1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 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 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143} 144 145#ifdef INET 146static void 147sctp_notify_mbuf(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 struct ip *ip, 151 struct sctphdr *sh) 152{ 153 struct icmp *icmph; 154 int totsz, tmr_stopped = 0; 155 uint16_t nxtsz; 156 157 /* protection */ 158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 159 (ip == NULL) || (sh == NULL)) { 160 if (stcb != NULL) { 161 SCTP_TCB_UNLOCK(stcb); 162 } 163 return; 164 } 165 /* First job is to verify the vtag matches what I would send */ 166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 167 SCTP_TCB_UNLOCK(stcb); 168 return; 169 } 170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 171 sizeof(struct ip))); 172 if (icmph->icmp_type != ICMP_UNREACH) { 173 /* We only care about unreachable */ 174 SCTP_TCB_UNLOCK(stcb); 175 return; 176 } 177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 178 /* not a unreachable message due to frag. */ 179 SCTP_TCB_UNLOCK(stcb); 180 return; 181 } 182 totsz = ntohs(ip->ip_len); 183 184 nxtsz = ntohs(icmph->icmp_nextmtu); 185 if (nxtsz == 0) { 186 /* 187 * old type router that does not tell us what the next size 188 * mtu is. Rats we will have to guess (in a educated fashion 189 * of course) 190 */ 191 nxtsz = sctp_get_prev_mtu(totsz); 192 } 193 /* Stop any PMTU timer */ 194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 195 tmr_stopped = 1; 196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 198 } 199 /* Adjust destination size limit */ 200 if (net->mtu > nxtsz) { 201 net->mtu = nxtsz; 202 if (net->port) { 203 net->mtu -= sizeof(struct udphdr); 204 } 205 } 206 /* now what about the ep? */ 207 if (stcb->asoc.smallest_mtu > nxtsz) { 208 sctp_pathmtu_adjustment(stcb, nxtsz); 209 } 210 if (tmr_stopped) 211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 212 213 SCTP_TCB_UNLOCK(stcb); 214} 215 216void 217sctp_notify(struct sctp_inpcb *inp, 218 struct ip *ip, 219 struct sctphdr *sh, 220 struct sockaddr *to, 221 struct sctp_tcb *stcb, 222 struct sctp_nets *net) 223{ 224#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 225 struct socket *so; 226 227#endif 228 struct icmp *icmph; 229 230 /* protection */ 231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 232 (sh == NULL) || (to == NULL)) { 233 if (stcb) 234 SCTP_TCB_UNLOCK(stcb); 235 return; 236 } 237 /* First job is to verify the vtag matches what I would send */ 238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 239 SCTP_TCB_UNLOCK(stcb); 240 return; 241 } 242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 243 sizeof(struct ip))); 244 if (icmph->icmp_type != ICMP_UNREACH) { 245 /* We only care about unreachable */ 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 250 (icmph->icmp_code == ICMP_UNREACH_HOST) || 251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 257 258 /* 259 * Hmm reachablity problems we must examine closely. If its 260 * not reachable, we may have lost a network. Or if there is 261 * NO protocol at the other end named SCTP. well we consider 262 * it a OOTB abort. 263 */ 264 if (net->dest_state & SCTP_ADDR_REACHABLE) { 265 /* Ok that destination is NOT reachable */ 266 net->dest_state &= ~SCTP_ADDR_REACHABLE; 267 net->dest_state &= ~SCTP_ADDR_PF; 268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 269 stcb, 0, 270 (void *)net, SCTP_SO_NOT_LOCKED); 271 } 272 SCTP_TCB_UNLOCK(stcb); 273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 274 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 275 /* 276 * Here the peer is either playing tricks on us, including 277 * an address that belongs to someone who does not support 278 * SCTP OR was a userland implementation that shutdown and 279 * now is dead. In either case treat it like a OOTB abort 280 * with no TCB 281 */ 282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 283#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 284 so = SCTP_INP_SO(inp); 285 atomic_add_int(&stcb->asoc.refcnt, 1); 286 SCTP_TCB_UNLOCK(stcb); 287 SCTP_SOCKET_LOCK(so, 1); 288 SCTP_TCB_LOCK(stcb); 289 atomic_subtract_int(&stcb->asoc.refcnt, 1); 290#endif 291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 292 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 293#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 294 SCTP_SOCKET_UNLOCK(so, 1); 295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 296#endif 297 /* no need to unlock here, since the TCB is gone */ 298 } else { 299 SCTP_TCB_UNLOCK(stcb); 300 } 301} 302 303#endif 304 305#ifdef INET 306void 307sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311{ 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373} 374 375#endif 376 377static int 378sctp_getcred(SYSCTL_HANDLER_ARGS) 379{ 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431out: 432 return (error); 433} 434 435SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439#ifdef INET 440static void 441sctp_abort(struct socket *so) 442{ 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450sctp_must_try_again: 451 flags = inp->sctp_flags; 452#ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454#endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457#ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459#endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480} 481 482static int 483sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484{ 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490 inp = (struct sctp_inpcb *)so->so_pcb; 491 if (inp != 0) { 492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 493 return (EINVAL); 494 } 495 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 496 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 497 if (error) { 498 return (error); 499 } 500 } 501 error = sctp_inpcb_alloc(so, vrf_id); 502 if (error) { 503 return (error); 504 } 505 inp = (struct sctp_inpcb *)so->so_pcb; 506 SCTP_INP_WLOCK(inp); 507 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 508 ip_inp = &inp->ip_inp.inp; 509 ip_inp->inp_vflag |= INP_IPV4; 510 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 511 SCTP_INP_WUNLOCK(inp); 512 return (0); 513} 514 515static int 516sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 517{ 518 struct sctp_inpcb *inp; 519 520 inp = (struct sctp_inpcb *)so->so_pcb; 521 if (inp == NULL) { 522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 523 return (EINVAL); 524 } 525 if (addr != NULL) { 526 if ((addr->sa_family != AF_INET) || 527 (addr->sa_len != sizeof(struct sockaddr_in))) { 528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 529 return (EINVAL); 530 } 531 } 532 return (sctp_inpcb_bind(so, addr, NULL, p)); 533} 534 535#endif 536void 537sctp_close(struct socket *so) 538{ 539 struct sctp_inpcb *inp; 540 uint32_t flags; 541 542 inp = (struct sctp_inpcb *)so->so_pcb; 543 if (inp == NULL) 544 return; 545 546 /* 547 * Inform all the lower layer assoc that we are done. 548 */ 549sctp_must_try_again: 550 flags = inp->sctp_flags; 551#ifdef SCTP_LOG_CLOSING 552 sctp_log_closing(inp, NULL, 17); 553#endif 554 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 555 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 556 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 557 (so->so_rcv.sb_cc > 0)) { 558#ifdef SCTP_LOG_CLOSING 559 sctp_log_closing(inp, NULL, 13); 560#endif 561 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 562 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 563 } else { 564#ifdef SCTP_LOG_CLOSING 565 sctp_log_closing(inp, NULL, 14); 566#endif 567 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 568 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 569 } 570 /* 571 * The socket is now detached, no matter what the state of 572 * the SCTP association. 573 */ 574 SOCK_LOCK(so); 575 SCTP_SB_CLEAR(so->so_snd); 576 /* 577 * same for the rcv ones, they are only here for the 578 * accounting/select. 579 */ 580 SCTP_SB_CLEAR(so->so_rcv); 581 582 /* Now null out the reference, we are completely detached. */ 583 so->so_pcb = NULL; 584 SOCK_UNLOCK(so); 585 } else { 586 flags = inp->sctp_flags; 587 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 588 goto sctp_must_try_again; 589 } 590 } 591 return; 592} 593 594 595int 596sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 597 struct mbuf *control, struct thread *p); 598 599 600int 601sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 602 struct mbuf *control, struct thread *p) 603{ 604 struct sctp_inpcb *inp; 605 int error; 606 607 inp = (struct sctp_inpcb *)so->so_pcb; 608 if (inp == NULL) { 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 614 sctp_m_freem(m); 615 return (EINVAL); 616 } 617 /* Got to have an to address if we are NOT a connected socket */ 618 if ((addr == NULL) && 619 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 620 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 621 goto connected_type; 622 } else if (addr == NULL) { 623 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 624 error = EDESTADDRREQ; 625 sctp_m_freem(m); 626 if (control) { 627 sctp_m_freem(control); 628 control = NULL; 629 } 630 return (error); 631 } 632#ifdef INET6 633 if (addr->sa_family != AF_INET) { 634 /* must be a v4 address! */ 635 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 636 sctp_m_freem(m); 637 if (control) { 638 sctp_m_freem(control); 639 control = NULL; 640 } 641 error = EDESTADDRREQ; 642 return (error); 643 } 644#endif /* INET6 */ 645connected_type: 646 /* now what about control */ 647 if (control) { 648 if (inp->control) { 649 SCTP_PRINTF("huh? control set?\n"); 650 sctp_m_freem(inp->control); 651 inp->control = NULL; 652 } 653 inp->control = control; 654 } 655 /* Place the data */ 656 if (inp->pkt) { 657 SCTP_BUF_NEXT(inp->pkt_last) = m; 658 inp->pkt_last = m; 659 } else { 660 inp->pkt_last = inp->pkt = m; 661 } 662 if ( 663 /* FreeBSD uses a flag passed */ 664 ((flags & PRUS_MORETOCOME) == 0) 665 ) { 666 /* 667 * note with the current version this code will only be used 668 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 669 * re-defining sosend to use the sctp_sosend. One can 670 * optionally switch back to this code (by changing back the 671 * definitions) but this is not advisable. This code is used 672 * by FreeBSD when sending a file with sendfile() though. 673 */ 674 int ret; 675 676 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 677 inp->pkt = NULL; 678 inp->control = NULL; 679 return (ret); 680 } else { 681 return (0); 682 } 683} 684 685int 686sctp_disconnect(struct socket *so) 687{ 688 struct sctp_inpcb *inp; 689 690 inp = (struct sctp_inpcb *)so->so_pcb; 691 if (inp == NULL) { 692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 693 return (ENOTCONN); 694 } 695 SCTP_INP_RLOCK(inp); 696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 698 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 699 /* No connection */ 700 SCTP_INP_RUNLOCK(inp); 701 return (0); 702 } else { 703 struct sctp_association *asoc; 704 struct sctp_tcb *stcb; 705 706 stcb = LIST_FIRST(&inp->sctp_asoc_list); 707 if (stcb == NULL) { 708 SCTP_INP_RUNLOCK(inp); 709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 710 return (EINVAL); 711 } 712 SCTP_TCB_LOCK(stcb); 713 asoc = &stcb->asoc; 714 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 715 /* We are about to be freed, out of here */ 716 SCTP_TCB_UNLOCK(stcb); 717 SCTP_INP_RUNLOCK(inp); 718 return (0); 719 } 720 if (((so->so_options & SO_LINGER) && 721 (so->so_linger == 0)) || 722 (so->so_rcv.sb_cc > 0)) { 723 if (SCTP_GET_STATE(asoc) != 724 SCTP_STATE_COOKIE_WAIT) { 725 /* Left with Data unread */ 726 struct mbuf *err; 727 728 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 729 if (err) { 730 /* 731 * Fill in the user 732 * initiated abort 733 */ 734 struct sctp_paramhdr *ph; 735 736 ph = mtod(err, struct sctp_paramhdr *); 737 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 738 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 739 ph->param_length = htons(SCTP_BUF_LEN(err)); 740 } 741 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 742 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 743 } 744 SCTP_INP_RUNLOCK(inp); 745 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 746 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 747 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 748 } 749 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 750 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 751 /* No unlock tcb assoc is gone */ 752 return (0); 753 } 754 if (TAILQ_EMPTY(&asoc->send_queue) && 755 TAILQ_EMPTY(&asoc->sent_queue) && 756 (asoc->stream_queue_cnt == 0)) { 757 /* there is nothing queued to send, so done */ 758 if (asoc->locked_on_sending) { 759 goto abort_anyway; 760 } 761 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 762 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 763 /* only send SHUTDOWN 1st time thru */ 764 struct sctp_nets *netp; 765 766 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 767 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 768 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 769 } 770 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 771 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 772 sctp_stop_timers_for_shutdown(stcb); 773 if (stcb->asoc.alternate) { 774 netp = stcb->asoc.alternate; 775 } else { 776 netp = stcb->asoc.primary_destination; 777 } 778 sctp_send_shutdown(stcb, netp); 779 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 780 stcb->sctp_ep, stcb, netp); 781 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 782 stcb->sctp_ep, stcb, netp); 783 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 784 } 785 } else { 786 /* 787 * we still got (or just got) data to send, 788 * so set SHUTDOWN_PENDING 789 */ 790 /* 791 * XXX sockets draft says that SCTP_EOF 792 * should be sent with no data. currently, 793 * we will allow user data to be sent first 794 * and move to SHUTDOWN-PENDING 795 */ 796 struct sctp_nets *netp; 797 798 if (stcb->asoc.alternate) { 799 netp = stcb->asoc.alternate; 800 } else { 801 netp = stcb->asoc.primary_destination; 802 } 803 804 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 805 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 806 netp); 807 if (asoc->locked_on_sending) { 808 /* Locked to send out the data */ 809 struct sctp_stream_queue_pending *sp; 810 811 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 812 if (sp == NULL) { 813 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 814 asoc->locked_on_sending->stream_no); 815 } else { 816 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 817 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 818 } 819 } 820 if (TAILQ_EMPTY(&asoc->send_queue) && 821 TAILQ_EMPTY(&asoc->sent_queue) && 822 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 823 struct mbuf *op_err; 824 825 abort_anyway: 826 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 827 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 828 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 829 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 830 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 831 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 832 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 833 } 834 SCTP_INP_RUNLOCK(inp); 835 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 836 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 837 return (0); 838 } else { 839 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 840 } 841 } 842 soisdisconnecting(so); 843 SCTP_TCB_UNLOCK(stcb); 844 SCTP_INP_RUNLOCK(inp); 845 return (0); 846 } 847 /* not reached */ 848 } else { 849 /* UDP model does not support this */ 850 SCTP_INP_RUNLOCK(inp); 851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 852 return (EOPNOTSUPP); 853 } 854} 855 856int 857sctp_flush(struct socket *so, int how) 858{ 859 /* 860 * We will just clear out the values and let subsequent close clear 861 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 862 * they will not be able to read the data, the socket will block 863 * that from happening. 864 */ 865 struct sctp_inpcb *inp; 866 867 inp = (struct sctp_inpcb *)so->so_pcb; 868 if (inp == NULL) { 869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 870 return (EINVAL); 871 } 872 SCTP_INP_RLOCK(inp); 873 /* For the 1 to many model this does nothing */ 874 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 875 SCTP_INP_RUNLOCK(inp); 876 return (0); 877 } 878 SCTP_INP_RUNLOCK(inp); 879 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 880 /* 881 * First make sure the sb will be happy, we don't use these 882 * except maybe the count 883 */ 884 SCTP_INP_WLOCK(inp); 885 SCTP_INP_READ_LOCK(inp); 886 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 887 SCTP_INP_READ_UNLOCK(inp); 888 SCTP_INP_WUNLOCK(inp); 889 so->so_rcv.sb_cc = 0; 890 so->so_rcv.sb_mbcnt = 0; 891 so->so_rcv.sb_mb = NULL; 892 } 893 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 894 /* 895 * First make sure the sb will be happy, we don't use these 896 * except maybe the count 897 */ 898 so->so_snd.sb_cc = 0; 899 so->so_snd.sb_mbcnt = 0; 900 so->so_snd.sb_mb = NULL; 901 902 } 903 return (0); 904} 905 906int 907sctp_shutdown(struct socket *so) 908{ 909 struct sctp_inpcb *inp; 910 911 inp = (struct sctp_inpcb *)so->so_pcb; 912 if (inp == NULL) { 913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 914 return (EINVAL); 915 } 916 SCTP_INP_RLOCK(inp); 917 /* For UDP model this is a invalid call */ 918 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 920 /* Restore the flags that the soshutdown took away. */ 921 SOCKBUF_LOCK(&so->so_rcv); 922 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 923 SOCKBUF_UNLOCK(&so->so_rcv); 924 /* This proc will wakeup for read and do nothing (I hope) */ 925 SCTP_INP_RUNLOCK(inp); 926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 927 return (EOPNOTSUPP); 928 } else { 929 /* 930 * Ok, if we reach here its the TCP model and it is either a 931 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 932 * against it. 933 */ 934 struct sctp_tcb *stcb; 935 struct sctp_association *asoc; 936 struct sctp_nets *netp; 937 938 if ((so->so_state & 939 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 940 SCTP_INP_RUNLOCK(inp); 941 return (ENOTCONN); 942 } 943 socantsendmore(so); 944 945 stcb = LIST_FIRST(&inp->sctp_asoc_list); 946 if (stcb == NULL) { 947 /* 948 * Ok, we hit the case that the shutdown call was 949 * made after an abort or something. Nothing to do 950 * now. 951 */ 952 SCTP_INP_RUNLOCK(inp); 953 return (0); 954 } 955 SCTP_TCB_LOCK(stcb); 956 asoc = &stcb->asoc; 957 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 958 SCTP_TCB_UNLOCK(stcb); 959 SCTP_INP_RUNLOCK(inp); 960 return (0); 961 } 962 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 963 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 964 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 965 /* 966 * If we are not in or before ESTABLISHED, there is 967 * no protocol action required. 968 */ 969 SCTP_TCB_UNLOCK(stcb); 970 SCTP_INP_RUNLOCK(inp); 971 return (0); 972 } 973 if (stcb->asoc.alternate) { 974 netp = stcb->asoc.alternate; 975 } else { 976 netp = stcb->asoc.primary_destination; 977 } 978 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 979 TAILQ_EMPTY(&asoc->send_queue) && 980 TAILQ_EMPTY(&asoc->sent_queue) && 981 (asoc->stream_queue_cnt == 0)) { 982 if (asoc->locked_on_sending) { 983 goto abort_anyway; 984 } 985 /* there is nothing queued to send, so I'm done... */ 986 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 987 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 988 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 989 sctp_stop_timers_for_shutdown(stcb); 990 sctp_send_shutdown(stcb, netp); 991 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 992 stcb->sctp_ep, stcb, netp); 993 } else { 994 /* 995 * We still got (or just got) data to send, so set 996 * SHUTDOWN_PENDING. 997 */ 998 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 999 if (asoc->locked_on_sending) { 1000 /* Locked to send out the data */ 1001 struct sctp_stream_queue_pending *sp; 1002 1003 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1004 if (sp == NULL) { 1005 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1006 asoc->locked_on_sending->stream_no); 1007 } else { 1008 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1009 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 1010 } 1011 } 1012 } 1013 if (TAILQ_EMPTY(&asoc->send_queue) && 1014 TAILQ_EMPTY(&asoc->sent_queue) && 1015 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1016 struct mbuf *op_err; 1017 1018 abort_anyway: 1019 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1020 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1021 sctp_abort_an_association(stcb->sctp_ep, stcb, 1022 op_err, SCTP_SO_LOCKED); 1023 SCTP_INP_RUNLOCK(inp); 1024 return (0); 1025 } 1026 } 1027 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1028 /* 1029 * XXX: Why do this in the case where we have still data 1030 * queued? 1031 */ 1032 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1033 SCTP_TCB_UNLOCK(stcb); 1034 SCTP_INP_RUNLOCK(inp); 1035 return (0); 1036 } 1037} 1038 1039/* 1040 * copies a "user" presentable address and removes embedded scope, etc. 1041 * returns 0 on success, 1 on error 1042 */ 1043static uint32_t 1044sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1045{ 1046#ifdef INET6 1047 struct sockaddr_in6 lsa6; 1048 1049 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1050 &lsa6); 1051#endif 1052 memcpy(ss, sa, sa->sa_len); 1053 return (0); 1054} 1055 1056 1057 1058/* 1059 * NOTE: assumes addr lock is held 1060 */ 1061static size_t 1062sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1063 struct sctp_tcb *stcb, 1064 size_t limit, 1065 struct sockaddr_storage *sas, 1066 uint32_t vrf_id) 1067{ 1068 struct sctp_ifn *sctp_ifn; 1069 struct sctp_ifa *sctp_ifa; 1070 size_t actual; 1071 int loopback_scope; 1072 1073#if defined(INET) 1074 int ipv4_local_scope, ipv4_addr_legal; 1075 1076#endif 1077#if defined(INET6) 1078 int local_scope, site_scope, ipv6_addr_legal; 1079 1080#endif 1081 struct sctp_vrf *vrf; 1082 1083 actual = 0; 1084 if (limit <= 0) 1085 return (actual); 1086 1087 if (stcb) { 1088 /* Turn on all the appropriate scope */ 1089 loopback_scope = stcb->asoc.scope.loopback_scope; 1090#if defined(INET) 1091 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1092 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1093#endif 1094#if defined(INET6) 1095 local_scope = stcb->asoc.scope.local_scope; 1096 site_scope = stcb->asoc.scope.site_scope; 1097 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1098#endif 1099 } else { 1100 /* Use generic values for endpoints. */ 1101 loopback_scope = 1; 1102#if defined(INET) 1103 ipv4_local_scope = 1; 1104#endif 1105#if defined(INET6) 1106 local_scope = 1; 1107 site_scope = 1; 1108#endif 1109 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1110#if defined(INET6) 1111 ipv6_addr_legal = 1; 1112#endif 1113#if defined(INET) 1114 if (SCTP_IPV6_V6ONLY(inp)) { 1115 ipv4_addr_legal = 0; 1116 } else { 1117 ipv4_addr_legal = 1; 1118 } 1119#endif 1120 } else { 1121#if defined(INET6) 1122 ipv6_addr_legal = 0; 1123#endif 1124#if defined(INET) 1125 ipv4_addr_legal = 1; 1126#endif 1127 } 1128 } 1129 vrf = sctp_find_vrf(vrf_id); 1130 if (vrf == NULL) { 1131 return (0); 1132 } 1133 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1134 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1135 if ((loopback_scope == 0) && 1136 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1137 /* Skip loopback if loopback_scope not set */ 1138 continue; 1139 } 1140 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1141 if (stcb) { 1142 /* 1143 * For the BOUND-ALL case, the list 1144 * associated with a TCB is Always 1145 * considered a reverse list.. i.e. 1146 * it lists addresses that are NOT 1147 * part of the association. If this 1148 * is one of those we must skip it. 1149 */ 1150 if (sctp_is_addr_restricted(stcb, 1151 sctp_ifa)) { 1152 continue; 1153 } 1154 } 1155 switch (sctp_ifa->address.sa.sa_family) { 1156#ifdef INET 1157 case AF_INET: 1158 if (ipv4_addr_legal) { 1159 struct sockaddr_in *sin; 1160 1161 sin = &sctp_ifa->address.sin; 1162 if (sin->sin_addr.s_addr == 0) { 1163 /* 1164 * we skip 1165 * unspecifed 1166 * addresses 1167 */ 1168 continue; 1169 } 1170 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1171 &sin->sin_addr) != 0) { 1172 continue; 1173 } 1174 if ((ipv4_local_scope == 0) && 1175 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1176 continue; 1177 } 1178#ifdef INET6 1179 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1180 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1181 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1182 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1183 actual += sizeof(struct sockaddr_in6); 1184 } else { 1185#endif 1186 memcpy(sas, sin, sizeof(*sin)); 1187 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1188 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1189 actual += sizeof(*sin); 1190#ifdef INET6 1191 } 1192#endif 1193 if (actual >= limit) { 1194 return (actual); 1195 } 1196 } else { 1197 continue; 1198 } 1199 break; 1200#endif 1201#ifdef INET6 1202 case AF_INET6: 1203 if (ipv6_addr_legal) { 1204 struct sockaddr_in6 *sin6; 1205 1206 sin6 = &sctp_ifa->address.sin6; 1207 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1208 /* 1209 * we skip 1210 * unspecifed 1211 * addresses 1212 */ 1213 continue; 1214 } 1215 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1216 &sin6->sin6_addr) != 0) { 1217 continue; 1218 } 1219 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1220 if (local_scope == 0) 1221 continue; 1222 if (sin6->sin6_scope_id == 0) { 1223 if (sa6_recoverscope(sin6) != 0) 1224 /* 1225 * 1226 * bad 1227 * 1228 * li 1229 * nk 1230 * 1231 * loc 1232 * al 1233 * 1234 * add 1235 * re 1236 * ss 1237 * */ 1238 continue; 1239 } 1240 } 1241 if ((site_scope == 0) && 1242 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1243 continue; 1244 } 1245 memcpy(sas, sin6, sizeof(*sin6)); 1246 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1247 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1248 actual += sizeof(*sin6); 1249 if (actual >= limit) { 1250 return (actual); 1251 } 1252 } else { 1253 continue; 1254 } 1255 break; 1256#endif 1257 default: 1258 /* TSNH */ 1259 break; 1260 } 1261 } 1262 } 1263 } else { 1264 struct sctp_laddr *laddr; 1265 1266 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1267 if (stcb) { 1268 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1269 continue; 1270 } 1271 } 1272 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1273 continue; 1274 switch (laddr->ifa->address.sa.sa_family) { 1275#ifdef INET 1276 case AF_INET: 1277 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1278 break; 1279#endif 1280#ifdef INET6 1281 case AF_INET6: 1282 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1283 break; 1284#endif 1285 default: 1286 /* TSNH */ 1287 break; 1288 } 1289 sas = (struct sockaddr_storage *)((caddr_t)sas + 1290 laddr->ifa->address.sa.sa_len); 1291 actual += laddr->ifa->address.sa.sa_len; 1292 if (actual >= limit) { 1293 return (actual); 1294 } 1295 } 1296 } 1297 return (actual); 1298} 1299 1300static size_t 1301sctp_fill_up_addresses(struct sctp_inpcb *inp, 1302 struct sctp_tcb *stcb, 1303 size_t limit, 1304 struct sockaddr_storage *sas) 1305{ 1306 size_t size = 0; 1307 1308 SCTP_IPI_ADDR_RLOCK(); 1309 /* fill up addresses for the endpoint's default vrf */ 1310 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1311 inp->def_vrf_id); 1312 SCTP_IPI_ADDR_RUNLOCK(); 1313 return (size); 1314} 1315 1316/* 1317 * NOTE: assumes addr lock is held 1318 */ 1319static int 1320sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1321{ 1322 int cnt = 0; 1323 struct sctp_vrf *vrf = NULL; 1324 1325 /* 1326 * In both sub-set bound an bound_all cases we return the MAXIMUM 1327 * number of addresses that you COULD get. In reality the sub-set 1328 * bound may have an exclusion list for a given TCB OR in the 1329 * bound-all case a TCB may NOT include the loopback or other 1330 * addresses as well. 1331 */ 1332 vrf = sctp_find_vrf(vrf_id); 1333 if (vrf == NULL) { 1334 return (0); 1335 } 1336 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1337 struct sctp_ifn *sctp_ifn; 1338 struct sctp_ifa *sctp_ifa; 1339 1340 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1341 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1342 /* Count them if they are the right type */ 1343 switch (sctp_ifa->address.sa.sa_family) { 1344#ifdef INET 1345 case AF_INET: 1346#ifdef INET6 1347 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1348 cnt += sizeof(struct sockaddr_in6); 1349 else 1350 cnt += sizeof(struct sockaddr_in); 1351#else 1352 cnt += sizeof(struct sockaddr_in); 1353#endif 1354 break; 1355#endif 1356#ifdef INET6 1357 case AF_INET6: 1358 cnt += sizeof(struct sockaddr_in6); 1359 break; 1360#endif 1361 default: 1362 break; 1363 } 1364 } 1365 } 1366 } else { 1367 struct sctp_laddr *laddr; 1368 1369 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1370 switch (laddr->ifa->address.sa.sa_family) { 1371#ifdef INET 1372 case AF_INET: 1373#ifdef INET6 1374 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1375 cnt += sizeof(struct sockaddr_in6); 1376 else 1377 cnt += sizeof(struct sockaddr_in); 1378#else 1379 cnt += sizeof(struct sockaddr_in); 1380#endif 1381 break; 1382#endif 1383#ifdef INET6 1384 case AF_INET6: 1385 cnt += sizeof(struct sockaddr_in6); 1386 break; 1387#endif 1388 default: 1389 break; 1390 } 1391 } 1392 } 1393 return (cnt); 1394} 1395 1396static int 1397sctp_count_max_addresses(struct sctp_inpcb *inp) 1398{ 1399 int cnt = 0; 1400 1401 SCTP_IPI_ADDR_RLOCK(); 1402 /* count addresses for the endpoint's default VRF */ 1403 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1404 SCTP_IPI_ADDR_RUNLOCK(); 1405 return (cnt); 1406} 1407 1408static int 1409sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1410 size_t optsize, void *p, int delay) 1411{ 1412 int error = 0; 1413 int creat_lock_on = 0; 1414 struct sctp_tcb *stcb = NULL; 1415 struct sockaddr *sa; 1416 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1417 uint32_t vrf_id; 1418 int bad_addresses = 0; 1419 sctp_assoc_t *a_id; 1420 1421 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1422 1423 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1424 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1425 /* We are already connected AND the TCP model */ 1426 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1427 return (EADDRINUSE); 1428 } 1429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1430 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1431 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1432 return (EINVAL); 1433 } 1434 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1435 SCTP_INP_RLOCK(inp); 1436 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1437 SCTP_INP_RUNLOCK(inp); 1438 } 1439 if (stcb) { 1440 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1441 return (EALREADY); 1442 } 1443 SCTP_INP_INCR_REF(inp); 1444 SCTP_ASOC_CREATE_LOCK(inp); 1445 creat_lock_on = 1; 1446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1447 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1448 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1449 error = EFAULT; 1450 goto out_now; 1451 } 1452 totaddrp = (int *)optval; 1453 totaddr = *totaddrp; 1454 sa = (struct sockaddr *)(totaddrp + 1); 1455 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1456 if ((stcb != NULL) || bad_addresses) { 1457 /* Already have or am bring up an association */ 1458 SCTP_ASOC_CREATE_UNLOCK(inp); 1459 creat_lock_on = 0; 1460 if (stcb) 1461 SCTP_TCB_UNLOCK(stcb); 1462 if (bad_addresses == 0) { 1463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1464 error = EALREADY; 1465 } 1466 goto out_now; 1467 } 1468#ifdef INET6 1469 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1470 (num_v6 > 0)) { 1471 error = EINVAL; 1472 goto out_now; 1473 } 1474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1475 (num_v4 > 0)) { 1476 struct in6pcb *inp6; 1477 1478 inp6 = (struct in6pcb *)inp; 1479 if (SCTP_IPV6_V6ONLY(inp6)) { 1480 /* 1481 * if IPV6_V6ONLY flag, ignore connections destined 1482 * to a v4 addr or v4-mapped addr 1483 */ 1484 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1485 error = EINVAL; 1486 goto out_now; 1487 } 1488 } 1489#endif /* INET6 */ 1490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1491 SCTP_PCB_FLAGS_UNBOUND) { 1492 /* Bind a ephemeral port */ 1493 error = sctp_inpcb_bind(so, NULL, NULL, p); 1494 if (error) { 1495 goto out_now; 1496 } 1497 } 1498 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1499 vrf_id = inp->def_vrf_id; 1500 1501 1502 /* We are GOOD to go */ 1503 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1504 inp->sctp_ep.pre_open_stream_count, 1505 (struct thread *)p 1506 ); 1507 if (stcb == NULL) { 1508 /* Gak! no memory */ 1509 goto out_now; 1510 } 1511 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1512 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1513 /* Set the connected flag so we can queue data */ 1514 soisconnecting(so); 1515 } 1516 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1517 /* move to second address */ 1518 switch (sa->sa_family) { 1519#ifdef INET 1520 case AF_INET: 1521 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1522 break; 1523#endif 1524#ifdef INET6 1525 case AF_INET6: 1526 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1527 break; 1528#endif 1529 default: 1530 break; 1531 } 1532 1533 error = 0; 1534 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1535 /* Fill in the return id */ 1536 if (error) { 1537 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1538 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1539 goto out_now; 1540 } 1541 a_id = (sctp_assoc_t *) optval; 1542 *a_id = sctp_get_associd(stcb); 1543 1544 /* initialize authentication parameters for the assoc */ 1545 sctp_initialize_auth_params(inp, stcb); 1546 1547 if (delay) { 1548 /* doing delayed connection */ 1549 stcb->asoc.delayed_connection = 1; 1550 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1551 } else { 1552 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1553 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1554 } 1555 SCTP_TCB_UNLOCK(stcb); 1556 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1557 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1558 /* Set the connected flag so we can queue data */ 1559 soisconnecting(so); 1560 } 1561out_now: 1562 if (creat_lock_on) { 1563 SCTP_ASOC_CREATE_UNLOCK(inp); 1564 } 1565 SCTP_INP_DECR_REF(inp); 1566 return (error); 1567} 1568 1569#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1572 SCTP_INP_RLOCK(inp); \ 1573 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1574 if (stcb) { \ 1575 SCTP_TCB_LOCK(stcb); \ 1576 } \ 1577 SCTP_INP_RUNLOCK(inp); \ 1578 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1579 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1580 if (stcb == NULL) { \ 1581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1582 error = ENOENT; \ 1583 break; \ 1584 } \ 1585 } else { \ 1586 stcb = NULL; \ 1587 } \ 1588 } 1589 1590 1591#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1592 if (size < sizeof(type)) { \ 1593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1594 error = EINVAL; \ 1595 break; \ 1596 } else { \ 1597 destp = (type *)srcp; \ 1598 } \ 1599 } 1600 1601static int 1602sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1603 void *p) 1604{ 1605 struct sctp_inpcb *inp = NULL; 1606 int error, val = 0; 1607 struct sctp_tcb *stcb = NULL; 1608 1609 if (optval == NULL) { 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1611 return (EINVAL); 1612 } 1613 inp = (struct sctp_inpcb *)so->so_pcb; 1614 if (inp == NULL) { 1615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1616 return EINVAL; 1617 } 1618 error = 0; 1619 1620 switch (optname) { 1621 case SCTP_NODELAY: 1622 case SCTP_AUTOCLOSE: 1623 case SCTP_EXPLICIT_EOR: 1624 case SCTP_AUTO_ASCONF: 1625 case SCTP_DISABLE_FRAGMENTS: 1626 case SCTP_I_WANT_MAPPED_V4_ADDR: 1627 case SCTP_USE_EXT_RCVINFO: 1628 SCTP_INP_RLOCK(inp); 1629 switch (optname) { 1630 case SCTP_DISABLE_FRAGMENTS: 1631 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1632 break; 1633 case SCTP_I_WANT_MAPPED_V4_ADDR: 1634 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1635 break; 1636 case SCTP_AUTO_ASCONF: 1637 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1638 /* only valid for bound all sockets */ 1639 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1640 } else { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 error = EINVAL; 1643 goto flags_out; 1644 } 1645 break; 1646 case SCTP_EXPLICIT_EOR: 1647 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1648 break; 1649 case SCTP_NODELAY: 1650 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1651 break; 1652 case SCTP_USE_EXT_RCVINFO: 1653 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1654 break; 1655 case SCTP_AUTOCLOSE: 1656 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1657 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1658 else 1659 val = 0; 1660 break; 1661 1662 default: 1663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1664 error = ENOPROTOOPT; 1665 } /* end switch (sopt->sopt_name) */ 1666 if (*optsize < sizeof(val)) { 1667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1668 error = EINVAL; 1669 } 1670flags_out: 1671 SCTP_INP_RUNLOCK(inp); 1672 if (error == 0) { 1673 /* return the option value */ 1674 *(int *)optval = val; 1675 *optsize = sizeof(val); 1676 } 1677 break; 1678 case SCTP_GET_PACKET_LOG: 1679 { 1680#ifdef SCTP_PACKET_LOGGING 1681 uint8_t *target; 1682 int ret; 1683 1684 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1685 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1686 *optsize = ret; 1687#else 1688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1689 error = EOPNOTSUPP; 1690#endif 1691 break; 1692 } 1693 case SCTP_REUSE_PORT: 1694 { 1695 uint32_t *value; 1696 1697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1698 /* Can't do this for a 1-m socket */ 1699 error = EINVAL; 1700 break; 1701 } 1702 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1703 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1704 *optsize = sizeof(uint32_t); 1705 break; 1706 } 1707 case SCTP_PARTIAL_DELIVERY_POINT: 1708 { 1709 uint32_t *value; 1710 1711 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1712 *value = inp->partial_delivery_point; 1713 *optsize = sizeof(uint32_t); 1714 break; 1715 } 1716 case SCTP_FRAGMENT_INTERLEAVE: 1717 { 1718 uint32_t *value; 1719 1720 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1721 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1722 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1723 *value = SCTP_FRAG_LEVEL_2; 1724 } else { 1725 *value = SCTP_FRAG_LEVEL_1; 1726 } 1727 } else { 1728 *value = SCTP_FRAG_LEVEL_0; 1729 } 1730 *optsize = sizeof(uint32_t); 1731 break; 1732 } 1733 case SCTP_CMT_ON_OFF: 1734 { 1735 struct sctp_assoc_value *av; 1736 1737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1739 if (stcb) { 1740 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1741 SCTP_TCB_UNLOCK(stcb); 1742 } else { 1743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1745 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1746 SCTP_INP_RLOCK(inp); 1747 av->assoc_value = inp->sctp_cmt_on_off; 1748 SCTP_INP_RUNLOCK(inp); 1749 } else { 1750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1751 error = EINVAL; 1752 } 1753 } 1754 if (error == 0) { 1755 *optsize = sizeof(struct sctp_assoc_value); 1756 } 1757 break; 1758 } 1759 case SCTP_PLUGGABLE_CC: 1760 { 1761 struct sctp_assoc_value *av; 1762 1763 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1764 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1765 if (stcb) { 1766 av->assoc_value = stcb->asoc.congestion_control_module; 1767 SCTP_TCB_UNLOCK(stcb); 1768 } else { 1769 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1770 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1771 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1772 SCTP_INP_RLOCK(inp); 1773 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1774 SCTP_INP_RUNLOCK(inp); 1775 } else { 1776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1777 error = EINVAL; 1778 } 1779 } 1780 if (error == 0) { 1781 *optsize = sizeof(struct sctp_assoc_value); 1782 } 1783 break; 1784 } 1785 case SCTP_CC_OPTION: 1786 { 1787 struct sctp_cc_option *cc_opt; 1788 1789 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1790 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1791 if (stcb == NULL) { 1792 error = EINVAL; 1793 } else { 1794 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1795 error = ENOTSUP; 1796 } else { 1797 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1798 *optsize = sizeof(struct sctp_cc_option); 1799 } 1800 SCTP_TCB_UNLOCK(stcb); 1801 } 1802 break; 1803 } 1804 case SCTP_PLUGGABLE_SS: 1805 { 1806 struct sctp_assoc_value *av; 1807 1808 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1809 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1810 if (stcb) { 1811 av->assoc_value = stcb->asoc.stream_scheduling_module; 1812 SCTP_TCB_UNLOCK(stcb); 1813 } else { 1814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1815 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1816 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1817 SCTP_INP_RLOCK(inp); 1818 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1819 SCTP_INP_RUNLOCK(inp); 1820 } else { 1821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1822 error = EINVAL; 1823 } 1824 } 1825 if (error == 0) { 1826 *optsize = sizeof(struct sctp_assoc_value); 1827 } 1828 break; 1829 } 1830 case SCTP_SS_VALUE: 1831 { 1832 struct sctp_stream_value *av; 1833 1834 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1835 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1836 if (stcb) { 1837 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1838 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1839 &av->stream_value) < 0)) { 1840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1841 error = EINVAL; 1842 } else { 1843 *optsize = sizeof(struct sctp_stream_value); 1844 } 1845 SCTP_TCB_UNLOCK(stcb); 1846 } else { 1847 /* 1848 * Can't get stream value without 1849 * association 1850 */ 1851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1852 error = EINVAL; 1853 } 1854 break; 1855 } 1856 case SCTP_GET_ADDR_LEN: 1857 { 1858 struct sctp_assoc_value *av; 1859 1860 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1861 error = EINVAL; 1862#ifdef INET 1863 if (av->assoc_value == AF_INET) { 1864 av->assoc_value = sizeof(struct sockaddr_in); 1865 error = 0; 1866 } 1867#endif 1868#ifdef INET6 1869 if (av->assoc_value == AF_INET6) { 1870 av->assoc_value = sizeof(struct sockaddr_in6); 1871 error = 0; 1872 } 1873#endif 1874 if (error) { 1875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1876 } else { 1877 *optsize = sizeof(struct sctp_assoc_value); 1878 } 1879 break; 1880 } 1881 case SCTP_GET_ASSOC_NUMBER: 1882 { 1883 uint32_t *value, cnt; 1884 1885 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1886 SCTP_INP_RLOCK(inp); 1887 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1888 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1889 /* Can't do this for a 1-1 socket */ 1890 error = EINVAL; 1891 SCTP_INP_RUNLOCK(inp); 1892 break; 1893 } 1894 cnt = 0; 1895 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1896 cnt++; 1897 } 1898 SCTP_INP_RUNLOCK(inp); 1899 *value = cnt; 1900 *optsize = sizeof(uint32_t); 1901 break; 1902 } 1903 case SCTP_GET_ASSOC_ID_LIST: 1904 { 1905 struct sctp_assoc_ids *ids; 1906 unsigned int at, limit; 1907 1908 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1909 SCTP_INP_RLOCK(inp); 1910 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1911 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1912 /* Can't do this for a 1-1 socket */ 1913 error = EINVAL; 1914 SCTP_INP_RUNLOCK(inp); 1915 break; 1916 } 1917 at = 0; 1918 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1920 if (at < limit) { 1921 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1922 } else { 1923 error = EINVAL; 1924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1925 break; 1926 } 1927 } 1928 SCTP_INP_RUNLOCK(inp); 1929 if (error == 0) { 1930 ids->gaids_number_of_ids = at; 1931 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1932 } 1933 break; 1934 } 1935 case SCTP_CONTEXT: 1936 { 1937 struct sctp_assoc_value *av; 1938 1939 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1940 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1941 1942 if (stcb) { 1943 av->assoc_value = stcb->asoc.context; 1944 SCTP_TCB_UNLOCK(stcb); 1945 } else { 1946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1948 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1949 SCTP_INP_RLOCK(inp); 1950 av->assoc_value = inp->sctp_context; 1951 SCTP_INP_RUNLOCK(inp); 1952 } else { 1953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1954 error = EINVAL; 1955 } 1956 } 1957 if (error == 0) { 1958 *optsize = sizeof(struct sctp_assoc_value); 1959 } 1960 break; 1961 } 1962 case SCTP_VRF_ID: 1963 { 1964 uint32_t *default_vrfid; 1965 1966 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1967 *default_vrfid = inp->def_vrf_id; 1968 *optsize = sizeof(uint32_t); 1969 break; 1970 } 1971 case SCTP_GET_ASOC_VRF: 1972 { 1973 struct sctp_assoc_value *id; 1974 1975 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1976 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1977 if (stcb == NULL) { 1978 error = EINVAL; 1979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1980 } else { 1981 id->assoc_value = stcb->asoc.vrf_id; 1982 *optsize = sizeof(struct sctp_assoc_value); 1983 } 1984 break; 1985 } 1986 case SCTP_GET_VRF_IDS: 1987 { 1988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1989 error = EOPNOTSUPP; 1990 break; 1991 } 1992 case SCTP_GET_NONCE_VALUES: 1993 { 1994 struct sctp_get_nonce_values *gnv; 1995 1996 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1997 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1998 1999 if (stcb) { 2000 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2001 gnv->gn_local_tag = stcb->asoc.my_vtag; 2002 SCTP_TCB_UNLOCK(stcb); 2003 *optsize = sizeof(struct sctp_get_nonce_values); 2004 } else { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2006 error = ENOTCONN; 2007 } 2008 break; 2009 } 2010 case SCTP_DELAYED_SACK: 2011 { 2012 struct sctp_sack_info *sack; 2013 2014 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2015 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2016 if (stcb) { 2017 sack->sack_delay = stcb->asoc.delayed_ack; 2018 sack->sack_freq = stcb->asoc.sack_freq; 2019 SCTP_TCB_UNLOCK(stcb); 2020 } else { 2021 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2022 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2023 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2024 SCTP_INP_RLOCK(inp); 2025 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2026 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2027 SCTP_INP_RUNLOCK(inp); 2028 } else { 2029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2030 error = EINVAL; 2031 } 2032 } 2033 if (error == 0) { 2034 *optsize = sizeof(struct sctp_sack_info); 2035 } 2036 break; 2037 } 2038 case SCTP_GET_SNDBUF_USE: 2039 { 2040 struct sctp_sockstat *ss; 2041 2042 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2043 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2044 2045 if (stcb) { 2046 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2047 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2048 stcb->asoc.size_on_all_streams); 2049 SCTP_TCB_UNLOCK(stcb); 2050 *optsize = sizeof(struct sctp_sockstat); 2051 } else { 2052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2053 error = ENOTCONN; 2054 } 2055 break; 2056 } 2057 case SCTP_MAX_BURST: 2058 { 2059 struct sctp_assoc_value *av; 2060 2061 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2062 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2063 2064 if (stcb) { 2065 av->assoc_value = stcb->asoc.max_burst; 2066 SCTP_TCB_UNLOCK(stcb); 2067 } else { 2068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2070 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2071 SCTP_INP_RLOCK(inp); 2072 av->assoc_value = inp->sctp_ep.max_burst; 2073 SCTP_INP_RUNLOCK(inp); 2074 } else { 2075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2076 error = EINVAL; 2077 } 2078 } 2079 if (error == 0) { 2080 *optsize = sizeof(struct sctp_assoc_value); 2081 } 2082 break; 2083 } 2084 case SCTP_MAXSEG: 2085 { 2086 struct sctp_assoc_value *av; 2087 int ovh; 2088 2089 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2090 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2091 2092 if (stcb) { 2093 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2094 SCTP_TCB_UNLOCK(stcb); 2095 } else { 2096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2097 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2098 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2099 SCTP_INP_RLOCK(inp); 2100 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2101 ovh = SCTP_MED_OVERHEAD; 2102 } else { 2103 ovh = SCTP_MED_V4_OVERHEAD; 2104 } 2105 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2106 av->assoc_value = 0; 2107 else 2108 av->assoc_value = inp->sctp_frag_point - ovh; 2109 SCTP_INP_RUNLOCK(inp); 2110 } else { 2111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2112 error = EINVAL; 2113 } 2114 } 2115 if (error == 0) { 2116 *optsize = sizeof(struct sctp_assoc_value); 2117 } 2118 break; 2119 } 2120 case SCTP_GET_STAT_LOG: 2121 error = sctp_fill_stat_log(optval, optsize); 2122 break; 2123 case SCTP_EVENTS: 2124 { 2125 struct sctp_event_subscribe *events; 2126 2127 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2128 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2129 SCTP_INP_RLOCK(inp); 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2131 events->sctp_data_io_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2134 events->sctp_association_event = 1; 2135 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2137 events->sctp_address_event = 1; 2138 2139 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2140 events->sctp_send_failure_event = 1; 2141 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2143 events->sctp_peer_error_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2146 events->sctp_shutdown_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2149 