sctp_usrreq.c revision 283733
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 283733 2015-05-29 13:20:39Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143} 144 145#ifdef INET 146static void 147sctp_notify_mbuf(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 struct ip *ip, 151 struct sctphdr *sh) 152{ 153 struct icmp *icmph; 154 int totsz, tmr_stopped = 0; 155 uint16_t nxtsz; 156 157 /* protection */ 158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 159 (ip == NULL) || (sh == NULL)) { 160 if (stcb != NULL) { 161 SCTP_TCB_UNLOCK(stcb); 162 } 163 return; 164 } 165 /* First job is to verify the vtag matches what I would send */ 166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 167 SCTP_TCB_UNLOCK(stcb); 168 return; 169 } 170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 171 sizeof(struct ip))); 172 if (icmph->icmp_type != ICMP_UNREACH) { 173 /* We only care about unreachable */ 174 SCTP_TCB_UNLOCK(stcb); 175 return; 176 } 177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 178 /* not a unreachable message due to frag. */ 179 SCTP_TCB_UNLOCK(stcb); 180 return; 181 } 182 totsz = ntohs(ip->ip_len); 183 184 nxtsz = ntohs(icmph->icmp_nextmtu); 185 if (nxtsz == 0) { 186 /* 187 * old type router that does not tell us what the next size 188 * mtu is. Rats we will have to guess (in a educated fashion 189 * of course) 190 */ 191 nxtsz = sctp_get_prev_mtu(totsz); 192 } 193 /* Stop any PMTU timer */ 194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 195 tmr_stopped = 1; 196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 198 } 199 /* Adjust destination size limit */ 200 if (net->mtu > nxtsz) { 201 net->mtu = nxtsz; 202 if (net->port) { 203 net->mtu -= sizeof(struct udphdr); 204 } 205 } 206 /* now what about the ep? */ 207 if (stcb->asoc.smallest_mtu > nxtsz) { 208 sctp_pathmtu_adjustment(stcb, nxtsz); 209 } 210 if (tmr_stopped) 211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 212 213 SCTP_TCB_UNLOCK(stcb); 214} 215 216void 217sctp_notify(struct sctp_inpcb *inp, 218 struct ip *ip, 219 struct sctphdr *sh, 220 struct sockaddr *to, 221 struct sctp_tcb *stcb, 222 struct sctp_nets *net) 223{ 224#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 225 struct socket *so; 226 227#endif 228 struct icmp *icmph; 229 230 /* protection */ 231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 232 (sh == NULL) || (to == NULL)) { 233 if (stcb) 234 SCTP_TCB_UNLOCK(stcb); 235 return; 236 } 237 /* First job is to verify the vtag matches what I would send */ 238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 239 SCTP_TCB_UNLOCK(stcb); 240 return; 241 } 242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 243 sizeof(struct ip))); 244 if (icmph->icmp_type != ICMP_UNREACH) { 245 /* We only care about unreachable */ 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 250 (icmph->icmp_code == ICMP_UNREACH_HOST) || 251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 257 258 /* 259 * Hmm reachablity problems we must examine closely. If its 260 * not reachable, we may have lost a network. Or if there is 261 * NO protocol at the other end named SCTP. well we consider 262 * it a OOTB abort. 263 */ 264 if (net->dest_state & SCTP_ADDR_REACHABLE) { 265 /* Ok that destination is NOT reachable */ 266 net->dest_state &= ~SCTP_ADDR_REACHABLE; 267 net->dest_state &= ~SCTP_ADDR_PF; 268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 269 stcb, 0, 270 (void *)net, SCTP_SO_NOT_LOCKED); 271 } 272 SCTP_TCB_UNLOCK(stcb); 273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 274 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 275 /* 276 * Here the peer is either playing tricks on us, including 277 * an address that belongs to someone who does not support 278 * SCTP OR was a userland implementation that shutdown and 279 * now is dead. In either case treat it like a OOTB abort 280 * with no TCB 281 */ 282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 283#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 284 so = SCTP_INP_SO(inp); 285 atomic_add_int(&stcb->asoc.refcnt, 1); 286 SCTP_TCB_UNLOCK(stcb); 287 SCTP_SOCKET_LOCK(so, 1); 288 SCTP_TCB_LOCK(stcb); 289 atomic_subtract_int(&stcb->asoc.refcnt, 1); 290#endif 291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 292#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 293 SCTP_SOCKET_UNLOCK(so, 1); 294 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 295#endif 296 /* no need to unlock here, since the TCB is gone */ 297 } else { 298 SCTP_TCB_UNLOCK(stcb); 299 } 300} 301 302#endif 303 304#ifdef INET 305void 306sctp_ctlinput(cmd, sa, vip) 307 int cmd; 308 struct sockaddr *sa; 309 void *vip; 310{ 311 struct ip *ip = vip; 312 struct sctphdr *sh; 313 uint32_t vrf_id; 314 315 /* FIX, for non-bsd is this right? */ 316 vrf_id = SCTP_DEFAULT_VRFID; 317 if (sa->sa_family != AF_INET || 318 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 319 return; 320 } 321 if (PRC_IS_REDIRECT(cmd)) { 322 ip = 0; 323 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 324 return; 325 } 326 if (ip) { 327 struct sctp_inpcb *inp = NULL; 328 struct sctp_tcb *stcb = NULL; 329 struct sctp_nets *net = NULL; 330 struct sockaddr_in to, from; 331 332 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 333 bzero(&to, sizeof(to)); 334 bzero(&from, sizeof(from)); 335 from.sin_family = to.sin_family = AF_INET; 336 from.sin_len = to.sin_len = sizeof(to); 337 from.sin_port = sh->src_port; 338 from.sin_addr = ip->ip_src; 339 to.sin_port = sh->dest_port; 340 to.sin_addr = ip->ip_dst; 341 342 /* 343 * 'to' holds the dest of the packet that failed to be sent. 344 * 'from' holds our local endpoint address. Thus we reverse 345 * the to and the from in the lookup. 346 */ 347 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 348 (struct sockaddr *)&from, 349 &inp, &net, 1, vrf_id); 350 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 351 if (cmd != PRC_MSGSIZE) { 352 sctp_notify(inp, ip, sh, 353 (struct sockaddr *)&to, stcb, 354 net); 355 } else { 356 /* handle possible ICMP size messages */ 357 sctp_notify_mbuf(inp, stcb, net, ip, sh); 358 } 359 } else { 360 if ((stcb == NULL) && (inp != NULL)) { 361 /* reduce ref-count */ 362 SCTP_INP_WLOCK(inp); 363 SCTP_INP_DECR_REF(inp); 364 SCTP_INP_WUNLOCK(inp); 365 } 366 if (stcb) { 367 SCTP_TCB_UNLOCK(stcb); 368 } 369 } 370 } 371 return; 372} 373 374#endif 375 376static int 377sctp_getcred(SYSCTL_HANDLER_ARGS) 378{ 379 struct xucred xuc; 380 struct sockaddr_in addrs[2]; 381 struct sctp_inpcb *inp; 382 struct sctp_nets *net; 383 struct sctp_tcb *stcb; 384 int error; 385 uint32_t vrf_id; 386 387 /* FIX, for non-bsd is this right? */ 388 vrf_id = SCTP_DEFAULT_VRFID; 389 390 error = priv_check(req->td, PRIV_NETINET_GETCRED); 391 392 if (error) 393 return (error); 394 395 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 396 if (error) 397 return (error); 398 399 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 400 sintosa(&addrs[0]), 401 &inp, &net, 1, vrf_id); 402 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 403 if ((inp != NULL) && (stcb == NULL)) { 404 /* reduce ref-count */ 405 SCTP_INP_WLOCK(inp); 406 SCTP_INP_DECR_REF(inp); 407 goto cred_can_cont; 408 } 409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 410 error = ENOENT; 411 goto out; 412 } 413 SCTP_TCB_UNLOCK(stcb); 414 /* 415 * We use the write lock here, only since in the error leg we need 416 * it. If we used RLOCK, then we would have to 417 * wlock/decr/unlock/rlock. Which in theory could create a hole. 418 * Better to use higher wlock. 419 */ 420 SCTP_INP_WLOCK(inp); 421cred_can_cont: 422 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 423 if (error) { 424 SCTP_INP_WUNLOCK(inp); 425 goto out; 426 } 427 cru2x(inp->sctp_socket->so_cred, &xuc); 428 SCTP_INP_WUNLOCK(inp); 429 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 430out: 431 return (error); 432} 433 434SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 435 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 436 437 438#ifdef INET 439static void 440sctp_abort(struct socket *so) 441{ 442 struct sctp_inpcb *inp; 443 uint32_t flags; 444 445 inp = (struct sctp_inpcb *)so->so_pcb; 446 if (inp == NULL) { 447 return; 448 } 449sctp_must_try_again: 450 flags = inp->sctp_flags; 451#ifdef SCTP_LOG_CLOSING 452 sctp_log_closing(inp, NULL, 17); 453#endif 454 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 455 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 456#ifdef SCTP_LOG_CLOSING 457 sctp_log_closing(inp, NULL, 16); 458#endif 459 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 460 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 461 SOCK_LOCK(so); 462 SCTP_SB_CLEAR(so->so_snd); 463 /* 464 * same for the rcv ones, they are only here for the 465 * accounting/select. 466 */ 467 SCTP_SB_CLEAR(so->so_rcv); 468 469 /* Now null out the reference, we are completely detached. */ 470 so->so_pcb = NULL; 471 SOCK_UNLOCK(so); 472 } else { 473 flags = inp->sctp_flags; 474 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 475 goto sctp_must_try_again; 476 } 477 } 478 return; 479} 480 481static int 482sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 483{ 484 struct sctp_inpcb *inp; 485 struct inpcb *ip_inp; 486 int error; 487 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 488 489#ifdef IPSEC 490 uint32_t flags; 491 492#endif 493 494 inp = (struct sctp_inpcb *)so->so_pcb; 495 if (inp != 0) { 496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 497 return (EINVAL); 498 } 499 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 500 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 501 if (error) { 502 return (error); 503 } 504 } 505 error = sctp_inpcb_alloc(so, vrf_id); 506 if (error) { 507 return (error); 508 } 509 inp = (struct sctp_inpcb *)so->so_pcb; 510 SCTP_INP_WLOCK(inp); 511 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 512 ip_inp = &inp->ip_inp.inp; 513 ip_inp->inp_vflag |= INP_IPV4; 514 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 515#ifdef IPSEC 516 error = ipsec_init_policy(so, &ip_inp->inp_sp); 517#ifdef SCTP_LOG_CLOSING 518 sctp_log_closing(inp, NULL, 17); 519#endif 520 if (error != 0) { 521try_again: 522 flags = inp->sctp_flags; 523 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 524 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 525#ifdef SCTP_LOG_CLOSING 526 sctp_log_closing(inp, NULL, 15); 527#endif 528 SCTP_INP_WUNLOCK(inp); 529 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 530 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 531 } else { 532 flags = inp->sctp_flags; 533 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 534 goto try_again; 535 } else { 536 SCTP_INP_WUNLOCK(inp); 537 } 538 } 539 return (error); 540 } 541#endif /* IPSEC */ 542 SCTP_INP_WUNLOCK(inp); 543 return (0); 544} 545 546static int 547sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 548{ 549 struct sctp_inpcb *inp; 550 551 inp = (struct sctp_inpcb *)so->so_pcb; 552 if (inp == NULL) { 553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 554 return (EINVAL); 555 } 556 if (addr != NULL) { 557 if ((addr->sa_family != AF_INET) || 558 (addr->sa_len != sizeof(struct sockaddr_in))) { 559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 560 return (EINVAL); 561 } 562 } 563 return (sctp_inpcb_bind(so, addr, NULL, p)); 564} 565 566#endif 567void 568sctp_close(struct socket *so) 569{ 570 struct sctp_inpcb *inp; 571 uint32_t flags; 572 573 inp = (struct sctp_inpcb *)so->so_pcb; 574 if (inp == NULL) 575 return; 576 577 /* 578 * Inform all the lower layer assoc that we are done. 579 */ 580sctp_must_try_again: 581 flags = inp->sctp_flags; 582#ifdef SCTP_LOG_CLOSING 583 sctp_log_closing(inp, NULL, 17); 584#endif 585 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 586 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 587 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 588 (so->so_rcv.sb_cc > 0)) { 589#ifdef SCTP_LOG_CLOSING 590 sctp_log_closing(inp, NULL, 13); 591#endif 592 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 593 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 594 } else { 595#ifdef SCTP_LOG_CLOSING 596 sctp_log_closing(inp, NULL, 14); 597#endif 598 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 599 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 600 } 601 /* 602 * The socket is now detached, no matter what the state of 603 * the SCTP association. 604 */ 605 SOCK_LOCK(so); 606 SCTP_SB_CLEAR(so->so_snd); 607 /* 608 * same for the rcv ones, they are only here for the 609 * accounting/select. 610 */ 611 SCTP_SB_CLEAR(so->so_rcv); 612 613 /* Now null out the reference, we are completely detached. */ 614 so->so_pcb = NULL; 615 SOCK_UNLOCK(so); 616 } else { 617 flags = inp->sctp_flags; 618 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 619 goto sctp_must_try_again; 620 } 621 } 622 return; 623} 624 625 626int 627sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 628 struct mbuf *control, struct thread *p); 629 630 631int 632sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 633 struct mbuf *control, struct thread *p) 634{ 635 struct sctp_inpcb *inp; 636 int error; 637 638 inp = (struct sctp_inpcb *)so->so_pcb; 639 if (inp == NULL) { 640 if (control) { 641 sctp_m_freem(control); 642 control = NULL; 643 } 644 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 645 sctp_m_freem(m); 646 return (EINVAL); 647 } 648 /* Got to have an to address if we are NOT a connected socket */ 649 if ((addr == NULL) && 650 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 651 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 652 goto connected_type; 653 } else if (addr == NULL) { 654 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 655 error = EDESTADDRREQ; 656 sctp_m_freem(m); 657 if (control) { 658 sctp_m_freem(control); 659 control = NULL; 660 } 661 return (error); 662 } 663#ifdef INET6 664 if (addr->sa_family != AF_INET) { 665 /* must be a v4 address! */ 666 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 667 sctp_m_freem(m); 668 if (control) { 669 sctp_m_freem(control); 670 control = NULL; 671 } 672 error = EDESTADDRREQ; 673 return (error); 674 } 675#endif /* INET6 */ 676connected_type: 677 /* now what about control */ 678 if (control) { 679 if (inp->control) { 680 SCTP_PRINTF("huh? control set?\n"); 681 sctp_m_freem(inp->control); 682 inp->control = NULL; 683 } 684 inp->control = control; 685 } 686 /* Place the data */ 687 if (inp->pkt) { 688 SCTP_BUF_NEXT(inp->pkt_last) = m; 689 inp->pkt_last = m; 690 } else { 691 inp->pkt_last = inp->pkt = m; 692 } 693 if ( 694 /* FreeBSD uses a flag passed */ 695 ((flags & PRUS_MORETOCOME) == 0) 696 ) { 697 /* 698 * note with the current version this code will only be used 699 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 700 * re-defining sosend to use the sctp_sosend. One can 701 * optionally switch back to this code (by changing back the 702 * definitions) but this is not advisable. This code is used 703 * by FreeBSD when sending a file with sendfile() though. 704 */ 705 int ret; 706 707 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 708 inp->pkt = NULL; 709 inp->control = NULL; 710 return (ret); 711 } else { 712 return (0); 713 } 714} 715 716int 717sctp_disconnect(struct socket *so) 718{ 719 struct sctp_inpcb *inp; 720 721 inp = (struct sctp_inpcb *)so->so_pcb; 722 if (inp == NULL) { 723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 724 return (ENOTCONN); 725 } 726 SCTP_INP_RLOCK(inp); 727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 729 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 730 /* No connection */ 731 SCTP_INP_RUNLOCK(inp); 732 return (0); 733 } else { 734 struct sctp_association *asoc; 735 struct sctp_tcb *stcb; 736 737 stcb = LIST_FIRST(&inp->sctp_asoc_list); 738 if (stcb == NULL) { 739 SCTP_INP_RUNLOCK(inp); 740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 741 return (EINVAL); 742 } 743 SCTP_TCB_LOCK(stcb); 744 asoc = &stcb->asoc; 745 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 746 /* We are about to be freed, out of here */ 747 SCTP_TCB_UNLOCK(stcb); 748 SCTP_INP_RUNLOCK(inp); 749 return (0); 750 } 751 if (((so->so_options & SO_LINGER) && 752 (so->so_linger == 0)) || 753 (so->so_rcv.sb_cc > 0)) { 754 if (SCTP_GET_STATE(asoc) != 755 SCTP_STATE_COOKIE_WAIT) { 756 /* Left with Data unread */ 757 struct mbuf *err; 758 759 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 760 if (err) { 761 /* 762 * Fill in the user 763 * initiated abort 764 */ 765 struct sctp_paramhdr *ph; 766 767 ph = mtod(err, struct sctp_paramhdr *); 768 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 769 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 770 ph->param_length = htons(SCTP_BUF_LEN(err)); 771 } 772 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 773 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 774 } 775 SCTP_INP_RUNLOCK(inp); 776 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 777 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 778 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 779 } 780 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 781 /* No unlock tcb assoc is gone */ 782 return (0); 783 } 784 if (TAILQ_EMPTY(&asoc->send_queue) && 785 TAILQ_EMPTY(&asoc->sent_queue) && 786 (asoc->stream_queue_cnt == 0)) { 787 /* there is nothing queued to send, so done */ 788 if (asoc->locked_on_sending) { 789 goto abort_anyway; 790 } 791 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 792 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 793 /* only send SHUTDOWN 1st time thru */ 794 struct sctp_nets *netp; 795 796 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 797 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 798 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 799 } 800 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 801 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 802 sctp_stop_timers_for_shutdown(stcb); 803 if (stcb->asoc.alternate) { 804 netp = stcb->asoc.alternate; 805 } else { 806 netp = stcb->asoc.primary_destination; 807 } 808 sctp_send_shutdown(stcb, netp); 809 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 810 stcb->sctp_ep, stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 812 stcb->sctp_ep, stcb, netp); 813 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 814 } 815 } else { 816 /* 817 * we still got (or just got) data to send, 818 * so set SHUTDOWN_PENDING 819 */ 820 /* 821 * XXX sockets draft says that SCTP_EOF 822 * should be sent with no data. currently, 823 * we will allow user data to be sent first 824 * and move to SHUTDOWN-PENDING 825 */ 826 struct sctp_nets *netp; 827 828 if (stcb->asoc.alternate) { 829 netp = stcb->asoc.alternate; 830 } else { 831 netp = stcb->asoc.primary_destination; 832 } 833 834 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 835 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 836 netp); 837 if (asoc->locked_on_sending) { 838 /* Locked to send out the data */ 839 struct sctp_stream_queue_pending *sp; 840 841 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 842 if (sp == NULL) { 843 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 844 asoc->locked_on_sending->stream_no); 845 } else { 846 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 847 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 848 } 849 } 850 if (TAILQ_EMPTY(&asoc->send_queue) && 851 TAILQ_EMPTY(&asoc->sent_queue) && 852 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 853 struct mbuf *op_err; 854 855 abort_anyway: 856 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 857 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 858 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 859 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 860 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 861 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 862 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 863 } 864 SCTP_INP_RUNLOCK(inp); 865 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 866 return (0); 867 } else { 868 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 869 } 870 } 871 soisdisconnecting(so); 872 SCTP_TCB_UNLOCK(stcb); 873 SCTP_INP_RUNLOCK(inp); 874 return (0); 875 } 876 /* not reached */ 877 } else { 878 /* UDP model does not support this */ 879 SCTP_INP_RUNLOCK(inp); 880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 881 return (EOPNOTSUPP); 882 } 883} 884 885int 886sctp_flush(struct socket *so, int how) 887{ 888 /* 889 * We will just clear out the values and let subsequent close clear 890 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 891 * they will not be able to read the data, the socket will block 892 * that from happening. 893 */ 894 struct sctp_inpcb *inp; 895 896 inp = (struct sctp_inpcb *)so->so_pcb; 897 if (inp == NULL) { 898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 899 return (EINVAL); 900 } 901 SCTP_INP_RLOCK(inp); 902 /* For the 1 to many model this does nothing */ 903 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 904 SCTP_INP_RUNLOCK(inp); 905 return (0); 906 } 907 SCTP_INP_RUNLOCK(inp); 908 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 909 /* 910 * First make sure the sb will be happy, we don't use these 911 * except maybe the count 912 */ 913 SCTP_INP_WLOCK(inp); 914 SCTP_INP_READ_LOCK(inp); 915 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 916 SCTP_INP_READ_UNLOCK(inp); 917 SCTP_INP_WUNLOCK(inp); 918 so->so_rcv.sb_cc = 0; 919 so->so_rcv.sb_mbcnt = 0; 920 so->so_rcv.sb_mb = NULL; 921 } 922 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 923 /* 924 * First make sure the sb will be happy, we don't use these 925 * except maybe the count 926 */ 927 so->so_snd.sb_cc = 0; 928 so->so_snd.sb_mbcnt = 0; 929 so->so_snd.sb_mb = NULL; 930 931 } 932 return (0); 933} 934 935int 936sctp_shutdown(struct socket *so) 937{ 938 struct sctp_inpcb *inp; 939 940 inp = (struct sctp_inpcb *)so->so_pcb; 941 if (inp == NULL) { 942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 943 return (EINVAL); 944 } 945 SCTP_INP_RLOCK(inp); 946 /* For UDP model this is a invalid call */ 947 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 949 /* Restore the flags that the soshutdown took away. */ 950 SOCKBUF_LOCK(&so->so_rcv); 951 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 952 SOCKBUF_UNLOCK(&so->so_rcv); 953 /* This proc will wakeup for read and do nothing (I hope) */ 954 SCTP_INP_RUNLOCK(inp); 955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 956 return (EOPNOTSUPP); 957 } 958 /* 959 * Ok if we reach here its the TCP model and it is either a SHUT_WR 960 * or SHUT_RDWR. This means we put the shutdown flag against it. 961 */ 962 { 963 struct sctp_tcb *stcb; 964 struct sctp_association *asoc; 965 966 if ((so->so_state & 967 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 968 SCTP_INP_RUNLOCK(inp); 969 return (ENOTCONN); 970 } 971 socantsendmore(so); 972 973 stcb = LIST_FIRST(&inp->sctp_asoc_list); 974 if (stcb == NULL) { 975 /* 976 * Ok we hit the case that the shutdown call was 977 * made after an abort or something. Nothing to do 978 * now. 979 */ 980 SCTP_INP_RUNLOCK(inp); 981 return (0); 982 } 983 SCTP_TCB_LOCK(stcb); 984 asoc = &stcb->asoc; 985 if (TAILQ_EMPTY(&asoc->send_queue) && 986 TAILQ_EMPTY(&asoc->sent_queue) && 987 (asoc->stream_queue_cnt == 0)) { 988 if (asoc->locked_on_sending) { 989 goto abort_anyway; 990 } 991 /* there is nothing queued to send, so I'm done... */ 992 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 993 /* only send SHUTDOWN the first time through */ 994 struct sctp_nets *netp; 995 996 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 997 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 998 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 999 } 1000 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1001 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1002 sctp_stop_timers_for_shutdown(stcb); 1003 if (stcb->asoc.alternate) { 1004 netp = stcb->asoc.alternate; 1005 } else { 1006 netp = stcb->asoc.primary_destination; 1007 } 1008 sctp_send_shutdown(stcb, netp); 1009 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1010 stcb->sctp_ep, stcb, netp); 1011 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1012 stcb->sctp_ep, stcb, netp); 1013 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1014 } 1015 } else { 1016 /* 1017 * we still got (or just got) data to send, so set 1018 * SHUTDOWN_PENDING 1019 */ 1020 struct sctp_nets *netp; 1021 1022 if (stcb->asoc.alternate) { 1023 netp = stcb->asoc.alternate; 1024 } else { 1025 netp = stcb->asoc.primary_destination; 1026 } 1027 1028 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1029 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1030 netp); 1031 1032 if (asoc->locked_on_sending) { 1033 /* Locked to send out the data */ 1034 struct sctp_stream_queue_pending *sp; 1035 1036 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1037 if (sp == NULL) { 1038 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1039 asoc->locked_on_sending->stream_no); 1040 } else { 1041 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1042 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1043 } 1044 } 1045 } 1046 if (TAILQ_EMPTY(&asoc->send_queue) && 1047 TAILQ_EMPTY(&asoc->sent_queue) && 1048 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1049 struct mbuf *op_err; 1050 1051 abort_anyway: 1052 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1053 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1054 sctp_abort_an_association(stcb->sctp_ep, stcb, 1055 op_err, SCTP_SO_LOCKED); 1056 goto skip_unlock; 1057 } else { 1058 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1059 } 1060 } 1061 SCTP_TCB_UNLOCK(stcb); 1062 } 1063skip_unlock: 1064 SCTP_INP_RUNLOCK(inp); 1065 return (0); 1066} 1067 1068/* 1069 * copies a "user" presentable address and removes embedded scope, etc. 1070 * returns 0 on success, 1 on error 1071 */ 1072static uint32_t 1073sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1074{ 1075#ifdef INET6 1076 struct sockaddr_in6 lsa6; 1077 1078 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1079 &lsa6); 1080#endif 1081 memcpy(ss, sa, sa->sa_len); 1082 return (0); 1083} 1084 1085 1086 1087/* 1088 * NOTE: assumes addr lock is held 1089 */ 1090static size_t 1091sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1092 struct sctp_tcb *stcb, 1093 size_t limit, 1094 struct sockaddr_storage *sas, 1095 uint32_t vrf_id) 1096{ 1097 struct sctp_ifn *sctp_ifn; 1098 struct sctp_ifa *sctp_ifa; 1099 size_t actual; 1100 int loopback_scope; 1101 1102#if defined(INET) 1103 int ipv4_local_scope, ipv4_addr_legal; 1104 1105#endif 1106#if defined(INET6) 1107 int local_scope, site_scope, ipv6_addr_legal; 1108 1109#endif 1110 struct sctp_vrf *vrf; 1111 1112 actual = 0; 1113 if (limit <= 0) 1114 return (actual); 1115 1116 if (stcb) { 1117 /* Turn on all the appropriate scope */ 1118 loopback_scope = stcb->asoc.scope.loopback_scope; 1119#if defined(INET) 1120 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1121 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1122#endif 1123#if defined(INET6) 1124 local_scope = stcb->asoc.scope.local_scope; 1125 site_scope = stcb->asoc.scope.site_scope; 1126 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1127#endif 1128 } else { 1129 /* Use generic values for endpoints. */ 1130 loopback_scope = 1; 1131#if defined(INET) 1132 ipv4_local_scope = 1; 1133#endif 1134#if defined(INET6) 1135 local_scope = 1; 1136 site_scope = 1; 1137#endif 1138 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1139#if defined(INET6) 1140 ipv6_addr_legal = 1; 1141#endif 1142#if defined(INET) 1143 if (SCTP_IPV6_V6ONLY(inp)) { 1144 ipv4_addr_legal = 0; 1145 } else { 1146 ipv4_addr_legal = 1; 1147 } 1148#endif 1149 } else { 1150#if defined(INET6) 1151 ipv6_addr_legal = 0; 1152#endif 1153#if defined(INET) 1154 ipv4_addr_legal = 1; 1155#endif 1156 } 1157 } 1158 vrf = sctp_find_vrf(vrf_id); 1159 if (vrf == NULL) { 1160 return (0); 1161 } 1162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1163 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1164 if ((loopback_scope == 0) && 1165 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1166 /* Skip loopback if loopback_scope not set */ 1167 continue; 1168 } 1169 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1170 if (stcb) { 1171 /* 1172 * For the BOUND-ALL case, the list 1173 * associated with a TCB is Always 1174 * considered a reverse list.. i.e. 1175 * it lists addresses that are NOT 1176 * part of the association. If this 1177 * is one of those we must skip it. 1178 */ 1179 if (sctp_is_addr_restricted(stcb, 1180 sctp_ifa)) { 1181 continue; 1182 } 1183 } 1184 switch (sctp_ifa->address.sa.sa_family) { 1185#ifdef INET 1186 case AF_INET: 1187 if (ipv4_addr_legal) { 1188 struct sockaddr_in *sin; 1189 1190 sin = &sctp_ifa->address.sin; 1191 if (sin->sin_addr.s_addr == 0) { 1192 /* 1193 * we skip 1194 * unspecifed 1195 * addresses 1196 */ 1197 continue; 1198 } 1199 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1200 &sin->sin_addr) != 0) { 1201 continue; 1202 } 1203 if ((ipv4_local_scope == 0) && 1204 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1205 continue; 1206 } 1207#ifdef INET6 1208 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1209 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1210 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1211 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1212 actual += sizeof(struct sockaddr_in6); 1213 } else { 1214#endif 1215 memcpy(sas, sin, sizeof(*sin)); 1216 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1217 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1218 actual += sizeof(*sin); 1219#ifdef INET6 1220 } 1221#endif 1222 if (actual >= limit) { 1223 return (actual); 1224 } 1225 } else { 1226 continue; 1227 } 1228 break; 1229#endif 1230#ifdef INET6 1231 case AF_INET6: 1232 if (ipv6_addr_legal) { 1233 struct sockaddr_in6 *sin6; 1234 1235 sin6 = &sctp_ifa->address.sin6; 1236 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1237 /* 1238 * we skip 1239 * unspecifed 1240 * addresses 1241 */ 1242 continue; 1243 } 1244 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1245 &sin6->sin6_addr) != 0) { 1246 continue; 1247 } 1248 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1249 if (local_scope == 0) 1250 continue; 1251 if (sin6->sin6_scope_id == 0) { 1252 if (sa6_recoverscope(sin6) != 0) 1253 /* 1254 * 1255 * bad 1256 * 1257 * li 1258 * nk 1259 * 1260 * loc 1261 * al 1262 * 1263 * add 1264 * re 1265 * ss 1266 * */ 1267 continue; 1268 } 1269 } 1270 if ((site_scope == 0) && 1271 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1272 continue; 1273 } 1274 memcpy(sas, sin6, sizeof(*sin6)); 1275 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1276 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1277 actual += sizeof(*sin6); 1278 if (actual >= limit) { 1279 return (actual); 1280 } 1281 } else { 1282 continue; 1283 } 1284 break; 1285#endif 1286 default: 1287 /* TSNH */ 1288 break; 1289 } 1290 } 1291 } 1292 } else { 1293 struct sctp_laddr *laddr; 1294 1295 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1296 if (stcb) { 1297 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1298 continue; 1299 } 1300 } 1301 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1302 continue; 1303 switch (laddr->ifa->address.sa.sa_family) { 1304#ifdef INET 1305 case AF_INET: 1306 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1307 break; 1308#endif 1309#ifdef INET6 1310 case AF_INET6: 1311 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1312 break; 1313#endif 1314 default: 1315 /* TSNH */ 1316 break; 1317 } 1318 sas = (struct sockaddr_storage *)((caddr_t)sas + 1319 laddr->ifa->address.sa.sa_len); 1320 actual += laddr->ifa->address.sa.sa_len; 1321 if (actual >= limit) { 1322 return (actual); 1323 } 1324 } 1325 } 1326 return (actual); 1327} 1328 1329static size_t 1330sctp_fill_up_addresses(struct sctp_inpcb *inp, 1331 struct sctp_tcb *stcb, 1332 size_t limit, 1333 struct sockaddr_storage *sas) 1334{ 1335 size_t size = 0; 1336 1337 SCTP_IPI_ADDR_RLOCK(); 1338 /* fill up addresses for the endpoint's default vrf */ 1339 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1340 inp->def_vrf_id); 1341 SCTP_IPI_ADDR_RUNLOCK(); 1342 return (size); 1343} 1344 1345/* 1346 * NOTE: assumes addr lock is held 1347 */ 1348static int 1349sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1350{ 1351 int cnt = 0; 1352 struct sctp_vrf *vrf = NULL; 1353 1354 /* 1355 * In both sub-set bound an bound_all cases we return the MAXIMUM 1356 * number of addresses that you COULD get. In reality the sub-set 1357 * bound may have an exclusion list for a given TCB OR in the 1358 * bound-all case a TCB may NOT include the loopback or other 1359 * addresses as well. 1360 */ 1361 vrf = sctp_find_vrf(vrf_id); 1362 if (vrf == NULL) { 1363 return (0); 1364 } 1365 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1366 struct sctp_ifn *sctp_ifn; 1367 struct sctp_ifa *sctp_ifa; 1368 1369 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1370 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1371 /* Count them if they are the right type */ 1372 switch (sctp_ifa->address.sa.sa_family) { 1373#ifdef INET 1374 case AF_INET: 1375#ifdef INET6 1376 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1377 cnt += sizeof(struct sockaddr_in6); 1378 else 1379 cnt += sizeof(struct sockaddr_in); 1380#else 1381 cnt += sizeof(struct sockaddr_in); 1382#endif 1383 break; 1384#endif 1385#ifdef INET6 1386 case AF_INET6: 1387 cnt += sizeof(struct sockaddr_in6); 1388 break; 1389#endif 1390 default: 1391 break; 1392 } 1393 } 1394 } 1395 } else { 1396 struct sctp_laddr *laddr; 1397 1398 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1399 switch (laddr->ifa->address.sa.sa_family) { 1400#ifdef INET 1401 case AF_INET: 1402#ifdef INET6 1403 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1404 cnt += sizeof(struct sockaddr_in6); 1405 else 1406 cnt += sizeof(struct sockaddr_in); 1407#else 1408 cnt += sizeof(struct sockaddr_in); 1409#endif 1410 break; 1411#endif 1412#ifdef INET6 1413 case AF_INET6: 1414 cnt += sizeof(struct sockaddr_in6); 1415 break; 1416#endif 1417 default: 1418 break; 1419 } 1420 } 1421 } 1422 return (cnt); 1423} 1424 1425static int 1426sctp_count_max_addresses(struct sctp_inpcb *inp) 1427{ 1428 int cnt = 0; 1429 1430 SCTP_IPI_ADDR_RLOCK(); 1431 /* count addresses for the endpoint's default VRF */ 1432 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1433 SCTP_IPI_ADDR_RUNLOCK(); 1434 return (cnt); 1435} 1436 1437static int 1438sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1439 size_t optsize, void *p, int delay) 1440{ 1441 int error = 0; 1442 int creat_lock_on = 0; 1443 struct sctp_tcb *stcb = NULL; 1444 struct sockaddr *sa; 1445 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1446 uint32_t vrf_id; 1447 int bad_addresses = 0; 1448 sctp_assoc_t *a_id; 1449 1450 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1451 1452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1453 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1454 /* We are already connected AND the TCP model */ 1455 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1456 return (EADDRINUSE); 1457 } 1458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1459 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1461 return (EINVAL); 1462 } 1463 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1464 SCTP_INP_RLOCK(inp); 1465 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1466 SCTP_INP_RUNLOCK(inp); 1467 } 1468 if (stcb) { 1469 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1470 return (EALREADY); 1471 } 1472 SCTP_INP_INCR_REF(inp); 1473 SCTP_ASOC_CREATE_LOCK(inp); 1474 creat_lock_on = 1; 1475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1476 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1477 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1478 error = EFAULT; 1479 goto out_now; 1480 } 1481 totaddrp = (int *)optval; 1482 totaddr = *totaddrp; 1483 sa = (struct sockaddr *)(totaddrp + 1); 1484 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1485 if ((stcb != NULL) || bad_addresses) { 1486 /* Already have or am bring up an association */ 1487 SCTP_ASOC_CREATE_UNLOCK(inp); 1488 creat_lock_on = 0; 1489 if (stcb) 1490 SCTP_TCB_UNLOCK(stcb); 1491 if (bad_addresses == 0) { 1492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1493 error = EALREADY; 1494 } 1495 goto out_now; 1496 } 1497#ifdef INET6 1498 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1499 (num_v6 > 0)) { 1500 error = EINVAL; 1501 goto out_now; 1502 } 1503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1504 (num_v4 > 0)) { 1505 struct in6pcb *inp6; 1506 1507 inp6 = (struct in6pcb *)inp; 1508 if (SCTP_IPV6_V6ONLY(inp6)) { 1509 /* 1510 * if IPV6_V6ONLY flag, ignore connections destined 1511 * to a v4 addr or v4-mapped addr 1512 */ 1513 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1514 error = EINVAL; 1515 goto out_now; 1516 } 1517 } 1518#endif /* INET6 */ 1519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1520 SCTP_PCB_FLAGS_UNBOUND) { 1521 /* Bind a ephemeral port */ 1522 error = sctp_inpcb_bind(so, NULL, NULL, p); 1523 if (error) { 1524 goto out_now; 1525 } 1526 } 1527 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1528 vrf_id = inp->def_vrf_id; 1529 1530 1531 /* We are GOOD to go */ 1532 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1533 (struct thread *)p 1534 ); 1535 if (stcb == NULL) { 1536 /* Gak! no memory */ 1537 goto out_now; 1538 } 1539 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1540 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1541 /* Set the connected flag so we can queue data */ 1542 soisconnecting(so); 1543 } 1544 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1545 /* move to second address */ 1546 switch (sa->sa_family) { 1547#ifdef INET 1548 case AF_INET: 1549 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1550 break; 1551#endif 1552#ifdef INET6 1553 case AF_INET6: 1554 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1555 break; 1556#endif 1557 default: 1558 break; 1559 } 1560 1561 error = 0; 1562 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1563 /* Fill in the return id */ 1564 if (error) { 1565 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1566 goto out_now; 1567 } 1568 a_id = (sctp_assoc_t *) optval; 1569 *a_id = sctp_get_associd(stcb); 1570 1571 /* initialize authentication parameters for the assoc */ 1572 sctp_initialize_auth_params(inp, stcb); 1573 1574 if (delay) { 1575 /* doing delayed connection */ 1576 stcb->asoc.delayed_connection = 1; 1577 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1578 } else { 1579 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1580 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1581 } 1582 SCTP_TCB_UNLOCK(stcb); 1583 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1584 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1585 /* Set the connected flag so we can queue data */ 1586 soisconnecting(so); 1587 } 1588out_now: 1589 if (creat_lock_on) { 1590 SCTP_ASOC_CREATE_UNLOCK(inp); 1591 } 1592 SCTP_INP_DECR_REF(inp); 1593 return (error); 1594} 1595 1596#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1597 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1598 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1599 SCTP_INP_RLOCK(inp); \ 1600 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1601 if (stcb) { \ 1602 SCTP_TCB_LOCK(stcb); \ 1603 } \ 1604 SCTP_INP_RUNLOCK(inp); \ 1605 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1606 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1607 if (stcb == NULL) { \ 1608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1609 error = ENOENT; \ 1610 break; \ 1611 } \ 1612 } else { \ 1613 stcb = NULL; \ 1614 } \ 1615 } 1616 1617 1618#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1619 if (size < sizeof(type)) { \ 1620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1621 error = EINVAL; \ 1622 break; \ 1623 } else { \ 1624 destp = (type *)srcp; \ 1625 } \ 1626 } 1627 1628static int 1629sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1630 void *p) 1631{ 1632 struct sctp_inpcb *inp = NULL; 1633 int error, val = 0; 1634 struct sctp_tcb *stcb = NULL; 1635 1636 if (optval == NULL) { 1637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1638 return (EINVAL); 1639 } 1640 inp = (struct sctp_inpcb *)so->so_pcb; 1641 if (inp == NULL) { 1642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1643 return EINVAL; 1644 } 1645 error = 0; 1646 1647 switch (optname) { 1648 case SCTP_NODELAY: 1649 case SCTP_AUTOCLOSE: 1650 case SCTP_EXPLICIT_EOR: 1651 case SCTP_AUTO_ASCONF: 1652 case SCTP_DISABLE_FRAGMENTS: 1653 case SCTP_I_WANT_MAPPED_V4_ADDR: 1654 case SCTP_USE_EXT_RCVINFO: 1655 SCTP_INP_RLOCK(inp); 1656 switch (optname) { 1657 case SCTP_DISABLE_FRAGMENTS: 1658 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1659 break; 1660 case SCTP_I_WANT_MAPPED_V4_ADDR: 1661 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1662 break; 1663 case SCTP_AUTO_ASCONF: 1664 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1665 /* only valid for bound all sockets */ 1666 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1667 } else { 1668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1669 error = EINVAL; 1670 goto flags_out; 1671 } 1672 break; 1673 case SCTP_EXPLICIT_EOR: 1674 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1675 break; 1676 case SCTP_NODELAY: 1677 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1678 break; 1679 case SCTP_USE_EXT_RCVINFO: 1680 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1681 break; 1682 case SCTP_AUTOCLOSE: 1683 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1684 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1685 else 1686 val = 0; 1687 break; 1688 1689 default: 1690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1691 error = ENOPROTOOPT; 1692 } /* end switch (sopt->sopt_name) */ 1693 if (*optsize < sizeof(val)) { 1694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1695 error = EINVAL; 1696 } 1697flags_out: 1698 SCTP_INP_RUNLOCK(inp); 1699 if (error == 0) { 1700 /* return the option value */ 1701 *(int *)optval = val; 1702 *optsize = sizeof(val); 1703 } 1704 break; 1705 case SCTP_GET_PACKET_LOG: 1706 { 1707#ifdef SCTP_PACKET_LOGGING 1708 uint8_t *target; 1709 int ret; 1710 1711 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1712 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1713 *optsize = ret; 1714#else 1715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1716 error = EOPNOTSUPP; 1717#endif 1718 break; 1719 } 1720 case SCTP_REUSE_PORT: 1721 { 1722 uint32_t *value; 1723 1724 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1725 /* Can't do this for a 1-m socket */ 1726 error = EINVAL; 1727 break; 1728 } 1729 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1730 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1731 *optsize = sizeof(uint32_t); 1732 break; 1733 } 1734 case SCTP_PARTIAL_DELIVERY_POINT: 1735 { 1736 uint32_t *value; 1737 1738 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1739 *value = inp->partial_delivery_point; 1740 *optsize = sizeof(uint32_t); 1741 break; 1742 } 1743 case SCTP_FRAGMENT_INTERLEAVE: 1744 { 1745 uint32_t *value; 1746 1747 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1748 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1749 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1750 *value = SCTP_FRAG_LEVEL_2; 1751 } else { 1752 *value = SCTP_FRAG_LEVEL_1; 1753 } 1754 } else { 1755 *value = SCTP_FRAG_LEVEL_0; 1756 } 1757 *optsize = sizeof(uint32_t); 1758 break; 1759 } 1760 case SCTP_CMT_ON_OFF: 1761 { 1762 struct sctp_assoc_value *av; 1763 1764 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1765 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1766 if (stcb) { 1767 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1768 SCTP_TCB_UNLOCK(stcb); 1769 } else { 1770 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1771 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1772 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1773 SCTP_INP_RLOCK(inp); 1774 av->assoc_value = inp->sctp_cmt_on_off; 1775 SCTP_INP_RUNLOCK(inp); 1776 } else { 1777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1778 error = EINVAL; 1779 } 1780 } 1781 if (error == 0) { 1782 *optsize = sizeof(struct sctp_assoc_value); 1783 } 1784 break; 1785 } 1786 case SCTP_PLUGGABLE_CC: 1787 { 1788 struct sctp_assoc_value *av; 1789 1790 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1791 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1792 if (stcb) { 1793 av->assoc_value = stcb->asoc.congestion_control_module; 1794 SCTP_TCB_UNLOCK(stcb); 1795 } else { 1796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1798 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1799 SCTP_INP_RLOCK(inp); 1800 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1801 SCTP_INP_RUNLOCK(inp); 1802 } else { 1803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1804 error = EINVAL; 1805 } 1806 } 1807 if (error == 0) { 1808 *optsize = sizeof(struct sctp_assoc_value); 1809 } 1810 break; 1811 } 1812 case SCTP_CC_OPTION: 1813 { 1814 struct sctp_cc_option *cc_opt; 1815 1816 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1817 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1818 if (stcb == NULL) { 1819 error = EINVAL; 1820 } else { 1821 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1822 error = ENOTSUP; 1823 } else { 1824 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1825 *optsize = sizeof(struct sctp_cc_option); 1826 } 1827 SCTP_TCB_UNLOCK(stcb); 1828 } 1829 break; 1830 } 1831 case SCTP_PLUGGABLE_SS: 1832 { 1833 struct sctp_assoc_value *av; 1834 1835 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1836 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1837 if (stcb) { 1838 av->assoc_value = stcb->asoc.stream_scheduling_module; 1839 SCTP_TCB_UNLOCK(stcb); 1840 } else { 1841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1842 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1843 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1844 SCTP_INP_RLOCK(inp); 1845 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1846 SCTP_INP_RUNLOCK(inp); 1847 } else { 1848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1849 error = EINVAL; 1850 } 1851 } 1852 if (error == 0) { 1853 *optsize = sizeof(struct sctp_assoc_value); 1854 } 1855 break; 1856 } 1857 case SCTP_SS_VALUE: 1858 { 1859 struct sctp_stream_value *av; 1860 1861 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1862 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1863 if (stcb) { 1864 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1865 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1866 &av->stream_value) < 0)) { 1867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1868 error = EINVAL; 1869 } else { 1870 *optsize = sizeof(struct sctp_stream_value); 1871 } 1872 SCTP_TCB_UNLOCK(stcb); 1873 } else { 1874 /* 1875 * Can't get stream value without 1876 * association 1877 */ 1878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1879 error = EINVAL; 1880 } 1881 break; 1882 } 1883 case SCTP_GET_ADDR_LEN: 1884 { 1885 struct sctp_assoc_value *av; 1886 1887 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1888 error = EINVAL; 1889#ifdef INET 1890 if (av->assoc_value == AF_INET) { 1891 av->assoc_value = sizeof(struct sockaddr_in); 1892 error = 0; 1893 } 1894#endif 1895#ifdef INET6 1896 if (av->assoc_value == AF_INET6) { 1897 av->assoc_value = sizeof(struct sockaddr_in6); 1898 error = 0; 1899 } 1900#endif 1901 if (error) { 1902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1903 } else { 1904 *optsize = sizeof(struct sctp_assoc_value); 1905 } 1906 break; 1907 } 1908 case SCTP_GET_ASSOC_NUMBER: 1909 { 1910 uint32_t *value, cnt; 1911 1912 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1913 cnt = 0; 1914 SCTP_INP_RLOCK(inp); 1915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1916 cnt++; 1917 } 1918 SCTP_INP_RUNLOCK(inp); 1919 *value = cnt; 1920 *optsize = sizeof(uint32_t); 1921 break; 1922 } 1923 case SCTP_GET_ASSOC_ID_LIST: 1924 { 1925 struct sctp_assoc_ids *ids; 1926 unsigned int at, limit; 1927 1928 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1929 at = 0; 1930 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1931 SCTP_INP_RLOCK(inp); 1932 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1933 if (at < limit) { 1934 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1935 } else { 1936 error = EINVAL; 1937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1938 break; 1939 } 1940 } 1941 SCTP_INP_RUNLOCK(inp); 1942 if (error == 0) { 1943 ids->gaids_number_of_ids = at; 1944 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1945 } 1946 break; 1947 } 1948 case SCTP_CONTEXT: 1949 { 1950 struct sctp_assoc_value *av; 1951 1952 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1953 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1954 1955 if (stcb) { 1956 av->assoc_value = stcb->asoc.context; 1957 SCTP_TCB_UNLOCK(stcb); 1958 } else { 1959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1961 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1962 SCTP_INP_RLOCK(inp); 1963 av->assoc_value = inp->sctp_context; 1964 SCTP_INP_RUNLOCK(inp); 1965 } else { 1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1967 error = EINVAL; 1968 } 1969 } 1970 if (error == 0) { 1971 *optsize = sizeof(struct sctp_assoc_value); 1972 } 1973 break; 1974 } 1975 case SCTP_VRF_ID: 1976 { 1977 uint32_t *default_vrfid; 1978 1979 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1980 *default_vrfid = inp->def_vrf_id; 1981 *optsize = sizeof(uint32_t); 1982 break; 1983 } 1984 case SCTP_GET_ASOC_VRF: 1985 { 1986 struct sctp_assoc_value *id; 1987 1988 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1989 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1990 if (stcb == NULL) { 1991 error = EINVAL; 1992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1993 } else { 1994 id->assoc_value = stcb->asoc.vrf_id; 1995 *optsize = sizeof(struct sctp_assoc_value); 1996 } 1997 break; 1998 } 1999 case SCTP_GET_VRF_IDS: 2000 { 2001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2002 error = EOPNOTSUPP; 2003 break; 2004 } 2005 case SCTP_GET_NONCE_VALUES: 2006 { 2007 struct sctp_get_nonce_values *gnv; 2008 2009 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2010 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2011 2012 if (stcb) { 2013 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2014 gnv->gn_local_tag = stcb->asoc.my_vtag; 2015 SCTP_TCB_UNLOCK(stcb); 2016 *optsize = sizeof(struct sctp_get_nonce_values); 2017 } else { 2018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2019 error = ENOTCONN; 2020 } 2021 break; 2022 } 2023 case SCTP_DELAYED_SACK: 2024 { 2025 struct sctp_sack_info *sack; 2026 2027 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2028 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2029 if (stcb) { 2030 sack->sack_delay = stcb->asoc.delayed_ack; 2031 sack->sack_freq = stcb->asoc.sack_freq; 2032 SCTP_TCB_UNLOCK(stcb); 2033 } else { 2034 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2035 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2036 