sctp_usrreq.c revision 224918
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 224918 2011-08-16 21:04:18Z tuexen $"); 37#include <netinet/sctp_os.h> 38#include <sys/proc.h> 39#include <netinet/sctp_pcb.h> 40#include <netinet/sctp_header.h> 41#include <netinet/sctp_var.h> 42#if defined(INET6) 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86#if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 90#endif 91 92 93} 94 95void 96sctp_finish(void) 97{ 98 sctp_pcb_finish(); 99} 100 101 102 103void 104sctp_pathmtu_adjustment(struct sctp_inpcb *inp, 105 struct sctp_tcb *stcb, 106 struct sctp_nets *net, 107 uint16_t nxtsz) 108{ 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE; 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 } 135 if (chk->sent != SCTP_DATAGRAM_RESEND) { 136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137 } 138 chk->sent = SCTP_DATAGRAM_RESEND; 139 chk->rec.data.doing_fast_retransmit = 0; 140 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 141 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 142 chk->whoTo->flight_size, 143 chk->book_size, 144 (uintptr_t) chk->whoTo, 145 chk->rec.data.TSN_seq); 146 } 147 /* Clear any time so NO RTT is being done */ 148 chk->do_rtt = 0; 149 } 150 } 151} 152 153#ifdef INET 154static void 155sctp_notify_mbuf(struct sctp_inpcb *inp, 156 struct sctp_tcb *stcb, 157 struct sctp_nets *net, 158 struct ip *ip, 159 struct sctphdr *sh) 160{ 161 struct icmp *icmph; 162 int totsz, tmr_stopped = 0; 163 uint16_t nxtsz; 164 165 /* protection */ 166 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 167 (ip == NULL) || (sh == NULL)) { 168 if (stcb != NULL) { 169 SCTP_TCB_UNLOCK(stcb); 170 } 171 return; 172 } 173 /* First job is to verify the vtag matches what I would send */ 174 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 179 sizeof(struct ip))); 180 if (icmph->icmp_type != ICMP_UNREACH) { 181 /* We only care about unreachable */ 182 SCTP_TCB_UNLOCK(stcb); 183 return; 184 } 185 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 186 /* not a unreachable message due to frag. */ 187 SCTP_TCB_UNLOCK(stcb); 188 return; 189 } 190 totsz = ip->ip_len; 191 192 nxtsz = ntohs(icmph->icmp_nextmtu); 193 if (nxtsz == 0) { 194 /* 195 * old type router that does not tell us what the next size 196 * mtu is. Rats we will have to guess (in a educated fashion 197 * of course) 198 */ 199 nxtsz = sctp_get_prev_mtu(totsz); 200 } 201 /* Stop any PMTU timer */ 202 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 203 tmr_stopped = 1; 204 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 205 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 206 } 207 /* Adjust destination size limit */ 208 if (net->mtu > nxtsz) { 209 net->mtu = nxtsz; 210 if (net->port) { 211 net->mtu -= sizeof(struct udphdr); 212 } 213 } 214 /* now what about the ep? */ 215 if (stcb->asoc.smallest_mtu > nxtsz) { 216 sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 217 } 218 if (tmr_stopped) 219 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 220 221 SCTP_TCB_UNLOCK(stcb); 222} 223 224#endif 225 226void 227sctp_notify(struct sctp_inpcb *inp, 228 struct ip *ip, 229 struct sctphdr *sh, 230 struct sockaddr *to, 231 struct sctp_tcb *stcb, 232 struct sctp_nets *net) 233{ 234#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 235 struct socket *so; 236 237#endif 238 /* protection */ 239 int reason; 240 struct icmp *icmph; 241 242 243 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 244 (sh == NULL) || (to == NULL)) { 245 if (stcb) 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 /* First job is to verify the vtag matches what I would send */ 250 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 251 SCTP_TCB_UNLOCK(stcb); 252 return; 253 } 254 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 255 sizeof(struct ip))); 256 if (icmph->icmp_type != ICMP_UNREACH) { 257 /* We only care about unreachable */ 258 SCTP_TCB_UNLOCK(stcb); 259 return; 260 } 261 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 262 (icmph->icmp_code == ICMP_UNREACH_HOST) || 263 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 264 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 265 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 266 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 267 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 268 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 269 270 /* 271 * Hmm reachablity problems we must examine closely. If its 272 * not reachable, we may have lost a network. Or if there is 273 * NO protocol at the other end named SCTP. well we consider 274 * it a OOTB abort. 275 */ 276 if (net->dest_state & SCTP_ADDR_REACHABLE) { 277 /* Ok that destination is NOT reachable */ 278 net->dest_state &= ~SCTP_ADDR_REACHABLE; 279 net->dest_state &= ~SCTP_ADDR_PF; 280 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 281 stcb, SCTP_FAILED_THRESHOLD, 282 (void *)net, SCTP_SO_NOT_LOCKED); 283 } 284 SCTP_TCB_UNLOCK(stcb); 285 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 286 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 287 /* 288 * Here the peer is either playing tricks on us, including 289 * an address that belongs to someone who does not support 290 * SCTP OR was a userland implementation that shutdown and 291 * now is dead. In either case treat it like a OOTB abort 292 * with no TCB 293 */ 294 reason = SCTP_PEER_FAULTY; 295 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 296#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 297 so = SCTP_INP_SO(inp); 298 atomic_add_int(&stcb->asoc.refcnt, 1); 299 SCTP_TCB_UNLOCK(stcb); 300 SCTP_SOCKET_LOCK(so, 1); 301 SCTP_TCB_LOCK(stcb); 302 atomic_subtract_int(&stcb->asoc.refcnt, 1); 303#endif 304 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 305#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 306 SCTP_SOCKET_UNLOCK(so, 1); 307 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 308#endif 309 /* no need to unlock here, since the TCB is gone */ 310 } else { 311 SCTP_TCB_UNLOCK(stcb); 312 } 313} 314 315#ifdef INET 316void 317sctp_ctlinput(cmd, sa, vip) 318 int cmd; 319 struct sockaddr *sa; 320 void *vip; 321{ 322 struct ip *ip = vip; 323 struct sctphdr *sh; 324 uint32_t vrf_id; 325 326 /* FIX, for non-bsd is this right? */ 327 vrf_id = SCTP_DEFAULT_VRFID; 328 if (sa->sa_family != AF_INET || 329 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 330 return; 331 } 332 if (PRC_IS_REDIRECT(cmd)) { 333 ip = 0; 334 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 335 return; 336 } 337 if (ip) { 338 struct sctp_inpcb *inp = NULL; 339 struct sctp_tcb *stcb = NULL; 340 struct sctp_nets *net = NULL; 341 struct sockaddr_in to, from; 342 343 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 344 bzero(&to, sizeof(to)); 345 bzero(&from, sizeof(from)); 346 from.sin_family = to.sin_family = AF_INET; 347 from.sin_len = to.sin_len = sizeof(to); 348 from.sin_port = sh->src_port; 349 from.sin_addr = ip->ip_src; 350 to.sin_port = sh->dest_port; 351 to.sin_addr = ip->ip_dst; 352 353 /* 354 * 'to' holds the dest of the packet that failed to be sent. 355 * 'from' holds our local endpoint address. Thus we reverse 356 * the to and the from in the lookup. 357 */ 358 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 359 (struct sockaddr *)&to, 360 &inp, &net, 1, vrf_id); 361 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 362 if (cmd != PRC_MSGSIZE) { 363 sctp_notify(inp, ip, sh, 364 (struct sockaddr *)&to, stcb, 365 net); 366 } else { 367 /* handle possible ICMP size messages */ 368 sctp_notify_mbuf(inp, stcb, net, ip, sh); 369 } 370 } else { 371 if ((stcb == NULL) && (inp != NULL)) { 372 /* reduce ref-count */ 373 SCTP_INP_WLOCK(inp); 374 SCTP_INP_DECR_REF(inp); 375 SCTP_INP_WUNLOCK(inp); 376 } 377 if (stcb) { 378 SCTP_TCB_UNLOCK(stcb); 379 } 380 } 381 } 382 return; 383} 384 385#endif 386 387static int 388sctp_getcred(SYSCTL_HANDLER_ARGS) 389{ 390 struct xucred xuc; 391 struct sockaddr_in addrs[2]; 392 struct sctp_inpcb *inp; 393 struct sctp_nets *net; 394 struct sctp_tcb *stcb; 395 int error; 396 uint32_t vrf_id; 397 398 /* FIX, for non-bsd is this right? */ 399 vrf_id = SCTP_DEFAULT_VRFID; 400 401 error = priv_check(req->td, PRIV_NETINET_GETCRED); 402 403 if (error) 404 return (error); 405 406 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 407 if (error) 408 return (error); 409 410 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 411 sintosa(&addrs[1]), 412 &inp, &net, 1, vrf_id); 413 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 414 if ((inp != NULL) && (stcb == NULL)) { 415 /* reduce ref-count */ 416 SCTP_INP_WLOCK(inp); 417 SCTP_INP_DECR_REF(inp); 418 goto cred_can_cont; 419 } 420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 421 error = ENOENT; 422 goto out; 423 } 424 SCTP_TCB_UNLOCK(stcb); 425 /* 426 * We use the write lock here, only since in the error leg we need 427 * it. If we used RLOCK, then we would have to 428 * wlock/decr/unlock/rlock. Which in theory could create a hole. 429 * Better to use higher wlock. 430 */ 431 SCTP_INP_WLOCK(inp); 432cred_can_cont: 433 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 434 if (error) { 435 SCTP_INP_WUNLOCK(inp); 436 goto out; 437 } 438 cru2x(inp->sctp_socket->so_cred, &xuc); 439 SCTP_INP_WUNLOCK(inp); 440 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 441out: 442 return (error); 443} 444 445SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 446 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 447 448 449#ifdef INET 450static void 451sctp_abort(struct socket *so) 452{ 453 struct sctp_inpcb *inp; 454 uint32_t flags; 455 456 inp = (struct sctp_inpcb *)so->so_pcb; 457 if (inp == 0) { 458 return; 459 } 460sctp_must_try_again: 461 flags = inp->sctp_flags; 462#ifdef SCTP_LOG_CLOSING 463 sctp_log_closing(inp, NULL, 17); 464#endif 465 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 466 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 467#ifdef SCTP_LOG_CLOSING 468 sctp_log_closing(inp, NULL, 16); 469#endif 470 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 471 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 472 SOCK_LOCK(so); 473 SCTP_SB_CLEAR(so->so_snd); 474 /* 475 * same for the rcv ones, they are only here for the 476 * accounting/select. 477 */ 478 SCTP_SB_CLEAR(so->so_rcv); 479 480 /* Now null out the reference, we are completely detached. */ 481 so->so_pcb = NULL; 482 SOCK_UNLOCK(so); 483 } else { 484 flags = inp->sctp_flags; 485 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 486 goto sctp_must_try_again; 487 } 488 } 489 return; 490} 491 492static int 493sctp_attach(struct socket *so, int proto, struct thread *p) 494{ 495 struct sctp_inpcb *inp; 496 struct inpcb *ip_inp; 497 int error; 498 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 499 500#ifdef IPSEC 501 uint32_t flags; 502 503#endif 504 505 inp = (struct sctp_inpcb *)so->so_pcb; 506 if (inp != 0) { 507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 508 return EINVAL; 509 } 510 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 511 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 512 if (error) { 513 return error; 514 } 515 } 516 error = sctp_inpcb_alloc(so, vrf_id); 517 if (error) { 518 return error; 519 } 520 inp = (struct sctp_inpcb *)so->so_pcb; 521 SCTP_INP_WLOCK(inp); 522 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 523 ip_inp = &inp->ip_inp.inp; 524 ip_inp->inp_vflag |= INP_IPV4; 525 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 526#ifdef IPSEC 527 error = ipsec_init_policy(so, &ip_inp->inp_sp); 528#ifdef SCTP_LOG_CLOSING 529 sctp_log_closing(inp, NULL, 17); 530#endif 531 if (error != 0) { 532try_again: 533 flags = inp->sctp_flags; 534 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 535 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 536#ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 15); 538#endif 539 SCTP_INP_WUNLOCK(inp); 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } else { 543 flags = inp->sctp_flags; 544 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 545 goto try_again; 546 } else { 547 SCTP_INP_WUNLOCK(inp); 548 } 549 } 550 return error; 551 } 552#endif /* IPSEC */ 553 SCTP_INP_WUNLOCK(inp); 554 return 0; 555} 556 557static int 558sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 559{ 560 struct sctp_inpcb *inp = NULL; 561 int error; 562 563#ifdef INET6 564 if (addr && addr->sa_family != AF_INET) { 565 /* must be a v4 address! */ 566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 567 return EINVAL; 568 } 569#endif /* INET6 */ 570 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 572 return EINVAL; 573 } 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == 0) { 576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 577 return EINVAL; 578 } 579 error = sctp_inpcb_bind(so, addr, NULL, p); 580 return error; 581} 582 583#endif 584void 585sctp_close(struct socket *so) 586{ 587 struct sctp_inpcb *inp; 588 uint32_t flags; 589 590 inp = (struct sctp_inpcb *)so->so_pcb; 591 if (inp == 0) 592 return; 593 594 /* 595 * Inform all the lower layer assoc that we are done. 596 */ 597sctp_must_try_again: 598 flags = inp->sctp_flags; 599#ifdef SCTP_LOG_CLOSING 600 sctp_log_closing(inp, NULL, 17); 601#endif 602 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 603 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 604 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 605 (so->so_rcv.sb_cc > 0)) { 606#ifdef SCTP_LOG_CLOSING 607 sctp_log_closing(inp, NULL, 13); 608#endif 609 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 610 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 611 } else { 612#ifdef SCTP_LOG_CLOSING 613 sctp_log_closing(inp, NULL, 14); 614#endif 615 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 616 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 617 } 618 /* 619 * The socket is now detached, no matter what the state of 620 * the SCTP association. 621 */ 622 SOCK_LOCK(so); 623 SCTP_SB_CLEAR(so->so_snd); 624 /* 625 * same for the rcv ones, they are only here for the 626 * accounting/select. 627 */ 628 SCTP_SB_CLEAR(so->so_rcv); 629 630 /* Now null out the reference, we are completely detached. */ 631 so->so_pcb = NULL; 632 SOCK_UNLOCK(so); 633 } else { 634 flags = inp->sctp_flags; 635 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 636 goto sctp_must_try_again; 637 } 638 } 639 return; 640} 641 642 643int 644sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 645 struct mbuf *control, struct thread *p); 646 647 648int 649sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 650 struct mbuf *control, struct thread *p) 651{ 652 struct sctp_inpcb *inp; 653 int error; 654 655 inp = (struct sctp_inpcb *)so->so_pcb; 656 if (inp == 0) { 657 if (control) { 658 sctp_m_freem(control); 659 control = NULL; 660 } 661 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 662 sctp_m_freem(m); 663 return EINVAL; 664 } 665 /* Got to have an to address if we are NOT a connected socket */ 666 if ((addr == NULL) && 667 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 668 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 669 ) { 670 goto connected_type; 671 } else if (addr == NULL) { 672 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 673 error = EDESTADDRREQ; 674 sctp_m_freem(m); 675 if (control) { 676 sctp_m_freem(control); 677 control = NULL; 678 } 679 return (error); 680 } 681#ifdef INET6 682 if (addr->sa_family != AF_INET) { 683 /* must be a v4 address! */ 684 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 685 sctp_m_freem(m); 686 if (control) { 687 sctp_m_freem(control); 688 control = NULL; 689 } 690 error = EDESTADDRREQ; 691 return (error); 692 } 693#endif /* INET6 */ 694connected_type: 695 /* now what about control */ 696 if (control) { 697 if (inp->control) { 698 SCTP_PRINTF("huh? control set?\n"); 699 sctp_m_freem(inp->control); 700 inp->control = NULL; 701 } 702 inp->control = control; 703 } 704 /* Place the data */ 705 if (inp->pkt) { 706 SCTP_BUF_NEXT(inp->pkt_last) = m; 707 inp->pkt_last = m; 708 } else { 709 inp->pkt_last = inp->pkt = m; 710 } 711 if ( 712 /* FreeBSD uses a flag passed */ 713 ((flags & PRUS_MORETOCOME) == 0) 714 ) { 715 /* 716 * note with the current version this code will only be used 717 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 718 * re-defining sosend to use the sctp_sosend. One can 719 * optionally switch back to this code (by changing back the 720 * definitions) but this is not advisable. This code is used 721 * by FreeBSD when sending a file with sendfile() though. 722 */ 723 int ret; 724 725 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 726 inp->pkt = NULL; 727 inp->control = NULL; 728 return (ret); 729 } else { 730 return (0); 731 } 732} 733 734int 735sctp_disconnect(struct socket *so) 736{ 737 struct sctp_inpcb *inp; 738 739 inp = (struct sctp_inpcb *)so->so_pcb; 740 if (inp == NULL) { 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 742 return (ENOTCONN); 743 } 744 SCTP_INP_RLOCK(inp); 745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 747 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 748 /* No connection */ 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } else { 752 struct sctp_association *asoc; 753 struct sctp_tcb *stcb; 754 755 stcb = LIST_FIRST(&inp->sctp_asoc_list); 756 if (stcb == NULL) { 757 SCTP_INP_RUNLOCK(inp); 758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 759 return (EINVAL); 760 } 761 SCTP_TCB_LOCK(stcb); 762 asoc = &stcb->asoc; 763 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 764 /* We are about to be freed, out of here */ 765 SCTP_TCB_UNLOCK(stcb); 766 SCTP_INP_RUNLOCK(inp); 767 return (0); 768 } 769 if (((so->so_options & SO_LINGER) && 770 (so->so_linger == 0)) || 771 (so->so_rcv.sb_cc > 0)) { 772 if (SCTP_GET_STATE(asoc) != 773 SCTP_STATE_COOKIE_WAIT) { 774 /* Left with Data unread */ 775 struct mbuf *err; 776 777 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 778 if (err) { 779 /* 780 * Fill in the user 781 * initiated abort 782 */ 783 struct sctp_paramhdr *ph; 784 785 ph = mtod(err, struct sctp_paramhdr *); 786 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 787 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 788 ph->param_length = htons(SCTP_BUF_LEN(err)); 789 } 790#if defined(SCTP_PANIC_ON_ABORT) 791 panic("disconnect does an abort"); 792#endif 793 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 794 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 795 } 796 SCTP_INP_RUNLOCK(inp); 797 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 802 /* No unlock tcb assoc is gone */ 803 return (0); 804 } 805 if (TAILQ_EMPTY(&asoc->send_queue) && 806 TAILQ_EMPTY(&asoc->sent_queue) && 807 (asoc->stream_queue_cnt == 0)) { 808 /* there is nothing queued to send, so done */ 809 if (asoc->locked_on_sending) { 810 goto abort_anyway; 811 } 812 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 813 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 814 /* only send SHUTDOWN 1st time thru */ 815 struct sctp_nets *netp; 816 817 if (stcb->asoc.alternate) { 818 netp = stcb->asoc.alternate; 819 } else { 820 netp = stcb->asoc.primary_destination; 821 } 822 sctp_stop_timers_for_shutdown(stcb); 823 sctp_send_shutdown(stcb, netp); 824 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 825 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 826 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 827 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 828 } 829 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 830 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 831 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 832 stcb->sctp_ep, stcb, netp); 833 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 834 stcb->sctp_ep, stcb, netp); 835 836 } 837 } else { 838 /* 839 * we still got (or just got) data to send, 840 * so set SHUTDOWN_PENDING 841 */ 842 /* 843 * XXX sockets draft says that SCTP_EOF 844 * should be sent with no data. currently, 845 * we will allow user data to be sent first 846 * and move to SHUTDOWN-PENDING 847 */ 848 struct sctp_nets *netp; 849 850 if (stcb->asoc.alternate) { 851 netp = stcb->asoc.alternate; 852 } else { 853 netp = stcb->asoc.primary_destination; 854 } 855 856 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 857 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 858 netp); 859 if (asoc->locked_on_sending) { 860 /* Locked to send out the data */ 861 struct sctp_stream_queue_pending *sp; 862 863 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 864 if (sp == NULL) { 865 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 866 asoc->locked_on_sending->stream_no); 867 } else { 868 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 869 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 870 } 871 } 872 if (TAILQ_EMPTY(&asoc->send_queue) && 873 TAILQ_EMPTY(&asoc->sent_queue) && 874 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 875 struct mbuf *op_err; 876 877 abort_anyway: 878 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 879 0, M_DONTWAIT, 1, MT_DATA); 880 if (op_err) { 881 /* 882 * Fill in the user 883 * initiated abort 884 */ 885 struct sctp_paramhdr *ph; 886 uint32_t *ippp; 887 888 SCTP_BUF_LEN(op_err) = 889 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 890 ph = mtod(op_err, 891 struct sctp_paramhdr *); 892 ph->param_type = htons( 893 SCTP_CAUSE_USER_INITIATED_ABT); 894 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 895 ippp = (uint32_t *) (ph + 1); 896 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 897 } 898#if defined(SCTP_PANIC_ON_ABORT) 899 panic("disconnect does an abort"); 900#endif 901 902 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 903 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 904 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 905 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 906 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 907 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 908 } 909 SCTP_INP_RUNLOCK(inp); 910 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 911 return (0); 912 } else { 913 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 914 } 915 } 916 soisdisconnecting(so); 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 /* not reached */ 922 } else { 923 /* UDP model does not support this */ 924 SCTP_INP_RUNLOCK(inp); 925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 926 return EOPNOTSUPP; 927 } 928} 929 930int 931sctp_flush(struct socket *so, int how) 932{ 933 /* 934 * We will just clear out the values and let subsequent close clear 935 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 936 * they will not be able to read the data, the socket will block 937 * that from happening. 