sctp_usrreq.c revision 284440
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 284440 2015-06-16 08:26:33Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143} 144 145#ifdef INET 146static void 147sctp_notify_mbuf(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 struct ip *ip, 151 struct sctphdr *sh) 152{ 153 struct icmp *icmph; 154 int totsz, tmr_stopped = 0; 155 uint16_t nxtsz; 156 157 /* protection */ 158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 159 (ip == NULL) || (sh == NULL)) { 160 if (stcb != NULL) { 161 SCTP_TCB_UNLOCK(stcb); 162 } 163 return; 164 } 165 /* First job is to verify the vtag matches what I would send */ 166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 167 SCTP_TCB_UNLOCK(stcb); 168 return; 169 } 170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 171 sizeof(struct ip))); 172 if (icmph->icmp_type != ICMP_UNREACH) { 173 /* We only care about unreachable */ 174 SCTP_TCB_UNLOCK(stcb); 175 return; 176 } 177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 178 /* not a unreachable message due to frag. */ 179 SCTP_TCB_UNLOCK(stcb); 180 return; 181 } 182 totsz = ntohs(ip->ip_len); 183 184 nxtsz = ntohs(icmph->icmp_nextmtu); 185 if (nxtsz == 0) { 186 /* 187 * old type router that does not tell us what the next size 188 * mtu is. Rats we will have to guess (in a educated fashion 189 * of course) 190 */ 191 nxtsz = sctp_get_prev_mtu(totsz); 192 } 193 /* Stop any PMTU timer */ 194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 195 tmr_stopped = 1; 196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 198 } 199 /* Adjust destination size limit */ 200 if (net->mtu > nxtsz) { 201 net->mtu = nxtsz; 202 if (net->port) { 203 net->mtu -= sizeof(struct udphdr); 204 } 205 } 206 /* now what about the ep? */ 207 if (stcb->asoc.smallest_mtu > nxtsz) { 208 sctp_pathmtu_adjustment(stcb, nxtsz); 209 } 210 if (tmr_stopped) 211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 212 213 SCTP_TCB_UNLOCK(stcb); 214} 215 216void 217sctp_notify(struct sctp_inpcb *inp, 218 struct ip *ip, 219 struct sctphdr *sh, 220 struct sockaddr *to, 221 struct sctp_tcb *stcb, 222 struct sctp_nets *net) 223{ 224#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 225 struct socket *so; 226 227#endif 228 struct icmp *icmph; 229 230 /* protection */ 231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 232 (sh == NULL) || (to == NULL)) { 233 if (stcb) 234 SCTP_TCB_UNLOCK(stcb); 235 return; 236 } 237 /* First job is to verify the vtag matches what I would send */ 238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 239 SCTP_TCB_UNLOCK(stcb); 240 return; 241 } 242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 243 sizeof(struct ip))); 244 if (icmph->icmp_type != ICMP_UNREACH) { 245 /* We only care about unreachable */ 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 250 (icmph->icmp_code == ICMP_UNREACH_HOST) || 251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 257 258 /* 259 * Hmm reachablity problems we must examine closely. If its 260 * not reachable, we may have lost a network. Or if there is 261 * NO protocol at the other end named SCTP. well we consider 262 * it a OOTB abort. 263 */ 264 if (net->dest_state & SCTP_ADDR_REACHABLE) { 265 /* Ok that destination is NOT reachable */ 266 net->dest_state &= ~SCTP_ADDR_REACHABLE; 267 net->dest_state &= ~SCTP_ADDR_PF; 268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 269 stcb, 0, 270 (void *)net, SCTP_SO_NOT_LOCKED); 271 } 272 SCTP_TCB_UNLOCK(stcb); 273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 274 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 275 /* 276 * Here the peer is either playing tricks on us, including 277 * an address that belongs to someone who does not support 278 * SCTP OR was a userland implementation that shutdown and 279 * now is dead. In either case treat it like a OOTB abort 280 * with no TCB 281 */ 282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 283#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 284 so = SCTP_INP_SO(inp); 285 atomic_add_int(&stcb->asoc.refcnt, 1); 286 SCTP_TCB_UNLOCK(stcb); 287 SCTP_SOCKET_LOCK(so, 1); 288 SCTP_TCB_LOCK(stcb); 289 atomic_subtract_int(&stcb->asoc.refcnt, 1); 290#endif 291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 292 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 293#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 294 SCTP_SOCKET_UNLOCK(so, 1); 295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 296#endif 297 /* no need to unlock here, since the TCB is gone */ 298 } else { 299 SCTP_TCB_UNLOCK(stcb); 300 } 301} 302 303#endif 304 305#ifdef INET 306void 307sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311{ 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373} 374 375#endif 376 377static int 378sctp_getcred(SYSCTL_HANDLER_ARGS) 379{ 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431out: 432 return (error); 433} 434 435SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439#ifdef INET 440static void 441sctp_abort(struct socket *so) 442{ 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450sctp_must_try_again: 451 flags = inp->sctp_flags; 452#ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454#endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457#ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459#endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480} 481 482static int 483sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484{ 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490#ifdef IPSEC 491 uint32_t flags; 492 493#endif 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp != 0) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 502 if (error) { 503 return (error); 504 } 505 } 506 error = sctp_inpcb_alloc(so, vrf_id); 507 if (error) { 508 return (error); 509 } 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 SCTP_INP_WLOCK(inp); 512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 513 ip_inp = &inp->ip_inp.inp; 514 ip_inp->inp_vflag |= INP_IPV4; 515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 516#ifdef IPSEC 517 error = ipsec_init_policy(so, &ip_inp->inp_sp); 518#ifdef SCTP_LOG_CLOSING 519 sctp_log_closing(inp, NULL, 17); 520#endif 521 if (error != 0) { 522try_again: 523 flags = inp->sctp_flags; 524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 526#ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 15); 528#endif 529 SCTP_INP_WUNLOCK(inp); 530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 532 } else { 533 flags = inp->sctp_flags; 534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 535 goto try_again; 536 } else { 537 SCTP_INP_WUNLOCK(inp); 538 } 539 } 540 return (error); 541 } 542#endif /* IPSEC */ 543 SCTP_INP_WUNLOCK(inp); 544 return (0); 545} 546 547static int 548sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 549{ 550 struct sctp_inpcb *inp; 551 552 inp = (struct sctp_inpcb *)so->so_pcb; 553 if (inp == NULL) { 554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 555 return (EINVAL); 556 } 557 if (addr != NULL) { 558 if ((addr->sa_family != AF_INET) || 559 (addr->sa_len != sizeof(struct sockaddr_in))) { 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563 } 564 return (sctp_inpcb_bind(so, addr, NULL, p)); 565} 566 567#endif 568void 569sctp_close(struct socket *so) 570{ 571 struct sctp_inpcb *inp; 572 uint32_t flags; 573 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == NULL) 576 return; 577 578 /* 579 * Inform all the lower layer assoc that we are done. 580 */ 581sctp_must_try_again: 582 flags = inp->sctp_flags; 583#ifdef SCTP_LOG_CLOSING 584 sctp_log_closing(inp, NULL, 17); 585#endif 586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 589 (so->so_rcv.sb_cc > 0)) { 590#ifdef SCTP_LOG_CLOSING 591 sctp_log_closing(inp, NULL, 13); 592#endif 593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 595 } else { 596#ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 14); 598#endif 599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 601 } 602 /* 603 * The socket is now detached, no matter what the state of 604 * the SCTP association. 605 */ 606 SOCK_LOCK(so); 607 SCTP_SB_CLEAR(so->so_snd); 608 /* 609 * same for the rcv ones, they are only here for the 610 * accounting/select. 611 */ 612 SCTP_SB_CLEAR(so->so_rcv); 613 614 /* Now null out the reference, we are completely detached. */ 615 so->so_pcb = NULL; 616 SOCK_UNLOCK(so); 617 } else { 618 flags = inp->sctp_flags; 619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 620 goto sctp_must_try_again; 621 } 622 } 623 return; 624} 625 626 627int 628sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 629 struct mbuf *control, struct thread *p); 630 631 632int 633sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 634 struct mbuf *control, struct thread *p) 635{ 636 struct sctp_inpcb *inp; 637 int error; 638 639 inp = (struct sctp_inpcb *)so->so_pcb; 640 if (inp == NULL) { 641 if (control) { 642 sctp_m_freem(control); 643 control = NULL; 644 } 645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 646 sctp_m_freem(m); 647 return (EINVAL); 648 } 649 /* Got to have an to address if we are NOT a connected socket */ 650 if ((addr == NULL) && 651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 653 goto connected_type; 654 } else if (addr == NULL) { 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 656 error = EDESTADDRREQ; 657 sctp_m_freem(m); 658 if (control) { 659 sctp_m_freem(control); 660 control = NULL; 661 } 662 return (error); 663 } 664#ifdef INET6 665 if (addr->sa_family != AF_INET) { 666 /* must be a v4 address! */ 667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 668 sctp_m_freem(m); 669 if (control) { 670 sctp_m_freem(control); 671 control = NULL; 672 } 673 error = EDESTADDRREQ; 674 return (error); 675 } 676#endif /* INET6 */ 677connected_type: 678 /* now what about control */ 679 if (control) { 680 if (inp->control) { 681 SCTP_PRINTF("huh? control set?\n"); 682 sctp_m_freem(inp->control); 683 inp->control = NULL; 684 } 685 inp->control = control; 686 } 687 /* Place the data */ 688 if (inp->pkt) { 689 SCTP_BUF_NEXT(inp->pkt_last) = m; 690 inp->pkt_last = m; 691 } else { 692 inp->pkt_last = inp->pkt = m; 693 } 694 if ( 695 /* FreeBSD uses a flag passed */ 696 ((flags & PRUS_MORETOCOME) == 0) 697 ) { 698 /* 699 * note with the current version this code will only be used 700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 701 * re-defining sosend to use the sctp_sosend. One can 702 * optionally switch back to this code (by changing back the 703 * definitions) but this is not advisable. This code is used 704 * by FreeBSD when sending a file with sendfile() though. 705 */ 706 int ret; 707 708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 709 inp->pkt = NULL; 710 inp->control = NULL; 711 return (ret); 712 } else { 713 return (0); 714 } 715} 716 717int 718sctp_disconnect(struct socket *so) 719{ 720 struct sctp_inpcb *inp; 721 722 inp = (struct sctp_inpcb *)so->so_pcb; 723 if (inp == NULL) { 724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 725 return (ENOTCONN); 726 } 727 SCTP_INP_RLOCK(inp); 728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 730 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 731 /* No connection */ 732 SCTP_INP_RUNLOCK(inp); 733 return (0); 734 } else { 735 struct sctp_association *asoc; 736 struct sctp_tcb *stcb; 737 738 stcb = LIST_FIRST(&inp->sctp_asoc_list); 739 if (stcb == NULL) { 740 SCTP_INP_RUNLOCK(inp); 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 742 return (EINVAL); 743 } 744 SCTP_TCB_LOCK(stcb); 745 asoc = &stcb->asoc; 746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 747 /* We are about to be freed, out of here */ 748 SCTP_TCB_UNLOCK(stcb); 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } 752 if (((so->so_options & SO_LINGER) && 753 (so->so_linger == 0)) || 754 (so->so_rcv.sb_cc > 0)) { 755 if (SCTP_GET_STATE(asoc) != 756 SCTP_STATE_COOKIE_WAIT) { 757 /* Left with Data unread */ 758 struct mbuf *err; 759 760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 761 if (err) { 762 /* 763 * Fill in the user 764 * initiated abort 765 */ 766 struct sctp_paramhdr *ph; 767 768 ph = mtod(err, struct sctp_paramhdr *); 769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 771 ph->param_length = htons(SCTP_BUF_LEN(err)); 772 } 773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 774 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 775 } 776 SCTP_INP_RUNLOCK(inp); 777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 779 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 780 } 781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 782 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 783 /* No unlock tcb assoc is gone */ 784 return (0); 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->stream_queue_cnt == 0)) { 789 /* there is nothing queued to send, so done */ 790 if (asoc->locked_on_sending) { 791 goto abort_anyway; 792 } 793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 795 /* only send SHUTDOWN 1st time thru */ 796 struct sctp_nets *netp; 797 798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 800 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 801 } 802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 804 sctp_stop_timers_for_shutdown(stcb); 805 if (stcb->asoc.alternate) { 806 netp = stcb->asoc.alternate; 807 } else { 808 netp = stcb->asoc.primary_destination; 809 } 810 sctp_send_shutdown(stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 812 stcb->sctp_ep, stcb, netp); 813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 814 stcb->sctp_ep, stcb, netp); 815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 816 } 817 } else { 818 /* 819 * we still got (or just got) data to send, 820 * so set SHUTDOWN_PENDING 821 */ 822 /* 823 * XXX sockets draft says that SCTP_EOF 824 * should be sent with no data. currently, 825 * we will allow user data to be sent first 826 * and move to SHUTDOWN-PENDING 827 */ 828 struct sctp_nets *netp; 829 830 if (stcb->asoc.alternate) { 831 netp = stcb->asoc.alternate; 832 } else { 833 netp = stcb->asoc.primary_destination; 834 } 835 836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 838 netp); 839 if (asoc->locked_on_sending) { 840 /* Locked to send out the data */ 841 struct sctp_stream_queue_pending *sp; 842 843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 844 if (sp == NULL) { 845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 846 asoc->locked_on_sending->stream_no); 847 } else { 848 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 850 } 851 } 852 if (TAILQ_EMPTY(&asoc->send_queue) && 853 TAILQ_EMPTY(&asoc->sent_queue) && 854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 855 struct mbuf *op_err; 856 857 abort_anyway: 858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 861 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 864 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 865 } 866 SCTP_INP_RUNLOCK(inp); 867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 868 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 869 return (0); 870 } else { 871 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 872 } 873 } 874 soisdisconnecting(so); 875 SCTP_TCB_UNLOCK(stcb); 876 SCTP_INP_RUNLOCK(inp); 877 return (0); 878 } 879 /* not reached */ 880 } else { 881 /* UDP model does not support this */ 882 SCTP_INP_RUNLOCK(inp); 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 884 return (EOPNOTSUPP); 885 } 886} 887 888int 889sctp_flush(struct socket *so, int how) 890{ 891 /* 892 * We will just clear out the values and let subsequent close clear 893 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 894 * they will not be able to read the data, the socket will block 895 * that from happening. 896 */ 897 struct sctp_inpcb *inp; 898 899 inp = (struct sctp_inpcb *)so->so_pcb; 900 if (inp == NULL) { 901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 902 return (EINVAL); 903 } 904 SCTP_INP_RLOCK(inp); 905 /* For the 1 to many model this does nothing */ 906 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 907 SCTP_INP_RUNLOCK(inp); 908 return (0); 909 } 910 SCTP_INP_RUNLOCK(inp); 911 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 912 /* 913 * First make sure the sb will be happy, we don't use these 914 * except maybe the count 915 */ 916 SCTP_INP_WLOCK(inp); 917 SCTP_INP_READ_LOCK(inp); 918 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 919 SCTP_INP_READ_UNLOCK(inp); 920 SCTP_INP_WUNLOCK(inp); 921 so->so_rcv.sb_cc = 0; 922 so->so_rcv.sb_mbcnt = 0; 923 so->so_rcv.sb_mb = NULL; 924 } 925 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 926 /* 927 * First make sure the sb will be happy, we don't use these 928 * except maybe the count 929 */ 930 so->so_snd.sb_cc = 0; 931 so->so_snd.sb_mbcnt = 0; 932 so->so_snd.sb_mb = NULL; 933 934 } 935 return (0); 936} 937 938int 939sctp_shutdown(struct socket *so) 940{ 941 struct sctp_inpcb *inp; 942 943 inp = (struct sctp_inpcb *)so->so_pcb; 944 if (inp == NULL) { 945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 946 return (EINVAL); 947 } 948 SCTP_INP_RLOCK(inp); 949 /* For UDP model this is a invalid call */ 950 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 952 /* Restore the flags that the soshutdown took away. */ 953 SOCKBUF_LOCK(&so->so_rcv); 954 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 955 SOCKBUF_UNLOCK(&so->so_rcv); 956 /* This proc will wakeup for read and do nothing (I hope) */ 957 SCTP_INP_RUNLOCK(inp); 958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 959 return (EOPNOTSUPP); 960 } 961 /* 962 * Ok if we reach here its the TCP model and it is either a SHUT_WR 963 * or SHUT_RDWR. This means we put the shutdown flag against it. 964 */ 965 { 966 struct sctp_tcb *stcb; 967 struct sctp_association *asoc; 968 969 if ((so->so_state & 970 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 971 SCTP_INP_RUNLOCK(inp); 972 return (ENOTCONN); 973 } 974 socantsendmore(so); 975 976 stcb = LIST_FIRST(&inp->sctp_asoc_list); 977 if (stcb == NULL) { 978 /* 979 * Ok we hit the case that the shutdown call was 980 * made after an abort or something. Nothing to do 981 * now. 982 */ 983 SCTP_INP_RUNLOCK(inp); 984 return (0); 985 } 986 SCTP_TCB_LOCK(stcb); 987 asoc = &stcb->asoc; 988 if (TAILQ_EMPTY(&asoc->send_queue) && 989 TAILQ_EMPTY(&asoc->sent_queue) && 990 (asoc->stream_queue_cnt == 0)) { 991 if (asoc->locked_on_sending) { 992 goto abort_anyway; 993 } 994 /* there is nothing queued to send, so I'm done... */ 995 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 996 /* only send SHUTDOWN the first time through */ 997 struct sctp_nets *netp; 998 999 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1000 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1001 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1002 } 1003 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1004 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1005 sctp_stop_timers_for_shutdown(stcb); 1006 if (stcb->asoc.alternate) { 1007 netp = stcb->asoc.alternate; 1008 } else { 1009 netp = stcb->asoc.primary_destination; 1010 } 1011 sctp_send_shutdown(stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1015 stcb->sctp_ep, stcb, netp); 1016 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1017 } 1018 } else { 1019 /* 1020 * we still got (or just got) data to send, so set 1021 * SHUTDOWN_PENDING 1022 */ 1023 struct sctp_nets *netp; 1024 1025 if (stcb->asoc.alternate) { 1026 netp = stcb->asoc.alternate; 1027 } else { 1028 netp = stcb->asoc.primary_destination; 1029 } 1030 1031 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1032 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1033 netp); 1034 1035 if (asoc->locked_on_sending) { 1036 /* Locked to send out the data */ 1037 struct sctp_stream_queue_pending *sp; 1038 1039 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1040 if (sp == NULL) { 1041 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1042 asoc->locked_on_sending->stream_no); 1043 } else { 1044 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1045 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1046 } 1047 } 1048 } 1049 if (TAILQ_EMPTY(&asoc->send_queue) && 1050 TAILQ_EMPTY(&asoc->sent_queue) && 1051 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1052 struct mbuf *op_err; 1053 1054 abort_anyway: 1055 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1056 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1057 sctp_abort_an_association(stcb->sctp_ep, stcb, 1058 op_err, SCTP_SO_LOCKED); 1059 goto skip_unlock; 1060 } else { 1061 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1062 } 1063 } 1064 SCTP_TCB_UNLOCK(stcb); 1065 } 1066skip_unlock: 1067 SCTP_INP_RUNLOCK(inp); 1068 return (0); 1069} 1070 1071/* 1072 * copies a "user" presentable address and removes embedded scope, etc. 1073 * returns 0 on success, 1 on error 1074 */ 1075static uint32_t 1076sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1077{ 1078#ifdef INET6 1079 struct sockaddr_in6 lsa6; 1080 1081 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1082 &lsa6); 1083#endif 1084 memcpy(ss, sa, sa->sa_len); 1085 return (0); 1086} 1087 1088 1089 1090/* 1091 * NOTE: assumes addr lock is held 1092 */ 1093static size_t 1094sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1095 struct sctp_tcb *stcb, 1096 size_t limit, 1097 struct sockaddr_storage *sas, 1098 uint32_t