sctp_usrreq.c revision 234832
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 234832 2012-04-30 08:44:21Z tuexen $"); 37#include <netinet/sctp_os.h> 38#include <sys/proc.h> 39#include <netinet/sctp_pcb.h> 40#include <netinet/sctp_header.h> 41#include <netinet/sctp_var.h> 42#if defined(INET6) 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 = 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} 217 218#endif 219 220void 221sctp_notify(struct sctp_inpcb *inp, 222 struct ip *ip, 223 struct sctphdr *sh, 224 struct sockaddr *to, 225 struct sctp_tcb *stcb, 226 struct sctp_nets *net) 227{ 228#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 229 struct socket *so; 230 231#endif 232 /* protection */ 233 int reason; 234 struct icmp *icmph; 235 236 237 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 238 (sh == NULL) || (to == NULL)) { 239 if (stcb) 240 SCTP_TCB_UNLOCK(stcb); 241 return; 242 } 243 /* First job is to verify the vtag matches what I would send */ 244 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 245 SCTP_TCB_UNLOCK(stcb); 246 return; 247 } 248 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 249 sizeof(struct ip))); 250 if (icmph->icmp_type != ICMP_UNREACH) { 251 /* We only care about unreachable */ 252 SCTP_TCB_UNLOCK(stcb); 253 return; 254 } 255 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 256 (icmph->icmp_code == ICMP_UNREACH_HOST) || 257 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 258 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 259 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 260 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 261 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 262 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 263 264 /* 265 * Hmm reachablity problems we must examine closely. If its 266 * not reachable, we may have lost a network. Or if there is 267 * NO protocol at the other end named SCTP. well we consider 268 * it a OOTB abort. 269 */ 270 if (net->dest_state & SCTP_ADDR_REACHABLE) { 271 /* Ok that destination is NOT reachable */ 272 net->dest_state &= ~SCTP_ADDR_REACHABLE; 273 net->dest_state &= ~SCTP_ADDR_PF; 274 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 275 stcb, SCTP_FAILED_THRESHOLD, 276 (void *)net, SCTP_SO_NOT_LOCKED); 277 } 278 SCTP_TCB_UNLOCK(stcb); 279 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 280 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 281 /* 282 * Here the peer is either playing tricks on us, including 283 * an address that belongs to someone who does not support 284 * SCTP OR was a userland implementation that shutdown and 285 * now is dead. In either case treat it like a OOTB abort 286 * with no TCB 287 */ 288 reason = SCTP_PEER_FAULTY; 289 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 290#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 291 so = SCTP_INP_SO(inp); 292 atomic_add_int(&stcb->asoc.refcnt, 1); 293 SCTP_TCB_UNLOCK(stcb); 294 SCTP_SOCKET_LOCK(so, 1); 295 SCTP_TCB_LOCK(stcb); 296 atomic_subtract_int(&stcb->asoc.refcnt, 1); 297#endif 298 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 299#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 300 SCTP_SOCKET_UNLOCK(so, 1); 301 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 302#endif 303 /* no need to unlock here, since the TCB is gone */ 304 } else { 305 SCTP_TCB_UNLOCK(stcb); 306 } 307} 308 309#ifdef INET 310void 311sctp_ctlinput(cmd, sa, vip) 312 int cmd; 313 struct sockaddr *sa; 314 void *vip; 315{ 316 struct ip *ip = vip; 317 struct sctphdr *sh; 318 uint32_t vrf_id; 319 320 /* FIX, for non-bsd is this right? */ 321 vrf_id = SCTP_DEFAULT_VRFID; 322 if (sa->sa_family != AF_INET || 323 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 324 return; 325 } 326 if (PRC_IS_REDIRECT(cmd)) { 327 ip = 0; 328 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 329 return; 330 } 331 if (ip) { 332 struct sctp_inpcb *inp = NULL; 333 struct sctp_tcb *stcb = NULL; 334 struct sctp_nets *net = NULL; 335 struct sockaddr_in to, from; 336 337 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 338 bzero(&to, sizeof(to)); 339 bzero(&from, sizeof(from)); 340 from.sin_family = to.sin_family = AF_INET; 341 from.sin_len = to.sin_len = sizeof(to); 342 from.sin_port = sh->src_port; 343 from.sin_addr = ip->ip_src; 344 to.sin_port = sh->dest_port; 345 to.sin_addr = ip->ip_dst; 346 347 /* 348 * 'to' holds the dest of the packet that failed to be sent. 349 * 'from' holds our local endpoint address. Thus we reverse 350 * the to and the from in the lookup. 351 */ 352 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 353 (struct sockaddr *)&to, 354 &inp, &net, 1, vrf_id); 355 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 356 if (cmd != PRC_MSGSIZE) { 357 sctp_notify(inp, ip, sh, 358 (struct sockaddr *)&to, stcb, 359 net); 360 } else { 361 /* handle possible ICMP size messages */ 362 sctp_notify_mbuf(inp, stcb, net, ip, sh); 363 } 364 } else { 365 if ((stcb == NULL) && (inp != NULL)) { 366 /* reduce ref-count */ 367 SCTP_INP_WLOCK(inp); 368 SCTP_INP_DECR_REF(inp); 369 SCTP_INP_WUNLOCK(inp); 370 } 371 if (stcb) { 372 SCTP_TCB_UNLOCK(stcb); 373 } 374 } 375 } 376 return; 377} 378 379#endif 380 381static int 382sctp_getcred(SYSCTL_HANDLER_ARGS) 383{ 384 struct xucred xuc; 385 struct sockaddr_in addrs[2]; 386 struct sctp_inpcb *inp; 387 struct sctp_nets *net; 388 struct sctp_tcb *stcb; 389 int error; 390 uint32_t vrf_id; 391 392 /* FIX, for non-bsd is this right? */ 393 vrf_id = SCTP_DEFAULT_VRFID; 394 395 error = priv_check(req->td, PRIV_NETINET_GETCRED); 396 397 if (error) 398 return (error); 399 400 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 401 if (error) 402 return (error); 403 404 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 405 sintosa(&addrs[1]), 406 &inp, &net, 1, vrf_id); 407 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 408 if ((inp != NULL) && (stcb == NULL)) { 409 /* reduce ref-count */ 410 SCTP_INP_WLOCK(inp); 411 SCTP_INP_DECR_REF(inp); 412 goto cred_can_cont; 413 } 414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 415 error = ENOENT; 416 goto out; 417 } 418 SCTP_TCB_UNLOCK(stcb); 419 /* 420 * We use the write lock here, only since in the error leg we need 421 * it. If we used RLOCK, then we would have to 422 * wlock/decr/unlock/rlock. Which in theory could create a hole. 423 * Better to use higher wlock. 424 */ 425 SCTP_INP_WLOCK(inp); 426cred_can_cont: 427 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 428 if (error) { 429 SCTP_INP_WUNLOCK(inp); 430 goto out; 431 } 432 cru2x(inp->sctp_socket->so_cred, &xuc); 433 SCTP_INP_WUNLOCK(inp); 434 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 435out: 436 return (error); 437} 438 439SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 440 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 441 442 443#ifdef INET 444static void 445sctp_abort(struct socket *so) 446{ 447 struct sctp_inpcb *inp; 448 uint32_t flags; 449 450 inp = (struct sctp_inpcb *)so->so_pcb; 451 if (inp == NULL) { 452 return; 453 } 454sctp_must_try_again: 455 flags = inp->sctp_flags; 456#ifdef SCTP_LOG_CLOSING 457 sctp_log_closing(inp, NULL, 17); 458#endif 459 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 460 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 461#ifdef SCTP_LOG_CLOSING 462 sctp_log_closing(inp, NULL, 16); 463#endif 464 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 465 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 466 SOCK_LOCK(so); 467 SCTP_SB_CLEAR(so->so_snd); 468 /* 469 * same for the rcv ones, they are only here for the 470 * accounting/select. 471 */ 472 SCTP_SB_CLEAR(so->so_rcv); 473 474 /* Now null out the reference, we are completely detached. */ 475 so->so_pcb = NULL; 476 SOCK_UNLOCK(so); 477 } else { 478 flags = inp->sctp_flags; 479 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 480 goto sctp_must_try_again; 481 } 482 } 483 return; 484} 485 486static int 487sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 488{ 489 struct sctp_inpcb *inp; 490 struct inpcb *ip_inp; 491 int error; 492 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 493 494#ifdef IPSEC 495 uint32_t flags; 496 497#endif 498 499 inp = (struct sctp_inpcb *)so->so_pcb; 500 if (inp != 0) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 505 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 506 if (error) { 507 return (error); 508 } 509 } 510 error = sctp_inpcb_alloc(so, vrf_id); 511 if (error) { 512 return (error); 513 } 514 inp = (struct sctp_inpcb *)so->so_pcb; 515 SCTP_INP_WLOCK(inp); 516 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 517 ip_inp = &inp->ip_inp.inp; 518 ip_inp->inp_vflag |= INP_IPV4; 519 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 520#ifdef IPSEC 521 error = ipsec_init_policy(so, &ip_inp->inp_sp); 522#ifdef SCTP_LOG_CLOSING 523 sctp_log_closing(inp, NULL, 17); 524#endif 525 if (error != 0) { 526try_again: 527 flags = inp->sctp_flags; 528 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 529 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 530#ifdef SCTP_LOG_CLOSING 531 sctp_log_closing(inp, NULL, 15); 532#endif 533 SCTP_INP_WUNLOCK(inp); 534 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 535 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 536 } else { 537 flags = inp->sctp_flags; 538 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 539 goto try_again; 540 } else { 541 SCTP_INP_WUNLOCK(inp); 542 } 543 } 544 return (error); 545 } 546#endif /* IPSEC */ 547 SCTP_INP_WUNLOCK(inp); 548 return (0); 549} 550 551static int 552sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 553{ 554 struct sctp_inpcb *inp = NULL; 555 int error; 556 557#ifdef INET 558 if (addr && addr->sa_family != AF_INET) { 559 /* must be a v4 address! */ 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563#endif /* INET6 */ 564 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 566 return (EINVAL); 567 } 568 inp = (struct sctp_inpcb *)so->so_pcb; 569 if (inp == NULL) { 570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 571 return (EINVAL); 572 } 573 error = sctp_inpcb_bind(so, addr, NULL, p); 574 return (error); 575} 576 577#endif 578void 579sctp_close(struct socket *so) 580{ 581 struct sctp_inpcb *inp; 582 uint32_t flags; 583 584 inp = (struct sctp_inpcb *)so->so_pcb; 585 if (inp == NULL) 586 return; 587 588 /* 589 * Inform all the lower layer assoc that we are done. 590 */ 591sctp_must_try_again: 592 flags = inp->sctp_flags; 593#ifdef SCTP_LOG_CLOSING 594 sctp_log_closing(inp, NULL, 17); 595#endif 596 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 597 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 598 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 599 (so->so_rcv.sb_cc > 0)) { 600#ifdef SCTP_LOG_CLOSING 601 sctp_log_closing(inp, NULL, 13); 602#endif 603 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 604 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 605 } else { 606#ifdef SCTP_LOG_CLOSING 607 sctp_log_closing(inp, NULL, 14); 608#endif 609 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 610 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 611 } 612 /* 613 * The socket is now detached, no matter what the state of 614 * the SCTP association. 615 */ 616 SOCK_LOCK(so); 617 SCTP_SB_CLEAR(so->so_snd); 618 /* 619 * same for the rcv ones, they are only here for the 620 * accounting/select. 621 */ 622 SCTP_SB_CLEAR(so->so_rcv); 623 624 /* Now null out the reference, we are completely detached. */ 625 so->so_pcb = NULL; 626 SOCK_UNLOCK(so); 627 } else { 628 flags = inp->sctp_flags; 629 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 630 goto sctp_must_try_again; 631 } 632 } 633 return; 634} 635 636 637int 638sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 639 struct mbuf *control, struct thread *p); 640 641 642int 643sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 644 struct mbuf *control, struct thread *p) 645{ 646 struct sctp_inpcb *inp; 647 int error; 648 649 inp = (struct sctp_inpcb *)so->so_pcb; 650 if (inp == NULL) { 651 if (control) { 652 sctp_m_freem(control); 653 control = NULL; 654 } 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 656 sctp_m_freem(m); 657 return (EINVAL); 658 } 659 /* Got to have an to address if we are NOT a connected socket */ 660 if ((addr == NULL) && 661 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 662 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 663 goto connected_type; 664 } else if (addr == NULL) { 665 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 666 error = EDESTADDRREQ; 667 sctp_m_freem(m); 668 if (control) { 669 sctp_m_freem(control); 670 control = NULL; 671 } 672 return (error); 673 } 674#ifdef INET6 675 if (addr->sa_family != AF_INET) { 676 /* must be a v4 address! */ 677 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 678 sctp_m_freem(m); 679 if (control) { 680 sctp_m_freem(control); 681 control = NULL; 682 } 683 error = EDESTADDRREQ; 684 return (error); 685 } 686#endif /* INET6 */ 687connected_type: 688 /* now what about control */ 689 if (control) { 690 if (inp->control) { 691 SCTP_PRINTF("huh? control set?\n"); 692 sctp_m_freem(inp->control); 693 inp->control = NULL; 694 } 695 inp->control = control; 696 } 697 /* Place the data */ 698 if (inp->pkt) { 699 SCTP_BUF_NEXT(inp->pkt_last) = m; 700 inp->pkt_last = m; 701 } else { 702 inp->pkt_last = inp->pkt = m; 703 } 704 if ( 705 /* FreeBSD uses a flag passed */ 706 ((flags & PRUS_MORETOCOME) == 0) 707 ) { 708 /* 709 * note with the current version this code will only be used 710 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 711 * re-defining sosend to use the sctp_sosend. One can 712 * optionally switch back to this code (by changing back the 713 * definitions) but this is not advisable. This code is used 714 * by FreeBSD when sending a file with sendfile() though. 715 */ 716 int ret; 717 718 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 719 inp->pkt = NULL; 720 inp->control = NULL; 721 return (ret); 722 } else { 723 return (0); 724 } 725} 726 727int 728sctp_disconnect(struct socket *so) 729{ 730 struct sctp_inpcb *inp; 731 732 inp = (struct sctp_inpcb *)so->so_pcb; 733 if (inp == NULL) { 734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 735 return (ENOTCONN); 736 } 737 SCTP_INP_RLOCK(inp); 738 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 739 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 740 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 741 /* No connection */ 742 SCTP_INP_RUNLOCK(inp); 743 return (0); 744 } else { 745 struct sctp_association *asoc; 746 struct sctp_tcb *stcb; 747 748 stcb = LIST_FIRST(&inp->sctp_asoc_list); 749 if (stcb == NULL) { 750 SCTP_INP_RUNLOCK(inp); 751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 752 return (EINVAL); 753 } 754 SCTP_TCB_LOCK(stcb); 755 asoc = &stcb->asoc; 756 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 757 /* We are about to be freed, out of here */ 758 SCTP_TCB_UNLOCK(stcb); 759 SCTP_INP_RUNLOCK(inp); 760 return (0); 761 } 762 if (((so->so_options & SO_LINGER) && 763 (so->so_linger == 0)) || 764 (so->so_rcv.sb_cc > 0)) { 765 if (SCTP_GET_STATE(asoc) != 766 SCTP_STATE_COOKIE_WAIT) { 767 /* Left with Data unread */ 768 struct mbuf *err; 769 770 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 771 if (err) { 772 /* 773 * Fill in the user 774 * initiated abort 775 */ 776 struct sctp_paramhdr *ph; 777 778 ph = mtod(err, struct sctp_paramhdr *); 779 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 780 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 781 ph->param_length = htons(SCTP_BUF_LEN(err)); 782 } 783#if defined(SCTP_PANIC_ON_ABORT) 784 panic("disconnect does an abort"); 785#endif 786 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 787 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 788 } 789 SCTP_INP_RUNLOCK(inp); 790 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 791 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 792 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 793 } 794 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 795 /* No unlock tcb assoc is gone */ 796 return (0); 797 } 798 if (TAILQ_EMPTY(&asoc->send_queue) && 799 TAILQ_EMPTY(&asoc->sent_queue) && 800 (asoc->stream_queue_cnt == 0)) { 801 /* there is nothing queued to send, so done */ 802 if (asoc->locked_on_sending) { 803 goto abort_anyway; 804 } 805 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 806 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 807 /* only send SHUTDOWN 1st time thru */ 808 struct sctp_nets *netp; 809 810 if (stcb->asoc.alternate) { 811 netp = stcb->asoc.alternate; 812 } else { 813 netp = stcb->asoc.primary_destination; 814 } 815 sctp_stop_timers_for_shutdown(stcb); 816 sctp_send_shutdown(stcb, netp); 817 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 818 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 819 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 820 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 821 } 822 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 823 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 824 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 825 stcb->sctp_ep, stcb, netp); 826 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 827 stcb->sctp_ep, stcb, netp); 828 829 } 830 } else { 831 /* 832 * we still got (or just got) data to send, 833 * so set SHUTDOWN_PENDING 834 */ 835 /* 836 * XXX sockets draft says that SCTP_EOF 837 * should be sent with no data. currently, 838 * we will allow user data to be sent first 839 * and move to SHUTDOWN-PENDING 840 */ 841 struct sctp_nets *netp; 842 843 if (stcb->asoc.alternate) { 844 netp = stcb->asoc.alternate; 845 } else { 846 netp = stcb->asoc.primary_destination; 847 } 848 849 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 850 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 851 netp); 852 if (asoc->locked_on_sending) { 853 /* Locked to send out the data */ 854 struct sctp_stream_queue_pending *sp; 855 856 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 857 if (sp == NULL) { 858 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 859 asoc->locked_on_sending->stream_no); 860 } else { 861 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 862 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 863 } 864 } 865 if (TAILQ_EMPTY(&asoc->send_queue) && 866 TAILQ_EMPTY(&asoc->sent_queue) && 867 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 868 struct mbuf *op_err; 869 870 abort_anyway: 871 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 872 0, M_DONTWAIT, 1, MT_DATA); 873 if (op_err) { 874 /* 875 * Fill in the user 876 * initiated abort 877 */ 878 struct sctp_paramhdr *ph; 879 uint32_t *ippp; 880 881 SCTP_BUF_LEN(op_err) = 882 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 883 ph = mtod(op_err, 884 struct sctp_paramhdr *); 885 ph->param_type = htons( 886 SCTP_CAUSE_USER_INITIATED_ABT); 887 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 888 ippp = (uint32_t *) (ph + 1); 889 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 890 } 891#if defined(SCTP_PANIC_ON_ABORT) 892 panic("disconnect does an abort"); 893#endif 894 895 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 896 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 897 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 898 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 899 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 900 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 901 } 902 SCTP_INP_RUNLOCK(inp); 903 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 904 return (0); 905 } else { 906 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 907 } 908 } 909 soisdisconnecting(so); 910 SCTP_TCB_UNLOCK(stcb); 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 /* not reached */ 915 } else { 916 /* UDP model does not support this */ 917 SCTP_INP_RUNLOCK(inp); 918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 919 return (EOPNOTSUPP); 920 } 921} 922 923int 924sctp_flush(struct socket *so, int how) 925{ 926 /* 927 * We will just clear out the values and let subsequent close clear 928 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 929 * they will not be able to read the data, the socket will block 930 * that from happening. 