sctp_usrreq.c revision 294215
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 294215 2016-01-17 12:15:41Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 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 cnt = 0; 1887 SCTP_INP_RLOCK(inp); 1888 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1889 cnt++; 1890 } 1891 SCTP_INP_RUNLOCK(inp); 1892 *value = cnt; 1893 *optsize = sizeof(uint32_t); 1894 break; 1895 } 1896 case SCTP_GET_ASSOC_ID_LIST: 1897 { 1898 struct sctp_assoc_ids *ids; 1899 unsigned int at, limit; 1900 1901 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1902 at = 0; 1903 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1904 SCTP_INP_RLOCK(inp); 1905 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1906 if (at < limit) { 1907 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1908 } else { 1909 error = EINVAL; 1910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1911 break; 1912 } 1913 } 1914 SCTP_INP_RUNLOCK(inp); 1915 if (error == 0) { 1916 ids->gaids_number_of_ids = at; 1917 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1918 } 1919 break; 1920 } 1921 case SCTP_CONTEXT: 1922 { 1923 struct sctp_assoc_value *av; 1924 1925 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1926 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1927 1928 if (stcb) { 1929 av->assoc_value = stcb->asoc.context; 1930 SCTP_TCB_UNLOCK(stcb); 1931 } else { 1932 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1933 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1934 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1935 SCTP_INP_RLOCK(inp); 1936 av->assoc_value = inp->sctp_context; 1937 SCTP_INP_RUNLOCK(inp); 1938 } else { 1939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1940 error = EINVAL; 1941 } 1942 } 1943 if (error == 0) { 1944 *optsize = sizeof(struct sctp_assoc_value); 1945 } 1946 break; 1947 } 1948 case SCTP_VRF_ID: 1949 { 1950 uint32_t *default_vrfid; 1951 1952 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1953 *default_vrfid = inp->def_vrf_id; 1954 *optsize = sizeof(uint32_t); 1955 break; 1956 } 1957 case SCTP_GET_ASOC_VRF: 1958 { 1959 struct sctp_assoc_value *id; 1960 1961 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1962 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1963 if (stcb == NULL) { 1964 error = EINVAL; 1965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1966 } else { 1967 id->assoc_value = stcb->asoc.vrf_id; 1968 *optsize = sizeof(struct sctp_assoc_value); 1969 } 1970 break; 1971 } 1972 case SCTP_GET_VRF_IDS: 1973 { 1974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1975 error = EOPNOTSUPP; 1976 break; 1977 } 1978 case SCTP_GET_NONCE_VALUES: 1979 { 1980 struct sctp_get_nonce_values *gnv; 1981 1982 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1983 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1984 1985 if (stcb) { 1986 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1987 gnv->gn_local_tag = stcb->asoc.my_vtag; 1988 SCTP_TCB_UNLOCK(stcb); 1989 *optsize = sizeof(struct sctp_get_nonce_values); 1990 } else { 1991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1992 error = ENOTCONN; 1993 } 1994 break; 1995 } 1996 case SCTP_DELAYED_SACK: 1997 { 1998 struct sctp_sack_info *sack; 1999 2000 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2001 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2002 if (stcb) { 2003 sack->sack_delay = stcb->asoc.delayed_ack; 2004 sack->sack_freq = stcb->asoc.sack_freq; 2005 SCTP_TCB_UNLOCK(stcb); 2006 } else { 2007 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2008 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2009 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2010 SCTP_INP_RLOCK(inp); 2011 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2012 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2013 SCTP_INP_RUNLOCK(inp); 2014 } else { 2015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2016 error = EINVAL; 2017 } 2018 } 2019 if (error == 0) { 2020 *optsize = sizeof(struct sctp_sack_info); 2021 } 2022 break; 2023 } 2024 case SCTP_GET_SNDBUF_USE: 2025 { 2026 struct sctp_sockstat *ss; 2027 2028 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2029 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2030 2031 if (stcb) { 2032 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2033 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2034 stcb->asoc.size_on_all_streams); 2035 SCTP_TCB_UNLOCK(stcb); 2036 *optsize = sizeof(struct sctp_sockstat); 2037 } else { 2038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2039 error = ENOTCONN; 2040 } 2041 break; 2042 } 2043 case SCTP_MAX_BURST: 2044 { 2045 struct sctp_assoc_value *av; 2046 2047 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2048 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2049 2050 if (stcb) { 2051 av->assoc_value = stcb->asoc.max_burst; 2052 SCTP_TCB_UNLOCK(stcb); 2053 } else { 2054 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2055 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2056 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2057 SCTP_INP_RLOCK(inp); 2058 av->assoc_value = inp->sctp_ep.max_burst; 2059 SCTP_INP_RUNLOCK(inp); 2060 } else { 2061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2062 error = EINVAL; 2063 } 2064 } 2065 if (error == 0) { 2066 *optsize = sizeof(struct sctp_assoc_value); 2067 } 2068 break; 2069 } 2070 case SCTP_MAXSEG: 2071 { 2072 struct sctp_assoc_value *av; 2073 int ovh; 2074 2075 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2076 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2077 2078 if (stcb) { 2079 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2080 SCTP_TCB_UNLOCK(stcb); 2081 } else { 2082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2083 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2084 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2085 SCTP_INP_RLOCK(inp); 2086 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2087 ovh = SCTP_MED_OVERHEAD; 2088 } else { 2089 ovh = SCTP_MED_V4_OVERHEAD; 2090 } 2091 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2092 av->assoc_value = 0; 2093 else 2094 av->assoc_value = inp->sctp_frag_point - ovh; 2095 SCTP_INP_RUNLOCK(inp); 2096 } else { 2097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2098 error = EINVAL; 2099 } 2100 } 2101 if (error == 0) { 2102 *optsize = sizeof(struct sctp_assoc_value); 2103 } 2104 break; 2105 } 2106 case SCTP_GET_STAT_LOG: 2107 error = sctp_fill_stat_log(optval, optsize); 2108 break; 2109 case SCTP_EVENTS: 2110 { 2111 struct sctp_event_subscribe *events; 2112 2113 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2114 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2115 SCTP_INP_RLOCK(inp); 2116 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2117 events->sctp_data_io_event = 1; 2118 2119 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2120 events->sctp_association_event = 1; 2121 2122 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2123 events->sctp_address_event = 1; 2124 2125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2126 events->sctp_send_failure_event = 1; 2127 2128 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2129 events->sctp_peer_error_event = 1; 2130 2131 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2132 events->sctp_shutdown_event = 1; 2133 2134 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2135 events->sctp_partial_delivery_event = 1; 2136 2137 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2138 events->sctp_adaptation_layer_event = 1; 2139 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2141 events->sctp_authentication_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2144 events->sctp_sender_dry_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2147 events->sctp_stream_reset_event = 1; 2148 SCTP_INP_RUNLOCK(inp); 2149 *optsize = sizeof(struct sctp_event_subscribe); 2150 break; 2151 } 2152 case SCTP_ADAPTATION_LAYER: 2153 { 2154 uint32_t *value; 2155 2156 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2157 2158 SCTP_INP_RLOCK(inp); 2159 *value = inp->sctp_ep.adaptation_layer_indicator; 2160 SCTP_INP_RUNLOCK(inp); 2161 *optsize = sizeof(uint32_t); 2162 break; 2163 } 2164 case SCTP_SET_INITIAL_DBG_SEQ: 2165 { 2166 uint32_t *value; 2167 2168 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2169 SCTP_INP_RLOCK(inp); 2170 *value = inp->sctp_ep.initial_sequence_debug; 2171 SCTP_INP_RUNLOCK(inp); 2172 *optsize = sizeof(uint32_t); 2173 break; 2174 } 2175 case SCTP_GET_LOCAL_ADDR_SIZE: 2176 { 2177 uint32_t *value; 2178 2179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2180 SCTP_INP_RLOCK(inp); 2181 *value = sctp_count_max_addresses(inp); 2182 SCTP_INP_RUNLOCK(inp); 2183 *optsize = sizeof(uint32_t); 2184 break; 2185 } 2186 case SCTP_GET_REMOTE_ADDR_SIZE: 2187 { 2188 uint32_t *value; 2189 size_t size; 2190 struct sctp_nets *net; 2191 2192 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2193 /* FIXME MT: change to sctp_assoc_value? */ 2194 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2195 2196 if (stcb) { 2197 size = 0; 2198 /* Count the sizes */ 2199 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2200 switch (net->ro._l_addr.sa.sa_family) { 2201#ifdef INET 2202 case AF_INET: 2203#ifdef INET6 2204 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2205 size += sizeof(struct sockaddr_in6); 2206 } else { 2207 size += sizeof(struct sockaddr_in); 2208 } 2209#else 2210 size += sizeof(struct sockaddr_in); 2211#endif 2212 break; 2213#endif 2214#ifdef INET6 2215 case AF_INET6: 2216 size += sizeof(struct sockaddr_in6); 2217 break; 2218#endif 2219 default: 2220 break; 2221 } 2222 } 2223 SCTP_TCB_UNLOCK(stcb); 2224 *value = (uint32_t) size; 2225 *optsize = sizeof(uint32_t); 2226 } else { 2227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2228 error = ENOTCONN; 2229 } 2230 break; 2231 } 2232 case SCTP_GET_PEER_ADDRESSES: 2233 /* 2234 * Get the address information, an array is passed in to 2235 * fill up we pack it. 2236 */ 2237 { 2238 size_t cpsz, left; 2239 struct sockaddr_storage *sas; 2240 struct sctp_nets *net; 2241 struct sctp_getaddresses *saddr; 2242 2243 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2244 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2245 2246 if (stcb) { 2247 left = (*optsize) - sizeof(struct sctp_getaddresses); 2248 *optsize = sizeof(struct sctp_getaddresses); 2249 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2250 2251 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2252 switch (net->ro._l_addr.sa.sa_family) { 2253#ifdef INET 2254 case AF_INET: 2255#ifdef INET6 2256 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2257 cpsz = sizeof(struct sockaddr_in6); 2258 } else { 2259 cpsz = sizeof(struct sockaddr_in); 2260 } 2261#else 2262 cpsz = sizeof(struct sockaddr_in); 2263#endif 2264 break; 2265#endif 2266#ifdef INET6 2267 case AF_INET6: 2268 cpsz = sizeof(struct sockaddr_in6); 2269 break; 2270#endif 2271 default: 2272 cpsz = 0; 2273 break; 2274 } 2275 if (cpsz == 0) { 2276 break; 2277 } 2278 if (left < cpsz) { 2279 /* not enough room. */ 2280 break; 2281 } 2282#if defined(INET) && defined(INET6) 2283 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2284 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2285 /* Must map the address */ 2286 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2287 (struct sockaddr_in6 *)sas); 2288 } else { 2289 memcpy(sas, &net->ro._l_addr, cpsz); 2290 } 2291#else 2292 memcpy(sas, &net->ro._l_addr, cpsz); 2293#endif 2294 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2295 2296 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2297 left -= cpsz; 2298 *optsize += cpsz; 2299 } 2300 SCTP_TCB_UNLOCK(stcb); 2301 } else { 2302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2303 error = ENOENT; 2304 } 2305 break; 2306 } 2307 case SCTP_GET_LOCAL_ADDRESSES: 2308 { 2309 size_t limit, actual; 2310 struct sockaddr_storage *sas; 2311 struct sctp_getaddresses *saddr; 2312 2313 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2314 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2315 2316 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2317 limit = *optsize - sizeof(sctp_assoc_t); 2318 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2319 if (stcb) { 2320 SCTP_TCB_UNLOCK(stcb); 2321 } 2322 *optsize = sizeof(struct sockaddr_storage) + actual; 2323 break; 2324 } 2325 case SCTP_PEER_ADDR_PARAMS: 2326 { 2327 struct sctp_paddrparams *paddrp; 2328 struct sctp_nets *net; 2329 struct sockaddr *addr; 2330 2331#if defined(INET) && defined(INET6) 2332 struct sockaddr_in sin_store; 2333 2334#endif 2335 2336 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2337 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2338 2339#if defined(INET) && defined(INET6) 2340 if (paddrp->spp_address.ss_family == AF_INET6) { 2341 struct sockaddr_in6 *sin6; 2342 2343 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2344 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2345 in6_sin6_2_sin(&sin_store, sin6); 2346 addr = (struct sockaddr *)&sin_store; 2347 } else { 2348 addr = (struct sockaddr *)&paddrp->spp_address; 2349 } 2350 } else { 2351 addr = (struct sockaddr *)&paddrp->spp_address; 2352 } 2353#else 2354 addr = (struct sockaddr *)&paddrp->spp_address; 2355#endif 2356 if (stcb != NULL) { 2357 net = sctp_findnet(stcb, addr); 2358 } else { 2359 /* 2360 * We increment here since 2361 * sctp_findassociation_ep_addr() wil do a 2362 * decrement if it finds the stcb as long as 2363 * the locked tcb (last argument) is NOT a 2364 * TCB.. aka NULL. 2365 */ 2366 net = NULL; 2367 SCTP_INP_INCR_REF(inp); 2368 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2369 if (stcb == NULL) { 2370 SCTP_INP_DECR_REF(inp); 2371 } 2372 } 2373 if ((stcb != NULL) && (net == NULL)) { 2374#ifdef INET 2375 if (addr->sa_family == AF_INET) { 2376 struct sockaddr_in *sin; 2377 2378 sin = (struct sockaddr_in *)addr; 2379 if (sin->sin_addr.s_addr != INADDR_ANY) { 2380 error = EINVAL; 2381 SCTP_TCB_UNLOCK(stcb); 2382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2383 break; 2384 } 2385 } else 2386#endif 2387#ifdef INET6 2388 if (addr->sa_family == AF_INET6) { 2389 struct sockaddr_in6 *sin6; 2390 2391 sin6 = (struct sockaddr_in6 *)addr; 2392 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2393 error = EINVAL; 2394 SCTP_TCB_UNLOCK(stcb); 2395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2396 break; 2397 } 2398 } else 2399#endif 2400 { 2401 error = EAFNOSUPPORT; 2402 SCTP_TCB_UNLOCK(stcb); 2403 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2404 break; 2405 } 2406 } 2407 if (stcb != NULL) { 2408 /* Applies to the specific association */ 2409 paddrp->spp_flags = 0; 2410 if (net != NULL) { 2411 paddrp->spp_hbinterval = net->heart_beat_delay; 2412 paddrp->spp_pathmaxrxt = net->failure_threshold; 2413 paddrp->spp_pathmtu = net->mtu; 2414 switch (net->ro._l_addr.sa.sa_family) { 2415#ifdef INET 2416 case AF_INET: 2417 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2418 break; 2419#endif 2420#ifdef INET6 2421 case AF_INET6: 2422 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2423 break; 2424#endif 2425 default: 2426 break; 2427 } 2428 /* get flags for HB */ 2429 if (net->dest_state & SCTP_ADDR_NOHB) { 2430 paddrp->spp_flags |= SPP_HB_DISABLE; 2431 } else { 2432 paddrp->spp_flags |= SPP_HB_ENABLE; 2433 } 2434 /* get flags for PMTU */ 2435 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2436 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2437 } else { 2438 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2439 } 2440 if (net->dscp & 0x01) { 2441 paddrp->spp_dscp = net->dscp & 0xfc; 2442 paddrp->spp_flags |= SPP_DSCP; 2443 } 2444#ifdef INET6 2445 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2446 (net->flowlabel & 0x80000000)) { 2447 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2448 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2449 } 2450#endif 2451 } else { 2452 /* 2453 * No destination so return default 2454 * value 2455 */ 2456 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2457 paddrp->spp_pathmtu = 0; 2458 if (stcb->asoc.default_dscp & 0x01) { 2459 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2460 paddrp->spp_flags |= SPP_DSCP; 2461 } 2462#ifdef INET6 2463 if (stcb->asoc.default_flowlabel & 0x80000000) { 2464 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2465 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2466 } 2467#endif 2468 /* default settings should be these */ 2469 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2470 paddrp->spp_flags |= SPP_HB_DISABLE; 2471 } else { 2472 paddrp->spp_flags |= SPP_HB_ENABLE; 2473 } 2474 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2475 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2476 } else { 2477 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2478 } 2479 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2480 } 2481 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2482 SCTP_TCB_UNLOCK(stcb); 2483 } else { 2484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2486 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2487 /* Use endpoint defaults */ 2488 SCTP_INP_RLOCK(inp); 2489 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2490 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2491 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2492 /* get inp's default */ 2493 if (inp->sctp_ep.default_dscp & 0x01) { 2494 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2495 paddrp->spp_flags |= SPP_DSCP; 2496 } 2497#ifdef INET6 2498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2499 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2500 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2501 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2502 } 2503#endif 2504 /* can't return this */ 2505 paddrp->spp_pathmtu = 0; 2506 2507 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2508 paddrp->spp_flags |= SPP_HB_ENABLE; 2509 } else { 2510 paddrp->spp_flags |= SPP_HB_DISABLE; 2511 } 2512 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2513 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2514 } else { 2515 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2516 } 2517 SCTP_INP_RUNLOCK(inp); 2518 } else { 2519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2520 error = EINVAL; 2521 } 2522 } 2523 if (error == 0) { 2524 *optsize = sizeof(struct sctp_paddrparams); 2525 } 2526 break; 2527 } 2528 case SCTP_GET_PEER_ADDR_INFO: 2529 { 2530 struct sctp_paddrinfo *paddri; 2531 struct sctp_nets *net; 2532 struct sockaddr *addr; 2533 2534#if defined(INET) && defined(INET6) 2535 struct sockaddr_in sin_store; 2536 2537#endif 2538 2539 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2540 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2541 2542#if defined(INET) && defined(INET6) 2543 if (paddri->spinfo_address.ss_family == AF_INET6) { 2544 struct sockaddr_in6 *sin6; 2545 2546 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2547 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2548 in6_sin6_2_sin(&sin_store, sin6); 2549 addr = (struct sockaddr *)&sin_store; 2550 } else { 2551 addr = (struct sockaddr *)&paddri->spinfo_address; 2552 } 2553 } else { 2554 addr = (struct sockaddr *)&paddri->spinfo_address; 2555 } 2556#else 2557 addr = (struct sockaddr *)&paddri->spinfo_address; 2558#endif 2559 if (stcb != NULL) { 2560 net = sctp_findnet(stcb, addr); 2561 } else { 2562 /* 2563 * We increment here since 2564 * sctp_findassociation_ep_addr() wil do a 2565 * decrement if it finds the stcb as long as 2566 * the locked tcb (last argument) is NOT a 2567 * TCB.. aka NULL. 2568 */ 2569 net = NULL; 2570 SCTP_INP_INCR_REF(inp); 2571 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2572 if (stcb == NULL) { 2573 SCTP_INP_DECR_REF(inp); 2574 } 2575 } 2576 2577 if ((stcb != NULL) && (net != NULL)) { 2578 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2579 /* It's unconfirmed */ 2580 paddri->spinfo_state = SCTP_UNCONFIRMED; 2581 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2582 /* It's active */ 2583 paddri->spinfo_state = SCTP_ACTIVE; 2584 } else { 2585 /* It's inactive */ 2586 paddri->spinfo_state = SCTP_INACTIVE; 2587 } 2588 paddri->spinfo_cwnd = net->cwnd; 2589 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2590 paddri->spinfo_rto = net->RTO; 2591 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2592 paddri->spinfo_mtu = net->mtu; 2593 switch (addr->sa_family) { 2594#if defined(INET) 2595 case AF_INET: 2596 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2597 break; 2598#endif 2599#if defined(INET6) 2600 case AF_INET6: 2601 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2602 break; 2603#endif 2604 default: 2605 break; 2606 } 2607 SCTP_TCB_UNLOCK(stcb); 2608 *optsize = sizeof(struct sctp_paddrinfo); 2609 } else { 2610 if (stcb != NULL) { 2611 SCTP_TCB_UNLOCK(stcb); 2612 } 2613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2614 error = ENOENT; 2615 } 2616 break; 2617 } 2618 case SCTP_PCB_STATUS: 2619 { 2620 struct sctp_pcbinfo *spcb; 2621 2622 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2623 sctp_fill_pcbinfo(spcb); 2624 *optsize = sizeof(struct sctp_pcbinfo); 2625 break; 2626 } 2627 case SCTP_STATUS: 2628 { 2629 struct sctp_nets *net; 2630 struct sctp_status *sstat; 2631 2632 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2633 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2634 2635 if (stcb == NULL) { 2636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2637 error = EINVAL; 2638 break; 2639 } 2640 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2641 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2642 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2643 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2644 /* 2645 * We can't include chunks that have been passed to 2646 * the socket layer. Only things in queue. 