events->sctp_partial_delivery_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2152 events->sctp_adaptation_layer_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2155 events->sctp_authentication_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2158 events->sctp_sender_dry_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2161 events->sctp_stream_reset_event = 1; 2162 SCTP_INP_RUNLOCK(inp); 2163 *optsize = sizeof(struct sctp_event_subscribe); 2164 break; 2165 } 2166 case SCTP_ADAPTATION_LAYER: 2167 { 2168 uint32_t *value; 2169 2170 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2171 2172 SCTP_INP_RLOCK(inp); 2173 *value = inp->sctp_ep.adaptation_layer_indicator; 2174 SCTP_INP_RUNLOCK(inp); 2175 *optsize = sizeof(uint32_t); 2176 break; 2177 } 2178 case SCTP_SET_INITIAL_DBG_SEQ: 2179 { 2180 uint32_t *value; 2181 2182 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2183 SCTP_INP_RLOCK(inp); 2184 *value = inp->sctp_ep.initial_sequence_debug; 2185 SCTP_INP_RUNLOCK(inp); 2186 *optsize = sizeof(uint32_t); 2187 break; 2188 } 2189 case SCTP_GET_LOCAL_ADDR_SIZE: 2190 { 2191 uint32_t *value; 2192 2193 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2194 SCTP_INP_RLOCK(inp); 2195 *value = sctp_count_max_addresses(inp); 2196 SCTP_INP_RUNLOCK(inp); 2197 *optsize = sizeof(uint32_t); 2198 break; 2199 } 2200 case SCTP_GET_REMOTE_ADDR_SIZE: 2201 { 2202 uint32_t *value; 2203 size_t size; 2204 struct sctp_nets *net; 2205 2206 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2207 /* FIXME MT: change to sctp_assoc_value? */ 2208 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2209 2210 if (stcb) { 2211 size = 0; 2212 /* Count the sizes */ 2213 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2214 switch (net->ro._l_addr.sa.sa_family) { 2215#ifdef INET 2216 case AF_INET: 2217#ifdef INET6 2218 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2219 size += sizeof(struct sockaddr_in6); 2220 } else { 2221 size += sizeof(struct sockaddr_in); 2222 } 2223#else 2224 size += sizeof(struct sockaddr_in); 2225#endif 2226 break; 2227#endif 2228#ifdef INET6 2229 case AF_INET6: 2230 size += sizeof(struct sockaddr_in6); 2231 break; 2232#endif 2233 default: 2234 break; 2235 } 2236 } 2237 SCTP_TCB_UNLOCK(stcb); 2238 *value = (uint32_t) size; 2239 *optsize = sizeof(uint32_t); 2240 } else { 2241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2242 error = ENOTCONN; 2243 } 2244 break; 2245 } 2246 case SCTP_GET_PEER_ADDRESSES: 2247 /* 2248 * Get the address information, an array is passed in to 2249 * fill up we pack it. 2250 */ 2251 { 2252 size_t cpsz, left; 2253 struct sockaddr_storage *sas; 2254 struct sctp_nets *net; 2255 struct sctp_getaddresses *saddr; 2256 2257 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2258 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2259 2260 if (stcb) { 2261 left = (*optsize) - sizeof(struct sctp_getaddresses); 2262 *optsize = sizeof(struct sctp_getaddresses); 2263 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2264 2265 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2266 switch (net->ro._l_addr.sa.sa_family) { 2267#ifdef INET 2268 case AF_INET: 2269#ifdef INET6 2270 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2271 cpsz = sizeof(struct sockaddr_in6); 2272 } else { 2273 cpsz = sizeof(struct sockaddr_in); 2274 } 2275#else 2276 cpsz = sizeof(struct sockaddr_in); 2277#endif 2278 break; 2279#endif 2280#ifdef INET6 2281 case AF_INET6: 2282 cpsz = sizeof(struct sockaddr_in6); 2283 break; 2284#endif 2285 default: 2286 cpsz = 0; 2287 break; 2288 } 2289 if (cpsz == 0) { 2290 break; 2291 } 2292 if (left < cpsz) { 2293 /* not enough room. */ 2294 break; 2295 } 2296#if defined(INET) && defined(INET6) 2297 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2298 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2299 /* Must map the address */ 2300 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2301 (struct sockaddr_in6 *)sas); 2302 } else { 2303 memcpy(sas, &net->ro._l_addr, cpsz); 2304 } 2305#else 2306 memcpy(sas, &net->ro._l_addr, cpsz); 2307#endif 2308 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2309 2310 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2311 left -= cpsz; 2312 *optsize += cpsz; 2313 } 2314 SCTP_TCB_UNLOCK(stcb); 2315 } else { 2316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2317 error = ENOENT; 2318 } 2319 break; 2320 } 2321 case SCTP_GET_LOCAL_ADDRESSES: 2322 { 2323 size_t limit, actual; 2324 struct sockaddr_storage *sas; 2325 struct sctp_getaddresses *saddr; 2326 2327 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2328 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2329 2330 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2331 limit = *optsize - sizeof(sctp_assoc_t); 2332 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2333 if (stcb) { 2334 SCTP_TCB_UNLOCK(stcb); 2335 } 2336 *optsize = sizeof(struct sockaddr_storage) + actual; 2337 break; 2338 } 2339 case SCTP_PEER_ADDR_PARAMS: 2340 { 2341 struct sctp_paddrparams *paddrp; 2342 struct sctp_nets *net; 2343 struct sockaddr *addr; 2344 2345#if defined(INET) && defined(INET6) 2346 struct sockaddr_in sin_store; 2347 2348#endif 2349 2350 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2351 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2352 2353#if defined(INET) && defined(INET6) 2354 if (paddrp->spp_address.ss_family == AF_INET6) { 2355 struct sockaddr_in6 *sin6; 2356 2357 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2358 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2359 in6_sin6_2_sin(&sin_store, sin6); 2360 addr = (struct sockaddr *)&sin_store; 2361 } else { 2362 addr = (struct sockaddr *)&paddrp->spp_address; 2363 } 2364 } else { 2365 addr = (struct sockaddr *)&paddrp->spp_address; 2366 } 2367#else 2368 addr = (struct sockaddr *)&paddrp->spp_address; 2369#endif 2370 if (stcb != NULL) { 2371 net = sctp_findnet(stcb, addr); 2372 } else { 2373 /* 2374 * We increment here since 2375 * sctp_findassociation_ep_addr() wil do a 2376 * decrement if it finds the stcb as long as 2377 * the locked tcb (last argument) is NOT a 2378 * TCB.. aka NULL. 2379 */ 2380 net = NULL; 2381 SCTP_INP_INCR_REF(inp); 2382 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2383 if (stcb == NULL) { 2384 SCTP_INP_DECR_REF(inp); 2385 } 2386 } 2387 if ((stcb != NULL) && (net == NULL)) { 2388#ifdef INET 2389 if (addr->sa_family == AF_INET) { 2390 struct sockaddr_in *sin; 2391 2392 sin = (struct sockaddr_in *)addr; 2393 if (sin->sin_addr.s_addr != INADDR_ANY) { 2394 error = EINVAL; 2395 SCTP_TCB_UNLOCK(stcb); 2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2397 break; 2398 } 2399 } else 2400#endif 2401#ifdef INET6 2402 if (addr->sa_family == AF_INET6) { 2403 struct sockaddr_in6 *sin6; 2404 2405 sin6 = (struct sockaddr_in6 *)addr; 2406 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2407 error = EINVAL; 2408 SCTP_TCB_UNLOCK(stcb); 2409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2410 break; 2411 } 2412 } else 2413#endif 2414 { 2415 error = EAFNOSUPPORT; 2416 SCTP_TCB_UNLOCK(stcb); 2417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2418 break; 2419 } 2420 } 2421 if (stcb != NULL) { 2422 /* Applies to the specific association */ 2423 paddrp->spp_flags = 0; 2424 if (net != NULL) { 2425 paddrp->spp_hbinterval = net->heart_beat_delay; 2426 paddrp->spp_pathmaxrxt = net->failure_threshold; 2427 paddrp->spp_pathmtu = net->mtu; 2428 switch (net->ro._l_addr.sa.sa_family) { 2429#ifdef INET 2430 case AF_INET: 2431 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2432 break; 2433#endif 2434#ifdef INET6 2435 case AF_INET6: 2436 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2437 break; 2438#endif 2439 default: 2440 break; 2441 } 2442 /* get flags for HB */ 2443 if (net->dest_state & SCTP_ADDR_NOHB) { 2444 paddrp->spp_flags |= SPP_HB_DISABLE; 2445 } else { 2446 paddrp->spp_flags |= SPP_HB_ENABLE; 2447 } 2448 /* get flags for PMTU */ 2449 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2450 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2451 } else { 2452 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2453 } 2454 if (net->dscp & 0x01) { 2455 paddrp->spp_dscp = net->dscp & 0xfc; 2456 paddrp->spp_flags |= SPP_DSCP; 2457 } 2458#ifdef INET6 2459 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2460 (net->flowlabel & 0x80000000)) { 2461 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2462 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2463 } 2464#endif 2465 } else { 2466 /* 2467 * No destination so return default 2468 * value 2469 */ 2470 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2471 paddrp->spp_pathmtu = 0; 2472 if (stcb->asoc.default_dscp & 0x01) { 2473 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2474 paddrp->spp_flags |= SPP_DSCP; 2475 } 2476#ifdef INET6 2477 if (stcb->asoc.default_flowlabel & 0x80000000) { 2478 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2479 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2480 } 2481#endif 2482 /* default settings should be these */ 2483 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2484 paddrp->spp_flags |= SPP_HB_DISABLE; 2485 } else { 2486 paddrp->spp_flags |= SPP_HB_ENABLE; 2487 } 2488 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2489 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2490 } else { 2491 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2492 } 2493 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2494 } 2495 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2496 SCTP_TCB_UNLOCK(stcb); 2497 } else { 2498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2499 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2500 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2501 /* Use endpoint defaults */ 2502 SCTP_INP_RLOCK(inp); 2503 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2504 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2505 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2506 /* get inp's default */ 2507 if (inp->sctp_ep.default_dscp & 0x01) { 2508 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2509 paddrp->spp_flags |= SPP_DSCP; 2510 } 2511#ifdef INET6 2512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2513 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2514 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2515 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2516 } 2517#endif 2518 /* can't return this */ 2519 paddrp->spp_pathmtu = 0; 2520 2521 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2522 paddrp->spp_flags |= SPP_HB_ENABLE; 2523 } else { 2524 paddrp->spp_flags |= SPP_HB_DISABLE; 2525 } 2526 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2527 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2528 } else { 2529 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2530 } 2531 SCTP_INP_RUNLOCK(inp); 2532 } else { 2533 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2534 error = EINVAL; 2535 } 2536 } 2537 if (error == 0) { 2538 *optsize = sizeof(struct sctp_paddrparams); 2539 } 2540 break; 2541 } 2542 case SCTP_GET_PEER_ADDR_INFO: 2543 { 2544 struct sctp_paddrinfo *paddri; 2545 struct sctp_nets *net; 2546 struct sockaddr *addr; 2547 2548#if defined(INET) && defined(INET6) 2549 struct sockaddr_in sin_store; 2550 2551#endif 2552 2553 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2554 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2555 2556#if defined(INET) && defined(INET6) 2557 if (paddri->spinfo_address.ss_family == AF_INET6) { 2558 struct sockaddr_in6 *sin6; 2559 2560 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2561 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2562 in6_sin6_2_sin(&sin_store, sin6); 2563 addr = (struct sockaddr *)&sin_store; 2564 } else { 2565 addr = (struct sockaddr *)&paddri->spinfo_address; 2566 } 2567 } else { 2568 addr = (struct sockaddr *)&paddri->spinfo_address; 2569 } 2570#else 2571 addr = (struct sockaddr *)&paddri->spinfo_address; 2572#endif 2573 if (stcb != NULL) { 2574 net = sctp_findnet(stcb, addr); 2575 } else { 2576 /* 2577 * We increment here since 2578 * sctp_findassociation_ep_addr() wil do a 2579 * decrement if it finds the stcb as long as 2580 * the locked tcb (last argument) is NOT a 2581 * TCB.. aka NULL. 2582 */ 2583 net = NULL; 2584 SCTP_INP_INCR_REF(inp); 2585 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2586 if (stcb == NULL) { 2587 SCTP_INP_DECR_REF(inp); 2588 } 2589 } 2590 2591 if ((stcb != NULL) && (net != NULL)) { 2592 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2593 /* It's unconfirmed */ 2594 paddri->spinfo_state = SCTP_UNCONFIRMED; 2595 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2596 /* It's active */ 2597 paddri->spinfo_state = SCTP_ACTIVE; 2598 } else { 2599 /* It's inactive */ 2600 paddri->spinfo_state = SCTP_INACTIVE; 2601 } 2602 paddri->spinfo_cwnd = net->cwnd; 2603 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2604 paddri->spinfo_rto = net->RTO; 2605 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2606 paddri->spinfo_mtu = net->mtu; 2607 switch (addr->sa_family) { 2608#if defined(INET) 2609 case AF_INET: 2610 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2611 break; 2612#endif 2613#if defined(INET6) 2614 case AF_INET6: 2615 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2616 break; 2617#endif 2618 default: 2619 break; 2620 } 2621 SCTP_TCB_UNLOCK(stcb); 2622 *optsize = sizeof(struct sctp_paddrinfo); 2623 } else { 2624 if (stcb != NULL) { 2625 SCTP_TCB_UNLOCK(stcb); 2626 } 2627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2628 error = ENOENT; 2629 } 2630 break; 2631 } 2632 case SCTP_PCB_STATUS: 2633 { 2634 struct sctp_pcbinfo *spcb; 2635 2636 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2637 sctp_fill_pcbinfo(spcb); 2638 *optsize = sizeof(struct sctp_pcbinfo); 2639 break; 2640 } 2641 case SCTP_STATUS: 2642 { 2643 struct sctp_nets *net; 2644 struct sctp_status *sstat; 2645 2646 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2647 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2648 2649 if (stcb == NULL) { 2650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2651 error = EINVAL; 2652 break; 2653 } 2654 sstat->sstat_state = sctp_map_assoc_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 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2693#if defined(INET) 2694 case AF_INET: 2695 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2696 break; 2697#endif 2698#if defined(INET6) 2699 case AF_INET6: 2700 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2701 break; 2702#endif 2703 default: 2704 break; 2705 } 2706 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2707 SCTP_TCB_UNLOCK(stcb); 2708 *optsize = sizeof(struct sctp_status); 2709 break; 2710 } 2711 case SCTP_RTOINFO: 2712 { 2713 struct sctp_rtoinfo *srto; 2714 2715 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2716 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2717 2718 if (stcb) { 2719 srto->srto_initial = stcb->asoc.initial_rto; 2720 srto->srto_max = stcb->asoc.maxrto; 2721 srto->srto_min = stcb->asoc.minrto; 2722 SCTP_TCB_UNLOCK(stcb); 2723 } else { 2724 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2725 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2726 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2727 SCTP_INP_RLOCK(inp); 2728 srto->srto_initial = inp->sctp_ep.initial_rto; 2729 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2730 srto->srto_min = inp->sctp_ep.sctp_minrto; 2731 SCTP_INP_RUNLOCK(inp); 2732 } else { 2733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2734 error = EINVAL; 2735 } 2736 } 2737 if (error == 0) { 2738 *optsize = sizeof(struct sctp_rtoinfo); 2739 } 2740 break; 2741 } 2742 case SCTP_TIMEOUTS: 2743 { 2744 struct sctp_timeouts *stimo; 2745 2746 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2747 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2748 2749 if (stcb) { 2750 stimo->stimo_init = stcb->asoc.timoinit; 2751 stimo->stimo_data = stcb->asoc.timodata; 2752 stimo->stimo_sack = stcb->asoc.timosack; 2753 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2754 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2755 stimo->stimo_cookie = stcb->asoc.timocookie; 2756 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2757 SCTP_TCB_UNLOCK(stcb); 2758 *optsize = sizeof(struct sctp_timeouts); 2759 } else { 2760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2761 error = EINVAL; 2762 } 2763 break; 2764 } 2765 case SCTP_ASSOCINFO: 2766 { 2767 struct sctp_assocparams *sasoc; 2768 2769 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2770 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2771 2772 if (stcb) { 2773 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2774 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2775 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2776 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2777 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2778 SCTP_TCB_UNLOCK(stcb); 2779 } else { 2780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2781 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2782 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2783 SCTP_INP_RLOCK(inp); 2784 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2785 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2786 sasoc->sasoc_number_peer_destinations = 0; 2787 sasoc->sasoc_peer_rwnd = 0; 2788 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2789 SCTP_INP_RUNLOCK(inp); 2790 } else { 2791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2792 error = EINVAL; 2793 } 2794 } 2795 if (error == 0) { 2796 *optsize = sizeof(struct sctp_assocparams); 2797 } 2798 break; 2799 } 2800 case SCTP_DEFAULT_SEND_PARAM: 2801 { 2802 struct sctp_sndrcvinfo *s_info; 2803 2804 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2805 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2806 2807 if (stcb) { 2808 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2809 SCTP_TCB_UNLOCK(stcb); 2810 } else { 2811 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2812 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2813 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2814 SCTP_INP_RLOCK(inp); 2815 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2816 SCTP_INP_RUNLOCK(inp); 2817 } else { 2818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2819 error = EINVAL; 2820 } 2821 } 2822 if (error == 0) { 2823 *optsize = sizeof(struct sctp_sndrcvinfo); 2824 } 2825 break; 2826 } 2827 case SCTP_INITMSG: 2828 { 2829 struct sctp_initmsg *sinit; 2830 2831 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2832 SCTP_INP_RLOCK(inp); 2833 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2834 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2835 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2836 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2837 SCTP_INP_RUNLOCK(inp); 2838 *optsize = sizeof(struct sctp_initmsg); 2839 break; 2840 } 2841 case SCTP_PRIMARY_ADDR: 2842 /* we allow a "get" operation on this */ 2843 { 2844 struct sctp_setprim *ssp; 2845 2846 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2847 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2848 2849 if (stcb) { 2850 union sctp_sockstore *addr; 2851 2852 addr = &stcb->asoc.primary_destination->ro._l_addr; 2853 switch (addr->sa.sa_family) { 2854#ifdef INET 2855 case AF_INET: 2856#ifdef INET6 2857 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2858 in6_sin_2_v4mapsin6(&addr->sin, 2859 (struct sockaddr_in6 *)&ssp->ssp_addr); 2860 } else { 2861 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2862 } 2863#else 2864 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2865#endif 2866 break; 2867#endif 2868#ifdef INET6 2869 case AF_INET6: 2870 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2871 break; 2872#endif 2873 default: 2874 break; 2875 } 2876 SCTP_TCB_UNLOCK(stcb); 2877 *optsize = sizeof(struct sctp_setprim); 2878 } else { 2879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2880 error = EINVAL; 2881 } 2882 break; 2883 } 2884 case SCTP_HMAC_IDENT: 2885 { 2886 struct sctp_hmacalgo *shmac; 2887 sctp_hmaclist_t *hmaclist; 2888 uint32_t size; 2889 int i; 2890 2891 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2892 2893 SCTP_INP_RLOCK(inp); 2894 hmaclist = inp->sctp_ep.local_hmacs; 2895 if (hmaclist == NULL) { 2896 /* no HMACs to return */ 2897 *optsize = sizeof(*shmac); 2898 SCTP_INP_RUNLOCK(inp); 2899 break; 2900 } 2901 /* is there room for all of the hmac ids? */ 2902 size = sizeof(*shmac) + (hmaclist->num_algo * 2903 sizeof(shmac->shmac_idents[0])); 2904 if ((size_t)(*optsize) < size) { 2905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2906 error = EINVAL; 2907 SCTP_INP_RUNLOCK(inp); 2908 break; 2909 } 2910 /* copy in the list */ 2911 shmac->shmac_number_of_idents = hmaclist->num_algo; 2912 for (i = 0; i < hmaclist->num_algo; i++) { 2913 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2914 } 2915 SCTP_INP_RUNLOCK(inp); 2916 *optsize = size; 2917 break; 2918 } 2919 case SCTP_AUTH_ACTIVE_KEY: 2920 { 2921 struct sctp_authkeyid *scact; 2922 2923 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2924 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2925 2926 if (stcb) { 2927 /* get the active key on the assoc */ 2928 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2929 SCTP_TCB_UNLOCK(stcb); 2930 } else { 2931 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2932 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2933 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2934 /* get the endpoint active key */ 2935 SCTP_INP_RLOCK(inp); 2936 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2937 SCTP_INP_RUNLOCK(inp); 2938 } else { 2939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2940 error = EINVAL; 2941 } 2942 } 2943 if (error == 0) { 2944 *optsize = sizeof(struct sctp_authkeyid); 2945 } 2946 break; 2947 } 2948 case SCTP_LOCAL_AUTH_CHUNKS: 2949 { 2950 struct sctp_authchunks *sac; 2951 sctp_auth_chklist_t *chklist = NULL; 2952 size_t size = 0; 2953 2954 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2955 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2956 2957 if (stcb) { 2958 /* get off the assoc */ 2959 chklist = stcb->asoc.local_auth_chunks; 2960 /* is there enough space? */ 2961 size = sctp_auth_get_chklist_size(chklist); 2962 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2963 error = EINVAL; 2964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2965 } else { 2966 /* copy in the chunks */ 2967 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2968 sac->gauth_number_of_chunks = (uint32_t) size; 2969 *optsize = sizeof(struct sctp_authchunks) + size; 2970 } 2971 SCTP_TCB_UNLOCK(stcb); 2972 } else { 2973 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2974 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2975 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2976 /* get off the endpoint */ 2977 SCTP_INP_RLOCK(inp); 2978 chklist = inp->sctp_ep.local_auth_chunks; 2979 /* is there enough space? */ 2980 size = sctp_auth_get_chklist_size(chklist); 2981 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2982 error = EINVAL; 2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2984 } else { 2985 /* copy in the chunks */ 2986 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2987 sac->gauth_number_of_chunks = (uint32_t) size; 2988 *optsize = sizeof(struct sctp_authchunks) + size; 2989 } 2990 SCTP_INP_RUNLOCK(inp); 2991 } else { 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2993 error = EINVAL; 2994 } 2995 } 2996 break; 2997 } 2998 case SCTP_PEER_AUTH_CHUNKS: 2999 { 3000 struct sctp_authchunks *sac; 3001 sctp_auth_chklist_t *chklist = NULL; 3002 size_t size = 0; 3003 3004 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3005 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3006 3007 if (stcb) { 3008 /* get off the assoc */ 3009 chklist = stcb->asoc.peer_auth_chunks; 3010 /* is there enough space? */ 3011 size = sctp_auth_get_chklist_size(chklist); 3012 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3013 error = EINVAL; 3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3015 } else { 3016 /* copy in the chunks */ 3017 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3018 sac->gauth_number_of_chunks = (uint32_t) size; 3019 *optsize = sizeof(struct sctp_authchunks) + size; 3020 } 3021 SCTP_TCB_UNLOCK(stcb); 3022 } else { 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3024 error = ENOENT; 3025 } 3026 break; 3027 } 3028 case SCTP_EVENT: 3029 { 3030 struct sctp_event *event; 3031 uint32_t event_type; 3032 3033 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3034 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3035 3036 switch (event->se_type) { 3037 case SCTP_ASSOC_CHANGE: 3038 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3039 break; 3040 case SCTP_PEER_ADDR_CHANGE: 3041 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3042 break; 3043 case SCTP_REMOTE_ERROR: 3044 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3045 break; 3046 case SCTP_SEND_FAILED: 3047 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3048 break; 3049 case SCTP_SHUTDOWN_EVENT: 3050 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3051 break; 3052 case SCTP_ADAPTATION_INDICATION: 3053 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3054 break; 3055 case SCTP_PARTIAL_DELIVERY_EVENT: 3056 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3057 break; 3058 