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2037 SCTP_INP_RLOCK(inp); 2038 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2039 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2040 SCTP_INP_RUNLOCK(inp); 2041 } else { 2042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2043 error = EINVAL; 2044 } 2045 } 2046 if (error == 0) { 2047 *optsize = sizeof(struct sctp_sack_info); 2048 } 2049 break; 2050 } 2051 case SCTP_GET_SNDBUF_USE: 2052 { 2053 struct sctp_sockstat *ss; 2054 2055 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2056 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2057 2058 if (stcb) { 2059 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2060 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2061 stcb->asoc.size_on_all_streams); 2062 SCTP_TCB_UNLOCK(stcb); 2063 *optsize = sizeof(struct sctp_sockstat); 2064 } else { 2065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2066 error = ENOTCONN; 2067 } 2068 break; 2069 } 2070 case SCTP_MAX_BURST: 2071 { 2072 struct sctp_assoc_value *av; 2073 2074 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2075 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2076 2077 if (stcb) { 2078 av->assoc_value = stcb->asoc.max_burst; 2079 SCTP_TCB_UNLOCK(stcb); 2080 } else { 2081 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2082 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2083 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2084 SCTP_INP_RLOCK(inp); 2085 av->assoc_value = inp->sctp_ep.max_burst; 2086 SCTP_INP_RUNLOCK(inp); 2087 } else { 2088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2089 error = EINVAL; 2090 } 2091 } 2092 if (error == 0) { 2093 *optsize = sizeof(struct sctp_assoc_value); 2094 } 2095 break; 2096 } 2097 case SCTP_MAXSEG: 2098 { 2099 struct sctp_assoc_value *av; 2100 int ovh; 2101 2102 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2103 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2104 2105 if (stcb) { 2106 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2107 SCTP_TCB_UNLOCK(stcb); 2108 } else { 2109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2110 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2111 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2112 SCTP_INP_RLOCK(inp); 2113 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2114 ovh = SCTP_MED_OVERHEAD; 2115 } else { 2116 ovh = SCTP_MED_V4_OVERHEAD; 2117 } 2118 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2119 av->assoc_value = 0; 2120 else 2121 av->assoc_value = inp->sctp_frag_point - ovh; 2122 SCTP_INP_RUNLOCK(inp); 2123 } else { 2124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2125 error = EINVAL; 2126 } 2127 } 2128 if (error == 0) { 2129 *optsize = sizeof(struct sctp_assoc_value); 2130 } 2131 break; 2132 } 2133 case SCTP_GET_STAT_LOG: 2134 error = sctp_fill_stat_log(optval, optsize); 2135 break; 2136 case SCTP_EVENTS: 2137 { 2138 struct sctp_event_subscribe *events; 2139 2140 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2141 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2142 SCTP_INP_RLOCK(inp); 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2144 events->sctp_data_io_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2147 events->sctp_association_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2150 events->sctp_address_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2153 events->sctp_send_failure_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2156 events->sctp_peer_error_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2159 events->sctp_shutdown_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2162 events->sctp_partial_delivery_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2165 events->sctp_adaptation_layer_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2168 events->sctp_authentication_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2171 events->sctp_sender_dry_event = 1; 2172 2173 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2174 events->sctp_stream_reset_event = 1; 2175 SCTP_INP_RUNLOCK(inp); 2176 *optsize = sizeof(struct sctp_event_subscribe); 2177 break; 2178 } 2179 case SCTP_ADAPTATION_LAYER: 2180 { 2181 uint32_t *value; 2182 2183 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2184 2185 SCTP_INP_RLOCK(inp); 2186 *value = inp->sctp_ep.adaptation_layer_indicator; 2187 SCTP_INP_RUNLOCK(inp); 2188 *optsize = sizeof(uint32_t); 2189 break; 2190 } 2191 case SCTP_SET_INITIAL_DBG_SEQ: 2192 { 2193 uint32_t *value; 2194 2195 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2196 SCTP_INP_RLOCK(inp); 2197 *value = inp->sctp_ep.initial_sequence_debug; 2198 SCTP_INP_RUNLOCK(inp); 2199 *optsize = sizeof(uint32_t); 2200 break; 2201 } 2202 case SCTP_GET_LOCAL_ADDR_SIZE: 2203 { 2204 uint32_t *value; 2205 2206 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2207 SCTP_INP_RLOCK(inp); 2208 *value = sctp_count_max_addresses(inp); 2209 SCTP_INP_RUNLOCK(inp); 2210 *optsize = sizeof(uint32_t); 2211 break; 2212 } 2213 case SCTP_GET_REMOTE_ADDR_SIZE: 2214 { 2215 uint32_t *value; 2216 size_t size; 2217 struct sctp_nets *net; 2218 2219 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2220 /* FIXME MT: change to sctp_assoc_value? */ 2221 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2222 2223 if (stcb) { 2224 size = 0; 2225 /* Count the sizes */ 2226 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2227 switch (net->ro._l_addr.sa.sa_family) { 2228#ifdef INET 2229 case AF_INET: 2230#ifdef INET6 2231 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2232 size += sizeof(struct sockaddr_in6); 2233 } else { 2234 size += sizeof(struct sockaddr_in); 2235 } 2236#else 2237 size += sizeof(struct sockaddr_in); 2238#endif 2239 break; 2240#endif 2241#ifdef INET6 2242 case AF_INET6: 2243 size += sizeof(struct sockaddr_in6); 2244 break; 2245#endif 2246 default: 2247 break; 2248 } 2249 } 2250 SCTP_TCB_UNLOCK(stcb); 2251 *value = (uint32_t) size; 2252 *optsize = sizeof(uint32_t); 2253 } else { 2254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2255 error = ENOTCONN; 2256 } 2257 break; 2258 } 2259 case SCTP_GET_PEER_ADDRESSES: 2260 /* 2261 * Get the address information, an array is passed in to 2262 * fill up we pack it. 2263 */ 2264 { 2265 size_t cpsz, left; 2266 struct sockaddr_storage *sas; 2267 struct sctp_nets *net; 2268 struct sctp_getaddresses *saddr; 2269 2270 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2271 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2272 2273 if (stcb) { 2274 left = (*optsize) - sizeof(struct sctp_getaddresses); 2275 *optsize = sizeof(struct sctp_getaddresses); 2276 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2277 2278 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2279 switch (net->ro._l_addr.sa.sa_family) { 2280#ifdef INET 2281 case AF_INET: 2282#ifdef INET6 2283 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2284 cpsz = sizeof(struct sockaddr_in6); 2285 } else { 2286 cpsz = sizeof(struct sockaddr_in); 2287 } 2288#else 2289 cpsz = sizeof(struct sockaddr_in); 2290#endif 2291 break; 2292#endif 2293#ifdef INET6 2294 case AF_INET6: 2295 cpsz = sizeof(struct sockaddr_in6); 2296 break; 2297#endif 2298 default: 2299 cpsz = 0; 2300 break; 2301 } 2302 if (cpsz == 0) { 2303 break; 2304 } 2305 if (left < cpsz) { 2306 /* not enough room. */ 2307 break; 2308 } 2309#if defined(INET) && defined(INET6) 2310 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2311 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2312 /* Must map the address */ 2313 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2314 (struct sockaddr_in6 *)sas); 2315 } else { 2316 memcpy(sas, &net->ro._l_addr, cpsz); 2317 } 2318#else 2319 memcpy(sas, &net->ro._l_addr, cpsz); 2320#endif 2321 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2322 2323 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2324 left -= cpsz; 2325 *optsize += cpsz; 2326 } 2327 SCTP_TCB_UNLOCK(stcb); 2328 } else { 2329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2330 error = ENOENT; 2331 } 2332 break; 2333 } 2334 case SCTP_GET_LOCAL_ADDRESSES: 2335 { 2336 size_t limit, actual; 2337 struct sockaddr_storage *sas; 2338 struct sctp_getaddresses *saddr; 2339 2340 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2341 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2342 2343 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2344 limit = *optsize - sizeof(sctp_assoc_t); 2345 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2346 if (stcb) { 2347 SCTP_TCB_UNLOCK(stcb); 2348 } 2349 *optsize = sizeof(struct sockaddr_storage) + actual; 2350 break; 2351 } 2352 case SCTP_PEER_ADDR_PARAMS: 2353 { 2354 struct sctp_paddrparams *paddrp; 2355 struct sctp_nets *net; 2356 struct sockaddr *addr; 2357 2358#if defined(INET) && defined(INET6) 2359 struct sockaddr_in sin_store; 2360 2361#endif 2362 2363 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2364 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2365 2366#if defined(INET) && defined(INET6) 2367 if (paddrp->spp_address.ss_family == AF_INET6) { 2368 struct sockaddr_in6 *sin6; 2369 2370 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2371 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2372 in6_sin6_2_sin(&sin_store, sin6); 2373 addr = (struct sockaddr *)&sin_store; 2374 } else { 2375 addr = (struct sockaddr *)&paddrp->spp_address; 2376 } 2377 } else { 2378 addr = (struct sockaddr *)&paddrp->spp_address; 2379 } 2380#else 2381 addr = (struct sockaddr *)&paddrp->spp_address; 2382#endif 2383 if (stcb != NULL) { 2384 net = sctp_findnet(stcb, addr); 2385 } else { 2386 /* 2387 * We increment here since 2388 * sctp_findassociation_ep_addr() wil do a 2389 * decrement if it finds the stcb as long as 2390 * the locked tcb (last argument) is NOT a 2391 * TCB.. aka NULL. 2392 */ 2393 net = NULL; 2394 SCTP_INP_INCR_REF(inp); 2395 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2396 if (stcb == NULL) { 2397 SCTP_INP_DECR_REF(inp); 2398 } 2399 } 2400 if ((stcb != NULL) && (net == NULL)) { 2401#ifdef INET 2402 if (addr->sa_family == AF_INET) { 2403 struct sockaddr_in *sin; 2404 2405 sin = (struct sockaddr_in *)addr; 2406 if (sin->sin_addr.s_addr != INADDR_ANY) { 2407 error = EINVAL; 2408 SCTP_TCB_UNLOCK(stcb); 2409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2410 break; 2411 } 2412 } else 2413#endif 2414#ifdef INET6 2415 if (addr->sa_family == AF_INET6) { 2416 struct sockaddr_in6 *sin6; 2417 2418 sin6 = (struct sockaddr_in6 *)addr; 2419 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2420 error = EINVAL; 2421 SCTP_TCB_UNLOCK(stcb); 2422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2423 break; 2424 } 2425 } else 2426#endif 2427 { 2428 error = EAFNOSUPPORT; 2429 SCTP_TCB_UNLOCK(stcb); 2430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2431 break; 2432 } 2433 } 2434 if (stcb != NULL) { 2435 /* Applies to the specific association */ 2436 paddrp->spp_flags = 0; 2437 if (net != NULL) { 2438 int ovh; 2439 2440 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2441 ovh = SCTP_MED_OVERHEAD; 2442 } else { 2443 ovh = SCTP_MED_V4_OVERHEAD; 2444 } 2445 2446 paddrp->spp_hbinterval = net->heart_beat_delay; 2447 paddrp->spp_pathmaxrxt = net->failure_threshold; 2448 paddrp->spp_pathmtu = net->mtu - ovh; 2449 /* get flags for HB */ 2450 if (net->dest_state & SCTP_ADDR_NOHB) { 2451 paddrp->spp_flags |= SPP_HB_DISABLE; 2452 } else { 2453 paddrp->spp_flags |= SPP_HB_ENABLE; 2454 } 2455 /* get flags for PMTU */ 2456 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2457 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2458 } else { 2459 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2460 } 2461 if (net->dscp & 0x01) { 2462 paddrp->spp_dscp = net->dscp & 0xfc; 2463 paddrp->spp_flags |= SPP_DSCP; 2464 } 2465#ifdef INET6 2466 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2467 (net->flowlabel & 0x80000000)) { 2468 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2469 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2470 } 2471#endif 2472 } else { 2473 /* 2474 * No destination so return default 2475 * value 2476 */ 2477 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2478 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2479 if (stcb->asoc.default_dscp & 0x01) { 2480 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2481 paddrp->spp_flags |= SPP_DSCP; 2482 } 2483#ifdef INET6 2484 if (stcb->asoc.default_flowlabel & 0x80000000) { 2485 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488#endif 2489 /* default settings should be these */ 2490 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2491 paddrp->spp_flags |= SPP_HB_DISABLE; 2492 } else { 2493 paddrp->spp_flags |= SPP_HB_ENABLE; 2494 } 2495 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2496 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2497 } else { 2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2499 } 2500 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2501 } 2502 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2503 SCTP_TCB_UNLOCK(stcb); 2504 } else { 2505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2507 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2508 /* Use endpoint defaults */ 2509 SCTP_INP_RLOCK(inp); 2510 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2511 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2512 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2513 /* get inp's default */ 2514 if (inp->sctp_ep.default_dscp & 0x01) { 2515 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2516 paddrp->spp_flags |= SPP_DSCP; 2517 } 2518#ifdef INET6 2519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2520 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2521 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2522 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2523 } 2524#endif 2525 /* can't return this */ 2526 paddrp->spp_pathmtu = 0; 2527 2528 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2529 paddrp->spp_flags |= SPP_HB_ENABLE; 2530 } else { 2531 paddrp->spp_flags |= SPP_HB_DISABLE; 2532 } 2533 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2534 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2535 } else { 2536 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2537 } 2538 SCTP_INP_RUNLOCK(inp); 2539 } else { 2540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2541 error = EINVAL; 2542 } 2543 } 2544 if (error == 0) { 2545 *optsize = sizeof(struct sctp_paddrparams); 2546 } 2547 break; 2548 } 2549 case SCTP_GET_PEER_ADDR_INFO: 2550 { 2551 struct sctp_paddrinfo *paddri; 2552 struct sctp_nets *net; 2553 struct sockaddr *addr; 2554 2555#if defined(INET) && defined(INET6) 2556 struct sockaddr_in sin_store; 2557 2558#endif 2559 2560 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2561 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2562 2563#if defined(INET) && defined(INET6) 2564 if (paddri->spinfo_address.ss_family == AF_INET6) { 2565 struct sockaddr_in6 *sin6; 2566 2567 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2568 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2569 in6_sin6_2_sin(&sin_store, sin6); 2570 addr = (struct sockaddr *)&sin_store; 2571 } else { 2572 addr = (struct sockaddr *)&paddri->spinfo_address; 2573 } 2574 } else { 2575 addr = (struct sockaddr *)&paddri->spinfo_address; 2576 } 2577#else 2578 addr = (struct sockaddr *)&paddri->spinfo_address; 2579#endif 2580 if (stcb != NULL) { 2581 net = sctp_findnet(stcb, addr); 2582 } else { 2583 /* 2584 * We increment here since 2585 * sctp_findassociation_ep_addr() wil do a 2586 * decrement if it finds the stcb as long as 2587 * the locked tcb (last argument) is NOT a 2588 * TCB.. aka NULL. 2589 */ 2590 net = NULL; 2591 SCTP_INP_INCR_REF(inp); 2592 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2593 if (stcb == NULL) { 2594 SCTP_INP_DECR_REF(inp); 2595 } 2596 } 2597 2598 if ((stcb != NULL) && (net != NULL)) { 2599 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2600 /* It's unconfirmed */ 2601 paddri->spinfo_state = SCTP_UNCONFIRMED; 2602 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2603 /* It's active */ 2604 paddri->spinfo_state = SCTP_ACTIVE; 2605 } else { 2606 /* It's inactive */ 2607 paddri->spinfo_state = SCTP_INACTIVE; 2608 } 2609 paddri->spinfo_cwnd = net->cwnd; 2610 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2611 paddri->spinfo_rto = net->RTO; 2612 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2613 paddri->spinfo_mtu = net->mtu; 2614 SCTP_TCB_UNLOCK(stcb); 2615 *optsize = sizeof(struct sctp_paddrinfo); 2616 } else { 2617 if (stcb != NULL) { 2618 SCTP_TCB_UNLOCK(stcb); 2619 } 2620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2621 error = ENOENT; 2622 } 2623 break; 2624 } 2625 case SCTP_PCB_STATUS: 2626 { 2627 struct sctp_pcbinfo *spcb; 2628 2629 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2630 sctp_fill_pcbinfo(spcb); 2631 *optsize = sizeof(struct sctp_pcbinfo); 2632 break; 2633 } 2634 case SCTP_STATUS: 2635 { 2636 struct sctp_nets *net; 2637 struct sctp_status *sstat; 2638 2639 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2640 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2641 2642 if (stcb == NULL) { 2643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2644 error = EINVAL; 2645 break; 2646 } 2647 /* 2648 * I think passing the state is fine since 2649 * sctp_constants.h will be available to the user 2650 * land. 2651 */ 2652 sstat->sstat_state = stcb->asoc.state; 2653 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2654 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2655 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2656 /* 2657 * We can't include chunks that have been passed to 2658 * the socket layer. Only things in queue. 2659 */ 2660 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2661 stcb->asoc.cnt_on_all_streams); 2662 2663 2664 sstat->sstat_instrms = stcb->asoc.streamincnt; 2665 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2666 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2667 memcpy(&sstat->sstat_primary.spinfo_address, 2668 &stcb->asoc.primary_destination->ro._l_addr, 2669 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2670 net = stcb->asoc.primary_destination; 2671 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2672 /* 2673 * Again the user can get info from sctp_constants.h 2674 * for what the state of the network is. 2675 */ 2676 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2677 /* It's unconfirmed */ 2678 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2679 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2680 /* It's active */ 2681 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2682 } else { 2683 /* It's inactive */ 2684 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2685 } 2686 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2687 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2688 sstat->sstat_primary.spinfo_rto = net->RTO; 2689 sstat->sstat_primary.spinfo_mtu = net->mtu; 2690 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2691 SCTP_TCB_UNLOCK(stcb); 2692 *optsize = sizeof(struct sctp_status); 2693 break; 2694 } 2695 case SCTP_RTOINFO: 2696 { 2697 struct sctp_rtoinfo *srto; 2698 2699 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2700 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2701 2702 if (stcb) { 2703 srto->srto_initial = stcb->asoc.initial_rto; 2704 srto->srto_max = stcb->asoc.maxrto; 2705 srto->srto_min = stcb->asoc.minrto; 2706 SCTP_TCB_UNLOCK(stcb); 2707 } else { 2708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2710 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2711 SCTP_INP_RLOCK(inp); 2712 srto->srto_initial = inp->sctp_ep.initial_rto; 2713 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2714 srto->srto_min = inp->sctp_ep.sctp_minrto; 2715 SCTP_INP_RUNLOCK(inp); 2716 } else { 2717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2718 error = EINVAL; 2719 } 2720 } 2721 if (error == 0) { 2722 *optsize = sizeof(struct sctp_rtoinfo); 2723 } 2724 break; 2725 } 2726 case SCTP_TIMEOUTS: 2727 { 2728 struct sctp_timeouts *stimo; 2729 2730 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2731 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2732 2733 if (stcb) { 2734 stimo->stimo_init = stcb->asoc.timoinit; 2735 stimo->stimo_data = stcb->asoc.timodata; 2736 stimo->stimo_sack = stcb->asoc.timosack; 2737 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2738 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2739 stimo->stimo_cookie = stcb->asoc.timocookie; 2740 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2741 SCTP_TCB_UNLOCK(stcb); 2742 *optsize = sizeof(struct sctp_timeouts); 2743 } else { 2744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2745 error = EINVAL; 2746 } 2747 break; 2748 } 2749 case SCTP_ASSOCINFO: 2750 { 2751 struct sctp_assocparams *sasoc; 2752 2753 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2754 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2755 2756 if (stcb) { 2757 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2758 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2759 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2760 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2761 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2762 SCTP_TCB_UNLOCK(stcb); 2763 } else { 2764 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2765 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2766 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2767 SCTP_INP_RLOCK(inp); 2768 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2769 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2770 sasoc->sasoc_number_peer_destinations = 0; 2771 sasoc->sasoc_peer_rwnd = 0; 2772 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2773 SCTP_INP_RUNLOCK(inp); 2774 } else { 2775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2776 error = EINVAL; 2777 } 2778 } 2779 if (error == 0) { 2780 *optsize = sizeof(struct sctp_assocparams); 2781 } 2782 break; 2783 } 2784 case SCTP_DEFAULT_SEND_PARAM: 2785 { 2786 struct sctp_sndrcvinfo *s_info; 2787 2788 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2789 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2790 2791 if (stcb) { 2792 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2793 SCTP_TCB_UNLOCK(stcb); 2794 } else { 2795 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2796 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2797 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2798 SCTP_INP_RLOCK(inp); 2799 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2800 SCTP_INP_RUNLOCK(inp); 2801 } else { 2802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2803 error = EINVAL; 2804 } 2805 } 2806 if (error == 0) { 2807 *optsize = sizeof(struct sctp_sndrcvinfo); 2808 } 2809 break; 2810 } 2811 case SCTP_INITMSG: 2812 { 2813 struct sctp_initmsg *sinit; 2814 2815 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2816 SCTP_INP_RLOCK(inp); 2817 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2818 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2819 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2820 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2821 SCTP_INP_RUNLOCK(inp); 2822 *optsize = sizeof(struct sctp_initmsg); 2823 break; 2824 } 2825 case SCTP_PRIMARY_ADDR: 2826 /* we allow a "get" operation on this */ 2827 { 2828 struct sctp_setprim *ssp; 2829 2830 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2831 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2832 2833 if (stcb) { 2834 union sctp_sockstore *addr; 2835 2836 addr = &stcb->asoc.primary_destination->ro._l_addr; 2837 switch (addr->sa.sa_family) { 2838#ifdef INET 2839 case AF_INET: 2840#ifdef INET6 2841 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2842 in6_sin_2_v4mapsin6(&addr->sin, 2843 (struct sockaddr_in6 *)&ssp->ssp_addr); 2844 } else { 2845 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2846 } 2847#else 2848 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2849#endif 2850 break; 2851#endif 2852#ifdef INET6 2853 case AF_INET6: 2854 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2855 break; 2856#endif 2857 default: 2858 break; 2859 } 2860 SCTP_TCB_UNLOCK(stcb); 2861 *optsize = sizeof(struct sctp_setprim); 2862 } else { 2863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2864 error = EINVAL; 2865 } 2866 break; 2867 } 2868 case SCTP_HMAC_IDENT: 2869 { 2870 struct sctp_hmacalgo *shmac; 2871 sctp_hmaclist_t *hmaclist; 2872 uint32_t size; 2873 int i; 2874 2875 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2876 2877 SCTP_INP_RLOCK(inp); 2878 hmaclist = inp->sctp_ep.local_hmacs; 2879 if (hmaclist == NULL) { 2880 /* no HMACs to return */ 2881 *optsize = sizeof(*shmac); 2882 SCTP_INP_RUNLOCK(inp); 2883 break; 2884 } 2885 /* is there room for all of the hmac ids? */ 2886 size = sizeof(*shmac) + (hmaclist->num_algo * 2887 sizeof(shmac->shmac_idents[0])); 2888 if ((size_t)(*optsize) < size) { 2889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2890 error = EINVAL; 2891 SCTP_INP_RUNLOCK(inp); 2892 break; 2893 } 2894 /* copy in the list */ 2895 shmac->shmac_number_of_idents = hmaclist->num_algo; 2896 for (i = 0; i < hmaclist->num_algo; i++) { 2897 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2898 } 2899 SCTP_INP_RUNLOCK(inp); 2900 *optsize = size; 2901 break; 2902 } 2903 case SCTP_AUTH_ACTIVE_KEY: 2904 { 2905 struct sctp_authkeyid *scact; 2906 2907 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2908 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2909 2910 if (stcb) { 2911 /* get the active key on the assoc */ 2912 