2647 */ 2648 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2649 stcb->asoc.cnt_on_all_streams); 2650 2651 2652 sstat->sstat_instrms = stcb->asoc.streamincnt; 2653 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2654 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2655 memcpy(&sstat->sstat_primary.spinfo_address, 2656 &stcb->asoc.primary_destination->ro._l_addr, 2657 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2658 net = stcb->asoc.primary_destination; 2659 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2660 /* 2661 * Again the user can get info from sctp_constants.h 2662 * for what the state of the network is. 2663 */ 2664 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2665 /* It's unconfirmed */ 2666 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2667 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2668 /* It's active */ 2669 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2670 } else { 2671 /* It's inactive */ 2672 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2673 } 2674 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2675 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2676 sstat->sstat_primary.spinfo_rto = net->RTO; 2677 sstat->sstat_primary.spinfo_mtu = net->mtu; 2678 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2679#if defined(INET) 2680 case AF_INET: 2681 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2682 break; 2683#endif 2684#if defined(INET6) 2685 case AF_INET6: 2686 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2687 break; 2688#endif 2689 default: 2690 break; 2691 } 2692 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2693 SCTP_TCB_UNLOCK(stcb); 2694 *optsize = sizeof(struct sctp_status); 2695 break; 2696 } 2697 case SCTP_RTOINFO: 2698 { 2699 struct sctp_rtoinfo *srto; 2700 2701 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2702 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2703 2704 if (stcb) { 2705 srto->srto_initial = stcb->asoc.initial_rto; 2706 srto->srto_max = stcb->asoc.maxrto; 2707 srto->srto_min = stcb->asoc.minrto; 2708 SCTP_TCB_UNLOCK(stcb); 2709 } else { 2710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2712 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2713 SCTP_INP_RLOCK(inp); 2714 srto->srto_initial = inp->sctp_ep.initial_rto; 2715 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2716 srto->srto_min = inp->sctp_ep.sctp_minrto; 2717 SCTP_INP_RUNLOCK(inp); 2718 } else { 2719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2720 error = EINVAL; 2721 } 2722 } 2723 if (error == 0) { 2724 *optsize = sizeof(struct sctp_rtoinfo); 2725 } 2726 break; 2727 } 2728 case SCTP_TIMEOUTS: 2729 { 2730 struct sctp_timeouts *stimo; 2731 2732 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2733 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2734 2735 if (stcb) { 2736 stimo->stimo_init = stcb->asoc.timoinit; 2737 stimo->stimo_data = stcb->asoc.timodata; 2738 stimo->stimo_sack = stcb->asoc.timosack; 2739 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2740 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2741 stimo->stimo_cookie = stcb->asoc.timocookie; 2742 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2743 SCTP_TCB_UNLOCK(stcb); 2744 *optsize = sizeof(struct sctp_timeouts); 2745 } else { 2746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2747 error = EINVAL; 2748 } 2749 break; 2750 } 2751 case SCTP_ASSOCINFO: 2752 { 2753 struct sctp_assocparams *sasoc; 2754 2755 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2756 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2757 2758 if (stcb) { 2759 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2760 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2761 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2762 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2763 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2764 SCTP_TCB_UNLOCK(stcb); 2765 } else { 2766 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2767 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2768 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2769 SCTP_INP_RLOCK(inp); 2770 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2771 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2772 sasoc->sasoc_number_peer_destinations = 0; 2773 sasoc->sasoc_peer_rwnd = 0; 2774 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2775 SCTP_INP_RUNLOCK(inp); 2776 } else { 2777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2778 error = EINVAL; 2779 } 2780 } 2781 if (error == 0) { 2782 *optsize = sizeof(struct sctp_assocparams); 2783 } 2784 break; 2785 } 2786 case SCTP_DEFAULT_SEND_PARAM: 2787 { 2788 struct sctp_sndrcvinfo *s_info; 2789 2790 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2791 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2792 2793 if (stcb) { 2794 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2795 SCTP_TCB_UNLOCK(stcb); 2796 } else { 2797 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2798 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2799 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2800 SCTP_INP_RLOCK(inp); 2801 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2802 SCTP_INP_RUNLOCK(inp); 2803 } else { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 } 2807 } 2808 if (error == 0) { 2809 *optsize = sizeof(struct sctp_sndrcvinfo); 2810 } 2811 break; 2812 } 2813 case SCTP_INITMSG: 2814 { 2815 struct sctp_initmsg *sinit; 2816 2817 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2818 SCTP_INP_RLOCK(inp); 2819 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2820 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2821 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2822 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2823 SCTP_INP_RUNLOCK(inp); 2824 *optsize = sizeof(struct sctp_initmsg); 2825 break; 2826 } 2827 case SCTP_PRIMARY_ADDR: 2828 /* we allow a "get" operation on this */ 2829 { 2830 struct sctp_setprim *ssp; 2831 2832 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2834 2835 if (stcb) { 2836 union sctp_sockstore *addr; 2837 2838 addr = &stcb->asoc.primary_destination->ro._l_addr; 2839 switch (addr->sa.sa_family) { 2840#ifdef INET 2841 case AF_INET: 2842#ifdef INET6 2843 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2844 in6_sin_2_v4mapsin6(&addr->sin, 2845 (struct sockaddr_in6 *)&ssp->ssp_addr); 2846 } else { 2847 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2848 } 2849#else 2850 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2851#endif 2852 break; 2853#endif 2854#ifdef INET6 2855 case AF_INET6: 2856 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2857 break; 2858#endif 2859 default: 2860 break; 2861 } 2862 SCTP_TCB_UNLOCK(stcb); 2863 *optsize = sizeof(struct sctp_setprim); 2864 } else { 2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2866 error = EINVAL; 2867 } 2868 break; 2869 } 2870 case SCTP_HMAC_IDENT: 2871 { 2872 struct sctp_hmacalgo *shmac; 2873 sctp_hmaclist_t *hmaclist; 2874 uint32_t size; 2875 int i; 2876 2877 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2878 2879 SCTP_INP_RLOCK(inp); 2880 hmaclist = inp->sctp_ep.local_hmacs; 2881 if (hmaclist == NULL) { 2882 /* no HMACs to return */ 2883 *optsize = sizeof(*shmac); 2884 SCTP_INP_RUNLOCK(inp); 2885 break; 2886 } 2887 /* is there room for all of the hmac ids? */ 2888 size = sizeof(*shmac) + (hmaclist->num_algo * 2889 sizeof(shmac->shmac_idents[0])); 2890 if ((size_t)(*optsize) < size) { 2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892 error = EINVAL; 2893 SCTP_INP_RUNLOCK(inp); 2894 break; 2895 } 2896 /* copy in the list */ 2897 shmac->shmac_number_of_idents = hmaclist->num_algo; 2898 for (i = 0; i < hmaclist->num_algo; i++) { 2899 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2900 } 2901 SCTP_INP_RUNLOCK(inp); 2902 *optsize = size; 2903 break; 2904 } 2905 case SCTP_AUTH_ACTIVE_KEY: 2906 { 2907 struct sctp_authkeyid *scact; 2908 2909 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2910 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2911 2912 if (stcb) { 2913 /* get the active key on the assoc */ 2914 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2915 SCTP_TCB_UNLOCK(stcb); 2916 } else { 2917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2919 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2920 /* get the endpoint active key */ 2921 SCTP_INP_RLOCK(inp); 2922 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2923 SCTP_INP_RUNLOCK(inp); 2924 } else { 2925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2926 error = EINVAL; 2927 } 2928 } 2929 if (error == 0) { 2930 *optsize = sizeof(struct sctp_authkeyid); 2931 } 2932 break; 2933 } 2934 case SCTP_LOCAL_AUTH_CHUNKS: 2935 { 2936 struct sctp_authchunks *sac; 2937 sctp_auth_chklist_t *chklist = NULL; 2938 size_t size = 0; 2939 2940 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2941 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2942 2943 if (stcb) { 2944 /* get off the assoc */ 2945 chklist = stcb->asoc.local_auth_chunks; 2946 /* is there enough space? */ 2947 size = sctp_auth_get_chklist_size(chklist); 2948 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2949 error = EINVAL; 2950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2951 } else { 2952 /* copy in the chunks */ 2953 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2954 sac->gauth_number_of_chunks = (uint32_t) size; 2955 *optsize = sizeof(struct sctp_authchunks) + size; 2956 } 2957 SCTP_TCB_UNLOCK(stcb); 2958 } else { 2959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2961 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2962 /* get off the endpoint */ 2963 SCTP_INP_RLOCK(inp); 2964 chklist = inp->sctp_ep.local_auth_chunks; 2965 /* is there enough space? */ 2966 size = sctp_auth_get_chklist_size(chklist); 2967 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2968 error = EINVAL; 2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2970 } else { 2971 /* copy in the chunks */ 2972 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2973 sac->gauth_number_of_chunks = (uint32_t) size; 2974 *optsize = sizeof(struct sctp_authchunks) + size; 2975 } 2976 SCTP_INP_RUNLOCK(inp); 2977 } else { 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2979 error = EINVAL; 2980 } 2981 } 2982 break; 2983 } 2984 case SCTP_PEER_AUTH_CHUNKS: 2985 { 2986 struct sctp_authchunks *sac; 2987 sctp_auth_chklist_t *chklist = NULL; 2988 size_t size = 0; 2989 2990 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2991 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2992 2993 if (stcb) { 2994 /* get off the assoc */ 2995 chklist = stcb->asoc.peer_auth_chunks; 2996 /* is there enough space? */ 2997 size = sctp_auth_get_chklist_size(chklist); 2998 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2999 error = EINVAL; 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3001 } else { 3002 /* copy in the chunks */ 3003 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3004 sac->gauth_number_of_chunks = (uint32_t) size; 3005 *optsize = sizeof(struct sctp_authchunks) + size; 3006 } 3007 SCTP_TCB_UNLOCK(stcb); 3008 } else { 3009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3010 error = ENOENT; 3011 } 3012 break; 3013 } 3014 case SCTP_EVENT: 3015 { 3016 struct sctp_event *event; 3017 uint32_t event_type; 3018 3019 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3020 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3021 3022 switch (event->se_type) { 3023 case SCTP_ASSOC_CHANGE: 3024 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3025 break; 3026 case SCTP_PEER_ADDR_CHANGE: 3027 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3028 break; 3029 case SCTP_REMOTE_ERROR: 3030 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3031 break; 3032 case SCTP_SEND_FAILED: 3033 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3034 break; 3035 case SCTP_SHUTDOWN_EVENT: 3036 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3037 break; 3038 case SCTP_ADAPTATION_INDICATION: 3039 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3040 break; 3041 case SCTP_PARTIAL_DELIVERY_EVENT: 3042 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3043 break; 3044 case SCTP_AUTHENTICATION_EVENT: 3045 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3046 break; 3047 case SCTP_STREAM_RESET_EVENT: 3048 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3049 break; 3050 case SCTP_SENDER_DRY_EVENT: 3051 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3052 break; 3053 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3054 event_type = 0; 3055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3056 error = ENOTSUP; 3057 break; 3058 case SCTP_ASSOC_RESET_EVENT: 3059 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3060 break; 3061 case SCTP_STREAM_CHANGE_EVENT: 3062 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3063 break; 3064 case SCTP_SEND_FAILED_EVENT: 3065 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3066 break; 3067 default: 3068 event_type = 0; 3069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3070 error = EINVAL; 3071 break; 3072 } 3073 if (event_type > 0) { 3074 if (stcb) { 3075 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3076 SCTP_TCB_UNLOCK(stcb); 3077 } else { 3078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3080 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3081 SCTP_INP_RLOCK(inp); 3082 event->se_on = sctp_is_feature_on(inp, event_type); 3083 SCTP_INP_RUNLOCK(inp); 3084 } else { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } 3088 } 3089 } 3090 if (error == 0) { 3091 *optsize = sizeof(struct sctp_event); 3092 } 3093 break; 3094 } 3095 case SCTP_RECVRCVINFO: 3096 { 3097 int onoff; 3098 3099 if (*optsize < sizeof(int)) { 3100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3101 error = EINVAL; 3102 } else { 3103 SCTP_INP_RLOCK(inp); 3104 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3105 SCTP_INP_RUNLOCK(inp); 3106 } 3107 if (error == 0) { 3108 /* return the option value */ 3109 *(int *)optval = onoff; 3110 *optsize = sizeof(int); 3111 } 3112 break; 3113 } 3114 case SCTP_RECVNXTINFO: 3115 { 3116 int onoff; 3117 3118 if (*optsize < sizeof(int)) { 3119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3120 error = EINVAL; 3121 } else { 3122 SCTP_INP_RLOCK(inp); 3123 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3124 SCTP_INP_RUNLOCK(inp); 3125 } 3126 if (error == 0) { 3127 /* return the option value */ 3128 *(int *)optval = onoff; 3129 *optsize = sizeof(int); 3130 } 3131 break; 3132 } 3133 case SCTP_DEFAULT_SNDINFO: 3134 { 3135 struct sctp_sndinfo *info; 3136 3137 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3138 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3139 3140 if (stcb) { 3141 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3142 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3143 info->snd_flags &= 0xfff0; 3144 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3145 info->snd_context = stcb->asoc.def_send.sinfo_context; 3146 SCTP_TCB_UNLOCK(stcb); 3147 } else { 3148 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3150 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3151 SCTP_INP_RLOCK(inp); 3152 info->snd_sid = inp->def_send.sinfo_stream; 3153 info->snd_flags = inp->def_send.sinfo_flags; 3154 info->snd_flags &= 0xfff0; 3155 info->snd_ppid = inp->def_send.sinfo_ppid; 3156 info->snd_context = inp->def_send.sinfo_context; 3157 SCTP_INP_RUNLOCK(inp); 3158 } else { 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3160 error = EINVAL; 3161 } 3162 } 3163 if (error == 0) { 3164 *optsize = sizeof(struct sctp_sndinfo); 3165 } 3166 break; 3167 } 3168 case SCTP_DEFAULT_PRINFO: 3169 { 3170 struct sctp_default_prinfo *info; 3171 3172 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3173 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3174 3175 if (stcb) { 3176 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3177 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3178 SCTP_TCB_UNLOCK(stcb); 3179 } else { 3180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3182 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3183 SCTP_INP_RLOCK(inp); 3184 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3185 info->pr_value = inp->def_send.sinfo_timetolive; 3186 SCTP_INP_RUNLOCK(inp); 3187 } else { 3188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3189 error = EINVAL; 3190 } 3191 } 3192 if (error == 0) { 3193 *optsize = sizeof(struct sctp_default_prinfo); 3194 } 3195 break; 3196 } 3197 case SCTP_PEER_ADDR_THLDS: 3198 { 3199 struct sctp_paddrthlds *thlds; 3200 struct sctp_nets *net; 3201 struct sockaddr *addr; 3202 3203#if defined(INET) && defined(INET6) 3204 struct sockaddr_in sin_store; 3205 3206#endif 3207 3208 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3210 3211#if defined(INET) && defined(INET6) 3212 if (thlds->spt_address.ss_family == AF_INET6) { 3213 struct sockaddr_in6 *sin6; 3214 3215 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3216 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3217 in6_sin6_2_sin(&sin_store, sin6); 3218 addr = (struct sockaddr *)&sin_store; 3219 } else { 3220 addr = (struct sockaddr *)&thlds->spt_address; 3221 } 3222 } else { 3223 addr = (struct sockaddr *)&thlds->spt_address; 3224 } 3225#else 3226 addr = (struct sockaddr *)&thlds->spt_address; 3227#endif 3228 if (stcb != NULL) { 3229 net = sctp_findnet(stcb, addr); 3230 } else { 3231 /* 3232 * We increment here since 3233 * sctp_findassociation_ep_addr() wil do a 3234 * decrement if it finds the stcb as long as 3235 * the locked tcb (last argument) is NOT a 3236 * TCB.. aka NULL. 3237 */ 3238 net = NULL; 3239 SCTP_INP_INCR_REF(inp); 3240 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3241 if (stcb == NULL) { 3242 SCTP_INP_DECR_REF(inp); 3243 } 3244 } 3245 if ((stcb != NULL) && (net == NULL)) { 3246#ifdef INET 3247 if (addr->sa_family == AF_INET) { 3248 struct sockaddr_in *sin; 3249 3250 sin = (struct sockaddr_in *)addr; 3251 if (sin->sin_addr.s_addr != INADDR_ANY) { 