sctp_usrreq.c revision 283722
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 283722 2015-05-29 12:48:14Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 } 129 if (chk->sent != SCTP_DATAGRAM_RESEND) { 130 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131 } 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 chk->rec.data.doing_fast_retransmit = 0; 134 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 135 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 136 chk->whoTo->flight_size, 137 chk->book_size, 138 (uintptr_t) chk->whoTo, 139 chk->rec.data.TSN_seq); 140 } 141 /* Clear any time so NO RTT is being done */ 142 chk->do_rtt = 0; 143 } 144 } 145} 146 147#ifdef INET 148static void 149sctp_notify_mbuf(struct sctp_inpcb *inp, 150 struct sctp_tcb *stcb, 151 struct sctp_nets *net, 152 struct ip *ip, 153 struct sctphdr *sh) 154{ 155 struct icmp *icmph; 156 int totsz, tmr_stopped = 0; 157 uint16_t nxtsz; 158 159 /* protection */ 160 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 161 (ip == NULL) || (sh == NULL)) { 162 if (stcb != NULL) { 163 SCTP_TCB_UNLOCK(stcb); 164 } 165 return; 166 } 167 /* First job is to verify the vtag matches what I would send */ 168 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 173 sizeof(struct ip))); 174 if (icmph->icmp_type != ICMP_UNREACH) { 175 /* We only care about unreachable */ 176 SCTP_TCB_UNLOCK(stcb); 177 return; 178 } 179 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 180 /* not a unreachable message due to frag. */ 181 SCTP_TCB_UNLOCK(stcb); 182 return; 183 } 184 totsz = ntohs(ip->ip_len); 185 186 nxtsz = ntohs(icmph->icmp_nextmtu); 187 if (nxtsz == 0) { 188 /* 189 * old type router that does not tell us what the next size 190 * mtu is. Rats we will have to guess (in a educated fashion 191 * of course) 192 */ 193 nxtsz = sctp_get_prev_mtu(totsz); 194 } 195 /* Stop any PMTU timer */ 196 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 197 tmr_stopped = 1; 198 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 199 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 200 } 201 /* Adjust destination size limit */ 202 if (net->mtu > nxtsz) { 203 net->mtu = nxtsz; 204 if (net->port) { 205 net->mtu -= sizeof(struct udphdr); 206 } 207 } 208 /* now what about the ep? */ 209 if (stcb->asoc.smallest_mtu > nxtsz) { 210 sctp_pathmtu_adjustment(stcb, nxtsz); 211 } 212 if (tmr_stopped) 213 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 214 215 SCTP_TCB_UNLOCK(stcb); 216} 217 218void 219sctp_notify(struct sctp_inpcb *inp, 220 struct ip *ip, 221 struct sctphdr *sh, 222 struct sockaddr *to, 223 struct sctp_tcb *stcb, 224 struct sctp_nets *net) 225{ 226#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 227 struct socket *so; 228 229#endif 230 struct icmp *icmph; 231 232 /* protection */ 233 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 234 (sh == NULL) || (to == NULL)) { 235 if (stcb) 236 SCTP_TCB_UNLOCK(stcb); 237 return; 238 } 239 /* First job is to verify the vtag matches what I would send */ 240 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 241 SCTP_TCB_UNLOCK(stcb); 242 return; 243 } 244 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 245 sizeof(struct ip))); 246 if (icmph->icmp_type != ICMP_UNREACH) { 247 /* We only care about unreachable */ 248 SCTP_TCB_UNLOCK(stcb); 249 return; 250 } 251 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST) || 253 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 254 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 255 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 256 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 257 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 258 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 259 260 /* 261 * Hmm reachablity problems we must examine closely. If its 262 * not reachable, we may have lost a network. Or if there is 263 * NO protocol at the other end named SCTP. well we consider 264 * it a OOTB abort. 265 */ 266 if (net->dest_state & SCTP_ADDR_REACHABLE) { 267 /* Ok that destination is NOT reachable */ 268 net->dest_state &= ~SCTP_ADDR_REACHABLE; 269 net->dest_state &= ~SCTP_ADDR_PF; 270 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 271 stcb, 0, 272 (void *)net, SCTP_SO_NOT_LOCKED); 273 } 274 SCTP_TCB_UNLOCK(stcb); 275 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 276 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 277 /* 278 * Here the peer is either playing tricks on us, including 279 * an address that belongs to someone who does not support 280 * SCTP OR was a userland implementation that shutdown and 281 * now is dead. In either case treat it like a OOTB abort 282 * with no TCB 283 */ 284 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 285#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 286 so = SCTP_INP_SO(inp); 287 atomic_add_int(&stcb->asoc.refcnt, 1); 288 SCTP_TCB_UNLOCK(stcb); 289 SCTP_SOCKET_LOCK(so, 1); 290 SCTP_TCB_LOCK(stcb); 291 atomic_subtract_int(&stcb->asoc.refcnt, 1); 292#endif 293 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 294#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 295 SCTP_SOCKET_UNLOCK(so, 1); 296 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 297#endif 298 /* no need to unlock here, since the TCB is gone */ 299 } else { 300 SCTP_TCB_UNLOCK(stcb); 301 } 302} 303 304#endif 305 306#ifdef INET 307void 308sctp_ctlinput(cmd, sa, vip) 309 int cmd; 310 struct sockaddr *sa; 311 void *vip; 312{ 313 struct ip *ip = vip; 314 struct sctphdr *sh; 315 uint32_t vrf_id; 316 317 /* FIX, for non-bsd is this right? */ 318 vrf_id = SCTP_DEFAULT_VRFID; 319 if (sa->sa_family != AF_INET || 320 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 321 return; 322 } 323 if (PRC_IS_REDIRECT(cmd)) { 324 ip = 0; 325 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 326 return; 327 } 328 if (ip) { 329 struct sctp_inpcb *inp = NULL; 330 struct sctp_tcb *stcb = NULL; 331 struct sctp_nets *net = NULL; 332 struct sockaddr_in to, from; 333 334 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 335 bzero(&to, sizeof(to)); 336 bzero(&from, sizeof(from)); 337 from.sin_family = to.sin_family = AF_INET; 338 from.sin_len = to.sin_len = sizeof(to); 339 from.sin_port = sh->src_port; 340 from.sin_addr = ip->ip_src; 341 to.sin_port = sh->dest_port; 342 to.sin_addr = ip->ip_dst; 343 344 /* 345 * 'to' holds the dest of the packet that failed to be sent. 346 * 'from' holds our local endpoint address. Thus we reverse 347 * the to and the from in the lookup. 348 */ 349 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 350 (struct sockaddr *)&from, 351 &inp, &net, 1, vrf_id); 352 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 353 if (cmd != PRC_MSGSIZE) { 354 sctp_notify(inp, ip, sh, 355 (struct sockaddr *)&to, stcb, 356 net); 357 } else { 358 /* handle possible ICMP size messages */ 359 sctp_notify_mbuf(inp, stcb, net, ip, sh); 360 } 361 } else { 362 if ((stcb == NULL) && (inp != NULL)) { 363 /* reduce ref-count */ 364 SCTP_INP_WLOCK(inp); 365 SCTP_INP_DECR_REF(inp); 366 SCTP_INP_WUNLOCK(inp); 367 } 368 if (stcb) { 369 SCTP_TCB_UNLOCK(stcb); 370 } 371 } 372 } 373 return; 374} 375 376#endif 377 378static int 379sctp_getcred(SYSCTL_HANDLER_ARGS) 380{ 381 struct xucred xuc; 382 struct sockaddr_in addrs[2]; 383 struct sctp_inpcb *inp; 384 struct sctp_nets *net; 385 struct sctp_tcb *stcb; 386 int error; 387 uint32_t vrf_id; 388 389 /* FIX, for non-bsd is this right? */ 390 vrf_id = SCTP_DEFAULT_VRFID; 391 392 error = priv_check(req->td, PRIV_NETINET_GETCRED); 393 394 if (error) 395 return (error); 396 397 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 398 if (error) 399 return (error); 400 401 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 402 sintosa(&addrs[0]), 403 &inp, &net, 1, vrf_id); 404 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 405 if ((inp != NULL) && (stcb == NULL)) { 406 /* reduce ref-count */ 407 SCTP_INP_WLOCK(inp); 408 SCTP_INP_DECR_REF(inp); 409 goto cred_can_cont; 410 } 411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 412 error = ENOENT; 413 goto out; 414 } 415 SCTP_TCB_UNLOCK(stcb); 416 /* 417 * We use the write lock here, only since in the error leg we need 418 * it. If we used RLOCK, then we would have to 419 * wlock/decr/unlock/rlock. Which in theory could create a hole. 420 * Better to use higher wlock. 421 */ 422 SCTP_INP_WLOCK(inp); 423cred_can_cont: 424 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 425 if (error) { 426 SCTP_INP_WUNLOCK(inp); 427 goto out; 428 } 429 cru2x(inp->sctp_socket->so_cred, &xuc); 430 SCTP_INP_WUNLOCK(inp); 431 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 432out: 433 return (error); 434} 435 436SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 437 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 438 439 440#ifdef INET 441static void 442sctp_abort(struct socket *so) 443{ 444 struct sctp_inpcb *inp; 445 uint32_t flags; 446 447 inp = (struct sctp_inpcb *)so->so_pcb; 448 if (inp == NULL) { 449 return; 450 } 451sctp_must_try_again: 452 flags = inp->sctp_flags; 453#ifdef SCTP_LOG_CLOSING 454 sctp_log_closing(inp, NULL, 17); 455#endif 456 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 457 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 458#ifdef SCTP_LOG_CLOSING 459 sctp_log_closing(inp, NULL, 16); 460#endif 461 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 462 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 463 SOCK_LOCK(so); 464 SCTP_SB_CLEAR(so->so_snd); 465 /* 466 * same for the rcv ones, they are only here for the 467 * accounting/select. 468 */ 469 SCTP_SB_CLEAR(so->so_rcv); 470 471 /* Now null out the reference, we are completely detached. */ 472 so->so_pcb = NULL; 473 SOCK_UNLOCK(so); 474 } else { 475 flags = inp->sctp_flags; 476 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 477 goto sctp_must_try_again; 478 } 479 } 480 return; 481} 482 483static int 484sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 485{ 486 struct sctp_inpcb *inp; 487 struct inpcb *ip_inp; 488 int error; 489 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 490 491#ifdef IPSEC 492 uint32_t flags; 493 494#endif 495 496 inp = (struct sctp_inpcb *)so->so_pcb; 497 if (inp != 0) { 498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 499 return (EINVAL); 500 } 501 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 502 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 503 if (error) { 504 return (error); 505 } 506 } 507 error = sctp_inpcb_alloc(so, vrf_id); 508 if (error) { 509 return (error); 510 } 511 inp = (struct sctp_inpcb *)so->so_pcb; 512 SCTP_INP_WLOCK(inp); 513 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 514 ip_inp = &inp->ip_inp.inp; 515 ip_inp->inp_vflag |= INP_IPV4; 516 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 517#ifdef IPSEC 518 error = ipsec_init_policy(so, &ip_inp->inp_sp); 519#ifdef SCTP_LOG_CLOSING 520 sctp_log_closing(inp, NULL, 17); 521#endif 522 if (error != 0) { 523try_again: 524 flags = inp->sctp_flags; 525 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 526 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 527#ifdef SCTP_LOG_CLOSING 528 sctp_log_closing(inp, NULL, 15); 529#endif 530 SCTP_INP_WUNLOCK(inp); 531 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 532 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 533 } else { 534 flags = inp->sctp_flags; 535 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 536 goto try_again; 537 } else { 538 SCTP_INP_WUNLOCK(inp); 539 } 540 } 541 return (error); 542 } 543#endif /* IPSEC */ 544 SCTP_INP_WUNLOCK(inp); 545 return (0); 546} 547 548static int 549sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 550{ 551 struct sctp_inpcb *inp; 552 553 inp = (struct sctp_inpcb *)so->so_pcb; 554 if (inp == NULL) { 555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 556 return (EINVAL); 557 } 558 if (addr != NULL) { 559 if ((addr->sa_family != AF_INET) || 560 (addr->sa_len != sizeof(struct sockaddr_in))) { 561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 562 return (EINVAL); 563 } 564 } 565 return (sctp_inpcb_bind(so, addr, NULL, p)); 566} 567 568#endif 569void 570sctp_close(struct socket *so) 571{ 572 struct sctp_inpcb *inp; 573 uint32_t flags; 574 575 inp = (struct sctp_inpcb *)so->so_pcb; 576 if (inp == NULL) 577 return; 578 579 /* 580 * Inform all the lower layer assoc that we are done. 581 */ 582sctp_must_try_again: 583 flags = inp->sctp_flags; 584#ifdef SCTP_LOG_CLOSING 585 sctp_log_closing(inp, NULL, 17); 586#endif 587 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 588 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 589 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 590 (so->so_rcv.sb_cc > 0)) { 591#ifdef SCTP_LOG_CLOSING 592 sctp_log_closing(inp, NULL, 13); 593#endif 594 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 595 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 596 } else { 597#ifdef SCTP_LOG_CLOSING 598 sctp_log_closing(inp, NULL, 14); 599#endif 600 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 601 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 602 } 603 /* 604 * The socket is now detached, no matter what the state of 605 * the SCTP association. 606 */ 607 SOCK_LOCK(so); 608 SCTP_SB_CLEAR(so->so_snd); 609 /* 610 * same for the rcv ones, they are only here for the 611 * accounting/select. 612 */ 613 SCTP_SB_CLEAR(so->so_rcv); 614 615 /* Now null out the reference, we are completely detached. */ 616 so->so_pcb = NULL; 617 SOCK_UNLOCK(so); 618 } else { 619 flags = inp->sctp_flags; 620 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 621 goto sctp_must_try_again; 622 } 623 } 624 return; 625} 626 627 628int 629sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 630 struct mbuf *control, struct thread *p); 631 632 633int 634sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 635 struct mbuf *control, struct thread *p) 636{ 637 struct sctp_inpcb *inp; 638 int error; 639 640 inp = (struct sctp_inpcb *)so->so_pcb; 641 if (inp == NULL) { 642 if (control) { 643 sctp_m_freem(control); 644 control = NULL; 645 } 646 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 647 sctp_m_freem(m); 648 return (EINVAL); 649 } 650 /* Got to have an to address if we are NOT a connected socket */ 651 if ((addr == NULL) && 652 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 653 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 654 goto connected_type; 655 } else if (addr == NULL) { 656 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 657 error = EDESTADDRREQ; 658 sctp_m_freem(m); 659 if (control) { 660 sctp_m_freem(control); 661 control = NULL; 662 } 663 return (error); 664 } 665#ifdef INET6 666 if (addr->sa_family != AF_INET) { 667 /* must be a v4 address! */ 668 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 669 sctp_m_freem(m); 670 if (control) { 671 sctp_m_freem(control); 672 control = NULL; 673 } 674 error = EDESTADDRREQ; 675 return (error); 676 } 677#endif /* INET6 */ 678connected_type: 679 /* now what about control */ 680 if (control) { 681 if (inp->control) { 682 SCTP_PRINTF("huh? control set?\n"); 683 sctp_m_freem(inp->control); 684 inp->control = NULL; 685 } 686 inp->control = control; 687 } 688 /* Place the data */ 689 if (inp->pkt) { 690 SCTP_BUF_NEXT(inp->pkt_last) = m; 691 inp->pkt_last = m; 692 } else { 693 inp->pkt_last = inp->pkt = m; 694 } 695 if ( 696 /* FreeBSD uses a flag passed */ 697 ((flags & PRUS_MORETOCOME) == 0) 698 ) { 699 /* 700 * note with the current version this code will only be used 701 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 702 * re-defining sosend to use the sctp_sosend. One can 703 * optionally switch back to this code (by changing back the 704 * definitions) but this is not advisable. This code is used 705 * by FreeBSD when sending a file with sendfile() though. 706 */ 707 int ret; 708 709 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 710 inp->pkt = NULL; 711 inp->control = NULL; 712 return (ret); 713 } else { 714 return (0); 715 } 716} 717 718int 719sctp_disconnect(struct socket *so) 720{ 721 struct sctp_inpcb *inp; 722 723 inp = (struct sctp_inpcb *)so->so_pcb; 724 if (inp == NULL) { 725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 726 return (ENOTCONN); 727 } 728 SCTP_INP_RLOCK(inp); 729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 731 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 732 /* No connection */ 733 SCTP_INP_RUNLOCK(inp); 734 return (0); 735 } else { 736 struct sctp_association *asoc; 737 struct sctp_tcb *stcb; 738 739 stcb = LIST_FIRST(&inp->sctp_asoc_list); 740 if (stcb == NULL) { 741 SCTP_INP_RUNLOCK(inp); 742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 743 return (EINVAL); 744 } 745 SCTP_TCB_LOCK(stcb); 746 asoc = &stcb->asoc; 747 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 748 /* We are about to be freed, out of here */ 749 SCTP_TCB_UNLOCK(stcb); 750 SCTP_INP_RUNLOCK(inp); 751 return (0); 752 } 753 if (((so->so_options & SO_LINGER) && 754 (so->so_linger == 0)) || 755 (so->so_rcv.sb_cc > 0)) { 756 if (SCTP_GET_STATE(asoc) != 757 SCTP_STATE_COOKIE_WAIT) { 758 /* Left with Data unread */ 759 struct mbuf *err; 760 761 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 762 if (err) { 763 /* 764 * Fill in the user 765 * initiated abort 766 */ 767 struct sctp_paramhdr *ph; 768 769 ph = mtod(err, struct sctp_paramhdr *); 770 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 771 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 772 ph->param_length = htons(SCTP_BUF_LEN(err)); 773 } 774 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 775 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 776 } 777 SCTP_INP_RUNLOCK(inp); 778 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 779 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 780 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 781 } 782 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 783 /* No unlock tcb assoc is gone */ 784 return (0); 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->stream_queue_cnt == 0)) { 789 /* there is nothing queued to send, so done */ 790 if (asoc->locked_on_sending) { 791 goto abort_anyway; 792 } 793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 795 /* only send SHUTDOWN 1st time thru */ 796 struct sctp_nets *netp; 797 798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 800 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 801 } 802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 804 sctp_stop_timers_for_shutdown(stcb); 805 if (stcb->asoc.alternate) { 806 netp = stcb->asoc.alternate; 807 } else { 808 netp = stcb->asoc.primary_destination; 809 } 810 sctp_send_shutdown(stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 812 stcb->sctp_ep, stcb, netp); 813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 814 stcb->sctp_ep, stcb, netp); 815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 816 } 817 } else { 818 /* 819 * we still got (or just got) data to send, 820 * so set SHUTDOWN_PENDING 821 */ 822 /* 823 * XXX sockets draft says that SCTP_EOF 824 * should be sent with no data. currently, 825 * we will allow user data to be sent first 826 * and move to SHUTDOWN-PENDING 827 */ 828 struct sctp_nets *netp; 829 830 if (stcb->asoc.alternate) { 831 netp = stcb->asoc.alternate; 832 } else { 833 netp = stcb->asoc.primary_destination; 834 } 835 836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 838 netp); 839 if (asoc->locked_on_sending) { 840 /* Locked to send out the data */ 841 struct sctp_stream_queue_pending *sp; 842 843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 844 if (sp == NULL) { 845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 846 asoc->locked_on_sending->stream_no); 847 } else { 848 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 850 } 851 } 852 if (TAILQ_EMPTY(&asoc->send_queue) && 853 TAILQ_EMPTY(&asoc->sent_queue) && 854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 855 struct mbuf *op_err; 856 857 abort_anyway: 858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 861 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 864 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 865 } 866 SCTP_INP_RUNLOCK(inp); 867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 868 return (0); 869 } else { 870 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 871 } 872 } 873 soisdisconnecting(so); 874 SCTP_TCB_UNLOCK(stcb); 875 SCTP_INP_RUNLOCK(inp); 876 return (0); 877 } 878 /* not reached */ 879 } else { 880 /* UDP model does not support this */ 881 SCTP_INP_RUNLOCK(inp); 882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 883 return (EOPNOTSUPP); 884 } 885} 886 887int 888sctp_flush(struct socket *so, int how) 889{ 890 /* 891 * We will just clear out the values and let subsequent close clear 892 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 893 * they will not be able to read the data, the socket will block 894 * that from happening. 895 */ 896 struct sctp_inpcb *inp; 897 898 inp = (struct sctp_inpcb *)so->so_pcb; 899 if (inp == NULL) { 900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 901 return (EINVAL); 902 } 903 SCTP_INP_RLOCK(inp); 904 /* For the 1 to many model this does nothing */ 905 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 906 SCTP_INP_RUNLOCK(inp); 907 return (0); 908 } 909 SCTP_INP_RUNLOCK(inp); 910 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 911 /* 912 * First make sure the sb will be happy, we don't use these 913 * except maybe the count 914 */ 915 SCTP_INP_WLOCK(inp); 916 SCTP_INP_READ_LOCK(inp); 917 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 918 SCTP_INP_READ_UNLOCK(inp); 919 SCTP_INP_WUNLOCK(inp); 920 so->so_rcv.sb_cc = 0; 921 so->so_rcv.sb_mbcnt = 0; 922 so->so_rcv.sb_mb = NULL; 923 } 924 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 925 /* 926 * First make sure the sb will be happy, we don't use these 927 * except maybe the count 928 */ 929 so->so_snd.sb_cc = 0; 930 so->so_snd.sb_mbcnt = 0; 931 so->so_snd.sb_mb = NULL; 932 933 } 934 return (0); 935} 936 937int 938sctp_shutdown(struct socket *so) 939{ 940 struct sctp_inpcb *inp; 941 942 inp = (struct sctp_inpcb *)so->so_pcb; 943 if (inp == NULL) { 944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 945 return (EINVAL); 946 } 947 SCTP_INP_RLOCK(inp); 948 /* For UDP model this is a invalid call */ 949 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 951 /* Restore the flags that the soshutdown took away. */ 952 SOCKBUF_LOCK(&so->so_rcv); 953 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 954 SOCKBUF_UNLOCK(&so->so_rcv); 955 /* This proc will wakeup for read and do nothing (I hope) */ 956 SCTP_INP_RUNLOCK(inp); 957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 958 return (EOPNOTSUPP); 959 } 960 /* 961 * Ok if we reach here its the TCP model and it is either a SHUT_WR 962 * or SHUT_RDWR. This means we put the shutdown flag against it. 963 */ 964 { 965 struct sctp_tcb *stcb; 966 struct sctp_association *asoc; 967 968 if ((so->so_state & 969 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 970 SCTP_INP_RUNLOCK(inp); 971 return (ENOTCONN); 972 } 973 socantsendmore(so); 974 975 stcb = LIST_FIRST(&inp->sctp_asoc_list); 976 if (stcb == NULL) { 977 /* 978 * Ok we hit the case that the shutdown call was 979 * made after an abort or something. Nothing to do 980 * now. 981 */ 982 SCTP_INP_RUNLOCK(inp); 983 return (0); 984 } 985 SCTP_TCB_LOCK(stcb); 986 asoc = &stcb->asoc; 987 if (TAILQ_EMPTY(&asoc->send_queue) && 988 TAILQ_EMPTY(&asoc->sent_queue) && 989 (asoc->stream_queue_cnt == 0)) { 990 if (asoc->locked_on_sending) { 991 goto abort_anyway; 992 } 993 /* there is nothing queued to send, so I'm done... */ 994 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 995 /* only send SHUTDOWN the first time through */ 996 struct sctp_nets *netp; 997 998 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 999 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1000 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1001 } 1002 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1003 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1004 sctp_stop_timers_for_shutdown(stcb); 1005 if (stcb->asoc.alternate) { 1006 netp = stcb->asoc.alternate; 1007 } else { 1008 netp = stcb->asoc.primary_destination; 1009 } 1010 sctp_send_shutdown(stcb, netp); 1011 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1012 stcb->sctp_ep, stcb, netp); 1013 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1014 stcb->sctp_ep, stcb, netp); 1015 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1016 } 1017 } else { 1018 /* 1019 * we still got (or just got) data to send, so set 1020 * SHUTDOWN_PENDING 1021 */ 1022 struct sctp_nets *netp; 1023 1024 if (stcb->asoc.alternate) { 1025 netp = stcb->asoc.alternate; 1026 } else { 1027 netp = stcb->asoc.primary_destination; 1028 } 1029 1030 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1031 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1032 netp); 1033 1034 if (asoc->locked_on_sending) { 1035 /* Locked to send out the data */ 1036 struct sctp_stream_queue_pending *sp; 1037 1038 