sctp_usrreq.c revision 235021
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 235021 2012-05-04 17:18:02Z 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 default: 2993 event_type = 0; 2994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2995 error = EINVAL; 2996 break; 2997 } 2998 if (event_type > 0) { 2999 if (stcb) { 3000 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3001 SCTP_TCB_UNLOCK(stcb); 3002 } else { 3003 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3004 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3005 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3006 SCTP_INP_RLOCK(inp); 3007 event->se_on = sctp_is_feature_on(inp, event_type); 3008 SCTP_INP_RUNLOCK(inp); 3009 } else { 3010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3011 error = EINVAL; 3012 } 3013 } 3014 } 3015 if (error == 0) { 3016 *optsize = sizeof(struct sctp_event); 3017 } 3018 break; 3019 } 3020 case SCTP_RECVRCVINFO: 3021 { 3022 int onoff; 3023 3024 if (*optsize < sizeof(int)) { 3025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3026 error = EINVAL; 3027 } else { 3028 SCTP_INP_RLOCK(inp); 3029 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3030 SCTP_INP_RUNLOCK(inp); 3031 } 3032 if (error == 0) { 3033 /* return the option value */ 3034 *(int *)optval = onoff; 3035 *optsize = sizeof(int); 3036 } 3037 break; 3038 } 3039 case SCTP_RECVNXTINFO: 3040 { 3041 int onoff; 3042 3043 if (*optsize < sizeof(int)) { 3044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3045 error = EINVAL; 3046 } else { 3047 SCTP_INP_RLOCK(inp); 3048 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3049 SCTP_INP_RUNLOCK(inp); 3050 } 3051 if (error == 0) { 3052 /* return the option value */ 3053 *(int *)optval = onoff; 3054 *optsize = sizeof(int); 3055 } 3056 break; 3057 } 3058 case SCTP_DEFAULT_SNDINFO: 3059 { 3060 struct sctp_sndinfo *info; 3061 3062 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3063 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3064 3065 if (stcb) { 3066 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3067 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3068 info->snd_flags &= 0xfff0; 3069 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3070 info->snd_context = stcb->asoc.def_send.sinfo_context; 3071 SCTP_TCB_UNLOCK(stcb); 3072 } else { 3073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3075 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3076 SCTP_INP_RLOCK(inp); 3077 info->snd_sid = inp->def_send.sinfo_stream; 3078 info->snd_flags = inp->def_send.sinfo_flags; 3079 info->snd_flags &= 0xfff0; 3080 info->snd_ppid = inp->def_send.sinfo_ppid; 3081 info->snd_context = inp->def_send.sinfo_context; 3082 SCTP_INP_RUNLOCK(inp); 3083 } else { 3084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3085 error = EINVAL; 3086 } 3087 } 3088 if (error == 0) { 3089 *optsize = sizeof(struct sctp_sndinfo); 3090 } 3091 break; 3092 } 3093 case SCTP_DEFAULT_PRINFO: 3094 { 3095 struct sctp_default_prinfo *info; 3096 3097 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3098 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3099 3100 if (stcb) { 3101 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3102 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3103 SCTP_TCB_UNLOCK(stcb); 3104 } else { 3105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3107 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3108 SCTP_INP_RLOCK(inp); 3109 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3110 info->pr_value = inp->def_send.sinfo_timetolive; 3111 SCTP_INP_RUNLOCK(inp); 3112 } else { 3113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3114 error = EINVAL; 3115 } 3116 } 3117 if (error == 0) { 3118 *optsize = sizeof(struct sctp_default_prinfo); 3119 } 3120 break; 3121 } 3122 case SCTP_PEER_ADDR_THLDS: 3123 { 3124 struct sctp_paddrthlds *thlds; 3125 struct sctp_nets *net; 3126 3127 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3128 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3129 3130 net = NULL; 3131 if (stcb) { 3132 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3133 } else { 3134 /* 3135 * We increment here since 3136 * sctp_findassociation_ep_addr() wil do a 3137 * decrement if it finds the stcb as long as 3138 * the locked tcb (last argument) is NOT a 3139 * TCB.. aka NULL. 3140 */ 3141 SCTP_INP_INCR_REF(inp); 3142 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3143 if (stcb == NULL) { 3144 SCTP_INP_DECR_REF(inp); 3145 } 3146 } 3147 if (stcb && (net == NULL)) { 3148 struct sockaddr *sa; 3149 3150 sa = (struct sockaddr *)&thlds->spt_address; 3151#ifdef INET 3152 if (sa->sa_family == AF_INET) { 3153 struct sockaddr_in *sin; 3154 3155 sin = (struct sockaddr_in *)sa; 3156 if (sin->sin_addr.s_addr) { 3157 error = EINVAL; 3158 SCTP_TCB_UNLOCK(stcb); 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3160 break; 3161 } 3162 } else 3163#endif 3164#ifdef INET6 3165 if (sa->sa_family == AF_INET6) { 3166 struct sockaddr_in6 *sin6; 3167 3168 sin6 = (struct sockaddr_in6 *)sa; 3169 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3170 error = EINVAL; 3171 SCTP_TCB_UNLOCK(stcb); 3172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3173 break; 3174 } 3175 } else 3176#endif 3177 { 3178 error = EAFNOSUPPORT; 3179 SCTP_TCB_UNLOCK(stcb); 3180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3181 break; 3182 } 3183 } 3184 if (stcb) { 3185 if (net) { 3186 thlds->spt_pathmaxrxt = net->failure_threshold; 3187 thlds->spt_pathpfthld = net->pf_threshold; 3188 } else { 3189 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3190 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3191 } 3192 thlds->spt_assoc_id = sctp_get_associd(stcb); 3193 SCTP_TCB_UNLOCK(stcb); 3194 } else { 3195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3197 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3198 /* Use endpoint defaults */ 3199 SCTP_INP_RLOCK(inp); 3200 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3201 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3202 SCTP_INP_RUNLOCK(inp); 3203 } else { 3204 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3205 error = EINVAL; 3206 } 3207 } 3208 if (error == 0) { 3209 *optsize = sizeof(struct sctp_paddrthlds); 3210 } 3211 break; 3212 } 3213 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3214 { 3215 struct sctp_udpencaps *encaps; 3216 struct sctp_nets *net; 3217 3218 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3219 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3220 3221 if (stcb) { 3222 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3223 } else { 3224 /* 3225 * We increment here since 3226 * sctp_findassociation_ep_addr() wil do a 3227 * decrement if it finds the stcb as long as 3228 * the locked tcb (last argument) is NOT a 3229 * TCB.. aka NULL. 3230 */ 3231 net = NULL; 3232 SCTP_INP_INCR_REF(inp); 3233 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3234 if (stcb == NULL) { 3235 SCTP_INP_DECR_REF(inp); 3236 } 3237 } 3238 if (stcb && (net == NULL)) { 3239 struct sockaddr *sa; 3240 3241 sa = (struct sockaddr *)&encaps->sue_address; 3242#ifdef INET 3243 if (sa->sa_family == AF_INET) { 3244 struct sockaddr_in *sin; 3245 3246 sin = (struct sockaddr_in *)sa; 3247 if (sin->sin_addr.s_addr) { 3248 error = EINVAL; 3249 SCTP_TCB_UNLOCK(stcb); 3250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3251 break; 3252 } 3253 } else 3254#endif 3255#ifdef INET6 3256 if (sa->sa_family == AF_INET6) { 3257 struct sockaddr_in6 *sin6; 3258 3259 sin6 = (struct sockaddr_in6 *)sa; 3260 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3261 error = EINVAL; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } else 3267#endif 3268 { 3269 error = EAFNOSUPPORT; 3270 SCTP_TCB_UNLOCK(stcb); 3271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3272 break; 3273 } 3274 } 3275 if (stcb) { 3276 if (net) { 3277 encaps->sue_port = net->port; 3278 } else { 3279 encaps->sue_port = stcb->asoc.port; 3280 } 3281 SCTP_TCB_UNLOCK(stcb); 3282 } else { 3283 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3284 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3285 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3286 SCTP_INP_RLOCK(inp); 3287 encaps->sue_port = inp->sctp_ep.port; 3288 SCTP_INP_RUNLOCK(inp); 3289 } else { 3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3291 error = EINVAL; 3292 } 3293 } 3294 if (error == 0) { 3295 *optsize = sizeof(struct sctp_paddrparams); 3296 } 3297 break; 3298 } 3299 case SCTP_ENABLE_STREAM_RESET: 3300 { 3301 struct sctp_assoc_value *av; 3302 3303 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3304 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3305 3306 if (stcb) { 3307 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3308 SCTP_TCB_UNLOCK(stcb); 3309 } else { 3310 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3311 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3312 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3313 SCTP_INP_RLOCK(inp); 3314 av->assoc_value = (uint32_t) inp->local_strreset_support; 3315 SCTP_INP_RUNLOCK(inp); 3316 } else { 3317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3318 error = EINVAL; 3319 } 3320 } 3321 if (error == 0) { 3322 *optsize = sizeof(struct sctp_assoc_value); 3323 } 3324 break; 3325 } 3326 default: 3327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3328 error = ENOPROTOOPT; 3329 break; 3330 } /* end switch (sopt->sopt_name) */ 3331 if (error) { 3332 *optsize = 0; 3333 } 3334 return (error); 3335} 3336 3337static int 3338sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3339 void *p) 3340{ 3341 int error, set_opt; 3342 uint32_t *mopt; 3343 struct sctp_tcb *stcb = NULL; 3344 struct sctp_inpcb *inp = NULL; 3345 uint32_t vrf_id; 3346 3347 if (optval == NULL) { 3348 SCTP_PRINTF("optval is NULL\n"); 3349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3350 return (EINVAL); 3351 } 3352 inp = (struct sctp_inpcb *)so->so_pcb; 3353 if (inp == NULL) { 3354 SCTP_PRINTF("inp is NULL?\n"); 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3356 return (EINVAL); 3357 } 3358 vrf_id = inp->def_vrf_id; 3359 3360 error = 0; 3361 switch (optname) { 3362 case SCTP_NODELAY: 3363 case SCTP_AUTOCLOSE: 3364 case SCTP_AUTO_ASCONF: 3365 case SCTP_EXPLICIT_EOR: 3366 case SCTP_DISABLE_FRAGMENTS: 3367 case SCTP_USE_EXT_RCVINFO: 3368 case SCTP_I_WANT_MAPPED_V4_ADDR: 3369 /* copy in the option value */ 3370 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3371 set_opt = 0; 3372 if (error) 3373 break; 3374 switch (optname) { 3375 case SCTP_DISABLE_FRAGMENTS: 3376 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3377 break; 3378 case SCTP_AUTO_ASCONF: 3379 /* 3380 * NOTE: we don't really support this flag 3381 */ 3382 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3383 /* only valid for bound all sockets */ 3384 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3385 (*mopt != 0)) { 3386 /* forbidden by admin */ 3387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3388 return (EPERM); 3389 } 3390 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3391 } else { 3392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3393 return (EINVAL); 3394 } 3395 break; 3396 case SCTP_EXPLICIT_EOR: 3397 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3398 break; 3399 case SCTP_USE_EXT_RCVINFO: 3400 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3401 break; 3402 case SCTP_I_WANT_MAPPED_V4_ADDR: 3403 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3404 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3405 } else { 3406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3407 return (EINVAL); 3408 } 3409 break; 3410 case SCTP_NODELAY: 3411 set_opt = SCTP_PCB_FLAGS_NODELAY; 3412 break; 3413 case SCTP_AUTOCLOSE: 3414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3415 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3417 return (EINVAL); 3418 } 3419 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3420 /* 3421 * The value is in ticks. Note this does not effect 3422 * old associations, only new ones. 3423 */ 3424 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3425 break; 3426 } 3427 SCTP_INP_WLOCK(inp); 3428 if (*mopt != 0) { 3429 sctp_feature_on(inp, set_opt); 3430 } else { 3431 sctp_feature_off(inp, set_opt); 3432 } 3433 SCTP_INP_WUNLOCK(inp); 3434 break; 3435 case SCTP_REUSE_PORT: 3436 { 3437 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3438 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3439 /* Can't set it after we are bound */ 3440 error = EINVAL; 3441 break; 3442 } 3443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3444 /* Can't do this for a 1-m socket */ 3445 error = EINVAL; 3446 break; 3447 } 3448 if (optval) 3449 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3450 else 3451 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3452 break; 3453 } 3454 case SCTP_PARTIAL_DELIVERY_POINT: 3455 { 3456 uint32_t *value; 3457 3458 