931 */ 932 struct sctp_inpcb *inp; 933 934 inp = (struct sctp_inpcb *)so->so_pcb; 935 if (inp == NULL) { 936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 937 return (EINVAL); 938 } 939 SCTP_INP_RLOCK(inp); 940 /* For the 1 to many model this does nothing */ 941 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 942 SCTP_INP_RUNLOCK(inp); 943 return (0); 944 } 945 SCTP_INP_RUNLOCK(inp); 946 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 947 /* 948 * First make sure the sb will be happy, we don't use these 949 * except maybe the count 950 */ 951 SCTP_INP_WLOCK(inp); 952 SCTP_INP_READ_LOCK(inp); 953 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 954 SCTP_INP_READ_UNLOCK(inp); 955 SCTP_INP_WUNLOCK(inp); 956 so->so_rcv.sb_cc = 0; 957 so->so_rcv.sb_mbcnt = 0; 958 so->so_rcv.sb_mb = NULL; 959 } 960 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 961 /* 962 * First make sure the sb will be happy, we don't use these 963 * except maybe the count 964 */ 965 so->so_snd.sb_cc = 0; 966 so->so_snd.sb_mbcnt = 0; 967 so->so_snd.sb_mb = NULL; 968 969 } 970 return (0); 971} 972 973int 974sctp_shutdown(struct socket *so) 975{ 976 struct sctp_inpcb *inp; 977 978 inp = (struct sctp_inpcb *)so->so_pcb; 979 if (inp == NULL) { 980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 981 return (EINVAL); 982 } 983 SCTP_INP_RLOCK(inp); 984 /* For UDP model this is a invalid call */ 985 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 986 /* Restore the flags that the soshutdown took away. */ 987 SOCKBUF_LOCK(&so->so_rcv); 988 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 989 SOCKBUF_UNLOCK(&so->so_rcv); 990 /* This proc will wakeup for read and do nothing (I hope) */ 991 SCTP_INP_RUNLOCK(inp); 992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 993 return (EOPNOTSUPP); 994 } 995 /* 996 * Ok if we reach here its the TCP model and it is either a SHUT_WR 997 * or SHUT_RDWR. This means we put the shutdown flag against it. 998 */ 999 { 1000 struct sctp_tcb *stcb; 1001 struct sctp_association *asoc; 1002 1003 if ((so->so_state & 1004 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1005 SCTP_INP_RUNLOCK(inp); 1006 return (ENOTCONN); 1007 } 1008 socantsendmore(so); 1009 1010 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1011 if (stcb == NULL) { 1012 /* 1013 * Ok we hit the case that the shutdown call was 1014 * made after an abort or something. Nothing to do 1015 * now. 1016 */ 1017 SCTP_INP_RUNLOCK(inp); 1018 return (0); 1019 } 1020 SCTP_TCB_LOCK(stcb); 1021 asoc = &stcb->asoc; 1022 if (TAILQ_EMPTY(&asoc->send_queue) && 1023 TAILQ_EMPTY(&asoc->sent_queue) && 1024 (asoc->stream_queue_cnt == 0)) { 1025 if (asoc->locked_on_sending) { 1026 goto abort_anyway; 1027 } 1028 /* there is nothing queued to send, so I'm done... */ 1029 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1030 /* only send SHUTDOWN the first time through */ 1031 struct sctp_nets *netp; 1032 1033 if (stcb->asoc.alternate) { 1034 netp = stcb->asoc.alternate; 1035 } else { 1036 netp = stcb->asoc.primary_destination; 1037 } 1038 sctp_stop_timers_for_shutdown(stcb); 1039 sctp_send_shutdown(stcb, netp); 1040 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1041 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1042 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1043 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1044 } 1045 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1046 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1047 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1048 stcb->sctp_ep, stcb, netp); 1049 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1050 stcb->sctp_ep, stcb, netp); 1051 } 1052 } else { 1053 /* 1054 * we still got (or just got) data to send, so set 1055 * SHUTDOWN_PENDING 1056 */ 1057 struct sctp_nets *netp; 1058 1059 if (stcb->asoc.alternate) { 1060 netp = stcb->asoc.alternate; 1061 } else { 1062 netp = stcb->asoc.primary_destination; 1063 } 1064 1065 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1066 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1067 netp); 1068 1069 if (asoc->locked_on_sending) { 1070 /* Locked to send out the data */ 1071 struct sctp_stream_queue_pending *sp; 1072 1073 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1074 if (sp == NULL) { 1075 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1076 asoc->locked_on_sending->stream_no); 1077 } else { 1078 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1079 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1080 } 1081 } 1082 } 1083 if (TAILQ_EMPTY(&asoc->send_queue) && 1084 TAILQ_EMPTY(&asoc->sent_queue) && 1085 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1086 struct mbuf *op_err; 1087 1088 abort_anyway: 1089 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1090 0, M_DONTWAIT, 1, MT_DATA); 1091 if (op_err) { 1092 /* Fill in the user initiated abort */ 1093 struct sctp_paramhdr *ph; 1094 uint32_t *ippp; 1095 1096 SCTP_BUF_LEN(op_err) = 1097 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1098 ph = mtod(op_err, 1099 struct sctp_paramhdr *); 1100 ph->param_type = htons( 1101 SCTP_CAUSE_USER_INITIATED_ABT); 1102 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1103 ippp = (uint32_t *) (ph + 1); 1104 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1105 } 1106#if defined(SCTP_PANIC_ON_ABORT) 1107 panic("shutdown does an abort"); 1108#endif 1109 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1110 sctp_abort_an_association(stcb->sctp_ep, stcb, 1111 SCTP_RESPONSE_TO_USER_REQ, 1112 op_err, SCTP_SO_LOCKED); 1113 goto skip_unlock; 1114 } else { 1115 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1116 } 1117 } 1118 SCTP_TCB_UNLOCK(stcb); 1119 } 1120skip_unlock: 1121 SCTP_INP_RUNLOCK(inp); 1122 return (0); 1123} 1124 1125/* 1126 * copies a "user" presentable address and removes embedded scope, etc. 1127 * returns 0 on success, 1 on error 1128 */ 1129static uint32_t 1130sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1131{ 1132#ifdef INET6 1133 struct sockaddr_in6 lsa6; 1134 1135 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1136 &lsa6); 1137#endif 1138 memcpy(ss, sa, sa->sa_len); 1139 return (0); 1140} 1141 1142 1143 1144/* 1145 * NOTE: assumes addr lock is held 1146 */ 1147static size_t 1148sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1149 struct sctp_tcb *stcb, 1150 size_t limit, 1151 struct sockaddr_storage *sas, 1152 uint32_t vrf_id) 1153{ 1154 struct sctp_ifn *sctp_ifn; 1155 struct sctp_ifa *sctp_ifa; 1156 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1157 size_t actual; 1158 int ipv4_addr_legal, ipv6_addr_legal; 1159 struct sctp_vrf *vrf; 1160 1161 actual = 0; 1162 if (limit <= 0) 1163 return (actual); 1164 1165 if (stcb) { 1166 /* Turn on all the appropriate scope */ 1167 loopback_scope = stcb->asoc.loopback_scope; 1168 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1169 local_scope = stcb->asoc.local_scope; 1170 site_scope = stcb->asoc.site_scope; 1171 } else { 1172 /* Turn on ALL scope, since we look at the EP */ 1173 loopback_scope = ipv4_local_scope = local_scope = 1174 site_scope = 1; 1175 } 1176 ipv4_addr_legal = ipv6_addr_legal = 0; 1177 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1178 ipv6_addr_legal = 1; 1179 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1180 ipv4_addr_legal = 1; 1181 } 1182 } else { 1183 ipv4_addr_legal = 1; 1184 } 1185 vrf = sctp_find_vrf(vrf_id); 1186 if (vrf == NULL) { 1187 return (0); 1188 } 1189 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1190 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1191 if ((loopback_scope == 0) && 1192 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1193 /* Skip loopback if loopback_scope not set */ 1194 continue; 1195 } 1196 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1197 if (stcb) { 1198 /* 1199 * For the BOUND-ALL case, the list 1200 * associated with a TCB is Always 1201 * considered a reverse list.. i.e. 1202 * it lists addresses that are NOT 1203 * part of the association. If this 1204 * is one of those we must skip it. 1205 */ 1206 if (sctp_is_addr_restricted(stcb, 1207 sctp_ifa)) { 1208 continue; 1209 } 1210 } 1211 switch (sctp_ifa->address.sa.sa_family) { 1212#ifdef INET 1213 case AF_INET: 1214 if (ipv4_addr_legal) { 1215 struct sockaddr_in *sin; 1216 1217 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1218 if (sin->sin_addr.s_addr == 0) { 1219 /* 1220 * we skip 1221 * unspecifed 1222 * addresses 1223 */ 1224 continue; 1225 } 1226 if ((ipv4_local_scope == 0) && 1227 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1228 continue; 1229 } 1230#ifdef INET6 1231 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1232 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1233 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1234 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1235 actual += sizeof(struct sockaddr_in6); 1236 } else { 1237#endif 1238 memcpy(sas, sin, sizeof(*sin)); 1239 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1240 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1241 actual += sizeof(*sin); 1242#ifdef INET6 1243 } 1244#endif 1245 if (actual >= limit) { 1246 return (actual); 1247 } 1248 } else { 1249 continue; 1250 } 1251 break; 1252#endif 1253#ifdef INET6 1254 case AF_INET6: 1255 if (ipv6_addr_legal) { 1256 struct sockaddr_in6 *sin6; 1257 1258 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1259 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1260 /* 1261 * we skip 1262 * unspecifed 1263 * addresses 1264 */ 1265 continue; 1266 } 1267 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1268 if (local_scope == 0) 1269 continue; 1270 if (sin6->sin6_scope_id == 0) { 1271 if (sa6_recoverscope(sin6) != 0) 1272 /* 1273 * 1274 * bad 1275 * 1276 * li 1277 * nk 1278 * 1279 * loc 1280 * al 1281 * 1282 * add 1283 * re 1284 * ss 1285 * */ 1286 continue; 1287 } 1288 } 1289 if ((site_scope == 0) && 1290 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1291 continue; 1292 } 1293 memcpy(sas, sin6, sizeof(*sin6)); 1294 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1295 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1296 actual += sizeof(*sin6); 1297 if (actual >= limit) { 1298 return (actual); 1299 } 1300 } else { 1301 continue; 1302 } 1303 break; 1304#endif 1305 default: 1306 /* TSNH */ 1307 break; 1308 } 1309 } 1310 } 1311 } else { 1312 struct sctp_laddr *laddr; 1313 1314 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1315 if (stcb) { 1316 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1317 continue; 1318 } 1319 } 1320 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1321 continue; 1322 1323 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1324 sas = (struct sockaddr_storage *)((caddr_t)sas + 1325 laddr->ifa->address.sa.sa_len); 1326 actual += laddr->ifa->address.sa.sa_len; 1327 if (actual >= limit) { 1328 return (actual); 1329 } 1330 } 1331 } 1332 return (actual); 1333} 1334 1335static size_t 1336sctp_fill_up_addresses(struct sctp_inpcb *inp, 1337 struct sctp_tcb *stcb, 1338 size_t limit, 1339 struct sockaddr_storage *sas) 1340{ 1341 size_t size = 0; 1342 1343 SCTP_IPI_ADDR_RLOCK(); 1344 /* fill up addresses for the endpoint's default vrf */ 1345 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1346 inp->def_vrf_id); 1347 SCTP_IPI_ADDR_RUNLOCK(); 1348 return (size); 1349} 1350 1351/* 1352 * NOTE: assumes addr lock is held 1353 */ 1354static int 1355sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1356{ 1357 int cnt = 0; 1358 struct sctp_vrf *vrf = NULL; 1359 1360 /* 1361 * In both sub-set bound an bound_all cases we return the MAXIMUM 1362 * number of addresses that you COULD get. In reality the sub-set 1363 * bound may have an exclusion list for a given TCB OR in the 1364 * bound-all case a TCB may NOT include the loopback or other 1365 * addresses as well. 1366 */ 1367 vrf = sctp_find_vrf(vrf_id); 1368 if (vrf == NULL) { 1369 return (0); 1370 } 1371 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1372 struct sctp_ifn *sctp_ifn; 1373 struct sctp_ifa *sctp_ifa; 1374 1375 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1376 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1377 /* Count them if they are the right type */ 1378 switch (sctp_ifa->address.sa.sa_family) { 1379#ifdef INET 1380 case AF_INET: 1381 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1382 cnt += sizeof(struct sockaddr_in6); 1383 else 1384 cnt += sizeof(struct sockaddr_in); 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 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1405 cnt += sizeof(struct sockaddr_in6); 1406 else 1407 cnt += sizeof(struct sockaddr_in); 1408 break; 1409#endif 1410#ifdef INET6 1411 case AF_INET6: 1412 cnt += sizeof(struct sockaddr_in6); 1413 break; 1414#endif 1415 default: 1416 break; 1417 } 1418 } 1419 } 1420 return (cnt); 1421} 1422 1423static int 1424sctp_count_max_addresses(struct sctp_inpcb *inp) 1425{ 1426 int cnt = 0; 1427 1428 SCTP_IPI_ADDR_RLOCK(); 1429 /* count addresses for the endpoint's default VRF */ 1430 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1431 SCTP_IPI_ADDR_RUNLOCK(); 1432 return (cnt); 1433} 1434 1435static int 1436sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1437 size_t optsize, void *p, int delay) 1438{ 1439 int error = 0; 1440 int creat_lock_on = 0; 1441 struct sctp_tcb *stcb = NULL; 1442 struct sockaddr *sa; 1443 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1444 uint32_t vrf_id; 1445 int bad_addresses = 0; 1446 sctp_assoc_t *a_id; 1447 1448 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1449 1450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1451 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1452 /* We are already connected AND the TCP model */ 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1454 return (EADDRINUSE); 1455 } 1456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1457 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1459 return (EINVAL); 1460 } 1461 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1462 SCTP_INP_RLOCK(inp); 1463 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1464 SCTP_INP_RUNLOCK(inp); 1465 } 1466 if (stcb) { 1467 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1468 return (EALREADY); 1469 } 1470 SCTP_INP_INCR_REF(inp); 1471 SCTP_ASOC_CREATE_LOCK(inp); 1472 creat_lock_on = 1; 1473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1474 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1475 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1476 error = EFAULT; 1477 goto out_now; 1478 } 1479 totaddrp = (int *)optval; 1480 totaddr = *totaddrp; 1481 sa = (struct sockaddr *)(totaddrp + 1); 1482 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1483 if ((stcb != NULL) || bad_addresses) { 1484 /* Already have or am bring up an association */ 1485 SCTP_ASOC_CREATE_UNLOCK(inp); 1486 creat_lock_on = 0; 1487 if (stcb) 1488 SCTP_TCB_UNLOCK(stcb); 1489 if (bad_addresses == 0) { 1490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1491 error = EALREADY; 1492 } 1493 goto out_now; 1494 } 1495#ifdef INET6 1496 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1497 (num_v6 > 0)) { 1498 error = EINVAL; 1499 goto out_now; 1500 } 1501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1502 (num_v4 > 0)) { 1503 struct in6pcb *inp6; 1504 1505 inp6 = (struct in6pcb *)inp; 1506 if (SCTP_IPV6_V6ONLY(inp6)) { 1507 /* 1508 * if IPV6_V6ONLY flag, ignore connections destined 1509 * to a v4 addr or v4-mapped addr 1510 */ 1511 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1512 error = EINVAL; 1513 goto out_now; 1514 } 1515 } 1516#endif /* INET6 */ 1517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1518 SCTP_PCB_FLAGS_UNBOUND) { 1519 /* Bind a ephemeral port */ 1520 error = sctp_inpcb_bind(so, NULL, NULL, p); 1521 if (error) { 1522 goto out_now; 1523 } 1524 } 1525 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1526 vrf_id = inp->def_vrf_id; 1527 1528 1529 /* We are GOOD to go */ 1530 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1531 (struct thread *)p 1532 ); 1533 if (stcb == NULL) { 1534 /* Gak! no memory */ 1535 goto out_now; 1536 } 1537 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1538 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1539 /* Set the connected flag so we can queue data */ 1540 soisconnecting(so); 1541 } 1542 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1543 /* move to second address */ 1544 switch (sa->sa_family) { 1545#ifdef INET 1546 case AF_INET: 1547 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1548 break; 1549#endif 1550#ifdef INET6 1551 case AF_INET6: 1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1553 break; 1554#endif 1555 default: 1556 break; 1557 } 1558 1559 error = 0; 1560 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1561 /* Fill in the return id */ 1562 if (error) { 1563 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1564 goto out_now; 1565 } 1566 a_id = (sctp_assoc_t *) optval; 1567 *a_id = sctp_get_associd(stcb); 1568 1569 /* initialize authentication parameters for the assoc */ 1570 sctp_initialize_auth_params(inp, stcb); 1571 1572 if (delay) { 1573 /* doing delayed connection */ 1574 stcb->asoc.delayed_connection = 1; 1575 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1576 } else { 1577 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1578 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1579 } 1580 SCTP_TCB_UNLOCK(stcb); 1581 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1582 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1583 /* Set the connected flag so we can queue data */ 1584 soisconnecting(so); 1585 } 1586out_now: 1587 if (creat_lock_on) { 1588 SCTP_ASOC_CREATE_UNLOCK(inp); 1589 } 1590 SCTP_INP_DECR_REF(inp); 1591 return (error); 1592} 1593 1594#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1596 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1597 SCTP_INP_RLOCK(inp); \ 1598 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1599 if (stcb) { \ 1600 SCTP_TCB_LOCK(stcb); \ 1601 } \ 1602 SCTP_INP_RUNLOCK(inp); \ 1603 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1604 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1605 if (stcb == NULL) { \ 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1607 error = ENOENT; \ 1608 break; \ 1609 } \ 1610 } else { \ 1611 stcb = NULL; \ 1612 } \ 1613 } 1614 1615 1616#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1617 if (size < sizeof(type)) { \ 1618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1619 error = EINVAL; \ 1620 break; \ 1621 } else { \ 1622 destp = (type *)srcp; \ 1623 } \ 1624 } 1625 1626static int 1627sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1628 void *p) 1629{ 1630 struct sctp_inpcb *inp = NULL; 1631 int error, val = 0; 1632 struct sctp_tcb *stcb = NULL; 1633 1634 if (optval == NULL) { 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1636 return (EINVAL); 1637 } 1638 inp = (struct sctp_inpcb *)so->so_pcb; 1639 if (inp == NULL) { 1640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1641 return EINVAL; 1642 } 1643 error = 0; 1644 1645 switch (optname) { 1646 case SCTP_NODELAY: 1647 case SCTP_AUTOCLOSE: 1648 case SCTP_EXPLICIT_EOR: 1649 case SCTP_AUTO_ASCONF: 1650 case SCTP_DISABLE_FRAGMENTS: 1651 case SCTP_I_WANT_MAPPED_V4_ADDR: 1652 case SCTP_USE_EXT_RCVINFO: 1653 SCTP_INP_RLOCK(inp); 1654 switch (optname) { 1655 case SCTP_DISABLE_FRAGMENTS: 1656 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1657 break; 1658 case SCTP_I_WANT_MAPPED_V4_ADDR: 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1660 break; 1661 case SCTP_AUTO_ASCONF: 1662 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1663 /* only valid for bound all sockets */ 1664 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1665 } else { 1666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1667 error = EINVAL; 1668 goto flags_out; 1669 } 1670 break; 1671 case SCTP_EXPLICIT_EOR: 1672 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1673 break; 1674 case SCTP_NODELAY: 1675 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1676 break; 1677 case SCTP_USE_EXT_RCVINFO: 1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1679 break; 1680 case SCTP_AUTOCLOSE: 1681 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1682 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1683 else 1684 val = 0; 1685 break; 1686 1687 default: 1688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1689 error = ENOPROTOOPT; 1690 } /* end switch (sopt->sopt_name) */ 1691 if (*optsize < sizeof(val)) { 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1693 error = EINVAL; 1694 } 1695flags_out: 1696 SCTP_INP_RUNLOCK(inp); 1697 if (error == 0) { 1698 /* return the option value */ 1699 *(int *)optval = val; 1700 *optsize = sizeof(val); 1701 } 1702 break; 1703 case SCTP_GET_PACKET_LOG: 1704 { 1705#ifdef SCTP_PACKET_LOGGING 1706 uint8_t *target; 1707 int ret; 1708 1709 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1710 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1711 *optsize = ret; 1712#else 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1714 error = EOPNOTSUPP; 1715#endif 1716 break; 1717 } 1718 case SCTP_REUSE_PORT: 1719 { 1720 uint32_t *value; 1721 1722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1723 /* Can't do this for a 1-m socket */ 1724 error = EINVAL; 1725 break; 1726 } 1727 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1728 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1729 *optsize = sizeof(uint32_t); 1730 break; 1731 } 1732 case SCTP_PARTIAL_DELIVERY_POINT: 1733 { 1734 uint32_t *value; 1735 1736 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1737 *value = inp->partial_delivery_point; 1738 *optsize = sizeof(uint32_t); 1739 break; 1740 } 1741 case SCTP_FRAGMENT_INTERLEAVE: 1742 { 1743 uint32_t *value; 1744 1745 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1746 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1747 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1748 *value = SCTP_FRAG_LEVEL_2; 1749 } else { 1750 *value = SCTP_FRAG_LEVEL_1; 1751 } 1752 } else { 1753 *value = SCTP_FRAG_LEVEL_0; 1754 } 1755 *optsize = sizeof(uint32_t); 1756 break; 1757 } 1758 case SCTP_CMT_ON_OFF: 1759 { 1760 struct sctp_assoc_value *av; 1761 1762 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1763 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1764 if (stcb) { 1765 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1766 SCTP_TCB_UNLOCK(stcb); 1767 } else { 1768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1770 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1771 SCTP_INP_RLOCK(inp); 1772 av->assoc_value = inp->sctp_cmt_on_off; 1773 SCTP_INP_RUNLOCK(inp); 1774 } else { 1775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1776 error = EINVAL; 1777 } 1778 } 1779 if (error == 0) { 1780 *optsize = sizeof(struct sctp_assoc_value); 1781 } 1782 break; 1783 } 1784 case SCTP_PLUGGABLE_CC: 1785 { 1786 struct sctp_assoc_value *av; 1787 1788 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1789 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1790 if (stcb) { 1791 av->assoc_value = stcb->asoc.congestion_control_module; 1792 SCTP_TCB_UNLOCK(stcb); 1793 } else { 1794 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1795 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1796 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1797 SCTP_INP_RLOCK(inp); 1798 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1799 SCTP_INP_RUNLOCK(inp); 1800 } else { 1801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1802 error = EINVAL; 1803 } 1804 } 1805 if (error == 0) { 1806 *optsize = sizeof(struct sctp_assoc_value); 1807 } 1808 break; 1809 } 1810 case SCTP_CC_OPTION: 1811 { 1812 struct sctp_cc_option *cc_opt; 1813 1814 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1815 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1816 if (stcb == NULL) { 1817 error = EINVAL; 1818 } else { 1819 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1820 error = ENOTSUP; 1821 } else { 1822 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1823 *optsize = sizeof(struct sctp_cc_option); 1824 } 1825 SCTP_TCB_UNLOCK(stcb); 1826 } 1827 break; 1828 } 1829 case SCTP_PLUGGABLE_SS: 1830 { 1831 struct sctp_assoc_value *av; 1832 1833 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1834 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1835 if (stcb) { 1836 av->assoc_value = stcb->asoc.stream_scheduling_module; 1837 SCTP_TCB_UNLOCK(stcb); 1838 } else { 1839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1840 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1841 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1842 SCTP_INP_RLOCK(inp); 1843 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1844 SCTP_INP_RUNLOCK(inp); 1845 } else { 1846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1847 error = EINVAL; 1848 } 1849 } 1850 if (error == 0) { 1851 *optsize = sizeof(struct sctp_assoc_value); 1852 } 1853 break; 1854 } 1855 case SCTP_SS_VALUE: 1856 { 1857 struct sctp_stream_value *av; 1858 1859 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1860 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1861 if (stcb) { 1862 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1863 &av->stream_value) < 0) { 1864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1865 error = EINVAL; 1866 } else { 1867 *optsize = sizeof(struct sctp_stream_value); 1868 } 1869 SCTP_TCB_UNLOCK(stcb); 1870 } else { 1871 /* 1872 * Can't get stream value without 1873 * association 1874 */ 1875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1876 error = EINVAL; 1877 } 1878 break; 1879 } 1880 case SCTP_GET_ADDR_LEN: 1881 { 1882 struct sctp_assoc_value *av; 1883 1884 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1885 error = EINVAL; 1886#ifdef INET 1887 if (av->assoc_value == AF_INET) { 1888 av->assoc_value = sizeof(struct sockaddr_in); 1889 error = 0; 1890 } 1891#endif 1892#ifdef INET6 1893 if (av->assoc_value == AF_INET6) { 1894 av->assoc_value = sizeof(struct sockaddr_in6); 1895 error = 0; 1896 } 1897#endif 1898 if (error) { 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1900 } else { 1901 *optsize = sizeof(struct sctp_assoc_value); 1902 } 1903 break; 1904 } 1905 case SCTP_GET_ASSOC_NUMBER: 1906 { 1907 uint32_t *value, cnt; 1908 1909 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1910 cnt = 0; 1911 SCTP_INP_RLOCK(inp); 1912 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1913 cnt++; 1914 } 1915 SCTP_INP_RUNLOCK(inp); 1916 *value = cnt; 1917 *optsize = sizeof(uint32_t); 1918 break; 1919 } 1920 case SCTP_GET_ASSOC_ID_LIST: 1921 { 1922 struct sctp_assoc_ids *ids; 1923 unsigned int at, limit; 1924 1925 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1926 at = 0; 1927 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1928 SCTP_INP_RLOCK(inp); 1929 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1930 if (at < limit) { 1931 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1932 } else { 1933 error = EINVAL; 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1935 break; 1936 } 1937 } 1938 SCTP_INP_RUNLOCK(inp); 1939 if (error == 0) { 1940 ids->gaids_number_of_ids = at; 1941 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1942 } 1943 break; 1944 } 1945 case SCTP_CONTEXT: 1946 { 1947 struct sctp_assoc_value *av; 1948 1949 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1950 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1951 1952 if (stcb) { 1953 av->assoc_value = stcb->asoc.context; 1954 SCTP_TCB_UNLOCK(stcb); 1955 } else { 1956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1957 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1958 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1959 SCTP_INP_RLOCK(inp); 1960 av->assoc_value = inp->sctp_context; 1961 SCTP_INP_RUNLOCK(inp); 1962 } else { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1964 error = EINVAL; 1965 } 1966 } 1967 if (error == 0) { 1968 *optsize = sizeof(struct sctp_assoc_value); 1969 } 1970 break; 1971 } 1972 case SCTP_VRF_ID: 1973 { 1974 uint32_t *default_vrfid; 1975 1976 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1977 *default_vrfid = inp->def_vrf_id; 1978 *optsize = sizeof(uint32_t); 1979 break; 1980 } 1981 case SCTP_GET_ASOC_VRF: 1982 { 1983 struct sctp_assoc_value *id; 1984 1985 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1986 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1987 if (stcb == NULL) { 1988 error = EINVAL; 1989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1990 } else { 1991 id->assoc_value = stcb->asoc.vrf_id; 1992 *optsize = sizeof(struct sctp_assoc_value); 1993 } 1994 break; 1995 } 1996 case SCTP_GET_VRF_IDS: 1997 { 1998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1999 error = EOPNOTSUPP; 2000 break; 2001 } 2002 case SCTP_GET_NONCE_VALUES: 2003 { 2004 struct sctp_get_nonce_values *gnv; 2005 2006 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2007 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2008 2009 if (stcb) { 2010 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2011 gnv->gn_local_tag = stcb->asoc.my_vtag; 2012 SCTP_TCB_UNLOCK(stcb); 2013 *optsize = sizeof(struct sctp_get_nonce_values); 2014 } else { 2015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2016 error = ENOTCONN; 2017 } 2018 break; 2019 } 2020 case SCTP_DELAYED_SACK: 2021 { 2022 struct sctp_sack_info *sack; 2023 2024 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2025 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2026 if (stcb) { 2027 sack->sack_delay = stcb->asoc.delayed_ack; 2028 sack->sack_freq = stcb->asoc.sack_freq; 2029 SCTP_TCB_UNLOCK(stcb); 2030 } else { 2031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2033 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2034 SCTP_INP_RLOCK(inp); 2035 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2036 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2037 SCTP_INP_RUNLOCK(inp); 2038 } else { 2039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2040 error = EINVAL; 2041 } 2042 } 2043 if (error == 0) { 2044 *optsize = sizeof(struct sctp_sack_info); 2045 } 2046 break; 2047 } 2048 case SCTP_GET_SNDBUF_USE: 2049 { 2050 struct sctp_sockstat *ss; 2051 2052 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2053 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2054 2055 if (stcb) { 2056 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2057 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2058 stcb->asoc.size_on_all_streams); 2059 SCTP_TCB_UNLOCK(stcb); 2060 *optsize = sizeof(struct sctp_sockstat); 2061 } else { 2062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2063 error = ENOTCONN; 2064 } 2065 break; 2066 } 2067 case SCTP_MAX_BURST: 2068 { 2069 struct sctp_assoc_value *av; 2070 2071 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2073 2074 if (stcb) { 2075 av->assoc_value = stcb->asoc.max_burst; 2076 SCTP_TCB_UNLOCK(stcb); 2077 } else { 2078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2080 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2081 SCTP_INP_RLOCK(inp); 2082 av->assoc_value = inp->sctp_ep.max_burst; 2083 SCTP_INP_RUNLOCK(inp); 2084 } else { 2085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2086 error = EINVAL; 2087 } 2088 } 2089 if (error == 0) { 2090 *optsize = sizeof(struct sctp_assoc_value); 2091 } 2092 break; 2093 } 2094 case SCTP_MAXSEG: 2095 { 2096 struct sctp_assoc_value *av; 2097 int ovh; 2098 2099 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2100 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2101 2102 if (stcb) { 2103 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2104 SCTP_TCB_UNLOCK(stcb); 2105 } else { 2106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2108 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2109 SCTP_INP_RLOCK(inp); 2110 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2111 ovh = SCTP_MED_OVERHEAD; 2112 } else { 2113 ovh = SCTP_MED_V4_OVERHEAD; 2114 } 2115 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2116 av->assoc_value = 0; 2117 else 2118 av->assoc_value = inp->sctp_frag_point - ovh; 2119 SCTP_INP_RUNLOCK(inp); 2120 } else { 2121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2122 error = EINVAL; 2123 } 2124 } 2125 if (error == 0) { 2126 *optsize = sizeof(struct sctp_assoc_value); 2127 } 2128 break; 2129 } 2130 case SCTP_GET_STAT_LOG: 2131 error = sctp_fill_stat_log(optval, optsize); 2132 break; 2133 case SCTP_EVENTS: 2134 { 2135 struct sctp_event_subscribe *events; 2136 2137 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2138 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2139 SCTP_INP_RLOCK(inp); 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2141 events->sctp_data_io_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2144 events->sctp_association_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2147 events->sctp_address_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2150 events->sctp_send_failure_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2153 events->sctp_peer_error_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2156 events->sctp_shutdown_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2159 events->sctp_partial_delivery_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2162 events->sctp_adaptation_layer_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2165 events->sctp_authentication_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2168 events->sctp_sender_dry_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2171 events->sctp_stream_reset_event = 1; 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(struct sctp_event_subscribe); 2174 break; 2175 } 2176 case SCTP_ADAPTATION_LAYER: 2177 { 2178 uint32_t *value; 2179 2180 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2181 2182 SCTP_INP_RLOCK(inp); 2183 *value = inp->sctp_ep.adaptation_layer_indicator; 2184 SCTP_INP_RUNLOCK(inp); 2185 *optsize = sizeof(uint32_t); 2186 break; 2187 } 2188 case SCTP_SET_INITIAL_DBG_SEQ: 2189 { 2190 uint32_t *value; 2191 2192 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2193 SCTP_INP_RLOCK(inp); 2194 *value = inp->sctp_ep.initial_sequence_debug; 2195 SCTP_INP_RUNLOCK(inp); 2196 *optsize = sizeof(uint32_t); 2197 break; 2198 } 2199 case SCTP_GET_LOCAL_ADDR_SIZE: 2200 { 2201 uint32_t *value; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 SCTP_INP_RLOCK(inp); 2205 *value = sctp_count_max_addresses(inp); 2206 SCTP_INP_RUNLOCK(inp); 2207 *optsize = sizeof(uint32_t); 2208 break; 2209 } 2210 case SCTP_GET_REMOTE_ADDR_SIZE: 2211 { 2212 uint32_t *value; 2213 size_t size; 2214 struct sctp_nets *net; 2215 2216 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2217 /* FIXME MT: change to sctp_assoc_value? */ 2218 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2219 2220 if (stcb) { 2221 size = 0; 2222 /* Count the sizes */ 2223 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2224 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2225 size += sizeof(struct sockaddr_in6); 2226 } else { 2227 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2228#ifdef INET 2229 case AF_INET: 2230 size += sizeof(struct sockaddr_in); 2231 break; 2232#endif 2233#ifdef INET6 2234 case AF_INET6: 2235 size += sizeof(struct sockaddr_in6); 2236 break; 2237#endif 2238 default: 2239 break; 2240 } 2241 } 2242 } 2243 SCTP_TCB_UNLOCK(stcb); 2244 *value = (uint32_t) size; 2245 *optsize = sizeof(uint32_t); 2246 } else { 2247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2248 error = ENOTCONN; 2249 } 2250 break; 2251 } 2252 case SCTP_GET_PEER_ADDRESSES: 2253 /* 2254 * Get the address information, an array is passed in to 2255 * fill up we pack it. 2256 */ 2257 { 2258 size_t cpsz, left; 2259 struct sockaddr_storage *sas; 2260 struct sctp_nets *net; 2261 struct sctp_getaddresses *saddr; 2262 2263 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2264 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2265 2266 if (stcb) { 2267 left = (*optsize) - sizeof(struct sctp_getaddresses); 2268 *optsize = sizeof(struct sctp_getaddresses); 2269 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2270 2271 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2272 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2273 cpsz = sizeof(struct sockaddr_in6); 2274 } else { 2275 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2276#ifdef INET 2277 case AF_INET: 2278 cpsz = sizeof(struct sockaddr_in); 2279 break; 2280#endif 2281#ifdef INET6 2282 case AF_INET6: 2283 cpsz = sizeof(struct sockaddr_in6); 2284 break; 2285#endif 2286 default: 2287 cpsz = 0; 2288 break; 2289 } 2290 } 2291 if (cpsz == 0) { 2292 break; 2293 } 2294 if (left < cpsz) { 2295 /* not enough room. */ 2296 break; 2297 } 2298#if defined(INET) && defined(INET6) 2299 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2300 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2301 /* Must map the address */ 2302 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2303 (struct sockaddr_in6 *)sas); 2304 } else { 2305#endif 2306 memcpy(sas, &net->ro._l_addr, cpsz); 2307#if defined(INET) && defined(INET6) 2308 } 2309#endif 2310 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2311 2312 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2313 left -= cpsz; 2314 *optsize += cpsz; 2315 } 2316 SCTP_TCB_UNLOCK(stcb); 2317 } else { 2318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2319 error = ENOENT; 2320 } 2321 break; 2322 } 2323 case SCTP_GET_LOCAL_ADDRESSES: 2324 { 2325 size_t limit, actual; 2326 struct sockaddr_storage *sas; 2327 struct sctp_getaddresses *saddr; 2328 2329 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2330 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2331 2332 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2333 limit = *optsize - sizeof(sctp_assoc_t); 2334 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2335 if (stcb) { 2336 SCTP_TCB_UNLOCK(stcb); 2337 } 2338 *optsize = sizeof(struct sockaddr_storage) + actual; 2339 break; 2340 } 2341 case SCTP_PEER_ADDR_PARAMS: 2342 { 2343 struct sctp_paddrparams *paddrp; 2344 struct sctp_nets *net; 2345 2346 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2347 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2348 2349 net = NULL; 2350 if (stcb) { 2351 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2352 } else { 2353 /* 2354 * We increment here since 2355 * sctp_findassociation_ep_addr() wil do a 2356 * decrement if it finds the stcb as long as 2357 * the locked tcb (last argument) is NOT a 2358 * TCB.. aka NULL. 2359 */ 2360 SCTP_INP_INCR_REF(inp); 2361 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2362 if (stcb == NULL) { 2363 SCTP_INP_DECR_REF(inp); 2364 } 2365 } 2366 if (stcb && (net == NULL)) { 2367 struct sockaddr *sa; 2368 2369 sa = (struct sockaddr *)&paddrp->spp_address; 2370#ifdef INET 2371 if (sa->sa_family == AF_INET) { 2372 struct sockaddr_in *sin; 2373 2374 sin = (struct sockaddr_in *)sa; 2375 if (sin->sin_addr.s_addr) { 2376 error = EINVAL; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } else 2382#endif 2383#ifdef INET6 2384 if (sa->sa_family == AF_INET6) { 2385 struct sockaddr_in6 *sin6; 2386 2387 sin6 = (struct sockaddr_in6 *)sa; 2388 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2389 error = EINVAL; 2390 SCTP_TCB_UNLOCK(stcb); 2391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2392 break; 2393 } 2394 } else 2395#endif 2396 { 2397 error = EAFNOSUPPORT; 2398 SCTP_TCB_UNLOCK(stcb); 2399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2400 break; 2401 } 2402 } 2403 if (stcb) { 2404 /* Applies to the specific association */ 2405 paddrp->spp_flags = 0; 2406 if (net) { 2407 int ovh; 2408 2409 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2410 ovh = SCTP_MED_OVERHEAD; 2411 } else { 2412 ovh = SCTP_MED_V4_OVERHEAD; 2413 } 2414 2415 paddrp->spp_hbinterval = net->heart_beat_delay; 2416 paddrp->spp_pathmaxrxt = net->failure_threshold; 2417 paddrp->spp_pathmtu = net->mtu - ovh; 2418 /* get flags for HB */ 2419 if (net->dest_state & SCTP_ADDR_NOHB) { 2420 paddrp->spp_flags |= SPP_HB_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_HB_ENABLE; 2423 } 2424 /* get flags for PMTU */ 2425 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2426 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2427 } else { 2428 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2429 } 2430 if (net->dscp & 0x01) { 2431 paddrp->spp_dscp = net->dscp & 0xfc; 2432 paddrp->spp_flags |= SPP_DSCP; 2433 } 2434#ifdef INET6 2435 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2436 (net->flowlabel & 0x80000000)) { 2437 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2438 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2439 } 2440#endif 2441 } else { 2442 /* 2443 * No destination so return default 2444 * value 2445 */ 2446 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2447 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2448 if (stcb->asoc.default_dscp & 0x01) { 2449 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2450 paddrp->spp_flags |= SPP_DSCP; 2451 } 2452#ifdef INET6 2453 if (stcb->asoc.default_flowlabel & 0x80000000) { 2454 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2455 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2456 } 2457#endif 2458 /* default settings should be these */ 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2460 paddrp->spp_flags |= SPP_HB_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_HB_ENABLE; 2463 } 2464 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2465 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2466 } else { 2467 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2468 } 2469 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2470 } 2471 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2472 SCTP_TCB_UNLOCK(stcb); 2473 } else { 2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2476 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2477 /* Use endpoint defaults */ 2478 SCTP_INP_RLOCK(inp); 2479 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2480 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2481 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2482 /* get inp's default */ 2483 if (inp->sctp_ep.default_dscp & 0x01) { 2484 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2485 paddrp->spp_flags |= SPP_DSCP; 2486 } 2487#ifdef INET6 2488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2489 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2490 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2491 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2492 } 2493#endif 2494 /* can't return this */ 2495 paddrp->spp_pathmtu = 0; 2496 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2498 paddrp->spp_flags |= SPP_HB_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_HB_DISABLE; 2501 } 2502 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2503 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2504 } else { 2505 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2506 } 2507 SCTP_INP_RUNLOCK(inp); 2508 } else { 2509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2510 error = EINVAL; 2511 } 2512 } 2513 if (error == 0) { 2514 *optsize = sizeof(struct sctp_paddrparams); 2515 } 2516 break; 2517 } 2518 case SCTP_GET_PEER_ADDR_INFO: 2519 { 2520 struct sctp_paddrinfo *paddri; 2521 struct sctp_nets *net; 2522 2523 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2524 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2525 2526 net = NULL; 2527 if (stcb) { 2528 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2529 } else { 2530 /* 2531 * We increment here since 2532 * sctp_findassociation_ep_addr() wil do a 2533 * decrement if it finds the stcb as long as 2534 * the locked tcb (last argument) is NOT a 2535 * TCB.. aka NULL. 2536 */ 2537 SCTP_INP_INCR_REF(inp); 2538 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2539 if (stcb == NULL) { 2540 SCTP_INP_DECR_REF(inp); 2541 } 2542 } 2543 2544 if ((stcb) && (net)) { 2545 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2546 /* It's unconfirmed */ 2547 paddri->spinfo_state = SCTP_UNCONFIRMED; 2548 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2549 /* It's active */ 2550 paddri->spinfo_state = SCTP_ACTIVE; 2551 } else { 2552 /* It's inactive */ 2553 paddri->spinfo_state = SCTP_INACTIVE; 2554 } 2555 paddri->spinfo_cwnd = net->cwnd; 2556 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2557 paddri->spinfo_rto = net->RTO; 2558 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2559 paddri->spinfo_mtu = net->mtu; 2560 SCTP_TCB_UNLOCK(stcb); 2561 *optsize = sizeof(struct sctp_paddrinfo); 2562 } else { 2563 if (stcb) { 2564 SCTP_TCB_UNLOCK(stcb); 2565 } 2566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2567 error = ENOENT; 2568 } 2569 break; 2570 } 2571 case SCTP_PCB_STATUS: 2572 { 2573 struct sctp_pcbinfo *spcb; 2574 2575 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2576 sctp_fill_pcbinfo(spcb); 2577 *optsize = sizeof(struct sctp_pcbinfo); 2578 break; 2579 } 2580 case SCTP_STATUS: 2581 { 2582 struct sctp_nets *net; 2583 struct sctp_status *sstat; 2584 2585 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2586 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2587 2588 if (stcb == NULL) { 2589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2590 error = EINVAL; 2591 break; 2592 } 2593 /* 2594 * I think passing the state is fine since 2595 * sctp_constants.h will be available to the user 2596 * land. 2597 */ 2598 sstat->sstat_state = stcb->asoc.state; 2599 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2600 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2601 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2602 /* 2603 * We can't include chunks that have been passed to 2604 * the socket layer. Only things in queue. 