938 */ 939 struct sctp_inpcb *inp; 940 941 inp = (struct sctp_inpcb *)so->so_pcb; 942 if (inp == NULL) { 943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 944 return EINVAL; 945 } 946 SCTP_INP_RLOCK(inp); 947 /* For the 1 to many model this does nothing */ 948 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 949 SCTP_INP_RUNLOCK(inp); 950 return (0); 951 } 952 SCTP_INP_RUNLOCK(inp); 953 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 954 /* 955 * First make sure the sb will be happy, we don't use these 956 * except maybe the count 957 */ 958 SCTP_INP_WLOCK(inp); 959 SCTP_INP_READ_LOCK(inp); 960 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 961 SCTP_INP_READ_UNLOCK(inp); 962 SCTP_INP_WUNLOCK(inp); 963 so->so_rcv.sb_cc = 0; 964 so->so_rcv.sb_mbcnt = 0; 965 so->so_rcv.sb_mb = NULL; 966 } 967 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 968 /* 969 * First make sure the sb will be happy, we don't use these 970 * except maybe the count 971 */ 972 so->so_snd.sb_cc = 0; 973 so->so_snd.sb_mbcnt = 0; 974 so->so_snd.sb_mb = NULL; 975 976 } 977 return (0); 978} 979 980int 981sctp_shutdown(struct socket *so) 982{ 983 struct sctp_inpcb *inp; 984 985 inp = (struct sctp_inpcb *)so->so_pcb; 986 if (inp == 0) { 987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 988 return EINVAL; 989 } 990 SCTP_INP_RLOCK(inp); 991 /* For UDP model this is a invalid call */ 992 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 993 /* Restore the flags that the soshutdown took away. */ 994 SOCKBUF_LOCK(&so->so_rcv); 995 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 996 SOCKBUF_UNLOCK(&so->so_rcv); 997 /* This proc will wakeup for read and do nothing (I hope) */ 998 SCTP_INP_RUNLOCK(inp); 999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1000 return (EOPNOTSUPP); 1001 } 1002 /* 1003 * Ok if we reach here its the TCP model and it is either a SHUT_WR 1004 * or SHUT_RDWR. This means we put the shutdown flag against it. 1005 */ 1006 { 1007 struct sctp_tcb *stcb; 1008 struct sctp_association *asoc; 1009 1010 if ((so->so_state & 1011 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1012 SCTP_INP_RUNLOCK(inp); 1013 return (ENOTCONN); 1014 } 1015 socantsendmore(so); 1016 1017 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1018 if (stcb == NULL) { 1019 /* 1020 * Ok we hit the case that the shutdown call was 1021 * made after an abort or something. Nothing to do 1022 * now. 1023 */ 1024 SCTP_INP_RUNLOCK(inp); 1025 return (0); 1026 } 1027 SCTP_TCB_LOCK(stcb); 1028 asoc = &stcb->asoc; 1029 if (TAILQ_EMPTY(&asoc->send_queue) && 1030 TAILQ_EMPTY(&asoc->sent_queue) && 1031 (asoc->stream_queue_cnt == 0)) { 1032 if (asoc->locked_on_sending) { 1033 goto abort_anyway; 1034 } 1035 /* there is nothing queued to send, so I'm done... */ 1036 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1037 /* only send SHUTDOWN the first time through */ 1038 struct sctp_nets *netp; 1039 1040 if (stcb->asoc.alternate) { 1041 netp = stcb->asoc.alternate; 1042 } else { 1043 netp = stcb->asoc.primary_destination; 1044 } 1045 sctp_stop_timers_for_shutdown(stcb); 1046 sctp_send_shutdown(stcb, netp); 1047 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1048 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1049 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1050 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1051 } 1052 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1053 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1054 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1055 stcb->sctp_ep, stcb, netp); 1056 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1057 stcb->sctp_ep, stcb, netp); 1058 } 1059 } else { 1060 /* 1061 * we still got (or just got) data to send, so set 1062 * SHUTDOWN_PENDING 1063 */ 1064 struct sctp_nets *netp; 1065 1066 if (stcb->asoc.alternate) { 1067 netp = stcb->asoc.alternate; 1068 } else { 1069 netp = stcb->asoc.primary_destination; 1070 } 1071 1072 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1073 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1074 netp); 1075 1076 if (asoc->locked_on_sending) { 1077 /* Locked to send out the data */ 1078 struct sctp_stream_queue_pending *sp; 1079 1080 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1081 if (sp == NULL) { 1082 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1083 asoc->locked_on_sending->stream_no); 1084 } else { 1085 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1086 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1087 } 1088 } 1089 } 1090 if (TAILQ_EMPTY(&asoc->send_queue) && 1091 TAILQ_EMPTY(&asoc->sent_queue) && 1092 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1093 struct mbuf *op_err; 1094 1095 abort_anyway: 1096 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1097 0, M_DONTWAIT, 1, MT_DATA); 1098 if (op_err) { 1099 /* Fill in the user initiated abort */ 1100 struct sctp_paramhdr *ph; 1101 uint32_t *ippp; 1102 1103 SCTP_BUF_LEN(op_err) = 1104 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1105 ph = mtod(op_err, 1106 struct sctp_paramhdr *); 1107 ph->param_type = htons( 1108 SCTP_CAUSE_USER_INITIATED_ABT); 1109 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1110 ippp = (uint32_t *) (ph + 1); 1111 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1112 } 1113#if defined(SCTP_PANIC_ON_ABORT) 1114 panic("shutdown does an abort"); 1115#endif 1116 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1117 sctp_abort_an_association(stcb->sctp_ep, stcb, 1118 SCTP_RESPONSE_TO_USER_REQ, 1119 op_err, SCTP_SO_LOCKED); 1120 goto skip_unlock; 1121 } else { 1122 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1123 } 1124 } 1125 SCTP_TCB_UNLOCK(stcb); 1126 } 1127skip_unlock: 1128 SCTP_INP_RUNLOCK(inp); 1129 return 0; 1130} 1131 1132/* 1133 * copies a "user" presentable address and removes embedded scope, etc. 1134 * returns 0 on success, 1 on error 1135 */ 1136static uint32_t 1137sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1138{ 1139#ifdef INET6 1140 struct sockaddr_in6 lsa6; 1141 1142 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1143 &lsa6); 1144#endif 1145 memcpy(ss, sa, sa->sa_len); 1146 return (0); 1147} 1148 1149 1150 1151/* 1152 * NOTE: assumes addr lock is held 1153 */ 1154static size_t 1155sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1156 struct sctp_tcb *stcb, 1157 size_t limit, 1158 struct sockaddr_storage *sas, 1159 uint32_t vrf_id) 1160{ 1161 struct sctp_ifn *sctp_ifn; 1162 struct sctp_ifa *sctp_ifa; 1163 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1164 size_t actual; 1165 int ipv4_addr_legal, ipv6_addr_legal; 1166 struct sctp_vrf *vrf; 1167 1168 actual = 0; 1169 if (limit <= 0) 1170 return (actual); 1171 1172 if (stcb) { 1173 /* Turn on all the appropriate scope */ 1174 loopback_scope = stcb->asoc.loopback_scope; 1175 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1176 local_scope = stcb->asoc.local_scope; 1177 site_scope = stcb->asoc.site_scope; 1178 } else { 1179 /* Turn on ALL scope, since we look at the EP */ 1180 loopback_scope = ipv4_local_scope = local_scope = 1181 site_scope = 1; 1182 } 1183 ipv4_addr_legal = ipv6_addr_legal = 0; 1184 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1185 ipv6_addr_legal = 1; 1186 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1187 ipv4_addr_legal = 1; 1188 } 1189 } else { 1190 ipv4_addr_legal = 1; 1191 } 1192 vrf = sctp_find_vrf(vrf_id); 1193 if (vrf == NULL) { 1194 return (0); 1195 } 1196 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1197 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1198 if ((loopback_scope == 0) && 1199 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1200 /* Skip loopback if loopback_scope not set */ 1201 continue; 1202 } 1203 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1204 if (stcb) { 1205 /* 1206 * For the BOUND-ALL case, the list 1207 * associated with a TCB is Always 1208 * considered a reverse list.. i.e. 1209 * it lists addresses that are NOT 1210 * part of the association. If this 1211 * is one of those we must skip it. 1212 */ 1213 if (sctp_is_addr_restricted(stcb, 1214 sctp_ifa)) { 1215 continue; 1216 } 1217 } 1218 switch (sctp_ifa->address.sa.sa_family) { 1219#ifdef INET 1220 case AF_INET: 1221 if (ipv4_addr_legal) { 1222 struct sockaddr_in *sin; 1223 1224 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1225 if (sin->sin_addr.s_addr == 0) { 1226 /* 1227 * we skip 1228 * unspecifed 1229 * addresses 1230 */ 1231 continue; 1232 } 1233 if ((ipv4_local_scope == 0) && 1234 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1235 continue; 1236 } 1237#ifdef INET6 1238 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1239 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1240 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1241 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1242 actual += sizeof(struct sockaddr_in6); 1243 } else { 1244#endif 1245 memcpy(sas, sin, sizeof(*sin)); 1246 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1247 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1248 actual += sizeof(*sin); 1249#ifdef INET6 1250 } 1251#endif 1252 if (actual >= limit) { 1253 return (actual); 1254 } 1255 } else { 1256 continue; 1257 } 1258 break; 1259#endif 1260#ifdef INET6 1261 case AF_INET6: 1262 if (ipv6_addr_legal) { 1263 struct sockaddr_in6 *sin6; 1264 1265 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1266 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1267 /* 1268 * we skip 1269 * unspecifed 1270 * addresses 1271 */ 1272 continue; 1273 } 1274 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1275 if (local_scope == 0) 1276 continue; 1277 if (sin6->sin6_scope_id == 0) { 1278 if (sa6_recoverscope(sin6) != 0) 1279 /* 1280 * 1281 * bad 1282 * 1283 * li 1284 * nk 1285 * 1286 * loc 1287 * al 1288 * 1289 * add 1290 * re 1291 * ss 1292 * */ 1293 continue; 1294 } 1295 } 1296 if ((site_scope == 0) && 1297 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1298 continue; 1299 } 1300 memcpy(sas, sin6, sizeof(*sin6)); 1301 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1302 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1303 actual += sizeof(*sin6); 1304 if (actual >= limit) { 1305 return (actual); 1306 } 1307 } else { 1308 continue; 1309 } 1310 break; 1311#endif 1312 default: 1313 /* TSNH */ 1314 break; 1315 } 1316 } 1317 } 1318 } else { 1319 struct sctp_laddr *laddr; 1320 1321 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1322 if (stcb) { 1323 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1324 continue; 1325 } 1326 } 1327 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1328 continue; 1329 1330 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1331 sas = (struct sockaddr_storage *)((caddr_t)sas + 1332 laddr->ifa->address.sa.sa_len); 1333 actual += laddr->ifa->address.sa.sa_len; 1334 if (actual >= limit) { 1335 return (actual); 1336 } 1337 } 1338 } 1339 return (actual); 1340} 1341 1342static size_t 1343sctp_fill_up_addresses(struct sctp_inpcb *inp, 1344 struct sctp_tcb *stcb, 1345 size_t limit, 1346 struct sockaddr_storage *sas) 1347{ 1348 size_t size = 0; 1349 1350 SCTP_IPI_ADDR_RLOCK(); 1351 /* fill up addresses for the endpoint's default vrf */ 1352 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1353 inp->def_vrf_id); 1354 SCTP_IPI_ADDR_RUNLOCK(); 1355 return (size); 1356} 1357 1358/* 1359 * NOTE: assumes addr lock is held 1360 */ 1361static int 1362sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1363{ 1364 int cnt = 0; 1365 struct sctp_vrf *vrf = NULL; 1366 1367 /* 1368 * In both sub-set bound an bound_all cases we return the MAXIMUM 1369 * number of addresses that you COULD get. In reality the sub-set 1370 * bound may have an exclusion list for a given TCB OR in the 1371 * bound-all case a TCB may NOT include the loopback or other 1372 * addresses as well. 1373 */ 1374 vrf = sctp_find_vrf(vrf_id); 1375 if (vrf == NULL) { 1376 return (0); 1377 } 1378 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1379 struct sctp_ifn *sctp_ifn; 1380 struct sctp_ifa *sctp_ifa; 1381 1382 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1383 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1384 /* Count them if they are the right type */ 1385 switch (sctp_ifa->address.sa.sa_family) { 1386#ifdef INET 1387 case AF_INET: 1388 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1389 cnt += sizeof(struct sockaddr_in6); 1390 else 1391 cnt += sizeof(struct sockaddr_in); 1392 break; 1393#endif 1394#ifdef INET6 1395 case AF_INET6: 1396 cnt += sizeof(struct sockaddr_in6); 1397 break; 1398#endif 1399 default: 1400 break; 1401 } 1402 } 1403 } 1404 } else { 1405 struct sctp_laddr *laddr; 1406 1407 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1408 switch (laddr->ifa->address.sa.sa_family) { 1409#ifdef INET 1410 case AF_INET: 1411 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1412 cnt += sizeof(struct sockaddr_in6); 1413 else 1414 cnt += sizeof(struct sockaddr_in); 1415 break; 1416#endif 1417#ifdef INET6 1418 case AF_INET6: 1419 cnt += sizeof(struct sockaddr_in6); 1420 break; 1421#endif 1422 default: 1423 break; 1424 } 1425 } 1426 } 1427 return (cnt); 1428} 1429 1430static int 1431sctp_count_max_addresses(struct sctp_inpcb *inp) 1432{ 1433 int cnt = 0; 1434 1435 SCTP_IPI_ADDR_RLOCK(); 1436 /* count addresses for the endpoint's default VRF */ 1437 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1438 SCTP_IPI_ADDR_RUNLOCK(); 1439 return (cnt); 1440} 1441 1442static int 1443sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1444 size_t optsize, void *p, int delay) 1445{ 1446 int error = 0; 1447 int creat_lock_on = 0; 1448 struct sctp_tcb *stcb = NULL; 1449 struct sockaddr *sa; 1450 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1451 uint32_t vrf_id; 1452 int bad_addresses = 0; 1453 sctp_assoc_t *a_id; 1454 1455 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1456 1457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1458 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1459 /* We are already connected AND the TCP model */ 1460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1461 return (EADDRINUSE); 1462 } 1463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1464 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1465 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1466 return (EINVAL); 1467 } 1468 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1469 SCTP_INP_RLOCK(inp); 1470 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1471 SCTP_INP_RUNLOCK(inp); 1472 } 1473 if (stcb) { 1474 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1475 return (EALREADY); 1476 } 1477 SCTP_INP_INCR_REF(inp); 1478 SCTP_ASOC_CREATE_LOCK(inp); 1479 creat_lock_on = 1; 1480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1481 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1482 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1483 error = EFAULT; 1484 goto out_now; 1485 } 1486 totaddrp = (int *)optval; 1487 totaddr = *totaddrp; 1488 sa = (struct sockaddr *)(totaddrp + 1); 1489 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1490 if ((stcb != NULL) || bad_addresses) { 1491 /* Already have or am bring up an association */ 1492 SCTP_ASOC_CREATE_UNLOCK(inp); 1493 creat_lock_on = 0; 1494 if (stcb) 1495 SCTP_TCB_UNLOCK(stcb); 1496 if (bad_addresses == 0) { 1497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1498 error = EALREADY; 1499 } 1500 goto out_now; 1501 } 1502#ifdef INET6 1503 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1504 (num_v6 > 0)) { 1505 error = EINVAL; 1506 goto out_now; 1507 } 1508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1509 (num_v4 > 0)) { 1510 struct in6pcb *inp6; 1511 1512 inp6 = (struct in6pcb *)inp; 1513 if (SCTP_IPV6_V6ONLY(inp6)) { 1514 /* 1515 * if IPV6_V6ONLY flag, ignore connections destined 1516 * to a v4 addr or v4-mapped addr 1517 */ 1518 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1519 error = EINVAL; 1520 goto out_now; 1521 } 1522 } 1523#endif /* INET6 */ 1524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1525 SCTP_PCB_FLAGS_UNBOUND) { 1526 /* Bind a ephemeral port */ 1527 error = sctp_inpcb_bind(so, NULL, NULL, p); 1528 if (error) { 1529 goto out_now; 1530 } 1531 } 1532 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1533 vrf_id = inp->def_vrf_id; 1534 1535 1536 /* We are GOOD to go */ 1537 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1538 (struct thread *)p 1539 ); 1540 if (stcb == NULL) { 1541 /* Gak! no memory */ 1542 goto out_now; 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 == 0) { 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 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1865 &av->stream_value) < 0) { 1866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1867 error = EINVAL; 1868 } else { 1869 *optsize = sizeof(struct sctp_stream_value); 1870 } 1871 SCTP_TCB_UNLOCK(stcb); 1872 } else { 1873 /* 1874 * Can't get stream value without 1875 * association 1876 */ 1877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1878 error = EINVAL; 1879 } 1880 break; 1881 } 1882 case SCTP_GET_ADDR_LEN: 1883 { 1884 struct sctp_assoc_value *av; 1885 1886 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1887 error = EINVAL; 1888#ifdef INET 1889 if (av->assoc_value == AF_INET) { 1890 av->assoc_value = sizeof(struct sockaddr_in); 1891 error = 0; 1892 } 1893#endif 1894#ifdef INET6 1895 if (av->assoc_value == AF_INET6) { 1896 av->assoc_value = sizeof(struct sockaddr_in6); 1897 error = 0; 1898 } 1899#endif 1900 if (error) { 1901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1902 } else { 1903 *optsize = sizeof(struct sctp_assoc_value); 1904 } 1905 break; 1906 } 1907 case SCTP_GET_ASSOC_NUMBER: 1908 { 1909 uint32_t *value, cnt; 1910 1911 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1912 cnt = 0; 1913 SCTP_INP_RLOCK(inp); 1914 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1915 cnt++; 1916 } 1917 SCTP_INP_RUNLOCK(inp); 1918 *value = cnt; 1919 *optsize = sizeof(uint32_t); 1920 break; 1921 } 1922 case SCTP_GET_ASSOC_ID_LIST: 1923 { 1924 struct sctp_assoc_ids *ids; 1925 unsigned int at, limit; 1926 1927 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1928 at = 0; 1929 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1930 SCTP_INP_RLOCK(inp); 1931 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1932 if (at < limit) { 1933 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1934 } else { 1935 error = EINVAL; 1936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1937 break; 1938 } 1939 } 1940 SCTP_INP_RUNLOCK(inp); 1941 if (error == 0) { 1942 ids->gaids_number_of_ids = at; 1943 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1944 } 1945 break; 1946 } 1947 case SCTP_CONTEXT: 1948 { 1949 struct sctp_assoc_value *av; 1950 1951 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1952 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1953 1954 if (stcb) { 1955 av->assoc_value = stcb->asoc.context; 1956 SCTP_TCB_UNLOCK(stcb); 1957 } else { 1958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1959 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1960 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1961 SCTP_INP_RLOCK(inp); 1962 av->assoc_value = inp->sctp_context; 1963 SCTP_INP_RUNLOCK(inp); 1964 } else { 1965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1966 error = EINVAL; 1967 } 1968 } 1969 if (error == 0) { 1970 *optsize = sizeof(struct sctp_assoc_value); 1971 } 1972 break; 1973 } 1974 case SCTP_VRF_ID: 1975 { 1976 uint32_t *default_vrfid; 1977 1978 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1979 *default_vrfid = inp->def_vrf_id; 1980 *optsize = sizeof(uint32_t); 1981 break; 1982 } 1983 case SCTP_GET_ASOC_VRF: 1984 { 1985 struct sctp_assoc_value *id; 1986 1987 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1988 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1989 if (stcb == NULL) { 1990 error = EINVAL; 1991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1992 } else { 1993 id->assoc_value = stcb->asoc.vrf_id; 1994 *optsize = sizeof(struct sctp_assoc_value); 1995 } 1996 break; 1997 } 1998 case SCTP_GET_VRF_IDS: 1999 { 2000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2001 error = EOPNOTSUPP; 2002 break; 2003 } 2004 case SCTP_GET_NONCE_VALUES: 2005 { 2006 struct sctp_get_nonce_values *gnv; 2007 2008 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2009 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2010 2011 if (stcb) { 2012 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2013 gnv->gn_local_tag = stcb->asoc.my_vtag; 2014 SCTP_TCB_UNLOCK(stcb); 2015 *optsize = sizeof(struct sctp_get_nonce_values); 2016 } else { 2017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2018 error = ENOTCONN; 2019 } 2020 break; 2021 } 2022 case SCTP_DELAYED_SACK: 2023 { 2024 struct sctp_sack_info *sack; 2025 2026 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2027 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2028 if (stcb) { 2029 sack->sack_delay = stcb->asoc.delayed_ack; 2030 sack->sack_freq = stcb->asoc.sack_freq; 2031 SCTP_TCB_UNLOCK(stcb); 2032 } else { 2033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2035 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2036 SCTP_INP_RLOCK(inp); 2037 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2038 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2039 SCTP_INP_RUNLOCK(inp); 2040 } else { 2041 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2042 error = EINVAL; 2043 } 2044 } 2045 if (error == 0) { 2046 *optsize = sizeof(struct sctp_sack_info); 2047 } 2048 break; 2049 } 2050 case SCTP_GET_SNDBUF_USE: 2051 { 2052 struct sctp_sockstat *ss; 2053 2054 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2055 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2056 2057 if (stcb) { 2058 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2059 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2060 stcb->asoc.size_on_all_streams); 2061 SCTP_TCB_UNLOCK(stcb); 2062 *optsize = sizeof(struct sctp_sockstat); 2063 } else { 2064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2065 error = ENOTCONN; 2066 } 2067 break; 2068 } 2069 case SCTP_MAX_BURST: 2070 { 2071 struct sctp_assoc_value *av; 2072 2073 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2074 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2075 2076 if (stcb) { 2077 av->assoc_value = stcb->asoc.max_burst; 2078 SCTP_TCB_UNLOCK(stcb); 2079 } else { 2080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2082 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2083 SCTP_INP_RLOCK(inp); 2084 av->assoc_value = inp->sctp_ep.max_burst; 2085 SCTP_INP_RUNLOCK(inp); 2086 } else { 2087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2088 error = EINVAL; 2089 } 2090 } 2091 if (error == 0) { 2092 *optsize = sizeof(struct sctp_assoc_value); 2093 } 2094 break; 2095 } 2096 case SCTP_MAXSEG: 2097 { 2098 struct sctp_assoc_value *av; 2099 int ovh; 2100 2101 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2102 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2103 2104 if (stcb) { 2105 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2106 SCTP_TCB_UNLOCK(stcb); 2107 } else { 2108 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2109 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2110 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2111 SCTP_INP_RLOCK(inp); 2112 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2113 ovh = SCTP_MED_OVERHEAD; 2114 } else { 2115 ovh = SCTP_MED_V4_OVERHEAD; 2116 } 2117 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2118 av->assoc_value = 0; 2119 else 2120 av->assoc_value = inp->sctp_frag_point - ovh; 2121 SCTP_INP_RUNLOCK(inp); 2122 } else { 2123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2124 error = EINVAL; 2125 } 2126 } 2127 if (error == 0) { 2128 *optsize = sizeof(struct sctp_assoc_value); 2129 } 2130 break; 2131 } 2132 case SCTP_GET_STAT_LOG: 2133 error = sctp_fill_stat_log(optval, optsize); 2134 break; 2135 case SCTP_EVENTS: 2136 { 2137 struct sctp_event_subscribe *events; 2138 2139 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2140 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2141 SCTP_INP_RLOCK(inp); 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2143 events->sctp_data_io_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2146 events->sctp_association_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2149 events->sctp_address_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2152 events->sctp_send_failure_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2155 events->sctp_peer_error_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2158 events->sctp_shutdown_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2161 events->sctp_partial_delivery_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2164 events->sctp_adaptation_layer_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2167 events->sctp_authentication_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2170 events->sctp_sender_dry_event = 1; 2171 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2173 events->sctp_stream_reset_event = 1; 2174 SCTP_INP_RUNLOCK(inp); 2175 *optsize = sizeof(struct sctp_event_subscribe); 2176 break; 2177 } 2178 case SCTP_ADAPTATION_LAYER: 2179 { 2180 uint32_t *value; 2181 2182 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2183 2184 SCTP_INP_RLOCK(inp); 2185 *value = inp->sctp_ep.adaptation_layer_indicator; 2186 SCTP_INP_RUNLOCK(inp); 2187 *optsize = sizeof(uint32_t); 2188 break; 2189 } 2190 case SCTP_SET_INITIAL_DBG_SEQ: 2191 { 2192 uint32_t *value; 2193 2194 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2195 SCTP_INP_RLOCK(inp); 2196 *value = inp->sctp_ep.initial_sequence_debug; 2197 SCTP_INP_RUNLOCK(inp); 2198 *optsize = sizeof(uint32_t); 2199 break; 2200 } 2201 case SCTP_GET_LOCAL_ADDR_SIZE: 2202 { 2203 uint32_t *value; 2204 2205 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2206 SCTP_INP_RLOCK(inp); 2207 *value = sctp_count_max_addresses(inp); 2208 SCTP_INP_RUNLOCK(inp); 2209 *optsize = sizeof(uint32_t); 2210 break; 2211 } 2212 case SCTP_GET_REMOTE_ADDR_SIZE: 2213 { 2214 uint32_t *value; 2215 size_t size; 2216 struct sctp_nets *net; 2217 2218 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2219 /* FIXME MT: change to sctp_assoc_value? */ 2220 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2221 2222 if (stcb) { 2223 size = 0; 2224 /* Count the sizes */ 2225 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2226 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2227 size += sizeof(struct sockaddr_in6); 2228 } else { 2229 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2230#ifdef INET 2231 case AF_INET: 2232 size += sizeof(struct sockaddr_in); 2233 break; 2234#endif 2235#ifdef INET6 2236 case AF_INET6: 2237 size += sizeof(struct sockaddr_in6); 2238 break; 2239#endif 2240 default: 2241 break; 2242 } 2243 } 2244 } 2245 SCTP_TCB_UNLOCK(stcb); 2246 *value = (uint32_t) size; 2247 *optsize = sizeof(uint32_t); 2248 } else { 2249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2250 error = ENOTCONN; 2251 } 2252 break; 2253 } 2254 case SCTP_GET_PEER_ADDRESSES: 2255 /* 2256 * Get the address information, an array is passed in to 2257 * fill up we pack it. 2258 */ 2259 { 2260 size_t cpsz, left; 2261 struct sockaddr_storage *sas; 2262 struct sctp_nets *net; 2263 struct sctp_getaddresses *saddr; 2264 2265 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2266 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2267 2268 if (stcb) { 2269 left = (*optsize) - sizeof(struct sctp_getaddresses); 2270 *optsize = sizeof(struct sctp_getaddresses); 2271 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2272 2273 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2274 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2275 cpsz = sizeof(struct sockaddr_in6); 2276 } else { 2277 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2278#ifdef INET 2279 case AF_INET: 2280 cpsz = sizeof(struct sockaddr_in); 2281 break; 2282#endif 2283#ifdef INET6 2284 case AF_INET6: 2285 cpsz = sizeof(struct sockaddr_in6); 2286 break; 2287#endif 2288 default: 2289 cpsz = 0; 2290 break; 2291 } 2292 } 2293 if (cpsz == 0) { 2294 break; 2295 } 2296 if (left < cpsz) { 2297 /* not enough room. */ 2298 break; 2299 } 2300#if defined(INET) && defined(INET6) 2301 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2302 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2303 /* Must map the address */ 2304 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2305 (struct sockaddr_in6 *)sas); 2306 } else { 2307#endif 2308 memcpy(sas, &net->ro._l_addr, cpsz); 2309#if defined(INET) && defined(INET6) 2310 } 2311#endif 2312 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2313 2314 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2315 left -= cpsz; 2316 *optsize += cpsz; 2317 } 2318 SCTP_TCB_UNLOCK(stcb); 2319 } else { 2320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2321 error = ENOENT; 2322 } 2323 break; 2324 } 2325 case SCTP_GET_LOCAL_ADDRESSES: 2326 { 2327 size_t limit, actual; 2328 struct sockaddr_storage *sas; 2329 struct sctp_getaddresses *saddr; 2330 2331 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2332 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2333 2334 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2335 limit = *optsize - sizeof(sctp_assoc_t); 2336 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2337 if (stcb) { 2338 SCTP_TCB_UNLOCK(stcb); 2339 } 2340 *optsize = sizeof(struct sockaddr_storage) + actual; 2341 break; 2342 } 2343 case SCTP_PEER_ADDR_PARAMS: 2344 { 2345 struct sctp_paddrparams *paddrp; 2346 struct sctp_nets *net; 2347 2348 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2349 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2350 2351 net = NULL; 2352 if (stcb) { 2353 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2354 } else { 2355 /* 2356 * We increment here since 2357 * sctp_findassociation_ep_addr() wil do a 2358 * decrement if it finds the stcb as long as 2359 * the locked tcb (last argument) is NOT a 2360 * TCB.. aka NULL. 2361 */ 2362 SCTP_INP_INCR_REF(inp); 2363 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2364 if (stcb == NULL) { 2365 SCTP_INP_DECR_REF(inp); 2366 } 2367 } 2368 if (stcb && (net == NULL)) { 2369 struct sockaddr *sa; 2370 2371 sa = (struct sockaddr *)&paddrp->spp_address; 2372#ifdef INET 2373 if (sa->sa_family == AF_INET) { 2374 struct sockaddr_in *sin; 2375 2376 sin = (struct sockaddr_in *)sa; 2377 if (sin->sin_addr.s_addr) { 2378 error = EINVAL; 2379 SCTP_TCB_UNLOCK(stcb); 2380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2381 break; 2382 } 2383 } else 2384#endif 2385#ifdef INET6 2386 if (sa->sa_family == AF_INET6) { 2387 struct sockaddr_in6 *sin6; 2388 2389 sin6 = (struct sockaddr_in6 *)sa; 2390 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2391 error = EINVAL; 2392 SCTP_TCB_UNLOCK(stcb); 2393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2394 break; 2395 } 2396 } else 2397#endif 2398 { 2399 error = EAFNOSUPPORT; 2400 SCTP_TCB_UNLOCK(stcb); 2401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2402 break; 2403 } 2404 } 2405 if (stcb) { 2406 /* Applies to the specific association */ 2407 paddrp->spp_flags = 0; 2408 if (net) { 2409 int ovh; 2410 2411 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2412 ovh = SCTP_MED_OVERHEAD; 2413 } else { 2414 ovh = SCTP_MED_V4_OVERHEAD; 2415 } 2416 2417 paddrp->spp_hbinterval = net->heart_beat_delay; 2418 paddrp->spp_pathmaxrxt = net->failure_threshold; 2419 paddrp->spp_pathmtu = net->mtu - ovh; 2420 /* get flags for HB */ 2421 if (net->dest_state & SCTP_ADDR_NOHB) 2422 paddrp->spp_flags |= SPP_HB_DISABLE; 2423 else 2424 paddrp->spp_flags |= SPP_HB_ENABLE; 2425 /* get flags for PMTU */ 2426 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2427 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2428 } else { 2429 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2430 } 2431#ifdef INET 2432 if (net->ro._l_addr.sin.sin_family == AF_INET) { 2433 paddrp->spp_dscp = net->dscp; 2434 paddrp->spp_flags |= SPP_DSCP; 2435 } 2436#endif 2437#ifdef INET6 2438 if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 2439 paddrp->spp_ipv6_flowlabel = net->flowlabel; 2440 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2441 } 2442#endif 2443 } else { 2444 /* 2445 * No destination so return default 2446 * value 2447 */ 2448 int cnt = 0; 2449 2450 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2451 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2452#ifdef INET 2453 paddrp->spp_dscp = stcb->asoc.default_dscp & 0x000000fc; 2454 paddrp->spp_flags |= SPP_DSCP; 2455#endif 2456#ifdef INET6 2457 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 2458 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2459#endif 2460 /* default settings should be these */ 2461 if (sctp_is_feature_on(stcb->sctp_ep, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2462 paddrp->spp_flags |= SPP_HB_DISABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_HB_ENABLE; 2465 } 2466 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2467 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2468 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2469 cnt++; 2470 } 2471 } 2472 if (cnt) { 2473 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2474 } 2475 } 2476 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2477 SCTP_TCB_UNLOCK(stcb); 2478 } else { 2479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2481 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2482 /* Use endpoint defaults */ 2483 SCTP_INP_RLOCK(inp); 2484 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2485 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2486 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2487 /* get inp's default */ 2488#ifdef INET 2489 paddrp->spp_dscp = inp->ip_inp.inp.inp_ip_tos; 2490 paddrp->spp_flags |= SPP_DSCP; 2491#endif 2492#ifdef INET6 2493 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2494 paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 2495 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2496 } 2497#endif 2498 /* can't return this */ 2499 paddrp->spp_pathmtu = 0; 2500 2501 /* default behavior, no stcb */ 2502 paddrp->spp_flags = SPP_PMTUD_ENABLE; 2503 2504 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2505 paddrp->spp_flags |= SPP_HB_ENABLE; 2506 } else { 2507 paddrp->spp_flags |= SPP_HB_DISABLE; 2508 } 2509 SCTP_INP_RUNLOCK(inp); 2510 } else { 2511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2512 error = EINVAL; 2513 } 2514 } 2515 if (error == 0) { 2516 *optsize = sizeof(struct sctp_paddrparams); 2517 } 2518 break; 2519 } 2520 case SCTP_GET_PEER_ADDR_INFO: 2521 { 2522 struct sctp_paddrinfo *paddri; 2523 struct sctp_nets *net; 2524 2525 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2526 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2527 2528 net = NULL; 2529 if (stcb) { 2530 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2531 } else { 2532 /* 2533 * We increment here since 2534 * sctp_findassociation_ep_addr() wil do a 2535 * decrement if it finds the stcb as long as 2536 * the locked tcb (last argument) is NOT a 2537 * TCB.. aka NULL. 2538 */ 2539 SCTP_INP_INCR_REF(inp); 2540 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2541 if (stcb == NULL) { 2542 SCTP_INP_DECR_REF(inp); 2543 } 2544 } 2545 2546 if ((stcb) && (net)) { 2547 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2548 /* It's unconfirmed */ 2549 paddri->spinfo_state = SCTP_UNCONFIRMED; 2550 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2551 /* It's active */ 2552 paddri->spinfo_state = SCTP_ACTIVE; 2553 } else { 2554 /* It's inactive */ 2555 paddri->spinfo_state = SCTP_INACTIVE; 2556 } 2557 paddri->spinfo_cwnd = net->cwnd; 2558 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2559 paddri->spinfo_rto = net->RTO; 2560 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2561 paddri->spinfo_mtu = net->mtu; 2562 SCTP_TCB_UNLOCK(stcb); 2563 *optsize = sizeof(struct sctp_paddrinfo); 2564 } else { 2565 if (stcb) { 2566 SCTP_TCB_UNLOCK(stcb); 2567 } 2568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2569 error = ENOENT; 2570 } 2571 break; 2572 } 2573 case SCTP_PCB_STATUS: 2574 { 2575 struct sctp_pcbinfo *spcb; 2576 2577 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2578 sctp_fill_pcbinfo(spcb); 2579 *optsize = sizeof(struct sctp_pcbinfo); 2580 break; 2581 } 2582 case SCTP_STATUS: 2583 { 2584 struct sctp_nets *net; 2585 struct sctp_status *sstat; 2586 2587 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2588 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2589 2590 if (stcb == NULL) { 2591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2592 error = EINVAL; 2593 break; 2594 } 2595 /* 2596 * I think passing the state is fine since 2597 * sctp_constants.h will be available to the user 2598 * land. 2599 */ 2600 sstat->sstat_state = stcb->asoc.state; 2601 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2602 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2603 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2604 /* 2605 * We can't include chunks that have been passed to 2606 * the socket layer. Only things in queue. 2607 */ 2608 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2609 stcb->asoc.cnt_on_all_streams); 2610 2611 2612 sstat->sstat_instrms = stcb->asoc.streamincnt; 2613 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2614 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2615 memcpy(&sstat->sstat_primary.spinfo_address, 2616 &stcb->asoc.primary_destination->ro._l_addr, 2617 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2618 net = stcb->asoc.primary_destination; 2619 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2620 /* 2621 * Again the user can get info from sctp_constants.h 2622 * for what the state of the network is. 2623 */ 2624 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2625 /* It's unconfirmed */ 2626 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2627 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2628 /* It's active */ 2629 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2630 } else { 2631 /* It's inactive */ 2632 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2633 } 2634 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2635 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2636 sstat->sstat_primary.spinfo_rto = net->RTO; 2637 sstat->sstat_primary.spinfo_mtu = net->mtu; 2638 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2639 SCTP_TCB_UNLOCK(stcb); 2640 *optsize = sizeof(struct sctp_status); 2641 break; 2642 } 2643 case SCTP_RTOINFO: 2644 { 2645 struct sctp_rtoinfo *srto; 2646 2647 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2648 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2649 2650 if (stcb) { 2651 srto->srto_initial = stcb->asoc.initial_rto; 2652 srto->srto_max = stcb->asoc.maxrto; 2653 srto->srto_min = stcb->asoc.minrto; 2654 SCTP_TCB_UNLOCK(stcb); 2655 } else { 2656 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2657 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2658 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2659 SCTP_INP_RLOCK(inp); 2660 srto->srto_initial = inp->sctp_ep.initial_rto; 2661 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2662 srto->srto_min = inp->sctp_ep.sctp_minrto; 2663 SCTP_INP_RUNLOCK(inp); 2664 } else { 2665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2666 error = EINVAL; 2667 } 2668 } 2669 if (error == 0) { 2670 *optsize = sizeof(struct sctp_rtoinfo); 2671 } 2672 break; 2673 } 2674 case SCTP_TIMEOUTS: 2675 { 2676 struct sctp_timeouts *stimo; 2677 2678 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2679 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2680 2681 if (stcb) { 2682 stimo->stimo_init = stcb->asoc.timoinit; 2683 stimo->stimo_data = stcb->asoc.timodata; 2684 stimo->stimo_sack = stcb->asoc.timosack; 2685 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2686 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2687 stimo->stimo_cookie = stcb->asoc.timocookie; 2688 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2689 SCTP_TCB_UNLOCK(stcb); 2690 *optsize = sizeof(struct sctp_timeouts); 2691 } else { 2692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2693 error = EINVAL; 2694 } 2695 break; 2696 } 2697 case SCTP_ASSOCINFO: 2698 { 2699 struct sctp_assocparams *sasoc; 2700 2701 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2702 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2703 2704 if (stcb) { 2705 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2706 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2707 