3252 error = EINVAL; 3253 SCTP_TCB_UNLOCK(stcb); 3254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3255 break; 3256 } 3257 } else 3258#endif 3259#ifdef INET6 3260 if (addr->sa_family == AF_INET6) { 3261 struct sockaddr_in6 *sin6; 3262 3263 sin6 = (struct sockaddr_in6 *)addr; 3264 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3265 error = EINVAL; 3266 SCTP_TCB_UNLOCK(stcb); 3267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3268 break; 3269 } 3270 } else 3271#endif 3272 { 3273 error = EAFNOSUPPORT; 3274 SCTP_TCB_UNLOCK(stcb); 3275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3276 break; 3277 } 3278 } 3279 if (stcb != NULL) { 3280 if (net != NULL) { 3281 thlds->spt_pathmaxrxt = net->failure_threshold; 3282 thlds->spt_pathpfthld = net->pf_threshold; 3283 } else { 3284 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3285 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3286 } 3287 thlds->spt_assoc_id = sctp_get_associd(stcb); 3288 SCTP_TCB_UNLOCK(stcb); 3289 } else { 3290 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3291 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3292 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3293 /* Use endpoint defaults */ 3294 SCTP_INP_RLOCK(inp); 3295 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3296 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 3314#if defined(INET) && defined(INET6) 3315 struct sockaddr_in sin_store; 3316 3317#endif 3318 3319 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3320 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3321 3322#if defined(INET) && defined(INET6) 3323 if (encaps->sue_address.ss_family == AF_INET6) { 3324 struct sockaddr_in6 *sin6; 3325 3326 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3328 in6_sin6_2_sin(&sin_store, sin6); 3329 addr = (struct sockaddr *)&sin_store; 3330 } else { 3331 addr = (struct sockaddr *)&encaps->sue_address; 3332 } 3333 } else { 3334 addr = (struct sockaddr *)&encaps->sue_address; 3335 } 3336#else 3337 addr = (struct sockaddr *)&encaps->sue_address; 3338#endif 3339 if (stcb) { 3340 net = sctp_findnet(stcb, addr); 3341 } else { 3342 /* 3343 * We increment here since 3344 * sctp_findassociation_ep_addr() wil do a 3345 * decrement if it finds the stcb as long as 3346 * the locked tcb (last argument) is NOT a 3347 * TCB.. aka NULL. 3348 */ 3349 net = NULL; 3350 SCTP_INP_INCR_REF(inp); 3351 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3352 if (stcb == NULL) { 3353 SCTP_INP_DECR_REF(inp); 3354 } 3355 } 3356 if ((stcb != NULL) && (net == NULL)) { 3357#ifdef INET 3358 if (addr->sa_family == AF_INET) { 3359 struct sockaddr_in *sin; 3360 3361 sin = (struct sockaddr_in *)addr; 3362 if (sin->sin_addr.s_addr != INADDR_ANY) { 3363 error = EINVAL; 3364 SCTP_TCB_UNLOCK(stcb); 3365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3366 break; 3367 } 3368 } else 3369#endif 3370#ifdef INET6 3371 if (addr->sa_family == AF_INET6) { 3372 struct sockaddr_in6 *sin6; 3373 3374 sin6 = (struct sockaddr_in6 *)addr; 3375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3376 error = EINVAL; 3377 SCTP_TCB_UNLOCK(stcb); 3378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3379 break; 3380 } 3381 } else 3382#endif 3383 { 3384 error = EAFNOSUPPORT; 3385 SCTP_TCB_UNLOCK(stcb); 3386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3387 break; 3388 } 3389 } 3390 if (stcb != NULL) { 3391 if (net) { 3392 encaps->sue_port = net->port; 3393 } else { 3394 encaps->sue_port = stcb->asoc.port; 3395 } 3396 SCTP_TCB_UNLOCK(stcb); 3397 } else { 3398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3400 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3401 SCTP_INP_RLOCK(inp); 3402 encaps->sue_port = inp->sctp_ep.port; 3403 SCTP_INP_RUNLOCK(inp); 3404 } else { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 error = EINVAL; 3407 } 3408 } 3409 if (error == 0) { 3410 *optsize = sizeof(struct sctp_udpencaps); 3411 } 3412 break; 3413 } 3414 case SCTP_ECN_SUPPORTED: 3415 { 3416 struct sctp_assoc_value *av; 3417 3418 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3419 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3420 3421 if (stcb) { 3422 av->assoc_value = stcb->asoc.ecn_supported; 3423 SCTP_TCB_UNLOCK(stcb); 3424 } else { 3425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3427 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3428 SCTP_INP_RLOCK(inp); 3429 av->assoc_value = inp->ecn_supported; 3430 SCTP_INP_RUNLOCK(inp); 3431 } else { 3432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3433 error = EINVAL; 3434 } 3435 } 3436 if (error == 0) { 3437 *optsize = sizeof(struct sctp_assoc_value); 3438 } 3439 break; 3440 } 3441 case SCTP_PR_SUPPORTED: 3442 { 3443 struct sctp_assoc_value *av; 3444 3445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3447 3448 if (stcb) { 3449 av->assoc_value = stcb->asoc.prsctp_supported; 3450 SCTP_TCB_UNLOCK(stcb); 3451 } else { 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3454 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3455 SCTP_INP_RLOCK(inp); 3456 av->assoc_value = inp->prsctp_supported; 3457 SCTP_INP_RUNLOCK(inp); 3458 } else { 3459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3460 error = EINVAL; 3461 } 3462 } 3463 if (error == 0) { 3464 *optsize = sizeof(struct sctp_assoc_value); 3465 } 3466 break; 3467 } 3468 case SCTP_AUTH_SUPPORTED: 3469 { 3470 struct sctp_assoc_value *av; 3471 3472 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3473 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3474 3475 if (stcb) { 3476 av->assoc_value = stcb->asoc.auth_supported; 3477 SCTP_TCB_UNLOCK(stcb); 3478 } else { 3479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3481 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3482 SCTP_INP_RLOCK(inp); 3483 av->assoc_value = inp->auth_supported; 3484 SCTP_INP_RUNLOCK(inp); 3485 } else { 3486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3487 error = EINVAL; 3488 } 3489 } 3490 if (error == 0) { 3491 *optsize = sizeof(struct sctp_assoc_value); 3492 } 3493 break; 3494 } 3495 case SCTP_ASCONF_SUPPORTED: 3496 { 3497 struct sctp_assoc_value *av; 3498 3499 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3500 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3501 3502 if (stcb) { 3503 av->assoc_value = stcb->asoc.asconf_supported; 3504 SCTP_TCB_UNLOCK(stcb); 3505 } else { 3506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3508 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3509 SCTP_INP_RLOCK(inp); 3510 av->assoc_value = inp->asconf_supported; 3511 SCTP_INP_RUNLOCK(inp); 3512 } else { 3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3514 error = EINVAL; 3515 } 3516 } 3517 if (error == 0) { 3518 *optsize = sizeof(struct sctp_assoc_value); 3519 } 3520 break; 3521 } 3522 case SCTP_RECONFIG_SUPPORTED: 3523 { 3524 struct sctp_assoc_value *av; 3525 3526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3528 3529 if (stcb) { 3530 av->assoc_value = stcb->asoc.reconfig_supported; 3531 SCTP_TCB_UNLOCK(stcb); 3532 } else { 3533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3535 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3536 SCTP_INP_RLOCK(inp); 3537 av->assoc_value = inp->reconfig_supported; 3538 SCTP_INP_RUNLOCK(inp); 3539 } else { 3540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3541 error = EINVAL; 3542 } 3543 } 3544 if (error == 0) { 3545 *optsize = sizeof(struct sctp_assoc_value); 3546 } 3547 break; 3548 } 3549 case SCTP_NRSACK_SUPPORTED: 3550 { 3551 struct sctp_assoc_value *av; 3552 3553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3555 3556 if (stcb) { 3557 av->assoc_value = stcb->asoc.nrsack_supported; 3558 SCTP_TCB_UNLOCK(stcb); 3559 } else { 3560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3561 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3562 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3563 SCTP_INP_RLOCK(inp); 3564 av->assoc_value = inp->nrsack_supported; 3565 SCTP_INP_RUNLOCK(inp); 3566 } else { 3567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3568 error = EINVAL; 3569 } 3570 } 3571 if (error == 0) { 3572 *optsize = sizeof(struct sctp_assoc_value); 3573 } 3574 break; 3575 } 3576 case SCTP_PKTDROP_SUPPORTED: 3577 { 3578 struct sctp_assoc_value *av; 3579 3580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3582 3583 if (stcb) { 3584 av->assoc_value = stcb->asoc.pktdrop_supported; 3585 SCTP_TCB_UNLOCK(stcb); 3586 } else { 3587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3589 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3590 SCTP_INP_RLOCK(inp); 3591 av->assoc_value = inp->pktdrop_supported; 3592 SCTP_INP_RUNLOCK(inp); 3593 } else { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 } 3597 } 3598 if (error == 0) { 3599 *optsize = sizeof(struct sctp_assoc_value); 3600 } 3601 break; 3602 } 3603 case SCTP_ENABLE_STREAM_RESET: 3604 { 3605 struct sctp_assoc_value *av; 3606 3607 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3608 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3609 3610 if (stcb) { 3611 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3612 SCTP_TCB_UNLOCK(stcb); 3613 } else { 3614 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3615 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3616 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3617 SCTP_INP_RLOCK(inp); 3618 av->assoc_value = (uint32_t) inp->local_strreset_support; 3619 SCTP_INP_RUNLOCK(inp); 3620 } else { 3621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3622 error = EINVAL; 3623 } 3624 } 3625 if (error == 0) { 3626 *optsize = sizeof(struct sctp_assoc_value); 3627 } 3628 break; 3629 } 3630 case SCTP_PR_STREAM_STATUS: 3631 { 3632 struct sctp_prstatus *sprstat; 3633 uint16_t sid; 3634 uint16_t policy; 3635 3636 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3637 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3638 3639 sid = sprstat->sprstat_sid; 3640 policy = sprstat->sprstat_policy; 3641#if defined(SCTP_DETAILED_STR_STATS) 3642 if ((stcb != NULL) && 3643 (sid < stcb->asoc.streamoutcnt) && 3644 (policy != SCTP_PR_SCTP_NONE) && 3645 ((policy <= SCTP_PR_SCTP_MAX) || 3646 (policy == SCTP_PR_SCTP_ALL))) { 3647 if (policy == SCTP_PR_SCTP_ALL) { 3648 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3649 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3650 } else { 3651 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3652 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3653 } 3654#else 3655 if ((stcb != NULL) && 3656 (sid < stcb->asoc.streamoutcnt) && 3657 (policy == SCTP_PR_SCTP_ALL)) { 3658 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3659 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3660#endif 3661 SCTP_TCB_UNLOCK(stcb); 3662 *optsize = sizeof(struct sctp_prstatus); 3663 } else { 3664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3665 error = EINVAL; 3666 } 3667 break; 3668 } 3669 case SCTP_PR_ASSOC_STATUS: 3670 { 3671 struct sctp_prstatus *sprstat; 3672 uint16_t policy; 3673 3674 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3675 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3676 3677 policy = sprstat->sprstat_policy; 3678 if ((stcb != NULL) && 3679 (policy != SCTP_PR_SCTP_NONE) && 3680 ((policy <= SCTP_PR_SCTP_MAX) || 3681 (policy == SCTP_PR_SCTP_ALL))) { 3682 if (policy == SCTP_PR_SCTP_ALL) { 3683 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3684 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3685 } else { 3686 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3687 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3688 } 3689 SCTP_TCB_UNLOCK(stcb); 3690 *optsize = sizeof(struct sctp_prstatus); 3691 } else { 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 break; 3696 } 3697 case SCTP_MAX_CWND: 3698 { 3699 struct sctp_assoc_value *av; 3700 3701 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3702 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3703 3704 if (stcb) { 3705 av->assoc_value = stcb->asoc.max_cwnd; 3706 SCTP_TCB_UNLOCK(stcb); 3707 } else { 3708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3710 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3711 SCTP_INP_RLOCK(inp); 3712 av->assoc_value = inp->max_cwnd; 3713 SCTP_INP_RUNLOCK(inp); 3714 } else { 3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3716 error = EINVAL; 3717 } 3718 } 3719 if (error == 0) { 3720 *optsize = sizeof(struct sctp_assoc_value); 3721 } 3722 break; 3723 } 3724 default: 3725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3726 error = ENOPROTOOPT; 3727 break; 3728 } /* end switch (sopt->sopt_name) */ 3729 if (error) { 3730 *optsize = 0; 3731 } 3732 return (error); 3733} 3734 3735static int 3736sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3737 void *p) 3738{ 3739 int error, set_opt; 3740 uint32_t *mopt; 3741 struct sctp_tcb *stcb = NULL; 3742 struct sctp_inpcb *inp = NULL; 3743 uint32_t vrf_id; 3744 3745 if (optval == NULL) { 3746 SCTP_PRINTF("optval is NULL\n"); 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3748 return (EINVAL); 3749 } 3750 inp = (struct sctp_inpcb *)so->so_pcb; 3751 if (inp == NULL) { 3752 SCTP_PRINTF("inp is NULL?\n"); 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 vrf_id = inp->def_vrf_id; 3757 3758 error = 0; 3759 switch (optname) { 3760 case SCTP_NODELAY: 3761 case SCTP_AUTOCLOSE: 3762 case SCTP_AUTO_ASCONF: 3763 case SCTP_EXPLICIT_EOR: 3764 case SCTP_DISABLE_FRAGMENTS: 3765 case SCTP_USE_EXT_RCVINFO: 3766 case SCTP_I_WANT_MAPPED_V4_ADDR: 3767 /* copy in the option value */ 3768 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3769 set_opt = 0; 3770 if (error) 3771 break; 3772 switch (optname) { 3773 case SCTP_DISABLE_FRAGMENTS: 3774 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3775 break; 3776 case SCTP_AUTO_ASCONF: 3777 /* 3778 * NOTE: we don't really support this flag 3779 */ 3780 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3781 /* only valid for bound all sockets */ 3782 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3783 (*mopt != 0)) { 3784 /* forbidden by admin */ 3785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3786 return (EPERM); 3787 } 3788 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3789 } else { 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3791 return (EINVAL); 3792 } 3793 break; 3794 case SCTP_EXPLICIT_EOR: 3795 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3796 break; 3797 case SCTP_USE_EXT_RCVINFO: 3798 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3799 break; 3800 case SCTP_I_WANT_MAPPED_V4_ADDR: 3801 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3802 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3803 } else { 3804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3805 return (EINVAL); 3806 } 3807 break; 3808 case SCTP_NODELAY: 3809 set_opt = SCTP_PCB_FLAGS_NODELAY; 3810 break; 3811 case SCTP_AUTOCLOSE: 3812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3813 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3815 return (EINVAL); 3816 } 3817 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3818 /* 3819 * The value is in ticks. Note this does not effect 3820 * old associations, only new ones. 3821 */ 3822 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3823 break; 3824 } 3825 SCTP_INP_WLOCK(inp); 3826 if (*mopt != 0) { 3827 sctp_feature_on(inp, set_opt); 3828 } else { 3829 sctp_feature_off(inp, set_opt); 3830 } 3831 SCTP_INP_WUNLOCK(inp); 3832 break; 3833 case SCTP_REUSE_PORT: 3834 { 3835 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3836 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3837 /* Can't set it after we are bound */ 3838 error = EINVAL; 3839 break; 3840 } 3841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3842 /* Can't do this for a 1-m socket */ 3843 error = EINVAL; 3844 break; 3845 } 3846 if (optval) 3847 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3848 else 3849 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3850 break; 3851 } 3852 case SCTP_PARTIAL_DELIVERY_POINT: 3853 { 3854 uint32_t *value; 3855 3856 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3857 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3859 error = EINVAL; 3860 break; 3861 } 3862 inp->partial_delivery_point = *value; 3863 break; 3864 } 3865 case SCTP_FRAGMENT_INTERLEAVE: 3866 /* not yet until we re-write sctp_recvmsg() */ 3867 { 3868 uint32_t *level; 3869 3870 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3871 if (*level == SCTP_FRAG_LEVEL_2) { 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3873 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3874 } else if (*level == SCTP_FRAG_LEVEL_1) { 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3877 } else if (*level == SCTP_FRAG_LEVEL_0) { 3878 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3879 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3880 3881 } else { 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3883 error = EINVAL; 3884 } 3885 break; 3886 } 3887 case SCTP_CMT_ON_OFF: 3888 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3889 struct sctp_assoc_value *av; 3890 3891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3892 if (av->assoc_value > SCTP_CMT_MAX) { 3893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3894 error = EINVAL; 3895 break; 3896 } 3897 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3898 if (stcb) { 3899 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3900 SCTP_TCB_UNLOCK(stcb); 3901 } else { 3902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3904 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3905 (av->assoc_id == SCTP_ALL_ASSOC)) { 3906 SCTP_INP_WLOCK(inp); 3907 inp->sctp_cmt_on_off = av->assoc_value; 3908 SCTP_INP_WUNLOCK(inp); 3909 } 3910 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3911 (av->assoc_id == SCTP_ALL_ASSOC)) { 3912 SCTP_INP_RLOCK(inp); 3913 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3914 SCTP_TCB_LOCK(stcb); 3915 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3916 SCTP_TCB_UNLOCK(stcb); 3917 } 3918 SCTP_INP_RUNLOCK(inp); 3919 } 3920 } 3921 } else { 3922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3923 error = ENOPROTOOPT; 3924 } 3925 break; 3926 case SCTP_PLUGGABLE_CC: 3927 { 3928 struct sctp_assoc_value *av; 3929 struct sctp_nets *net; 3930 3931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3932 if ((av->assoc_value != SCTP_CC_RFC2581) && 3933 (av->assoc_value != SCTP_CC_HSTCP) && 3934 (av->assoc_value != SCTP_CC_HTCP) && 3935 (av->assoc_value != SCTP_CC_RTCC)) { 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3937 error = EINVAL; 3938 break; 3939 } 3940 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3941 if (stcb) { 3942 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3943 stcb->asoc.congestion_control_module = av->assoc_value; 3944 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3945 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3946 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3947 } 3948 } 3949 SCTP_TCB_UNLOCK(stcb); 3950 } else { 3951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3952 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3953 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3954 (av->assoc_id == SCTP_ALL_ASSOC)) { 3955 SCTP_INP_WLOCK(inp); 3956 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3957 SCTP_INP_WUNLOCK(inp); 3958 } 3959 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3960 (av->assoc_id == SCTP_ALL_ASSOC)) { 3961 SCTP_INP_RLOCK(inp); 3962 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3963 SCTP_TCB_LOCK(stcb); 3964 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3965 stcb->asoc.congestion_control_module = av->assoc_value; 3966 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3967 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3968 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3969 } 3970 } 3971 SCTP_TCB_UNLOCK(stcb); 3972 } 3973 SCTP_INP_RUNLOCK(inp); 3974 } 3975 } 3976 break; 3977 } 3978 case SCTP_CC_OPTION: 