vrf_id) 1099{ 1100 struct sctp_ifn *sctp_ifn; 1101 struct sctp_ifa *sctp_ifa; 1102 size_t actual; 1103 int loopback_scope; 1104 1105#if defined(INET) 1106 int ipv4_local_scope, ipv4_addr_legal; 1107 1108#endif 1109#if defined(INET6) 1110 int local_scope, site_scope, ipv6_addr_legal; 1111 1112#endif 1113 struct sctp_vrf *vrf; 1114 1115 actual = 0; 1116 if (limit <= 0) 1117 return (actual); 1118 1119 if (stcb) { 1120 /* Turn on all the appropriate scope */ 1121 loopback_scope = stcb->asoc.scope.loopback_scope; 1122#if defined(INET) 1123 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1124 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1125#endif 1126#if defined(INET6) 1127 local_scope = stcb->asoc.scope.local_scope; 1128 site_scope = stcb->asoc.scope.site_scope; 1129 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1130#endif 1131 } else { 1132 /* Use generic values for endpoints. */ 1133 loopback_scope = 1; 1134#if defined(INET) 1135 ipv4_local_scope = 1; 1136#endif 1137#if defined(INET6) 1138 local_scope = 1; 1139 site_scope = 1; 1140#endif 1141 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1142#if defined(INET6) 1143 ipv6_addr_legal = 1; 1144#endif 1145#if defined(INET) 1146 if (SCTP_IPV6_V6ONLY(inp)) { 1147 ipv4_addr_legal = 0; 1148 } else { 1149 ipv4_addr_legal = 1; 1150 } 1151#endif 1152 } else { 1153#if defined(INET6) 1154 ipv6_addr_legal = 0; 1155#endif 1156#if defined(INET) 1157 ipv4_addr_legal = 1; 1158#endif 1159 } 1160 } 1161 vrf = sctp_find_vrf(vrf_id); 1162 if (vrf == NULL) { 1163 return (0); 1164 } 1165 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1166 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1167 if ((loopback_scope == 0) && 1168 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1169 /* Skip loopback if loopback_scope not set */ 1170 continue; 1171 } 1172 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1173 if (stcb) { 1174 /* 1175 * For the BOUND-ALL case, the list 1176 * associated with a TCB is Always 1177 * considered a reverse list.. i.e. 1178 * it lists addresses that are NOT 1179 * part of the association. If this 1180 * is one of those we must skip it. 1181 */ 1182 if (sctp_is_addr_restricted(stcb, 1183 sctp_ifa)) { 1184 continue; 1185 } 1186 } 1187 switch (sctp_ifa->address.sa.sa_family) { 1188#ifdef INET 1189 case AF_INET: 1190 if (ipv4_addr_legal) { 1191 struct sockaddr_in *sin; 1192 1193 sin = &sctp_ifa->address.sin; 1194 if (sin->sin_addr.s_addr == 0) { 1195 /* 1196 * we skip 1197 * unspecifed 1198 * addresses 1199 */ 1200 continue; 1201 } 1202 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1203 &sin->sin_addr) != 0) { 1204 continue; 1205 } 1206 if ((ipv4_local_scope == 0) && 1207 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1208 continue; 1209 } 1210#ifdef INET6 1211 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1212 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1213 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1214 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1215 actual += sizeof(struct sockaddr_in6); 1216 } else { 1217#endif 1218 memcpy(sas, sin, sizeof(*sin)); 1219 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1221 actual += sizeof(*sin); 1222#ifdef INET6 1223 } 1224#endif 1225 if (actual >= limit) { 1226 return (actual); 1227 } 1228 } else { 1229 continue; 1230 } 1231 break; 1232#endif 1233#ifdef INET6 1234 case AF_INET6: 1235 if (ipv6_addr_legal) { 1236 struct sockaddr_in6 *sin6; 1237 1238 sin6 = &sctp_ifa->address.sin6; 1239 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1240 /* 1241 * we skip 1242 * unspecifed 1243 * addresses 1244 */ 1245 continue; 1246 } 1247 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1248 &sin6->sin6_addr) != 0) { 1249 continue; 1250 } 1251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1252 if (local_scope == 0) 1253 continue; 1254 if (sin6->sin6_scope_id == 0) { 1255 if (sa6_recoverscope(sin6) != 0) 1256 /* 1257 * 1258 * bad 1259 * 1260 * li 1261 * nk 1262 * 1263 * loc 1264 * al 1265 * 1266 * add 1267 * re 1268 * ss 1269 * */ 1270 continue; 1271 } 1272 } 1273 if ((site_scope == 0) && 1274 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1275 continue; 1276 } 1277 memcpy(sas, sin6, sizeof(*sin6)); 1278 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1279 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1280 actual += sizeof(*sin6); 1281 if (actual >= limit) { 1282 return (actual); 1283 } 1284 } else { 1285 continue; 1286 } 1287 break; 1288#endif 1289 default: 1290 /* TSNH */ 1291 break; 1292 } 1293 } 1294 } 1295 } else { 1296 struct sctp_laddr *laddr; 1297 1298 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1299 if (stcb) { 1300 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1301 continue; 1302 } 1303 } 1304 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1305 continue; 1306 switch (laddr->ifa->address.sa.sa_family) { 1307#ifdef INET 1308 case AF_INET: 1309 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1310 break; 1311#endif 1312#ifdef INET6 1313 case AF_INET6: 1314 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1315 break; 1316#endif 1317 default: 1318 /* TSNH */ 1319 break; 1320 } 1321 sas = (struct sockaddr_storage *)((caddr_t)sas + 1322 laddr->ifa->address.sa.sa_len); 1323 actual += laddr->ifa->address.sa.sa_len; 1324 if (actual >= limit) { 1325 return (actual); 1326 } 1327 } 1328 } 1329 return (actual); 1330} 1331 1332static size_t 1333sctp_fill_up_addresses(struct sctp_inpcb *inp, 1334 struct sctp_tcb *stcb, 1335 size_t limit, 1336 struct sockaddr_storage *sas) 1337{ 1338 size_t size = 0; 1339 1340 SCTP_IPI_ADDR_RLOCK(); 1341 /* fill up addresses for the endpoint's default vrf */ 1342 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1343 inp->def_vrf_id); 1344 SCTP_IPI_ADDR_RUNLOCK(); 1345 return (size); 1346} 1347 1348/* 1349 * NOTE: assumes addr lock is held 1350 */ 1351static int 1352sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1353{ 1354 int cnt = 0; 1355 struct sctp_vrf *vrf = NULL; 1356 1357 /* 1358 * In both sub-set bound an bound_all cases we return the MAXIMUM 1359 * number of addresses that you COULD get. In reality the sub-set 1360 * bound may have an exclusion list for a given TCB OR in the 1361 * bound-all case a TCB may NOT include the loopback or other 1362 * addresses as well. 1363 */ 1364 vrf = sctp_find_vrf(vrf_id); 1365 if (vrf == NULL) { 1366 return (0); 1367 } 1368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1369 struct sctp_ifn *sctp_ifn; 1370 struct sctp_ifa *sctp_ifa; 1371 1372 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1373 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1374 /* Count them if they are the right type */ 1375 switch (sctp_ifa->address.sa.sa_family) { 1376#ifdef INET 1377 case AF_INET: 1378#ifdef INET6 1379 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1380 cnt += sizeof(struct sockaddr_in6); 1381 else 1382 cnt += sizeof(struct sockaddr_in); 1383#else 1384 cnt += sizeof(struct sockaddr_in); 1385#endif 1386 break; 1387#endif 1388#ifdef INET6 1389 case AF_INET6: 1390 cnt += sizeof(struct sockaddr_in6); 1391 break; 1392#endif 1393 default: 1394 break; 1395 } 1396 } 1397 } 1398 } else { 1399 struct sctp_laddr *laddr; 1400 1401 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1402 switch (laddr->ifa->address.sa.sa_family) { 1403#ifdef INET 1404 case AF_INET: 1405#ifdef INET6 1406 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1407 cnt += sizeof(struct sockaddr_in6); 1408 else 1409 cnt += sizeof(struct sockaddr_in); 1410#else 1411 cnt += sizeof(struct sockaddr_in); 1412#endif 1413 break; 1414#endif 1415#ifdef INET6 1416 case AF_INET6: 1417 cnt += sizeof(struct sockaddr_in6); 1418 break; 1419#endif 1420 default: 1421 break; 1422 } 1423 } 1424 } 1425 return (cnt); 1426} 1427 1428static int 1429sctp_count_max_addresses(struct sctp_inpcb *inp) 1430{ 1431 int cnt = 0; 1432 1433 SCTP_IPI_ADDR_RLOCK(); 1434 /* count addresses for the endpoint's default VRF */ 1435 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1436 SCTP_IPI_ADDR_RUNLOCK(); 1437 return (cnt); 1438} 1439 1440static int 1441sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1442 size_t optsize, void *p, int delay) 1443{ 1444 int error = 0; 1445 int creat_lock_on = 0; 1446 struct sctp_tcb *stcb = NULL; 1447 struct sockaddr *sa; 1448 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1449 uint32_t vrf_id; 1450 int bad_addresses = 0; 1451 sctp_assoc_t *a_id; 1452 1453 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1454 1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1456 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1457 /* We are already connected AND the TCP model */ 1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1459 return (EADDRINUSE); 1460 } 1461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1462 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1464 return (EINVAL); 1465 } 1466 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1467 SCTP_INP_RLOCK(inp); 1468 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1469 SCTP_INP_RUNLOCK(inp); 1470 } 1471 if (stcb) { 1472 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1473 return (EALREADY); 1474 } 1475 SCTP_INP_INCR_REF(inp); 1476 SCTP_ASOC_CREATE_LOCK(inp); 1477 creat_lock_on = 1; 1478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1479 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1480 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1481 error = EFAULT; 1482 goto out_now; 1483 } 1484 totaddrp = (int *)optval; 1485 totaddr = *totaddrp; 1486 sa = (struct sockaddr *)(totaddrp + 1); 1487 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1488 if ((stcb != NULL) || bad_addresses) { 1489 /* Already have or am bring up an association */ 1490 SCTP_ASOC_CREATE_UNLOCK(inp); 1491 creat_lock_on = 0; 1492 if (stcb) 1493 SCTP_TCB_UNLOCK(stcb); 1494 if (bad_addresses == 0) { 1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1496 error = EALREADY; 1497 } 1498 goto out_now; 1499 } 1500#ifdef INET6 1501 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1502 (num_v6 > 0)) { 1503 error = EINVAL; 1504 goto out_now; 1505 } 1506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1507 (num_v4 > 0)) { 1508 struct in6pcb *inp6; 1509 1510 inp6 = (struct in6pcb *)inp; 1511 if (SCTP_IPV6_V6ONLY(inp6)) { 1512 /* 1513 * if IPV6_V6ONLY flag, ignore connections destined 1514 * to a v4 addr or v4-mapped addr 1515 */ 1516 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1517 error = EINVAL; 1518 goto out_now; 1519 } 1520 } 1521#endif /* INET6 */ 1522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1523 SCTP_PCB_FLAGS_UNBOUND) { 1524 /* Bind a ephemeral port */ 1525 error = sctp_inpcb_bind(so, NULL, NULL, p); 1526 if (error) { 1527 goto out_now; 1528 } 1529 } 1530 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1531 vrf_id = inp->def_vrf_id; 1532 1533 1534 /* We are GOOD to go */ 1535 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1536 (struct thread *)p 1537 ); 1538 if (stcb == NULL) { 1539 /* Gak! no memory */ 1540 goto out_now; 1541 } 1542 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1543 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1544 /* Set the connected flag so we can queue data */ 1545 soisconnecting(so); 1546 } 1547 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1548 /* move to second address */ 1549 switch (sa->sa_family) { 1550#ifdef INET 1551 case AF_INET: 1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1553 break; 1554#endif 1555#ifdef INET6 1556 case AF_INET6: 1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1558 break; 1559#endif 1560 default: 1561 break; 1562 } 1563 1564 error = 0; 1565 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1566 /* Fill in the return id */ 1567 if (error) { 1568 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1569 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1570 goto out_now; 1571 } 1572 a_id = (sctp_assoc_t *) optval; 1573 *a_id = sctp_get_associd(stcb); 1574 1575 /* initialize authentication parameters for the assoc */ 1576 sctp_initialize_auth_params(inp, stcb); 1577 1578 if (delay) { 1579 /* doing delayed connection */ 1580 stcb->asoc.delayed_connection = 1; 1581 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1582 } else { 1583 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1584 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1585 } 1586 SCTP_TCB_UNLOCK(stcb); 1587 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1588 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1589 /* Set the connected flag so we can queue data */ 1590 soisconnecting(so); 1591 } 1592out_now: 1593 if (creat_lock_on) { 1594 SCTP_ASOC_CREATE_UNLOCK(inp); 1595 } 1596 SCTP_INP_DECR_REF(inp); 1597 return (error); 1598} 1599 1600#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1603 SCTP_INP_RLOCK(inp); \ 1604 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1605 if (stcb) { \ 1606 SCTP_TCB_LOCK(stcb); \ 1607 } \ 1608 SCTP_INP_RUNLOCK(inp); \ 1609 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1610 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1611 if (stcb == NULL) { \ 1612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1613 error = ENOENT; \ 1614 break; \ 1615 } \ 1616 } else { \ 1617 stcb = NULL; \ 1618 } \ 1619 } 1620 1621 1622#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1623 if (size < sizeof(type)) { \ 1624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1625 error = EINVAL; \ 1626 break; \ 1627 } else { \ 1628 destp = (type *)srcp; \ 1629 } \ 1630 } 1631 1632static int 1633sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1634 void *p) 1635{ 1636 struct sctp_inpcb *inp = NULL; 1637 int error, val = 0; 1638 struct sctp_tcb *stcb = NULL; 1639 1640 if (optval == NULL) { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 return (EINVAL); 1643 } 1644 inp = (struct sctp_inpcb *)so->so_pcb; 1645 if (inp == NULL) { 1646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1647 return EINVAL; 1648 } 1649 error = 0; 1650 1651 switch (optname) { 1652 case SCTP_NODELAY: 1653 case SCTP_AUTOCLOSE: 1654 case SCTP_EXPLICIT_EOR: 1655 case SCTP_AUTO_ASCONF: 1656 case SCTP_DISABLE_FRAGMENTS: 1657 case SCTP_I_WANT_MAPPED_V4_ADDR: 1658 case SCTP_USE_EXT_RCVINFO: 1659 SCTP_INP_RLOCK(inp); 1660 switch (optname) { 1661 case SCTP_DISABLE_FRAGMENTS: 1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1663 break; 1664 case SCTP_I_WANT_MAPPED_V4_ADDR: 1665 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1666 break; 1667 case SCTP_AUTO_ASCONF: 1668 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1669 /* only valid for bound all sockets */ 1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1671 } else { 1672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1673 error = EINVAL; 1674 goto flags_out; 1675 } 1676 break; 1677 case SCTP_EXPLICIT_EOR: 1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1679 break; 1680 case SCTP_NODELAY: 1681 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1682 break; 1683 case SCTP_USE_EXT_RCVINFO: 1684 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1685 break; 1686 case SCTP_AUTOCLOSE: 1687 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1688 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1689 else 1690 val = 0; 1691 break; 1692 1693 default: 1694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1695 error = ENOPROTOOPT; 1696 } /* end switch (sopt->sopt_name) */ 1697 if (*optsize < sizeof(val)) { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701flags_out: 1702 SCTP_INP_RUNLOCK(inp); 1703 if (error == 0) { 1704 /* return the option value */ 1705 *(int *)optval = val; 1706 *optsize = sizeof(val); 1707 } 1708 break; 1709 case SCTP_GET_PACKET_LOG: 1710 { 1711#ifdef SCTP_PACKET_LOGGING 1712 uint8_t *target; 1713 int ret; 1714 1715 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1716 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1717 *optsize = ret; 1718#else 1719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1720 error = EOPNOTSUPP; 1721#endif 1722 break; 1723 } 1724 case SCTP_REUSE_PORT: 1725 { 1726 uint32_t *value; 1727 1728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1729 /* Can't do this for a 1-m socket */ 1730 error = EINVAL; 1731 break; 1732 } 1733 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1734 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1735 *optsize = sizeof(uint32_t); 1736 break; 1737 } 1738 case SCTP_PARTIAL_DELIVERY_POINT: 1739 { 1740 uint32_t *value; 1741 1742 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1743 *value = inp->partial_delivery_point; 1744 *optsize = sizeof(uint32_t); 1745 break; 1746 } 1747 case SCTP_FRAGMENT_INTERLEAVE: 1748 { 1749 uint32_t *value; 1750 1751 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1752 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1754 *value = SCTP_FRAG_LEVEL_2; 1755 } else { 1756 *value = SCTP_FRAG_LEVEL_1; 1757 } 1758 } else { 1759 *value = SCTP_FRAG_LEVEL_0; 1760 } 1761 *optsize = sizeof(uint32_t); 1762 break; 1763 } 1764 case SCTP_CMT_ON_OFF: 1765 { 1766 struct sctp_assoc_value *av; 1767 1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1770 if (stcb) { 1771 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1772 SCTP_TCB_UNLOCK(stcb); 1773 } else { 1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1777 SCTP_INP_RLOCK(inp); 1778 av->assoc_value = inp->sctp_cmt_on_off; 1779 SCTP_INP_RUNLOCK(inp); 1780 } else { 1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1782 error = EINVAL; 1783 } 1784 } 1785 if (error == 0) { 1786 *optsize = sizeof(struct sctp_assoc_value); 1787 } 1788 break; 1789 } 1790 case SCTP_PLUGGABLE_CC: 1791 { 1792 struct sctp_assoc_value *av; 1793 1794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1795 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1796 if (stcb) { 1797 av->assoc_value = stcb->asoc.congestion_control_module; 1798 SCTP_TCB_UNLOCK(stcb); 1799 } else { 1800 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1801 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1802 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1803 SCTP_INP_RLOCK(inp); 1804 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1805 SCTP_INP_RUNLOCK(inp); 1806 } else { 1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1808 error = EINVAL; 1809 } 1810 } 1811 if (error == 0) { 1812 *optsize = sizeof(struct sctp_assoc_value); 1813 } 1814 break; 1815 } 1816 case SCTP_CC_OPTION: 1817 { 1818 struct sctp_cc_option *cc_opt; 1819 1820 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1821 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1822 if (stcb == NULL) { 1823 error = EINVAL; 1824 } else { 1825 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1826 error = ENOTSUP; 1827 } else { 1828 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1829 *optsize = sizeof(struct sctp_cc_option); 1830 } 1831 SCTP_TCB_UNLOCK(stcb); 1832 } 1833 break; 1834 } 1835 case SCTP_PLUGGABLE_SS: 1836 { 1837 struct sctp_assoc_value *av; 1838 1839 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1840 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1841 if (stcb) { 1842 av->assoc_value = stcb->asoc.stream_scheduling_module; 1843 SCTP_TCB_UNLOCK(stcb); 1844 } else { 1845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1847 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1848 SCTP_INP_RLOCK(inp); 1849 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1850 SCTP_INP_RUNLOCK(inp); 1851 } else { 1852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1853 error = EINVAL; 1854 } 1855 } 1856 if (error == 0) { 1857 *optsize = sizeof(struct sctp_assoc_value); 1858 } 1859 break; 1860 } 1861 case SCTP_SS_VALUE: 1862 { 1863 struct sctp_stream_value *av; 1864 1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1866 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1867 if (stcb) { 1868 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1869 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1870 &av->stream_value) < 0)) { 1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1872 error = EINVAL; 1873 } else { 1874 *optsize = sizeof(struct sctp_stream_value); 1875 } 1876 SCTP_TCB_UNLOCK(stcb); 1877 } else { 1878 /* 1879 * Can't get stream value without 1880 * association 1881 */ 1882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1883 error = EINVAL; 1884 } 1885 break; 1886 } 1887 case SCTP_GET_ADDR_LEN: 1888 { 1889 struct sctp_assoc_value *av; 1890 1891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1892 error = EINVAL; 1893#ifdef INET 1894 if (av->assoc_value == AF_INET) { 1895 av->assoc_value = sizeof(struct sockaddr_in); 1896 error = 0; 1897 } 1898#endif 1899#ifdef INET6 1900 if (av->assoc_value == AF_INET6) { 1901 av->assoc_value = sizeof(struct sockaddr_in6); 1902 error = 0; 1903 } 1904#endif 1905 if (error) { 1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1907 } else { 1908 *optsize = sizeof(struct sctp_assoc_value); 1909 } 1910 break; 1911 } 1912 case SCTP_GET_ASSOC_NUMBER: 1913 { 1914 uint32_t *value, cnt; 1915 1916 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1917 cnt = 0; 1918 SCTP_INP_RLOCK(inp); 1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1920 cnt++; 1921 } 1922 SCTP_INP_RUNLOCK(inp); 1923 *value = cnt; 1924 *optsize = sizeof(uint32_t); 1925 break; 1926 } 1927 case SCTP_GET_ASSOC_ID_LIST: 1928 { 