case SCTP_AUTHENTICATION_EVENT: 3059 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3060 break; 3061 case SCTP_STREAM_RESET_EVENT: 3062 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3063 break; 3064 case SCTP_SENDER_DRY_EVENT: 3065 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3066 break; 3067 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3068 event_type = 0; 3069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3070 error = ENOTSUP; 3071 break; 3072 case SCTP_ASSOC_RESET_EVENT: 3073 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3074 break; 3075 case SCTP_STREAM_CHANGE_EVENT: 3076 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3077 break; 3078 case SCTP_SEND_FAILED_EVENT: 3079 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3080 break; 3081 default: 3082 event_type = 0; 3083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3084 error = EINVAL; 3085 break; 3086 } 3087 if (event_type > 0) { 3088 if (stcb) { 3089 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3090 SCTP_TCB_UNLOCK(stcb); 3091 } else { 3092 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3093 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3094 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3095 SCTP_INP_RLOCK(inp); 3096 event->se_on = sctp_is_feature_on(inp, event_type); 3097 SCTP_INP_RUNLOCK(inp); 3098 } else { 3099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3100 error = EINVAL; 3101 } 3102 } 3103 } 3104 if (error == 0) { 3105 *optsize = sizeof(struct sctp_event); 3106 } 3107 break; 3108 } 3109 case SCTP_RECVRCVINFO: 3110 { 3111 int onoff; 3112 3113 if (*optsize < sizeof(int)) { 3114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3115 error = EINVAL; 3116 } else { 3117 SCTP_INP_RLOCK(inp); 3118 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3119 SCTP_INP_RUNLOCK(inp); 3120 } 3121 if (error == 0) { 3122 /* return the option value */ 3123 *(int *)optval = onoff; 3124 *optsize = sizeof(int); 3125 } 3126 break; 3127 } 3128 case SCTP_RECVNXTINFO: 3129 { 3130 int onoff; 3131 3132 if (*optsize < sizeof(int)) { 3133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3134 error = EINVAL; 3135 } else { 3136 SCTP_INP_RLOCK(inp); 3137 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3138 SCTP_INP_RUNLOCK(inp); 3139 } 3140 if (error == 0) { 3141 /* return the option value */ 3142 *(int *)optval = onoff; 3143 *optsize = sizeof(int); 3144 } 3145 break; 3146 } 3147 case SCTP_DEFAULT_SNDINFO: 3148 { 3149 struct sctp_sndinfo *info; 3150 3151 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3152 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3153 3154 if (stcb) { 3155 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3156 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3157 info->snd_flags &= 0xfff0; 3158 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3159 info->snd_context = stcb->asoc.def_send.sinfo_context; 3160 SCTP_TCB_UNLOCK(stcb); 3161 } else { 3162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3163 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3164 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3165 SCTP_INP_RLOCK(inp); 3166 info->snd_sid = inp->def_send.sinfo_stream; 3167 info->snd_flags = inp->def_send.sinfo_flags; 3168 info->snd_flags &= 0xfff0; 3169 info->snd_ppid = inp->def_send.sinfo_ppid; 3170 info->snd_context = inp->def_send.sinfo_context; 3171 SCTP_INP_RUNLOCK(inp); 3172 } else { 3173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3174 error = EINVAL; 3175 } 3176 } 3177 if (error == 0) { 3178 *optsize = sizeof(struct sctp_sndinfo); 3179 } 3180 break; 3181 } 3182 case SCTP_DEFAULT_PRINFO: 3183 { 3184 struct sctp_default_prinfo *info; 3185 3186 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3187 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3188 3189 if (stcb) { 3190 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3191 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3192 SCTP_TCB_UNLOCK(stcb); 3193 } else { 3194 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3195 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3196 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3197 SCTP_INP_RLOCK(inp); 3198 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3199 info->pr_value = inp->def_send.sinfo_timetolive; 3200 SCTP_INP_RUNLOCK(inp); 3201 } else { 3202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3203 error = EINVAL; 3204 } 3205 } 3206 if (error == 0) { 3207 *optsize = sizeof(struct sctp_default_prinfo); 3208 } 3209 break; 3210 } 3211 case SCTP_PEER_ADDR_THLDS: 3212 { 3213 struct sctp_paddrthlds *thlds; 3214 struct sctp_nets *net; 3215 struct sockaddr *addr; 3216 3217#if defined(INET) && defined(INET6) 3218 struct sockaddr_in sin_store; 3219 3220#endif 3221 3222 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3223 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3224 3225#if defined(INET) && defined(INET6) 3226 if (thlds->spt_address.ss_family == AF_INET6) { 3227 struct sockaddr_in6 *sin6; 3228 3229 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3230 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3231 in6_sin6_2_sin(&sin_store, sin6); 3232 addr = (struct sockaddr *)&sin_store; 3233 } else { 3234 addr = (struct sockaddr *)&thlds->spt_address; 3235 } 3236 } else { 3237 addr = (struct sockaddr *)&thlds->spt_address; 3238 } 3239#else 3240 addr = (struct sockaddr *)&thlds->spt_address; 3241#endif 3242 if (stcb != NULL) { 3243 net = sctp_findnet(stcb, addr); 3244 } else { 3245 /* 3246 * We increment here since 3247 * sctp_findassociation_ep_addr() wil do a 3248 * decrement if it finds the stcb as long as 3249 * the locked tcb (last argument) is NOT a 3250 * TCB.. aka NULL. 3251 */ 3252 net = NULL; 3253 SCTP_INP_INCR_REF(inp); 3254 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3255 if (stcb == NULL) { 3256 SCTP_INP_DECR_REF(inp); 3257 } 3258 } 3259 if ((stcb != NULL) && (net == NULL)) { 3260#ifdef INET 3261 if (addr->sa_family == AF_INET) { 3262 struct sockaddr_in *sin; 3263 3264 sin = (struct sockaddr_in *)addr; 3265 if (sin->sin_addr.s_addr != INADDR_ANY) { 3266 error = EINVAL; 3267 SCTP_TCB_UNLOCK(stcb); 3268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3269 break; 3270 } 3271 } else 3272#endif 3273#ifdef INET6 3274 if (addr->sa_family == AF_INET6) { 3275 struct sockaddr_in6 *sin6; 3276 3277 sin6 = (struct sockaddr_in6 *)addr; 3278 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3279 error = EINVAL; 3280 SCTP_TCB_UNLOCK(stcb); 3281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3282 break; 3283 } 3284 } else 3285#endif 3286 { 3287 error = EAFNOSUPPORT; 3288 SCTP_TCB_UNLOCK(stcb); 3289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3290 break; 3291 } 3292 } 3293 if (stcb != NULL) { 3294 if (net != NULL) { 3295 thlds->spt_pathmaxrxt = net->failure_threshold; 3296 thlds->spt_pathpfthld = net->pf_threshold; 3297 } else { 3298 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3299 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3300 } 3301 thlds->spt_assoc_id = sctp_get_associd(stcb); 3302 SCTP_TCB_UNLOCK(stcb); 3303 } else { 3304 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3305 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3306 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3307 /* Use endpoint defaults */ 3308 SCTP_INP_RLOCK(inp); 3309 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3310 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3311 SCTP_INP_RUNLOCK(inp); 3312 } else { 3313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3314 error = EINVAL; 3315 } 3316 } 3317 if (error == 0) { 3318 *optsize = sizeof(struct sctp_paddrthlds); 3319 } 3320 break; 3321 } 3322 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3323 { 3324 struct sctp_udpencaps *encaps; 3325 struct sctp_nets *net; 3326 struct sockaddr *addr; 3327 3328#if defined(INET) && defined(INET6) 3329 struct sockaddr_in sin_store; 3330 3331#endif 3332 3333 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3334 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3335 3336#if defined(INET) && defined(INET6) 3337 if (encaps->sue_address.ss_family == AF_INET6) { 3338 struct sockaddr_in6 *sin6; 3339 3340 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3341 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3342 in6_sin6_2_sin(&sin_store, sin6); 3343 addr = (struct sockaddr *)&sin_store; 3344 } else { 3345 addr = (struct sockaddr *)&encaps->sue_address; 3346 } 3347 } else { 3348 addr = (struct sockaddr *)&encaps->sue_address; 3349 } 3350#else 3351 addr = (struct sockaddr *)&encaps->sue_address; 3352#endif 3353 if (stcb) { 3354 net = sctp_findnet(stcb, addr); 3355 } else { 3356 /* 3357 * We increment here since 3358 * sctp_findassociation_ep_addr() wil do a 3359 * decrement if it finds the stcb as long as 3360 * the locked tcb (last argument) is NOT a 3361 * TCB.. aka NULL. 3362 */ 3363 net = NULL; 3364 SCTP_INP_INCR_REF(inp); 3365 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3366 if (stcb == NULL) { 3367 SCTP_INP_DECR_REF(inp); 3368 } 3369 } 3370 if ((stcb != NULL) && (net == NULL)) { 3371#ifdef INET 3372 if (addr->sa_family == AF_INET) { 3373 struct sockaddr_in *sin; 3374 3375 sin = (struct sockaddr_in *)addr; 3376 if (sin->sin_addr.s_addr != INADDR_ANY) { 3377 error = EINVAL; 3378 SCTP_TCB_UNLOCK(stcb); 3379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3380 break; 3381 } 3382 } else 3383#endif 3384#ifdef INET6 3385 if (addr->sa_family == AF_INET6) { 3386 struct sockaddr_in6 *sin6; 3387 3388 sin6 = (struct sockaddr_in6 *)addr; 3389 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3390 error = EINVAL; 3391 SCTP_TCB_UNLOCK(stcb); 3392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3393 break; 3394 } 3395 } else 3396#endif 3397 { 3398 error = EAFNOSUPPORT; 3399 SCTP_TCB_UNLOCK(stcb); 3400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3401 break; 3402 } 3403 } 3404 if (stcb != NULL) { 3405 if (net) { 3406 encaps->sue_port = net->port; 3407 } else { 3408 encaps->sue_port = stcb->asoc.port; 3409 } 3410 SCTP_TCB_UNLOCK(stcb); 3411 } else { 3412 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3413 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3414 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3415 SCTP_INP_RLOCK(inp); 3416 encaps->sue_port = inp->sctp_ep.port; 3417 SCTP_INP_RUNLOCK(inp); 3418 } else { 3419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3420 error = EINVAL; 3421 } 3422 } 3423 if (error == 0) { 3424 *optsize = sizeof(struct sctp_udpencaps); 3425 } 3426 break; 3427 } 3428 case SCTP_ECN_SUPPORTED: 3429 { 3430 struct sctp_assoc_value *av; 3431 3432 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3433 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3434 3435 if (stcb) { 3436 av->assoc_value = stcb->asoc.ecn_supported; 3437 SCTP_TCB_UNLOCK(stcb); 3438 } else { 3439 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3440 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3441 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3442 SCTP_INP_RLOCK(inp); 3443 av->assoc_value = inp->ecn_supported; 3444 SCTP_INP_RUNLOCK(inp); 3445 } else { 3446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3447 error = EINVAL; 3448 } 3449 } 3450 if (error == 0) { 3451 *optsize = sizeof(struct sctp_assoc_value); 3452 } 3453 break; 3454 } 3455 case SCTP_PR_SUPPORTED: 3456 { 3457 struct sctp_assoc_value *av; 3458 3459 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3460 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3461 3462 if (stcb) { 3463 av->assoc_value = stcb->asoc.prsctp_supported; 3464 SCTP_TCB_UNLOCK(stcb); 3465 } else { 3466 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3467 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3468 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3469 SCTP_INP_RLOCK(inp); 3470 av->assoc_value = inp->prsctp_supported; 3471 SCTP_INP_RUNLOCK(inp); 3472 } else { 3473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3474 error = EINVAL; 3475 } 3476 } 3477 if (error == 0) { 3478 *optsize = sizeof(struct sctp_assoc_value); 3479 } 3480 break; 3481 } 3482 case SCTP_AUTH_SUPPORTED: 3483 { 3484 struct sctp_assoc_value *av; 3485 3486 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3487 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3488 3489 if (stcb) { 3490 av->assoc_value = stcb->asoc.auth_supported; 3491 SCTP_TCB_UNLOCK(stcb); 3492 } else { 3493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3494 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3495 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3496 SCTP_INP_RLOCK(inp); 3497 av->assoc_value = inp->auth_supported; 3498 SCTP_INP_RUNLOCK(inp); 3499 } else { 3500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3501 error = EINVAL; 3502 } 3503 } 3504 if (error == 0) { 3505 *optsize = sizeof(struct sctp_assoc_value); 3506 } 3507 break; 3508 } 3509 case SCTP_ASCONF_SUPPORTED: 3510 { 3511 struct sctp_assoc_value *av; 3512 3513 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3514 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3515 3516 if (stcb) { 3517 av->assoc_value = stcb->asoc.asconf_supported; 3518 SCTP_TCB_UNLOCK(stcb); 3519 } else { 3520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3522 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3523 SCTP_INP_RLOCK(inp); 3524 av->assoc_value = inp->asconf_supported; 3525 SCTP_INP_RUNLOCK(inp); 3526 } else { 3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3528 error = EINVAL; 3529 } 3530 } 3531 if (error == 0) { 3532 *optsize = sizeof(struct sctp_assoc_value); 3533 } 3534 break; 3535 } 3536 case SCTP_RECONFIG_SUPPORTED: 3537 { 3538 struct sctp_assoc_value *av; 3539 3540 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3541 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3542 3543 if (stcb) { 3544 av->assoc_value = stcb->asoc.reconfig_supported; 3545 SCTP_TCB_UNLOCK(stcb); 3546 } else { 3547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3549 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3550 SCTP_INP_RLOCK(inp); 3551 av->assoc_value = inp->reconfig_supported; 3552 SCTP_INP_RUNLOCK(inp); 3553 } else { 3554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3555 error = EINVAL; 3556 } 3557 } 3558 if (error == 0) { 3559 *optsize = sizeof(struct sctp_assoc_value); 3560 } 3561 break; 3562 } 3563 case SCTP_NRSACK_SUPPORTED: 3564 { 3565 struct sctp_assoc_value *av; 3566 3567 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3568 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3569 3570 if (stcb) { 3571 av->assoc_value = stcb->asoc.nrsack_supported; 3572 SCTP_TCB_UNLOCK(stcb); 3573 } else { 3574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3576 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3577 SCTP_INP_RLOCK(inp); 3578 av->assoc_value = inp->nrsack_supported; 3579 SCTP_INP_RUNLOCK(inp); 3580 } else { 3581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3582 error = EINVAL; 3583 } 3584 } 3585 if (error == 0) { 3586 *optsize = sizeof(struct sctp_assoc_value); 3587 } 3588 break; 3589 } 3590 case SCTP_PKTDROP_SUPPORTED: 3591 { 3592 struct sctp_assoc_value *av; 3593 3594 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3595 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3596 3597 if (stcb) { 3598 av->assoc_value = stcb->asoc.pktdrop_supported; 3599 SCTP_TCB_UNLOCK(stcb); 3600 } else { 3601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3603 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3604 SCTP_INP_RLOCK(inp); 3605 av->assoc_value = inp->pktdrop_supported; 3606 SCTP_INP_RUNLOCK(inp); 3607 } else { 3608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3609 error = EINVAL; 3610 } 3611 } 3612 if (error == 0) { 3613 *optsize = sizeof(struct sctp_assoc_value); 3614 } 3615 break; 3616 } 3617 case SCTP_ENABLE_STREAM_RESET: 3618 { 3619 struct sctp_assoc_value *av; 3620 3621 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3622 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3623 3624 if (stcb) { 3625 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3626 SCTP_TCB_UNLOCK(stcb); 3627 } else { 3628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3630 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3631 SCTP_INP_RLOCK(inp); 3632 av->assoc_value = (uint32_t) inp->local_strreset_support; 3633 SCTP_INP_RUNLOCK(inp); 3634 } else { 3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636 error = EINVAL; 3637 } 3638 } 3639 if (error == 0) { 3640 *optsize = sizeof(struct sctp_assoc_value); 3641 } 3642 break; 3643 } 3644 case SCTP_PR_STREAM_STATUS: 3645 { 3646 struct sctp_prstatus *sprstat; 3647 uint16_t sid; 3648 uint16_t policy; 3649 3650 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3651 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3652 3653 sid = sprstat->sprstat_sid; 3654 policy = sprstat->sprstat_policy; 3655#if defined(SCTP_DETAILED_STR_STATS) 3656 if ((stcb != NULL) && 3657 (sid < stcb->asoc.streamoutcnt) && 3658 (policy != SCTP_PR_SCTP_NONE) && 3659 ((policy <= SCTP_PR_SCTP_MAX) || 3660 (policy == SCTP_PR_SCTP_ALL))) { 3661 if (policy == SCTP_PR_SCTP_ALL) { 3662 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3663 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3664 } else { 3665 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3666 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3667 } 3668#else 3669 if ((stcb != NULL) && 3670 (sid < stcb->asoc.streamoutcnt) && 3671 (policy == SCTP_PR_SCTP_ALL)) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3674#endif 3675 SCTP_TCB_UNLOCK(stcb); 3676 *optsize = sizeof(struct sctp_prstatus); 3677 } else { 3678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3679 error = EINVAL; 3680 } 3681 break; 3682 } 3683 case SCTP_PR_ASSOC_STATUS: 3684 { 3685 struct sctp_prstatus *sprstat; 3686 uint16_t policy; 3687 3688 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3689 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3690 3691 policy = sprstat->sprstat_policy; 3692 if ((stcb != NULL) && 3693 (policy != SCTP_PR_SCTP_NONE) && 3694 ((policy <= SCTP_PR_SCTP_MAX) || 3695 (policy == SCTP_PR_SCTP_ALL))) { 3696 if (policy == SCTP_PR_SCTP_ALL) { 3697 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3698 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3699 } else { 3700 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3701 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3702 } 3703 SCTP_TCB_UNLOCK(stcb); 3704 *optsize = sizeof(struct sctp_prstatus); 3705 } else { 3706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3707 error = EINVAL; 3708 } 3709 break; 3710 } 3711 case SCTP_MAX_CWND: 3712 { 3713 struct sctp_assoc_value *av; 3714 3715 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3716 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3717 3718 if (stcb) { 3719 av->assoc_value = stcb->asoc.max_cwnd; 3720 SCTP_TCB_UNLOCK(stcb); 3721 } else { 3722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3723 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3724 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3725 SCTP_INP_RLOCK(inp); 3726 av->assoc_value = inp->max_cwnd; 3727 SCTP_INP_RUNLOCK(inp); 3728 } else { 3729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3730 error = EINVAL; 3731 } 3732 } 3733 if (error == 0) { 3734 *optsize = sizeof(struct sctp_assoc_value); 3735 } 3736 break; 3737 } 3738 default: 3739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3740 error = ENOPROTOOPT; 3741 break; 3742 } /* end switch (sopt->sopt_name) */ 3743 if (error) { 3744 *optsize = 0; 3745 } 3746 return (error); 3747} 3748 3749static int 3750sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3751 void *p) 3752{ 3753 int error, set_opt; 3754 uint32_t *mopt; 3755 struct sctp_tcb *stcb = NULL; 3756 struct sctp_inpcb *inp = NULL; 3757 uint32_t vrf_id; 3758 3759 if (optval == NULL) { 3760 SCTP_PRINTF("optval is NULL\n"); 3761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3762 return (EINVAL); 3763 } 3764 inp = (struct sctp_inpcb *)so->so_pcb; 3765 if (inp == NULL) { 3766 SCTP_PRINTF("inp is NULL?\n"); 3767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3768 return (EINVAL); 3769 } 3770 vrf_id = inp->def_vrf_id; 3771 3772 error = 0; 3773 switch (optname) { 3774 case SCTP_NODELAY: 3775 case SCTP_AUTOCLOSE: 3776 case SCTP_AUTO_ASCONF: 3777 case SCTP_EXPLICIT_EOR: 3778 case SCTP_DISABLE_FRAGMENTS: 3779 case SCTP_USE_EXT_RCVINFO: 3780 case SCTP_I_WANT_MAPPED_V4_ADDR: 3781 /* copy in the option value */ 3782 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3783 set_opt = 0; 3784 if (error) 3785 break; 3786 switch (optname) { 3787 case SCTP_DISABLE_FRAGMENTS: 3788 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3789 break; 3790 case SCTP_AUTO_ASCONF: 3791 /* 3792 * NOTE: we don't really support this flag 3793 */ 3794 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3795 /* only valid for bound all sockets */ 3796 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3797 (*mopt != 0)) { 3798 /* forbidden by admin */ 3799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3800 return (EPERM); 3801 } 3802 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3803 } else { 3804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3805 return (EINVAL); 3806 } 3807 break; 3808 case SCTP_EXPLICIT_EOR: 3809 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3810 break; 3811 case SCTP_USE_EXT_RCVINFO: 3812 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3813 break; 3814 case SCTP_I_WANT_MAPPED_V4_ADDR: 3815 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3816 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3817 } else { 3818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3819 return (EINVAL); 3820 } 3821 break; 3822 case SCTP_NODELAY: 3823 set_opt = SCTP_PCB_FLAGS_NODELAY; 3824 break; 3825 case SCTP_AUTOCLOSE: 3826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3827 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3829 return (EINVAL); 3830 } 3831 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3832 /* 3833 * The value is in ticks. Note this does not effect 3834 * old associations, only new ones. 3835 */ 3836 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3837 break; 3838 } 3839 SCTP_INP_WLOCK(inp); 3840 if (*mopt != 0) { 3841 sctp_feature_on(inp, set_opt); 3842 } else { 3843 sctp_feature_off(inp, set_opt); 3844 } 3845 SCTP_INP_WUNLOCK(inp); 3846 break; 3847 case SCTP_REUSE_PORT: 3848 { 3849 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3851 /* Can't set it after we are bound */ 3852 error = EINVAL; 3853 break; 3854 } 3855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3856 /* Can't do this for a 1-m socket */ 3857 error = EINVAL; 3858 break; 3859 } 3860 if (optval) 3861 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3862 else 3863 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3864 break; 3865 } 3866 case SCTP_PARTIAL_DELIVERY_POINT: 3867 { 3868 uint32_t *value; 3869 3870 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3871 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3873 error = EINVAL; 3874 break; 3875 } 3876 inp->partial_delivery_point = *value; 3877 break; 3878 } 3879 case SCTP_FRAGMENT_INTERLEAVE: 3880 /* not yet until we re-write sctp_recvmsg() */ 3881 { 3882 uint32_t *level; 3883 3884 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3885 if (*level == SCTP_FRAG_LEVEL_2) { 3886 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3887 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3888 } else if (*level == SCTP_FRAG_LEVEL_1) { 3889 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3890 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3891 } else if (*level == SCTP_FRAG_LEVEL_0) { 3892 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3893 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3894 3895 } else { 3896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3897 error = EINVAL; 3898 } 3899 break; 3900 } 3901 case SCTP_CMT_ON_OFF: 3902 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3903 struct sctp_assoc_value *av; 3904 3905 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3906 if (av->assoc_value > SCTP_CMT_MAX) { 3907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3908 error = EINVAL; 3909 break; 3910 } 3911 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3912 if (stcb) { 3913 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3914 SCTP_TCB_UNLOCK(stcb); 3915 } else { 3916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3917 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3918 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3919 (av->assoc_id == SCTP_ALL_ASSOC)) { 3920 SCTP_INP_WLOCK(inp); 3921 inp->sctp_cmt_on_off = av->assoc_value; 3922 SCTP_INP_WUNLOCK(inp); 3923 } 3924 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3925 (av->assoc_id == SCTP_ALL_ASSOC)) { 3926 SCTP_INP_RLOCK(inp); 3927 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3928 SCTP_TCB_LOCK(stcb); 3929 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3930 SCTP_TCB_UNLOCK(stcb); 3931 } 3932 SCTP_INP_RUNLOCK(inp); 3933 } 3934 } 3935 } else { 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3937 error = ENOPROTOOPT; 3938 } 3939 break; 3940 case SCTP_PLUGGABLE_CC: 3941 { 3942 struct sctp_assoc_value *av; 3943 struct sctp_nets *net; 3944 3945 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3946 if ((av->assoc_value != SCTP_CC_RFC2581) && 3947 (av->assoc_value != SCTP_CC_HSTCP) && 3948 (av->assoc_value != SCTP_CC_HTCP) && 3949 (av->assoc_value != SCTP_CC_RTCC)) { 3950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3951 error = EINVAL; 3952 break; 3953 } 3954 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3955 if (stcb) { 3956 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3957 stcb->asoc.congestion_control_module = av->assoc_value; 3958 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3959 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3960 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3961 } 3962 } 3963 SCTP_TCB_UNLOCK(stcb); 3964 } else { 3965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3966 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3967 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3968 (av->assoc_id == SCTP_ALL_ASSOC)) { 3969 SCTP_INP_WLOCK(inp); 3970 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3971 SCTP_INP_WUNLOCK(inp); 3972 } 3973 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3974 (av->assoc_id == SCTP_ALL_ASSOC)) { 3975 SCTP_INP_RLOCK(inp); 3976 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3977 SCTP_TCB_LOCK(stcb); 3978 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3979 stcb->asoc.congestion_control_module = av->assoc_value; 3980 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3981 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3982 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3983 } 3984 } 3985 SCTP_TCB_UNLOCK(stcb); 3986 } 3987 SCTP_INP_RUNLOCK(inp); 3988 } 3989 } 3990 break; 3991 } 3992 case SCTP_CC_OPTION: 3993 { 3994 struct sctp_cc_option *cc_opt; 3995 3996 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3997 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3998 if (stcb == NULL) { 3999 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4000 SCTP_INP_RLOCK(inp); 4001 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4002 SCTP_TCB_LOCK(stcb); 4003 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4004 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4005 } 4006 SCTP_TCB_UNLOCK(stcb); 4007 } 4008 SCTP_INP_RUNLOCK(inp); 4009 } else { 4010 error = EINVAL; 4011 } 4012 } else { 4013 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4014 error = ENOTSUP; 4015 } else { 4016 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4017 cc_opt); 4018 } 4019 SCTP_TCB_UNLOCK(stcb); 4020 } 4021 break; 4022 } 4023 case SCTP_PLUGGABLE_SS: 4024 { 4025 struct sctp_assoc_value *av; 4026 4027 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4028 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4029 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4030 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4031 (av->assoc_value != SCTP_SS_PRIORITY) && 4032 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4033 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4035 error = EINVAL; 4036 break; 4037 } 4038 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4039 if (stcb) { 4040 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4041 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4042 stcb->asoc.stream_scheduling_module = av->assoc_value; 4043 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4044 SCTP_TCB_UNLOCK(stcb); 4045 } else { 4046 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4047 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4048 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4049 (av->assoc_id == SCTP_ALL_ASSOC)) { 4050 SCTP_INP_WLOCK(inp); 4051 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4052 SCTP_INP_WUNLOCK(inp); 4053 } 4054 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4055 (av->assoc_id == SCTP_ALL_ASSOC)) { 4056 SCTP_INP_RLOCK(inp); 4057 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4058 SCTP_TCB_LOCK(stcb); 4059 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4060 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4061 stcb->asoc.stream_scheduling_module = av->assoc_value; 4062 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4063 SCTP_TCB_UNLOCK(stcb); 4064 } 4065 SCTP_INP_RUNLOCK(inp); 4066 } 4067 } 4068 break; 4069 } 4070 case SCTP_SS_VALUE: 4071 { 4072 struct sctp_stream_value *av; 4073 4074 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4075 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4076 if (stcb) { 4077 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4078 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4079 av->stream_value) < 0)) { 4080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4081 error = EINVAL; 4082 } 4083 SCTP_TCB_UNLOCK(stcb); 4084 } else { 4085 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4086 SCTP_INP_RLOCK(inp); 4087 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4088 SCTP_TCB_LOCK(stcb); 4089 if (av->stream_id < stcb->asoc.streamoutcnt) { 4090 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4091 &stcb->asoc, 4092 &stcb->asoc.strmout[av->stream_id], 4093 av->stream_value); 4094 } 4095 SCTP_TCB_UNLOCK(stcb); 4096 } 4097 SCTP_INP_RUNLOCK(inp); 4098 } else { 4099 /* 4100 * Can't set stream value without 4101 * association 4102 */ 4103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4104 error = EINVAL; 4105 } 4106 } 4107 break; 4108 } 4109 case SCTP_CLR_STAT_LOG: 4110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4111 error = EOPNOTSUPP; 4112 break; 4113 case SCTP_CONTEXT: 4114 { 4115 struct sctp_assoc_value *av; 4116 4117 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4118 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4119 4120 if (stcb) { 4121 stcb->asoc.context = av->assoc_value; 4122 SCTP_TCB_UNLOCK(stcb); 4123 } else { 4124 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4125 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4126 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4127 (av->assoc_id == SCTP_ALL_ASSOC)) { 4128 SCTP_INP_WLOCK(inp); 4129 inp->sctp_context = av->assoc_value; 4130 SCTP_INP_WUNLOCK(inp); 4131 } 4132 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4133 (av->assoc_id == SCTP_ALL_ASSOC)) { 4134 SCTP_INP_RLOCK(inp); 4135 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4136 SCTP_TCB_LOCK(stcb); 4137 stcb->asoc.context = av->assoc_value; 4138 SCTP_TCB_UNLOCK(stcb); 4139 } 4140 SCTP_INP_RUNLOCK(inp); 4141 } 4142 } 4143 break; 4144 } 4145 case SCTP_VRF_ID: 4146 { 4147 uint32_t *default_vrfid; 4148 4149 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4150 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4152 error = EINVAL; 4153 break; 4154 } 4155 inp->def_vrf_id = *default_vrfid; 4156 break; 4157 } 4158 case SCTP_DEL_VRF_ID: 4159 { 4160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4161 error = EOPNOTSUPP; 4162 break; 4163 } 4164 case SCTP_ADD_VRF_ID: 4165 { 4166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4167 error = EOPNOTSUPP; 4168 break; 4169 } 4170 case SCTP_DELAYED_SACK: 4171 { 4172 struct sctp_sack_info *sack; 4173 4174 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4175 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4176 if (sack->sack_delay) { 4177 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4178 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4179 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4180 sack->sack_delay = TICKS_TO_MSEC(1); 4181 } 4182 } 4183 if (stcb) { 4184 if (sack->sack_delay) { 4185 stcb->asoc.delayed_ack = sack->sack_delay; 4186 } 4187 if (sack->sack_freq) { 4188 stcb->asoc.sack_freq = sack->sack_freq; 4189 } 4190 SCTP_TCB_UNLOCK(stcb); 4191 } else { 4192 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4193 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4194 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4195 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4196 SCTP_INP_WLOCK(inp); 4197 if (sack->sack_delay) { 4198 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4199 } 4200 if (sack->sack_freq) { 4201 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4202 } 4203 SCTP_INP_WUNLOCK(inp); 4204 } 4205 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4206 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4207 SCTP_INP_RLOCK(inp); 4208 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4209 SCTP_TCB_LOCK(stcb); 4210 if (sack->sack_delay) { 4211 stcb->asoc.delayed_ack = sack->sack_delay; 4212 } 4213 if (sack->sack_freq) { 4214 stcb->asoc.sack_freq = sack->sack_freq; 4215 } 4216 SCTP_TCB_UNLOCK(stcb); 4217 } 4218 SCTP_INP_RUNLOCK(inp); 4219 } 4220 } 4221 break; 4222 } 4223 case SCTP_AUTH_CHUNK: 4224 { 4225 struct sctp_authchunk *sauth; 4226 4227 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4228 4229 SCTP_INP_WLOCK(inp); 4230 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4232 error = EINVAL; 4233 } 4234 SCTP_INP_WUNLOCK(inp); 4235 break; 4236 } 4237 case SCTP_AUTH_KEY: 4238 { 4239 struct sctp_authkey *sca; 4240 struct sctp_keyhead *shared_keys; 4241 sctp_sharedkey_t *shared_key; 4242 sctp_key_t *key = NULL; 4243 size_t size; 4244 4245 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4246 if (sca->sca_keylength == 0) { 4247 size = optsize - sizeof(struct sctp_authkey); 4248 } else { 4249 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4250 size = sca->sca_keylength; 4251 } else { 4252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4253 error = EINVAL; 4254 break; 4255 } 4256 } 4257 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4258 4259 if (stcb) { 4260 shared_keys = &stcb->asoc.shared_keys; 4261 /* clear the cached keys for this key id */ 4262 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4263 /* 4264 * create the new shared key and 4265 * insert/replace it 4266 */ 4267 if (size > 0) { 4268 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4269 if (key == NULL) { 4270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4271 error = ENOMEM; 4272 SCTP_TCB_UNLOCK(stcb); 4273 break; 4274 } 4275 } 4276 shared_key = sctp_alloc_sharedkey(); 4277 if (shared_key == NULL) { 4278 sctp_free_key(key); 4279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4280 error = ENOMEM; 4281 SCTP_TCB_UNLOCK(stcb); 4282 break; 4283 } 4284 shared_key->key = key; 4285 shared_key->keyid = sca->sca_keynumber; 4286 error = sctp_insert_sharedkey(shared_keys, shared_key); 4287 SCTP_TCB_UNLOCK(stcb); 4288 } else { 4289 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4290 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4291 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4292 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4293 SCTP_INP_WLOCK(inp); 4294 shared_keys = &inp->sctp_ep.shared_keys; 4295 /* 4296 * clear the cached keys on all 4297 * assocs for this key id 4298 */ 4299 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4300 /* 4301 * create the new shared key and 4302 * insert/replace it 4303 */ 4304 if (size > 0) { 4305 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4306 if (key == NULL) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4308 error = ENOMEM; 4309 SCTP_INP_WUNLOCK(inp); 4310 break; 4311 } 4312 } 4313 shared_key = sctp_alloc_sharedkey(); 4314 if (shared_key == NULL) { 4315 sctp_free_key(key); 4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4317 error = ENOMEM; 4318 SCTP_INP_WUNLOCK(inp); 4319 break; 4320 } 4321 shared_key->key = key; 4322 shared_key->keyid = sca->sca_keynumber; 4323 error = sctp_insert_sharedkey(shared_keys, shared_key); 4324 SCTP_INP_WUNLOCK(inp); 4325 } 4326 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4327 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4328 SCTP_INP_RLOCK(inp); 4329 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4330 SCTP_TCB_LOCK(stcb); 4331 shared_keys = &stcb->asoc.shared_keys; 4332 /* 4333 * clear the cached keys for 4334 * this key id 4335 */ 4336 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4337 /* 4338 * create the new shared key 4339 * and insert/replace it 4340 */ 4341 if (size > 0) { 4342 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4343 if (key == NULL) { 4344 SCTP_TCB_UNLOCK(stcb); 4345 continue; 4346 } 4347 } 4348 shared_key = sctp_alloc_sharedkey(); 4349 if (shared_key == NULL) { 4350 sctp_free_key(key); 4351 SCTP_TCB_UNLOCK(stcb); 4352 continue; 4353 } 4354 shared_key->key = key; 4355 shared_key->keyid = sca->sca_keynumber; 4356 error = sctp_insert_sharedkey(shared_keys, shared_key); 4357 SCTP_TCB_UNLOCK(stcb); 4358 } 4359 SCTP_INP_RUNLOCK(inp); 4360 } 4361 } 4362 break; 4363 } 4364 case SCTP_HMAC_IDENT: 4365 { 4366 struct sctp_hmacalgo *shmac; 4367 sctp_hmaclist_t *hmaclist; 4368 uint16_t hmacid; 4369 uint32_t i; 4370 4371 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4372 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4373 (shmac->shmac_number_of_idents > 0xffff)) { 4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4375 error = EINVAL; 4376 break; 4377 } 4378 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4379 if (hmaclist == NULL) { 4380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4381 error = ENOMEM; 4382 break; 4383 } 4384 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4385 hmacid = shmac->shmac_idents[i]; 4386 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4387 /* invalid HMACs were found */ ; 4388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4389 error = EINVAL; 4390 sctp_free_hmaclist(hmaclist); 4391 goto sctp_set_hmac_done; 4392 } 4393 } 4394 for (i = 0; i < hmaclist->num_algo; i++) { 4395 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4396 /* already in list */ 4397 break; 4398 } 4399 } 4400 if (i == hmaclist->num_algo) { 4401 /* not found in list */ 4402 sctp_free_hmaclist(hmaclist); 4403 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4404 error = EINVAL; 4405 break; 4406 } 4407 /* set it on the endpoint */ 4408 SCTP_INP_WLOCK(inp); 4409 if (inp->sctp_ep.local_hmacs) 4410 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4411 inp->sctp_ep.local_hmacs = hmaclist; 4412 SCTP_INP_WUNLOCK(inp); 4413 sctp_set_hmac_done: 4414 break; 4415 } 4416 case SCTP_AUTH_ACTIVE_KEY: 4417 { 4418 struct sctp_authkeyid *scact; 4419 4420 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4421 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4422 4423 /* set the active key on the right place */ 4424 if (stcb) { 4425 /* set the active key on the assoc */ 4426 if (sctp_auth_setactivekey(stcb, 4427 scact->scact_keynumber)) { 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4429 SCTP_FROM_SCTP_USRREQ, 4430 EINVAL); 4431 error = EINVAL; 4432 } 4433 SCTP_TCB_UNLOCK(stcb); 4434 } else { 4435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4436 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4437 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4438 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4439 SCTP_INP_WLOCK(inp); 4440 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4442 error = EINVAL; 4443 } 4444 SCTP_INP_WUNLOCK(inp); 4445 } 4446 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4447 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4448 SCTP_INP_RLOCK(inp); 4449 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4450 SCTP_TCB_LOCK(stcb); 4451 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4452 SCTP_TCB_UNLOCK(stcb); 4453 } 4454 SCTP_INP_RUNLOCK(inp); 4455 } 4456 } 4457 break; 4458 } 4459 case SCTP_AUTH_DELETE_KEY: 4460 { 4461 struct sctp_authkeyid *scdel; 4462 4463 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4464 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4465 4466 /* delete the key from the right place */ 4467 if (stcb) { 4468 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4470 error = EINVAL; 4471 } 4472 SCTP_TCB_UNLOCK(stcb); 4473 } else { 4474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4476 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4477 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4478 SCTP_INP_WLOCK(inp); 4479 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4481 error = EINVAL; 4482 } 4483 SCTP_INP_WUNLOCK(inp); 4484 } 4485 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4486 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4487 SCTP_INP_RLOCK(inp); 4488 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4489 SCTP_TCB_LOCK(stcb); 4490 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4491 SCTP_TCB_UNLOCK(stcb); 4492 } 4493 SCTP_INP_RUNLOCK(inp); 4494 } 4495 } 4496 break; 4497 } 4498 case SCTP_AUTH_DEACTIVATE_KEY: 4499 { 4500 struct sctp_authkeyid *keyid; 4501 4502 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4503 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4504 4505 /* deactivate the key from the right place */ 4506 if (stcb) { 4507 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4509 error = EINVAL; 4510 } 4511 SCTP_TCB_UNLOCK(stcb); 4512 } else { 4513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4515 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4516 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4517 SCTP_INP_WLOCK(inp); 4518 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4520 error = EINVAL; 4521 } 4522 SCTP_INP_WUNLOCK(inp); 4523 } 4524 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4525 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4526 SCTP_INP_RLOCK(inp); 4527 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4528 SCTP_TCB_LOCK(stcb); 4529 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4530 SCTP_TCB_UNLOCK(stcb); 4531 } 4532 SCTP_INP_RUNLOCK(inp); 4533 } 4534 } 4535 break; 4536 } 4537 case SCTP_ENABLE_STREAM_RESET: 4538 { 4539 struct sctp_assoc_value *av; 4540 4541 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4542 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4544 error = EINVAL; 4545 break; 4546 } 4547 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4548 if (stcb) { 4549 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4550 SCTP_TCB_UNLOCK(stcb); 4551 } else { 4552 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4553 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4554 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4555 (av->assoc_id == SCTP_ALL_ASSOC)) { 4556 SCTP_INP_WLOCK(inp); 4557 inp->local_strreset_support = (uint8_t) av->assoc_value; 4558 SCTP_INP_WUNLOCK(inp); 4559 } 4560 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4561 (av->assoc_id == SCTP_ALL_ASSOC)) { 4562 SCTP_INP_RLOCK(inp); 4563 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4564 SCTP_TCB_LOCK(stcb); 4565 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4566 SCTP_TCB_UNLOCK(stcb); 4567 } 4568 SCTP_INP_RUNLOCK(inp); 4569 } 4570 } 4571 break; 4572 } 4573 case SCTP_RESET_STREAMS: 4574 { 4575 struct sctp_reset_streams *strrst; 4576 int i, send_out = 0; 4577 int send_in = 0; 4578 4579 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4580 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4581 if (stcb == NULL) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4583 error = ENOENT; 4584 break; 4585 } 4586 if (stcb->asoc.reconfig_supported == 0) { 4587 /* 4588 * Peer does not support the chunk type. 4589 */ 4590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4591 error = EOPNOTSUPP; 4592 SCTP_TCB_UNLOCK(stcb); 4593 break; 4594 } 4595 if (sizeof(struct sctp_reset_streams) + 4596 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4597 error = EINVAL; 4598 SCTP_TCB_UNLOCK(stcb); 4599 break; 4600 } 4601 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4602 send_in = 1; 4603 if (stcb->asoc.stream_reset_outstanding) { 4604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4605 error = EALREADY; 4606 SCTP_TCB_UNLOCK(stcb); 4607 break; 4608 } 4609 } 4610 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4611 send_out = 1; 4612 } 4613 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4615 error = ENOMEM; 4616 SCTP_TCB_UNLOCK(stcb); 4617 break; 4618 } 4619 if ((send_in == 0) && (send_out == 0)) { 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4621 error = EINVAL; 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 for (i = 0; i < strrst->srs_number_streams; i++) { 4626 if ((send_in) && 4627 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4629 error = EINVAL; 4630 break; 4631 } 4632 if ((send_out) && 4633 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4635 error = EINVAL; 4636 break; 4637 } 4638 } 4639 if (error) { 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 if (send_out) { 4644 int cnt; 4645 uint16_t strm; 4646 4647 if (strrst->srs_number_streams) { 4648 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4649 strm = strrst->srs_stream_list[i]; 4650 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4651 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4652 cnt++; 4653 } 4654 } 4655 } else { 4656 /* Its all */ 4657 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4658 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4659 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4660 cnt++; 4661 } 4662 } 4663 } 4664 } 4665 if (send_in) { 4666 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4667 strrst->srs_stream_list, 4668 send_in, 0, 0, 0, 0, 0); 4669 } else { 4670 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4671 } 4672 if (error == 0) { 4673 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4674 } else { 4675 /* 4676 * For outgoing streams don't report any 4677 * problems in sending the request to the 4678 * application. XXX: Double check resetting 4679 * incoming streams. 4680 */ 4681 error = 0; 4682 } 4683 SCTP_TCB_UNLOCK(stcb); 4684 break; 4685 } 4686 case SCTP_ADD_STREAMS: 4687 { 4688 struct sctp_add_streams *stradd; 4689 uint8_t addstream = 0; 4690 uint16_t add_o_strmcnt = 0; 4691 uint16_t add_i_strmcnt = 0; 4692 4693 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4694 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4695 if (stcb == NULL) { 4696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4697 error = ENOENT; 4698 break; 4699 } 4700 if (stcb->asoc.reconfig_supported == 0) { 4701 /* 4702 * Peer does not support the chunk type. 4703 */ 4704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4705 error = EOPNOTSUPP; 4706 SCTP_TCB_UNLOCK(stcb); 4707 break; 4708 } 4709 if (stcb->asoc.stream_reset_outstanding) { 4710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4711 error = EALREADY; 4712 SCTP_TCB_UNLOCK(stcb); 4713 break; 4714 } 4715 if ((stradd->sas_outstrms == 0) && 4716 (stradd->sas_instrms == 0)) { 4717 error = EINVAL; 4718 goto skip_stuff; 4719 } 4720 if (stradd->sas_outstrms) { 4721 addstream = 1; 4722 /* We allocate here */ 4723 add_o_strmcnt = stradd->sas_outstrms; 4724 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4725 /* You can't have more than 64k */ 4726 error = EINVAL; 4727 goto skip_stuff; 4728 } 4729 } 4730 if (stradd->sas_instrms) { 4731 int cnt; 4732 4733 addstream |= 2; 4734 /* 4735 * We allocate inside 4736 * sctp_send_str_reset_req() 4737 */ 4738 add_i_strmcnt = stradd->sas_instrms; 4739 cnt = add_i_strmcnt; 4740 cnt += stcb->asoc.streamincnt; 4741 if (cnt > 0x0000ffff) { 4742 /* You can't have more than 64k */ 4743 error = EINVAL; 4744 goto skip_stuff; 4745 } 4746 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4747 /* More than you are allowed */ 4748 error = EINVAL; 4749 goto skip_stuff; 4750 } 4751 } 4752 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4753 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4754 skip_stuff: 4755 SCTP_TCB_UNLOCK(stcb); 4756 break; 4757 } 4758 case SCTP_RESET_ASSOC: 4759 { 4760 int i; 4761 uint32_t *value; 4762 4763 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4764 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4765 if (stcb == NULL) { 4766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4767 error = ENOENT; 4768 break; 4769 } 4770 if (stcb->asoc.reconfig_supported == 0) { 4771 /* 4772 * Peer does not support the chunk type. 4773 */ 4774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4775 error = EOPNOTSUPP; 4776 SCTP_TCB_UNLOCK(stcb); 4777 break; 4778 } 4779 if (stcb->asoc.stream_reset_outstanding) { 4780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4781 error = EALREADY; 4782 SCTP_TCB_UNLOCK(stcb); 4783 break; 4784 } 4785 /* 4786 * Is there any data pending in the send or sent 4787 * queues? 