3979 { 3980 struct sctp_cc_option *cc_opt; 3981 3982 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3983 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3984 if (stcb == NULL) { 3985 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3986 SCTP_INP_RLOCK(inp); 3987 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3988 SCTP_TCB_LOCK(stcb); 3989 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3990 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3991 } 3992 SCTP_TCB_UNLOCK(stcb); 3993 } 3994 SCTP_INP_RUNLOCK(inp); 3995 } else { 3996 error = EINVAL; 3997 } 3998 } else { 3999 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4000 error = ENOTSUP; 4001 } else { 4002 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4003 cc_opt); 4004 } 4005 SCTP_TCB_UNLOCK(stcb); 4006 } 4007 break; 4008 } 4009 case SCTP_PLUGGABLE_SS: 4010 { 4011 struct sctp_assoc_value *av; 4012 4013 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4014 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4015 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4016 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4017 (av->assoc_value != SCTP_SS_PRIORITY) && 4018 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4019 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4021 error = EINVAL; 4022 break; 4023 } 4024 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4025 if (stcb) { 4026 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4027 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4028 stcb->asoc.stream_scheduling_module = av->assoc_value; 4029 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4030 SCTP_TCB_UNLOCK(stcb); 4031 } else { 4032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4034 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4035 (av->assoc_id == SCTP_ALL_ASSOC)) { 4036 SCTP_INP_WLOCK(inp); 4037 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4038 SCTP_INP_WUNLOCK(inp); 4039 } 4040 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4041 (av->assoc_id == SCTP_ALL_ASSOC)) { 4042 SCTP_INP_RLOCK(inp); 4043 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4044 SCTP_TCB_LOCK(stcb); 4045 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4046 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4047 stcb->asoc.stream_scheduling_module = av->assoc_value; 4048 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4049 SCTP_TCB_UNLOCK(stcb); 4050 } 4051 SCTP_INP_RUNLOCK(inp); 4052 } 4053 } 4054 break; 4055 } 4056 case SCTP_SS_VALUE: 4057 { 4058 struct sctp_stream_value *av; 4059 4060 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4061 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4062 if (stcb) { 4063 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4064 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4065 av->stream_value) < 0)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 } 4069 SCTP_TCB_UNLOCK(stcb); 4070 } else { 4071 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4072 SCTP_INP_RLOCK(inp); 4073 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4074 SCTP_TCB_LOCK(stcb); 4075 if (av->stream_id < stcb->asoc.streamoutcnt) { 4076 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4077 &stcb->asoc, 4078 &stcb->asoc.strmout[av->stream_id], 4079 av->stream_value); 4080 } 4081 SCTP_TCB_UNLOCK(stcb); 4082 } 4083 SCTP_INP_RUNLOCK(inp); 4084 } else { 4085 /* 4086 * Can't set stream value without 4087 * association 4088 */ 4089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4090 error = EINVAL; 4091 } 4092 } 4093 break; 4094 } 4095 case SCTP_CLR_STAT_LOG: 4096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4097 error = EOPNOTSUPP; 4098 break; 4099 case SCTP_CONTEXT: 4100 { 4101 struct sctp_assoc_value *av; 4102 4103 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4104 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4105 4106 if (stcb) { 4107 stcb->asoc.context = av->assoc_value; 4108 SCTP_TCB_UNLOCK(stcb); 4109 } else { 4110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4111 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4112 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4113 (av->assoc_id == SCTP_ALL_ASSOC)) { 4114 SCTP_INP_WLOCK(inp); 4115 inp->sctp_context = av->assoc_value; 4116 SCTP_INP_WUNLOCK(inp); 4117 } 4118 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4119 (av->assoc_id == SCTP_ALL_ASSOC)) { 4120 SCTP_INP_RLOCK(inp); 4121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4122 SCTP_TCB_LOCK(stcb); 4123 stcb->asoc.context = av->assoc_value; 4124 SCTP_TCB_UNLOCK(stcb); 4125 } 4126 SCTP_INP_RUNLOCK(inp); 4127 } 4128 } 4129 break; 4130 } 4131 case SCTP_VRF_ID: 4132 { 4133 uint32_t *default_vrfid; 4134 4135 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4136 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4138 error = EINVAL; 4139 break; 4140 } 4141 inp->def_vrf_id = *default_vrfid; 4142 break; 4143 } 4144 case SCTP_DEL_VRF_ID: 4145 { 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4147 error = EOPNOTSUPP; 4148 break; 4149 } 4150 case SCTP_ADD_VRF_ID: 4151 { 4152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4153 error = EOPNOTSUPP; 4154 break; 4155 } 4156 case SCTP_DELAYED_SACK: 4157 { 4158 struct sctp_sack_info *sack; 4159 4160 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4161 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4162 if (sack->sack_delay) { 4163 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4164 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4165 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4166 sack->sack_delay = TICKS_TO_MSEC(1); 4167 } 4168 } 4169 if (stcb) { 4170 if (sack->sack_delay) { 4171 stcb->asoc.delayed_ack = sack->sack_delay; 4172 } 4173 if (sack->sack_freq) { 4174 stcb->asoc.sack_freq = sack->sack_freq; 4175 } 4176 SCTP_TCB_UNLOCK(stcb); 4177 } else { 4178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4180 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4181 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4182 SCTP_INP_WLOCK(inp); 4183 if (sack->sack_delay) { 4184 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4185 } 4186 if (sack->sack_freq) { 4187 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4188 } 4189 SCTP_INP_WUNLOCK(inp); 4190 } 4191 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4192 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4193 SCTP_INP_RLOCK(inp); 4194 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4195 SCTP_TCB_LOCK(stcb); 4196 if (sack->sack_delay) { 4197 stcb->asoc.delayed_ack = sack->sack_delay; 4198 } 4199 if (sack->sack_freq) { 4200 stcb->asoc.sack_freq = sack->sack_freq; 4201 } 4202 SCTP_TCB_UNLOCK(stcb); 4203 } 4204 SCTP_INP_RUNLOCK(inp); 4205 } 4206 } 4207 break; 4208 } 4209 case SCTP_AUTH_CHUNK: 4210 { 4211 struct sctp_authchunk *sauth; 4212 4213 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4214 4215 SCTP_INP_WLOCK(inp); 4216 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4218 error = EINVAL; 4219 } 4220 SCTP_INP_WUNLOCK(inp); 4221 break; 4222 } 4223 case SCTP_AUTH_KEY: 4224 { 4225 struct sctp_authkey *sca; 4226 struct sctp_keyhead *shared_keys; 4227 sctp_sharedkey_t *shared_key; 4228 sctp_key_t *key = NULL; 4229 size_t size; 4230 4231 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4232 if (sca->sca_keylength == 0) { 4233 size = optsize - sizeof(struct sctp_authkey); 4234 } else { 4235 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4236 size = sca->sca_keylength; 4237 } else { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4239 error = EINVAL; 4240 break; 4241 } 4242 } 4243 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4244 4245 if (stcb) { 4246 shared_keys = &stcb->asoc.shared_keys; 4247 /* clear the cached keys for this key id */ 4248 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4249 /* 4250 * create the new shared key and 4251 * insert/replace it 4252 */ 4253 if (size > 0) { 4254 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4255 if (key == NULL) { 4256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4257 error = ENOMEM; 4258 SCTP_TCB_UNLOCK(stcb); 4259 break; 4260 } 4261 } 4262 shared_key = sctp_alloc_sharedkey(); 4263 if (shared_key == NULL) { 4264 sctp_free_key(key); 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4266 error = ENOMEM; 4267 SCTP_TCB_UNLOCK(stcb); 4268 break; 4269 } 4270 shared_key->key = key; 4271 shared_key->keyid = sca->sca_keynumber; 4272 error = sctp_insert_sharedkey(shared_keys, shared_key); 4273 SCTP_TCB_UNLOCK(stcb); 4274 } else { 4275 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4276 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4277 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4278 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4279 SCTP_INP_WLOCK(inp); 4280 shared_keys = &inp->sctp_ep.shared_keys; 4281 /* 4282 * clear the cached keys on all 4283 * assocs for this key id 4284 */ 4285 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4286 /* 4287 * create the new shared key and 4288 * insert/replace it 4289 */ 4290 if (size > 0) { 4291 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4292 if (key == NULL) { 4293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4294 error = ENOMEM; 4295 SCTP_INP_WUNLOCK(inp); 4296 break; 4297 } 4298 } 4299 shared_key = sctp_alloc_sharedkey(); 4300 if (shared_key == NULL) { 4301 sctp_free_key(key); 4302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4303 error = ENOMEM; 4304 SCTP_INP_WUNLOCK(inp); 4305 break; 4306 } 4307 shared_key->key = key; 4308 shared_key->keyid = sca->sca_keynumber; 4309 error = sctp_insert_sharedkey(shared_keys, shared_key); 4310 SCTP_INP_WUNLOCK(inp); 4311 } 4312 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4313 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4314 SCTP_INP_RLOCK(inp); 4315 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4316 SCTP_TCB_LOCK(stcb); 4317 shared_keys = &stcb->asoc.shared_keys; 4318 /* 4319 * clear the cached keys for 4320 * this key id 4321 */ 4322 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4323 /* 4324 * create the new shared key 4325 * and insert/replace it 4326 */ 4327 if (size > 0) { 4328 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4329 if (key == NULL) { 4330 SCTP_TCB_UNLOCK(stcb); 4331 continue; 4332 } 4333 } 4334 shared_key = sctp_alloc_sharedkey(); 4335 if (shared_key == NULL) { 4336 sctp_free_key(key); 4337 SCTP_TCB_UNLOCK(stcb); 4338 continue; 4339 } 4340 shared_key->key = key; 4341 shared_key->keyid = sca->sca_keynumber; 4342 error = sctp_insert_sharedkey(shared_keys, shared_key); 4343 SCTP_TCB_UNLOCK(stcb); 4344 } 4345 SCTP_INP_RUNLOCK(inp); 4346 } 4347 } 4348 break; 4349 } 4350 case SCTP_HMAC_IDENT: 4351 { 4352 struct sctp_hmacalgo *shmac; 4353 sctp_hmaclist_t *hmaclist; 4354 uint16_t hmacid; 4355 uint32_t i; 4356 4357 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4358 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4359 (shmac->shmac_number_of_idents > 0xffff)) { 4360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4361 error = EINVAL; 4362 break; 4363 } 4364 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4365 if (hmaclist == NULL) { 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4367 error = ENOMEM; 4368 break; 4369 } 4370 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4371 hmacid = shmac->shmac_idents[i]; 4372 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4373 /* invalid HMACs were found */ ; 4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4375 error = EINVAL; 4376 sctp_free_hmaclist(hmaclist); 4377 goto sctp_set_hmac_done; 4378 } 4379 } 4380 for (i = 0; i < hmaclist->num_algo; i++) { 4381 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4382 /* already in list */ 4383 break; 4384 } 4385 } 4386 if (i == hmaclist->num_algo) { 4387 /* not found in list */ 4388 sctp_free_hmaclist(hmaclist); 4389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4390 error = EINVAL; 4391 break; 4392 } 4393 /* set it on the endpoint */ 4394 SCTP_INP_WLOCK(inp); 4395 if (inp->sctp_ep.local_hmacs) 4396 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4397 inp->sctp_ep.local_hmacs = hmaclist; 4398 SCTP_INP_WUNLOCK(inp); 4399 sctp_set_hmac_done: 4400 break; 4401 } 4402 case SCTP_AUTH_ACTIVE_KEY: 4403 { 4404 struct sctp_authkeyid *scact; 4405 4406 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4407 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4408 4409 /* set the active key on the right place */ 4410 if (stcb) { 4411 /* set the active key on the assoc */ 4412 if (sctp_auth_setactivekey(stcb, 4413 scact->scact_keynumber)) { 4414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4415 SCTP_FROM_SCTP_USRREQ, 4416 EINVAL); 4417 error = EINVAL; 4418 } 4419 SCTP_TCB_UNLOCK(stcb); 4420 } else { 4421 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4422 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4423 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4424 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4425 SCTP_INP_WLOCK(inp); 4426 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4428 error = EINVAL; 4429 } 4430 SCTP_INP_WUNLOCK(inp); 4431 } 4432 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4433 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4434 SCTP_INP_RLOCK(inp); 4435 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4436 SCTP_TCB_LOCK(stcb); 4437 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4438 SCTP_TCB_UNLOCK(stcb); 4439 } 4440 SCTP_INP_RUNLOCK(inp); 4441 } 4442 } 4443 break; 4444 } 4445 case SCTP_AUTH_DELETE_KEY: 4446 { 4447 struct sctp_authkeyid *scdel; 4448 4449 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4450 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4451 4452 /* delete the key from the right place */ 4453 if (stcb) { 4454 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4456 error = EINVAL; 4457 } 4458 SCTP_TCB_UNLOCK(stcb); 4459 } else { 4460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4462 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4463 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4464 SCTP_INP_WLOCK(inp); 4465 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4467 error = EINVAL; 4468 } 4469 SCTP_INP_WUNLOCK(inp); 4470 } 4471 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4472 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4473 SCTP_INP_RLOCK(inp); 4474 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4475 SCTP_TCB_LOCK(stcb); 4476 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4477 SCTP_TCB_UNLOCK(stcb); 4478 } 4479 SCTP_INP_RUNLOCK(inp); 4480 } 4481 } 4482 break; 4483 } 4484 case SCTP_AUTH_DEACTIVATE_KEY: 4485 { 4486 struct sctp_authkeyid *keyid; 4487 4488 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4489 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4490 4491 /* deactivate the key from the right place */ 4492 if (stcb) { 4493 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4495 error = EINVAL; 4496 } 4497 SCTP_TCB_UNLOCK(stcb); 4498 } else { 4499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4501 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4502 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4503 SCTP_INP_WLOCK(inp); 4504 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4506 error = EINVAL; 4507 } 4508 SCTP_INP_WUNLOCK(inp); 4509 } 4510 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4511 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4512 SCTP_INP_RLOCK(inp); 4513 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4514 SCTP_TCB_LOCK(stcb); 4515 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4516 SCTP_TCB_UNLOCK(stcb); 4517 } 4518 SCTP_INP_RUNLOCK(inp); 4519 } 4520 } 4521 break; 4522 } 4523 case SCTP_ENABLE_STREAM_RESET: 4524 { 4525 struct sctp_assoc_value *av; 4526 4527 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4528 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4530 error = EINVAL; 4531 break; 4532 } 4533 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4534 if (stcb) { 4535 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4536 SCTP_TCB_UNLOCK(stcb); 4537 } else { 4538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4539 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4540 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4541 (av->assoc_id == SCTP_ALL_ASSOC)) { 4542 SCTP_INP_WLOCK(inp); 4543 inp->local_strreset_support = (uint8_t) av->assoc_value; 4544 SCTP_INP_WUNLOCK(inp); 4545 } 4546 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4547 (av->assoc_id == SCTP_ALL_ASSOC)) { 4548 SCTP_INP_RLOCK(inp); 4549 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4550 SCTP_TCB_LOCK(stcb); 4551 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4552 SCTP_TCB_UNLOCK(stcb); 4553 } 4554 SCTP_INP_RUNLOCK(inp); 4555 } 4556 } 4557 break; 4558 } 4559 case SCTP_RESET_STREAMS: 4560 { 4561 struct sctp_reset_streams *strrst; 4562 int i, send_out = 0; 4563 int send_in = 0; 4564 4565 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4566 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4567 if (stcb == NULL) { 4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4569 error = ENOENT; 4570 break; 4571 } 4572 if (stcb->asoc.reconfig_supported == 0) { 4573 /* 4574 * Peer does not support the chunk type. 4575 */ 4576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4577 error = EOPNOTSUPP; 4578 SCTP_TCB_UNLOCK(stcb); 4579 break; 4580 } 4581 if (sizeof(struct sctp_reset_streams) + 4582 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4583 error = EINVAL; 4584 SCTP_TCB_UNLOCK(stcb); 4585 break; 4586 } 4587 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4588 send_in = 1; 4589 if (stcb->asoc.stream_reset_outstanding) { 4590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4591 error = EALREADY; 4592 SCTP_TCB_UNLOCK(stcb); 4593 break; 4594 } 4595 } 4596 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4597 send_out = 1; 4598 } 4599 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4601 error = ENOMEM; 4602 SCTP_TCB_UNLOCK(stcb); 4603 break; 4604 } 4605 if ((send_in == 0) && (send_out == 0)) { 4606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4607 error = EINVAL; 4608 SCTP_TCB_UNLOCK(stcb); 4609 break; 4610 } 4611 for (i = 0; i < strrst->srs_number_streams; i++) { 4612 if ((send_in) && 4613 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4615 error = EINVAL; 4616 break; 4617 } 4618 if ((send_out) && 4619 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4621 error = EINVAL; 4622 break; 4623 } 4624 } 4625 if (error) { 4626 SCTP_TCB_UNLOCK(stcb); 4627 break; 4628 } 4629 if (send_out) { 4630 int cnt; 4631 uint16_t strm; 4632 4633 if (strrst->srs_number_streams) { 4634 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4635 strm = strrst->srs_stream_list[i]; 4636 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4637 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4638 cnt++; 4639 } 4640 } 4641 } else { 4642 /* Its all */ 4643 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4644 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4645 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4646 cnt++; 4647 } 4648 } 4649 } 4650 } 4651 if (send_in) { 4652 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4653 strrst->srs_stream_list, 4654 send_in, 0, 0, 0, 0, 0); 4655 } else { 4656 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4657 } 4658 if (error == 0) { 4659 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4660 } else { 4661 /* 4662 * For outgoing streams don't report any 4663 * problems in sending the request to the 4664 * application. XXX: Double check resetting 4665 * incoming streams. 