1929 struct sctp_assoc_ids *ids; 1930 unsigned int at, limit; 1931 1932 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1933 at = 0; 1934 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1935 SCTP_INP_RLOCK(inp); 1936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1937 if (at < limit) { 1938 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1939 } else { 1940 error = EINVAL; 1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1942 break; 1943 } 1944 } 1945 SCTP_INP_RUNLOCK(inp); 1946 if (error == 0) { 1947 ids->gaids_number_of_ids = at; 1948 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1949 } 1950 break; 1951 } 1952 case SCTP_CONTEXT: 1953 { 1954 struct sctp_assoc_value *av; 1955 1956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1958 1959 if (stcb) { 1960 av->assoc_value = stcb->asoc.context; 1961 SCTP_TCB_UNLOCK(stcb); 1962 } else { 1963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1965 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1966 SCTP_INP_RLOCK(inp); 1967 av->assoc_value = inp->sctp_context; 1968 SCTP_INP_RUNLOCK(inp); 1969 } else { 1970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1971 error = EINVAL; 1972 } 1973 } 1974 if (error == 0) { 1975 *optsize = sizeof(struct sctp_assoc_value); 1976 } 1977 break; 1978 } 1979 case SCTP_VRF_ID: 1980 { 1981 uint32_t *default_vrfid; 1982 1983 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1984 *default_vrfid = inp->def_vrf_id; 1985 *optsize = sizeof(uint32_t); 1986 break; 1987 } 1988 case SCTP_GET_ASOC_VRF: 1989 { 1990 struct sctp_assoc_value *id; 1991 1992 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1994 if (stcb == NULL) { 1995 error = EINVAL; 1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1997 } else { 1998 id->assoc_value = stcb->asoc.vrf_id; 1999 *optsize = sizeof(struct sctp_assoc_value); 2000 } 2001 break; 2002 } 2003 case SCTP_GET_VRF_IDS: 2004 { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2006 error = EOPNOTSUPP; 2007 break; 2008 } 2009 case SCTP_GET_NONCE_VALUES: 2010 { 2011 struct sctp_get_nonce_values *gnv; 2012 2013 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2014 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2015 2016 if (stcb) { 2017 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2018 gnv->gn_local_tag = stcb->asoc.my_vtag; 2019 SCTP_TCB_UNLOCK(stcb); 2020 *optsize = sizeof(struct sctp_get_nonce_values); 2021 } else { 2022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2023 error = ENOTCONN; 2024 } 2025 break; 2026 } 2027 case SCTP_DELAYED_SACK: 2028 { 2029 struct sctp_sack_info *sack; 2030 2031 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2032 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2033 if (stcb) { 2034 sack->sack_delay = stcb->asoc.delayed_ack; 2035 sack->sack_freq = stcb->asoc.sack_freq; 2036 SCTP_TCB_UNLOCK(stcb); 2037 } else { 2038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2039 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2040 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2041 SCTP_INP_RLOCK(inp); 2042 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2043 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2044 SCTP_INP_RUNLOCK(inp); 2045 } else { 2046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2047 error = EINVAL; 2048 } 2049 } 2050 if (error == 0) { 2051 *optsize = sizeof(struct sctp_sack_info); 2052 } 2053 break; 2054 } 2055 case SCTP_GET_SNDBUF_USE: 2056 { 2057 struct sctp_sockstat *ss; 2058 2059 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2060 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2061 2062 if (stcb) { 2063 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2064 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2065 stcb->asoc.size_on_all_streams); 2066 SCTP_TCB_UNLOCK(stcb); 2067 *optsize = sizeof(struct sctp_sockstat); 2068 } else { 2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2070 error = ENOTCONN; 2071 } 2072 break; 2073 } 2074 case SCTP_MAX_BURST: 2075 { 2076 struct sctp_assoc_value *av; 2077 2078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2079 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2080 2081 if (stcb) { 2082 av->assoc_value = stcb->asoc.max_burst; 2083 SCTP_TCB_UNLOCK(stcb); 2084 } else { 2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2087 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2088 SCTP_INP_RLOCK(inp); 2089 av->assoc_value = inp->sctp_ep.max_burst; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_MAXSEG: 2102 { 2103 struct sctp_assoc_value *av; 2104 int ovh; 2105 2106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2107 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2108 2109 if (stcb) { 2110 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2111 SCTP_TCB_UNLOCK(stcb); 2112 } else { 2113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2115 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2116 SCTP_INP_RLOCK(inp); 2117 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2118 ovh = SCTP_MED_OVERHEAD; 2119 } else { 2120 ovh = SCTP_MED_V4_OVERHEAD; 2121 } 2122 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2123 av->assoc_value = 0; 2124 else 2125 av->assoc_value = inp->sctp_frag_point - ovh; 2126 SCTP_INP_RUNLOCK(inp); 2127 } else { 2128 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2129 error = EINVAL; 2130 } 2131 } 2132 if (error == 0) { 2133 *optsize = sizeof(struct sctp_assoc_value); 2134 } 2135 break; 2136 } 2137 case SCTP_GET_STAT_LOG: 2138 error = sctp_fill_stat_log(optval, optsize); 2139 break; 2140 case SCTP_EVENTS: 2141 { 2142 struct sctp_event_subscribe *events; 2143 2144 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2145 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2146 SCTP_INP_RLOCK(inp); 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2148 events->sctp_data_io_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2151 events->sctp_association_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2154 events->sctp_address_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2157 events->sctp_send_failure_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2160 events->sctp_peer_error_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2163 events->sctp_shutdown_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2166 events->sctp_partial_delivery_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2169 events->sctp_adaptation_layer_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2172 events->sctp_authentication_event = 1; 2173 2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2175 events->sctp_sender_dry_event = 1; 2176 2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2178 events->sctp_stream_reset_event = 1; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(struct sctp_event_subscribe); 2181 break; 2182 } 2183 case SCTP_ADAPTATION_LAYER: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 2189 SCTP_INP_RLOCK(inp); 2190 *value = inp->sctp_ep.adaptation_layer_indicator; 2191 SCTP_INP_RUNLOCK(inp); 2192 *optsize = sizeof(uint32_t); 2193 break; 2194 } 2195 case SCTP_SET_INITIAL_DBG_SEQ: 2196 { 2197 uint32_t *value; 2198 2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2200 SCTP_INP_RLOCK(inp); 2201 *value = inp->sctp_ep.initial_sequence_debug; 2202 SCTP_INP_RUNLOCK(inp); 2203 *optsize = sizeof(uint32_t); 2204 break; 2205 } 2206 case SCTP_GET_LOCAL_ADDR_SIZE: 2207 { 2208 uint32_t *value; 2209 2210 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2211 SCTP_INP_RLOCK(inp); 2212 *value = sctp_count_max_addresses(inp); 2213 SCTP_INP_RUNLOCK(inp); 2214 *optsize = sizeof(uint32_t); 2215 break; 2216 } 2217 case SCTP_GET_REMOTE_ADDR_SIZE: 2218 { 2219 uint32_t *value; 2220 size_t size; 2221 struct sctp_nets *net; 2222 2223 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2224 /* FIXME MT: change to sctp_assoc_value? */ 2225 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2226 2227 if (stcb) { 2228 size = 0; 2229 /* Count the sizes */ 2230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2231 switch (net->ro._l_addr.sa.sa_family) { 2232#ifdef INET 2233 case AF_INET: 2234#ifdef INET6 2235 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2236 size += sizeof(struct sockaddr_in6); 2237 } else { 2238 size += sizeof(struct sockaddr_in); 2239 } 2240#else 2241 size += sizeof(struct sockaddr_in); 2242#endif 2243 break; 2244#endif 2245#ifdef INET6 2246 case AF_INET6: 2247 size += sizeof(struct sockaddr_in6); 2248 break; 2249#endif 2250 default: 2251 break; 2252 } 2253 } 2254 SCTP_TCB_UNLOCK(stcb); 2255 *value = (uint32_t) size; 2256 *optsize = sizeof(uint32_t); 2257 } else { 2258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2259 error = ENOTCONN; 2260 } 2261 break; 2262 } 2263 case SCTP_GET_PEER_ADDRESSES: 2264 /* 2265 * Get the address information, an array is passed in to 2266 * fill up we pack it. 2267 */ 2268 { 2269 size_t cpsz, left; 2270 struct sockaddr_storage *sas; 2271 struct sctp_nets *net; 2272 struct sctp_getaddresses *saddr; 2273 2274 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2275 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2276 2277 if (stcb) { 2278 left = (*optsize) - sizeof(struct sctp_getaddresses); 2279 *optsize = sizeof(struct sctp_getaddresses); 2280 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2281 2282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2283 switch (net->ro._l_addr.sa.sa_family) { 2284#ifdef INET 2285 case AF_INET: 2286#ifdef INET6 2287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2288 cpsz = sizeof(struct sockaddr_in6); 2289 } else { 2290 cpsz = sizeof(struct sockaddr_in); 2291 } 2292#else 2293 cpsz = sizeof(struct sockaddr_in); 2294#endif 2295 break; 2296#endif 2297#ifdef INET6 2298 case AF_INET6: 2299 cpsz = sizeof(struct sockaddr_in6); 2300 break; 2301#endif 2302 default: 2303 cpsz = 0; 2304 break; 2305 } 2306 if (cpsz == 0) { 2307 break; 2308 } 2309 if (left < cpsz) { 2310 /* not enough room. */ 2311 break; 2312 } 2313#if defined(INET) && defined(INET6) 2314 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2315 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2316 /* Must map the address */ 2317 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2318 (struct sockaddr_in6 *)sas); 2319 } else { 2320 memcpy(sas, &net->ro._l_addr, cpsz); 2321 } 2322#else 2323 memcpy(sas, &net->ro._l_addr, cpsz); 2324#endif 2325 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2326 2327 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2328 left -= cpsz; 2329 *optsize += cpsz; 2330 } 2331 SCTP_TCB_UNLOCK(stcb); 2332 } else { 2333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2334 error = ENOENT; 2335 } 2336 break; 2337 } 2338 case SCTP_GET_LOCAL_ADDRESSES: 2339 { 2340 size_t limit, actual; 2341 struct sockaddr_storage *sas; 2342 struct sctp_getaddresses *saddr; 2343 2344 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2345 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2346 2347 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2348 limit = *optsize - sizeof(sctp_assoc_t); 2349 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2350 if (stcb) { 2351 SCTP_TCB_UNLOCK(stcb); 2352 } 2353 *optsize = sizeof(struct sockaddr_storage) + actual; 2354 break; 2355 } 2356 case SCTP_PEER_ADDR_PARAMS: 2357 { 2358 struct sctp_paddrparams *paddrp; 2359 struct sctp_nets *net; 2360 struct sockaddr *addr; 2361 2362#if defined(INET) && defined(INET6) 2363 struct sockaddr_in sin_store; 2364 2365#endif 2366 2367 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2368 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2369 2370#if defined(INET) && defined(INET6) 2371 if (paddrp->spp_address.ss_family == AF_INET6) { 2372 struct sockaddr_in6 *sin6; 2373 2374 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2375 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2376 in6_sin6_2_sin(&sin_store, sin6); 2377 addr = (struct sockaddr *)&sin_store; 2378 } else { 2379 addr = (struct sockaddr *)&paddrp->spp_address; 2380 } 2381 } else { 2382 addr = (struct sockaddr *)&paddrp->spp_address; 2383 } 2384#else 2385 addr = (struct sockaddr *)&paddrp->spp_address; 2386#endif 2387 if (stcb != NULL) { 2388 net = sctp_findnet(stcb, addr); 2389 } else { 2390 /* 2391 * We increment here since 2392 * sctp_findassociation_ep_addr() wil do a 2393 * decrement if it finds the stcb as long as 2394 * the locked tcb (last argument) is NOT a 2395 * TCB.. aka NULL. 2396 */ 2397 net = NULL; 2398 SCTP_INP_INCR_REF(inp); 2399 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2400 if (stcb == NULL) { 2401 SCTP_INP_DECR_REF(inp); 2402 } 2403 } 2404 if ((stcb != NULL) && (net == NULL)) { 2405#ifdef INET 2406 if (addr->sa_family == AF_INET) { 2407 struct sockaddr_in *sin; 2408 2409 sin = (struct sockaddr_in *)addr; 2410 if (sin->sin_addr.s_addr != INADDR_ANY) { 2411 error = EINVAL; 2412 SCTP_TCB_UNLOCK(stcb); 2413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2414 break; 2415 } 2416 } else 2417#endif 2418#ifdef INET6 2419 if (addr->sa_family == AF_INET6) { 2420 struct sockaddr_in6 *sin6; 2421 2422 sin6 = (struct sockaddr_in6 *)addr; 2423 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2424 error = EINVAL; 2425 SCTP_TCB_UNLOCK(stcb); 2426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2427 break; 2428 } 2429 } else 2430#endif 2431 { 2432 error = EAFNOSUPPORT; 2433 SCTP_TCB_UNLOCK(stcb); 2434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2435 break; 2436 } 2437 } 2438 if (stcb != NULL) { 2439 /* Applies to the specific association */ 2440 paddrp->spp_flags = 0; 2441 if (net != NULL) { 2442 paddrp->spp_hbinterval = net->heart_beat_delay; 2443 paddrp->spp_pathmaxrxt = net->failure_threshold; 2444 paddrp->spp_pathmtu = net->mtu; 2445 switch (net->ro._l_addr.sa.sa_family) { 2446#ifdef INET 2447 case AF_INET: 2448 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2449 break; 2450#endif 2451#ifdef INET6 2452 case AF_INET6: 2453 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2454 break; 2455#endif 2456 default: 2457 break; 2458 } 2459 /* get flags for HB */ 2460 if (net->dest_state & SCTP_ADDR_NOHB) { 2461 paddrp->spp_flags |= SPP_HB_DISABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_HB_ENABLE; 2464 } 2465 /* get flags for PMTU */ 2466 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2467 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2468 } else { 2469 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2470 } 2471 if (net->dscp & 0x01) { 2472 paddrp->spp_dscp = net->dscp & 0xfc; 2473 paddrp->spp_flags |= SPP_DSCP; 2474 } 2475#ifdef INET6 2476 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2477 (net->flowlabel & 0x80000000)) { 2478 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2479 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2480 } 2481#endif 2482 } else { 2483 /* 2484 * No destination so return default 2485 * value 2486 */ 2487 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2488 paddrp->spp_pathmtu = 0; 2489 if (stcb->asoc.default_dscp & 0x01) { 2490 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2491 paddrp->spp_flags |= SPP_DSCP; 2492 } 2493#ifdef INET6 2494 if (stcb->asoc.default_flowlabel & 0x80000000) { 2495 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2496 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2497 } 2498#endif 2499 /* default settings should be these */ 2500 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2501 paddrp->spp_flags |= SPP_HB_DISABLE; 2502 } else { 2503 paddrp->spp_flags |= SPP_HB_ENABLE; 2504 } 2505 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2506 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2507 } else { 2508 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2509 } 2510 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2511 } 2512 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2513 SCTP_TCB_UNLOCK(stcb); 2514 } else { 2515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2517 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2518 /* Use endpoint defaults */ 2519 SCTP_INP_RLOCK(inp); 2520 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2521 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2522 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2523 /* get inp's default */ 2524 if (inp->sctp_ep.default_dscp & 0x01) { 2525 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2526 paddrp->spp_flags |= SPP_DSCP; 2527 } 2528#ifdef INET6 2529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2530 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2531 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2532 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2533 } 2534#endif 2535 /* can't return this */ 2536 paddrp->spp_pathmtu = 0; 2537 2538 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2539 paddrp->spp_flags |= SPP_HB_ENABLE; 2540 } else { 2541 paddrp->spp_flags |= SPP_HB_DISABLE; 2542 } 2543 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2544 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2545 } else { 2546 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2547 } 2548 SCTP_INP_RUNLOCK(inp); 2549 } else { 2550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2551 error = EINVAL; 2552 } 2553 } 2554 if (error == 0) { 2555 *optsize = sizeof(struct sctp_paddrparams); 2556 } 2557 break; 2558 } 2559 case SCTP_GET_PEER_ADDR_INFO: 2560 { 2561 struct sctp_paddrinfo *paddri; 2562 struct sctp_nets *net; 2563 struct sockaddr *addr; 2564 2565#if defined(INET) && defined(INET6) 2566 struct sockaddr_in sin_store; 2567 2568#endif 2569 2570 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2571 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2572 2573#if defined(INET) && defined(INET6) 2574 if (paddri->spinfo_address.ss_family == AF_INET6) { 2575 struct sockaddr_in6 *sin6; 2576 2577 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2578 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2579 in6_sin6_2_sin(&sin_store, sin6); 2580 addr = (struct sockaddr *)&sin_store; 2581 } else { 2582 addr = (struct sockaddr *)&paddri->spinfo_address; 2583 } 2584 } else { 2585 addr = (struct sockaddr *)&paddri->spinfo_address; 2586 } 2587#else 2588 addr = (struct sockaddr *)&paddri->spinfo_address; 2589#endif 2590 if (stcb != NULL) { 2591 net = sctp_findnet(stcb, addr); 2592 } else { 2593 /* 2594 * We increment here since 2595 * sctp_findassociation_ep_addr() wil do a 2596 * decrement if it finds the stcb as long as 2597 * the locked tcb (last argument) is NOT a 2598 * TCB.. aka NULL. 2599 */ 2600 net = NULL; 2601 SCTP_INP_INCR_REF(inp); 2602 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2603 if (stcb == NULL) { 2604 SCTP_INP_DECR_REF(inp); 2605 } 2606 } 2607 2608 if ((stcb != NULL) && (net != NULL)) { 2609 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2610 /* It's unconfirmed */ 2611 paddri->spinfo_state = SCTP_UNCONFIRMED; 2612 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2613 /* It's active */ 2614 paddri->spinfo_state = SCTP_ACTIVE; 2615 } else { 2616 /* It's inactive */ 2617 paddri->spinfo_state = SCTP_INACTIVE; 2618 } 2619 paddri->spinfo_cwnd = net->cwnd; 2620 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2621 paddri->spinfo_rto = net->RTO; 2622 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2623 paddri->spinfo_mtu = net->mtu; 2624 switch (addr->sa_family) { 2625#if defined(INET) 2626 case AF_INET: 2627 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2628 break; 2629#endif 2630#if defined(INET6) 2631 case AF_INET6: 2632 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2633 break; 2634#endif 2635 default: 2636 break; 2637 } 2638 SCTP_TCB_UNLOCK(stcb); 2639 *optsize = sizeof(struct sctp_paddrinfo); 2640 } else { 2641 if (stcb != NULL) { 2642 SCTP_TCB_UNLOCK(stcb); 2643 } 2644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2645 error = ENOENT; 2646 } 2647 break; 2648 } 2649 case SCTP_PCB_STATUS: 2650 { 2651 struct sctp_pcbinfo *spcb; 2652 2653 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2654 sctp_fill_pcbinfo(spcb); 2655 *optsize = sizeof(struct sctp_pcbinfo); 2656 break; 2657 } 2658 case SCTP_STATUS: 2659 { 2660 struct sctp_nets *net; 2661 struct sctp_status *sstat; 2662 2663 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2664 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2665 2666 if (stcb == NULL) { 2667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2668 error = EINVAL; 2669 break; 2670 } 2671 /* 2672 * I think passing the state is fine since 2673 * sctp_constants.h will be available to the user 2674 * land. 2675 */ 2676 sstat->sstat_state = stcb->asoc.state; 2677 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2678 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2679 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2680 /* 2681 * We can't include chunks that have been passed to 2682 * the socket layer. Only things in queue. 