4788 */ 4789 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4790 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4791 busy_out: 4792 error = EBUSY; 4793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4794 SCTP_TCB_UNLOCK(stcb); 4795 break; 4796 } 4797 /* Do any streams have data queued? */ 4798 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4799 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4800 goto busy_out; 4801 } 4802 } 4803 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4804 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4805 SCTP_TCB_UNLOCK(stcb); 4806 break; 4807 } 4808 case SCTP_CONNECT_X: 4809 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4811 error = EINVAL; 4812 break; 4813 } 4814 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4815 break; 4816 case SCTP_CONNECT_X_DELAYED: 4817 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4819 error = EINVAL; 4820 break; 4821 } 4822 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4823 break; 4824 case SCTP_CONNECT_X_COMPLETE: 4825 { 4826 struct sockaddr *sa; 4827 4828 /* FIXME MT: check correct? */ 4829 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4830 4831 /* find tcb */ 4832 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4833 SCTP_INP_RLOCK(inp); 4834 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4835 if (stcb) { 4836 SCTP_TCB_LOCK(stcb); 4837 } 4838 SCTP_INP_RUNLOCK(inp); 4839 } else { 4840 /* 4841 * We increment here since 4842 * sctp_findassociation_ep_addr() wil do a 4843 * decrement if it finds the stcb as long as 4844 * the locked tcb (last argument) is NOT a 4845 * TCB.. aka NULL. 4846 */ 4847 SCTP_INP_INCR_REF(inp); 4848 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4849 if (stcb == NULL) { 4850 SCTP_INP_DECR_REF(inp); 4851 } 4852 } 4853 4854 if (stcb == NULL) { 4855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4856 error = ENOENT; 4857 break; 4858 } 4859 if (stcb->asoc.delayed_connection == 1) { 4860 stcb->asoc.delayed_connection = 0; 4861 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4862 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4863 stcb->asoc.primary_destination, 4864 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4865 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4866 } else { 4867 /* 4868 * already expired or did not use delayed 4869 * connectx 4870 */ 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4872 error = EALREADY; 4873 } 4874 SCTP_TCB_UNLOCK(stcb); 4875 break; 4876 } 4877 case SCTP_MAX_BURST: 4878 { 4879 struct sctp_assoc_value *av; 4880 4881 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4882 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4883 4884 if (stcb) { 4885 stcb->asoc.max_burst = av->assoc_value; 4886 SCTP_TCB_UNLOCK(stcb); 4887 } else { 4888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4890 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4891 (av->assoc_id == SCTP_ALL_ASSOC)) { 4892 SCTP_INP_WLOCK(inp); 4893 inp->sctp_ep.max_burst = av->assoc_value; 4894 SCTP_INP_WUNLOCK(inp); 4895 } 4896 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4897 (av->assoc_id == SCTP_ALL_ASSOC)) { 4898 SCTP_INP_RLOCK(inp); 4899 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4900 SCTP_TCB_LOCK(stcb); 4901 stcb->asoc.max_burst = av->assoc_value; 4902 SCTP_TCB_UNLOCK(stcb); 4903 } 4904 SCTP_INP_RUNLOCK(inp); 4905 } 4906 } 4907 break; 4908 } 4909 case SCTP_MAXSEG: 4910 { 4911 struct sctp_assoc_value *av; 4912 int ovh; 4913 4914 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4915 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4916 4917 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4918 ovh = SCTP_MED_OVERHEAD; 4919 } else { 4920 ovh = SCTP_MED_V4_OVERHEAD; 4921 } 4922 if (stcb) { 4923 if (av->assoc_value) { 4924 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4925 } else { 4926 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4927 } 4928 SCTP_TCB_UNLOCK(stcb); 4929 } else { 4930 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4931 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4932 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4933 SCTP_INP_WLOCK(inp); 4934 /* 4935 * FIXME MT: I think this is not in 4936 * tune with the API ID 4937 */ 4938 if (av->assoc_value) { 4939 inp->sctp_frag_point = (av->assoc_value + ovh); 4940 } else { 4941 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4942 } 4943 SCTP_INP_WUNLOCK(inp); 4944 } else { 4945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4946 error = EINVAL; 4947 } 4948 } 4949 break; 4950 } 4951 case SCTP_EVENTS: 4952 { 4953 struct sctp_event_subscribe *events; 4954 4955 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4956 4957 SCTP_INP_WLOCK(inp); 4958 if (events->sctp_data_io_event) { 4959 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4960 } else { 4961 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4962 } 4963 4964 if (events->sctp_association_event) { 4965 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4966 } else { 4967 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4968 } 4969 4970 if (events->sctp_address_event) { 4971 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4972 } else { 4973 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4974 } 4975 4976 if (events->sctp_send_failure_event) { 4977 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4978 } else { 4979 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4980 } 4981 4982 if (events->sctp_peer_error_event) { 4983 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4984 } else { 4985 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4986 } 4987 4988 if (events->sctp_shutdown_event) { 4989 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4990 } else { 4991 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4992 } 4993 4994 if (events->sctp_partial_delivery_event) { 4995 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4996 } else { 4997 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4998 } 4999 5000 if (events->sctp_adaptation_layer_event) { 5001 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5002 } else { 5003 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5004 } 5005 5006 if (events->sctp_authentication_event) { 5007 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5008 } else { 5009 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5010 } 5011 5012 if (events->sctp_sender_dry_event) { 5013 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5014 } else { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5016 } 5017 5018 if (events->sctp_stream_reset_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5022 } 5023 SCTP_INP_WUNLOCK(inp); 5024 5025 SCTP_INP_RLOCK(inp); 5026 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5027 SCTP_TCB_LOCK(stcb); 5028 if (events->sctp_association_event) { 5029 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5030 } else { 5031 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5032 } 5033 if (events->sctp_address_event) { 5034 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5035 } else { 5036 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5037 } 5038 if (events->sctp_send_failure_event) { 5039 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5040 } else { 5041 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5042 } 5043 if (events->sctp_peer_error_event) { 5044 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5045 } else { 5046 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5047 } 5048 if (events->sctp_shutdown_event) { 5049 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5050 } else { 5051 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5052 } 5053 if (events->sctp_partial_delivery_event) { 5054 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5055 } else { 5056 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5057 } 5058 if (events->sctp_adaptation_layer_event) { 5059 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5060 } else { 5061 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5062 } 5063 if (events->sctp_authentication_event) { 5064 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5065 } else { 5066 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5067 } 5068 if (events->sctp_sender_dry_event) { 5069 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5070 } else { 5071 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5072 } 5073 if (events->sctp_stream_reset_event) { 5074 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5075 } else { 5076 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5077 } 5078 SCTP_TCB_UNLOCK(stcb); 5079 } 5080 /* 5081 * Send up the sender dry event only for 1-to-1 5082 * style sockets. 5083 */ 5084 if (events->sctp_sender_dry_event) { 5085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5087 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5088 if (stcb) { 5089 SCTP_TCB_LOCK(stcb); 5090 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5091 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5092 (stcb->asoc.stream_queue_cnt == 0)) { 5093 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5094 } 5095 SCTP_TCB_UNLOCK(stcb); 5096 } 5097 } 5098 } 5099 SCTP_INP_RUNLOCK(inp); 5100 break; 5101 } 5102 case SCTP_ADAPTATION_LAYER: 5103 { 5104 struct sctp_setadaptation *adap_bits; 5105 5106 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5107 SCTP_INP_WLOCK(inp); 5108 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5109 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5110 SCTP_INP_WUNLOCK(inp); 5111 break; 5112 } 5113#ifdef SCTP_DEBUG 5114 case SCTP_SET_INITIAL_DBG_SEQ: 5115 { 5116 uint32_t *vvv; 5117 5118 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5119 SCTP_INP_WLOCK(inp); 5120 inp->sctp_ep.initial_sequence_debug = *vvv; 5121 SCTP_INP_WUNLOCK(inp); 5122 break; 5123 } 5124#endif 5125 case SCTP_DEFAULT_SEND_PARAM: 5126 { 5127 struct sctp_sndrcvinfo *s_info; 5128 5129 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5130 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5131 5132 if (stcb) { 5133 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5134 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5135 } else { 5136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5137 error = EINVAL; 5138 } 5139 SCTP_TCB_UNLOCK(stcb); 5140 } else { 5141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5143 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5144 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5145 SCTP_INP_WLOCK(inp); 5146 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5147 SCTP_INP_WUNLOCK(inp); 5148 } 5149 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5150 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5151 SCTP_INP_RLOCK(inp); 5152 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5153 SCTP_TCB_LOCK(stcb); 5154 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5155 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5156 } 5157 SCTP_TCB_UNLOCK(stcb); 5158 } 5159 SCTP_INP_RUNLOCK(inp); 5160 } 5161 } 5162 break; 5163 } 5164 case SCTP_PEER_ADDR_PARAMS: 5165 { 5166 struct sctp_paddrparams *paddrp; 5167 struct sctp_nets *net; 5168 struct sockaddr *addr; 5169 5170#if defined(INET) && defined(INET6) 5171 struct sockaddr_in sin_store; 5172 5173#endif 5174 5175 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5176 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5177 5178#if defined(INET) && defined(INET6) 5179 if (paddrp->spp_address.ss_family == AF_INET6) { 5180 struct sockaddr_in6 *sin6; 5181 5182 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5183 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5184 in6_sin6_2_sin(&sin_store, sin6); 5185 addr = (struct sockaddr *)&sin_store; 5186 } else { 5187 addr = (struct sockaddr *)&paddrp->spp_address; 5188 } 5189 } else { 5190 addr = (struct sockaddr *)&paddrp->spp_address; 5191 } 5192#else 5193 addr = (struct sockaddr *)&paddrp->spp_address; 5194#endif 5195 if (stcb != NULL) { 5196 net = sctp_findnet(stcb, addr); 5197 } else { 5198 /* 5199 * We increment here since 5200 * sctp_findassociation_ep_addr() wil do a 5201 * decrement if it finds the stcb as long as 5202 * the locked tcb (last argument) is NOT a 5203 * TCB.. aka NULL. 5204 */ 5205 net = NULL; 5206 SCTP_INP_INCR_REF(inp); 5207 stcb = sctp_findassociation_ep_addr(&inp, addr, 5208 &net, NULL, NULL); 5209 if (stcb == NULL) { 5210 SCTP_INP_DECR_REF(inp); 5211 } 5212 } 5213 if ((stcb != NULL) && (net == NULL)) { 5214#ifdef INET 5215 if (addr->sa_family == AF_INET) { 5216 5217 struct sockaddr_in *sin; 5218 5219 sin = (struct sockaddr_in *)addr; 5220 if (sin->sin_addr.s_addr != INADDR_ANY) { 5221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5222 SCTP_TCB_UNLOCK(stcb); 5223 error = EINVAL; 5224 break; 5225 } 5226 } else 5227#endif 5228#ifdef INET6 5229 if (addr->sa_family == AF_INET6) { 5230 struct sockaddr_in6 *sin6; 5231 5232 sin6 = (struct sockaddr_in6 *)addr; 5233 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5235 SCTP_TCB_UNLOCK(stcb); 5236 error = EINVAL; 5237 break; 5238 } 5239 } else 5240#endif 5241 { 5242 error = EAFNOSUPPORT; 5243 SCTP_TCB_UNLOCK(stcb); 5244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5245 break; 5246 } 5247 } 5248 /* sanity checks */ 5249 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5250 if (stcb) 5251 SCTP_TCB_UNLOCK(stcb); 5252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5253 return (EINVAL); 5254 } 5255 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5256 if (stcb) 5257 SCTP_TCB_UNLOCK(stcb); 5258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5259 return (EINVAL); 5260 } 5261 if (stcb != NULL) { 5262 /************************TCB SPECIFIC SET ******************/ 5263 if (net != NULL) { 5264 /************************NET SPECIFIC SET ******************/ 5265 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5266 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5267 !(net->dest_state & SCTP_ADDR_NOHB)) { 5268 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5269 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5270 } 5271 net->dest_state |= SCTP_ADDR_NOHB; 5272 } 5273 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5274 if (paddrp->spp_hbinterval) { 5275 net->heart_beat_delay = paddrp->spp_hbinterval; 5276 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5277 net->heart_beat_delay = 0; 5278 } 5279 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5280 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5281 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5282 net->dest_state &= ~SCTP_ADDR_NOHB; 5283 } 5284 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5285 /* on demand HB */ 5286 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5287 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5288 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5289 } 5290 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5291 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5292 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5293 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5294 } 5295 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5296 net->mtu = paddrp->spp_pathmtu; 5297 switch (net->ro._l_addr.sa.sa_family) { 5298#ifdef INET 5299 case AF_INET: 5300 net->mtu += SCTP_MIN_V4_OVERHEAD; 5301 break; 5302#endif 5303#ifdef INET6 5304 case AF_INET6: 5305 net->mtu += SCTP_MIN_OVERHEAD; 5306 break; 5307#endif 5308 default: 5309 break; 5310 } 5311 if (net->mtu < stcb->asoc.smallest_mtu) { 5312 sctp_pathmtu_adjustment(stcb, net->mtu); 5313 } 5314 } 5315 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5316 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5317 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5318 } 5319 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5320 } 5321 if (paddrp->spp_pathmaxrxt) { 5322 if (net->dest_state & SCTP_ADDR_PF) { 5323 if (net->error_count > paddrp->spp_pathmaxrxt) { 5324 net->dest_state &= ~SCTP_ADDR_PF; 5325 } 5326 } else { 5327 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5328 (net->error_count > net->pf_threshold)) { 5329 net->dest_state |= SCTP_ADDR_PF; 5330 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5331 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5332 stcb->sctp_ep, stcb, net, 5333 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5334 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5335 } 5336 } 5337 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5338 if (net->error_count > paddrp->spp_pathmaxrxt) { 5339 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5340 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5341 } 5342 } else { 5343 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5344 net->dest_state |= SCTP_ADDR_REACHABLE; 5345 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5346 } 5347 } 5348 net->failure_threshold = paddrp->spp_pathmaxrxt; 5349 } 5350 if (paddrp->spp_flags & SPP_DSCP) { 5351 net->dscp = paddrp->spp_dscp & 0xfc; 5352 net->dscp |= 0x01; 5353 } 5354#ifdef INET6 5355 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5356 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5357 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5358 net->flowlabel |= 0x80000000; 5359 } 5360 } 5361#endif 5362 } else { 5363 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5364 if (paddrp->spp_pathmaxrxt != 0) { 5365 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5366 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5367 if (net->dest_state & SCTP_ADDR_PF) { 5368 if (net->error_count > paddrp->spp_pathmaxrxt) { 5369 net->dest_state &= ~SCTP_ADDR_PF; 5370 } 5371 } else { 5372 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5373 (net->error_count > net->pf_threshold)) { 5374 net->dest_state |= SCTP_ADDR_PF; 5375 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5376 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5377 stcb->sctp_ep, stcb, net, 5378 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5379 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5380 } 5381 } 5382 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5383 if (net->error_count > paddrp->spp_pathmaxrxt) { 5384 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5385 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5386 } 5387 } else { 5388 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5389 net->dest_state |= SCTP_ADDR_REACHABLE; 5390 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5391 } 5392 } 5393 net->failure_threshold = paddrp->spp_pathmaxrxt; 5394 } 5395 } 5396 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5397 if (paddrp->spp_hbinterval != 0) { 5398 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5399 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5400 stcb->asoc.heart_beat_delay = 0; 5401 } 5402 /* Turn back on the timer */ 5403 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5404 if (paddrp->spp_hbinterval != 0) { 5405 net->heart_beat_delay = paddrp->spp_hbinterval; 5406 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5407 net->heart_beat_delay = 0; 5408 } 5409 if (net->dest_state & SCTP_ADDR_NOHB) { 5410 net->dest_state &= ~SCTP_ADDR_NOHB; 5411 } 5412 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5413 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5414 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5415 } 5416 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5417 } 5418 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5419 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5420 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5421 net->dest_state |= SCTP_ADDR_NOHB; 5422 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5423 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5424 inp, stcb, net, 5425 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5426 } 5427 } 5428 } 5429 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5430 } 5431 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5432 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5433 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5434 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5435 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5436 } 5437 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5438 net->mtu = paddrp->spp_pathmtu; 5439 switch (net->ro._l_addr.sa.sa_family) { 5440#ifdef INET 5441 case AF_INET: 5442 net->mtu += SCTP_MIN_V4_OVERHEAD; 5443 break; 5444#endif 5445#ifdef INET6 5446 case AF_INET6: 5447 net->mtu += SCTP_MIN_OVERHEAD; 5448 break; 5449#endif 5450 default: 5451 break; 5452 } 5453 if (net->mtu < stcb->asoc.smallest_mtu) { 5454 sctp_pathmtu_adjustment(stcb, net->mtu); 5455 } 5456 } 5457 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5458 } 5459 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5460 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5461 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5462 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5463 } 5464 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5465 } 5466 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5467 } 5468 if (paddrp->spp_flags & SPP_DSCP) { 5469 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5470 net->dscp = paddrp->spp_dscp & 0xfc; 5471 net->dscp |= 0x01; 5472 } 5473 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5474 stcb->asoc.default_dscp |= 0x01; 5475 } 5476#ifdef INET6 5477 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5478 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5479 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5480 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5481 net->flowlabel |= 0x80000000; 5482 } 5483 } 5484 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5485 stcb->asoc.default_flowlabel |= 0x80000000; 5486 } 5487#endif 5488 } 5489 SCTP_TCB_UNLOCK(stcb); 5490 } else { 5491 /************************NO TCB, SET TO default stuff ******************/ 5492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5493 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5494 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5495 SCTP_INP_WLOCK(inp); 5496 /* 5497 * For the TOS/FLOWLABEL stuff you 5498 * set it with the options on the 5499 * socket 5500 */ 5501 if (paddrp->spp_pathmaxrxt != 0) { 5502 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5503 } 5504 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5505 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5506 else if (paddrp->spp_hbinterval != 0) { 5507 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5508 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5509 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5510 } 5511 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5512 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5513 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5514 } else if (paddrp->spp_hbinterval) { 5515 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5516 } 5517 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5518 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5519 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5520 } 5521 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5522 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5523 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5524 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5525 } 5526 if (paddrp->spp_flags & SPP_DSCP) { 5527 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5528 inp->sctp_ep.default_dscp |= 0x01; 5529 } 5530#ifdef INET6 5531 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5532 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5533 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5534 inp->sctp_ep.default_flowlabel |= 0x80000000; 5535 } 5536 } 5537#endif 5538 SCTP_INP_WUNLOCK(inp); 5539 } else { 5540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5541 error = EINVAL; 5542 } 5543 } 5544 break; 5545 } 5546 case SCTP_RTOINFO: 5547 { 5548 struct sctp_rtoinfo *srto; 5549 uint32_t new_init, new_min, new_max; 5550 5551 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5552 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5553 5554 if (stcb) { 5555 if (srto->srto_initial) 5556 new_init = srto->srto_initial; 5557 else 5558 new_init = stcb->asoc.initial_rto; 5559 if (srto->srto_max) 5560 new_max = srto->srto_max; 5561 else 5562 new_max = stcb->asoc.maxrto; 5563 if (srto->srto_min) 5564 new_min = srto->srto_min; 5565 else 5566 new_min = stcb->asoc.minrto; 5567 if ((new_min <= new_init) && (new_init <= new_max)) { 5568 stcb->asoc.initial_rto = new_init; 5569 stcb->asoc.maxrto = new_max; 5570 stcb->asoc.minrto = new_min; 5571 } else { 5572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5573 error = EINVAL; 5574 } 5575 SCTP_TCB_UNLOCK(stcb); 5576 } else { 5577 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5578 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5579 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5580 SCTP_INP_WLOCK(inp); 5581 if (srto->srto_initial) 5582 new_init = srto->srto_initial; 5583 else 5584 new_init = inp->sctp_ep.initial_rto; 5585 if (srto->srto_max) 5586 new_max = srto->srto_max; 5587 else 5588 new_max = inp->sctp_ep.sctp_maxrto; 5589 if (srto->srto_min) 5590 new_min = srto->srto_min; 5591 else 5592 new_min = inp->sctp_ep.sctp_minrto; 5593 if ((new_min <= new_init) && (new_init <= new_max)) { 5594 inp->sctp_ep.initial_rto = new_init; 5595 inp->sctp_ep.sctp_maxrto = new_max; 5596 inp->sctp_ep.sctp_minrto = new_min; 5597 } else { 5598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5599 error = EINVAL; 5600 } 5601 SCTP_INP_WUNLOCK(inp); 5602 } else { 5603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5604 error = EINVAL; 5605 } 5606 } 5607 break; 5608 } 5609 case SCTP_ASSOCINFO: 5610 { 5611 struct sctp_assocparams *sasoc; 5612 5613 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5614 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5615 if (sasoc->sasoc_cookie_life) { 5616 /* boundary check the cookie life */ 5617 if (sasoc->sasoc_cookie_life < 1000) 5618 sasoc->sasoc_cookie_life = 1000; 5619 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5620 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5621 } 5622 } 5623 if (stcb) { 5624 if (sasoc->sasoc_asocmaxrxt) 5625 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5626 if (sasoc->sasoc_cookie_life) { 5627 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5628 } 5629 SCTP_TCB_UNLOCK(stcb); 5630 } else { 5631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5633 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5634 SCTP_INP_WLOCK(inp); 5635 if (sasoc->sasoc_asocmaxrxt) 5636 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5637 if (sasoc->sasoc_cookie_life) { 5638 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5639 } 5640 SCTP_INP_WUNLOCK(inp); 5641 } else { 5642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5643 error = EINVAL; 5644 } 5645 } 5646 break; 5647 } 5648 case SCTP_INITMSG: 5649 { 5650 struct sctp_initmsg *sinit; 5651 5652 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5653 SCTP_INP_WLOCK(inp); 5654 if (sinit->sinit_num_ostreams) 5655 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5656 5657 if (sinit->sinit_max_instreams) 5658 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5659 5660 if (sinit->sinit_max_attempts) 5661 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5662 5663 if (sinit->sinit_max_init_timeo) 5664 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5665 SCTP_INP_WUNLOCK(inp); 5666 break; 5667 } 5668 case SCTP_PRIMARY_ADDR: 5669 { 5670 struct sctp_setprim *spa; 5671 struct sctp_nets *net; 5672 struct sockaddr *addr; 5673 5674#if defined(INET) && defined(INET6) 5675 struct sockaddr_in sin_store; 5676 5677#endif 5678 5679 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5680 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5681 5682#if defined(INET) && defined(INET6) 5683 if (spa->ssp_addr.ss_family == AF_INET6) { 5684 struct sockaddr_in6 *sin6; 5685 5686 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5687 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5688 in6_sin6_2_sin(&sin_store, sin6); 5689 addr = (struct sockaddr *)&sin_store; 5690 } else { 5691 addr = (struct sockaddr *)&spa->ssp_addr; 5692 } 5693 } else { 5694 addr = (struct sockaddr *)&spa->ssp_addr; 5695 } 5696#else 5697 addr = (struct sockaddr *)&spa->ssp_addr; 5698#endif 5699 if (stcb != NULL) { 5700 net = sctp_findnet(stcb, addr); 5701 } else { 5702 /* 5703 * We increment here since 5704 * sctp_findassociation_ep_addr() wil do a 5705 * decrement if it finds the stcb as long as 5706 * the locked tcb (last argument) is NOT a 5707 * TCB.. aka NULL. 5708 */ 5709 net = NULL; 5710 SCTP_INP_INCR_REF(inp); 5711 stcb = sctp_findassociation_ep_addr(&inp, addr, 5712 &net, NULL, NULL); 5713 if (stcb == NULL) { 5714 SCTP_INP_DECR_REF(inp); 5715 } 5716 } 5717 5718 if ((stcb != NULL) && (net != NULL)) { 5719 if (net != stcb->asoc.primary_destination) { 5720 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5721 /* Ok we need to set it */ 5722 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5723 if ((stcb->asoc.alternate) && 5724 (!