sctp_usrreq.c revision 235075
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 235075 2012-05-06 11:02:53Z 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 case SCTP_ASSOC_RESET_EVENT: 2987 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2988 break; 2989 case SCTP_STREAM_CHANGE_EVENT: 2990 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2991 break; 2992 case SCTP_SEND_FAILED_EVENT: 2993 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2994 break; 2995 default: 2996 event_type = 0; 2997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2998 error = EINVAL; 2999 break; 3000 } 3001 if (event_type > 0) { 3002 if (stcb) { 3003 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3004 SCTP_TCB_UNLOCK(stcb); 3005 } else { 3006 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3007 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3008 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3009 SCTP_INP_RLOCK(inp); 3010 event->se_on = sctp_is_feature_on(inp, event_type); 3011 SCTP_INP_RUNLOCK(inp); 3012 } else { 3013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3014 error = EINVAL; 3015 } 3016 } 3017 } 3018 if (error == 0) { 3019 *optsize = sizeof(struct sctp_event); 3020 } 3021 break; 3022 } 3023 case SCTP_RECVRCVINFO: 3024 { 3025 int onoff; 3026 3027 if (*optsize < sizeof(int)) { 3028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3029 error = EINVAL; 3030 } else { 3031 SCTP_INP_RLOCK(inp); 3032 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3033 SCTP_INP_RUNLOCK(inp); 3034 } 3035 if (error == 0) { 3036 /* return the option value */ 3037 *(int *)optval = onoff; 3038 *optsize = sizeof(int); 3039 } 3040 break; 3041 } 3042 case SCTP_RECVNXTINFO: 3043 { 3044 int onoff; 3045 3046 if (*optsize < sizeof(int)) { 3047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3048 error = EINVAL; 3049 } else { 3050 SCTP_INP_RLOCK(inp); 3051 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3052 SCTP_INP_RUNLOCK(inp); 3053 } 3054 if (error == 0) { 3055 /* return the option value */ 3056 *(int *)optval = onoff; 3057 *optsize = sizeof(int); 3058 } 3059 break; 3060 } 3061 case SCTP_DEFAULT_SNDINFO: 3062 { 3063 struct sctp_sndinfo *info; 3064 3065 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3066 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3067 3068 if (stcb) { 3069 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3070 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3071 info->snd_flags &= 0xfff0; 3072 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3073 info->snd_context = stcb->asoc.def_send.sinfo_context; 3074 SCTP_TCB_UNLOCK(stcb); 3075 } else { 3076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3078 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3079 SCTP_INP_RLOCK(inp); 3080 info->snd_sid = inp->def_send.sinfo_stream; 3081 info->snd_flags = inp->def_send.sinfo_flags; 3082 info->snd_flags &= 0xfff0; 3083 info->snd_ppid = inp->def_send.sinfo_ppid; 3084 info->snd_context = inp->def_send.sinfo_context; 3085 SCTP_INP_RUNLOCK(inp); 3086 } else { 3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3088 error = EINVAL; 3089 } 3090 } 3091 if (error == 0) { 3092 *optsize = sizeof(struct sctp_sndinfo); 3093 } 3094 break; 3095 } 3096 case SCTP_DEFAULT_PRINFO: 3097 { 3098 struct sctp_default_prinfo *info; 3099 3100 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3101 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3102 3103 if (stcb) { 3104 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3105 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3106 SCTP_TCB_UNLOCK(stcb); 3107 } else { 3108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3109 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3110 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3111 SCTP_INP_RLOCK(inp); 3112 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3113 info->pr_value = inp->def_send.sinfo_timetolive; 3114 SCTP_INP_RUNLOCK(inp); 3115 } else { 3116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3117 error = EINVAL; 3118 } 3119 } 3120 if (error == 0) { 3121 *optsize = sizeof(struct sctp_default_prinfo); 3122 } 3123 break; 3124 } 3125 case SCTP_PEER_ADDR_THLDS: 3126 { 3127 struct sctp_paddrthlds *thlds; 3128 struct sctp_nets *net; 3129 3130 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3131 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3132 3133 net = NULL; 3134 if (stcb) { 3135 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3136 } else { 3137 /* 3138 * We increment here since 3139 * sctp_findassociation_ep_addr() wil do a 3140 * decrement if it finds the stcb as long as 3141 * the locked tcb (last argument) is NOT a 3142 * TCB.. aka NULL. 3143 */ 3144 SCTP_INP_INCR_REF(inp); 3145 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3146 if (stcb == NULL) { 3147 SCTP_INP_DECR_REF(inp); 3148 } 3149 } 3150 if (stcb && (net == NULL)) { 3151 struct sockaddr *sa; 3152 3153 sa = (struct sockaddr *)&thlds->spt_address; 3154#ifdef INET 3155 if (sa->sa_family == AF_INET) { 3156 struct sockaddr_in *sin; 3157 3158 sin = (struct sockaddr_in *)sa; 3159 if (sin->sin_addr.s_addr) { 3160 error = EINVAL; 3161 SCTP_TCB_UNLOCK(stcb); 3162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3163 break; 3164 } 3165 } else 3166#endif 3167#ifdef INET6 3168 if (sa->sa_family == AF_INET6) { 3169 struct sockaddr_in6 *sin6; 3170 3171 sin6 = (struct sockaddr_in6 *)sa; 3172 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3173 error = EINVAL; 3174 SCTP_TCB_UNLOCK(stcb); 3175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3176 break; 3177 } 3178 } else 3179#endif 3180 { 3181 error = EAFNOSUPPORT; 3182 SCTP_TCB_UNLOCK(stcb); 3183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3184 break; 3185 } 3186 } 3187 if (stcb) { 3188 if (net) { 3189 thlds->spt_pathmaxrxt = net->failure_threshold; 3190 thlds->spt_pathpfthld = net->pf_threshold; 3191 } else { 3192 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3193 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3194 } 3195 thlds->spt_assoc_id = sctp_get_associd(stcb); 3196 SCTP_TCB_UNLOCK(stcb); 3197 } else { 3198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3199 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3200 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3201 /* Use endpoint defaults */ 3202 SCTP_INP_RLOCK(inp); 3203 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3204 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3205 SCTP_INP_RUNLOCK(inp); 3206 } else { 3207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3208 error = EINVAL; 3209 } 3210 } 3211 if (error == 0) { 3212 *optsize = sizeof(struct sctp_paddrthlds); 3213 } 3214 break; 3215 } 3216 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3217 { 3218 struct sctp_udpencaps *encaps; 3219 struct sctp_nets *net; 3220 3221 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3222 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3223 3224 if (stcb) { 3225 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3226 } else { 3227 /* 3228 * We increment here since 3229 * sctp_findassociation_ep_addr() wil do a 3230 * decrement if it finds the stcb as long as 3231 * the locked tcb (last argument) is NOT a 3232 * TCB.. aka NULL. 3233 */ 3234 net = NULL; 3235 SCTP_INP_INCR_REF(inp); 3236 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3237 if (stcb == NULL) { 3238 SCTP_INP_DECR_REF(inp); 3239 } 3240 } 3241 if (stcb && (net == NULL)) { 3242 struct sockaddr *sa; 3243 3244 sa = (struct sockaddr *)&encaps->sue_address; 3245#ifdef INET 3246 if (sa->sa_family == AF_INET) { 3247 struct sockaddr_in *sin; 3248 3249 sin = (struct sockaddr_in *)sa; 3250 if (sin->sin_addr.s_addr) { 3251 error = EINVAL; 3252 SCTP_TCB_UNLOCK(stcb); 3253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3254 break; 3255 } 3256 } else 3257#endif 3258#ifdef INET6 3259 if (sa->sa_family == AF_INET6) { 3260 struct sockaddr_in6 *sin6; 3261 3262 sin6 = (struct sockaddr_in6 *)sa; 3263 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3264 error = EINVAL; 3265 SCTP_TCB_UNLOCK(stcb); 3266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3267 break; 3268 } 3269 } else 3270#endif 3271 { 3272 error = EAFNOSUPPORT; 3273 SCTP_TCB_UNLOCK(stcb); 3274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3275 break; 3276 } 3277 } 3278 if (stcb) { 3279 if (net) { 3280 encaps->sue_port = net->port; 3281 } else { 3282 encaps->sue_port = stcb->asoc.port; 3283 } 3284 SCTP_TCB_UNLOCK(stcb); 3285 } else { 3286 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3287 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3288 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3289 SCTP_INP_RLOCK(inp); 3290 encaps->sue_port = inp->sctp_ep.port; 3291 SCTP_INP_RUNLOCK(inp); 3292 } else { 3293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3294 error = EINVAL; 3295 } 3296 } 3297 if (error == 0) { 3298 *optsize = sizeof(struct sctp_paddrparams); 3299 } 3300 break; 3301 } 3302 case SCTP_ENABLE_STREAM_RESET: 3303 { 3304 struct sctp_assoc_value *av; 3305 3306 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3307 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3308 3309 if (stcb) { 3310 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3311 SCTP_TCB_UNLOCK(stcb); 3312 } else { 3313 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3314 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3315 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3316 SCTP_INP_RLOCK(inp); 3317 av->assoc_value = (uint32_t) inp->local_strreset_support; 3318 SCTP_INP_RUNLOCK(inp); 3319 } else { 3320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3321 error = EINVAL; 3322 } 3323 } 3324 if (error == 0) { 3325 *optsize = sizeof(struct sctp_assoc_value); 3326 } 3327 break; 3328 } 3329 default: 3330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3331 error = ENOPROTOOPT; 3332 break; 3333 } /* end switch (sopt->sopt_name) */ 3334 if (error) { 3335 *optsize = 0; 3336 } 3337 return (error); 3338} 3339 3340static int 3341sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3342 void *p) 3343{ 3344 int error, set_opt; 3345 uint32_t *mopt; 3346 struct sctp_tcb *stcb = NULL; 3347 struct sctp_inpcb *inp = NULL; 3348 uint32_t vrf_id; 3349 3350 if (optval == NULL) { 3351 SCTP_PRINTF("optval is NULL\n"); 3352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3353 return (EINVAL); 3354 } 3355 inp = (struct sctp_inpcb *)so->so_pcb; 3356 if (inp == NULL) { 3357 SCTP_PRINTF("inp is NULL?\n"); 3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3359 return (EINVAL); 3360 } 3361 vrf_id = inp->def_vrf_id; 3362 3363 error = 0; 3364 switch (optname) { 3365 case SCTP_NODELAY: 3366 case SCTP_AUTOCLOSE: 3367 case SCTP_AUTO_ASCONF: 3368 case SCTP_EXPLICIT_EOR: 3369 case SCTP_DISABLE_FRAGMENTS: 3370 case SCTP_USE_EXT_RCVINFO: 3371 case SCTP_I_WANT_MAPPED_V4_ADDR: 3372 /* copy in the option value */ 3373 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3374 set_opt = 0; 3375 if (error) 3376 break; 3377 switch (optname) { 3378 case SCTP_DISABLE_FRAGMENTS: 3379 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3380 break; 3381 case SCTP_AUTO_ASCONF: 3382 /* 3383 * NOTE: we don't really support this flag 3384 */ 3385 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3386 /* only valid for bound all sockets */ 3387 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3388 (*mopt != 0)) { 3389 /* forbidden by admin */ 3390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3391 return (EPERM); 3392 } 3393 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3394 } else { 3395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3396 return (EINVAL); 3397 } 3398 break; 3399 case SCTP_EXPLICIT_EOR: 3400 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3401 break; 3402 case SCTP_USE_EXT_RCVINFO: 3403 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3404 break; 3405 case SCTP_I_WANT_MAPPED_V4_ADDR: 3406 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3407 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3408 } else { 3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3410 return (EINVAL); 3411 } 3412 break; 3413 case SCTP_NODELAY: 3414 set_opt = SCTP_PCB_FLAGS_NODELAY; 3415 break; 3416 case SCTP_AUTOCLOSE: 3417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3418 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3420 return (EINVAL); 3421 } 3422 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3423 /* 3424 * The value is in ticks. Note this does not effect 3425 * old associations, only new ones. 3426 */ 3427 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3428 break; 3429 } 3430 SCTP_INP_WLOCK(inp); 3431 if (*mopt != 0) { 3432 sctp_feature_on(inp, set_opt); 3433 } else { 3434 sctp_feature_off(inp, set_opt); 3435 } 3436 SCTP_INP_WUNLOCK(inp); 3437 break; 3438 case SCTP_REUSE_PORT: 3439 { 3440 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3442 /* Can't set it after we are bound */ 3443 error = EINVAL; 3444 break; 3445 } 