sctp_usrreq.c revision 283727
1160212Smjacob/*- 2160212Smjacob * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3160212Smjacob * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4160212Smjacob * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5160212Smjacob * 6160212Smjacob * Redistribution and use in source and binary forms, with or without 7160212Smjacob * modification, are permitted provided that the following conditions are met: 8160212Smjacob * 9160212Smjacob * a) Redistributions of source code must retain the above copyright notice, 10160212Smjacob * this list of conditions and the following disclaimer. 11160212Smjacob * 12160212Smjacob * b) Redistributions in binary form must reproduce the above copyright 13160212Smjacob * notice, this list of conditions and the following disclaimer in 14160212Smjacob * the documentation and/or other materials provided with the distribution. 15160212Smjacob * 16160212Smjacob * c) Neither the name of Cisco Systems, Inc. nor the names of its 17160212Smjacob * contributors may be used to endorse or promote products derived 18160212Smjacob * from this software without specific prior written permission. 19160212Smjacob * 20160212Smjacob * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21160212Smjacob * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22160212Smjacob * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23160212Smjacob * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24160212Smjacob * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25160212Smjacob * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26160212Smjacob * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27160212Smjacob * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28160212Smjacob * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29160212Smjacob * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30160212Smjacob * THE POSSIBILITY OF SUCH DAMAGE. 31160212Smjacob */ 32160212Smjacob 33160212Smjacob#include <sys/cdefs.h> 34160212Smjacob__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 283727 2015-05-29 13:02:00Z tuexen $"); 35160212Smjacob 36160212Smjacob#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 case SCTP_MAX_CWND: 3698 { 3699 struct sctp_assoc_value *av; 3700 3701 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3702 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3703 3704 if (stcb) { 3705 av->assoc_value = stcb->asoc.max_cwnd; 3706 SCTP_TCB_UNLOCK(stcb); 3707 } else { 3708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3710 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3711 SCTP_INP_RLOCK(inp); 3712 av->assoc_value = inp->max_cwnd; 3713 SCTP_INP_RUNLOCK(inp); 3714 } else { 3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3716 error = EINVAL; 3717 } 3718 } 3719 if (error == 0) { 3720 *optsize = sizeof(struct sctp_assoc_value); 3721 } 3722 break; 3723 } 3724 default: 3725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3726 error = ENOPROTOOPT; 3727 break; 3728 } /* end switch (sopt->sopt_name) */ 3729 if (error) { 3730 *optsize = 0; 3731 } 3732 return (error); 3733} 3734 3735static int 3736sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3737 void *p) 3738{ 3739 int error, set_opt; 3740 uint32_t *mopt; 3741 struct sctp_tcb *stcb = NULL; 3742 struct sctp_inpcb *inp = NULL; 3743 uint32_t vrf_id; 3744 3745 if (optval == NULL) { 3746 SCTP_PRINTF("optval is NULL\n"); 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3748 return (EINVAL); 3749 } 3750 inp = (struct sctp_inpcb *)so->so_pcb; 3751 if (inp == NULL) { 3752 SCTP_PRINTF("inp is NULL?\n"); 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 vrf_id = inp->def_vrf_id; 3757 3758 error = 0; 3759 switch (optname) { 3760 case SCTP_NODELAY: 3761 case SCTP_AUTOCLOSE: 3762 case SCTP_AUTO_ASCONF: 3763 case SCTP_EXPLICIT_EOR: 3764 case SCTP_DISABLE_FRAGMENTS: 3765 case SCTP_USE_EXT_RCVINFO: 3766 case SCTP_I_WANT_MAPPED_V4_ADDR: 3767 /* copy in the option value */ 3768 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3769 set_opt = 0; 3770 if (error) 3771 break; 3772 switch (optname) { 3773 case SCTP_DISABLE_FRAGMENTS: 3774 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3775 break; 3776 case SCTP_AUTO_ASCONF: 3777 /* 3778 * NOTE: we don't really support this flag 3779 */ 3780 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3781 /* only valid for bound all sockets */ 3782 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3783 (*mopt != 0)) { 3784 /* forbidden by admin */ 3785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3786 return (EPERM); 3787 } 3788 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3789 } else { 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3791 return (EINVAL); 3792 } 3793 break; 3794 case SCTP_EXPLICIT_EOR: 3795 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3796 break; 3797 case SCTP_USE_EXT_RCVINFO: 3798 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3799 break; 3800 case SCTP_I_WANT_MAPPED_V4_ADDR: 3801 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3802 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3803 } else { 3804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3805 return (EINVAL); 3806 } 3807 break; 3808 case SCTP_NODELAY: 3809 set_opt = SCTP_PCB_FLAGS_NODELAY; 3810 break; 3811 case SCTP_AUTOCLOSE: 3812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3813 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3815 return (EINVAL); 3816 } 3817 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3818 /* 3819 * The value is in ticks. Note this does not effect 3820 * old associations, only new ones. 3821 */ 3822 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3823 break; 3824 } 3825 SCTP_INP_WLOCK(inp); 3826 if (*mopt != 0) { 3827 sctp_feature_on(inp, set_opt); 3828 } else { 3829 sctp_feature_off(inp, set_opt); 3830 } 3831 SCTP_INP_WUNLOCK(inp); 3832 break; 3833 case SCTP_REUSE_PORT: 3834 { 3835 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3836 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3837 /* Can't set it after we are bound */ 3838 error = EINVAL; 3839 break; 3840 } 3841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3842 /* Can't do this for a 1-m socket */ 3843 error = EINVAL; 3844 break; 3845 } 3846 if (optval) 3847 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3848 else 3849 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3850 break; 3851 } 3852 case SCTP_PARTIAL_DELIVERY_POINT: 3853 { 3854 uint32_t *value; 3855 3856 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3857 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3859 error = EINVAL; 3860 break; 3861 } 3862 inp->partial_delivery_point = *value; 3863 break; 3864 } 3865 case SCTP_FRAGMENT_INTERLEAVE: 3866 /* not yet until we re-write sctp_recvmsg() */ 3867 { 3868 uint32_t *level; 3869 3870 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3871 if (*level == SCTP_FRAG_LEVEL_2) { 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3873 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3874 } else if (*level == SCTP_FRAG_LEVEL_1) { 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3877 } else if (*level == SCTP_FRAG_LEVEL_0) { 3878 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3879 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3880 3881 } else { 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3883 error = EINVAL; 3884 } 3885 break; 3886 } 3887 case SCTP_CMT_ON_OFF: 3888 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3889 struct sctp_assoc_value *av; 3890 3891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3892 if (av->assoc_value > SCTP_CMT_MAX) { 3893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3894 error = EINVAL; 3895 break; 3896 } 3897 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3898 if (stcb) { 3899 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3900 SCTP_TCB_UNLOCK(stcb); 3901 } else { 3902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3904 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3905 (av->assoc_id == SCTP_ALL_ASSOC)) { 3906 SCTP_INP_WLOCK(inp); 3907 inp->sctp_cmt_on_off = av->assoc_value; 3908 SCTP_INP_WUNLOCK(inp); 3909 } 3910 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3911 (av->assoc_id == SCTP_ALL_ASSOC)) { 3912 SCTP_INP_RLOCK(inp); 3913 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3914 SCTP_TCB_LOCK(stcb); 3915 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3916 SCTP_TCB_UNLOCK(stcb); 3917 } 3918 SCTP_INP_RUNLOCK(inp); 3919 } 3920 } 3921 } else { 3922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3923 error = ENOPROTOOPT; 3924 } 3925 break; 3926 case SCTP_PLUGGABLE_CC: 3927 { 3928 struct sctp_assoc_value *av; 3929 struct sctp_nets *net; 3930 3931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3932 if ((av->assoc_value != SCTP_CC_RFC2581) && 3933 (av->assoc_value != SCTP_CC_HSTCP) && 3934 (av->assoc_value != SCTP_CC_HTCP) && 3935 (av->assoc_value != SCTP_CC_RTCC)) { 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3937 error = EINVAL; 3938 break; 3939 } 3940 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3941 if (stcb) { 3942 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3943 stcb->asoc.congestion_control_module = av->assoc_value; 3944 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3945 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3946 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3947 } 3948 } 3949 SCTP_TCB_UNLOCK(stcb); 3950 } else { 3951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3952 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3953 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3954 (av->assoc_id == SCTP_ALL_ASSOC)) { 3955 SCTP_INP_WLOCK(inp); 3956 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3957 SCTP_INP_WUNLOCK(inp); 3958 } 3959 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3960 (av->assoc_id == SCTP_ALL_ASSOC)) { 3961 SCTP_INP_RLOCK(inp); 3962 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3963 SCTP_TCB_LOCK(stcb); 3964 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3965 stcb->asoc.congestion_control_module = av->assoc_value; 3966 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3967 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3968 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3969 } 3970 } 3971 SCTP_TCB_UNLOCK(stcb); 3972 } 3973 SCTP_INP_RUNLOCK(inp); 3974 } 3975 } 3976 break; 3977 } 3978 case SCTP_CC_OPTION: 3979 { 3980 struct sctp_cc_option *cc_opt; 3981 3982 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3983 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3984 if (stcb == NULL) { 3985 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3986 SCTP_INP_RLOCK(inp); 3987 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3988 SCTP_TCB_LOCK(stcb); 3989 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3990 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3991 } 3992 SCTP_TCB_UNLOCK(stcb); 3993 } 3994 SCTP_INP_RUNLOCK(inp); 3995 } else { 3996 error = EINVAL; 3997 } 3998 } else { 3999 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4000 error = ENOTSUP; 4001 } else { 4002 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4003 cc_opt); 4004 } 4005 SCTP_TCB_UNLOCK(stcb); 4006 } 4007 break; 4008 } 4009 case SCTP_PLUGGABLE_SS: 4010 { 4011 struct sctp_assoc_value *av; 4012 4013 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4014 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4015 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4016 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4017 (av->assoc_value != SCTP_SS_PRIORITY) && 4018 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4019 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4021 error = EINVAL; 4022 break; 4023 } 4024 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4025 if (stcb) { 4026 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4027 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4028 stcb->asoc.stream_scheduling_module = av->assoc_value; 4029 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4030 SCTP_TCB_UNLOCK(stcb); 4031 } else { 4032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4034 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4035 (av->assoc_id == SCTP_ALL_ASSOC)) { 4036 SCTP_INP_WLOCK(inp); 4037 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4038 SCTP_INP_WUNLOCK(inp); 4039 } 4040 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4041 (av->assoc_id == SCTP_ALL_ASSOC)) { 4042 SCTP_INP_RLOCK(inp); 4043 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4044 SCTP_TCB_LOCK(stcb); 4045 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4046 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4047 stcb->asoc.stream_scheduling_module = av->assoc_value; 4048 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4049 SCTP_TCB_UNLOCK(stcb); 4050 } 4051 SCTP_INP_RUNLOCK(inp); 4052 } 4053 } 4054 break; 4055 } 4056 case SCTP_SS_VALUE: 4057 { 4058 struct sctp_stream_value *av; 4059 4060 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4061 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4062 if (stcb) { 4063 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4064 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4065 av->stream_value) < 0)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 } 4069 SCTP_TCB_UNLOCK(stcb); 4070 } else { 4071 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4072 