2683 */ 2684 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2685 stcb->asoc.cnt_on_all_streams); 2686 2687 2688 sstat->sstat_instrms = stcb->asoc.streamincnt; 2689 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2690 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2691 memcpy(&sstat->sstat_primary.spinfo_address, 2692 &stcb->asoc.primary_destination->ro._l_addr, 2693 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2694 net = stcb->asoc.primary_destination; 2695 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2696 /* 2697 * Again the user can get info from sctp_constants.h 2698 * for what the state of the network is. 2699 */ 2700 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2701 /* It's unconfirmed */ 2702 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2703 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2704 /* It's active */ 2705 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2706 } else { 2707 /* It's inactive */ 2708 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2709 } 2710 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2711 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2712 sstat->sstat_primary.spinfo_rto = net->RTO; 2713 sstat->sstat_primary.spinfo_mtu = net->mtu; 2714 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2715#if defined(INET) 2716 case AF_INET: 2717 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2718 break; 2719#endif 2720#if defined(INET6) 2721 case AF_INET6: 2722 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2723 break; 2724#endif 2725 default: 2726 break; 2727 } 2728 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2729 SCTP_TCB_UNLOCK(stcb); 2730 *optsize = sizeof(struct sctp_status); 2731 break; 2732 } 2733 case SCTP_RTOINFO: 2734 { 2735 struct sctp_rtoinfo *srto; 2736 2737 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2738 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2739 2740 if (stcb) { 2741 srto->srto_initial = stcb->asoc.initial_rto; 2742 srto->srto_max = stcb->asoc.maxrto; 2743 srto->srto_min = stcb->asoc.minrto; 2744 SCTP_TCB_UNLOCK(stcb); 2745 } else { 2746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2748 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2749 SCTP_INP_RLOCK(inp); 2750 srto->srto_initial = inp->sctp_ep.initial_rto; 2751 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2752 srto->srto_min = inp->sctp_ep.sctp_minrto; 2753 SCTP_INP_RUNLOCK(inp); 2754 } else { 2755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2756 error = EINVAL; 2757 } 2758 } 2759 if (error == 0) { 2760 *optsize = sizeof(struct sctp_rtoinfo); 2761 } 2762 break; 2763 } 2764 case SCTP_TIMEOUTS: 2765 { 2766 struct sctp_timeouts *stimo; 2767 2768 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2769 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2770 2771 if (stcb) { 2772 stimo->stimo_init = stcb->asoc.timoinit; 2773 stimo->stimo_data = stcb->asoc.timodata; 2774 stimo->stimo_sack = stcb->asoc.timosack; 2775 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2776 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2777 stimo->stimo_cookie = stcb->asoc.timocookie; 2778 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2779 SCTP_TCB_UNLOCK(stcb); 2780 *optsize = sizeof(struct sctp_timeouts); 2781 } else { 2782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2783 error = EINVAL; 2784 } 2785 break; 2786 } 2787 case SCTP_ASSOCINFO: 2788 { 2789 struct sctp_assocparams *sasoc; 2790 2791 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2792 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2793 2794 if (stcb) { 2795 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2796 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2797 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2798 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2799 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2800 SCTP_TCB_UNLOCK(stcb); 2801 } else { 2802 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2803 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2804 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2805 SCTP_INP_RLOCK(inp); 2806 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2807 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2808 sasoc->sasoc_number_peer_destinations = 0; 2809 sasoc->sasoc_peer_rwnd = 0; 2810 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2811 SCTP_INP_RUNLOCK(inp); 2812 } else { 2813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2814 error = EINVAL; 2815 } 2816 } 2817 if (error == 0) { 2818 *optsize = sizeof(struct sctp_assocparams); 2819 } 2820 break; 2821 } 2822 case SCTP_DEFAULT_SEND_PARAM: 2823 { 2824 struct sctp_sndrcvinfo *s_info; 2825 2826 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2827 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2828 2829 if (stcb) { 2830 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2831 SCTP_TCB_UNLOCK(stcb); 2832 } else { 2833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2834 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2835 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2836 SCTP_INP_RLOCK(inp); 2837 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2838 SCTP_INP_RUNLOCK(inp); 2839 } else { 2840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2841 error = EINVAL; 2842 } 2843 } 2844 if (error == 0) { 2845 *optsize = sizeof(struct sctp_sndrcvinfo); 2846 } 2847 break; 2848 } 2849 case SCTP_INITMSG: 2850 { 2851 struct sctp_initmsg *sinit; 2852 2853 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2854 SCTP_INP_RLOCK(inp); 2855 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2856 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2857 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2858 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2859 SCTP_INP_RUNLOCK(inp); 2860 *optsize = sizeof(struct sctp_initmsg); 2861 break; 2862 } 2863 case SCTP_PRIMARY_ADDR: 2864 /* we allow a "get" operation on this */ 2865 { 2866 struct sctp_setprim *ssp; 2867 2868 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2869 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2870 2871 if (stcb) { 2872 union sctp_sockstore *addr; 2873 2874 addr = &stcb->asoc.primary_destination->ro._l_addr; 2875 switch (addr->sa.sa_family) { 2876#ifdef INET 2877 case AF_INET: 2878#ifdef INET6 2879 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2880 in6_sin_2_v4mapsin6(&addr->sin, 2881 (struct sockaddr_in6 *)&ssp->ssp_addr); 2882 } else { 2883 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2884 } 2885#else 2886 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2887#endif 2888 break; 2889#endif 2890#ifdef INET6 2891 case AF_INET6: 2892 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2893 break; 2894#endif 2895 default: 2896 break; 2897 } 2898 SCTP_TCB_UNLOCK(stcb); 2899 *optsize = sizeof(struct sctp_setprim); 2900 } else { 2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2902 error = EINVAL; 2903 } 2904 break; 2905 } 2906 case SCTP_HMAC_IDENT: 2907 { 2908 struct sctp_hmacalgo *shmac; 2909 sctp_hmaclist_t *hmaclist; 2910 uint32_t size; 2911 int i; 2912 2913 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2914 2915 SCTP_INP_RLOCK(inp); 2916 hmaclist = inp->sctp_ep.local_hmacs; 2917 if (hmaclist == NULL) { 2918 /* no HMACs to return */ 2919 *optsize = sizeof(*shmac); 2920 SCTP_INP_RUNLOCK(inp); 2921 break; 2922 } 2923 /* is there room for all of the hmac ids? */ 2924 size = sizeof(*shmac) + (hmaclist->num_algo * 2925 sizeof(shmac->shmac_idents[0])); 2926 if ((size_t)(*optsize) < size) { 2927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2928 error = EINVAL; 2929 SCTP_INP_RUNLOCK(inp); 2930 break; 2931 } 2932 /* copy in the list */ 2933 shmac->shmac_number_of_idents = hmaclist->num_algo; 2934 for (i = 0; i < hmaclist->num_algo; i++) { 2935 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2936 } 2937 SCTP_INP_RUNLOCK(inp); 2938 *optsize = size; 2939 break; 2940 } 2941 case SCTP_AUTH_ACTIVE_KEY: 2942 { 2943 struct sctp_authkeyid *scact; 2944 2945 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2946 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2947 2948 if (stcb) { 2949 /* get the active key on the assoc */ 2950 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2951 SCTP_TCB_UNLOCK(stcb); 2952 } else { 2953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2955 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2956 /* get the endpoint active key */ 2957 SCTP_INP_RLOCK(inp); 2958 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2959 SCTP_INP_RUNLOCK(inp); 2960 } else { 2961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2962 error = EINVAL; 2963 } 2964 } 2965 if (error == 0) { 2966 *optsize = sizeof(struct sctp_authkeyid); 2967 } 2968 break; 2969 } 2970 case SCTP_LOCAL_AUTH_CHUNKS: 2971 { 2972 struct sctp_authchunks *sac; 2973 sctp_auth_chklist_t *chklist = NULL; 2974 size_t size = 0; 2975 2976 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2977 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2978 2979 if (stcb) { 2980 /* get off the assoc */ 2981 chklist = stcb->asoc.local_auth_chunks; 2982 /* is there enough space? */ 2983 size = sctp_auth_get_chklist_size(chklist); 2984 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2985 error = EINVAL; 2986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2987 } else { 2988 /* copy in the chunks */ 2989 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2990 sac->gauth_number_of_chunks = (uint32_t) size; 2991 *optsize = sizeof(struct sctp_authchunks) + size; 2992 } 2993 SCTP_TCB_UNLOCK(stcb); 2994 } else { 2995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2996 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2997 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2998 /* get off the endpoint */ 2999 SCTP_INP_RLOCK(inp); 3000 chklist = inp->sctp_ep.local_auth_chunks; 3001 /* is there enough space? */ 3002 size = sctp_auth_get_chklist_size(chklist); 3003 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3004 error = EINVAL; 3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3006 } else { 3007 /* copy in the chunks */ 3008 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3009 sac->gauth_number_of_chunks = (uint32_t) size; 3010 *optsize = sizeof(struct sctp_authchunks) + size; 3011 } 3012 SCTP_INP_RUNLOCK(inp); 3013 } else { 3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3015 error = EINVAL; 3016 } 3017 } 3018 break; 3019 } 3020 case SCTP_PEER_AUTH_CHUNKS: 3021 { 3022 struct sctp_authchunks *sac; 3023 sctp_auth_chklist_t *chklist = NULL; 3024 size_t size = 0; 3025 3026 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3027 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3028 3029 if (stcb) { 3030 /* get off the assoc */ 3031 chklist = stcb->asoc.peer_auth_chunks; 3032 /* is there enough space? */ 3033 size = sctp_auth_get_chklist_size(chklist); 3034 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3035 error = EINVAL; 3036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3037 } else { 3038 /* copy in the chunks */ 3039 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3040 sac->gauth_number_of_chunks = (uint32_t) size; 3041 *optsize = sizeof(struct sctp_authchunks) + size; 3042 } 3043 SCTP_TCB_UNLOCK(stcb); 3044 } else { 3045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3046 error = ENOENT; 3047 } 3048 break; 3049 } 3050 case SCTP_EVENT: 3051 { 3052 struct sctp_event *event; 3053 uint32_t event_type; 3054 3055 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3056 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3057 3058 switch (event->se_type) { 3059 case SCTP_ASSOC_CHANGE: 3060 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3061 break; 3062 case SCTP_PEER_ADDR_CHANGE: 3063 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3064 break; 3065 case SCTP_REMOTE_ERROR: 3066 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3067 break; 3068 case SCTP_SEND_FAILED: 3069 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3070 break; 3071 case SCTP_SHUTDOWN_EVENT: 3072 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3073 break; 3074 case SCTP_ADAPTATION_INDICATION: 3075 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3076 break; 3077 case SCTP_PARTIAL_DELIVERY_EVENT: 3078 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3079 break; 3080 case SCTP_AUTHENTICATION_EVENT: 3081 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3082 break; 3083 case SCTP_STREAM_RESET_EVENT: 3084 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3085 break; 3086 case SCTP_SENDER_DRY_EVENT: 3087 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3088 break; 3089 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3090 event_type = 0; 3091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3092 error = ENOTSUP; 3093 break; 3094 case SCTP_ASSOC_RESET_EVENT: 3095 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3096 break; 3097 case SCTP_STREAM_CHANGE_EVENT: 3098 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3099 break; 3100 case SCTP_SEND_FAILED_EVENT: 3101 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3102 break; 3103 default: 3104 event_type = 0; 3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3106 error = EINVAL; 3107 break; 3108 } 3109 if (event_type > 0) { 3110 if (stcb) { 3111 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3112 SCTP_TCB_UNLOCK(stcb); 3113 } else { 3114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3115 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3116 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3117 SCTP_INP_RLOCK(inp); 3118 event->se_on = sctp_is_feature_on(inp, event_type); 3119 SCTP_INP_RUNLOCK(inp); 3120 } else { 3121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3122 error = EINVAL; 3123 } 3124 } 3125 } 3126 if (error == 0) { 3127 *optsize = sizeof(struct sctp_event); 3128 } 3129 break; 3130 } 3131 case SCTP_RECVRCVINFO: 3132 { 3133 int onoff; 3134 3135 if (*optsize < sizeof(int)) { 3136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3137 error = EINVAL; 3138 } else { 3139 SCTP_INP_RLOCK(inp); 3140 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3141 SCTP_INP_RUNLOCK(inp); 3142 } 3143 if (error == 0) { 3144 /* return the option value */ 3145 *(int *)optval = onoff; 3146 *optsize = sizeof(int); 3147 } 3148 break; 3149 } 3150 case SCTP_RECVNXTINFO: 3151 { 3152 int onoff; 3153 3154 if (*optsize < sizeof(int)) { 3155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3156 error = EINVAL; 3157 } else { 3158 SCTP_INP_RLOCK(inp); 3159 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3160 SCTP_INP_RUNLOCK(inp); 3161 } 3162 if (error == 0) { 3163 /* return the option value */ 3164 *(int *)optval = onoff; 3165 *optsize = sizeof(int); 3166 } 3167 break; 3168 } 3169 case SCTP_DEFAULT_SNDINFO: 3170 { 3171 struct sctp_sndinfo *info; 3172 3173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3174 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3175 3176 if (stcb) { 3177 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3178 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3179 info->snd_flags &= 0xfff0; 3180 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3181 info->snd_context = stcb->asoc.def_send.sinfo_context; 3182 SCTP_TCB_UNLOCK(stcb); 3183 } else { 3184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3186 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3187 SCTP_INP_RLOCK(inp); 3188 info->snd_sid = inp->def_send.sinfo_stream; 3189 info->snd_flags = inp->def_send.sinfo_flags; 3190 info->snd_flags &= 0xfff0; 3191 info->snd_ppid = inp->def_send.sinfo_ppid; 3192 info->snd_context = inp->def_send.sinfo_context; 3193 SCTP_INP_RUNLOCK(inp); 3194 } else { 3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3196 error = EINVAL; 3197 } 3198 } 3199 if (error == 0) { 3200 *optsize = sizeof(struct sctp_sndinfo); 3201 } 3202 break; 3203 } 3204 case SCTP_DEFAULT_PRINFO: 3205 { 3206 struct sctp_default_prinfo *info; 3207 3208 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3210 3211 if (stcb) { 3212 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3213 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3214 SCTP_TCB_UNLOCK(stcb); 3215 } else { 3216 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3217 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3218 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3219 SCTP_INP_RLOCK(inp); 3220 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3221 info->pr_value = inp->def_send.sinfo_timetolive; 3222 SCTP_INP_RUNLOCK(inp); 3223 } else { 3224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3225 error = EINVAL; 3226 } 3227 } 3228 if (error == 0) { 3229 *optsize = sizeof(struct sctp_default_prinfo); 3230 } 3231 break; 3232 } 3233 case SCTP_PEER_ADDR_THLDS: 3234 { 3235 struct sctp_paddrthlds *thlds; 3236 struct sctp_nets *net; 3237 struct sockaddr *addr; 3238 3239#if defined(INET) && defined(INET6) 3240 struct sockaddr_in sin_store; 3241 3242#endif 3243 3244 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3245 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3246 3247#if defined(INET) && defined(INET6) 3248 if (thlds->spt_address.ss_family == AF_INET6) { 3249 struct sockaddr_in6 *sin6; 3250 3251 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3252 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3253 in6_sin6_2_sin(&sin_store, sin6); 3254 addr = (struct sockaddr *)&sin_store; 3255 } else { 3256 addr = (struct sockaddr *)&thlds->spt_address; 3257 } 3258 } else { 3259 addr = (struct sockaddr *)&thlds->spt_address; 3260 } 3261#else 3262 addr = (struct sockaddr *)&thlds->spt_address; 3263#endif 3264 if (stcb != NULL) { 3265 net = sctp_findnet(stcb, addr); 3266 } else { 3267 /* 3268 * We increment here since 3269 * sctp_findassociation_ep_addr() wil do a 3270 * decrement if it finds the stcb as long as 3271 * the locked tcb (last argument) is NOT a 3272 * TCB.. aka NULL. 3273 */ 3274 net = NULL; 3275 SCTP_INP_INCR_REF(inp); 3276 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3277 if (stcb == NULL) { 3278 SCTP_INP_DECR_REF(inp); 3279 } 3280 } 3281 if ((stcb != NULL) && (net == NULL)) { 3282#ifdef INET 3283 if (addr->sa_family == AF_INET) { 3284 struct sockaddr_in *sin; 3285 3286 sin = (struct sockaddr_in *)addr; 3287 if (sin->sin_addr.s_addr != INADDR_ANY) { 3288 error = EINVAL; 3289 SCTP_TCB_UNLOCK(stcb); 3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3291 break; 3292 } 3293 } else 3294#endif 3295#ifdef INET6 3296 if (addr->sa_family == AF_INET6) { 3297 struct sockaddr_in6 *sin6; 3298 3299 sin6 = (struct sockaddr_in6 *)addr; 3300 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3301 error = EINVAL; 3302 SCTP_TCB_UNLOCK(stcb); 3303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3304 break; 3305 } 3306 } else 3307#endif 3308 { 3309 error = EAFNOSUPPORT; 3310 SCTP_TCB_UNLOCK(stcb); 3311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3312 break; 3313 } 3314 } 3315 if (stcb != NULL) { 3316 if (net != NULL) { 3317 thlds->spt_pathmaxrxt = net->failure_threshold; 3318 thlds->spt_pathpfthld = net->pf_threshold; 3319 } else { 3320 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3321 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3322 } 3323 thlds->spt_assoc_id = sctp_get_associd(stcb); 3324 SCTP_TCB_UNLOCK(stcb); 3325 } else { 3326 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3327 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3328 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3329 /* Use endpoint defaults */ 3330 SCTP_INP_RLOCK(inp); 3331 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3332 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3333 SCTP_INP_RUNLOCK(inp); 3334 } else { 3335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3336 error = EINVAL; 3337 } 3338 } 3339 if (error == 0) { 3340 *optsize = sizeof(struct sctp_paddrthlds); 3341 } 3342 break; 3343 } 3344 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3345 { 3346 struct sctp_udpencaps *encaps; 3347 struct sctp_nets *net; 3348 struct sockaddr *addr; 3349 3350#if defined(INET) && defined(INET6) 3351 struct sockaddr_in sin_store; 3352 3353#endif 3354 3355 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3356 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3357 3358#if defined(INET) && defined(INET6) 3359 if (encaps->sue_address.ss_family == AF_INET6) { 3360 struct sockaddr_in6 *sin6; 3361 3362 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3363 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3364 in6_sin6_2_sin(&sin_store, sin6); 3365 addr = (struct sockaddr *)&sin_store; 3366 } else { 3367 addr = (struct sockaddr *)&encaps->sue_address; 3368 } 3369 } else { 3370 addr = (struct sockaddr *)&encaps->sue_address; 3371 } 3372#else 3373 addr = (struct sockaddr *)&encaps->sue_address; 3374#endif 3375 if (stcb) { 3376 net = sctp_findnet(stcb, addr); 3377 } else { 3378 /* 3379 * We increment here since 3380 * sctp_findassociation_ep_addr() wil do a 3381 * decrement if it finds the stcb as long as 3382 * the locked tcb (last argument) is NOT a 3383 * TCB.. aka NULL. 3384 */ 3385 net = NULL; 3386 SCTP_INP_INCR_REF(inp); 3387 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3388 if (stcb == NULL) { 3389 SCTP_INP_DECR_REF(inp); 3390 } 3391 } 3392 if ((stcb != NULL) && (net == NULL)) { 3393#ifdef INET 3394 if (addr->sa_family == AF_INET) { 3395 struct sockaddr_in *sin; 3396 3397 sin = (struct sockaddr_in *)addr; 3398 if (sin->sin_addr.s_addr != INADDR_ANY) { 3399 error = EINVAL; 3400 SCTP_TCB_UNLOCK(stcb); 3401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3402 break; 3403 } 3404 } else 3405#endif 3406#ifdef INET6 3407 if (addr->sa_family == AF_INET6) { 3408 struct sockaddr_in6 *sin6; 3409 3410 sin6 = (struct sockaddr_in6 *)addr; 3411 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3412 