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1039 if (sp == NULL) { 1040 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1041 asoc->locked_on_sending->stream_no); 1042 } else { 1043 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1044 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1045 } 1046 } 1047 } 1048 if (TAILQ_EMPTY(&asoc->send_queue) && 1049 TAILQ_EMPTY(&asoc->sent_queue) && 1050 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1051 struct mbuf *op_err; 1052 1053 abort_anyway: 1054 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1055 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1056 sctp_abort_an_association(stcb->sctp_ep, stcb, 1057 op_err, SCTP_SO_LOCKED); 1058 goto skip_unlock; 1059 } else { 1060 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1061 } 1062 } 1063 SCTP_TCB_UNLOCK(stcb); 1064 } 1065skip_unlock: 1066 SCTP_INP_RUNLOCK(inp); 1067 return (0); 1068} 1069 1070/* 1071 * copies a "user" presentable address and removes embedded scope, etc. 1072 * returns 0 on success, 1 on error 1073 */ 1074static uint32_t 1075sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1076{ 1077#ifdef INET6 1078 struct sockaddr_in6 lsa6; 1079 1080 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1081 &lsa6); 1082#endif 1083 memcpy(ss, sa, sa->sa_len); 1084 return (0); 1085} 1086 1087 1088 1089/* 1090 * NOTE: assumes addr lock is held 1091 */ 1092static size_t 1093sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1094 struct sctp_tcb *stcb, 1095 size_t limit, 1096 struct sockaddr_storage *sas, 1097 uint32_t vrf_id) 1098{ 1099 struct sctp_ifn *sctp_ifn; 1100 struct sctp_ifa *sctp_ifa; 1101 size_t actual; 1102 int loopback_scope; 1103 1104#if defined(INET) 1105 int ipv4_local_scope, ipv4_addr_legal; 1106 1107#endif 1108#if defined(INET6) 1109 int local_scope, site_scope, ipv6_addr_legal; 1110 1111#endif 1112 struct sctp_vrf *vrf; 1113 1114 actual = 0; 1115 if (limit <= 0) 1116 return (actual); 1117 1118 if (stcb) { 1119 /* Turn on all the appropriate scope */ 1120 loopback_scope = stcb->asoc.scope.loopback_scope; 1121#if defined(INET) 1122 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1123 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1124#endif 1125#if defined(INET6) 1126 local_scope = stcb->asoc.scope.local_scope; 1127 site_scope = stcb->asoc.scope.site_scope; 1128 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1129#endif 1130 } else { 1131 /* Use generic values for endpoints. */ 1132 loopback_scope = 1; 1133#if defined(INET) 1134 ipv4_local_scope = 1; 1135#endif 1136#if defined(INET6) 1137 local_scope = 1; 1138 site_scope = 1; 1139#endif 1140 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1141#if defined(INET6) 1142 ipv6_addr_legal = 1; 1143#endif 1144#if defined(INET) 1145 if (SCTP_IPV6_V6ONLY(inp)) { 1146 ipv4_addr_legal = 0; 1147 } else { 1148 ipv4_addr_legal = 1; 1149 } 1150#endif 1151 } else { 1152#if defined(INET6) 1153 ipv6_addr_legal = 0; 1154#endif 1155#if defined(INET) 1156 ipv4_addr_legal = 1; 1157#endif 1158 } 1159 } 1160 vrf = sctp_find_vrf(vrf_id); 1161 if (vrf == NULL) { 1162 return (0); 1163 } 1164 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1165 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1166 if ((loopback_scope == 0) && 1167 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1168 /* Skip loopback if loopback_scope not set */ 1169 continue; 1170 } 1171 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1172 if (stcb) { 1173 /* 1174 * For the BOUND-ALL case, the list 1175 * associated with a TCB is Always 1176 * considered a reverse list.. i.e. 1177 * it lists addresses that are NOT 1178 * part of the association. If this 1179 * is one of those we must skip it. 1180 */ 1181 if (sctp_is_addr_restricted(stcb, 1182 sctp_ifa)) { 1183 continue; 1184 } 1185 } 1186 switch (sctp_ifa->address.sa.sa_family) { 1187#ifdef INET 1188 case AF_INET: 1189 if (ipv4_addr_legal) { 1190 struct sockaddr_in *sin; 1191 1192 sin = &sctp_ifa->address.sin; 1193 if (sin->sin_addr.s_addr == 0) { 1194 /* 1195 * we skip 1196 * unspecifed 1197 * addresses 1198 */ 1199 continue; 1200 } 1201 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1202 &sin->sin_addr) != 0) { 1203 continue; 1204 } 1205 if ((ipv4_local_scope == 0) && 1206 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1207 continue; 1208 } 1209#ifdef INET6 1210 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1211 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1212 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1213 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1214 actual += sizeof(struct sockaddr_in6); 1215 } else { 1216#endif 1217 memcpy(sas, sin, sizeof(*sin)); 1218 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1220 actual += sizeof(*sin); 1221#ifdef INET6 1222 } 1223#endif 1224 if (actual >= limit) { 1225 return (actual); 1226 } 1227 } else { 1228 continue; 1229 } 1230 break; 1231#endif 1232#ifdef INET6 1233 case AF_INET6: 1234 if (ipv6_addr_legal) { 1235 struct sockaddr_in6 *sin6; 1236 1237 sin6 = &sctp_ifa->address.sin6; 1238 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1239 /* 1240 * we skip 1241 * unspecifed 1242 * addresses 1243 */ 1244 continue; 1245 } 1246 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1247 &sin6->sin6_addr) != 0) { 1248 continue; 1249 } 1250 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1251 if (local_scope == 0) 1252 continue; 1253 if (sin6->sin6_scope_id == 0) { 1254 if (sa6_recoverscope(sin6) != 0) 1255 /* 1256 * 1257 * bad 1258 * 1259 * li 1260 * nk 1261 * 1262 * loc 1263 * al 1264 * 1265 * add 1266 * re 1267 * ss 1268 * */ 1269 continue; 1270 } 1271 } 1272 if ((site_scope == 0) && 1273 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1274 continue; 1275 } 1276 memcpy(sas, sin6, sizeof(*sin6)); 1277 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1278 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1279 actual += sizeof(*sin6); 1280 if (actual >= limit) { 1281 return (actual); 1282 } 1283 } else { 1284 continue; 1285 } 1286 break; 1287#endif 1288 default: 1289 /* TSNH */ 1290 break; 1291 } 1292 } 1293 } 1294 } else { 1295 struct sctp_laddr *laddr; 1296 1297 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1298 if (stcb) { 1299 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1300 continue; 1301 } 1302 } 1303 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1304 continue; 1305 switch (laddr->ifa->address.sa.sa_family) { 1306#ifdef INET 1307 case AF_INET: 1308 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1309 break; 1310#endif 1311#ifdef INET6 1312 case AF_INET6: 1313 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1314 break; 1315#endif 1316 default: 1317 /* TSNH */ 1318 break; 1319 } 1320 sas = (struct sockaddr_storage *)((caddr_t)sas + 1321 laddr->ifa->address.sa.sa_len); 1322 actual += laddr->ifa->address.sa.sa_len; 1323 if (actual >= limit) { 1324 return (actual); 1325 } 1326 } 1327 } 1328 return (actual); 1329} 1330 1331static size_t 1332sctp_fill_up_addresses(struct sctp_inpcb *inp, 1333 struct sctp_tcb *stcb, 1334 size_t limit, 1335 struct sockaddr_storage *sas) 1336{ 1337 size_t size = 0; 1338 1339 SCTP_IPI_ADDR_RLOCK(); 1340 /* fill up addresses for the endpoint's default vrf */ 1341 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1342 inp->def_vrf_id); 1343 SCTP_IPI_ADDR_RUNLOCK(); 1344 return (size); 1345} 1346 1347/* 1348 * NOTE: assumes addr lock is held 1349 */ 1350static int 1351sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1352{ 1353 int cnt = 0; 1354 struct sctp_vrf *vrf = NULL; 1355 1356 /* 1357 * In both sub-set bound an bound_all cases we return the MAXIMUM 1358 * number of addresses that you COULD get. In reality the sub-set 1359 * bound may have an exclusion list for a given TCB OR in the 1360 * bound-all case a TCB may NOT include the loopback or other 1361 * addresses as well. 1362 */ 1363 vrf = sctp_find_vrf(vrf_id); 1364 if (vrf == NULL) { 1365 return (0); 1366 } 1367 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1368 struct sctp_ifn *sctp_ifn; 1369 struct sctp_ifa *sctp_ifa; 1370 1371 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1372 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1373 /* Count them if they are the right type */ 1374 switch (sctp_ifa->address.sa.sa_family) { 1375#ifdef INET 1376 case AF_INET: 1377#ifdef INET6 1378 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1379 cnt += sizeof(struct sockaddr_in6); 1380 else 1381 cnt += sizeof(struct sockaddr_in); 1382#else 1383 cnt += sizeof(struct sockaddr_in); 1384#endif 1385 break; 1386#endif 1387#ifdef INET6 1388 case AF_INET6: 1389 cnt += sizeof(struct sockaddr_in6); 1390 break; 1391#endif 1392 default: 1393 break; 1394 } 1395 } 1396 } 1397 } else { 1398 struct sctp_laddr *laddr; 1399 1400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1401 switch (laddr->ifa->address.sa.sa_family) { 1402#ifdef INET 1403 case AF_INET: 1404#ifdef INET6 1405 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1406 cnt += sizeof(struct sockaddr_in6); 1407 else 1408 cnt += sizeof(struct sockaddr_in); 1409#else 1410 cnt += sizeof(struct sockaddr_in); 1411#endif 1412 break; 1413#endif 1414#ifdef INET6 1415 case AF_INET6: 1416 cnt += sizeof(struct sockaddr_in6); 1417 break; 1418#endif 1419 default: 1420 break; 1421 } 1422 } 1423 } 1424 return (cnt); 1425} 1426 1427static int 1428sctp_count_max_addresses(struct sctp_inpcb *inp) 1429{ 1430 int cnt = 0; 1431 1432 SCTP_IPI_ADDR_RLOCK(); 1433 /* count addresses for the endpoint's default VRF */ 1434 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1435 SCTP_IPI_ADDR_RUNLOCK(); 1436 return (cnt); 1437} 1438 1439static int 1440sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1441 size_t optsize, void *p, int delay) 1442{ 1443 int error = 0; 1444 int creat_lock_on = 0; 1445 struct sctp_tcb *stcb = NULL; 1446 struct sockaddr *sa; 1447 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1448 uint32_t vrf_id; 1449 int bad_addresses = 0; 1450 sctp_assoc_t *a_id; 1451 1452 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1453 1454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1455 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1456 /* We are already connected AND the TCP model */ 1457 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1458 return (EADDRINUSE); 1459 } 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1461 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1463 return (EINVAL); 1464 } 1465 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1466 SCTP_INP_RLOCK(inp); 1467 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1468 SCTP_INP_RUNLOCK(inp); 1469 } 1470 if (stcb) { 1471 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1472 return (EALREADY); 1473 } 1474 SCTP_INP_INCR_REF(inp); 1475 SCTP_ASOC_CREATE_LOCK(inp); 1476 creat_lock_on = 1; 1477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1478 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1479 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1480 error = EFAULT; 1481 goto out_now; 1482 } 1483 totaddrp = (int *)optval; 1484 totaddr = *totaddrp; 1485 sa = (struct sockaddr *)(totaddrp + 1); 1486 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1487 if ((stcb != NULL) || bad_addresses) { 1488 /* Already have or am bring up an association */ 1489 SCTP_ASOC_CREATE_UNLOCK(inp); 1490 creat_lock_on = 0; 1491 if (stcb) 1492 SCTP_TCB_UNLOCK(stcb); 1493 if (bad_addresses == 0) { 1494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1495 error = EALREADY; 1496 } 1497 goto out_now; 1498 } 1499#ifdef INET6 1500 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1501 (num_v6 > 0)) { 1502 error = EINVAL; 1503 goto out_now; 1504 } 1505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1506 (num_v4 > 0)) { 1507 struct in6pcb *inp6; 1508 1509 inp6 = (struct in6pcb *)inp; 1510 if (SCTP_IPV6_V6ONLY(inp6)) { 1511 /* 1512 * if IPV6_V6ONLY flag, ignore connections destined 1513 * to a v4 addr or v4-mapped addr 1514 */ 1515 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1516 error = EINVAL; 1517 goto out_now; 1518 } 1519 } 1520#endif /* INET6 */ 1521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1522 SCTP_PCB_FLAGS_UNBOUND) { 1523 /* Bind a ephemeral port */ 1524 error = sctp_inpcb_bind(so, NULL, NULL, p); 1525 if (error) { 1526 goto out_now; 1527 } 1528 } 1529 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1530 vrf_id = inp->def_vrf_id; 1531 1532 1533 /* We are GOOD to go */ 1534 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1535 (struct thread *)p 1536 ); 1537 if (stcb == NULL) { 1538 /* Gak! no memory */ 1539 goto out_now; 1540 } 1541 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1542 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1543 /* Set the connected flag so we can queue data */ 1544 soisconnecting(so); 1545 } 1546 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1547 /* move to second address */ 1548 switch (sa->sa_family) { 1549#ifdef INET 1550 case AF_INET: 1551 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1552 break; 1553#endif 1554#ifdef INET6 1555 case AF_INET6: 1556 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1557 break; 1558#endif 1559 default: 1560 break; 1561 } 1562 1563 error = 0; 1564 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1565 /* Fill in the return id */ 1566 if (error) { 1567 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1568 goto out_now; 1569 } 1570 a_id = (sctp_assoc_t *) optval; 1571 *a_id = sctp_get_associd(stcb); 1572 1573 /* initialize authentication parameters for the assoc */ 1574 sctp_initialize_auth_params(inp, stcb); 1575 1576 if (delay) { 1577 /* doing delayed connection */ 1578 stcb->asoc.delayed_connection = 1; 1579 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1580 } else { 1581 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1582 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1583 } 1584 SCTP_TCB_UNLOCK(stcb); 1585 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1586 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1587 /* Set the connected flag so we can queue data */ 1588 soisconnecting(so); 1589 } 1590out_now: 1591 if (creat_lock_on) { 1592 SCTP_ASOC_CREATE_UNLOCK(inp); 1593 } 1594 SCTP_INP_DECR_REF(inp); 1595 return (error); 1596} 1597 1598#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1601 SCTP_INP_RLOCK(inp); \ 1602 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1603 if (stcb) { \ 1604 SCTP_TCB_LOCK(stcb); \ 1605 } \ 1606 SCTP_INP_RUNLOCK(inp); \ 1607 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1608 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1609 if (stcb == NULL) { \ 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1611 error = ENOENT; \ 1612 break; \ 1613 } \ 1614 } else { \ 1615 stcb = NULL; \ 1616 } \ 1617 } 1618 1619 1620#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1621 if (size < sizeof(type)) { \ 1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1623 error = EINVAL; \ 1624 break; \ 1625 } else { \ 1626 destp = (type *)srcp; \ 1627 } \ 1628 } 1629 1630static int 1631sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1632 void *p) 1633{ 1634 struct sctp_inpcb *inp = NULL; 1635 int error, val = 0; 1636 struct sctp_tcb *stcb = NULL; 1637 1638 if (optval == NULL) { 1639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1640 return (EINVAL); 1641 } 1642 inp = (struct sctp_inpcb *)so->so_pcb; 1643 if (inp == NULL) { 1644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1645 return EINVAL; 1646 } 1647 error = 0; 1648 1649 switch (optname) { 1650 case SCTP_NODELAY: 1651 case SCTP_AUTOCLOSE: 1652 case SCTP_EXPLICIT_EOR: 1653 case SCTP_AUTO_ASCONF: 1654 case SCTP_DISABLE_FRAGMENTS: 1655 case SCTP_I_WANT_MAPPED_V4_ADDR: 1656 case SCTP_USE_EXT_RCVINFO: 1657 SCTP_INP_RLOCK(inp); 1658 switch (optname) { 1659 case SCTP_DISABLE_FRAGMENTS: 1660 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1661 break; 1662 case SCTP_I_WANT_MAPPED_V4_ADDR: 1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1664 break; 1665 case SCTP_AUTO_ASCONF: 1666 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1667 /* only valid for bound all sockets */ 1668 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1669 } else { 1670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1671 error = EINVAL; 1672 goto flags_out; 1673 } 1674 break; 1675 case SCTP_EXPLICIT_EOR: 1676 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1677 break; 1678 case SCTP_NODELAY: 1679 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1680 break; 1681 case SCTP_USE_EXT_RCVINFO: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1683 break; 1684 case SCTP_AUTOCLOSE: 1685 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1686 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1687 else 1688 val = 0; 1689 break; 1690 1691 default: 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1693 error = ENOPROTOOPT; 1694 } /* end switch (sopt->sopt_name) */ 1695 if (*optsize < sizeof(val)) { 1696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1697 error = EINVAL; 1698 } 1699flags_out: 1700 SCTP_INP_RUNLOCK(inp); 1701 if (error == 0) { 1702 /* return the option value */ 1703 *(int *)optval = val; 1704 *optsize = sizeof(val); 1705 } 1706 break; 1707 case SCTP_GET_PACKET_LOG: 1708 { 1709#ifdef SCTP_PACKET_LOGGING 1710 uint8_t *target; 1711 int ret; 1712 1713 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1714 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1715 *optsize = ret; 1716#else 1717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1718 error = EOPNOTSUPP; 1719#endif 1720 break; 1721 } 1722 case SCTP_REUSE_PORT: 1723 { 1724 uint32_t *value; 1725 1726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1727 /* Can't do this for a 1-m socket */ 1728 error = EINVAL; 1729 break; 1730 } 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_PARTIAL_DELIVERY_POINT: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 *value = inp->partial_delivery_point; 1742 *optsize = sizeof(uint32_t); 1743 break; 1744 } 1745 case SCTP_FRAGMENT_INTERLEAVE: 1746 { 1747 uint32_t *value; 1748 1749 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1750 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1751 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1752 *value = SCTP_FRAG_LEVEL_2; 1753 } else { 1754 *value = SCTP_FRAG_LEVEL_1; 1755 } 1756 } else { 1757 *value = SCTP_FRAG_LEVEL_0; 1758 } 1759 *optsize = sizeof(uint32_t); 1760 break; 1761 } 1762 case SCTP_CMT_ON_OFF: 1763 { 1764 struct sctp_assoc_value *av; 1765 1766 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1767 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1768 if (stcb) { 1769 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1770 SCTP_TCB_UNLOCK(stcb); 1771 } else { 1772 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1773 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1774 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1775 SCTP_INP_RLOCK(inp); 1776 av->assoc_value = inp->sctp_cmt_on_off; 1777 SCTP_INP_RUNLOCK(inp); 1778 } else { 1779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1780 error = EINVAL; 1781 } 1782 } 1783 if (error == 0) { 1784 *optsize = sizeof(struct sctp_assoc_value); 1785 } 1786 break; 1787 } 1788 case SCTP_PLUGGABLE_CC: 1789 { 1790 struct sctp_assoc_value *av; 1791 1792 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1793 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1794 if (stcb) { 1795 av->assoc_value = stcb->asoc.congestion_control_module; 1796 SCTP_TCB_UNLOCK(stcb); 1797 } else { 1798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1800 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1801 SCTP_INP_RLOCK(inp); 1802 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1803 SCTP_INP_RUNLOCK(inp); 1804 } else { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } 1808 } 1809 if (error == 0) { 1810 *optsize = sizeof(struct sctp_assoc_value); 1811 } 1812 break; 1813 } 1814 case SCTP_CC_OPTION: 1815 { 1816 struct sctp_cc_option *cc_opt; 1817 1818 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1819 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1820 if (stcb == NULL) { 1821 error = EINVAL; 1822 } else { 1823 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1824 error = ENOTSUP; 1825 } else { 1826 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1827 *optsize = sizeof(struct sctp_cc_option); 1828 } 1829 SCTP_TCB_UNLOCK(stcb); 1830 } 1831 break; 1832 } 1833 case SCTP_PLUGGABLE_SS: 1834 { 1835 struct sctp_assoc_value *av; 1836 1837 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1838 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1839 if (stcb) { 1840 av->assoc_value = stcb->asoc.stream_scheduling_module; 1841 SCTP_TCB_UNLOCK(stcb); 1842 } else { 1843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1845 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1846 SCTP_INP_RLOCK(inp); 1847 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1848 SCTP_INP_RUNLOCK(inp); 1849 } else { 1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1851 error = EINVAL; 1852 } 1853 } 1854 if (error == 0) { 1855 *optsize = sizeof(struct sctp_assoc_value); 1856 } 1857 break; 1858 } 1859 case SCTP_SS_VALUE: 1860 { 1861 struct sctp_stream_value *av; 1862 1863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1864 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1865 if (stcb) { 1866 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1867 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1868 &av->stream_value) < 0)) { 1869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1870 error = EINVAL; 1871 } else { 1872 *optsize = sizeof(struct sctp_stream_value); 1873 } 1874 SCTP_TCB_UNLOCK(stcb); 1875 } else { 1876 /* 1877 * Can't get stream value without 1878 * association 1879 */ 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1881 error = EINVAL; 1882 } 1883 break; 1884 } 1885 case SCTP_GET_ADDR_LEN: 1886 { 1887 struct sctp_assoc_value *av; 1888 1889 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1890 error = EINVAL; 1891#ifdef INET 1892 if (av->assoc_value == AF_INET) { 1893 av->assoc_value = sizeof(struct sockaddr_in); 1894 error = 0; 1895 } 1896#endif 1897#ifdef INET6 1898 if (av->assoc_value == AF_INET6) { 1899 av->assoc_value = sizeof(struct sockaddr_in6); 1900 error = 0; 1901 } 1902#endif 1903 if (error) { 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1905 } else { 1906 *optsize = sizeof(struct sctp_assoc_value); 1907 } 1908 break; 1909 } 1910 case SCTP_GET_ASSOC_NUMBER: 1911 { 1912 uint32_t *value, cnt; 1913 1914 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1915 cnt = 0; 1916 SCTP_INP_RLOCK(inp); 1917 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1918 cnt++; 1919 } 1920 SCTP_INP_RUNLOCK(inp); 1921 *value = cnt; 1922 *optsize = sizeof(uint32_t); 1923 break; 1924 } 1925 case SCTP_GET_ASSOC_ID_LIST: 1926 { 1927 struct sctp_assoc_ids *ids; 1928 unsigned int at, limit; 1929 1930 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1931 at = 0; 1932 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1933 SCTP_INP_RLOCK(inp); 1934 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1935 if (at < limit) { 1936 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1937 } else { 1938 error = EINVAL; 1939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1940 break; 1941 } 1942 } 1943 SCTP_INP_RUNLOCK(inp); 1944 if (error == 0) { 1945 ids->gaids_number_of_ids = at; 1946 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1947 } 1948 break; 1949 } 1950 case SCTP_CONTEXT: 1951 { 1952 struct sctp_assoc_value *av; 1953 1954 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1955 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1956 1957 if (stcb) { 1958 av->assoc_value = stcb->asoc.context; 1959 SCTP_TCB_UNLOCK(stcb); 1960 } else { 1961 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1963 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1964 SCTP_INP_RLOCK(inp); 1965 av->assoc_value = inp->sctp_context; 1966 SCTP_INP_RUNLOCK(inp); 1967 } else { 1968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1969 error = EINVAL; 1970 } 1971 } 1972 if (error == 0) { 1973 *optsize = sizeof(struct sctp_assoc_value); 1974 } 1975 break; 1976 } 1977 case SCTP_VRF_ID: 1978 { 1979 uint32_t *default_vrfid; 1980 1981 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1982 *default_vrfid = inp->def_vrf_id; 1983 *optsize = sizeof(uint32_t); 1984 break; 1985 } 1986 case SCTP_GET_ASOC_VRF: 1987 { 1988 struct sctp_assoc_value *id; 1989 1990 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1991 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1992 if (stcb == NULL) { 1993 error = EINVAL; 1994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1995 } else { 1996 id->assoc_value = stcb->asoc.vrf_id; 1997 *optsize = sizeof(struct sctp_assoc_value); 1998 } 1999 break; 2000 } 2001 case SCTP_GET_VRF_IDS: 2002 { 2003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2004 error = EOPNOTSUPP; 2005 break; 2006 } 2007 case SCTP_GET_NONCE_VALUES: 2008 { 2009 struct sctp_get_nonce_values *gnv; 2010 2011 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2012 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2013 2014 if (stcb) { 2015 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2016 gnv->gn_local_tag = stcb->asoc.my_vtag; 2017 SCTP_TCB_UNLOCK(stcb); 2018 *optsize = sizeof(struct sctp_get_nonce_values); 2019 } else { 2020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2021 error = ENOTCONN; 2022 } 2023 break; 2024 } 2025 case SCTP_DELAYED_SACK: 2026 { 2027 struct sctp_sack_info *sack; 2028 2029 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2030 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2031 if (stcb) { 2032 sack->sack_delay = stcb->asoc.delayed_ack; 2033 sack->sack_freq = stcb->asoc.sack_freq; 2034 SCTP_TCB_UNLOCK(stcb); 2035 } else { 2036 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2037 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2038 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2039 SCTP_INP_RLOCK(inp); 2040 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2041 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2042 SCTP_INP_RUNLOCK(inp); 2043 } else { 2044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2045 error = EINVAL; 2046 } 2047 } 2048 if (error == 0) { 2049 *optsize = sizeof(struct sctp_sack_info); 2050 } 2051 break; 2052 } 2053 case SCTP_GET_SNDBUF_USE: 2054 { 2055 struct sctp_sockstat *ss; 2056 2057 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2058 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2059 2060 if (stcb) { 2061 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2062 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2063 stcb->asoc.size_on_all_streams); 2064 SCTP_TCB_UNLOCK(stcb); 2065 *optsize = sizeof(struct sctp_sockstat); 2066 } else { 2067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2068 error = ENOTCONN; 2069 } 2070 break; 2071 } 2072 case SCTP_MAX_BURST: 2073 { 2074 struct sctp_assoc_value *av; 2075 2076 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2077 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2078 2079 if (stcb) { 2080 av->assoc_value = stcb->asoc.max_burst; 2081 SCTP_TCB_UNLOCK(stcb); 2082 } else { 2083 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2084 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2085 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2086 SCTP_INP_RLOCK(inp); 2087 av->assoc_value = inp->sctp_ep.max_burst; 2088 SCTP_INP_RUNLOCK(inp); 2089 } else { 2090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2091 error = EINVAL; 2092 } 2093 } 2094 if (error == 0) { 2095 *optsize = sizeof(struct sctp_assoc_value); 2096 } 2097 break; 2098 } 2099 case SCTP_MAXSEG: 2100 { 2101 struct sctp_assoc_value *av; 2102 int ovh; 2103 2104 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2105 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2106 2107 if (stcb) { 2108 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2109 SCTP_TCB_UNLOCK(stcb); 2110 } else { 2111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2112 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2113 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2114 SCTP_INP_RLOCK(inp); 2115 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2116 ovh = SCTP_MED_OVERHEAD; 2117 } else { 2118 ovh = SCTP_MED_V4_OVERHEAD; 2119 } 2120 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2121 av->assoc_value = 0; 2122 else 2123 av->assoc_value = inp->sctp_frag_point - ovh; 2124 SCTP_INP_RUNLOCK(inp); 2125 } else { 2126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2127 error = EINVAL; 2128 } 2129 } 2130 if (error == 0) { 2131 *optsize = sizeof(struct sctp_assoc_value); 2132 } 2133 break; 2134 } 2135 case SCTP_GET_STAT_LOG: 2136 error = sctp_fill_stat_log(optval, optsize); 2137 break; 2138 case SCTP_EVENTS: 2139 { 2140 struct sctp_event_subscribe *events; 2141 2142 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2143 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2144 SCTP_INP_RLOCK(inp); 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2146 events->sctp_data_io_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2149 events->sctp_association_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2152 events->sctp_address_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2155 events->sctp_send_failure_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2158 events->sctp_peer_error_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2161 events->sctp_shutdown_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2164 events->sctp_partial_delivery_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2167 events->sctp_adaptation_layer_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2170 events->sctp_authentication_event = 1; 2171 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2173 events->sctp_sender_dry_event = 1; 2174 2175 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2176 events->sctp_stream_reset_event = 1; 2177 SCTP_INP_RUNLOCK(inp); 2178 *optsize = sizeof(struct sctp_event_subscribe); 2179 break; 2180 } 2181 case SCTP_ADAPTATION_LAYER: 2182 { 2183 uint32_t *value; 2184 2185 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2186 2187 SCTP_INP_RLOCK(inp); 2188 *value = inp->sctp_ep.adaptation_layer_indicator; 2189 SCTP_INP_RUNLOCK(inp); 2190 *optsize = sizeof(uint32_t); 2191 break; 2192 } 2193 case SCTP_SET_INITIAL_DBG_SEQ: 2194 { 2195 uint32_t *value; 2196 2197 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2198 SCTP_INP_RLOCK(inp); 2199 *value = inp->sctp_ep.initial_sequence_debug; 2200 SCTP_INP_RUNLOCK(inp); 2201 *optsize = sizeof(uint32_t); 2202 break; 2203 } 2204 case SCTP_GET_LOCAL_ADDR_SIZE: 2205 { 2206 uint32_t *value; 2207 2208 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2209 SCTP_INP_RLOCK(inp); 2210 *value = sctp_count_max_addresses(inp); 2211 SCTP_INP_RUNLOCK(inp); 2212 *optsize = sizeof(uint32_t); 2213 break; 2214 } 2215 case SCTP_GET_REMOTE_ADDR_SIZE: 2216 { 2217 uint32_t *value; 2218 size_t size; 2219 struct sctp_nets *net; 2220 2221 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2222 /* FIXME MT: change to sctp_assoc_value? */ 2223 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2224 2225 if (stcb) { 2226 size = 0; 2227 /* Count the sizes */ 2228 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2229 switch (net->ro._l_addr.sa.sa_family) { 2230#ifdef INET 2231 case AF_INET: 2232#ifdef INET6 2233 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2234 size += sizeof(struct sockaddr_in6); 2235 } else { 2236 size += sizeof(struct sockaddr_in); 2237 } 2238#else 2239 size += sizeof(struct sockaddr_in); 2240#endif 2241 break; 2242#endif 2243#ifdef INET6 2244 case AF_INET6: 2245 size += sizeof(struct sockaddr_in6); 2246 break; 2247#endif 2248 default: 2249 break; 2250 } 2251 } 2252 SCTP_TCB_UNLOCK(stcb); 2253 *value = (uint32_t) size; 2254 *optsize = sizeof(uint32_t); 2255 } else { 2256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2257 error = ENOTCONN; 2258 } 2259 break; 2260 } 2261 case SCTP_GET_PEER_ADDRESSES: 2262 /* 2263 * Get the address information, an array is passed in to 2264 * fill up we pack it. 2265 */ 2266 { 2267 size_t cpsz, left; 2268 struct sockaddr_storage *sas; 2269 struct sctp_nets *net; 2270 struct sctp_getaddresses *saddr; 2271 2272 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2273 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2274 2275 if (stcb) { 2276 left = (*optsize) - sizeof(struct sctp_getaddresses); 2277 *optsize = sizeof(struct sctp_getaddresses); 2278 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2279 2280 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2281 switch (net->ro._l_addr.sa.sa_family) { 2282#ifdef INET 2283 case AF_INET: 2284#ifdef INET6 2285 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2286 cpsz = sizeof(struct sockaddr_in6); 2287 } else { 2288 cpsz = sizeof(struct sockaddr_in); 2289 } 2290#else 2291 cpsz = sizeof(struct sockaddr_in); 2292#endif 2293 break; 2294#endif 2295#ifdef INET6 2296 case AF_INET6: 2297 cpsz = sizeof(struct sockaddr_in6); 2298 break; 2299#endif 2300 default: 2301 cpsz = 0; 2302 break; 2303 } 2304 if (cpsz == 0) { 2305 break; 2306 } 2307 if (left < cpsz) { 2308 /* not enough room. */ 2309 break; 2310 } 2311#if defined(INET) && defined(INET6) 2312 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2313 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2314 /* Must map the address */ 2315 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2316 (struct sockaddr_in6 *)sas); 2317 } else { 2318 memcpy(sas, &net->ro._l_addr, cpsz); 2319 } 2320#else 2321 memcpy(sas, &net->ro._l_addr, cpsz); 2322#endif 2323 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2324 2325 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2326 left -= cpsz; 2327 *optsize += cpsz; 2328 } 2329 SCTP_TCB_UNLOCK(stcb); 2330 } else { 2331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2332 error = ENOENT; 2333 } 2334 break; 2335 } 2336 case SCTP_GET_LOCAL_ADDRESSES: 2337 { 2338 size_t limit, actual; 2339 struct sockaddr_storage *sas; 2340 struct sctp_getaddresses *saddr; 2341 2342 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2343 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2344 2345 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2346 limit = *optsize - sizeof(sctp_assoc_t); 2347 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2348 if (stcb) { 2349 SCTP_TCB_UNLOCK(stcb); 2350 } 2351 *optsize = sizeof(struct sockaddr_storage) + actual; 2352 break; 2353 } 2354 case SCTP_PEER_ADDR_PARAMS: 2355 { 2356 struct sctp_paddrparams *paddrp; 2357 struct sctp_nets *net; 2358 struct sockaddr *addr; 2359 2360#if defined(INET) && defined(INET6) 2361 struct sockaddr_in sin_store; 2362 2363#endif 2364 2365 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2366 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2367 2368#if defined(INET) && defined(INET6) 2369 if (paddrp->spp_address.ss_family == AF_INET6) { 2370 struct sockaddr_in6 *sin6; 2371 2372 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2373 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2374 in6_sin6_2_sin(&sin_store, sin6); 2375 addr = (struct sockaddr *)&sin_store; 2376 } else { 2377 addr = (struct sockaddr *)&paddrp->spp_address; 2378 } 2379 } else { 2380 addr = (struct sockaddr *)&paddrp->spp_address; 2381 } 2382#else 2383 addr = (struct sockaddr *)&paddrp->spp_address; 2384#endif 2385 if (stcb != NULL) { 2386 net = sctp_findnet(stcb, addr); 2387 } else { 2388 /* 2389 * We increment here since 2390 * sctp_findassociation_ep_addr() wil do a 2391 * decrement if it finds the stcb as long as 2392 * the locked tcb (last argument) is NOT a 2393 * TCB.. aka NULL. 2394 */ 2395 net = NULL; 2396 SCTP_INP_INCR_REF(inp); 2397 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2398 if (stcb == NULL) { 2399 SCTP_INP_DECR_REF(inp); 2400 } 2401 } 2402 if ((stcb != NULL) && (net == NULL)) { 2403#ifdef INET 2404 if (addr->sa_family == AF_INET) { 2405 struct sockaddr_in *sin; 2406 2407 sin = (struct sockaddr_in *)addr; 2408 if (sin->sin_addr.s_addr != INADDR_ANY) { 2409 error = EINVAL; 2410 SCTP_TCB_UNLOCK(stcb); 2411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2412 break; 2413 } 2414 } else 2415#endif 2416#ifdef INET6 2417 if (addr->sa_family == AF_INET6) { 2418 struct sockaddr_in6 *sin6; 2419 2420 sin6 = (struct sockaddr_in6 *)addr; 2421 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2422 error = EINVAL; 2423 SCTP_TCB_UNLOCK(stcb); 2424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2425 break; 2426 } 2427 } else 2428#endif 2429 { 2430 error = EAFNOSUPPORT; 2431 SCTP_TCB_UNLOCK(stcb); 2432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2433 break; 2434 } 2435 } 2436 if (stcb != NULL) { 2437 /* Applies to the specific association */ 2438 paddrp->spp_flags = 0; 2439 if (net != NULL) { 2440 int ovh; 2441 2442 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2443 ovh = SCTP_MED_OVERHEAD; 2444 } else { 2445 ovh = SCTP_MED_V4_OVERHEAD; 2446 } 2447 2448 paddrp->spp_hbinterval = net->heart_beat_delay; 2449 paddrp->spp_pathmaxrxt = net->failure_threshold; 2450 paddrp->spp_pathmtu = net->mtu - ovh; 2451 /* get flags for HB */ 2452 if (net->dest_state & SCTP_ADDR_NOHB) { 2453 paddrp->spp_flags |= SPP_HB_DISABLE; 2454 } else { 2455 paddrp->spp_flags |= SPP_HB_ENABLE; 2456 } 2457 /* get flags for PMTU */ 2458 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2459 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2462 } 2463 if (net->dscp & 0x01) { 2464 paddrp->spp_dscp = net->dscp & 0xfc; 2465 paddrp->spp_flags |= SPP_DSCP; 2466 } 2467#ifdef INET6 2468 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2469 (net->flowlabel & 0x80000000)) { 2470 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2471 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2472 } 2473#endif 2474 } else { 2475 /* 2476 * No destination so return default 2477 * value 2478 */ 2479 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2480 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2481 if (stcb->asoc.default_dscp & 0x01) { 2482 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2483 paddrp->spp_flags |= SPP_DSCP; 2484 } 2485#ifdef INET6 2486 if (stcb->asoc.default_flowlabel & 0x80000000) { 2487 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2488 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2489 } 2490#endif 2491 /* default settings should be these */ 2492 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_DISABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_ENABLE; 2496 } 2497 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2501 } 2502 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2503 } 2504 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2505 SCTP_TCB_UNLOCK(stcb); 2506 } else { 2507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2509 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2510 /* Use endpoint defaults */ 2511 SCTP_INP_RLOCK(inp); 2512 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2513 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2514 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2515 /* get inp's default */ 2516 if (inp->sctp_ep.default_dscp & 0x01) { 2517 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2518 paddrp->spp_flags |= SPP_DSCP; 2519 } 2520#ifdef INET6 2521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2522 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2523 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2524 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2525 } 2526#endif 2527 /* can't return this */ 2528 paddrp->spp_pathmtu = 0; 2529 2530 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2531 paddrp->spp_flags |= SPP_HB_ENABLE; 2532 } else { 2533 paddrp->spp_flags |= SPP_HB_DISABLE; 2534 } 2535 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2536 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2537 } else { 2538 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2539 } 2540 SCTP_INP_RUNLOCK(inp); 2541 } else { 2542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2543 error = EINVAL; 2544 } 2545 } 2546 if (error == 0) { 2547 *optsize = sizeof(struct sctp_paddrparams); 2548 } 2549 break; 2550 } 2551 case SCTP_GET_PEER_ADDR_INFO: 2552 { 2553 struct sctp_paddrinfo *paddri; 2554 struct sctp_nets *net; 2555 struct sockaddr *addr; 2556 2557#if defined(INET) && defined(INET6) 2558 struct sockaddr_in sin_store; 2559 2560#endif 2561 2562 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2563 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2564 2565#if defined(INET) && defined(INET6) 2566 if (paddri->spinfo_address.ss_family == AF_INET6) { 2567 struct sockaddr_in6 *sin6; 2568 2569 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2570 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2571 in6_sin6_2_sin(&sin_store, sin6); 2572 addr = (struct sockaddr *)&sin_store; 2573 } else { 2574 addr = (struct sockaddr *)&paddri->spinfo_address; 2575 } 2576 } else { 2577 addr = (struct sockaddr *)&paddri->spinfo_address; 2578 } 2579#else 2580 addr = (struct sockaddr *)&paddri->spinfo_address; 2581#endif 2582 if (stcb != NULL) { 2583 net = sctp_findnet(stcb, addr); 2584 } else { 2585 /* 2586 * We increment here since 2587 * sctp_findassociation_ep_addr() wil do a 2588 * decrement if it finds the stcb as long as 2589 * the locked tcb (last argument) is NOT a 2590 * TCB.. aka NULL. 2591 */ 2592 net = NULL; 2593 SCTP_INP_INCR_REF(inp); 2594 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2595 if (stcb == NULL) { 2596 SCTP_INP_DECR_REF(inp); 2597 } 2598 } 2599 2600 if ((stcb != NULL) && (net != NULL)) { 2601 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2602 /* It's unconfirmed */ 2603 paddri->spinfo_state = SCTP_UNCONFIRMED; 2604 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2605 /* It's active */ 2606 paddri->spinfo_state = SCTP_ACTIVE; 2607 } else { 2608 /* It's inactive */ 2609 paddri->spinfo_state = SCTP_INACTIVE; 2610 } 2611 paddri->spinfo_cwnd = net->cwnd; 2612 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2613 paddri->spinfo_rto = net->RTO; 2614 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2615 paddri->spinfo_mtu = net->mtu; 2616 SCTP_TCB_UNLOCK(stcb); 2617 *optsize = sizeof(struct sctp_paddrinfo); 2618 } else { 2619 if (stcb != NULL) { 2620 SCTP_TCB_UNLOCK(stcb); 2621 } 2622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2623 error = ENOENT; 2624 } 2625 break; 2626 } 2627 case SCTP_PCB_STATUS: 2628 { 2629 struct sctp_pcbinfo *spcb; 2630 2631 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2632 sctp_fill_pcbinfo(spcb); 2633 *optsize = sizeof(struct sctp_pcbinfo); 2634 break; 2635 } 2636 case SCTP_STATUS: 2637 { 2638 struct sctp_nets *net; 2639 struct sctp_status *sstat; 2640 2641 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2642 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2643 2644 if (stcb == NULL) { 2645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2646 error = EINVAL; 2647 break; 2648 } 2649 /* 2650 * I think passing the state is fine since 2651 * sctp_constants.h will be available to the user 2652 * land. 2653 */ 2654 sstat->sstat_state = stcb->asoc.state; 2655 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2656 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2657 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2658 /* 2659 * We can't include chunks that have been passed to 2660 * the socket layer. Only things in queue. 2661 */ 2662 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2663 stcb->asoc.cnt_on_all_streams); 2664 2665 2666 sstat->sstat_instrms = stcb->asoc.streamincnt; 2667 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2668 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2669 memcpy(&sstat->sstat_primary.spinfo_address, 2670 &stcb->asoc.primary_destination->ro._l_addr, 2671 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2672 net = stcb->asoc.primary_destination; 2673 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2674 /* 2675 * Again the user can get info from sctp_constants.h 2676 * for what the state of the network is. 2677 */ 2678 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2679 /* It's unconfirmed */ 2680 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2681 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2682 /* It's active */ 2683 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2684 } else { 2685 /* It's inactive */ 2686 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2687 } 2688 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2689 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2690 sstat->sstat_primary.spinfo_rto = net->RTO; 2691 sstat->sstat_primary.spinfo_mtu = net->mtu; 2692 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2693 SCTP_TCB_UNLOCK(stcb); 2694 *optsize = sizeof(struct sctp_status); 2695 break; 2696 } 2697 case SCTP_RTOINFO: 2698 { 2699 struct sctp_rtoinfo *srto; 2700 2701 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2702 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2703 2704 if (stcb) { 2705 srto->srto_initial = stcb->asoc.initial_rto; 2706 srto->srto_max = stcb->asoc.maxrto; 2707 srto->srto_min = stcb->asoc.minrto; 2708 SCTP_TCB_UNLOCK(stcb); 2709 } else { 2710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2712 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2713 SCTP_INP_RLOCK(inp); 2714 srto->srto_initial = inp->sctp_ep.initial_rto; 2715 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2716 srto->srto_min = inp->sctp_ep.sctp_minrto; 2717 SCTP_INP_RUNLOCK(inp); 2718 } else { 2719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2720 error = EINVAL; 2721 } 2722 } 2723 if (error == 0) { 2724 *optsize = sizeof(struct sctp_rtoinfo); 2725 } 2726 break; 2727 } 2728 case SCTP_TIMEOUTS: 2729 { 2730 struct sctp_timeouts *stimo; 2731 2732 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2733 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2734 2735 if (stcb) { 2736 stimo->stimo_init = stcb->asoc.timoinit; 2737 stimo->stimo_data = stcb->asoc.timodata; 2738 stimo->stimo_sack = stcb->asoc.timosack; 2739 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2740 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2741 stimo->stimo_cookie = stcb->asoc.timocookie; 2742 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2743 SCTP_TCB_UNLOCK(stcb); 2744 *optsize = sizeof(struct sctp_timeouts); 2745 } else { 2746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2747 error = EINVAL; 2748 } 2749 break; 2750 } 2751 case SCTP_ASSOCINFO: 2752 { 2753 struct sctp_assocparams *sasoc; 2754 2755 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2756 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2757 2758 if (stcb) { 2759 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2760 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2761 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2762 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2763 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2764 SCTP_TCB_UNLOCK(stcb); 2765 } else { 2766 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2767 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2768 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2769 SCTP_INP_RLOCK(inp); 2770 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2771 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2772 sasoc->sasoc_number_peer_destinations = 0; 2773 sasoc->sasoc_peer_rwnd = 0; 2774 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2775 SCTP_INP_RUNLOCK(inp); 2776 } else { 2777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2778 error = EINVAL; 2779 } 2780 } 2781 if (error == 0) { 2782 *optsize = sizeof(struct sctp_assocparams); 2783 } 2784 break; 2785 } 2786 case SCTP_DEFAULT_SEND_PARAM: 2787 { 2788 struct sctp_sndrcvinfo *s_info; 2789 2790 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2791 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2792 2793 if (stcb) { 2794 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2795 SCTP_TCB_UNLOCK(stcb); 2796 } else { 2797 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2798 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2799 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2800 SCTP_INP_RLOCK(inp); 2801 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2802 SCTP_INP_RUNLOCK(inp); 2803 } else { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 } 2807 } 2808 if (error == 0) { 2809 *optsize = sizeof(struct sctp_sndrcvinfo); 2810 } 2811 break; 2812 } 2813 case SCTP_INITMSG: 2814 { 2815 struct sctp_initmsg *sinit; 2816 2817 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2818 SCTP_INP_RLOCK(inp); 2819 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2820 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2821 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2822 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2823 SCTP_INP_RUNLOCK(inp); 2824 *optsize = sizeof(struct sctp_initmsg); 2825 break; 2826 } 2827 case SCTP_PRIMARY_ADDR: 2828 /* we allow a "get" operation on this */ 2829 { 2830 struct sctp_setprim *ssp; 2831 2832 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2834 2835 if (stcb) { 2836 union sctp_sockstore *addr; 2837 2838 addr = &stcb->asoc.primary_destination->ro._l_addr; 2839 switch (addr->sa.sa_family) { 2840#ifdef INET 2841 case AF_INET: 2842#ifdef INET6 2843 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2844 in6_sin_2_v4mapsin6(&addr->sin, 2845 (struct sockaddr_in6 *)&ssp->ssp_addr); 2846 } else { 2847 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2848 } 2849#else 2850 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2851#endif 2852 break; 2853#endif 2854#ifdef INET6 2855 case AF_INET6: 2856 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2857 break; 2858#endif 2859 default: 2860 break; 2861 } 2862 SCTP_TCB_UNLOCK(stcb); 2863 *optsize = sizeof(struct sctp_setprim); 2864 } else { 2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2866 error = EINVAL; 2867 } 2868 break; 2869 } 2870 case