SCTP_INP_RLOCK(inp); 4073 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4074 SCTP_TCB_LOCK(stcb); 4075 if (av->stream_id < stcb->asoc.streamoutcnt) { 4076 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4077 &stcb->asoc, 4078 &stcb->asoc.strmout[av->stream_id], 4079 av->stream_value); 4080 } 4081 SCTP_TCB_UNLOCK(stcb); 4082 } 4083 SCTP_INP_RUNLOCK(inp); 4084 } else { 4085 /* 4086 * Can't set stream value without 4087 * association 4088 */ 4089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4090 error = EINVAL; 4091 } 4092 } 4093 break; 4094 } 4095 case SCTP_CLR_STAT_LOG: 4096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4097 error = EOPNOTSUPP; 4098 break; 4099 case SCTP_CONTEXT: 4100 { 4101 struct sctp_assoc_value *av; 4102 4103 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4104 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4105 4106 if (stcb) { 4107 stcb->asoc.context = av->assoc_value; 4108 SCTP_TCB_UNLOCK(stcb); 4109 } else { 4110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4111 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4112 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4113 (av->assoc_id == SCTP_ALL_ASSOC)) { 4114 SCTP_INP_WLOCK(inp); 4115 inp->sctp_context = av->assoc_value; 4116 SCTP_INP_WUNLOCK(inp); 4117 } 4118 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4119 (av->assoc_id == SCTP_ALL_ASSOC)) { 4120 SCTP_INP_RLOCK(inp); 4121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4122 SCTP_TCB_LOCK(stcb); 4123 stcb->asoc.context = av->assoc_value; 4124 SCTP_TCB_UNLOCK(stcb); 4125 } 4126 SCTP_INP_RUNLOCK(inp); 4127 } 4128 } 4129 break; 4130 } 4131 case SCTP_VRF_ID: 4132 { 4133 uint32_t *default_vrfid; 4134 4135 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4136 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4138 error = EINVAL; 4139 break; 4140 } 4141 inp->def_vrf_id = *default_vrfid; 4142 break; 4143 } 4144 case SCTP_DEL_VRF_ID: 4145 { 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4147 error = EOPNOTSUPP; 4148 break; 4149 } 4150 case SCTP_ADD_VRF_ID: 4151 { 4152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4153 error = EOPNOTSUPP; 4154 break; 4155 } 4156 case SCTP_DELAYED_SACK: 4157 { 4158 struct sctp_sack_info *sack; 4159 4160 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4161 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4162 if (sack->sack_delay) { 4163 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4164 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4165 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4166 sack->sack_delay = TICKS_TO_MSEC(1); 4167 } 4168 } 4169 if (stcb) { 4170 if (sack->sack_delay) { 4171 stcb->asoc.delayed_ack = sack->sack_delay; 4172 } 4173 if (sack->sack_freq) { 4174 stcb->asoc.sack_freq = sack->sack_freq; 4175 } 4176 SCTP_TCB_UNLOCK(stcb); 4177 } else { 4178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4180 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4181 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4182 SCTP_INP_WLOCK(inp); 4183 if (sack->sack_delay) { 4184 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4185 } 4186 if (sack->sack_freq) { 4187 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4188 } 4189 SCTP_INP_WUNLOCK(inp); 4190 } 4191 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4192 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4193 SCTP_INP_RLOCK(inp); 4194 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4195 SCTP_TCB_LOCK(stcb); 4196 if (sack->sack_delay) { 4197 stcb->asoc.delayed_ack = sack->sack_delay; 4198 } 4199 if (sack->sack_freq) { 4200 stcb->asoc.sack_freq = sack->sack_freq; 4201 } 4202 SCTP_TCB_UNLOCK(stcb); 4203 } 4204 SCTP_INP_RUNLOCK(inp); 4205 } 4206 } 4207 break; 4208 } 4209 case SCTP_AUTH_CHUNK: 4210 { 4211 struct sctp_authchunk *sauth; 4212 4213 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4214 4215 SCTP_INP_WLOCK(inp); 4216 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4218 error = EINVAL; 4219 } 4220 SCTP_INP_WUNLOCK(inp); 4221 break; 4222 } 4223 case SCTP_AUTH_KEY: 4224 { 4225 struct sctp_authkey *sca; 4226 struct sctp_keyhead *shared_keys; 4227 sctp_sharedkey_t *shared_key; 4228 sctp_key_t *key = NULL; 4229 size_t size; 4230 4231 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4232 if (sca->sca_keylength == 0) { 4233 size = optsize - sizeof(struct sctp_authkey); 4234 } else { 4235 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4236 size = sca->sca_keylength; 4237 } else { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4239 error = EINVAL; 4240 break; 4241 } 4242 } 4243 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4244 4245 if (stcb) { 4246 shared_keys = &stcb->asoc.shared_keys; 4247 /* clear the cached keys for this key id */ 4248 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4249 /* 4250 * create the new shared key and 4251 * insert/replace it 4252 */ 4253 if (size > 0) { 4254 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4255 if (key == NULL) { 4256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4257 error = ENOMEM; 4258 SCTP_TCB_UNLOCK(stcb); 4259 break; 4260 } 4261 } 4262 shared_key = sctp_alloc_sharedkey(); 4263 if (shared_key == NULL) { 4264 sctp_free_key(key); 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4266 error = ENOMEM; 4267 SCTP_TCB_UNLOCK(stcb); 4268 break; 4269 } 4270 shared_key->key = key; 4271 shared_key->keyid = sca->sca_keynumber; 4272 error = sctp_insert_sharedkey(shared_keys, shared_key); 4273 SCTP_TCB_UNLOCK(stcb); 4274 } else { 4275 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4276 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4277 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4278 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4279 SCTP_INP_WLOCK(inp); 4280 shared_keys = &inp->sctp_ep.shared_keys; 4281 /* 4282 * clear the cached keys on all 4283 * assocs for this key id 4284 */ 4285 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4286 /* 4287 * create the new shared key and 4288 * insert/replace it 4289 */ 4290 if (size > 0) { 4291 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4292 if (key == NULL) { 4293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4294 error = ENOMEM; 4295 SCTP_INP_WUNLOCK(inp); 4296 break; 4297 } 4298 } 4299 shared_key = sctp_alloc_sharedkey(); 4300 if (shared_key == NULL) { 4301 sctp_free_key(key); 4302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4303 error = ENOMEM; 4304 SCTP_INP_WUNLOCK(inp); 4305 break; 4306 } 4307 shared_key->key = key; 4308 shared_key->keyid = sca->sca_keynumber; 4309 error = sctp_insert_sharedkey(shared_keys, shared_key); 4310 SCTP_INP_WUNLOCK(inp); 4311 } 4312 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4313 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4314 SCTP_INP_RLOCK(inp); 4315 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4316 SCTP_TCB_LOCK(stcb); 4317 shared_keys = &stcb->asoc.shared_keys; 4318 /* 4319 * clear the cached keys for 4320 * this key id 4321 */ 4322 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4323 /* 4324 * create the new shared key 4325 * and insert/replace it 4326 */ 4327 if (size > 0) { 4328 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4329 if (key == NULL) { 4330 SCTP_TCB_UNLOCK(stcb); 4331 continue; 4332 } 4333 } 4334 shared_key = sctp_alloc_sharedkey(); 4335 if (shared_key == NULL) { 4336 sctp_free_key(key); 4337 SCTP_TCB_UNLOCK(stcb); 4338 continue; 4339 } 4340 shared_key->key = key; 4341 shared_key->keyid = sca->sca_keynumber; 4342 error = sctp_insert_sharedkey(shared_keys, shared_key); 4343 SCTP_TCB_UNLOCK(stcb); 4344 } 4345 SCTP_INP_RUNLOCK(inp); 4346 } 4347 } 4348 break; 4349 } 4350 case SCTP_HMAC_IDENT: 4351 { 4352 struct sctp_hmacalgo *shmac; 4353 sctp_hmaclist_t *hmaclist; 4354 uint16_t hmacid; 4355 uint32_t i; 4356 4357 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4358 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4359 (shmac->shmac_number_of_idents > 0xffff)) { 4360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4361 error = EINVAL; 4362 break; 4363 } 4364 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4365 if (hmaclist == NULL) { 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4367 error = ENOMEM; 4368 break; 4369 } 4370 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4371 hmacid = shmac->shmac_idents[i]; 4372 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4373 /* invalid HMACs were found */ ; 4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4375 error = EINVAL; 4376 sctp_free_hmaclist(hmaclist); 4377 goto sctp_set_hmac_done; 4378 } 4379 } 4380 for (i = 0; i < hmaclist->num_algo; i++) { 4381 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4382 /* already in list */ 4383 break; 4384 } 4385 } 4386 if (i == hmaclist->num_algo) { 4387 /* not found in list */ 4388 sctp_free_hmaclist(hmaclist); 4389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4390 error = EINVAL; 4391 break; 4392 } 4393 /* set it on the endpoint */ 4394 SCTP_INP_WLOCK(inp); 4395 if (inp->sctp_ep.local_hmacs) 4396 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4397 inp->sctp_ep.local_hmacs = hmaclist; 4398 SCTP_INP_WUNLOCK(inp); 4399 sctp_set_hmac_done: 4400 break; 4401 } 4402 case SCTP_AUTH_ACTIVE_KEY: 4403 { 4404 struct sctp_authkeyid *scact; 4405 4406 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4407 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4408 4409 /* set the active key on the right place */ 4410 if (stcb) { 4411 /* set the active key on the assoc */ 4412 if (sctp_auth_setactivekey(stcb, 4413 scact->scact_keynumber)) { 4414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4415 SCTP_FROM_SCTP_USRREQ, 4416 EINVAL); 4417 error = EINVAL; 4418 } 4419 SCTP_TCB_UNLOCK(stcb); 4420 } else { 4421 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4422 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4423 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4424 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4425 SCTP_INP_WLOCK(inp); 4426 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4428 error = EINVAL; 4429 } 4430 SCTP_INP_WUNLOCK(inp); 4431 } 4432 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4433 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4434 SCTP_INP_RLOCK(inp); 4435 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4436 SCTP_TCB_LOCK(stcb); 4437 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4438 SCTP_TCB_UNLOCK(stcb); 4439 } 4440 SCTP_INP_RUNLOCK(inp); 4441 } 4442 } 4443 break; 4444 } 4445 case SCTP_AUTH_DELETE_KEY: 4446 { 4447 struct sctp_authkeyid *scdel; 4448 4449 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4450 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4451 4452 /* delete the key from the right place */ 4453 if (stcb) { 4454 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4456 error = EINVAL; 4457 } 4458 SCTP_TCB_UNLOCK(stcb); 4459 } else { 4460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4462 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4463 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4464 SCTP_INP_WLOCK(inp); 4465 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4467 error = EINVAL; 4468 } 4469 SCTP_INP_WUNLOCK(inp); 4470 } 4471 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4472 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4473 SCTP_INP_RLOCK(inp); 4474 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4475 SCTP_TCB_LOCK(stcb); 4476 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4477 SCTP_TCB_UNLOCK(stcb); 4478 } 4479 SCTP_INP_RUNLOCK(inp); 4480 } 4481 } 4482 break; 4483 } 4484 case SCTP_AUTH_DEACTIVATE_KEY: 4485 { 4486 struct sctp_authkeyid *keyid; 4487 4488 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4489 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4490 4491 /* deactivate the key from the right place */ 4492 if (stcb) { 4493 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4495 error = EINVAL; 4496 } 4497 SCTP_TCB_UNLOCK(stcb); 4498 } else { 4499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4501 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4502 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4503 SCTP_INP_WLOCK(inp); 4504 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4506 error = EINVAL; 4507 } 4508 SCTP_INP_WUNLOCK(inp); 4509 } 4510 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4511 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4512 SCTP_INP_RLOCK(inp); 4513 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4514 SCTP_TCB_LOCK(stcb); 4515 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4516 SCTP_TCB_UNLOCK(stcb); 4517 } 4518 SCTP_INP_RUNLOCK(inp); 4519 } 4520 } 4521 break; 4522 } 4523 case SCTP_ENABLE_STREAM_RESET: 4524 { 4525 struct sctp_assoc_value *av; 4526 4527 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4528 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4530 error = EINVAL; 4531 break; 4532 } 4533 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4534 if (stcb) { 4535 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4536 SCTP_TCB_UNLOCK(stcb); 4537 } else { 4538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4539 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4540 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4541 (av->assoc_id == SCTP_ALL_ASSOC)) { 4542 SCTP_INP_WLOCK(inp); 4543 inp->local_strreset_support = (uint8_t) av->assoc_value; 4544 SCTP_INP_WUNLOCK(inp); 