2605 */ 2606 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2607 stcb->asoc.cnt_on_all_streams); 2608 2609 2610 sstat->sstat_instrms = stcb->asoc.streamincnt; 2611 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2612 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2613 memcpy(&sstat->sstat_primary.spinfo_address, 2614 &stcb->asoc.primary_destination->ro._l_addr, 2615 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2616 net = stcb->asoc.primary_destination; 2617 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2618 /* 2619 * Again the user can get info from sctp_constants.h 2620 * for what the state of the network is. 2621 */ 2622 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2623 /* It's unconfirmed */ 2624 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2625 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2626 /* It's active */ 2627 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2628 } else { 2629 /* It's inactive */ 2630 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2631 } 2632 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2633 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2634 sstat->sstat_primary.spinfo_rto = net->RTO; 2635 sstat->sstat_primary.spinfo_mtu = net->mtu; 2636 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2637 SCTP_TCB_UNLOCK(stcb); 2638 *optsize = sizeof(struct sctp_status); 2639 break; 2640 } 2641 case SCTP_RTOINFO: 2642 { 2643 struct sctp_rtoinfo *srto; 2644 2645 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2646 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2647 2648 if (stcb) { 2649 srto->srto_initial = stcb->asoc.initial_rto; 2650 srto->srto_max = stcb->asoc.maxrto; 2651 srto->srto_min = stcb->asoc.minrto; 2652 SCTP_TCB_UNLOCK(stcb); 2653 } else { 2654 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2655 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2656 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2657 SCTP_INP_RLOCK(inp); 2658 srto->srto_initial = inp->sctp_ep.initial_rto; 2659 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2660 srto->srto_min = inp->sctp_ep.sctp_minrto; 2661 SCTP_INP_RUNLOCK(inp); 2662 } else { 2663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2664 error = EINVAL; 2665 } 2666 } 2667 if (error == 0) { 2668 *optsize = sizeof(struct sctp_rtoinfo); 2669 } 2670 break; 2671 } 2672 case SCTP_TIMEOUTS: 2673 { 2674 struct sctp_timeouts *stimo; 2675 2676 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2677 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2678 2679 if (stcb) { 2680 stimo->stimo_init = stcb->asoc.timoinit; 2681 stimo->stimo_data = stcb->asoc.timodata; 2682 stimo->stimo_sack = stcb->asoc.timosack; 2683 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2684 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2685 stimo->stimo_cookie = stcb->asoc.timocookie; 2686 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2687 SCTP_TCB_UNLOCK(stcb); 2688 *optsize = sizeof(struct sctp_timeouts); 2689 } else { 2690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2691 error = EINVAL; 2692 } 2693 break; 2694 } 2695 case SCTP_ASSOCINFO: 2696 { 2697 struct sctp_assocparams *sasoc; 2698 2699 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2700 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2701 2702 if (stcb) { 2703 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2704 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2705 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2706 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2707 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 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 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2713 SCTP_INP_RLOCK(inp); 2714 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2715 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2716 sasoc->sasoc_number_peer_destinations = 0; 2717 sasoc->sasoc_peer_rwnd = 0; 2718 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2719 SCTP_INP_RUNLOCK(inp); 2720 } else { 2721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2722 error = EINVAL; 2723 } 2724 } 2725 if (error == 0) { 2726 *optsize = sizeof(struct sctp_assocparams); 2727 } 2728 break; 2729 } 2730 case SCTP_DEFAULT_SEND_PARAM: 2731 { 2732 struct sctp_sndrcvinfo *s_info; 2733 2734 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2735 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2736 2737 if (stcb) { 2738 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2739 SCTP_TCB_UNLOCK(stcb); 2740 } else { 2741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2743 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2744 SCTP_INP_RLOCK(inp); 2745 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2746 SCTP_INP_RUNLOCK(inp); 2747 } else { 2748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2749 error = EINVAL; 2750 } 2751 } 2752 if (error == 0) { 2753 *optsize = sizeof(struct sctp_sndrcvinfo); 2754 } 2755 break; 2756 } 2757 case SCTP_INITMSG: 2758 { 2759 struct sctp_initmsg *sinit; 2760 2761 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2762 SCTP_INP_RLOCK(inp); 2763 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2764 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2765 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2766 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2767 SCTP_INP_RUNLOCK(inp); 2768 *optsize = sizeof(struct sctp_initmsg); 2769 break; 2770 } 2771 case SCTP_PRIMARY_ADDR: 2772 /* we allow a "get" operation on this */ 2773 { 2774 struct sctp_setprim *ssp; 2775 2776 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2777 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2778 2779 if (stcb) { 2780 /* simply copy out the sockaddr_storage... */ 2781 int len; 2782 2783 len = *optsize; 2784 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2785 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2786 2787 memcpy(&ssp->ssp_addr, 2788 &stcb->asoc.primary_destination->ro._l_addr, 2789 len); 2790 SCTP_TCB_UNLOCK(stcb); 2791 *optsize = sizeof(struct sctp_setprim); 2792 } else { 2793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2794 error = EINVAL; 2795 } 2796 break; 2797 } 2798 case SCTP_HMAC_IDENT: 2799 { 2800 struct sctp_hmacalgo *shmac; 2801 sctp_hmaclist_t *hmaclist; 2802 uint32_t size; 2803 int i; 2804 2805 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2806 2807 SCTP_INP_RLOCK(inp); 2808 hmaclist = inp->sctp_ep.local_hmacs; 2809 if (hmaclist == NULL) { 2810 /* no HMACs to return */ 2811 *optsize = sizeof(*shmac); 2812 SCTP_INP_RUNLOCK(inp); 2813 break; 2814 } 2815 /* is there room for all of the hmac ids? */ 2816 size = sizeof(*shmac) + (hmaclist->num_algo * 2817 sizeof(shmac->shmac_idents[0])); 2818 if ((size_t)(*optsize) < size) { 2819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2820 error = EINVAL; 2821 SCTP_INP_RUNLOCK(inp); 2822 break; 2823 } 2824 /* copy in the list */ 2825 shmac->shmac_number_of_idents = hmaclist->num_algo; 2826 for (i = 0; i < hmaclist->num_algo; i++) { 2827 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2828 } 2829 SCTP_INP_RUNLOCK(inp); 2830 *optsize = size; 2831 break; 2832 } 2833 case SCTP_AUTH_ACTIVE_KEY: 2834 { 2835 struct sctp_authkeyid *scact; 2836 2837 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2838 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2839 2840 if (stcb) { 2841 /* get the active key on the assoc */ 2842 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2843 SCTP_TCB_UNLOCK(stcb); 2844 } else { 2845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2847 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2848 /* get the endpoint active key */ 2849 SCTP_INP_RLOCK(inp); 2850 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2851 SCTP_INP_RUNLOCK(inp); 2852 } else { 2853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2854 error = EINVAL; 2855 } 2856 } 2857 if (error == 0) { 2858 *optsize = sizeof(struct sctp_authkeyid); 2859 } 2860 break; 2861 } 2862 case SCTP_LOCAL_AUTH_CHUNKS: 2863 { 2864 struct sctp_authchunks *sac; 2865 sctp_auth_chklist_t *chklist = NULL; 2866 size_t size = 0; 2867 2868 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2869 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2870 2871 if (stcb) { 2872 /* get off the assoc */ 2873 chklist = stcb->asoc.local_auth_chunks; 2874 /* is there enough space? */ 2875 size = sctp_auth_get_chklist_size(chklist); 2876 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2877 error = EINVAL; 2878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2879 } else { 2880 /* copy in the chunks */ 2881 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2882 sac->gauth_number_of_chunks = (uint32_t) size; 2883 *optsize = sizeof(struct sctp_authchunks) + size; 2884 } 2885 SCTP_TCB_UNLOCK(stcb); 2886 } else { 2887 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2888 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2889 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2890 /* get off the endpoint */ 2891 SCTP_INP_RLOCK(inp); 2892 chklist = inp->sctp_ep.local_auth_chunks; 2893 /* is there enough space? */ 2894 size = sctp_auth_get_chklist_size(chklist); 2895 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2896 error = EINVAL; 2897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2898 } else { 2899 /* copy in the chunks */ 2900 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2901 sac->gauth_number_of_chunks = (uint32_t) size; 2902 *optsize = sizeof(struct sctp_authchunks) + size; 2903 } 2904 SCTP_INP_RUNLOCK(inp); 2905 } else { 2906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2907 error = EINVAL; 2908 } 2909 } 2910 break; 2911 } 2912 case SCTP_PEER_AUTH_CHUNKS: 2913 { 2914 struct sctp_authchunks *sac; 2915 sctp_auth_chklist_t *chklist = NULL; 2916 size_t size = 0; 2917 2918 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2919 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2920 2921 if (stcb) { 2922 /* get off the assoc */ 2923 chklist = stcb->asoc.peer_auth_chunks; 2924 /* is there enough space? */ 2925 size = sctp_auth_get_chklist_size(chklist); 2926 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2927 error = EINVAL; 2928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2929 } else { 2930 /* copy in the chunks */ 2931 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2932 sac->gauth_number_of_chunks = (uint32_t) size; 2933 *optsize = sizeof(struct sctp_authchunks) + size; 2934 } 2935 SCTP_TCB_UNLOCK(stcb); 2936 } else { 2937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2938 error = ENOENT; 2939 } 2940 break; 2941 } 2942 case SCTP_EVENT: 2943 { 2944 struct sctp_event *event; 2945 uint32_t event_type; 2946 2947 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2948 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2949 2950 switch (event->se_type) { 2951 case SCTP_ASSOC_CHANGE: 2952 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2953 break; 2954 case SCTP_PEER_ADDR_CHANGE: 2955 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2956 break; 2957 case SCTP_REMOTE_ERROR: 2958 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2959 break; 2960 case SCTP_SEND_FAILED: 2961 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2962 break; 2963 case SCTP_SHUTDOWN_EVENT: 2964 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2965 break; 2966 case SCTP_ADAPTATION_INDICATION: 2967 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2968 break; 2969 case SCTP_PARTIAL_DELIVERY_EVENT: 2970 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2971 break; 2972 case SCTP_AUTHENTICATION_EVENT: 2973 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2974 break; 2975 case SCTP_STREAM_RESET_EVENT: 2976 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2977 break; 2978 case SCTP_SENDER_DRY_EVENT: 2979 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2980 break; 2981 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2982 event_type = 0; 2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2984 error = ENOTSUP; 2985 break; 2986 default: 2987 event_type = 0; 2988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2989 error = EINVAL; 2990 break; 2991 } 2992 if (event_type > 0) { 2993 if (stcb) { 2994 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2995 SCTP_TCB_UNLOCK(stcb); 2996 } else { 2997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2999 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3000 SCTP_INP_RLOCK(inp); 3001 event->se_on = sctp_is_feature_on(inp, event_type); 3002 SCTP_INP_RUNLOCK(inp); 3003 } else { 3004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3005 error = EINVAL; 3006 } 3007 } 3008 } 3009 if (error == 0) { 3010 *optsize = sizeof(struct sctp_event); 3011 } 3012 break; 3013 } 3014 case SCTP_RECVRCVINFO: 3015 { 3016 int onoff; 3017 3018 if (*optsize < sizeof(int)) { 3019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3020 error = EINVAL; 3021 } else { 3022 SCTP_INP_RLOCK(inp); 3023 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3024 SCTP_INP_RUNLOCK(inp); 3025 } 3026 if (error == 0) { 3027 /* return the option value */ 3028 *(int *)optval = onoff; 3029 *optsize = sizeof(int); 3030 } 3031 break; 3032 } 3033 case SCTP_RECVNXTINFO: 3034 { 3035 int onoff; 3036 3037 if (*optsize < sizeof(int)) { 3038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3039 error = EINVAL; 3040 } else { 3041 SCTP_INP_RLOCK(inp); 3042 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3043 SCTP_INP_RUNLOCK(inp); 3044 } 3045 if (error == 0) { 3046 /* return the option value */ 3047 *(int *)optval = onoff; 3048 *optsize = sizeof(int); 3049 } 3050 break; 3051 } 3052 case SCTP_DEFAULT_SNDINFO: 3053 { 3054 struct sctp_sndinfo *info; 3055 3056 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3057 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3058 3059 if (stcb) { 3060 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3061 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3062 info->snd_flags &= 0xfff0; 3063 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3064 info->snd_context = stcb->asoc.def_send.sinfo_context; 3065 SCTP_TCB_UNLOCK(stcb); 3066 } else { 3067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3068 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3069 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3070 SCTP_INP_RLOCK(inp); 3071 info->snd_sid = inp->def_send.sinfo_stream; 3072 info->snd_flags = inp->def_send.sinfo_flags; 3073 info->snd_flags &= 0xfff0; 3074 info->snd_ppid = inp->def_send.sinfo_ppid; 3075 info->snd_context = inp->def_send.sinfo_context; 3076 SCTP_INP_RUNLOCK(inp); 3077 } else { 3078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3079 error = EINVAL; 3080 } 3081 } 3082 if (error == 0) { 3083 *optsize = sizeof(struct sctp_sndinfo); 3084 } 3085 break; 3086 } 3087 case SCTP_DEFAULT_PRINFO: 3088 { 3089 struct sctp_default_prinfo *info; 3090 3091 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3092 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3093 3094 if (stcb) { 3095 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3096 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3097 SCTP_TCB_UNLOCK(stcb); 3098 } else { 3099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3101 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3102 SCTP_INP_RLOCK(inp); 3103 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3104 info->pr_value = inp->def_send.sinfo_timetolive; 3105 SCTP_INP_RUNLOCK(inp); 3106 } else { 3107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3108 error = EINVAL; 3109 } 3110 } 3111 if (error == 0) { 3112 *optsize = sizeof(struct sctp_default_prinfo); 3113 } 3114 break; 3115 } 3116 case SCTP_PEER_ADDR_THLDS: 3117 { 3118 struct sctp_paddrthlds *thlds; 3119 struct sctp_nets *net; 3120 3121 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3122 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3123 3124 net = NULL; 3125 if (stcb) { 3126 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3127 } else { 3128 /* 3129 * We increment here since 3130 * sctp_findassociation_ep_addr() wil do a 3131 * decrement if it finds the stcb as long as 3132 * the locked tcb (last argument) is NOT a 3133 * TCB.. aka NULL. 3134 */ 3135 SCTP_INP_INCR_REF(inp); 3136 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3137 if (stcb == NULL) { 3138 SCTP_INP_DECR_REF(inp); 3139 } 3140 } 3141 if (stcb && (net == NULL)) { 3142 struct sockaddr *sa; 3143 3144 sa = (struct sockaddr *)&thlds->spt_address; 3145#ifdef INET 3146 if (sa->sa_family == AF_INET) { 3147 struct sockaddr_in *sin; 3148 3149 sin = (struct sockaddr_in *)sa; 3150 if (sin->sin_addr.s_addr) { 3151 error = EINVAL; 3152 SCTP_TCB_UNLOCK(stcb); 3153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3154 break; 3155 } 3156 } else 3157#endif 3158#ifdef INET6 3159 if (sa->sa_family == AF_INET6) { 3160 struct sockaddr_in6 *sin6; 3161 3162 sin6 = (struct sockaddr_in6 *)sa; 3163 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3164 error = EINVAL; 3165 SCTP_TCB_UNLOCK(stcb); 3166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3167 break; 3168 } 3169 } else 3170#endif 3171 { 3172 error = EAFNOSUPPORT; 3173 SCTP_TCB_UNLOCK(stcb); 3174 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3175 break; 3176 } 3177 } 3178 if (stcb) { 3179 if (net) { 3180 thlds->spt_pathmaxrxt = net->failure_threshold; 3181 thlds->spt_pathpfthld = net->pf_threshold; 3182 } else { 3183 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3184 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3185 } 3186 thlds->spt_assoc_id = sctp_get_associd(stcb); 3187 SCTP_TCB_UNLOCK(stcb); 3188 } else { 3189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3191 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3192 /* Use endpoint defaults */ 3193 SCTP_INP_RLOCK(inp); 3194 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3195 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3196 SCTP_INP_RUNLOCK(inp); 3197 } else { 3198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3199 error = EINVAL; 3200 } 3201 } 3202 if (error == 0) { 3203 *optsize = sizeof(struct sctp_paddrthlds); 3204 } 3205 break; 3206 } 3207 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3208 { 3209 struct sctp_udpencaps *encaps; 3210 struct sctp_nets *net; 3211 3212 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3213 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3214 3215 if (stcb) { 3216 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3217 } else { 3218 /* 3219 * We increment here since 3220 * sctp_findassociation_ep_addr() wil do a 3221 * decrement if it finds the stcb as long as 3222 * the locked tcb (last argument) is NOT a 3223 * TCB.. aka NULL. 3224 */ 3225 net = NULL; 3226 SCTP_INP_INCR_REF(inp); 3227 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3228 if (stcb == NULL) { 3229 SCTP_INP_DECR_REF(inp); 3230 } 3231 } 3232 if (stcb && (net == NULL)) { 3233 struct sockaddr *sa; 3234 3235 sa = (struct sockaddr *)&encaps->sue_address; 3236#ifdef INET 3237 if (sa->sa_family == AF_INET) { 3238 struct sockaddr_in *sin; 3239 3240 sin = (struct sockaddr_in *)sa; 3241 if (sin->sin_addr.s_addr) { 3242 error = EINVAL; 3243 SCTP_TCB_UNLOCK(stcb); 3244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3245 break; 3246 } 3247 } else 3248#endif 3249#ifdef INET6 3250 if (sa->sa_family == AF_INET6) { 3251 struct sockaddr_in6 *sin6; 3252 3253 sin6 = (struct sockaddr_in6 *)sa; 3254 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3255 error = EINVAL; 3256 SCTP_TCB_UNLOCK(stcb); 3257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3258 break; 3259 } 3260 } else 3261#endif 3262 { 3263 error = EAFNOSUPPORT; 3264 SCTP_TCB_UNLOCK(stcb); 3265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3266 break; 3267 } 3268 } 3269 if (stcb) { 3270 if (net) { 3271 encaps->sue_port = net->port; 3272 } else { 3273 encaps->sue_port = stcb->asoc.port; 3274 } 3275 SCTP_TCB_UNLOCK(stcb); 3276 } else { 3277 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3278 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3279 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3280 SCTP_INP_RLOCK(inp); 3281 encaps->sue_port = inp->sctp_ep.port; 3282 SCTP_INP_RUNLOCK(inp); 3283 } else { 3284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3285 error = EINVAL; 3286 } 3287 } 3288 if (error == 0) { 3289 *optsize = sizeof(struct sctp_paddrparams); 3290 } 3291 break; 3292 } 3293 default: 3294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3295 error = ENOPROTOOPT; 3296 break; 3297 } /* end switch (sopt->sopt_name) */ 3298 if (error) { 3299 *optsize = 0; 3300 } 3301 return (error); 3302} 3303 3304static int 3305sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3306 void *p) 3307{ 3308 int error, set_opt; 3309 uint32_t *mopt; 3310 struct sctp_tcb *stcb = NULL; 3311 struct sctp_inpcb *inp = NULL; 3312 uint32_t vrf_id; 3313 3314 if (optval == NULL) { 3315 SCTP_PRINTF("optval is NULL\n"); 3316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3317 return (EINVAL); 3318 } 3319 inp = (struct sctp_inpcb *)so->so_pcb; 3320 if (inp == NULL) { 3321 SCTP_PRINTF("inp is NULL?