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3459 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3461 error = EINVAL; 3462 break; 3463 } 3464 inp->partial_delivery_point = *value; 3465 break; 3466 } 3467 case SCTP_FRAGMENT_INTERLEAVE: 3468 /* not yet until we re-write sctp_recvmsg() */ 3469 { 3470 uint32_t *level; 3471 3472 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3473 if (*level == SCTP_FRAG_LEVEL_2) { 3474 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3475 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3476 } else if (*level == SCTP_FRAG_LEVEL_1) { 3477 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3478 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3479 } else if (*level == SCTP_FRAG_LEVEL_0) { 3480 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3481 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3482 3483 } else { 3484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3485 error = EINVAL; 3486 } 3487 break; 3488 } 3489 case SCTP_CMT_ON_OFF: 3490 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3491 struct sctp_assoc_value *av; 3492 3493 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3494 if (av->assoc_value > SCTP_CMT_MAX) { 3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3496 error = EINVAL; 3497 break; 3498 } 3499 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3500 if (stcb) { 3501 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3502 SCTP_TCB_UNLOCK(stcb); 3503 } else { 3504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3506 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3507 (av->assoc_id == SCTP_ALL_ASSOC)) { 3508 SCTP_INP_WLOCK(inp); 3509 inp->sctp_cmt_on_off = av->assoc_value; 3510 SCTP_INP_WUNLOCK(inp); 3511 } 3512 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3513 (av->assoc_id == SCTP_ALL_ASSOC)) { 3514 SCTP_INP_RLOCK(inp); 3515 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3516 SCTP_TCB_LOCK(stcb); 3517 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3518 SCTP_TCB_UNLOCK(stcb); 3519 } 3520 SCTP_INP_RUNLOCK(inp); 3521 } 3522 } 3523 } else { 3524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3525 error = ENOPROTOOPT; 3526 } 3527 break; 3528 case SCTP_PLUGGABLE_CC: 3529 { 3530 struct sctp_assoc_value *av; 3531 struct sctp_nets *net; 3532 3533 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3534 if ((av->assoc_value != SCTP_CC_RFC2581) && 3535 (av->assoc_value != SCTP_CC_HSTCP) && 3536 (av->assoc_value != SCTP_CC_HTCP) && 3537 (av->assoc_value != SCTP_CC_RTCC)) { 3538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3539 error = EINVAL; 3540 break; 3541 } 3542 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3543 if (stcb) { 3544 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3545 stcb->asoc.congestion_control_module = av->assoc_value; 3546 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3547 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3548 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3549 } 3550 } 3551 SCTP_TCB_UNLOCK(stcb); 3552 } else { 3553 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3554 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3555 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3556 (av->assoc_id == SCTP_ALL_ASSOC)) { 3557 SCTP_INP_WLOCK(inp); 3558 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3559 SCTP_INP_WUNLOCK(inp); 3560 } 3561 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3562 (av->assoc_id == SCTP_ALL_ASSOC)) { 3563 SCTP_INP_RLOCK(inp); 3564 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3565 SCTP_TCB_LOCK(stcb); 3566 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3567 stcb->asoc.congestion_control_module = av->assoc_value; 3568 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3569 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3570 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3571 } 3572 } 3573 SCTP_TCB_UNLOCK(stcb); 3574 } 3575 SCTP_INP_RUNLOCK(inp); 3576 } 3577 } 3578 break; 3579 } 3580 case SCTP_CC_OPTION: 3581 { 3582 struct sctp_cc_option *cc_opt; 3583 3584 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3585 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3586 if (stcb == NULL) { 3587 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3588 SCTP_INP_RLOCK(inp); 3589 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3590 SCTP_TCB_LOCK(stcb); 3591 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3592 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3593 } 3594 SCTP_TCB_UNLOCK(stcb); 3595 } 3596 SCTP_INP_RUNLOCK(inp); 3597 } else { 3598 error = EINVAL; 3599 } 3600 } else { 3601 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3602 error = ENOTSUP; 3603 } else { 3604 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3605 cc_opt); 3606 } 3607 SCTP_TCB_UNLOCK(stcb); 3608 } 3609 break; 3610 } 3611 case SCTP_PLUGGABLE_SS: 3612 { 3613 struct sctp_assoc_value *av; 3614 3615 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3616 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3617 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3618 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3619 (av->assoc_value != SCTP_SS_PRIORITY) && 3620 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3621 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3623 error = EINVAL; 3624 break; 3625 } 3626 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3627 if (stcb) { 3628 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3629 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3630 stcb->asoc.stream_scheduling_module = av->assoc_value; 3631 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3632 SCTP_TCB_UNLOCK(stcb); 3633 } else { 3634 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3635 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3636 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3637 (av->assoc_id == SCTP_ALL_ASSOC)) { 3638 SCTP_INP_WLOCK(inp); 3639 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3640 SCTP_INP_WUNLOCK(inp); 3641 } 3642 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3643 (av->assoc_id == SCTP_ALL_ASSOC)) { 3644 SCTP_INP_RLOCK(inp); 3645 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3646 SCTP_TCB_LOCK(stcb); 3647 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3648 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3649 stcb->asoc.stream_scheduling_module = av->assoc_value; 3650 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3651 SCTP_TCB_UNLOCK(stcb); 3652 } 3653 SCTP_INP_RUNLOCK(inp); 3654 } 3655 } 3656 break; 3657 } 3658 case SCTP_SS_VALUE: 3659 { 3660 struct sctp_stream_value *av; 3661 3662 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3663 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3664 if (stcb) { 3665 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3666 av->stream_value) < 0) { 3667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3668 error = EINVAL; 3669 } 3670 SCTP_TCB_UNLOCK(stcb); 3671 } else { 3672 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3673 SCTP_INP_RLOCK(inp); 3674 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3675 SCTP_TCB_LOCK(stcb); 3676 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3677 &stcb->asoc, 3678 &stcb->asoc.strmout[av->stream_id], 3679 av->stream_value); 3680 SCTP_TCB_UNLOCK(stcb); 3681 } 3682 SCTP_INP_RUNLOCK(inp); 3683 3684 } else { 3685 /* 3686 * Can't set stream value without 3687 * association 3688 */ 3689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3690 error = EINVAL; 3691 } 3692 } 3693 break; 3694 } 3695 case SCTP_CLR_STAT_LOG: 3696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3697 error = EOPNOTSUPP; 3698 break; 3699 case SCTP_CONTEXT: 3700 { 3701 struct sctp_assoc_value *av; 3702 3703 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3704 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3705 3706 if (stcb) { 3707 stcb->asoc.context = av->assoc_value; 3708 SCTP_TCB_UNLOCK(stcb); 3709 } else { 3710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3712 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3713 (av->assoc_id == SCTP_ALL_ASSOC)) { 3714 SCTP_INP_WLOCK(inp); 3715 inp->sctp_context = av->assoc_value; 3716 SCTP_INP_WUNLOCK(inp); 3717 } 3718 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3719 (av->assoc_id == SCTP_ALL_ASSOC)) { 3720 SCTP_INP_RLOCK(inp); 3721 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3722 SCTP_TCB_LOCK(stcb); 3723 stcb->asoc.context = av->assoc_value; 3724 SCTP_TCB_UNLOCK(stcb); 3725 } 3726 SCTP_INP_RUNLOCK(inp); 3727 } 3728 } 3729 break; 3730 } 3731 case SCTP_VRF_ID: 3732 { 3733 uint32_t *default_vrfid; 3734 3735 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3736 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3738 error = EINVAL; 3739 break; 3740 } 3741 inp->def_vrf_id = *default_vrfid; 3742 break; 3743 } 3744 case SCTP_DEL_VRF_ID: 3745 { 3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3747 error = EOPNOTSUPP; 3748 break; 3749 } 3750 case SCTP_ADD_VRF_ID: 3751 { 3752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3753 error = EOPNOTSUPP; 3754 break; 3755 } 3756 case SCTP_DELAYED_SACK: 3757 { 3758 struct sctp_sack_info *sack; 3759 3760 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3761 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3762 if (sack->sack_delay) { 3763 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3764 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3765 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3766 sack->sack_delay = TICKS_TO_MSEC(1); 3767 } 3768 } 3769 if (stcb) { 3770 if (sack->sack_delay) { 3771 stcb->asoc.delayed_ack = sack->sack_delay; 3772 } 3773 if (sack->sack_freq) { 3774 stcb->asoc.sack_freq = sack->sack_freq; 3775 } 3776 SCTP_TCB_UNLOCK(stcb); 3777 } else { 3778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3780 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3781 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3782 SCTP_INP_WLOCK(inp); 3783 if (sack->sack_delay) { 3784 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3785 } 3786 if (sack->sack_freq) { 3787 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3788 } 3789 SCTP_INP_WUNLOCK(inp); 3790 } 3791 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3792 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3793 SCTP_INP_RLOCK(inp); 3794 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3795 SCTP_TCB_LOCK(stcb); 3796 if (sack->sack_delay) { 3797 stcb->asoc.delayed_ack = sack->sack_delay; 3798 } 3799 if (sack->sack_freq) { 3800 stcb->asoc.sack_freq = sack->sack_freq; 3801 } 3802 SCTP_TCB_UNLOCK(stcb); 3803 } 3804 SCTP_INP_RUNLOCK(inp); 3805 } 3806 } 3807 break; 3808 } 3809 case SCTP_AUTH_CHUNK: 3810 { 3811 struct sctp_authchunk *sauth; 3812 3813 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3814 3815 SCTP_INP_WLOCK(inp); 3816 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3818 error = EINVAL; 3819 } 3820 SCTP_INP_WUNLOCK(inp); 3821 break; 3822 } 3823 case SCTP_AUTH_KEY: 3824 { 3825 struct sctp_authkey *sca; 3826 struct sctp_keyhead *shared_keys; 3827 sctp_sharedkey_t *shared_key; 3828 sctp_key_t *key = NULL; 3829 size_t size; 3830 3831 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3832 if (sca->sca_keylength == 0) { 3833 size = optsize - sizeof(struct sctp_authkey); 3834 } else { 3835 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3836 size = sca->sca_keylength; 3837 } else { 3838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3839 error = EINVAL; 3840 break; 3841 } 3842 } 3843 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3844 3845 if (stcb) { 3846 shared_keys = &stcb->asoc.shared_keys; 3847 /* clear the cached keys for this key id */ 3848 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3849 /* 3850 * create the new shared key and 3851 * insert/replace it 3852 */ 3853 if (size > 0) { 3854 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3855 if (key == NULL) { 3856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3857 error = ENOMEM; 3858 SCTP_TCB_UNLOCK(stcb); 3859 break; 3860 } 3861 } 3862 shared_key = sctp_alloc_sharedkey(); 3863 if (shared_key == NULL) { 3864 sctp_free_key(key); 3865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3866 error = ENOMEM; 3867 SCTP_TCB_UNLOCK(stcb); 3868 break; 3869 } 3870 shared_key->key = key; 3871 shared_key->keyid = sca->sca_keynumber; 3872 error = sctp_insert_sharedkey(shared_keys, shared_key); 3873 SCTP_TCB_UNLOCK(stcb); 3874 } else { 3875 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3877 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3878 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3879 SCTP_INP_WLOCK(inp); 3880 shared_keys = &inp->sctp_ep.shared_keys; 3881 /* 3882 * clear the cached keys on all 3883 * assocs for this key id 3884 */ 3885 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3886 /* 3887 * create the new shared key and 3888 * insert/replace it 3889 */ 3890 if (size > 0) { 3891 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3892 if (key == NULL) { 3893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3894 error = ENOMEM; 3895 SCTP_INP_WUNLOCK(inp); 3896 break; 3897 } 3898 } 3899 shared_key = sctp_alloc_sharedkey(); 3900 if (shared_key == NULL) { 3901 sctp_free_key(key); 3902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3903 error = ENOMEM; 3904 SCTP_INP_WUNLOCK(inp); 3905 break; 3906 } 3907 shared_key->key = key; 3908 shared_key->keyid = sca->sca_keynumber; 3909 error = sctp_insert_sharedkey(shared_keys, shared_key); 3910 SCTP_INP_WUNLOCK(inp); 3911 } 3912 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3913 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3914 SCTP_INP_RLOCK(inp); 3915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3916 SCTP_TCB_LOCK(stcb); 3917 shared_keys = &stcb->asoc.shared_keys; 3918 /* 3919 * clear the cached keys for 3920 * this key id 3921 */ 3922 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3923 /* 3924 * create the new shared key 3925 * and insert/replace it 3926 */ 3927 if (size > 0) { 3928 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3929 if (key == NULL) { 3930 SCTP_TCB_UNLOCK(stcb); 3931 continue; 3932 } 3933 } 3934 shared_key = sctp_alloc_sharedkey(); 3935 if (shared_key == NULL) { 3936 sctp_free_key(key); 3937 SCTP_TCB_UNLOCK(stcb); 3938 continue; 3939 } 3940 shared_key->key = key; 3941 shared_key->keyid = sca->sca_keynumber; 3942 error = sctp_insert_sharedkey(shared_keys, shared_key); 3943 SCTP_TCB_UNLOCK(stcb); 3944 } 3945 SCTP_INP_RUNLOCK(inp); 3946 } 3947 } 3948 break; 3949 } 3950 case SCTP_HMAC_IDENT: 3951 { 3952 struct sctp_hmacalgo *shmac; 3953 sctp_hmaclist_t *hmaclist; 3954 uint16_t hmacid; 3955 uint32_t i; 3956 size_t found; 3957 3958 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3959 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3961 error = EINVAL; 3962 break; 3963 } 3964 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3965 if (hmaclist == NULL) { 3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3967 error = ENOMEM; 3968 break; 3969 } 3970 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3971 hmacid = shmac->shmac_idents[i]; 3972 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3973 /* invalid HMACs were found */ ; 3974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3975 error = EINVAL; 3976 sctp_free_hmaclist(hmaclist); 3977 goto sctp_set_hmac_done; 3978 } 3979 } 3980 found = 0; 3981 for (i = 0; i < hmaclist->num_algo; i++) { 3982 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3983 /* already in list */ 3984 found = 1; 3985 } 3986 } 3987 if (!found) { 3988 sctp_free_hmaclist(hmaclist); 3989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3990 error = EINVAL; 3991 break; 3992 } 3993 /* set it on the endpoint */ 3994 SCTP_INP_WLOCK(inp); 3995 if (inp->sctp_ep.local_hmacs) 3996 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3997 inp->sctp_ep.local_hmacs = hmaclist; 3998 SCTP_INP_WUNLOCK(inp); 3999 sctp_set_hmac_done: 4000 break; 4001 } 4002 case SCTP_AUTH_ACTIVE_KEY: 4003 { 4004 struct sctp_authkeyid *scact; 4005 4006 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4007 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4008 4009 /* set the active key on the right place */ 4010 if (stcb) { 4011 /* set the active key on the assoc */ 4012 if (sctp_auth_setactivekey(stcb, 4013 scact->scact_keynumber)) { 4014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4015 SCTP_FROM_SCTP_USRREQ, 4016 EINVAL); 4017 error = EINVAL; 4018 } 4019 SCTP_TCB_UNLOCK(stcb); 4020 } else { 4021 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4022 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4023 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4024 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4025 SCTP_INP_WLOCK(inp); 4026 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4028 error = EINVAL; 4029 } 4030 SCTP_INP_WUNLOCK(inp); 4031 } 4032 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4033 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4034 SCTP_INP_RLOCK(inp); 4035 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4036 SCTP_TCB_LOCK(stcb); 4037 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4038 SCTP_TCB_UNLOCK(stcb); 4039 } 4040 SCTP_INP_RUNLOCK(inp); 4041 } 4042 } 4043 break; 4044 } 4045 case SCTP_AUTH_DELETE_KEY: 4046 { 4047 struct sctp_authkeyid *scdel; 4048 4049 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4050 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4051 4052 /* delete the key from the right place */ 4053 if (stcb) { 4054 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4056 error = EINVAL; 4057 } 4058 SCTP_TCB_UNLOCK(stcb); 4059 } else { 4060 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4061 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4062 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4063 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4064 SCTP_INP_WLOCK(inp); 4065 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 } 4069 SCTP_INP_WUNLOCK(inp); 4070 } 4071 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4072 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4073 SCTP_INP_RLOCK(inp); 4074 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4075 SCTP_TCB_LOCK(stcb); 4076 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4077 SCTP_TCB_UNLOCK(stcb); 4078 } 4079 SCTP_INP_RUNLOCK(inp); 4080 } 4081 } 4082 break; 4083 } 4084 case SCTP_AUTH_DEACTIVATE_KEY: 4085 { 4086 struct sctp_authkeyid *keyid; 4087 4088 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4089 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4090 4091 /* deactivate the key from the right place */ 4092 if (stcb) { 4093 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4095 error = EINVAL; 4096 } 4097 SCTP_TCB_UNLOCK(stcb); 4098 } else { 4099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4101 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4102 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4103 SCTP_INP_WLOCK(inp); 4104 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4106 error = EINVAL; 4107 } 4108 SCTP_INP_WUNLOCK(inp); 4109 } 4110 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4111 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4112 SCTP_INP_RLOCK(inp); 4113 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4114 SCTP_TCB_LOCK(stcb); 4115 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4116 SCTP_TCB_UNLOCK(stcb); 4117 } 4118 SCTP_INP_RUNLOCK(inp); 4119 } 4120 } 4121 break; 4122 } 4123 case SCTP_ENABLE_STREAM_RESET: 4124 { 4125 struct sctp_assoc_value *av; 4126 4127 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4128 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4130 error = EINVAL; 4131 break; 4132 } 4133 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4134 if (stcb) { 4135 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4136 SCTP_TCB_UNLOCK(stcb); 4137 } else { 4138 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4140 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4141 (av->assoc_id == SCTP_ALL_ASSOC)) { 4142 SCTP_INP_WLOCK(inp); 4143 inp->local_strreset_support = (uint8_t) av->assoc_value; 4144 SCTP_INP_WUNLOCK(inp); 4145 } 4146 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4147 (av->assoc_id == SCTP_ALL_ASSOC)) { 4148 SCTP_INP_RLOCK(inp); 4149 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4150 SCTP_TCB_LOCK(stcb); 4151 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4152 SCTP_TCB_UNLOCK(stcb); 4153 } 4154 SCTP_INP_RUNLOCK(inp); 4155 } 4156 } 4157 break; 4158 } 4159 case SCTP_RESET_STREAMS: 4160 { 4161 struct sctp_reset_streams *strrst; 4162 int i, send_out = 0; 4163 int send_in = 0; 4164 4165 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4166 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4167 4168 if (stcb == NULL) { 4169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4170 error = ENOENT; 4171 break; 4172 } 4173 if (stcb->asoc.peer_supports_strreset == 0) { 4174 /* 4175 * Peer does not support the chunk type. 4176 */ 4177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4178 error = EOPNOTSUPP; 4179 SCTP_TCB_UNLOCK(stcb); 4180 break; 4181 } 4182 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_STREAM_REQ)) { 4183 /* 4184 * User did not enable the operation. 4185 */ 4186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4187 error = EPERM; 4188 SCTP_TCB_UNLOCK(stcb); 4189 break; 4190 } 4191 if (stcb->asoc.stream_reset_outstanding) { 4192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4193 error = EALREADY; 4194 SCTP_TCB_UNLOCK(stcb); 4195 break; 4196 } 4197 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4198 send_in = 1; 4199 } 4200 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4201 send_out = 1; 4202 } 4203 if ((send_in == 0) && (send_out == 0)) { 4204 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4205 error = EINVAL; 4206 SCTP_TCB_UNLOCK(stcb); 4207 break; 4208 } 4209 for (i = 0; i < strrst->srs_number_streams; i++) { 4210 if ((send_in) && 4211 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4213 error = EINVAL; 4214 break; 4215 } 4216 if ((send_out) && 4217 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4219 error = EINVAL; 4220 break; 4221 } 4222 } 4223 if (error) { 4224 SCTP_TCB_UNLOCK(stcb); 4225 break; 4226 } 4227 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4228 strrst->srs_stream_list, 4229 send_out, send_in, 0, 0, 0, 0, 0); 4230 4231 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4232 SCTP_TCB_UNLOCK(stcb); 4233 break; 4234 } 4235 case SCTP_ADD_STREAMS: 4236 { 4237 struct sctp_add_streams *stradd; 4238 uint8_t addstream = 0; 4239 uint16_t add_o_strmcnt = 0; 4240 uint16_t add_i_strmcnt = 0; 4241 4242 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4243 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4244 if (stcb == NULL) { 4245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4246 error = ENOENT; 4247 break; 4248 } 4249 if ((stradd->sas_outstrms == 0) && 4250 (stradd->sas_instrms == 0)) { 4251 error = EINVAL; 4252 goto skip_stuff; 4253 } 4254 if (stradd->sas_outstrms) { 4255 addstream = 1; 4256 /* We allocate here */ 4257 add_o_strmcnt = stradd->sas_outstrms; 4258 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4259 /* You can't have more than 64k */ 4260 error = EINVAL; 4261 goto skip_stuff; 4262 } 4263 } 4264 if (stradd->sas_instrms) { 4265 int cnt; 4266 4267 addstream |= 2; 4268 /* 4269 * We allocate inside 4270 * sctp_send_str_reset_req() 4271 */ 4272 add_i_strmcnt = stradd->sas_instrms; 4273 cnt = add_i_strmcnt; 4274 cnt += stcb->asoc.streamincnt; 4275 if (cnt > 0x0000ffff) { 4276 /* You can't have more than 64k */ 4277 error = EINVAL; 4278 goto skip_stuff; 4279 } 4280 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4281 /* More than you are allowed */ 4282 error = EINVAL; 4283 goto skip_stuff; 4284 } 4285 } 4286 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4287 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4288 skip_stuff: 4289 SCTP_TCB_UNLOCK(stcb); 4290 break; 4291 } 4292 case SCTP_RESET_ASSOC: 4293 { 4294 uint32_t *value; 4295 4296 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4297 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4298 if (stcb == NULL) { 4299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4300 error = ENOENT; 4301 break; 4302 } 4303 if (stcb->asoc.peer_supports_strreset == 0) { 4304 /* 4305 * Peer does not support the chunk type. 4306 */ 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4308 error = EOPNOTSUPP; 4309 SCTP_TCB_UNLOCK(stcb); 4310 break; 4311 } 4312 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_ASSOC_REQ)) { 4313 /* 4314 * User did not enable the operation. 