3446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3447 /* Can't do this for a 1-m socket */ 3448 error = EINVAL; 3449 break; 3450 } 3451 if (optval) 3452 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3453 else 3454 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3455 break; 3456 } 3457 case SCTP_PARTIAL_DELIVERY_POINT: 3458 { 3459 uint32_t *value; 3460 3461 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3462 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3464 error = EINVAL; 3465 break; 3466 } 3467 inp->partial_delivery_point = *value; 3468 break; 3469 } 3470 case SCTP_FRAGMENT_INTERLEAVE: 3471 /* not yet until we re-write sctp_recvmsg() */ 3472 { 3473 uint32_t *level; 3474 3475 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3476 if (*level == SCTP_FRAG_LEVEL_2) { 3477 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3478 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3479 } else if (*level == SCTP_FRAG_LEVEL_1) { 3480 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3481 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3482 } else if (*level == SCTP_FRAG_LEVEL_0) { 3483 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3484 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3485 3486 } else { 3487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3488 error = EINVAL; 3489 } 3490 break; 3491 } 3492 case SCTP_CMT_ON_OFF: 3493 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3494 struct sctp_assoc_value *av; 3495 3496 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3497 if (av->assoc_value > SCTP_CMT_MAX) { 3498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3499 error = EINVAL; 3500 break; 3501 } 3502 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3503 if (stcb) { 3504 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3505 SCTP_TCB_UNLOCK(stcb); 3506 } else { 3507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3509 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3510 (av->assoc_id == SCTP_ALL_ASSOC)) { 3511 SCTP_INP_WLOCK(inp); 3512 inp->sctp_cmt_on_off = av->assoc_value; 3513 SCTP_INP_WUNLOCK(inp); 3514 } 3515 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3516 (av->assoc_id == SCTP_ALL_ASSOC)) { 3517 SCTP_INP_RLOCK(inp); 3518 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3519 SCTP_TCB_LOCK(stcb); 3520 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3521 SCTP_TCB_UNLOCK(stcb); 3522 } 3523 SCTP_INP_RUNLOCK(inp); 3524 } 3525 } 3526 } else { 3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3528 error = ENOPROTOOPT; 3529 } 3530 break; 3531 case SCTP_PLUGGABLE_CC: 3532 { 3533 struct sctp_assoc_value *av; 3534 struct sctp_nets *net; 3535 3536 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3537 if ((av->assoc_value != SCTP_CC_RFC2581) && 3538 (av->assoc_value != SCTP_CC_HSTCP) && 3539 (av->assoc_value != SCTP_CC_HTCP) && 3540 (av->assoc_value != SCTP_CC_RTCC)) { 3541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3542 error = EINVAL; 3543 break; 3544 } 3545 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3546 if (stcb) { 3547 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3548 stcb->asoc.congestion_control_module = av->assoc_value; 3549 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3550 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3551 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3552 } 3553 } 3554 SCTP_TCB_UNLOCK(stcb); 3555 } else { 3556 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3557 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3558 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3559 (av->assoc_id == SCTP_ALL_ASSOC)) { 3560 SCTP_INP_WLOCK(inp); 3561 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3562 SCTP_INP_WUNLOCK(inp); 3563 } 3564 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3565 (av->assoc_id == SCTP_ALL_ASSOC)) { 3566 SCTP_INP_RLOCK(inp); 3567 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3568 SCTP_TCB_LOCK(stcb); 3569 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3570 stcb->asoc.congestion_control_module = av->assoc_value; 3571 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3572 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3573 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3574 } 3575 } 3576 SCTP_TCB_UNLOCK(stcb); 3577 } 3578 SCTP_INP_RUNLOCK(inp); 3579 } 3580 } 3581 break; 3582 } 3583 case SCTP_CC_OPTION: 3584 { 3585 struct sctp_cc_option *cc_opt; 3586 3587 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3588 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3589 if (stcb == NULL) { 3590 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3591 SCTP_INP_RLOCK(inp); 3592 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3593 SCTP_TCB_LOCK(stcb); 3594 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3595 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3596 } 3597 SCTP_TCB_UNLOCK(stcb); 3598 } 3599 SCTP_INP_RUNLOCK(inp); 3600 } else { 3601 error = EINVAL; 3602 } 3603 } else { 3604 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3605 error = ENOTSUP; 3606 } else { 3607 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3608 cc_opt); 3609 } 3610 SCTP_TCB_UNLOCK(stcb); 3611 } 3612 break; 3613 } 3614 case SCTP_PLUGGABLE_SS: 3615 { 3616 struct sctp_assoc_value *av; 3617 3618 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3619 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3620 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3621 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3622 (av->assoc_value != SCTP_SS_PRIORITY) && 3623 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3624 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3626 error = EINVAL; 3627 break; 3628 } 3629 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3630 if (stcb) { 3631 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3632 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3633 stcb->asoc.stream_scheduling_module = av->assoc_value; 3634 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3635 SCTP_TCB_UNLOCK(stcb); 3636 } else { 3637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3638 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3639 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3640 (av->assoc_id == SCTP_ALL_ASSOC)) { 3641 SCTP_INP_WLOCK(inp); 3642 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3643 SCTP_INP_WUNLOCK(inp); 3644 } 3645 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3646 (av->assoc_id == SCTP_ALL_ASSOC)) { 3647 SCTP_INP_RLOCK(inp); 3648 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3649 SCTP_TCB_LOCK(stcb); 3650 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3651 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3652 stcb->asoc.stream_scheduling_module = av->assoc_value; 3653 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3654 SCTP_TCB_UNLOCK(stcb); 3655 } 3656 SCTP_INP_RUNLOCK(inp); 3657 } 3658 } 3659 break; 3660 } 3661 case SCTP_SS_VALUE: 3662 { 3663 struct sctp_stream_value *av; 3664 3665 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3666 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3667 if (stcb) { 3668 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3669 av->stream_value) < 0) { 3670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3671 error = EINVAL; 3672 } 3673 SCTP_TCB_UNLOCK(stcb); 3674 } else { 3675 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3676 SCTP_INP_RLOCK(inp); 3677 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3678 SCTP_TCB_LOCK(stcb); 3679 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3680 &stcb->asoc, 3681 &stcb->asoc.strmout[av->stream_id], 3682 av->stream_value); 3683 SCTP_TCB_UNLOCK(stcb); 3684 } 3685 SCTP_INP_RUNLOCK(inp); 3686 3687 } else { 3688 /* 3689 * Can't set stream value without 3690 * association 3691 */ 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 } 3696 break; 3697 } 3698 case SCTP_CLR_STAT_LOG: 3699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3700 error = EOPNOTSUPP; 3701 break; 3702 case SCTP_CONTEXT: 3703 { 3704 struct sctp_assoc_value *av; 3705 3706 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3707 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3708 3709 if (stcb) { 3710 stcb->asoc.context = av->assoc_value; 3711 SCTP_TCB_UNLOCK(stcb); 3712 } else { 3713 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3714 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3715 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3716 (av->assoc_id == SCTP_ALL_ASSOC)) { 3717 SCTP_INP_WLOCK(inp); 3718 inp->sctp_context = av->assoc_value; 3719 SCTP_INP_WUNLOCK(inp); 3720 } 3721 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3722 (av->assoc_id == SCTP_ALL_ASSOC)) { 3723 SCTP_INP_RLOCK(inp); 3724 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3725 SCTP_TCB_LOCK(stcb); 3726 stcb->asoc.context = av->assoc_value; 3727 SCTP_TCB_UNLOCK(stcb); 3728 } 3729 SCTP_INP_RUNLOCK(inp); 3730 } 3731 } 3732 break; 3733 } 3734 case SCTP_VRF_ID: 3735 { 3736 uint32_t *default_vrfid; 3737 3738 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3739 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3741 error = EINVAL; 3742 break; 3743 } 3744 inp->def_vrf_id = *default_vrfid; 3745 break; 3746 } 3747 case SCTP_DEL_VRF_ID: 3748 { 3749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3750 error = EOPNOTSUPP; 3751 break; 3752 } 3753 case SCTP_ADD_VRF_ID: 3754 { 3755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3756 error = EOPNOTSUPP; 3757 break; 3758 } 3759 case SCTP_DELAYED_SACK: 3760 { 3761 struct sctp_sack_info *sack; 3762 3763 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3764 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3765 if (sack->sack_delay) { 3766 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3767 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3768 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3769 sack->sack_delay = TICKS_TO_MSEC(1); 3770 } 3771 } 3772 if (stcb) { 3773 if (sack->sack_delay) { 3774 stcb->asoc.delayed_ack = sack->sack_delay; 3775 } 3776 if (sack->sack_freq) { 3777 stcb->asoc.sack_freq = sack->sack_freq; 3778 } 3779 SCTP_TCB_UNLOCK(stcb); 3780 } else { 3781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3783 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3784 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3785 SCTP_INP_WLOCK(inp); 3786 if (sack->sack_delay) { 3787 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3788 } 3789 if (sack->sack_freq) { 3790 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3791 } 3792 SCTP_INP_WUNLOCK(inp); 3793 } 3794 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3795 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3796 SCTP_INP_RLOCK(inp); 3797 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3798 SCTP_TCB_LOCK(stcb); 3799 if (sack->sack_delay) { 3800 stcb->asoc.delayed_ack = sack->sack_delay; 3801 } 3802 if (sack->sack_freq) { 3803 stcb->asoc.sack_freq = sack->sack_freq; 3804 } 3805 SCTP_TCB_UNLOCK(stcb); 3806 } 3807 SCTP_INP_RUNLOCK(inp); 3808 } 3809 } 3810 break; 3811 } 3812 case SCTP_AUTH_CHUNK: 3813 { 3814 struct sctp_authchunk *sauth; 3815 3816 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3817 3818 SCTP_INP_WLOCK(inp); 3819 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3821 error = EINVAL; 3822 } 3823 SCTP_INP_WUNLOCK(inp); 3824 break; 3825 } 3826 case SCTP_AUTH_KEY: 3827 { 3828 struct sctp_authkey *sca; 3829 struct sctp_keyhead *shared_keys; 3830 sctp_sharedkey_t *shared_key; 3831 sctp_key_t *key = NULL; 3832 size_t size; 3833 3834 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3835 if (sca->sca_keylength == 0) { 3836 size = optsize - sizeof(struct sctp_authkey); 3837 } else { 3838 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3839 size = sca->sca_keylength; 3840 } else { 3841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3842 error = EINVAL; 3843 break; 3844 } 3845 } 3846 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3847 3848 if (stcb) { 3849 shared_keys = &stcb->asoc.shared_keys; 3850 /* clear the cached keys for this key id */ 3851 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3852 /* 3853 * create the new shared key and 3854 * insert/replace it 3855 */ 3856 if (size > 0) { 3857 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3858 if (key == NULL) { 3859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3860 error = ENOMEM; 3861 SCTP_TCB_UNLOCK(stcb); 3862 break; 3863 } 3864 } 3865 shared_key = sctp_alloc_sharedkey(); 3866 if (shared_key == NULL) { 3867 sctp_free_key(key); 3868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3869 error = ENOMEM; 3870 SCTP_TCB_UNLOCK(stcb); 3871 break; 3872 } 3873 shared_key->key = key; 3874 shared_key->keyid = sca->sca_keynumber; 3875 error = sctp_insert_sharedkey(shared_keys, shared_key); 3876 SCTP_TCB_UNLOCK(stcb); 3877 } else { 3878 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3879 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3880 