error = EINVAL; 3413 SCTP_TCB_UNLOCK(stcb); 3414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3415 break; 3416 } 3417 } else 3418#endif 3419 { 3420 error = EAFNOSUPPORT; 3421 SCTP_TCB_UNLOCK(stcb); 3422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3423 break; 3424 } 3425 } 3426 if (stcb != NULL) { 3427 if (net) { 3428 encaps->sue_port = net->port; 3429 } else { 3430 encaps->sue_port = stcb->asoc.port; 3431 } 3432 SCTP_TCB_UNLOCK(stcb); 3433 } else { 3434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3436 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3437 SCTP_INP_RLOCK(inp); 3438 encaps->sue_port = inp->sctp_ep.port; 3439 SCTP_INP_RUNLOCK(inp); 3440 } else { 3441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3442 error = EINVAL; 3443 } 3444 } 3445 if (error == 0) { 3446 *optsize = sizeof(struct sctp_udpencaps); 3447 } 3448 break; 3449 } 3450 case SCTP_ECN_SUPPORTED: 3451 { 3452 struct sctp_assoc_value *av; 3453 3454 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3455 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3456 3457 if (stcb) { 3458 av->assoc_value = stcb->asoc.ecn_supported; 3459 SCTP_TCB_UNLOCK(stcb); 3460 } else { 3461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3462 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3463 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3464 SCTP_INP_RLOCK(inp); 3465 av->assoc_value = inp->ecn_supported; 3466 SCTP_INP_RUNLOCK(inp); 3467 } else { 3468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3469 error = EINVAL; 3470 } 3471 } 3472 if (error == 0) { 3473 *optsize = sizeof(struct sctp_assoc_value); 3474 } 3475 break; 3476 } 3477 case SCTP_PR_SUPPORTED: 3478 { 3479 struct sctp_assoc_value *av; 3480 3481 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3482 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3483 3484 if (stcb) { 3485 av->assoc_value = stcb->asoc.prsctp_supported; 3486 SCTP_TCB_UNLOCK(stcb); 3487 } else { 3488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3490 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3491 SCTP_INP_RLOCK(inp); 3492 av->assoc_value = inp->prsctp_supported; 3493 SCTP_INP_RUNLOCK(inp); 3494 } else { 3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3496 error = EINVAL; 3497 } 3498 } 3499 if (error == 0) { 3500 *optsize = sizeof(struct sctp_assoc_value); 3501 } 3502 break; 3503 } 3504 case SCTP_AUTH_SUPPORTED: 3505 { 3506 struct sctp_assoc_value *av; 3507 3508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3510 3511 if (stcb) { 3512 av->assoc_value = stcb->asoc.auth_supported; 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 SCTP_INP_RLOCK(inp); 3519 av->assoc_value = inp->auth_supported; 3520 SCTP_INP_RUNLOCK(inp); 3521 } else { 3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3523 error = EINVAL; 3524 } 3525 } 3526 if (error == 0) { 3527 *optsize = sizeof(struct sctp_assoc_value); 3528 } 3529 break; 3530 } 3531 case SCTP_ASCONF_SUPPORTED: 3532 { 3533 struct sctp_assoc_value *av; 3534 3535 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3536 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3537 3538 if (stcb) { 3539 av->assoc_value = stcb->asoc.asconf_supported; 3540 SCTP_TCB_UNLOCK(stcb); 3541 } else { 3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3544 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3545 SCTP_INP_RLOCK(inp); 3546 av->assoc_value = inp->asconf_supported; 3547 SCTP_INP_RUNLOCK(inp); 3548 } else { 3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3550 error = EINVAL; 3551 } 3552 } 3553 if (error == 0) { 3554 *optsize = sizeof(struct sctp_assoc_value); 3555 } 3556 break; 3557 } 3558 case SCTP_RECONFIG_SUPPORTED: 3559 { 3560 struct sctp_assoc_value *av; 3561 3562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3564 3565 if (stcb) { 3566 av->assoc_value = stcb->asoc.reconfig_supported; 3567 SCTP_TCB_UNLOCK(stcb); 3568 } else { 3569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3571 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3572 SCTP_INP_RLOCK(inp); 3573 av->assoc_value = inp->reconfig_supported; 3574 SCTP_INP_RUNLOCK(inp); 3575 } else { 3576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3577 error = EINVAL; 3578 } 3579 } 3580 if (error == 0) { 3581 *optsize = sizeof(struct sctp_assoc_value); 3582 } 3583 break; 3584 } 3585 case SCTP_NRSACK_SUPPORTED: 3586 { 3587 struct sctp_assoc_value *av; 3588 3589 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3590 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3591 3592 if (stcb) { 3593 av->assoc_value = stcb->asoc.nrsack_supported; 3594 SCTP_TCB_UNLOCK(stcb); 3595 } else { 3596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3598 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3599 SCTP_INP_RLOCK(inp); 3600 av->assoc_value = inp->nrsack_supported; 3601 SCTP_INP_RUNLOCK(inp); 3602 } else { 3603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3604 error = EINVAL; 3605 } 3606 } 3607 if (error == 0) { 3608 *optsize = sizeof(struct sctp_assoc_value); 3609 } 3610 break; 3611 } 3612 case SCTP_PKTDROP_SUPPORTED: 3613 { 3614 struct sctp_assoc_value *av; 3615 3616 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3617 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3618 3619 if (stcb) { 3620 av->assoc_value = stcb->asoc.pktdrop_supported; 3621 SCTP_TCB_UNLOCK(stcb); 3622 } else { 3623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3625 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3626 SCTP_INP_RLOCK(inp); 3627 av->assoc_value = inp->pktdrop_supported; 3628 SCTP_INP_RUNLOCK(inp); 3629 } else { 3630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3631 error = EINVAL; 3632 } 3633 } 3634 if (error == 0) { 3635 *optsize = sizeof(struct sctp_assoc_value); 3636 } 3637 break; 3638 } 3639 case SCTP_ENABLE_STREAM_RESET: 3640 { 3641 struct sctp_assoc_value *av; 3642 3643 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3644 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3645 3646 if (stcb) { 3647 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3648 SCTP_TCB_UNLOCK(stcb); 3649 } else { 3650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3652 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3653 SCTP_INP_RLOCK(inp); 3654 av->assoc_value = (uint32_t) inp->local_strreset_support; 3655 SCTP_INP_RUNLOCK(inp); 3656 } else { 3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3658 error = EINVAL; 3659 } 3660 } 3661 if (error == 0) { 3662 *optsize = sizeof(struct sctp_assoc_value); 3663 } 3664 break; 3665 } 3666 case SCTP_PR_STREAM_STATUS: 3667 { 3668 struct sctp_prstatus *sprstat; 3669 uint16_t sid; 3670 uint16_t policy; 3671 3672 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3673 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3674 3675 sid = sprstat->sprstat_sid; 3676 policy = sprstat->sprstat_policy; 3677#if defined(SCTP_DETAILED_STR_STATS) 3678 if ((stcb != NULL) && 3679 (sid < stcb->asoc.streamoutcnt) && 3680 (policy != SCTP_PR_SCTP_NONE) && 3681 ((policy <= SCTP_PR_SCTP_MAX) || 3682 (policy == SCTP_PR_SCTP_ALL))) { 3683 if (policy == SCTP_PR_SCTP_ALL) { 3684 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3685 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3686 } else { 3687 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3688 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3689 } 3690#else 3691 if ((stcb != NULL) && 3692 (sid < stcb->asoc.streamoutcnt) && 3693 (policy == SCTP_PR_SCTP_ALL)) { 3694 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3695 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3696#endif 3697 SCTP_TCB_UNLOCK(stcb); 3698 *optsize = sizeof(struct sctp_prstatus); 3699 } else { 3700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3701 error = EINVAL; 3702 } 3703 break; 3704 } 3705 case SCTP_PR_ASSOC_STATUS: 3706 { 3707 struct sctp_prstatus *sprstat; 3708 uint16_t policy; 3709 3710 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3711 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3712 3713 policy = sprstat->sprstat_policy; 3714 if ((stcb != NULL) && 3715 (policy != SCTP_PR_SCTP_NONE) && 3716 ((policy <= SCTP_PR_SCTP_MAX) || 3717 (policy == SCTP_PR_SCTP_ALL))) { 3718 if (policy == SCTP_PR_SCTP_ALL) { 3719 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3720 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3721 } else { 3722 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3723 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3724 } 3725 SCTP_TCB_UNLOCK(stcb); 3726 *optsize = sizeof(struct sctp_prstatus); 3727 } else { 3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3729 error = EINVAL; 3730 } 3731 break; 3732 } 3733 case SCTP_MAX_CWND: 3734 { 3735 struct sctp_assoc_value *av; 3736 3737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3739 3740 if (stcb) { 3741 av->assoc_value = stcb->asoc.max_cwnd; 3742 SCTP_TCB_UNLOCK(stcb); 3743 } else { 3744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3746 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3747 SCTP_INP_RLOCK(inp); 3748 av->assoc_value = inp->max_cwnd; 3749 SCTP_INP_RUNLOCK(inp); 3750 } else { 3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3752 error = EINVAL; 3753 } 3754 } 3755 if (error == 0) { 3756 *optsize = sizeof(struct sctp_assoc_value); 3757 } 3758 break; 3759 } 3760 default: 3761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3762 error = ENOPROTOOPT; 3763 break; 3764 } /* end switch (sopt->sopt_name) */ 3765 if (error) { 3766 *optsize = 0; 3767 } 3768 return (error); 3769} 3770 3771static int 3772sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3773 void *p) 3774{ 3775 int error, set_opt; 3776 uint32_t *mopt; 3777 struct sctp_tcb *stcb = NULL; 3778 struct sctp_inpcb *inp = NULL; 3779 uint32_t vrf_id; 3780 3781 if (optval == NULL) { 3782 SCTP_PRINTF("optval is NULL\n"); 3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3784 return (EINVAL); 3785 } 3786 inp = (struct sctp_inpcb *)so->so_pcb; 3787 if (inp == NULL) { 3788 SCTP_PRINTF("inp is NULL?\n"); 3789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3790 return (EINVAL); 3791 } 3792 vrf_id = inp->def_vrf_id; 3793 3794 error = 0; 3795 switch (optname) { 3796 case SCTP_NODELAY: 3797 case SCTP_AUTOCLOSE: 3798 case SCTP_AUTO_ASCONF: 3799 case SCTP_EXPLICIT_EOR: 3800 case SCTP_DISABLE_FRAGMENTS: 3801 case SCTP_USE_EXT_RCVINFO: 3802 case SCTP_I_WANT_MAPPED_V4_ADDR: 3803 /* copy in the option value */ 3804 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3805 set_opt = 0; 3806 if (error) 3807 break; 3808 switch (optname) { 3809 case SCTP_DISABLE_FRAGMENTS: 3810 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3811 break; 3812 case SCTP_AUTO_ASCONF: 3813 /* 3814 * NOTE: we don't really support this flag 3815 */ 3816 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3817 /* only valid for bound all sockets */ 3818 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3819 (*mopt != 0)) { 3820 /* forbidden by admin */ 3821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3822 return (EPERM); 3823 } 3824 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3825 } else { 3826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3827 return (EINVAL); 3828 } 3829 break; 3830 case SCTP_EXPLICIT_EOR: 3831 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3832 break; 3833 case SCTP_USE_EXT_RCVINFO: 3834 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3835 break; 3836 case SCTP_I_WANT_MAPPED_V4_ADDR: 3837 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3838 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3839 } else { 3840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3841 return (EINVAL); 3842 } 3843 break; 3844 case SCTP_NODELAY: 3845 set_opt = SCTP_PCB_FLAGS_NODELAY; 3846 break; 3847 case SCTP_AUTOCLOSE: 3848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3849 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3851 return (EINVAL); 3852 } 3853 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3854 /* 3855 * The value is in ticks. Note this does not effect 3856 * old associations, only new ones. 3857 */ 3858 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3859 break; 3860 } 3861 SCTP_INP_WLOCK(inp); 3862 if (*mopt != 0) { 3863 sctp_feature_on(inp, set_opt); 3864 } else { 3865 sctp_feature_off(inp, set_opt); 3866 } 3867 SCTP_INP_WUNLOCK(inp); 3868 break; 3869 case SCTP_REUSE_PORT: 3870 { 3871 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3872 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3873 /* Can't set it after we are bound */ 3874 error = EINVAL; 3875 break; 3876 } 3877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3878 /* Can't do this for a 1-m socket */ 3879 error = EINVAL; 3880 break; 3881 } 3882 if (optval) 3883 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3884 else 3885 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3886 break; 3887 } 3888 case SCTP_PARTIAL_DELIVERY_POINT: 3889 { 3890 uint32_t *value; 3891 3892 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3893 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3895 error = EINVAL; 3896 break; 3897 } 3898 inp->partial_delivery_point = *value; 3899 break; 3900 } 3901 case SCTP_FRAGMENT_INTERLEAVE: 3902 /* not yet until we re-write sctp_recvmsg() */ 3903 { 3904 uint32_t *level; 3905 3906 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3907 if (*level == SCTP_FRAG_LEVEL_2) { 3908 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3909 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3910 } else if (*level == SCTP_FRAG_LEVEL_1) { 3911 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3912 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3913 } else if (*level == SCTP_FRAG_LEVEL_0) { 3914 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3915 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3916 3917 } else { 3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3919 error = EINVAL; 3920 } 3921 break; 3922 } 3923 case SCTP_CMT_ON_OFF: 3924 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3925 struct sctp_assoc_value *av; 3926 3927 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3928 if (av->assoc_value > SCTP_CMT_MAX) { 3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3930 error = EINVAL; 3931 break; 3932 } 3933 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3934 if (stcb) { 3935 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3936 SCTP_TCB_UNLOCK(stcb); 3937 } else { 3938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3940 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3941 (av->assoc_id == SCTP_ALL_ASSOC)) { 3942 SCTP_INP_WLOCK(inp); 3943 inp->sctp_cmt_on_off = av->assoc_value; 3944 SCTP_INP_WUNLOCK(inp); 3945 } 3946 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3947 (av->assoc_id == SCTP_ALL_ASSOC)) { 3948 SCTP_INP_RLOCK(inp); 3949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3950 SCTP_TCB_LOCK(stcb); 3951 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3952 SCTP_TCB_UNLOCK(stcb); 3953 } 3954 SCTP_INP_RUNLOCK(inp); 3955 } 3956 } 3957 } else { 3958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3959 error = ENOPROTOOPT; 3960 } 3961 break; 3962 case SCTP_PLUGGABLE_CC: 3963 { 3964 struct sctp_assoc_value *av; 3965 struct sctp_nets *net; 3966 3967 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3968 if ((av->assoc_value != SCTP_CC_RFC2581) && 3969 (av->assoc_value != SCTP_CC_HSTCP) && 3970 (av->assoc_value != SCTP_CC_HTCP) && 3971 (av->assoc_value != SCTP_CC_RTCC)) { 3972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3973 error = EINVAL; 3974 break; 3975 } 3976 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3977 if (stcb) { 3978 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3979 stcb->asoc.congestion_control_module = av->assoc_value; 3980 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3981 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3982 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3983 } 3984 } 3985 SCTP_TCB_UNLOCK(stcb); 3986 } else { 3987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3989 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3990 (av->assoc_id == SCTP_ALL_ASSOC)) { 3991 SCTP_INP_WLOCK(inp); 3992 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3993 SCTP_INP_WUNLOCK(inp); 3994 } 3995 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3996 (av->assoc_id == SCTP_ALL_ASSOC)) { 3997 SCTP_INP_RLOCK(inp); 3998 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3999 SCTP_TCB_LOCK(stcb); 4000 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4001 stcb->asoc.congestion_control_module = av->assoc_value; 4002 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4003 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4004 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4005 } 4006 } 4007 SCTP_TCB_UNLOCK(stcb); 4008 } 4009 SCTP_INP_RUNLOCK(inp); 4010 } 4011 } 4012 break; 4013 } 4014 case SCTP_CC_OPTION: 4015 { 4016 struct sctp_cc_option *cc_opt; 4017 4018 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4019 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4020 if (stcb == NULL) { 4021 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4022 SCTP_INP_RLOCK(inp); 4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4024 SCTP_TCB_LOCK(stcb); 4025 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4026 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4027 } 4028 SCTP_TCB_UNLOCK(stcb); 4029 } 4030 SCTP_INP_RUNLOCK(inp); 4031 } else { 4032 error = EINVAL; 4033 } 4034 } else { 4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4036 error = ENOTSUP; 4037 } else { 4038 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4039 cc_opt); 4040 } 4041 SCTP_TCB_UNLOCK(stcb); 4042 } 4043 break; 4044 } 4045 case SCTP_PLUGGABLE_SS: 4046 { 4047 struct sctp_assoc_value *av; 4048 4049 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4050 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4051 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4052 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4053 (av->assoc_value != SCTP_SS_PRIORITY) && 4054 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4055 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4057 error = EINVAL; 4058 break; 4059 } 4060 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4061 if (stcb) { 4062 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4063 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4064 stcb->asoc.stream_scheduling_module = av->assoc_value; 4065 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4066 SCTP_TCB_UNLOCK(stcb); 4067 } else { 4068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4070 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4071 (av->assoc_id == SCTP_ALL_ASSOC)) { 4072 SCTP_INP_WLOCK(inp); 4073 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4074 SCTP_INP_WUNLOCK(inp); 4075 } 4076 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4077 (av->assoc_id == SCTP_ALL_ASSOC)) { 4078 SCTP_INP_RLOCK(inp); 4079 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4080 SCTP_TCB_LOCK(stcb); 4081 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4082 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4083 stcb->asoc.stream_scheduling_module = av->assoc_value; 4084 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4085 SCTP_TCB_UNLOCK(stcb); 4086 } 4087 SCTP_INP_RUNLOCK(inp); 4088 } 4089 } 4090 break; 4091 } 4092 case SCTP_SS_VALUE: 4093 { 4094 struct sctp_stream_value *av; 4095 4096 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4097 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4098 if (stcb) { 4099 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4100 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4101 av->stream_value) < 0)) { 4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4103 error = EINVAL; 4104 } 4105 SCTP_TCB_UNLOCK(stcb); 4106 } else { 4107 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4108 SCTP_INP_RLOCK(inp); 4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4110 SCTP_TCB_LOCK(stcb); 4111 if (av->stream_id < stcb->asoc.streamoutcnt) { 4112 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4113 &stcb->asoc, 4114 &stcb->asoc.strmout[av->stream_id], 4115 av->stream_value); 4116 } 4117 SCTP_TCB_UNLOCK(stcb); 4118 } 4119 SCTP_INP_RUNLOCK(inp); 4120 } else { 4121 /* 4122 * Can't set stream value without 4123 * association 4124 */ 4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4126 error = EINVAL; 4127 } 4128 } 4129 break; 4130 } 4131 case SCTP_CLR_STAT_LOG: 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4133 error = EOPNOTSUPP; 4134 break; 4135 case SCTP_CONTEXT: 4136 { 4137 struct sctp_assoc_value *av; 4138 4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4140 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4141 4142 if (stcb) { 4143 stcb->asoc.context = av->assoc_value; 4144 SCTP_TCB_UNLOCK(stcb); 4145 } else { 4146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4148 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4149 (av->assoc_id == SCTP_ALL_ASSOC)) { 4150 SCTP_INP_WLOCK(inp); 4151 inp->sctp_context = av->assoc_value; 4152 SCTP_INP_WUNLOCK(inp); 4153 } 4154 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4155 (av->assoc_id == SCTP_ALL_ASSOC)) { 4156 SCTP_INP_RLOCK(inp); 4157 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4158 SCTP_TCB_LOCK(stcb); 4159 