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2913 SCTP_TCB_UNLOCK(stcb); 2914 } else { 2915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2916 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2917 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2918 /* get the endpoint active key */ 2919 SCTP_INP_RLOCK(inp); 2920 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2921 SCTP_INP_RUNLOCK(inp); 2922 } else { 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2924 error = EINVAL; 2925 } 2926 } 2927 if (error == 0) { 2928 *optsize = sizeof(struct sctp_authkeyid); 2929 } 2930 break; 2931 } 2932 case SCTP_LOCAL_AUTH_CHUNKS: 2933 { 2934 struct sctp_authchunks *sac; 2935 sctp_auth_chklist_t *chklist = NULL; 2936 size_t size = 0; 2937 2938 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2939 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2940 2941 if (stcb) { 2942 /* get off the assoc */ 2943 chklist = stcb->asoc.local_auth_chunks; 2944 /* is there enough space? */ 2945 size = sctp_auth_get_chklist_size(chklist); 2946 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2947 error = EINVAL; 2948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2949 } else { 2950 /* copy in the chunks */ 2951 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2952 sac->gauth_number_of_chunks = (uint32_t) size; 2953 *optsize = sizeof(struct sctp_authchunks) + size; 2954 } 2955 SCTP_TCB_UNLOCK(stcb); 2956 } else { 2957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2958 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2959 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2960 /* get off the endpoint */ 2961 SCTP_INP_RLOCK(inp); 2962 chklist = inp->sctp_ep.local_auth_chunks; 2963 /* is there enough space? */ 2964 size = sctp_auth_get_chklist_size(chklist); 2965 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2966 error = EINVAL; 2967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2968 } else { 2969 /* copy in the chunks */ 2970 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2971 sac->gauth_number_of_chunks = (uint32_t) size; 2972 *optsize = sizeof(struct sctp_authchunks) + size; 2973 } 2974 SCTP_INP_RUNLOCK(inp); 2975 } else { 2976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2977 error = EINVAL; 2978 } 2979 } 2980 break; 2981 } 2982 case SCTP_PEER_AUTH_CHUNKS: 2983 { 2984 struct sctp_authchunks *sac; 2985 sctp_auth_chklist_t *chklist = NULL; 2986 size_t size = 0; 2987 2988 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2989 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2990 2991 if (stcb) { 2992 /* get off the assoc */ 2993 chklist = stcb->asoc.peer_auth_chunks; 2994 /* is there enough space? */ 2995 size = sctp_auth_get_chklist_size(chklist); 2996 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2997 error = EINVAL; 2998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2999 } else { 3000 /* copy in the chunks */ 3001 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3002 sac->gauth_number_of_chunks = (uint32_t) size; 3003 *optsize = sizeof(struct sctp_authchunks) + size; 3004 } 3005 SCTP_TCB_UNLOCK(stcb); 3006 } else { 3007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3008 error = ENOENT; 3009 } 3010 break; 3011 } 3012 case SCTP_EVENT: 3013 { 3014 struct sctp_event *event; 3015 uint32_t event_type; 3016 3017 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3018 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3019 3020 switch (event->se_type) { 3021 case SCTP_ASSOC_CHANGE: 3022 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3023 break; 3024 case SCTP_PEER_ADDR_CHANGE: 3025 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3026 break; 3027 case SCTP_REMOTE_ERROR: 3028 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3029 break; 3030 case SCTP_SEND_FAILED: 3031 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3032 break; 3033 case SCTP_SHUTDOWN_EVENT: 3034 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3035 break; 3036 case SCTP_ADAPTATION_INDICATION: 3037 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3038 break; 3039 case SCTP_PARTIAL_DELIVERY_EVENT: 3040 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3041 break; 3042 case SCTP_AUTHENTICATION_EVENT: 3043 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3044 break; 3045 case SCTP_STREAM_RESET_EVENT: 3046 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3047 break; 3048 case SCTP_SENDER_DRY_EVENT: 3049 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3050 break; 3051 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3052 event_type = 0; 3053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3054 error = ENOTSUP; 3055 break; 3056 case SCTP_ASSOC_RESET_EVENT: 3057 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3058 break; 3059 case SCTP_STREAM_CHANGE_EVENT: 3060 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3061 break; 3062 case SCTP_SEND_FAILED_EVENT: 3063 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3064 break; 3065 default: 3066 event_type = 0; 3067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3068 error = EINVAL; 3069 break; 3070 } 3071 if (event_type > 0) { 3072 if (stcb) { 3073 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3074 SCTP_TCB_UNLOCK(stcb); 3075 } else { 3076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3078 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3079 SCTP_INP_RLOCK(inp); 3080 event->se_on = sctp_is_feature_on(inp, event_type); 3081 SCTP_INP_RUNLOCK(inp); 3082 } else { 3083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3084 error = EINVAL; 3085 } 3086 } 3087 } 3088 if (error == 0) { 3089 *optsize = sizeof(struct sctp_event); 3090 } 3091 break; 3092 } 3093 case SCTP_RECVRCVINFO: 3094 { 3095 int onoff; 3096 3097 if (*optsize < sizeof(int)) { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } else { 3101 SCTP_INP_RLOCK(inp); 3102 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3103 SCTP_INP_RUNLOCK(inp); 3104 } 3105 if (error == 0) { 3106 /* return the option value */ 3107 *(int *)optval = onoff; 3108 *optsize = sizeof(int); 3109 } 3110 break; 3111 } 3112 case SCTP_RECVNXTINFO: 3113 { 3114 int onoff; 3115 3116 if (*optsize < sizeof(int)) { 3117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118 error = EINVAL; 3119 } else { 3120 SCTP_INP_RLOCK(inp); 3121 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3122 SCTP_INP_RUNLOCK(inp); 3123 } 3124 if (error == 0) { 3125 /* return the option value */ 3126 *(int *)optval = onoff; 3127 *optsize = sizeof(int); 3128 } 3129 break; 3130 } 3131 case SCTP_DEFAULT_SNDINFO: 3132 { 3133 struct sctp_sndinfo *info; 3134 3135 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3136 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3137 3138 if (stcb) { 3139 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3140 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3141 info->snd_flags &= 0xfff0; 3142 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3143 info->snd_context = stcb->asoc.def_send.sinfo_context; 3144 SCTP_TCB_UNLOCK(stcb); 3145 } else { 3146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3148 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3149 SCTP_INP_RLOCK(inp); 3150 info->snd_sid = inp->def_send.sinfo_stream; 3151 info->snd_flags = inp->def_send.sinfo_flags; 3152 info->snd_flags &= 0xfff0; 3153 info->snd_ppid = inp->def_send.sinfo_ppid; 3154 info->snd_context = inp->def_send.sinfo_context; 3155 SCTP_INP_RUNLOCK(inp); 3156 } else { 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3158 error = EINVAL; 3159 } 3160 } 3161 if (error == 0) { 3162 *optsize = sizeof(struct sctp_sndinfo); 3163 } 3164 break; 3165 } 3166 case SCTP_DEFAULT_PRINFO: 3167 { 3168 struct sctp_default_prinfo *info; 3169 3170 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3171 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3172 3173 if (stcb) { 3174 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3175 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3176 SCTP_TCB_UNLOCK(stcb); 3177 } else { 3178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3180 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3181 SCTP_INP_RLOCK(inp); 3182 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3183 info->pr_value = inp->def_send.sinfo_timetolive; 3184 SCTP_INP_RUNLOCK(inp); 3185 } else { 3186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3187 error = EINVAL; 3188 } 3189 } 3190 if (error == 0) { 3191 *optsize = sizeof(struct sctp_default_prinfo); 3192 } 3193 break; 3194 } 3195 case SCTP_PEER_ADDR_THLDS: 3196 { 3197 struct sctp_paddrthlds *thlds; 3198 struct sctp_nets *net; 3199 struct sockaddr *addr; 3200 3201#if defined(INET) && defined(INET6) 3202 struct sockaddr_in sin_store; 3203 3204#endif 3205 3206 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3207 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3208 3209#if defined(INET) && defined(INET6) 3210 if (thlds->spt_address.ss_family == AF_INET6) { 3211 struct sockaddr_in6 *sin6; 3212 3213 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3214 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3215 in6_sin6_2_sin(&sin_store, sin6); 3216 addr = (struct sockaddr *)&sin_store; 3217 } else { 3218 addr = (struct sockaddr *)&thlds->spt_address; 3219 } 3220 } else { 3221 addr = (struct sockaddr *)&thlds->spt_address; 3222 } 3223#else 3224 addr = (struct sockaddr *)&thlds->spt_address; 3225#endif 3226 if (stcb != NULL) { 3227 net = sctp_findnet(stcb, addr); 3228 } else { 3229 /* 3230 * We increment here since 3231 * sctp_findassociation_ep_addr() wil do a 3232 * decrement if it finds the stcb as long as 3233 * the locked tcb (last argument) is NOT a 3234 * TCB.. aka NULL. 3235 */ 3236 net = NULL; 3237 SCTP_INP_INCR_REF(inp); 3238 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3239 if (stcb == NULL) { 3240 SCTP_INP_DECR_REF(inp); 3241 } 3242 } 3243 if ((stcb != NULL) && (net == NULL)) { 3244#ifdef INET 3245 if (addr->sa_family == AF_INET) { 3246 struct sockaddr_in *sin; 3247 3248 sin = (struct sockaddr_in *)addr; 3249 if (sin->sin_addr.s_addr != INADDR_ANY) { 3250 error = EINVAL; 3251 SCTP_TCB_UNLOCK(stcb); 3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3253 break; 3254 } 3255 } else 3256#endif 3257#ifdef INET6 3258 if (addr->sa_family == AF_INET6) { 3259 struct sockaddr_in6 *sin6; 3260 3261 sin6 = (struct sockaddr_in6 *)addr; 3262 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3263 error = EINVAL; 3264 SCTP_TCB_UNLOCK(stcb); 3265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3266 break; 3267 } 3268 } else 3269#endif 3270 { 3271 error = EAFNOSUPPORT; 3272 SCTP_TCB_UNLOCK(stcb); 3273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3274 break; 3275 } 3276 } 3277 if (stcb != NULL) { 3278 if (net != NULL) { 3279 thlds->spt_pathmaxrxt = net->failure_threshold; 3280 thlds->spt_pathpfthld = net->pf_threshold; 3281 } else { 3282 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3283 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3284 } 3285 thlds->spt_assoc_id = sctp_get_associd(stcb); 3286 SCTP_TCB_UNLOCK(stcb); 3287 } else { 3288 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3289 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3290 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3291 /* Use endpoint defaults */ 3292 SCTP_INP_RLOCK(inp); 3293 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3294 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3295 SCTP_INP_RUNLOCK(inp); 3296 } else { 3297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3298 error = EINVAL; 3299 } 3300 } 3301 if (error == 0) { 3302 *optsize = sizeof(struct sctp_paddrthlds); 3303 } 3304 break; 3305 } 3306 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3307 { 3308 struct sctp_udpencaps *encaps; 3309 struct sctp_nets *net; 3310 struct sockaddr *addr; 3311 3312#if defined(INET) && defined(INET6) 3313 struct sockaddr_in sin_store; 3314 3315#endif 3316 3317 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3318 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3319 3320#if defined(INET) && defined(INET6) 3321 if (encaps->sue_address.ss_family == AF_INET6) { 3322 struct sockaddr_in6 *sin6; 3323 3324 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3325 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3326 in6_sin6_2_sin(&sin_store, sin6); 3327 addr = (struct sockaddr *)&sin_store; 3328 } else { 3329 addr = (struct sockaddr *)&encaps->sue_address; 3330 } 3331 } else { 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333 } 3334#else 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336#endif 3337 if (stcb) { 3338 net = sctp_findnet(stcb, addr); 3339 } else { 3340 /* 3341 * We increment here since 3342 * sctp_findassociation_ep_addr() wil do a 3343 * decrement if it finds the stcb as long as 3344 * the locked tcb (last argument) is NOT a 3345 * TCB.. aka NULL. 3346 */ 3347 net = NULL; 3348 SCTP_INP_INCR_REF(inp); 3349 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3350 if (stcb == NULL) { 3351 SCTP_INP_DECR_REF(inp); 3352 } 3353 } 3354 if ((stcb != NULL) && (net == NULL)) { 3355#ifdef INET 3356 if (addr->sa_family == AF_INET) { 3357 struct sockaddr_in *sin; 3358 3359 sin = (struct sockaddr_in *)addr; 3360 if (sin->sin_addr.s_addr != INADDR_ANY) { 3361 error = EINVAL; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } else 3367#endif 3368#ifdef INET6 3369 if (addr->sa_family == AF_INET6) { 3370 struct sockaddr_in6 *sin6; 3371 3372 sin6 = (struct sockaddr_in6 *)addr; 3373 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3374 error = EINVAL; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } else 3380#endif 3381 { 3382 error = EAFNOSUPPORT; 3383 SCTP_TCB_UNLOCK(stcb); 3384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3385 break; 3386 } 3387 } 3388 if (stcb != NULL) { 3389 if (net) { 3390 encaps->sue_port = net->port; 3391 } else { 3392 encaps->sue_port = stcb->asoc.port; 3393 } 3394 SCTP_TCB_UNLOCK(stcb); 3395 } else { 3396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3397 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3398 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3399 SCTP_INP_RLOCK(inp); 3400 encaps->sue_port = inp->sctp_ep.port; 3401 SCTP_INP_RUNLOCK(inp); 3402 } else { 3403 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3404 error = EINVAL; 3405 } 3406 } 3407 if (error == 0) { 3408 *optsize = sizeof(struct sctp_udpencaps); 3409 } 3410 break; 3411 } 3412 case SCTP_ECN_SUPPORTED: 3413 { 3414 struct sctp_assoc_value *av; 3415 3416 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3417 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3418 3419 if (stcb) { 3420 av->assoc_value = stcb->asoc.ecn_supported; 3421 SCTP_TCB_UNLOCK(stcb); 3422 } else { 3423 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3424 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3425 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3426 SCTP_INP_RLOCK(inp); 3427 av->assoc_value = inp->ecn_supported; 3428 SCTP_INP_RUNLOCK(inp); 3429 } else { 3430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3431 error = EINVAL; 3432 } 3433 } 3434 if (error == 0) { 3435 *optsize = sizeof(struct sctp_assoc_value); 3436 } 3437 break; 3438 } 3439 case SCTP_PR_SUPPORTED: 3440 { 3441 struct sctp_assoc_value *av; 3442 3443 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3444 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3445 3446 if (stcb) { 3447 av->assoc_value = stcb->asoc.prsctp_supported; 3448 SCTP_TCB_UNLOCK(stcb); 3449 } else { 3450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3451 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3452 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3453 SCTP_INP_RLOCK(inp); 3454 av->assoc_value = inp->prsctp_supported; 3455 SCTP_INP_RUNLOCK(inp); 3456 } else { 3457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3458 error = EINVAL; 3459 } 3460 } 3461 if (error == 0) { 3462 *optsize = sizeof(struct sctp_assoc_value); 3463 } 3464 break; 3465 } 3466 case SCTP_AUTH_SUPPORTED: 3467 { 3468 struct sctp_assoc_value *av; 3469 3470 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3471 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3472 3473 if (stcb) { 3474 av->assoc_value = stcb->asoc.auth_supported; 3475 SCTP_TCB_UNLOCK(stcb); 3476 } else { 3477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3478 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3479 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3480 SCTP_INP_RLOCK(inp); 3481 av->assoc_value = inp->auth_supported; 3482 SCTP_INP_RUNLOCK(inp); 3483 } else { 3484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3485 error = EINVAL; 3486 } 3487 } 3488 if (error == 0) { 3489 *optsize = sizeof(struct sctp_assoc_value); 3490 } 3491 break; 3492 } 3493 case SCTP_ASCONF_SUPPORTED: 3494 { 3495 struct sctp_assoc_value *av; 3496 3497 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3498 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3499 3500 if (stcb) { 3501 av->assoc_value = stcb->asoc.asconf_supported; 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 SCTP_INP_RLOCK(inp); 3508 av->assoc_value = inp->asconf_supported; 3509 SCTP_INP_RUNLOCK(inp); 3510 } else { 3511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3512 error = EINVAL; 3513 } 3514 } 3515 if (error == 0) { 3516 *optsize = sizeof(struct sctp_assoc_value); 3517 } 3518 break; 3519 } 3520 case SCTP_RECONFIG_SUPPORTED: 3521 { 3522 struct sctp_assoc_value *av; 3523 3524 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3525 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3526 3527 if (stcb) { 3528 av->assoc_value = stcb->asoc.reconfig_supported; 3529 SCTP_TCB_UNLOCK(stcb); 3530 } else { 3531 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3532 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3533 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3534 SCTP_INP_RLOCK(inp); 3535 av->assoc_value = inp->reconfig_supported; 3536 SCTP_INP_RUNLOCK(inp); 3537 } else { 3538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3539 error = EINVAL; 3540 } 3541 } 3542 if (error == 0) { 3543 *optsize = sizeof(struct sctp_assoc_value); 3544 } 3545 break; 3546 } 3547 case SCTP_NRSACK_SUPPORTED: 3548 { 3549 struct sctp_assoc_value *av; 3550 3551 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3552 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3553 3554 if (stcb) { 3555 av->assoc_value = stcb->asoc.nrsack_supported; 3556 SCTP_TCB_UNLOCK(stcb); 3557 } else { 3558 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3559 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3560 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3561 SCTP_INP_RLOCK(inp); 3562 av->assoc_value = inp->nrsack_supported; 3563 SCTP_INP_RUNLOCK(inp); 3564 } else { 3565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3566 error = EINVAL; 3567 } 3568 } 3569 if (error == 0) { 3570 *optsize = sizeof(struct sctp_assoc_value); 3571 } 3572 break; 3573 } 3574 case SCTP_PKTDROP_SUPPORTED: 3575 { 3576 struct sctp_assoc_value *av; 3577 3578 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3580 3581 if (stcb) { 3582 av->assoc_value = stcb->asoc.pktdrop_supported; 3583 SCTP_TCB_UNLOCK(stcb); 3584 } else { 3585 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3586 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3587 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3588 SCTP_INP_RLOCK(inp); 3589 av->assoc_value = inp->pktdrop_supported; 3590 SCTP_INP_RUNLOCK(inp); 3591 } else { 3592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3593 error = EINVAL; 3594 } 3595 } 3596 if (error == 0) { 3597 *optsize = sizeof(struct sctp_assoc_value); 3598 } 3599 break; 3600 } 3601 case SCTP_ENABLE_STREAM_RESET: 3602 { 3603 struct sctp_assoc_value *av; 3604 3605 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3606 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3607 3608 if (stcb) { 3609 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3610 SCTP_TCB_UNLOCK(stcb); 3611 } else { 3612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3613 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3614 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3615 SCTP_INP_RLOCK(inp); 3616 av->assoc_value = (uint32_t) inp->local_strreset_support; 3617 SCTP_INP_RUNLOCK(inp); 3618 } else { 3619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3620 error = EINVAL; 3621 } 3622 } 3623 if (error == 0) { 3624 *optsize = sizeof(struct sctp_assoc_value); 3625 } 3626 break; 3627 } 3628 case SCTP_PR_STREAM_STATUS: 3629 { 3630 struct sctp_prstatus *sprstat; 3631 uint16_t sid; 3632 uint16_t policy; 3633 3634 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3635 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3636 3637 sid = sprstat->sprstat_sid; 3638 policy = sprstat->sprstat_policy; 3639#if defined(SCTP_DETAILED_STR_STATS) 3640 if ((stcb != NULL) && 3641 (sid < stcb->asoc.streamoutcnt) && 3642 (policy != SCTP_PR_SCTP_NONE) && 3643 ((policy <= SCTP_PR_SCTP_MAX) || 3644 (policy == SCTP_PR_SCTP_ALL))) { 3645 if (policy == SCTP_PR_SCTP_ALL) { 3646 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3647 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3648 } else { 3649 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3650 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3651 } 3652#else 3653 if ((stcb != NULL) && 3654 (sid < stcb->asoc.streamoutcnt) && 3655 (policy == SCTP_PR_SCTP_ALL)) { 3656 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3657 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3658#endif 3659 SCTP_TCB_UNLOCK(stcb); 3660 *optsize = sizeof(struct sctp_prstatus); 3661 } else { 3662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3663 error = EINVAL; 3664 } 3665 break; 3666 } 3667 case SCTP_PR_ASSOC_STATUS: 3668 { 3669 struct sctp_prstatus *sprstat; 3670 uint16_t policy; 3671 3672 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3673 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3674 3675 policy = sprstat->sprstat_policy; 3676 if ((stcb != NULL) && 3677 (policy != SCTP_PR_SCTP_NONE) && 3678 ((policy <= SCTP_PR_SCTP_MAX) || 3679 (policy == SCTP_PR_SCTP_ALL))) { 3680 if (policy == SCTP_PR_SCTP_ALL) { 3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3682 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3683 } else { 3684 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3685 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3686 } 3687 SCTP_TCB_UNLOCK(stcb); 3688 *optsize = sizeof(struct sctp_prstatus); 3689 } else { 3690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3691 error = EINVAL; 3692 } 3693 break; 3694 } 3695 case SCTP_MAX_CWND: 3696 { 3697 struct sctp_assoc_value *av; 3698 3699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3701 3702 if (stcb) { 3703 av->assoc_value = stcb->asoc.max_cwnd; 3704 SCTP_TCB_UNLOCK(stcb); 3705 } else { 3706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3708 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3709 SCTP_INP_RLOCK(inp); 3710 av->assoc_value = inp->max_cwnd; 3711 SCTP_INP_RUNLOCK(inp); 3712 } else { 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3714 error = EINVAL; 3715 } 3716 } 3717 if (error == 0) { 3718 *optsize = sizeof(struct sctp_assoc_value); 3719 } 3720 break; 3721 } 3722 default: 3723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3724 error = ENOPROTOOPT; 3725 break; 3726 } /* end switch (sopt->sopt_name) */ 3727 if (error) { 3728 *optsize = 0; 3729 } 3730 return (error); 3731} 3732 3733static int 3734sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3735 void *p) 3736{ 3737 int error, set_opt; 3738 uint32_t *mopt; 3739 struct sctp_tcb *stcb = NULL; 3740 struct sctp_inpcb *inp = NULL; 3741 uint32_t vrf_id; 3742 3743 if (optval == NULL) { 3744 SCTP_PRINTF("optval is NULL\n"); 3745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3746 return (EINVAL); 3747 } 3748 inp = (struct sctp_inpcb *)so->so_pcb; 3749 if (inp == NULL) { 3750 SCTP_PRINTF("inp is NULL?