SCTP_HMAC_IDENT: 2871 { 2872 struct sctp_hmacalgo *shmac; 2873 sctp_hmaclist_t *hmaclist; 2874 uint32_t size; 2875 int i; 2876 2877 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2878 2879 SCTP_INP_RLOCK(inp); 2880 hmaclist = inp->sctp_ep.local_hmacs; 2881 if (hmaclist == NULL) { 2882 /* no HMACs to return */ 2883 *optsize = sizeof(*shmac); 2884 SCTP_INP_RUNLOCK(inp); 2885 break; 2886 } 2887 /* is there room for all of the hmac ids? */ 2888 size = sizeof(*shmac) + (hmaclist->num_algo * 2889 sizeof(shmac->shmac_idents[0])); 2890 if ((size_t)(*optsize) < size) { 2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892 error = EINVAL; 2893 SCTP_INP_RUNLOCK(inp); 2894 break; 2895 } 2896 /* copy in the list */ 2897 shmac->shmac_number_of_idents = hmaclist->num_algo; 2898 for (i = 0; i < hmaclist->num_algo; i++) { 2899 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2900 } 2901 SCTP_INP_RUNLOCK(inp); 2902 *optsize = size; 2903 break; 2904 } 2905 case SCTP_AUTH_ACTIVE_KEY: 2906 { 2907 struct sctp_authkeyid *scact; 2908 2909 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2910 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2911 2912 if (stcb) { 2913 /* get the active key on the assoc */ 2914 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2915 SCTP_TCB_UNLOCK(stcb); 2916 } else { 2917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2919 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2920 /* get the endpoint active key */ 2921 SCTP_INP_RLOCK(inp); 2922 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2923 SCTP_INP_RUNLOCK(inp); 2924 } else { 2925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2926 error = EINVAL; 2927 } 2928 } 2929 if (error == 0) { 2930 *optsize = sizeof(struct sctp_authkeyid); 2931 } 2932 break; 2933 } 2934 case SCTP_LOCAL_AUTH_CHUNKS: 2935 { 2936 struct sctp_authchunks *sac; 2937 sctp_auth_chklist_t *chklist = NULL; 2938 size_t size = 0; 2939 2940 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2941 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2942 2943 if (stcb) { 2944 /* get off the assoc */ 2945 chklist = stcb->asoc.local_auth_chunks; 2946 /* is there enough space? */ 2947 size = sctp_auth_get_chklist_size(chklist); 2948 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2949 error = EINVAL; 2950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2951 } else { 2952 /* copy in the chunks */ 2953 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2954 sac->gauth_number_of_chunks = (uint32_t) size; 2955 *optsize = sizeof(struct sctp_authchunks) + size; 2956 } 2957 SCTP_TCB_UNLOCK(stcb); 2958 } else { 2959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2961 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2962 /* get off the endpoint */ 2963 SCTP_INP_RLOCK(inp); 2964 chklist = inp->sctp_ep.local_auth_chunks; 2965 /* is there enough space? */ 2966 size = sctp_auth_get_chklist_size(chklist); 2967 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2968 error = EINVAL; 2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2970 } else { 2971 /* copy in the chunks */ 2972 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2973 sac->gauth_number_of_chunks = (uint32_t) size; 2974 *optsize = sizeof(struct sctp_authchunks) + size; 2975 } 2976 SCTP_INP_RUNLOCK(inp); 2977 } else { 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2979 error = EINVAL; 2980 } 2981 } 2982 break; 2983 } 2984 case SCTP_PEER_AUTH_CHUNKS: 2985 { 2986 struct sctp_authchunks *sac; 2987 sctp_auth_chklist_t *chklist = NULL; 2988 size_t size = 0; 2989 2990 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2991 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2992 2993 if (stcb) { 2994 /* get off the assoc */ 2995 chklist = stcb->asoc.peer_auth_chunks; 2996 /* is there enough space? */ 2997 size = sctp_auth_get_chklist_size(chklist); 2998 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2999 error = EINVAL; 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3001 } else { 3002 /* copy in the chunks */ 3003 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3004 sac->gauth_number_of_chunks = (uint32_t) size; 3005 *optsize = sizeof(struct sctp_authchunks) + size; 3006 } 3007 SCTP_TCB_UNLOCK(stcb); 3008 } else { 3009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3010 error = ENOENT; 3011 } 3012 break; 3013 } 3014 case SCTP_EVENT: 3015 { 3016 struct sctp_event *event; 3017 uint32_t event_type; 3018 3019 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3020 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3021 3022 switch (event->se_type) { 3023 case SCTP_ASSOC_CHANGE: 3024 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3025 break; 3026 case SCTP_PEER_ADDR_CHANGE: 3027 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3028 break; 3029 case SCTP_REMOTE_ERROR: 3030 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3031 break; 3032 case SCTP_SEND_FAILED: 3033 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3034 break; 3035 case SCTP_SHUTDOWN_EVENT: 3036 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3037 break; 3038 case SCTP_ADAPTATION_INDICATION: 3039 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3040 break; 3041 case SCTP_PARTIAL_DELIVERY_EVENT: 3042 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3043 break; 3044 case SCTP_AUTHENTICATION_EVENT: 3045 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3046 break; 3047 case SCTP_STREAM_RESET_EVENT: 3048 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3049 break; 3050 case SCTP_SENDER_DRY_EVENT: 3051 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3052 break; 3053 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3054 event_type = 0; 3055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3056 error = ENOTSUP; 3057 break; 3058 case SCTP_ASSOC_RESET_EVENT: 3059 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3060 break; 3061 case SCTP_STREAM_CHANGE_EVENT: 3062 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3063 break; 3064 case SCTP_SEND_FAILED_EVENT: 3065 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3066 break; 3067 default: 3068 event_type = 0; 3069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3070 error = EINVAL; 3071 break; 3072 } 3073 if (event_type > 0) { 3074 if (stcb) { 3075 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3076 SCTP_TCB_UNLOCK(stcb); 3077 } else { 3078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3080 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3081 SCTP_INP_RLOCK(inp); 3082 event->se_on = sctp_is_feature_on(inp, event_type); 3083 SCTP_INP_RUNLOCK(inp); 3084 } else { 3085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3086 error = EINVAL; 3087 } 3088 } 3089 } 3090 if (error == 0) { 3091 *optsize = sizeof(struct sctp_event); 3092 } 3093 break; 3094 } 3095 case SCTP_RECVRCVINFO: 3096 { 3097 int onoff; 3098 3099 if (*optsize < sizeof(int)) { 3100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3101 error = EINVAL; 3102 } else { 3103 SCTP_INP_RLOCK(inp); 3104 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3105 SCTP_INP_RUNLOCK(inp); 3106 } 3107 if (error == 0) { 3108 /* return the option value */ 3109 *(int *)optval = onoff; 3110 *optsize = sizeof(int); 3111 } 3112 break; 3113 } 3114 case SCTP_RECVNXTINFO: 3115 { 3116 int onoff; 3117 3118 if (*optsize < sizeof(int)) { 3119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3120 error = EINVAL; 3121 } else { 3122 SCTP_INP_RLOCK(inp); 3123 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3124 SCTP_INP_RUNLOCK(inp); 3125 } 3126 if (error == 0) { 3127 /* return the option value */ 3128 *(int *)optval = onoff; 3129 *optsize = sizeof(int); 3130 } 3131 break; 3132 } 3133 case SCTP_DEFAULT_SNDINFO: 3134 { 3135 struct sctp_sndinfo *info; 3136 3137 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3138 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3139 3140 if (stcb) { 3141 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3142 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3143 info->snd_flags &= 0xfff0; 3144 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3145 info->snd_context = stcb->asoc.def_send.sinfo_context; 3146 SCTP_TCB_UNLOCK(stcb); 3147 } else { 3148 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3150 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3151 SCTP_INP_RLOCK(inp); 3152 info->snd_sid = inp->def_send.sinfo_stream; 3153 info->snd_flags = inp->def_send.sinfo_flags; 3154 info->snd_flags &= 0xfff0; 3155 info->snd_ppid = inp->def_send.sinfo_ppid; 3156 info->snd_context = inp->def_send.sinfo_context; 3157 SCTP_INP_RUNLOCK(inp); 3158 } else { 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3160 error = EINVAL; 3161 } 3162 } 3163 if (error == 0) { 3164 *optsize = sizeof(struct sctp_sndinfo); 3165 } 3166 break; 3167 } 3168 case SCTP_DEFAULT_PRINFO: 3169 { 3170 struct sctp_default_prinfo *info; 3171 3172 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3173 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3174 3175 if (stcb) { 3176 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3177 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3178 SCTP_TCB_UNLOCK(stcb); 3179 } else { 3180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3182 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3183 SCTP_INP_RLOCK(inp); 3184 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3185 info->pr_value = inp->def_send.sinfo_timetolive; 3186 SCTP_INP_RUNLOCK(inp); 3187 } else { 3188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3189 error = EINVAL; 3190 } 3191 } 3192 if (error == 0) { 3193 *optsize = sizeof(struct sctp_default_prinfo); 3194 } 3195 break; 3196 } 3197 case SCTP_PEER_ADDR_THLDS: 3198 { 3199 struct sctp_paddrthlds *thlds; 3200 struct sctp_nets *net; 3201 struct sockaddr *addr; 3202 3203#if defined(INET) && defined(INET6) 3204 struct sockaddr_in sin_store; 3205 3206#endif 3207 3208 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3210 3211#if defined(INET) && defined(INET6) 3212 if (thlds->spt_address.ss_family == AF_INET6) { 3213 struct sockaddr_in6 *sin6; 3214 3215 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3216 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3217 in6_sin6_2_sin(&sin_store, sin6); 3218 addr = (struct sockaddr *)&sin_store; 3219 } else { 3220 addr = (struct sockaddr *)&thlds->spt_address; 3221 } 3222 } else { 3223 addr = (struct sockaddr *)&thlds->spt_address; 3224 } 3225#else 3226 addr = (struct sockaddr *)&thlds->spt_address; 3227#endif 3228 if (stcb != NULL) { 3229 net = sctp_findnet(stcb, addr); 3230 } else { 3231 /* 3232 * We increment here since 3233 * sctp_findassociation_ep_addr() wil do a 3234 * decrement if it finds the stcb as long as 3235 * the locked tcb (last argument) is NOT a 3236 * TCB.. aka NULL. 3237 */ 3238 net = NULL; 3239 SCTP_INP_INCR_REF(inp); 3240 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3241 if (stcb == NULL) { 3242 SCTP_INP_DECR_REF(inp); 3243 } 3244 } 3245 if ((stcb != NULL) && (net == NULL)) { 3246#ifdef INET 3247 if (addr->sa_family == AF_INET) { 3248 struct sockaddr_in *sin; 3249 3250 sin = (struct sockaddr_in *)addr; 3251 if (sin->sin_addr.s_addr != INADDR_ANY) { 3252 error = EINVAL; 3253 SCTP_TCB_UNLOCK(stcb); 3254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3255 break; 3256 } 3257 } else 3258#endif 3259#ifdef INET6 3260 if (addr->sa_family == AF_INET6) { 3261 struct sockaddr_in6 *sin6; 3262 3263 sin6 = (struct sockaddr_in6 *)addr; 3264 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3265 error = EINVAL; 3266 SCTP_TCB_UNLOCK(stcb); 3267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3268 break; 3269 } 3270 } else 3271#endif 3272 { 3273 error = EAFNOSUPPORT; 3274 SCTP_TCB_UNLOCK(stcb); 3275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3276 break; 3277 } 3278 } 3279 if (stcb != NULL) { 3280 if (net != NULL) { 3281 thlds->spt_pathmaxrxt = net->failure_threshold; 3282 thlds->spt_pathpfthld = net->pf_threshold; 3283 } else { 3284 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3285 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3286 } 3287 thlds->spt_assoc_id = sctp_get_associd(stcb); 3288 SCTP_TCB_UNLOCK(stcb); 3289 } else { 3290 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3291 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3292 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3293 /* Use endpoint defaults */ 3294 SCTP_INP_RLOCK(inp); 3295 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3296 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 3314#if defined(INET) && defined(INET6) 3315 struct sockaddr_in sin_store; 3316 3317#endif 3318 3319 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3320 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3321 3322#if defined(INET) && defined(INET6) 3323 if (encaps->sue_address.ss_family == AF_INET6) { 3324 struct sockaddr_in6 *sin6; 3325 3326 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3327 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3328 in6_sin6_2_sin(&sin_store, sin6); 3329 addr = (struct sockaddr *)&sin_store; 3330 } else { 3331 addr = (struct sockaddr *)&encaps->sue_address; 3332 } 3333 } else { 3334 addr = (struct sockaddr *)&encaps->sue_address; 3335 } 3336#else 3337 addr = (struct sockaddr *)&encaps->sue_address; 3338#endif 3339 if (stcb) { 3340 net = sctp_findnet(stcb, addr); 3341 } else { 3342 /* 3343 * We increment here since 3344 * sctp_findassociation_ep_addr() wil do a 3345 * decrement if it finds the stcb as long as 3346 * the locked tcb (last argument) is NOT a 3347 * TCB.. aka NULL. 3348 */ 3349 net = NULL; 3350 SCTP_INP_INCR_REF(inp); 3351 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3352 if (stcb == NULL) { 3353 SCTP_INP_DECR_REF(inp); 3354 } 3355 } 3356 if ((stcb != NULL) && (net == NULL)) { 3357#ifdef INET 3358 if (addr->sa_family == AF_INET) { 3359 struct sockaddr_in *sin; 3360 3361 sin = (struct sockaddr_in *)addr; 3362 if (sin->sin_addr.s_addr != INADDR_ANY) { 3363 error = EINVAL; 3364 SCTP_TCB_UNLOCK(stcb); 3365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3366 break; 3367 } 3368 } else 3369#endif 3370#ifdef INET6 3371 if (addr->sa_family == AF_INET6) { 3372 struct sockaddr_in6 *sin6; 3373 3374 sin6 = (struct sockaddr_in6 *)addr; 3375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3376 error = EINVAL; 3377 SCTP_TCB_UNLOCK(stcb); 3378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3379 break; 3380 } 3381 } else 3382#endif 3383 { 3384 error = EAFNOSUPPORT; 3385 SCTP_TCB_UNLOCK(stcb); 3386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3387 break; 3388 } 3389 } 3390 if (stcb != NULL) { 3391 if (net) { 3392 encaps->sue_port = net->port; 3393 } else { 3394 encaps->sue_port = stcb->asoc.port; 3395 } 3396 SCTP_TCB_UNLOCK(stcb); 3397 } else { 3398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3400 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3401 SCTP_INP_RLOCK(inp); 3402 encaps->sue_port = inp->sctp_ep.port; 3403 SCTP_INP_RUNLOCK(inp); 3404 } else { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 error = EINVAL; 3407 } 3408 } 3409 if (error == 0) { 3410 *optsize = sizeof(struct sctp_udpencaps); 3411 } 3412 break; 3413 } 3414 case SCTP_ECN_SUPPORTED: 3415 { 3416 struct sctp_assoc_value *av; 3417 3418 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3419 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3420 3421 if (stcb) { 3422 av->assoc_value = stcb->asoc.ecn_supported; 3423 SCTP_TCB_UNLOCK(stcb); 3424 } else { 3425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3427 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3428 SCTP_INP_RLOCK(inp); 3429 av->assoc_value = inp->ecn_supported; 3430 SCTP_INP_RUNLOCK(inp); 3431 } else { 3432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3433 error = EINVAL; 3434 } 3435 } 3436 if (error == 0) { 3437 *optsize = sizeof(struct sctp_assoc_value); 3438 } 3439 break; 3440 } 3441 case SCTP_PR_SUPPORTED: 3442 { 3443 struct sctp_assoc_value *av; 3444 3445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3447 3448 if (stcb) { 3449 av->assoc_value = stcb->asoc.prsctp_supported; 3450 SCTP_TCB_UNLOCK(stcb); 3451 } else { 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3454 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3455 SCTP_INP_RLOCK(inp); 3456 av->assoc_value = inp->prsctp_supported; 3457 SCTP_INP_RUNLOCK(inp); 3458 } else { 3459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3460 error = EINVAL; 3461 } 3462 } 3463 if (error == 0) { 3464 *optsize = sizeof(struct sctp_assoc_value); 3465 } 3466 break; 3467 } 3468 case SCTP_AUTH_SUPPORTED: 3469 { 3470 struct sctp_assoc_value *av; 3471 3472 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3473 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3474 3475 if (stcb) { 3476 av->assoc_value = stcb->asoc.auth_supported; 3477 SCTP_TCB_UNLOCK(stcb); 3478 } else { 3479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3481 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3482 SCTP_INP_RLOCK(inp); 3483 av->assoc_value = inp->auth_supported; 3484 SCTP_INP_RUNLOCK(inp); 3485 } else { 3486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3487 error = EINVAL; 3488 } 3489 } 3490 if (error == 0) { 3491 *optsize = sizeof(struct sctp_assoc_value); 3492 } 3493 break; 3494 } 3495 case SCTP_ASCONF_SUPPORTED: 3496 { 3497 struct sctp_assoc_value *av; 3498 3499 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3500 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3501 3502 if (stcb) { 3503 av->assoc_value = stcb->asoc.asconf_supported; 3504 SCTP_TCB_UNLOCK(stcb); 3505 } else { 3506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3508 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3509 SCTP_INP_RLOCK(inp); 3510 av->assoc_value = inp->asconf_supported; 3511 SCTP_INP_RUNLOCK(inp); 3512 } else { 3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3514 error = EINVAL; 3515 } 3516 } 3517 if (error == 0) { 3518 *optsize = sizeof(struct sctp_assoc_value); 3519 } 3520 break; 3521 } 3522 case SCTP_RECONFIG_SUPPORTED: 3523 { 3524 struct sctp_assoc_value *av; 3525 3526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3528 3529 if (stcb) { 3530 av->assoc_value = stcb->asoc.reconfig_supported; 3531 SCTP_TCB_UNLOCK(stcb); 3532 } else { 3533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3535 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3536 SCTP_INP_RLOCK(inp); 3537 av->assoc_value = inp->reconfig_supported; 3538 SCTP_INP_RUNLOCK(inp); 3539 } else { 3540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3541 error = EINVAL; 3542 } 3543 } 3544 if (error == 0) { 3545 *optsize = sizeof(struct sctp_assoc_value); 3546 } 3547 break; 3548 } 3549 case SCTP_NRSACK_SUPPORTED: 3550 { 3551 struct sctp_assoc_value *av; 3552 3553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3555 3556 if (stcb) { 3557 av->assoc_value = stcb->asoc.nrsack_supported; 3558 SCTP_TCB_UNLOCK(stcb); 3559 } else { 3560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3561 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3562 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3563 SCTP_INP_RLOCK(inp); 3564 av->assoc_value = inp->nrsack_supported; 3565 SCTP_INP_RUNLOCK(inp); 3566 } else { 3567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3568 error = EINVAL; 3569 } 3570 } 3571 if (error == 0) { 3572 *optsize = sizeof(struct sctp_assoc_value); 3573 } 3574 break; 3575 } 3576 case SCTP_PKTDROP_SUPPORTED: 3577 { 3578 struct sctp_assoc_value *av; 3579 3580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3582 3583 if (stcb) { 3584 av->assoc_value = stcb->asoc.pktdrop_supported; 3585 SCTP_TCB_UNLOCK(stcb); 3586 } else { 3587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3589 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3590 SCTP_INP_RLOCK(inp); 3591 av->assoc_value = inp->pktdrop_supported; 3592 SCTP_INP_RUNLOCK(inp); 3593 } else { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 } 3597 } 3598 if (error == 0) { 3599 *optsize = sizeof(struct sctp_assoc_value); 3600 } 3601 break; 3602 } 3603 case SCTP_ENABLE_STREAM_RESET: 3604 { 3605 struct sctp_assoc_value *av; 3606 3607 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3608 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3609 3610 if (stcb) { 3611 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3612 SCTP_TCB_UNLOCK(stcb); 3613 } else { 3614 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3615 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3616 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3617 SCTP_INP_RLOCK(inp); 3618 av->assoc_value = (uint32_t) inp->local_strreset_support; 3619 SCTP_INP_RUNLOCK(inp); 3620 } else { 3621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3622 error = EINVAL; 3623 } 3624 } 3625 if (error == 0) { 3626 *optsize = sizeof(struct sctp_assoc_value); 3627 } 3628 break; 3629 } 3630 case SCTP_PR_STREAM_STATUS: 3631 { 3632 struct sctp_prstatus *sprstat; 3633 uint16_t sid; 3634 uint16_t policy; 3635 3636 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3637 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3638 3639 sid = sprstat->sprstat_sid; 3640 policy = sprstat->sprstat_policy; 3641#if defined(SCTP_DETAILED_STR_STATS) 3642 if ((stcb != NULL) && 3643 (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 default: 3698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3699 error = ENOPROTOOPT; 3700 break; 3701 } /* end switch (sopt->sopt_name) */ 3702 if (error) { 3703 *optsize = 0; 3704 } 3705 return (error); 3706} 3707 3708static int 3709sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3710 void *p) 3711{ 3712 int error, set_opt; 3713 uint32_t *mopt; 3714 struct sctp_tcb *stcb = NULL; 3715 struct sctp_inpcb *inp = NULL; 3716 uint32_t vrf_id; 3717 3718 if (optval == NULL) { 3719 SCTP_PRINTF("optval is NULL\n"); 3720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3721 return (EINVAL); 3722 } 3723 inp = (struct sctp_inpcb *)so->so_pcb; 3724 if (inp == NULL) { 3725 SCTP_PRINTF("inp is NULL?