stcb->asoc.context = av->assoc_value; 4160 SCTP_TCB_UNLOCK(stcb); 4161 } 4162 SCTP_INP_RUNLOCK(inp); 4163 } 4164 } 4165 break; 4166 } 4167 case SCTP_VRF_ID: 4168 { 4169 uint32_t *default_vrfid; 4170 4171 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4172 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4174 error = EINVAL; 4175 break; 4176 } 4177 inp->def_vrf_id = *default_vrfid; 4178 break; 4179 } 4180 case SCTP_DEL_VRF_ID: 4181 { 4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4183 error = EOPNOTSUPP; 4184 break; 4185 } 4186 case SCTP_ADD_VRF_ID: 4187 { 4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4189 error = EOPNOTSUPP; 4190 break; 4191 } 4192 case SCTP_DELAYED_SACK: 4193 { 4194 struct sctp_sack_info *sack; 4195 4196 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4197 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4198 if (sack->sack_delay) { 4199 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4200 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4201 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4202 sack->sack_delay = TICKS_TO_MSEC(1); 4203 } 4204 } 4205 if (stcb) { 4206 if (sack->sack_delay) { 4207 stcb->asoc.delayed_ack = sack->sack_delay; 4208 } 4209 if (sack->sack_freq) { 4210 stcb->asoc.sack_freq = sack->sack_freq; 4211 } 4212 SCTP_TCB_UNLOCK(stcb); 4213 } else { 4214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4215 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4216 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4217 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4218 SCTP_INP_WLOCK(inp); 4219 if (sack->sack_delay) { 4220 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4221 } 4222 if (sack->sack_freq) { 4223 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4224 } 4225 SCTP_INP_WUNLOCK(inp); 4226 } 4227 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4229 SCTP_INP_RLOCK(inp); 4230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4231 SCTP_TCB_LOCK(stcb); 4232 if (sack->sack_delay) { 4233 stcb->asoc.delayed_ack = sack->sack_delay; 4234 } 4235 if (sack->sack_freq) { 4236 stcb->asoc.sack_freq = sack->sack_freq; 4237 } 4238 SCTP_TCB_UNLOCK(stcb); 4239 } 4240 SCTP_INP_RUNLOCK(inp); 4241 } 4242 } 4243 break; 4244 } 4245 case SCTP_AUTH_CHUNK: 4246 { 4247 struct sctp_authchunk *sauth; 4248 4249 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4250 4251 SCTP_INP_WLOCK(inp); 4252 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4254 error = EINVAL; 4255 } 4256 SCTP_INP_WUNLOCK(inp); 4257 break; 4258 } 4259 case SCTP_AUTH_KEY: 4260 { 4261 struct sctp_authkey *sca; 4262 struct sctp_keyhead *shared_keys; 4263 sctp_sharedkey_t *shared_key; 4264 sctp_key_t *key = NULL; 4265 size_t size; 4266 4267 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4268 if (sca->sca_keylength == 0) { 4269 size = optsize - sizeof(struct sctp_authkey); 4270 } else { 4271 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4272 size = sca->sca_keylength; 4273 } else { 4274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4275 error = EINVAL; 4276 break; 4277 } 4278 } 4279 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4280 4281 if (stcb) { 4282 shared_keys = &stcb->asoc.shared_keys; 4283 /* clear the cached keys for this key id */ 4284 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4285 /* 4286 * create the new shared key and 4287 * insert/replace it 4288 */ 4289 if (size > 0) { 4290 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4291 if (key == NULL) { 4292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4293 error = ENOMEM; 4294 SCTP_TCB_UNLOCK(stcb); 4295 break; 4296 } 4297 } 4298 shared_key = sctp_alloc_sharedkey(); 4299 if (shared_key == NULL) { 4300 sctp_free_key(key); 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4302 error = ENOMEM; 4303 SCTP_TCB_UNLOCK(stcb); 4304 break; 4305 } 4306 shared_key->key = key; 4307 shared_key->keyid = sca->sca_keynumber; 4308 error = sctp_insert_sharedkey(shared_keys, shared_key); 4309 SCTP_TCB_UNLOCK(stcb); 4310 } else { 4311 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4312 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4313 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4314 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4315 SCTP_INP_WLOCK(inp); 4316 shared_keys = &inp->sctp_ep.shared_keys; 4317 /* 4318 * clear the cached keys on all 4319 * assocs for this key id 4320 */ 4321 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4322 /* 4323 * create the new shared key and 4324 * insert/replace it 4325 */ 4326 if (size > 0) { 4327 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4328 if (key == NULL) { 4329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4330 error = ENOMEM; 4331 SCTP_INP_WUNLOCK(inp); 4332 break; 4333 } 4334 } 4335 shared_key = sctp_alloc_sharedkey(); 4336 if (shared_key == NULL) { 4337 sctp_free_key(key); 4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4339 error = ENOMEM; 4340 SCTP_INP_WUNLOCK(inp); 4341 break; 4342 } 4343 shared_key->key = key; 4344 shared_key->keyid = sca->sca_keynumber; 4345 error = sctp_insert_sharedkey(shared_keys, shared_key); 4346 SCTP_INP_WUNLOCK(inp); 4347 } 4348 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4349 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4350 SCTP_INP_RLOCK(inp); 4351 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4352 SCTP_TCB_LOCK(stcb); 4353 shared_keys = &stcb->asoc.shared_keys; 4354 /* 4355 * clear the cached keys for 4356 * this key id 4357 */ 4358 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4359 /* 4360 * create the new shared key 4361 * and insert/replace it 4362 */ 4363 if (size > 0) { 4364 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4365 if (key == NULL) { 4366 SCTP_TCB_UNLOCK(stcb); 4367 continue; 4368 } 4369 } 4370 shared_key = sctp_alloc_sharedkey(); 4371 if (shared_key == NULL) { 4372 sctp_free_key(key); 4373 SCTP_TCB_UNLOCK(stcb); 4374 continue; 4375 } 4376 shared_key->key = key; 4377 shared_key->keyid = sca->sca_keynumber; 4378 error = sctp_insert_sharedkey(shared_keys, shared_key); 4379 SCTP_TCB_UNLOCK(stcb); 4380 } 4381 SCTP_INP_RUNLOCK(inp); 4382 } 4383 } 4384 break; 4385 } 4386 case SCTP_HMAC_IDENT: 4387 { 4388 struct sctp_hmacalgo *shmac; 4389 sctp_hmaclist_t *hmaclist; 4390 uint16_t hmacid; 4391 uint32_t i; 4392 4393 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4394 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4395 (shmac->shmac_number_of_idents > 0xffff)) { 4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4397 error = EINVAL; 4398 break; 4399 } 4400 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4401 if (hmaclist == NULL) { 4402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4403 error = ENOMEM; 4404 break; 4405 } 4406 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4407 hmacid = shmac->shmac_idents[i]; 4408 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4409 /* invalid HMACs were found */ ; 4410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4411 error = EINVAL; 4412 sctp_free_hmaclist(hmaclist); 4413 goto sctp_set_hmac_done; 4414 } 4415 } 4416 for (i = 0; i < hmaclist->num_algo; i++) { 4417 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4418 /* already in list */ 4419 break; 4420 } 4421 } 4422 if (i == hmaclist->num_algo) { 4423 /* not found in list */ 4424 sctp_free_hmaclist(hmaclist); 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4426 error = EINVAL; 4427 break; 4428 } 4429 /* set it on the endpoint */ 4430 SCTP_INP_WLOCK(inp); 4431 if (inp->sctp_ep.local_hmacs) 4432 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4433 inp->sctp_ep.local_hmacs = hmaclist; 4434 SCTP_INP_WUNLOCK(inp); 4435 sctp_set_hmac_done: 4436 break; 4437 } 4438 case SCTP_AUTH_ACTIVE_KEY: 4439 { 4440 struct sctp_authkeyid *scact; 4441 4442 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4443 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4444 4445 /* set the active key on the right place */ 4446 if (stcb) { 4447 /* set the active key on the assoc */ 4448 if (sctp_auth_setactivekey(stcb, 4449 scact->scact_keynumber)) { 4450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4451 SCTP_FROM_SCTP_USRREQ, 4452 EINVAL); 4453 error = EINVAL; 4454 } 4455 SCTP_TCB_UNLOCK(stcb); 4456 } else { 4457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4459 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4460 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4461 SCTP_INP_WLOCK(inp); 4462 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4464 error = EINVAL; 4465 } 4466 SCTP_INP_WUNLOCK(inp); 4467 } 4468 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4469 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4470 SCTP_INP_RLOCK(inp); 4471 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4472 SCTP_TCB_LOCK(stcb); 4473 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4474 SCTP_TCB_UNLOCK(stcb); 4475 } 4476 SCTP_INP_RUNLOCK(inp); 4477 } 4478 } 4479 break; 4480 } 4481 case SCTP_AUTH_DELETE_KEY: 4482 { 4483 struct sctp_authkeyid *scdel; 4484 4485 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4486 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4487 4488 /* delete the key from the right place */ 4489 if (stcb) { 4490 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4492 error = EINVAL; 4493 } 4494 SCTP_TCB_UNLOCK(stcb); 4495 } else { 4496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4497 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4498 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4499 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4500 SCTP_INP_WLOCK(inp); 4501 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4503 error = EINVAL; 4504 } 4505 SCTP_INP_WUNLOCK(inp); 4506 } 4507 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4508 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4509 SCTP_INP_RLOCK(inp); 4510 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4511 SCTP_TCB_LOCK(stcb); 4512 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4513 SCTP_TCB_UNLOCK(stcb); 4514 } 4515 SCTP_INP_RUNLOCK(inp); 4516 } 4517 } 4518 break; 4519 } 4520 case SCTP_AUTH_DEACTIVATE_KEY: 4521 { 4522 struct sctp_authkeyid *keyid; 4523 4524 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4525 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4526 4527 /* deactivate the key from the right place */ 4528 if (stcb) { 4529 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4531 error = EINVAL; 4532 } 4533 SCTP_TCB_UNLOCK(stcb); 4534 } else { 4535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4537 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4538 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4539 SCTP_INP_WLOCK(inp); 4540 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4542 error = EINVAL; 4543 } 4544 SCTP_INP_WUNLOCK(inp); 4545 } 4546 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4547 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4548 SCTP_INP_RLOCK(inp); 4549 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4550 SCTP_TCB_LOCK(stcb); 4551 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4552 SCTP_TCB_UNLOCK(stcb); 4553 } 4554 SCTP_INP_RUNLOCK(inp); 4555 } 4556 } 4557 break; 4558 } 4559 case SCTP_ENABLE_STREAM_RESET: 4560 { 4561 struct sctp_assoc_value *av; 4562 4563 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4564 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4566 error = EINVAL; 4567 break; 4568 } 4569 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4570 if (stcb) { 4571 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4572 SCTP_TCB_UNLOCK(stcb); 4573 } else { 4574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4576 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4577 (av->assoc_id == SCTP_ALL_ASSOC)) { 4578 SCTP_INP_WLOCK(inp); 4579 inp->local_strreset_support = (uint8_t) av->assoc_value; 4580 SCTP_INP_WUNLOCK(inp); 4581 } 4582 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4583 (av->assoc_id == SCTP_ALL_ASSOC)) { 4584 SCTP_INP_RLOCK(inp); 4585 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4586 SCTP_TCB_LOCK(stcb); 4587 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4588 SCTP_TCB_UNLOCK(stcb); 4589 } 4590 SCTP_INP_RUNLOCK(inp); 4591 } 4592 } 4593 break; 4594 } 4595 case SCTP_RESET_STREAMS: 4596 { 4597 struct sctp_reset_streams *strrst; 4598 int i, send_out = 0; 4599 int send_in = 0; 4600 4601 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4602 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4603 if (stcb == NULL) { 4604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4605 error = ENOENT; 4606 break; 4607 } 4608 if (stcb->asoc.reconfig_supported == 0) { 4609 /* 4610 * Peer does not support the chunk type. 4611 */ 4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4613 error = EOPNOTSUPP; 4614 SCTP_TCB_UNLOCK(stcb); 4615 break; 4616 } 4617 if (sizeof(struct sctp_reset_streams) + 4618 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4619 error = EINVAL; 4620 SCTP_TCB_UNLOCK(stcb); 4621 break; 4622 } 4623 if (stcb->asoc.stream_reset_outstanding) { 4624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4625 error = EALREADY; 4626 SCTP_TCB_UNLOCK(stcb); 4627 break; 4628 } 4629 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4630 send_in = 1; 4631 } 4632 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4633 send_out = 1; 4634 } 4635 if ((send_in == 0) && (send_out == 0)) { 4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4637 error = EINVAL; 4638 SCTP_TCB_UNLOCK(stcb); 4639 break; 4640 } 4641 for (i = 0; i < strrst->srs_number_streams; i++) { 4642 if ((send_in) && 4643 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4645 error = EINVAL; 4646 break; 4647 } 4648 if ((send_out) && 4649 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4651 error = EINVAL; 4652 break; 4653 } 4654 } 4655 if (error) { 4656 SCTP_TCB_UNLOCK(stcb); 4657 break; 4658 } 4659 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4660 strrst->srs_stream_list, 4661 send_out, send_in, 0, 0, 0, 0, 0); 4662 4663 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4664 SCTP_TCB_UNLOCK(stcb); 4665 break; 4666 } 4667 case SCTP_ADD_STREAMS: 4668 { 4669 struct sctp_add_streams *stradd; 4670 uint8_t addstream = 0; 4671 uint16_t add_o_strmcnt = 0; 4672 uint16_t add_i_strmcnt = 0; 4673 4674 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4675 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4676 if (stcb == NULL) { 4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4678 error = ENOENT; 4679 break; 4680 } 4681 if (stcb->asoc.reconfig_supported == 0) { 4682 /* 4683 * Peer does not support the chunk type. 4684 */ 4685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4686 error = EOPNOTSUPP; 4687 SCTP_TCB_UNLOCK(stcb); 4688 break; 4689 } 4690 if (stcb->asoc.stream_reset_outstanding) { 4691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4692 error = EALREADY; 4693 SCTP_TCB_UNLOCK(stcb); 4694 break; 4695 } 4696 if ((stradd->sas_outstrms == 0) && 4697 (stradd->sas_instrms == 0)) { 4698 error = EINVAL; 4699 goto skip_stuff; 4700 } 4701 if (stradd->sas_outstrms) { 4702 addstream = 1; 4703 /* We allocate here */ 4704 add_o_strmcnt = stradd->sas_outstrms; 4705 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4706 /* You can't have more than 64k */ 4707 error = EINVAL; 4708 goto skip_stuff; 4709 } 4710 } 4711 if (stradd->sas_instrms) { 4712 int cnt; 4713 4714 addstream |= 2; 4715 /* 4716 * We allocate inside 4717 * sctp_send_str_reset_req() 4718 */ 4719 add_i_strmcnt = stradd->sas_instrms; 4720 cnt = add_i_strmcnt; 4721 cnt += stcb->asoc.streamincnt; 4722 if (cnt > 0x0000ffff) { 4723 /* You can't have more than 64k */ 4724 error = EINVAL; 4725 goto skip_stuff; 4726 } 4727 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4728 /* More than you are allowed */ 4729 error = EINVAL; 4730 goto skip_stuff; 4731 } 4732 } 4733 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4734 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4735 skip_stuff: 4736 SCTP_TCB_UNLOCK(stcb); 4737 break; 4738 } 4739 case SCTP_RESET_ASSOC: 4740 { 4741 uint32_t *value; 4742 4743 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4744 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4745 if (stcb == NULL) { 4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4747 error = ENOENT; 4748 break; 4749 } 4750 if (stcb->asoc.reconfig_supported == 0) { 4751 /* 4752 * Peer does not support the chunk type. 4753 */ 4754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4755 error = EOPNOTSUPP; 4756 SCTP_TCB_UNLOCK(stcb); 4757 break; 4758 } 4759 if (stcb->asoc.stream_reset_outstanding) { 4760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4761 error = EALREADY; 4762 SCTP_TCB_UNLOCK(stcb); 4763 break; 4764 } 4765 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4766 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4767 SCTP_TCB_UNLOCK(stcb); 4768 break; 4769 } 4770 case SCTP_CONNECT_X: 4771 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4773 error = EINVAL; 4774 break; 4775 } 4776 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4777 break; 4778 case SCTP_CONNECT_X_DELAYED: 4779 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4781 error = EINVAL; 4782 break; 4783 } 4784 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4785 break; 4786 case SCTP_CONNECT_X_COMPLETE: 4787 { 4788 struct sockaddr *sa; 4789 4790 /* FIXME MT: check correct? */ 4791 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4792 4793 /* find tcb */ 4794 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4795 SCTP_INP_RLOCK(inp); 4796 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4797 if (stcb) { 4798 SCTP_TCB_LOCK(stcb); 4799 } 4800 SCTP_INP_RUNLOCK(inp); 4801 } else { 4802 /* 4803 * We increment here since 4804 * sctp_findassociation_ep_addr() wil do a 4805 * decrement if it finds the stcb as long as 4806 * the locked tcb (last argument) is NOT a 4807 * TCB.. aka NULL. 4808 */ 4809 SCTP_INP_INCR_REF(inp); 4810 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4811 if (stcb == NULL) { 4812 SCTP_INP_DECR_REF(inp); 4813 } 4814 } 4815 4816 if (stcb == NULL) { 4817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4818 error = ENOENT; 4819 break; 4820 } 4821 if (stcb->asoc.delayed_connection == 1) { 4822 stcb->asoc.delayed_connection = 0; 4823 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4824 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4825 stcb->asoc.primary_destination, 4826 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4827 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4828 } else { 4829 /* 4830 * already expired or did not use delayed 4831 * connectx 4832 */ 4833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4834 error = EALREADY; 4835 } 4836 SCTP_TCB_UNLOCK(stcb); 4837 break; 4838 } 4839 case SCTP_MAX_BURST: 4840 { 4841 struct sctp_assoc_value *av; 4842 4843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4844 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4845 4846 if (stcb) { 4847 stcb->asoc.max_burst = av->assoc_value; 4848 SCTP_TCB_UNLOCK(stcb); 4849 } else { 4850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4851 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4852 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4853 (av->assoc_id == SCTP_ALL_ASSOC)) { 4854 SCTP_INP_WLOCK(inp); 4855 inp->sctp_ep.max_burst = av->assoc_value; 4856 SCTP_INP_WUNLOCK(inp); 4857 } 4858 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4859 (av->assoc_id == SCTP_ALL_ASSOC)) { 4860 SCTP_INP_RLOCK(inp); 4861 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4862 SCTP_TCB_LOCK(stcb); 4863 stcb->asoc.max_burst = av->assoc_value; 4864 SCTP_TCB_UNLOCK(stcb); 4865 } 4866 SCTP_INP_RUNLOCK(inp); 4867 } 4868 } 4869 break; 4870 } 4871 case SCTP_MAXSEG: 4872 { 4873 struct sctp_assoc_value *av; 4874 int ovh; 4875 4876 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4877 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4878 4879 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4880 ovh = SCTP_MED_OVERHEAD; 4881 } else { 4882 ovh = SCTP_MED_V4_OVERHEAD; 4883 } 4884 if (stcb) { 4885 if (av->assoc_value) { 4886 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4887 } else { 4888 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4889 } 4890 SCTP_TCB_UNLOCK(stcb); 4891 } else { 4892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4893 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4894 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4895 SCTP_INP_WLOCK(inp); 4896 /* 4897 * FIXME MT: I think this is not in 4898 * tune with the API ID 4899 */ 4900 if (av->assoc_value) { 4901 inp->sctp_frag_point = (av->assoc_value + ovh); 4902 } else { 4903 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4904 } 4905 SCTP_INP_WUNLOCK(inp); 4906 } else { 4907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4908 error = EINVAL; 4909 } 4910 } 4911 break; 4912 } 4913 case SCTP_EVENTS: 4914 { 4915 struct sctp_event_subscribe *events; 4916 4917 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4918 4919 SCTP_INP_WLOCK(inp); 4920 if (events->sctp_data_io_event) { 4921 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4922 } else { 4923 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4924 } 4925 4926 if (events->sctp_association_event) { 4927 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4928 } else { 4929 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4930 } 4931 4932 if (events->sctp_address_event) { 4933 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4934 } else { 4935 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4936 } 4937 4938 if (events->sctp_send_failure_event) { 4939 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4940 } else { 4941 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4942 } 4943 4944 if (events->sctp_peer_error_event) { 4945 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4946 } else { 4947 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4948 } 4949 4950 if (events->sctp_shutdown_event) { 4951 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4952 } else { 4953 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4954 } 4955 4956 if (events->sctp_partial_delivery_event) { 4957 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4958 } else { 4959 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4960 } 4961 4962 if (events->sctp_adaptation_layer_event) { 4963 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4964 } else { 4965 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4966 } 4967 4968 if (events->sctp_authentication_event) { 4969 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4970 } else { 4971 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4972 } 4973 4974 if (events->sctp_sender_dry_event) { 4975 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4976 } else { 4977 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4978 } 4979 4980 if (events->sctp_stream_reset_event) { 4981 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4982 } else { 4983 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4984 } 4985 SCTP_INP_WUNLOCK(inp); 4986 4987 SCTP_INP_RLOCK(inp); 4988 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4989 SCTP_TCB_LOCK(stcb); 4990 if (events->sctp_association_event) { 4991 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4992 } else { 4993 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4994 } 4995 if (events->sctp_address_event) { 4996 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4997 } else { 4998 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4999 } 5000 if (events->sctp_send_failure_event) { 5001 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5002 } else { 5003 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5004 } 5005 if (events->sctp_peer_error_event) { 5006 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5007 } else { 5008 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5009 } 5010 if (events->sctp_shutdown_event) { 5011 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5012 } else { 5013 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5014 } 5015 if (events->sctp_partial_delivery_event) { 5016 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5017 } else { 5018 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5019 } 5020 if (events->sctp_adaptation_layer_event) { 5021 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5022 } else { 5023 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5024 } 5025 if (events->sctp_authentication_event) { 5026 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5027 } else { 5028 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5029 } 5030 if (events->sctp_sender_dry_event) { 5031 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5032 } else { 5033 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5034 } 5035 if (events->sctp_stream_reset_event) { 5036 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5037 } else { 5038 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5039 } 5040 SCTP_TCB_UNLOCK(stcb); 5041 } 5042 /* 5043 * Send up the sender dry event only for 1-to-1 5044 * style sockets. 5045 */ 5046 if (events->sctp_sender_dry_event) { 5047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5048 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5049 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5050 if (stcb) { 5051 SCTP_TCB_LOCK(stcb); 5052 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5053 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5054 (stcb->asoc.stream_queue_cnt == 0)) { 5055 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5056 } 5057 SCTP_TCB_UNLOCK(stcb); 5058 } 5059 } 5060 } 5061 SCTP_INP_RUNLOCK(inp); 5062 break; 5063 } 5064 case SCTP_ADAPTATION_LAYER: 5065 { 5066 struct sctp_setadaptation *adap_bits; 5067 5068 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5069 SCTP_INP_WLOCK(inp); 5070 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5071 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5072 SCTP_INP_WUNLOCK(inp); 5073 break; 5074 } 5075#ifdef SCTP_DEBUG 5076 case SCTP_SET_INITIAL_DBG_SEQ: 5077 { 5078 uint32_t *vvv; 5079 5080 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5081 SCTP_INP_WLOCK(inp); 5082 inp->sctp_ep.initial_sequence_debug = *vvv; 5083 SCTP_INP_WUNLOCK(inp); 5084 break; 5085 } 5086#endif 5087 case SCTP_DEFAULT_SEND_PARAM: 5088 { 5089 struct sctp_sndrcvinfo *s_info; 5090 5091 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5092 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5093 5094 if (stcb) { 5095 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5096 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5097 } else { 5098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5099 error = EINVAL; 5100 } 5101 SCTP_TCB_UNLOCK(stcb); 5102 } else { 5103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5105 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5106 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5107 SCTP_INP_WLOCK(inp); 5108 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5109 SCTP_INP_WUNLOCK(inp); 5110 } 5111 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5112 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5113 SCTP_INP_RLOCK(inp); 5114 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5115 SCTP_TCB_LOCK(stcb); 5116 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5117 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5118 } 5119 SCTP_TCB_UNLOCK(stcb); 5120 } 5121 SCTP_INP_RUNLOCK(inp); 5122 } 5123 } 5124 break; 5125 } 5126 case SCTP_PEER_ADDR_PARAMS: 5127 { 5128 struct sctp_paddrparams *paddrp; 5129 struct sctp_nets *net; 5130 struct sockaddr *addr; 5131 5132#if defined(INET) && defined(INET6) 5133 struct sockaddr_in sin_store; 5134 5135#endif 5136 5137 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5138 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5139 5140#if defined(INET) && defined(INET6) 5141 if (paddrp->spp_address.ss_family == AF_INET6) { 5142 struct sockaddr_in6 *sin6; 5143 5144 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5145 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5146 in6_sin6_2_sin(&sin_store, sin6); 5147 addr = (struct sockaddr *)&sin_store; 5148 } else { 5149 addr = (struct sockaddr *)&paddrp->spp_address; 5150 } 5151 } else { 5152 addr = (struct sockaddr *)&paddrp->spp_address; 5153 } 5154#else 5155 addr = (struct sockaddr *)&paddrp->spp_address; 5156#endif 5157 if (stcb != NULL) { 5158 net = sctp_findnet(stcb, addr); 5159 } else { 5160 /* 5161 * We increment here since 5162 * sctp_findassociation_ep_addr() wil do a 5163 * decrement if it finds the stcb as long as 5164 * the locked tcb (last argument) is NOT a 5165 * TCB.. aka NULL. 5166 */ 5167 net = NULL; 5168 SCTP_INP_INCR_REF(inp); 5169 stcb = sctp_findassociation_ep_addr(&inp, addr, 5170 &net, NULL, NULL); 5171 if (stcb == NULL) { 5172 SCTP_INP_DECR_REF(inp); 5173 } 5174 } 5175 if ((stcb != NULL) && (net == NULL)) { 5176#ifdef INET 5177 if (addr->sa_family == AF_INET) { 5178 5179 struct sockaddr_in *sin; 5180 5181 sin = (struct sockaddr_in *)addr; 5182 if (sin->sin_addr.s_addr != INADDR_ANY) { 5183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5184 SCTP_TCB_UNLOCK(stcb); 5185 error = EINVAL; 5186 break; 5187 } 5188 } else 5189#endif 5190#ifdef INET6 5191 if (addr->sa_family == AF_INET6) { 5192 struct sockaddr_in6 *sin6; 5193 5194 sin6 = (struct sockaddr_in6 *)addr; 5195 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5197 SCTP_TCB_UNLOCK(stcb); 5198 error = EINVAL; 5199 break; 5200 } 5201 } else 5202#endif 5203 { 5204 error = EAFNOSUPPORT; 5205 SCTP_TCB_UNLOCK(stcb); 5206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5207 break; 5208 } 5209 } 5210 /* sanity checks */ 5211 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5212 if (stcb) 5213 SCTP_TCB_UNLOCK(stcb); 5214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5215 return (EINVAL); 5216 } 5217 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5218 if (stcb) 5219 SCTP_TCB_UNLOCK(stcb); 5220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5221 return (EINVAL); 5222 } 5223 if (stcb != NULL) { 5224 /************************TCB SPECIFIC SET ******************/ 5225 if (net != NULL) { 5226 /************************NET SPECIFIC SET ******************/ 5227 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5228 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5229 !(net->dest_state & SCTP_ADDR_NOHB)) { 5230 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5231 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5232 } 5233 net->dest_state |= SCTP_ADDR_NOHB; 5234 } 5235 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5236 if (paddrp->spp_hbinterval) { 5237 net->heart_beat_delay = paddrp->spp_hbinterval; 5238 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5239 net->heart_beat_delay = 0; 5240 } 5241 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5242 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5243 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5244 net->dest_state &= ~SCTP_ADDR_NOHB; 5245 } 5246 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5247 /* on demand HB */ 5248 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5249 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5250 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5251 } 5252 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5253 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5254 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5255 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5256 } 5257 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5258 net->mtu = paddrp->spp_pathmtu; 5259 switch (net->ro._l_addr.sa.sa_family) { 5260#ifdef INET 5261 case AF_INET: 5262 net->mtu += SCTP_MIN_V4_OVERHEAD; 5263 break; 5264#endif 5265#ifdef INET6 5266 case AF_INET6: 5267 net->mtu += SCTP_MIN_OVERHEAD; 5268 break; 5269#endif 5270 default: 5271 break; 5272 } 5273 if (net->mtu < stcb->asoc.smallest_mtu) { 5274 sctp_pathmtu_adjustment(stcb, net->mtu); 5275 } 5276 } 5277 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5278 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5279 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5280 } 5281 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5282 } 5283 if (paddrp->spp_pathmaxrxt) { 5284 if (net->dest_state & SCTP_ADDR_PF) { 5285 if (net->error_count > paddrp->spp_pathmaxrxt) { 5286 net->dest_state &= ~SCTP_ADDR_PF; 5287 } 5288 } else { 5289 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5290 (net->error_count > net->pf_threshold)) { 5291 net->dest_state |= SCTP_ADDR_PF; 5292 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5293 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5294 stcb->sctp_ep, stcb, net, 5295 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5296 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5297 } 5298 } 5299 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5300 if (net->error_count > paddrp->spp_pathmaxrxt) { 5301 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5302 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5303 } 5304 } else { 5305 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5306 net->dest_state |= SCTP_ADDR_REACHABLE; 5307 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5308 } 5309 } 5310 net->failure_threshold = paddrp->spp_pathmaxrxt; 5311 } 5312 if (paddrp->spp_flags & SPP_DSCP) { 5313 net->dscp = paddrp->spp_dscp & 0xfc; 5314 net->dscp |= 0x01; 5315 } 5316#ifdef INET6 5317 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5318 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5319 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5320 net->flowlabel |= 0x80000000; 5321 } 5322 } 5323#endif 5324 } else { 5325 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5326 if (paddrp->spp_pathmaxrxt != 0) { 5327 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5328 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5329 if (net->dest_state & SCTP_ADDR_PF) { 5330 if (net->error_count > paddrp->spp_pathmaxrxt) { 5331 net->dest_state &= ~SCTP_ADDR_PF; 5332 } 5333 } else { 5334 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5335 (net->error_count > net->pf_threshold)) { 5336 net->dest_state |= SCTP_ADDR_PF; 5337 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5338 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5339 stcb->sctp_ep, stcb, net, 5340 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5341 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5342 } 5343 } 5344 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5345 if (net->error_count > paddrp->spp_pathmaxrxt) { 5346 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5347 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5348 } 5349 } else { 5350 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5351 net->dest_state |= SCTP_ADDR_REACHABLE; 5352 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5353 } 5354 } 5355 net->failure_threshold = paddrp->spp_pathmaxrxt; 5356 } 5357 } 5358 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5359 if (paddrp->spp_hbinterval != 0) { 5360 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5361 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5362 stcb->asoc.heart_beat_delay = 0; 5363 } 5364 /* Turn back on the timer */ 5365 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5366 if (paddrp->spp_hbinterval != 0) { 5367 net->heart_beat_delay = paddrp->spp_hbinterval; 5368 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5369 net->heart_beat_delay = 0; 5370 } 5371 if (net->dest_state & SCTP_ADDR_NOHB) { 5372 net->dest_state &= ~SCTP_ADDR_NOHB; 5373 } 5374 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5376 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5377 } 5378 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5379 } 5380 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5381 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5382 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5383 net->dest_state |= SCTP_ADDR_NOHB; 5384 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5385 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5386 inp, stcb, net, 5387 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5388 } 5389 } 5390 } 5391 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5392 } 5393 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5394 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5395 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5396 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5397 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5398 } 5399 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5400 net->mtu = paddrp->spp_pathmtu; 5401 switch (net->ro._l_addr.sa.sa_family) { 5402#ifdef INET 5403 case AF_INET: 5404 net->mtu += SCTP_MIN_V4_OVERHEAD; 5405 break; 5406#endif 5407#ifdef INET6 5408 case AF_INET6: 5409 net->mtu += SCTP_MIN_OVERHEAD; 5410 break; 5411#endif 5412 default: 5413 break; 5414 } 5415 if (net->mtu < stcb->asoc.smallest_mtu) { 5416 sctp_pathmtu_adjustment(stcb, net->mtu); 5417 } 5418 } 5419 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5420 } 5421 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5422 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5423 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5424 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5425 } 5426 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5427 } 5428 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5429 } 5430 if (paddrp->spp_flags & SPP_DSCP) { 5431 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5432 net->dscp = paddrp->spp_dscp & 0xfc; 5433 net->dscp |= 0x01; 5434 } 5435 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5436 stcb->asoc.default_dscp |= 0x01; 5437 } 5438#ifdef INET6 5439 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5440 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5441 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5442 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5443 net->flowlabel |= 0x80000000; 5444 } 5445 } 5446 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5447 stcb->asoc.default_flowlabel |= 0x80000000; 5448 } 5449#endif 5450 } 5451 SCTP_TCB_UNLOCK(stcb); 5452 } else { 5453 /************************NO TCB, SET TO default stuff ******************/ 5454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5455 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5456 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5457 SCTP_INP_WLOCK(inp); 5458 /* 5459 * For the TOS/FLOWLABEL stuff you 5460 * set it with the options on the 5461 * socket 5462 */ 5463 if (paddrp->spp_pathmaxrxt != 0) { 5464 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5465 } 5466 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5467 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5468 else if (paddrp->spp_hbinterval != 0) { 5469 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5470 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5471 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5472 } 5473 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5474 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5475 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5476 } else if (paddrp->spp_hbinterval) { 5477 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5478 } 5479 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5480 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5481 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5482 } 5483 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5484 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5485 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5486 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5487 } 5488 if (paddrp->spp_flags & SPP_DSCP) { 5489 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5490 inp->sctp_ep.default_dscp |= 0x01; 5491 } 5492#ifdef INET6 5493 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5494 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5495 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5496 inp->sctp_ep.default_flowlabel |= 0x80000000; 5497 } 5498 } 5499#endif 5500 SCTP_INP_WUNLOCK(inp); 5501 } else { 5502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5503 error = EINVAL; 5504 } 5505 } 5506 break; 5507 } 5508 case SCTP_RTOINFO: 5509 { 5510 struct sctp_rtoinfo *srto; 5511 uint32_t new_init, new_min, new_max; 5512 5513 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5514 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5515 5516 if (stcb) { 5517 if (srto->srto_initial) 5518 new_init = srto->srto_initial; 5519 else 5520 new_init = stcb->asoc.initial_rto; 5521 if (srto->srto_max) 5522 new_max = srto->srto_max; 5523 else 5524 new_max = stcb->asoc.maxrto; 5525 if (srto->srto_min) 5526 new_min = srto->srto_min; 5527 else 5528 new_min = stcb->asoc.minrto; 5529 if ((new_min <= new_init) && (new_init <= new_max)) { 5530 stcb->asoc.initial_rto = new_init; 5531 stcb->asoc.maxrto = new_max; 5532 stcb->asoc.minrto = new_min; 5533 } else { 5534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5535 error = EINVAL; 5536 } 5537 SCTP_TCB_UNLOCK(stcb); 5538 } else { 5539 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5540 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5541 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5542 SCTP_INP_WLOCK(inp); 5543 if (srto->srto_initial) 5544 new_init = srto->srto_initial; 5545 else 5546 new_init = inp->sctp_ep.initial_rto; 5547 if (srto->srto_max) 5548 new_max = srto->srto_max; 5549 else 5550 new_max = inp->sctp_ep.sctp_maxrto; 5551 if (srto->srto_min) 5552 new_min = srto->srto_min; 5553 else 5554 new_min = inp->sctp_ep.sctp_minrto; 5555 if ((new_min <= new_init) && (new_init <= new_max)) { 5556 inp->sctp_ep.initial_rto = new_init; 5557 inp->sctp_ep.sctp_maxrto = new_max; 5558 inp->sctp_ep.sctp_minrto = new_min; 5559 } else { 5560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5561 error = EINVAL; 5562 } 5563 SCTP_INP_WUNLOCK(inp); 5564 } else { 5565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5566 error = EINVAL; 5567 } 5568 } 5569 break; 5570 } 5571 case SCTP_ASSOCINFO: 5572 { 5573 struct sctp_assocparams *sasoc; 5574 5575 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5576 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5577 if (sasoc->sasoc_cookie_life) { 5578 /* boundary check the cookie life */ 5579 if (sasoc->sasoc_cookie_life < 1000) 5580 sasoc->sasoc_cookie_life = 1000; 5581 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5582 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5583 } 5584 } 5585 if (stcb) { 5586 if (sasoc->sasoc_asocmaxrxt) 5587 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5588 if (sasoc->sasoc_cookie_life) { 5589 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5590 } 5591 SCTP_TCB_UNLOCK(stcb); 5592 } else { 5593 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5594 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5595 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5596 SCTP_INP_WLOCK(inp); 5597 if (sasoc->sasoc_asocmaxrxt) 5598 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5599 if (sasoc->sasoc_cookie_life) { 5600 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5601 } 5602 SCTP_INP_WUNLOCK(inp); 5603 } else { 5604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5605 error = EINVAL; 5606 } 5607 } 5608 break; 5609 } 5610 case SCTP_INITMSG: 5611 { 5612 struct sctp_initmsg *sinit; 5613 5614 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5615 SCTP_INP_WLOCK(inp); 5616 if (sinit->sinit_num_ostreams) 5617 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5618 5619 if (sinit->sinit_max_instreams) 5620 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5621 5622 if (sinit->sinit_max_attempts) 5623 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5624 5625 if (sinit->sinit_max_init_timeo) 5626 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5627 SCTP_INP_WUNLOCK(inp); 5628 break; 5629 } 5630 case SCTP_PRIMARY_ADDR: 5631 { 5632 struct sctp_setprim *spa; 5633 struct sctp_nets *net; 5634 struct sockaddr *addr; 5635 5636#if defined(INET) && defined(INET6) 5637 struct sockaddr_in sin_store; 5638 5639#endif 5640 5641 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5642 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5643 5644#if defined(INET) && defined(INET6) 5645 if (spa->ssp_addr.ss_family == AF_INET6) { 5646 struct sockaddr_in6 *sin6; 5647 5648 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5649 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5650 in6_sin6_2_sin(&sin_store, sin6); 5651 addr = (struct sockaddr *)&sin_store; 5652 } else { 5653 addr = (struct sockaddr *)&spa->ssp_addr; 5654 } 5655 } else { 5656 addr = (struct sockaddr *)&spa->ssp_addr; 5657 } 5658#else 5659 addr = (struct sockaddr *)&spa->ssp_addr; 5660#endif 5661 if (stcb != NULL) { 5662 net = sctp_findnet(stcb, addr); 5663 } else { 5664 /* 5665 * We increment here since 5666 * sctp_findassociation_ep_addr() wil do a 5667 * decrement if it finds the stcb as long as 5668 * the locked tcb (last argument) is NOT a 5669 * TCB.. aka NULL. 5670 */ 5671 net = NULL; 5672 SCTP_INP_INCR_REF(inp); 5673 stcb = sctp_findassociation_ep_addr(&inp, addr, 5674 &net, NULL, NULL); 5675 if (stcb == NULL) { 5676 SCTP_INP_DECR_REF(inp); 5677 } 5678 } 5679 5680 if ((stcb != NULL) && (net != NULL)) { 5681 if ((net != stcb->asoc.primary_destination) && 5682 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5683 /* Ok we need to set it */ 5684 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5685 if ((stcb->asoc.alternate) && 5686 (!