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2708 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2709 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2710 SCTP_TCB_UNLOCK(stcb); 2711 } else { 2712 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2713 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2714 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2715 SCTP_INP_RLOCK(inp); 2716 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2717 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2718 sasoc->sasoc_number_peer_destinations = 0; 2719 sasoc->sasoc_peer_rwnd = 0; 2720 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2721 SCTP_INP_RUNLOCK(inp); 2722 } else { 2723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2724 error = EINVAL; 2725 } 2726 } 2727 if (error == 0) { 2728 *optsize = sizeof(struct sctp_assocparams); 2729 } 2730 break; 2731 } 2732 case SCTP_DEFAULT_SEND_PARAM: 2733 { 2734 struct sctp_sndrcvinfo *s_info; 2735 2736 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2737 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2738 2739 if (stcb) { 2740 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2741 SCTP_TCB_UNLOCK(stcb); 2742 } else { 2743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2745 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2746 SCTP_INP_RLOCK(inp); 2747 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2748 SCTP_INP_RUNLOCK(inp); 2749 } else { 2750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2751 error = EINVAL; 2752 } 2753 } 2754 if (error == 0) { 2755 *optsize = sizeof(struct sctp_sndrcvinfo); 2756 } 2757 break; 2758 } 2759 case SCTP_INITMSG: 2760 { 2761 struct sctp_initmsg *sinit; 2762 2763 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2764 SCTP_INP_RLOCK(inp); 2765 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2766 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2767 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2768 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2769 SCTP_INP_RUNLOCK(inp); 2770 *optsize = sizeof(struct sctp_initmsg); 2771 break; 2772 } 2773 case SCTP_PRIMARY_ADDR: 2774 /* we allow a "get" operation on this */ 2775 { 2776 struct sctp_setprim *ssp; 2777 2778 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2779 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2780 2781 if (stcb) { 2782 /* simply copy out the sockaddr_storage... */ 2783 int len; 2784 2785 len = *optsize; 2786 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2787 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2788 2789 memcpy(&ssp->ssp_addr, 2790 &stcb->asoc.primary_destination->ro._l_addr, 2791 len); 2792 SCTP_TCB_UNLOCK(stcb); 2793 *optsize = sizeof(struct sctp_setprim); 2794 } else { 2795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2796 error = EINVAL; 2797 } 2798 break; 2799 } 2800 case SCTP_HMAC_IDENT: 2801 { 2802 struct sctp_hmacalgo *shmac; 2803 sctp_hmaclist_t *hmaclist; 2804 uint32_t size; 2805 int i; 2806 2807 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2808 2809 SCTP_INP_RLOCK(inp); 2810 hmaclist = inp->sctp_ep.local_hmacs; 2811 if (hmaclist == NULL) { 2812 /* no HMACs to return */ 2813 *optsize = sizeof(*shmac); 2814 SCTP_INP_RUNLOCK(inp); 2815 break; 2816 } 2817 /* is there room for all of the hmac ids? */ 2818 size = sizeof(*shmac) + (hmaclist->num_algo * 2819 sizeof(shmac->shmac_idents[0])); 2820 if ((size_t)(*optsize) < size) { 2821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2822 error = EINVAL; 2823 SCTP_INP_RUNLOCK(inp); 2824 break; 2825 } 2826 /* copy in the list */ 2827 shmac->shmac_number_of_idents = hmaclist->num_algo; 2828 for (i = 0; i < hmaclist->num_algo; i++) { 2829 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2830 } 2831 SCTP_INP_RUNLOCK(inp); 2832 *optsize = size; 2833 break; 2834 } 2835 case SCTP_AUTH_ACTIVE_KEY: 2836 { 2837 struct sctp_authkeyid *scact; 2838 2839 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2840 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2841 2842 if (stcb) { 2843 /* get the active key on the assoc */ 2844 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2845 SCTP_TCB_UNLOCK(stcb); 2846 } else { 2847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2849 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2850 /* get the endpoint active key */ 2851 SCTP_INP_RLOCK(inp); 2852 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2853 SCTP_INP_RUNLOCK(inp); 2854 } else { 2855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2856 error = EINVAL; 2857 } 2858 } 2859 if (error == 0) { 2860 *optsize = sizeof(struct sctp_authkeyid); 2861 } 2862 break; 2863 } 2864 case SCTP_LOCAL_AUTH_CHUNKS: 2865 { 2866 struct sctp_authchunks *sac; 2867 sctp_auth_chklist_t *chklist = NULL; 2868 size_t size = 0; 2869 2870 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2871 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2872 2873 if (stcb) { 2874 /* get off the assoc */ 2875 chklist = stcb->asoc.local_auth_chunks; 2876 /* is there enough space? */ 2877 size = sctp_auth_get_chklist_size(chklist); 2878 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2879 error = EINVAL; 2880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2881 } else { 2882 /* copy in the chunks */ 2883 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2884 *optsize = sizeof(struct sctp_authchunks) + size; 2885 } 2886 SCTP_TCB_UNLOCK(stcb); 2887 } else { 2888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2890 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2891 /* get off the endpoint */ 2892 SCTP_INP_RLOCK(inp); 2893 chklist = inp->sctp_ep.local_auth_chunks; 2894 /* is there enough space? */ 2895 size = sctp_auth_get_chklist_size(chklist); 2896 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2897 error = EINVAL; 2898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2899 } else { 2900 /* copy in the chunks */ 2901 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2902 *optsize = sizeof(struct sctp_authchunks) + size; 2903 } 2904 SCTP_INP_RUNLOCK(inp); 2905 } else { 2906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2907 error = EINVAL; 2908 } 2909 } 2910 break; 2911 } 2912 case SCTP_PEER_AUTH_CHUNKS: 2913 { 2914 struct sctp_authchunks *sac; 2915 sctp_auth_chklist_t *chklist = NULL; 2916 size_t size = 0; 2917 2918 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2919 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2920 2921 if (stcb) { 2922 /* get off the assoc */ 2923 chklist = stcb->asoc.peer_auth_chunks; 2924 /* is there enough space? */ 2925 size = sctp_auth_get_chklist_size(chklist); 2926 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2927 error = EINVAL; 2928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2929 } else { 2930 /* copy in the chunks */ 2931 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2932 *optsize = sizeof(struct sctp_authchunks) + size; 2933 } 2934 SCTP_TCB_UNLOCK(stcb); 2935 } else { 2936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2937 error = ENOENT; 2938 } 2939 break; 2940 } 2941 case SCTP_EVENT: 2942 { 2943 struct sctp_event *event; 2944 uint32_t event_type; 2945 2946 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2947 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2948 2949 switch (event->se_type) { 2950 case SCTP_ASSOC_CHANGE: 2951 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2952 break; 2953 case SCTP_PEER_ADDR_CHANGE: 2954 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2955 break; 2956 case SCTP_REMOTE_ERROR: 2957 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2958 break; 2959 case SCTP_SEND_FAILED: 2960 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2961 break; 2962 case SCTP_SHUTDOWN_EVENT: 2963 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2964 break; 2965 case SCTP_ADAPTATION_INDICATION: 2966 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2967 break; 2968 case SCTP_PARTIAL_DELIVERY_EVENT: 2969 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2970 break; 2971 case SCTP_AUTHENTICATION_EVENT: 2972 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2973 break; 2974 case SCTP_STREAM_RESET_EVENT: 2975 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2976 break; 2977 case SCTP_SENDER_DRY_EVENT: 2978 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2979 break; 2980 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2981 event_type = 0; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2983 error = ENOTSUP; 2984 break; 2985 default: 2986 event_type = 0; 2987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2988 error = EINVAL; 2989 break; 2990 } 2991 if (event_type > 0) { 2992 if (stcb) { 2993 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2994 SCTP_TCB_UNLOCK(stcb); 2995 } else { 2996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2997 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2998 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 2999 SCTP_INP_RLOCK(inp); 3000 event->se_on = sctp_is_feature_on(inp, event_type); 3001 SCTP_INP_RUNLOCK(inp); 3002 } else { 3003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3004 error = EINVAL; 3005 } 3006 } 3007 } 3008 if (error == 0) { 3009 *optsize = sizeof(struct sctp_event); 3010 } 3011 break; 3012 } 3013 case SCTP_RECVRCVINFO: 3014 { 3015 int onoff; 3016 3017 if (*optsize < sizeof(int)) { 3018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3019 error = EINVAL; 3020 } else { 3021 SCTP_INP_RUNLOCK(inp); 3022 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3023 SCTP_INP_RUNLOCK(inp); 3024 } 3025 if (error == 0) { 3026 /* return the option value */ 3027 *(int *)optval = onoff; 3028 *optsize = sizeof(int); 3029 } 3030 break; 3031 } 3032 case SCTP_RECVNXTINFO: 3033 { 3034 int onoff; 3035 3036 if (*optsize < sizeof(int)) { 3037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3038 error = EINVAL; 3039 } else { 3040 SCTP_INP_RUNLOCK(inp); 3041 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3042 SCTP_INP_RUNLOCK(inp); 3043 } 3044 if (error == 0) { 3045 /* return the option value */ 3046 *(int *)optval = onoff; 3047 *optsize = sizeof(int); 3048 } 3049 break; 3050 } 3051 case SCTP_DEFAULT_SNDINFO: 3052 { 3053 struct sctp_sndinfo *info; 3054 3055 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3056 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3057 3058 if (stcb) { 3059 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3060 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3061 info->snd_flags &= 0xfff0; 3062 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3063 info->snd_context = stcb->asoc.def_send.sinfo_context; 3064 SCTP_TCB_UNLOCK(stcb); 3065 } else { 3066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3067 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3068 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3069 SCTP_INP_RLOCK(inp); 3070 info->snd_sid = inp->def_send.sinfo_stream; 3071 info->snd_flags = inp->def_send.sinfo_flags; 3072 info->snd_flags &= 0xfff0; 3073 info->snd_ppid = inp->def_send.sinfo_ppid; 3074 info->snd_context = inp->def_send.sinfo_context; 3075 SCTP_INP_RUNLOCK(inp); 3076 } else { 3077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3078 error = EINVAL; 3079 } 3080 } 3081 if (error == 0) { 3082 *optsize = sizeof(struct sctp_sndinfo); 3083 } 3084 break; 3085 } 3086 case SCTP_DEFAULT_PRINFO: 3087 { 3088 struct sctp_default_prinfo *info; 3089 3090 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3091 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3092 3093 if (stcb) { 3094 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3095 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3096 SCTP_TCB_UNLOCK(stcb); 3097 } else { 3098 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3099 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3100 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3101 SCTP_INP_RLOCK(inp); 3102 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3103 info->pr_value = inp->def_send.sinfo_timetolive; 3104 SCTP_INP_RUNLOCK(inp); 3105 } else { 3106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3107 error = EINVAL; 3108 } 3109 } 3110 if (error == 0) { 3111 *optsize = sizeof(struct sctp_default_prinfo); 3112 } 3113 break; 3114 } 3115 case SCTP_PEER_ADDR_THLDS: 3116 { 3117 struct sctp_paddrthlds *thlds; 3118 struct sctp_nets *net; 3119 3120 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3121 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3122 3123 net = NULL; 3124 if (stcb) { 3125 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3126 } else { 3127 /* 3128 * We increment here since 3129 * sctp_findassociation_ep_addr() wil do a 3130 * decrement if it finds the stcb as long as 3131 * the locked tcb (last argument) is NOT a 3132 * TCB.. aka NULL. 3133 */ 3134 SCTP_INP_INCR_REF(inp); 3135 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3136 if (stcb == NULL) { 3137 SCTP_INP_DECR_REF(inp); 3138 } 3139 } 3140 if (stcb && (net == NULL)) { 3141 struct sockaddr *sa; 3142 3143 sa = (struct sockaddr *)&thlds->spt_address; 3144#ifdef INET 3145 if (sa->sa_family == AF_INET) { 3146 struct sockaddr_in *sin; 3147 3148 sin = (struct sockaddr_in *)sa; 3149 if (sin->sin_addr.s_addr) { 3150 error = EINVAL; 3151 SCTP_TCB_UNLOCK(stcb); 3152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3153 break; 3154 } 3155 } else 3156#endif 3157#ifdef INET6 3158 if (sa->sa_family == AF_INET6) { 3159 struct sockaddr_in6 *sin6; 3160 3161 sin6 = (struct sockaddr_in6 *)sa; 3162 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3163 error = EINVAL; 3164 SCTP_TCB_UNLOCK(stcb); 3165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3166 break; 3167 } 3168 } else 3169#endif 3170 { 3171 error = EAFNOSUPPORT; 3172 SCTP_TCB_UNLOCK(stcb); 3173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3174 break; 3175 } 3176 } 3177 if (stcb) { 3178 if (net) { 3179 thlds->spt_pathmaxrxt = net->failure_threshold; 3180 thlds->spt_pathpfthld = net->pf_threshold; 3181 } else { 3182 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3183 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3184 } 3185 thlds->spt_assoc_id = sctp_get_associd(stcb); 3186 SCTP_TCB_UNLOCK(stcb); 3187 } else { 3188 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3189 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3190 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3191 /* Use endpoint defaults */ 3192 SCTP_INP_RLOCK(inp); 3193 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3194 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3195 SCTP_INP_RUNLOCK(inp); 3196 } else { 3197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3198 error = EINVAL; 3199 } 3200 } 3201 if (error == 0) { 3202 *optsize = sizeof(struct sctp_paddrthlds); 3203 } 3204 break; 3205 } 3206 default: 3207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3208 error = ENOPROTOOPT; 3209 break; 3210 } /* end switch (sopt->sopt_name) */ 3211 if (error) { 3212 *optsize = 0; 3213 } 3214 return (error); 3215} 3216 3217static int 3218sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3219 void *p) 3220{ 3221 int error, set_opt; 3222 uint32_t *mopt; 3223 struct sctp_tcb *stcb = NULL; 3224 struct sctp_inpcb *inp = NULL; 3225 uint32_t vrf_id; 3226 3227 if (optval == NULL) { 3228 SCTP_PRINTF("optval is NULL\n"); 3229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3230 return (EINVAL); 3231 } 3232 inp = (struct sctp_inpcb *)so->so_pcb; 3233 if (inp == 0) { 3234 SCTP_PRINTF("inp is NULL?\n"); 3235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3236 return EINVAL; 3237 } 3238 vrf_id = inp->def_vrf_id; 3239 3240 error = 0; 3241 switch (optname) { 3242 case SCTP_NODELAY: 3243 case SCTP_AUTOCLOSE: 3244 case SCTP_AUTO_ASCONF: 3245 case SCTP_EXPLICIT_EOR: 3246 case SCTP_DISABLE_FRAGMENTS: 3247 case SCTP_USE_EXT_RCVINFO: 3248 case SCTP_I_WANT_MAPPED_V4_ADDR: 3249 /* copy in the option value */ 3250 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3251 set_opt = 0; 3252 if (error) 3253 break; 3254 switch (optname) { 3255 case SCTP_DISABLE_FRAGMENTS: 3256 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3257 break; 3258 case SCTP_AUTO_ASCONF: 3259 /* 3260 * NOTE: we don't really support this flag 3261 */ 3262 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3263 /* only valid for bound all sockets */ 3264 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3265 (*mopt != 0)) { 3266 /* forbidden by admin */ 3267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3268 return (EPERM); 3269 } 3270 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3271 } else { 3272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3273 return (EINVAL); 3274 } 3275 break; 3276 case SCTP_EXPLICIT_EOR: 3277 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3278 break; 3279 case SCTP_USE_EXT_RCVINFO: 3280 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3281 break; 3282 case SCTP_I_WANT_MAPPED_V4_ADDR: 3283 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3284 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3285 } else { 3286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3287 return (EINVAL); 3288 } 3289 break; 3290 case SCTP_NODELAY: 3291 set_opt = SCTP_PCB_FLAGS_NODELAY; 3292 break; 3293 case SCTP_AUTOCLOSE: 3294 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3295 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3297 return (EINVAL); 3298 } 3299 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3300 /* 3301 * The value is in ticks. Note this does not effect 3302 * old associations, only new ones. 3303 */ 3304 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3305 break; 3306 } 3307 SCTP_INP_WLOCK(inp); 3308 if (*mopt != 0) { 3309 sctp_feature_on(inp, set_opt); 3310 } else { 3311 sctp_feature_off(inp, set_opt); 3312 } 3313 SCTP_INP_WUNLOCK(inp); 3314 break; 3315 case SCTP_REUSE_PORT: 3316 { 3317 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3318 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3319 /* Can't set it after we are bound */ 3320 error = EINVAL; 3321 break; 3322 } 3323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3324 /* Can't do this for a 1-m socket */ 3325 error = EINVAL; 3326 break; 3327 } 3328 if (optval) 3329 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3330 else 3331 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3332 break; 3333 } 3334 case SCTP_PARTIAL_DELIVERY_POINT: 3335 { 3336 uint32_t *value; 3337 3338 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3339 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3341 error = EINVAL; 3342 break; 3343 } 3344 inp->partial_delivery_point = *value; 3345 break; 3346 } 3347 case SCTP_FRAGMENT_INTERLEAVE: 3348 /* not yet until we re-write sctp_recvmsg() */ 3349 { 3350 uint32_t *level; 3351 3352 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3353 if (*level == SCTP_FRAG_LEVEL_2) { 3354 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3355 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3356 } else if (*level == SCTP_FRAG_LEVEL_1) { 3357 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3358 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3359 } else if (*level == SCTP_FRAG_LEVEL_0) { 3360 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3361 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3362 3363 } else { 3364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3365 error = EINVAL; 3366 } 3367 break; 3368 } 3369 case SCTP_CMT_ON_OFF: 3370 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3371 struct sctp_assoc_value *av; 3372 3373 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3374 if (av->assoc_value > SCTP_CMT_MAX) { 3375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3376 error = EINVAL; 3377 break; 3378 } 3379 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3380 if (stcb) { 3381 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3382 SCTP_TCB_UNLOCK(stcb); 3383 } else { 3384 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3385 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3386 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3387 (av->assoc_id == SCTP_ALL_ASSOC)) { 3388 SCTP_INP_WLOCK(inp); 3389 inp->sctp_cmt_on_off = av->assoc_value; 3390 SCTP_INP_WUNLOCK(inp); 3391 } 3392 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3393 (av->assoc_id == SCTP_ALL_ASSOC)) { 3394 SCTP_INP_RLOCK(inp); 3395 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3396 SCTP_TCB_LOCK(stcb); 3397 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3398 SCTP_TCB_UNLOCK(stcb); 3399 } 3400 SCTP_INP_RUNLOCK(inp); 3401 } 3402 } 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3405 error = ENOPROTOOPT; 3406 } 3407 break; 3408 case SCTP_PLUGGABLE_CC: 3409 { 3410 struct sctp_assoc_value *av; 3411 struct sctp_nets *net; 3412 3413 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3414 if ((av->assoc_value != SCTP_CC_RFC2581) && 3415 (av->assoc_value != SCTP_CC_HSTCP) && 3416 (av->assoc_value != SCTP_CC_HTCP) && 3417 (av->assoc_value != SCTP_CC_RTCC)) { 3418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3419 error = EINVAL; 3420 break; 3421 } 3422 