\n"); 3322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3323 return (EINVAL); 3324 } 3325 vrf_id = inp->def_vrf_id; 3326 3327 error = 0; 3328 switch (optname) { 3329 case SCTP_NODELAY: 3330 case SCTP_AUTOCLOSE: 3331 case SCTP_AUTO_ASCONF: 3332 case SCTP_EXPLICIT_EOR: 3333 case SCTP_DISABLE_FRAGMENTS: 3334 case SCTP_USE_EXT_RCVINFO: 3335 case SCTP_I_WANT_MAPPED_V4_ADDR: 3336 /* copy in the option value */ 3337 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3338 set_opt = 0; 3339 if (error) 3340 break; 3341 switch (optname) { 3342 case SCTP_DISABLE_FRAGMENTS: 3343 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3344 break; 3345 case SCTP_AUTO_ASCONF: 3346 /* 3347 * NOTE: we don't really support this flag 3348 */ 3349 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3350 /* only valid for bound all sockets */ 3351 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3352 (*mopt != 0)) { 3353 /* forbidden by admin */ 3354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3355 return (EPERM); 3356 } 3357 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3358 } else { 3359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3360 return (EINVAL); 3361 } 3362 break; 3363 case SCTP_EXPLICIT_EOR: 3364 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3365 break; 3366 case SCTP_USE_EXT_RCVINFO: 3367 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3368 break; 3369 case SCTP_I_WANT_MAPPED_V4_ADDR: 3370 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3371 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3372 } else { 3373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3374 return (EINVAL); 3375 } 3376 break; 3377 case SCTP_NODELAY: 3378 set_opt = SCTP_PCB_FLAGS_NODELAY; 3379 break; 3380 case SCTP_AUTOCLOSE: 3381 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3382 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3384 return (EINVAL); 3385 } 3386 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3387 /* 3388 * The value is in ticks. Note this does not effect 3389 * old associations, only new ones. 3390 */ 3391 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3392 break; 3393 } 3394 SCTP_INP_WLOCK(inp); 3395 if (*mopt != 0) { 3396 sctp_feature_on(inp, set_opt); 3397 } else { 3398 sctp_feature_off(inp, set_opt); 3399 } 3400 SCTP_INP_WUNLOCK(inp); 3401 break; 3402 case SCTP_REUSE_PORT: 3403 { 3404 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3405 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3406 /* Can't set it after we are bound */ 3407 error = EINVAL; 3408 break; 3409 } 3410 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3411 /* Can't do this for a 1-m socket */ 3412 error = EINVAL; 3413 break; 3414 } 3415 if (optval) 3416 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3417 else 3418 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3419 break; 3420 } 3421 case SCTP_PARTIAL_DELIVERY_POINT: 3422 { 3423 uint32_t *value; 3424 3425 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3426 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3428 error = EINVAL; 3429 break; 3430 } 3431 inp->partial_delivery_point = *value; 3432 break; 3433 } 3434 case SCTP_FRAGMENT_INTERLEAVE: 3435 /* not yet until we re-write sctp_recvmsg() */ 3436 { 3437 uint32_t *level; 3438 3439 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3440 if (*level == SCTP_FRAG_LEVEL_2) { 3441 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3442 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3443 } else if (*level == SCTP_FRAG_LEVEL_1) { 3444 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3445 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3446 } else if (*level == SCTP_FRAG_LEVEL_0) { 3447 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3448 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3449 3450 } else { 3451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3452 error = EINVAL; 3453 } 3454 break; 3455 } 3456 case SCTP_CMT_ON_OFF: 3457 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3458 struct sctp_assoc_value *av; 3459 3460 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3461 if (av->assoc_value > SCTP_CMT_MAX) { 3462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3463 error = EINVAL; 3464 break; 3465 } 3466 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3467 if (stcb) { 3468 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3469 SCTP_TCB_UNLOCK(stcb); 3470 } else { 3471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3473 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3474 (av->assoc_id == SCTP_ALL_ASSOC)) { 3475 SCTP_INP_WLOCK(inp); 3476 inp->sctp_cmt_on_off = av->assoc_value; 3477 SCTP_INP_WUNLOCK(inp); 3478 } 3479 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3480 (av->assoc_id == SCTP_ALL_ASSOC)) { 3481 SCTP_INP_RLOCK(inp); 3482 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3483 SCTP_TCB_LOCK(stcb); 3484 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3485 SCTP_TCB_UNLOCK(stcb); 3486 } 3487 SCTP_INP_RUNLOCK(inp); 3488 } 3489 } 3490 } else { 3491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3492 error = ENOPROTOOPT; 3493 } 3494 break; 3495 case SCTP_PLUGGABLE_CC: 3496 { 3497 struct sctp_assoc_value *av; 3498 struct sctp_nets *net; 3499 3500 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3501 if ((av->assoc_value != SCTP_CC_RFC2581) && 3502 (av->assoc_value != SCTP_CC_HSTCP) && 3503 (av->assoc_value != SCTP_CC_HTCP) && 3504 (av->assoc_value != SCTP_CC_RTCC)) { 3505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3506 error = EINVAL; 3507 break; 3508 } 3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3510 if (stcb) { 3511 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3512 stcb->asoc.congestion_control_module = av->assoc_value; 3513 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3515 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3516 } 3517 } 3518 SCTP_TCB_UNLOCK(stcb); 3519 } else { 3520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3522 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3523 (av->assoc_id == SCTP_ALL_ASSOC)) { 3524 SCTP_INP_WLOCK(inp); 3525 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3526 SCTP_INP_WUNLOCK(inp); 3527 } 3528 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3529 (av->assoc_id == SCTP_ALL_ASSOC)) { 3530 SCTP_INP_RLOCK(inp); 3531 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3532 SCTP_TCB_LOCK(stcb); 3533 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3534 stcb->asoc.congestion_control_module = av->assoc_value; 3535 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3536 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3537 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3538 } 3539 } 3540 SCTP_TCB_UNLOCK(stcb); 3541 } 3542 SCTP_INP_RUNLOCK(inp); 3543 } 3544 } 3545 break; 3546 } 3547 case SCTP_CC_OPTION: 3548 { 3549 struct sctp_cc_option *cc_opt; 3550 3551 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3552 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3553 if (stcb == NULL) { 3554 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3555 SCTP_INP_RLOCK(inp); 3556 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3557 SCTP_TCB_LOCK(stcb); 3558 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3559 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3560 } 3561 SCTP_TCB_UNLOCK(stcb); 3562 } 3563 SCTP_INP_RUNLOCK(inp); 3564 } else { 3565 error = EINVAL; 3566 } 3567 } else { 3568 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3569 error = ENOTSUP; 3570 } else { 3571 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3572 cc_opt); 3573 } 3574 SCTP_TCB_UNLOCK(stcb); 3575 } 3576 break; 3577 } 3578 case SCTP_PLUGGABLE_SS: 3579 { 3580 struct sctp_assoc_value *av; 3581 3582 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3583 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3584 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3585 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3586 (av->assoc_value != SCTP_SS_PRIORITY) && 3587 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3588 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3590 error = EINVAL; 3591 break; 3592 } 3593 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3594 if (stcb) { 3595 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3596 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3597 stcb->asoc.stream_scheduling_module = av->assoc_value; 3598 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3599 SCTP_TCB_UNLOCK(stcb); 3600 } else { 3601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3603 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3604 (av->assoc_id == SCTP_ALL_ASSOC)) { 3605 SCTP_INP_WLOCK(inp); 3606 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3607 SCTP_INP_WUNLOCK(inp); 3608 } 3609 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3610 (av->assoc_id == SCTP_ALL_ASSOC)) { 3611 SCTP_INP_RLOCK(inp); 3612 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3613 SCTP_TCB_LOCK(stcb); 3614 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3615 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3616 stcb->asoc.stream_scheduling_module = av->assoc_value; 3617 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3618 SCTP_TCB_UNLOCK(stcb); 3619 } 3620 SCTP_INP_RUNLOCK(inp); 3621 } 3622 } 3623 break; 3624 } 3625 case SCTP_SS_VALUE: 3626 { 3627 struct sctp_stream_value *av; 3628 3629 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3630 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3631 if (stcb) { 3632 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3633 av->stream_value) < 0) { 3634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3635 error = EINVAL; 3636 } 3637 SCTP_TCB_UNLOCK(stcb); 3638 } else { 3639 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3640 SCTP_INP_RLOCK(inp); 3641 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3642 SCTP_TCB_LOCK(stcb); 3643 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3644 &stcb->asoc, 3645 &stcb->asoc.strmout[av->stream_id], 3646 av->stream_value); 3647 SCTP_TCB_UNLOCK(stcb); 3648 } 3649 SCTP_INP_RUNLOCK(inp); 3650 3651 } else { 3652 /* 3653 * Can't set stream value without 3654 * association 3655 */ 3656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3657 error = EINVAL; 3658 } 3659 } 3660 break; 3661 } 3662 case SCTP_CLR_STAT_LOG: 3663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3664 error = EOPNOTSUPP; 3665 break; 3666 case SCTP_CONTEXT: 3667 { 3668 struct sctp_assoc_value *av; 3669 3670 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3671 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3672 3673 if (stcb) { 3674 stcb->asoc.context = av->assoc_value; 3675 SCTP_TCB_UNLOCK(stcb); 3676 } else { 3677 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3678 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3679 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3680 (av->assoc_id == SCTP_ALL_ASSOC)) { 3681 SCTP_INP_WLOCK(inp); 3682 inp->sctp_context = av->assoc_value; 3683 SCTP_INP_WUNLOCK(inp); 3684 } 3685 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3686 (av->assoc_id == SCTP_ALL_ASSOC)) { 3687 SCTP_INP_RLOCK(inp); 3688 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3689 SCTP_TCB_LOCK(stcb); 3690 stcb->asoc.context = av->assoc_value; 3691 SCTP_TCB_UNLOCK(stcb); 3692 } 3693 SCTP_INP_RUNLOCK(inp); 3694 } 3695 } 3696 break; 3697 } 3698 case SCTP_VRF_ID: 3699 { 3700 uint32_t *default_vrfid; 3701 3702 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3703 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3705 error = EINVAL; 3706 break; 3707 } 3708 inp->def_vrf_id = *default_vrfid; 3709 break; 3710 } 3711 case SCTP_DEL_VRF_ID: 3712 { 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3714 error = EOPNOTSUPP; 3715 break; 3716 } 3717 case SCTP_ADD_VRF_ID: 3718 { 3719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3720 error = EOPNOTSUPP; 3721 break; 3722 } 3723 case SCTP_DELAYED_SACK: 3724 { 3725 struct sctp_sack_info *sack; 3726 3727 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3728 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3729 if (sack->sack_delay) { 3730 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3731 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3732 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3733 sack->sack_delay = TICKS_TO_MSEC(1); 3734 } 3735 } 3736 if (stcb) { 3737 if (sack->sack_delay) { 3738 stcb->asoc.delayed_ack = sack->sack_delay; 3739 } 3740 if (sack->sack_freq) { 3741 stcb->asoc.sack_freq = sack->sack_freq; 3742 } 3743 SCTP_TCB_UNLOCK(stcb); 3744 } else { 3745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3747 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3748 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3749 SCTP_INP_WLOCK(inp); 3750 if (sack->sack_delay) { 3751 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3752 } 3753 if (sack->sack_freq) { 3754 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3755 } 3756 SCTP_INP_WUNLOCK(inp); 3757 } 3758 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3759 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3760 SCTP_INP_RLOCK(inp); 3761 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3762 SCTP_TCB_LOCK(stcb); 3763 if (sack->sack_delay) { 3764 stcb->asoc.delayed_ack = sack->sack_delay; 3765 } 3766 if (sack->sack_freq) { 3767 stcb->asoc.sack_freq = sack->sack_freq; 3768 } 3769 SCTP_TCB_UNLOCK(stcb); 3770 } 3771 SCTP_INP_RUNLOCK(inp); 3772 } 3773 } 3774 break; 3775 } 3776 case SCTP_AUTH_CHUNK: 3777 { 3778 struct sctp_authchunk *sauth; 3779 3780 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3781 3782 SCTP_INP_WLOCK(inp); 3783 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3785 error = EINVAL; 3786 } 3787 SCTP_INP_WUNLOCK(inp); 3788 break; 3789 } 3790 case SCTP_AUTH_KEY: 3791 { 3792 struct sctp_authkey *sca; 3793 struct sctp_keyhead *shared_keys; 3794 sctp_sharedkey_t *shared_key; 3795 sctp_key_t *key = NULL; 3796 size_t size; 3797 3798 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3799 if (sca->sca_keylength == 0) { 3800 size = optsize - sizeof(struct sctp_authkey); 3801 } else { 3802 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3803 size = sca->sca_keylength; 3804 } else { 3805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3806 error = EINVAL; 3807 break; 3808 } 3809 } 3810 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3811 3812 if (stcb) { 3813 shared_keys = &stcb->asoc.shared_keys; 3814 /* clear the cached keys for this key id */ 3815 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3816 /* 3817 * create the new shared key and 3818 * insert/replace it 3819 */ 3820 if (size > 0) { 3821 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3822 if (key == NULL) { 3823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3824 error = ENOMEM; 3825 SCTP_TCB_UNLOCK(stcb); 3826 break; 3827 } 3828 } 3829 shared_key = sctp_alloc_sharedkey(); 3830 if (shared_key == NULL) { 3831 sctp_free_key(key); 3832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3833 error = ENOMEM; 3834 SCTP_TCB_UNLOCK(stcb); 3835 break; 3836 } 3837 shared_key->key = key; 3838 shared_key->keyid = sca->sca_keynumber; 3839 error = sctp_insert_sharedkey(shared_keys, shared_key); 3840 SCTP_TCB_UNLOCK(stcb); 3841 } else { 3842 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3843 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3844 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3845 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3846 SCTP_INP_WLOCK(inp); 3847 shared_keys = &inp->sctp_ep.shared_keys; 3848 /* 3849 * clear the cached keys on all 3850 * assocs for this key id 3851 */ 3852 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3853 /* 3854 * create the new shared key and 3855 * insert/replace it 3856 */ 3857 if (size > 0) { 3858 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3859 if (key == NULL) { 3860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3861 error = ENOMEM; 3862 SCTP_INP_WUNLOCK(inp); 3863 break; 3864 } 3865 } 3866 shared_key = sctp_alloc_sharedkey(); 3867 if (shared_key == NULL) { 3868 sctp_free_key(key); 3869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3870 error = ENOMEM; 3871 SCTP_INP_WUNLOCK(inp); 3872 break; 3873 } 3874 shared_key->key = key; 3875 shared_key->keyid = sca->sca_keynumber; 3876 error = sctp_insert_sharedkey(shared_keys, shared_key); 3877 SCTP_INP_WUNLOCK(inp); 3878 } 3879 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3880 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3881 SCTP_INP_RLOCK(inp); 3882 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3883 SCTP_TCB_LOCK(stcb); 3884 shared_keys = &stcb->asoc.shared_keys; 3885 /* 3886 * clear the cached keys for 3887 * this key id 3888 */ 3889 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3890 /* 3891 * create the new shared key 3892 * and insert/replace it 3893 */ 3894 if (size > 0) { 3895 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3896 if (key == NULL) { 3897 SCTP_TCB_UNLOCK(stcb); 3898 continue; 3899 } 3900 } 3901 shared_key = sctp_alloc_sharedkey(); 3902 if (shared_key == NULL) { 3903 sctp_free_key(key); 3904 SCTP_TCB_UNLOCK(stcb); 3905 continue; 3906 } 3907 shared_key->key = key; 3908 shared_key->keyid = sca->sca_keynumber; 3909 error = sctp_insert_sharedkey(shared_keys, shared_key); 3910 SCTP_TCB_UNLOCK(stcb); 3911 } 3912 SCTP_INP_RUNLOCK(inp); 3913 } 3914 } 3915 break; 3916 } 3917 case SCTP_HMAC_IDENT: 3918 { 3919 struct sctp_hmacalgo *shmac; 3920 sctp_hmaclist_t *hmaclist; 3921 uint16_t hmacid; 3922 uint32_t i; 3923 size_t found; 3924 3925 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3926 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 break; 3930 } 3931 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3932 if (hmaclist == NULL) { 3933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3934 error = ENOMEM; 3935 break; 3936 } 3937 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3938 hmacid = shmac->shmac_idents[i]; 3939 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3940 /* invalid HMACs were found */ ; 3941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3942 error = EINVAL; 3943 sctp_free_hmaclist(hmaclist); 3944 goto sctp_set_hmac_done; 3945 } 3946 } 3947 found = 0; 3948 for (i = 0; i < hmaclist->num_algo; i++) { 3949 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3950 /* already in list */ 3951 found = 1; 3952 } 3953 } 3954 if (!found) { 3955 sctp_free_hmaclist(hmaclist); 3956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3957 error = EINVAL; 3958 break; 3959 } 3960 /* set it on the endpoint */ 3961 SCTP_INP_WLOCK(inp); 3962 if (inp->sctp_ep.local_hmacs) 3963 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3964 inp->sctp_ep.local_hmacs = hmaclist; 3965 SCTP_INP_WUNLOCK(inp); 3966 sctp_set_hmac_done: 3967 break; 3968 } 3969 case SCTP_AUTH_ACTIVE_KEY: 3970 { 3971 struct sctp_authkeyid *scact; 3972 3973 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3974 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3975 3976 /* set the active key on the right place */ 3977 if (stcb) { 3978 /* set the active key on the assoc */ 3979 if (sctp_auth_setactivekey(stcb, 3980 scact->scact_keynumber)) { 3981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3982 SCTP_FROM_SCTP_USRREQ, 3983 EINVAL); 3984 error = EINVAL; 3985 } 3986 SCTP_TCB_UNLOCK(stcb); 3987 } else { 3988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3989 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3990 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3991 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3992 SCTP_INP_WLOCK(inp); 3993 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 3994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3995 error = EINVAL; 3996 } 3997 SCTP_INP_WUNLOCK(inp); 3998 } 3999 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4000 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4001 SCTP_INP_RLOCK(inp); 4002 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4003 SCTP_TCB_LOCK(stcb); 4004 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4005 SCTP_TCB_UNLOCK(stcb); 4006 } 4007 SCTP_INP_RUNLOCK(inp); 4008 } 4009 } 4010 break; 4011 } 4012 case SCTP_AUTH_DELETE_KEY: 4013 { 4014 struct sctp_authkeyid *scdel; 4015 4016 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4017 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4018 4019 /* delete the key from the right place */ 4020 if (stcb) { 4021 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4023 error = EINVAL; 4024 } 4025 SCTP_TCB_UNLOCK(stcb); 4026 } else { 4027 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4028 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4029 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4030 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4031 SCTP_INP_WLOCK(inp); 4032 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4034 error = EINVAL; 4035 } 4036 SCTP_INP_WUNLOCK(inp); 4037 } 4038 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4039 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4040 SCTP_INP_RLOCK(inp); 4041 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4042 SCTP_TCB_LOCK(stcb); 4043 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4044 SCTP_TCB_UNLOCK(stcb); 4045 } 4046 SCTP_INP_RUNLOCK(inp); 4047 } 4048 } 4049 break; 4050 } 4051 case SCTP_AUTH_DEACTIVATE_KEY: 4052 { 4053 struct sctp_authkeyid *keyid; 4054 4055 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4056 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4057 4058 /* deactivate the key from the right place */ 4059 if (stcb) { 4060 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4062 error = EINVAL; 4063 } 4064 SCTP_TCB_UNLOCK(stcb); 4065 } else { 4066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4067 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4068 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4069 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4070 SCTP_INP_WLOCK(inp); 4071 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4073 error = EINVAL; 4074 } 4075 SCTP_INP_WUNLOCK(inp); 4076 } 4077 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4078 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4079 SCTP_INP_RLOCK(inp); 4080 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4081 SCTP_TCB_LOCK(stcb); 4082 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4083 SCTP_TCB_UNLOCK(stcb); 4084 } 4085 SCTP_INP_RUNLOCK(inp); 4086 } 4087 } 4088 break; 4089 } 4090 case SCTP_ENABLE_STREAM_RESET: 4091 { 4092 struct sctp_assoc_value *av; 4093 uint8_t set_value = 0; 4094 4095 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4096 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4098 error = EINVAL; 4099 break; 4100 } 4101 set_value = av->assoc_value & SCTP_ENABLE_VALUE_MASK; 4102 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4103 if (stcb) { 4104 stcb->asoc.local_strreset_support = set_value; 4105 SCTP_TCB_UNLOCK(stcb); 4106 } else { 4107 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4108 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4109 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4110 (av->assoc_id == SCTP_ALL_ASSOC)) { 4111 SCTP_INP_WLOCK(inp); 4112 inp->local_strreset_support = set_value; 4113 SCTP_INP_WUNLOCK(inp); 4114 } 4115 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4116 (av->assoc_id == SCTP_ALL_ASSOC)) { 4117 SCTP_INP_RLOCK(inp); 4118 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4119 SCTP_TCB_LOCK(stcb); 4120 stcb->asoc.local_strreset_support = set_value; 4121 SCTP_TCB_UNLOCK(stcb); 4122 } 4123 SCTP_INP_RUNLOCK(inp); 4124 } 4125 } 4126 break; 4127 } 4128 case SCTP_RESET_STREAMS: 4129 { 4130 struct sctp_reset_streams *strrst; 4131 int i, send_out = 0; 4132 int send_in = 0; 4133 4134 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4135 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4136 4137 if (stcb == NULL) { 4138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4139 error = ENOENT; 4140 break; 4141 } 4142 if (stcb->asoc.peer_supports_strreset == 0) { 4143 /* 4144 * Peer does not support the chunk type. 4145 */ 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4147 error = EOPNOTSUPP; 4148 SCTP_TCB_UNLOCK(stcb); 4149 break; 4150 } 4151 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_STREAM_REQ)) { 4152 /* 4153 * User did not enable the operation. 