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3881 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3882 SCTP_INP_WLOCK(inp); 3883 shared_keys = &inp->sctp_ep.shared_keys; 3884 /* 3885 * clear the cached keys on all 3886 * assocs for this key id 3887 */ 3888 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3889 /* 3890 * create the new shared key and 3891 * insert/replace it 3892 */ 3893 if (size > 0) { 3894 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3895 if (key == NULL) { 3896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3897 error = ENOMEM; 3898 SCTP_INP_WUNLOCK(inp); 3899 break; 3900 } 3901 } 3902 shared_key = sctp_alloc_sharedkey(); 3903 if (shared_key == NULL) { 3904 sctp_free_key(key); 3905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3906 error = ENOMEM; 3907 SCTP_INP_WUNLOCK(inp); 3908 break; 3909 } 3910 shared_key->key = key; 3911 shared_key->keyid = sca->sca_keynumber; 3912 error = sctp_insert_sharedkey(shared_keys, shared_key); 3913 SCTP_INP_WUNLOCK(inp); 3914 } 3915 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3916 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3917 SCTP_INP_RLOCK(inp); 3918 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3919 SCTP_TCB_LOCK(stcb); 3920 shared_keys = &stcb->asoc.shared_keys; 3921 /* 3922 * clear the cached keys for 3923 * this key id 3924 */ 3925 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3926 /* 3927 * create the new shared key 3928 * and insert/replace it 3929 */ 3930 if (size > 0) { 3931 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3932 if (key == NULL) { 3933 SCTP_TCB_UNLOCK(stcb); 3934 continue; 3935 } 3936 } 3937 shared_key = sctp_alloc_sharedkey(); 3938 if (shared_key == NULL) { 3939 sctp_free_key(key); 3940 SCTP_TCB_UNLOCK(stcb); 3941 continue; 3942 } 3943 shared_key->key = key; 3944 shared_key->keyid = sca->sca_keynumber; 3945 error = sctp_insert_sharedkey(shared_keys, shared_key); 3946 SCTP_TCB_UNLOCK(stcb); 3947 } 3948 SCTP_INP_RUNLOCK(inp); 3949 } 3950 } 3951 break; 3952 } 3953 case SCTP_HMAC_IDENT: 3954 { 3955 struct sctp_hmacalgo *shmac; 3956 sctp_hmaclist_t *hmaclist; 3957 uint16_t hmacid; 3958 uint32_t i; 3959 size_t found; 3960 3961 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3962 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3964 error = EINVAL; 3965 break; 3966 } 3967 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3968 if (hmaclist == NULL) { 3969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3970 error = ENOMEM; 3971 break; 3972 } 3973 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3974 hmacid = shmac->shmac_idents[i]; 3975 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3976 /* invalid HMACs were found */ ; 3977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3978 error = EINVAL; 3979 sctp_free_hmaclist(hmaclist); 3980 goto sctp_set_hmac_done; 3981 } 3982 } 3983 found = 0; 3984 for (i = 0; i < hmaclist->num_algo; i++) { 3985 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3986 /* already in list */ 3987 found = 1; 3988 } 3989 } 3990 if (!found) { 3991 sctp_free_hmaclist(hmaclist); 3992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3993 error = EINVAL; 3994 break; 3995 } 3996 /* set it on the endpoint */ 3997 SCTP_INP_WLOCK(inp); 3998 if (inp->sctp_ep.local_hmacs) 3999 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4000 inp->sctp_ep.local_hmacs = hmaclist; 4001 SCTP_INP_WUNLOCK(inp); 4002 sctp_set_hmac_done: 4003 break; 4004 } 4005 case SCTP_AUTH_ACTIVE_KEY: 4006 { 4007 struct sctp_authkeyid *scact; 4008 4009 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4010 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4011 4012 /* set the active key on the right place */ 4013 if (stcb) { 4014 /* set the active key on the assoc */ 4015 if (sctp_auth_setactivekey(stcb, 4016 scact->scact_keynumber)) { 4017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4018 SCTP_FROM_SCTP_USRREQ, 4019 EINVAL); 4020 error = EINVAL; 4021 } 4022 SCTP_TCB_UNLOCK(stcb); 4023 } else { 4024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4025 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4026 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4027 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4028 SCTP_INP_WLOCK(inp); 4029 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4031 error = EINVAL; 4032 } 4033 SCTP_INP_WUNLOCK(inp); 4034 } 4035 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4036 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4037 SCTP_INP_RLOCK(inp); 4038 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4039 SCTP_TCB_LOCK(stcb); 4040 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4041 SCTP_TCB_UNLOCK(stcb); 4042 } 4043 SCTP_INP_RUNLOCK(inp); 4044 } 4045 } 4046 break; 4047 } 4048 case SCTP_AUTH_DELETE_KEY: 4049 { 4050 struct sctp_authkeyid *scdel; 4051 4052 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4053 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4054 4055 /* delete the key from the right place */ 4056 if (stcb) { 4057 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4059 error = EINVAL; 4060 } 4061 SCTP_TCB_UNLOCK(stcb); 4062 } else { 4063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4064 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4065 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4066 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4067 SCTP_INP_WLOCK(inp); 4068 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4070 error = EINVAL; 4071 } 4072 SCTP_INP_WUNLOCK(inp); 4073 } 4074 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4075 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_RLOCK(inp); 4077 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4078 SCTP_TCB_LOCK(stcb); 4079 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4080 SCTP_TCB_UNLOCK(stcb); 4081 } 4082 SCTP_INP_RUNLOCK(inp); 4083 } 4084 } 4085 break; 4086 } 4087 case SCTP_AUTH_DEACTIVATE_KEY: 4088 { 4089 struct sctp_authkeyid *keyid; 4090 4091 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4092 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4093 4094 /* deactivate the key from the right place */ 4095 if (stcb) { 4096 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4098 error = EINVAL; 4099 } 4100 SCTP_TCB_UNLOCK(stcb); 4101 } else { 4102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4104 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4105 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4106 SCTP_INP_WLOCK(inp); 4107 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4109 error = EINVAL; 4110 } 4111 SCTP_INP_WUNLOCK(inp); 4112 } 4113 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4114 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4115 SCTP_INP_RLOCK(inp); 4116 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4117 SCTP_TCB_LOCK(stcb); 4118 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4119 SCTP_TCB_UNLOCK(stcb); 4120 } 4121 SCTP_INP_RUNLOCK(inp); 4122 } 4123 } 4124 break; 4125 } 4126 case SCTP_ENABLE_STREAM_RESET: 4127 { 4128 struct sctp_assoc_value *av; 4129 4130 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4131 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4133 error = EINVAL; 4134 break; 4135 } 4136 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4137 if (stcb) { 4138 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4139 SCTP_TCB_UNLOCK(stcb); 4140 } else { 4141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4143 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4144 (av->assoc_id == SCTP_ALL_ASSOC)) { 4145 SCTP_INP_WLOCK(inp); 4146 inp->local_strreset_support = (uint8_t) av->assoc_value; 4147 SCTP_INP_WUNLOCK(inp); 4148 } 4149 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4150 (av->assoc_id == SCTP_ALL_ASSOC)) { 4151 SCTP_INP_RLOCK(inp); 4152 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4153 SCTP_TCB_LOCK(stcb); 4154 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4155 SCTP_TCB_UNLOCK(stcb); 4156 } 4157 SCTP_INP_RUNLOCK(inp); 4158 } 4159 } 4160 break; 4161 } 4162 case SCTP_RESET_STREAMS: 4163 { 4164 struct sctp_reset_streams *strrst; 4165 int i, send_out = 0; 4166 int send_in = 0; 4167 4168 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4169 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4170 if (stcb == NULL) { 4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4172 error = ENOENT; 4173 break; 4174 } 4175 if (stcb->asoc.peer_supports_strreset == 0) { 4176 /* 4177 * Peer does not support the chunk type. 4178 */ 4179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4180 error = EOPNOTSUPP; 4181 SCTP_TCB_UNLOCK(stcb); 4182 break; 4183 } 4184 if (stcb->asoc.stream_reset_outstanding) { 4185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4186 error = EALREADY; 4187 SCTP_TCB_UNLOCK(stcb); 4188 break; 4189 } 4190 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4191 send_in = 1; 4192 } 4193 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4194 send_out = 1; 4195 } 4196 if ((send_in == 0) && (send_out == 0)) { 4197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4198 error = EINVAL; 4199 SCTP_TCB_UNLOCK(stcb); 4200 break; 4201 } 4202 for (i = 0; i < strrst->srs_number_streams; i++) { 4203 if ((send_in) && 4204 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4206 error = EINVAL; 4207 break; 4208 } 4209 if ((send_out) && 4210 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4212 error = EINVAL; 4213 break; 4214 } 4215 } 4216 if (error) { 4217 SCTP_TCB_UNLOCK(stcb); 4218 break; 4219 } 4220 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4221 strrst->srs_stream_list, 4222 send_out, send_in, 0, 0, 0, 0, 0); 4223 4224 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4225 SCTP_TCB_UNLOCK(stcb); 4226 break; 4227 } 4228 case SCTP_ADD_STREAMS: 4229 { 4230 struct sctp_add_streams *stradd; 4231 uint8_t addstream = 0; 4232 uint16_t add_o_strmcnt = 0; 4233 uint16_t add_i_strmcnt = 0; 4234 4235 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4236 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4237 if (stcb == NULL) { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4239 error = ENOENT; 4240 break; 4241 } 4242 if (stcb->asoc.peer_supports_strreset == 0) { 4243 /* 4244 * Peer does not support the chunk type. 4245 */ 4246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4247 error = EOPNOTSUPP; 4248 SCTP_TCB_UNLOCK(stcb); 4249 break; 4250 } 4251 if (stcb->asoc.stream_reset_outstanding) { 4252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4253 error = EALREADY; 4254 SCTP_TCB_UNLOCK(stcb); 4255 break; 4256 } 4257 if ((stradd->sas_outstrms == 0) && 4258 (stradd->sas_instrms == 0)) { 4259 error = EINVAL; 4260 goto skip_stuff; 4261 } 4262 if (stradd->sas_outstrms) { 4263 addstream = 1; 4264 /* We allocate here */ 4265 add_o_strmcnt = stradd->sas_outstrms; 4266 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4267 /* You can't have more than 64k */ 4268 error = EINVAL; 4269 goto skip_stuff; 4270 } 4271 } 4272 if (stradd->sas_instrms) { 4273 int cnt; 4274 4275 addstream |= 2; 4276 /* 4277 * We allocate inside 4278 * sctp_send_str_reset_req() 4279 */ 4280 add_i_strmcnt = stradd->sas_instrms; 4281 cnt = add_i_strmcnt; 4282 cnt += stcb->asoc.streamincnt; 4283 if (cnt > 0x0000ffff) { 4284 /* You can't have more than 64k */ 4285 error = EINVAL; 4286 goto skip_stuff; 4287 } 4288 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4289 /* More than you are allowed */ 4290 error = EINVAL; 4291 goto skip_stuff; 4292 } 4293 } 4294 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4295 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4296 skip_stuff: 4297 SCTP_TCB_UNLOCK(stcb); 4298 break; 4299 } 4300 case SCTP_RESET_ASSOC: 4301 { 4302 uint32_t *value; 4303 4304 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4305 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4306 if (stcb == NULL) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4308 error = ENOENT; 4309 break; 4310 } 4311 if (stcb->asoc.peer_supports_strreset == 0) { 4312 /* 4313 * Peer does not support the chunk type. 4314 */ 4315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4316 error = EOPNOTSUPP; 4317 SCTP_TCB_UNLOCK(stcb); 4318 break; 4319 } 4320 if (stcb->asoc.stream_reset_outstanding) { 4321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4322 error = EALREADY; 4323 SCTP_TCB_UNLOCK(stcb); 4324 break; 4325 } 4326 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4327 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4328 SCTP_TCB_UNLOCK(stcb); 4329 break; 4330 } 4331 case SCTP_CONNECT_X: 4332 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4334 error = EINVAL; 4335 break; 4336 } 4337 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4338 break; 4339 case SCTP_CONNECT_X_DELAYED: 4340 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4342 error = EINVAL; 4343 break; 4344 } 4345 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4346 break; 4347 case SCTP_CONNECT_X_COMPLETE: 