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3423 if (stcb) { 3424 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3425 stcb->asoc.congestion_control_module = av->assoc_value; 3426 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3427 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3428 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3429 } 3430 } 3431 SCTP_TCB_UNLOCK(stcb); 3432 } else { 3433 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3434 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3435 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3436 (av->assoc_id == SCTP_ALL_ASSOC)) { 3437 SCTP_INP_WLOCK(inp); 3438 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3439 SCTP_INP_WUNLOCK(inp); 3440 } 3441 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3442 (av->assoc_id == SCTP_ALL_ASSOC)) { 3443 SCTP_INP_RLOCK(inp); 3444 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3445 SCTP_TCB_LOCK(stcb); 3446 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3447 stcb->asoc.congestion_control_module = av->assoc_value; 3448 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3449 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3450 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3451 } 3452 } 3453 SCTP_TCB_UNLOCK(stcb); 3454 } 3455 SCTP_INP_RUNLOCK(inp); 3456 } 3457 } 3458 break; 3459 } 3460 case SCTP_CC_OPTION: 3461 { 3462 struct sctp_cc_option *cc_opt; 3463 3464 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3465 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3466 if (stcb == NULL) { 3467 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3468 SCTP_INP_RLOCK(inp); 3469 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3470 SCTP_TCB_LOCK(stcb); 3471 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3472 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3473 } 3474 SCTP_TCB_UNLOCK(stcb); 3475 } 3476 SCTP_INP_RUNLOCK(inp); 3477 } else { 3478 error = EINVAL; 3479 } 3480 } else { 3481 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3482 error = ENOTSUP; 3483 } else { 3484 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3485 cc_opt); 3486 } 3487 SCTP_TCB_UNLOCK(stcb); 3488 } 3489 break; 3490 } 3491 case SCTP_PLUGGABLE_SS: 3492 { 3493 struct sctp_assoc_value *av; 3494 3495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3496 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3497 (av->assoc_value != SCTP_SS_DEFAULT) && 3498 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3499 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3500 (av->assoc_value != SCTP_SS_PRIORITY) && 3501 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3502 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3504 error = EINVAL; 3505 break; 3506 } 3507 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3508 if (stcb) { 3509 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3510 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3511 stcb->asoc.stream_scheduling_module = av->assoc_value; 3512 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3513 SCTP_TCB_UNLOCK(stcb); 3514 } else { 3515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3517 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3518 (av->assoc_id == SCTP_ALL_ASSOC)) { 3519 SCTP_INP_WLOCK(inp); 3520 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3521 SCTP_INP_WUNLOCK(inp); 3522 } 3523 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3524 (av->assoc_id == SCTP_ALL_ASSOC)) { 3525 SCTP_INP_RLOCK(inp); 3526 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3527 SCTP_TCB_LOCK(stcb); 3528 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3529 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3530 stcb->asoc.stream_scheduling_module = av->assoc_value; 3531 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3532 SCTP_TCB_UNLOCK(stcb); 3533 } 3534 SCTP_INP_RUNLOCK(inp); 3535 } 3536 } 3537 break; 3538 } 3539 case SCTP_SS_VALUE: 3540 { 3541 struct sctp_stream_value *av; 3542 3543 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3544 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3545 if (stcb) { 3546 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3547 av->stream_value) < 0) { 3548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3549 error = EINVAL; 3550 } 3551 SCTP_TCB_UNLOCK(stcb); 3552 } else { 3553 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3554 SCTP_INP_RLOCK(inp); 3555 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3556 SCTP_TCB_LOCK(stcb); 3557 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3558 &stcb->asoc, 3559 &stcb->asoc.strmout[av->stream_id], 3560 av->stream_value); 3561 SCTP_TCB_UNLOCK(stcb); 3562 } 3563 SCTP_INP_RUNLOCK(inp); 3564 3565 } else { 3566 /* 3567 * Can't set stream value without 3568 * association 3569 */ 3570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3571 error = EINVAL; 3572 } 3573 } 3574 break; 3575 } 3576 case SCTP_CLR_STAT_LOG: 3577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3578 error = EOPNOTSUPP; 3579 break; 3580 case SCTP_CONTEXT: 3581 { 3582 struct sctp_assoc_value *av; 3583 3584 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3585 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3586 3587 if (stcb) { 3588 stcb->asoc.context = av->assoc_value; 3589 SCTP_TCB_UNLOCK(stcb); 3590 } else { 3591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3593 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3594 (av->assoc_id == SCTP_ALL_ASSOC)) { 3595 SCTP_INP_WLOCK(inp); 3596 inp->sctp_context = av->assoc_value; 3597 SCTP_INP_WUNLOCK(inp); 3598 } 3599 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3600 (av->assoc_id == SCTP_ALL_ASSOC)) { 3601 SCTP_INP_RLOCK(inp); 3602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3603 SCTP_TCB_LOCK(stcb); 3604 stcb->asoc.context = av->assoc_value; 3605 SCTP_TCB_UNLOCK(stcb); 3606 } 3607 SCTP_INP_RUNLOCK(inp); 3608 } 3609 } 3610 break; 3611 } 3612 case SCTP_VRF_ID: 3613 { 3614 uint32_t *default_vrfid; 3615 3616 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3617 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3619 error = EINVAL; 3620 break; 3621 } 3622 inp->def_vrf_id = *default_vrfid; 3623 break; 3624 } 3625 case SCTP_DEL_VRF_ID: 3626 { 3627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3628 error = EOPNOTSUPP; 3629 break; 3630 } 3631 case SCTP_ADD_VRF_ID: 3632 { 3633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3634 error = EOPNOTSUPP; 3635 break; 3636 } 3637 case SCTP_DELAYED_SACK: 3638 { 3639 struct sctp_sack_info *sack; 3640 3641 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3642 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3643 if (sack->sack_delay) { 3644 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3645 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3646 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3647 sack->sack_delay = TICKS_TO_MSEC(1); 3648 } 3649 } 3650 if (stcb) { 3651 if (sack->sack_delay) { 3652 stcb->asoc.delayed_ack = sack->sack_delay; 3653 } 3654 if (sack->sack_freq) { 3655 stcb->asoc.sack_freq = sack->sack_freq; 3656 } 3657 SCTP_TCB_UNLOCK(stcb); 3658 } else { 3659 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3660 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3661 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3662 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3663 SCTP_INP_WLOCK(inp); 3664 if (sack->sack_delay) { 3665 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3666 } 3667 if (sack->sack_freq) { 3668 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3669 } 3670 SCTP_INP_WUNLOCK(inp); 3671 } 3672 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3673 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3674 SCTP_INP_RLOCK(inp); 3675 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3676 SCTP_TCB_LOCK(stcb); 3677 if (sack->sack_delay) { 3678 stcb->asoc.delayed_ack = sack->sack_delay; 3679 } 3680 if (sack->sack_freq) { 3681 stcb->asoc.sack_freq = sack->sack_freq; 3682 } 3683 SCTP_TCB_UNLOCK(stcb); 3684 } 3685 SCTP_INP_RUNLOCK(inp); 3686 } 3687 } 3688 break; 3689 } 3690 case SCTP_AUTH_CHUNK: 3691 { 3692 struct sctp_authchunk *sauth; 3693 3694 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3695 3696 SCTP_INP_WLOCK(inp); 3697 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3699 error = EINVAL; 3700 } 3701 SCTP_INP_WUNLOCK(inp); 3702 break; 3703 } 3704 case SCTP_AUTH_KEY: 3705 { 3706 struct sctp_authkey *sca; 3707 struct sctp_keyhead *shared_keys; 3708 sctp_sharedkey_t *shared_key; 3709 sctp_key_t *key = NULL; 3710 size_t size; 3711 3712 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3713 if (sca->sca_keylength == 0) { 3714 size = optsize - sizeof(struct sctp_authkey); 3715 } else { 3716 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3717 size = sca->sca_keylength; 3718 } else { 3719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3720 error = EINVAL; 3721 break; 3722 } 3723 } 3724 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3725 3726 if (stcb) { 3727 shared_keys = &stcb->asoc.shared_keys; 3728 /* clear the cached keys for this key id */ 3729 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3730 /* 3731 * create the new shared key and 3732 * insert/replace it 3733 */ 3734 if (size > 0) { 3735 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3736 if (key == NULL) { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3738 error = ENOMEM; 3739 SCTP_TCB_UNLOCK(stcb); 3740 break; 3741 } 3742 } 3743 shared_key = sctp_alloc_sharedkey(); 3744 if (shared_key == NULL) { 3745 sctp_free_key(key); 3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3747 error = ENOMEM; 3748 SCTP_TCB_UNLOCK(stcb); 3749 break; 3750 } 3751 shared_key->key = key; 3752 shared_key->keyid = sca->sca_keynumber; 3753 error = sctp_insert_sharedkey(shared_keys, shared_key); 3754 SCTP_TCB_UNLOCK(stcb); 3755 } else { 3756 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3757 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3758 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3759 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3760 SCTP_INP_WLOCK(inp); 3761 shared_keys = &inp->sctp_ep.shared_keys; 3762 /* 3763 * clear the cached keys on all 3764 * assocs for this key id 3765 */ 3766 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3767 /* 3768 * create the new shared key and 3769 * insert/replace it 3770 */ 3771 if (size > 0) { 3772 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3773 if (key == NULL) { 3774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3775 error = ENOMEM; 3776 SCTP_INP_WUNLOCK(inp); 3777 break; 3778 } 3779 } 3780 shared_key = sctp_alloc_sharedkey(); 3781 if (shared_key == NULL) { 3782 sctp_free_key(key); 3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3784 error = ENOMEM; 3785 SCTP_INP_WUNLOCK(inp); 3786 break; 3787 } 3788 shared_key->key = key; 3789 shared_key->keyid = sca->sca_keynumber; 3790 error = sctp_insert_sharedkey(shared_keys, shared_key); 3791 SCTP_INP_WUNLOCK(inp); 3792 } 3793 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3794 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3795 SCTP_INP_RLOCK(inp); 3796 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3797 SCTP_TCB_LOCK(stcb); 3798 shared_keys = &stcb->asoc.shared_keys; 3799 /* 3800 * clear the cached keys for 3801 * this key id 3802 */ 3803 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3804 /* 3805 * create the new shared key 3806 * and insert/replace it 3807 */ 3808 if (size > 0) { 3809 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3810 if (key == NULL) { 3811 SCTP_TCB_UNLOCK(stcb); 3812 continue; 3813 } 3814 } 3815 shared_key = sctp_alloc_sharedkey(); 3816 if (shared_key == NULL) { 3817 sctp_free_key(key); 3818 SCTP_TCB_UNLOCK(stcb); 3819 continue; 3820 } 3821 shared_key->key = key; 3822 shared_key->keyid = sca->sca_keynumber; 3823 error = sctp_insert_sharedkey(shared_keys, shared_key); 3824 SCTP_TCB_UNLOCK(stcb); 3825 } 3826 SCTP_INP_RUNLOCK(inp); 3827 } 3828 } 3829 break; 3830 } 3831 case SCTP_HMAC_IDENT: 3832 { 3833 struct sctp_hmacalgo *shmac; 3834 sctp_hmaclist_t *hmaclist; 3835 uint16_t hmacid; 3836 uint32_t i; 3837 size_t found; 3838 3839 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3840 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3842 error = EINVAL; 3843 break; 3844 } 3845 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3846 if (hmaclist == NULL) { 3847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3848 error = ENOMEM; 3849 break; 3850 } 3851 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3852 hmacid = shmac->shmac_idents[i]; 3853 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3854 /* invalid HMACs were found */ ; 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 sctp_free_hmaclist(hmaclist); 3858 goto sctp_set_hmac_done; 3859 } 3860 } 3861 found = 0; 3862 for (i = 0; i < hmaclist->num_algo; i++) { 3863 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3864 /* already in list */ 3865 found = 1; 3866 } 3867 } 3868 if (!found) { 3869 sctp_free_hmaclist(hmaclist); 3870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3871 error = EINVAL; 3872 break; 3873 } 3874 /* set it on the endpoint */ 3875 SCTP_INP_WLOCK(inp); 3876 if (inp->sctp_ep.local_hmacs) 3877 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3878 inp->sctp_ep.local_hmacs = hmaclist; 3879 SCTP_INP_WUNLOCK(inp); 3880 sctp_set_hmac_done: 3881 break; 3882 } 3883 case SCTP_AUTH_ACTIVE_KEY: 3884 { 3885 struct sctp_authkeyid *scact; 3886 3887 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3888 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3889 3890 /* set the active key on the right place */ 3891 if (stcb) { 3892 /* set the active key on the assoc */ 3893 if (sctp_auth_setactivekey(stcb, 3894 scact->scact_keynumber)) { 3895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3896 SCTP_FROM_SCTP_USRREQ, 3897 EINVAL); 3898 error = EINVAL; 3899 } 3900 SCTP_TCB_UNLOCK(stcb); 3901 } else { 3902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3904 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3905 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3906 SCTP_INP_WLOCK(inp); 3907 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 3908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3909 error = EINVAL; 3910 } 3911 SCTP_INP_WUNLOCK(inp); 3912 } 3913 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 3914 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3915 SCTP_INP_RLOCK(inp); 3916 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3917 SCTP_TCB_LOCK(stcb); 3918 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 3919 SCTP_TCB_UNLOCK(stcb); 3920 } 3921 SCTP_INP_RUNLOCK(inp); 3922 } 3923 } 3924 break; 3925 } 3926 case SCTP_AUTH_DELETE_KEY: 3927 { 3928 struct sctp_authkeyid *scdel; 3929 3930 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 3931 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 3932 3933 /* delete the key from the right place */ 3934 if (stcb) { 3935 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3937 error = EINVAL; 3938 } 3939 SCTP_TCB_UNLOCK(stcb); 3940 } else { 3941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3943 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3944 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 3945 SCTP_INP_WLOCK(inp); 3946 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 3947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3948 error = EINVAL; 3949 } 3950 SCTP_INP_WUNLOCK(inp); 3951 } 3952 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 3953 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 3954 SCTP_INP_RLOCK(inp); 3955 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3956 SCTP_TCB_LOCK(stcb); 3957 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 3958 SCTP_TCB_UNLOCK(stcb); 3959 } 3960 SCTP_INP_RUNLOCK(inp); 3961 } 3962 } 3963 break; 3964 } 3965 case SCTP_AUTH_DEACTIVATE_KEY: 3966 { 3967 struct sctp_authkeyid *keyid; 3968 3969 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 3970 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 3971 3972 /* deactivate the key from the right place */ 3973 if (stcb) { 3974 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 3975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3976 error = EINVAL; 3977 } 3978 SCTP_TCB_UNLOCK(stcb); 3979 } else { 3980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3981 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3982 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3983 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 3984 SCTP_INP_WLOCK(inp); 3985 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3987 error = EINVAL; 3988 } 3989 SCTP_INP_WUNLOCK(inp); 3990 } 3991 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 3992 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 3993 SCTP_INP_RLOCK(inp); 3994 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3995 SCTP_TCB_LOCK(stcb); 3996 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 3997 SCTP_TCB_UNLOCK(stcb); 3998 } 3999 SCTP_INP_RUNLOCK(inp); 4000 } 4001 } 4002 break; 4003 } 4004 4005 case SCTP_RESET_STREAMS: 4006 { 4007 struct sctp_stream_reset *strrst; 4008 uint8_t send_in = 0, send_tsn = 0, send_out = 0, 4009 addstream = 0; 4010 uint16_t addstrmcnt = 0; 4011 int i; 4012 4013 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 4014 SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 4015 4016 if (stcb == NULL) { 4017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4018 error = ENOENT; 4019 break; 4020 } 4021 if (stcb->asoc.peer_supports_strreset == 0) { 4022 /* 4023 * Peer does not support it, we return 4024 * protocol not supported since this is true 4025 * for this feature and this peer, not the 4026 * socket request in general. 4027 */ 4028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT); 4029 error = EPROTONOSUPPORT; 4030 SCTP_TCB_UNLOCK(stcb); 4031 break; 4032 } 4033 if (stcb->asoc.stream_reset_outstanding) { 4034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4035 error = EALREADY; 4036 SCTP_TCB_UNLOCK(stcb); 4037 break; 4038 } 4039 if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 4040 send_in = 1; 4041 } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 4042 send_out = 1; 4043 } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 4044 send_in = 1; 4045 send_out = 1; 4046 } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 4047 send_tsn = 1; 4048 } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) { 4049 if (send_tsn || 4050 send_in || 4051 send_out) { 4052 /* We can't do that and add streams */ 4053 error = EINVAL; 4054 goto skip_stuff; 4055 } 4056 if (stcb->asoc.stream_reset_outstanding) { 4057 error = EBUSY; 4058 goto skip_stuff; 4059 } 4060 addstream = 1; 4061 /* We allocate here */ 4062 addstrmcnt = strrst->strrst_num_streams; 4063 if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) { 4064 /* You can't have more than 64k */ 4065 error = EINVAL; 4066 goto skip_stuff; 4067 } 4068 if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) { 4069 /* Need to allocate more */ 4070 struct sctp_stream_out *oldstream; 4071 struct sctp_stream_queue_pending *sp, 4072 *nsp; 4073 4074 oldstream = stcb->asoc.strmout; 4075 /* get some more */ 4076 SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, 4077 ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)), 4078 SCTP_M_STRMO); 4079 if (stcb->asoc.strmout == NULL) { 4080 stcb->asoc.strmout = oldstream; 4081 error = ENOMEM; 4082 goto skip_stuff; 4083 } 4084 /* 4085 * Ok now we proceed with copying 4086 * the old out stuff and 4087 * initializing the new stuff. 4088 */ 4089 SCTP_TCB_SEND_LOCK(stcb); 4090 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 0, 1); 4091 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4092 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4093 stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent; 4094 stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete; 4095 stcb->asoc.strmout[i].stream_no = i; 4096 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], &oldstream[i]); 4097 /* 4098 * now anything on those 4099 * queues? 