4154 */ 4155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4156 error = EPERM; 4157 SCTP_TCB_UNLOCK(stcb); 4158 break; 4159 } 4160 if (stcb->asoc.stream_reset_outstanding) { 4161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4162 error = EALREADY; 4163 SCTP_TCB_UNLOCK(stcb); 4164 break; 4165 } 4166 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4167 send_in = 1; 4168 } 4169 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4170 send_out = 1; 4171 } 4172 if ((send_in == 0) && (send_out == 0)) { 4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4174 error = EINVAL; 4175 SCTP_TCB_UNLOCK(stcb); 4176 break; 4177 } 4178 for (i = 0; i < strrst->srs_number_streams; i++) { 4179 if ((send_in) && 4180 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4182 error = EINVAL; 4183 break; 4184 } 4185 if ((send_out) && 4186 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4188 error = EINVAL; 4189 break; 4190 } 4191 } 4192 if (error) { 4193 SCTP_TCB_UNLOCK(stcb); 4194 break; 4195 } 4196 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4197 strrst->srs_stream_list, 4198 send_out, send_in, 0, 0, 0, 0, 0); 4199 4200 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4201 SCTP_TCB_UNLOCK(stcb); 4202 break; 4203 } 4204 case SCTP_ADD_STREAMS: 4205 { 4206 struct sctp_add_streams *stradd; 4207 uint8_t addstream = 0; 4208 uint16_t add_o_strmcnt = 0; 4209 uint16_t add_i_strmcnt = 0; 4210 4211 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4212 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4213 if (stcb == NULL) { 4214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4215 error = ENOENT; 4216 break; 4217 } 4218 if ((stradd->sas_outstrms == 0) && 4219 (stradd->sas_instrms == 0)) { 4220 error = EINVAL; 4221 goto skip_stuff; 4222 } 4223 if (stradd->sas_outstrms) { 4224 addstream = 1; 4225 /* We allocate here */ 4226 add_o_strmcnt = stradd->sas_outstrms; 4227 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4228 /* You can't have more than 64k */ 4229 error = EINVAL; 4230 goto skip_stuff; 4231 } 4232 } 4233 if (stradd->sas_instrms) { 4234 int cnt; 4235 4236 addstream |= 2; 4237 /* 4238 * We allocate inside 4239 * sctp_send_str_reset_req() 4240 */ 4241 add_i_strmcnt = stradd->sas_instrms; 4242 cnt = add_i_strmcnt; 4243 cnt += stcb->asoc.streamincnt; 4244 if (cnt > 0x0000ffff) { 4245 /* You can't have more than 64k */ 4246 error = EINVAL; 4247 goto skip_stuff; 4248 } 4249 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4250 /* More than you are allowed */ 4251 error = EINVAL; 4252 goto skip_stuff; 4253 } 4254 } 4255 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4256 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4257 skip_stuff: 4258 SCTP_TCB_UNLOCK(stcb); 4259 break; 4260 } 4261 case SCTP_RESET_ASSOC: 4262 { 4263 uint32_t *value; 4264 4265 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4266 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4267 if (stcb == NULL) { 4268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4269 error = ENOENT; 4270 break; 4271 } 4272 if (stcb->asoc.peer_supports_strreset == 0) { 4273 /* 4274 * Peer does not support the chunk type. 4275 */ 4276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4277 error = EOPNOTSUPP; 4278 SCTP_TCB_UNLOCK(stcb); 4279 break; 4280 } 4281 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_ASSOC_REQ)) { 4282 /* 4283 * User did not enable the operation. 4284 */ 4285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4286 error = EPERM; 4287 SCTP_TCB_UNLOCK(stcb); 4288 break; 4289 } 4290 if (stcb->asoc.stream_reset_outstanding) { 4291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4292 error = EALREADY; 4293 SCTP_TCB_UNLOCK(stcb); 4294 break; 4295 } 4296 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4297 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4298 SCTP_TCB_UNLOCK(stcb); 4299 break; 4300 } 4301 case SCTP_CONNECT_X: 4302 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4304 error = EINVAL; 4305 break; 4306 } 4307 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4308 break; 4309 case SCTP_CONNECT_X_DELAYED: 4310 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4312 error = EINVAL; 4313 break; 4314 } 4315 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4316 break; 4317 case SCTP_CONNECT_X_COMPLETE: 4318 { 4319 struct sockaddr *sa; 4320 struct sctp_nets *net; 4321 4322 /* FIXME MT: check correct? */ 4323 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4324 4325 /* find tcb */ 4326 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4327 SCTP_INP_RLOCK(inp); 4328 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4329 if (stcb) { 4330 SCTP_TCB_LOCK(stcb); 4331 net = sctp_findnet(stcb, sa); 4332 } 4333 SCTP_INP_RUNLOCK(inp); 4334 } else { 4335 /* 4336 * We increment here since 4337 * sctp_findassociation_ep_addr() wil do a 4338 * decrement if it finds the stcb as long as 4339 * the locked tcb (last argument) is NOT a 4340 * TCB.. aka NULL. 4341 */ 4342 SCTP_INP_INCR_REF(inp); 4343 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4344 if (stcb == NULL) { 4345 SCTP_INP_DECR_REF(inp); 4346 } 4347 } 4348 4349 if (stcb == NULL) { 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4351 error = ENOENT; 4352 break; 4353 } 4354 if (stcb->asoc.delayed_connection == 1) { 4355 stcb->asoc.delayed_connection = 0; 4356 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4357 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4358 stcb->asoc.primary_destination, 4359 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4360 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4361 } else { 4362 /* 4363 * already expired or did not use delayed 4364 * connectx 4365 */ 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4367 error = EALREADY; 4368 } 4369 SCTP_TCB_UNLOCK(stcb); 4370 break; 4371 } 4372 case SCTP_MAX_BURST: 4373 { 4374 struct sctp_assoc_value *av; 4375 4376 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4377 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4378 4379 if (stcb) { 4380 stcb->asoc.max_burst = av->assoc_value; 4381 SCTP_TCB_UNLOCK(stcb); 4382 } else { 4383 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4384 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4385 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4386 (av->assoc_id == SCTP_ALL_ASSOC)) { 4387 SCTP_INP_WLOCK(inp); 4388 inp->sctp_ep.max_burst = av->assoc_value; 4389 SCTP_INP_WUNLOCK(inp); 4390 } 4391 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4392 (av->assoc_id == SCTP_ALL_ASSOC)) { 4393 SCTP_INP_RLOCK(inp); 4394 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4395 SCTP_TCB_LOCK(stcb); 4396 stcb->asoc.max_burst = av->assoc_value; 4397 SCTP_TCB_UNLOCK(stcb); 4398 } 4399 SCTP_INP_RUNLOCK(inp); 4400 } 4401 } 4402 break; 4403 } 4404 case SCTP_MAXSEG: 4405 { 4406 struct sctp_assoc_value *av; 4407 int ovh; 4408 4409 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4410 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4411 4412 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4413 ovh = SCTP_MED_OVERHEAD; 4414 } else { 4415 ovh = SCTP_MED_V4_OVERHEAD; 4416 } 4417 if (stcb) { 4418 if (av->assoc_value) { 4419 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4420 } else { 4421 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4422 } 4423 SCTP_TCB_UNLOCK(stcb); 4424 } else { 4425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4427 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4428 SCTP_INP_WLOCK(inp); 4429 /* 4430 * FIXME MT: I think this is not in 4431 * tune with the API ID 4432 */ 4433 if (av->assoc_value) { 4434 inp->sctp_frag_point = (av->assoc_value + ovh); 4435 } else { 4436 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4437 } 4438 SCTP_INP_WUNLOCK(inp); 4439 } else { 4440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4441 error = EINVAL; 4442 } 4443 } 4444 break; 4445 } 4446 case SCTP_EVENTS: 4447 { 4448 struct sctp_event_subscribe *events; 4449 4450 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4451 4452 SCTP_INP_WLOCK(inp); 4453 if (events->sctp_data_io_event) { 4454 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4455 } else { 4456 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4457 } 4458 4459 if (events->sctp_association_event) { 4460 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4461 } else { 4462 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4463 } 4464 4465 if (events->sctp_address_event) { 4466 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4467 } else { 4468 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4469 } 4470 4471 if (events->sctp_send_failure_event) { 4472 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4473 } else { 4474 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4475 } 4476 4477 if (events->sctp_peer_error_event) { 4478 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4479 } else { 4480 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4481 } 4482 4483 if (events->sctp_shutdown_event) { 4484 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4485 } else { 4486 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4487 } 4488 4489 if (events->sctp_partial_delivery_event) { 4490 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4491 } else { 4492 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4493 } 4494 4495 if (events->sctp_adaptation_layer_event) { 4496 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4497 } else { 4498 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4499 } 4500 4501 if (events->sctp_authentication_event) { 4502 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4503 } else { 4504 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4505 } 4506 4507 if (events->sctp_sender_dry_event) { 4508 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4509 } else { 4510 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4511 } 4512 4513 if (events->sctp_stream_reset_event) { 4514 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4515 } else { 4516 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4517 } 4518 SCTP_INP_WUNLOCK(inp); 4519 4520 SCTP_INP_RLOCK(inp); 4521 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4522 SCTP_TCB_LOCK(stcb); 4523 if (events->sctp_association_event) { 4524 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4525 } else { 4526 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4527 } 4528 if (events->sctp_address_event) { 4529 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4530 } else { 4531 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4532 } 4533 if (events->sctp_send_failure_event) { 4534 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4535 } else { 4536 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4537 } 4538 if (events->sctp_peer_error_event) { 4539 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4540 } else { 4541 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4542 } 4543 if (events->sctp_shutdown_event) { 4544 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4545 } else { 4546 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4547 } 4548 if (events->sctp_partial_delivery_event) { 4549 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4550 } else { 4551 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4552 } 4553 if (events->sctp_adaptation_layer_event) { 4554 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4555 } else { 4556 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4557 } 4558 if (events->sctp_authentication_event) { 4559 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4560 } else { 4561 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4562 } 4563 if (events->sctp_sender_dry_event) { 4564 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4565 } else { 4566 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4567 } 4568 if (events->sctp_stream_reset_event) { 4569 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4570 } else { 4571 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4572 } 4573 SCTP_TCB_UNLOCK(stcb); 4574 } 4575 /* 4576 * Send up the sender dry event only for 1-to-1 4577 * style sockets. 4578 */ 4579 if (events->sctp_sender_dry_event) { 4580 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4581 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4582 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4583 if (stcb) { 4584 SCTP_TCB_LOCK(stcb); 4585 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4586 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4587 (stcb->asoc.stream_queue_cnt == 0)) { 4588 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4589 } 4590 SCTP_TCB_UNLOCK(stcb); 4591 } 4592 } 4593 } 4594 SCTP_INP_RUNLOCK(inp); 4595 break; 4596 } 4597 case SCTP_ADAPTATION_LAYER: 4598 { 4599 struct sctp_setadaptation *adap_bits; 4600 4601 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4602 SCTP_INP_WLOCK(inp); 4603 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4604 SCTP_INP_WUNLOCK(inp); 4605 break; 4606 } 4607#ifdef SCTP_DEBUG 4608 case SCTP_SET_INITIAL_DBG_SEQ: 4609 { 4610 uint32_t *vvv; 4611 4612 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4613 SCTP_INP_WLOCK(inp); 4614 inp->sctp_ep.initial_sequence_debug = *vvv; 4615 SCTP_INP_WUNLOCK(inp); 4616 break; 4617 } 4618#endif 4619 case SCTP_DEFAULT_SEND_PARAM: 4620 { 4621 struct sctp_sndrcvinfo *s_info; 4622 4623 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4624 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4625 4626 if (stcb) { 4627 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4628 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4629 } else { 4630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4631 error = EINVAL; 4632 } 4633 SCTP_TCB_UNLOCK(stcb); 4634 } else { 4635 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4636 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4637 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4638 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4639 SCTP_INP_WLOCK(inp); 4640 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4641 SCTP_INP_WUNLOCK(inp); 4642 } 4643 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4644 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4645 SCTP_INP_RLOCK(inp); 4646 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4647 SCTP_TCB_LOCK(stcb); 4648 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4649 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4650 } 4651 SCTP_TCB_UNLOCK(stcb); 4652 } 4653 SCTP_INP_RUNLOCK(inp); 4654 } 4655 } 4656 break; 4657 } 4658 case SCTP_PEER_ADDR_PARAMS: 4659 { 4660 struct sctp_paddrparams *paddrp; 4661 struct sctp_nets *net; 4662 4663 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4664 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4665 net = NULL; 4666 if (stcb) { 4667 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4668 } else { 4669 /* 4670 * We increment here since 4671 * sctp_findassociation_ep_addr() wil do a 4672 * decrement if it finds the stcb as long as 4673 * the locked tcb (last argument) is NOT a 4674 * TCB.. aka NULL. 4675 */ 4676 SCTP_INP_INCR_REF(inp); 4677 stcb = sctp_findassociation_ep_addr(&inp, 4678 (struct sockaddr *)&paddrp->spp_address, 4679 &net, NULL, NULL); 4680 if (stcb == NULL) { 4681 SCTP_INP_DECR_REF(inp); 4682 } 4683 } 4684 if (stcb && (net == NULL)) { 4685 struct sockaddr *sa; 4686 4687 sa = (struct sockaddr *)&paddrp->spp_address; 4688#ifdef INET 4689 if (sa->sa_family == AF_INET) { 4690 4691 struct sockaddr_in *sin; 4692 4693 sin = (struct sockaddr_in *)sa; 4694 if (sin->sin_addr.s_addr) { 4695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4696 SCTP_TCB_UNLOCK(stcb); 4697 error = EINVAL; 4698 break; 4699 } 4700 } else 4701#endif 4702#ifdef INET6 4703 if (sa->sa_family == AF_INET6) { 4704 struct sockaddr_in6 *sin6; 4705 4706 sin6 = (struct sockaddr_in6 *)sa; 4707 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4709 SCTP_TCB_UNLOCK(stcb); 4710 error = EINVAL; 4711 break; 4712 } 4713 } else 4714#endif 4715 { 4716 error = EAFNOSUPPORT; 4717 SCTP_TCB_UNLOCK(stcb); 4718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4719 break; 4720 } 4721 } 4722 /* sanity checks */ 4723 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4724 if (stcb) 4725 SCTP_TCB_UNLOCK(stcb); 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4727 return (EINVAL); 4728 } 4729 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4730 if (stcb) 4731 SCTP_TCB_UNLOCK(stcb); 4732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4733 return (EINVAL); 4734 } 4735 if (stcb) { 4736 /************************TCB SPECIFIC SET ******************/ 4737 /* 4738 * do we change the timer for HB, we run 4739 * only one? 4740 */ 4741 int ovh = 0; 4742 4743 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4744 ovh = SCTP_MED_OVERHEAD; 4745 } else { 4746 ovh = SCTP_MED_V4_OVERHEAD; 4747 } 4748 4749 /* network sets ? */ 4750 if (net) { 4751 /************************NET SPECIFIC SET ******************/ 4752 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4753 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4754 !(net->dest_state & SCTP_ADDR_NOHB)) { 4755 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4756 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4757 } 4758 net->dest_state |= SCTP_ADDR_NOHB; 4759 } 4760 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4761 if (paddrp->spp_hbinterval) { 4762 net->heart_beat_delay = paddrp->spp_hbinterval; 4763 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4764 net->heart_beat_delay = 0; 4765 } 4766 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4767 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4768 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4769 net->dest_state &= ~SCTP_ADDR_NOHB; 4770 } 4771 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4772 /* on demand HB */ 4773 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4774 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4775 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4776 } 4777 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4778 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4779 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4780 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4781 } 4782 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4783 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4784 net->mtu = paddrp->spp_pathmtu + ovh; 4785 if (net->mtu < stcb->asoc.smallest_mtu) { 4786 sctp_pathmtu_adjustment(stcb, net->mtu); 4787 } 4788 } 4789 } 4790 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4791 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4792 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4793 } 4794 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4795 } 4796 if (paddrp->spp_pathmaxrxt) { 4797 if (net->dest_state & SCTP_ADDR_PF) { 4798 if (net->error_count > paddrp->spp_pathmaxrxt) { 4799 net->dest_state &= ~SCTP_ADDR_PF; 4800 } 4801 } else { 4802 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4803 (net->error_count > net->pf_threshold)) { 4804 net->dest_state |= SCTP_ADDR_PF; 4805 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4806 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4807 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4808 } 4809 } 4810 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4811 if (net->error_count > paddrp->spp_pathmaxrxt) { 4812 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4813 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4814 } 4815 } else { 4816 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4817 net->dest_state |= SCTP_ADDR_REACHABLE; 4818 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4819 } 4820 } 4821 net->failure_threshold = paddrp->spp_pathmaxrxt; 4822 } 4823 if (paddrp->spp_flags & SPP_DSCP) { 4824 net->dscp = paddrp->spp_dscp & 0xfc; 4825 net->dscp |= 0x01; 4826 } 4827#ifdef INET6 4828 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4829 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4830 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4831 net->flowlabel |= 0x80000000; 4832 } 4833 } 4834#endif 4835 } else { 4836 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4837 if (paddrp->spp_pathmaxrxt) { 4838 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4839 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4840 if (net->dest_state & SCTP_ADDR_PF) { 4841 if (net->error_count > paddrp->spp_pathmaxrxt) { 4842 net->dest_state &= ~SCTP_ADDR_PF; 4843 } 4844 } else { 4845 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4846 (net->error_count > net->pf_threshold)) { 4847 net->dest_state |= SCTP_ADDR_PF; 4848 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4849 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4850 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4851 } 4852 } 4853 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4854 if (net->error_count > paddrp->spp_pathmaxrxt) { 4855 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4856 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4857 } 4858 } else { 4859 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4860 net->dest_state |= SCTP_ADDR_REACHABLE; 4861 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4862 } 4863 } 4864 net->failure_threshold = paddrp->spp_pathmaxrxt; 4865 } 4866 } 4867 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4868 if (paddrp->spp_hbinterval) { 4869 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4870 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4871 stcb->asoc.heart_beat_delay = 0; 4872 } 4873 /* Turn back on the timer */ 4874 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4875 if (paddrp->spp_hbinterval) { 4876 net->heart_beat_delay = paddrp->spp_hbinterval; 4877 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4878 net->heart_beat_delay = 0; 4879 } 4880 if (net->dest_state & SCTP_ADDR_NOHB) { 4881 net->dest_state &= ~SCTP_ADDR_NOHB; 4882 } 4883 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4884 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4885 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4886 } 4887 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4888 } 4889 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4890 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4891 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4892 net->dest_state |= SCTP_ADDR_NOHB; 4893 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4894 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4895 } 4896 } 4897 } 4898 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4899 } 4900 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4901 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4902 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4903 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4904 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4905 } 4906 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4907 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4908 net->mtu = paddrp->spp_pathmtu + ovh; 4909 if (net->mtu < stcb->asoc.smallest_mtu) { 4910 sctp_pathmtu_adjustment(stcb, net->mtu); 4911 } 4912 } 4913 } 4914 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4915 } 4916 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4917 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4918 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4919 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4920 } 4921 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4922 } 4923 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4924 } 4925 if (paddrp->spp_flags & SPP_DSCP) { 4926 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4927 net->dscp = paddrp->spp_dscp & 0xfc; 4928 net->dscp |= 0x01; 4929 } 4930 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4931 stcb->asoc.default_dscp |= 0x01; 4932 } 4933#ifdef