4545 } 4546 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4547 (av->assoc_id == SCTP_ALL_ASSOC)) { 4548 SCTP_INP_RLOCK(inp); 4549 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4550 SCTP_TCB_LOCK(stcb); 4551 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4552 SCTP_TCB_UNLOCK(stcb); 4553 } 4554 SCTP_INP_RUNLOCK(inp); 4555 } 4556 } 4557 break; 4558 } 4559 case SCTP_RESET_STREAMS: 4560 { 4561 struct sctp_reset_streams *strrst; 4562 int i, send_out = 0; 4563 int send_in = 0; 4564 4565 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4566 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4567 if (stcb == NULL) { 4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4569 error = ENOENT; 4570 break; 4571 } 4572 if (stcb->asoc.reconfig_supported == 0) { 4573 /* 4574 * Peer does not support the chunk type. 4575 */ 4576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4577 error = EOPNOTSUPP; 4578 SCTP_TCB_UNLOCK(stcb); 4579 break; 4580 } 4581 if (sizeof(struct sctp_reset_streams) + 4582 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4583 error = EINVAL; 4584 SCTP_TCB_UNLOCK(stcb); 4585 break; 4586 } 4587 if (stcb->asoc.stream_reset_outstanding) { 4588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4589 error = EALREADY; 4590 SCTP_TCB_UNLOCK(stcb); 4591 break; 4592 } 4593 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4594 send_in = 1; 4595 } 4596 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4597 send_out = 1; 4598 } 4599 if ((send_in == 0) && (send_out == 0)) { 4600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4601 error = EINVAL; 4602 SCTP_TCB_UNLOCK(stcb); 4603 break; 4604 } 4605 for (i = 0; i < strrst->srs_number_streams; i++) { 4606 if ((send_in) && 4607 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4609 error = EINVAL; 4610 break; 4611 } 4612 if ((send_out) && 4613 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4615 error = EINVAL; 4616 break; 4617 } 4618 } 4619 if (error) { 4620 SCTP_TCB_UNLOCK(stcb); 4621 break; 4622 } 4623 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4624 strrst->srs_stream_list, 4625 send_out, send_in, 0, 0, 0, 0, 0); 4626 4627 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4628 SCTP_TCB_UNLOCK(stcb); 4629 break; 4630 } 4631 case SCTP_ADD_STREAMS: 4632 { 4633 struct sctp_add_streams *stradd; 4634 uint8_t addstream = 0; 4635 uint16_t add_o_strmcnt = 0; 4636 uint16_t add_i_strmcnt = 0; 4637 4638 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4639 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4640 if (stcb == NULL) { 4641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4642 error = ENOENT; 4643 break; 4644 } 4645 if (stcb->asoc.reconfig_supported == 0) { 4646 /* 4647 * Peer does not support the chunk type. 4648 */ 4649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4650 error = EOPNOTSUPP; 4651 SCTP_TCB_UNLOCK(stcb); 4652 break; 4653 } 4654 if (stcb->asoc.stream_reset_outstanding) { 4655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4656 error = EALREADY; 4657 SCTP_TCB_UNLOCK(stcb); 4658 break; 4659 } 4660 if ((stradd->sas_outstrms == 0) && 4661 (stradd->sas_instrms == 0)) { 4662 error = EINVAL; 4663 goto skip_stuff; 4664 } 4665 if (stradd->sas_outstrms) { 4666 addstream = 1; 4667 /* We allocate here */ 4668 add_o_strmcnt = stradd->sas_outstrms; 4669 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4670 /* You can't have more than 64k */ 4671 error = EINVAL; 4672 goto skip_stuff; 4673 } 4674 } 4675 if (stradd->sas_instrms) { 4676 int cnt; 4677 4678 addstream |= 2; 4679 /* 4680 * We allocate inside 4681 * sctp_send_str_reset_req() 4682 */ 4683 add_i_strmcnt = stradd->sas_instrms; 4684 cnt = add_i_strmcnt; 4685 cnt += stcb->asoc.streamincnt; 4686 if (cnt > 0x0000ffff) { 4687 /* You can't have more than 64k */ 4688 error = EINVAL; 4689 goto skip_stuff; 4690 } 4691 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4692 /* More than you are allowed */ 4693 error = EINVAL; 4694 goto skip_stuff; 4695 } 4696 } 4697 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4698 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4699 skip_stuff: 4700 SCTP_TCB_UNLOCK(stcb); 4701 break; 4702 } 4703 case SCTP_RESET_ASSOC: 4704 { 4705 uint32_t *value; 4706 4707 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4708 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4709 if (stcb == NULL) { 4710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4711 error = ENOENT; 4712 break; 4713 } 4714 if (stcb->asoc.reconfig_supported == 0) { 4715 /* 4716 * Peer does not support the chunk type. 4717 */ 4718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4719 error = EOPNOTSUPP; 4720 SCTP_TCB_UNLOCK(stcb); 4721 break; 4722 } 4723 if (stcb->asoc.stream_reset_outstanding) { 4724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4725 error = EALREADY; 4726 SCTP_TCB_UNLOCK(stcb); 4727 break; 4728 } 4729 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4730 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4731 SCTP_TCB_UNLOCK(stcb); 4732 break; 4733 } 4734 case SCTP_CONNECT_X: 4735 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4737 error = EINVAL; 4738 break; 4739 } 4740 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4741 break; 4742 case SCTP_CONNECT_X_DELAYED: 4743 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4745 error = EINVAL; 4746 break; 4747 } 4748 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4749 break; 4750 case SCTP_CONNECT_X_COMPLETE: 4751 { 4752 struct sockaddr *sa; 4753 4754 /* FIXME MT: check correct? */ 4755 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4756 4757 /* find tcb */ 4758 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4759 SCTP_INP_RLOCK(inp); 4760 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4761 if (stcb) { 4762 SCTP_TCB_LOCK(stcb); 4763 } 4764 SCTP_INP_RUNLOCK(inp); 4765 } else { 4766 /* 4767 * We increment here since 4768 * sctp_findassociation_ep_addr() wil do a 4769 * decrement if it finds the stcb as long as 4770 * the locked tcb (last argument) is NOT a 4771 * TCB.. aka NULL. 4772 */ 4773 SCTP_INP_INCR_REF(inp); 4774 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4775 if (stcb == NULL) { 4776 SCTP_INP_DECR_REF(inp); 4777 } 4778 } 4779 4780 if (stcb == NULL) { 4781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4782 error = ENOENT; 4783 break; 4784 } 4785 if (stcb->asoc.delayed_connection == 1) { 4786 stcb->asoc.delayed_connection = 0; 4787 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4788 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4789 stcb->asoc.primary_destination, 4790 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4791 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4792 } else { 4793 /* 4794 * already expired or did not use delayed 4795 * connectx 4796 */ 4797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4798 error = EALREADY; 4799 } 4800 SCTP_TCB_UNLOCK(stcb); 4801 break; 4802 } 4803 case SCTP_MAX_BURST: 4804 { 4805 struct sctp_assoc_value *av; 4806 4807 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4808 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4809 4810 if (stcb) { 4811 stcb->asoc.max_burst = av->assoc_value; 4812 SCTP_TCB_UNLOCK(stcb); 4813 } else { 4814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4815 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4816 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4817 (av->assoc_id == SCTP_ALL_ASSOC)) { 4818 SCTP_INP_WLOCK(inp); 4819 inp->sctp_ep.max_burst = av->assoc_value; 4820 SCTP_INP_WUNLOCK(inp); 4821 } 4822 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4823 (av->assoc_id == SCTP_ALL_ASSOC)) { 4824 SCTP_INP_RLOCK(inp); 4825 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4826 SCTP_TCB_LOCK(stcb); 4827 stcb->asoc.max_burst = av->assoc_value; 4828 SCTP_TCB_UNLOCK(stcb); 4829 } 4830 SCTP_INP_RUNLOCK(inp); 4831 } 4832 } 4833 break; 4834 } 4835 case SCTP_MAXSEG: 4836 { 4837 struct sctp_assoc_value *av; 4838 int ovh; 4839 4840 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4841 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4842 4843 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4844 ovh = SCTP_MED_OVERHEAD; 4845 } else { 4846 ovh = SCTP_MED_V4_OVERHEAD; 4847 } 4848 if (stcb) { 4849 if (av->assoc_value) { 4850 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4851 } else { 4852 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4853 } 4854 SCTP_TCB_UNLOCK(stcb); 4855 } else { 4856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4857 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4858 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4859 SCTP_INP_WLOCK(inp); 4860 /* 4861 * FIXME MT: I think this is not in 4862 * tune with the API ID 4863 */ 4864 if (av->assoc_value) { 4865 inp->sctp_frag_point = (av->assoc_value + ovh); 4866 } else { 4867 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4868 } 4869 SCTP_INP_WUNLOCK(inp); 4870 } else { 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4872 error = EINVAL; 4873 } 4874 } 4875 break; 4876 } 4877 case SCTP_EVENTS: 4878 { 4879 struct sctp_event_subscribe *events; 4880 4881 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4882 4883 SCTP_INP_WLOCK(inp); 4884 if (events->sctp_data_io_event) { 4885 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4886 } else { 4887 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4888 } 4889 4890 if (events->sctp_association_event) { 4891 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4892 } else { 4893 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4894 } 4895 4896 if (events->sctp_address_event) { 4897 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4898 } else { 4899 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4900 } 4901 4902 if (events->sctp_send_failure_event) { 4903 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4904 } else { 4905 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4906 } 4907 4908 if (events->sctp_peer_error_event) { 4909 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4910 } else { 4911 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4912 } 4913 4914 if (events->sctp_shutdown_event) { 4915 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4916 } else { 4917 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4918 } 4919 4920 if (events->sctp_partial_delivery_event) { 4921 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4922 } else { 4923 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4924 } 4925 4926 if (events->sctp_adaptation_layer_event) { 4927 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4928 } else { 4929 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4930 } 4931 4932 if (events->sctp_authentication_event) { 4933 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4934 } else { 4935 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4936 } 4937 4938 if (events->sctp_sender_dry_event) { 4939 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4940 } else { 4941 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4942 } 4943 4944 if (events->sctp_stream_reset_event) { 4945 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4946 } else { 4947 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4948 } 4949 SCTP_INP_WUNLOCK(inp); 4950 4951 SCTP_INP_RLOCK(inp); 4952 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4953 SCTP_TCB_LOCK(stcb); 4954 if (events->sctp_association_event) { 4955 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4956 } else { 4957 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4958 } 4959 if (events->sctp_address_event) { 4960 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4961 } else { 4962 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4963 } 4964 if (events->sctp_send_failure_event) { 4965 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4966 } else { 4967 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4968 } 4969 if (events->sctp_peer_error_event) { 4970 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4971 } else { 4972 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4973 } 4974 if (events->sctp_shutdown_event) { 4975 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4976 } else { 4977 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4978 } 4979 if (events->sctp_partial_delivery_event) { 4980 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4981 } else { 4982 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4983 } 4984 if (events->sctp_adaptation_layer_event) { 4985 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4986 } else { 4987 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4988 } 4989 if (events->sctp_authentication_event) { 4990 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4991 } else { 4992 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4993 } 4994 if (events->sctp_sender_dry_event) { 4995 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4996 } else { 4997 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4998 } 4999 if (events->sctp_stream_reset_event) { 5000 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5001 } else { 5002 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5003 } 5004 SCTP_TCB_UNLOCK(stcb); 5005 } 5006 /* 5007 * Send up the sender dry event only for 1-to-1 5008 * style sockets. 