4315 */ 4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4317 error = EPERM; 4318 SCTP_TCB_UNLOCK(stcb); 4319 break; 4320 } 4321 if (stcb->asoc.stream_reset_outstanding) { 4322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4323 error = EALREADY; 4324 SCTP_TCB_UNLOCK(stcb); 4325 break; 4326 } 4327 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4328 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4329 SCTP_TCB_UNLOCK(stcb); 4330 break; 4331 } 4332 case SCTP_CONNECT_X: 4333 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4335 error = EINVAL; 4336 break; 4337 } 4338 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4339 break; 4340 case SCTP_CONNECT_X_DELAYED: 4341 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4343 error = EINVAL; 4344 break; 4345 } 4346 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4347 break; 4348 case SCTP_CONNECT_X_COMPLETE: 4349 { 4350 struct sockaddr *sa; 4351 struct sctp_nets *net; 4352 4353 /* FIXME MT: check correct? */ 4354 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4355 4356 /* find tcb */ 4357 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4358 SCTP_INP_RLOCK(inp); 4359 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4360 if (stcb) { 4361 SCTP_TCB_LOCK(stcb); 4362 net = sctp_findnet(stcb, sa); 4363 } 4364 SCTP_INP_RUNLOCK(inp); 4365 } else { 4366 /* 4367 * We increment here since 4368 * sctp_findassociation_ep_addr() wil do a 4369 * decrement if it finds the stcb as long as 4370 * the locked tcb (last argument) is NOT a 4371 * TCB.. aka NULL. 4372 */ 4373 SCTP_INP_INCR_REF(inp); 4374 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4375 if (stcb == NULL) { 4376 SCTP_INP_DECR_REF(inp); 4377 } 4378 } 4379 4380 if (stcb == NULL) { 4381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4382 error = ENOENT; 4383 break; 4384 } 4385 if (stcb->asoc.delayed_connection == 1) { 4386 stcb->asoc.delayed_connection = 0; 4387 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4388 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4389 stcb->asoc.primary_destination, 4390 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4391 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4392 } else { 4393 /* 4394 * already expired or did not use delayed 4395 * connectx 4396 */ 4397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4398 error = EALREADY; 4399 } 4400 SCTP_TCB_UNLOCK(stcb); 4401 break; 4402 } 4403 case SCTP_MAX_BURST: 4404 { 4405 struct sctp_assoc_value *av; 4406 4407 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4408 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4409 4410 if (stcb) { 4411 stcb->asoc.max_burst = av->assoc_value; 4412 SCTP_TCB_UNLOCK(stcb); 4413 } else { 4414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4415 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4416 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4417 (av->assoc_id == SCTP_ALL_ASSOC)) { 4418 SCTP_INP_WLOCK(inp); 4419 inp->sctp_ep.max_burst = av->assoc_value; 4420 SCTP_INP_WUNLOCK(inp); 4421 } 4422 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4423 (av->assoc_id == SCTP_ALL_ASSOC)) { 4424 SCTP_INP_RLOCK(inp); 4425 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4426 SCTP_TCB_LOCK(stcb); 4427 stcb->asoc.max_burst = av->assoc_value; 4428 SCTP_TCB_UNLOCK(stcb); 4429 } 4430 SCTP_INP_RUNLOCK(inp); 4431 } 4432 } 4433 break; 4434 } 4435 case SCTP_MAXSEG: 4436 { 4437 struct sctp_assoc_value *av; 4438 int ovh; 4439 4440 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4441 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4442 4443 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4444 ovh = SCTP_MED_OVERHEAD; 4445 } else { 4446 ovh = SCTP_MED_V4_OVERHEAD; 4447 } 4448 if (stcb) { 4449 if (av->assoc_value) { 4450 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4451 } else { 4452 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4453 } 4454 SCTP_TCB_UNLOCK(stcb); 4455 } else { 4456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4457 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4458 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4459 SCTP_INP_WLOCK(inp); 4460 /* 4461 * FIXME MT: I think this is not in 4462 * tune with the API ID 4463 */ 4464 if (av->assoc_value) { 4465 inp->sctp_frag_point = (av->assoc_value + ovh); 4466 } else { 4467 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4468 } 4469 SCTP_INP_WUNLOCK(inp); 4470 } else { 4471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4472 error = EINVAL; 4473 } 4474 } 4475 break; 4476 } 4477 case SCTP_EVENTS: 4478 { 4479 struct sctp_event_subscribe *events; 4480 4481 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4482 4483 SCTP_INP_WLOCK(inp); 4484 if (events->sctp_data_io_event) { 4485 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4486 } else { 4487 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4488 } 4489 4490 if (events->sctp_association_event) { 4491 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4492 } else { 4493 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4494 } 4495 4496 if (events->sctp_address_event) { 4497 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4498 } else { 4499 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4500 } 4501 4502 if (events->sctp_send_failure_event) { 4503 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4504 } else { 4505 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4506 } 4507 4508 if (events->sctp_peer_error_event) { 4509 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4510 } else { 4511 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4512 } 4513 4514 if (events->sctp_shutdown_event) { 4515 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4516 } else { 4517 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4518 } 4519 4520 if (events->sctp_partial_delivery_event) { 4521 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4522 } else { 4523 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4524 } 4525 4526 if (events->sctp_adaptation_layer_event) { 4527 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4528 } else { 4529 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4530 } 4531 4532 if (events->sctp_authentication_event) { 4533 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4534 } else { 4535 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4536 } 4537 4538 if (events->sctp_sender_dry_event) { 4539 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4540 } else { 4541 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4542 } 4543 4544 if (events->sctp_stream_reset_event) { 4545 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4546 } else { 4547 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4548 } 4549 SCTP_INP_WUNLOCK(inp); 4550 4551 SCTP_INP_RLOCK(inp); 4552 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4553 SCTP_TCB_LOCK(stcb); 4554 if (events->sctp_association_event) { 4555 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4556 } else { 4557 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4558 } 4559 if (events->sctp_address_event) { 4560 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4561 } else { 4562 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4563 } 4564 if (events->sctp_send_failure_event) { 4565 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4566 } else { 4567 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4568 } 4569 if (events->sctp_peer_error_event) { 4570 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4571 } else { 4572 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4573 } 4574 if (events->sctp_shutdown_event) { 4575 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4576 } else { 4577 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4578 } 4579 if (events->sctp_partial_delivery_event) { 4580 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4581 } else { 4582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4583 } 4584 if (events->sctp_adaptation_layer_event) { 4585 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4586 } else { 4587 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4588 } 4589 if (events->sctp_authentication_event) { 4590 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4591 } else { 4592 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4593 } 4594 if (events->sctp_sender_dry_event) { 4595 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4596 } else { 4597 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4598 } 4599 if (events->sctp_stream_reset_event) { 4600 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4601 } else { 4602 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4603 } 4604 SCTP_TCB_UNLOCK(stcb); 4605 } 4606 /* 4607 * Send up the sender dry event only for 1-to-1 4608 * style sockets. 4609 */ 4610 if (events->sctp_sender_dry_event) { 4611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4613 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4614 if (stcb) { 4615 SCTP_TCB_LOCK(stcb); 4616 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4617 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4618 (stcb->asoc.stream_queue_cnt == 0)) { 4619 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4620 } 4621 SCTP_TCB_UNLOCK(stcb); 4622 } 4623 } 4624 } 4625 SCTP_INP_RUNLOCK(inp); 4626 break; 4627 } 4628 case SCTP_ADAPTATION_LAYER: 4629 { 4630 struct sctp_setadaptation *adap_bits; 4631 4632 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4633 SCTP_INP_WLOCK(inp); 4634 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4635 SCTP_INP_WUNLOCK(inp); 4636 break; 4637 } 4638#ifdef SCTP_DEBUG 4639 case SCTP_SET_INITIAL_DBG_SEQ: 4640 { 4641 uint32_t *vvv; 4642 4643 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4644 SCTP_INP_WLOCK(inp); 4645 inp->sctp_ep.initial_sequence_debug = *vvv; 4646 SCTP_INP_WUNLOCK(inp); 4647 break; 4648 } 4649#endif 4650 case SCTP_DEFAULT_SEND_PARAM: 4651 { 4652 struct sctp_sndrcvinfo *s_info; 4653 4654 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4655 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4656 4657 if (stcb) { 4658 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4659 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4660 } else { 4661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4662 error = EINVAL; 4663 } 4664 SCTP_TCB_UNLOCK(stcb); 4665 } else { 4666 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4667 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4668 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4669 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4670 SCTP_INP_WLOCK(inp); 4671 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4672 SCTP_INP_WUNLOCK(inp); 4673 } 4674 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4675 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4676 SCTP_INP_RLOCK(inp); 4677 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4678 SCTP_TCB_LOCK(stcb); 4679 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4680 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4681 } 4682 SCTP_TCB_UNLOCK(stcb); 4683 } 4684 SCTP_INP_RUNLOCK(inp); 4685 } 4686 } 4687 break; 4688 } 4689 case SCTP_PEER_ADDR_PARAMS: 4690 { 4691 struct sctp_paddrparams *paddrp; 4692 struct sctp_nets *net; 4693 4694 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4695 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4696 net = NULL; 4697 if (stcb) { 4698 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4699 } else { 4700 /* 4701 * We increment here since 4702 * sctp_findassociation_ep_addr() wil do a 4703 * decrement if it finds the stcb as long as 4704 * the locked tcb (last argument) is NOT a 4705 * TCB.. aka NULL. 4706 */ 4707 SCTP_INP_INCR_REF(inp); 4708 stcb = sctp_findassociation_ep_addr(&inp, 4709 (struct sockaddr *)&paddrp->spp_address, 4710 &net, NULL, NULL); 4711 if (stcb == NULL) { 4712 SCTP_INP_DECR_REF(inp); 4713 } 4714 } 4715 if (stcb && (net == NULL)) { 4716 struct sockaddr *sa; 4717 4718 sa = (struct sockaddr *)&paddrp->spp_address; 4719#ifdef INET 4720 if (sa->sa_family == AF_INET) { 4721 4722 struct sockaddr_in *sin; 4723 4724 sin = (struct sockaddr_in *)sa; 4725 if (sin->sin_addr.s_addr) { 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4727 SCTP_TCB_UNLOCK(stcb); 4728 error = EINVAL; 4729 break; 4730 } 4731 } else 4732#endif 4733#ifdef INET6 4734 if (sa->sa_family == AF_INET6) { 4735 struct sockaddr_in6 *sin6; 4736 4737 sin6 = (struct sockaddr_in6 *)sa; 4738 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4740 SCTP_TCB_UNLOCK(stcb); 4741 error = EINVAL; 4742 break; 4743 } 4744 } else 4745#endif 4746 { 4747 error = EAFNOSUPPORT; 4748 SCTP_TCB_UNLOCK(stcb); 4749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4750 break; 4751 } 4752 } 4753 /* sanity checks */ 4754 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4755 if (stcb) 4756 SCTP_TCB_UNLOCK(stcb); 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4758 return (EINVAL); 4759 } 4760 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4761 if (stcb) 4762 SCTP_TCB_UNLOCK(stcb); 4763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4764 return (EINVAL); 4765 } 4766 if (stcb) { 4767 /************************TCB SPECIFIC SET ******************/ 4768 /* 4769 * do we change the timer for HB, we run 4770 * only one? 4771 */ 4772 int ovh = 0; 4773 4774 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4775 ovh = SCTP_MED_OVERHEAD; 4776 } else { 4777 ovh = SCTP_MED_V4_OVERHEAD; 4778 } 4779 4780 /* network sets ? */ 4781 if (net) { 4782 /************************NET SPECIFIC SET ******************/ 4783 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4784 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4785 !