INET6 4934 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4935 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4936 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4937 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4938 net->flowlabel |= 0x80000000; 4939 } 4940 } 4941 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4942 stcb->asoc.default_flowlabel |= 0x80000000; 4943 } 4944#endif 4945 } 4946 SCTP_TCB_UNLOCK(stcb); 4947 } else { 4948 /************************NO TCB, SET TO default stuff ******************/ 4949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4951 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4952 SCTP_INP_WLOCK(inp); 4953 /* 4954 * For the TOS/FLOWLABEL stuff you 4955 * set it with the options on the 4956 * socket 4957 */ 4958 if (paddrp->spp_pathmaxrxt) { 4959 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4960 } 4961 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4962 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4963 else if (paddrp->spp_hbinterval) { 4964 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4965 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4966 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4967 } 4968 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4969 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4970 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4971 } else if (paddrp->spp_hbinterval) { 4972 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4973 } 4974 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4975 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4976 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4977 } 4978 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4979 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4980 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4981 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4982 } 4983 if (paddrp->spp_flags & SPP_DSCP) { 4984 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 4985 inp->sctp_ep.default_dscp |= 0x01; 4986 } 4987#ifdef INET6 4988 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4989 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4990 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4991 inp->sctp_ep.default_flowlabel |= 0x80000000; 4992 } 4993 } 4994#endif 4995 SCTP_INP_WUNLOCK(inp); 4996 } else { 4997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4998 error = EINVAL; 4999 } 5000 } 5001 break; 5002 } 5003 case SCTP_RTOINFO: 5004 { 5005 struct sctp_rtoinfo *srto; 5006 uint32_t new_init, new_min, new_max; 5007 5008 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5009 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5010 5011 if (stcb) { 5012 if (srto->srto_initial) 5013 new_init = srto->srto_initial; 5014 else 5015 new_init = stcb->asoc.initial_rto; 5016 if (srto->srto_max) 5017 new_max = srto->srto_max; 5018 else 5019 new_max = stcb->asoc.maxrto; 5020 if (srto->srto_min) 5021 new_min = srto->srto_min; 5022 else 5023 new_min = stcb->asoc.minrto; 5024 if ((new_min <= new_init) && (new_init <= new_max)) { 5025 stcb->asoc.initial_rto = new_init; 5026 stcb->asoc.maxrto = new_max; 5027 stcb->asoc.minrto = new_min; 5028 } else { 5029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5030 error = EINVAL; 5031 } 5032 SCTP_TCB_UNLOCK(stcb); 5033 } else { 5034 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5035 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5036 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5037 SCTP_INP_WLOCK(inp); 5038 if (srto->srto_initial) 5039 new_init = srto->srto_initial; 5040 else 5041 new_init = inp->sctp_ep.initial_rto; 5042 if (srto->srto_max) 5043 new_max = srto->srto_max; 5044 else 5045 new_max = inp->sctp_ep.sctp_maxrto; 5046 if (srto->srto_min) 5047 new_min = srto->srto_min; 5048 else 5049 new_min = inp->sctp_ep.sctp_minrto; 5050 if ((new_min <= new_init) && (new_init <= new_max)) { 5051 inp->sctp_ep.initial_rto = new_init; 5052 inp->sctp_ep.sctp_maxrto = new_max; 5053 inp->sctp_ep.sctp_minrto = new_min; 5054 } else { 5055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5056 error = EINVAL; 5057 } 5058 SCTP_INP_WUNLOCK(inp); 5059 } else { 5060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5061 error = EINVAL; 5062 } 5063 } 5064 break; 5065 } 5066 case SCTP_ASSOCINFO: 5067 { 5068 struct sctp_assocparams *sasoc; 5069 5070 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5071 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5072 if (sasoc->sasoc_cookie_life) { 5073 /* boundary check the cookie life */ 5074 if (sasoc->sasoc_cookie_life < 1000) 5075 sasoc->sasoc_cookie_life = 1000; 5076 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5077 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5078 } 5079 } 5080 if (stcb) { 5081 if (sasoc->sasoc_asocmaxrxt) 5082 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5083 if (sasoc->sasoc_cookie_life) { 5084 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5085 } 5086 SCTP_TCB_UNLOCK(stcb); 5087 } else { 5088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5090 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5091 SCTP_INP_WLOCK(inp); 5092 if (sasoc->sasoc_asocmaxrxt) 5093 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5094 if (sasoc->sasoc_cookie_life) { 5095 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5096 } 5097 SCTP_INP_WUNLOCK(inp); 5098 } else { 5099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5100 error = EINVAL; 5101 } 5102 } 5103 break; 5104 } 5105 case SCTP_INITMSG: 5106 { 5107 struct sctp_initmsg *sinit; 5108 5109 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5110 SCTP_INP_WLOCK(inp); 5111 if (sinit->sinit_num_ostreams) 5112 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5113 5114 if (sinit->sinit_max_instreams) 5115 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5116 5117 if (sinit->sinit_max_attempts) 5118 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5119 5120 if (sinit->sinit_max_init_timeo) 5121 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5122 SCTP_INP_WUNLOCK(inp); 5123 break; 5124 } 5125 case SCTP_PRIMARY_ADDR: 5126 { 5127 struct sctp_setprim *spa; 5128 struct sctp_nets *net; 5129 5130 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5131 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5132 5133 net = NULL; 5134 if (stcb) { 5135 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5136 } else { 5137 /* 5138 * We increment here since 5139 * sctp_findassociation_ep_addr() wil do a 5140 * decrement if it finds the stcb as long as 5141 * the locked tcb (last argument) is NOT a 5142 * TCB.. aka NULL. 5143 */ 5144 SCTP_INP_INCR_REF(inp); 5145 stcb = sctp_findassociation_ep_addr(&inp, 5146 (struct sockaddr *)&spa->ssp_addr, 5147 &net, NULL, NULL); 5148 if (stcb == NULL) { 5149 SCTP_INP_DECR_REF(inp); 5150 } 5151 } 5152 5153 if ((stcb) && (net)) { 5154 if ((net != stcb->asoc.primary_destination) && 5155 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5156 /* Ok we need to set it */ 5157 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5158 if ((stcb->asoc.alternate) && 5159 (!(net->dest_state & SCTP_ADDR_PF)) && 5160 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5161 sctp_free_remote_addr(stcb->asoc.alternate); 5162 stcb->asoc.alternate = NULL; 5163 } 5164 } 5165 } 5166 } else { 5167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5168 error = EINVAL; 5169 } 5170 if (stcb) { 5171 SCTP_TCB_UNLOCK(stcb); 5172 } 5173 break; 5174 } 5175 case SCTP_SET_DYNAMIC_PRIMARY: 5176 { 5177 union sctp_sockstore *ss; 5178 5179 error = priv_check(curthread, 5180 PRIV_NETINET_RESERVEDPORT); 5181 if (error) 5182 break; 5183 5184 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5185 /* SUPER USER CHECK? */ 5186 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5187 break; 5188 } 5189 case SCTP_SET_PEER_PRIMARY_ADDR: 5190 { 5191 struct sctp_setpeerprim *sspp; 5192 5193 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5194 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5195 if (stcb != NULL) { 5196 struct sctp_ifa *ifa; 5197 5198 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5199 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5200 if (ifa == NULL) { 5201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5202 error = EINVAL; 5203 goto out_of_it; 5204 } 5205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5206 /* 5207 * Must validate the ifa found is in 5208 * our ep 5209 */ 5210 struct sctp_laddr *laddr; 5211 int found = 0; 5212 5213 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5214 if (laddr->ifa == NULL) { 5215 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5216 __FUNCTION__); 5217 continue; 5218 } 5219 if (laddr->ifa == ifa) { 5220 found = 1; 5221 break; 5222 } 5223 } 5224 if (!found) { 5225 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5226 error = EINVAL; 5227 goto out_of_it; 5228 } 5229 } 5230 if (sctp_set_primary_ip_address_sa(stcb, 5231 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5233 error = EINVAL; 5234 } 5235 out_of_it: 5236 SCTP_TCB_UNLOCK(stcb); 5237 } else { 5238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5239 error = EINVAL; 5240 } 5241 break; 5242 } 5243 case SCTP_BINDX_ADD_ADDR: 5244 { 5245 struct sctp_getaddresses *addrs; 5246 size_t sz; 5247 struct thread *td; 5248 5249 td = (struct thread *)p; 5250 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5251 optsize); 5252#ifdef INET 5253 if (addrs->addr->sa_family == AF_INET) { 5254 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5255 if (optsize < sz) { 5256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5257 error = EINVAL; 5258 break; 5259 } 5260 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5261 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5262 break; 5263 } 5264 } else 5265#endif 5266#ifdef INET6 5267 if (addrs->addr->sa_family == AF_INET6) { 5268 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5269 if (optsize < sz) { 5270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5271 error = EINVAL; 5272 break; 5273 } 5274 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5275 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5276 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5277 break; 5278 } 5279 } else 5280#endif 5281 { 5282 error = EAFNOSUPPORT; 5283 break; 5284 } 5285 sctp_bindx_add_address(so, inp, addrs->addr, 5286 addrs->sget_assoc_id, vrf_id, 5287 &error, p); 5288 break; 5289 } 5290 case SCTP_BINDX_REM_ADDR: 5291 { 5292 struct sctp_getaddresses *addrs; 5293 size_t sz; 5294 struct thread *td; 5295 5296 td = (struct thread *)p; 5297 5298 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5299#ifdef INET 5300 if (addrs->addr->sa_family == AF_INET) { 5301 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5302 if (optsize < sz) { 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5304 error = EINVAL; 5305 break; 5306 } 5307 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5308 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5309 break; 5310 } 5311 } else 5312#endif 5313#ifdef INET6 5314 if (addrs->addr->sa_family == AF_INET6) { 5315 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5316 if (optsize < sz) { 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5318 error = EINVAL; 5319 break; 5320 } 5321 if (td != NULL && 5322 (error = prison_local_ip6(td->td_ucred, 5323 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5324 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5325 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5326 break; 5327 } 5328 } else 5329#endif 5330 { 5331 error = EAFNOSUPPORT; 5332 break; 5333 } 5334 sctp_bindx_delete_address(inp, addrs->addr, 5335 addrs->sget_assoc_id, vrf_id, 5336 &error); 5337 break; 5338 } 5339 case SCTP_EVENT: 5340 { 5341 struct sctp_event *event; 5342 uint32_t event_type; 5343 5344 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5345 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5346 switch (event->se_type) { 5347 case SCTP_ASSOC_CHANGE: 5348 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5349 break; 5350 case SCTP_PEER_ADDR_CHANGE: 5351 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5352 break; 5353 case SCTP_REMOTE_ERROR: 5354 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5355 break; 5356 case SCTP_SEND_FAILED: 5357 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5358 break; 5359 case SCTP_SHUTDOWN_EVENT: 5360 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5361 break; 5362 case SCTP_ADAPTATION_INDICATION: 5363 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5364 break; 5365 case SCTP_PARTIAL_DELIVERY_EVENT: 5366 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5367 break; 5368 case SCTP_AUTHENTICATION_EVENT: 5369 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5370 break; 5371 case SCTP_STREAM_RESET_EVENT: 5372 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5373 break; 5374 case SCTP_SENDER_DRY_EVENT: 5375 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5376 break; 5377 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5378 event_type = 0; 5379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5380 error = ENOTSUP; 5381 break; 5382 default: 5383 event_type = 0; 5384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5385 error = EINVAL; 5386 break; 5387 } 5388 if (event_type > 0) { 5389 if (stcb) { 5390 if (event->se_on) { 5391 sctp_stcb_feature_on(inp, stcb, event_type); 5392 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5393 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5394 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5395 (stcb->asoc.stream_queue_cnt == 0)) { 5396 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5397 } 5398 } 5399 } else { 5400 sctp_stcb_feature_off(inp, stcb, event_type); 5401 } 5402 SCTP_TCB_UNLOCK(stcb); 5403 } else { 5404 /* 5405 * We don't want to send up a storm 5406 * of events, so return an error for 5407 * sender dry events 5408 */ 5409 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5410 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5411 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5412 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5413 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5415 error = ENOTSUP; 5416 break; 5417 } 5418 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5419 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5420 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5421 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5422 SCTP_INP_WLOCK(inp); 5423 if (event->se_on) { 5424 sctp_feature_on(inp, event_type); 5425 } else { 5426 sctp_feature_off(inp, event_type); 5427 } 5428 SCTP_INP_WUNLOCK(inp); 5429 } 5430 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5431 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5432 SCTP_INP_RLOCK(inp); 5433 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5434 SCTP_TCB_LOCK(stcb); 5435 if (event->se_on) { 5436 sctp_stcb_feature_on(inp, stcb, event_type); 5437 } else { 5438 sctp_stcb_feature_off(inp, stcb, event_type); 5439 } 5440 SCTP_TCB_UNLOCK(stcb); 5441 } 5442 SCTP_INP_RUNLOCK(inp); 5443 } 5444 } 5445 } 5446 break; 5447 } 5448 case SCTP_RECVRCVINFO: 5449 { 5450 int *onoff; 5451 5452 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5453 SCTP_INP_WLOCK(inp); 5454 if (*onoff != 0) { 5455 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5456 } else { 5457 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5458 } 5459 SCTP_INP_WUNLOCK(inp); 5460 break; 5461 } 5462 case SCTP_RECVNXTINFO: 5463 { 5464 int *onoff; 5465 5466 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5467 SCTP_INP_WLOCK(inp); 5468 if (*onoff != 0) { 5469 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5470 } else { 5471 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5472 } 5473 SCTP_INP_WUNLOCK(inp); 5474 break; 5475 } 5476 case SCTP_DEFAULT_SNDINFO: 5477 { 5478 struct sctp_sndinfo *info; 5479 uint16_t policy; 5480 5481 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5482 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5483 5484 if (stcb) { 5485 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5486 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5487 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5488 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5489 stcb->asoc.def_send.sinfo_flags |= policy; 5490 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5491 stcb->asoc.def_send.sinfo_context = info->snd_context; 5492 } else { 5493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5494 error = EINVAL; 5495 } 5496 SCTP_TCB_UNLOCK(stcb); 5497 } else { 5498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5499 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5500 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5501 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5502 SCTP_INP_WLOCK(inp); 5503 inp->def_send.sinfo_stream = info->snd_sid; 5504 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5505 inp->def_send.sinfo_flags = info->snd_flags; 5506 inp->def_send.sinfo_flags |= policy; 5507 inp->def_send.sinfo_ppid = info->snd_ppid; 5508 inp->def_send.sinfo_context = info->snd_context; 5509 SCTP_INP_WUNLOCK(inp); 5510 } 5511 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5512 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5513 SCTP_INP_RLOCK(inp); 5514 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5515 SCTP_TCB_LOCK(stcb); 5516 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5517 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5518 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5519 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5520 stcb->asoc.def_send.sinfo_flags |= policy; 5521 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5522 stcb->asoc.def_send.sinfo_context = info->snd_context; 5523 } 5524 SCTP_TCB_UNLOCK(stcb); 5525 } 5526 SCTP_INP_RUNLOCK(inp); 5527 } 5528 } 5529 break; 5530 } 5531 case SCTP_DEFAULT_PRINFO: 5532 { 5533 struct sctp_default_prinfo *info; 5534 5535 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5536 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5537 5538 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5540 error = EINVAL; 5541 break; 5542 } 5543 if (stcb) { 5544 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5545 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5546 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5547 SCTP_TCB_UNLOCK(stcb); 5548 } else { 5549 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5550 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5551 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5552 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5553 SCTP_INP_WLOCK(inp); 5554 inp->def_send.sinfo_flags &= 0xfff0; 5555 inp->def_send.sinfo_flags |= info->pr_policy; 5556 inp->def_send.sinfo_timetolive = info->pr_value; 5557 SCTP_INP_WUNLOCK(inp); 5558 } 5559 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5560 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5561 SCTP_INP_RLOCK(inp); 5562 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5563 SCTP_TCB_LOCK(stcb); 5564 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5565 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5566 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5567 SCTP_TCB_UNLOCK(stcb); 5568 } 5569 SCTP_INP_RUNLOCK(inp); 5570 } 5571 } 5572 break; 5573 } 5574 case SCTP_PEER_ADDR_THLDS: 5575 /* Applies to the specific association */ 5576 { 5577 struct sctp_paddrthlds *thlds; 5578 struct sctp_nets *net; 5579 5580 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5581 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5582 net = NULL; 5583 if (stcb) { 5584 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5585 } else { 5586 /* 5587 * We increment here since 5588 * sctp_findassociation_ep_addr() wil do a 5589 * decrement if it finds the stcb as long as 5590 * the locked tcb (last argument) is NOT a 5591 * TCB.. aka NULL. 5592 */ 5593 SCTP_INP_INCR_REF(inp); 5594 stcb = sctp_findassociation_ep_addr(&inp, 5595 (struct sockaddr *)&thlds->spt_assoc_id, 5596 &net, NULL, NULL); 5597 if (stcb == NULL) { 5598 SCTP_INP_DECR_REF(inp); 5599 } 5600 } 5601 if (stcb && (net == NULL)) { 5602 struct sockaddr *sa; 5603 5604 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5605#ifdef INET 5606 if (sa->sa_family == AF_INET) { 5607 5608 struct sockaddr_in *sin; 5609 5610 sin = (struct sockaddr_in *)sa; 5611 if (sin->sin_addr.s_addr) { 5612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5613 SCTP_TCB_UNLOCK(stcb); 5614 error = EINVAL; 5615 break; 5616 } 5617 } else 5618#endif 5619#ifdef INET6 5620 if (sa->sa_family == AF_INET6) { 5621 struct sockaddr_in6 *sin6; 5622 5623 sin6 = (struct sockaddr_in6 *)sa; 5624 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5626 SCTP_TCB_UNLOCK(stcb); 5627 error = EINVAL; 5628 break; 5629 } 5630 } else 5631#endif 5632 { 5633 error = EAFNOSUPPORT; 5634 SCTP_TCB_UNLOCK(stcb); 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5636 break; 5637 } 5638 } 5639 if (stcb) { 5640 if (net) { 5641 if (net->dest_state & SCTP_ADDR_PF) { 5642 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5643 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5644 net->dest_state &= ~SCTP_ADDR_PF; 5645 } 5646 } else { 5647 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5648 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5649 net->dest_state |= SCTP_ADDR_PF; 5650 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5651 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5652 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5653 } 5654 } 5655 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5656 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5657 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5658 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5659 } 5660 } else { 5661 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5662 net->dest_state |= SCTP_ADDR_REACHABLE; 5663 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5664 } 5665 } 5666 net->failure_threshold = thlds->spt_pathmaxrxt; 5667 net->pf_threshold = thlds->spt_pathpfthld; 5668 } else { 5669 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5670 if (net->dest_state & SCTP_ADDR_PF) { 5671 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5672 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5673 net->dest_state &= ~SCTP_ADDR_PF; 5674 } 5675 } else { 5676 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5677 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5678 