\n"); 3726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3727 return (EINVAL); 3728 } 3729 vrf_id = inp->def_vrf_id; 3730 3731 error = 0; 3732 switch (optname) { 3733 case SCTP_NODELAY: 3734 case SCTP_AUTOCLOSE: 3735 case SCTP_AUTO_ASCONF: 3736 case SCTP_EXPLICIT_EOR: 3737 case SCTP_DISABLE_FRAGMENTS: 3738 case SCTP_USE_EXT_RCVINFO: 3739 case SCTP_I_WANT_MAPPED_V4_ADDR: 3740 /* copy in the option value */ 3741 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3742 set_opt = 0; 3743 if (error) 3744 break; 3745 switch (optname) { 3746 case SCTP_DISABLE_FRAGMENTS: 3747 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3748 break; 3749 case SCTP_AUTO_ASCONF: 3750 /* 3751 * NOTE: we don't really support this flag 3752 */ 3753 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3754 /* only valid for bound all sockets */ 3755 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3756 (*mopt != 0)) { 3757 /* forbidden by admin */ 3758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3759 return (EPERM); 3760 } 3761 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3762 } else { 3763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3764 return (EINVAL); 3765 } 3766 break; 3767 case SCTP_EXPLICIT_EOR: 3768 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3769 break; 3770 case SCTP_USE_EXT_RCVINFO: 3771 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3772 break; 3773 case SCTP_I_WANT_MAPPED_V4_ADDR: 3774 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3775 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3776 } else { 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3778 return (EINVAL); 3779 } 3780 break; 3781 case SCTP_NODELAY: 3782 set_opt = SCTP_PCB_FLAGS_NODELAY; 3783 break; 3784 case SCTP_AUTOCLOSE: 3785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3788 return (EINVAL); 3789 } 3790 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3791 /* 3792 * The value is in ticks. Note this does not effect 3793 * old associations, only new ones. 3794 */ 3795 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3796 break; 3797 } 3798 SCTP_INP_WLOCK(inp); 3799 if (*mopt != 0) { 3800 sctp_feature_on(inp, set_opt); 3801 } else { 3802 sctp_feature_off(inp, set_opt); 3803 } 3804 SCTP_INP_WUNLOCK(inp); 3805 break; 3806 case SCTP_REUSE_PORT: 3807 { 3808 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3809 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3810 /* Can't set it after we are bound */ 3811 error = EINVAL; 3812 break; 3813 } 3814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3815 /* Can't do this for a 1-m socket */ 3816 error = EINVAL; 3817 break; 3818 } 3819 if (optval) 3820 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3821 else 3822 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3823 break; 3824 } 3825 case SCTP_PARTIAL_DELIVERY_POINT: 3826 { 3827 uint32_t *value; 3828 3829 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3830 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3832 error = EINVAL; 3833 break; 3834 } 3835 inp->partial_delivery_point = *value; 3836 break; 3837 } 3838 case SCTP_FRAGMENT_INTERLEAVE: 3839 /* not yet until we re-write sctp_recvmsg() */ 3840 { 3841 uint32_t *level; 3842 3843 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3844 if (*level == SCTP_FRAG_LEVEL_2) { 3845 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3846 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3847 } else if (*level == SCTP_FRAG_LEVEL_1) { 3848 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3849 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3850 } else if (*level == SCTP_FRAG_LEVEL_0) { 3851 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3852 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3853 3854 } else { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 } 3858 break; 3859 } 3860 case SCTP_CMT_ON_OFF: 3861 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3862 struct sctp_assoc_value *av; 3863 3864 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3865 if (av->assoc_value > SCTP_CMT_MAX) { 3866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3867 error = EINVAL; 3868 break; 3869 } 3870 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3871 if (stcb) { 3872 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3873 SCTP_TCB_UNLOCK(stcb); 3874 } else { 3875 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3877 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3878 (av->assoc_id == SCTP_ALL_ASSOC)) { 3879 SCTP_INP_WLOCK(inp); 3880 inp->sctp_cmt_on_off = av->assoc_value; 3881 SCTP_INP_WUNLOCK(inp); 3882 } 3883 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3884 (av->assoc_id == SCTP_ALL_ASSOC)) { 3885 SCTP_INP_RLOCK(inp); 3886 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3887 SCTP_TCB_LOCK(stcb); 3888 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3889 SCTP_TCB_UNLOCK(stcb); 3890 } 3891 SCTP_INP_RUNLOCK(inp); 3892 } 3893 } 3894 } else { 3895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3896 error = ENOPROTOOPT; 3897 } 3898 break; 3899 case SCTP_PLUGGABLE_CC: 3900 { 3901 struct sctp_assoc_value *av; 3902 struct sctp_nets *net; 3903 3904 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3905 if ((av->assoc_value != SCTP_CC_RFC2581) && 3906 (av->assoc_value != SCTP_CC_HSTCP) && 3907 (av->assoc_value != SCTP_CC_HTCP) && 3908 (av->assoc_value != SCTP_CC_RTCC)) { 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 break; 3912 } 3913 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3914 if (stcb) { 3915 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3916 stcb->asoc.congestion_control_module = av->assoc_value; 3917 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3918 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3919 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3920 } 3921 } 3922 SCTP_TCB_UNLOCK(stcb); 3923 } else { 3924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3926 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3927 (av->assoc_id == SCTP_ALL_ASSOC)) { 3928 SCTP_INP_WLOCK(inp); 3929 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3930 SCTP_INP_WUNLOCK(inp); 3931 } 3932 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3933 (av->assoc_id == SCTP_ALL_ASSOC)) { 3934 SCTP_INP_RLOCK(inp); 3935 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3936 SCTP_TCB_LOCK(stcb); 3937 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3938 stcb->asoc.congestion_control_module = av->assoc_value; 3939 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3940 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3941 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3942 } 3943 } 3944 SCTP_TCB_UNLOCK(stcb); 3945 } 3946 SCTP_INP_RUNLOCK(inp); 3947 } 3948 } 3949 break; 3950 } 3951 case SCTP_CC_OPTION: 3952 { 3953 struct sctp_cc_option *cc_opt; 3954 3955 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3956 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3957 if (stcb == NULL) { 3958 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3959 SCTP_INP_RLOCK(inp); 3960 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3961 SCTP_TCB_LOCK(stcb); 3962 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3963 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3964 } 3965 SCTP_TCB_UNLOCK(stcb); 3966 } 3967 SCTP_INP_RUNLOCK(inp); 3968 } else { 3969 error = EINVAL; 3970 } 3971 } else { 3972 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3973 error = ENOTSUP; 3974 } else { 3975 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3976 cc_opt); 3977 } 3978 SCTP_TCB_UNLOCK(stcb); 3979 } 3980 break; 3981 } 3982 case SCTP_PLUGGABLE_SS: 3983 { 3984 struct sctp_assoc_value *av; 3985 3986 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3987 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3988 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3989 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3990 (av->assoc_value != SCTP_SS_PRIORITY) && 3991 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3992 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3994 error = EINVAL; 3995 break; 3996 } 3997 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3998 if (stcb) { 3999 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4000 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4001 stcb->asoc.stream_scheduling_module = av->assoc_value; 4002 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4003 SCTP_TCB_UNLOCK(stcb); 4004 } else { 4005 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4006 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4007 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4008 (av->assoc_id == SCTP_ALL_ASSOC)) { 4009 SCTP_INP_WLOCK(inp); 4010 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4011 SCTP_INP_WUNLOCK(inp); 4012 } 4013 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4014 (av->assoc_id == SCTP_ALL_ASSOC)) { 4015 SCTP_INP_RLOCK(inp); 4016 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4017 SCTP_TCB_LOCK(stcb); 4018 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4019 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4020 stcb->asoc.stream_scheduling_module = av->assoc_value; 4021 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4022 SCTP_TCB_UNLOCK(stcb); 4023 } 4024 SCTP_INP_RUNLOCK(inp); 4025 } 4026 } 4027 break; 4028 } 4029 case SCTP_SS_VALUE: 4030 { 4031 struct sctp_stream_value *av; 4032 4033 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4034 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4035 if (stcb) { 4036 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4037 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4038 av->stream_value) < 0)) { 4039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4040 error = EINVAL; 4041 } 4042 SCTP_TCB_UNLOCK(stcb); 4043 } else { 4044 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4045 SCTP_INP_RLOCK(inp); 4046 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4047 SCTP_TCB_LOCK(stcb); 4048 if (av->stream_id < stcb->asoc.streamoutcnt) { 4049 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4050 &stcb->asoc, 4051 &stcb->asoc.strmout[av->stream_id], 4052 av->stream_value); 4053 } 4054 SCTP_TCB_UNLOCK(stcb); 4055 } 4056 SCTP_INP_RUNLOCK(inp); 4057 } else { 4058 /* 4059 * Can't set stream value without 4060 * association 4061 */ 4062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4063 error = EINVAL; 4064 } 4065 } 4066 break; 4067 } 4068 case SCTP_CLR_STAT_LOG: 4069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4070 error = EOPNOTSUPP; 4071 break; 4072 case SCTP_CONTEXT: 4073 { 4074 struct sctp_assoc_value *av; 4075 4076 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4077 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4078 4079 if (stcb) { 4080 stcb->asoc.context = av->assoc_value; 4081 SCTP_TCB_UNLOCK(stcb); 4082 } else { 4083 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4084 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4085 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4086 (av->assoc_id == SCTP_ALL_ASSOC)) { 4087 SCTP_INP_WLOCK(inp); 4088 inp->sctp_context = av->assoc_value; 4089 SCTP_INP_WUNLOCK(inp); 4090 } 4091 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4092 (av->assoc_id == SCTP_ALL_ASSOC)) { 4093 SCTP_INP_RLOCK(inp); 4094 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4095 SCTP_TCB_LOCK(stcb); 4096 stcb->asoc.context = av->assoc_value; 4097 SCTP_TCB_UNLOCK(stcb); 4098 } 4099 SCTP_INP_RUNLOCK(inp); 4100 } 4101 } 4102 break; 4103 } 4104 case SCTP_VRF_ID: 4105 { 4106 uint32_t *default_vrfid; 4107 4108 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4109 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4111 error = EINVAL; 4112 break; 4113 } 4114 inp->def_vrf_id = *default_vrfid; 4115 break; 4116 } 4117 case SCTP_DEL_VRF_ID: 4118 { 4119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4120 error = EOPNOTSUPP; 4121 break; 4122 } 4123 case SCTP_ADD_VRF_ID: 4124 { 4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4126 error = EOPNOTSUPP; 4127 break; 4128 } 4129 case SCTP_DELAYED_SACK: 4130 { 4131 struct sctp_sack_info *sack; 4132 4133 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4134 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4135 if (sack->sack_delay) { 4136 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4137 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4138 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4139 sack->sack_delay = TICKS_TO_MSEC(1); 4140 } 4141 } 4142 if (stcb) { 4143 if (sack->sack_delay) { 4144 stcb->asoc.delayed_ack = sack->sack_delay; 4145 } 4146 if (sack->sack_freq) { 4147 stcb->asoc.sack_freq = sack->sack_freq; 4148 } 4149 SCTP_TCB_UNLOCK(stcb); 4150 } else { 4151 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4152 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4153 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4154 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4155 SCTP_INP_WLOCK(inp); 4156 if (sack->sack_delay) { 4157 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4158 } 4159 if (sack->sack_freq) { 4160 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4161 } 4162 SCTP_INP_WUNLOCK(inp); 4163 } 4164 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4165 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4166 SCTP_INP_RLOCK(inp); 4167 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4168 SCTP_TCB_LOCK(stcb); 4169 if (sack->sack_delay) { 4170 stcb->asoc.delayed_ack = sack->sack_delay; 4171 } 4172 if (sack->sack_freq) { 4173 stcb->asoc.sack_freq = sack->sack_freq; 4174 } 4175 SCTP_TCB_UNLOCK(stcb); 4176 } 4177 SCTP_INP_RUNLOCK(inp); 4178 } 4179 } 4180 break; 4181 } 4182 case SCTP_AUTH_CHUNK: 4183 { 4184 struct sctp_authchunk *sauth; 4185 4186 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4187 4188 SCTP_INP_WLOCK(inp); 4189 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4191 error = EINVAL; 4192 } 4193 SCTP_INP_WUNLOCK(inp); 4194 break; 4195 } 4196 case SCTP_AUTH_KEY: 4197 { 4198 struct sctp_authkey *sca; 4199 struct sctp_keyhead *shared_keys; 4200 sctp_sharedkey_t *shared_key; 4201 sctp_key_t *key = NULL; 4202 size_t size; 4203 4204 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4205 if (sca->sca_keylength == 0) { 4206 size = optsize - sizeof(struct sctp_authkey); 4207 } else { 4208 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4209 size = sca->sca_keylength; 4210 } else { 4211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4212 error = EINVAL; 4213 break; 4214 } 4215 } 4216 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4217 4218 if (stcb) { 4219 shared_keys = &stcb->asoc.shared_keys; 4220 /* clear the cached keys for this key id */ 4221 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4222 /* 4223 * create the new shared key and 4224 * insert/replace it 4225 */ 4226 if (size > 0) { 4227 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4228 if (key == NULL) { 4229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4230 error = ENOMEM; 4231 SCTP_TCB_UNLOCK(stcb); 4232 break; 4233 } 4234 } 4235 shared_key = sctp_alloc_sharedkey(); 4236 if (shared_key == NULL) { 4237 sctp_free_key(key); 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4239 error = ENOMEM; 4240 SCTP_TCB_UNLOCK(stcb); 4241 break; 4242 } 4243 shared_key->key = key; 4244 shared_key->keyid = sca->sca_keynumber; 4245 error = sctp_insert_sharedkey(shared_keys, shared_key); 4246 SCTP_TCB_UNLOCK(stcb); 4247 } else { 4248 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4249 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4250 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4251 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4252 SCTP_INP_WLOCK(inp); 4253 shared_keys = &inp->sctp_ep.shared_keys; 4254 /* 4255 * clear the cached keys on all 4256 * assocs for this key id 4257 */ 4258 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4259 /* 4260 * create the new shared key and 4261 * insert/replace it 4262 */ 4263 if (size > 0) { 4264 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4265 if (key == NULL) { 4266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4267 error = ENOMEM; 4268 SCTP_INP_WUNLOCK(inp); 4269 break; 4270 } 4271 } 4272 shared_key = sctp_alloc_sharedkey(); 4273 if (shared_key == NULL) { 4274 sctp_free_key(key); 4275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4276 error = ENOMEM; 4277 SCTP_INP_WUNLOCK(inp); 4278 break; 4279 } 4280 shared_key->key = key; 4281 shared_key->keyid = sca->sca_keynumber; 4282 error = sctp_insert_sharedkey(shared_keys, shared_key); 4283 SCTP_INP_WUNLOCK(inp); 4284 } 4285 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4286 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4287 SCTP_INP_RLOCK(inp); 4288 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4289 SCTP_TCB_LOCK(stcb); 4290 shared_keys = &stcb->asoc.shared_keys; 4291 /* 4292 * clear the cached keys for 4293 * this key id 4294 */ 4295 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4296 /* 4297 * create the new shared key 4298 * and insert/replace it 4299 */ 4300 if (size > 0) { 4301 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4302 if (key == NULL) { 4303 SCTP_TCB_UNLOCK(stcb); 4304 continue; 4305 } 4306 } 4307 shared_key = sctp_alloc_sharedkey(); 4308 if (shared_key == NULL) { 4309 sctp_free_key(key); 4310 SCTP_TCB_UNLOCK(stcb); 4311 continue; 4312 } 4313 shared_key->key = key; 4314 shared_key->keyid = sca->sca_keynumber; 4315 error = sctp_insert_sharedkey(shared_keys, shared_key); 4316 SCTP_TCB_UNLOCK(stcb); 4317 } 4318 SCTP_INP_RUNLOCK(inp); 4319 } 4320 } 4321 break; 4322 } 4323 case SCTP_HMAC_IDENT: 4324 { 4325 struct sctp_hmacalgo *shmac; 4326 sctp_hmaclist_t *hmaclist; 4327 uint16_t hmacid; 4328 uint32_t i; 4329 4330 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4331 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4332 (shmac->shmac_number_of_idents > 0xffff)) { 4333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4334 error = EINVAL; 4335 break; 4336 } 4337 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4338 if (hmaclist == NULL) { 4339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4340 error = ENOMEM; 4341 break; 4342 } 4343 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4344 hmacid = shmac->shmac_idents[i]; 4345 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4346 /* invalid HMACs were found */ ; 4347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4348 error = EINVAL; 4349 sctp_free_hmaclist(hmaclist); 4350 goto sctp_set_hmac_done; 4351 } 4352 } 4353 for (i = 0; i < hmaclist->num_algo; i++) { 4354 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4355 /* already in list */ 4356 break; 4357 } 4358 } 4359 if (i == hmaclist->num_algo) { 4360 /* not found in list */ 4361 sctp_free_hmaclist(hmaclist); 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4363 error = EINVAL; 4364 break; 4365 } 4366 /* set it on the endpoint */ 4367 SCTP_INP_WLOCK(inp); 4368 if (inp->sctp_ep.local_hmacs) 4369 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4370 inp->sctp_ep.local_hmacs = hmaclist; 4371 SCTP_INP_WUNLOCK(inp); 4372 sctp_set_hmac_done: 4373 break; 4374 } 4375 case SCTP_AUTH_ACTIVE_KEY: 4376 { 4377 struct sctp_authkeyid *scact; 4378 4379 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4380 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4381 4382 /* set the active key on the right place */ 4383 if (stcb) { 4384 /* set the active key on the assoc */ 4385 if (sctp_auth_setactivekey(stcb, 4386 scact->scact_keynumber)) { 4387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4388 SCTP_FROM_SCTP_USRREQ, 4389 EINVAL); 4390 error = EINVAL; 4391 } 4392 SCTP_TCB_UNLOCK(stcb); 4393 } else { 4394 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4395 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4396 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4397 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4398 SCTP_INP_WLOCK(inp); 4399 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4401 error = EINVAL; 4402 } 4403 SCTP_INP_WUNLOCK(inp); 4404 } 4405 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4406 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4407 SCTP_INP_RLOCK(inp); 4408 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4409 SCTP_TCB_LOCK(stcb); 4410 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4411 SCTP_TCB_UNLOCK(stcb); 4412 } 4413 SCTP_INP_RUNLOCK(inp); 4414 } 4415 } 4416 break; 4417 } 4418 case SCTP_AUTH_DELETE_KEY: 4419 { 4420 struct sctp_authkeyid *scdel; 4421 4422 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4423 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4424 4425 /* delete the key from the right place */ 4426 if (stcb) { 4427 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4429 error = EINVAL; 4430 } 4431 SCTP_TCB_UNLOCK(stcb); 4432 } else { 4433 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4434 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4435 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4436 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4437 SCTP_INP_WLOCK(inp); 4438 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4440 error = EINVAL; 4441 } 4442 SCTP_INP_WUNLOCK(inp); 4443 } 4444 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4445 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4446 SCTP_INP_RLOCK(inp); 4447 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4448 SCTP_TCB_LOCK(stcb); 4449 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4450 SCTP_TCB_UNLOCK(stcb); 4451 } 4452 SCTP_INP_RUNLOCK(inp); 4453 } 4454 } 4455 break; 4456 } 4457 case SCTP_AUTH_DEACTIVATE_KEY: 4458 { 4459 struct sctp_authkeyid *keyid; 4460 4461 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4462 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4463 4464 /* deactivate the key from the right place */ 4465 if (stcb) { 4466 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4468 error = EINVAL; 4469 } 4470 SCTP_TCB_UNLOCK(stcb); 4471 } else { 4472 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4473 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4474 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4475 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4476 SCTP_INP_WLOCK(inp); 4477 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4479 error = EINVAL; 4480 } 4481 SCTP_INP_WUNLOCK(inp); 4482 } 4483 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4484 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4485 SCTP_INP_RLOCK(inp); 4486 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4487 SCTP_TCB_LOCK(stcb); 4488 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4489 SCTP_TCB_UNLOCK(stcb); 4490 } 4491 SCTP_INP_RUNLOCK(inp); 4492 } 4493 } 4494 break; 4495 } 4496 case SCTP_ENABLE_STREAM_RESET: 4497 { 4498 struct sctp_assoc_value *av; 4499 4500 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4501 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4503 error = EINVAL; 4504 break; 4505 } 4506 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4507 if (stcb) { 4508 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4509 SCTP_TCB_UNLOCK(stcb); 4510 } else { 4511 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4512 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4513 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4514 (av->assoc_id == SCTP_ALL_ASSOC)) { 4515 SCTP_INP_WLOCK(inp); 4516 inp->local_strreset_support = (uint8_t) av->assoc_value; 4517 SCTP_INP_WUNLOCK(inp); 4518 } 4519 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4520 (av->assoc_id == SCTP_ALL_ASSOC)) { 4521 SCTP_INP_RLOCK(inp); 4522 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4523 SCTP_TCB_LOCK(stcb); 4524 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4525 SCTP_TCB_UNLOCK(stcb); 4526 } 4527 SCTP_INP_RUNLOCK(inp); 4528 } 4529 } 4530 break; 4531 } 4532 case SCTP_RESET_STREAMS: 4533 { 4534 struct sctp_reset_streams *strrst; 4535 int i, send_out = 0; 4536 int send_in = 0; 4537 4538 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4539 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4540 if (stcb == NULL) { 4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4542 error = ENOENT; 4543 break; 4544 } 4545 if (stcb->asoc.reconfig_supported == 0) { 4546 /* 4547 * Peer does not support the chunk type. 4548 */ 4549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4550 error = EOPNOTSUPP; 4551 SCTP_TCB_UNLOCK(stcb); 4552 break; 4553 } 4554 if (sizeof(struct sctp_reset_streams) + 4555 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4556 error = EINVAL; 4557 SCTP_TCB_UNLOCK(stcb); 4558 break; 4559 } 4560 if (stcb->asoc.stream_reset_outstanding) { 4561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4562 error = EALREADY; 4563 SCTP_TCB_UNLOCK(stcb); 4564 break; 4565 } 4566 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4567 send_in = 1; 4568 } 4569 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4570 send_out = 1; 4571 } 4572 if ((send_in == 0) && (send_out == 0)) { 4573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4574 error = EINVAL; 4575 SCTP_TCB_UNLOCK(stcb); 4576 break; 4577 } 4578 for (i = 0; i < strrst->srs_number_streams; i++) { 4579 if ((send_in) && 4580 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4582 error = EINVAL; 4583 break; 4584 } 4585 if ((send_out) && 4586 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4588 error = EINVAL; 4589 break; 4590 } 4591 } 4592 if (error) { 4593 SCTP_TCB_UNLOCK(stcb); 4594 break; 4595 } 4596 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4597 strrst->srs_stream_list, 4598 send_out, send_in, 0, 0, 0, 0, 0); 4599 4600 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4601 SCTP_TCB_UNLOCK(stcb); 4602 break; 4603 } 4604 case SCTP_ADD_STREAMS: 4605 { 4606 struct sctp_add_streams *stradd; 4607 uint8_t addstream = 0; 4608 uint16_t add_o_strmcnt = 0; 4609 uint16_t add_i_strmcnt = 0; 4610 4611 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4612 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4613 if (stcb == NULL) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4615 error = ENOENT; 4616 break; 4617 } 4618 if (stcb->asoc.reconfig_supported == 0) { 4619 /* 4620 * Peer does not support the chunk type. 4621 */ 4622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4623 error = EOPNOTSUPP; 4624 SCTP_TCB_UNLOCK(stcb); 4625 break; 4626 } 4627 if (stcb->asoc.stream_reset_outstanding) { 4628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4629 error = EALREADY; 4630 SCTP_TCB_UNLOCK(stcb); 4631 break; 4632 } 4633 if ((stradd->sas_outstrms == 0) && 4634 (stradd->sas_instrms == 0)) { 4635 error = EINVAL; 4636 goto skip_stuff; 4637 } 4638 if (stradd->sas_outstrms) { 4639 addstream = 1; 4640 /* We allocate here */ 4641 add_o_strmcnt = stradd->sas_outstrms; 4642 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4643 /* You can't have more than 64k */ 4644 error = EINVAL; 4645 goto skip_stuff; 4646 } 4647 } 4648 if (stradd->sas_instrms) { 4649 int cnt; 4650 4651 addstream |= 2; 4652 /* 4653 * We allocate inside 4654 * sctp_send_str_reset_req() 4655 */ 4656 add_i_strmcnt = stradd->sas_instrms; 4657 cnt = add_i_strmcnt; 4658 cnt += stcb->asoc.streamincnt; 4659 if (cnt > 0x0000ffff) { 4660 /* You can't have more than 64k */ 4661 error = EINVAL; 4662 goto skip_stuff; 4663 } 4664 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4665 /* More than you are allowed */ 4666 error = EINVAL; 4667 goto skip_stuff; 4668 } 4669 } 4670 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4671 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4672 skip_stuff: 4673 SCTP_TCB_UNLOCK(stcb); 4674 break; 4675 } 4676 case SCTP_RESET_ASSOC: 4677 { 4678 uint32_t *value; 4679 4680 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4681 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4682 if (stcb == NULL) { 4683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4684 error = ENOENT; 4685 break; 4686 } 4687 if (stcb->asoc.reconfig_supported == 0) { 4688 /* 4689 * Peer does not support the chunk type. 4690 */ 4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4692 error = EOPNOTSUPP; 4693 SCTP_TCB_UNLOCK(stcb); 4694 break; 4695 } 4696 if (stcb->asoc.stream_reset_outstanding) { 4697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4698 error = EALREADY; 4699 SCTP_TCB_UNLOCK(stcb); 4700 break; 4701 } 4702 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4703 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4704 SCTP_TCB_UNLOCK(stcb); 4705 break; 4706 } 4707 case SCTP_CONNECT_X: 4708 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4710 error = EINVAL; 4711 break; 4712 } 4713 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4714 break; 4715 case SCTP_CONNECT_X_DELAYED: 4716 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4718 error = EINVAL; 4719 break; 4720 } 4721 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4722 break; 4723 case SCTP_CONNECT_X_COMPLETE: 4724 { 4725 struct sockaddr *sa; 4726 4727 /* FIXME MT: check correct? */ 4728 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4729 4730 /* find tcb */ 4731 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4732 SCTP_INP_RLOCK(inp); 4733 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4734 if (stcb) { 4735 SCTP_TCB_LOCK(stcb); 4736 } 4737 SCTP_INP_RUNLOCK(inp); 4738 } else { 4739 /* 4740 * We increment here since 4741 * sctp_findassociation_ep_addr() wil do a 4742 * decrement if it finds the stcb as long as 4743 * the locked tcb (last argument) is NOT a 4744 * TCB.. aka NULL. 4745 */ 4746 SCTP_INP_INCR_REF(inp); 4747 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4748 if (stcb == NULL) { 4749 SCTP_INP_DECR_REF(inp); 4750 } 4751 } 4752 4753 if (stcb == NULL) { 4754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4755 error = ENOENT; 4756 break; 4757 } 4758 if (stcb->asoc.delayed_connection == 1) { 4759 stcb->asoc.delayed_connection = 0; 4760 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4761 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4762 stcb->asoc.primary_destination, 4763 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4764 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4765 } else { 4766 /* 4767 * already expired or did not use delayed 4768 * connectx 4769 */ 4770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4771 error = EALREADY; 4772 } 4773 SCTP_TCB_UNLOCK(stcb); 4774 break; 4775 } 4776 case SCTP_MAX_BURST: 4777 { 4778 struct sctp_assoc_value *av; 4779 4780 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4781 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4782 4783 if (stcb) { 4784 stcb->asoc.max_burst = av->assoc_value; 4785 SCTP_TCB_UNLOCK(stcb); 4786 } else { 4787 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4788 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4789 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4790 (av->assoc_id == SCTP_ALL_ASSOC)) { 4791 SCTP_INP_WLOCK(inp); 4792 inp->sctp_ep.max_burst = av->assoc_value; 4793 SCTP_INP_WUNLOCK(inp); 4794 } 4795 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4796 (av->assoc_id == SCTP_ALL_ASSOC)) { 4797 SCTP_INP_RLOCK(inp); 4798 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4799 SCTP_TCB_LOCK(stcb); 4800 stcb->asoc.max_burst = av->assoc_value; 4801 SCTP_TCB_UNLOCK(stcb); 4802 } 4803 SCTP_INP_RUNLOCK(inp); 4804 } 4805 } 4806 break; 4807 } 4808 case SCTP_MAXSEG: 4809 { 4810 struct sctp_assoc_value *av; 4811 int ovh; 4812 4813 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4814 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4815 4816 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4817 ovh = SCTP_MED_OVERHEAD; 4818 } else { 4819 ovh = SCTP_MED_V4_OVERHEAD; 4820 } 4821 if (stcb) { 4822 if (av->assoc_value) { 4823 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4824 } else { 4825 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4826 } 4827 SCTP_TCB_UNLOCK(stcb); 4828 } else { 4829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4830 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4831 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4832 SCTP_INP_WLOCK(inp); 4833 /* 4834 * FIXME MT: I think this is not in 4835 * tune with the API ID 4836 */ 4837 if (av->assoc_value) { 4838 inp->sctp_frag_point = (av->assoc_value + ovh); 4839 } else { 4840 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4841 } 4842 SCTP_INP_WUNLOCK(inp); 4843 } else { 4844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4845 error = EINVAL; 4846 } 4847 } 4848 break; 4849 } 4850 case SCTP_EVENTS: 4851 { 4852 struct sctp_event_subscribe *events; 4853 4854 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4855 4856 SCTP_INP_WLOCK(inp); 4857 if (events->sctp_data_io_event) { 4858 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4859 } else { 4860 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4861 } 4862 4863 if (events->sctp_association_event) { 4864 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4865 } else { 4866 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4867 } 4868 4869 if (events->sctp_address_event) { 4870 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4871 } else { 4872 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4873 } 4874 4875 if (events->sctp_send_failure_event) { 4876 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4877 } else { 4878 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4879 } 4880 4881 if (events->sctp_peer_error_event) { 4882 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4883 } else { 4884 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4885 } 4886 4887 if (events->sctp_shutdown_event) { 4888 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4889 } else { 4890 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4891 } 4892 4893 if (events->sctp_partial_delivery_event) { 4894 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4895 } else { 4896 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4897 } 4898 4899 if (events->sctp_adaptation_layer_event) { 4900 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4901 } else { 4902 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4903 } 4904 4905 if (events->sctp_authentication_event) { 4906 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4907 } else { 4908 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4909 } 4910 4911 if (events->sctp_sender_dry_event) { 4912 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4913 } else { 4914 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4915 } 4916 4917 if (events->sctp_stream_reset_event) { 4918 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4919 } else { 4920 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4921 } 4922 SCTP_INP_WUNLOCK(inp); 4923 4924 SCTP_INP_RLOCK(inp); 4925 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4926 SCTP_TCB_LOCK(stcb); 4927 if (events->sctp_association_event) { 4928 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4929 } else { 4930 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4931 } 4932 if (events->sctp_address_event) { 4933 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4934 } else { 4935 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4936 } 4937 if (events->sctp_send_failure_event) { 4938 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4939 } else { 4940 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4941 } 4942 if (events->sctp_peer_error_event) { 4943 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4944 } else { 4945 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4946 } 4947 if (events->sctp_shutdown_event) { 4948 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4949 } else { 4950 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4951 } 4952 if (events->sctp_partial_delivery_event) { 4953 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4954 } else { 4955 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4956 } 4957 if (events->sctp_adaptation_layer_event) { 4958 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4959 } else { 4960 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4961 } 4962 if (events->sctp_authentication_event) { 4963 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4964 } else { 4965 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4966 } 4967 if (events->sctp_sender_dry_event) { 4968 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4969 } else { 4970 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4971 } 4972 if (events->sctp_stream_reset_event) { 4973 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4974 } else { 4975 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4976 } 4977 SCTP_TCB_UNLOCK(stcb); 4978 } 4979 /* 4980 * Send up the sender dry event only for 1-to-1 4981 * style sockets. 4982 */ 4983 if (events->sctp_sender_dry_event) { 4984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4986 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4987 if (stcb) { 4988 SCTP_TCB_LOCK(stcb); 4989 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4990 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4991 (stcb->asoc.stream_queue_cnt == 0)) { 4992 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4993 } 4994 SCTP_TCB_UNLOCK(stcb); 4995 } 4996 } 4997 } 4998 SCTP_INP_RUNLOCK(inp); 4999 break; 5000 } 5001 case SCTP_ADAPTATION_LAYER: 5002 { 5003 struct sctp_setadaptation *adap_bits; 5004 5005 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5006 SCTP_INP_WLOCK(inp); 5007 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5008 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5009 SCTP_INP_WUNLOCK(inp); 5010 break; 5011 } 5012#ifdef SCTP_DEBUG 5013 case SCTP_SET_INITIAL_DBG_SEQ: 5014 { 5015 uint32_t *vvv; 5016 5017 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5018 SCTP_INP_WLOCK(inp); 5019 inp->sctp_ep.initial_sequence_debug = *vvv; 5020 SCTP_INP_WUNLOCK(inp); 5021 break; 5022 } 5023#endif 5024 case SCTP_DEFAULT_SEND_PARAM: 5025 { 5026 struct sctp_sndrcvinfo *s_info; 5027 5028 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5029 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5030 5031 if (stcb) { 5032 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5033 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5034 } else { 5035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5036 error = EINVAL; 5037 } 5038 SCTP_TCB_UNLOCK(stcb); 5039 } else { 5040 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5041 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5042 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5043 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5044 SCTP_INP_WLOCK(inp); 5045 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5046 SCTP_INP_WUNLOCK(inp); 5047 } 5048 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5049 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5050 SCTP_INP_RLOCK(inp); 5051 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5052 SCTP_TCB_LOCK(stcb); 5053 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5054 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5055 } 5056 SCTP_TCB_UNLOCK(stcb); 5057 } 5058 SCTP_INP_RUNLOCK(inp); 5059 } 5060 } 5061 break; 5062 } 5063 case SCTP_PEER_ADDR_PARAMS: 5064 { 5065 struct sctp_paddrparams *paddrp; 5066 struct sctp_nets *net; 5067 struct sockaddr *addr; 5068 5069#if defined(INET) && defined(INET6) 5070 struct sockaddr_in sin_store; 5071 5072#endif 5073 5074 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5075 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5076 5077#if defined(INET) && defined(INET6) 5078 if (paddrp->spp_address.ss_family == AF_INET6) { 5079 struct sockaddr_in6 *sin6; 5080 5081 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5082 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5083 in6_sin6_2_sin(&sin_store, sin6); 5084 addr = (struct sockaddr *)&sin_store; 5085 } else { 5086 addr = (struct sockaddr *)&paddrp->spp_address; 5087 } 5088 } else { 5089 addr = (struct sockaddr *)&paddrp->spp_address; 5090 } 5091#else 5092 addr = (struct sockaddr *)&paddrp->spp_address; 5093#endif 5094 if (stcb != NULL) { 5095 net = sctp_findnet(stcb, addr); 5096 } else { 5097 /* 5098 * We increment here since 5099 * sctp_findassociation_ep_addr() wil do a 5100 * decrement if it finds the stcb as long as 5101 * the locked tcb (last argument) is NOT a 5102 * TCB.. aka NULL. 5103 */ 5104 net = NULL; 5105 SCTP_INP_INCR_REF(inp); 5106 stcb = sctp_findassociation_ep_addr(&inp, addr, 5107 &net, NULL, NULL); 5108 if (stcb == NULL) { 5109 SCTP_INP_DECR_REF(inp); 5110 } 5111 } 5112 if ((stcb != NULL) && (net == NULL)) { 5113#ifdef INET 5114 if (addr->sa_family == AF_INET) { 5115 5116 struct sockaddr_in *sin; 5117 5118 sin = (struct sockaddr_in *)addr; 5119 if (sin->sin_addr.s_addr != INADDR_ANY) { 5120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5121 SCTP_TCB_UNLOCK(stcb); 5122 error = EINVAL; 5123 break; 5124 } 5125 } else 5126#endif 5127#ifdef INET6 5128 if (addr->sa_family == AF_INET6) { 5129 struct sockaddr_in6 *sin6; 5130 5131 sin6 = (struct sockaddr_in6 *)addr; 5132 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5134 SCTP_TCB_UNLOCK(stcb); 5135 error = EINVAL; 5136 break; 5137 } 5138 } else 5139#endif 5140 { 5141 error = EAFNOSUPPORT; 5142 SCTP_TCB_UNLOCK(stcb); 5143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5144 break; 5145 } 5146 } 5147 /* sanity checks */ 5148 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5149 if (stcb) 5150 SCTP_TCB_UNLOCK(stcb); 5151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5152 return (EINVAL); 5153 } 5154 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5155 if (stcb) 5156 SCTP_TCB_UNLOCK(stcb); 5157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5158 return (EINVAL); 5159 } 5160 if (stcb != NULL) { 5161 /************************TCB SPECIFIC SET ******************/ 5162 /* 5163 * do we change the timer for HB, we run 5164 * only one? 5165 */ 5166 int ovh = 0; 5167 5168 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5169 ovh = SCTP_MED_OVERHEAD; 5170 } else { 5171 ovh = SCTP_MED_V4_OVERHEAD; 5172 } 5173 5174 /* network sets ? */ 5175 if (net != NULL) { 5176 /************************NET SPECIFIC SET ******************/ 5177 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5178 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5179 !(net->dest_state & SCTP_ADDR_NOHB)) { 5180 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5181 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5182 } 5183 net->dest_state |= SCTP_ADDR_NOHB; 5184 } 5185 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5186 if (paddrp->spp_hbinterval) { 5187 net->heart_beat_delay = paddrp->spp_hbinterval; 5188 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5189 net->heart_beat_delay = 0; 5190 } 5191 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5192 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5193 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5194 net->dest_state &= ~SCTP_ADDR_NOHB; 5195 } 5196 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5197 /* on demand HB */ 5198 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5199 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5200 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5201 } 5202 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5203 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5204 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5205 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5206 } 5207 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5208 net->mtu = paddrp->spp_pathmtu + ovh; 5209 if (net->mtu < stcb->asoc.smallest_mtu) { 5210 sctp_pathmtu_adjustment(stcb, net->mtu); 5211 } 5212 } 5213 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5214 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5215 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5216 } 5217 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5218 } 5219 if (paddrp->spp_pathmaxrxt) { 5220 if (net->dest_state & SCTP_ADDR_PF) { 5221 if (net->error_count > paddrp->spp_pathmaxrxt) { 5222 net->dest_state &= ~SCTP_ADDR_PF; 5223 } 5224 } else { 5225 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5226 (net->error_count > net->pf_threshold)) { 5227 net->dest_state |= SCTP_ADDR_PF; 5228 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5229 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5230 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5231 } 5232 } 5233 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5234 if (net->error_count > paddrp->spp_pathmaxrxt) { 5235 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5236 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5237 } 5238 } else { 5239 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5240 net->dest_state |= SCTP_ADDR_REACHABLE; 5241 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5242 } 5243 } 5244 net->failure_threshold = paddrp->spp_pathmaxrxt; 5245 } 5246 if (paddrp->spp_flags & SPP_DSCP) { 5247 net->dscp = paddrp->spp_dscp & 0xfc; 5248 net->dscp |= 0x01; 5249 } 5250#ifdef INET6 5251 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5252 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5253 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5254 net->flowlabel |= 0x80000000; 5255 } 5256 } 5257#endif 5258 } else { 5259 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5260 if (paddrp->spp_pathmaxrxt != 0) { 5261 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5262 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5263 if (net->dest_state & SCTP_ADDR_PF) { 5264 if (net->error_count > paddrp->spp_pathmaxrxt) { 5265 net->dest_state &= ~SCTP_ADDR_PF; 5266 } 5267 } else { 5268 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5269 (net->error_count > net->pf_threshold)) { 5270 net->dest_state |= SCTP_ADDR_PF; 5271 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5272 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5273 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5274 } 5275 } 5276 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5277 if (net->error_count > paddrp->spp_pathmaxrxt) { 5278 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5279 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5280 } 5281 } else { 5282 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5283 net->dest_state |= SCTP_ADDR_REACHABLE; 5284 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5285 } 5286 } 5287 net->failure_threshold = paddrp->spp_pathmaxrxt; 5288 } 5289 } 5290 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5291 if (paddrp->spp_hbinterval != 0) { 5292 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5293 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5294 stcb->asoc.heart_beat_delay = 0; 5295 } 5296 /* Turn back on the timer */ 5297 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5298 if (paddrp->spp_hbinterval != 0) { 5299 net->heart_beat_delay = paddrp->spp_hbinterval; 5300 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5301 net->heart_beat_delay = 0; 5302 } 5303 if (net->dest_state & SCTP_ADDR_NOHB) { 5304 net->dest_state &= ~SCTP_ADDR_NOHB; 5305 } 5306 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5307 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5308 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5309 } 5310 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5311 } 5312 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5313 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5314 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5315 net->dest_state |= SCTP_ADDR_NOHB; 5316 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5317 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5318 } 5319 } 5320 } 5321 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5322 } 5323 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5324 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5325 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5326 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5328 } 5329 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5330 net->mtu = paddrp->spp_pathmtu + ovh; 5331 if (net->mtu < stcb->asoc.smallest_mtu) { 5332 sctp_pathmtu_adjustment(stcb, net->mtu); 5333 } 5334 } 5335 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5336 } 5337 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5338 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5339 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5340 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5341 } 5342 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5343 } 5344 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5345 } 5346 if (paddrp->spp_flags & SPP_DSCP) { 5347 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5348 net->dscp = paddrp->spp_dscp & 0xfc; 5349 net->dscp |= 0x01; 5350 } 5351 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5352 stcb->asoc.default_dscp |= 0x01; 5353 } 5354#ifdef INET6 5355 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5356 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5357 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5358 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5359 net->flowlabel |= 0x80000000; 5360 } 5361 } 5362 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5363 stcb->asoc.default_flowlabel |= 0x80000000; 5364 } 5365#endif 5366 } 5367 SCTP_TCB_UNLOCK(stcb); 5368 } else { 5369 /************************NO TCB, SET TO default stuff ******************/ 5370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5371 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5372 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5373 SCTP_INP_WLOCK(inp); 5374 /* 5375 * For the TOS/FLOWLABEL stuff you 5376 * set it with the options on the 5377 * socket 5378 */ 5379 if (paddrp->spp_pathmaxrxt != 0) { 5380 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5381 } 5382 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5383 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5384 else if (paddrp->spp_hbinterval != 0) { 5385 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5386 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5387 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5388 } 5389 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5390 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5391 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5392 } else if (paddrp->spp_hbinterval) { 5393 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5394 } 5395 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5396 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5397 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5398 } 5399 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5400 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5401 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5402 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5403 } 5404 if (paddrp->spp_flags & SPP_DSCP) { 5405 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5406 inp->sctp_ep.default_dscp |= 0x01; 5407 } 5408#ifdef INET6 5409 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5410 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5411 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5412 inp->sctp_ep.default_flowlabel |= 0x80000000; 5413 } 5414 } 5415#endif 5416 SCTP_INP_WUNLOCK(inp); 5417 } else { 5418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5419 error = EINVAL; 5420 } 5421 } 5422 break; 5423 } 5424 case SCTP_RTOINFO: 5425 { 5426 struct sctp_rtoinfo *srto; 5427 uint32_t new_init, new_min, new_max; 5428 5429 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5430 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5431 5432 if (stcb) { 5433 if (srto->srto_initial) 5434 new_init = srto->srto_initial; 5435 else 5436 new_init = stcb->asoc.initial_rto; 5437 if (srto->srto_max) 5438 new_max = srto->srto_max; 5439 else 5440 new_max = stcb->asoc.maxrto; 5441 if (srto->srto_min) 5442 new_min = srto->srto_min; 5443 else 5444 new_min = stcb->asoc.minrto; 5445 if ((new_min <= new_init) && (new_init <= new_max)) { 5446 stcb->asoc.initial_rto = new_init; 5447 stcb->asoc.maxrto = new_max; 5448 stcb->asoc.minrto = new_min; 5449 } else { 5450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5451 error = EINVAL; 5452 } 5453 SCTP_TCB_UNLOCK(stcb); 5454 } else { 5455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5457 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5458 SCTP_INP_WLOCK(inp); 5459 if (srto->srto_initial) 5460 new_init = srto->srto_initial; 5461 else 5462 new_init = inp->sctp_ep.initial_rto; 5463 if (srto->srto_max) 5464 new_max = srto->srto_max; 5465 else 5466 new_max = inp->sctp_ep.sctp_maxrto; 5467 if (srto->srto_min) 5468 new_min = srto->srto_min; 5469 else 5470 new_min = inp->sctp_ep.sctp_minrto; 5471 if ((new_min <= new_init) && (new_init <= new_max)) { 5472 inp->sctp_ep.initial_rto = new_init; 5473 inp->sctp_ep.sctp_maxrto = new_max; 5474 inp->sctp_ep.sctp_minrto = new_min; 5475 } else { 5476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5477 error = EINVAL; 5478 } 5479 SCTP_INP_WUNLOCK(inp); 5480 } else { 5481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5482 error = EINVAL; 5483 } 5484 } 5485 break; 5486 } 5487 case SCTP_ASSOCINFO: 5488 { 5489 struct sctp_assocparams *sasoc; 5490 5491 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5492 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5493 if (sasoc->sasoc_cookie_life) { 5494 /* boundary check the cookie life */ 5495 if (sasoc->sasoc_cookie_life < 1000) 5496 sasoc->sasoc_cookie_life = 1000; 5497 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5498 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5499 } 5500 } 5501 if (stcb) { 5502 if (sasoc->sasoc_asocmaxrxt) 5503 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5504 if (sasoc->sasoc_cookie_life) { 5505 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5506 } 5507 SCTP_TCB_UNLOCK(stcb); 5508 } else { 5509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5511 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5512 SCTP_INP_WLOCK(inp); 5513 if (sasoc->sasoc_asocmaxrxt) 5514 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5515 if (sasoc->sasoc_cookie_life) { 5516 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5517 } 5518 SCTP_INP_WUNLOCK(inp); 5519 } else { 5520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5521 error = EINVAL; 5522 } 5523 } 5524 break; 5525 } 5526 case SCTP_INITMSG: 5527 { 5528 struct sctp_initmsg *sinit; 5529 5530 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5531 SCTP_INP_WLOCK(inp); 5532 if (sinit->sinit_num_ostreams) 5533 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5534 5535 if (sinit->sinit_max_instreams) 5536 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5537 5538 if (sinit->sinit_max_attempts) 5539 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5540 5541 if (sinit->sinit_max_init_timeo) 5542 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5543 SCTP_INP_WUNLOCK(inp); 5544 break; 5545 } 5546 case SCTP_PRIMARY_ADDR: 5547 { 5548 struct sctp_setprim *spa; 5549 struct sctp_nets *net; 5550 struct sockaddr *addr; 5551 5552#if defined(INET) && defined(INET6) 5553 struct sockaddr_in sin_store; 5554 5555#endif 5556 5557 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5558 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5559 5560#if defined(INET) && defined(INET6) 5561 if (spa->ssp_addr.ss_family == AF_INET6) { 5562 struct sockaddr_in6 *sin6; 5563 5564 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5565 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5566 in6_sin6_2_sin(&sin_store, sin6); 5567 addr = (struct sockaddr *)&sin_store; 5568 } else { 5569 addr = (struct sockaddr *)&spa->ssp_addr; 5570 } 5571 } else { 5572 addr = (struct sockaddr *)&spa->ssp_addr; 5573 } 5574#else 5575 addr = (struct sockaddr *)&spa->ssp_addr; 5576#endif 5577 if (stcb != NULL) { 5578 net = sctp_findnet(stcb, addr); 5579 } else { 5580 /* 5581 * We increment here since 5582 * sctp_findassociation_ep_addr() wil do a 5583 * decrement if it finds the stcb as long as 5584 * the locked tcb (last argument) is NOT a 5585 * TCB.. aka NULL. 5586 */ 5587 net = NULL; 5588 SCTP_INP_INCR_REF(inp); 5589 stcb = sctp_findassociation_ep_addr(&inp, addr, 5590 &net, NULL, NULL); 5591 if (stcb == NULL) { 5592 SCTP_INP_DECR_REF(inp); 5593 } 5594 } 5595 5596 if ((stcb != NULL) && (net != NULL)) { 5597 if ((net != stcb->asoc.primary_destination) && 5598 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5599 /* Ok we need to set it */ 5600 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5601 if ((stcb->asoc.alternate) && 5602 (!