(net->dest_state & SCTP_ADDR_NOHB)) { 4786 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4787 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4788 } 4789 net->dest_state |= SCTP_ADDR_NOHB; 4790 } 4791 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4792 if (paddrp->spp_hbinterval) { 4793 net->heart_beat_delay = paddrp->spp_hbinterval; 4794 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4795 net->heart_beat_delay = 0; 4796 } 4797 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4798 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4799 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4800 net->dest_state &= ~SCTP_ADDR_NOHB; 4801 } 4802 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4803 /* on demand HB */ 4804 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4805 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4806 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4807 } 4808 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4809 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4810 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4811 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4812 } 4813 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4814 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4815 net->mtu = paddrp->spp_pathmtu + ovh; 4816 if (net->mtu < stcb->asoc.smallest_mtu) { 4817 sctp_pathmtu_adjustment(stcb, net->mtu); 4818 } 4819 } 4820 } 4821 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4822 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4823 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4824 } 4825 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4826 } 4827 if (paddrp->spp_pathmaxrxt) { 4828 if (net->dest_state & SCTP_ADDR_PF) { 4829 if (net->error_count > paddrp->spp_pathmaxrxt) { 4830 net->dest_state &= ~SCTP_ADDR_PF; 4831 } 4832 } else { 4833 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4834 (net->error_count > net->pf_threshold)) { 4835 net->dest_state |= SCTP_ADDR_PF; 4836 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4837 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4838 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4839 } 4840 } 4841 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4842 if (net->error_count > paddrp->spp_pathmaxrxt) { 4843 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4844 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4845 } 4846 } else { 4847 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4848 net->dest_state |= SCTP_ADDR_REACHABLE; 4849 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4850 } 4851 } 4852 net->failure_threshold = paddrp->spp_pathmaxrxt; 4853 } 4854 if (paddrp->spp_flags & SPP_DSCP) { 4855 net->dscp = paddrp->spp_dscp & 0xfc; 4856 net->dscp |= 0x01; 4857 } 4858#ifdef INET6 4859 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4860 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4861 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4862 net->flowlabel |= 0x80000000; 4863 } 4864 } 4865#endif 4866 } else { 4867 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4868 if (paddrp->spp_pathmaxrxt) { 4869 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4870 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4871 if (net->dest_state & SCTP_ADDR_PF) { 4872 if (net->error_count > paddrp->spp_pathmaxrxt) { 4873 net->dest_state &= ~SCTP_ADDR_PF; 4874 } 4875 } else { 4876 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4877 (net->error_count > net->pf_threshold)) { 4878 net->dest_state |= SCTP_ADDR_PF; 4879 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4880 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4881 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4882 } 4883 } 4884 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4885 if (net->error_count > paddrp->spp_pathmaxrxt) { 4886 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4887 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4888 } 4889 } else { 4890 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4891 net->dest_state |= SCTP_ADDR_REACHABLE; 4892 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4893 } 4894 } 4895 net->failure_threshold = paddrp->spp_pathmaxrxt; 4896 } 4897 } 4898 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4899 if (paddrp->spp_hbinterval) { 4900 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4901 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4902 stcb->asoc.heart_beat_delay = 0; 4903 } 4904 /* Turn back on the timer */ 4905 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4906 if (paddrp->spp_hbinterval) { 4907 net->heart_beat_delay = paddrp->spp_hbinterval; 4908 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4909 net->heart_beat_delay = 0; 4910 } 4911 if (net->dest_state & SCTP_ADDR_NOHB) { 4912 net->dest_state &= ~SCTP_ADDR_NOHB; 4913 } 4914 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4915 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4916 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4917 } 4918 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4919 } 4920 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4921 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4922 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4923 net->dest_state |= SCTP_ADDR_NOHB; 4924 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4925 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4926 } 4927 } 4928 } 4929 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4930 } 4931 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4932 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4933 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4934 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4935 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4936 } 4937 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4938 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4939 net->mtu = paddrp->spp_pathmtu + ovh; 4940 if (net->mtu < stcb->asoc.smallest_mtu) { 4941 sctp_pathmtu_adjustment(stcb, net->mtu); 4942 } 4943 } 4944 } 4945 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4946 } 4947 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4948 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4949 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4950 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4951 } 4952 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4953 } 4954 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4955 } 4956 if (paddrp->spp_flags & SPP_DSCP) { 4957 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4958 net->dscp = paddrp->spp_dscp & 0xfc; 4959 net->dscp |= 0x01; 4960 } 4961 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4962 stcb->asoc.default_dscp |= 0x01; 4963 } 4964#ifdef INET6 4965 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4966 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4967 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4968 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4969 net->flowlabel |= 0x80000000; 4970 } 4971 } 4972 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4973 stcb->asoc.default_flowlabel |= 0x80000000; 4974 } 4975#endif 4976 } 4977 SCTP_TCB_UNLOCK(stcb); 4978 } else { 4979 /************************NO TCB, SET TO default stuff ******************/ 4980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4981 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4982 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4983 SCTP_INP_WLOCK(inp); 4984 /* 4985 * For the TOS/FLOWLABEL stuff you 4986 * set it with the options on the 4987 * socket 4988 */ 4989 if (paddrp->spp_pathmaxrxt) { 4990 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4991 } 4992 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4993 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4994 else if (paddrp->spp_hbinterval) { 4995 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4996 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4997 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4998 } 4999 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5000 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5001 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5002 } else if (paddrp->spp_hbinterval) { 5003 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5004 } 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5006 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5007 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5008 } 5009 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5010 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5011 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5012 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5013 } 5014 if (paddrp->spp_flags & SPP_DSCP) { 5015 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5016 inp->sctp_ep.default_dscp |= 0x01; 5017 } 5018#ifdef INET6 5019 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5020 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5021 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5022 inp->sctp_ep.default_flowlabel |= 0x80000000; 5023 } 5024 } 5025#endif 5026 SCTP_INP_WUNLOCK(inp); 5027 } else { 5028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5029 error = EINVAL; 5030 } 5031 } 5032 break; 5033 } 5034 case SCTP_RTOINFO: 5035 { 5036 struct sctp_rtoinfo *srto; 5037 uint32_t new_init, new_min, new_max; 5038 5039 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5040 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5041 5042 if (stcb) { 5043 if (srto->srto_initial) 5044 new_init = srto->srto_initial; 5045 else 5046 new_init = stcb->asoc.initial_rto; 5047 if (srto->srto_max) 5048 new_max = srto->srto_max; 5049 else 5050 new_max = stcb->asoc.maxrto; 5051 if (srto->srto_min) 5052 new_min = srto->srto_min; 5053 else 5054 new_min = stcb->asoc.minrto; 5055 if ((new_min <= new_init) && (new_init <= new_max)) { 5056 stcb->asoc.initial_rto = new_init; 5057 stcb->asoc.maxrto = new_max; 5058 stcb->asoc.minrto = new_min; 5059 } else { 5060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5061 error = EINVAL; 5062 } 5063 SCTP_TCB_UNLOCK(stcb); 5064 } else { 5065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5066 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5067 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5068 SCTP_INP_WLOCK(inp); 5069 if (srto->srto_initial) 5070 new_init = srto->srto_initial; 5071 else 5072 new_init = inp->sctp_ep.initial_rto; 5073 if (srto->srto_max) 5074 new_max = srto->srto_max; 5075 else 5076 new_max = inp->sctp_ep.sctp_maxrto; 5077 if (srto->srto_min) 5078 new_min = srto->srto_min; 5079 else 5080 new_min = inp->sctp_ep.sctp_minrto; 5081 if ((new_min <= new_init) && (new_init <= new_max)) { 5082 inp->sctp_ep.initial_rto = new_init; 5083 inp->sctp_ep.sctp_maxrto = new_max; 5084 inp->sctp_ep.sctp_minrto = new_min; 5085 } else { 5086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5087 error = EINVAL; 5088 } 5089 SCTP_INP_WUNLOCK(inp); 5090 } else { 5091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5092 error = EINVAL; 5093 } 5094 } 5095 break; 5096 } 5097 case SCTP_ASSOCINFO: 5098 { 5099 struct sctp_assocparams *sasoc; 5100 5101 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5102 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5103 if (sasoc->sasoc_cookie_life) { 5104 /* boundary check the cookie life */ 5105 if (sasoc->sasoc_cookie_life < 1000) 5106 sasoc->sasoc_cookie_life = 1000; 5107 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5108 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5109 } 5110 } 5111 if (stcb) { 5112 if (sasoc->sasoc_asocmaxrxt) 5113 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5114 if (sasoc->sasoc_cookie_life) { 5115 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5116 } 5117 SCTP_TCB_UNLOCK(stcb); 5118 } else { 5119 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5120 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5121 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5122 SCTP_INP_WLOCK(inp); 5123 if (sasoc->sasoc_asocmaxrxt) 5124 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5125 if (sasoc->sasoc_cookie_life) { 5126 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5127 } 5128 SCTP_INP_WUNLOCK(inp); 5129 } else { 5130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5131 error = EINVAL; 5132 } 5133 } 5134 break; 5135 } 5136 case SCTP_INITMSG: 5137 { 5138 struct sctp_initmsg *sinit; 5139 5140 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5141 SCTP_INP_WLOCK(inp); 5142 if (sinit->sinit_num_ostreams) 5143 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5144 5145 if (sinit->sinit_max_instreams) 5146 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5147 5148 if (sinit->sinit_max_attempts) 5149 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5150 5151 if (sinit->sinit_max_init_timeo) 5152 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5153 SCTP_INP_WUNLOCK(inp); 5154 break; 5155 } 5156 case SCTP_PRIMARY_ADDR: 5157 { 5158 struct sctp_setprim *spa; 5159 struct sctp_nets *net; 5160 5161 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5162 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5163 5164 net = NULL; 5165 if (stcb) { 5166 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5167 } else { 5168 /* 5169 * We increment here since 5170 * sctp_findassociation_ep_addr() wil do a 5171 * decrement if it finds the stcb as long as 5172 * the locked tcb (last argument) is NOT a 5173 * TCB.. aka NULL. 5174 */ 5175 SCTP_INP_INCR_REF(inp); 5176 stcb = sctp_findassociation_ep_addr(&inp, 5177 (struct sockaddr *)&spa->ssp_addr, 5178 &net, NULL, NULL); 5179 if (stcb == NULL) { 5180 SCTP_INP_DECR_REF(inp); 5181 } 5182 } 5183 5184 if ((stcb) && (net)) { 5185 if ((net != stcb->asoc.primary_destination) && 5186 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5187 /* Ok we need to set it */ 5188 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5189 if ((stcb->asoc.alternate) && 5190 (!