4100 */ 4101 TAILQ_FOREACH_SAFE(sp, &oldstream[i].outqueue, next, nsp) { 4102 TAILQ_REMOVE(&oldstream[i].outqueue, sp, next); 4103 TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next); 4104 } 4105 /* 4106 * Now move assoc pointers 4107 * too 4108 */ 4109 if (stcb->asoc.last_out_stream == &oldstream[i]) { 4110 stcb->asoc.last_out_stream = &stcb->asoc.strmout[i]; 4111 } 4112 if (stcb->asoc.locked_on_sending == &oldstream[i]) { 4113 stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i]; 4114 } 4115 } 4116 /* now the new streams */ 4117 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4118 for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) { 4119 stcb->asoc.strmout[i].next_sequence_sent = 0x0; 4120 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4121 stcb->asoc.strmout[i].stream_no = i; 4122 stcb->asoc.strmout[i].last_msg_incomplete = 0; 4123 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL); 4124 } 4125 stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt; 4126 SCTP_FREE(oldstream, SCTP_M_STRMO); 4127 } 4128 SCTP_TCB_SEND_UNLOCK(stcb); 4129 goto skip_stuff; 4130 } else { 4131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4132 error = EINVAL; 4133 SCTP_TCB_UNLOCK(stcb); 4134 break; 4135 } 4136 for (i = 0; i < strrst->strrst_num_streams; i++) { 4137 if ((send_in) && 4138 4139 (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 4140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4141 error = EINVAL; 4142 goto get_out; 4143 } 4144 if ((send_out) && 4145 (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4147 error = EINVAL; 4148 goto get_out; 4149 } 4150 } 4151 skip_stuff: 4152 if (error) { 4153 get_out: 4154 SCTP_TCB_UNLOCK(stcb); 4155 break; 4156 } 4157 error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 4158 strrst->strrst_list, 4159 send_out, (stcb->asoc.str_reset_seq_in - 3), 4160 send_in, send_tsn, addstream, addstrmcnt); 4161 4162 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4163 SCTP_TCB_UNLOCK(stcb); 4164 break; 4165 } 4166 case SCTP_CONNECT_X: 4167 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4169 error = EINVAL; 4170 break; 4171 } 4172 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4173 break; 4174 case SCTP_CONNECT_X_DELAYED: 4175 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4176 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4177 error = EINVAL; 4178 break; 4179 } 4180 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4181 break; 4182 case SCTP_CONNECT_X_COMPLETE: 4183 { 4184 struct sockaddr *sa; 4185 struct sctp_nets *net; 4186 4187 /* FIXME MT: check correct? */ 4188 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4189 4190 /* find tcb */ 4191 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4192 SCTP_INP_RLOCK(inp); 4193 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4194 if (stcb) { 4195 SCTP_TCB_LOCK(stcb); 4196 net = sctp_findnet(stcb, sa); 4197 } 4198 SCTP_INP_RUNLOCK(inp); 4199 } else { 4200 /* 4201 * We increment here since 4202 * sctp_findassociation_ep_addr() wil do a 4203 * decrement if it finds the stcb as long as 4204 * the locked tcb (last argument) is NOT a 4205 * TCB.. aka NULL. 4206 */ 4207 SCTP_INP_INCR_REF(inp); 4208 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4209 if (stcb == NULL) { 4210 SCTP_INP_DECR_REF(inp); 4211 } 4212 } 4213 4214 if (stcb == NULL) { 4215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4216 error = ENOENT; 4217 break; 4218 } 4219 if (stcb->asoc.delayed_connection == 1) { 4220 stcb->asoc.delayed_connection = 0; 4221 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4222 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4223 stcb->asoc.primary_destination, 4224 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4225 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4226 } else { 4227 /* 4228 * already expired or did not use delayed 4229 * connectx 4230 */ 4231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4232 error = EALREADY; 4233 } 4234 SCTP_TCB_UNLOCK(stcb); 4235 break; 4236 } 4237 case SCTP_MAX_BURST: 4238 { 4239 struct sctp_assoc_value *av; 4240 4241 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4242 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4243 4244 if (stcb) { 4245 stcb->asoc.max_burst = av->assoc_value; 4246 SCTP_TCB_UNLOCK(stcb); 4247 } else { 4248 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4249 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4250 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4251 (av->assoc_id == SCTP_ALL_ASSOC)) { 4252 SCTP_INP_WLOCK(inp); 4253 inp->sctp_ep.max_burst = av->assoc_value; 4254 SCTP_INP_WUNLOCK(inp); 4255 } 4256 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4257 (av->assoc_id == SCTP_ALL_ASSOC)) { 4258 SCTP_INP_RLOCK(inp); 4259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4260 SCTP_TCB_LOCK(stcb); 4261 stcb->asoc.max_burst = av->assoc_value; 4262 SCTP_TCB_UNLOCK(stcb); 4263 } 4264 SCTP_INP_RUNLOCK(inp); 4265 } 4266 } 4267 break; 4268 } 4269 case SCTP_MAXSEG: 4270 { 4271 struct sctp_assoc_value *av; 4272 int ovh; 4273 4274 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4275 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4276 4277 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4278 ovh = SCTP_MED_OVERHEAD; 4279 } else { 4280 ovh = SCTP_MED_V4_OVERHEAD; 4281 } 4282 if (stcb) { 4283 if (av->assoc_value) { 4284 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4285 } else { 4286 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4287 } 4288 SCTP_TCB_UNLOCK(stcb); 4289 } else { 4290 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4291 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4292 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4293 SCTP_INP_WLOCK(inp); 4294 /* 4295 * FIXME MT: I think this is not in 4296 * tune with the API ID 4297 */ 4298 if (av->assoc_value) { 4299 inp->sctp_frag_point = (av->assoc_value + ovh); 4300 } else { 4301 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4302 } 4303 SCTP_INP_WUNLOCK(inp); 4304 } else { 4305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4306 error = EINVAL; 4307 } 4308 } 4309 break; 4310 } 4311 case SCTP_EVENTS: 4312 { 4313 struct sctp_event_subscribe *events; 4314 4315 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4316 4317 SCTP_INP_WLOCK(inp); 4318 if (events->sctp_data_io_event) { 4319 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4320 } else { 4321 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4322 } 4323 4324 if (events->sctp_association_event) { 4325 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4326 } else { 4327 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4328 } 4329 4330 if (events->sctp_address_event) { 4331 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4332 } else { 4333 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4334 } 4335 4336 if (events->sctp_send_failure_event) { 4337 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4338 } else { 4339 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4340 } 4341 4342 if (events->sctp_peer_error_event) { 4343 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4344 } else { 4345 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4346 } 4347 4348 if (events->sctp_shutdown_event) { 4349 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4350 } else { 4351 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4352 } 4353 4354 if (events->sctp_partial_delivery_event) { 4355 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4356 } else { 4357 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4358 } 4359 4360 if (events->sctp_adaptation_layer_event) { 4361 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4362 } else { 4363 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4364 } 4365 4366 if (events->sctp_authentication_event) { 4367 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4368 } else { 4369 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4370 } 4371 4372 if (events->sctp_sender_dry_event) { 4373 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4374 } else { 4375 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4376 } 4377 4378 if (events->sctp_stream_reset_event) { 4379 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4380 } else { 4381 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4382 } 4383 SCTP_INP_WUNLOCK(inp); 4384 4385 SCTP_INP_RLOCK(inp); 4386 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4387 SCTP_TCB_LOCK(stcb); 4388 if (events->sctp_association_event) { 4389 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4390 } else { 4391 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4392 } 4393 if (events->sctp_address_event) { 4394 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4395 } else { 4396 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4397 } 4398 if (events->sctp_send_failure_event) { 4399 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4400 } else { 4401 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4402 } 4403 if (events->sctp_peer_error_event) { 4404 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4405 } else { 4406 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4407 } 4408 if (events->sctp_shutdown_event) { 4409 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4410 } else { 4411 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4412 } 4413 if (events->sctp_partial_delivery_event) { 4414 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4415 } else { 4416 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4417 } 4418 if (events->sctp_adaptation_layer_event) { 4419 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4420 } else { 4421 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4422 } 4423 if (events->sctp_authentication_event) { 4424 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4425 } else { 4426 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4427 } 4428 if (events->sctp_sender_dry_event) { 4429 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4430 } else { 4431 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4432 } 4433 if (events->sctp_stream_reset_event) { 4434 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4435 } else { 4436 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4437 } 4438 SCTP_TCB_UNLOCK(stcb); 4439 } 4440 /* 4441 * Send up the sender dry event only for 1-to-1 4442 * style sockets. 4443 */ 4444 if (events->sctp_sender_dry_event) { 4445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4447 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4448 if (stcb) { 4449 SCTP_TCB_LOCK(stcb); 4450 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4451 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4452 (stcb->asoc.stream_queue_cnt == 0)) { 4453 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4454 } 4455 SCTP_TCB_UNLOCK(stcb); 4456 } 4457 } 4458 } 4459 SCTP_INP_RUNLOCK(inp); 4460 break; 4461 } 4462 case SCTP_ADAPTATION_LAYER: 4463 { 4464 struct sctp_setadaptation *adap_bits; 4465 4466 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4467 SCTP_INP_WLOCK(inp); 4468 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4469 SCTP_INP_WUNLOCK(inp); 4470 break; 4471 } 4472#ifdef SCTP_DEBUG 4473 case SCTP_SET_INITIAL_DBG_SEQ: 4474 { 4475 uint32_t *vvv; 4476 4477 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4478 SCTP_INP_WLOCK(inp); 4479 inp->sctp_ep.initial_sequence_debug = *vvv; 4480 SCTP_INP_WUNLOCK(inp); 4481 break; 4482 } 4483#endif 4484 case SCTP_DEFAULT_SEND_PARAM: 4485 { 4486 struct sctp_sndrcvinfo *s_info; 4487 4488 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4489 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4490 4491 if (stcb) { 4492 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4493 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4494 } else { 4495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4496 error = EINVAL; 4497 } 4498 SCTP_TCB_UNLOCK(stcb); 4499 } else { 4500 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4501 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4502 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4503 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4504 SCTP_INP_WLOCK(inp); 4505 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4506 SCTP_INP_WUNLOCK(inp); 4507 } 4508 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4509 (s_info->sinfo_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 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4514 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4515 } 4516 SCTP_TCB_UNLOCK(stcb); 4517 } 4518 SCTP_INP_RUNLOCK(inp); 4519 } 4520 } 4521 break; 4522 } 4523 case SCTP_PEER_ADDR_PARAMS: 4524 /* Applies to the specific association */ 4525 { 4526 struct sctp_paddrparams *paddrp; 4527 struct sctp_nets *net; 4528 4529 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4530 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4531 net = NULL; 4532 if (stcb) { 4533 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4534 } else { 4535 /* 4536 * We increment here since 4537 * sctp_findassociation_ep_addr() wil do a 4538 * decrement if it finds the stcb as long as 4539 * the locked tcb (last argument) is NOT a 4540 * TCB.. aka NULL. 4541 */ 4542 SCTP_INP_INCR_REF(inp); 4543 stcb = sctp_findassociation_ep_addr(&inp, 4544 (struct sockaddr *)&paddrp->spp_address, 4545 &net, NULL, NULL); 4546 if (stcb == NULL) { 4547 SCTP_INP_DECR_REF(inp); 4548 } 4549 } 4550 if (stcb && (net == NULL)) { 4551 struct sockaddr *sa; 4552 4553 sa = (struct sockaddr *)&paddrp->spp_address; 4554#ifdef INET 4555 if (sa->sa_family == AF_INET) { 4556 4557 struct sockaddr_in *sin; 4558 4559 sin = (struct sockaddr_in *)sa; 4560 if (sin->sin_addr.s_addr) { 4561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4562 SCTP_TCB_UNLOCK(stcb); 4563 error = EINVAL; 4564 break; 4565 } 4566 } else 4567#endif 4568#ifdef INET6 4569 if (sa->sa_family == AF_INET6) { 4570 struct sockaddr_in6 *sin6; 4571 4572 sin6 = (struct sockaddr_in6 *)sa; 4573 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4575 SCTP_TCB_UNLOCK(stcb); 4576 error = EINVAL; 4577 break; 4578 } 4579 } else 4580#endif 4581 { 4582 error = EAFNOSUPPORT; 4583 SCTP_TCB_UNLOCK(stcb); 4584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4585 break; 4586 } 4587 } 4588 /* sanity checks */ 4589 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4590 if (stcb) 4591 SCTP_TCB_UNLOCK(stcb); 4592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4593 return (EINVAL); 4594 } 4595 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4596 if (stcb) 4597 SCTP_TCB_UNLOCK(stcb); 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4599 return (EINVAL); 4600 } 4601 if (stcb) { 4602 /************************TCB SPECIFIC SET ******************/ 4603 /* 4604 * do we change the timer for HB, we run 4605 * only one? 4606 */ 4607 int ovh = 0; 4608 4609 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4610 ovh = SCTP_MED_OVERHEAD; 4611 } else { 4612 ovh = SCTP_MED_V4_OVERHEAD; 4613 } 4614 4615 /* network sets ? */ 4616 if (net) { 4617 /************************NET SPECIFIC SET ******************/ 4618 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4619 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4620 !(net->dest_state & SCTP_ADDR_NOHB)) { 4621 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4622 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4623 } 4624 net->dest_state |= SCTP_ADDR_NOHB; 4625 } 4626 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4627 if (paddrp->spp_hbinterval) { 4628 net->heart_beat_delay = paddrp->spp_hbinterval; 4629 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4630 net->heart_beat_delay = 0; 4631 } 4632 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4633 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4634 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4635 net->dest_state &= ~SCTP_ADDR_NOHB; 4636 } 4637 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4638 /* on demand HB */ 4639 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4640 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4641 } 4642 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4643 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4644 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4645 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4646 } 4647 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4648 net->mtu = paddrp->spp_pathmtu + ovh; 4649 if (net->mtu < stcb->asoc.smallest_mtu) { 4650 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4651 } 4652 } 4653 } 4654 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4655 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4656 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4657 } 4658 } 4659 if (paddrp->spp_pathmaxrxt) { 4660 if (net->dest_state & SCTP_ADDR_PF) { 4661 if (net->error_count > paddrp->spp_pathmaxrxt) { 4662 net->dest_state &= ~SCTP_ADDR_PF; 4663 } 4664 } else { 4665 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4666 (net->error_count > net->pf_threshold)) { 4667 net->dest_state |= SCTP_ADDR_PF; 4668 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4669 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4670 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4671 } 4672 } 4673 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4674 if (net->error_count > paddrp->spp_pathmaxrxt) { 4675 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4676 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4677 } 4678 } else { 4679 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4680 net->dest_state |= SCTP_ADDR_REACHABLE; 4681 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4682 } 4683 } 4684 net->failure_threshold = paddrp->spp_pathmaxrxt; 4685 } 4686#ifdef INET 4687 if (paddrp->spp_flags & SPP_DSCP) { 4688 if (net->ro._l_addr.sin.sin_family == AF_INET) { 4689 net->dscp = paddrp->spp_dscp & 0xfc; 4690 } 4691 } 4692#endif 4693#ifdef INET6 4694 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4695 if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 4696 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4697 } 4698 } 4699#endif 4700 } else { 4701 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4702 if (paddrp->spp_pathmaxrxt) { 4703 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4704 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4705 if (net->dest_state & SCTP_ADDR_PF) { 4706 if (net->error_count > paddrp->spp_pathmaxrxt) { 4707 net->dest_state &= ~SCTP_ADDR_PF; 4708 } 4709 } else { 4710 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4711 (net->error_count > net->pf_threshold)) { 4712 net->dest_state |= SCTP_ADDR_PF; 4713 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4714 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4715 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4716 } 4717 } 4718 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4719 if (net->error_count > paddrp->spp_pathmaxrxt) { 4720 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4721 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4722 } 4723 } else { 4724 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4725 net->dest_state |= SCTP_ADDR_REACHABLE; 4726 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4727 } 4728 } 4729 net->failure_threshold = paddrp->spp_pathmaxrxt; 4730 } 4731 } 4732 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4733 if (paddrp->spp_hbinterval) { 4734 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4735 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4736 stcb->asoc.heart_beat_delay = 0; 4737 } 4738 /* Turn back on the timer */ 4739 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4740 if (paddrp->spp_hbinterval) { 4741 net->heart_beat_delay = paddrp->spp_hbinterval; 4742 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4743 net->heart_beat_delay = 0; 4744 } 4745 if (net->dest_state & SCTP_ADDR_NOHB) { 4746 net->dest_state &= ~SCTP_ADDR_NOHB; 4747 } 4748 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4749 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4750 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4751 } 4752 } 4753 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4754 /* Turn back on the timer */ 4755 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4756 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4757 net->dest_state |= SCTP_ADDR_NOHB; 4758 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4759 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4760 } 4761 } 4762 } 4763 } 4764 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4765 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4766 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4767 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4768 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4769 } 4770 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4771 net->mtu = paddrp->spp_pathmtu + ovh; 4772 if (net->mtu < stcb->asoc.smallest_mtu) { 4773 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4774 } 4775 } 4776 } 4777 } 4778 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4779 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4780 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4781 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4782 } 4783 } 4784 } 4785 if (paddrp->spp_flags & SPP_DSCP) { 4786 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4787 net->dscp = paddrp->spp_dscp & 0x000000fc; 4788 } 4789 stcb->asoc.default_dscp = paddrp->spp_dscp & 0x000000fc; 4790 } 4791 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4792 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4793 net->flowlabel = paddrp->spp_ipv6_flowlabel; 4794 } 4795 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 4796 } 4797 } 4798 SCTP_TCB_UNLOCK(stcb); 4799 } else { 4800 /************************NO TCB, SET TO default stuff ******************/ 4801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4803 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4804 SCTP_INP_WLOCK(inp); 4805 /* 4806 * For the TOS/FLOWLABEL stuff you 4807 * set it with the options on the 4808 * socket 4809 */ 4810 if (paddrp->spp_pathmaxrxt) { 4811 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4812 } 4813 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4814 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4815 else if (paddrp->spp_hbinterval) { 4816 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4817 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4818 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4819 } 4820 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4821 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4822 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4823 } else if (paddrp->spp_hbinterval) { 4824 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4825 } 4826 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4827 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4828 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4829 } 4830 SCTP_INP_WUNLOCK(inp); 4831 } else { 4832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4833 error = EINVAL; 4834 } 4835 } 4836 break; 4837 } 4838 case SCTP_RTOINFO: 4839 { 4840 struct sctp_rtoinfo *srto; 4841 uint32_t new_init, new_min, new_max; 4842 4843 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 4844 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 4845 4846 if (stcb) { 4847 if (srto->srto_initial) 4848 new_init = srto->srto_initial; 4849 else 4850 new_init = stcb->asoc.initial_rto; 4851 if (srto->srto_max) 4852 new_max = srto->srto_max; 4853 else 4854 new_max = stcb->asoc.maxrto; 4855 if (srto->srto_min) 4856 new_min = srto->srto_min; 4857 else 4858 new_min = stcb->asoc.minrto; 4859 if ((new_min <= new_init) && (new_init <= new_max)) { 4860 stcb->asoc.initial_rto = new_init; 4861 stcb->asoc.maxrto = new_max; 4862 stcb->asoc.minrto = new_min; 4863 } else { 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4865 error = EINVAL; 4866 } 4867 SCTP_TCB_UNLOCK(stcb); 4868 } else { 4869 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4870 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4871 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 4872 SCTP_INP_WLOCK(inp); 4873 if (srto->srto_initial) 4874 new_init = srto->srto_initial; 4875 else 4876 new_init = inp->sctp_ep.initial_rto; 4877 if (srto->srto_max) 4878 new_max = srto->srto_max; 4879 else 4880 new_max = inp->sctp_ep.sctp_maxrto; 4881 if (srto->srto_min) 4882 new_min = srto->srto_min; 4883 else 4884 new_min = inp->sctp_ep.sctp_minrto; 4885 if ((new_min <= new_init) && (new_init <= new_max)) { 4886 inp->sctp_ep.initial_rto = new_init; 4887 inp->sctp_ep.sctp_maxrto = new_max; 4888 inp->sctp_ep.sctp_minrto = new_min; 4889 } else { 4890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4891 error = EINVAL; 4892 } 4893 SCTP_INP_WUNLOCK(inp); 4894 } else { 4895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4896 error = EINVAL; 4897 } 4898 } 4899 break; 4900 } 4901 case SCTP_ASSOCINFO: 4902 { 4903 struct sctp_assocparams *sasoc; 4904 4905 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 4906 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 4907 if (sasoc->sasoc_cookie_life) { 4908 /* boundary check the cookie life */ 4909 if (sasoc->sasoc_cookie_life < 1000) 4910 sasoc->sasoc_cookie_life = 1000; 4911 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 4912 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 4913 } 4914 } 4915 if (stcb) { 4916 if (sasoc->sasoc_asocmaxrxt) 4917 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 4918 if (sasoc->sasoc_cookie_life) { 4919 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4920 } 4921 SCTP_TCB_UNLOCK(stcb); 4922 } else { 4923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4925 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 4926 SCTP_INP_WLOCK(inp); 4927 if (sasoc->sasoc_asocmaxrxt) 4928 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 4929 if (sasoc->sasoc_cookie_life) { 4930 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4931 } 4932 SCTP_INP_WUNLOCK(inp); 4933 } else { 4934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4935 error = EINVAL; 4936 } 4937 } 4938 break; 4939 } 4940 case SCTP_INITMSG: 4941 { 4942 struct sctp_initmsg *sinit; 4943 4944 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 4945 SCTP_INP_WLOCK(inp); 4946 if (sinit->sinit_num_ostreams) 4947 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 4948 4949 if (sinit->sinit_max_instreams) 4950 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 4951 4952 if (sinit->sinit_max_attempts) 4953 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 4954 4955 if (sinit->sinit_max_init_timeo) 4956 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 4957 SCTP_INP_WUNLOCK(inp); 4958 break; 4959 } 4960 case SCTP_PRIMARY_ADDR: 4961 { 4962 struct sctp_setprim *spa; 4963 struct sctp_nets *net; 4964 4965 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 4966 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 4967 4968 net = NULL; 4969 if (stcb) { 4970 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 4971 } else { 4972 /* 4973 * We increment here since 4974 * sctp_findassociation_ep_addr() wil do a 4975 * decrement if it finds the stcb as long as 4976 * the locked tcb (last argument) is NOT a 4977 * TCB.. aka NULL. 4978 */ 4979 SCTP_INP_INCR_REF(inp); 4980 stcb = sctp_findassociation_ep_addr(&inp, 4981 (struct sockaddr *)&spa->ssp_addr, 4982 &net, NULL, NULL); 4983 if (stcb == NULL) { 4984 SCTP_INP_DECR_REF(inp); 4985 } 4986 } 4987 4988 if ((stcb) && (net)) { 4989 if ((net != stcb->asoc.primary_destination) && 4990 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 4991 /* Ok we need to set it */ 4992 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 4993 if ((stcb->asoc.alternate) && 4994 (!(net->dest_state & SCTP_ADDR_PF)) && 4995 (net->dest_state & SCTP_ADDR_REACHABLE)) { 4996 sctp_free_remote_addr(stcb->asoc.alternate); 4997 stcb->asoc.alternate = NULL; 4998 } 4999 } 5000 } 5001 } else { 5002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5003 error = EINVAL; 5004 } 5005 if (stcb) { 5006 SCTP_TCB_UNLOCK(stcb); 5007 } 5008 break; 5009 } 5010 case SCTP_SET_DYNAMIC_PRIMARY: 5011 { 5012 union sctp_sockstore *ss; 5013 5014 error = priv_check(curthread, 5015 PRIV_NETINET_RESERVEDPORT); 5016 if (error) 5017 break; 5018 5019 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5020 /* SUPER USER CHECK? */ 5021 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5022 break; 5023 } 5024 case SCTP_SET_PEER_PRIMARY_ADDR: 5025 { 5026 struct sctp_setpeerprim *sspp; 5027 5028 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5029 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5030 if (stcb != NULL) { 5031 struct sctp_ifa *ifa; 5032 5033 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5034 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5035 if (ifa == NULL) { 5036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5037 error = EINVAL; 5038 goto out_of_it; 5039 } 5040 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5041 /* 5042 * Must validate the ifa found is in 5043 * our ep 5044 */ 5045 struct sctp_laddr *laddr; 5046 int found = 0; 5047 5048 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5049 if (laddr->ifa == NULL) { 5050 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5051 __FUNCTION__); 5052 continue; 5053 } 5054 if (laddr->ifa == ifa) { 5055 found = 1; 5056 break; 5057 } 5058 } 5059 if (!found) { 5060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5061 error = EINVAL; 5062 goto out_of_it; 5063 } 5064 } 5065 if (sctp_set_primary_ip_address_sa(stcb, 5066 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5068 error = EINVAL; 5069 } 5070 out_of_it: 5071 SCTP_TCB_UNLOCK(stcb); 5072 } else { 5073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5074 error = EINVAL; 5075 } 5076 break; 5077 } 5078 case SCTP_BINDX_ADD_ADDR: 5079 { 5080 struct sctp_getaddresses *addrs; 5081 size_t sz; 5082 struct thread *td; 5083 5084 td = (struct thread *)p; 5085 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5086 optsize); 5087#ifdef INET 5088 if (addrs->addr->sa_family == AF_INET) { 5089 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5090 if (optsize < sz) { 5091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5092 error = EINVAL; 5093 break; 5094 } 5095 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5096 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5097 break; 5098 } 5099 } else 5100#endif 5101#ifdef INET6 5102 if (addrs->addr->sa_family == AF_INET6) { 5103 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5104 if (optsize < sz) { 5105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5106 error = EINVAL; 5107 break; 5108 } 5109 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5110 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5111 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5112 break; 5113 } 5114 } else 5115#endif 5116 { 5117 error = EAFNOSUPPORT; 5118 break; 5119 } 5120 sctp_bindx_add_address(so, inp, addrs->addr, 5121 addrs->sget_assoc_id, vrf_id, 5122 &error, p); 5123 break; 5124 } 5125 case SCTP_BINDX_REM_ADDR: 5126 { 5127 struct sctp_getaddresses *addrs; 5128 size_t sz; 5129 struct thread *td; 5130 5131 td = (struct thread *)p; 5132 5133 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5134#ifdef INET 5135 if (addrs->addr->sa_family == AF_INET) { 5136 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5137 if (optsize < sz) { 5138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5139 error = EINVAL; 5140 break; 5141 } 5142 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5143 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5144 break; 5145 } 5146 } else 5147#endif 5148#ifdef INET6 5149 if (addrs->addr->sa_family == AF_INET6) { 5150 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5151 if (optsize < sz) { 5152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5153 error = EINVAL; 5154 break; 5155 } 5156 if (td != NULL && 5157 (error = prison_local_ip6(td->td_ucred, 5158 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5159 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5160 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5161 break; 5162 } 5163 } else 5164#endif 5165 { 5166 error = EAFNOSUPPORT; 5167 break; 5168 } 5169 sctp_bindx_delete_address(so, inp, addrs->addr, 5170 addrs->sget_assoc_id, vrf_id, 5171 &error); 5172 break; 5173 } 5174 case SCTP_EVENT: 5175 { 5176 struct sctp_event *event; 5177 uint32_t event_type; 5178 5179 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5180 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5181 switch (event->se_type) { 5182 case SCTP_ASSOC_CHANGE: 5183 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5184 break; 5185 case SCTP_PEER_ADDR_CHANGE: 5186 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5187 break; 5188 case SCTP_REMOTE_ERROR: 5189 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5190 break; 5191 case SCTP_SEND_FAILED: 5192 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5193 break; 5194 case SCTP_SHUTDOWN_EVENT: 5195 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5196 break; 5197 case SCTP_ADAPTATION_INDICATION: 5198 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5199 break; 5200 case SCTP_PARTIAL_DELIVERY_EVENT: 5201 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5202 break; 5203 case SCTP_AUTHENTICATION_EVENT: 5204 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5205 break; 5206 case SCTP_STREAM_RESET_EVENT: 5207 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5208 break; 5209 case SCTP_SENDER_DRY_EVENT: 5210 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5211 break; 5212 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5213 event_type = 0; 5214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5215 error = ENOTSUP; 5216 break; 5217 default: 5218 event_type = 0; 5219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5220 error = EINVAL; 5221 break; 5222 } 5223 if (event_type > 0) { 5224 if (stcb) { 5225 if (event->se_on) { 5226 sctp_stcb_feature_on(inp, stcb, event_type); 5227 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5228 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5229 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5230 (stcb->asoc.stream_queue_cnt == 0)) { 5231 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5232 } 5233 } 5234 } else { 5235 sctp_stcb_feature_off(inp, stcb, event_type); 5236 } 5237 SCTP_TCB_UNLOCK(stcb); 5238 } else { 5239 /* 5240 * We don't want to send up a storm 5241 * of events, so return an error for 5242 * sender dry events 5243 */ 5244 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5245 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5246 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5247 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5248 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5250 error = ENOTSUP; 5251 break; 5252 } 5253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5255 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5256 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5257 SCTP_INP_WLOCK(inp); 5258 if (event->se_on) { 5259 sctp_feature_on(inp, event_type); 5260 } else { 5261 sctp_feature_off(inp, event_type); 5262 } 5263 SCTP_INP_WUNLOCK(inp); 5264 } 5265 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5266 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5267 SCTP_INP_RLOCK(inp); 5268 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5269 SCTP_TCB_LOCK(stcb); 5270 if (event->se_on) { 5271 sctp_stcb_feature_on(inp, stcb, event_type); 5272 } else { 5273 sctp_stcb_feature_off(inp, stcb, event_type); 5274 } 5275 SCTP_TCB_UNLOCK(stcb); 5276 } 5277 SCTP_INP_RUNLOCK(inp); 5278 } 5279 } 5280 } 5281 break; 5282 } 5283 case SCTP_RECVRCVINFO: 5284 { 5285 int *onoff; 5286 5287 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5288 SCTP_INP_WLOCK(inp); 5289 if (*onoff != 0) { 5290 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5291 } else { 5292 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5293 } 5294 SCTP_INP_WUNLOCK(inp); 5295 break; 5296 } 5297 case SCTP_RECVNXTINFO: 5298 { 5299 int *onoff; 5300 5301 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5302 SCTP_INP_WLOCK(inp); 5303 if (*onoff != 0) { 5304 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5305 } else { 5306 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5307 } 5308 SCTP_INP_WUNLOCK(inp); 5309 break; 5310 } 5311 case SCTP_DEFAULT_SNDINFO: 5312 { 5313 struct sctp_sndinfo *info; 5314 uint16_t policy; 5315 5316 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5317 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5318 5319 if (stcb) { 5320 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5321 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5322 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5323 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5324 stcb->asoc.def_send.sinfo_flags |= policy; 5325 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5326 stcb->asoc.def_send.sinfo_context = info->snd_context; 5327 } else { 5328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5329 error = EINVAL; 5330 } 5331 SCTP_TCB_UNLOCK(stcb); 5332 } else { 5333 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5334 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5335 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5336 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5337 SCTP_INP_WLOCK(inp); 5338 inp->def_send.sinfo_stream = info->snd_sid; 5339 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5340 inp->def_send.sinfo_flags = info->snd_flags; 5341 inp->def_send.sinfo_flags |= policy; 5342 inp->def_send.sinfo_ppid = info->snd_ppid; 5343 inp->def_send.sinfo_context = info->snd_context; 5344 SCTP_INP_WUNLOCK(inp); 5345 } 5346 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5347 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5348 SCTP_INP_RLOCK(inp); 5349 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5350 SCTP_TCB_LOCK(stcb); 5351 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5352 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5353 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5354 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5355 stcb->asoc.def_send.sinfo_flags |= policy; 5356 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5357 stcb->asoc.def_send.sinfo_context = info->snd_context; 5358 } 5359 SCTP_TCB_UNLOCK(stcb); 5360 } 5361 SCTP_INP_RUNLOCK(inp); 5362 } 5363 } 5364 break; 5365 } 5366 case SCTP_DEFAULT_PRINFO: 5367 { 5368 struct sctp_default_prinfo *info; 5369 5370 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5371 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5372 5373 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5375 error = EINVAL; 5376 break; 5377 } 5378 if (stcb) { 5379 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5380 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5381 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5382 SCTP_TCB_UNLOCK(stcb); 5383 } else { 5384 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5385 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5386 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5387 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5388 SCTP_INP_WLOCK(inp); 5389 inp->def_send.sinfo_flags &= 0xfff0; 5390 inp->def_send.sinfo_flags |= info->pr_policy; 5391 inp->def_send.sinfo_timetolive = info->pr_value; 5392 SCTP_INP_WUNLOCK(inp); 5393 } 5394 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5395 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5396 SCTP_INP_RLOCK(inp); 5397 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5398 SCTP_TCB_LOCK(stcb); 5399 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5400 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5401 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5402 SCTP_TCB_UNLOCK(stcb); 5403 } 5404 SCTP_INP_RUNLOCK(inp); 5405 } 5406 } 5407 break; 5408 } 5409 case SCTP_PEER_ADDR_THLDS: 5410 /* Applies to the specific association */ 5411 { 5412 struct sctp_paddrthlds *thlds; 5413 struct sctp_nets *net; 5414 5415 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5416 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5417 net = NULL; 5418 if (stcb) { 5419 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5420 } else { 5421 /* 5422 * We increment here since 5423 * sctp_findassociation_ep_addr() wil do a 5424 * decrement if it finds the stcb as long as 5425 * the locked tcb (last argument) is NOT a 5426 * TCB.. aka NULL. 5427 */ 5428 SCTP_INP_INCR_REF(inp); 5429 stcb = sctp_findassociation_ep_addr(&inp, 5430 (struct sockaddr *)&thlds->spt_assoc_id, 5431 &net, NULL, NULL); 5432 if (stcb == NULL) { 5433 SCTP_INP_DECR_REF(inp); 5434 } 5435 } 5436 if (stcb && (net == NULL)) { 5437 struct sockaddr *sa; 5438 5439 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5440#ifdef INET 5441 if (sa->sa_family == AF_INET) { 5442 5443 struct sockaddr_in *sin; 5444 5445 sin = (struct sockaddr_in *)sa; 5446 if (sin->sin_addr.s_addr) { 5447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5448 SCTP_TCB_UNLOCK(stcb); 5449 error = EINVAL; 5450 break; 5451 } 5452 } else 5453#endif 5454#ifdef INET6 5455 if (sa->sa_family == AF_INET6) { 5456 struct sockaddr_in6 *sin6; 5457 5458 sin6 = (struct sockaddr_in6 *)sa; 5459 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5461 SCTP_TCB_UNLOCK(stcb); 5462 error = EINVAL; 5463 break; 5464 } 5465 } else 5466#endif 5467 { 5468 error = EAFNOSUPPORT; 5469 SCTP_TCB_UNLOCK(stcb); 5470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5471 break; 5472 } 5473 } 5474 if (stcb) { 5475 if (net) { 5476 if (net->dest_state & SCTP_ADDR_PF) { 5477 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5478 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5479 net->dest_state &= ~SCTP_ADDR_PF; 5480 } 5481 } else { 5482 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5483 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5484 net->dest_state |= SCTP_ADDR_PF; 5485 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5486 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5487 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5488 } 5489 } 5490 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5491 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5492 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5493 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5494 } 5495 } else { 5496 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5497 net->dest_state |= SCTP_ADDR_REACHABLE; 5498 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5499 } 5500 } 5501 net->failure_threshold = thlds->spt_pathmaxrxt; 5502 net->pf_threshold = thlds->spt_pathpfthld; 5503 } else { 5504 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5505 if (net->dest_state & SCTP_ADDR_PF) { 5506 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5507 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5508 net->dest_state &= ~SCTP_ADDR_PF; 5509 } 5510 } else { 5511 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5512 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5513 