net->dest_state |= SCTP_ADDR_PF; 5679 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5680 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5681 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5682 } 5683 } 5684 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5685 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5686 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5687 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5688 } 5689 } else { 5690 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5691 net->dest_state |= SCTP_ADDR_REACHABLE; 5692 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5693 } 5694 } 5695 net->failure_threshold = thlds->spt_pathmaxrxt; 5696 net->pf_threshold = thlds->spt_pathpfthld; 5697 } 5698 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5699 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5700 } 5701 } else { 5702 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5703 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5704 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5705 SCTP_INP_WLOCK(inp); 5706 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5707 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5708 SCTP_INP_WUNLOCK(inp); 5709 } else { 5710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5711 error = EINVAL; 5712 } 5713 } 5714 break; 5715 } 5716 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5717 { 5718 struct sctp_udpencaps *encaps; 5719 struct sctp_nets *net; 5720 5721 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5722 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5723 if (stcb) { 5724 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5725 } else { 5726 /* 5727 * We increment here since 5728 * sctp_findassociation_ep_addr() wil do a 5729 * decrement if it finds the stcb as long as 5730 * the locked tcb (last argument) is NOT a 5731 * TCB.. aka NULL. 5732 */ 5733 net = NULL; 5734 SCTP_INP_INCR_REF(inp); 5735 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5736 if (stcb == NULL) { 5737 SCTP_INP_DECR_REF(inp); 5738 } 5739 } 5740 if (stcb && (net == NULL)) { 5741 struct sockaddr *sa; 5742 5743 sa = (struct sockaddr *)&encaps->sue_address; 5744#ifdef INET 5745 if (sa->sa_family == AF_INET) { 5746 5747 struct sockaddr_in *sin; 5748 5749 sin = (struct sockaddr_in *)sa; 5750 if (sin->sin_addr.s_addr) { 5751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5752 SCTP_TCB_UNLOCK(stcb); 5753 error = EINVAL; 5754 break; 5755 } 5756 } else 5757#endif 5758#ifdef INET6 5759 if (sa->sa_family == AF_INET6) { 5760 struct sockaddr_in6 *sin6; 5761 5762 sin6 = (struct sockaddr_in6 *)sa; 5763 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5765 SCTP_TCB_UNLOCK(stcb); 5766 error = EINVAL; 5767 break; 5768 } 5769 } else 5770#endif 5771 { 5772 error = EAFNOSUPPORT; 5773 SCTP_TCB_UNLOCK(stcb); 5774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5775 break; 5776 } 5777 } 5778 if (stcb) { 5779 if (net) { 5780 net->port = encaps->sue_port; 5781 } else { 5782 stcb->asoc.port = encaps->sue_port; 5783 } 5784 SCTP_TCB_UNLOCK(stcb); 5785 } else { 5786 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5787 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5788 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5789 SCTP_INP_WLOCK(inp); 5790 inp->sctp_ep.port = encaps->sue_port; 5791 SCTP_INP_WUNLOCK(inp); 5792 } else { 5793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5794 error = EINVAL; 5795 } 5796 } 5797 break; 5798 } 5799 default: 5800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5801 error = ENOPROTOOPT; 5802 break; 5803 } /* end switch (opt) */ 5804 return (error); 5805} 5806 5807int 5808sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5809{ 5810 void *optval = NULL; 5811 size_t optsize = 0; 5812 struct sctp_inpcb *inp; 5813 void *p; 5814 int error = 0; 5815 5816 if (sopt->sopt_level != IPPROTO_SCTP) { 5817 /* wrong proto level... send back up to IP */ 5818#ifdef INET6 5819 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5820 error = ip6_ctloutput(so, sopt); 5821#endif /* INET6 */ 5822#if defined(INET) && defined (INET6) 5823 else 5824#endif 5825#ifdef INET 5826 error = ip_ctloutput(so, sopt); 5827#endif 5828 return (error); 5829 } 5830 inp = (struct sctp_inpcb *)so->so_pcb; 5831 optsize = sopt->sopt_valsize; 5832 if (optsize) { 5833 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5834 if (optval == NULL) { 5835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5836 return (ENOBUFS); 5837 } 5838 error = sooptcopyin(sopt, optval, optsize, optsize); 5839 if (error) { 5840 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5841 goto out; 5842 } 5843 } 5844 p = (void *)sopt->sopt_td; 5845 if (sopt->sopt_dir == SOPT_SET) { 5846 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5847 } else if (sopt->sopt_dir == SOPT_GET) { 5848 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5849 } else { 5850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5851 error = EINVAL; 5852 } 5853 if ((error == 0) && (optval != NULL)) { 5854 error = sooptcopyout(sopt, optval, optsize); 5855 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5856 } else if (optval != NULL) { 5857 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5858 } 5859out: 5860 return (error); 5861} 5862 5863#ifdef INET 5864static int 5865sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5866{ 5867 int error = 0; 5868 int create_lock_on = 0; 5869 uint32_t vrf_id; 5870 struct sctp_inpcb *inp; 5871 struct sctp_tcb *stcb = NULL; 5872 5873 inp = (struct sctp_inpcb *)so->so_pcb; 5874 if (inp == NULL) { 5875 /* I made the same as TCP since we are not setup? */ 5876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5877 return (ECONNRESET); 5878 } 5879 if (addr == NULL) { 5880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5881 return EINVAL; 5882 } 5883 switch (addr->sa_family) { 5884#ifdef INET6 5885 case AF_INET6: 5886 { 5887 struct sockaddr_in6 *sin6p; 5888 5889 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5891 return (EINVAL); 5892 } 5893 sin6p = (struct sockaddr_in6 *)addr; 5894 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5896 return (error); 5897 } 5898 break; 5899 } 5900#endif 5901#ifdef INET 5902 case AF_INET: 5903 { 5904 struct sockaddr_in *sinp; 5905 5906 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5908 return (EINVAL); 5909 } 5910 sinp = (struct sockaddr_in *)addr; 5911 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5913 return (error); 5914 } 5915 break; 5916 } 5917#endif 5918 default: 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5920 return (EAFNOSUPPORT); 5921 } 5922 SCTP_INP_INCR_REF(inp); 5923 SCTP_ASOC_CREATE_LOCK(inp); 5924 create_lock_on = 1; 5925 5926 5927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5928 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5929 /* Should I really unlock ? */ 5930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5931 error = EFAULT; 5932 goto out_now; 5933 } 5934#ifdef INET6 5935 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5936 (addr->sa_family == AF_INET6)) { 5937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5938 error = EINVAL; 5939 goto out_now; 5940 } 5941#endif /* INET6 */ 5942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5943 SCTP_PCB_FLAGS_UNBOUND) { 5944 /* Bind a ephemeral port */ 5945 error = sctp_inpcb_bind(so, NULL, NULL, p); 5946 if (error) { 5947 goto out_now; 5948 } 5949 } 5950 /* Now do we connect? */ 5951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5952 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 goto out_now; 5956 } 5957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5958 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5959 /* We are already connected AND the TCP model */ 5960 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5961 error = EADDRINUSE; 5962 goto out_now; 5963 } 5964 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5965 SCTP_INP_RLOCK(inp); 5966 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5967 SCTP_INP_RUNLOCK(inp); 5968 } else { 5969 /* 5970 * We increment here since sctp_findassociation_ep_addr() 5971 * will do a decrement if it finds the stcb as long as the 5972 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5973 */ 5974 SCTP_INP_INCR_REF(inp); 5975 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5976 if (stcb == NULL) { 5977 SCTP_INP_DECR_REF(inp); 5978 } else { 5979 SCTP_TCB_UNLOCK(stcb); 5980 } 5981 } 5982 if (stcb != NULL) { 5983 /* Already have or am bring up an association */ 5984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5985 error = EALREADY; 5986 goto out_now; 5987 } 5988 vrf_id = inp->def_vrf_id; 5989 /* We are GOOD to go */ 5990 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 5991 if (stcb == NULL) { 5992 /* Gak! no memory */ 5993 goto out_now; 5994 } 5995 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 5996 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 5997 /* Set the connected flag so we can queue data */ 5998 soisconnecting(so); 5999 } 6000 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6001 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6002 6003 /* initialize authentication parameters for the assoc */ 6004 sctp_initialize_auth_params(inp, stcb); 6005 6006 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6007 SCTP_TCB_UNLOCK(stcb); 6008out_now: 6009 if (create_lock_on) { 6010 SCTP_ASOC_CREATE_UNLOCK(inp); 6011 } 6012 SCTP_INP_DECR_REF(inp); 6013 return (error); 6014} 6015 6016#endif 6017 6018int 6019sctp_listen(struct socket *so, int backlog, struct thread *p) 6020{ 6021 /* 6022 * Note this module depends on the protocol processing being called 6023 * AFTER any socket level flags and backlog are applied to the 6024 * socket. The traditional way that the socket flags are applied is 6025 * AFTER protocol processing. We have made a change to the 6026 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6027 * place if the socket API for SCTP is to work properly. 6028 */ 6029 6030 int error = 0; 6031 struct sctp_inpcb *inp; 6032 6033 inp = (struct sctp_inpcb *)so->so_pcb; 6034 if (inp == NULL) { 6035 /* I made the same as TCP since we are not setup? */ 6036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6037 return (ECONNRESET); 6038 } 6039 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6040 /* See if we have a listener */ 6041 struct sctp_inpcb *tinp; 6042 union sctp_sockstore store, *sp; 6043 6044 sp = &store; 6045 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6046 /* not bound all */ 6047 struct sctp_laddr *laddr; 6048 6049 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6050 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6051 switch (sp->sa.sa_family) { 6052#ifdef INET 6053 case AF_INET: 6054 sp->sin.sin_port = inp->sctp_lport; 6055 break; 6056#endif 6057#ifdef INET6 6058 case AF_INET6: 6059 sp->sin6.sin6_port = inp->sctp_lport; 6060 break; 6061#endif 6062 default: 6063 break; 6064 } 6065 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6066 if (tinp && (tinp != inp) && 6067 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6068 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6069 (tinp->sctp_socket->so_qlimit)) { 6070 /* 6071 * we have a listener already and 6072 * its not this inp. 6073 */ 6074 SCTP_INP_DECR_REF(tinp); 6075 return (EADDRINUSE); 6076 } else if (tinp) { 6077 SCTP_INP_DECR_REF(tinp); 6078 } 6079 } 6080 } else { 6081 /* Setup a local addr bound all */ 6082 memset(&store, 0, sizeof(store)); 6083 switch (sp->sa.sa_family) { 6084#ifdef INET 6085 case AF_INET: 6086 store.sin.sin_port = inp->sctp_lport; 6087 break; 6088#endif 6089#ifdef INET6 6090 case AF_INET6: 6091 sp->sin6.sin6_port = inp->sctp_lport; 6092 break; 6093#endif 6094 default: 6095 break; 6096 } 6097#ifdef INET6 6098 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6099 store.sa.sa_family = AF_INET6; 6100 store.sa.sa_len = sizeof(struct sockaddr_in6); 6101 } 6102#endif 6103#ifdef INET 6104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6105 store.sa.sa_family = AF_INET; 6106 store.sa.sa_len = sizeof(struct sockaddr_in); 6107 } 6108#endif 6109 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6110 if (tinp && (tinp != inp) && 6111 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6112 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6113 (tinp->sctp_socket->so_qlimit)) { 6114 /* 6115 * we have a listener already and its not 6116 * this inp. 6117 */ 6118 SCTP_INP_DECR_REF(tinp); 6119 return (EADDRINUSE); 6120 } else if (tinp) { 6121 SCTP_INP_DECR_REF(inp); 6122 } 6123 } 6124 } 6125 SCTP_INP_RLOCK(inp); 6126#ifdef SCTP_LOCK_LOGGING 6127 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6128 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6129 } 6130#endif 6131 SOCK_LOCK(so); 6132 error = solisten_proto_check(so); 6133 if (error) { 6134 SOCK_UNLOCK(so); 6135 SCTP_INP_RUNLOCK(inp); 6136 return (error); 6137 } 6138 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6140 /* 6141 * The unlucky case - We are in the tcp pool with this guy. 6142 * - Someone else is in the main inp slot. - We must move 6143 * this guy (the listener) to the main slot - We must then 6144 * move the guy that was listener to the TCP Pool. 6145 */ 6146 if (sctp_swap_inpcb_for_listen(inp)) { 6147 goto in_use; 6148 } 6149 } 6150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6151 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6152 /* We are already connected AND the TCP model */ 6153in_use: 6154 SCTP_INP_RUNLOCK(inp); 6155 SOCK_UNLOCK(so); 6156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6157 return (EADDRINUSE); 6158 } 6159 SCTP_INP_RUNLOCK(inp); 6160 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6161 /* We must do a bind. */ 6162 SOCK_UNLOCK(so); 6163 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6164 /* bind error, probably perm */ 6165 return (error); 6166 } 6167 SOCK_LOCK(so); 6168 } 6169 /* It appears for 7.0 and on, we must always call this. */ 6170 solisten_proto(so, backlog); 6171 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6172 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6173 so->so_options &= ~SO_ACCEPTCONN; 6174 } 6175 if (backlog == 0) { 6176 /* turning off listen */ 6177 so->so_options &= ~SO_ACCEPTCONN; 6178 } 6179 SOCK_UNLOCK(so); 6180 return (error); 6181} 6182 6183static int sctp_defered_wakeup_cnt = 0; 6184 6185int 6186sctp_accept(struct socket *so, struct sockaddr **addr) 6187{ 6188 struct sctp_tcb *stcb; 6189 struct sctp_inpcb *inp; 6190 union sctp_sockstore store; 6191 6192#ifdef INET6 6193 int error; 6194 6195#endif 6196 inp = (struct sctp_inpcb *)so->so_pcb; 6197 6198 if (inp == NULL) { 6199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6200 return (ECONNRESET); 6201 } 6202 SCTP_INP_RLOCK(inp); 6203 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6204 SCTP_INP_RUNLOCK(inp); 6205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6206 return (EOPNOTSUPP); 6207 } 6208 if (so->so_state & SS_ISDISCONNECTED) { 6209 SCTP_INP_RUNLOCK(inp); 6210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6211 return (ECONNABORTED); 6212 } 6213 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6214 if (stcb == NULL) { 6215 SCTP_INP_RUNLOCK(inp); 6216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6217 return (ECONNRESET); 6218 } 6219 SCTP_TCB_LOCK(stcb); 6220 SCTP_INP_RUNLOCK(inp); 6221 store = stcb->asoc.primary_destination->ro._l_addr; 6222 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6223 SCTP_TCB_UNLOCK(stcb); 6224 switch (store.sa.sa_family) { 6225#ifdef INET 6226 case AF_INET: 6227 { 6228 struct sockaddr_in *sin; 6229 6230 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6231 if (sin == NULL) 6232 return (ENOMEM); 6233 sin->sin_family = AF_INET; 6234 sin->sin_len = sizeof(*sin); 6235 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6236 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6237 *addr = (struct sockaddr *)sin; 6238 break; 6239 } 6240#endif 6241#ifdef INET6 6242 case AF_INET6: 6243 { 6244 struct sockaddr_in6 *sin6; 6245 6246 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6247 if (sin6 == NULL) 6248 return (ENOMEM); 6249 sin6->sin6_family = AF_INET6; 6250 sin6->sin6_len = sizeof(*sin6); 6251 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6252 6253 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6254 if ((error = sa6_recoverscope(sin6)) != 0) { 6255 SCTP_FREE_SONAME(sin6); 6256 return (error); 6257 } 6258 *addr = (struct sockaddr *)sin6; 6259 break; 6260 } 6261#endif 6262 default: 6263 /* TSNH */ 6264 break; 6265 } 6266 /* Wake any delayed sleep action */ 6267 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6268 SCTP_INP_WLOCK(inp); 6269 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6270 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6271 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6272 SCTP_INP_WUNLOCK(inp); 6273 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6274 if (sowriteable(inp->sctp_socket)) { 6275 sowwakeup_locked(inp->sctp_socket); 6276 } else { 6277 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6278 } 6279 SCTP_INP_WLOCK(inp); 6280 } 6281 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6282 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6283 SCTP_INP_WUNLOCK(inp); 6284 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6285 if (soreadable(inp->sctp_socket)) { 6286 sctp_defered_wakeup_cnt++; 6287 sorwakeup_locked(inp->sctp_socket); 6288 } else { 6289 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6290 } 6291 SCTP_INP_WLOCK(inp); 6292 } 6293 SCTP_INP_WUNLOCK(inp); 6294 } 6295 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6296 SCTP_TCB_LOCK(stcb); 6297 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6298 } 6299 return (0); 6300} 6301 6302#ifdef INET 6303int 6304sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6305{ 6306 struct sockaddr_in *sin; 6307 uint32_t vrf_id; 6308 struct sctp_inpcb *inp; 6309 struct sctp_ifa *sctp_ifa; 6310 6311 /* 6312 * Do the malloc first in case it blocks. 6313 */ 6314 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6315 if (sin == NULL) 6316 return (ENOMEM); 6317 sin->sin_family = AF_INET; 6318 sin->sin_len = sizeof(*sin); 6319 inp = (struct sctp_inpcb *)so->so_pcb; 6320 if (!inp) { 6321 SCTP_FREE_SONAME(sin); 6322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6323 return (ECONNRESET); 6324 } 6325 SCTP_INP_RLOCK(inp); 6326 sin->sin_port = inp->sctp_lport; 6327 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6328 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6329 struct sctp_tcb *stcb; 6330 struct sockaddr_in *sin_a; 6331 struct sctp_nets *net; 6332 int fnd; 6333 6334 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6335 if (stcb == NULL) { 6336 goto notConn; 6337 } 6338 fnd = 0; 6339 sin_a = NULL; 6340 SCTP_TCB_LOCK(stcb); 6341 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6342 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6343 if (sin_a == NULL) 6344 /* this will make coverity happy */ 6345 continue; 6346 6347 if (sin_a->sin_family == AF_INET) { 6348 fnd = 1; 6349 break; 6350 } 6351 } 6352 if ((!fnd) || (sin_a == NULL)) { 6353 /* punt */ 6354 SCTP_TCB_UNLOCK(stcb); 6355 goto notConn; 6356 } 6357 vrf_id = inp->def_vrf_id; 6358 sctp_ifa = sctp_source_address_selection(inp, 6359 stcb, 6360 (sctp_route_t *) & net->ro, 6361 net, 0, vrf_id); 6362 if (sctp_ifa) { 6363 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6364 sctp_free_ifa(sctp_ifa); 6365 } 6366 SCTP_TCB_UNLOCK(stcb); 6367 } else { 6368 /* For the bound all case you get back 0 */ 6369 notConn: 6370 sin->sin_addr.s_addr = 0; 6371 } 6372 6373 } else { 6374 /* Take the first IPv4 address in the list */ 6375 struct sctp_laddr *laddr; 6376 int fnd = 0; 6377 6378 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6379 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6380 struct sockaddr_in *sin_a; 6381 6382 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6383 sin->sin_addr = sin_a->sin_addr; 6384 fnd = 1; 6385 break; 6386 } 6387 } 6388 if (!fnd) { 6389 SCTP_FREE_SONAME(sin); 6390 SCTP_INP_RUNLOCK(inp); 6391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6392 return (ENOENT); 6393 } 6394 } 6395 SCTP_INP_RUNLOCK(inp); 6396 (*addr) = (struct sockaddr *)sin; 6397 return (0); 6398} 6399 6400int 6401sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6402{ 6403 struct sockaddr_in *sin; 6404 int fnd; 6405 struct sockaddr_in *sin_a; 6406 struct sctp_inpcb *inp; 6407 struct sctp_tcb *stcb; 6408 struct sctp_nets *net; 6409 6410 /* Do the malloc first in case it blocks. */ 6411 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6412 if (sin == NULL) 6413 return (ENOMEM); 6414 sin->sin_family = AF_INET; 6415 sin->sin_len = sizeof(*sin); 6416 6417 inp = (struct sctp_inpcb *)so->so_pcb; 6418 if ((inp == NULL) || 6419 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6420 /* UDP type and listeners will drop out here */ 6421 SCTP_FREE_SONAME(sin); 6422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6423 return (ENOTCONN); 6424 } 6425 SCTP_INP_RLOCK(inp); 6426 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6427 if (stcb) { 6428 SCTP_TCB_LOCK(stcb); 6429 } 6430 SCTP_INP_RUNLOCK(inp); 6431 if (stcb == NULL) { 6432 SCTP_FREE_SONAME(sin); 6433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6434 return (ECONNRESET); 6435 } 6436 fnd = 0; 6437 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6438 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6439 if (sin_a->sin_family == AF_INET) { 6440 fnd = 1; 6441 sin->sin_port = stcb->rport; 6442 sin->sin_addr = sin_a->sin_addr; 6443 break; 6444 } 6445 } 6446 SCTP_TCB_UNLOCK(stcb); 6447 if (!fnd) { 6448 /* No IPv4 address */ 6449 SCTP_FREE_SONAME(sin); 6450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6451 return (ENOENT); 6452 } 6453 (*addr) = (struct sockaddr *)sin; 6454 return (0); 6455} 6456 6457#ifdef INET 6458struct pr_usrreqs sctp_usrreqs = { 6459 .pru_abort = sctp_abort, 6460 .pru_accept = sctp_accept, 6461 .pru_attach = sctp_attach, 6462 .pru_bind = sctp_bind, 6463 .pru_connect = sctp_connect, 6464 .pru_control = in_control, 6465 .pru_close = sctp_close, 6466 .pru_detach = sctp_close, 6467 .pru_sopoll = sopoll_generic, 6468 .pru_flush = sctp_flush, 6469 .pru_disconnect = sctp_disconnect, 6470 .pru_listen = sctp_listen, 6471 .pru_peeraddr = sctp_peeraddr, 6472 .pru_send = sctp_sendm, 6473 .pru_shutdown = sctp_shutdown, 6474 .pru_sockaddr = sctp_ingetaddr, 6475 .pru_sosend = sctp_sosend, 6476 .pru_soreceive = sctp_soreceive 6477}; 6478 6479#endif 6480#endif 6481