(net->dest_state & SCTP_ADDR_PF)) && 5191 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5192 sctp_free_remote_addr(stcb->asoc.alternate); 5193 stcb->asoc.alternate = NULL; 5194 } 5195 } 5196 } 5197 } else { 5198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5199 error = EINVAL; 5200 } 5201 if (stcb) { 5202 SCTP_TCB_UNLOCK(stcb); 5203 } 5204 break; 5205 } 5206 case SCTP_SET_DYNAMIC_PRIMARY: 5207 { 5208 union sctp_sockstore *ss; 5209 5210 error = priv_check(curthread, 5211 PRIV_NETINET_RESERVEDPORT); 5212 if (error) 5213 break; 5214 5215 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5216 /* SUPER USER CHECK? */ 5217 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5218 break; 5219 } 5220 case SCTP_SET_PEER_PRIMARY_ADDR: 5221 { 5222 struct sctp_setpeerprim *sspp; 5223 5224 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5225 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5226 if (stcb != NULL) { 5227 struct sctp_ifa *ifa; 5228 5229 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5230 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5231 if (ifa == NULL) { 5232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5233 error = EINVAL; 5234 goto out_of_it; 5235 } 5236 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5237 /* 5238 * Must validate the ifa found is in 5239 * our ep 5240 */ 5241 struct sctp_laddr *laddr; 5242 int found = 0; 5243 5244 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5245 if (laddr->ifa == NULL) { 5246 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5247 __FUNCTION__); 5248 continue; 5249 } 5250 if (laddr->ifa == ifa) { 5251 found = 1; 5252 break; 5253 } 5254 } 5255 if (!found) { 5256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5257 error = EINVAL; 5258 goto out_of_it; 5259 } 5260 } 5261 if (sctp_set_primary_ip_address_sa(stcb, 5262 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5264 error = EINVAL; 5265 } 5266 out_of_it: 5267 SCTP_TCB_UNLOCK(stcb); 5268 } else { 5269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5270 error = EINVAL; 5271 } 5272 break; 5273 } 5274 case SCTP_BINDX_ADD_ADDR: 5275 { 5276 struct sctp_getaddresses *addrs; 5277 size_t sz; 5278 struct thread *td; 5279 5280 td = (struct thread *)p; 5281 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5282 optsize); 5283#ifdef INET 5284 if (addrs->addr->sa_family == AF_INET) { 5285 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5286 if (optsize < sz) { 5287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5288 error = EINVAL; 5289 break; 5290 } 5291 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5292 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5293 break; 5294 } 5295 } else 5296#endif 5297#ifdef INET6 5298 if (addrs->addr->sa_family == AF_INET6) { 5299 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5300 if (optsize < sz) { 5301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5302 error = EINVAL; 5303 break; 5304 } 5305 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5306 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5307 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5308 break; 5309 } 5310 } else 5311#endif 5312 { 5313 error = EAFNOSUPPORT; 5314 break; 5315 } 5316 sctp_bindx_add_address(so, inp, addrs->addr, 5317 addrs->sget_assoc_id, vrf_id, 5318 &error, p); 5319 break; 5320 } 5321 case SCTP_BINDX_REM_ADDR: 5322 { 5323 struct sctp_getaddresses *addrs; 5324 size_t sz; 5325 struct thread *td; 5326 5327 td = (struct thread *)p; 5328 5329 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5330#ifdef INET 5331 if (addrs->addr->sa_family == AF_INET) { 5332 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5333 if (optsize < sz) { 5334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5335 error = EINVAL; 5336 break; 5337 } 5338 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5339 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5340 break; 5341 } 5342 } else 5343#endif 5344#ifdef INET6 5345 if (addrs->addr->sa_family == AF_INET6) { 5346 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5347 if (optsize < sz) { 5348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5349 error = EINVAL; 5350 break; 5351 } 5352 if (td != NULL && 5353 (error = prison_local_ip6(td->td_ucred, 5354 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5355 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5356 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5357 break; 5358 } 5359 } else 5360#endif 5361 { 5362 error = EAFNOSUPPORT; 5363 break; 5364 } 5365 sctp_bindx_delete_address(inp, addrs->addr, 5366 addrs->sget_assoc_id, vrf_id, 5367 &error); 5368 break; 5369 } 5370 case SCTP_EVENT: 5371 { 5372 struct sctp_event *event; 5373 uint32_t event_type; 5374 5375 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5376 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5377 switch (event->se_type) { 5378 case SCTP_ASSOC_CHANGE: 5379 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5380 break; 5381 case SCTP_PEER_ADDR_CHANGE: 5382 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5383 break; 5384 case SCTP_REMOTE_ERROR: 5385 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5386 break; 5387 case SCTP_SEND_FAILED: 5388 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5389 break; 5390 case SCTP_SHUTDOWN_EVENT: 5391 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5392 break; 5393 case SCTP_ADAPTATION_INDICATION: 5394 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5395 break; 5396 case SCTP_PARTIAL_DELIVERY_EVENT: 5397 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5398 break; 5399 case SCTP_AUTHENTICATION_EVENT: 5400 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5401 break; 5402 case SCTP_STREAM_RESET_EVENT: 5403 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5404 break; 5405 case SCTP_SENDER_DRY_EVENT: 5406 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5407 break; 5408 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5409 event_type = 0; 5410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5411 error = ENOTSUP; 5412 break; 5413 case SCTP_ASSOC_RESET_EVENT: 5414 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5415 break; 5416 case SCTP_STREAM_CHANGE_EVENT: 5417 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5418 break; 5419 default: 5420 event_type = 0; 5421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5422 error = EINVAL; 5423 break; 5424 } 5425 if (event_type > 0) { 5426 if (stcb) { 5427 if (event->se_on) { 5428 sctp_stcb_feature_on(inp, stcb, event_type); 5429 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5430 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5431 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5432 (stcb->asoc.stream_queue_cnt == 0)) { 5433 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5434 } 5435 } 5436 } else { 5437 sctp_stcb_feature_off(inp, stcb, event_type); 5438 } 5439 SCTP_TCB_UNLOCK(stcb); 5440 } else { 5441 /* 5442 * We don't want to send up a storm 5443 * of events, so return an error for 5444 * sender dry events 5445 */ 5446 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5447 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5448 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5449 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5450 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5452 error = ENOTSUP; 5453 break; 5454 } 5455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5457 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5458 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5459 SCTP_INP_WLOCK(inp); 5460 if (event->se_on) { 5461 sctp_feature_on(inp, event_type); 5462 } else { 5463 sctp_feature_off(inp, event_type); 5464 } 5465 SCTP_INP_WUNLOCK(inp); 5466 } 5467 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5468 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5469 SCTP_INP_RLOCK(inp); 5470 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5471 SCTP_TCB_LOCK(stcb); 5472 if (event->se_on) { 5473 sctp_stcb_feature_on(inp, stcb, event_type); 5474 } else { 5475 sctp_stcb_feature_off(inp, stcb, event_type); 5476 } 5477 SCTP_TCB_UNLOCK(stcb); 5478 } 5479 SCTP_INP_RUNLOCK(inp); 5480 } 5481 } 5482 } 5483 break; 5484 } 5485 case SCTP_RECVRCVINFO: 5486 { 5487 int *onoff; 5488 5489 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5490 SCTP_INP_WLOCK(inp); 5491 if (*onoff != 0) { 5492 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5493 } else { 5494 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5495 } 5496 SCTP_INP_WUNLOCK(inp); 5497 break; 5498 } 5499 case SCTP_RECVNXTINFO: 5500 { 5501 int *onoff; 5502 5503 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5504 SCTP_INP_WLOCK(inp); 5505 if (*onoff != 0) { 5506 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5507 } else { 5508 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5509 } 5510 SCTP_INP_WUNLOCK(inp); 5511 break; 5512 } 5513 case SCTP_DEFAULT_SNDINFO: 5514 { 5515 struct sctp_sndinfo *info; 5516 uint16_t policy; 5517 5518 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5519 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5520 5521 if (stcb) { 5522 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5523 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5524 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5525 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5526 stcb->asoc.def_send.sinfo_flags |= policy; 5527 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5528 stcb->asoc.def_send.sinfo_context = info->snd_context; 5529 } else { 5530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5531 error = EINVAL; 5532 } 5533 SCTP_TCB_UNLOCK(stcb); 5534 } else { 5535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5537 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5538 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5539 SCTP_INP_WLOCK(inp); 5540 inp->def_send.sinfo_stream = info->snd_sid; 5541 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5542 inp->def_send.sinfo_flags = info->snd_flags; 5543 inp->def_send.sinfo_flags |= policy; 5544 inp->def_send.sinfo_ppid = info->snd_ppid; 5545 inp->def_send.sinfo_context = info->snd_context; 5546 SCTP_INP_WUNLOCK(inp); 5547 } 5548 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5549 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5550 SCTP_INP_RLOCK(inp); 5551 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5552 SCTP_TCB_LOCK(stcb); 5553 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5554 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5555 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5556 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5557 stcb->asoc.def_send.sinfo_flags |= policy; 5558 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5559 stcb->asoc.def_send.sinfo_context = info->snd_context; 5560 } 5561 SCTP_TCB_UNLOCK(stcb); 5562 } 5563 SCTP_INP_RUNLOCK(inp); 5564 } 5565 } 5566 break; 5567 } 5568 case SCTP_DEFAULT_PRINFO: 5569 { 5570 struct sctp_default_prinfo *info; 5571 5572 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5573 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5574 5575 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5577 error = EINVAL; 5578 break; 5579 } 5580 if (stcb) { 5581 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5582 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5583 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5584 SCTP_TCB_UNLOCK(stcb); 5585 } else { 5586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5588 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5589 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5590 SCTP_INP_WLOCK(inp); 5591 inp->def_send.sinfo_flags &= 0xfff0; 5592 inp->def_send.sinfo_flags |= info->pr_policy; 5593 inp->def_send.sinfo_timetolive = info->pr_value; 5594 SCTP_INP_WUNLOCK(inp); 5595 } 5596 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5597 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5598 SCTP_INP_RLOCK(inp); 5599 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5600 SCTP_TCB_LOCK(stcb); 5601 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5602 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5603 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5604 