4666 */ 4667 error = 0; 4668 } 4669 SCTP_TCB_UNLOCK(stcb); 4670 break; 4671 } 4672 case SCTP_ADD_STREAMS: 4673 { 4674 struct sctp_add_streams *stradd; 4675 uint8_t addstream = 0; 4676 uint16_t add_o_strmcnt = 0; 4677 uint16_t add_i_strmcnt = 0; 4678 4679 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4680 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4681 if (stcb == NULL) { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4683 error = ENOENT; 4684 break; 4685 } 4686 if (stcb->asoc.reconfig_supported == 0) { 4687 /* 4688 * Peer does not support the chunk type. 4689 */ 4690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4691 error = EOPNOTSUPP; 4692 SCTP_TCB_UNLOCK(stcb); 4693 break; 4694 } 4695 if (stcb->asoc.stream_reset_outstanding) { 4696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4697 error = EALREADY; 4698 SCTP_TCB_UNLOCK(stcb); 4699 break; 4700 } 4701 if ((stradd->sas_outstrms == 0) && 4702 (stradd->sas_instrms == 0)) { 4703 error = EINVAL; 4704 goto skip_stuff; 4705 } 4706 if (stradd->sas_outstrms) { 4707 addstream = 1; 4708 /* We allocate here */ 4709 add_o_strmcnt = stradd->sas_outstrms; 4710 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4711 /* You can't have more than 64k */ 4712 error = EINVAL; 4713 goto skip_stuff; 4714 } 4715 } 4716 if (stradd->sas_instrms) { 4717 int cnt; 4718 4719 addstream |= 2; 4720 /* 4721 * We allocate inside 4722 * sctp_send_str_reset_req() 4723 */ 4724 add_i_strmcnt = stradd->sas_instrms; 4725 cnt = add_i_strmcnt; 4726 cnt += stcb->asoc.streamincnt; 4727 if (cnt > 0x0000ffff) { 4728 /* You can't have more than 64k */ 4729 error = EINVAL; 4730 goto skip_stuff; 4731 } 4732 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4733 /* More than you are allowed */ 4734 error = EINVAL; 4735 goto skip_stuff; 4736 } 4737 } 4738 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4739 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4740 skip_stuff: 4741 SCTP_TCB_UNLOCK(stcb); 4742 break; 4743 } 4744 case SCTP_RESET_ASSOC: 4745 { 4746 int i; 4747 uint32_t *value; 4748 4749 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4750 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4751 if (stcb == NULL) { 4752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4753 error = ENOENT; 4754 break; 4755 } 4756 if (stcb->asoc.reconfig_supported == 0) { 4757 /* 4758 * Peer does not support the chunk type. 4759 */ 4760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4761 error = EOPNOTSUPP; 4762 SCTP_TCB_UNLOCK(stcb); 4763 break; 4764 } 4765 if (stcb->asoc.stream_reset_outstanding) { 4766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4767 error = EALREADY; 4768 SCTP_TCB_UNLOCK(stcb); 4769 break; 4770 } 4771 /* 4772 * Is there any data pending in the send or sent 4773 * queues? 4774 */ 4775 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4776 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4777 busy_out: 4778 error = EBUSY; 4779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4780 SCTP_TCB_UNLOCK(stcb); 4781 break; 4782 } 4783 /* Do any streams have data queued? */ 4784 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4785 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4786 goto busy_out; 4787 } 4788 } 4789 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4790 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4791 SCTP_TCB_UNLOCK(stcb); 4792 break; 4793 } 4794 case SCTP_CONNECT_X: 4795 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4797 error = EINVAL; 4798 break; 4799 } 4800 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4801 break; 4802 case SCTP_CONNECT_X_DELAYED: 4803 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4805 error = EINVAL; 4806 break; 4807 } 4808 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4809 break; 4810 case SCTP_CONNECT_X_COMPLETE: 4811 { 4812 struct sockaddr *sa; 4813 4814 /* FIXME MT: check correct? */ 4815 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4816 4817 /* find tcb */ 4818 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4819 SCTP_INP_RLOCK(inp); 4820 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4821 if (stcb) { 4822 SCTP_TCB_LOCK(stcb); 4823 } 4824 SCTP_INP_RUNLOCK(inp); 4825 } else { 4826 /* 4827 * We increment here since 4828 * sctp_findassociation_ep_addr() wil do a 4829 * decrement if it finds the stcb as long as 4830 * the locked tcb (last argument) is NOT a 4831 * TCB.. aka NULL. 4832 */ 4833 SCTP_INP_INCR_REF(inp); 4834 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4835 if (stcb == NULL) { 4836 SCTP_INP_DECR_REF(inp); 4837 } 4838 } 4839 4840 if (stcb == NULL) { 4841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4842 error = ENOENT; 4843 break; 4844 } 4845 if (stcb->asoc.delayed_connection == 1) { 4846 stcb->asoc.delayed_connection = 0; 4847 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4848 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4849 stcb->asoc.primary_destination, 4850 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4851 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4852 } else { 4853 /* 4854 * already expired or did not use delayed 4855 * connectx 4856 */ 4857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4858 error = EALREADY; 4859 } 4860 SCTP_TCB_UNLOCK(stcb); 4861 break; 4862 } 4863 case SCTP_MAX_BURST: 4864 { 4865 struct sctp_assoc_value *av; 4866 4867 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4868 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4869 4870 if (stcb) { 4871 stcb->asoc.max_burst = av->assoc_value; 4872 SCTP_TCB_UNLOCK(stcb); 4873 } else { 4874 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4876 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4877 (av->assoc_id == SCTP_ALL_ASSOC)) { 4878 SCTP_INP_WLOCK(inp); 4879 inp->sctp_ep.max_burst = av->assoc_value; 4880 SCTP_INP_WUNLOCK(inp); 4881 } 4882 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4883 (av->assoc_id == SCTP_ALL_ASSOC)) { 4884 SCTP_INP_RLOCK(inp); 4885 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4886 SCTP_TCB_LOCK(stcb); 4887 stcb->asoc.max_burst = av->assoc_value; 4888 SCTP_TCB_UNLOCK(stcb); 4889 } 4890 SCTP_INP_RUNLOCK(inp); 4891 } 4892 } 4893 break; 4894 } 4895 case SCTP_MAXSEG: 4896 { 4897 struct sctp_assoc_value *av; 4898 int ovh; 4899 4900 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4901 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4902 4903 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4904 ovh = SCTP_MED_OVERHEAD; 4905 } else { 4906 ovh = SCTP_MED_V4_OVERHEAD; 4907 } 4908 if (stcb) { 4909 if (av->assoc_value) { 4910 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4911 } else { 4912 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4913 } 4914 SCTP_TCB_UNLOCK(stcb); 4915 } else { 4916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4917 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4918 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4919 SCTP_INP_WLOCK(inp); 4920 /* 4921 * FIXME MT: I think this is not in 4922 * tune with the API ID 4923 */ 4924 if (av->assoc_value) { 4925 inp->sctp_frag_point = (av->assoc_value + ovh); 4926 } else { 4927 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4928 } 4929 SCTP_INP_WUNLOCK(inp); 4930 } else { 4931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4932 error = EINVAL; 4933 } 4934 } 4935 break; 4936 } 4937 case SCTP_EVENTS: 4938 { 4939 struct sctp_event_subscribe *events; 4940 4941 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4942 4943 SCTP_INP_WLOCK(inp); 4944 if (events->sctp_data_io_event) { 4945 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4946 } else { 4947 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4948 } 4949 4950 if (events->sctp_association_event) { 4951 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4952 } else { 4953 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4954 } 4955 4956 if (events->sctp_address_event) { 4957 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4958 } else { 4959 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4960 } 4961 4962 if (events->sctp_send_failure_event) { 4963 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4964 } else { 4965 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4966 } 4967 4968 if (events->sctp_peer_error_event) { 4969 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4970 } else { 4971 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4972 } 4973 4974 if (events->sctp_shutdown_event) { 4975 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4976 } else { 4977 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4978 } 4979 4980 if (events->sctp_partial_delivery_event) { 4981 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4982 } else { 4983 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4984 } 4985 4986 if (events->sctp_adaptation_layer_event) { 4987 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4988 } else { 4989 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4990 } 4991 4992 if (events->sctp_authentication_event) { 4993 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4994 } else { 4995 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4996 } 4997 4998 if (events->sctp_sender_dry_event) { 4999 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5000 } else { 5001 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5002 } 5003 5004 if (events->sctp_stream_reset_event) { 5005 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5006 } else { 5007 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5008 } 5009 SCTP_INP_WUNLOCK(inp); 5010 5011 SCTP_INP_RLOCK(inp); 5012 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5013 SCTP_TCB_LOCK(stcb); 5014 if (events->sctp_association_event) { 5015 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5016 } else { 5017 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5018 } 5019 if (events->sctp_address_event) { 5020 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5021 } else { 5022 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5023 } 5024 if (events->sctp_send_failure_event) { 5025 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5026 } else { 5027 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5028 } 5029 if (events->sctp_peer_error_event) { 5030 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5031 } else { 5032 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5033 } 5034 if (events->sctp_shutdown_event) { 5035 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5036 } else { 5037 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5038 } 5039 if (events->sctp_partial_delivery_event) { 5040 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5041 } else { 5042 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5043 } 5044 if (events->sctp_adaptation_layer_event) { 5045 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5046 } else { 5047 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5048 } 5049 if (events->sctp_authentication_event) { 5050 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5051 } else { 5052 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5053 } 5054 if (events->sctp_sender_dry_event) { 5055 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5056 } else { 5057 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5058 } 5059 if (events->sctp_stream_reset_event) { 5060 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5061 } else { 5062 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5063 } 5064 SCTP_TCB_UNLOCK(stcb); 5065 } 5066 /* 5067 * Send up the sender dry event only for 1-to-1 5068 * style sockets. 5069 */ 5070 if (events->sctp_sender_dry_event) { 5071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5073 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5074 if (stcb) { 5075 SCTP_TCB_LOCK(stcb); 5076 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5077 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5078 (stcb->asoc.stream_queue_cnt == 0)) { 5079 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5080 } 5081 SCTP_TCB_UNLOCK(stcb); 5082 } 5083 } 5084 } 5085 SCTP_INP_RUNLOCK(inp); 5086 break; 5087 } 5088 case SCTP_ADAPTATION_LAYER: 5089 { 5090 struct sctp_setadaptation *adap_bits; 5091 5092 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5093 SCTP_INP_WLOCK(inp); 5094 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5095 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5096 SCTP_INP_WUNLOCK(inp); 5097 break; 5098 } 5099#ifdef SCTP_DEBUG 5100 case SCTP_SET_INITIAL_DBG_SEQ: 5101 { 5102 uint32_t *vvv; 5103 5104 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5105 SCTP_INP_WLOCK(inp); 5106 inp->sctp_ep.initial_sequence_debug = *vvv; 5107 SCTP_INP_WUNLOCK(inp); 5108 break; 5109 } 5110#endif 5111 case SCTP_DEFAULT_SEND_PARAM: 5112 { 5113 struct sctp_sndrcvinfo *s_info; 5114 5115 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5116 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5117 5118 if (stcb) { 5119 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5120 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5121 } else { 5122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5123 error = EINVAL; 5124 } 5125 SCTP_TCB_UNLOCK(stcb); 5126 } else { 5127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5128 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5129 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5130 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5131 SCTP_INP_WLOCK(inp); 5132 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5133 SCTP_INP_WUNLOCK(inp); 5134 } 5135 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5136 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5137 SCTP_INP_RLOCK(inp); 5138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5139 SCTP_TCB_LOCK(stcb); 5140 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5141 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5142 } 5143 SCTP_TCB_UNLOCK(stcb); 5144 } 5145 SCTP_INP_RUNLOCK(inp); 5146 } 5147 } 5148 break; 5149 } 5150 case SCTP_PEER_ADDR_PARAMS: 5151 { 5152 struct sctp_paddrparams *paddrp; 5153 struct sctp_nets *net; 5154 struct sockaddr *addr; 5155 5156#if defined(INET) && defined(INET6) 5157 struct sockaddr_in sin_store; 5158 5159#endif 5160 5161 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5162 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5163 5164#if defined(INET) && defined(INET6) 5165 if (paddrp->spp_address.ss_family == AF_INET6) { 5166 struct sockaddr_in6 *sin6; 5167 5168 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5169 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5170 in6_sin6_2_sin(&sin_store, sin6); 5171 addr = (struct sockaddr *)&sin_store; 5172 } else { 5173 addr = (struct sockaddr *)&paddrp->spp_address; 5174 } 5175 } else { 5176 addr = (struct sockaddr *)&paddrp->spp_address; 5177 } 5178#else 5179 addr = (struct sockaddr *)&paddrp->spp_address; 5180#endif 5181 if (stcb != NULL) { 5182 net = sctp_findnet(stcb, addr); 5183 } else { 5184 /* 5185 * We increment here since 5186 * sctp_findassociation_ep_addr() wil do a 5187 * decrement if it finds the stcb as long as 5188 * the locked tcb (last argument) is NOT a 5189 * TCB.. aka NULL. 5190 */ 5191 net = NULL; 5192 SCTP_INP_INCR_REF(inp); 5193 stcb = sctp_findassociation_ep_addr(&inp, addr, 5194 &net, NULL, NULL); 5195 if (stcb == NULL) { 5196 SCTP_INP_DECR_REF(inp); 5197 } 5198 } 5199 if ((stcb != NULL) && (net == NULL)) { 5200#ifdef INET 5201 if (addr->sa_family == AF_INET) { 5202 5203 struct sockaddr_in *sin; 5204 5205 sin = (struct sockaddr_in *)addr; 5206 if (sin->sin_addr.s_addr != INADDR_ANY) { 5207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5208 SCTP_TCB_UNLOCK(stcb); 5209 error = EINVAL; 5210 break; 5211 } 5212 } else 5213#endif 5214#ifdef INET6 5215 if (addr->sa_family == AF_INET6) { 5216 struct sockaddr_in6 *sin6; 5217 5218 sin6 = (struct sockaddr_in6 *)addr; 5219 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5221 SCTP_TCB_UNLOCK(stcb); 5222 error = EINVAL; 5223 break; 5224 } 5225 } else 5226#endif 5227 { 5228 error = EAFNOSUPPORT; 5229 SCTP_TCB_UNLOCK(stcb); 5230 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5231 break; 5232 } 5233 } 5234 /* sanity checks */ 5235 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5236 if (stcb) 5237 SCTP_TCB_UNLOCK(stcb); 5238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5239 return (EINVAL); 5240 } 5241 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5242 if (stcb) 5243 SCTP_TCB_UNLOCK(stcb); 5244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5245 return (EINVAL); 5246 } 5247 if (stcb != NULL) { 5248 /************************TCB SPECIFIC SET ******************/ 5249 if (net != NULL) { 5250 /************************NET SPECIFIC SET ******************/ 5251 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5252 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5253 !(net->dest_state & SCTP_ADDR_NOHB)) { 5254 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5255 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5256 } 5257 net->dest_state |= SCTP_ADDR_NOHB; 5258 } 5259 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5260 if (paddrp->spp_hbinterval) { 5261 net->heart_beat_delay = paddrp->spp_hbinterval; 5262 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5263 net->heart_beat_delay = 0; 5264 } 5265 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5266 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5267 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5268 net->dest_state &= ~SCTP_ADDR_NOHB; 5269 } 5270 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5271 /* on demand HB */ 5272 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5273 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5274 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5275 } 5276 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5277 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5278 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5279 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5280 } 5281 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5282 net->mtu = paddrp->spp_pathmtu; 5283 switch (net->ro._l_addr.sa.sa_family) { 5284#ifdef INET 5285 case AF_INET: 5286 net->mtu += SCTP_MIN_V4_OVERHEAD; 5287 break; 5288#endif 5289#ifdef INET6 5290 case AF_INET6: 5291 net->mtu += SCTP_MIN_OVERHEAD; 5292 break; 5293#endif 5294 default: 5295 break; 5296 } 5297 if (net->mtu < stcb->asoc.smallest_mtu) { 5298 sctp_pathmtu_adjustment(stcb, net->mtu); 5299 } 5300 } 5301 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5302 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5303 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5304 } 5305 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5306 } 5307 if (paddrp->spp_pathmaxrxt) { 5308 if (net->dest_state & SCTP_ADDR_PF) { 5309 if (net->error_count > paddrp->spp_pathmaxrxt) { 5310 net->dest_state &= ~SCTP_ADDR_PF; 5311 } 5312 } else { 5313 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5314 (net->error_count > net->pf_threshold)) { 5315 net->dest_state |= SCTP_ADDR_PF; 5316 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5317 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5318 stcb->sctp_ep, stcb, net, 5319 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5320 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5321 } 5322 } 5323 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5324 if (net->error_count > paddrp->spp_pathmaxrxt) { 5325 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5326 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5327 } 5328 } else { 5329 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5330 net->dest_state |= SCTP_ADDR_REACHABLE; 5331 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5332 } 5333 } 5334 net->failure_threshold = paddrp->spp_pathmaxrxt; 5335 } 5336 if (paddrp->spp_flags & SPP_DSCP) { 5337 net->dscp = paddrp->spp_dscp & 0xfc; 5338 net->dscp |= 0x01; 5339 } 5340#ifdef INET6 5341 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5342 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5343 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5344 net->flowlabel |= 0x80000000; 5345 } 5346 } 5347#endif 5348 } else { 5349 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5350 