(net->dest_state & SCTP_ADDR_PF)) && 5603 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5604 sctp_free_remote_addr(stcb->asoc.alternate); 5605 stcb->asoc.alternate = NULL; 5606 } 5607 } 5608 } 5609 } else { 5610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5611 error = EINVAL; 5612 } 5613 if (stcb != NULL) { 5614 SCTP_TCB_UNLOCK(stcb); 5615 } 5616 break; 5617 } 5618 case SCTP_SET_DYNAMIC_PRIMARY: 5619 { 5620 union sctp_sockstore *ss; 5621 5622 error = priv_check(curthread, 5623 PRIV_NETINET_RESERVEDPORT); 5624 if (error) 5625 break; 5626 5627 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5628 /* SUPER USER CHECK? */ 5629 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5630 break; 5631 } 5632 case SCTP_SET_PEER_PRIMARY_ADDR: 5633 { 5634 struct sctp_setpeerprim *sspp; 5635 struct sockaddr *addr; 5636 5637#if defined(INET) && defined(INET6) 5638 struct sockaddr_in sin_store; 5639 5640#endif 5641 5642 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5643 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5644 if (stcb != NULL) { 5645 struct sctp_ifa *ifa; 5646 5647#if defined(INET) && defined(INET6) 5648 if (sspp->sspp_addr.ss_family == AF_INET6) { 5649 struct sockaddr_in6 *sin6; 5650 5651 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5652 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5653 in6_sin6_2_sin(&sin_store, sin6); 5654 addr = (struct sockaddr *)&sin_store; 5655 } else { 5656 addr = (struct sockaddr *)&sspp->sspp_addr; 5657 } 5658 } else { 5659 addr = (struct sockaddr *)&sspp->sspp_addr; 5660 } 5661#else 5662 addr = (struct sockaddr *)&sspp->sspp_addr; 5663#endif 5664 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5665 if (ifa == NULL) { 5666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5667 error = EINVAL; 5668 goto out_of_it; 5669 } 5670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5671 /* 5672 * Must validate the ifa found is in 5673 * our ep 5674 */ 5675 struct sctp_laddr *laddr; 5676 int found = 0; 5677 5678 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5679 if (laddr->ifa == NULL) { 5680 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5681 __FUNCTION__); 5682 continue; 5683 } 5684 if (laddr->ifa == ifa) { 5685 found = 1; 5686 break; 5687 } 5688 } 5689 if (!found) { 5690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5691 error = EINVAL; 5692 goto out_of_it; 5693 } 5694 } else { 5695 switch (addr->sa_family) { 5696#ifdef INET 5697 case AF_INET: 5698 { 5699 struct sockaddr_in *sin; 5700 5701 sin = (struct sockaddr_in *)addr; 5702 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5703 &sin->sin_addr) != 0) { 5704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5705 error = EINVAL; 5706 goto out_of_it; 5707 } 5708 break; 5709 } 5710#endif 5711#ifdef INET6 5712 case AF_INET6: 5713 { 5714 struct sockaddr_in6 *sin6; 5715 5716 sin6 = (struct sockaddr_in6 *)addr; 5717 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5718 &sin6->sin6_addr) != 0) { 5719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5720 error = EINVAL; 5721 goto out_of_it; 5722 } 5723 break; 5724 } 5725#endif 5726 default: 5727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5728 error = EINVAL; 5729 goto out_of_it; 5730 } 5731 } 5732 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5734 error = EINVAL; 5735 } 5736 out_of_it: 5737 SCTP_TCB_UNLOCK(stcb); 5738 } else { 5739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5740 error = EINVAL; 5741 } 5742 break; 5743 } 5744 case SCTP_BINDX_ADD_ADDR: 5745 { 5746 struct sctp_getaddresses *addrs; 5747 struct thread *td; 5748 5749 td = (struct thread *)p; 5750 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5751 optsize); 5752#ifdef INET 5753 if (addrs->addr->sa_family == AF_INET) { 5754 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5756 error = EINVAL; 5757 break; 5758 } 5759 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5760 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5761 break; 5762 } 5763 } else 5764#endif 5765#ifdef INET6 5766 if (addrs->addr->sa_family == AF_INET6) { 5767 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5769 error = EINVAL; 5770 break; 5771 } 5772 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5773 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5774 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5775 break; 5776 } 5777 } else 5778#endif 5779 { 5780 error = EAFNOSUPPORT; 5781 break; 5782 } 5783 sctp_bindx_add_address(so, inp, addrs->addr, 5784 addrs->sget_assoc_id, vrf_id, 5785 &error, p); 5786 break; 5787 } 5788 case SCTP_BINDX_REM_ADDR: 5789 { 5790 struct sctp_getaddresses *addrs; 5791 struct thread *td; 5792 5793 td = (struct thread *)p; 5794 5795 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5796#ifdef INET 5797 if (addrs->addr->sa_family == AF_INET) { 5798 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5800 error = EINVAL; 5801 break; 5802 } 5803 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5804 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5805 break; 5806 } 5807 } else 5808#endif 5809#ifdef INET6 5810 if (addrs->addr->sa_family == AF_INET6) { 5811 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5813 error = EINVAL; 5814 break; 5815 } 5816 if (td != NULL && 5817 (error = prison_local_ip6(td->td_ucred, 5818 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5819 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5820 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5821 break; 5822 } 5823 } else 5824#endif 5825 { 5826 error = EAFNOSUPPORT; 5827 break; 5828 } 5829 sctp_bindx_delete_address(inp, addrs->addr, 5830 addrs->sget_assoc_id, vrf_id, 5831 &error); 5832 break; 5833 } 5834 case SCTP_EVENT: 5835 { 5836 struct sctp_event *event; 5837 uint32_t event_type; 5838 5839 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5840 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5841 switch (event->se_type) { 5842 case SCTP_ASSOC_CHANGE: 5843 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5844 break; 5845 case SCTP_PEER_ADDR_CHANGE: 5846 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5847 break; 5848 case SCTP_REMOTE_ERROR: 5849 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5850 break; 5851 case SCTP_SEND_FAILED: 5852 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5853 break; 5854 case SCTP_SHUTDOWN_EVENT: 5855 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5856 break; 5857 case SCTP_ADAPTATION_INDICATION: 5858 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5859 break; 5860 case SCTP_PARTIAL_DELIVERY_EVENT: 5861 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5862 break; 5863 case SCTP_AUTHENTICATION_EVENT: 5864 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5865 break; 5866 case SCTP_STREAM_RESET_EVENT: 5867 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5868 break; 5869 case SCTP_SENDER_DRY_EVENT: 5870 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5871 break; 5872 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5873 event_type = 0; 5874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5875 error = ENOTSUP; 5876 break; 5877 case SCTP_ASSOC_RESET_EVENT: 5878 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5879 break; 5880 case SCTP_STREAM_CHANGE_EVENT: 5881 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5882 break; 5883 case SCTP_SEND_FAILED_EVENT: 5884 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5885 break; 5886 default: 5887 event_type = 0; 5888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5889 error = EINVAL; 5890 break; 5891 } 5892 if (event_type > 0) { 5893 if (stcb) { 5894 if (event->se_on) { 5895 sctp_stcb_feature_on(inp, stcb, event_type); 5896 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5897 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5898 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5899 (stcb->asoc.stream_queue_cnt == 0)) { 5900 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5901 } 5902 } 5903 } else { 5904 sctp_stcb_feature_off(inp, stcb, event_type); 5905 } 5906 SCTP_TCB_UNLOCK(stcb); 5907 } else { 5908 /* 5909 * We don't want to send up a storm 5910 * of events, so return an error for 5911 * sender dry events 5912 */ 5913 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5914 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5915 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5916 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5917 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5919 error = ENOTSUP; 5920 break; 5921 } 5922 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5923 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5924 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5925 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5926 SCTP_INP_WLOCK(inp); 5927 if (event->se_on) { 5928 sctp_feature_on(inp, event_type); 5929 } else { 5930 sctp_feature_off(inp, event_type); 5931 } 5932 SCTP_INP_WUNLOCK(inp); 5933 } 5934 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5935 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5936 SCTP_INP_RLOCK(inp); 5937 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5938 SCTP_TCB_LOCK(stcb); 5939 if (event->se_on) { 5940 sctp_stcb_feature_on(inp, stcb, event_type); 5941 } else { 5942 sctp_stcb_feature_off(inp, stcb, event_type); 5943 } 5944 SCTP_TCB_UNLOCK(stcb); 5945 } 5946 SCTP_INP_RUNLOCK(inp); 5947 } 5948 } 5949 } 5950 break; 5951 } 5952 case SCTP_RECVRCVINFO: 5953 { 5954 int *onoff; 5955 5956 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5957 SCTP_INP_WLOCK(inp); 5958 if (*onoff != 0) { 5959 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5960 } else { 5961 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5962 } 5963 SCTP_INP_WUNLOCK(inp); 5964 break; 5965 } 5966 case SCTP_RECVNXTINFO: 5967 { 5968 int *onoff; 5969 5970 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5971 SCTP_INP_WLOCK(inp); 5972 if (*onoff != 0) { 5973 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5974 } else { 5975 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5976 } 5977 SCTP_INP_WUNLOCK(inp); 5978 break; 5979 } 5980 case SCTP_DEFAULT_SNDINFO: 5981 { 5982 struct sctp_sndinfo *info; 5983 uint16_t policy; 5984 5985 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5986 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5987 5988 if (stcb) { 5989 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5990 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5991 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5992 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5993 stcb->asoc.def_send.sinfo_flags |= policy; 5994 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5995 stcb->asoc.def_send.sinfo_context = info->snd_context; 5996 } else { 5997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5998 error = EINVAL; 5999 } 6000 SCTP_TCB_UNLOCK(stcb); 6001 } else { 6002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6003 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6004 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6005 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6006 SCTP_INP_WLOCK(inp); 6007 inp->def_send.sinfo_stream = info->snd_sid; 6008 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6009 inp->def_send.sinfo_flags = info->snd_flags; 6010 inp->def_send.sinfo_flags |= policy; 6011 inp->def_send.sinfo_ppid = info->snd_ppid; 6012 inp->def_send.sinfo_context = info->snd_context; 6013 SCTP_INP_WUNLOCK(inp); 6014 } 6015 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6016 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6017 SCTP_INP_RLOCK(inp); 6018 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6019 SCTP_TCB_LOCK(stcb); 6020 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6021 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6022 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6023 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6024 stcb->asoc.def_send.sinfo_flags |= policy; 6025 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6026 stcb->asoc.def_send.sinfo_context = info->snd_context; 6027 } 6028 SCTP_TCB_UNLOCK(stcb); 6029 } 6030 SCTP_INP_RUNLOCK(inp); 6031 } 6032 } 6033 break; 6034 } 6035 case SCTP_DEFAULT_PRINFO: 6036 { 6037 struct sctp_default_prinfo *info; 6038 6039 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6040 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6041 6042 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6044 error = EINVAL; 6045 break; 6046 } 6047 if (stcb) { 6048 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6049 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6050 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6051 SCTP_TCB_UNLOCK(stcb); 6052 } else { 6053 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6054 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6055 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6056 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6057 SCTP_INP_WLOCK(inp); 6058 inp->def_send.sinfo_flags &= 0xfff0; 6059 inp->def_send.sinfo_flags |= info->pr_policy; 6060 inp->def_send.sinfo_timetolive = info->pr_value; 6061 SCTP_INP_WUNLOCK(inp); 6062 } 6063 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6064 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6065 SCTP_INP_RLOCK(inp); 6066 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6067 SCTP_TCB_LOCK(stcb); 6068 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6069 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6070 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6071 SCTP_TCB_UNLOCK(stcb); 6072 } 6073 SCTP_INP_RUNLOCK(inp); 6074 } 6075 } 6076 break; 6077 } 6078 case SCTP_PEER_ADDR_THLDS: 6079 /* Applies to the specific association */ 6080 { 6081 struct sctp_paddrthlds *thlds; 6082 struct sctp_nets *net; 6083 struct sockaddr *addr; 6084 6085#if defined(INET) && defined(INET6) 6086 struct sockaddr_in sin_store; 6087 6088#endif 6089 6090 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6091 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6092 6093#if defined(INET) && defined(INET6) 6094 if (thlds->spt_address.ss_family == AF_INET6) { 6095 struct sockaddr_in6 *sin6; 6096 6097 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6098 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6099 in6_sin6_2_sin(&sin_store, sin6); 6100 addr = (struct sockaddr *)&sin_store; 6101 } else { 6102 addr = (struct sockaddr *)&thlds->spt_address; 6103 } 6104 } else { 6105 addr = (struct sockaddr *)&thlds->spt_address; 6106 } 6107#else 6108 addr = (struct sockaddr *)&thlds->spt_address; 6109#endif 6110 if (stcb != NULL) { 6111 net = sctp_findnet(stcb, addr); 6112 } else { 6113 /* 6114 * We increment here since 6115 * sctp_findassociation_ep_addr() wil do a 6116 * decrement if it finds the stcb as long as 6117 * the locked tcb (last argument) is NOT a 6118 * TCB.. aka NULL. 6119 */ 6120 net = NULL; 6121 SCTP_INP_INCR_REF(inp); 6122 stcb = sctp_findassociation_ep_addr(&inp, addr, 6123 &net, NULL, NULL); 6124 if (stcb == NULL) { 6125 SCTP_INP_DECR_REF(inp); 6126 } 6127 } 6128 if ((stcb != NULL) && (net == NULL)) { 6129#ifdef INET 6130 if (addr->sa_family == AF_INET) { 6131 6132 struct sockaddr_in *sin; 6133 6134 sin = (struct sockaddr_in *)addr; 6135 if (sin->sin_addr.s_addr != INADDR_ANY) { 6136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6137 SCTP_TCB_UNLOCK(stcb); 6138 error = EINVAL; 6139 break; 6140 } 6141 } else 6142#endif 6143#ifdef INET6 6144 if (addr->sa_family == AF_INET6) { 6145 struct sockaddr_in6 *sin6; 6146 6147 sin6 = (struct sockaddr_in6 *)addr; 6148 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6150 SCTP_TCB_UNLOCK(stcb); 6151 error = EINVAL; 6152 break; 6153 } 6154 } else 6155#endif 6156 { 6157 error = EAFNOSUPPORT; 6158 SCTP_TCB_UNLOCK(stcb); 6159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6160 break; 6161 } 6162 } 6163 if (stcb != NULL) { 6164 if (net != NULL) { 6165 if (net->dest_state & SCTP_ADDR_PF) { 6166 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6167 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6168 net->dest_state &= ~SCTP_ADDR_PF; 6169 } 6170 } else { 6171 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6172 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6173 net->dest_state |= SCTP_ADDR_PF; 6174 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6175 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6176 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6177 } 6178 } 6179 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6180 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6181 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6182 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6183 } 6184 } else { 6185 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6186 net->dest_state |= SCTP_ADDR_REACHABLE; 6187 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6188 } 6189 } 6190 net->failure_threshold = thlds->spt_pathmaxrxt; 6191 net->pf_threshold = thlds->spt_pathpfthld; 6192 } else { 6193 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6194 if (net->dest_state & SCTP_ADDR_PF) { 6195 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6196 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6197 net->dest_state &= ~SCTP_ADDR_PF; 6198 } 6199 } else { 6200 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6201 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6202 net->dest_state |= SCTP_ADDR_PF; 6203 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6204 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6205 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6206 } 6207 } 6208 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6209 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6210 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6211 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6212 } 6213 } else { 6214 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6215 net->dest_state |= SCTP_ADDR_REACHABLE; 6216 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6217 } 6218 } 6219 net->failure_threshold = thlds->spt_pathmaxrxt; 6220 net->pf_threshold = thlds->spt_pathpfthld; 6221 } 6222 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6223 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6224 } 6225 } else { 6226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6227 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6228 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6229 SCTP_INP_WLOCK(inp); 6230 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6231 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6232 SCTP_INP_WUNLOCK(inp); 6233 } else { 6234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6235 error = EINVAL; 6236 } 6237 } 6238 break; 6239 } 6240 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6241 { 6242 struct sctp_udpencaps *encaps; 6243 struct sctp_nets *net; 6244 struct sockaddr *addr; 6245 6246#if defined(INET) && defined(INET6) 6247 struct sockaddr_in sin_store; 6248 6249#endif 6250 6251 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6252 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6253 6254#if defined(INET) && defined(INET6) 6255 if (encaps->sue_address.ss_family == AF_INET6) { 6256 struct sockaddr_in6 *sin6; 6257 6258 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6259 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6260 in6_sin6_2_sin(&sin_store, sin6); 6261 addr = (struct sockaddr *)&sin_store; 6262 } else { 6263 addr = (struct sockaddr *)&encaps->sue_address; 6264 } 6265 } else { 6266 addr = (struct sockaddr *)&encaps->sue_address; 6267 } 6268#else 6269 addr = (struct sockaddr *)&encaps->sue_address; 6270#endif 6271 if (stcb != NULL) { 6272 net = sctp_findnet(stcb, addr); 6273 } else { 6274 /* 6275 * We increment here since 6276 * sctp_findassociation_ep_addr() wil do a 6277 * decrement if it finds the stcb as long as 6278 * the locked tcb (last argument) is NOT a 6279 * TCB.. aka NULL. 6280 */ 6281 net = NULL; 6282 SCTP_INP_INCR_REF(inp); 6283 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6284 if (stcb == NULL) { 6285 SCTP_INP_DECR_REF(inp); 6286 } 6287 } 6288 if ((stcb != NULL) && (net == NULL)) { 6289#ifdef INET 6290 if (addr->sa_family == AF_INET) { 6291 6292 struct sockaddr_in *sin; 6293 6294 sin = (struct sockaddr_in *)addr; 6295 if (sin->sin_addr.s_addr != INADDR_ANY) { 6296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6297 SCTP_TCB_UNLOCK(stcb); 6298 error = EINVAL; 6299 break; 6300 } 6301 } else 6302#endif 6303#ifdef INET6 6304 if (addr->sa_family == AF_INET6) { 6305 struct sockaddr_in6 *sin6; 6306 6307 sin6 = (struct sockaddr_in6 *)addr; 6308 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6310 SCTP_TCB_UNLOCK(stcb); 6311 error = EINVAL; 6312 break; 6313 } 6314 } else 6315#endif 6316 { 6317 error = EAFNOSUPPORT; 6318 SCTP_TCB_UNLOCK(stcb); 6319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6320 break; 6321 } 6322 } 6323 if (stcb != NULL) { 6324 if (net != NULL) { 6325 net->port = encaps->sue_port; 6326 } else { 6327 stcb->asoc.port = encaps->sue_port; 6328 } 6329 SCTP_TCB_UNLOCK(stcb); 6330 } else { 6331 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6332 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6333 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6334 SCTP_INP_WLOCK(inp); 6335 inp->sctp_ep.port = encaps->sue_port; 6336 SCTP_INP_WUNLOCK(inp); 6337 } else { 6338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6339 error = EINVAL; 6340 } 6341 } 6342 break; 6343 } 6344 case SCTP_ECN_SUPPORTED: 6345 { 6346 struct sctp_assoc_value *av; 6347 6348 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6349 