SCTP_TCB_UNLOCK(stcb); 5605 } 5606 SCTP_INP_RUNLOCK(inp); 5607 } 5608 } 5609 break; 5610 } 5611 case SCTP_PEER_ADDR_THLDS: 5612 /* Applies to the specific association */ 5613 { 5614 struct sctp_paddrthlds *thlds; 5615 struct sctp_nets *net; 5616 5617 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5618 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5619 net = NULL; 5620 if (stcb) { 5621 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5622 } else { 5623 /* 5624 * We increment here since 5625 * sctp_findassociation_ep_addr() wil do a 5626 * decrement if it finds the stcb as long as 5627 * the locked tcb (last argument) is NOT a 5628 * TCB.. aka NULL. 5629 */ 5630 SCTP_INP_INCR_REF(inp); 5631 stcb = sctp_findassociation_ep_addr(&inp, 5632 (struct sockaddr *)&thlds->spt_assoc_id, 5633 &net, NULL, NULL); 5634 if (stcb == NULL) { 5635 SCTP_INP_DECR_REF(inp); 5636 } 5637 } 5638 if (stcb && (net == NULL)) { 5639 struct sockaddr *sa; 5640 5641 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5642#ifdef INET 5643 if (sa->sa_family == AF_INET) { 5644 5645 struct sockaddr_in *sin; 5646 5647 sin = (struct sockaddr_in *)sa; 5648 if (sin->sin_addr.s_addr) { 5649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5650 SCTP_TCB_UNLOCK(stcb); 5651 error = EINVAL; 5652 break; 5653 } 5654 } else 5655#endif 5656#ifdef INET6 5657 if (sa->sa_family == AF_INET6) { 5658 struct sockaddr_in6 *sin6; 5659 5660 sin6 = (struct sockaddr_in6 *)sa; 5661 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5663 SCTP_TCB_UNLOCK(stcb); 5664 error = EINVAL; 5665 break; 5666 } 5667 } else 5668#endif 5669 { 5670 error = EAFNOSUPPORT; 5671 SCTP_TCB_UNLOCK(stcb); 5672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5673 break; 5674 } 5675 } 5676 if (stcb) { 5677 if (net) { 5678 if (net->dest_state & SCTP_ADDR_PF) { 5679 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5680 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5681 net->dest_state &= ~SCTP_ADDR_PF; 5682 } 5683 } else { 5684 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5685 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5686 net->dest_state |= SCTP_ADDR_PF; 5687 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5688 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5689 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5690 } 5691 } 5692 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5693 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5694 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5695 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5696 } 5697 } else { 5698 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5699 net->dest_state |= SCTP_ADDR_REACHABLE; 5700 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5701 } 5702 } 5703 net->failure_threshold = thlds->spt_pathmaxrxt; 5704 net->pf_threshold = thlds->spt_pathpfthld; 5705 } else { 5706 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5707 if (net->dest_state & SCTP_ADDR_PF) { 5708 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5709 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5710 net->dest_state &= ~SCTP_ADDR_PF; 5711 } 5712 } else { 5713 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5714 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5715 net->dest_state |= SCTP_ADDR_PF; 5716 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5717 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5718 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5719 } 5720 } 5721 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5722 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5723 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5724 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5725 } 5726 } else { 5727 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5728 net->dest_state |= SCTP_ADDR_REACHABLE; 5729 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5730 } 5731 } 5732 net->failure_threshold = thlds->spt_pathmaxrxt; 5733 net->pf_threshold = thlds->spt_pathpfthld; 5734 } 5735 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5736 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5737 } 5738 } else { 5739 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5740 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5741 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5742 SCTP_INP_WLOCK(inp); 5743 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5744 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5745 SCTP_INP_WUNLOCK(inp); 5746 } else { 5747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5748 error = EINVAL; 5749 } 5750 } 5751 break; 5752 } 5753 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5754 { 5755 struct sctp_udpencaps *encaps; 5756 struct sctp_nets *net; 5757 5758 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5759 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5760 if (stcb) { 5761 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5762 } else { 5763 /* 5764 * We increment here since 5765 * sctp_findassociation_ep_addr() wil do a 5766 * decrement if it finds the stcb as long as 5767 * the locked tcb (last argument) is NOT a 5768 * TCB.. aka NULL. 5769 */ 5770 net = NULL; 5771 SCTP_INP_INCR_REF(inp); 5772 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5773 if (stcb == NULL) { 5774 SCTP_INP_DECR_REF(inp); 5775 } 5776 } 5777 if (stcb && (net == NULL)) { 5778 struct sockaddr *sa; 5779 5780 sa = (struct sockaddr *)&encaps->sue_address; 5781#ifdef INET 5782 if (sa->sa_family == AF_INET) { 5783 5784 struct sockaddr_in *sin; 5785 5786 sin = (struct sockaddr_in *)sa; 5787 if (sin->sin_addr.s_addr) { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 SCTP_TCB_UNLOCK(stcb); 5790 error = EINVAL; 5791 break; 5792 } 5793 } else 5794#endif 5795#ifdef INET6 5796 if (sa->sa_family == AF_INET6) { 5797 struct sockaddr_in6 *sin6; 5798 5799 sin6 = (struct sockaddr_in6 *)sa; 5800 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5802 SCTP_TCB_UNLOCK(stcb); 5803 error = EINVAL; 5804 break; 5805 } 5806 } else 5807#endif 5808 { 5809 error = EAFNOSUPPORT; 5810 SCTP_TCB_UNLOCK(stcb); 5811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5812 break; 5813 } 5814 } 5815 if (stcb) { 5816 if (net) { 5817 net->port = encaps->sue_port; 5818 } else { 5819 stcb->asoc.port = encaps->sue_port; 5820 } 5821 SCTP_TCB_UNLOCK(stcb); 5822 } else { 5823 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5824 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5825 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5826 SCTP_INP_WLOCK(inp); 5827 inp->sctp_ep.port = encaps->sue_port; 5828 SCTP_INP_WUNLOCK(inp); 5829 } else { 5830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5831 error = EINVAL; 5832 } 5833 } 5834 break; 5835 } 5836 default: 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5838 error = ENOPROTOOPT; 5839 break; 5840 } /* end switch (opt) */ 5841 return (error); 5842} 5843 5844int 5845sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5846{ 5847 void *optval = NULL; 5848 size_t optsize = 0; 5849 struct sctp_inpcb *inp; 5850 void *p; 5851 int error = 0; 5852 5853 if (sopt->sopt_level != IPPROTO_SCTP) { 5854 /* wrong proto level... send back up to IP */ 5855#ifdef INET6 5856 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5857 error = ip6_ctloutput(so, sopt); 5858#endif /* INET6 */ 5859#if defined(INET) && defined (INET6) 5860 else 5861#endif 5862#ifdef INET 5863 error = ip_ctloutput(so, sopt); 5864#endif 5865 return (error); 5866 } 5867 inp = (struct sctp_inpcb *)so->so_pcb; 5868 optsize = sopt->sopt_valsize; 5869 if (optsize) { 5870 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5871 if (optval == NULL) { 5872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5873 return (ENOBUFS); 5874 } 5875 error = sooptcopyin(sopt, optval, optsize, optsize); 5876 if (error) { 5877 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5878 goto out; 5879 } 5880 } 5881 p = (void *)sopt->sopt_td; 5882 if (sopt->sopt_dir == SOPT_SET) { 5883 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5884 } else if (sopt->sopt_dir == SOPT_GET) { 5885 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5886 } else { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 } 5890 if ((error == 0) && (optval != NULL)) { 5891 error = sooptcopyout(sopt, optval, optsize); 5892 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5893 } else if (optval != NULL) { 5894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5895 } 5896out: 5897 return (error); 5898} 5899 5900#ifdef INET 5901static int 5902sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5903{ 5904 int error = 0; 5905 int create_lock_on = 0; 5906 uint32_t vrf_id; 5907 struct sctp_inpcb *inp; 5908 struct sctp_tcb *stcb = NULL; 5909 5910 inp = (struct sctp_inpcb *)so->so_pcb; 5911 if (inp == NULL) { 5912 /* I made the same as TCP since we are not setup? */ 5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5914 return (ECONNRESET); 5915 } 5916 if (addr == NULL) { 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5918 return EINVAL; 5919 } 5920 switch (addr->sa_family) { 5921#ifdef INET6 5922 case AF_INET6: 5923 { 5924 struct sockaddr_in6 *sin6p; 5925 5926 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 return (EINVAL); 5929 } 5930 sin6p = (struct sockaddr_in6 *)addr; 5931 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5933 return (error); 5934 } 5935 break; 5936 } 5937#endif 5938#ifdef INET 5939 case AF_INET: 5940 { 5941 struct sockaddr_in *sinp; 5942 5943 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5945 return (EINVAL); 5946 } 5947 sinp = (struct sockaddr_in *)addr; 5948 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5950 return (error); 5951 } 5952 break; 5953 } 5954#endif 5955 default: 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5957 return (EAFNOSUPPORT); 5958 } 5959 SCTP_INP_INCR_REF(inp); 5960 SCTP_ASOC_CREATE_LOCK(inp); 5961 create_lock_on = 1; 5962 5963 5964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5965 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5966 /* Should I really unlock ? */ 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5968 error = EFAULT; 5969 goto out_now; 5970 } 5971#ifdef INET6 5972 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5973 (addr->sa_family == AF_INET6)) { 5974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5975 error = EINVAL; 5976 goto out_now; 5977 } 5978#endif /* INET6 */ 5979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5980 SCTP_PCB_FLAGS_UNBOUND) { 5981 /* Bind a ephemeral port */ 5982 error = sctp_inpcb_bind(so, NULL, NULL, p); 5983 if (error) { 5984 goto out_now; 5985 } 5986 } 5987 /* Now do we connect? */ 5988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5989 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5991 error = EINVAL; 5992 goto out_now; 5993 } 5994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5995 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5996 /* We are already connected AND the TCP model */ 5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5998 error = EADDRINUSE; 5999 goto out_now; 6000 } 6001 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6002 SCTP_INP_RLOCK(inp); 6003 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6004 SCTP_INP_RUNLOCK(inp); 6005 } else { 6006 /* 6007 * We increment here since sctp_findassociation_ep_addr() 6008 * will do a decrement if it finds the stcb as long as the 6009 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6010 */ 6011 SCTP_INP_INCR_REF(inp); 6012 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6013 if (stcb == NULL) { 6014 SCTP_INP_DECR_REF(inp); 6015 } else { 6016 SCTP_TCB_UNLOCK(stcb); 6017 } 6018 } 6019 if (stcb != NULL) { 6020 /* Already have or am bring up an association */ 6021 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6022 error = EALREADY; 6023 goto out_now; 6024 } 6025 vrf_id = inp->def_vrf_id; 6026 /* We are GOOD to go */ 6027 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6028 if (stcb == NULL) { 6029 /* Gak! no memory */ 6030 goto out_now; 6031 } 6032 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6033 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6034 /* Set the connected flag so we can queue data */ 6035 soisconnecting(so); 6036 } 6037 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6038 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6039 6040 /* initialize authentication parameters for the assoc */ 6041 sctp_initialize_auth_params(inp, stcb); 6042 6043 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6044 SCTP_TCB_UNLOCK(stcb); 6045out_now: 6046 if (create_lock_on) { 6047 SCTP_ASOC_CREATE_UNLOCK(inp); 6048 } 6049 SCTP_INP_DECR_REF(inp); 6050 return (error); 6051} 6052 6053#endif 6054 6055int 6056sctp_listen(struct socket *so, int backlog, struct thread *p) 6057{ 6058 /* 6059 * Note this module depends on the protocol processing being called 6060 * AFTER any socket level flags and backlog are applied to the 6061 * socket. The traditional way that the socket flags are applied is 6062 * AFTER protocol processing. We have made a change to the 6063 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6064 * place if the socket API for SCTP is to work properly. 