net->dest_state |= SCTP_ADDR_PF; 5514 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5515 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5516 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5517 } 5518 } 5519 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5520 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5521 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5522 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5523 } 5524 } else { 5525 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5526 net->dest_state |= SCTP_ADDR_REACHABLE; 5527 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5528 } 5529 } 5530 net->failure_threshold = thlds->spt_pathmaxrxt; 5531 net->pf_threshold = thlds->spt_pathpfthld; 5532 } 5533 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5534 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5535 } 5536 } else { 5537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5538 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5539 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5540 SCTP_INP_WLOCK(inp); 5541 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5542 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 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 default: 5552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5553 error = ENOPROTOOPT; 5554 break; 5555 } /* end switch (opt) */ 5556 return (error); 5557} 5558 5559int 5560sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5561{ 5562 void *optval = NULL; 5563 size_t optsize = 0; 5564 struct sctp_inpcb *inp; 5565 void *p; 5566 int error = 0; 5567 5568 inp = (struct sctp_inpcb *)so->so_pcb; 5569 if (inp == 0) { 5570 /* I made the same as TCP since we are not setup? */ 5571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5572 return (ECONNRESET); 5573 } 5574 if (sopt->sopt_level != IPPROTO_SCTP) { 5575 /* wrong proto level... send back up to IP */ 5576#ifdef INET6 5577 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5578 error = ip6_ctloutput(so, sopt); 5579#endif /* INET6 */ 5580#if defined(INET) && defined (INET6) 5581 else 5582#endif 5583#ifdef INET 5584 error = ip_ctloutput(so, sopt); 5585#endif 5586 return (error); 5587 } 5588 optsize = sopt->sopt_valsize; 5589 if (optsize) { 5590 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5591 if (optval == NULL) { 5592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5593 return (ENOBUFS); 5594 } 5595 error = sooptcopyin(sopt, optval, optsize, optsize); 5596 if (error) { 5597 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5598 goto out; 5599 } 5600 } 5601 p = (void *)sopt->sopt_td; 5602 if (sopt->sopt_dir == SOPT_SET) { 5603 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5604 } else if (sopt->sopt_dir == SOPT_GET) { 5605 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5606 } else { 5607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5608 error = EINVAL; 5609 } 5610 if ((error == 0) && (optval != NULL)) { 5611 error = sooptcopyout(sopt, optval, optsize); 5612 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5613 } else if (optval != NULL) { 5614 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5615 } 5616out: 5617 return (error); 5618} 5619 5620#ifdef INET 5621static int 5622sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5623{ 5624 int error = 0; 5625 int create_lock_on = 0; 5626 uint32_t vrf_id; 5627 struct sctp_inpcb *inp; 5628 struct sctp_tcb *stcb = NULL; 5629 5630 inp = (struct sctp_inpcb *)so->so_pcb; 5631 if (inp == 0) { 5632 /* I made the same as TCP since we are not setup? */ 5633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5634 return (ECONNRESET); 5635 } 5636 if (addr == NULL) { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 return EINVAL; 5639 } 5640 switch (addr->sa_family) { 5641#ifdef INET6 5642 case AF_INET6: 5643 { 5644 struct sockaddr_in6 *sin6p; 5645 5646 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5648 return (EINVAL); 5649 } 5650 sin6p = (struct sockaddr_in6 *)addr; 5651 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5653 return (error); 5654 } 5655 break; 5656 } 5657#endif 5658#ifdef INET 5659 case AF_INET: 5660 { 5661 struct sockaddr_in *sinp; 5662 5663 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5665 return (EINVAL); 5666 } 5667 sinp = (struct sockaddr_in *)addr; 5668 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5670 return (error); 5671 } 5672 break; 5673 } 5674#endif 5675 default: 5676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5677 return (EAFNOSUPPORT); 5678 } 5679 SCTP_INP_INCR_REF(inp); 5680 SCTP_ASOC_CREATE_LOCK(inp); 5681 create_lock_on = 1; 5682 5683 5684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5685 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5686 /* Should I really unlock ? */ 5687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5688 error = EFAULT; 5689 goto out_now; 5690 } 5691#ifdef INET6 5692 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5693 (addr->sa_family == AF_INET6)) { 5694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5695 error = EINVAL; 5696 goto out_now; 5697 } 5698#endif /* INET6 */ 5699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5700 SCTP_PCB_FLAGS_UNBOUND) { 5701 /* Bind a ephemeral port */ 5702 error = sctp_inpcb_bind(so, NULL, NULL, p); 5703 if (error) { 5704 goto out_now; 5705 } 5706 } 5707 /* Now do we connect? */ 5708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5709 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5711 error = EINVAL; 5712 goto out_now; 5713 } 5714 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5715 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5716 /* We are already connected AND the TCP model */ 5717 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5718 error = EADDRINUSE; 5719 goto out_now; 5720 } 5721 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5722 SCTP_INP_RLOCK(inp); 5723 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5724 SCTP_INP_RUNLOCK(inp); 5725 } else { 5726 /* 5727 * We increment here since sctp_findassociation_ep_addr() 5728 * will do a decrement if it finds the stcb as long as the 5729 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5730 */ 5731 SCTP_INP_INCR_REF(inp); 5732 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5733 if (stcb == NULL) { 5734 SCTP_INP_DECR_REF(inp); 5735 } else { 5736 SCTP_TCB_UNLOCK(stcb); 5737 } 5738 } 5739 if (stcb != NULL) { 5740 /* Already have or am bring up an association */ 5741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5742 error = EALREADY; 5743 goto out_now; 5744 } 5745 vrf_id = inp->def_vrf_id; 5746 /* We are GOOD to go */ 5747 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 5748 if (stcb == NULL) { 5749 /* Gak! no memory */ 5750 goto out_now; 5751 } 5752 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 5753 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 5754 /* Set the connected flag so we can queue data */ 5755 SOCKBUF_LOCK(&so->so_rcv); 5756 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 5757 SOCKBUF_UNLOCK(&so->so_rcv); 5758 SOCKBUF_LOCK(&so->so_snd); 5759 so->so_snd.sb_state &= ~SBS_CANTSENDMORE; 5760 SOCKBUF_UNLOCK(&so->so_snd); 5761 SOCK_LOCK(so); 5762 so->so_state &= ~SS_ISDISCONNECTING; 5763 SOCK_UNLOCK(so); 5764 soisconnecting(so); 5765 } 5766 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 5767 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 5768 5769 /* initialize authentication parameters for the assoc */ 5770 sctp_initialize_auth_params(inp, stcb); 5771 5772 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 5773 SCTP_TCB_UNLOCK(stcb); 5774out_now: 5775 if (create_lock_on) { 5776 SCTP_ASOC_CREATE_UNLOCK(inp); 5777 } 5778 SCTP_INP_DECR_REF(inp); 5779 return error; 5780} 5781 5782#endif 5783 5784int 5785sctp_listen(struct socket *so, int backlog, struct thread *p) 5786{ 5787 /* 5788 * Note this module depends on the protocol processing being called 5789 * AFTER any socket level flags and backlog are applied to the 5790 * socket. The traditional way that the socket flags are applied is 5791 * AFTER protocol processing. We have made a change to the 5792 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 5793 * place if the socket API for SCTP is to work properly. 5794 */ 5795 5796 int error = 0; 5797 struct sctp_inpcb *inp; 5798 5799 inp = (struct sctp_inpcb *)so->so_pcb; 5800 if (inp == 0) { 5801 /* I made the same as TCP since we are not setup? */ 5802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5803 return (ECONNRESET); 5804 } 5805 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 5806 /* See if we have a listener */ 5807 struct sctp_inpcb *tinp; 5808 union sctp_sockstore store, *sp; 5809 5810 sp = &store; 5811 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5812 /* not bound all */ 5813 struct sctp_laddr *laddr; 5814 5815 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5816 memcpy(&store, &laddr->ifa->address, sizeof(store)); 5817 switch (sp->sa.sa_family) { 5818#ifdef INET 5819 case AF_INET: 5820 sp->sin.sin_port = inp->sctp_lport; 5821 break; 5822#endif 5823#ifdef INET6 5824 case AF_INET6: 5825 sp->sin6.sin6_port = inp->sctp_lport; 5826 break; 5827#endif 5828 default: 5829 break; 5830 } 5831 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 5832 if (tinp && (tinp != inp) && 5833 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 5834 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 5835 (tinp->sctp_socket->so_qlimit)) { 5836 /* 5837 * we have a listener already and 5838 * its not this inp. 5839 */ 5840 SCTP_INP_DECR_REF(tinp); 5841 return (EADDRINUSE); 5842 } else if (tinp) { 5843 SCTP_INP_DECR_REF(tinp); 5844 } 5845 } 5846 } else { 5847 /* Setup a local addr bound all */ 5848 memset(&store, 0, sizeof(store)); 5849 switch (sp->sa.sa_family) { 5850#ifdef INET 5851 case AF_INET: 5852 store.sin.sin_port = inp->sctp_lport; 5853 break; 5854#endif 5855#ifdef INET6 5856 case AF_INET6: 5857 sp->sin6.sin6_port = inp->sctp_lport; 5858 break; 5859#endif 5860 default: 5861 break; 5862 } 5863#ifdef INET6 5864 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5865 store.sa.sa_family = AF_INET6; 5866 store.sa.sa_len = sizeof(struct sockaddr_in6); 5867 } 5868#endif 5869#ifdef INET 5870 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 5871 store.sa.sa_family = AF_INET; 5872 store.sa.sa_len = sizeof(struct sockaddr_in); 5873 } 5874#endif 5875 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 5876 if (tinp && (tinp != inp) && 5877 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 5878 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 5879 (tinp->sctp_socket->so_qlimit)) { 5880 /* 5881 * we have a listener already and its not 5882 * this inp. 5883 */ 5884 SCTP_INP_DECR_REF(tinp); 5885 return (EADDRINUSE); 5886 } else if (tinp) { 5887 SCTP_INP_DECR_REF(inp); 5888 } 5889 } 5890 } 5891 SCTP_INP_RLOCK(inp); 5892#ifdef SCTP_LOCK_LOGGING 5893 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 5894 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 5895 } 5896#endif 5897 SOCK_LOCK(so); 5898 error = solisten_proto_check(so); 5899 if (error) { 5900 SOCK_UNLOCK(so); 5901 SCTP_INP_RUNLOCK(inp); 5902 return (error); 5903 } 5904 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 5905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5906 /* 5907 * The unlucky case - We are in the tcp pool with this guy. 5908 * - Someone else is in the main inp slot. - We must move 5909 * this guy (the listener) to the main slot - We must then 5910 * move the guy that was listener to the TCP Pool. 5911 */ 5912 if (sctp_swap_inpcb_for_listen(inp)) { 5913 goto in_use; 5914 } 5915 } 5916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5917 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5918 /* We are already connected AND the TCP model */ 5919in_use: 5920 SCTP_INP_RUNLOCK(inp); 5921 SOCK_UNLOCK(so); 5922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5923 return (EADDRINUSE); 5924 } 5925 SCTP_INP_RUNLOCK(inp); 5926 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 5927 /* We must do a bind. */ 5928 SOCK_UNLOCK(so); 5929 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 5930 /* bind error, probably perm */ 5931 return (error); 5932 } 5933 SOCK_LOCK(so); 5934 } 5935 /* It appears for 7.0 and on, we must always call this. */ 5936 solisten_proto(so, backlog); 5937 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 5938 /* remove the ACCEPTCONN flag for one-to-many sockets */ 5939 so->so_options &= ~SO_ACCEPTCONN; 5940 } 5941 if (backlog == 0) { 5942 /* turning off listen */ 5943 so->so_options &= ~SO_ACCEPTCONN; 5944 } 5945 SOCK_UNLOCK(so); 5946 return (error); 5947} 5948 5949static int sctp_defered_wakeup_cnt = 0; 5950 5951int 5952sctp_accept(struct socket *so, struct sockaddr **addr) 5953{ 5954 struct sctp_tcb *stcb; 5955 struct sctp_inpcb *inp; 5956 union sctp_sockstore store; 5957 5958#ifdef INET6 5959 int error; 5960 5961#endif 5962 inp = (struct sctp_inpcb *)so->so_pcb; 5963 5964 if (inp == 0) { 5965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5966 return (ECONNRESET); 5967 } 5968 SCTP_INP_RLOCK(inp); 5969 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 5970 SCTP_INP_RUNLOCK(inp); 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 5972 return (EOPNOTSUPP); 5973 } 5974 if (so->so_state & SS_ISDISCONNECTED) { 5975 SCTP_INP_RUNLOCK(inp); 5976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 5977 return (ECONNABORTED); 5978 } 5979 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5980 if (stcb == NULL) { 5981 SCTP_INP_RUNLOCK(inp); 5982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5983 return (ECONNRESET); 5984 } 5985 SCTP_TCB_LOCK(stcb); 5986 SCTP_INP_RUNLOCK(inp); 5987 store = stcb->asoc.primary_destination->ro._l_addr; 5988 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 5989 SCTP_TCB_UNLOCK(stcb); 5990 switch (store.sa.sa_family) { 5991#ifdef INET 5992 case AF_INET: 5993 { 5994 struct sockaddr_in *sin; 5995 5996 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 5997 if (sin == NULL) 5998 return (ENOMEM); 5999 sin->sin_family = AF_INET; 6000 sin->sin_len = sizeof(*sin); 6001 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6002 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6003 *addr = (struct sockaddr *)sin; 6004 break; 6005 } 6006#endif 6007#ifdef INET6 6008 case AF_INET6: 6009 { 6010 struct sockaddr_in6 *sin6; 6011 6012 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6013 if (sin6 == NULL) 6014 return (ENOMEM); 6015 sin6->sin6_family = AF_INET6; 6016 sin6->sin6_len = sizeof(*sin6); 6017 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6018 6019 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6020 if ((error = sa6_recoverscope(sin6)) != 0) { 6021 SCTP_FREE_SONAME(sin6); 6022 return (error); 6023 } 6024 *addr = (struct sockaddr *)sin6; 6025 break; 6026 } 6027#endif 6028 default: 6029 /* TSNH */ 6030 break; 6031 } 6032 /* Wake any delayed sleep action */ 6033 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6034 SCTP_INP_WLOCK(inp); 6035 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6036 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6037 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6038 SCTP_INP_WUNLOCK(inp); 6039 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6040 if (sowriteable(inp->sctp_socket)) { 6041 sowwakeup_locked(inp->sctp_socket); 6042 } else { 6043 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6044 } 6045 SCTP_INP_WLOCK(inp); 6046 } 6047 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6048 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6049 SCTP_INP_WUNLOCK(inp); 6050 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6051 if (soreadable(inp->sctp_socket)) { 6052 sctp_defered_wakeup_cnt++; 6053 sorwakeup_locked(inp->sctp_socket); 6054 } else { 6055 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6056 } 6057 SCTP_INP_WLOCK(inp); 6058 } 6059 SCTP_INP_WUNLOCK(inp); 6060 } 6061 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6062 SCTP_TCB_LOCK(stcb); 6063 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6064 } 6065 return (0); 6066} 6067 6068#ifdef INET 6069int 6070sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6071{ 6072 struct sockaddr_in *sin; 6073 uint32_t vrf_id; 6074 struct sctp_inpcb *inp; 6075 struct sctp_ifa *sctp_ifa; 6076 6077 /* 6078 * Do the malloc first in case it blocks. 6079 */ 6080 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6081 if (sin == NULL) 6082 return (ENOMEM); 6083 sin->sin_family = AF_INET; 6084 sin->sin_len = sizeof(*sin); 6085 inp = (struct sctp_inpcb *)so->so_pcb; 6086 if (!inp) { 6087 SCTP_FREE_SONAME(sin); 6088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6089 return ECONNRESET; 6090 } 6091 SCTP_INP_RLOCK(inp); 6092 sin->sin_port = inp->sctp_lport; 6093 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6094 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6095 struct sctp_tcb *stcb; 6096 struct sockaddr_in *sin_a; 6097 struct sctp_nets *net; 6098 int fnd; 6099 6100 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6101 if (stcb == NULL) { 6102 goto notConn; 6103 } 6104 fnd = 0; 6105 sin_a = NULL; 6106 SCTP_TCB_LOCK(stcb); 6107 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6108 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6109 if (sin_a == NULL) 6110 /* this will make coverity happy */ 6111 continue; 6112 6113 if (sin_a->sin_family == AF_INET) { 6114 fnd = 1; 6115 break; 6116 } 6117 } 6118 if ((!fnd) || (sin_a == NULL)) { 6119 /* punt */ 6120 SCTP_TCB_UNLOCK(stcb); 6121 goto notConn; 6122 } 6123 vrf_id = inp->def_vrf_id; 6124 sctp_ifa = sctp_source_address_selection(inp, 6125 stcb, 6126 (sctp_route_t *) & net->ro, 6127 net, 0, vrf_id); 6128 if (sctp_ifa) { 6129 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6130 sctp_free_ifa(sctp_ifa); 6131 } 6132 SCTP_TCB_UNLOCK(stcb); 6133 } else { 6134 /* For the bound all case you get back 0 */ 6135 notConn: 6136 sin->sin_addr.s_addr = 0; 6137 } 6138 6139 } else { 6140 /* Take the first IPv4 address in the list */ 6141 struct sctp_laddr *laddr; 6142 int fnd = 0; 6143 6144 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6145 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6146 struct sockaddr_in *sin_a; 6147 6148 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6149 sin->sin_addr = sin_a->sin_addr; 6150 fnd = 1; 6151 break; 6152 } 6153 } 6154 if (!fnd) { 6155 SCTP_FREE_SONAME(sin); 6156 SCTP_INP_RUNLOCK(inp); 6157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6158 return ENOENT; 6159 } 6160 } 6161 SCTP_INP_RUNLOCK(inp); 6162 (*addr) = (struct sockaddr *)sin; 6163 return (0); 6164} 6165 6166int 6167sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6168{ 6169 struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 6170 int fnd; 6171 struct sockaddr_in *sin_a; 6172 struct sctp_inpcb *inp; 6173 struct sctp_tcb *stcb; 6174 struct sctp_nets *net; 6175 6176 /* Do the malloc first in case it blocks. */ 6177 inp = (struct sctp_inpcb *)so->so_pcb; 6178 if ((inp == NULL) || 6179 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6180 /* UDP type and listeners will drop out here */ 6181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6182 return (ENOTCONN); 6183 } 6184 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6185 if (sin == NULL) 6186 return (ENOMEM); 6187 sin->sin_family = AF_INET; 6188 sin->sin_len = sizeof(*sin); 6189 6190 /* We must recapture incase we blocked */ 6191 inp = (struct sctp_inpcb *)so->so_pcb; 6192 if (!inp) { 6193 SCTP_FREE_SONAME(sin); 6194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6195 return ECONNRESET; 6196 } 6197 SCTP_INP_RLOCK(inp); 6198 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6199 if (stcb) { 6200 SCTP_TCB_LOCK(stcb); 6201 } 6202 SCTP_INP_RUNLOCK(inp); 6203 if (stcb == NULL) { 6204 SCTP_FREE_SONAME(sin); 6205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6206 return ECONNRESET; 6207 } 6208 fnd = 0; 6209 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6210 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6211 if (sin_a->sin_family == AF_INET) { 6212 fnd = 1; 6213 sin->sin_port = stcb->rport; 6214 sin->sin_addr = sin_a->sin_addr; 6215 break; 6216 } 6217 } 6218 SCTP_TCB_UNLOCK(stcb); 6219 if (!fnd) { 6220 /* No IPv4 address */ 6221 SCTP_FREE_SONAME(sin); 6222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6223 return ENOENT; 6224 } 6225 (*addr) = (struct sockaddr *)sin; 6226 return (0); 6227} 6228 6229#ifdef INET 6230struct pr_usrreqs sctp_usrreqs = { 6231 .pru_abort = sctp_abort, 6232 .pru_accept = sctp_accept, 6233 .pru_attach = sctp_attach, 6234 .pru_bind = sctp_bind, 6235 .pru_connect = sctp_connect, 6236 .pru_control = in_control, 6237 .pru_close = sctp_close, 6238 .pru_detach = sctp_close, 6239 .pru_sopoll = sopoll_generic, 6240 .pru_flush = sctp_flush, 6241 .pru_disconnect = sctp_disconnect, 6242 .pru_listen = sctp_listen, 6243 .pru_peeraddr = sctp_peeraddr, 6244 .pru_send = sctp_sendm, 6245 .pru_shutdown = sctp_shutdown, 6246 .pru_sockaddr = sctp_ingetaddr, 6247 .pru_sosend = sctp_sosend, 6248 .pru_soreceive = sctp_soreceive 6249}; 6250 6251#endif 6252#endif 6253