4348 { 4349 struct sockaddr *sa; 4350 struct sctp_nets *net; 4351 4352 /* FIXME MT: check correct? */ 4353 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4354 4355 /* find tcb */ 4356 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4357 SCTP_INP_RLOCK(inp); 4358 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4359 if (stcb) { 4360 SCTP_TCB_LOCK(stcb); 4361 net = sctp_findnet(stcb, sa); 4362 } 4363 SCTP_INP_RUNLOCK(inp); 4364 } else { 4365 /* 4366 * We increment here since 4367 * sctp_findassociation_ep_addr() wil do a 4368 * decrement if it finds the stcb as long as 4369 * the locked tcb (last argument) is NOT a 4370 * TCB.. aka NULL. 4371 */ 4372 SCTP_INP_INCR_REF(inp); 4373 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4374 if (stcb == NULL) { 4375 SCTP_INP_DECR_REF(inp); 4376 } 4377 } 4378 4379 if (stcb == NULL) { 4380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4381 error = ENOENT; 4382 break; 4383 } 4384 if (stcb->asoc.delayed_connection == 1) { 4385 stcb->asoc.delayed_connection = 0; 4386 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4387 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4388 stcb->asoc.primary_destination, 4389 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4390 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4391 } else { 4392 /* 4393 * already expired or did not use delayed 4394 * connectx 4395 */ 4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4397 error = EALREADY; 4398 } 4399 SCTP_TCB_UNLOCK(stcb); 4400 break; 4401 } 4402 case SCTP_MAX_BURST: 4403 { 4404 struct sctp_assoc_value *av; 4405 4406 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4407 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4408 4409 if (stcb) { 4410 stcb->asoc.max_burst = av->assoc_value; 4411 SCTP_TCB_UNLOCK(stcb); 4412 } else { 4413 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4414 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4415 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4416 (av->assoc_id == SCTP_ALL_ASSOC)) { 4417 SCTP_INP_WLOCK(inp); 4418 inp->sctp_ep.max_burst = av->assoc_value; 4419 SCTP_INP_WUNLOCK(inp); 4420 } 4421 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4422 (av->assoc_id == SCTP_ALL_ASSOC)) { 4423 SCTP_INP_RLOCK(inp); 4424 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4425 SCTP_TCB_LOCK(stcb); 4426 stcb->asoc.max_burst = av->assoc_value; 4427 SCTP_TCB_UNLOCK(stcb); 4428 } 4429 SCTP_INP_RUNLOCK(inp); 4430 } 4431 } 4432 break; 4433 } 4434 case SCTP_MAXSEG: 4435 { 4436 struct sctp_assoc_value *av; 4437 int ovh; 4438 4439 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4440 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4441 4442 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4443 ovh = SCTP_MED_OVERHEAD; 4444 } else { 4445 ovh = SCTP_MED_V4_OVERHEAD; 4446 } 4447 if (stcb) { 4448 if (av->assoc_value) { 4449 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4450 } else { 4451 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4452 } 4453 SCTP_TCB_UNLOCK(stcb); 4454 } else { 4455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4457 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4458 SCTP_INP_WLOCK(inp); 4459 /* 4460 * FIXME MT: I think this is not in 4461 * tune with the API ID 4462 */ 4463 if (av->assoc_value) { 4464 inp->sctp_frag_point = (av->assoc_value + ovh); 4465 } else { 4466 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4467 } 4468 SCTP_INP_WUNLOCK(inp); 4469 } else { 4470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4471 error = EINVAL; 4472 } 4473 } 4474 break; 4475 } 4476 case SCTP_EVENTS: 4477 { 4478 struct sctp_event_subscribe *events; 4479 4480 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4481 4482 SCTP_INP_WLOCK(inp); 4483 if (events->sctp_data_io_event) { 4484 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4485 } else { 4486 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4487 } 4488 4489 if (events->sctp_association_event) { 4490 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4491 } else { 4492 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4493 } 4494 4495 if (events->sctp_address_event) { 4496 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4497 } else { 4498 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4499 } 4500 4501 if (events->sctp_send_failure_event) { 4502 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4503 } else { 4504 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4505 } 4506 4507 if (events->sctp_peer_error_event) { 4508 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4509 } else { 4510 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4511 } 4512 4513 if (events->sctp_shutdown_event) { 4514 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4515 } else { 4516 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4517 } 4518 4519 if (events->sctp_partial_delivery_event) { 4520 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4521 } else { 4522 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4523 } 4524 4525 if (events->sctp_adaptation_layer_event) { 4526 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4527 } else { 4528 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4529 } 4530 4531 if (events->sctp_authentication_event) { 4532 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4533 } else { 4534 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4535 } 4536 4537 if (events->sctp_sender_dry_event) { 4538 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4539 } else { 4540 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4541 } 4542 4543 if (events->sctp_stream_reset_event) { 4544 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4545 } else { 4546 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4547 } 4548 SCTP_INP_WUNLOCK(inp); 4549 4550 SCTP_INP_RLOCK(inp); 4551 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4552 SCTP_TCB_LOCK(stcb); 4553 if (events->sctp_association_event) { 4554 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4555 } else { 4556 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4557 } 4558 if (events->sctp_address_event) { 4559 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4560 } else { 4561 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4562 } 4563 if (events->sctp_send_failure_event) { 4564 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4565 } else { 4566 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4567 } 4568 if (events->sctp_peer_error_event) { 4569 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4570 } else { 4571 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4572 } 4573 if (events->sctp_shutdown_event) { 4574 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4575 } else { 4576 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4577 } 4578 if (events->sctp_partial_delivery_event) { 4579 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4580 } else { 4581 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4582 } 4583 if (events->sctp_adaptation_layer_event) { 4584 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4585 } else { 4586 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4587 } 4588 if (events->sctp_authentication_event) { 4589 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4590 } else { 4591 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4592 } 4593 if (events->sctp_sender_dry_event) { 4594 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4595 } else { 4596 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4597 } 4598 if (events->sctp_stream_reset_event) { 4599 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4600 } else { 4601 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4602 } 4603 SCTP_TCB_UNLOCK(stcb); 4604 } 4605 /* 4606 * Send up the sender dry event only for 1-to-1 4607 * style sockets. 4608 */ 4609 if (events->sctp_sender_dry_event) { 4610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4612 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4613 if (stcb) { 4614 SCTP_TCB_LOCK(stcb); 4615 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4616 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4617 (stcb->asoc.stream_queue_cnt == 0)) { 4618 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4619 } 4620 SCTP_TCB_UNLOCK(stcb); 4621 } 4622 } 4623 } 4624 SCTP_INP_RUNLOCK(inp); 4625 break; 4626 } 4627 case SCTP_ADAPTATION_LAYER: 4628 { 4629 struct sctp_setadaptation *adap_bits; 4630 4631 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4632 SCTP_INP_WLOCK(inp); 4633 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4634 SCTP_INP_WUNLOCK(inp); 4635 break; 4636 } 4637#ifdef SCTP_DEBUG 4638 case SCTP_SET_INITIAL_DBG_SEQ: 4639 { 4640 uint32_t *vvv; 4641 4642 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4643 SCTP_INP_WLOCK(inp); 4644 inp->sctp_ep.initial_sequence_debug = *vvv; 4645 SCTP_INP_WUNLOCK(inp); 4646 break; 4647 } 4648#endif 4649 case SCTP_DEFAULT_SEND_PARAM: 4650 { 4651 struct sctp_sndrcvinfo *s_info; 4652 4653 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4654 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4655 4656 if (stcb) { 4657 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4658 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4659 } else { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4661 error = EINVAL; 4662 } 4663 SCTP_TCB_UNLOCK(stcb); 4664 } else { 4665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4667 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4668 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4669 SCTP_INP_WLOCK(inp); 4670 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4671 SCTP_INP_WUNLOCK(inp); 4672 } 4673 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4674 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4675 SCTP_INP_RLOCK(inp); 4676 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4677 SCTP_TCB_LOCK(stcb); 4678 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4679 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4680 } 4681 SCTP_TCB_UNLOCK(stcb); 4682 } 4683 SCTP_INP_RUNLOCK(inp); 4684 } 4685 } 4686 break; 4687 } 4688 case SCTP_PEER_ADDR_PARAMS: 4689 { 4690 struct sctp_paddrparams *paddrp; 4691 struct sctp_nets *net; 4692 4693 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4694 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4695 net = NULL; 4696 if (stcb) { 4697 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4698 } else { 4699 /* 4700 * We increment here since 4701 * sctp_findassociation_ep_addr() wil do a 4702 * decrement if it finds the stcb as long as 4703 * the locked tcb (last argument) is NOT a 4704 * TCB.. aka NULL. 4705 */ 4706 SCTP_INP_INCR_REF(inp); 4707 stcb = sctp_findassociation_ep_addr(&inp, 4708 (struct sockaddr *)&paddrp->spp_address, 4709 &net, NULL, NULL); 4710 if (stcb == NULL) { 4711 SCTP_INP_DECR_REF(inp); 4712 } 4713 } 4714 if (stcb && (net == NULL)) { 4715 struct sockaddr *sa; 4716 4717 sa = (struct sockaddr *)&paddrp->spp_address; 4718#ifdef INET 4719 if (sa->sa_family == AF_INET) { 4720 4721 struct sockaddr_in *sin; 4722 4723 sin = (struct sockaddr_in *)sa; 4724 if (sin->sin_addr.s_addr) { 4725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4726 SCTP_TCB_UNLOCK(stcb); 4727 error = EINVAL; 4728 break; 4729 } 4730 } else 4731#endif 4732#ifdef INET6 4733 if (sa->sa_family == AF_INET6) { 4734 struct sockaddr_in6 *sin6; 4735 4736 sin6 = (struct sockaddr_in6 *)sa; 4737 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4739 SCTP_TCB_UNLOCK(stcb); 4740 error = EINVAL; 4741 break; 4742 } 4743 } else 4744#endif 4745 { 4746 error = EAFNOSUPPORT; 4747 SCTP_TCB_UNLOCK(stcb); 4748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4749 break; 4750 } 4751 } 4752 /* sanity checks */ 4753 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4754 if (stcb) 4755 SCTP_TCB_UNLOCK(stcb); 4756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4757 return (EINVAL); 4758 } 4759 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4760 if (stcb) 4761 SCTP_TCB_UNLOCK(stcb); 4762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4763 return (EINVAL); 4764 } 4765 if (stcb) { 4766 /************************TCB SPECIFIC SET ******************/ 4767 /* 4768 * do we change the timer for HB, we run 4769 * only one? 4770 */ 4771 int ovh = 0; 4772 4773 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4774 ovh = SCTP_MED_OVERHEAD; 4775 } else { 4776 ovh = SCTP_MED_V4_OVERHEAD; 4777 } 4778 4779 /* network sets ? */ 4780 if (net) { 4781 /************************NET SPECIFIC SET ******************/ 4782 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4783 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4784 !