if (paddrp->spp_pathmaxrxt != 0) { 5351 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5352 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5353 if (net->dest_state & SCTP_ADDR_PF) { 5354 if (net->error_count > paddrp->spp_pathmaxrxt) { 5355 net->dest_state &= ~SCTP_ADDR_PF; 5356 } 5357 } else { 5358 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5359 (net->error_count > net->pf_threshold)) { 5360 net->dest_state |= SCTP_ADDR_PF; 5361 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5362 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5363 stcb->sctp_ep, stcb, net, 5364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5365 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5366 } 5367 } 5368 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5369 if (net->error_count > paddrp->spp_pathmaxrxt) { 5370 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5371 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5372 } 5373 } else { 5374 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5375 net->dest_state |= SCTP_ADDR_REACHABLE; 5376 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5377 } 5378 } 5379 net->failure_threshold = paddrp->spp_pathmaxrxt; 5380 } 5381 } 5382 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5383 if (paddrp->spp_hbinterval != 0) { 5384 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5385 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5386 stcb->asoc.heart_beat_delay = 0; 5387 } 5388 /* Turn back on the timer */ 5389 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5390 if (paddrp->spp_hbinterval != 0) { 5391 net->heart_beat_delay = paddrp->spp_hbinterval; 5392 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5393 net->heart_beat_delay = 0; 5394 } 5395 if (net->dest_state & SCTP_ADDR_NOHB) { 5396 net->dest_state &= ~SCTP_ADDR_NOHB; 5397 } 5398 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5399 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5400 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5401 } 5402 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5403 } 5404 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5405 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5406 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5407 net->dest_state |= SCTP_ADDR_NOHB; 5408 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5409 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5410 inp, stcb, net, 5411 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5412 } 5413 } 5414 } 5415 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5416 } 5417 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5418 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5419 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5420 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5421 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5422 } 5423 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5424 net->mtu = paddrp->spp_pathmtu; 5425 switch (net->ro._l_addr.sa.sa_family) { 5426#ifdef INET 5427 case AF_INET: 5428 net->mtu += SCTP_MIN_V4_OVERHEAD; 5429 break; 5430#endif 5431#ifdef INET6 5432 case AF_INET6: 5433 net->mtu += SCTP_MIN_OVERHEAD; 5434 break; 5435#endif 5436 default: 5437 break; 5438 } 5439 if (net->mtu < stcb->asoc.smallest_mtu) { 5440 sctp_pathmtu_adjustment(stcb, net->mtu); 5441 } 5442 } 5443 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5444 } 5445 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5447 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5448 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5449 } 5450 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5451 } 5452 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5453 } 5454 if (paddrp->spp_flags & SPP_DSCP) { 5455 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5456 net->dscp = paddrp->spp_dscp & 0xfc; 5457 net->dscp |= 0x01; 5458 } 5459 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5460 stcb->asoc.default_dscp |= 0x01; 5461 } 5462#ifdef INET6 5463 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5464 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5465 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5466 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5467 net->flowlabel |= 0x80000000; 5468 } 5469 } 5470 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5471 stcb->asoc.default_flowlabel |= 0x80000000; 5472 } 5473#endif 5474 } 5475 SCTP_TCB_UNLOCK(stcb); 5476 } else { 5477 /************************NO TCB, SET TO default stuff ******************/ 5478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5480 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5481 SCTP_INP_WLOCK(inp); 5482 /* 5483 * For the TOS/FLOWLABEL stuff you 5484 * set it with the options on the 5485 * socket 5486 */ 5487 if (paddrp->spp_pathmaxrxt != 0) { 5488 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5489 } 5490 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5491 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5492 else if (paddrp->spp_hbinterval != 0) { 5493 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5494 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5495 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5496 } 5497 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5498 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5499 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5500 } else if (paddrp->spp_hbinterval) { 5501 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5502 } 5503 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5504 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5505 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5506 } 5507 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5508 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5509 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5510 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5511 } 5512 if (paddrp->spp_flags & SPP_DSCP) { 5513 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5514 inp->sctp_ep.default_dscp |= 0x01; 5515 } 5516#ifdef INET6 5517 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5518 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5519 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5520 inp->sctp_ep.default_flowlabel |= 0x80000000; 5521 } 5522 } 5523#endif 5524 SCTP_INP_WUNLOCK(inp); 5525 } else { 5526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5527 error = EINVAL; 5528 } 5529 } 5530 break; 5531 } 5532 case SCTP_RTOINFO: 5533 { 5534 struct sctp_rtoinfo *srto; 5535 uint32_t new_init, new_min, new_max; 5536 5537 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5538 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5539 5540 if (stcb) { 5541 if (srto->srto_initial) 5542 new_init = srto->srto_initial; 5543 else 5544 new_init = stcb->asoc.initial_rto; 5545 if (srto->srto_max) 5546 new_max = srto->srto_max; 5547 else 5548 new_max = stcb->asoc.maxrto; 5549 if (srto->srto_min) 5550 new_min = srto->srto_min; 5551 else 5552 new_min = stcb->asoc.minrto; 5553 if ((new_min <= new_init) && (new_init <= new_max)) { 5554 stcb->asoc.initial_rto = new_init; 5555 stcb->asoc.maxrto = new_max; 5556 stcb->asoc.minrto = new_min; 5557 } else { 5558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5559 error = EINVAL; 5560 } 5561 SCTP_TCB_UNLOCK(stcb); 5562 } else { 5563 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5564 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5565 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5566 SCTP_INP_WLOCK(inp); 5567 if (srto->srto_initial) 5568 new_init = srto->srto_initial; 5569 else 5570 new_init = inp->sctp_ep.initial_rto; 5571 if (srto->srto_max) 5572 new_max = srto->srto_max; 5573 else 5574 new_max = inp->sctp_ep.sctp_maxrto; 5575 if (srto->srto_min) 5576 new_min = srto->srto_min; 5577 else 5578 new_min = inp->sctp_ep.sctp_minrto; 5579 if ((new_min <= new_init) && (new_init <= new_max)) { 5580 inp->sctp_ep.initial_rto = new_init; 5581 inp->sctp_ep.sctp_maxrto = new_max; 5582 inp->sctp_ep.sctp_minrto = new_min; 5583 } else { 5584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5585 error = EINVAL; 5586 } 5587 SCTP_INP_WUNLOCK(inp); 5588 } else { 5589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5590 error = EINVAL; 5591 } 5592 } 5593 break; 5594 } 5595 case SCTP_ASSOCINFO: 5596 { 5597 struct sctp_assocparams *sasoc; 5598 5599 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5600 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5601 if (sasoc->sasoc_cookie_life) { 5602 /* boundary check the cookie life */ 5603 if (sasoc->sasoc_cookie_life < 1000) 5604 sasoc->sasoc_cookie_life = 1000; 5605 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5606 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5607 } 5608 } 5609 if (stcb) { 5610 if (sasoc->sasoc_asocmaxrxt) 5611 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5612 if (sasoc->sasoc_cookie_life) { 5613 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5614 } 5615 SCTP_TCB_UNLOCK(stcb); 5616 } else { 5617 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5618 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5619 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5620 SCTP_INP_WLOCK(inp); 5621 if (sasoc->sasoc_asocmaxrxt) 5622 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5623 if (sasoc->sasoc_cookie_life) { 5624 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5625 } 5626 SCTP_INP_WUNLOCK(inp); 5627 } else { 5628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5629 error = EINVAL; 5630 } 5631 } 5632 break; 5633 } 5634 case SCTP_INITMSG: 5635 { 5636 struct sctp_initmsg *sinit; 5637 5638 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5639 SCTP_INP_WLOCK(inp); 5640 if (sinit->sinit_num_ostreams) 5641 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5642 5643 if (sinit->sinit_max_instreams) 5644 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5645 5646 if (sinit->sinit_max_attempts) 5647 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5648 5649 if (sinit->sinit_max_init_timeo) 5650 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5651 SCTP_INP_WUNLOCK(inp); 5652 break; 5653 } 5654 case SCTP_PRIMARY_ADDR: 5655 { 5656 struct sctp_setprim *spa; 5657 struct sctp_nets *net; 5658 struct sockaddr *addr; 5659 5660#if defined(INET) && defined(INET6) 5661 struct sockaddr_in sin_store; 5662 5663#endif 5664 5665 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5666 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5667 5668#if defined(INET) && defined(INET6) 5669 if (spa->ssp_addr.ss_family == AF_INET6) { 5670 struct sockaddr_in6 *sin6; 5671 5672 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5673 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5674 in6_sin6_2_sin(&sin_store, sin6); 5675 addr = (struct sockaddr *)&sin_store; 5676 } else { 5677 addr = (struct sockaddr *)&spa->ssp_addr; 5678 } 5679 } else { 5680 addr = (struct sockaddr *)&spa->ssp_addr; 5681 } 5682#else 5683 addr = (struct sockaddr *)&spa->ssp_addr; 5684#endif 5685 if (stcb != NULL) { 5686 net = sctp_findnet(stcb, addr); 5687 } else { 5688 /* 5689 * We increment here since 5690 * sctp_findassociation_ep_addr() wil do a 5691 * decrement if it finds the stcb as long as 5692 * the locked tcb (last argument) is NOT a 5693 * TCB.. aka NULL. 5694 */ 5695 net = NULL; 5696 SCTP_INP_INCR_REF(inp); 5697 stcb = sctp_findassociation_ep_addr(&inp, addr, 5698 &net, NULL, NULL); 5699 if (stcb == NULL) { 5700 SCTP_INP_DECR_REF(inp); 5701 } 5702 } 5703 5704 if ((stcb != NULL) && (net != NULL)) { 5705 if (net != stcb->asoc.primary_destination) { 5706 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5707 /* Ok we need to set it */ 5708 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5709 if ((stcb->asoc.alternate) && 5710 (!(net->dest_state & SCTP_ADDR_PF)) && 5711 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5712 sctp_free_remote_addr(stcb->asoc.alternate); 5713 stcb->asoc.alternate = NULL; 5714 } 5715 } else { 5716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5717 error = EINVAL; 5718 } 5719 } else { 5720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5721 error = EINVAL; 5722 } 5723 } 5724 } else { 5725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5726 error = EINVAL; 5727 } 5728 if (stcb != NULL) { 5729 SCTP_TCB_UNLOCK(stcb); 5730 } 5731 break; 5732 } 5733 case SCTP_SET_DYNAMIC_PRIMARY: 5734 { 5735 union sctp_sockstore *ss; 5736 5737 error = priv_check(curthread, 5738 PRIV_NETINET_RESERVEDPORT); 5739 if (error) 5740 break; 5741 5742 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5743 /* SUPER USER CHECK? */ 5744 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5745 break; 5746 } 5747 case SCTP_SET_PEER_PRIMARY_ADDR: 5748 { 5749 struct sctp_setpeerprim *sspp; 5750 struct sockaddr *addr; 5751 5752#if defined(INET) && defined(INET6) 5753 struct sockaddr_in sin_store; 5754 5755#endif 5756 5757 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5758 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5759 if (stcb != NULL) { 5760 struct sctp_ifa *ifa; 5761 5762#if defined(INET) && defined(INET6) 5763 if (sspp->sspp_addr.ss_family == AF_INET6) { 5764 struct sockaddr_in6 *sin6; 5765 5766 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5767 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5768 in6_sin6_2_sin(&sin_store, sin6); 5769 addr = (struct sockaddr *)&sin_store; 5770 } else { 5771 addr = (struct sockaddr *)&sspp->sspp_addr; 5772 } 5773 } else { 5774 addr = (struct sockaddr *)&sspp->sspp_addr; 5775 } 5776#else 5777 addr = (struct sockaddr *)&sspp->sspp_addr; 5778#endif 5779 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5780 if (ifa == NULL) { 5781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5782 error = EINVAL; 5783 goto out_of_it; 5784 } 5785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5786 /* 5787 * Must validate the ifa found is in 5788 * our ep 5789 */ 5790 struct sctp_laddr *laddr; 5791 int found = 0; 5792 5793 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5794 if (laddr->ifa == NULL) { 5795 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5796 __func__); 5797 continue; 5798 } 5799 if (laddr->ifa == ifa) { 5800 found = 1; 5801 break; 5802 } 5803 } 5804 if (!found) { 5805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5806 error = EINVAL; 5807 goto out_of_it; 5808 } 5809 } else { 5810 switch (addr->sa_family) { 5811#ifdef INET 5812 case AF_INET: 5813 { 5814 struct sockaddr_in *sin; 5815 5816 sin = (struct sockaddr_in *)addr; 5817 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5818 &sin->sin_addr) != 0) { 5819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5820 error = EINVAL; 5821 goto out_of_it; 5822 } 5823 break; 5824 } 5825#endif 5826#ifdef INET6 5827 case AF_INET6: 5828 { 5829 struct sockaddr_in6 *sin6; 5830 5831 sin6 = (struct sockaddr_in6 *)addr; 5832 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5833 &sin6->sin6_addr) != 0) { 5834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5835 error = EINVAL; 5836 goto out_of_it; 5837 } 5838 break; 5839 } 5840#endif 5841 default: 5842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5843 error = EINVAL; 5844 goto out_of_it; 5845 } 5846 } 5847 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5849 error = EINVAL; 5850 } 5851 out_of_it: 5852 SCTP_TCB_UNLOCK(stcb); 5853 } else { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 } 5857 break; 5858 } 5859 case SCTP_BINDX_ADD_ADDR: 5860 { 5861 struct sctp_getaddresses *addrs; 5862 struct thread *td; 5863 5864 td = (struct thread *)p; 5865 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5866 optsize); 5867#ifdef INET 5868 if (addrs->addr->sa_family == AF_INET) { 5869 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5871 error = EINVAL; 5872 break; 5873 } 5874 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5875 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5876 break; 5877 } 5878 } else 5879#endif 5880#ifdef INET6 5881 if (addrs->addr->sa_family == AF_INET6) { 5882 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5884 error = EINVAL; 5885 break; 5886 } 5887 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5888 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5889 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5890 break; 5891 } 5892 } else 5893#endif 5894 { 5895 error = EAFNOSUPPORT; 5896 break; 5897 } 5898 sctp_bindx_add_address(so, inp, addrs->addr, 5899 addrs->sget_assoc_id, vrf_id, 5900 &error, p); 5901 break; 5902 } 5903 case SCTP_BINDX_REM_ADDR: 5904 { 5905 struct sctp_getaddresses *addrs; 5906 struct thread *td; 5907 5908 td = (struct thread *)p; 5909 5910 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5911#ifdef INET 5912 if (addrs->addr->sa_family == AF_INET) { 5913 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5915 error = EINVAL; 5916 break; 5917 } 5918 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5919 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5920 break; 5921 } 5922 } else 5923#endif 5924#ifdef INET6 5925 if (addrs->addr->sa_family == AF_INET6) { 5926 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 error = EINVAL; 5929 break; 5930 } 5931 if (td != NULL && 5932 (error = prison_local_ip6(td->td_ucred, 5933 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5934 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5935 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5936 break; 5937 } 5938 } else 5939#endif 5940 { 5941 error = EAFNOSUPPORT; 5942 break; 5943 } 5944 sctp_bindx_delete_address(inp, addrs->addr, 5945 addrs->sget_assoc_id, vrf_id, 5946 &error); 5947 break; 5948 } 5949 case SCTP_EVENT: 5950 { 5951 struct sctp_event *event; 5952 uint32_t event_type; 5953 5954 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5955 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5956 switch (event->se_type) { 5957 case SCTP_ASSOC_CHANGE: 5958 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5959 break; 5960 case SCTP_PEER_ADDR_CHANGE: 5961 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5962 break; 5963 case SCTP_REMOTE_ERROR: 5964 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5965 break; 5966 case SCTP_SEND_FAILED: 5967 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5968 break; 5969 case SCTP_SHUTDOWN_EVENT: 5970 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5971 break; 5972 case SCTP_ADAPTATION_INDICATION: 5973 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5974 break; 5975 case SCTP_PARTIAL_DELIVERY_EVENT: 5976 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5977 break; 5978 case SCTP_AUTHENTICATION_EVENT: 5979 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5980 break; 5981 case SCTP_STREAM_RESET_EVENT: 5982 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5983 break; 5984 case SCTP_SENDER_DRY_EVENT: 5985 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5986 break; 5987 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5988 event_type = 0; 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5990 error = ENOTSUP; 5991 break; 5992 case SCTP_ASSOC_RESET_EVENT: 5993 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5994 break; 5995 case SCTP_STREAM_CHANGE_EVENT: 5996 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5997 break; 5998 case SCTP_SEND_FAILED_EVENT: 5999 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6000 break; 6001 default: 6002 event_type = 0; 6003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6004 error = EINVAL; 6005 break; 6006 } 6007 if (event_type > 0) { 6008 if (stcb) { 6009 if (event->se_on) { 6010 sctp_stcb_feature_on(inp, stcb, event_type); 6011 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6012 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6013 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6014 (stcb->asoc.stream_queue_cnt == 0)) { 6015 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6016 } 6017 } 6018 } else { 6019 