\n"); 3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3752 return (EINVAL); 3753 } 3754 vrf_id = inp->def_vrf_id; 3755 3756 error = 0; 3757 switch (optname) { 3758 case SCTP_NODELAY: 3759 case SCTP_AUTOCLOSE: 3760 case SCTP_AUTO_ASCONF: 3761 case SCTP_EXPLICIT_EOR: 3762 case SCTP_DISABLE_FRAGMENTS: 3763 case SCTP_USE_EXT_RCVINFO: 3764 case SCTP_I_WANT_MAPPED_V4_ADDR: 3765 /* copy in the option value */ 3766 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3767 set_opt = 0; 3768 if (error) 3769 break; 3770 switch (optname) { 3771 case SCTP_DISABLE_FRAGMENTS: 3772 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3773 break; 3774 case SCTP_AUTO_ASCONF: 3775 /* 3776 * NOTE: we don't really support this flag 3777 */ 3778 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3779 /* only valid for bound all sockets */ 3780 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3781 (*mopt != 0)) { 3782 /* forbidden by admin */ 3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3784 return (EPERM); 3785 } 3786 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3787 } else { 3788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3789 return (EINVAL); 3790 } 3791 break; 3792 case SCTP_EXPLICIT_EOR: 3793 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3794 break; 3795 case SCTP_USE_EXT_RCVINFO: 3796 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3797 break; 3798 case SCTP_I_WANT_MAPPED_V4_ADDR: 3799 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3800 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3801 } else { 3802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3803 return (EINVAL); 3804 } 3805 break; 3806 case SCTP_NODELAY: 3807 set_opt = SCTP_PCB_FLAGS_NODELAY; 3808 break; 3809 case SCTP_AUTOCLOSE: 3810 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3811 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3813 return (EINVAL); 3814 } 3815 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3816 /* 3817 * The value is in ticks. Note this does not effect 3818 * old associations, only new ones. 3819 */ 3820 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3821 break; 3822 } 3823 SCTP_INP_WLOCK(inp); 3824 if (*mopt != 0) { 3825 sctp_feature_on(inp, set_opt); 3826 } else { 3827 sctp_feature_off(inp, set_opt); 3828 } 3829 SCTP_INP_WUNLOCK(inp); 3830 break; 3831 case SCTP_REUSE_PORT: 3832 { 3833 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3835 /* Can't set it after we are bound */ 3836 error = EINVAL; 3837 break; 3838 } 3839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3840 /* Can't do this for a 1-m socket */ 3841 error = EINVAL; 3842 break; 3843 } 3844 if (optval) 3845 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3846 else 3847 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3848 break; 3849 } 3850 case SCTP_PARTIAL_DELIVERY_POINT: 3851 { 3852 uint32_t *value; 3853 3854 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3855 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3857 error = EINVAL; 3858 break; 3859 } 3860 inp->partial_delivery_point = *value; 3861 break; 3862 } 3863 case SCTP_FRAGMENT_INTERLEAVE: 3864 /* not yet until we re-write sctp_recvmsg() */ 3865 { 3866 uint32_t *level; 3867 3868 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3869 if (*level == SCTP_FRAG_LEVEL_2) { 3870 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3871 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3872 } else if (*level == SCTP_FRAG_LEVEL_1) { 3873 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3874 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3875 } else if (*level == SCTP_FRAG_LEVEL_0) { 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3877 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3878 3879 } else { 3880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3881 error = EINVAL; 3882 } 3883 break; 3884 } 3885 case SCTP_CMT_ON_OFF: 3886 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3887 struct sctp_assoc_value *av; 3888 3889 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3890 if (av->assoc_value > SCTP_CMT_MAX) { 3891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3892 error = EINVAL; 3893 break; 3894 } 3895 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3896 if (stcb) { 3897 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3898 SCTP_TCB_UNLOCK(stcb); 3899 } else { 3900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3901 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3902 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3903 (av->assoc_id == SCTP_ALL_ASSOC)) { 3904 SCTP_INP_WLOCK(inp); 3905 inp->sctp_cmt_on_off = av->assoc_value; 3906 SCTP_INP_WUNLOCK(inp); 3907 } 3908 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3909 (av->assoc_id == SCTP_ALL_ASSOC)) { 3910 SCTP_INP_RLOCK(inp); 3911 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3912 SCTP_TCB_LOCK(stcb); 3913 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3914 SCTP_TCB_UNLOCK(stcb); 3915 } 3916 SCTP_INP_RUNLOCK(inp); 3917 } 3918 } 3919 } else { 3920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3921 error = ENOPROTOOPT; 3922 } 3923 break; 3924 case SCTP_PLUGGABLE_CC: 3925 { 3926 struct sctp_assoc_value *av; 3927 struct sctp_nets *net; 3928 3929 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3930 if ((av->assoc_value != SCTP_CC_RFC2581) && 3931 (av->assoc_value != SCTP_CC_HSTCP) && 3932 (av->assoc_value != SCTP_CC_HTCP) && 3933 (av->assoc_value != SCTP_CC_RTCC)) { 3934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3935 error = EINVAL; 3936 break; 3937 } 3938 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3939 if (stcb) { 3940 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3941 stcb->asoc.congestion_control_module = av->assoc_value; 3942 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3943 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3944 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3945 } 3946 } 3947 SCTP_TCB_UNLOCK(stcb); 3948 } else { 3949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3951 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3952 (av->assoc_id == SCTP_ALL_ASSOC)) { 3953 SCTP_INP_WLOCK(inp); 3954 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3955 SCTP_INP_WUNLOCK(inp); 3956 } 3957 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3958 (av->assoc_id == SCTP_ALL_ASSOC)) { 3959 SCTP_INP_RLOCK(inp); 3960 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3961 SCTP_TCB_LOCK(stcb); 3962 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3963 stcb->asoc.congestion_control_module = av->assoc_value; 3964 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3965 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3966 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3967 } 3968 } 3969 SCTP_TCB_UNLOCK(stcb); 3970 } 3971 SCTP_INP_RUNLOCK(inp); 3972 } 3973 } 3974 break; 3975 } 3976 case SCTP_CC_OPTION: 3977 { 3978 struct sctp_cc_option *cc_opt; 3979 3980 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3981 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3982 if (stcb == NULL) { 3983 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3984 SCTP_INP_RLOCK(inp); 3985 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3986 SCTP_TCB_LOCK(stcb); 3987 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3988 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3989 } 3990 SCTP_TCB_UNLOCK(stcb); 3991 } 3992 SCTP_INP_RUNLOCK(inp); 3993 } else { 3994 error = EINVAL; 3995 } 3996 } else { 3997 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3998 error = ENOTSUP; 3999 } else { 4000 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4001 cc_opt); 4002 } 4003 SCTP_TCB_UNLOCK(stcb); 4004 } 4005 break; 4006 } 4007 case SCTP_PLUGGABLE_SS: 4008 { 4009 struct sctp_assoc_value *av; 4010 4011 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4012 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4013 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4014 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4015 (av->assoc_value != SCTP_SS_PRIORITY) && 4016 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4017 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4019 error = EINVAL; 4020 break; 4021 } 4022 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4023 if (stcb) { 4024 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4025 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4026 stcb->asoc.stream_scheduling_module = av->assoc_value; 4027 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4028 SCTP_TCB_UNLOCK(stcb); 4029 } else { 4030 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4031 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4032 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4033 (av->assoc_id == SCTP_ALL_ASSOC)) { 4034 SCTP_INP_WLOCK(inp); 4035 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4036 SCTP_INP_WUNLOCK(inp); 4037 } 4038 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4039 (av->assoc_id == SCTP_ALL_ASSOC)) { 4040 SCTP_INP_RLOCK(inp); 4041 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4042 SCTP_TCB_LOCK(stcb); 4043 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4044 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4045 stcb->asoc.stream_scheduling_module = av->assoc_value; 4046 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4047 SCTP_TCB_UNLOCK(stcb); 4048 } 4049 SCTP_INP_RUNLOCK(inp); 4050 } 4051 } 4052 break; 4053 } 4054 case SCTP_SS_VALUE: 4055 { 4056 struct sctp_stream_value *av; 4057 4058 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4059 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4060 if (stcb) { 4061 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4062 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4063 av->stream_value) < 0)) { 4064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4065 error = EINVAL; 4066 } 4067 SCTP_TCB_UNLOCK(stcb); 4068 } else { 4069 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4070 SCTP_INP_RLOCK(inp); 4071 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4072 SCTP_TCB_LOCK(stcb); 4073 if (av->stream_id < stcb->asoc.streamoutcnt) { 4074 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4075 &stcb->asoc, 4076 &stcb->asoc.strmout[av->stream_id], 4077 av->stream_value); 4078 } 4079 SCTP_TCB_UNLOCK(stcb); 4080 } 4081 SCTP_INP_RUNLOCK(inp); 4082 } else { 4083 /* 4084 * Can't set stream value without 4085 * association 4086 */ 4087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4088 error = EINVAL; 4089 } 4090 } 4091 break; 4092 } 4093 case SCTP_CLR_STAT_LOG: 4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4095 error = EOPNOTSUPP; 4096 break; 4097 case SCTP_CONTEXT: 4098 { 4099 struct sctp_assoc_value *av; 4100 4101 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4102 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4103 4104 if (stcb) { 4105 stcb->asoc.context = av->assoc_value; 4106 SCTP_TCB_UNLOCK(stcb); 4107 } else { 4108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4109 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4110 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4111 (av->assoc_id == SCTP_ALL_ASSOC)) { 4112 SCTP_INP_WLOCK(inp); 4113 inp->sctp_context = av->assoc_value; 4114 SCTP_INP_WUNLOCK(inp); 4115 } 4116 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4117 (av->assoc_id == SCTP_ALL_ASSOC)) { 4118 SCTP_INP_RLOCK(inp); 4119 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4120 SCTP_TCB_LOCK(stcb); 4121 stcb->asoc.context = av->assoc_value; 4122 SCTP_TCB_UNLOCK(stcb); 4123 } 4124 SCTP_INP_RUNLOCK(inp); 4125 } 4126 } 4127 break; 4128 } 4129 case SCTP_VRF_ID: 4130 { 4131 uint32_t *default_vrfid; 4132 4133 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4134 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4136 error = EINVAL; 4137 break; 4138 } 4139 inp->def_vrf_id = *default_vrfid; 4140 break; 4141 } 4142 case SCTP_DEL_VRF_ID: 4143 { 4144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4145 error = EOPNOTSUPP; 4146 break; 4147 } 4148 case SCTP_ADD_VRF_ID: 4149 { 4150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4151 error = EOPNOTSUPP; 4152 break; 4153 } 4154 case SCTP_DELAYED_SACK: 4155 { 4156 struct sctp_sack_info *sack; 4157 4158 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4159 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4160 if (sack->sack_delay) { 4161 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4162 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4163 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4164 sack->sack_delay = TICKS_TO_MSEC(1); 4165 } 4166 } 4167 if (stcb) { 4168 if (sack->sack_delay) { 4169 stcb->asoc.delayed_ack = sack->sack_delay; 4170 } 4171 if (sack->sack_freq) { 4172 stcb->asoc.sack_freq = sack->sack_freq; 4173 } 4174 SCTP_TCB_UNLOCK(stcb); 4175 } else { 4176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4177 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4178 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4179 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4180 SCTP_INP_WLOCK(inp); 4181 if (sack->sack_delay) { 4182 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4183 } 4184 if (sack->sack_freq) { 4185 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4186 } 4187 SCTP_INP_WUNLOCK(inp); 4188 } 4189 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4190 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4191 SCTP_INP_RLOCK(inp); 4192 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4193 SCTP_TCB_LOCK(stcb); 4194 if (sack->sack_delay) { 4195 stcb->asoc.delayed_ack = sack->sack_delay; 4196 } 4197 if (sack->sack_freq) { 4198 stcb->asoc.sack_freq = sack->sack_freq; 4199 } 4200 SCTP_TCB_UNLOCK(stcb); 4201 } 4202 SCTP_INP_RUNLOCK(inp); 4203 } 4204 } 4205 break; 4206 } 4207 case SCTP_AUTH_CHUNK: 4208 { 4209 struct sctp_authchunk *sauth; 4210 4211 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4212 4213 SCTP_INP_WLOCK(inp); 4214 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4216 error = EINVAL; 4217 } 4218 SCTP_INP_WUNLOCK(inp); 4219 break; 4220 } 4221 case SCTP_AUTH_KEY: 4222 { 4223 struct sctp_authkey *sca; 4224 struct sctp_keyhead *shared_keys; 4225 sctp_sharedkey_t *shared_key; 4226 sctp_key_t *key = NULL; 4227 size_t size; 4228 4229 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4230 if (sca->sca_keylength == 0) { 4231 size = optsize - sizeof(struct sctp_authkey); 4232 } else { 4233 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4234 size = sca->sca_keylength; 4235 } else { 4236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4237 error = EINVAL; 4238 break; 4239 } 4240 } 4241 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4242 4243 if (stcb) { 4244 shared_keys = &stcb->asoc.shared_keys; 4245 /* clear the cached keys for this key id */ 4246 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4247 /* 4248 * create the new shared key and 4249 * insert/replace it 4250 */ 4251 if (size > 0) { 4252 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4253 if (key == NULL) { 4254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4255 error = ENOMEM; 4256 SCTP_TCB_UNLOCK(stcb); 4257 break; 4258 } 4259 } 4260 shared_key = sctp_alloc_sharedkey(); 4261 if (shared_key == NULL) { 4262 sctp_free_key(key); 4263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4264 error = ENOMEM; 4265 SCTP_TCB_UNLOCK(stcb); 4266 break; 4267 } 4268 shared_key->key = key; 4269 shared_key->keyid = sca->sca_keynumber; 4270 error = sctp_insert_sharedkey(shared_keys, shared_key); 4271 SCTP_TCB_UNLOCK(stcb); 4272 } else { 4273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4274 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4275 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4276 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4277 SCTP_INP_WLOCK(inp); 4278 shared_keys = &inp->sctp_ep.shared_keys; 4279 /* 4280 * clear the cached keys on all 4281 * assocs for this key id 4282 */ 4283 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4284 /* 4285 * create the new shared key and 4286 * insert/replace it 4287 */ 4288 if (size > 0) { 4289 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4290 if (key == NULL) { 4291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4292 error = ENOMEM; 4293 SCTP_INP_WUNLOCK(inp); 4294 break; 4295 } 4296 } 4297 shared_key = sctp_alloc_sharedkey(); 4298 if (shared_key == NULL) { 4299 sctp_free_key(key); 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4301 error = ENOMEM; 4302 SCTP_INP_WUNLOCK(inp); 4303 break; 4304 } 4305 shared_key->key = key; 4306 shared_key->keyid = sca->sca_keynumber; 4307 error = sctp_insert_sharedkey(shared_keys, shared_key); 4308 SCTP_INP_WUNLOCK(inp); 4309 } 4310 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4311 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4312 SCTP_INP_RLOCK(inp); 4313 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4314 SCTP_TCB_LOCK(stcb); 4315 shared_keys = &stcb->asoc.shared_keys; 4316 /* 4317 * clear the cached keys for 4318 * this key id 4319 */ 4320 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4321 /* 4322 * create the new shared key 4323 * and insert/replace it 4324 */ 4325 if (size > 0) { 4326 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4327 if (key == NULL) { 4328 SCTP_TCB_UNLOCK(stcb); 4329 continue; 4330 } 4331 } 4332 shared_key = sctp_alloc_sharedkey(); 4333 if (shared_key == NULL) { 4334 sctp_free_key(key); 4335 SCTP_TCB_UNLOCK(stcb); 4336 continue; 4337 } 4338 shared_key->key = key; 4339 shared_key->keyid = sca->sca_keynumber; 4340 error = sctp_insert_sharedkey(shared_keys, shared_key); 4341 SCTP_TCB_UNLOCK(stcb); 4342 } 4343 SCTP_INP_RUNLOCK(inp); 4344 } 4345 } 4346 break; 4347 } 4348 case SCTP_HMAC_IDENT: 4349 { 4350 struct sctp_hmacalgo *shmac; 4351 sctp_hmaclist_t *hmaclist; 4352 uint16_t hmacid; 4353 uint32_t i; 4354 4355 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4356 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4357 (shmac->shmac_number_of_idents > 0xffff)) { 4358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4359 error = EINVAL; 4360 break; 4361 } 4362 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4363 if (hmaclist == NULL) { 4364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4365 error = ENOMEM; 4366 break; 4367 } 4368 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4369 hmacid = shmac->shmac_idents[i]; 4370 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4371 /* invalid HMACs were found */ ; 4372 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4373 error = EINVAL; 4374 sctp_free_hmaclist(hmaclist); 4375 goto sctp_set_hmac_done; 4376 } 4377 } 4378 for (i = 0; i < hmaclist->num_algo; i++) { 4379 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4380 /* already in list */ 4381 break; 4382 } 4383 } 4384 if (i == hmaclist->num_algo) { 4385 /* not found in list */ 4386 sctp_free_hmaclist(hmaclist); 4387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4388 error = EINVAL; 4389 break; 4390 } 4391 /* set it on the endpoint */ 4392 SCTP_INP_WLOCK(inp); 4393 if (inp->sctp_ep.local_hmacs) 4394 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4395 inp->sctp_ep.local_hmacs = hmaclist; 4396 SCTP_INP_WUNLOCK(inp); 4397 sctp_set_hmac_done: 4398 break; 4399 } 4400 case SCTP_AUTH_ACTIVE_KEY: 4401 { 4402 struct sctp_authkeyid *scact; 4403 4404 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4405 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4406 4407 /* set the active key on the right place */ 4408 if (stcb) { 4409 /* set the active key on the assoc */ 4410 if (sctp_auth_setactivekey(stcb, 4411 scact->scact_keynumber)) { 4412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4413 SCTP_FROM_SCTP_USRREQ, 4414 EINVAL); 4415 error = EINVAL; 4416 } 4417 SCTP_TCB_UNLOCK(stcb); 4418 } else { 4419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4420 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4421 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4422 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4423 SCTP_INP_WLOCK(inp); 4424 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4426 error = EINVAL; 4427 } 4428 SCTP_INP_WUNLOCK(inp); 4429 } 4430 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4431 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4432 SCTP_INP_RLOCK(inp); 4433 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4434 SCTP_TCB_LOCK(stcb); 4435 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4436 SCTP_TCB_UNLOCK(stcb); 4437 } 4438 SCTP_INP_RUNLOCK(inp); 4439 } 4440 } 4441 break; 4442 } 4443 case SCTP_AUTH_DELETE_KEY: 4444 { 4445 struct sctp_authkeyid *scdel; 4446 4447 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4448 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4449 4450 /* delete the key from the right place */ 4451 if (stcb) { 4452 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4454 error = EINVAL; 4455 } 4456 SCTP_TCB_UNLOCK(stcb); 4457 } else { 4458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4459 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4460 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4461 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4462 SCTP_INP_WLOCK(inp); 4463 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4465 error = EINVAL; 4466 } 4467 SCTP_INP_WUNLOCK(inp); 4468 } 4469 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4470 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4471 SCTP_INP_RLOCK(inp); 4472 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4473 SCTP_TCB_LOCK(stcb); 4474 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4475 SCTP_TCB_UNLOCK(stcb); 4476 } 4477 SCTP_INP_RUNLOCK(inp); 4478 } 4479 } 4480 break; 4481 } 4482 case SCTP_AUTH_DEACTIVATE_KEY: 4483 { 4484 struct sctp_authkeyid *keyid; 4485 4486 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4487 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4488 4489 /* deactivate the key from the right place */ 4490 if (stcb) { 4491 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4493 error = EINVAL; 4494 } 4495 SCTP_TCB_UNLOCK(stcb); 4496 } else { 4497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4498 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4499 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4500 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4501 SCTP_INP_WLOCK(inp); 4502 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4504 error = EINVAL; 4505 } 4506 SCTP_INP_WUNLOCK(inp); 4507 } 4508 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4509 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4510 SCTP_INP_RLOCK(inp); 4511 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4512 SCTP_TCB_LOCK(stcb); 4513 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4514 SCTP_TCB_UNLOCK(stcb); 4515 } 4516 SCTP_INP_RUNLOCK(inp); 4517 } 4518 } 4519 break; 4520 } 4521 case SCTP_ENABLE_STREAM_RESET: 4522 { 4523 struct sctp_assoc_value *av; 4524 4525 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4526 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4528 error = EINVAL; 4529 break; 4530 } 4531 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4532 if (stcb) { 4533 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4534 SCTP_TCB_UNLOCK(stcb); 4535 } else { 4536 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4537 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4538 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4539 (av->assoc_id == SCTP_ALL_ASSOC)) { 4540 SCTP_INP_WLOCK(inp); 4541 inp->local_strreset_support = (uint8_t) av->assoc_value; 4542 SCTP_INP_WUNLOCK(inp); 4543 } 4544 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4545 (av->assoc_id == SCTP_ALL_ASSOC)) { 4546 SCTP_INP_RLOCK(inp); 4547 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4548 SCTP_TCB_LOCK(stcb); 4549 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4550 SCTP_TCB_UNLOCK(stcb); 4551 } 4552 SCTP_INP_RUNLOCK(inp); 4553 } 4554 } 4555 break; 4556 } 4557 case SCTP_RESET_STREAMS: 4558 { 4559 struct sctp_reset_streams *strrst; 4560 int i, send_out = 0; 4561 int send_in = 0; 4562 4563 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4564 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4565 if (stcb == NULL) { 4566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4567 error = ENOENT; 4568 break; 4569 } 4570 if (stcb->asoc.reconfig_supported == 0) { 4571 /* 4572 * Peer does not support the chunk type. 4573 */ 4574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4575 error = EOPNOTSUPP; 4576 SCTP_TCB_UNLOCK(stcb); 4577 break; 4578 } 4579 if (sizeof(struct sctp_reset_streams) + 4580 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4581 error = EINVAL; 4582 SCTP_TCB_UNLOCK(stcb); 4583 break; 4584 } 4585 if (stcb->asoc.stream_reset_outstanding) { 4586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4587 error = EALREADY; 4588 SCTP_TCB_UNLOCK(stcb); 4589 break; 4590 } 4591 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4592 send_in = 1; 4593 } 4594 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4595 send_out = 1; 4596 } 4597 if ((send_in == 0) && (send_out == 0)) { 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4599 error = EINVAL; 4600 SCTP_TCB_UNLOCK(stcb); 4601 break; 4602 } 4603 for (i = 0; i < strrst->srs_number_streams; i++) { 4604 if ((send_in) && 4605 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4607 error = EINVAL; 4608 break; 4609 } 4610 if ((send_out) && 4611 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4613 error = EINVAL; 4614 break; 4615 } 4616 } 4617 if (error) { 4618 SCTP_TCB_UNLOCK(stcb); 4619 break; 4620 } 4621 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4622 strrst->srs_stream_list, 4623 send_out, send_in, 0, 0, 0, 0, 0); 4624 4625 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4626 SCTP_TCB_UNLOCK(stcb); 4627 break; 4628 } 4629 case SCTP_ADD_STREAMS: 4630 { 4631 struct sctp_add_streams *stradd; 4632 uint8_t addstream = 0; 4633 uint16_t add_o_strmcnt = 0; 4634 uint16_t add_i_strmcnt = 0; 4635 4636 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4637 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4638 if (stcb == NULL) { 4639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4640 error = ENOENT; 4641 break; 4642 } 4643 if (stcb->asoc.reconfig_supported == 0) { 4644 /* 4645 * Peer does not support the chunk type. 4646 */ 4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4648 error = EOPNOTSUPP; 4649 SCTP_TCB_UNLOCK(stcb); 4650 break; 4651 } 4652 if (stcb->asoc.stream_reset_outstanding) { 4653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4654 error = EALREADY; 4655 SCTP_TCB_UNLOCK(stcb); 4656 break; 4657 } 4658 if ((stradd->sas_outstrms == 0) && 4659 (stradd->sas_instrms == 0)) { 4660 error = EINVAL; 4661 goto skip_stuff; 4662 } 4663 if (stradd->sas_outstrms) { 4664 addstream = 1; 4665 /* We allocate here */ 4666 add_o_strmcnt = stradd->sas_outstrms; 4667 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4668 /* You can't have more than 64k */ 4669 error = EINVAL; 4670 goto skip_stuff; 4671 } 4672 } 4673 if (stradd->sas_instrms) { 4674 int cnt; 4675 4676 addstream |= 2; 4677 /* 4678 * We allocate inside 4679 * sctp_send_str_reset_req() 4680 */ 4681 add_i_strmcnt = stradd->sas_instrms; 4682 cnt = add_i_strmcnt; 4683 cnt += stcb->asoc.streamincnt; 4684 if (cnt > 0x0000ffff) { 4685 /* You