(net->dest_state & SCTP_ADDR_NOHB)) { 4785 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4786 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4787 } 4788 net->dest_state |= SCTP_ADDR_NOHB; 4789 } 4790 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4791 if (paddrp->spp_hbinterval) { 4792 net->heart_beat_delay = paddrp->spp_hbinterval; 4793 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4794 net->heart_beat_delay = 0; 4795 } 4796 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4797 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4798 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4799 net->dest_state &= ~SCTP_ADDR_NOHB; 4800 } 4801 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4802 /* on demand HB */ 4803 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4804 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4805 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4806 } 4807 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4808 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4809 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4810 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4811 } 4812 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4813 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4814 net->mtu = paddrp->spp_pathmtu + ovh; 4815 if (net->mtu < stcb->asoc.smallest_mtu) { 4816 sctp_pathmtu_adjustment(stcb, net->mtu); 4817 } 4818 } 4819 } 4820 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4821 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4822 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4823 } 4824 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4825 } 4826 if (paddrp->spp_pathmaxrxt) { 4827 if (net->dest_state & SCTP_ADDR_PF) { 4828 if (net->error_count > paddrp->spp_pathmaxrxt) { 4829 net->dest_state &= ~SCTP_ADDR_PF; 4830 } 4831 } else { 4832 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4833 (net->error_count > net->pf_threshold)) { 4834 net->dest_state |= SCTP_ADDR_PF; 4835 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4836 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4837 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4838 } 4839 } 4840 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4841 if (net->error_count > paddrp->spp_pathmaxrxt) { 4842 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4843 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4844 } 4845 } else { 4846 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4847 net->dest_state |= SCTP_ADDR_REACHABLE; 4848 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4849 } 4850 } 4851 net->failure_threshold = paddrp->spp_pathmaxrxt; 4852 } 4853 if (paddrp->spp_flags & SPP_DSCP) { 4854 net->dscp = paddrp->spp_dscp & 0xfc; 4855 net->dscp |= 0x01; 4856 } 4857#ifdef INET6 4858 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4859 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4860 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4861 net->flowlabel |= 0x80000000; 4862 } 4863 } 4864#endif 4865 } else { 4866 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4867 if (paddrp->spp_pathmaxrxt) { 4868 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4869 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4870 if (net->dest_state & SCTP_ADDR_PF) { 4871 if (net->error_count > paddrp->spp_pathmaxrxt) { 4872 net->dest_state &= ~SCTP_ADDR_PF; 4873 } 4874 } else { 4875 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4876 (net->error_count > net->pf_threshold)) { 4877 net->dest_state |= SCTP_ADDR_PF; 4878 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4879 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4880 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4881 } 4882 } 4883 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4884 if (net->error_count > paddrp->spp_pathmaxrxt) { 4885 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4886 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4887 } 4888 } else { 4889 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4890 net->dest_state |= SCTP_ADDR_REACHABLE; 4891 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4892 } 4893 } 4894 net->failure_threshold = paddrp->spp_pathmaxrxt; 4895 } 4896 } 4897 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4898 if (paddrp->spp_hbinterval) { 4899 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4900 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4901 stcb->asoc.heart_beat_delay = 0; 4902 } 4903 /* Turn back on the timer */ 4904 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4905 if (paddrp->spp_hbinterval) { 4906 net->heart_beat_delay = paddrp->spp_hbinterval; 4907 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4908 net->heart_beat_delay = 0; 4909 } 4910 if (net->dest_state & SCTP_ADDR_NOHB) { 4911 net->dest_state &= ~SCTP_ADDR_NOHB; 4912 } 4913 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4914 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4915 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4916 } 4917 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4918 } 4919 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4920 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4921 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4922 net->dest_state |= SCTP_ADDR_NOHB; 4923 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4924 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4925 } 4926 } 4927 } 4928 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4929 } 4930 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4931 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4932 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4933 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4934 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4935 } 4936 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4937 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4938 net->mtu = paddrp->spp_pathmtu + ovh; 4939 if (net->mtu < stcb->asoc.smallest_mtu) { 4940 sctp_pathmtu_adjustment(stcb, net->mtu); 4941 } 4942 } 4943 } 4944 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4945 } 4946 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4947 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4948 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4949 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4950 } 4951 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4952 } 4953 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4954 } 4955 if (paddrp->spp_flags & SPP_DSCP) { 4956 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4957 net->dscp = paddrp->spp_dscp & 0xfc; 4958 net->dscp |= 0x01; 4959 } 4960 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4961 stcb->asoc.default_dscp |= 0x01; 4962 } 4963#ifdef INET6 4964 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4965 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4966 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4967 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4968 net->flowlabel |= 0x80000000; 4969 } 4970 } 4971 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4972 stcb->asoc.default_flowlabel |= 0x80000000; 4973 } 4974#endif 4975 } 4976 SCTP_TCB_UNLOCK(stcb); 4977 } else { 4978 /************************NO TCB, SET TO default stuff ******************/ 4979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4980 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4981 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4982 SCTP_INP_WLOCK(inp); 4983 /* 4984 * For the TOS/FLOWLABEL stuff you 4985 * set it with the options on the 4986 * socket 4987 */ 4988 if (paddrp->spp_pathmaxrxt) { 4989 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4990 } 4991 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4992 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4993 else if (paddrp->spp_hbinterval) { 4994 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4995 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4996 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4997 } 4998 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4999 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5000 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5001 } else if (paddrp->spp_hbinterval) { 5002 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5003 } 5004 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5005 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5006 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5007 } 5008 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5009 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5010 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5011 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5012 } 5013 if (paddrp->spp_flags & SPP_DSCP) { 5014 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5015 inp->sctp_ep.default_dscp |= 0x01; 5016 } 5017#ifdef INET6 5018 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5019 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5020 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5021 inp->sctp_ep.default_flowlabel |= 0x80000000; 5022 } 5023 } 5024#endif 5025 SCTP_INP_WUNLOCK(inp); 5026 } else { 5027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5028 error = EINVAL; 5029 } 5030 } 5031 break; 5032 } 5033 case SCTP_RTOINFO: 5034 { 5035 struct sctp_rtoinfo *srto; 5036 uint32_t new_init, new_min, new_max; 5037 5038 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5039 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5040 5041 if (stcb) { 5042 if (srto->srto_initial) 5043 new_init = srto->srto_initial; 5044 else 5045 new_init = stcb->asoc.initial_rto; 5046 if (srto->srto_max) 5047 new_max = srto->srto_max; 5048 else 5049 new_max = stcb->asoc.maxrto; 5050 if (srto->srto_min) 5051 new_min = srto->srto_min; 5052 else 5053 new_min = stcb->asoc.minrto; 5054 if ((new_min <= new_init) && (new_init <= new_max)) { 5055 stcb->asoc.initial_rto = new_init; 5056 stcb->asoc.maxrto = new_max; 5057 stcb->asoc.minrto = new_min; 5058 } else { 5059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5060 error = EINVAL; 5061 } 5062 SCTP_TCB_UNLOCK(stcb); 5063 } else { 5064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5066 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5067 SCTP_INP_WLOCK(inp); 5068 if (srto->srto_initial) 5069 new_init = srto->srto_initial; 5070 else 5071 new_init = inp->sctp_ep.initial_rto; 5072 if (srto->srto_max) 5073 new_max = srto->srto_max; 5074 else 5075 new_max = inp->sctp_ep.sctp_maxrto; 5076 if (srto->srto_min) 5077 new_min = srto->srto_min; 5078 else 5079 new_min = inp->sctp_ep.sctp_minrto; 5080 if ((new_min <= new_init) && (new_init <= new_max)) { 5081 inp->sctp_ep.initial_rto = new_init; 5082 inp->sctp_ep.sctp_maxrto = new_max; 5083 inp->sctp_ep.sctp_minrto = new_min; 5084 } else { 5085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5086 error = EINVAL; 5087 } 5088 SCTP_INP_WUNLOCK(inp); 5089 } else { 5090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5091 error = EINVAL; 5092 } 5093 } 5094 break; 5095 } 5096 case SCTP_ASSOCINFO: 5097 { 5098 struct sctp_assocparams *sasoc; 5099 5100 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5101 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5102 if (sasoc->sasoc_cookie_life) { 5103 /* boundary check the cookie life */ 5104 if (sasoc->sasoc_cookie_life < 1000) 5105 sasoc->sasoc_cookie_life = 1000; 5106 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5107 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5108 } 5109 } 5110 if (stcb) { 5111 if (sasoc->sasoc_asocmaxrxt) 5112 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5113 if (sasoc->sasoc_cookie_life) { 5114 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5115 } 5116 SCTP_TCB_UNLOCK(stcb); 5117 } else { 5118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5119 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5120 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5121 SCTP_INP_WLOCK(inp); 5122 if (sasoc->sasoc_asocmaxrxt) 5123 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5124 if (sasoc->sasoc_cookie_life) { 5125 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5126 } 5127 SCTP_INP_WUNLOCK(inp); 5128 } else { 5129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5130 error = EINVAL; 5131 } 5132 } 5133 break; 5134 } 5135 case SCTP_INITMSG: 5136 { 5137 struct sctp_initmsg *sinit; 5138 5139 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5140 SCTP_INP_WLOCK(inp); 5141 if (sinit->sinit_num_ostreams) 5142 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5143 5144 if (sinit->sinit_max_instreams) 5145 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5146 5147 if (sinit->sinit_max_attempts) 5148 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5149 5150 if (sinit->sinit_max_init_timeo) 5151 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5152 SCTP_INP_WUNLOCK(inp); 5153 break; 5154 } 5155 case SCTP_PRIMARY_ADDR: 5156 { 5157 struct sctp_setprim *spa; 5158 struct sctp_nets *net; 5159 5160 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5161 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5162 5163 net = NULL; 5164 if (stcb) { 5165 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5166 } else { 5167 /* 5168 * We increment here since 5169 * sctp_findassociation_ep_addr() wil do a 5170 * decrement if it finds the stcb as long as 5171 * the locked tcb (last argument) is NOT a 5172 * TCB.. aka NULL. 5173 */ 5174 SCTP_INP_INCR_REF(inp); 5175 stcb = sctp_findassociation_ep_addr(&inp, 5176 (struct sockaddr *)&spa->ssp_addr, 5177 &net, NULL, NULL); 5178 if (stcb == NULL) { 5179 SCTP_INP_DECR_REF(inp); 5180 } 5181 } 5182 5183 if ((stcb) && (net)) { 5184 if ((net != stcb->asoc.primary_destination) && 5185 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5186 /* Ok we need to set it */ 5187 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5188 if ((stcb->asoc.alternate) && 5189 (!