5009 */ 5010 if (events->sctp_sender_dry_event) { 5011 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5012 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5013 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5014 if (stcb) { 5015 SCTP_TCB_LOCK(stcb); 5016 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5017 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5018 (stcb->asoc.stream_queue_cnt == 0)) { 5019 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5020 } 5021 SCTP_TCB_UNLOCK(stcb); 5022 } 5023 } 5024 } 5025 SCTP_INP_RUNLOCK(inp); 5026 break; 5027 } 5028 case SCTP_ADAPTATION_LAYER: 5029 { 5030 struct sctp_setadaptation *adap_bits; 5031 5032 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5033 SCTP_INP_WLOCK(inp); 5034 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5035 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5036 SCTP_INP_WUNLOCK(inp); 5037 break; 5038 } 5039#ifdef SCTP_DEBUG 5040 case SCTP_SET_INITIAL_DBG_SEQ: 5041 { 5042 uint32_t *vvv; 5043 5044 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5045 SCTP_INP_WLOCK(inp); 5046 inp->sctp_ep.initial_sequence_debug = *vvv; 5047 SCTP_INP_WUNLOCK(inp); 5048 break; 5049 } 5050#endif 5051 case SCTP_DEFAULT_SEND_PARAM: 5052 { 5053 struct sctp_sndrcvinfo *s_info; 5054 5055 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5056 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5057 5058 if (stcb) { 5059 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5060 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5061 } else { 5062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5063 error = EINVAL; 5064 } 5065 SCTP_TCB_UNLOCK(stcb); 5066 } else { 5067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5068 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5069 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5070 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5071 SCTP_INP_WLOCK(inp); 5072 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5073 SCTP_INP_WUNLOCK(inp); 5074 } 5075 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5076 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5077 SCTP_INP_RLOCK(inp); 5078 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5079 SCTP_TCB_LOCK(stcb); 5080 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5081 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5082 } 5083 SCTP_TCB_UNLOCK(stcb); 5084 } 5085 SCTP_INP_RUNLOCK(inp); 5086 } 5087 } 5088 break; 5089 } 5090 case SCTP_PEER_ADDR_PARAMS: 5091 { 5092 struct sctp_paddrparams *paddrp; 5093 struct sctp_nets *net; 5094 struct sockaddr *addr; 5095 5096#if defined(INET) && defined(INET6) 5097 struct sockaddr_in sin_store; 5098 5099#endif 5100 5101 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5102 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5103 5104#if defined(INET) && defined(INET6) 5105 if (paddrp->spp_address.ss_family == AF_INET6) { 5106 struct sockaddr_in6 *sin6; 5107 5108 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5109 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5110 in6_sin6_2_sin(&sin_store, sin6); 5111 addr = (struct sockaddr *)&sin_store; 5112 } else { 5113 addr = (struct sockaddr *)&paddrp->spp_address; 5114 } 5115 } else { 5116 addr = (struct sockaddr *)&paddrp->spp_address; 5117 } 5118#else 5119 addr = (struct sockaddr *)&paddrp->spp_address; 5120#endif 5121 if (stcb != NULL) { 5122 net = sctp_findnet(stcb, addr); 5123 } else { 5124 /* 5125 * We increment here since 5126 * sctp_findassociation_ep_addr() wil do a 5127 * decrement if it finds the stcb as long as 5128 * the locked tcb (last argument) is NOT a 5129 * TCB.. aka NULL. 5130 */ 5131 net = NULL; 5132 SCTP_INP_INCR_REF(inp); 5133 stcb = sctp_findassociation_ep_addr(&inp, addr, 5134 &net, NULL, NULL); 5135 if (stcb == NULL) { 5136 SCTP_INP_DECR_REF(inp); 5137 } 5138 } 5139 if ((stcb != NULL) && (net == NULL)) { 5140#ifdef INET 5141 if (addr->sa_family == AF_INET) { 5142 5143 struct sockaddr_in *sin; 5144 5145 sin = (struct sockaddr_in *)addr; 5146 if (sin->sin_addr.s_addr != INADDR_ANY) { 5147 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5148 SCTP_TCB_UNLOCK(stcb); 5149 error = EINVAL; 5150 break; 5151 } 5152 } else 5153#endif 5154#ifdef INET6 5155 if (addr->sa_family == AF_INET6) { 5156 struct sockaddr_in6 *sin6; 5157 5158 sin6 = (struct sockaddr_in6 *)addr; 5159 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5161 SCTP_TCB_UNLOCK(stcb); 5162 error = EINVAL; 5163 break; 5164 } 5165 } else 5166#endif 5167 { 5168 error = EAFNOSUPPORT; 5169 SCTP_TCB_UNLOCK(stcb); 5170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5171 break; 5172 } 5173 } 5174 /* sanity checks */ 5175 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5176 if (stcb) 5177 SCTP_TCB_UNLOCK(stcb); 5178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5179 return (EINVAL); 5180 } 5181 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5182 if (stcb) 5183 SCTP_TCB_UNLOCK(stcb); 5184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5185 return (EINVAL); 5186 } 5187 if (stcb != NULL) { 5188 /************************TCB SPECIFIC SET ******************/ 5189 /* 5190 * do we change the timer for HB, we run 5191 * only one? 5192 */ 5193 int ovh = 0; 5194 5195 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5196 ovh = SCTP_MED_OVERHEAD; 5197 } else { 5198 ovh = SCTP_MED_V4_OVERHEAD; 5199 } 5200 5201 /* network sets ? */ 5202 if (net != NULL) { 5203 /************************NET SPECIFIC SET ******************/ 5204 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5205 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5206 !(net->dest_state & SCTP_ADDR_NOHB)) { 5207 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5208 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5209 } 5210 net->dest_state |= SCTP_ADDR_NOHB; 5211 } 5212 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5213 if (paddrp->spp_hbinterval) { 5214 net->heart_beat_delay = paddrp->spp_hbinterval; 5215 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5216 net->heart_beat_delay = 0; 5217 } 5218 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5219 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5220 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5221 net->dest_state &= ~SCTP_ADDR_NOHB; 5222 } 5223 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5224 /* on demand HB */ 5225 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5226 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5227 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5228 } 5229 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5230 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5231 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5232 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5233 } 5234 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5235 net->mtu = paddrp->spp_pathmtu + ovh; 5236 if (net->mtu < stcb->asoc.smallest_mtu) { 5237 sctp_pathmtu_adjustment(stcb, net->mtu); 5238 } 5239 } 5240 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5241 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5242 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5243 } 5244 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5245 } 5246 if (paddrp->spp_pathmaxrxt) { 5247 if (net->dest_state & SCTP_ADDR_PF) { 5248 if (net->error_count > paddrp->spp_pathmaxrxt) { 5249 net->dest_state &= ~SCTP_ADDR_PF; 5250 } 5251 } else { 5252 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5253 (net->error_count > net->pf_threshold)) { 5254 net->dest_state |= SCTP_ADDR_PF; 5255 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5256 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5257 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5258 } 5259 } 5260 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5261 if (net->error_count > paddrp->spp_pathmaxrxt) { 5262 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5263 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5264 } 5265 } else { 5266 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5267 net->dest_state |= SCTP_ADDR_REACHABLE; 5268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5269 } 5270 } 5271 net->failure_threshold = paddrp->spp_pathmaxrxt; 5272 } 5273 if (paddrp->spp_flags & SPP_DSCP) { 5274 net->dscp = paddrp->spp_dscp & 0xfc; 5275 net->dscp |= 0x01; 5276 } 5277#ifdef INET6 5278 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5279 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5280 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5281 net->flowlabel |= 0x80000000; 5282 } 5283 } 5284#endif 5285 } else { 5286 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5287 if (paddrp->spp_pathmaxrxt != 0) { 5288 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5289 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5290 if (net->dest_state & SCTP_ADDR_PF) { 5291 if (net->error_count > paddrp->spp_pathmaxrxt) { 5292 net->dest_state &= ~SCTP_ADDR_PF; 5293 } 5294 } else { 5295 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5296 (net->error_count > net->pf_threshold)) { 5297 net->dest_state |= SCTP_ADDR_PF; 5298 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5299 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5300 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5301 } 5302 } 5303 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5304 if (net->error_count > paddrp->spp_pathmaxrxt) { 5305 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5306 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5307 } 5308 } else { 5309 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5310 net->dest_state |= SCTP_ADDR_REACHABLE; 5311 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5312 } 5313 } 5314 net->failure_threshold = paddrp->spp_pathmaxrxt; 5315 } 5316 } 5317 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5318 if (paddrp->spp_hbinterval != 0) { 5319 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5320 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5321 stcb->asoc.heart_beat_delay = 0; 5322 } 5323 /* Turn back on the timer */ 5324 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5325 if (paddrp->spp_hbinterval != 0) { 5326 net->heart_beat_delay = paddrp->spp_hbinterval; 5327 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5328 net->heart_beat_delay = 0; 5329 } 5330 if (net->dest_state & SCTP_ADDR_NOHB) { 5331 net->dest_state &= ~SCTP_ADDR_NOHB; 5332 } 5333 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5334 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5335 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5336 } 5337 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5338 } 5339 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5340 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5341 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5342 net->dest_state |= SCTP_ADDR_NOHB; 5343 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5344 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5345 } 5346 } 5347 } 5348 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5349 } 5350 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5351 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5352 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5353 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5354 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5355 } 5356 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5357 net->mtu = paddrp->spp_pathmtu + ovh; 5358 if (net->mtu < stcb->asoc.smallest_mtu) { 5359 sctp_pathmtu_adjustment(stcb, net->mtu); 5360 } 5361 } 5362 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5363 } 5364 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5365 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5366 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5367 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5368 } 5369 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5370 } 5371 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5372 } 5373 if (paddrp->spp_flags & SPP_DSCP) { 5374 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5375 net->dscp = paddrp->spp_dscp & 0xfc; 5376 net->dscp |= 0x01; 5377 } 5378 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5379 stcb->asoc.default_dscp |= 0x01; 5380 } 5381#ifdef INET6 5382 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5383 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5384 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5385 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5386 net->flowlabel |= 0x80000000; 5387 } 5388 } 5389 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5390 stcb->asoc.default_flowlabel |= 0x80000000; 5391 } 5392#endif 5393 } 5394 SCTP_TCB_UNLOCK(stcb); 5395 } else { 5396 /************************NO TCB, SET TO default stuff ******************/ 5397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5398 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5399 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5400 SCTP_INP_WLOCK(inp); 5401 /* 5402 * For the TOS/FLOWLABEL stuff you 5403 * set it with the options on the 5404 * socket 5405 */ 5406 if (paddrp->spp_pathmaxrxt != 0) { 5407 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5408 } 5409 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5410 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5411 else if (paddrp->spp_hbinterval != 0) { 5412 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5413 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5414 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5415 } 5416 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5417 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5418 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5419 } else if (paddrp->spp_hbinterval) { 5420 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5421 } 5422 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5423 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5424 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5425 } 5426 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5427 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5428 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5429 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5430 } 5431 if (paddrp->spp_flags & SPP_DSCP) { 5432 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5433 inp->sctp_ep.default_dscp |= 0x01; 5434 } 5435#ifdef INET6 5436 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5437 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5438 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5439 inp->sctp_ep.default_flowlabel |= 0x80000000; 5440 } 5441 } 5442#endif 5443 SCTP_INP_WUNLOCK(inp); 5444 } else { 5445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5446 error = EINVAL; 5447 } 5448 } 5449 break; 5450 } 5451 case SCTP_RTOINFO: 5452 { 5453 struct sctp_rtoinfo *srto; 5454 uint32_t new_init, new_min, new_max; 5455 5456 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5457 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5458 5459 if (stcb) { 5460 if (srto->srto_initial) 5461 new_init = srto->srto_initial; 5462 else 5463 new_init = stcb->asoc.initial_rto; 5464 if (srto->srto_max) 5465 new_max = srto->srto_max; 5466 else 5467 new_max = stcb->asoc.maxrto; 5468 if (srto->srto_min) 5469 new_min = srto->srto_min; 5470 else 5471 new_min = stcb->asoc.minrto; 5472 if ((new_min <= new_init) && (new_init <= new_max)) { 5473 stcb->asoc.initial_rto = new_init; 5474 stcb->asoc.maxrto = new_max; 5475 stcb->asoc.minrto = new_min; 5476 } else { 5477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5478 error = EINVAL; 5479 } 5480 SCTP_TCB_UNLOCK(stcb); 5481 } else { 5482 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5483 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5484 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5485 SCTP_INP_WLOCK(inp); 5486 if (srto->srto_initial) 5487 new_init = srto->srto_initial; 5488 else 5489 new_init = inp->sctp_ep.initial_rto; 5490 if (srto->srto_max) 5491 new_max = srto->srto_max; 5492 else 5493 new_max = inp->sctp_ep.sctp_maxrto; 5494 if (srto->srto_min) 5495 new_min = srto->srto_min; 5496 else 5497 new_min = inp->sctp_ep.sctp_minrto; 5498 if ((new_min <= new_init) && (new_init <= new_max)) { 5499 inp->sctp_ep.initial_rto = new_init; 5500 inp->sctp_ep.sctp_maxrto = new_max; 5501 inp->sctp_ep.sctp_minrto = new_min; 5502 } else { 5503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5504 error = EINVAL; 5505 } 5506 SCTP_INP_WUNLOCK(inp); 5507 } else { 5508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5509 error = EINVAL; 5510 } 5511 } 5512 break; 5513 } 5514 case SCTP_ASSOCINFO: 5515 { 5516 struct sctp_assocparams *sasoc; 5517 5518 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5519 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5520 if (sasoc->sasoc_cookie_life) { 5521 /* boundary check the cookie life */ 5522 if (sasoc->sasoc_cookie_life < 1000) 5523 sasoc->sasoc_cookie_life = 1000; 5524 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5525 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5526 } 5527 } 5528 if (stcb) { 5529 if (sasoc->sasoc_asocmaxrxt) 5530 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5531 if (sasoc->sasoc_cookie_life) { 5532 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5533 } 5534 SCTP_TCB_UNLOCK(stcb); 5535 } else { 5536 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5537 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5538 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5539 SCTP_INP_WLOCK(inp); 5540 if (sasoc->sasoc_asocmaxrxt) 5541 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5542 if (sasoc->sasoc_cookie_life) { 5543 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5544 } 5545 SCTP_INP_WUNLOCK(inp); 5546 } else { 5547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5548 error = EINVAL; 5549 } 5550 } 5551 break; 5552 } 5553 case SCTP_INITMSG: 5554 { 5555 struct sctp_initmsg *sinit; 5556 5557 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5558 SCTP_INP_WLOCK(inp); 5559 if (sinit->sinit_num_ostreams) 5560 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5561 5562 if (sinit->sinit_max_instreams) 5563 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5564 5565 if (sinit->sinit_max_attempts) 5566 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5567 5568 if (sinit->sinit_max_init_timeo) 5569 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5570 SCTP_INP_WUNLOCK(inp); 5571 break; 5572 } 5573 case SCTP_PRIMARY_ADDR: 5574 { 5575 struct sctp_setprim *spa; 5576 struct sctp_nets *net; 5577 struct sockaddr *addr; 5578 5579#if defined(INET) && defined(INET6) 5580 struct sockaddr_in sin_store; 5581 5582#endif 5583 5584 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5585 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5586 5587#if defined(INET) && defined(INET6) 5588 if (spa->ssp_addr.ss_family == AF_INET6) { 5589 struct sockaddr_in6 *sin6; 5590 5591 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5592 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5593 in6_sin6_2_sin(&sin_store, sin6); 5594 addr = (struct sockaddr *)&sin_store; 5595 } else { 5596 addr = (struct sockaddr *)&spa->ssp_addr; 5597 } 5598 } else { 5599 addr = (struct sockaddr *)&spa->ssp_addr; 5600 } 5601#else 5602 addr = (struct sockaddr *)&spa->ssp_addr; 5603#endif 5604 if (stcb != NULL) { 5605 net = sctp_findnet(stcb, addr); 5606 } else { 5607 /* 5608 * We increment here since 5609 * sctp_findassociation_ep_addr() wil do a 5610 * decrement if it finds the stcb as long as 5611 * the locked tcb (last argument) is NOT a 5612 * TCB.. aka NULL. 5613 */ 5614 net = NULL; 5615 SCTP_INP_INCR_REF(inp); 5616 stcb = sctp_findassociation_ep_addr(&inp, addr, 5617 &net, NULL, NULL); 5618 if (stcb == NULL) { 5619 SCTP_INP_DECR_REF(inp); 5620 } 5621 } 5622 5623 if ((stcb != NULL) && (net != NULL)) { 5624 if ((net != stcb->asoc.primary_destination) && 5625 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5626 /* Ok we need to set it */ 5627 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5628 if ((stcb->asoc.alternate) && 5629 (!(net->dest_state & SCTP_ADDR_PF)) && 5630 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5631 sctp_free_remote_addr(stcb->asoc.alternate); 5632 stcb->asoc.alternate = NULL; 5633 } 5634 } 5635 } 5636 } else { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 error = EINVAL; 5639 } 5640 if (stcb != NULL) { 5641 SCTP_TCB_UNLOCK(stcb); 5642 } 5643 break; 5644 } 5645 case SCTP_SET_DYNAMIC_PRIMARY: 5646 { 5647 union sctp_sockstore *ss; 5648 5649 error = priv_check(curthread, 5650 PRIV_NETINET_RESERVEDPORT); 5651 if (error) 5652 break; 5653 5654 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5655 /* SUPER USER CHECK? */ 5656 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5657 break; 5658 } 5659 case SCTP_SET_PEER_PRIMARY_ADDR: 5660 { 5661 struct sctp_setpeerprim *sspp; 5662 struct sockaddr *addr; 5663 5664#if defined(INET) && defined(INET6) 5665 struct sockaddr_in sin_store; 5666 5667#endif 5668 5669 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5670 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5671 if (stcb != NULL) { 5672 struct sctp_ifa *ifa; 5673 5674#if defined(INET) && defined(INET6) 5675 if (sspp->sspp_addr.ss_family == AF_INET6) { 5676 struct sockaddr_in6 *sin6; 5677 5678 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5679 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5680 in6_sin6_2_sin(&sin_store, sin6); 5681 addr = (struct sockaddr *)&sin_store; 5682 } else { 5683 addr = (struct sockaddr *)&sspp->sspp_addr; 5684 } 5685 } else { 5686 addr = (struct sockaddr *)&sspp->sspp_addr; 5687 } 5688#else 5689 addr = (struct sockaddr *)&sspp->sspp_addr; 5690#endif 5691 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5692 if (ifa == NULL) { 5693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5694 error = EINVAL; 5695 goto out_of_it; 5696 } 5697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5698 /* 5699 * Must validate the ifa found is in 5700 * our ep 5701 */ 5702 struct sctp_laddr *laddr; 5703 int found = 0; 5704 5705 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5706 if (laddr->ifa == NULL) { 5707 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5708 __FUNCTION__); 5709 continue; 5710 } 5711 if (laddr->ifa == ifa) { 5712 found = 1; 5713 break; 5714 } 5715 } 5716 if (!found) { 5717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5718 error = EINVAL; 5719 goto out_of_it; 5720 } 5721 } else { 5722 switch (addr->sa_family) { 5723#ifdef INET 5724 case AF_INET: 5725 { 5726 struct sockaddr_in *sin; 5727 5728 sin = (struct sockaddr_in *)addr; 5729 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5730 &sin->sin_addr) != 0) { 5731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5732 error = EINVAL; 5733 goto out_of_it; 5734 } 5735 break; 5736 } 5737#endif 5738#ifdef INET6 5739 case AF_INET6: 5740 { 5741 struct sockaddr_in6 *sin6; 5742 5743 sin6 = (struct sockaddr_in6 *)addr; 5744 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5745 &sin6->sin6_addr) != 0) { 5746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5747 error = EINVAL; 5748 goto out_of_it; 5749 } 5750 break; 5751 } 5752#endif 5753 default: 5754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5755 error = EINVAL; 5756 goto out_of_it; 5757 } 5758 } 5759 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5761 error = EINVAL; 5762 } 5763 out_of_it: 5764 SCTP_TCB_UNLOCK(stcb); 5765 } else { 5766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5767 error = EINVAL; 5768 } 5769 break; 5770 } 5771 case SCTP_BINDX_ADD_ADDR: 5772 { 5773 struct sctp_getaddresses *addrs; 5774 struct thread *td; 5775 5776 td = (struct thread *)p; 5777 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5778 optsize); 5779#ifdef INET 5780 if (addrs->addr->sa_family == AF_INET) { 5781 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5783 error = EINVAL; 5784 break; 5785 } 5786 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5787 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5788 break; 5789 } 5790 } else 5791#endif 5792#ifdef INET6 5793 if (addrs->addr->sa_family == AF_INET6) { 5794 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5796 error = EINVAL; 5797 break; 5798 } 5799 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5800 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5801 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5802 break; 5803 } 5804 } else 5805#endif 5806 { 5807 error = EAFNOSUPPORT; 5808 break; 5809 } 5810 sctp_bindx_add_address(so, inp, addrs->addr, 5811 addrs->sget_assoc_id, vrf_id, 5812 &error, p); 5813 break; 5814 } 5815 case SCTP_BINDX_REM_ADDR: 5816 { 5817 struct sctp_getaddresses *addrs; 5818 struct thread *td; 5819 5820 td = (struct thread *)p; 5821 5822 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5823#ifdef INET 5824 if (addrs->addr->sa_family == AF_INET) { 5825 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5827 error = EINVAL; 5828 break; 5829 } 5830 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5831 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5832 break; 5833 } 5834 } else 5835#endif 5836#ifdef INET6 5837 if (addrs->addr->sa_family == AF_INET6) { 5838 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5840 error = EINVAL; 5841 break; 5842 } 5843 if (td != NULL && 5844 (error = prison_local_ip6(td->td_ucred, 5845 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5846 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5847 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5848 break; 5849 } 5850 } else 5851#endif 5852 { 5853 error = EAFNOSUPPORT; 5854 break; 5855 } 5856 sctp_bindx_delete_address(inp, addrs->addr, 5857 addrs->sget_assoc_id, vrf_id, 5858 &error); 5859 break; 5860 } 5861 case SCTP_EVENT: 5862 { 5863 struct sctp_event *event; 5864 uint32_t event_type; 5865 5866 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5867 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5868 switch (event->se_type) { 5869 case SCTP_ASSOC_CHANGE: 5870 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5871 break; 5872 case SCTP_PEER_ADDR_CHANGE: 5873 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5874 break; 5875 case SCTP_REMOTE_ERROR: 5876 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5877 break; 5878 case SCTP_SEND_FAILED: 5879 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5880 break; 5881 case SCTP_SHUTDOWN_EVENT: 5882 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5883 break; 5884 case SCTP_ADAPTATION_INDICATION: 5885 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5886 break; 5887 case SCTP_PARTIAL_DELIVERY_EVENT: 5888 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5889 break; 5890 case SCTP_AUTHENTICATION_EVENT: 5891 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5892 break; 5893 case SCTP_STREAM_RESET_EVENT: 5894 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5895 