(net->dest_state & SCTP_ADDR_PF)) && 5725 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5726 sctp_free_remote_addr(stcb->asoc.alternate); 5727 stcb->asoc.alternate = NULL; 5728 } 5729 } else { 5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5731 error = EINVAL; 5732 } 5733 } else { 5734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5735 error = EINVAL; 5736 } 5737 } 5738 } else { 5739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5740 error = EINVAL; 5741 } 5742 if (stcb != NULL) { 5743 SCTP_TCB_UNLOCK(stcb); 5744 } 5745 break; 5746 } 5747 case SCTP_SET_DYNAMIC_PRIMARY: 5748 { 5749 union sctp_sockstore *ss; 5750 5751 error = priv_check(curthread, 5752 PRIV_NETINET_RESERVEDPORT); 5753 if (error) 5754 break; 5755 5756 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5757 /* SUPER USER CHECK? */ 5758 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5759 break; 5760 } 5761 case SCTP_SET_PEER_PRIMARY_ADDR: 5762 { 5763 struct sctp_setpeerprim *sspp; 5764 struct sockaddr *addr; 5765 5766#if defined(INET) && defined(INET6) 5767 struct sockaddr_in sin_store; 5768 5769#endif 5770 5771 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5772 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5773 if (stcb != NULL) { 5774 struct sctp_ifa *ifa; 5775 5776#if defined(INET) && defined(INET6) 5777 if (sspp->sspp_addr.ss_family == AF_INET6) { 5778 struct sockaddr_in6 *sin6; 5779 5780 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5781 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5782 in6_sin6_2_sin(&sin_store, sin6); 5783 addr = (struct sockaddr *)&sin_store; 5784 } else { 5785 addr = (struct sockaddr *)&sspp->sspp_addr; 5786 } 5787 } else { 5788 addr = (struct sockaddr *)&sspp->sspp_addr; 5789 } 5790#else 5791 addr = (struct sockaddr *)&sspp->sspp_addr; 5792#endif 5793 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5794 if (ifa == NULL) { 5795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5796 error = EINVAL; 5797 goto out_of_it; 5798 } 5799 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5800 /* 5801 * Must validate the ifa found is in 5802 * our ep 5803 */ 5804 struct sctp_laddr *laddr; 5805 int found = 0; 5806 5807 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5808 if (laddr->ifa == NULL) { 5809 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5810 __func__); 5811 continue; 5812 } 5813 if (laddr->ifa == ifa) { 5814 found = 1; 5815 break; 5816 } 5817 } 5818 if (!found) { 5819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5820 error = EINVAL; 5821 goto out_of_it; 5822 } 5823 } else { 5824 switch (addr->sa_family) { 5825#ifdef INET 5826 case AF_INET: 5827 { 5828 struct sockaddr_in *sin; 5829 5830 sin = (struct sockaddr_in *)addr; 5831 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5832 &sin->sin_addr) != 0) { 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 error = EINVAL; 5835 goto out_of_it; 5836 } 5837 break; 5838 } 5839#endif 5840#ifdef INET6 5841 case AF_INET6: 5842 { 5843 struct sockaddr_in6 *sin6; 5844 5845 sin6 = (struct sockaddr_in6 *)addr; 5846 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5847 &sin6->sin6_addr) != 0) { 5848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5849 error = EINVAL; 5850 goto out_of_it; 5851 } 5852 break; 5853 } 5854#endif 5855 default: 5856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5857 error = EINVAL; 5858 goto out_of_it; 5859 } 5860 } 5861 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5863 error = EINVAL; 5864 } 5865 out_of_it: 5866 SCTP_TCB_UNLOCK(stcb); 5867 } else { 5868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5869 error = EINVAL; 5870 } 5871 break; 5872 } 5873 case SCTP_BINDX_ADD_ADDR: 5874 { 5875 struct sctp_getaddresses *addrs; 5876 struct thread *td; 5877 5878 td = (struct thread *)p; 5879 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5880 optsize); 5881#ifdef INET 5882 if (addrs->addr->sa_family == AF_INET) { 5883 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5885 error = EINVAL; 5886 break; 5887 } 5888 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5889 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5890 break; 5891 } 5892 } else 5893#endif 5894#ifdef INET6 5895 if (addrs->addr->sa_family == AF_INET6) { 5896 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5898 error = EINVAL; 5899 break; 5900 } 5901 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5902 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5903 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5904 break; 5905 } 5906 } else 5907#endif 5908 { 5909 error = EAFNOSUPPORT; 5910 break; 5911 } 5912 sctp_bindx_add_address(so, inp, addrs->addr, 5913 addrs->sget_assoc_id, vrf_id, 5914 &error, p); 5915 break; 5916 } 5917 case SCTP_BINDX_REM_ADDR: 5918 { 5919 struct sctp_getaddresses *addrs; 5920 struct thread *td; 5921 5922 td = (struct thread *)p; 5923 5924 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5925#ifdef INET 5926 if (addrs->addr->sa_family == AF_INET) { 5927 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5929 error = EINVAL; 5930 break; 5931 } 5932 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5933 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5934 break; 5935 } 5936 } else 5937#endif 5938#ifdef INET6 5939 if (addrs->addr->sa_family == AF_INET6) { 5940 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5942 error = EINVAL; 5943 break; 5944 } 5945 if (td != NULL && 5946 (error = prison_local_ip6(td->td_ucred, 5947 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5948 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5949 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5950 break; 5951 } 5952 } else 5953#endif 5954 { 5955 error = EAFNOSUPPORT; 5956 break; 5957 } 5958 sctp_bindx_delete_address(inp, addrs->addr, 5959 addrs->sget_assoc_id, vrf_id, 5960 &error); 5961 break; 5962 } 5963 case SCTP_EVENT: 5964 { 5965 struct sctp_event *event; 5966 uint32_t event_type; 5967 5968 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5969 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5970 switch (event->se_type) { 5971 case SCTP_ASSOC_CHANGE: 5972 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5973 break; 5974 case SCTP_PEER_ADDR_CHANGE: 5975 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5976 break; 5977 case SCTP_REMOTE_ERROR: 5978 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5979 break; 5980 case SCTP_SEND_FAILED: 5981 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5982 break; 5983 case SCTP_SHUTDOWN_EVENT: 5984 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5985 break; 5986 case SCTP_ADAPTATION_INDICATION: 5987 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5988 break; 5989 case SCTP_PARTIAL_DELIVERY_EVENT: 5990 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5991 break; 5992 case SCTP_AUTHENTICATION_EVENT: 5993 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5994 break; 5995 case SCTP_STREAM_RESET_EVENT: 5996 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5997 break; 5998 case SCTP_SENDER_DRY_EVENT: 5999 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6000 break; 6001 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6002 event_type = 0; 6003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6004 error = ENOTSUP; 6005 break; 6006 case SCTP_ASSOC_RESET_EVENT: 6007 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6008 break; 6009 case SCTP_STREAM_CHANGE_EVENT: 6010 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6011 break; 6012 case SCTP_SEND_FAILED_EVENT: 6013 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6014 break; 6015 default: 6016 event_type = 0; 6017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6018 error = EINVAL; 6019 break; 6020 } 6021 if (event_type > 0) { 6022 if (stcb) { 6023 if (event->se_on) { 6024 sctp_stcb_feature_on(inp, stcb, event_type); 6025 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6026 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6027 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6028 (stcb->asoc.stream_queue_cnt == 0)) { 6029 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6030 } 6031 } 6032 } else { 6033 sctp_stcb_feature_off(inp, stcb, event_type); 6034 } 6035 SCTP_TCB_UNLOCK(stcb); 6036 } else { 6037 /* 6038 * We don't want to send up a storm 6039 * of events, so return an error for 6040 * sender dry events 6041 */ 6042 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6043 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6044 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6045 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6046 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6048 error = ENOTSUP; 6049 break; 6050 } 6051 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6052 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6053 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6054 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6055 SCTP_INP_WLOCK(inp); 6056 if (event->se_on) { 6057 sctp_feature_on(inp, event_type); 6058 } else { 6059 sctp_feature_off(inp, event_type); 6060 } 6061 SCTP_INP_WUNLOCK(inp); 6062 } 6063 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6064 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6065 SCTP_INP_RLOCK(inp); 6066 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6067 SCTP_TCB_LOCK(stcb); 6068 if (event->se_on) { 6069 sctp_stcb_feature_on(inp, stcb, event_type); 6070 } else { 6071 sctp_stcb_feature_off(inp, stcb, event_type); 6072 } 6073 SCTP_TCB_UNLOCK(stcb); 6074 } 6075 SCTP_INP_RUNLOCK(inp); 6076 } 6077 } 6078 } 6079 break; 6080 } 6081 case SCTP_RECVRCVINFO: 6082 { 6083 int *onoff; 6084 6085 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6086 SCTP_INP_WLOCK(inp); 6087 if (*onoff != 0) { 6088 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6089 } else { 6090 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6091 } 6092 SCTP_INP_WUNLOCK(inp); 6093 break; 6094 } 6095 case SCTP_RECVNXTINFO: 6096 { 6097 int *onoff; 6098 6099 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6100 SCTP_INP_WLOCK(inp); 6101 if (*onoff != 0) { 6102 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6103 } else { 6104 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6105 } 6106 SCTP_INP_WUNLOCK(inp); 6107 break; 6108 } 6109 case SCTP_DEFAULT_SNDINFO: 6110 { 6111 struct sctp_sndinfo *info; 6112 uint16_t policy; 6113 6114 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6115 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6116 6117 if (stcb) { 6118 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6119 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6120 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6121 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6122 stcb->asoc.def_send.sinfo_flags |= policy; 6123 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6124 stcb->asoc.def_send.sinfo_context = info->snd_context; 6125 } else { 6126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6127 error = EINVAL; 6128 } 6129 SCTP_TCB_UNLOCK(stcb); 6130 } else { 6131 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6132 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6133 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6134 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6135 SCTP_INP_WLOCK(inp); 6136 inp->def_send.sinfo_stream = info->snd_sid; 6137 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6138 inp->def_send.sinfo_flags = info->snd_flags; 6139 inp->def_send.sinfo_flags |= policy; 6140 inp->def_send.sinfo_ppid = info->snd_ppid; 6141 inp->def_send.sinfo_context = info->snd_context; 6142 SCTP_INP_WUNLOCK(inp); 6143 } 6144 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6145 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6146 SCTP_INP_RLOCK(inp); 6147 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6148 SCTP_TCB_LOCK(stcb); 6149 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6150 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6151 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6152 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6153 stcb->asoc.def_send.sinfo_flags |= policy; 6154 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6155 stcb->asoc.def_send.sinfo_context = info->snd_context; 6156 } 6157 SCTP_TCB_UNLOCK(stcb); 6158 } 6159 SCTP_INP_RUNLOCK(inp); 6160 } 6161 } 6162 break; 6163 } 6164 case SCTP_DEFAULT_PRINFO: 6165 { 6166 struct sctp_default_prinfo *info; 6167 6168 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6169 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6170 6171 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6173 error = EINVAL; 6174 break; 6175 } 6176 if (stcb) { 6177 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6178 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6179 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6180 SCTP_TCB_UNLOCK(stcb); 6181 } else { 6182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6183 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6184 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6185 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6186 SCTP_INP_WLOCK(inp); 6187 inp->def_send.sinfo_flags &= 0xfff0; 6188 inp->def_send.sinfo_flags |= info->pr_policy; 6189 inp->def_send.sinfo_timetolive = info->pr_value; 6190 SCTP_INP_WUNLOCK(inp); 6191 } 6192 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6193 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6194 SCTP_INP_RLOCK(inp); 6195 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6196 SCTP_TCB_LOCK(stcb); 6197 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6198 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6199 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6200 SCTP_TCB_UNLOCK(stcb); 6201 } 6202 SCTP_INP_RUNLOCK(inp); 6203 } 6204 } 6205 break; 6206 } 6207 case SCTP_PEER_ADDR_THLDS: 6208 /* Applies to the specific association */ 6209 { 6210 struct sctp_paddrthlds *thlds; 6211 struct sctp_nets *net; 6212 struct sockaddr *addr; 6213 6214#if defined(INET) && defined(INET6) 6215 struct sockaddr_in sin_store; 6216 6217#endif 6218 6219 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6220 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6221 6222#if defined(INET) && defined(INET6) 6223 if (thlds->spt_address.ss_family == AF_INET6) { 6224 struct sockaddr_in6 *sin6; 6225 6226 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6227 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6228 in6_sin6_2_sin(&sin_store, sin6); 6229 addr = (struct sockaddr *)&sin_store; 6230 } else { 6231 addr = (struct sockaddr *)&thlds->spt_address; 6232 } 6233 } else { 6234 addr = (struct sockaddr *)&thlds->spt_address; 6235 } 6236#else 6237 addr = (struct sockaddr *)&thlds->spt_address; 6238#endif 6239 if (stcb != NULL) { 6240 net = sctp_findnet(stcb, addr); 6241 } else { 6242 /* 6243 * We increment here since 6244 * sctp_findassociation_ep_addr() wil do a 6245 * decrement if it finds the stcb as long as 6246 * the locked tcb (last argument) is NOT a 6247 * TCB.. aka NULL. 6248 */ 6249 net = NULL; 6250 SCTP_INP_INCR_REF(inp); 6251 stcb = sctp_findassociation_ep_addr(&inp, addr, 6252 &net, NULL, NULL); 6253 if (stcb == NULL) { 6254 SCTP_INP_DECR_REF(inp); 6255 } 6256 } 6257 if ((stcb != NULL) && (net == NULL)) { 6258#ifdef INET 6259 if (addr->sa_family == AF_INET) { 6260 6261 struct sockaddr_in *sin; 6262 6263 sin = (struct sockaddr_in *)addr; 6264 if (sin->sin_addr.s_addr != INADDR_ANY) { 6265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6266 SCTP_TCB_UNLOCK(stcb); 6267 error = EINVAL; 6268 break; 6269 } 6270 } else 6271#endif 6272#ifdef INET6 6273 if (addr->sa_family == AF_INET6) { 6274 struct sockaddr_in6 *sin6; 6275 6276 sin6 = (struct sockaddr_in6 *)addr; 6277 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6279 SCTP_TCB_UNLOCK(stcb); 6280 error = EINVAL; 6281 break; 6282 } 6283 } else 6284#endif 6285 { 6286 error = EAFNOSUPPORT; 6287 SCTP_TCB_UNLOCK(stcb); 6288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6289 break; 6290 } 6291 } 6292 if (stcb != NULL) { 6293 if (net != NULL) { 6294 net->failure_threshold = thlds->spt_pathmaxrxt; 6295 net->pf_threshold = thlds->spt_pathpfthld; 6296 if (net->dest_state & SCTP_ADDR_PF) { 6297 if ((net->error_count > net->failure_threshold) || 6298 (net->error_count <= net->pf_threshold)) { 6299 net->dest_state &= ~SCTP_ADDR_PF; 6300 } 6301 } else { 6302 if ((net->error_count > net->pf_threshold) && 6303 (net->error_count <= net->failure_threshold)) { 6304 net->dest_state |= SCTP_ADDR_PF; 6305 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6306 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6307 stcb->sctp_ep, stcb, net, 6308 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6309 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6310 } 6311 } 6312 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6313 if (net->error_count > net->failure_threshold) { 6314 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6315 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6316 } 6317 } else { 6318 if (net->error_count <= net->failure_threshold) { 6319 net->dest_state |= SCTP_ADDR_REACHABLE; 6320 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6321 } 6322 } 6323 } else { 6324 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6325 net->failure_threshold = thlds->spt_pathmaxrxt; 6326 net->pf_threshold = thlds->spt_pathpfthld; 6327 if (net->dest_state & SCTP_ADDR_PF) { 6328 if ((net->error_count > net->failure_threshold) || 6329 (net->error_count <= net->pf_threshold)) { 6330 net->dest_state &= ~SCTP_ADDR_PF; 6331 } 6332 } else { 6333 if ((net->error_count > net->pf_threshold) && 6334 (net->error_count <= net->failure_threshold)) { 6335 net->dest_state |= SCTP_ADDR_PF; 6336 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6337 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6338 stcb->sctp_ep, stcb, net, 6339 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6340 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6341 } 6342 } 6343 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6344 if (net->error_count > net->failure_threshold) { 6345 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6346 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6347 } 6348 } else { 6349 if (net->error_count <= net->failure_threshold) { 6350 net->dest_state |= SCTP_ADDR_REACHABLE; 6351 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6352 } 6353 } 6354 } 6355 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6356 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6357 } 6358 SCTP_TCB_UNLOCK(stcb); 6359 } else { 6360 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6361 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6362 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6363 SCTP_INP_WLOCK(inp); 6364 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6365 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6366 SCTP_INP_WUNLOCK(inp); 6367 } else { 6368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6369 error = EINVAL; 6370 } 6371 } 6372 break; 6373 } 6374 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6375 { 6376 struct sctp_udpencaps *encaps; 6377 struct sctp_nets *net; 6378 struct sockaddr *addr; 6379 6380#if defined(INET) && defined(INET6) 6381 struct sockaddr_in sin_store; 6382 6383#endif 6384 6385 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6386 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6387 6388#if defined(INET) && defined(INET6) 6389 if (encaps->sue_address.ss_family == AF_INET6) { 6390 struct sockaddr_in6 *sin6; 6391 6392 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6393 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6394 in6_sin6_2_sin(&sin_store, sin6); 6395 addr = (struct sockaddr *)&sin_store; 6396 } else { 6397 addr = (struct sockaddr *)&encaps->sue_address; 6398 } 6399 } else { 6400 addr = (struct sockaddr *)&encaps->sue_address; 6401 } 6402#else 6403 addr = (struct sockaddr *)&encaps->sue_address; 6404#endif 6405 if (stcb != NULL) { 6406 net = sctp_findnet(stcb, addr); 6407 } else { 6408 /* 6409 * We increment here since 6410 * sctp_findassociation_ep_addr() wil do a 6411 * decrement if it finds the stcb as long as 6412 * the locked tcb (last argument) is NOT a 6413 * TCB.. aka NULL. 6414 */ 6415 net = NULL; 6416 SCTP_INP_INCR_REF(inp); 6417 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6418 if (stcb == NULL) { 6419 SCTP_INP_DECR_REF(inp); 6420 } 6421 } 6422 if ((stcb != NULL) && (net == NULL)) { 6423#ifdef INET 6424 if (addr->sa_family == AF_INET) { 6425 6426 struct sockaddr_in *sin; 6427 6428 sin = (struct sockaddr_in *)addr; 6429 if (sin->sin_addr.s_addr != INADDR_ANY) { 6430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6431 SCTP_TCB_UNLOCK(stcb); 6432 error = EINVAL; 6433 break; 6434 } 6435 } else 6436#endif 6437#ifdef INET6 6438 if (addr->sa_family == AF_INET6) { 6439 struct sockaddr_in6 *sin6; 6440 6441 sin6 = (struct sockaddr_in6 *)addr; 6442 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6444 SCTP_TCB_UNLOCK(stcb); 6445 error = EINVAL; 6446 break; 6447 } 6448 } else 6449#endif 6450 { 6451 error = EAFNOSUPPORT; 6452 SCTP_TCB_UNLOCK(stcb); 6453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6454 break; 6455 } 6456 } 6457 if (stcb != NULL) { 6458 if (net != NULL) { 6459 net->port = encaps->sue_port; 6460 } else { 6461 stcb->asoc.port = encaps->sue_port; 6462 } 6463 SCTP_TCB_UNLOCK(stcb); 6464 } else { 6465 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6466 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6467 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6468 SCTP_INP_WLOCK(inp); 6469 inp->sctp_ep.port = encaps->sue_port; 6470 SCTP_INP_WUNLOCK(inp); 6471 } else { 6472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6473 error = EINVAL; 6474 } 6475 } 6476 break; 6477 } 6478 case SCTP_ECN_SUPPORTED: 6479 { 6480 struct sctp_assoc_value *av; 6481 6482 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6483 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6484 6485 if (stcb) { 6486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6487 error = EINVAL; 6488 SCTP_TCB_UNLOCK(stcb); 6489 } else { 6490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6492 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6493 SCTP_INP_WLOCK(inp); 6494 if (av->assoc_value == 0) { 6495 inp->ecn_supported = 0; 6496 } else { 6497 inp->ecn_supported = 1; 6498 } 6499 SCTP_INP_WUNLOCK(inp); 6500 } else { 6501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6502 error = EINVAL; 6503 } 6504 } 6505 break; 6506 } 6507 case SCTP_PR_SUPPORTED: 6508 { 6509 struct sctp_assoc_value *av; 6510 6511 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6512 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6513 6514 if (stcb) { 6515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6516 