can't have more than 64k */ 4686 error = EINVAL; 4687 goto skip_stuff; 4688 } 4689 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4690 /* More than you are allowed */ 4691 error = EINVAL; 4692 goto skip_stuff; 4693 } 4694 } 4695 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4696 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4697 skip_stuff: 4698 SCTP_TCB_UNLOCK(stcb); 4699 break; 4700 } 4701 case SCTP_RESET_ASSOC: 4702 { 4703 uint32_t *value; 4704 4705 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4706 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4707 if (stcb == NULL) { 4708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4709 error = ENOENT; 4710 break; 4711 } 4712 if (stcb->asoc.reconfig_supported == 0) { 4713 /* 4714 * Peer does not support the chunk type. 4715 */ 4716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4717 error = EOPNOTSUPP; 4718 SCTP_TCB_UNLOCK(stcb); 4719 break; 4720 } 4721 if (stcb->asoc.stream_reset_outstanding) { 4722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4723 error = EALREADY; 4724 SCTP_TCB_UNLOCK(stcb); 4725 break; 4726 } 4727 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4728 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4729 SCTP_TCB_UNLOCK(stcb); 4730 break; 4731 } 4732 case SCTP_CONNECT_X: 4733 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4735 error = EINVAL; 4736 break; 4737 } 4738 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4739 break; 4740 case SCTP_CONNECT_X_DELAYED: 4741 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4743 error = EINVAL; 4744 break; 4745 } 4746 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4747 break; 4748 case SCTP_CONNECT_X_COMPLETE: 4749 { 4750 struct sockaddr *sa; 4751 4752 /* FIXME MT: check correct? */ 4753 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4754 4755 /* find tcb */ 4756 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4757 SCTP_INP_RLOCK(inp); 4758 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4759 if (stcb) { 4760 SCTP_TCB_LOCK(stcb); 4761 } 4762 SCTP_INP_RUNLOCK(inp); 4763 } else { 4764 /* 4765 * We increment here since 4766 * sctp_findassociation_ep_addr() wil do a 4767 * decrement if it finds the stcb as long as 4768 * the locked tcb (last argument) is NOT a 4769 * TCB.. aka NULL. 4770 */ 4771 SCTP_INP_INCR_REF(inp); 4772 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4773 if (stcb == NULL) { 4774 SCTP_INP_DECR_REF(inp); 4775 } 4776 } 4777 4778 if (stcb == NULL) { 4779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4780 error = ENOENT; 4781 break; 4782 } 4783 if (stcb->asoc.delayed_connection == 1) { 4784 stcb->asoc.delayed_connection = 0; 4785 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4786 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4787 stcb->asoc.primary_destination, 4788 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4789 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4790 } else { 4791 /* 4792 * already expired or did not use delayed 4793 * connectx 4794 */ 4795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4796 error = EALREADY; 4797 } 4798 SCTP_TCB_UNLOCK(stcb); 4799 break; 4800 } 4801 case SCTP_MAX_BURST: 4802 { 4803 struct sctp_assoc_value *av; 4804 4805 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4806 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4807 4808 if (stcb) { 4809 stcb->asoc.max_burst = av->assoc_value; 4810 SCTP_TCB_UNLOCK(stcb); 4811 } else { 4812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4813 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4814 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4815 (av->assoc_id == SCTP_ALL_ASSOC)) { 4816 SCTP_INP_WLOCK(inp); 4817 inp->sctp_ep.max_burst = av->assoc_value; 4818 SCTP_INP_WUNLOCK(inp); 4819 } 4820 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4821 (av->assoc_id == SCTP_ALL_ASSOC)) { 4822 SCTP_INP_RLOCK(inp); 4823 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4824 SCTP_TCB_LOCK(stcb); 4825 stcb->asoc.max_burst = av->assoc_value; 4826 SCTP_TCB_UNLOCK(stcb); 4827 } 4828 SCTP_INP_RUNLOCK(inp); 4829 } 4830 } 4831 break; 4832 } 4833 case SCTP_MAXSEG: 4834 { 4835 struct sctp_assoc_value *av; 4836 int ovh; 4837 4838 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4839 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4840 4841 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4842 ovh = SCTP_MED_OVERHEAD; 4843 } else { 4844 ovh = SCTP_MED_V4_OVERHEAD; 4845 } 4846 if (stcb) { 4847 if (av->assoc_value) { 4848 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4849 } else { 4850 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4851 } 4852 SCTP_TCB_UNLOCK(stcb); 4853 } else { 4854 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4855 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4856 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4857 SCTP_INP_WLOCK(inp); 4858 /* 4859 * FIXME MT: I think this is not in 4860 * tune with the API ID 4861 */ 4862 if (av->assoc_value) { 4863 inp->sctp_frag_point = (av->assoc_value + ovh); 4864 } else { 4865 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4866 } 4867 SCTP_INP_WUNLOCK(inp); 4868 } else { 4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4870 error = EINVAL; 4871 } 4872 } 4873 break; 4874 } 4875 case SCTP_EVENTS: 4876 { 4877 struct sctp_event_subscribe *events; 4878 4879 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4880 4881 SCTP_INP_WLOCK(inp); 4882 if (events->sctp_data_io_event) { 4883 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4884 } else { 4885 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4886 } 4887 4888 if (events->sctp_association_event) { 4889 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4890 } else { 4891 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4892 } 4893 4894 if (events->sctp_address_event) { 4895 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4896 } else { 4897 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4898 } 4899 4900 if (events->sctp_send_failure_event) { 4901 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4902 } else { 4903 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4904 } 4905 4906 if (events->sctp_peer_error_event) { 4907 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4908 } else { 4909 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4910 } 4911 4912 if (events->sctp_shutdown_event) { 4913 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4914 } else { 4915 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4916 } 4917 4918 if (events->sctp_partial_delivery_event) { 4919 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4920 } else { 4921 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4922 } 4923 4924 if (events->sctp_adaptation_layer_event) { 4925 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4926 } else { 4927 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4928 } 4929 4930 if (events->sctp_authentication_event) { 4931 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4932 } else { 4933 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4934 } 4935 4936 if (events->sctp_sender_dry_event) { 4937 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4938 } else { 4939 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4940 } 4941 4942 if (events->sctp_stream_reset_event) { 4943 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4944 } else { 4945 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4946 } 4947 SCTP_INP_WUNLOCK(inp); 4948 4949 SCTP_INP_RLOCK(inp); 4950 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4951 SCTP_TCB_LOCK(stcb); 4952 if (events->sctp_association_event) { 4953 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4954 } else { 4955 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4956 } 4957 if (events->sctp_address_event) { 4958 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4959 } else { 4960 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4961 } 4962 if (events->sctp_send_failure_event) { 4963 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4964 } else { 4965 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4966 } 4967 if (events->sctp_peer_error_event) { 4968 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4969 } else { 4970 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4971 } 4972 if (events->sctp_shutdown_event) { 4973 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4974 } else { 4975 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4976 } 4977 if (events->sctp_partial_delivery_event) { 4978 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4979 } else { 4980 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4981 } 4982 if (events->sctp_adaptation_layer_event) { 4983 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4984 } else { 4985 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4986 } 4987 if (events->sctp_authentication_event) { 4988 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4989 } else { 4990 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4991 } 4992 if (events->sctp_sender_dry_event) { 4993 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4994 } else { 4995 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4996 } 4997 if (events->sctp_stream_reset_event) { 4998 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4999 } else { 5000 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5001 } 5002 SCTP_TCB_UNLOCK(stcb); 5003 } 5004 /* 5005 * Send up the sender dry event only for 1-to-1 5006 * style sockets. 5007 */ 5008 if (events->sctp_sender_dry_event) { 5009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5010 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5011 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5012 if (stcb) { 5013 SCTP_TCB_LOCK(stcb); 5014 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5015 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5016 (stcb->asoc.stream_queue_cnt == 0)) { 5017 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5018 } 5019 SCTP_TCB_UNLOCK(stcb); 5020 } 5021 } 5022 } 5023 SCTP_INP_RUNLOCK(inp); 5024 break; 5025 } 5026 case SCTP_ADAPTATION_LAYER: 5027 { 5028 struct sctp_setadaptation *adap_bits; 5029 5030 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5031 SCTP_INP_WLOCK(inp); 5032 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5033 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5034 SCTP_INP_WUNLOCK(inp); 5035 break; 5036 } 5037#ifdef SCTP_DEBUG 5038 case SCTP_SET_INITIAL_DBG_SEQ: 5039 { 5040 uint32_t *vvv; 5041 5042 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5043 SCTP_INP_WLOCK(inp); 5044 inp->sctp_ep.initial_sequence_debug = *vvv; 5045 SCTP_INP_WUNLOCK(inp); 5046 break; 5047 } 5048#endif 5049 case SCTP_DEFAULT_SEND_PARAM: 5050 { 5051 struct sctp_sndrcvinfo *s_info; 5052 5053 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5054 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5055 5056 if (stcb) { 5057 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5058 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 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 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5068 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5069 SCTP_INP_WLOCK(inp); 5070 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5071 SCTP_INP_WUNLOCK(inp); 5072 } 5073 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5074 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5075 SCTP_INP_RLOCK(inp); 5076 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5077 SCTP_TCB_LOCK(stcb); 5078 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5079 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5080 } 5081 SCTP_TCB_UNLOCK(stcb); 5082 } 5083 SCTP_INP_RUNLOCK(inp); 5084 } 5085 } 5086 break; 5087 } 5088 case SCTP_PEER_ADDR_PARAMS: 5089 { 5090 struct sctp_paddrparams *paddrp; 5091 struct sctp_nets *net; 5092 struct sockaddr *addr; 5093 5094#if defined(INET) && defined(INET6) 5095 struct sockaddr_in sin_store; 5096 5097#endif 5098 5099 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5100 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5101 5102#if defined(INET) && defined(INET6) 5103 if (paddrp->spp_address.ss_family == AF_INET6) { 5104 struct sockaddr_in6 *sin6; 5105 5106 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5107 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5108 in6_sin6_2_sin(&sin_store, sin6); 5109 addr = (struct sockaddr *)&sin_store; 5110 } else { 5111 addr = (struct sockaddr *)&paddrp->spp_address; 5112 } 5113 } else { 5114 addr = (struct sockaddr *)&paddrp->spp_address; 5115 } 5116#else 5117 addr = (struct sockaddr *)&paddrp->spp_address; 5118#endif 5119 if (stcb != NULL) { 5120 net = sctp_findnet(stcb, addr); 5121 } else { 5122 /* 5123 * We increment here since 5124 * sctp_findassociation_ep_addr() wil do a 5125 * decrement if it finds the stcb as long as 5126 * the locked tcb (last argument) is NOT a 5127 * TCB.. aka NULL. 5128 */ 5129 net = NULL; 5130 SCTP_INP_INCR_REF(inp); 5131 stcb = sctp_findassociation_ep_addr(&inp, addr, 5132 &net, NULL, NULL); 5133 if (stcb == NULL) { 5134 SCTP_INP_DECR_REF(inp); 5135 } 5136 } 5137 if ((stcb != NULL) && (net == NULL)) { 5138#ifdef INET 5139 if (addr->sa_family == AF_INET) { 5140 5141 struct sockaddr_in *sin; 5142 5143 sin = (struct sockaddr_in *)addr; 5144 if (sin->sin_addr.s_addr != INADDR_ANY) { 5145 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5146 SCTP_TCB_UNLOCK(stcb); 5147 error = EINVAL; 5148 break; 5149 } 5150 } else 5151#endif 5152#ifdef INET6 5153 if (addr->sa_family == AF_INET6) { 5154 struct sockaddr_in6 *sin6; 5155 5156 sin6 = (struct sockaddr_in6 *)addr; 5157 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5159 SCTP_TCB_UNLOCK(stcb); 5160 error = EINVAL; 5161 break; 5162 } 5163 } else 5164#endif 5165 { 5166 error = EAFNOSUPPORT; 5167 SCTP_TCB_UNLOCK(stcb); 5168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5169 break; 5170 } 5171 } 5172 /* sanity checks */ 5173 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5174 if (stcb) 5175 SCTP_TCB_UNLOCK(stcb); 5176 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5177 return (EINVAL); 5178 } 5179 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5180 if (stcb) 5181 SCTP_TCB_UNLOCK(stcb); 5182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5183 return (EINVAL); 5184 } 5185 if (stcb != NULL) { 5186 /************************TCB SPECIFIC SET ******************/ 5187 /* 5188 * do we change the timer for HB, we run 5189 * only one? 5190 */ 5191 int ovh = 0; 5192 5193 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5194 ovh = SCTP_MED_OVERHEAD; 5195 } else { 5196 ovh = SCTP_MED_V4_OVERHEAD; 5197 } 5198 5199 /* network sets ? */ 5200 if (net != NULL) { 5201 /************************NET SPECIFIC SET ******************/ 5202 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5203 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5204 !(net->dest_state & SCTP_ADDR_NOHB)) { 5205 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5206 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5207 } 5208 net->dest_state |= SCTP_ADDR_NOHB; 5209 } 5210 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5211 if (paddrp->spp_hbinterval) { 5212 net->heart_beat_delay = paddrp->spp_hbinterval; 5213 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5214 net->heart_beat_delay = 0; 5215 } 5216 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5217 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5218 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5219 net->dest_state &= ~SCTP_ADDR_NOHB; 5220 } 5221 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5222 /* on demand HB */ 5223 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5224 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5225 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5226 } 5227 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5228 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5229 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5230 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5231 } 5232 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5233 net->mtu = paddrp->spp_pathmtu + ovh; 5234 if (net->mtu < stcb->asoc.smallest_mtu) { 5235 sctp_pathmtu_adjustment(stcb, net->mtu); 5236 } 5237 } 5238 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5239 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5240 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5241 } 5242 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5243 } 5244 if (paddrp->spp_pathmaxrxt) { 5245 if (net->dest_state & SCTP_ADDR_PF) { 5246 if (net->error_count > paddrp->spp_pathmaxrxt) { 5247 net->dest_state &= ~SCTP_ADDR_PF; 5248 } 5249 } else { 5250 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5251 (net->error_count > net->pf_threshold)) { 5252 net->dest_state |= SCTP_ADDR_PF; 5253 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5254 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5255 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5256 } 5257 } 5258 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5259 if (net->error_count > paddrp->spp_pathmaxrxt) { 5260 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5261 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5262 } 5263 } else { 5264 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5265 net->dest_state |= SCTP_ADDR_REACHABLE; 5266 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5267 } 5268 } 5269 net->failure_threshold = paddrp->spp_pathmaxrxt; 5270 } 5271 if (paddrp->spp_flags & SPP_DSCP) { 5272 net->dscp = paddrp->spp_dscp & 0xfc; 5273 net->dscp |= 0x01; 5274 } 5275#ifdef INET6 5276 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5277 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5278 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5279 net->flowlabel |= 0x80000000; 5280 } 5281 } 5282#endif 5283 } else { 5284 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5285 if (paddrp->spp_pathmaxrxt != 0) { 5286 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5287 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5288 if (net->dest_state & SCTP_ADDR_PF) { 5289 if (net->error_count > paddrp->spp_pathmaxrxt) { 5290 net->dest_state &= ~SCTP_ADDR_PF; 5291 } 5292 } else { 5293 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5294 (net->error_count > net->pf_threshold)) { 5295 net->dest_state |= SCTP_ADDR_PF; 5296 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5297 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5298 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5299 } 5300 } 5301 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5302 if (net->error_count > paddrp->spp_pathmaxrxt) { 5303 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5304 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5305 } 5306 } else { 5307 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5308 net->dest_state |= SCTP_ADDR_REACHABLE; 5309 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5310 } 5311 } 5312 net->failure_threshold = paddrp->spp_pathmaxrxt; 5313 } 5314 } 5315 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5316 if (paddrp->spp_hbinterval != 0) { 5317 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5318 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5319 stcb->asoc.heart_beat_delay = 0; 5320 } 5321 /* Turn back on the timer */ 5322 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5323 if (paddrp->spp_hbinterval != 0) { 5324 net->heart_beat_delay = paddrp->spp_hbinterval; 5325 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5326 net->heart_beat_delay = 0; 5327 } 5328 if (net->dest_state & SCTP_ADDR_NOHB) { 5329 net->dest_state &= ~SCTP_ADDR_NOHB; 5330 } 5331 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5332 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5333 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5334 } 5335 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5336 } 5337 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5338 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5339 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5340 net->dest_state |= SCTP_ADDR_NOHB; 5341 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5342 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5343 } 5344 } 5345 } 5346 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5347 } 5348 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5349 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5350 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5351 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5353 } 5354 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5355 net->mtu = paddrp->spp_pathmtu + ovh; 5356 if (net->mtu < stcb->asoc.smallest_mtu) { 5357 sctp_pathmtu_adjustment(stcb, net->mtu); 5358 } 5359 } 5360 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5361 } 5362 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5363 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5364 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5365 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5366 } 5367 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5368 } 5369 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5370 } 5371 if (paddrp->spp_flags & SPP_DSCP) { 5372 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5373 net->dscp = paddrp->spp_dscp & 0xfc; 5374 net->dscp |= 0x01; 5375 } 5376 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5377 stcb->asoc.default_dscp |= 0x01; 5378 } 5379#ifdef INET6 5380 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5381 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5382 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5383 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5384 net->flowlabel |= 0x80000000; 5385 } 5386 } 5387 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5388 stcb->asoc.default_flowlabel |= 0x80000000; 5389 } 5390#endif 5391 } 5392 SCTP_TCB_UNLOCK(stcb); 5393 } else { 5394 /************************NO TCB, SET TO default stuff ******************/ 5395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5396 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5397 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5398 SCTP_INP_WLOCK(inp); 5399 /* 5400 * For the TOS/FLOWLABEL stuff you 5401 * set it with the options on the 5402 * socket 5403 */ 5404 if (paddrp->spp_pathmaxrxt != 0) { 5405 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5406 } 5407 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5408 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5409 else if (paddrp->spp_hbinterval != 0) { 5410 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5411 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5412 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5413 } 5414 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5415 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5416 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5417 } else if (paddrp->spp_hbinterval) { 5418 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5419 } 5420 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5421 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5422 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5423 } 5424 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5425 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5426 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5427 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5428 } 5429 if (paddrp->spp_flags & SPP_DSCP) { 5430 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5431 inp->sctp_ep.default_dscp |= 0x01; 5432 } 5433#ifdef INET6 5434 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5435 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5436 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5437 inp->sctp_ep.default_flowlabel |= 0x80000000; 5438 } 5439 } 5440#endif 5441 SCTP_INP_WUNLOCK(inp); 5442 } else { 5443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5444 error = EINVAL; 5445 } 5446 } 5447 break; 5448 } 5449 case SCTP_RTOINFO: 5450 { 5451 struct sctp_rtoinfo *srto; 5452 uint32_t new_init, new_min, new_max; 5453 5454 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5455 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5456 5457 if (stcb) { 5458 if (srto->srto_initial) 5459 new_init = srto->srto_initial; 5460 else 5461 new_init = stcb->asoc.initial_rto; 5462 if (srto->srto_max) 5463 new_max = srto->srto_max; 5464 else 5465 new_max = stcb->asoc.maxrto; 5466 if (srto->srto_min) 5467 new_min = srto->srto_min; 5468 else 5469 new_min = stcb->asoc.minrto; 5470 if ((new_min <= new_init) && (new_init <= new_max)) { 5471 stcb->asoc.initial_rto = new_init; 5472 stcb->asoc.maxrto = new_max; 5473 stcb->asoc.minrto = new_min; 5474 } else { 5475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5476 error = EINVAL; 5477 } 5478 SCTP_TCB_UNLOCK(stcb); 5479 } else { 5480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5481 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5482 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5483 SCTP_INP_WLOCK(inp); 5484 if (srto->srto_initial) 5485 new_init = srto->srto_initial; 5486 else 5487 new_init = inp->sctp_ep.initial_rto; 5488 if (srto->srto_max) 5489 new_max = srto->srto_max; 5490 else 5491 new_max = inp->sctp_ep.sctp_maxrto; 5492 if (srto->srto_min) 5493 new_min = srto->srto_min; 5494 else 5495 new_min = inp->sctp_ep.sctp_minrto; 5496 if ((new_min <= new_init) && (new_init <= new_max)) { 5497 inp->sctp_ep.initial_rto = new_init; 5498 inp->sctp_ep.sctp_maxrto = new_max; 5499 inp->sctp_ep.sctp_minrto = new_min; 5500 } else { 5501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5502 error = EINVAL; 5503 } 5504 SCTP_INP_WUNLOCK(inp); 5505 } else { 5506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5507 error = EINVAL; 5508 } 5509 } 5510 break; 5511 } 5512 case SCTP_ASSOCINFO: 5513 { 5514 struct sctp_assocparams *sasoc; 5515 5516 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5517 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5518 if (sasoc->sasoc_cookie_life) { 5519 /* boundary check the cookie life */ 5520 if (sasoc->sasoc_cookie_life < 1000) 5521 sasoc->sasoc_cookie_life = 1000; 5522 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5523 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5524 } 5525 } 5526 if (stcb) { 5527 if (sasoc->sasoc_asocmaxrxt) 5528 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5529 if (sasoc->sasoc_cookie_life) { 5530 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5531 } 5532 SCTP_TCB_UNLOCK(stcb); 5533 } else { 5534 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5535 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5536 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5537 SCTP_INP_WLOCK(inp); 5538 if (sasoc->sasoc_asocmaxrxt) 5539 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5540 if (sasoc->sasoc_cookie_life) { 5541 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5542 } 5543 SCTP_INP_WUNLOCK(inp); 5544 } else { 5545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5546 error = EINVAL; 5547 } 5548 } 5549 break; 5550 } 5551 case SCTP_INITMSG: 5552 { 5553 struct sctp_initmsg *sinit; 5554 5555 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5556 SCTP_INP_WLOCK(inp); 5557 if (sinit->sinit_num_ostreams) 5558 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5559 5560 if (sinit->sinit_max_instreams) 5561 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5562 5563 if (sinit->sinit_max_attempts) 5564 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5565 5566 if (sinit->sinit_max_init_timeo) 5567 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5568 SCTP_INP_WUNLOCK(inp); 5569 break; 5570 } 5571 case SCTP_PRIMARY_ADDR: 5572 { 5573 struct sctp_setprim *spa; 5574 struct sctp_nets *net; 5575 struct sockaddr *addr; 5576 5577#if defined(INET) && defined(INET6) 5578 struct sockaddr_in sin_store; 5579 5580#endif 5581 5582 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5583 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5584 5585#if defined(INET) && defined(INET6) 5586 if (spa->ssp_addr.ss_family == AF_INET6) { 5587 struct sockaddr_in6 *sin6; 5588 5589 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5590 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5591 in6_sin6_2_sin(&sin_store, sin6); 5592 addr = (struct sockaddr *)&sin_store; 5593 } else { 5594 addr = (struct sockaddr *)&spa->ssp_addr; 5595 } 5596 } else { 5597 addr = (struct sockaddr *)&spa->ssp_addr; 5598 } 5599#else 5600 addr = (struct sockaddr *)&spa->ssp_addr; 5601#endif 5602 if (stcb != NULL) { 5603 net = sctp_findnet(stcb, addr); 5604 } else { 5605 /* 5606 * We increment here since 5607 * sctp_findassociation_ep_addr() wil do a 5608 * decrement if it finds the stcb as long as 5609 * the locked tcb (last argument) is NOT a 5610 * TCB.. aka NULL. 5611 */ 5612 net = NULL; 5613 SCTP_INP_INCR_REF(inp); 5614 stcb = sctp_findassociation_ep_addr(&inp, addr, 5615 &net, NULL, NULL); 5616 if (stcb == NULL) { 5617 SCTP_INP_DECR_REF(inp); 5618 } 5619 } 5620 5621 if ((stcb != NULL) && (net != NULL)) { 5622 if ((net != stcb->asoc.primary_destination) && 5623 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5624 /* Ok we need to set it */ 5625 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5626 if ((stcb->asoc.alternate) && 5627 (!