break; 5896 case SCTP_SENDER_DRY_EVENT: 5897 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5898 break; 5899 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5900 event_type = 0; 5901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5902 error = ENOTSUP; 5903 break; 5904 case SCTP_ASSOC_RESET_EVENT: 5905 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5906 break; 5907 case SCTP_STREAM_CHANGE_EVENT: 5908 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5909 break; 5910 case SCTP_SEND_FAILED_EVENT: 5911 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5912 break; 5913 default: 5914 event_type = 0; 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 break; 5918 } 5919 if (event_type > 0) { 5920 if (stcb) { 5921 if (event->se_on) { 5922 sctp_stcb_feature_on(inp, stcb, event_type); 5923 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5924 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5925 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5926 (stcb->asoc.stream_queue_cnt == 0)) { 5927 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5928 } 5929 } 5930 } else { 5931 sctp_stcb_feature_off(inp, stcb, event_type); 5932 } 5933 SCTP_TCB_UNLOCK(stcb); 5934 } else { 5935 /* 5936 * We don't want to send up a storm 5937 * of events, so return an error for 5938 * sender dry events 5939 */ 5940 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5941 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5942 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5943 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5944 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5946 error = ENOTSUP; 5947 break; 5948 } 5949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5951 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5952 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5953 SCTP_INP_WLOCK(inp); 5954 if (event->se_on) { 5955 sctp_feature_on(inp, event_type); 5956 } else { 5957 sctp_feature_off(inp, event_type); 5958 } 5959 SCTP_INP_WUNLOCK(inp); 5960 } 5961 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5962 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5963 SCTP_INP_RLOCK(inp); 5964 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5965 SCTP_TCB_LOCK(stcb); 5966 if (event->se_on) { 5967 sctp_stcb_feature_on(inp, stcb, event_type); 5968 } else { 5969 sctp_stcb_feature_off(inp, stcb, event_type); 5970 } 5971 SCTP_TCB_UNLOCK(stcb); 5972 } 5973 SCTP_INP_RUNLOCK(inp); 5974 } 5975 } 5976 } 5977 break; 5978 } 5979 case SCTP_RECVRCVINFO: 5980 { 5981 int *onoff; 5982 5983 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5984 SCTP_INP_WLOCK(inp); 5985 if (*onoff != 0) { 5986 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5987 } else { 5988 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5989 } 5990 SCTP_INP_WUNLOCK(inp); 5991 break; 5992 } 5993 case SCTP_RECVNXTINFO: 5994 { 5995 int *onoff; 5996 5997 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5998 SCTP_INP_WLOCK(inp); 5999 if (*onoff != 0) { 6000 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6001 } else { 6002 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6003 } 6004 SCTP_INP_WUNLOCK(inp); 6005 break; 6006 } 6007 case SCTP_DEFAULT_SNDINFO: 6008 { 6009 struct sctp_sndinfo *info; 6010 uint16_t policy; 6011 6012 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6013 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6014 6015 if (stcb) { 6016 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6017 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6018 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6019 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6020 stcb->asoc.def_send.sinfo_flags |= policy; 6021 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6022 stcb->asoc.def_send.sinfo_context = info->snd_context; 6023 } else { 6024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6025 error = EINVAL; 6026 } 6027 SCTP_TCB_UNLOCK(stcb); 6028 } else { 6029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6030 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6031 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6032 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6033 SCTP_INP_WLOCK(inp); 6034 inp->def_send.sinfo_stream = info->snd_sid; 6035 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6036 inp->def_send.sinfo_flags = info->snd_flags; 6037 inp->def_send.sinfo_flags |= policy; 6038 inp->def_send.sinfo_ppid = info->snd_ppid; 6039 inp->def_send.sinfo_context = info->snd_context; 6040 SCTP_INP_WUNLOCK(inp); 6041 } 6042 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6043 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6044 SCTP_INP_RLOCK(inp); 6045 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6046 SCTP_TCB_LOCK(stcb); 6047 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6048 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6049 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6050 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6051 stcb->asoc.def_send.sinfo_flags |= policy; 6052 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6053 stcb->asoc.def_send.sinfo_context = info->snd_context; 6054 } 6055 SCTP_TCB_UNLOCK(stcb); 6056 } 6057 SCTP_INP_RUNLOCK(inp); 6058 } 6059 } 6060 break; 6061 } 6062 case SCTP_DEFAULT_PRINFO: 6063 { 6064 struct sctp_default_prinfo *info; 6065 6066 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6067 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6068 6069 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6071 error = EINVAL; 6072 break; 6073 } 6074 if (stcb) { 6075 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6076 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6077 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6078 SCTP_TCB_UNLOCK(stcb); 6079 } else { 6080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6082 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6083 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6084 SCTP_INP_WLOCK(inp); 6085 inp->def_send.sinfo_flags &= 0xfff0; 6086 inp->def_send.sinfo_flags |= info->pr_policy; 6087 inp->def_send.sinfo_timetolive = info->pr_value; 6088 SCTP_INP_WUNLOCK(inp); 6089 } 6090 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6091 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6092 SCTP_INP_RLOCK(inp); 6093 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6094 SCTP_TCB_LOCK(stcb); 6095 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6096 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6097 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6098 SCTP_TCB_UNLOCK(stcb); 6099 } 6100 SCTP_INP_RUNLOCK(inp); 6101 } 6102 } 6103 break; 6104 } 6105 case SCTP_PEER_ADDR_THLDS: 6106 /* Applies to the specific association */ 6107 { 6108 struct sctp_paddrthlds *thlds; 6109 struct sctp_nets *net; 6110 struct sockaddr *addr; 6111 6112#if defined(INET) && defined(INET6) 6113 struct sockaddr_in sin_store; 6114 6115#endif 6116 6117 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6118 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6119 6120#if defined(INET) && defined(INET6) 6121 if (thlds->spt_address.ss_family == AF_INET6) { 6122 struct sockaddr_in6 *sin6; 6123 6124 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6125 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6126 in6_sin6_2_sin(&sin_store, sin6); 6127 addr = (struct sockaddr *)&sin_store; 6128 } else { 6129 addr = (struct sockaddr *)&thlds->spt_address; 6130 } 6131 } else { 6132 addr = (struct sockaddr *)&thlds->spt_address; 6133 } 6134#else 6135 addr = (struct sockaddr *)&thlds->spt_address; 6136#endif 6137 if (stcb != NULL) { 6138 net = sctp_findnet(stcb, addr); 6139 } else { 6140 /* 6141 * We increment here since 6142 * sctp_findassociation_ep_addr() wil do a 6143 * decrement if it finds the stcb as long as 6144 * the locked tcb (last argument) is NOT a 6145 * TCB.. aka NULL. 6146 */ 6147 net = NULL; 6148 SCTP_INP_INCR_REF(inp); 6149 stcb = sctp_findassociation_ep_addr(&inp, addr, 6150 &net, NULL, NULL); 6151 if (stcb == NULL) { 6152 SCTP_INP_DECR_REF(inp); 6153 } 6154 } 6155 if ((stcb != NULL) && (net == NULL)) { 6156#ifdef INET 6157 if (addr->sa_family == AF_INET) { 6158 6159 struct sockaddr_in *sin; 6160 6161 sin = (struct sockaddr_in *)addr; 6162 if (sin->sin_addr.s_addr != INADDR_ANY) { 6163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6164 SCTP_TCB_UNLOCK(stcb); 6165 error = EINVAL; 6166 break; 6167 } 6168 } else 6169#endif 6170#ifdef INET6 6171 if (addr->sa_family == AF_INET6) { 6172 struct sockaddr_in6 *sin6; 6173 6174 sin6 = (struct sockaddr_in6 *)addr; 6175 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6176 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6177 SCTP_TCB_UNLOCK(stcb); 6178 error = EINVAL; 6179 break; 6180 } 6181 } else 6182#endif 6183 { 6184 error = EAFNOSUPPORT; 6185 SCTP_TCB_UNLOCK(stcb); 6186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6187 break; 6188 } 6189 } 6190 if (stcb != NULL) { 6191 if (net != NULL) { 6192 net->failure_threshold = thlds->spt_pathmaxrxt; 6193 net->pf_threshold = thlds->spt_pathpfthld; 6194 if (net->dest_state & SCTP_ADDR_PF) { 6195 if ((net->error_count > net->failure_threshold) || 6196 (net->error_count <= net->pf_threshold)) { 6197 net->dest_state &= ~SCTP_ADDR_PF; 6198 } 6199 } else { 6200 if ((net->error_count > net->pf_threshold) && 6201 (net->error_count <= net->failure_threshold)) { 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->error_count > net->failure_threshold) { 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->error_count <= net->failure_threshold) { 6215 net->dest_state |= SCTP_ADDR_REACHABLE; 6216 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6217 } 6218 } 6219 } else { 6220 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6221 net->failure_threshold = thlds->spt_pathmaxrxt; 6222 net->pf_threshold = thlds->spt_pathpfthld; 6223 if (net->dest_state & SCTP_ADDR_PF) { 6224 if ((net->error_count > net->failure_threshold) || 6225 (net->error_count <= net->pf_threshold)) { 6226 net->dest_state &= ~SCTP_ADDR_PF; 6227 } 6228 } else { 6229 if ((net->error_count > net->pf_threshold) && 6230 (net->error_count <= net->failure_threshold)) { 6231 net->dest_state |= SCTP_ADDR_PF; 6232 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6233 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6234 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6235 } 6236 } 6237 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6238 if (net->error_count > net->failure_threshold) { 6239 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6240 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6241 } 6242 } else { 6243 if (net->error_count <= net->failure_threshold) { 6244 net->dest_state |= SCTP_ADDR_REACHABLE; 6245 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6246 } 6247 } 6248 } 6249 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6250 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6251 } 6252 SCTP_TCB_UNLOCK(stcb); 6253 } else { 6254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6255 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6256 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6257 SCTP_INP_WLOCK(inp); 6258 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6259 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6260 SCTP_INP_WUNLOCK(inp); 6261 } else { 6262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6263 error = EINVAL; 6264 } 6265 } 6266 break; 6267 } 6268 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6269 { 6270 struct sctp_udpencaps *encaps; 6271 struct sctp_nets *net; 6272 struct sockaddr *addr; 6273 6274#if defined(INET) && defined(INET6) 6275 struct sockaddr_in sin_store; 6276 6277#endif 6278 6279 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6280 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6281 6282#if defined(INET) && defined(INET6) 6283 if (encaps->sue_address.ss_family == AF_INET6) { 6284 struct sockaddr_in6 *sin6; 6285 6286 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6288 in6_sin6_2_sin(&sin_store, sin6); 6289 addr = (struct sockaddr *)&sin_store; 6290 } else { 6291 addr = (struct sockaddr *)&encaps->sue_address; 6292 } 6293 } else { 6294 addr = (struct sockaddr *)&encaps->sue_address; 6295 } 6296#else 6297 addr = (struct sockaddr *)&encaps->sue_address; 6298#endif 6299 if (stcb != NULL) { 6300 net = sctp_findnet(stcb, addr); 6301 } else { 6302 /* 6303 * We increment here since 6304 * sctp_findassociation_ep_addr() wil do a 6305 * decrement if it finds the stcb as long as 6306 * the locked tcb (last argument) is NOT a 6307 * TCB.. aka NULL. 6308 */ 6309 net = NULL; 6310 SCTP_INP_INCR_REF(inp); 6311 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6312 if (stcb == NULL) { 6313 SCTP_INP_DECR_REF(inp); 6314 } 6315 } 6316 if ((stcb != NULL) && (net == NULL)) { 6317#ifdef INET 6318 if (addr->sa_family == AF_INET) { 6319 6320 struct sockaddr_in *sin; 6321 6322 sin = (struct sockaddr_in *)addr; 6323 if (sin->sin_addr.s_addr != INADDR_ANY) { 6324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6325 SCTP_TCB_UNLOCK(stcb); 6326 error = EINVAL; 6327 break; 6328 } 6329 } else 6330#endif 6331#ifdef INET6 6332 if (addr->sa_family == AF_INET6) { 6333 struct sockaddr_in6 *sin6; 6334 6335 sin6 = (struct sockaddr_in6 *)addr; 6336 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6338 SCTP_TCB_UNLOCK(stcb); 6339 error = EINVAL; 6340 break; 