error = EINVAL; 6517 SCTP_TCB_UNLOCK(stcb); 6518 } else { 6519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6520 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6521 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6522 SCTP_INP_WLOCK(inp); 6523 if (av->assoc_value == 0) { 6524 inp->prsctp_supported = 0; 6525 } else { 6526 inp->prsctp_supported = 1; 6527 } 6528 SCTP_INP_WUNLOCK(inp); 6529 } else { 6530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6531 error = EINVAL; 6532 } 6533 } 6534 break; 6535 } 6536 case SCTP_AUTH_SUPPORTED: 6537 { 6538 struct sctp_assoc_value *av; 6539 6540 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6541 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6542 6543 if (stcb) { 6544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6545 error = EINVAL; 6546 SCTP_TCB_UNLOCK(stcb); 6547 } else { 6548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6550 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6551 if ((av->assoc_value == 0) && 6552 (inp->asconf_supported == 1)) { 6553 /* 6554 * AUTH is required for 6555 * ASCONF 6556 */ 6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6558 error = EINVAL; 6559 } else { 6560 SCTP_INP_WLOCK(inp); 6561 if (av->assoc_value == 0) { 6562 inp->auth_supported = 0; 6563 } else { 6564 inp->auth_supported = 1; 6565 } 6566 SCTP_INP_WUNLOCK(inp); 6567 } 6568 } else { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 } 6572 } 6573 break; 6574 } 6575 case SCTP_ASCONF_SUPPORTED: 6576 { 6577 struct sctp_assoc_value *av; 6578 6579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6581 6582 if (stcb) { 6583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6584 error = EINVAL; 6585 SCTP_TCB_UNLOCK(stcb); 6586 } else { 6587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6589 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6590 if ((av->assoc_value != 0) && 6591 (inp->auth_supported == 0)) { 6592 /* 6593 * AUTH is required for 6594 * ASCONF 6595 */ 6596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6597 error = EINVAL; 6598 } else { 6599 SCTP_INP_WLOCK(inp); 6600 if (av->assoc_value == 0) { 6601 inp->asconf_supported = 0; 6602 sctp_auth_delete_chunk(SCTP_ASCONF, 6603 inp->sctp_ep.local_auth_chunks); 6604 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6605 inp->sctp_ep.local_auth_chunks); 6606 } else { 6607 inp->asconf_supported = 1; 6608 sctp_auth_add_chunk(SCTP_ASCONF, 6609 inp->sctp_ep.local_auth_chunks); 6610 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6611 inp->sctp_ep.local_auth_chunks); 6612 } 6613 SCTP_INP_WUNLOCK(inp); 6614 } 6615 } else { 6616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6617 error = EINVAL; 6618 } 6619 } 6620 break; 6621 } 6622 case SCTP_RECONFIG_SUPPORTED: 6623 { 6624 struct sctp_assoc_value *av; 6625 6626 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6627 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6628 6629 if (stcb) { 6630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6631 error = EINVAL; 6632 SCTP_TCB_UNLOCK(stcb); 6633 } else { 6634 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6635 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6636 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6637 SCTP_INP_WLOCK(inp); 6638 if (av->assoc_value == 0) { 6639 inp->reconfig_supported = 0; 6640 } else { 6641 inp->reconfig_supported = 1; 6642 } 6643 SCTP_INP_WUNLOCK(inp); 6644 } else { 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 } 6648 } 6649 break; 6650 } 6651 case SCTP_NRSACK_SUPPORTED: 6652 { 6653 struct sctp_assoc_value *av; 6654 6655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6657 6658 if (stcb) { 6659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6660 error = EINVAL; 6661 SCTP_TCB_UNLOCK(stcb); 6662 } else { 6663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6665 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6666 SCTP_INP_WLOCK(inp); 6667 if (av->assoc_value == 0) { 6668 inp->nrsack_supported = 0; 6669 } else { 6670 inp->nrsack_supported = 1; 6671 } 6672 SCTP_INP_WUNLOCK(inp); 6673 } else { 6674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6675 error = EINVAL; 6676 } 6677 } 6678 break; 6679 } 6680 case SCTP_PKTDROP_SUPPORTED: 6681 { 6682 struct sctp_assoc_value *av; 6683 6684 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6685 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6686 6687 if (stcb) { 6688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6689 error = EINVAL; 6690 SCTP_TCB_UNLOCK(stcb); 6691 } else { 6692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6693 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6694 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6695 SCTP_INP_WLOCK(inp); 6696 if (av->assoc_value == 0) { 6697 inp->pktdrop_supported = 0; 6698 } else { 6699 inp->pktdrop_supported = 1; 6700 } 6701 SCTP_INP_WUNLOCK(inp); 6702 } else { 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 } 6706 } 6707 break; 6708 } 6709 case SCTP_MAX_CWND: 6710 { 6711 struct sctp_assoc_value *av; 6712 struct sctp_nets *net; 6713 6714 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6715 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6716 6717 if (stcb) { 6718 stcb->asoc.max_cwnd = av->assoc_value; 6719 if (stcb->asoc.max_cwnd > 0) { 6720 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6721 if ((net->cwnd > stcb->asoc.max_cwnd) && 6722 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6723 net->cwnd = stcb->asoc.max_cwnd; 6724 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6725 net->cwnd = net->mtu - sizeof(struct sctphdr); 6726 } 6727 } 6728 } 6729 } 6730 SCTP_TCB_UNLOCK(stcb); 6731 } else { 6732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6734 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6735 SCTP_INP_WLOCK(inp); 6736 inp->max_cwnd = av->assoc_value; 6737 SCTP_INP_WUNLOCK(inp); 6738 } else { 6739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6740 error = EINVAL; 6741 } 6742 } 6743 break; 6744 } 6745 default: 6746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6747 error = ENOPROTOOPT; 6748 break; 6749 } /* end switch (opt) */ 6750 return (error); 6751} 6752 6753int 6754sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6755{ 6756 void *optval = NULL; 6757 size_t optsize = 0; 6758 void *p; 6759 int error = 0; 6760 struct sctp_inpcb *inp; 6761 6762 if ((sopt->sopt_level == SOL_SOCKET) && 6763 (sopt->sopt_name == SO_SETFIB)) { 6764 inp = (struct sctp_inpcb *)so->so_pcb; 6765 if (inp == NULL) { 6766 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6767 return (EINVAL); 6768 } 6769 SCTP_INP_WLOCK(inp); 6770 inp->fibnum = so->so_fibnum; 6771 SCTP_INP_WUNLOCK(inp); 6772 return (0); 6773 } 6774 if (sopt->sopt_level != IPPROTO_SCTP) { 6775 /* wrong proto level... send back up to IP */ 6776#ifdef INET6 6777 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6778 error = ip6_ctloutput(so, sopt); 6779#endif /* INET6 */ 6780#if defined(INET) && defined(INET6) 6781 else 6782#endif 6783#ifdef INET 6784 error = ip_ctloutput(so, sopt); 6785#endif 6786 return (error); 6787 } 6788 optsize = sopt->sopt_valsize; 6789 if (optsize) { 6790 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6791 if (optval == NULL) { 6792 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6793 return (ENOBUFS); 6794 } 6795 error = sooptcopyin(sopt, optval, optsize, optsize); 6796 if (error) { 6797 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6798 goto out; 6799 } 6800 } 6801 p = (void *)sopt->sopt_td; 6802 if (sopt->sopt_dir == SOPT_SET) { 6803 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6804 } else if (sopt->sopt_dir == SOPT_GET) { 6805 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6806 } else { 6807 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6808 error = EINVAL; 6809 } 6810 if ((error == 0) && (optval != NULL)) { 6811 error = sooptcopyout(sopt, optval, optsize); 6812 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6813 } else if (optval != NULL) { 6814 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6815 } 6816out: 6817 return (error); 6818} 6819 6820#ifdef INET 6821static int 6822sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6823{ 6824 int error = 0; 6825 int create_lock_on = 0; 6826 uint32_t vrf_id; 6827 struct sctp_inpcb *inp; 6828 struct sctp_tcb *stcb = NULL; 6829 6830 inp = (struct sctp_inpcb *)so->so_pcb; 6831 if (inp == NULL) { 6832 /* I made the same as TCP since we are not setup? */ 6833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6834 return (ECONNRESET); 6835 } 6836 if (addr == NULL) { 6837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6838 return EINVAL; 6839 } 6840 switch (addr->sa_family) { 6841#ifdef INET6 6842 case AF_INET6: 6843 { 6844 struct sockaddr_in6 *sin6p; 6845 6846 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6848 return (EINVAL); 6849 } 6850 sin6p = (struct sockaddr_in6 *)addr; 6851 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6853 return (error); 6854 } 6855 break; 6856 } 6857#endif 6858#ifdef INET 6859 case AF_INET: 6860 { 6861 struct sockaddr_in *sinp; 6862 6863 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6865 return (EINVAL); 6866 } 6867 sinp = (struct sockaddr_in *)addr; 6868 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6870 return (error); 6871 } 6872 break; 6873 } 6874#endif 6875 default: 6876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6877 return (EAFNOSUPPORT); 6878 } 6879 SCTP_INP_INCR_REF(inp); 6880 SCTP_ASOC_CREATE_LOCK(inp); 6881 create_lock_on = 1; 6882 6883 6884 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6885 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6886 /* Should I really unlock ? */ 6887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6888 error = EFAULT; 6889 goto out_now; 6890 } 6891#ifdef INET6 6892 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6893 (addr->sa_family == AF_INET6)) { 6894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6895 error = EINVAL; 6896 goto out_now; 6897 } 6898#endif 6899 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6900 SCTP_PCB_FLAGS_UNBOUND) { 6901 /* Bind a ephemeral port */ 6902 error = sctp_inpcb_bind(so, NULL, NULL, p); 6903 if (error) { 6904 goto out_now; 6905 } 6906 } 6907 /* Now do we connect? */ 6908 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6909 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6911 error = EINVAL; 6912 goto out_now; 6913 } 6914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6915 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6916 /* We are already connected AND the TCP model */ 6917 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6918 error = EADDRINUSE; 6919 goto out_now; 6920 } 6921 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6922 SCTP_INP_RLOCK(inp); 6923 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6924 SCTP_INP_RUNLOCK(inp); 6925 } else { 6926 /* 6927 * We increment here since sctp_findassociation_ep_addr() 6928 * will do a decrement if it finds the stcb as long as the 6929 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6930 */ 6931 SCTP_INP_INCR_REF(inp); 6932 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6933 if (stcb == NULL) { 6934 SCTP_INP_DECR_REF(inp); 6935 } else { 6936 SCTP_TCB_UNLOCK(stcb); 6937 } 6938 } 6939 if (stcb != NULL) { 6940 /* Already have or am bring up an association */ 6941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6942 error = EALREADY; 6943 goto out_now; 6944 } 6945 vrf_id = inp->def_vrf_id; 6946 /* We are GOOD to go */ 6947 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 6948 if (stcb == NULL) { 6949 /* Gak! no memory */ 6950 goto out_now; 6951 } 6952 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6953 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6954 /* Set the connected flag so we can queue data */ 6955 soisconnecting(so); 6956 } 6957 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6958 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6959 6960 /* initialize authentication parameters for the assoc */ 6961 sctp_initialize_auth_params(inp, stcb); 6962 6963 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6964 SCTP_TCB_UNLOCK(stcb); 6965out_now: 6966 if (create_lock_on) { 6967 SCTP_ASOC_CREATE_UNLOCK(inp); 6968 } 6969 SCTP_INP_DECR_REF(inp); 6970 return (error); 6971} 6972 6973#endif 6974 6975int 6976sctp_listen(struct socket *so, int backlog, struct thread *p) 6977{ 6978 /* 6979 * Note this module depends on the protocol processing being called 6980 * AFTER any socket level flags and backlog are applied to the 6981 * socket. The traditional way that the socket flags are applied is 6982 * AFTER protocol processing. We have made a change to the 6983 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6984 * place if the socket API for SCTP is to work properly. 6985 */ 6986 6987 int error = 0; 6988 struct sctp_inpcb *inp; 6989 6990 inp = (struct sctp_inpcb *)so->so_pcb; 6991 if (inp == NULL) { 6992 /* I made the same as TCP since we are not setup? */ 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6994 return (ECONNRESET); 6995 } 6996 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6997 /* See if we have a listener */ 6998 struct sctp_inpcb *tinp; 6999 union sctp_sockstore store; 7000 7001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7002 /* not bound all */ 7003 struct sctp_laddr *laddr; 7004 7005 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7006 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7007 switch (store.sa.sa_family) { 7008#ifdef INET 7009 case AF_INET: 7010 store.sin.sin_port = inp->sctp_lport; 7011 break; 7012#endif 7013#ifdef INET6 7014 case AF_INET6: 7015 store.sin6.sin6_port = inp->sctp_lport; 7016 break; 7017#endif 7018 default: 7019 break; 7020 } 7021 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7022 if (tinp && (tinp != inp) && 7023 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7024 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7025 (tinp->sctp_socket->so_qlimit)) { 7026 /* 7027 * we have a listener already and 7028 * its not this inp. 7029 */ 7030 SCTP_INP_DECR_REF(tinp); 7031 return (EADDRINUSE); 7032 } else if (tinp) { 7033 SCTP_INP_DECR_REF(tinp); 7034 } 7035 } 7036 } else { 7037 /* Setup a local addr bound all */ 7038 memset(&store, 0, sizeof(store)); 7039#ifdef INET6 7040 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7041 store.sa.sa_family = AF_INET6; 7042 store.sa.sa_len = sizeof(struct sockaddr_in6); 7043 } 7044#endif 7045#ifdef INET 7046 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7047 store.sa.sa_family = AF_INET; 7048 store.sa.sa_len = sizeof(struct sockaddr_in); 7049 } 7050#endif 7051 switch (store.sa.sa_family) { 7052#ifdef INET 7053 case AF_INET: 7054 store.sin.sin_port = inp->sctp_lport; 7055 break; 7056#endif 7057#ifdef INET6 7058 case AF_INET6: 7059 store.sin6.sin6_port = inp->sctp_lport; 7060 break; 7061#endif 7062 default: 7063 break; 7064 } 7065 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7066 if (tinp && (tinp != inp) && 7067 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7068 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7069 (tinp->sctp_socket->so_qlimit)) { 7070 /* 7071 * we have a listener already and its not 7072 * this inp. 7073 */ 7074 SCTP_INP_DECR_REF(tinp); 7075 return (EADDRINUSE); 7076 } else if (tinp) { 7077 SCTP_INP_DECR_REF(tinp); 7078 } 7079 } 7080 } 7081 SCTP_INP_RLOCK(inp); 7082#ifdef SCTP_LOCK_LOGGING 7083 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7084 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7085 } 7086#endif 7087 SOCK_LOCK(so); 7088 error = solisten_proto_check(so); 7089 SOCK_UNLOCK(so); 7090 if (error) { 7091 SCTP_INP_RUNLOCK(inp); 7092 return (error); 7093 } 7094 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7095 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7096 /* 7097 * The unlucky case - We are in the tcp pool with this guy. 7098 * - Someone else is in the main inp slot. - We must move 7099 * this guy (the listener) to the main slot - We must then 7100 * move the guy that was listener to the TCP Pool. 7101 */ 7102 if (sctp_swap_inpcb_for_listen(inp)) { 7103 SCTP_INP_RUNLOCK(inp); 7104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7105 return (EADDRINUSE); 7106 } 7107 } 7108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7109 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7110 /* We are already connected AND the TCP model */ 7111 SCTP_INP_RUNLOCK(inp); 7112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7113 return (EADDRINUSE); 7114 } 7115 SCTP_INP_RUNLOCK(inp); 7116 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7117 /* We must do a bind. */ 7118 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7119 /* bind error, probably perm */ 7120 return (error); 7121 } 7122 } 7123 SOCK_LOCK(so); 7124 /* It appears for 7.0 and on, we must always call this. */ 7125 solisten_proto(so, backlog); 7126 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7127 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7128 so->so_options &= ~SO_ACCEPTCONN; 7129 } 7130 if (backlog == 0) { 7131 /* turning off listen */ 7132 so->so_options &= ~SO_ACCEPTCONN; 7133 } 7134 SOCK_UNLOCK(so); 7135 return (error); 7136} 7137 7138static int sctp_defered_wakeup_cnt = 0; 7139 7140int 7141sctp_accept(struct socket *so, struct sockaddr **addr) 7142{ 7143 struct sctp_tcb *stcb; 7144 struct sctp_inpcb *inp; 7145 union sctp_sockstore store; 7146 7147#ifdef INET6 7148 int error; 7149 7150#endif 7151 inp = (struct sctp_inpcb *)so->so_pcb; 7152 7153 if (inp == NULL) { 7154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7155 return (ECONNRESET); 7156 } 7157 SCTP_INP_RLOCK(inp); 7158 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7159 SCTP_INP_RUNLOCK(inp); 7160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7161 return (EOPNOTSUPP); 7162 } 7163 if (so->so_state & SS_ISDISCONNECTED) { 7164 SCTP_INP_RUNLOCK(inp); 7165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7166 return (ECONNABORTED); 7167 } 7168 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7169 if (stcb == NULL) { 7170 SCTP_INP_RUNLOCK(inp); 7171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7172 return (ECONNRESET); 7173 } 7174 SCTP_TCB_LOCK(stcb); 7175 SCTP_INP_RUNLOCK(inp); 7176 store = stcb->asoc.primary_destination->ro._l_addr; 7177 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7178 SCTP_TCB_UNLOCK(stcb); 7179 switch (store.sa.sa_family) { 7180#ifdef INET 7181 case AF_INET: 7182 { 7183 struct sockaddr_in *sin; 7184 7185 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7186 if (sin == NULL) 7187 return (ENOMEM); 7188 sin->sin_family = AF_INET; 7189 sin->sin_len = sizeof(*sin); 7190 sin->sin_port = store.sin.sin_port; 7191 sin->sin_addr = store.sin.sin_addr; 7192 *addr = (struct sockaddr *)sin; 7193 break; 7194 } 7195#endif 7196#ifdef INET6 7197 case AF_INET6: 7198 { 7199 struct sockaddr_in6 *sin6; 7200 7201 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7202 if (sin6 == NULL) 7203 return (ENOMEM); 7204 sin6->sin6_family = AF_INET6; 7205 sin6->sin6_len = sizeof(*sin6); 7206 sin6->sin6_port = store.sin6.sin6_port; 7207 sin6->sin6_addr = store.sin6.sin6_addr; 7208 if ((error = sa6_recoverscope(sin6)) != 0) { 7209 SCTP_FREE_SONAME(sin6); 7210 return (error); 7211 } 7212 *addr = (struct sockaddr *)sin6; 7213 break; 7214 } 7215#endif 7216 default: 7217 /* TSNH */ 7218 break; 7219 } 7220 /* Wake any delayed sleep action */ 7221 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7222 SCTP_INP_WLOCK(inp); 7223 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7224 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7225 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7226 SCTP_INP_WUNLOCK(inp); 7227 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7228 if (sowriteable(inp->sctp_socket)) { 7229 sowwakeup_locked(inp->sctp_socket); 7230 } else { 7231 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7232 } 7233 SCTP_INP_WLOCK(inp); 7234 } 7235 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7236 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7237 SCTP_INP_WUNLOCK(inp); 7238 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7239 if (soreadable(inp->sctp_socket)) { 7240 sctp_defered_wakeup_cnt++; 7241 sorwakeup_locked(inp->sctp_socket); 7242 } else { 7243 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7244 } 7245 SCTP_INP_WLOCK(inp); 7246 } 7247 SCTP_INP_WUNLOCK(inp); 7248 } 7249 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7250 SCTP_TCB_LOCK(stcb); 7251 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7252 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7253 } 7254 return (0); 7255} 7256 7257#ifdef INET 7258int 7259sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7260{ 7261 struct sockaddr_in *sin; 7262 uint32_t vrf_id; 7263 struct sctp_inpcb *inp; 7264 struct sctp_ifa *sctp_ifa; 7265 7266 /* 7267 * Do the malloc first in case it blocks. 7268 */ 7269 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7270 if (sin == NULL) 7271 return (ENOMEM); 7272 sin->sin_family = AF_INET; 7273 sin->sin_len = sizeof(*sin); 7274 inp = (struct sctp_inpcb *)so->so_pcb; 7275 if (!inp) { 7276 SCTP_FREE_SONAME(sin); 7277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7278 return (ECONNRESET); 7279 } 7280 SCTP_INP_RLOCK(inp); 7281 sin->sin_port = inp->sctp_lport; 7282 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7283 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7284 struct sctp_tcb *stcb; 7285 struct sockaddr_in *sin_a; 7286 struct sctp_nets *net; 7287 int fnd; 7288 7289 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7290 if (stcb == NULL) { 7291 goto notConn; 7292 } 7293 fnd = 0; 7294 sin_a = NULL; 7295 SCTP_TCB_LOCK(stcb); 7296 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7297 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7298 if (sin_a == NULL) 7299 /* this will make coverity happy */ 7300 continue; 7301 7302 if (sin_a->sin_family == AF_INET) { 7303 fnd = 1; 7304 break; 7305 } 7306 } 7307 if ((!fnd) || (sin_a == NULL)) { 7308 /* punt */ 7309 SCTP_TCB_UNLOCK(stcb); 7310 goto notConn; 7311 } 7312 vrf_id = inp->def_vrf_id; 7313 sctp_ifa = sctp_source_address_selection(inp, 7314 stcb, 7315 (sctp_route_t *) & net->ro, 7316 net, 0, vrf_id); 7317 if (sctp_ifa) { 7318 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7319 sctp_free_ifa(sctp_ifa); 7320 } 7321 SCTP_TCB_UNLOCK(stcb); 7322 } else { 7323 /* For the bound all case you get back 0 */ 7324 notConn: 7325 sin->sin_addr.s_addr = 0; 7326 } 7327 7328 } else { 7329 /* Take the first IPv4 address in the list */ 7330 struct sctp_laddr *laddr; 7331 int fnd = 0; 7332 7333 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7334 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7335 struct sockaddr_in *sin_a; 7336 7337 sin_a = &laddr->ifa->address.sin; 7338 sin->sin_addr = sin_a->sin_addr; 7339 fnd = 1; 7340 break; 7341 } 7342 } 7343 if (!fnd) { 7344 SCTP_FREE_SONAME(sin); 7345 SCTP_INP_RUNLOCK(inp); 7346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7347 return (ENOENT); 7348 } 7349 } 7350 SCTP_INP_RUNLOCK(inp); 7351 (*addr) = (struct sockaddr *)sin; 7352 return (0); 7353} 7354 7355int 7356sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7357{ 7358 struct sockaddr_in *sin; 7359 int fnd; 7360 struct sockaddr_in *sin_a; 7361 struct sctp_inpcb *inp; 7362 struct sctp_tcb *stcb; 7363 struct sctp_nets *net; 7364 7365 /* Do the malloc first in case it blocks. */ 7366 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7367 if (sin == NULL) 7368 return (ENOMEM); 7369 sin->sin_family = AF_INET; 7370 sin->sin_len = sizeof(*sin); 7371 7372 inp = (struct sctp_inpcb *)so->so_pcb; 7373 if ((inp == NULL) || 7374 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7375 /* UDP type and listeners will drop out here */ 7376 SCTP_FREE_SONAME(sin); 7377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7378 return (ENOTCONN); 7379 } 7380 SCTP_INP_RLOCK(inp); 7381 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7382 if (stcb) { 7383 SCTP_TCB_LOCK(stcb); 7384 } 7385 SCTP_INP_RUNLOCK(inp); 7386 if (stcb == NULL) { 7387 SCTP_FREE_SONAME(sin); 7388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7389 return (ECONNRESET); 7390 } 7391 fnd = 0; 7392 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7393 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7394 if (sin_a->sin_family == AF_INET) { 7395 fnd = 1; 7396 sin->sin_port = stcb->rport; 7397 sin->sin_addr = sin_a->sin_addr; 7398 break; 7399 } 7400 } 7401 SCTP_TCB_UNLOCK(stcb); 7402 if (!fnd) { 7403 /* No IPv4 address */ 7404 SCTP_FREE_SONAME(sin); 7405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7406 return (ENOENT); 7407 } 7408 (*addr) = (struct sockaddr *)sin; 7409 return (0); 7410} 7411 7412struct pr_usrreqs sctp_usrreqs = { 7413 .pru_abort = sctp_abort, 7414 .pru_accept = sctp_accept, 7415 .pru_attach = sctp_attach, 7416 .pru_bind = sctp_bind, 7417 .pru_connect = sctp_connect, 7418 .pru_control = in_control, 7419 .pru_close = sctp_close, 7420 .pru_detach = sctp_close, 7421 .pru_sopoll = sopoll_generic, 7422 .pru_flush = sctp_flush, 7423 .pru_disconnect = sctp_disconnect, 7424 .pru_listen = sctp_listen, 7425 .pru_peeraddr = sctp_peeraddr, 7426 .pru_send = sctp_sendm, 7427 .pru_shutdown = sctp_shutdown, 7428 .pru_sockaddr = sctp_ingetaddr, 7429 .pru_sosend = sctp_sosend, 7430 .pru_soreceive = sctp_soreceive 7431}; 7432 7433#endif 7434