(net->dest_state & SCTP_ADDR_PF)) && 5190 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5191 sctp_free_remote_addr(stcb->asoc.alternate); 5192 stcb->asoc.alternate = NULL; 5193 } 5194 } 5195 } 5196 } else { 5197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5198 error = EINVAL; 5199 } 5200 if (stcb) { 5201 SCTP_TCB_UNLOCK(stcb); 5202 } 5203 break; 5204 } 5205 case SCTP_SET_DYNAMIC_PRIMARY: 5206 { 5207 union sctp_sockstore *ss; 5208 5209 error = priv_check(curthread, 5210 PRIV_NETINET_RESERVEDPORT); 5211 if (error) 5212 break; 5213 5214 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5215 /* SUPER USER CHECK? */ 5216 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5217 break; 5218 } 5219 case SCTP_SET_PEER_PRIMARY_ADDR: 5220 { 5221 struct sctp_setpeerprim *sspp; 5222 5223 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5224 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5225 if (stcb != NULL) { 5226 struct sctp_ifa *ifa; 5227 5228 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5229 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5230 if (ifa == NULL) { 5231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5232 error = EINVAL; 5233 goto out_of_it; 5234 } 5235 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5236 /* 5237 * Must validate the ifa found is in 5238 * our ep 5239 */ 5240 struct sctp_laddr *laddr; 5241 int found = 0; 5242 5243 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5244 if (laddr->ifa == NULL) { 5245 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5246 __FUNCTION__); 5247 continue; 5248 } 5249 if (laddr->ifa == ifa) { 5250 found = 1; 5251 break; 5252 } 5253 } 5254 if (!found) { 5255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5256 error = EINVAL; 5257 goto out_of_it; 5258 } 5259 } 5260 if (sctp_set_primary_ip_address_sa(stcb, 5261 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5263 error = EINVAL; 5264 } 5265 out_of_it: 5266 SCTP_TCB_UNLOCK(stcb); 5267 } else { 5268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5269 error = EINVAL; 5270 } 5271 break; 5272 } 5273 case SCTP_BINDX_ADD_ADDR: 5274 { 5275 struct sctp_getaddresses *addrs; 5276 size_t sz; 5277 struct thread *td; 5278 5279 td = (struct thread *)p; 5280 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5281 optsize); 5282#ifdef INET 5283 if (addrs->addr->sa_family == AF_INET) { 5284 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5285 if (optsize < sz) { 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 error = EINVAL; 5288 break; 5289 } 5290 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5291 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5292 break; 5293 } 5294 } else 5295#endif 5296#ifdef INET6 5297 if (addrs->addr->sa_family == AF_INET6) { 5298 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5299 if (optsize < sz) { 5300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5301 error = EINVAL; 5302 break; 5303 } 5304 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5305 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5306 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5307 break; 5308 } 5309 } else 5310#endif 5311 { 5312 error = EAFNOSUPPORT; 5313 break; 5314 } 5315 sctp_bindx_add_address(so, inp, addrs->addr, 5316 addrs->sget_assoc_id, vrf_id, 5317 &error, p); 5318 break; 5319 } 5320 case SCTP_BINDX_REM_ADDR: 5321 { 5322 struct sctp_getaddresses *addrs; 5323 size_t sz; 5324 struct thread *td; 5325 5326 td = (struct thread *)p; 5327 5328 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5329#ifdef INET 5330 if (addrs->addr->sa_family == AF_INET) { 5331 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5332 if (optsize < sz) { 5333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5334 error = EINVAL; 5335 break; 5336 } 5337 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5338 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5339 break; 5340 } 5341 } else 5342#endif 5343#ifdef INET6 5344 if (addrs->addr->sa_family == AF_INET6) { 5345 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5346 if (optsize < sz) { 5347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5348 error = EINVAL; 5349 break; 5350 } 5351 if (td != NULL && 5352 (error = prison_local_ip6(td->td_ucred, 5353 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5354 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5355 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5356 break; 5357 } 5358 } else 5359#endif 5360 { 5361 error = EAFNOSUPPORT; 5362 break; 5363 } 5364 sctp_bindx_delete_address(inp, addrs->addr, 5365 addrs->sget_assoc_id, vrf_id, 5366 &error); 5367 break; 5368 } 5369 case SCTP_EVENT: 5370 { 5371 struct sctp_event *event; 5372 uint32_t event_type; 5373 5374 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5375 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5376 switch (event->se_type) { 5377 case SCTP_ASSOC_CHANGE: 5378 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5379 break; 5380 case SCTP_PEER_ADDR_CHANGE: 5381 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5382 break; 5383 case SCTP_REMOTE_ERROR: 5384 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5385 break; 5386 case SCTP_SEND_FAILED: 5387 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5388 break; 5389 case SCTP_SHUTDOWN_EVENT: 5390 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5391 break; 5392 case SCTP_ADAPTATION_INDICATION: 5393 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5394 break; 5395 case SCTP_PARTIAL_DELIVERY_EVENT: 5396 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5397 break; 5398 case SCTP_AUTHENTICATION_EVENT: 5399 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5400 break; 5401 case SCTP_STREAM_RESET_EVENT: 5402 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5403 break; 5404 case SCTP_SENDER_DRY_EVENT: 5405 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5406 break; 5407 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5408 event_type = 0; 5409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5410 error = ENOTSUP; 5411 break; 5412 case SCTP_ASSOC_RESET_EVENT: 5413 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5414 break; 5415 case SCTP_STREAM_CHANGE_EVENT: 5416 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5417 break; 5418 case SCTP_SEND_FAILED_EVENT: 5419 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5420 break; 5421 default: 5422 event_type = 0; 5423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5424 error = EINVAL; 5425 break; 5426 } 5427 if (event_type > 0) { 5428 if (stcb) { 5429 if (event->se_on) { 5430 sctp_stcb_feature_on(inp, stcb, event_type); 5431 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5432 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5433 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5434 (stcb->asoc.stream_queue_cnt == 0)) { 5435 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5436 } 5437 } 5438 } else { 5439 sctp_stcb_feature_off(inp, stcb, event_type); 5440 } 5441 SCTP_TCB_UNLOCK(stcb); 5442 } else { 5443 /* 5444 * We don't want to send up a storm 5445 * of events, so return an error for 5446 * sender dry events 5447 */ 5448 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5449 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5450 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5451 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5452 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5454 error = ENOTSUP; 5455 break; 5456 } 5457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5459 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5460 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5461 SCTP_INP_WLOCK(inp); 5462 if (event->se_on) { 5463 sctp_feature_on(inp, event_type); 5464 } else { 5465 sctp_feature_off(inp, event_type); 5466 } 5467 SCTP_INP_WUNLOCK(inp); 5468 } 5469 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5470 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5471 SCTP_INP_RLOCK(inp); 5472 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5473 SCTP_TCB_LOCK(stcb); 5474 if (event->se_on) { 5475 sctp_stcb_feature_on(inp, stcb, event_type); 5476 } else { 5477 sctp_stcb_feature_off(inp, stcb, event_type); 5478 } 5479 SCTP_TCB_UNLOCK(stcb); 5480 } 5481 SCTP_INP_RUNLOCK(inp); 5482 } 5483 } 5484 } 5485 break; 5486 } 5487 case SCTP_RECVRCVINFO: 5488 { 5489 int *onoff; 5490 5491 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5492 SCTP_INP_WLOCK(inp); 5493 if (*onoff != 0) { 5494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5495 } else { 5496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5497 } 5498 SCTP_INP_WUNLOCK(inp); 5499 break; 5500 } 5501 case SCTP_RECVNXTINFO: 5502 { 5503 int *onoff; 5504 5505 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5506 SCTP_INP_WLOCK(inp); 5507 if (*onoff != 0) { 5508 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5509 } else { 5510 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5511 } 5512 SCTP_INP_WUNLOCK(inp); 5513 break; 5514 } 5515 case SCTP_DEFAULT_SNDINFO: 5516 { 5517 struct sctp_sndinfo *info; 5518 uint16_t policy; 5519 5520 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5521 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5522 5523 if (stcb) { 5524 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5525 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5526 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5527 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5528 stcb->asoc.def_send.sinfo_flags |= policy; 5529 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5530 stcb->asoc.def_send.sinfo_context = info->snd_context; 5531 } else { 5532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5533 error = EINVAL; 5534 } 5535 SCTP_TCB_UNLOCK(stcb); 5536 } else { 5537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5538 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5539 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5540 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5541 SCTP_INP_WLOCK(inp); 5542 inp->def_send.sinfo_stream = info->snd_sid; 5543 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5544 inp->def_send.sinfo_flags = info->snd_flags; 5545 inp->def_send.sinfo_flags |= policy; 5546 inp->def_send.sinfo_ppid = info->snd_ppid; 5547 inp->def_send.sinfo_context = info->snd_context; 5548 SCTP_INP_WUNLOCK(inp); 5549 } 5550 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5551 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5552 SCTP_INP_RLOCK(inp); 5553 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5554 SCTP_TCB_LOCK(stcb); 5555 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5556 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5557 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5558 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5559 stcb->asoc.def_send.sinfo_flags |= policy; 5560 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5561 stcb->asoc.def_send.sinfo_context = info->snd_context; 5562 } 5563 SCTP_TCB_UNLOCK(stcb); 5564 } 5565 SCTP_INP_RUNLOCK(inp); 5566 } 5567 } 5568 break; 5569 } 5570 case SCTP_DEFAULT_PRINFO: 5571 { 5572 struct sctp_default_prinfo *info; 5573 5574 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5575 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5576 5577 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5579 error = EINVAL; 5580 break; 5581 } 5582 if (stcb) { 5583 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5584 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5585 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5586 SCTP_TCB_UNLOCK(stcb); 5587 } else { 5588 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5589 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5590 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5591 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5592 SCTP_INP_WLOCK(inp); 5593 inp->def_send.sinfo_flags &= 0xfff0; 5594 inp->def_send.sinfo_flags |= info->pr_policy; 5595 inp->def_send.sinfo_timetolive = info->pr_value; 5596 SCTP_INP_WUNLOCK(inp); 5597 } 5598 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5599 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5600 SCTP_INP_RLOCK(inp); 5601 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5602 SCTP_TCB_LOCK(stcb); 5603 