(net->dest_state & SCTP_ADDR_PF)) && 5628 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5629 sctp_free_remote_addr(stcb->asoc.alternate); 5630 stcb->asoc.alternate = NULL; 5631 } 5632 } 5633 } 5634 } else { 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5636 error = EINVAL; 5637 } 5638 if (stcb != NULL) { 5639 SCTP_TCB_UNLOCK(stcb); 5640 } 5641 break; 5642 } 5643 case SCTP_SET_DYNAMIC_PRIMARY: 5644 { 5645 union sctp_sockstore *ss; 5646 5647 error = priv_check(curthread, 5648 PRIV_NETINET_RESERVEDPORT); 5649 if (error) 5650 break; 5651 5652 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5653 /* SUPER USER CHECK? */ 5654 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5655 break; 5656 } 5657 case SCTP_SET_PEER_PRIMARY_ADDR: 5658 { 5659 struct sctp_setpeerprim *sspp; 5660 struct sockaddr *addr; 5661 5662#if defined(INET) && defined(INET6) 5663 struct sockaddr_in sin_store; 5664 5665#endif 5666 5667 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5668 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5669 if (stcb != NULL) { 5670 struct sctp_ifa *ifa; 5671 5672#if defined(INET) && defined(INET6) 5673 if (sspp->sspp_addr.ss_family == AF_INET6) { 5674 struct sockaddr_in6 *sin6; 5675 5676 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5677 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5678 in6_sin6_2_sin(&sin_store, sin6); 5679 addr = (struct sockaddr *)&sin_store; 5680 } else { 5681 addr = (struct sockaddr *)&sspp->sspp_addr; 5682 } 5683 } else { 5684 addr = (struct sockaddr *)&sspp->sspp_addr; 5685 } 5686#else 5687 addr = (struct sockaddr *)&sspp->sspp_addr; 5688#endif 5689 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5690 if (ifa == NULL) { 5691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5692 error = EINVAL; 5693 goto out_of_it; 5694 } 5695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5696 /* 5697 * Must validate the ifa found is in 5698 * our ep 5699 */ 5700 struct sctp_laddr *laddr; 5701 int found = 0; 5702 5703 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5704 if (laddr->ifa == NULL) { 5705 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5706 __FUNCTION__); 5707 continue; 5708 } 5709 if (laddr->ifa == ifa) { 5710 found = 1; 5711 break; 5712 } 5713 } 5714 if (!found) { 5715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5716 error = EINVAL; 5717 goto out_of_it; 5718 } 5719 } else { 5720 switch (addr->sa_family) { 5721#ifdef INET 5722 case AF_INET: 5723 { 5724 struct sockaddr_in *sin; 5725 5726 sin = (struct sockaddr_in *)addr; 5727 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5728 &sin->sin_addr) != 0) { 5729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5730 error = EINVAL; 5731 goto out_of_it; 5732 } 5733 break; 5734 } 5735#endif 5736#ifdef INET6 5737 case AF_INET6: 5738 { 5739 struct sockaddr_in6 *sin6; 5740 5741 sin6 = (struct sockaddr_in6 *)addr; 5742 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5743 &sin6->sin6_addr) != 0) { 5744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5745 error = EINVAL; 5746 goto out_of_it; 5747 } 5748 break; 5749 } 5750#endif 5751 default: 5752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5753 error = EINVAL; 5754 goto out_of_it; 5755 } 5756 } 5757 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5759 error = EINVAL; 5760 } 5761 out_of_it: 5762 SCTP_TCB_UNLOCK(stcb); 5763 } else { 5764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5765 error = EINVAL; 5766 } 5767 break; 5768 } 5769 case SCTP_BINDX_ADD_ADDR: 5770 { 5771 struct sctp_getaddresses *addrs; 5772 struct thread *td; 5773 5774 td = (struct thread *)p; 5775 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5776 optsize); 5777#ifdef INET 5778 if (addrs->addr->sa_family == AF_INET) { 5779 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5781 error = EINVAL; 5782 break; 5783 } 5784 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5785 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5786 break; 5787 } 5788 } else 5789#endif 5790#ifdef INET6 5791 if (addrs->addr->sa_family == AF_INET6) { 5792 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5794 error = EINVAL; 5795 break; 5796 } 5797 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5798 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5799 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5800 break; 5801 } 5802 } else 5803#endif 5804 { 5805 error = EAFNOSUPPORT; 5806 break; 5807 } 5808 sctp_bindx_add_address(so, inp, addrs->addr, 5809 addrs->sget_assoc_id, vrf_id, 5810 &error, p); 5811 break; 5812 } 5813 case SCTP_BINDX_REM_ADDR: 5814 { 5815 struct sctp_getaddresses *addrs; 5816 struct thread *td; 5817 5818 td = (struct thread *)p; 5819 5820 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5821#ifdef INET 5822 if (addrs->addr->sa_family == AF_INET) { 5823 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5825 error = EINVAL; 5826 break; 5827 } 5828 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5829 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5830 break; 5831 } 5832 } else 5833#endif 5834#ifdef INET6 5835 if (addrs->addr->sa_family == AF_INET6) { 5836 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 error = EINVAL; 5839 break; 5840 } 5841 if (td != NULL && 5842 (error = prison_local_ip6(td->td_ucred, 5843 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5844 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5845 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5846 break; 5847 } 5848 } else 5849#endif 5850 { 5851 error = EAFNOSUPPORT; 5852 break; 5853 } 5854 sctp_bindx_delete_address(inp, addrs->addr, 5855 addrs->sget_assoc_id, vrf_id, 5856 &error); 5857 break; 5858 } 5859 case SCTP_EVENT: 5860 { 5861 struct sctp_event *event; 5862 uint32_t event_type; 5863 5864 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5865 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5866 switch (event->se_type) { 5867 case SCTP_ASSOC_CHANGE: 5868 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5869 break; 5870 case SCTP_PEER_ADDR_CHANGE: 5871 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5872 break; 5873 case SCTP_REMOTE_ERROR: 5874 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5875 break; 5876 case SCTP_SEND_FAILED: 5877 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5878 break; 5879 case SCTP_SHUTDOWN_EVENT: 5880 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5881 break; 5882 case SCTP_ADAPTATION_INDICATION: 5883 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5884 break; 5885 case SCTP_PARTIAL_DELIVERY_EVENT: 5886 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5887 break; 5888 case SCTP_AUTHENTICATION_EVENT: 5889 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5890 break; 5891 case SCTP_STREAM_RESET_EVENT: 5892 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5893 break; 5894 case SCTP_SENDER_DRY_EVENT: 5895 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5896 break; 5897 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5898 event_type = 0; 5899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5900 error = ENOTSUP; 5901 break; 5902 case SCTP_ASSOC_RESET_EVENT: 5903 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5904 break; 5905 case SCTP_STREAM_CHANGE_EVENT: 5906 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5907 break; 5908 case SCTP_SEND_FAILED_EVENT: 5909 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5910 break; 5911 default: 5912 event_type = 0; 5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5914 error = EINVAL; 5915 break; 5916 } 5917 if (event_type > 0) { 5918 if (stcb) { 5919 if (event->se_on) { 5920 sctp_stcb_feature_on(inp, stcb, event_type); 5921 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5922 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5923 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5924 (stcb->asoc.stream_queue_cnt == 0)) { 5925 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5926 } 5927 } 5928 } else { 5929 sctp_stcb_feature_off(inp, stcb, event_type); 5930 } 5931 SCTP_TCB_UNLOCK(stcb); 5932 } else { 5933 /* 5934 * We don't want to send up a storm 5935 * of events, so return an error for 5936 * sender dry events 5937 */ 5938 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5939 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5940 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5941 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5942 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5944 error = ENOTSUP; 5945 break; 5946 } 5947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5949 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5950 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5951 SCTP_INP_WLOCK(inp); 5952 if (event->se_on) { 5953 sctp_feature_on(inp, event_type); 5954 } else { 5955 sctp_feature_off(inp, event_type); 5956 } 5957 SCTP_INP_WUNLOCK(inp); 5958 } 5959 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5960 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5961 SCTP_INP_RLOCK(inp); 5962 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5963 SCTP_TCB_LOCK(stcb); 5964 if (event->se_on) { 5965 sctp_stcb_feature_on(inp, stcb, event_type); 5966 } else { 5967 sctp_stcb_feature_off(inp, stcb, event_type); 5968 } 5969 SCTP_TCB_UNLOCK(stcb); 5970 } 5971 SCTP_INP_RUNLOCK(inp); 5972 } 5973 } 5974 } 5975 break; 5976 } 5977 case SCTP_RECVRCVINFO: 5978 { 5979 int *onoff; 5980 5981 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5982 SCTP_INP_WLOCK(inp); 5983 if (*onoff != 0) { 5984 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5985 } else { 5986 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5987 } 5988 SCTP_INP_WUNLOCK(inp); 5989 break; 5990 } 5991 case SCTP_RECVNXTINFO: 5992 { 5993 int *onoff; 5994 5995 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5996 SCTP_INP_WLOCK(inp); 5997 if (*onoff != 0) { 5998 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5999 } else { 6000 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6001 } 6002 SCTP_INP_WUNLOCK(inp); 6003 break; 6004 } 6005 case SCTP_DEFAULT_SNDINFO: 6006 { 6007 struct sctp_sndinfo *info; 6008 uint16_t policy; 6009 6010 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6011 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6012 6013 if (stcb) { 6014 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6015 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6016 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6017 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6018 stcb->asoc.def_send.sinfo_flags |= policy; 6019 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6020 stcb->asoc.def_send.sinfo_context = info->snd_context; 6021 } else { 6022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6023 error = EINVAL; 6024 } 6025 SCTP_TCB_UNLOCK(stcb); 6026 } else { 6027 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6028 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6029 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6030 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6031 SCTP_INP_WLOCK(inp); 6032 inp->def_send.sinfo_stream = info->snd_sid; 6033 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6034 inp->def_send.sinfo_flags = info->snd_flags; 6035 inp->def_send.sinfo_flags |= policy; 6036 inp->def_send.sinfo_ppid = info->snd_ppid; 6037 inp->def_send.sinfo_context = info->snd_context; 6038 SCTP_INP_WUNLOCK(inp); 6039 } 6040 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6041 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6042 SCTP_INP_RLOCK(inp); 6043 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6044 SCTP_TCB_LOCK(stcb); 6045 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6046 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6047 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6048 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6049 stcb->asoc.def_send.sinfo_flags |= policy; 6050 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6051 stcb->asoc.def_send.sinfo_context = info->snd_context; 6052 } 6053 SCTP_TCB_UNLOCK(stcb); 6054 } 6055 SCTP_INP_RUNLOCK(inp); 6056 } 6057 } 6058 break; 6059 } 6060 case SCTP_DEFAULT_PRINFO: 6061 { 6062 struct sctp_default_prinfo *info; 6063 6064 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6065 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6066 6067 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6069 error = EINVAL; 6070 break; 6071 } 6072 if (stcb) { 6073 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6074 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6075 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6076 SCTP_TCB_UNLOCK(stcb); 6077 } else { 6078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6080 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6081 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6082 SCTP_INP_WLOCK(inp); 6083 inp->def_send.sinfo_flags &= 0xfff0; 6084 inp->def_send.sinfo_flags |= info->pr_policy; 6085 inp->def_send.sinfo_timetolive = info->pr_value; 6086 SCTP_INP_WUNLOCK(inp); 6087 } 6088 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6089 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6090 SCTP_INP_RLOCK(inp); 6091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6092 SCTP_TCB_LOCK(stcb); 6093 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6094 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6095 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6096 SCTP_TCB_UNLOCK(stcb); 6097 } 6098 SCTP_INP_RUNLOCK(inp); 6099 } 6100 } 6101 break; 6102 } 6103 case SCTP_PEER_ADDR_THLDS: 6104 /* Applies to the specific association */ 6105 { 6106 struct sctp_paddrthlds *thlds; 6107 struct sctp_nets *net; 6108 struct sockaddr *addr; 6109 6110#if defined(INET) && defined(INET6) 6111 struct sockaddr_in sin_store; 6112 6113#endif 6114 6115 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6116 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6117 6118#if defined(INET) && defined(INET6) 6119 if (thlds->spt_address.ss_family == AF_INET6) { 6120 struct sockaddr_in6 *sin6; 6121 6122 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6123 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6124 in6_sin6_2_sin(&sin_store, sin6); 6125 addr = (struct sockaddr *)&sin_store; 6126 } else { 6127 addr = (struct sockaddr *)&thlds->spt_address; 6128 } 6129 } else { 6130 addr = (struct sockaddr *)&thlds->spt_address; 6131 } 6132#else 6133 addr = (struct sockaddr *)&thlds->spt_address; 6134#endif 6135 if (stcb != NULL) { 6136 net = sctp_findnet(stcb, addr); 6137 } else { 6138 /* 6139 * We increment here since 6140 * sctp_findassociation_ep_addr() wil do a 6141 * decrement if it finds the stcb as long as 6142 * the locked tcb (last argument) is NOT a 6143 * TCB.. aka NULL. 6144 */ 6145 net = NULL; 6146 SCTP_INP_INCR_REF(inp); 6147 stcb = sctp_findassociation_ep_addr(&inp, addr, 6148 &net, NULL, NULL); 6149 if (stcb == NULL) { 6150 SCTP_INP_DECR_REF(inp); 6151 } 6152 } 6153 if ((stcb != NULL) && (net == NULL)) { 6154#ifdef INET 6155 if (addr->sa_family == AF_INET) { 6156 6157 struct sockaddr_in *sin; 6158 6159 sin = (struct sockaddr_in *)addr; 6160 if (sin->sin_addr.s_addr != INADDR_ANY) { 6161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6162 SCTP_TCB_UNLOCK(stcb); 6163 error = EINVAL; 6164 break; 6165 } 6166 } else 6167#endif 6168#ifdef INET6 6169 if (addr->sa_family == AF_INET6) { 6170 struct sockaddr_in6 *sin6; 6171 6172 sin6 = (struct sockaddr_in6 *)addr; 6173 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6174 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6175 SCTP_TCB_UNLOCK(stcb); 6176 error = EINVAL; 6177 break; 6178 } 6179 } else 6180#endif 6181 { 6182 error = EAFNOSUPPORT; 6183 SCTP_TCB_UNLOCK(stcb); 6184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6185 break; 6186 } 6187 } 6188 if (stcb != NULL) { 6189 if (net != NULL) { 6190 net->failure_threshold = thlds->spt_pathmaxrxt; 6191 net->pf_threshold = thlds->spt_pathpfthld; 6192 if (net->dest_state & SCTP_ADDR_PF) { 6193 if ((net->error_count > net->failure_threshold) || 6194 (net->error_count <= net->pf_threshold)) { 6195 net->dest_state &= ~SCTP_ADDR_PF; 6196 } 6197 } else { 6198 if ((net->error_count > net->pf_threshold) && 6199 (net->error_count <= net->failure_threshold)) { 6200 net->dest_state |= SCTP_ADDR_PF; 6201 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6202 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6203 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6204 } 6205 } 6206 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6207 if (net->error_count > net->failure_threshold) { 6208 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6209 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6210 } 6211 } else { 6212 if (net->error_count <= net->failure_threshold) { 6213 net->dest_state |= SCTP_ADDR_REACHABLE; 6214 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6215 } 6216 } 6217 } else { 6218 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6219 net->failure_threshold = thlds->spt_pathmaxrxt; 6220 net->pf_threshold = thlds->spt_pathpfthld; 6221 if (net->dest_state & SCTP_ADDR_PF) { 6222 if ((net->error_count > net->failure_threshold) || 6223 (net->error_count <= net->pf_threshold)) { 6224 net->dest_state &= ~SCTP_ADDR_PF; 6225 } 6226 } else { 6227 if ((net->error_count > net->pf_threshold) && 6228 (net->error_count <= net->failure_threshold)) { 6229 net->dest_state |= SCTP_ADDR_PF; 6230 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6231 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6232 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6233 } 6234 } 6235 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6236 if (net->error_count > net->failure_threshold) { 6237 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6238 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6239 } 6240 } else { 6241 if (net->error_count <= net->failure_threshold) { 6242 net->dest_state |= SCTP_ADDR_REACHABLE; 6243 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6244 } 6245 } 6246 } 6247 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6248 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6249 } 6250 SCTP_TCB_UNLOCK(stcb); 6251 } else { 6252 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6253 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6254 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6255 SCTP_INP_WLOCK(inp); 6256 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6257 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6258 SCTP_INP_WUNLOCK(inp); 6259 } else { 6260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6261 error = EINVAL; 6262 } 6263 } 6264 break; 6265 } 6266 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6267 { 6268 struct sctp_udpencaps *encaps; 6269 struct sctp_nets *net; 6270 struct sockaddr *addr; 6271 6272#if defined(INET) && defined(INET6) 6273 struct sockaddr_in sin_store; 6274 6275#endif 6276 6277 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6278 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6279 6280#if defined(INET) && defined(INET6) 6281 if (encaps->sue_address.ss_family == AF_INET6) { 6282 struct sockaddr_in6 *sin6; 6283 6284 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6285 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6286 in6_sin6_2_sin(&sin_store, sin6); 6287 addr = (struct sockaddr *)&sin_store; 6288 } else { 6289 addr = (struct sockaddr *)&encaps->sue_address; 6290 } 6291 } else { 6292 addr = (struct sockaddr *)&encaps->sue_address; 6293 } 6294#else 6295 addr = (struct sockaddr *)&encaps->sue_address; 6296#endif 6297 if (stcb != NULL) { 6298 net = sctp_findnet(stcb, addr); 6299 } else { 6300 /* 6301 * We increment here since 6302 * sctp_findassociation_ep_addr() wil do a 6303 * decrement if it finds the stcb as long as 6304 * the locked tcb (last argument) is NOT a 6305 * TCB.. aka NULL. 6306 */ 6307 net = NULL; 6308 SCTP_INP_INCR_REF(inp); 6309 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6310 if (stcb == NULL) { 6311 SCTP_INP_DECR_REF(inp); 6312 } 6313 } 6314 if ((stcb != NULL) && (net == NULL)) { 6315#ifdef INET 6316 if (addr->sa_family == AF_INET) { 6317 6318 struct sockaddr_in *sin; 6319 6320 sin = (struct sockaddr_in *)addr; 6321 if (sin->sin_addr.s_addr != INADDR_ANY) { 6322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6323 SCTP_TCB_UNLOCK(stcb); 6324 error = EINVAL; 6325 break; 6326 } 6327 } else 6328#endif 6329#ifdef INET6 6330 if (addr->sa_family == AF_INET6) { 6331 struct sockaddr_in6 *sin6; 6332 6333 sin6 = (struct sockaddr_in6 *)addr; 6334 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6336 SCTP_TCB_UNLOCK(stcb); 6337 error = EINVAL; 6338 break; 6339 } 6340 } else 6341#endif 6342 { 6343 error = EAFNOSUPPORT; 6344 SCTP_TCB_UNLOCK(stcb); 6345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6346 break; 6347 } 6348 } 6349 if (stcb != NULL) { 6350 if (net != NULL) { 6351 net->port = encaps->sue_port; 6352 } else { 6353 stcb->asoc.port = encaps->sue_port; 6354 } 6355 SCTP_TCB_UNLOCK(stcb); 6356 } else { 6357 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6358 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6359 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6360 SCTP_INP_WLOCK(inp); 6361 inp->sctp_ep.port = encaps->sue_port; 6362 SCTP_INP_WUNLOCK(inp); 6363 } else { 6364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6365 error = EINVAL; 6366 } 6367 } 6368 break; 6369 } 6370 case SCTP_ECN_SUPPORTED: 6371 { 6372 struct sctp_assoc_value *av; 6373 6374 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6375 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6376 6377 if (stcb) { 6378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6379 error = EINVAL; 6380 SCTP_TCB_UNLOCK(stcb); 6381 } else { 6382 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6383 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6384 