6341 } 6342 } else 6343#endif 6344 { 6345 error = EAFNOSUPPORT; 6346 SCTP_TCB_UNLOCK(stcb); 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6348 break; 6349 } 6350 } 6351 if (stcb != NULL) { 6352 if (net != NULL) { 6353 net->port = encaps->sue_port; 6354 } else { 6355 stcb->asoc.port = encaps->sue_port; 6356 } 6357 SCTP_TCB_UNLOCK(stcb); 6358 } else { 6359 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6360 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6361 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6362 SCTP_INP_WLOCK(inp); 6363 inp->sctp_ep.port = encaps->sue_port; 6364 SCTP_INP_WUNLOCK(inp); 6365 } else { 6366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6367 error = EINVAL; 6368 } 6369 } 6370 break; 6371 } 6372 case SCTP_ECN_SUPPORTED: 6373 { 6374 struct sctp_assoc_value *av; 6375 6376 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6377 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6378 6379 if (stcb) { 6380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6381 error = EINVAL; 6382 SCTP_TCB_UNLOCK(stcb); 6383 } else { 6384 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6385 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6386 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6387 SCTP_INP_WLOCK(inp); 6388 if (av->assoc_value == 0) { 6389 inp->ecn_supported = 0; 6390 } else { 6391 inp->ecn_supported = 1; 6392 } 6393 SCTP_INP_WUNLOCK(inp); 6394 } else { 6395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6396 error = EINVAL; 6397 } 6398 } 6399 break; 6400 } 6401 case SCTP_PR_SUPPORTED: 6402 { 6403 struct sctp_assoc_value *av; 6404 6405 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6406 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6407 6408 if (stcb) { 6409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6410 error = EINVAL; 6411 SCTP_TCB_UNLOCK(stcb); 6412 } else { 6413 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6414 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6415 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6416 SCTP_INP_WLOCK(inp); 6417 if (av->assoc_value == 0) { 6418 inp->prsctp_supported = 0; 6419 } else { 6420 inp->prsctp_supported = 1; 6421 } 6422 SCTP_INP_WUNLOCK(inp); 6423 } else { 6424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6425 error = EINVAL; 6426 } 6427 } 6428 break; 6429 } 6430 case SCTP_AUTH_SUPPORTED: 6431 { 6432 struct sctp_assoc_value *av; 6433 6434 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6435 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6436 6437 if (stcb) { 6438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6439 error = EINVAL; 6440 SCTP_TCB_UNLOCK(stcb); 6441 } else { 6442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6443 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6444 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6445 if ((av->assoc_value == 0) && 6446 (inp->asconf_supported == 1)) { 6447 /* 6448 * AUTH is required for 6449 * ASCONF 6450 */ 6451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6452 error = EINVAL; 6453 } else { 6454 SCTP_INP_WLOCK(inp); 6455 if (av->assoc_value == 0) { 6456 inp->auth_supported = 0; 6457 } else { 6458 inp->auth_supported = 1; 6459 } 6460 SCTP_INP_WUNLOCK(inp); 6461 } 6462 } else { 6463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6464 error = EINVAL; 6465 } 6466 } 6467 break; 6468 } 6469 case SCTP_ASCONF_SUPPORTED: 6470 { 6471 struct sctp_assoc_value *av; 6472 6473 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6474 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6475 6476 if (stcb) { 6477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6478 error = EINVAL; 6479 SCTP_TCB_UNLOCK(stcb); 6480 } else { 6481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6483 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6484 if ((av->assoc_value != 0) && 6485 (inp->auth_supported == 0)) { 6486 /* 6487 * AUTH is required for 6488 * ASCONF 6489 */ 6490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6491 error = EINVAL; 6492 } else { 6493 SCTP_INP_WLOCK(inp); 6494 if (av->assoc_value == 0) { 6495 inp->asconf_supported = 0; 6496 sctp_auth_delete_chunk(SCTP_ASCONF, 6497 inp->sctp_ep.local_auth_chunks); 6498 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6499 inp->sctp_ep.local_auth_chunks); 6500 } else { 6501 inp->asconf_supported = 1; 6502 sctp_auth_add_chunk(SCTP_ASCONF, 6503 inp->sctp_ep.local_auth_chunks); 6504 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6505 inp->sctp_ep.local_auth_chunks); 6506 } 6507 SCTP_INP_WUNLOCK(inp); 6508 } 6509 } else { 6510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6511 error = EINVAL; 6512 } 6513 } 6514 break; 6515 } 6516 case SCTP_RECONFIG_SUPPORTED: 6517 { 6518 struct sctp_assoc_value *av; 6519 6520 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6521 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6522 6523 if (stcb) { 6524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6525 error = EINVAL; 6526 SCTP_TCB_UNLOCK(stcb); 6527 } else { 6528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6529 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6530 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6531 SCTP_INP_WLOCK(inp); 6532 if (av->assoc_value == 0) { 6533 inp->reconfig_supported = 0; 6534 } else { 6535 inp->reconfig_supported = 1; 6536 } 6537 SCTP_INP_WUNLOCK(inp); 6538 } else { 6539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6540 error = EINVAL; 6541 } 6542 } 6543 break; 6544 } 6545 case SCTP_NRSACK_SUPPORTED: 6546 { 6547 struct sctp_assoc_value *av; 6548 6549 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6550 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6551 6552 if (stcb) { 6553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6554 error = EINVAL; 6555 SCTP_TCB_UNLOCK(stcb); 6556 } else { 6557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6559 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6560 SCTP_INP_WLOCK(inp); 6561 if (av->assoc_value == 0) { 6562 inp->nrsack_supported = 0; 6563 } else { 6564 inp->nrsack_supported = 1; 6565 } 6566 SCTP_INP_WUNLOCK(inp); 6567 } else { 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6569 error = EINVAL; 6570 } 6571 } 6572 break; 6573 } 6574 case SCTP_PKTDROP_SUPPORTED: 6575 { 6576 struct sctp_assoc_value *av; 6577 6578 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6580 6581 if (stcb) { 6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6583 error = EINVAL; 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6589 SCTP_INP_WLOCK(inp); 6590 if (av->assoc_value == 0) { 6591 inp->pktdrop_supported = 0; 6592 } else { 6593 inp->pktdrop_supported = 1; 6594 } 6595 SCTP_INP_WUNLOCK(inp); 6596 } else { 6597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6598 error = EINVAL; 6599 } 6600 } 6601 break; 6602 } 6603 case SCTP_MAX_CWND: 6604 { 6605 struct sctp_assoc_value *av; 6606 struct sctp_nets *net; 6607 6608 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6609 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6610 6611 if (stcb) { 6612 stcb->asoc.max_cwnd = av->assoc_value; 6613 if (stcb->asoc.max_cwnd > 0) { 6614 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6615 if ((net->cwnd > stcb->asoc.max_cwnd) && 6616 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6617 net->cwnd = stcb->asoc.max_cwnd; 6618 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6619 net->cwnd = net->mtu - sizeof(struct sctphdr); 6620 } 6621 } 6622 } 6623 } 6624 SCTP_TCB_UNLOCK(stcb); 6625 } else { 6626 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6627 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6628 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6629 SCTP_INP_WLOCK(inp); 6630 inp->max_cwnd = av->assoc_value; 6631 SCTP_INP_WUNLOCK(inp); 6632 } else { 6633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6634 error = EINVAL; 6635 } 6636 } 6637 break; 6638 } 6639 default: 6640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6641 error = ENOPROTOOPT; 6642 break; 6643 } /* end switch (opt) */ 6644 return (error); 6645} 6646 6647int 6648sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6649{ 6650 void *optval = NULL; 6651 size_t optsize = 0; 6652 void *p; 6653 int error = 0; 6654 6655 if (sopt->sopt_level != IPPROTO_SCTP) { 6656 /* wrong proto level... send back up to IP */ 6657#ifdef INET6 6658 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6659 error = ip6_ctloutput(so, sopt); 6660#endif /* INET6 */ 6661#if defined(INET) && defined(INET6) 6662 else 6663#endif 6664#ifdef INET 6665 error = ip_ctloutput(so, sopt); 6666#endif 6667 return (error); 6668 } 6669 optsize = sopt->sopt_valsize; 6670 if (optsize) { 6671 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6672 if (optval == NULL) { 6673 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6674 return (ENOBUFS); 6675 } 6676 error = sooptcopyin(sopt, optval, optsize, optsize); 6677 if (error) { 6678 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6679 goto out; 6680 } 6681 } 6682 p = (void *)sopt->sopt_td; 6683 if (sopt->sopt_dir == SOPT_SET) { 6684 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6685 } else if (sopt->sopt_dir == SOPT_GET) { 6686 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6687 } else { 6688 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6689 error = EINVAL; 6690 } 6691 if ((error == 0) && (optval != NULL)) { 6692 error = sooptcopyout(sopt, optval, optsize); 6693 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6694 } else if (optval != NULL) { 6695 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6696 } 6697out: 6698 return (error); 6699} 6700 6701#ifdef INET 6702static int 6703sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6704{ 6705 int error = 0; 6706 int create_lock_on = 0; 6707 uint32_t vrf_id; 6708 struct sctp_inpcb *inp; 6709 struct sctp_tcb *stcb = NULL; 6710 6711 inp = (struct sctp_inpcb *)so->so_pcb; 6712 if (inp == NULL) { 6713 /* I made the same as TCP since we are not setup? */ 6714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6715 return (ECONNRESET); 6716 } 6717 if (addr == NULL) { 6718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6719 return EINVAL; 6720 } 6721 switch (addr->sa_family) { 6722#ifdef INET6 6723 case AF_INET6: 6724 { 6725 struct sockaddr_in6 *sin6p; 6726 6727 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6729 return (EINVAL); 6730 } 6731 sin6p = (struct sockaddr_in6 *)addr; 6732 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6734 return (error); 6735 } 6736 break; 6737 } 6738#endif 6739#ifdef INET 6740 case AF_INET: 6741 { 6742 struct sockaddr_in *sinp; 6743 6744 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6746 return (EINVAL); 6747 } 6748 sinp = (struct sockaddr_in *)addr; 6749 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6751 return (error); 6752 } 6753 break; 6754 } 6755#endif 6756 default: 6757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6758 return (EAFNOSUPPORT); 6759 } 6760 SCTP_INP_INCR_REF(inp); 6761 SCTP_ASOC_CREATE_LOCK(inp); 6762 create_lock_on = 1; 6763 6764 6765 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6766 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6767 /* Should I really unlock ? */ 6768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6769 error = EFAULT; 6770 goto out_now; 6771 } 6772#ifdef INET6 6773 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6774 (addr->sa_family == AF_INET6)) { 6775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6776 error = EINVAL; 6777 goto out_now; 6778 } 6779#endif 6780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6781 SCTP_PCB_FLAGS_UNBOUND) { 6782 /* Bind a ephemeral port */ 6783 error = sctp_inpcb_bind(so, NULL, NULL, p); 6784 if (error) { 6785 goto out_now; 6786 } 6787 } 6788 /* Now do we connect? */ 6789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6790 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6792 error = EINVAL; 6793 goto out_now; 6794 } 6795 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6796 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6797 /* We are already connected AND the TCP model */ 6798 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6799 error = EADDRINUSE; 6800 goto out_now; 6801 } 6802 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6803 SCTP_INP_RLOCK(inp); 6804 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6805 SCTP_INP_RUNLOCK(inp); 6806 } else { 6807 /* 6808 * We increment here since sctp_findassociation_ep_addr() 6809 * will do a decrement if it finds the stcb as long as the 6810 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6811 */ 6812 SCTP_INP_INCR_REF(inp); 6813 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6814 if (stcb == NULL) { 6815 SCTP_INP_DECR_REF(inp); 6816 } else { 6817 SCTP_TCB_UNLOCK(stcb); 6818 } 6819 } 6820 if (stcb != NULL) { 6821 /* Already have or am bring up an association */ 6822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6823 error = EALREADY; 6824 goto out_now; 6825 } 6826 vrf_id = inp->def_vrf_id; 6827 /* We are GOOD to go */ 6828 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6829 if (stcb == NULL) { 6830 /* Gak! no memory */ 6831 goto out_now; 6832 } 6833 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6834 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6835 /* Set the connected flag so we can queue data */ 6836 soisconnecting(so); 6837 } 6838 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6839 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6840 6841 /* initialize authentication parameters for the assoc */ 6842 sctp_initialize_auth_params(inp, stcb); 6843 6844 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6845 SCTP_TCB_UNLOCK(stcb); 6846out_now: 6847 if (create_lock_on) { 6848 SCTP_ASOC_CREATE_UNLOCK(inp); 6849 } 6850 SCTP_INP_DECR_REF(inp); 6851 return (error); 6852} 6853 6854#endif 6855 6856int 6857sctp_listen(struct socket *so, int backlog, struct thread *p) 6858{ 6859 /* 6860 * Note this module depends on the protocol processing being called 6861 * AFTER any socket level flags and backlog are applied to the 6862 * socket. The traditional way that the socket flags are applied is 6863 * AFTER protocol processing. We have made a change to the 6864 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6865 * place if the socket API for SCTP is to work properly. 