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5604 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5605 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5606 SCTP_TCB_UNLOCK(stcb); 5607 } 5608 SCTP_INP_RUNLOCK(inp); 5609 } 5610 } 5611 break; 5612 } 5613 case SCTP_PEER_ADDR_THLDS: 5614 /* Applies to the specific association */ 5615 { 5616 struct sctp_paddrthlds *thlds; 5617 struct sctp_nets *net; 5618 5619 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5620 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5621 net = NULL; 5622 if (stcb) { 5623 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5624 } else { 5625 /* 5626 * We increment here since 5627 * sctp_findassociation_ep_addr() wil do a 5628 * decrement if it finds the stcb as long as 5629 * the locked tcb (last argument) is NOT a 5630 * TCB.. aka NULL. 5631 */ 5632 SCTP_INP_INCR_REF(inp); 5633 stcb = sctp_findassociation_ep_addr(&inp, 5634 (struct sockaddr *)&thlds->spt_assoc_id, 5635 &net, NULL, NULL); 5636 if (stcb == NULL) { 5637 SCTP_INP_DECR_REF(inp); 5638 } 5639 } 5640 if (stcb && (net == NULL)) { 5641 struct sockaddr *sa; 5642 5643 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5644#ifdef INET 5645 if (sa->sa_family == AF_INET) { 5646 5647 struct sockaddr_in *sin; 5648 5649 sin = (struct sockaddr_in *)sa; 5650 if (sin->sin_addr.s_addr) { 5651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5652 SCTP_TCB_UNLOCK(stcb); 5653 error = EINVAL; 5654 break; 5655 } 5656 } else 5657#endif 5658#ifdef INET6 5659 if (sa->sa_family == AF_INET6) { 5660 struct sockaddr_in6 *sin6; 5661 5662 sin6 = (struct sockaddr_in6 *)sa; 5663 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5665 SCTP_TCB_UNLOCK(stcb); 5666 error = EINVAL; 5667 break; 5668 } 5669 } else 5670#endif 5671 { 5672 error = EAFNOSUPPORT; 5673 SCTP_TCB_UNLOCK(stcb); 5674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5675 break; 5676 } 5677 } 5678 if (stcb) { 5679 if (net) { 5680 if (net->dest_state & SCTP_ADDR_PF) { 5681 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5682 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5683 net->dest_state &= ~SCTP_ADDR_PF; 5684 } 5685 } else { 5686 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5687 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5688 net->dest_state |= SCTP_ADDR_PF; 5689 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5690 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5691 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5692 } 5693 } 5694 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5695 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5696 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5697 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5698 } 5699 } else { 5700 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5701 net->dest_state |= SCTP_ADDR_REACHABLE; 5702 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5703 } 5704 } 5705 net->failure_threshold = thlds->spt_pathmaxrxt; 5706 net->pf_threshold = thlds->spt_pathpfthld; 5707 } else { 5708 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5709 if (net->dest_state & SCTP_ADDR_PF) { 5710 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5711 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5712 net->dest_state &= ~SCTP_ADDR_PF; 5713 } 5714 } else { 5715 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5716 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5717 net->dest_state |= SCTP_ADDR_PF; 5718 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5719 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5720 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5721 } 5722 } 5723 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5724 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5725 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5726 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5727 } 5728 } else { 5729 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5730 net->dest_state |= SCTP_ADDR_REACHABLE; 5731 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5732 } 5733 } 5734 net->failure_threshold = thlds->spt_pathmaxrxt; 5735 net->pf_threshold = thlds->spt_pathpfthld; 5736 } 5737 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5738 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5739 } 5740 } else { 5741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5743 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5744 SCTP_INP_WLOCK(inp); 5745 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5746 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5747 SCTP_INP_WUNLOCK(inp); 5748 } else { 5749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5750 error = EINVAL; 5751 } 5752 } 5753 break; 5754 } 5755 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5756 { 5757 struct sctp_udpencaps *encaps; 5758 struct sctp_nets *net; 5759 5760 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5761 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5762 if (stcb) { 5763 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5764 } else { 5765 /* 5766 * We increment here since 5767 * sctp_findassociation_ep_addr() wil do a 5768 * decrement if it finds the stcb as long as 5769 * the locked tcb (last argument) is NOT a 5770 * TCB.. aka NULL. 5771 */ 5772 net = NULL; 5773 SCTP_INP_INCR_REF(inp); 5774 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5775 if (stcb == NULL) { 5776 SCTP_INP_DECR_REF(inp); 5777 } 5778 } 5779 if (stcb && (net == NULL)) { 5780 struct sockaddr *sa; 5781 5782 sa = (struct sockaddr *)&encaps->sue_address; 5783#ifdef INET 5784 if (sa->sa_family == AF_INET) { 5785 5786 struct sockaddr_in *sin; 5787 5788 sin = (struct sockaddr_in *)sa; 5789 if (sin->sin_addr.s_addr) { 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5791 SCTP_TCB_UNLOCK(stcb); 5792 error = EINVAL; 5793 break; 5794 } 5795 } else 5796#endif 5797#ifdef INET6 5798 if (sa->sa_family == AF_INET6) { 5799 struct sockaddr_in6 *sin6; 5800 5801 sin6 = (struct sockaddr_in6 *)sa; 5802 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5804 SCTP_TCB_UNLOCK(stcb); 5805 error = EINVAL; 5806 break; 5807 } 5808 } else 5809#endif 5810 { 5811 error = EAFNOSUPPORT; 5812 SCTP_TCB_UNLOCK(stcb); 5813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5814 break; 5815 } 5816 } 5817 if (stcb) { 5818 if (net) { 5819 net->port = encaps->sue_port; 5820 } else { 5821 stcb->asoc.port = encaps->sue_port; 5822 } 5823 SCTP_TCB_UNLOCK(stcb); 5824 } else { 5825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5827 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5828 SCTP_INP_WLOCK(inp); 5829 inp->sctp_ep.port = encaps->sue_port; 5830 SCTP_INP_WUNLOCK(inp); 5831 } else { 5832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5833 error = EINVAL; 5834 } 5835 } 5836 break; 5837 } 5838 default: 5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5840 error = ENOPROTOOPT; 5841 break; 5842 } /* end switch (opt) */ 5843 return (error); 5844} 5845 5846int 5847sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5848{ 5849 void *optval = NULL; 5850 size_t optsize = 0; 5851 struct sctp_inpcb *inp; 5852 void *p; 5853 int error = 0; 5854 5855 if (sopt->sopt_level != IPPROTO_SCTP) { 5856 /* wrong proto level... send back up to IP */ 5857#ifdef INET6 5858 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5859 error = ip6_ctloutput(so, sopt); 5860#endif /* INET6 */ 5861#if defined(INET) && defined (INET6) 5862 else 5863#endif 5864#ifdef INET 5865 error = ip_ctloutput(so, sopt); 5866#endif 5867 return (error); 5868 } 5869 inp = (struct sctp_inpcb *)so->so_pcb; 5870 optsize = sopt->sopt_valsize; 5871 if (optsize) { 5872 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5873 if (optval == NULL) { 5874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5875 return (ENOBUFS); 5876 } 5877 error = sooptcopyin(sopt, optval, optsize, optsize); 5878 if (error) { 5879 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5880 goto out; 5881 } 5882 } 5883 p = (void *)sopt->sopt_td; 5884 if (sopt->sopt_dir == SOPT_SET) { 5885 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5886 } else if (sopt->sopt_dir == SOPT_GET) { 5887 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5888 } else { 5889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5890 error = EINVAL; 5891 } 5892 if ((error == 0) && (optval != NULL)) { 5893 error = sooptcopyout(sopt, optval, optsize); 5894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5895 } else if (optval != NULL) { 5896 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5897 } 5898out: 5899 return (error); 5900} 5901 5902#ifdef INET 5903static int 5904sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5905{ 5906 int error = 0; 5907 int create_lock_on = 0; 5908 uint32_t vrf_id; 5909 struct sctp_inpcb *inp; 5910 struct sctp_tcb *stcb = NULL; 5911 5912 inp = (struct sctp_inpcb *)so->so_pcb; 5913 if (inp == NULL) { 5914 /* I made the same as TCP since we are not setup? */ 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 return (ECONNRESET); 5917 } 5918 if (addr == NULL) { 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 return EINVAL; 5921 } 5922 switch (addr->sa_family) { 5923#ifdef INET6 5924 case AF_INET6: 5925 { 5926 struct sockaddr_in6 *sin6p; 5927 5928 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 return (EINVAL); 5931 } 5932 sin6p = (struct sockaddr_in6 *)addr; 5933 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5935 return (error); 5936 } 5937 break; 5938 } 5939#endif 5940#ifdef INET 5941 case AF_INET: 5942 { 5943 struct sockaddr_in *sinp; 5944 5945 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5947 return (EINVAL); 5948 } 5949 sinp = (struct sockaddr_in *)addr; 5950 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5952 return (error); 5953 } 5954 break; 5955 } 5956#endif 5957 default: 5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5959 return (EAFNOSUPPORT); 5960 } 5961 SCTP_INP_INCR_REF(inp); 5962 SCTP_ASOC_CREATE_LOCK(inp); 5963 create_lock_on = 1; 5964 5965 5966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5967 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5968 /* Should I really unlock ? */ 5969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5970 error = EFAULT; 5971 goto out_now; 5972 } 5973#ifdef INET6 5974 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5975 (addr->sa_family == AF_INET6)) { 5976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5977 error = EINVAL; 5978 goto out_now; 5979 } 5980#endif /* INET6 */ 5981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5982 SCTP_PCB_FLAGS_UNBOUND) { 5983 /* Bind a ephemeral port */ 5984 error = sctp_inpcb_bind(so, NULL, NULL, p); 5985 if (error) { 5986 goto out_now; 5987 } 5988 } 5989 /* Now do we connect? */ 5990 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5991 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5993 error = EINVAL; 5994 goto out_now; 5995 } 5996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5997 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5998 /* We are already connected AND the TCP model */ 5999 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6000 error = EADDRINUSE; 6001 goto out_now; 6002 } 6003 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6004 SCTP_INP_RLOCK(inp); 6005 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6006 SCTP_INP_RUNLOCK(inp); 6007 } else { 6008 /* 6009 * We increment here since sctp_findassociation_ep_addr() 6010 * will do a decrement if it finds the stcb as long as the 6011 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6012 */ 6013 SCTP_INP_INCR_REF(inp); 6014 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6015 if (stcb == NULL) { 6016 SCTP_INP_DECR_REF(inp); 6017 } else { 6018 SCTP_TCB_UNLOCK(stcb); 6019 } 6020 } 6021 if (stcb != NULL) { 6022 /* Already have or am bring up an association */ 6023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6024 error = EALREADY; 6025 goto out_now; 6026 } 6027 vrf_id = inp->def_vrf_id; 6028 /* We are GOOD to go */ 6029 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6030 if (stcb == NULL) { 6031 /* Gak! no memory */ 6032 goto out_now; 6033 } 6034 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6035 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6036 /* Set the connected flag so we can queue data */ 6037 soisconnecting(so); 6038 } 6039 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6040 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6041 6042 /* initialize authentication parameters for the assoc */ 6043 sctp_initialize_auth_params(inp, stcb); 6044 6045 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6046 SCTP_TCB_UNLOCK(stcb); 6047out_now: 6048 if (create_lock_on) { 6049 SCTP_ASOC_CREATE_UNLOCK(inp); 6050 } 6051 SCTP_INP_DECR_REF(inp); 6052 return (error); 6053} 6054 6055#endif 6056 6057int 6058sctp_listen(struct socket *so, int backlog, struct thread *p) 6059{ 6060 /* 6061 * Note this module depends on the protocol processing being called 6062 * AFTER any socket level flags and backlog are applied to the 6063 * socket. The traditional way that the socket flags are applied is 6064 * AFTER protocol processing. We have made a change to the 6065 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6066 * place if the socket API for SCTP is to work properly. 