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6385 SCTP_INP_WLOCK(inp); 6386 if (av->assoc_value == 0) { 6387 inp->ecn_supported = 0; 6388 } else { 6389 inp->ecn_supported = 1; 6390 } 6391 SCTP_INP_WUNLOCK(inp); 6392 } else { 6393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6394 error = EINVAL; 6395 } 6396 } 6397 break; 6398 } 6399 case SCTP_PR_SUPPORTED: 6400 { 6401 struct sctp_assoc_value *av; 6402 6403 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6404 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6405 6406 if (stcb) { 6407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6408 error = EINVAL; 6409 SCTP_TCB_UNLOCK(stcb); 6410 } else { 6411 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6412 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6413 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6414 SCTP_INP_WLOCK(inp); 6415 if (av->assoc_value == 0) { 6416 inp->prsctp_supported = 0; 6417 } else { 6418 inp->prsctp_supported = 1; 6419 } 6420 SCTP_INP_WUNLOCK(inp); 6421 } else { 6422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6423 error = EINVAL; 6424 } 6425 } 6426 break; 6427 } 6428 case SCTP_AUTH_SUPPORTED: 6429 { 6430 struct sctp_assoc_value *av; 6431 6432 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6433 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6434 6435 if (stcb) { 6436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6437 error = EINVAL; 6438 SCTP_TCB_UNLOCK(stcb); 6439 } else { 6440 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6441 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6442 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6443 if ((av->assoc_value == 0) && 6444 (inp->asconf_supported == 1)) { 6445 /* 6446 * AUTH is required for 6447 * ASCONF 6448 */ 6449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6450 error = EINVAL; 6451 } else { 6452 SCTP_INP_WLOCK(inp); 6453 if (av->assoc_value == 0) { 6454 inp->auth_supported = 0; 6455 } else { 6456 inp->auth_supported = 1; 6457 } 6458 SCTP_INP_WUNLOCK(inp); 6459 } 6460 } else { 6461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6462 error = EINVAL; 6463 } 6464 } 6465 break; 6466 } 6467 case SCTP_ASCONF_SUPPORTED: 6468 { 6469 struct sctp_assoc_value *av; 6470 6471 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6472 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6473 6474 if (stcb) { 6475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6476 error = EINVAL; 6477 SCTP_TCB_UNLOCK(stcb); 6478 } else { 6479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6481 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6482 if ((av->assoc_value != 0) && 6483 (inp->auth_supported == 0)) { 6484 /* 6485 * AUTH is required for 6486 * ASCONF 6487 */ 6488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6489 error = EINVAL; 6490 } else { 6491 SCTP_INP_WLOCK(inp); 6492 if (av->assoc_value == 0) { 6493 inp->asconf_supported = 0; 6494 sctp_auth_delete_chunk(SCTP_ASCONF, 6495 inp->sctp_ep.local_auth_chunks); 6496 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6497 inp->sctp_ep.local_auth_chunks); 6498 } else { 6499 inp->asconf_supported = 1; 6500 sctp_auth_add_chunk(SCTP_ASCONF, 6501 inp->sctp_ep.local_auth_chunks); 6502 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6503 inp->sctp_ep.local_auth_chunks); 6504 } 6505 SCTP_INP_WUNLOCK(inp); 6506 } 6507 } else { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 error = EINVAL; 6510 } 6511 } 6512 break; 6513 } 6514 case SCTP_RECONFIG_SUPPORTED: 6515 { 6516 struct sctp_assoc_value *av; 6517 6518 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6519 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6520 6521 if (stcb) { 6522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6523 error = EINVAL; 6524 SCTP_TCB_UNLOCK(stcb); 6525 } else { 6526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6527 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6528 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6529 SCTP_INP_WLOCK(inp); 6530 if (av->assoc_value == 0) { 6531 inp->reconfig_supported = 0; 6532 } else { 6533 inp->reconfig_supported = 1; 6534 } 6535 SCTP_INP_WUNLOCK(inp); 6536 } else { 6537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6538 error = EINVAL; 6539 } 6540 } 6541 break; 6542 } 6543 case SCTP_NRSACK_SUPPORTED: 6544 { 6545 struct sctp_assoc_value *av; 6546 6547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6548 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6549 6550 if (stcb) { 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 SCTP_TCB_UNLOCK(stcb); 6554 } else { 6555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6558 SCTP_INP_WLOCK(inp); 6559 if (av->assoc_value == 0) { 6560 inp->nrsack_supported = 0; 6561 } else { 6562 inp->nrsack_supported = 1; 6563 } 6564 SCTP_INP_WUNLOCK(inp); 6565 } else { 6566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6567 error = EINVAL; 6568 } 6569 } 6570 break; 6571 } 6572 case SCTP_PKTDROP_SUPPORTED: 6573 { 6574 struct sctp_assoc_value *av; 6575 6576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6578 6579 if (stcb) { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 error = EINVAL; 6582 SCTP_TCB_UNLOCK(stcb); 6583 } else { 6584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6586 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6587 SCTP_INP_WLOCK(inp); 6588 if (av->assoc_value == 0) { 6589 inp->pktdrop_supported = 0; 6590 } else { 6591 inp->pktdrop_supported = 1; 6592 } 6593 SCTP_INP_WUNLOCK(inp); 6594 } else { 6595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6596 error = EINVAL; 6597 } 6598 } 6599 break; 6600 } 6601 case SCTP_MAX_CWND: 6602 { 6603 struct sctp_assoc_value *av; 6604 struct sctp_nets *net; 6605 6606 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6607 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6608 6609 if (stcb) { 6610 stcb->asoc.max_cwnd = av->assoc_value; 6611 if (stcb->asoc.max_cwnd > 0) { 6612 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6613 if ((net->cwnd > stcb->asoc.max_cwnd) && 6614 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6615 net->cwnd = stcb->asoc.max_cwnd; 6616 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6617 net->cwnd = net->mtu - sizeof(struct sctphdr); 6618 } 6619 } 6620 } 6621 } 6622 SCTP_TCB_UNLOCK(stcb); 6623 } else { 6624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6626 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6627 SCTP_INP_WLOCK(inp); 6628 inp->max_cwnd = av->assoc_value; 6629 SCTP_INP_WUNLOCK(inp); 6630 } else { 6631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6632 error = EINVAL; 6633 } 6634 } 6635 break; 6636 } 6637 default: 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6639 error = ENOPROTOOPT; 6640 break; 6641 } /* end switch (opt) */ 6642 return (error); 6643} 6644 6645int 6646sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6647{ 6648 void *optval = NULL; 6649 size_t optsize = 0; 6650 void *p; 6651 int error = 0; 6652 6653 if (sopt->sopt_level != IPPROTO_SCTP) { 6654 /* wrong proto level... send back up to IP */ 6655#ifdef INET6 6656 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6657 error = ip6_ctloutput(so, sopt); 6658#endif /* INET6 */ 6659#if defined(INET) && defined(INET6) 6660 else 6661#endif 6662#ifdef INET 6663 error = ip_ctloutput(so, sopt); 6664#endif 6665 return (error); 6666 } 6667 optsize = sopt->sopt_valsize; 6668 if (optsize) { 6669 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6670 if (optval == NULL) { 6671 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6672 return (ENOBUFS); 6673 } 6674 error = sooptcopyin(sopt, optval, optsize, optsize); 6675 if (error) { 6676 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6677 goto out; 6678 } 6679 } 6680 p = (void *)sopt->sopt_td; 6681 if (sopt->sopt_dir == SOPT_SET) { 6682 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6683 } else if (sopt->sopt_dir == SOPT_GET) { 6684 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6685 } else { 6686 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6687 error = EINVAL; 6688 } 6689 if ((error == 0) && (optval != NULL)) { 6690 error = sooptcopyout(sopt, optval, optsize); 6691 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6692 } else if (optval != NULL) { 6693 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6694 } 6695out: 6696 return (error); 6697} 6698 6699#ifdef INET 6700static int 6701sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6702{ 6703 int error = 0; 6704 int create_lock_on = 0; 6705 uint32_t vrf_id; 6706 struct sctp_inpcb *inp; 6707 struct sctp_tcb *stcb = NULL; 6708 6709 inp = (struct sctp_inpcb *)so->so_pcb; 6710 if (inp == NULL) { 6711 /* I made the same as TCP since we are not setup? */ 6712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6713 return (ECONNRESET); 6714 } 6715 if (addr == NULL) { 6716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6717 return EINVAL; 6718 } 6719 switch (addr->sa_family) { 6720#ifdef INET6 6721 case AF_INET6: 6722 { 6723 struct sockaddr_in6 *sin6p; 6724 6725 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6727 return (EINVAL); 6728 } 6729 sin6p = (struct sockaddr_in6 *)addr; 6730 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6732 return (error); 6733 } 6734 break; 6735 } 6736#endif 6737#ifdef INET 6738 case AF_INET: 6739 { 6740 struct sockaddr_in *sinp; 6741 6742 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6744 return (EINVAL); 6745 } 6746 sinp = (struct sockaddr_in *)addr; 6747 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6749 return (error); 6750 } 6751 break; 6752 } 6753#endif 6754 default: 6755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6756 return (EAFNOSUPPORT); 6757 } 6758 SCTP_INP_INCR_REF(inp); 6759 SCTP_ASOC_CREATE_LOCK(inp); 6760 create_lock_on = 1; 6761 6762 6763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6764 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6765 /* Should I really unlock ? */ 6766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6767 error = EFAULT; 6768 goto out_now; 6769 } 6770#ifdef INET6 6771 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6772 (addr->sa_family == AF_INET6)) { 6773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6774 error = EINVAL; 6775 goto out_now; 6776 } 6777#endif 6778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6779 SCTP_PCB_FLAGS_UNBOUND) { 6780 /* Bind a ephemeral port */ 6781 error = sctp_inpcb_bind(so, NULL, NULL, p); 6782 if (error) { 6783 goto out_now; 6784 } 6785 } 6786 /* Now do we connect? */ 6787 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6788 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6790 error = EINVAL; 6791 goto out_now; 6792 } 6793 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6794 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6795 /* We are already connected AND the TCP model */ 6796 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6797 error = EADDRINUSE; 6798 goto out_now; 6799 } 6800 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6801 SCTP_INP_RLOCK(inp); 6802 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6803 SCTP_INP_RUNLOCK(inp); 6804 } else { 6805 /* 6806 * We increment here since sctp_findassociation_ep_addr() 6807 * will do a decrement if it finds the stcb as long as the 6808 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6809 */ 6810 SCTP_INP_INCR_REF(inp); 6811 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6812 if (stcb == NULL) { 6813 SCTP_INP_DECR_REF(inp); 6814 } else { 6815 SCTP_TCB_UNLOCK(stcb); 6816 } 6817 } 6818 if (stcb != NULL) { 6819 /* Already have or am bring up an association */ 6820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6821 error = EALREADY; 6822 goto out_now; 6823 } 6824 vrf_id = inp->def_vrf_id; 6825 /* We are GOOD to go */ 6826 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6827 if (stcb == NULL) { 6828 /* Gak! no memory */ 6829 goto out_now; 6830 } 6831 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6832 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6833 /* Set the connected flag so we can queue data */ 6834 soisconnecting(so); 6835 } 6836 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6837 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6838 6839 /* initialize authentication parameters for the assoc */ 6840 sctp_initialize_auth_params(inp, stcb); 6841 6842 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6843 SCTP_TCB_UNLOCK(stcb); 6844out_now: 6845 if (create_lock_on) { 6846 SCTP_ASOC_CREATE_UNLOCK(inp); 6847 } 6848 SCTP_INP_DECR_REF(inp); 6849 return (error); 6850} 6851 6852#endif 6853 6854int 6855sctp_listen(struct socket *so, int backlog, struct thread *p) 6856{ 6857 /* 6858 * Note this module depends on the protocol processing being called 6859 * AFTER any socket level flags and backlog are applied to the 6860 * socket. The traditional way that the socket flags are applied is 6861 * AFTER protocol processing. We have made a change to the 6862 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6863 * place if the socket API for SCTP is to work properly. 6864 */ 6865 6866 int error = 0; 6867 struct sctp_inpcb *inp; 6868 6869 inp = (struct sctp_inpcb *)so->so_pcb; 6870 if (inp == NULL) { 6871 /* I made the same as TCP since we are not setup? */ 6872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6873 return (ECONNRESET); 6874 } 6875 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6876 /* See if we have a listener */ 6877 struct sctp_inpcb *tinp; 6878 union sctp_sockstore store; 6879 6880 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6881 /* not bound all */ 6882 struct sctp_laddr *laddr; 6883 6884 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6885 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6886 switch (store.sa.sa_family) { 6887#ifdef INET 6888 case AF_INET: 6889 store.sin.sin_port = inp->sctp_lport; 6890 break; 6891#endif 6892#ifdef INET6 6893 case AF_INET6: 6894 store.sin6.sin6_port = inp->sctp_lport; 6895 break; 6896#endif 6897 default: 6898 break; 6899 } 6900 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6901 if (tinp && (tinp != inp) && 6902 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6903 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6904 (tinp->sctp_socket->so_qlimit)) { 6905 /* 6906 * we have a listener already and 6907 * its not this inp. 6908 */ 6909 SCTP_INP_DECR_REF(tinp); 6910 return (EADDRINUSE); 6911 } else if (tinp) { 6912 SCTP_INP_DECR_REF(tinp); 6913 } 6914 } 6915 } else { 6916 /* Setup a local addr bound all */ 6917 memset(&store, 0, sizeof(store)); 6918#ifdef INET6 6919 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6920 store.sa.sa_family = AF_INET6; 6921 store.sa.sa_len = sizeof(struct sockaddr_in6); 6922 } 6923#endif 6924#ifdef INET 6925 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6926 store.sa.sa_family = AF_INET; 6927 store.sa.sa_len = sizeof(struct sockaddr_in); 6928 } 6929#endif 6930 switch (store.sa.sa_family) { 6931#ifdef INET 6932 case AF_INET: 6933 store.sin.sin_port = inp->sctp_lport; 6934 break; 6935#endif 6936#ifdef INET6 6937 case AF_INET6: 6938 store.sin6.sin6_port = inp->sctp_lport; 6939 break; 6940#endif 6941 default: 6942 break; 6943 } 6944 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6945 if (tinp && (tinp != inp) && 6946 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6947 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6948 (tinp->sctp_socket->so_qlimit)) { 6949 /* 6950 * we have a listener already and its not 6951 * this inp. 6952 */ 6953 SCTP_INP_DECR_REF(tinp); 6954 return (EADDRINUSE); 6955 } else if (tinp) { 6956 SCTP_INP_DECR_REF(tinp); 6957 } 6958 } 6959 } 6960 SCTP_INP_RLOCK(inp); 6961#ifdef SCTP_LOCK_LOGGING 6962 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6963 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6964 } 6965#endif 6966 SOCK_LOCK(so); 6967 error = solisten_proto_check(so); 6968 SOCK_UNLOCK(so); 6969 if (error) { 6970 SCTP_INP_RUNLOCK(inp); 6971 return (error); 6972 } 6973 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6974 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6975 /* 6976 * The unlucky case - We are in the tcp pool with this guy. 6977 * - Someone else is in the main inp slot. - We must move 6978 * this guy (the listener) to the main slot - We must then 6979 * move the guy that was listener to the TCP Pool. 6980 */ 6981 if (sctp_swap_inpcb_for_listen(inp)) { 6982 SCTP_INP_RUNLOCK(inp); 6983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6984 return (EADDRINUSE); 6985 } 6986 } 6987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6988 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6989 /* We are already connected AND the TCP model */ 6990 SCTP_INP_RUNLOCK(inp); 6991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6992 return (EADDRINUSE); 6993 } 6994 SCTP_INP_RUNLOCK(inp); 6995 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6996 /* We must do a bind. */ 6997 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6998 /* bind error, probably perm */ 6999 return (error); 7000 } 7001 } 7002 SOCK_LOCK(so); 7003 /* It appears for 7.0 and on, we must always call this. */ 7004 solisten_proto(so, backlog); 7005 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7006 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7007 so->so_options &= ~SO_ACCEPTCONN; 7008 } 7009 if (backlog == 0) { 7010 /* turning off listen */ 7011 so->so_options &= ~SO_ACCEPTCONN; 7012 } 7013 SOCK_UNLOCK(so); 7014 return (error); 7015} 7016 7017static int sctp_defered_wakeup_cnt = 0; 7018 7019int 7020sctp_accept(struct socket *so, struct sockaddr **addr) 7021{ 7022 struct sctp_tcb *stcb; 7023 struct sctp_inpcb *inp; 7024 union sctp_sockstore store; 7025 7026#ifdef INET6 7027 int error; 7028 7029#endif 7030 inp = (struct sctp_inpcb *)so->so_pcb; 7031 7032 if (inp == NULL) { 7033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7034 return (ECONNRESET); 7035 } 7036 SCTP_INP_RLOCK(inp); 7037 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7038 SCTP_INP_RUNLOCK(inp); 7039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7040 return (EOPNOTSUPP); 7041 } 7042 if (so->so_state & SS_ISDISCONNECTED) { 7043 SCTP_INP_RUNLOCK(inp); 7044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7045 return (ECONNABORTED); 7046 } 7047 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7048 if (stcb == NULL) { 7049 SCTP_INP_RUNLOCK(inp); 7050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7051 return (ECONNRESET); 7052 } 7053 SCTP_TCB_LOCK(stcb); 7054 SCTP_INP_RUNLOCK(inp); 7055 store = stcb->asoc.primary_destination->ro._l_addr; 7056 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7057 SCTP_TCB_UNLOCK(stcb); 7058 switch (store.sa.sa_family) { 7059#ifdef INET 7060 case AF_INET: 7061 { 7062 struct sockaddr_in *sin; 7063 7064 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7065 if (sin == NULL) 7066 return (ENOMEM); 7067 sin->sin_family = AF_INET; 7068 sin->sin_len = sizeof(*sin); 7069 sin->sin_port = store.sin.sin_port; 7070 sin->sin_addr = store.sin.sin_addr; 7071 *addr = (struct sockaddr *)sin; 7072 break; 7073 } 7074#endif 7075#ifdef INET6 7076 case AF_INET6: 7077 { 7078 struct sockaddr_in6 *sin6; 7079 7080 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7081 if (sin6 == NULL) 7082 return (ENOMEM); 7083 sin6->sin6_family = AF_INET6; 7084 sin6->sin6_len = sizeof(*sin6); 7085 sin6->sin6_port = store.sin6.sin6_port; 7086 sin6->sin6_addr = store.sin6.sin6_addr; 7087 if ((error = sa6_recoverscope(sin6)) != 0) { 7088 SCTP_FREE_SONAME(sin6); 7089 return (error); 7090 } 7091 *addr = (struct sockaddr *)sin6; 7092 break; 7093 } 7094#endif 7095 default: 7096 /* TSNH */ 7097 break; 7098 } 7099 /* Wake any delayed sleep action */ 7100 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7101 SCTP_INP_WLOCK(inp); 7102 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7103 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7104 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7105 SCTP_INP_WUNLOCK(inp); 7106 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7107 if (sowriteable(inp->sctp_socket)) { 7108 sowwakeup_locked(inp->sctp_socket); 7109 } else { 7110 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7111 } 7112 SCTP_INP_WLOCK(inp); 7113 } 7114 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7115 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7116 SCTP_INP_WUNLOCK(inp); 7117 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7118 if (soreadable(inp->sctp_socket)) { 7119 sctp_defered_wakeup_cnt++; 7120 sorwakeup_locked(inp->sctp_socket); 7121 } else { 7122 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7123 } 7124 SCTP_INP_WLOCK(inp); 7125 } 7126 SCTP_INP_WUNLOCK(inp); 7127 } 7128 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7129 SCTP_TCB_LOCK(stcb); 7130 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 7131 } 7132 return (0); 7133} 7134 7135#ifdef INET 7136int 7137sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7138{ 7139 struct sockaddr_in *sin; 7140 uint32_t vrf_id; 7141 struct sctp_inpcb *inp; 7142 struct sctp_ifa *sctp_ifa; 7143 7144 /* 7145 * Do the malloc first in case it blocks. 7146 */ 7147 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7148 if (sin == NULL) 7149 return (ENOMEM); 7150 sin->sin_family = AF_INET; 7151 sin->sin_len = sizeof(*sin); 7152 inp = (struct sctp_inpcb *)so->so_pcb; 7153 if (!inp) { 7154 SCTP_FREE_SONAME(sin); 7155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7156 return (ECONNRESET); 7157 } 7158 SCTP_INP_RLOCK(inp); 7159 sin->sin_port = inp->sctp_lport; 7160 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7161 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7162 struct sctp_tcb *stcb; 7163 struct sockaddr_in *sin_a; 7164 struct sctp_nets *net; 7165 int fnd; 7166 7167 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7168 if (stcb == NULL) { 7169 goto notConn; 7170 } 7171 fnd = 0; 7172 sin_a = NULL; 7173 SCTP_TCB_LOCK(stcb); 7174 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7175 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7176 if (sin_a == NULL) 7177 /* this will make coverity happy */ 7178 continue; 7179 7180 if (sin_a->sin_family == AF_INET) { 7181 fnd = 1; 7182 break; 7183 } 7184 } 7185 if ((!fnd) || (sin_a == NULL)) { 7186 /* punt */ 7187 SCTP_TCB_UNLOCK(stcb); 7188 goto notConn; 7189 } 7190 vrf_id = inp->def_vrf_id; 7191 sctp_ifa = sctp_source_address_selection(inp, 7192 stcb, 7193 (sctp_route_t *) & net->ro, 7194 net, 0, vrf_id); 7195 if (sctp_ifa) { 7196 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7197 sctp_free_ifa(sctp_ifa); 7198 } 7199 SCTP_TCB_UNLOCK(stcb); 7200 } else { 7201 /* For the bound all case you get back 0 */ 7202 notConn: 7203 sin->sin_addr.s_addr = 0; 7204 } 7205 7206 } else { 7207 /* Take the first IPv4 address in the list */ 7208 struct sctp_laddr *laddr; 7209 int fnd = 0; 7210 7211 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7212 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7213 struct sockaddr_in *sin_a; 7214 7215 sin_a = &laddr->ifa->address.sin; 7216 sin->sin_addr = sin_a->sin_addr; 7217 fnd = 1; 7218 break; 7219 } 7220 } 7221 if (!fnd) { 7222 SCTP_FREE_SONAME(sin); 7223 SCTP_INP_RUNLOCK(inp); 7224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7225 return (ENOENT); 7226 } 7227 } 7228 SCTP_INP_RUNLOCK(inp); 7229 (*addr) = (struct sockaddr *)sin; 7230 return (0); 7231} 7232 7233int 7234sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7235{ 7236 struct sockaddr_in *sin; 7237 int fnd; 7238 struct sockaddr_in *sin_a; 7239 struct sctp_inpcb *inp; 7240 struct sctp_tcb *stcb; 7241 struct sctp_nets *net; 7242 7243 /* Do the malloc first in case it blocks. */ 7244 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7245 if (sin == NULL) 7246 return (ENOMEM); 7247 sin->sin_family = AF_INET; 7248 sin->sin_len = sizeof(*sin); 7249 7250 inp = (struct sctp_inpcb *)so->so_pcb; 7251 if ((inp == NULL) || 7252 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7253 /* UDP type and listeners will drop out here */ 7254 SCTP_FREE_SONAME(sin); 7255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7256 return (ENOTCONN); 7257 } 7258 SCTP_INP_RLOCK(inp); 7259 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7260 if (stcb) { 7261 SCTP_TCB_LOCK(stcb); 7262 } 7263 SCTP_INP_RUNLOCK(inp); 7264 if (stcb == NULL) { 7265 SCTP_FREE_SONAME(sin); 7266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7267 return (ECONNRESET); 7268 } 7269 fnd = 0; 7270 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7271 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7272 if (sin_a->sin_family == AF_INET) { 7273 fnd = 1; 7274 sin->sin_port = stcb->rport; 7275 sin->sin_addr = sin_a->sin_addr; 7276 break; 7277 } 7278 } 7279 SCTP_TCB_UNLOCK(stcb); 7280 if (!fnd) { 7281 /* No IPv4 address */ 7282 SCTP_FREE_SONAME(sin); 7283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7284 return (ENOENT); 7285 } 7286 (*addr) = (struct sockaddr *)sin; 7287 return (0); 7288} 7289 7290struct pr_usrreqs sctp_usrreqs = { 7291 .pru_abort = sctp_abort, 7292 .pru_accept = sctp_accept, 7293 .pru_attach = sctp_attach, 7294 .pru_bind = sctp_bind, 7295 .pru_connect = sctp_connect, 7296 .pru_control = in_control, 7297 .pru_close = sctp_close, 7298 .pru_detach = sctp_close, 7299 .pru_sopoll = sopoll_generic, 7300 .pru_flush = sctp_flush, 7301 .pru_disconnect = sctp_disconnect, 7302 .pru_listen = sctp_listen, 7303 .pru_peeraddr = sctp_peeraddr, 7304 .pru_send = sctp_sendm, 7305 .pru_shutdown = sctp_shutdown, 7306 .pru_sockaddr = sctp_ingetaddr, 7307 .pru_sosend = sctp_sosend, 7308 .pru_soreceive = sctp_soreceive 7309}; 7310 7311#endif 7312