sctp_stcb_feature_off(inp, stcb, event_type); 6020 } 6021 SCTP_TCB_UNLOCK(stcb); 6022 } else { 6023 /* 6024 * We don't want to send up a storm 6025 * of events, so return an error for 6026 * sender dry events 6027 */ 6028 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6029 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6030 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6031 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6032 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6034 error = ENOTSUP; 6035 break; 6036 } 6037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6038 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6039 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6040 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6041 SCTP_INP_WLOCK(inp); 6042 if (event->se_on) { 6043 sctp_feature_on(inp, event_type); 6044 } else { 6045 sctp_feature_off(inp, event_type); 6046 } 6047 SCTP_INP_WUNLOCK(inp); 6048 } 6049 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6050 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6051 SCTP_INP_RLOCK(inp); 6052 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6053 SCTP_TCB_LOCK(stcb); 6054 if (event->se_on) { 6055 sctp_stcb_feature_on(inp, stcb, event_type); 6056 } else { 6057 sctp_stcb_feature_off(inp, stcb, event_type); 6058 } 6059 SCTP_TCB_UNLOCK(stcb); 6060 } 6061 SCTP_INP_RUNLOCK(inp); 6062 } 6063 } 6064 } 6065 break; 6066 } 6067 case SCTP_RECVRCVINFO: 6068 { 6069 int *onoff; 6070 6071 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6072 SCTP_INP_WLOCK(inp); 6073 if (*onoff != 0) { 6074 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6075 } else { 6076 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6077 } 6078 SCTP_INP_WUNLOCK(inp); 6079 break; 6080 } 6081 case SCTP_RECVNXTINFO: 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_RECVNXTINFO); 6089 } else { 6090 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6091 } 6092 SCTP_INP_WUNLOCK(inp); 6093 break; 6094 } 6095 case SCTP_DEFAULT_SNDINFO: 6096 { 6097 struct sctp_sndinfo *info; 6098 uint16_t policy; 6099 6100 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6101 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6102 6103 if (stcb) { 6104 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6105 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6106 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6107 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6108 stcb->asoc.def_send.sinfo_flags |= policy; 6109 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6110 stcb->asoc.def_send.sinfo_context = info->snd_context; 6111 } else { 6112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6113 error = EINVAL; 6114 } 6115 SCTP_TCB_UNLOCK(stcb); 6116 } else { 6117 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6118 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6119 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6120 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6121 SCTP_INP_WLOCK(inp); 6122 inp->def_send.sinfo_stream = info->snd_sid; 6123 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6124 inp->def_send.sinfo_flags = info->snd_flags; 6125 inp->def_send.sinfo_flags |= policy; 6126 inp->def_send.sinfo_ppid = info->snd_ppid; 6127 inp->def_send.sinfo_context = info->snd_context; 6128 SCTP_INP_WUNLOCK(inp); 6129 } 6130 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6131 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6132 SCTP_INP_RLOCK(inp); 6133 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6134 SCTP_TCB_LOCK(stcb); 6135 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6136 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6137 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6138 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6139 stcb->asoc.def_send.sinfo_flags |= policy; 6140 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6141 stcb->asoc.def_send.sinfo_context = info->snd_context; 6142 } 6143 SCTP_TCB_UNLOCK(stcb); 6144 } 6145 SCTP_INP_RUNLOCK(inp); 6146 } 6147 } 6148 break; 6149 } 6150 case SCTP_DEFAULT_PRINFO: 6151 { 6152 struct sctp_default_prinfo *info; 6153 6154 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6155 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6156 6157 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6159 error = EINVAL; 6160 break; 6161 } 6162 if (stcb) { 6163 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6164 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6165 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6166 SCTP_TCB_UNLOCK(stcb); 6167 } else { 6168 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6169 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6170 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6171 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6172 SCTP_INP_WLOCK(inp); 6173 inp->def_send.sinfo_flags &= 0xfff0; 6174 inp->def_send.sinfo_flags |= info->pr_policy; 6175 inp->def_send.sinfo_timetolive = info->pr_value; 6176 SCTP_INP_WUNLOCK(inp); 6177 } 6178 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6179 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6180 SCTP_INP_RLOCK(inp); 6181 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6182 SCTP_TCB_LOCK(stcb); 6183 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6184 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6185 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6186 SCTP_TCB_UNLOCK(stcb); 6187 } 6188 SCTP_INP_RUNLOCK(inp); 6189 } 6190 } 6191 break; 6192 } 6193 case SCTP_PEER_ADDR_THLDS: 6194 /* Applies to the specific association */ 6195 { 6196 struct sctp_paddrthlds *thlds; 6197 struct sctp_nets *net; 6198 struct sockaddr *addr; 6199 6200#if defined(INET) && defined(INET6) 6201 struct sockaddr_in sin_store; 6202 6203#endif 6204 6205 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6206 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6207 6208#if defined(INET) && defined(INET6) 6209 if (thlds->spt_address.ss_family == AF_INET6) { 6210 struct sockaddr_in6 *sin6; 6211 6212 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6213 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6214 in6_sin6_2_sin(&sin_store, sin6); 6215 addr = (struct sockaddr *)&sin_store; 6216 } else { 6217 addr = (struct sockaddr *)&thlds->spt_address; 6218 } 6219 } else { 6220 addr = (struct sockaddr *)&thlds->spt_address; 6221 } 6222#else 6223 addr = (struct sockaddr *)&thlds->spt_address; 6224#endif 6225 if (stcb != NULL) { 6226 net = sctp_findnet(stcb, addr); 6227 } else { 6228 /* 6229 * We increment here since 6230 * sctp_findassociation_ep_addr() wil do a 6231 * decrement if it finds the stcb as long as 6232 * the locked tcb (last argument) is NOT a 6233 * TCB.. aka NULL. 6234 */ 6235 net = NULL; 6236 SCTP_INP_INCR_REF(inp); 6237 stcb = sctp_findassociation_ep_addr(&inp, addr, 6238 &net, NULL, NULL); 6239 if (stcb == NULL) { 6240 SCTP_INP_DECR_REF(inp); 6241 } 6242 } 6243 if ((stcb != NULL) && (net == NULL)) { 6244#ifdef INET 6245 if (addr->sa_family == AF_INET) { 6246 6247 struct sockaddr_in *sin; 6248 6249 sin = (struct sockaddr_in *)addr; 6250 if (sin->sin_addr.s_addr != INADDR_ANY) { 6251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6252 SCTP_TCB_UNLOCK(stcb); 6253 error = EINVAL; 6254 break; 6255 } 6256 } else 6257#endif 6258#ifdef INET6 6259 if (addr->sa_family == AF_INET6) { 6260 struct sockaddr_in6 *sin6; 6261 6262 sin6 = (struct sockaddr_in6 *)addr; 6263 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6265 SCTP_TCB_UNLOCK(stcb); 6266 error = EINVAL; 6267 break; 6268 } 6269 } else 6270#endif 6271 { 6272 error = EAFNOSUPPORT; 6273 SCTP_TCB_UNLOCK(stcb); 6274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6275 break; 6276 } 6277 } 6278 if (stcb != NULL) { 6279 if (net != NULL) { 6280 net->failure_threshold = thlds->spt_pathmaxrxt; 6281 net->pf_threshold = thlds->spt_pathpfthld; 6282 if (net->dest_state & SCTP_ADDR_PF) { 6283 if ((net->error_count > net->failure_threshold) || 6284 (net->error_count <= net->pf_threshold)) { 6285 net->dest_state &= ~SCTP_ADDR_PF; 6286 } 6287 } else { 6288 if ((net->error_count > net->pf_threshold) && 6289 (net->error_count <= net->failure_threshold)) { 6290 net->dest_state |= SCTP_ADDR_PF; 6291 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6292 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6293 stcb->sctp_ep, stcb, net, 6294 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6295 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6296 } 6297 } 6298 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6299 if (net->error_count > net->failure_threshold) { 6300 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6301 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6302 } 6303 } else { 6304 if (net->error_count <= net->failure_threshold) { 6305 net->dest_state |= SCTP_ADDR_REACHABLE; 6306 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6307 } 6308 } 6309 } else { 6310 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6311 net->failure_threshold = thlds->spt_pathmaxrxt; 6312 net->pf_threshold = thlds->spt_pathpfthld; 6313 if (net->dest_state & SCTP_ADDR_PF) { 6314 if ((net->error_count > net->failure_threshold) || 6315 (net->error_count <= net->pf_threshold)) { 6316 net->dest_state &= ~SCTP_ADDR_PF; 6317 } 6318 } else { 6319 if ((net->error_count > net->pf_threshold) && 6320 (net->error_count <= net->failure_threshold)) { 6321 net->dest_state |= SCTP_ADDR_PF; 6322 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6323 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6324 stcb->sctp_ep, stcb, net, 6325 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6326 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6327 } 6328 } 6329 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6330 if (net->error_count > net->failure_threshold) { 6331 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6332 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6333 } 6334 } else { 6335 if (net->error_count <= net->failure_threshold) { 6336 net->dest_state |= SCTP_ADDR_REACHABLE; 6337 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6338 } 6339 } 6340 } 6341 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6342 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6343 } 6344 SCTP_TCB_UNLOCK(stcb); 6345 } else { 6346 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6347 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6348 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6349 SCTP_INP_WLOCK(inp); 6350 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6351 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6352 SCTP_INP_WUNLOCK(inp); 6353 } else { 6354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6355 error = EINVAL; 6356 } 6357 } 6358 break; 6359 } 6360 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6361 { 6362 struct sctp_udpencaps *encaps; 6363 struct sctp_nets *net; 6364 struct sockaddr *addr; 6365 6366#if defined(INET) && defined(INET6) 6367 struct sockaddr_in sin_store; 6368 6369#endif 6370 6371 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6372 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6373 6374#if defined(INET) && defined(INET6) 6375 if (encaps->sue_address.ss_family == AF_INET6) { 6376 struct sockaddr_in6 *sin6; 6377 6378 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6379 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6380 in6_sin6_2_sin(&sin_store, sin6); 6381 addr = (struct sockaddr *)&sin_store; 6382 } else { 6383 addr = (struct sockaddr *)&encaps->sue_address; 6384 } 6385 } else { 6386 addr = (struct sockaddr *)&encaps->sue_address; 6387 } 6388#else 6389 addr = (struct sockaddr *)&encaps->sue_address; 6390#endif 6391 if (stcb != NULL) { 6392 net = sctp_findnet(stcb, addr); 6393 } else { 6394 /* 6395 * We increment here since 6396 * sctp_findassociation_ep_addr() wil do a 6397 * decrement if it finds the stcb as long as 6398 * the locked tcb (last argument) is NOT a 6399 * TCB.. aka NULL. 6400 */ 6401 net = NULL; 6402 SCTP_INP_INCR_REF(inp); 6403 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6404 if (stcb == NULL) { 6405 SCTP_INP_DECR_REF(inp); 6406 } 6407 } 6408 if ((stcb != NULL) && (net == NULL)) { 6409#ifdef INET 6410 if (addr->sa_family == AF_INET) { 6411 6412 struct sockaddr_in *sin; 6413 6414 sin = (struct sockaddr_in *)addr; 6415 if (sin->sin_addr.s_addr != INADDR_ANY) { 6416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6417 SCTP_TCB_UNLOCK(stcb); 6418 error = EINVAL; 6419 break; 6420 } 6421 } else 6422#endif 6423#ifdef INET6 6424 if (addr->sa_family == AF_INET6) { 6425 struct sockaddr_in6 *sin6; 6426 6427 sin6 = (struct sockaddr_in6 *)addr; 6428 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6430 SCTP_TCB_UNLOCK(stcb); 6431 error = EINVAL; 6432 break; 6433 } 6434 } else 6435#endif 6436 { 6437 error = EAFNOSUPPORT; 6438 SCTP_TCB_UNLOCK(stcb); 6439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6440 break; 6441 } 6442 } 6443 if (stcb != NULL) { 6444 if (net != NULL) { 6445 net->port = encaps->sue_port; 6446 } else { 6447 stcb->asoc.port = encaps->sue_port; 6448 } 6449 SCTP_TCB_UNLOCK(stcb); 6450 } else { 6451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6453 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6454 SCTP_INP_WLOCK(inp); 6455 inp->sctp_ep.port = encaps->sue_port; 6456 SCTP_INP_WUNLOCK(inp); 6457 } else { 6458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6459 error = EINVAL; 6460 } 6461 } 6462 break; 6463 } 6464 case SCTP_ECN_SUPPORTED: 6465 { 6466 struct sctp_assoc_value *av; 6467 6468 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6469 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6470 6471 if (stcb) { 6472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6473 error = EINVAL; 6474 SCTP_TCB_UNLOCK(stcb); 6475 } else { 6476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6477 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6478 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6479 SCTP_INP_WLOCK(inp); 6480 if (av->assoc_value == 0) { 6481 inp->ecn_supported = 0; 6482 } else { 6483 inp->ecn_supported = 1; 6484 } 6485 SCTP_INP_WUNLOCK(inp); 6486 } else { 6487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6488 error = EINVAL; 6489 } 6490 } 6491 break; 6492 } 6493 case SCTP_PR_SUPPORTED: 6494 { 6495 struct sctp_assoc_value *av; 6496 6497 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6498 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6499 6500 if (stcb) { 6501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6502 error = EINVAL; 6503 SCTP_TCB_UNLOCK(stcb); 6504 } else { 6505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6507 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6508 SCTP_INP_WLOCK(inp); 6509 if (av->assoc_value == 0) { 6510 inp->prsctp_supported = 0; 6511 } else { 6512 inp->prsctp_supported = 1; 6513 } 6514 SCTP_INP_WUNLOCK(inp); 6515 } else { 6516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6517 error = EINVAL; 6518 } 6519 } 6520 break; 6521 } 6522 case SCTP_AUTH_SUPPORTED: 6523 { 6524 struct sctp_assoc_value *av; 6525 6526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6528 6529 if (stcb) { 6530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6531 error = EINVAL; 6532 SCTP_TCB_UNLOCK(stcb); 6533 } else { 6534 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6535 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6536 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6537 if ((av->assoc_value == 0) && 6538 (inp->asconf_supported == 1)) { 6539 /* 6540 * AUTH is required for 6541 * ASCONF 6542 */ 6543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6544 error = EINVAL; 6545 } else { 6546 SCTP_INP_WLOCK(inp); 6547 if (av->assoc_value == 0) { 6548 inp->auth_supported = 0; 6549 } else { 6550 inp->auth_supported = 1; 6551 } 6552 SCTP_INP_WUNLOCK(inp); 6553 } 6554 } else { 6555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6556 error = EINVAL; 6557 } 6558 } 6559 break; 6560 } 6561 case SCTP_ASCONF_SUPPORTED: 6562 { 6563 struct sctp_assoc_value *av; 6564 6565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6567 6568 if (stcb) { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 SCTP_TCB_UNLOCK(stcb); 6572 } else { 6573 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6574 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6575 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6576 if ((av->assoc_value != 0) && 6577 (inp->auth_supported == 0)) { 6578 /* 6579 * AUTH is required for 6580 * ASCONF 6581 */ 6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6583 error = EINVAL; 6584 } else { 6585 SCTP_INP_WLOCK(inp); 6586 if (av->assoc_value == 0) { 6587 inp->asconf_supported = 0; 6588 sctp_auth_delete_chunk(SCTP_ASCONF, 6589 inp->sctp_ep.local_auth_chunks); 6590 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6591 inp->sctp_ep.local_auth_chunks); 6592 } else { 6593 inp->asconf_supported = 1; 6594 sctp_auth_add_chunk(SCTP_ASCONF, 6595 inp->sctp_ep.local_auth_chunks); 6596 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6597 inp->sctp_ep.local_auth_chunks); 6598 } 6599 SCTP_INP_WUNLOCK(inp); 6600 } 6601 } else { 6602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6603 error = EINVAL; 6604 } 6605 } 6606 break; 6607 } 6608 case SCTP_RECONFIG_SUPPORTED: 6609 { 6610 struct sctp_assoc_value *av; 6611 6612 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6613 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6614 6615 if (stcb) { 6616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6617 error = EINVAL; 6618 SCTP_TCB_UNLOCK(stcb); 6619 } else { 6620 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6621 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6622 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6623 SCTP_INP_WLOCK(inp); 6624 if (av->assoc_value == 0) { 6625 inp->reconfig_supported = 0; 6626 } else { 6627 inp->reconfig_supported = 1; 6628 } 6629 SCTP_INP_WUNLOCK(inp); 6630 } else { 6631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6632 error = EINVAL; 6633 } 6634 } 6635 break; 6636 } 6637 case SCTP_NRSACK_SUPPORTED: 6638 { 6639 struct sctp_assoc_value *av; 6640 6641 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6642 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6643 6644 if (stcb) { 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 SCTP_TCB_UNLOCK(stcb); 6648 } else { 6649 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6650 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6651 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6652 SCTP_INP_WLOCK(inp); 6653 if (av->assoc_value == 0) { 6654 inp->nrsack_supported = 0; 6655 } else { 6656 inp->nrsack_supported = 1; 6657 } 6658 SCTP_INP_WUNLOCK(inp); 6659 } else { 6660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6661 error = EINVAL; 6662 } 6663 } 6664 break; 6665 } 6666 case SCTP_PKTDROP_SUPPORTED: 6667 { 6668 struct sctp_assoc_value *av; 6669 6670 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6671 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6672 6673 if (stcb) { 6674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6675 error = EINVAL; 6676 SCTP_TCB_UNLOCK(stcb); 6677 } else { 6678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6680 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6681 SCTP_INP_WLOCK(inp); 6682 if (av->assoc_value == 0) { 6683 inp->pktdrop_supported = 0; 6684 } else { 6685 inp->pktdrop_supported = 1; 6686 } 6687 SCTP_INP_WUNLOCK(inp); 6688 } else { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 } 6692 } 6693 break; 6694 } 6695 case SCTP_MAX_CWND: 6696 { 6697 struct sctp_assoc_value *av; 6698 struct sctp_nets *net; 6699 6700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6702 6703 if (stcb) { 6704 stcb->asoc.max_cwnd = av->assoc_value; 6705 if (stcb->asoc.max_cwnd > 0) { 6706 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6707 if ((net->cwnd > stcb->asoc.max_cwnd) && 6708 