6067 */ 6068 6069 int error = 0; 6070 struct sctp_inpcb *inp; 6071 6072 inp = (struct sctp_inpcb *)so->so_pcb; 6073 if (inp == NULL) { 6074 /* I made the same as TCP since we are not setup? */ 6075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6076 return (ECONNRESET); 6077 } 6078 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6079 /* See if we have a listener */ 6080 struct sctp_inpcb *tinp; 6081 union sctp_sockstore store, *sp; 6082 6083 sp = &store; 6084 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6085 /* not bound all */ 6086 struct sctp_laddr *laddr; 6087 6088 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6089 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6090 switch (sp->sa.sa_family) { 6091#ifdef INET 6092 case AF_INET: 6093 sp->sin.sin_port = inp->sctp_lport; 6094 break; 6095#endif 6096#ifdef INET6 6097 case AF_INET6: 6098 sp->sin6.sin6_port = inp->sctp_lport; 6099 break; 6100#endif 6101 default: 6102 break; 6103 } 6104 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6105 if (tinp && (tinp != inp) && 6106 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6107 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6108 (tinp->sctp_socket->so_qlimit)) { 6109 /* 6110 * we have a listener already and 6111 * its not this inp. 6112 */ 6113 SCTP_INP_DECR_REF(tinp); 6114 return (EADDRINUSE); 6115 } else if (tinp) { 6116 SCTP_INP_DECR_REF(tinp); 6117 } 6118 } 6119 } else { 6120 /* Setup a local addr bound all */ 6121 memset(&store, 0, sizeof(store)); 6122 switch (sp->sa.sa_family) { 6123#ifdef INET 6124 case AF_INET: 6125 store.sin.sin_port = inp->sctp_lport; 6126 break; 6127#endif 6128#ifdef INET6 6129 case AF_INET6: 6130 sp->sin6.sin6_port = inp->sctp_lport; 6131 break; 6132#endif 6133 default: 6134 break; 6135 } 6136#ifdef INET6 6137 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6138 store.sa.sa_family = AF_INET6; 6139 store.sa.sa_len = sizeof(struct sockaddr_in6); 6140 } 6141#endif 6142#ifdef INET 6143 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6144 store.sa.sa_family = AF_INET; 6145 store.sa.sa_len = sizeof(struct sockaddr_in); 6146 } 6147#endif 6148 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6149 if (tinp && (tinp != inp) && 6150 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6151 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6152 (tinp->sctp_socket->so_qlimit)) { 6153 /* 6154 * we have a listener already and its not 6155 * this inp. 6156 */ 6157 SCTP_INP_DECR_REF(tinp); 6158 return (EADDRINUSE); 6159 } else if (tinp) { 6160 SCTP_INP_DECR_REF(inp); 6161 } 6162 } 6163 } 6164 SCTP_INP_RLOCK(inp); 6165#ifdef SCTP_LOCK_LOGGING 6166 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6167 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6168 } 6169#endif 6170 SOCK_LOCK(so); 6171 error = solisten_proto_check(so); 6172 if (error) { 6173 SOCK_UNLOCK(so); 6174 SCTP_INP_RUNLOCK(inp); 6175 return (error); 6176 } 6177 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6178 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6179 /* 6180 * The unlucky case - We are in the tcp pool with this guy. 6181 * - Someone else is in the main inp slot. - We must move 6182 * this guy (the listener) to the main slot - We must then 6183 * move the guy that was listener to the TCP Pool. 6184 */ 6185 if (sctp_swap_inpcb_for_listen(inp)) { 6186 goto in_use; 6187 } 6188 } 6189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6190 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6191 /* We are already connected AND the TCP model */ 6192in_use: 6193 SCTP_INP_RUNLOCK(inp); 6194 SOCK_UNLOCK(so); 6195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6196 return (EADDRINUSE); 6197 } 6198 SCTP_INP_RUNLOCK(inp); 6199 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6200 /* We must do a bind. */ 6201 SOCK_UNLOCK(so); 6202 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6203 /* bind error, probably perm */ 6204 return (error); 6205 } 6206 SOCK_LOCK(so); 6207 } 6208 /* It appears for 7.0 and on, we must always call this. */ 6209 solisten_proto(so, backlog); 6210 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6211 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6212 so->so_options &= ~SO_ACCEPTCONN; 6213 } 6214 if (backlog == 0) { 6215 /* turning off listen */ 6216 so->so_options &= ~SO_ACCEPTCONN; 6217 } 6218 SOCK_UNLOCK(so); 6219 return (error); 6220} 6221 6222static int sctp_defered_wakeup_cnt = 0; 6223 6224int 6225sctp_accept(struct socket *so, struct sockaddr **addr) 6226{ 6227 struct sctp_tcb *stcb; 6228 struct sctp_inpcb *inp; 6229 union sctp_sockstore store; 6230 6231#ifdef INET6 6232 int error; 6233 6234#endif 6235 inp = (struct sctp_inpcb *)so->so_pcb; 6236 6237 if (inp == NULL) { 6238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6239 return (ECONNRESET); 6240 } 6241 SCTP_INP_RLOCK(inp); 6242 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6243 SCTP_INP_RUNLOCK(inp); 6244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6245 return (EOPNOTSUPP); 6246 } 6247 if (so->so_state & SS_ISDISCONNECTED) { 6248 SCTP_INP_RUNLOCK(inp); 6249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6250 return (ECONNABORTED); 6251 } 6252 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6253 if (stcb == NULL) { 6254 SCTP_INP_RUNLOCK(inp); 6255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6256 return (ECONNRESET); 6257 } 6258 SCTP_TCB_LOCK(stcb); 6259 SCTP_INP_RUNLOCK(inp); 6260 store = stcb->asoc.primary_destination->ro._l_addr; 6261 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6262 SCTP_TCB_UNLOCK(stcb); 6263 switch (store.sa.sa_family) { 6264#ifdef INET 6265 case AF_INET: 6266 { 6267 struct sockaddr_in *sin; 6268 6269 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6270 if (sin == NULL) 6271 return (ENOMEM); 6272 sin->sin_family = AF_INET; 6273 sin->sin_len = sizeof(*sin); 6274 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6275 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6276 *addr = (struct sockaddr *)sin; 6277 break; 6278 } 6279#endif 6280#ifdef INET6 6281 case AF_INET6: 6282 { 6283 struct sockaddr_in6 *sin6; 6284 6285 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6286 if (sin6 == NULL) 6287 return (ENOMEM); 6288 sin6->sin6_family = AF_INET6; 6289 sin6->sin6_len = sizeof(*sin6); 6290 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6291 6292 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6293 if ((error = sa6_recoverscope(sin6)) != 0) { 6294 SCTP_FREE_SONAME(sin6); 6295 return (error); 6296 } 6297 *addr = (struct sockaddr *)sin6; 6298 break; 6299 } 6300#endif 6301 default: 6302 /* TSNH */ 6303 break; 6304 } 6305 /* Wake any delayed sleep action */ 6306 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6307 SCTP_INP_WLOCK(inp); 6308 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6309 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6310 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6311 SCTP_INP_WUNLOCK(inp); 6312 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6313 if (sowriteable(inp->sctp_socket)) { 6314 sowwakeup_locked(inp->sctp_socket); 6315 } else { 6316 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6317 } 6318 SCTP_INP_WLOCK(inp); 6319 } 6320 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6321 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6322 SCTP_INP_WUNLOCK(inp); 6323 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6324 if (soreadable(inp->sctp_socket)) { 6325 sctp_defered_wakeup_cnt++; 6326 sorwakeup_locked(inp->sctp_socket); 6327 } else { 6328 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6329 } 6330 SCTP_INP_WLOCK(inp); 6331 } 6332 SCTP_INP_WUNLOCK(inp); 6333 } 6334 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6335 SCTP_TCB_LOCK(stcb); 6336 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6337 } 6338 return (0); 6339} 6340 6341#ifdef INET 6342int 6343sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6344{ 6345 struct sockaddr_in *sin; 6346 uint32_t vrf_id; 6347 struct sctp_inpcb *inp; 6348 struct sctp_ifa *sctp_ifa; 6349 6350 /* 6351 * Do the malloc first in case it blocks. 6352 */ 6353 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6354 if (sin == NULL) 6355 return (ENOMEM); 6356 sin->sin_family = AF_INET; 6357 sin->sin_len = sizeof(*sin); 6358 inp = (struct sctp_inpcb *)so->so_pcb; 6359 if (!inp) { 6360 SCTP_FREE_SONAME(sin); 6361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6362 return (ECONNRESET); 6363 } 6364 SCTP_INP_RLOCK(inp); 6365 sin->sin_port = inp->sctp_lport; 6366 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6367 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6368 struct sctp_tcb *stcb; 6369 struct sockaddr_in *sin_a; 6370 struct sctp_nets *net; 6371 int fnd; 6372 6373 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6374 if (stcb == NULL) { 6375 goto notConn; 6376 } 6377 fnd = 0; 6378 sin_a = NULL; 6379 SCTP_TCB_LOCK(stcb); 6380 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6381 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6382 if (sin_a == NULL) 6383 /* this will make coverity happy */ 6384 continue; 6385 6386 if (sin_a->sin_family == AF_INET) { 6387 fnd = 1; 6388 break; 6389 } 6390 } 6391 if ((!fnd) || (sin_a == NULL)) { 6392 /* punt */ 6393 SCTP_TCB_UNLOCK(stcb); 6394 goto notConn; 6395 } 6396 vrf_id = inp->def_vrf_id; 6397 sctp_ifa = sctp_source_address_selection(inp, 6398 stcb, 6399 (sctp_route_t *) & net->ro, 6400 net, 0, vrf_id); 6401 if (sctp_ifa) { 6402 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6403 sctp_free_ifa(sctp_ifa); 6404 } 6405 SCTP_TCB_UNLOCK(stcb); 6406 } else { 6407 /* For the bound all case you get back 0 */ 6408 notConn: 6409 sin->sin_addr.s_addr = 0; 6410 } 6411 6412 } else { 6413 /* Take the first IPv4 address in the list */ 6414 struct sctp_laddr *laddr; 6415 int fnd = 0; 6416 6417 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6418 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6419 struct sockaddr_in *sin_a; 6420 6421 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6422 sin->sin_addr = sin_a->sin_addr; 6423 fnd = 1; 6424 break; 6425 } 6426 } 6427 if (!fnd) { 6428 SCTP_FREE_SONAME(sin); 6429 SCTP_INP_RUNLOCK(inp); 6430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6431 return (ENOENT); 6432 } 6433 } 6434 SCTP_INP_RUNLOCK(inp); 6435 (*addr) = (struct sockaddr *)sin; 6436 return (0); 6437} 6438 6439int 6440sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6441{ 6442 struct sockaddr_in *sin; 6443 int fnd; 6444 struct sockaddr_in *sin_a; 6445 struct sctp_inpcb *inp; 6446 struct sctp_tcb *stcb; 6447 struct sctp_nets *net; 6448 6449 /* Do the malloc first in case it blocks. */ 6450 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6451 if (sin == NULL) 6452 return (ENOMEM); 6453 sin->sin_family = AF_INET; 6454 sin->sin_len = sizeof(*sin); 6455 6456 inp = (struct sctp_inpcb *)so->so_pcb; 6457 if ((inp == NULL) || 6458 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6459 /* UDP type and listeners will drop out here */ 6460 SCTP_FREE_SONAME(sin); 6461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6462 return (ENOTCONN); 6463 } 6464 SCTP_INP_RLOCK(inp); 6465 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6466 if (stcb) { 6467 SCTP_TCB_LOCK(stcb); 6468 } 6469 SCTP_INP_RUNLOCK(inp); 6470 if (stcb == NULL) { 6471 SCTP_FREE_SONAME(sin); 6472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6473 return (ECONNRESET); 6474 } 6475 fnd = 0; 6476 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6477 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6478 if (sin_a->sin_family == AF_INET) { 6479 fnd = 1; 6480 sin->sin_port = stcb->rport; 6481 sin->sin_addr = sin_a->sin_addr; 6482 break; 6483 } 6484 } 6485 SCTP_TCB_UNLOCK(stcb); 6486 if (!fnd) { 6487 /* No IPv4 address */ 6488 SCTP_FREE_SONAME(sin); 6489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6490 return (ENOENT); 6491 } 6492 (*addr) = (struct sockaddr *)sin; 6493 return (0); 6494} 6495 6496#ifdef INET 6497struct pr_usrreqs sctp_usrreqs = { 6498 .pru_abort = sctp_abort, 6499 .pru_accept = sctp_accept, 6500 .pru_attach = sctp_attach, 6501 .pru_bind = sctp_bind, 6502 .pru_connect = sctp_connect, 6503 .pru_control = in_control, 6504 .pru_close = sctp_close, 6505 .pru_detach = sctp_close, 6506 .pru_sopoll = sopoll_generic, 6507 .pru_flush = sctp_flush, 6508 .pru_disconnect = sctp_disconnect, 6509 .pru_listen = sctp_listen, 6510 .pru_peeraddr = sctp_peeraddr, 6511 .pru_send = sctp_sendm, 6512 .pru_shutdown = sctp_shutdown, 6513 .pru_sockaddr = sctp_ingetaddr, 6514 .pru_sosend = sctp_sosend, 6515 .pru_soreceive = sctp_soreceive 6516}; 6517 6518#endif 6519#endif 6520