6065 */ 6066 6067 int error = 0; 6068 struct sctp_inpcb *inp; 6069 6070 inp = (struct sctp_inpcb *)so->so_pcb; 6071 if (inp == NULL) { 6072 /* I made the same as TCP since we are not setup? */ 6073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6074 return (ECONNRESET); 6075 } 6076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6077 /* See if we have a listener */ 6078 struct sctp_inpcb *tinp; 6079 union sctp_sockstore store, *sp; 6080 6081 sp = &store; 6082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6083 /* not bound all */ 6084 struct sctp_laddr *laddr; 6085 6086 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6087 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6088 switch (sp->sa.sa_family) { 6089#ifdef INET 6090 case AF_INET: 6091 sp->sin.sin_port = inp->sctp_lport; 6092 break; 6093#endif 6094#ifdef INET6 6095 case AF_INET6: 6096 sp->sin6.sin6_port = inp->sctp_lport; 6097 break; 6098#endif 6099 default: 6100 break; 6101 } 6102 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6103 if (tinp && (tinp != inp) && 6104 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6105 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6106 (tinp->sctp_socket->so_qlimit)) { 6107 /* 6108 * we have a listener already and 6109 * its not this inp. 6110 */ 6111 SCTP_INP_DECR_REF(tinp); 6112 return (EADDRINUSE); 6113 } else if (tinp) { 6114 SCTP_INP_DECR_REF(tinp); 6115 } 6116 } 6117 } else { 6118 /* Setup a local addr bound all */ 6119 memset(&store, 0, sizeof(store)); 6120 switch (sp->sa.sa_family) { 6121#ifdef INET 6122 case AF_INET: 6123 store.sin.sin_port = inp->sctp_lport; 6124 break; 6125#endif 6126#ifdef INET6 6127 case AF_INET6: 6128 sp->sin6.sin6_port = inp->sctp_lport; 6129 break; 6130#endif 6131 default: 6132 break; 6133 } 6134#ifdef INET6 6135 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6136 store.sa.sa_family = AF_INET6; 6137 store.sa.sa_len = sizeof(struct sockaddr_in6); 6138 } 6139#endif 6140#ifdef INET 6141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6142 store.sa.sa_family = AF_INET; 6143 store.sa.sa_len = sizeof(struct sockaddr_in); 6144 } 6145#endif 6146 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6147 if (tinp && (tinp != inp) && 6148 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6149 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6150 (tinp->sctp_socket->so_qlimit)) { 6151 /* 6152 * we have a listener already and its not 6153 * this inp. 6154 */ 6155 SCTP_INP_DECR_REF(tinp); 6156 return (EADDRINUSE); 6157 } else if (tinp) { 6158 SCTP_INP_DECR_REF(inp); 6159 } 6160 } 6161 } 6162 SCTP_INP_RLOCK(inp); 6163#ifdef SCTP_LOCK_LOGGING 6164 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6165 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6166 } 6167#endif 6168 SOCK_LOCK(so); 6169 error = solisten_proto_check(so); 6170 if (error) { 6171 SOCK_UNLOCK(so); 6172 SCTP_INP_RUNLOCK(inp); 6173 return (error); 6174 } 6175 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6176 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6177 /* 6178 * The unlucky case - We are in the tcp pool with this guy. 6179 * - Someone else is in the main inp slot. - We must move 6180 * this guy (the listener) to the main slot - We must then 6181 * move the guy that was listener to the TCP Pool. 6182 */ 6183 if (sctp_swap_inpcb_for_listen(inp)) { 6184 goto in_use; 6185 } 6186 } 6187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6188 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6189 /* We are already connected AND the TCP model */ 6190in_use: 6191 SCTP_INP_RUNLOCK(inp); 6192 SOCK_UNLOCK(so); 6193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6194 return (EADDRINUSE); 6195 } 6196 SCTP_INP_RUNLOCK(inp); 6197 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6198 /* We must do a bind. */ 6199 SOCK_UNLOCK(so); 6200 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6201 /* bind error, probably perm */ 6202 return (error); 6203 } 6204 SOCK_LOCK(so); 6205 } 6206 /* It appears for 7.0 and on, we must always call this. */ 6207 solisten_proto(so, backlog); 6208 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6209 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6210 so->so_options &= ~SO_ACCEPTCONN; 6211 } 6212 if (backlog == 0) { 6213 /* turning off listen */ 6214 so->so_options &= ~SO_ACCEPTCONN; 6215 } 6216 SOCK_UNLOCK(so); 6217 return (error); 6218} 6219 6220static int sctp_defered_wakeup_cnt = 0; 6221 6222int 6223sctp_accept(struct socket *so, struct sockaddr **addr) 6224{ 6225 struct sctp_tcb *stcb; 6226 struct sctp_inpcb *inp; 6227 union sctp_sockstore store; 6228 6229#ifdef INET6 6230 int error; 6231 6232#endif 6233 inp = (struct sctp_inpcb *)so->so_pcb; 6234 6235 if (inp == NULL) { 6236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6237 return (ECONNRESET); 6238 } 6239 SCTP_INP_RLOCK(inp); 6240 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6241 SCTP_INP_RUNLOCK(inp); 6242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6243 return (EOPNOTSUPP); 6244 } 6245 if (so->so_state & SS_ISDISCONNECTED) { 6246 SCTP_INP_RUNLOCK(inp); 6247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6248 return (ECONNABORTED); 6249 } 6250 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6251 if (stcb == NULL) { 6252 SCTP_INP_RUNLOCK(inp); 6253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6254 return (ECONNRESET); 6255 } 6256 SCTP_TCB_LOCK(stcb); 6257 SCTP_INP_RUNLOCK(inp); 6258 store = stcb->asoc.primary_destination->ro._l_addr; 6259 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6260 SCTP_TCB_UNLOCK(stcb); 6261 switch (store.sa.sa_family) { 6262#ifdef INET 6263 case AF_INET: 6264 { 6265 struct sockaddr_in *sin; 6266 6267 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6268 if (sin == NULL) 6269 return (ENOMEM); 6270 sin->sin_family = AF_INET; 6271 sin->sin_len = sizeof(*sin); 6272 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6273 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6274 *addr = (struct sockaddr *)sin; 6275 break; 6276 } 6277#endif 6278#ifdef INET6 6279 case AF_INET6: 6280 { 6281 struct sockaddr_in6 *sin6; 6282 6283 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6284 if (sin6 == NULL) 6285 return (ENOMEM); 6286 sin6->sin6_family = AF_INET6; 6287 sin6->sin6_len = sizeof(*sin6); 6288 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6289 6290 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6291 if ((error = sa6_recoverscope(sin6)) != 0) { 6292 SCTP_FREE_SONAME(sin6); 6293 return (error); 6294 } 6295 *addr = (struct sockaddr *)sin6; 6296 break; 6297 } 6298#endif 6299 default: 6300 /* TSNH */ 6301 break; 6302 } 6303 /* Wake any delayed sleep action */ 6304 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6305 SCTP_INP_WLOCK(inp); 6306 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6307 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6308 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6309 SCTP_INP_WUNLOCK(inp); 6310 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6311 if (sowriteable(inp->sctp_socket)) { 6312 sowwakeup_locked(inp->sctp_socket); 6313 } else { 6314 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6315 } 6316 SCTP_INP_WLOCK(inp); 6317 } 6318 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6319 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6320 SCTP_INP_WUNLOCK(inp); 6321 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6322 if (soreadable(inp->sctp_socket)) { 6323 sctp_defered_wakeup_cnt++; 6324 sorwakeup_locked(inp->sctp_socket); 6325 } else { 6326 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6327 } 6328 SCTP_INP_WLOCK(inp); 6329 } 6330 SCTP_INP_WUNLOCK(inp); 6331 } 6332 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6333 SCTP_TCB_LOCK(stcb); 6334 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6335 } 6336 return (0); 6337} 6338 6339#ifdef INET 6340int 6341sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6342{ 6343 struct sockaddr_in *sin; 6344 uint32_t vrf_id; 6345 struct sctp_inpcb *inp; 6346 struct sctp_ifa *sctp_ifa; 6347 6348 /* 6349 * Do the malloc first in case it blocks. 6350 */ 6351 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6352 if (sin == NULL) 6353 return (ENOMEM); 6354 sin->sin_family = AF_INET; 6355 sin->sin_len = sizeof(*sin); 6356 inp = (struct sctp_inpcb *)so->so_pcb; 6357 if (!inp) { 6358 SCTP_FREE_SONAME(sin); 6359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6360 return (ECONNRESET); 6361 } 6362 SCTP_INP_RLOCK(inp); 6363 sin->sin_port = inp->sctp_lport; 6364 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6365 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6366 struct sctp_tcb *stcb; 6367 struct sockaddr_in *sin_a; 6368 struct sctp_nets *net; 6369 int fnd; 6370 6371 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6372 if (stcb == NULL) { 6373 goto notConn; 6374 } 6375 fnd = 0; 6376 sin_a = NULL; 6377 SCTP_TCB_LOCK(stcb); 6378 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6379 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6380 if (sin_a == NULL) 6381 /* this will make coverity happy */ 6382 continue; 6383 6384 if (sin_a->sin_family == AF_INET) { 6385 fnd = 1; 6386 break; 6387 } 6388 } 6389 if ((!fnd) || (sin_a == NULL)) { 6390 /* punt */ 6391 SCTP_TCB_UNLOCK(stcb); 6392 goto notConn; 6393 } 6394 vrf_id = inp->def_vrf_id; 6395 sctp_ifa = sctp_source_address_selection(inp, 6396 stcb, 6397 (sctp_route_t *) & net->ro, 6398 net, 0, vrf_id); 6399 if (sctp_ifa) { 6400 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6401 sctp_free_ifa(sctp_ifa); 6402 } 6403 SCTP_TCB_UNLOCK(stcb); 6404 } else { 6405 /* For the bound all case you get back 0 */ 6406 notConn: 6407 sin->sin_addr.s_addr = 0; 6408 } 6409 6410 } else { 6411 /* Take the first IPv4 address in the list */ 6412 struct sctp_laddr *laddr; 6413 int fnd = 0; 6414 6415 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6416 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6417 struct sockaddr_in *sin_a; 6418 6419 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6420 sin->sin_addr = sin_a->sin_addr; 6421 fnd = 1; 6422 break; 6423 } 6424 } 6425 if (!fnd) { 6426 SCTP_FREE_SONAME(sin); 6427 SCTP_INP_RUNLOCK(inp); 6428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6429 return (ENOENT); 6430 } 6431 } 6432 SCTP_INP_RUNLOCK(inp); 6433 (*addr) = (struct sockaddr *)sin; 6434 return (0); 6435} 6436 6437int 6438sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6439{ 6440 struct sockaddr_in *sin; 6441 int fnd; 6442 struct sockaddr_in *sin_a; 6443 struct sctp_inpcb *inp; 6444 struct sctp_tcb *stcb; 6445 struct sctp_nets *net; 6446 6447 /* Do the malloc first in case it blocks. */ 6448 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6449 if (sin == NULL) 6450 return (ENOMEM); 6451 sin->sin_family = AF_INET; 6452 sin->sin_len = sizeof(*sin); 6453 6454 inp = (struct sctp_inpcb *)so->so_pcb; 6455 if ((inp == NULL) || 6456 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6457 /* UDP type and listeners will drop out here */ 6458 SCTP_FREE_SONAME(sin); 6459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6460 return (ENOTCONN); 6461 } 6462 SCTP_INP_RLOCK(inp); 6463 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6464 if (stcb) { 6465 SCTP_TCB_LOCK(stcb); 6466 } 6467 SCTP_INP_RUNLOCK(inp); 6468 if (stcb == NULL) { 6469 SCTP_FREE_SONAME(sin); 6470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6471 return (ECONNRESET); 6472 } 6473 fnd = 0; 6474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6475 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6476 if (sin_a->sin_family == AF_INET) { 6477 fnd = 1; 6478 sin->sin_port = stcb->rport; 6479 sin->sin_addr = sin_a->sin_addr; 6480 break; 6481 } 6482 } 6483 SCTP_TCB_UNLOCK(stcb); 6484 if (!fnd) { 6485 /* No IPv4 address */ 6486 SCTP_FREE_SONAME(sin); 6487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6488 return (ENOENT); 6489 } 6490 (*addr) = (struct sockaddr *)sin; 6491 return (0); 6492} 6493 6494#ifdef INET 6495struct pr_usrreqs sctp_usrreqs = { 6496 .pru_abort = sctp_abort, 6497 .pru_accept = sctp_accept, 6498 .pru_attach = sctp_attach, 6499 .pru_bind = sctp_bind, 6500 .pru_connect = sctp_connect, 6501 .pru_control = in_control, 6502 .pru_close = sctp_close, 6503 .pru_detach = sctp_close, 6504 .pru_sopoll = sopoll_generic, 6505 .pru_flush = sctp_flush, 6506 .pru_disconnect = sctp_disconnect, 6507 .pru_listen = sctp_listen, 6508 .pru_peeraddr = sctp_peeraddr, 6509 .pru_send = sctp_sendm, 6510 .pru_shutdown = sctp_shutdown, 6511 .pru_sockaddr = sctp_ingetaddr, 6512 .pru_sosend = sctp_sosend, 6513 .pru_soreceive = sctp_soreceive 6514}; 6515 6516#endif 6517#endif 6518