6866 */ 6867 6868 int error = 0; 6869 struct sctp_inpcb *inp; 6870 6871 inp = (struct sctp_inpcb *)so->so_pcb; 6872 if (inp == NULL) { 6873 /* I made the same as TCP since we are not setup? */ 6874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6875 return (ECONNRESET); 6876 } 6877 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6878 /* See if we have a listener */ 6879 struct sctp_inpcb *tinp; 6880 union sctp_sockstore store; 6881 6882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6883 /* not bound all */ 6884 struct sctp_laddr *laddr; 6885 6886 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6887 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6888 switch (store.sa.sa_family) { 6889#ifdef INET 6890 case AF_INET: 6891 store.sin.sin_port = inp->sctp_lport; 6892 break; 6893#endif 6894#ifdef INET6 6895 case AF_INET6: 6896 store.sin6.sin6_port = inp->sctp_lport; 6897 break; 6898#endif 6899 default: 6900 break; 6901 } 6902 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6903 if (tinp && (tinp != inp) && 6904 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6905 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6906 (tinp->sctp_socket->so_qlimit)) { 6907 /* 6908 * we have a listener already and 6909 * its not this inp. 6910 */ 6911 SCTP_INP_DECR_REF(tinp); 6912 return (EADDRINUSE); 6913 } else if (tinp) { 6914 SCTP_INP_DECR_REF(tinp); 6915 } 6916 } 6917 } else { 6918 /* Setup a local addr bound all */ 6919 memset(&store, 0, sizeof(store)); 6920#ifdef INET6 6921 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6922 store.sa.sa_family = AF_INET6; 6923 store.sa.sa_len = sizeof(struct sockaddr_in6); 6924 } 6925#endif 6926#ifdef INET 6927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6928 store.sa.sa_family = AF_INET; 6929 store.sa.sa_len = sizeof(struct sockaddr_in); 6930 } 6931#endif 6932 switch (store.sa.sa_family) { 6933#ifdef INET 6934 case AF_INET: 6935 store.sin.sin_port = inp->sctp_lport; 6936 break; 6937#endif 6938#ifdef INET6 6939 case AF_INET6: 6940 store.sin6.sin6_port = inp->sctp_lport; 6941 break; 6942#endif 6943 default: 6944 break; 6945 } 6946 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6947 if (tinp && (tinp != inp) && 6948 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6949 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6950 (tinp->sctp_socket->so_qlimit)) { 6951 /* 6952 * we have a listener already and its not 6953 * this inp. 6954 */ 6955 SCTP_INP_DECR_REF(tinp); 6956 return (EADDRINUSE); 6957 } else if (tinp) { 6958 SCTP_INP_DECR_REF(inp); 6959 } 6960 } 6961 } 6962 SCTP_INP_RLOCK(inp); 6963#ifdef SCTP_LOCK_LOGGING 6964 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6965 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6966 } 6967#endif 6968 SOCK_LOCK(so); 6969 error = solisten_proto_check(so); 6970 if (error) { 6971 SOCK_UNLOCK(so); 6972 SCTP_INP_RUNLOCK(inp); 6973 return (error); 6974 } 6975 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6976 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6977 /* 6978 * The unlucky case - We are in the tcp pool with this guy. 6979 * - Someone else is in the main inp slot. - We must move 6980 * this guy (the listener) to the main slot - We must then 6981 * move the guy that was listener to the TCP Pool. 6982 */ 6983 if (sctp_swap_inpcb_for_listen(inp)) { 6984 goto in_use; 6985 } 6986 } 6987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6988 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6989 /* We are already connected AND the TCP model */ 6990in_use: 6991 SCTP_INP_RUNLOCK(inp); 6992 SOCK_UNLOCK(so); 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6994 return (EADDRINUSE); 6995 } 6996 SCTP_INP_RUNLOCK(inp); 6997 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6998 /* We must do a bind. */ 6999 SOCK_UNLOCK(so); 7000 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7001 /* bind error, probably perm */ 7002 return (error); 7003 } 7004 SOCK_LOCK(so); 7005 } 7006 /* It appears for 7.0 and on, we must always call this. */ 7007 solisten_proto(so, backlog); 7008 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7009 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7010 so->so_options &= ~SO_ACCEPTCONN; 7011 } 7012 if (backlog == 0) { 7013 /* turning off listen */ 7014 so->so_options &= ~SO_ACCEPTCONN; 7015 } 7016 SOCK_UNLOCK(so); 7017 return (error); 7018} 7019 7020static int sctp_defered_wakeup_cnt = 0; 7021 7022int 7023sctp_accept(struct socket *so, struct sockaddr **addr) 7024{ 7025 struct sctp_tcb *stcb; 7026 struct sctp_inpcb *inp; 7027 union sctp_sockstore store; 7028 7029#ifdef INET6 7030 int error; 7031 7032#endif 7033 inp = (struct sctp_inpcb *)so->so_pcb; 7034 7035 if (inp == NULL) { 7036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7037 return (ECONNRESET); 7038 } 7039 SCTP_INP_RLOCK(inp); 7040 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7041 SCTP_INP_RUNLOCK(inp); 7042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7043 return (EOPNOTSUPP); 7044 } 7045 if (so->so_state & SS_ISDISCONNECTED) { 7046 SCTP_INP_RUNLOCK(inp); 7047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7048 return (ECONNABORTED); 7049 } 7050 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7051 if (stcb == NULL) { 7052 SCTP_INP_RUNLOCK(inp); 7053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7054 return (ECONNRESET); 7055 } 7056 SCTP_TCB_LOCK(stcb); 7057 SCTP_INP_RUNLOCK(inp); 7058 store = stcb->asoc.primary_destination->ro._l_addr; 7059 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7060 SCTP_TCB_UNLOCK(stcb); 7061 switch (store.sa.sa_family) { 7062#ifdef INET 7063 case AF_INET: 7064 { 7065 struct sockaddr_in *sin; 7066 7067 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7068 if (sin == NULL) 7069 return (ENOMEM); 7070 sin->sin_family = AF_INET; 7071 sin->sin_len = sizeof(*sin); 7072 sin->sin_port = store.sin.sin_port; 7073 sin->sin_addr = store.sin.sin_addr; 7074 *addr = (struct sockaddr *)sin; 7075 break; 7076 } 7077#endif 7078#ifdef INET6 7079 case AF_INET6: 7080 { 7081 struct sockaddr_in6 *sin6; 7082 7083 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7084 if (sin6 == NULL) 7085 return (ENOMEM); 7086 sin6->sin6_family = AF_INET6; 7087 sin6->sin6_len = sizeof(*sin6); 7088 sin6->sin6_port = store.sin6.sin6_port; 7089 sin6->sin6_addr = store.sin6.sin6_addr; 7090 if ((error = sa6_recoverscope(sin6)) != 0) { 7091 SCTP_FREE_SONAME(sin6); 7092 return (error); 7093 } 7094 *addr = (struct sockaddr *)sin6; 7095 break; 7096 } 7097#endif 7098 default: 7099 /* TSNH */ 7100 break; 7101 } 7102 /* Wake any delayed sleep action */ 7103 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7104 SCTP_INP_WLOCK(inp); 7105 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7106 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7107 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7108 SCTP_INP_WUNLOCK(inp); 7109 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7110 if (sowriteable(inp->sctp_socket)) { 7111 sowwakeup_locked(inp->sctp_socket); 7112 } else { 7113 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7114 } 7115 SCTP_INP_WLOCK(inp); 7116 } 7117 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7118 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7119 SCTP_INP_WUNLOCK(inp); 7120 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7121 if (soreadable(inp->sctp_socket)) { 7122 sctp_defered_wakeup_cnt++; 7123 sorwakeup_locked(inp->sctp_socket); 7124 } else { 7125 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7126 } 7127 SCTP_INP_WLOCK(inp); 7128 } 7129 SCTP_INP_WUNLOCK(inp); 7130 } 7131 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7132 SCTP_TCB_LOCK(stcb); 7133 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 7134 } 7135 return (0); 7136} 7137 7138#ifdef INET 7139int 7140sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7141{ 7142 struct sockaddr_in *sin; 7143 uint32_t vrf_id; 7144 struct sctp_inpcb *inp; 7145 struct sctp_ifa *sctp_ifa; 7146 7147 /* 7148 * Do the malloc first in case it blocks. 7149 */ 7150 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7151 if (sin == NULL) 7152 return (ENOMEM); 7153 sin->sin_family = AF_INET; 7154 sin->sin_len = sizeof(*sin); 7155 inp = (struct sctp_inpcb *)so->so_pcb; 7156 if (!inp) { 7157 SCTP_FREE_SONAME(sin); 7158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7159 return (ECONNRESET); 7160 } 7161 SCTP_INP_RLOCK(inp); 7162 sin->sin_port = inp->sctp_lport; 7163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7164 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7165 struct sctp_tcb *stcb; 7166 struct sockaddr_in *sin_a; 7167 struct sctp_nets *net; 7168 int fnd; 7169 7170 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7171 if (stcb == NULL) { 7172 goto notConn; 7173 } 7174 fnd = 0; 7175 sin_a = NULL; 7176 SCTP_TCB_LOCK(stcb); 7177 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7178 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7179 if (sin_a == NULL) 7180 /* this will make coverity happy */ 7181 continue; 7182 7183 if (sin_a->sin_family == AF_INET) { 7184 fnd = 1; 7185 break; 7186 } 7187 } 7188 if ((!fnd) || (sin_a == NULL)) { 7189 /* punt */ 7190 SCTP_TCB_UNLOCK(stcb); 7191 goto notConn; 7192 } 7193 vrf_id = inp->def_vrf_id; 7194 sctp_ifa = sctp_source_address_selection(inp, 7195 stcb, 7196 (sctp_route_t *) & net->ro, 7197 net, 0, vrf_id); 7198 if (sctp_ifa) { 7199 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7200 sctp_free_ifa(sctp_ifa); 7201 } 7202 SCTP_TCB_UNLOCK(stcb); 7203 } else { 7204 /* For the bound all case you get back 0 */ 7205 notConn: 7206 sin->sin_addr.s_addr = 0; 7207 } 7208 7209 } else { 7210 /* Take the first IPv4 address in the list */ 7211 struct sctp_laddr *laddr; 7212 int fnd = 0; 7213 7214 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7215 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7216 struct sockaddr_in *sin_a; 7217 7218 sin_a = &laddr->ifa->address.sin; 7219 sin->sin_addr = sin_a->sin_addr; 7220 fnd = 1; 7221 break; 7222 } 7223 } 7224 if (!fnd) { 7225 SCTP_FREE_SONAME(sin); 7226 SCTP_INP_RUNLOCK(inp); 7227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7228 return (ENOENT); 7229 } 7230 } 7231 SCTP_INP_RUNLOCK(inp); 7232 (*addr) = (struct sockaddr *)sin; 7233 return (0); 7234} 7235 7236int 7237sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7238{ 7239 struct sockaddr_in *sin; 7240 int fnd; 7241 struct sockaddr_in *sin_a; 7242 struct sctp_inpcb *inp; 7243 struct sctp_tcb *stcb; 7244 struct sctp_nets *net; 7245 7246 /* Do the malloc first in case it blocks. */ 7247 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7248 if (sin == NULL) 7249 return (ENOMEM); 7250 sin->sin_family = AF_INET; 7251 sin->sin_len = sizeof(*sin); 7252 7253 inp = (struct sctp_inpcb *)so->so_pcb; 7254 if ((inp == NULL) || 7255 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7256 /* UDP type and listeners will drop out here */ 7257 SCTP_FREE_SONAME(sin); 7258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7259 return (ENOTCONN); 7260 } 7261 SCTP_INP_RLOCK(inp); 7262 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7263 if (stcb) { 7264 SCTP_TCB_LOCK(stcb); 7265 } 7266 SCTP_INP_RUNLOCK(inp); 7267 if (stcb == NULL) { 7268 SCTP_FREE_SONAME(sin); 7269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7270 return (ECONNRESET); 7271 } 7272 fnd = 0; 7273 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7274 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7275 if (sin_a->sin_family == AF_INET) { 7276 fnd = 1; 7277 sin->sin_port = stcb->rport; 7278 sin->sin_addr = sin_a->sin_addr; 7279 break; 7280 } 7281 } 7282 SCTP_TCB_UNLOCK(stcb); 7283 if (!fnd) { 7284 /* No IPv4 address */ 7285 SCTP_FREE_SONAME(sin); 7286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7287 return (ENOENT); 7288 } 7289 (*addr) = (struct sockaddr *)sin; 7290 return (0); 7291} 7292 7293struct pr_usrreqs sctp_usrreqs = { 7294 .pru_abort = sctp_abort, 7295 .pru_accept = sctp_accept, 7296 .pru_attach = sctp_attach, 7297 .pru_bind = sctp_bind, 7298 .pru_connect = sctp_connect, 7299 .pru_control = in_control, 7300 .pru_close = sctp_close, 7301 .pru_detach = sctp_close, 7302 .pru_sopoll = sopoll_generic, 7303 .pru_flush = sctp_flush, 7304 .pru_disconnect = sctp_disconnect, 7305 .pru_listen = sctp_listen, 7306 .pru_peeraddr = sctp_peeraddr, 7307 .pru_send = sctp_sendm, 7308 .pru_shutdown = sctp_shutdown, 7309 .pru_sockaddr = sctp_ingetaddr, 7310 .pru_sosend = sctp_sosend, 7311 .pru_soreceive = sctp_soreceive 7312}; 7313 7314#endif 7315