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6350 6351 if (stcb) { 6352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6353 error = EINVAL; 6354 SCTP_TCB_UNLOCK(stcb); 6355 } else { 6356 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6357 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6358 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6359 SCTP_INP_WLOCK(inp); 6360 if (av->assoc_value == 0) { 6361 inp->ecn_supported = 0; 6362 } else { 6363 inp->ecn_supported = 1; 6364 } 6365 SCTP_INP_WUNLOCK(inp); 6366 } else { 6367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6368 error = EINVAL; 6369 } 6370 } 6371 break; 6372 } 6373 case SCTP_PR_SUPPORTED: 6374 { 6375 struct sctp_assoc_value *av; 6376 6377 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6378 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6379 6380 if (stcb) { 6381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6382 error = EINVAL; 6383 SCTP_TCB_UNLOCK(stcb); 6384 } else { 6385 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6386 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6387 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6388 SCTP_INP_WLOCK(inp); 6389 if (av->assoc_value == 0) { 6390 inp->prsctp_supported = 0; 6391 } else { 6392 inp->prsctp_supported = 1; 6393 } 6394 SCTP_INP_WUNLOCK(inp); 6395 } else { 6396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6397 error = EINVAL; 6398 } 6399 } 6400 break; 6401 } 6402 case SCTP_AUTH_SUPPORTED: 6403 { 6404 struct sctp_assoc_value *av; 6405 6406 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6407 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6408 6409 if (stcb) { 6410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6411 error = EINVAL; 6412 SCTP_TCB_UNLOCK(stcb); 6413 } else { 6414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6415 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6416 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6417 if ((av->assoc_value == 0) && 6418 (inp->asconf_supported == 1)) { 6419 /* 6420 * AUTH is required for 6421 * ASCONF 6422 */ 6423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6424 error = EINVAL; 6425 } else { 6426 SCTP_INP_WLOCK(inp); 6427 if (av->assoc_value == 0) { 6428 inp->auth_supported = 0; 6429 } else { 6430 inp->auth_supported = 1; 6431 } 6432 SCTP_INP_WUNLOCK(inp); 6433 } 6434 } else { 6435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6436 error = EINVAL; 6437 } 6438 } 6439 break; 6440 } 6441 case SCTP_ASCONF_SUPPORTED: 6442 { 6443 struct sctp_assoc_value *av; 6444 6445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6447 6448 if (stcb) { 6449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6450 error = EINVAL; 6451 SCTP_TCB_UNLOCK(stcb); 6452 } else { 6453 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6454 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6455 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6456 if ((av->assoc_value != 0) && 6457 (inp->auth_supported == 0)) { 6458 /* 6459 * AUTH is required for 6460 * ASCONF 6461 */ 6462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6463 error = EINVAL; 6464 } else { 6465 SCTP_INP_WLOCK(inp); 6466 if (av->assoc_value == 0) { 6467 inp->asconf_supported = 0; 6468 sctp_auth_delete_chunk(SCTP_ASCONF, 6469 inp->sctp_ep.local_auth_chunks); 6470 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6471 inp->sctp_ep.local_auth_chunks); 6472 } else { 6473 inp->asconf_supported = 1; 6474 sctp_auth_add_chunk(SCTP_ASCONF, 6475 inp->sctp_ep.local_auth_chunks); 6476 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6477 inp->sctp_ep.local_auth_chunks); 6478 } 6479 SCTP_INP_WUNLOCK(inp); 6480 } 6481 } else { 6482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6483 error = EINVAL; 6484 } 6485 } 6486 break; 6487 } 6488 case SCTP_RECONFIG_SUPPORTED: 6489 { 6490 struct sctp_assoc_value *av; 6491 6492 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6493 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6494 6495 if (stcb) { 6496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6497 error = EINVAL; 6498 SCTP_TCB_UNLOCK(stcb); 6499 } else { 6500 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6501 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6502 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6503 SCTP_INP_WLOCK(inp); 6504 if (av->assoc_value == 0) { 6505 inp->reconfig_supported = 0; 6506 } else { 6507 inp->reconfig_supported = 1; 6508 } 6509 SCTP_INP_WUNLOCK(inp); 6510 } else { 6511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6512 error = EINVAL; 6513 } 6514 } 6515 break; 6516 } 6517 case SCTP_NRSACK_SUPPORTED: 6518 { 6519 struct sctp_assoc_value *av; 6520 6521 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6522 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6523 6524 if (stcb) { 6525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6526 error = EINVAL; 6527 SCTP_TCB_UNLOCK(stcb); 6528 } else { 6529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6531 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6532 SCTP_INP_WLOCK(inp); 6533 if (av->assoc_value == 0) { 6534 inp->nrsack_supported = 0; 6535 } else { 6536 inp->nrsack_supported = 1; 6537 } 6538 SCTP_INP_WUNLOCK(inp); 6539 } else { 6540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6541 error = EINVAL; 6542 } 6543 } 6544 break; 6545 } 6546 case SCTP_PKTDROP_SUPPORTED: 6547 { 6548 struct sctp_assoc_value *av; 6549 6550 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6551 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6552 6553 if (stcb) { 6554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6555 error = EINVAL; 6556 SCTP_TCB_UNLOCK(stcb); 6557 } else { 6558 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6559 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6560 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6561 SCTP_INP_WLOCK(inp); 6562 if (av->assoc_value == 0) { 6563 inp->pktdrop_supported = 0; 6564 } else { 6565 inp->pktdrop_supported = 1; 6566 } 6567 SCTP_INP_WUNLOCK(inp); 6568 } else { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 } 6572 } 6573 break; 6574 } 6575 default: 6576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6577 error = ENOPROTOOPT; 6578 break; 6579 } /* end switch (opt) */ 6580 return (error); 6581} 6582 6583int 6584sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6585{ 6586 void *optval = NULL; 6587 size_t optsize = 0; 6588 void *p; 6589 int error = 0; 6590 6591 if (sopt->sopt_level != IPPROTO_SCTP) { 6592 /* wrong proto level... send back up to IP */ 6593#ifdef INET6 6594 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6595 error = ip6_ctloutput(so, sopt); 6596#endif /* INET6 */ 6597#if defined(INET) && defined(INET6) 6598 else 6599#endif 6600#ifdef INET 6601 error = ip_ctloutput(so, sopt); 6602#endif 6603 return (error); 6604 } 6605 optsize = sopt->sopt_valsize; 6606 if (optsize) { 6607 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6608 if (optval == NULL) { 6609 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6610 return (ENOBUFS); 6611 } 6612 error = sooptcopyin(sopt, optval, optsize, optsize); 6613 if (error) { 6614 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6615 goto out; 6616 } 6617 } 6618 p = (void *)sopt->sopt_td; 6619 if (sopt->sopt_dir == SOPT_SET) { 6620 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6621 } else if (sopt->sopt_dir == SOPT_GET) { 6622 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6623 } else { 6624 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 } 6627 if ((error == 0) && (optval != NULL)) { 6628 error = sooptcopyout(sopt, optval, optsize); 6629 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6630 } else if (optval != NULL) { 6631 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6632 } 6633out: 6634 return (error); 6635} 6636 6637#ifdef INET 6638static int 6639sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6640{ 6641 int error = 0; 6642 int create_lock_on = 0; 6643 uint32_t vrf_id; 6644 struct sctp_inpcb *inp; 6645 struct sctp_tcb *stcb = NULL; 6646 6647 inp = (struct sctp_inpcb *)so->so_pcb; 6648 if (inp == NULL) { 6649 /* I made the same as TCP since we are not setup? */ 6650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6651 return (ECONNRESET); 6652 } 6653 if (addr == NULL) { 6654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6655 return EINVAL; 6656 } 6657 switch (addr->sa_family) { 6658#ifdef INET6 6659 case AF_INET6: 6660 { 6661 struct sockaddr_in6 *sin6p; 6662 6663 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6665 return (EINVAL); 6666 } 6667 sin6p = (struct sockaddr_in6 *)addr; 6668 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6670 return (error); 6671 } 6672 break; 6673 } 6674#endif 6675#ifdef INET 6676 case AF_INET: 6677 { 6678 struct sockaddr_in *sinp; 6679 6680 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6682 return (EINVAL); 6683 } 6684 sinp = (struct sockaddr_in *)addr; 6685 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6687 return (error); 6688 } 6689 break; 6690 } 6691#endif 6692 default: 6693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6694 return (EAFNOSUPPORT); 6695 } 6696 SCTP_INP_INCR_REF(inp); 6697 SCTP_ASOC_CREATE_LOCK(inp); 6698 create_lock_on = 1; 6699 6700 6701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6702 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6703 /* Should I really unlock ? */ 6704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6705 error = EFAULT; 6706 goto out_now; 6707 } 6708#ifdef INET6 6709 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6710 (addr->sa_family == AF_INET6)) { 6711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6712 error = EINVAL; 6713 goto out_now; 6714 } 6715#endif 6716 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6717 SCTP_PCB_FLAGS_UNBOUND) { 6718 /* Bind a ephemeral port */ 6719 error = sctp_inpcb_bind(so, NULL, NULL, p); 6720 if (error) { 6721 goto out_now; 6722 } 6723 } 6724 /* Now do we connect? */ 6725 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6726 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6728 error = EINVAL; 6729 goto out_now; 6730 } 6731 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6732 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6733 /* We are already connected AND the TCP model */ 6734 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6735 error = EADDRINUSE; 6736 goto out_now; 6737 } 6738 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6739 SCTP_INP_RLOCK(inp); 6740 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6741 SCTP_INP_RUNLOCK(inp); 6742 } else { 6743 /* 6744 * We increment here since sctp_findassociation_ep_addr() 6745 * will do a decrement if it finds the stcb as long as the 6746 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6747 */ 6748 SCTP_INP_INCR_REF(inp); 6749 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6750 if (stcb == NULL) { 6751 SCTP_INP_DECR_REF(inp); 6752 } else { 6753 SCTP_TCB_UNLOCK(stcb); 6754 } 6755 } 6756 if (stcb != NULL) { 6757 /* Already have or am bring up an association */ 6758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6759 error = EALREADY; 6760 goto out_now; 6761 } 6762 vrf_id = inp->def_vrf_id; 6763 /* We are GOOD to go */ 6764 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6765 if (stcb == NULL) { 6766 /* Gak! no memory */ 6767 goto out_now; 6768 } 6769 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6770 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6771 /* Set the connected flag so we can queue data */ 6772 soisconnecting(so); 6773 } 6774 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6775 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6776 6777 /* initialize authentication parameters for the assoc */ 6778 sctp_initialize_auth_params(inp, stcb); 6779 6780 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6781 SCTP_TCB_UNLOCK(stcb); 6782out_now: 6783 if (create_lock_on) { 6784 SCTP_ASOC_CREATE_UNLOCK(inp); 6785 } 6786 SCTP_INP_DECR_REF(inp); 6787 return (error); 6788} 6789 6790#endif 6791 6792int 6793sctp_listen(struct socket *so, int backlog, struct thread *p) 6794{ 6795 /* 6796 * Note this module depends on the protocol processing being called 6797 * AFTER any socket level flags and backlog are applied to the 6798 * socket. The traditional way that the socket flags are applied is 6799 * AFTER protocol processing. We have made a change to the 6800 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6801 * place if the socket API for SCTP is to work properly. 6802 */ 6803 6804 int error = 0; 6805 struct sctp_inpcb *inp; 6806 6807 inp = (struct sctp_inpcb *)so->so_pcb; 6808 if (inp == NULL) { 6809 /* I made the same as TCP since we are not setup? */ 6810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6811 return (ECONNRESET); 6812 } 6813 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6814 /* See if we have a listener */ 6815 struct sctp_inpcb *tinp; 6816 union sctp_sockstore store; 6817 6818 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6819 /* not bound all */ 6820 struct sctp_laddr *laddr; 6821 6822 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6823 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6824 switch (store.sa.sa_family) { 6825#ifdef INET 6826 case AF_INET: 6827 store.sin.sin_port = inp->sctp_lport; 6828 break; 6829#endif 6830#ifdef INET6 6831 case AF_INET6: 6832 store.sin6.sin6_port = inp->sctp_lport; 6833 break; 6834#endif 6835 default: 6836 break; 6837 } 6838 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6839 if (tinp && (tinp != inp) && 6840 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6841 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6842 (tinp->sctp_socket->so_qlimit)) { 6843 /* 6844 * we have a listener already and 6845 * its not this inp. 6846 */ 6847 SCTP_INP_DECR_REF(tinp); 6848 return (EADDRINUSE); 6849 } else if (tinp) { 6850 SCTP_INP_DECR_REF(tinp); 6851 } 6852 } 6853 } else { 6854 /* Setup a local addr bound all */ 6855 memset(&store, 0, sizeof(store)); 6856#ifdef INET6 6857 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6858 store.sa.sa_family = AF_INET6; 6859 store.sa.sa_len = sizeof(struct sockaddr_in6); 6860 } 6861#endif 6862#ifdef INET 6863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6864 store.sa.sa_family = AF_INET; 6865 store.sa.sa_len = sizeof(struct sockaddr_in); 6866 } 6867#endif 6868 switch (store.sa.sa_family) { 6869#ifdef INET 6870 case AF_INET: 6871 store.sin.sin_port = inp->sctp_lport; 6872 break; 6873#endif 6874#ifdef INET6 6875 case AF_INET6: 6876 store.sin6.sin6_port = inp->sctp_lport; 6877 break; 6878#endif 6879 default: 6880 break; 6881 } 6882 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6883 if (tinp && (tinp != inp) && 6884 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6885 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6886 (tinp->sctp_socket->so_qlimit)) { 6887 /* 6888 * we have a listener already and its not 6889 * this inp. 6890 */ 6891 SCTP_INP_DECR_REF(tinp); 6892 return (EADDRINUSE); 6893 } else if (tinp) { 6894 SCTP_INP_DECR_REF(inp); 6895 } 6896 } 6897 } 6898 SCTP_INP_RLOCK(inp); 6899#ifdef SCTP_LOCK_LOGGING 6900 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6901 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6902 } 6903#endif 6904 SOCK_LOCK(so); 6905 error = solisten_proto_check(so); 6906 if (error) { 6907 SOCK_UNLOCK(so); 6908 SCTP_INP_RUNLOCK(inp); 6909 return (error); 6910 } 6911 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6912 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6913 /* 6914 * The unlucky case - We are in the tcp pool with this guy. 6915 * - Someone else is in the main inp slot. - We must move 6916 * this guy (the listener) to the main slot - We must then 6917 * move the guy that was listener to the TCP Pool. 6918 */ 6919 if (sctp_swap_inpcb_for_listen(inp)) { 6920 goto in_use; 6921 } 6922 } 6923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6924 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6925 /* We are already connected AND the TCP model */ 6926in_use: 6927 SCTP_INP_RUNLOCK(inp); 6928 SOCK_UNLOCK(so); 6929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6930 return (EADDRINUSE); 6931 } 6932 SCTP_INP_RUNLOCK(inp); 6933 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6934 /* We must do a bind. */ 6935 SOCK_UNLOCK(so); 6936 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6937 /* bind error, probably perm */ 6938 return (error); 6939 } 6940 SOCK_LOCK(so); 6941 } 6942 /* It appears for 7.0 and on, we must always call this. */ 6943 solisten_proto(so, backlog); 6944 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6945 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6946 so->so_options &= ~SO_ACCEPTCONN; 6947 } 6948 if (backlog == 0) { 6949 /* turning off listen */ 6950 so->so_options &= ~SO_ACCEPTCONN; 6951 } 6952 SOCK_UNLOCK(so); 6953 return (error); 6954} 6955 6956static int sctp_defered_wakeup_cnt = 0; 6957 6958int 6959sctp_accept(struct socket *so, struct sockaddr **addr) 6960{ 6961 struct sctp_tcb *stcb; 6962 struct sctp_inpcb *inp; 6963 union sctp_sockstore store; 6964 6965#ifdef INET6 6966 int error; 6967 6968#endif 6969 inp = (struct sctp_inpcb *)so->so_pcb; 6970 6971 if (inp == NULL) { 6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6973 return (ECONNRESET); 6974 } 6975 SCTP_INP_RLOCK(inp); 6976 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6977 SCTP_INP_RUNLOCK(inp); 6978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6979 return (EOPNOTSUPP); 6980 } 6981 if (so->so_state & SS_ISDISCONNECTED) { 6982 SCTP_INP_RUNLOCK(inp); 6983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6984 return (ECONNABORTED); 6985 } 6986 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6987 if (stcb == NULL) { 6988 SCTP_INP_RUNLOCK(inp); 6989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6990 return (ECONNRESET); 6991 } 6992 SCTP_TCB_LOCK(stcb); 6993 SCTP_INP_RUNLOCK(inp); 6994 store = stcb->asoc.primary_destination->ro._l_addr; 6995 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6996 SCTP_TCB_UNLOCK(stcb); 6997 switch (store.sa.sa_family) { 6998#ifdef INET 6999 case AF_INET: 7000 { 7001 struct sockaddr_in *sin; 7002 7003 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7004 if (sin == NULL) 7005 return (ENOMEM); 7006 sin->sin_family = AF_INET; 7007 sin->sin_len = sizeof(*sin); 7008 sin->sin_port = store.sin.sin_port; 7009 sin->sin_addr = store.sin.sin_addr; 7010 *addr = (struct sockaddr *)sin; 7011 break; 7012 } 7013#endif 7014#ifdef INET6 7015 case AF_INET6: 7016 { 7017 struct sockaddr_in6 *sin6; 7018 7019 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7020 if (sin6 == NULL) 7021 return (ENOMEM); 7022 sin6->sin6_family = AF_INET6; 7023 sin6->sin6_len = sizeof(*sin6); 7024 sin6->sin6_port = store.sin6.sin6_port; 7025 sin6->sin6_addr = store.sin6.sin6_addr; 7026 if ((error = sa6_recoverscope(sin6)) != 0) { 7027 SCTP_FREE_SONAME(sin6); 7028 return (error); 7029 } 7030 *addr = (struct sockaddr *)sin6; 7031 break; 7032 } 7033#endif 7034 default: 7035 /* TSNH */ 7036 break; 7037 } 7038 /* Wake any delayed sleep action */ 7039 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7040 SCTP_INP_WLOCK(inp); 7041 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7042 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7043 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7044 SCTP_INP_WUNLOCK(inp); 7045 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7046 if (sowriteable(inp->sctp_socket)) { 7047 sowwakeup_locked(inp->sctp_socket); 7048 } else { 7049 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7050 } 7051 SCTP_INP_WLOCK(inp); 7052 } 7053 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7054 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7055 SCTP_INP_WUNLOCK(inp); 7056 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7057 if (soreadable(inp->sctp_socket)) { 7058 sctp_defered_wakeup_cnt++; 7059 sorwakeup_locked(inp->sctp_socket); 7060 } else { 7061 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7062 } 7063 SCTP_INP_WLOCK(inp); 7064 } 7065 SCTP_INP_WUNLOCK(inp); 7066 } 7067 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7068 SCTP_TCB_LOCK(stcb); 7069 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 7070 } 7071 return (0); 7072} 7073 7074#ifdef INET 7075int 7076sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7077{ 7078 struct sockaddr_in *sin; 7079 uint32_t vrf_id; 7080 struct sctp_inpcb *inp; 7081 struct sctp_ifa *sctp_ifa; 7082 7083 /* 7084 * Do the malloc first in case it blocks. 7085 */ 7086 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7087 if (sin == NULL) 7088 return (ENOMEM); 7089 sin->sin_family = AF_INET; 7090 sin->sin_len = sizeof(*sin); 7091 inp = (struct sctp_inpcb *)so->so_pcb; 7092 if (!inp) { 7093 SCTP_FREE_SONAME(sin); 7094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7095 return (ECONNRESET); 7096 } 7097 SCTP_INP_RLOCK(inp); 7098 sin->sin_port = inp->sctp_lport; 7099 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7100 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7101 struct sctp_tcb *stcb; 7102 struct sockaddr_in *sin_a; 7103 struct sctp_nets *net; 7104 int fnd; 7105 7106 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7107 if (stcb == NULL) { 7108 goto notConn; 7109 } 7110 fnd = 0; 7111 sin_a = NULL; 7112 SCTP_TCB_LOCK(stcb); 7113 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7114 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7115 if (sin_a == NULL) 7116 /* this will make coverity happy */ 7117 continue; 7118 7119 if (sin_a->sin_family == AF_INET) { 7120 fnd = 1; 7121 break; 7122 } 7123 } 7124 if ((!fnd) || (sin_a == NULL)) { 7125 /* punt */ 7126 SCTP_TCB_UNLOCK(stcb); 7127 goto notConn; 7128 } 7129 vrf_id = inp->def_vrf_id; 7130 sctp_ifa = sctp_source_address_selection(inp, 7131 stcb, 7132 (sctp_route_t *) & net->ro, 7133 net, 0, vrf_id); 7134 if (sctp_ifa) { 7135 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7136 sctp_free_ifa(sctp_ifa); 7137 } 7138 SCTP_TCB_UNLOCK(stcb); 7139 } else { 7140 /* For the bound all case you get back 0 */ 7141 notConn: 7142 sin->sin_addr.s_addr = 0; 7143 } 7144 7145 } else { 7146 /* Take the first IPv4 address in the list */ 7147 struct sctp_laddr *laddr; 7148 int fnd = 0; 7149 7150 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7151 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7152 struct sockaddr_in *sin_a; 7153 7154 sin_a = &laddr->ifa->address.sin; 7155 sin->sin_addr = sin_a->sin_addr; 7156 fnd = 1; 7157 break; 7158 } 7159 } 7160 if (!fnd) { 7161 SCTP_FREE_SONAME(sin); 7162 SCTP_INP_RUNLOCK(inp); 7163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7164 return (ENOENT); 7165 } 7166 } 7167 SCTP_INP_RUNLOCK(inp); 7168 (*addr) = (struct sockaddr *)sin; 7169 return (0); 7170} 7171 7172int 7173sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7174{ 7175 struct sockaddr_in *sin; 7176 int fnd; 7177 struct sockaddr_in *sin_a; 7178 struct sctp_inpcb *inp; 7179 struct sctp_tcb *stcb; 7180 struct sctp_nets *net; 7181 7182 /* Do the malloc first in case it blocks. */ 7183 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7184 if (sin == NULL) 7185 return (ENOMEM); 7186 sin->sin_family = AF_INET; 7187 sin->sin_len = sizeof(*sin); 7188 7189 inp = (struct sctp_inpcb *)so->so_pcb; 7190 if ((inp == NULL) || 7191 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7192 /* UDP type and listeners will drop out here */ 7193 SCTP_FREE_SONAME(sin); 7194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7195 return (ENOTCONN); 7196 } 7197 SCTP_INP_RLOCK(inp); 7198 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7199 if (stcb) { 7200 SCTP_TCB_LOCK(stcb); 7201 } 7202 SCTP_INP_RUNLOCK(inp); 7203 if (stcb == NULL) { 7204 SCTP_FREE_SONAME(sin); 7205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7206 return (ECONNRESET); 7207 } 7208 fnd = 0; 7209 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7210 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7211 if (sin_a->sin_family == AF_INET) { 7212 fnd = 1; 7213 sin->sin_port = stcb->rport; 7214 sin->sin_addr = sin_a->sin_addr; 7215 break; 7216 } 7217 } 7218 SCTP_TCB_UNLOCK(stcb); 7219 if (!fnd) { 7220 /* No IPv4 address */ 7221 SCTP_FREE_SONAME(sin); 7222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7223 return (ENOENT); 7224 } 7225 (*addr) = (struct sockaddr *)sin; 7226 return (0); 7227} 7228 7229struct pr_usrreqs sctp_usrreqs = { 7230 .pru_abort = sctp_abort, 7231 .pru_accept = sctp_accept, 7232 .pru_attach = sctp_attach, 7233 .pru_bind = sctp_bind, 7234 .pru_connect = sctp_connect, 7235 .pru_control = in_control, 7236 .pru_close = sctp_close, 7237 .pru_detach = sctp_close, 7238 .pru_sopoll = sopoll_generic, 7239 .pru_flush = sctp_flush, 7240 .pru_disconnect = sctp_disconnect, 7241 .pru_listen = sctp_listen, 7242 .pru_peeraddr = sctp_peeraddr, 7243 .pru_send = sctp_sendm, 7244 .pru_shutdown = sctp_shutdown, 7245 .pru_sockaddr = sctp_ingetaddr, 7246 .pru_sosend = sctp_sosend, 7247 .pru_soreceive = sctp_soreceive 7248}; 7249 7250#endif 7251