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6709 net->cwnd = stcb->asoc.max_cwnd; 6710 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6711 net->cwnd = net->mtu - sizeof(struct sctphdr); 6712 } 6713 } 6714 } 6715 } 6716 SCTP_TCB_UNLOCK(stcb); 6717 } else { 6718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6720 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6721 SCTP_INP_WLOCK(inp); 6722 inp->max_cwnd = av->assoc_value; 6723 SCTP_INP_WUNLOCK(inp); 6724 } else { 6725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6726 error = EINVAL; 6727 } 6728 } 6729 break; 6730 } 6731 default: 6732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6733 error = ENOPROTOOPT; 6734 break; 6735 } /* end switch (opt) */ 6736 return (error); 6737} 6738 6739int 6740sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6741{ 6742 void *optval = NULL; 6743 size_t optsize = 0; 6744 void *p; 6745 int error = 0; 6746 struct sctp_inpcb *inp; 6747 6748 if ((sopt->sopt_level == SOL_SOCKET) && 6749 (sopt->sopt_name == SO_SETFIB)) { 6750 inp = (struct sctp_inpcb *)so->so_pcb; 6751 if (inp == NULL) { 6752 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6753 return (EINVAL); 6754 } 6755 SCTP_INP_WLOCK(inp); 6756 inp->fibnum = so->so_fibnum; 6757 SCTP_INP_WUNLOCK(inp); 6758 return (0); 6759 } 6760 if (sopt->sopt_level != IPPROTO_SCTP) { 6761 /* wrong proto level... send back up to IP */ 6762#ifdef INET6 6763 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6764 error = ip6_ctloutput(so, sopt); 6765#endif /* INET6 */ 6766#if defined(INET) && defined(INET6) 6767 else 6768#endif 6769#ifdef INET 6770 error = ip_ctloutput(so, sopt); 6771#endif 6772 return (error); 6773 } 6774 optsize = sopt->sopt_valsize; 6775 if (optsize) { 6776 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6777 if (optval == NULL) { 6778 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6779 return (ENOBUFS); 6780 } 6781 error = sooptcopyin(sopt, optval, optsize, optsize); 6782 if (error) { 6783 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6784 goto out; 6785 } 6786 } 6787 p = (void *)sopt->sopt_td; 6788 if (sopt->sopt_dir == SOPT_SET) { 6789 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6790 } else if (sopt->sopt_dir == SOPT_GET) { 6791 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6792 } else { 6793 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6794 error = EINVAL; 6795 } 6796 if ((error == 0) && (optval != NULL)) { 6797 error = sooptcopyout(sopt, optval, optsize); 6798 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6799 } else if (optval != NULL) { 6800 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6801 } 6802out: 6803 return (error); 6804} 6805 6806#ifdef INET 6807static int 6808sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6809{ 6810 int error = 0; 6811 int create_lock_on = 0; 6812 uint32_t vrf_id; 6813 struct sctp_inpcb *inp; 6814 struct sctp_tcb *stcb = NULL; 6815 6816 inp = (struct sctp_inpcb *)so->so_pcb; 6817 if (inp == NULL) { 6818 /* I made the same as TCP since we are not setup? */ 6819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6820 return (ECONNRESET); 6821 } 6822 if (addr == NULL) { 6823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6824 return EINVAL; 6825 } 6826 switch (addr->sa_family) { 6827#ifdef INET6 6828 case AF_INET6: 6829 { 6830 struct sockaddr_in6 *sin6p; 6831 6832 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6834 return (EINVAL); 6835 } 6836 sin6p = (struct sockaddr_in6 *)addr; 6837 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6839 return (error); 6840 } 6841 break; 6842 } 6843#endif 6844#ifdef INET 6845 case AF_INET: 6846 { 6847 struct sockaddr_in *sinp; 6848 6849 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6851 return (EINVAL); 6852 } 6853 sinp = (struct sockaddr_in *)addr; 6854 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6856 return (error); 6857 } 6858 break; 6859 } 6860#endif 6861 default: 6862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6863 return (EAFNOSUPPORT); 6864 } 6865 SCTP_INP_INCR_REF(inp); 6866 SCTP_ASOC_CREATE_LOCK(inp); 6867 create_lock_on = 1; 6868 6869 6870 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6871 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6872 /* Should I really unlock ? */ 6873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6874 error = EFAULT; 6875 goto out_now; 6876 } 6877#ifdef INET6 6878 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6879 (addr->sa_family == AF_INET6)) { 6880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6881 error = EINVAL; 6882 goto out_now; 6883 } 6884#endif 6885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6886 SCTP_PCB_FLAGS_UNBOUND) { 6887 /* Bind a ephemeral port */ 6888 error = sctp_inpcb_bind(so, NULL, NULL, p); 6889 if (error) { 6890 goto out_now; 6891 } 6892 } 6893 /* Now do we connect? */ 6894 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6895 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6897 error = EINVAL; 6898 goto out_now; 6899 } 6900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6901 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6902 /* We are already connected AND the TCP model */ 6903 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6904 error = EADDRINUSE; 6905 goto out_now; 6906 } 6907 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6908 SCTP_INP_RLOCK(inp); 6909 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6910 SCTP_INP_RUNLOCK(inp); 6911 } else { 6912 /* 6913 * We increment here since sctp_findassociation_ep_addr() 6914 * will do a decrement if it finds the stcb as long as the 6915 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6916 */ 6917 SCTP_INP_INCR_REF(inp); 6918 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6919 if (stcb == NULL) { 6920 SCTP_INP_DECR_REF(inp); 6921 } else { 6922 SCTP_TCB_UNLOCK(stcb); 6923 } 6924 } 6925 if (stcb != NULL) { 6926 /* Already have or am bring up an association */ 6927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6928 error = EALREADY; 6929 goto out_now; 6930 } 6931 vrf_id = inp->def_vrf_id; 6932 /* We are GOOD to go */ 6933 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 6934 if (stcb == NULL) { 6935 /* Gak! no memory */ 6936 goto out_now; 6937 } 6938 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6939 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6940 /* Set the connected flag so we can queue data */ 6941 soisconnecting(so); 6942 } 6943 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6944 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6945 6946 /* initialize authentication parameters for the assoc */ 6947 sctp_initialize_auth_params(inp, stcb); 6948 6949 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6950 SCTP_TCB_UNLOCK(stcb); 6951out_now: 6952 if (create_lock_on) { 6953 SCTP_ASOC_CREATE_UNLOCK(inp); 6954 } 6955 SCTP_INP_DECR_REF(inp); 6956 return (error); 6957} 6958 6959#endif 6960 6961int 6962sctp_listen(struct socket *so, int backlog, struct thread *p) 6963{ 6964 /* 6965 * Note this module depends on the protocol processing being called 6966 * AFTER any socket level flags and backlog are applied to the 6967 * socket. The traditional way that the socket flags are applied is 6968 * AFTER protocol processing. We have made a change to the 6969 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6970 * place if the socket API for SCTP is to work properly. 6971 */ 6972 6973 int error = 0; 6974 struct sctp_inpcb *inp; 6975 6976 inp = (struct sctp_inpcb *)so->so_pcb; 6977 if (inp == NULL) { 6978 /* I made the same as TCP since we are not setup? */ 6979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6980 return (ECONNRESET); 6981 } 6982 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6983 /* See if we have a listener */ 6984 struct sctp_inpcb *tinp; 6985 union sctp_sockstore store; 6986 6987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6988 /* not bound all */ 6989 struct sctp_laddr *laddr; 6990 6991 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6992 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6993 switch (store.sa.sa_family) { 6994#ifdef INET 6995 case AF_INET: 6996 store.sin.sin_port = inp->sctp_lport; 6997 break; 6998#endif 6999#ifdef INET6 7000 case AF_INET6: 7001 store.sin6.sin6_port = inp->sctp_lport; 7002 break; 7003#endif 7004 default: 7005 break; 7006 } 7007 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7008 if (tinp && (tinp != inp) && 7009 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7010 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7011 (tinp->sctp_socket->so_qlimit)) { 7012 /* 7013 * we have a listener already and 7014 * its not this inp. 7015 */ 7016 SCTP_INP_DECR_REF(tinp); 7017 return (EADDRINUSE); 7018 } else if (tinp) { 7019 SCTP_INP_DECR_REF(tinp); 7020 } 7021 } 7022 } else { 7023 /* Setup a local addr bound all */ 7024 memset(&store, 0, sizeof(store)); 7025#ifdef INET6 7026 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7027 store.sa.sa_family = AF_INET6; 7028 store.sa.sa_len = sizeof(struct sockaddr_in6); 7029 } 7030#endif 7031#ifdef INET 7032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7033 store.sa.sa_family = AF_INET; 7034 store.sa.sa_len = sizeof(struct sockaddr_in); 7035 } 7036#endif 7037 switch (store.sa.sa_family) { 7038#ifdef INET 7039 case AF_INET: 7040 store.sin.sin_port = inp->sctp_lport; 7041 break; 7042#endif 7043#ifdef INET6 7044 case AF_INET6: 7045 store.sin6.sin6_port = inp->sctp_lport; 7046 break; 7047#endif 7048 default: 7049 break; 7050 } 7051 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7052 if (tinp && (tinp != inp) && 7053 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7054 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7055 (tinp->sctp_socket->so_qlimit)) { 7056 /* 7057 * we have a listener already and its not 7058 * this inp. 7059 */ 7060 SCTP_INP_DECR_REF(tinp); 7061 return (EADDRINUSE); 7062 } else if (tinp) { 7063 SCTP_INP_DECR_REF(tinp); 7064 } 7065 } 7066 } 7067 SCTP_INP_RLOCK(inp); 7068#ifdef SCTP_LOCK_LOGGING 7069 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7070 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7071 } 7072#endif 7073 SOCK_LOCK(so); 7074 error = solisten_proto_check(so); 7075 SOCK_UNLOCK(so); 7076 if (error) { 7077 SCTP_INP_RUNLOCK(inp); 7078 return (error); 7079 } 7080 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7082 /* 7083 * The unlucky case - We are in the tcp pool with this guy. 7084 * - Someone else is in the main inp slot. - We must move 7085 * this guy (the listener) to the main slot - We must then 7086 * move the guy that was listener to the TCP Pool. 7087 */ 7088 if (sctp_swap_inpcb_for_listen(inp)) { 7089 SCTP_INP_RUNLOCK(inp); 7090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7091 return (EADDRINUSE); 7092 } 7093 } 7094 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7095 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7096 /* We are already connected AND the TCP model */ 7097 SCTP_INP_RUNLOCK(inp); 7098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7099 return (EADDRINUSE); 7100 } 7101 SCTP_INP_RUNLOCK(inp); 7102 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7103 /* We must do a bind. */ 7104 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7105 /* bind error, probably perm */ 7106 return (error); 7107 } 7108 } 7109 SOCK_LOCK(so); 7110 /* It appears for 7.0 and on, we must always call this. */ 7111 solisten_proto(so, backlog); 7112 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7113 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7114 so->so_options &= ~SO_ACCEPTCONN; 7115 } 7116 if (backlog == 0) { 7117 /* turning off listen */ 7118 so->so_options &= ~SO_ACCEPTCONN; 7119 } 7120 SOCK_UNLOCK(so); 7121 return (error); 7122} 7123 7124static int sctp_defered_wakeup_cnt = 0; 7125 7126int 7127sctp_accept(struct socket *so, struct sockaddr **addr) 7128{ 7129 struct sctp_tcb *stcb; 7130 struct sctp_inpcb *inp; 7131 union sctp_sockstore store; 7132 7133#ifdef INET6 7134 int error; 7135 7136#endif 7137 inp = (struct sctp_inpcb *)so->so_pcb; 7138 7139 if (inp == NULL) { 7140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7141 return (ECONNRESET); 7142 } 7143 SCTP_INP_RLOCK(inp); 7144 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7145 SCTP_INP_RUNLOCK(inp); 7146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7147 return (EOPNOTSUPP); 7148 } 7149 if (so->so_state & SS_ISDISCONNECTED) { 7150 SCTP_INP_RUNLOCK(inp); 7151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7152 return (ECONNABORTED); 7153 } 7154 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7155 if (stcb == NULL) { 7156 SCTP_INP_RUNLOCK(inp); 7157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7158 return (ECONNRESET); 7159 } 7160 SCTP_TCB_LOCK(stcb); 7161 SCTP_INP_RUNLOCK(inp); 7162 store = stcb->asoc.primary_destination->ro._l_addr; 7163 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7164 SCTP_TCB_UNLOCK(stcb); 7165 switch (store.sa.sa_family) { 7166#ifdef INET 7167 case AF_INET: 7168 { 7169 struct sockaddr_in *sin; 7170 7171 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7172 if (sin == NULL) 7173 return (ENOMEM); 7174 sin->sin_family = AF_INET; 7175 sin->sin_len = sizeof(*sin); 7176 sin->sin_port = store.sin.sin_port; 7177 sin->sin_addr = store.sin.sin_addr; 7178 *addr = (struct sockaddr *)sin; 7179 break; 7180 } 7181#endif 7182#ifdef INET6 7183 case AF_INET6: 7184 { 7185 struct sockaddr_in6 *sin6; 7186 7187 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7188 if (sin6 == NULL) 7189 return (ENOMEM); 7190 sin6->sin6_family = AF_INET6; 7191 sin6->sin6_len = sizeof(*sin6); 7192 sin6->sin6_port = store.sin6.sin6_port; 7193 sin6->sin6_addr = store.sin6.sin6_addr; 7194 if ((error = sa6_recoverscope(sin6)) != 0) { 7195 SCTP_FREE_SONAME(sin6); 7196 return (error); 7197 } 7198 *addr = (struct sockaddr *)sin6; 7199 break; 7200 } 7201#endif 7202 default: 7203 /* TSNH */ 7204 break; 7205 } 7206 /* Wake any delayed sleep action */ 7207 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7208 SCTP_INP_WLOCK(inp); 7209 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7210 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7211 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7212 SCTP_INP_WUNLOCK(inp); 7213 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7214 if (sowriteable(inp->sctp_socket)) { 7215 sowwakeup_locked(inp->sctp_socket); 7216 } else { 7217 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7218 } 7219 SCTP_INP_WLOCK(inp); 7220 } 7221 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7222 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7223 SCTP_INP_WUNLOCK(inp); 7224 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7225 if (soreadable(inp->sctp_socket)) { 7226 sctp_defered_wakeup_cnt++; 7227 sorwakeup_locked(inp->sctp_socket); 7228 } else { 7229 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7230 } 7231 SCTP_INP_WLOCK(inp); 7232 } 7233 SCTP_INP_WUNLOCK(inp); 7234 } 7235 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7236 SCTP_TCB_LOCK(stcb); 7237 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7238 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7239 } 7240 return (0); 7241} 7242 7243#ifdef INET 7244int 7245sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7246{ 7247 struct sockaddr_in *sin; 7248 uint32_t vrf_id; 7249 struct sctp_inpcb *inp; 7250 struct sctp_ifa *sctp_ifa; 7251 7252 /* 7253 * Do the malloc first in case it blocks. 7254 */ 7255 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7256 if (sin == NULL) 7257 return (ENOMEM); 7258 sin->sin_family = AF_INET; 7259 sin->sin_len = sizeof(*sin); 7260 inp = (struct sctp_inpcb *)so->so_pcb; 7261 if (!inp) { 7262 SCTP_FREE_SONAME(sin); 7263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7264 return (ECONNRESET); 7265 } 7266 SCTP_INP_RLOCK(inp); 7267 sin->sin_port = inp->sctp_lport; 7268 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7269 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7270 struct sctp_tcb *stcb; 7271 struct sockaddr_in *sin_a; 7272 struct sctp_nets *net; 7273 int fnd; 7274 7275 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7276 if (stcb == NULL) { 7277 goto notConn; 7278 } 7279 fnd = 0; 7280 sin_a = NULL; 7281 SCTP_TCB_LOCK(stcb); 7282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7283 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7284 if (sin_a == NULL) 7285 /* this will make coverity happy */ 7286 continue; 7287 7288 if (sin_a->sin_family == AF_INET) { 7289 fnd = 1; 7290 break; 7291 } 7292 } 7293 if ((!fnd) || (sin_a == NULL)) { 7294 /* punt */ 7295 SCTP_TCB_UNLOCK(stcb); 7296 goto notConn; 7297 } 7298 vrf_id = inp->def_vrf_id; 7299 sctp_ifa = sctp_source_address_selection(inp, 7300 stcb, 7301 (sctp_route_t *) & net->ro, 7302 net, 0, vrf_id); 7303 if (sctp_ifa) { 7304 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7305 sctp_free_ifa(sctp_ifa); 7306 } 7307 SCTP_TCB_UNLOCK(stcb); 7308 } else { 7309 /* For the bound all case you get back 0 */ 7310 notConn: 7311 sin->sin_addr.s_addr = 0; 7312 } 7313 7314 } else { 7315 /* Take the first IPv4 address in the list */ 7316 struct sctp_laddr *laddr; 7317 int fnd = 0; 7318 7319 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7320 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7321 struct sockaddr_in *sin_a; 7322 7323 sin_a = &laddr->ifa->address.sin; 7324 sin->sin_addr = sin_a->sin_addr; 7325 fnd = 1; 7326 break; 7327 } 7328 } 7329 if (!fnd) { 7330 SCTP_FREE_SONAME(sin); 7331 SCTP_INP_RUNLOCK(inp); 7332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7333 return (ENOENT); 7334 } 7335 } 7336 SCTP_INP_RUNLOCK(inp); 7337 (*addr) = (struct sockaddr *)sin; 7338 return (0); 7339} 7340 7341int 7342sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7343{ 7344 struct sockaddr_in *sin; 7345 int fnd; 7346 struct sockaddr_in *sin_a; 7347 struct sctp_inpcb *inp; 7348 struct sctp_tcb *stcb; 7349 struct sctp_nets *net; 7350 7351 /* Do the malloc first in case it blocks. */ 7352 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7353 if (sin == NULL) 7354 return (ENOMEM); 7355 sin->sin_family = AF_INET; 7356 sin->sin_len = sizeof(*sin); 7357 7358 inp = (struct sctp_inpcb *)so->so_pcb; 7359 if ((inp == NULL) || 7360 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7361 /* UDP type and listeners will drop out here */ 7362 SCTP_FREE_SONAME(sin); 7363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7364 return (ENOTCONN); 7365 } 7366 SCTP_INP_RLOCK(inp); 7367 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7368 if (stcb) { 7369 SCTP_TCB_LOCK(stcb); 7370 } 7371 SCTP_INP_RUNLOCK(inp); 7372 if (stcb == NULL) { 7373 SCTP_FREE_SONAME(sin); 7374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7375 return (ECONNRESET); 7376 } 7377 fnd = 0; 7378 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7379 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7380 if (sin_a->sin_family == AF_INET) { 7381 fnd = 1; 7382 sin->sin_port = stcb->rport; 7383 sin->sin_addr = sin_a->sin_addr; 7384 break; 7385 } 7386 } 7387 SCTP_TCB_UNLOCK(stcb); 7388 if (!fnd) { 7389 /* No IPv4 address */ 7390 SCTP_FREE_SONAME(sin); 7391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7392 return (ENOENT); 7393 } 7394 (*addr) = (struct sockaddr *)sin; 7395 return (0); 7396} 7397 7398struct pr_usrreqs sctp_usrreqs = { 7399 .pru_abort = sctp_abort, 7400 .pru_accept = sctp_accept, 7401 .pru_attach = sctp_attach, 7402 .pru_bind = sctp_bind, 7403 .pru_connect = sctp_connect, 7404 .pru_control = in_control, 7405 .pru_close = sctp_close, 7406 .pru_detach = sctp_close, 7407 .pru_sopoll = sopoll_generic, 7408 .pru_flush = sctp_flush, 7409 .pru_disconnect = sctp_disconnect, 7410 .pru_listen = sctp_listen, 7411 .pru_peeraddr = sctp_peeraddr, 7412 .pru_send = sctp_sendm, 7413 .pru_shutdown = sctp_shutdown, 7414 .pru_sockaddr = sctp_ingetaddr, 7415 .pru_sosend = sctp_sosend, 7416 .pru_soreceive = sctp_soreceive 7417}; 7418 7419#endif 7420