(net->dest_state & SCTP_ADDR_PF)) && 5687 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5688 sctp_free_remote_addr(stcb->asoc.alternate); 5689 stcb->asoc.alternate = NULL; 5690 } 5691 } 5692 } 5693 } else { 5694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5695 error = EINVAL; 5696 } 5697 if (stcb != NULL) { 5698 SCTP_TCB_UNLOCK(stcb); 5699 } 5700 break; 5701 } 5702 case SCTP_SET_DYNAMIC_PRIMARY: 5703 { 5704 union sctp_sockstore *ss; 5705 5706 error = priv_check(curthread, 5707 PRIV_NETINET_RESERVEDPORT); 5708 if (error) 5709 break; 5710 5711 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5712 /* SUPER USER CHECK? */ 5713 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5714 break; 5715 } 5716 case SCTP_SET_PEER_PRIMARY_ADDR: 5717 { 5718 struct sctp_setpeerprim *sspp; 5719 struct sockaddr *addr; 5720 5721#if defined(INET) && defined(INET6) 5722 struct sockaddr_in sin_store; 5723 5724#endif 5725 5726 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5727 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5728 if (stcb != NULL) { 5729 struct sctp_ifa *ifa; 5730 5731#if defined(INET) && defined(INET6) 5732 if (sspp->sspp_addr.ss_family == AF_INET6) { 5733 struct sockaddr_in6 *sin6; 5734 5735 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5736 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5737 in6_sin6_2_sin(&sin_store, sin6); 5738 addr = (struct sockaddr *)&sin_store; 5739 } else { 5740 addr = (struct sockaddr *)&sspp->sspp_addr; 5741 } 5742 } else { 5743 addr = (struct sockaddr *)&sspp->sspp_addr; 5744 } 5745#else 5746 addr = (struct sockaddr *)&sspp->sspp_addr; 5747#endif 5748 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5749 if (ifa == NULL) { 5750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5751 error = EINVAL; 5752 goto out_of_it; 5753 } 5754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5755 /* 5756 * Must validate the ifa found is in 5757 * our ep 5758 */ 5759 struct sctp_laddr *laddr; 5760 int found = 0; 5761 5762 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5763 if (laddr->ifa == NULL) { 5764 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5765 __FUNCTION__); 5766 continue; 5767 } 5768 if (laddr->ifa == ifa) { 5769 found = 1; 5770 break; 5771 } 5772 } 5773 if (!found) { 5774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5775 error = EINVAL; 5776 goto out_of_it; 5777 } 5778 } else { 5779 switch (addr->sa_family) { 5780#ifdef INET 5781 case AF_INET: 5782 { 5783 struct sockaddr_in *sin; 5784 5785 sin = (struct sockaddr_in *)addr; 5786 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5787 &sin->sin_addr) != 0) { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 error = EINVAL; 5790 goto out_of_it; 5791 } 5792 break; 5793 } 5794#endif 5795#ifdef INET6 5796 case AF_INET6: 5797 { 5798 struct sockaddr_in6 *sin6; 5799 5800 sin6 = (struct sockaddr_in6 *)addr; 5801 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5802 &sin6->sin6_addr) != 0) { 5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5804 error = EINVAL; 5805 goto out_of_it; 5806 } 5807 break; 5808 } 5809#endif 5810 default: 5811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5812 error = EINVAL; 5813 goto out_of_it; 5814 } 5815 } 5816 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5818 error = EINVAL; 5819 } 5820 out_of_it: 5821 SCTP_TCB_UNLOCK(stcb); 5822 } else { 5823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5824 error = EINVAL; 5825 } 5826 break; 5827 } 5828 case SCTP_BINDX_ADD_ADDR: 5829 { 5830 struct sctp_getaddresses *addrs; 5831 struct thread *td; 5832 5833 td = (struct thread *)p; 5834 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5835 optsize); 5836#ifdef INET 5837 if (addrs->addr->sa_family == AF_INET) { 5838 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5840 error = EINVAL; 5841 break; 5842 } 5843 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5844 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5845 break; 5846 } 5847 } else 5848#endif 5849#ifdef INET6 5850 if (addrs->addr->sa_family == AF_INET6) { 5851 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5853 error = EINVAL; 5854 break; 5855 } 5856 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5857 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5858 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5859 break; 5860 } 5861 } else 5862#endif 5863 { 5864 error = EAFNOSUPPORT; 5865 break; 5866 } 5867 sctp_bindx_add_address(so, inp, addrs->addr, 5868 addrs->sget_assoc_id, vrf_id, 5869 &error, p); 5870 break; 5871 } 5872 case SCTP_BINDX_REM_ADDR: 5873 { 5874 struct sctp_getaddresses *addrs; 5875 struct thread *td; 5876 5877 td = (struct thread *)p; 5878 5879 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5880#ifdef INET 5881 if (addrs->addr->sa_family == AF_INET) { 5882 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5884 error = EINVAL; 5885 break; 5886 } 5887 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5888 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5889 break; 5890 } 5891 } else 5892#endif 5893#ifdef INET6 5894 if (addrs->addr->sa_family == AF_INET6) { 5895 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 break; 5899 } 5900 if (td != NULL && 5901 (error = prison_local_ip6(td->td_ucred, 5902 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5903 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5904 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5905 break; 5906 } 5907 } else 5908#endif 5909 { 5910 error = EAFNOSUPPORT; 5911 break; 5912 } 5913 sctp_bindx_delete_address(inp, addrs->addr, 5914 addrs->sget_assoc_id, vrf_id, 5915 &error); 5916 break; 5917 } 5918 case SCTP_EVENT: 5919 { 5920 struct sctp_event *event; 5921 uint32_t event_type; 5922 5923 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5924 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5925 switch (event->se_type) { 5926 case SCTP_ASSOC_CHANGE: 5927 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5928 break; 5929 case SCTP_PEER_ADDR_CHANGE: 5930 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5931 break; 5932 case SCTP_REMOTE_ERROR: 5933 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5934 break; 5935 case SCTP_SEND_FAILED: 5936 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5937 break; 5938 case SCTP_SHUTDOWN_EVENT: 5939 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5940 break; 5941 case SCTP_ADAPTATION_INDICATION: 5942 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5943 break; 5944 case SCTP_PARTIAL_DELIVERY_EVENT: 5945 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5946 break; 5947 case SCTP_AUTHENTICATION_EVENT: 5948 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5949 break; 5950 case SCTP_STREAM_RESET_EVENT: 5951 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5952 break; 5953 case SCTP_SENDER_DRY_EVENT: 5954 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5955 break; 5956 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5957 event_type = 0; 5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5959 error = ENOTSUP; 5960 break; 5961 case SCTP_ASSOC_RESET_EVENT: 5962 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5963 break; 5964 case SCTP_STREAM_CHANGE_EVENT: 5965 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5966 break; 5967 case SCTP_SEND_FAILED_EVENT: 5968 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5969 break; 5970 default: 5971 event_type = 0; 5972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5973 error = EINVAL; 5974 break; 5975 } 5976 if (event_type > 0) { 5977 if (stcb) { 5978 if (event->se_on) { 5979 sctp_stcb_feature_on(inp, stcb, event_type); 5980 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5981 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5982 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5983 (stcb->asoc.stream_queue_cnt == 0)) { 5984 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5985 } 5986 } 5987 } else { 5988 sctp_stcb_feature_off(inp, stcb, event_type); 5989 } 5990 SCTP_TCB_UNLOCK(stcb); 5991 } else { 5992 /* 5993 * We don't want to send up a storm 5994 * of events, so return an error for 5995 * sender dry events 5996 */ 5997 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5998 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5999 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6000 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6001 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6003 error = ENOTSUP; 6004 break; 6005 } 6006 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6007 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6008 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6009 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6010 SCTP_INP_WLOCK(inp); 6011 if (event->se_on) { 6012 sctp_feature_on(inp, event_type); 6013 } else { 6014 sctp_feature_off(inp, event_type); 6015 } 6016 SCTP_INP_WUNLOCK(inp); 6017 } 6018 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6019 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6020 SCTP_INP_RLOCK(inp); 6021 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6022 SCTP_TCB_LOCK(stcb); 6023 if (event->se_on) { 6024 sctp_stcb_feature_on(inp, stcb, event_type); 6025 } else { 6026 sctp_stcb_feature_off(inp, stcb, event_type); 6027 } 6028 SCTP_TCB_UNLOCK(stcb); 6029 } 6030 SCTP_INP_RUNLOCK(inp); 6031 } 6032 } 6033 } 6034 break; 6035 } 6036 case SCTP_RECVRCVINFO: 6037 { 6038 int *onoff; 6039 6040 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6041 SCTP_INP_WLOCK(inp); 6042 if (*onoff != 0) { 6043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6044 } else { 6045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6046 } 6047 SCTP_INP_WUNLOCK(inp); 6048 break; 6049 } 6050 case SCTP_RECVNXTINFO: 6051 { 6052 int *onoff; 6053 6054 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6055 SCTP_INP_WLOCK(inp); 6056 if (*onoff != 0) { 6057 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6058 } else { 6059 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6060 } 6061 SCTP_INP_WUNLOCK(inp); 6062 break; 6063 } 6064 case SCTP_DEFAULT_SNDINFO: 6065 { 6066 struct sctp_sndinfo *info; 6067 uint16_t policy; 6068 6069 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6070 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6071 6072 if (stcb) { 6073 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6074 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6075 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6076 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6077 stcb->asoc.def_send.sinfo_flags |= policy; 6078 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6079 stcb->asoc.def_send.sinfo_context = info->snd_context; 6080 } else { 6081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6082 error = EINVAL; 6083 } 6084 SCTP_TCB_UNLOCK(stcb); 6085 } else { 6086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6088 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6089 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6090 SCTP_INP_WLOCK(inp); 6091 inp->def_send.sinfo_stream = info->snd_sid; 6092 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6093 inp->def_send.sinfo_flags = info->snd_flags; 6094 inp->def_send.sinfo_flags |= policy; 6095 inp->def_send.sinfo_ppid = info->snd_ppid; 6096 inp->def_send.sinfo_context = info->snd_context; 6097 SCTP_INP_WUNLOCK(inp); 6098 } 6099 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6100 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6101 SCTP_INP_RLOCK(inp); 6102 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6103 SCTP_TCB_LOCK(stcb); 6104 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6105 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6106 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6107 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6108 stcb->asoc.def_send.sinfo_flags |= policy; 6109 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6110 stcb->asoc.def_send.sinfo_context = info->snd_context; 6111 } 6112 SCTP_TCB_UNLOCK(stcb); 6113 } 6114 SCTP_INP_RUNLOCK(inp); 6115 } 6116 } 6117 break; 6118 } 6119 case SCTP_DEFAULT_PRINFO: 6120 { 6121 struct sctp_default_prinfo *info; 6122 6123 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6124 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6125 6126 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6128 error = EINVAL; 6129 break; 6130 } 6131 if (stcb) { 6132 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6133 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6134 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6135 SCTP_TCB_UNLOCK(stcb); 6136 } else { 6137 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6138 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6139 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6140 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6141 SCTP_INP_WLOCK(inp); 6142 inp->def_send.sinfo_flags &= 0xfff0; 6143 inp->def_send.sinfo_flags |= info->pr_policy; 6144 inp->def_send.sinfo_timetolive = info->pr_value; 6145 SCTP_INP_WUNLOCK(inp); 6146 } 6147 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6148 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6149 SCTP_INP_RLOCK(inp); 6150 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6151 SCTP_TCB_LOCK(stcb); 6152 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6153 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6154 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6155 SCTP_TCB_UNLOCK(stcb); 6156 } 6157 SCTP_INP_RUNLOCK(inp); 6158 } 6159 } 6160 break; 6161 } 6162 case SCTP_PEER_ADDR_THLDS: 6163 /* Applies to the specific association */ 6164 { 6165 struct sctp_paddrthlds *thlds; 6166 struct sctp_nets *net; 6167 struct sockaddr *addr; 6168 6169#if defined(INET) && defined(INET6) 6170 struct sockaddr_in sin_store; 6171 6172#endif 6173 6174 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6175 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6176 6177#if defined(INET) && defined(INET6) 6178 if (thlds->spt_address.ss_family == AF_INET6) { 6179 struct sockaddr_in6 *sin6; 6180 6181 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6182 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6183 in6_sin6_2_sin(&sin_store, sin6); 6184 addr = (struct sockaddr *)&sin_store; 6185 } else { 6186 addr = (struct sockaddr *)&thlds->spt_address; 6187 } 6188 } else { 6189 addr = (struct sockaddr *)&thlds->spt_address; 6190 } 6191#else 6192 addr = (struct sockaddr *)&thlds->spt_address; 6193#endif 6194 if (stcb != NULL) { 6195 net = sctp_findnet(stcb, addr); 6196 } else { 6197 /* 6198 * We increment here since 6199 * sctp_findassociation_ep_addr() wil do a 6200 * decrement if it finds the stcb as long as 6201 * the locked tcb (last argument) is NOT a 6202 * TCB.. aka NULL. 6203 */ 6204 net = NULL; 6205 SCTP_INP_INCR_REF(inp); 6206 stcb = sctp_findassociation_ep_addr(&inp, addr, 6207 &net, NULL, NULL); 6208 if (stcb == NULL) { 6209 SCTP_INP_DECR_REF(inp); 6210 } 6211 } 6212 if ((stcb != NULL) && (net == NULL)) { 6213#ifdef INET 6214 if (addr->sa_family == AF_INET) { 6215 6216 struct sockaddr_in *sin; 6217 6218 sin = (struct sockaddr_in *)addr; 6219 if (sin->sin_addr.s_addr != INADDR_ANY) { 6220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6221 SCTP_TCB_UNLOCK(stcb); 6222 error = EINVAL; 6223 break; 6224 } 6225 } else 6226#endif 6227#ifdef INET6 6228 if (addr->sa_family == AF_INET6) { 6229 struct sockaddr_in6 *sin6; 6230 6231 sin6 = (struct sockaddr_in6 *)addr; 6232 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6234 SCTP_TCB_UNLOCK(stcb); 6235 error = EINVAL; 6236 break; 6237 } 6238 } else 6239#endif 6240 { 6241 error = EAFNOSUPPORT; 6242 SCTP_TCB_UNLOCK(stcb); 6243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6244 break; 6245 } 6246 } 6247 if (stcb != NULL) { 6248 if (net != NULL) { 6249 net->failure_threshold = thlds->spt_pathmaxrxt; 6250 net->pf_threshold = thlds->spt_pathpfthld; 6251 if (net->dest_state & SCTP_ADDR_PF) { 6252 if ((net->error_count > net->failure_threshold) || 6253 (net->error_count <= net->pf_threshold)) { 6254 net->dest_state &= ~SCTP_ADDR_PF; 6255 } 6256 } else { 6257 if ((net->error_count > net->pf_threshold) && 6258 (net->error_count <= net->failure_threshold)) { 6259 net->dest_state |= SCTP_ADDR_PF; 6260 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6261 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6262 stcb->sctp_ep, stcb, net, 6263 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6264 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6265 } 6266 } 6267 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6268 if (net->error_count > net->failure_threshold) { 6269 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6270 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6271 } 6272 } else { 6273 if (net->error_count <= net->failure_threshold) { 6274 net->dest_state |= SCTP_ADDR_REACHABLE; 6275 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6276 } 6277 } 6278 } else { 6279 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6280 net->failure_threshold = thlds->spt_pathmaxrxt; 6281 net->pf_threshold = thlds->spt_pathpfthld; 6282 if (net->dest_state & SCTP_ADDR_PF) { 6283 if ((net->error_count > net->failure_threshold) || 6284 (net->error_count <= net->pf_threshold)) { 6285 net->dest_state &= ~SCTP_ADDR_PF; 6286 } 6287 } else { 6288 if ((net->error_count > net->pf_threshold) && 6289 (net->error_count <= net->failure_threshold)) { 6290 net->dest_state |= SCTP_ADDR_PF; 6291 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6292 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6293 stcb->sctp_ep, stcb, net, 6294 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6295 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6296 } 6297 } 6298 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6299 if (net->error_count > net->failure_threshold) { 6300 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6301 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6302 } 6303 } else { 6304 if (net->error_count <= net->failure_threshold) { 6305 net->dest_state |= SCTP_ADDR_REACHABLE; 6306 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6307 } 6308 } 6309 } 6310 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6311 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6312 } 6313 SCTP_TCB_UNLOCK(stcb); 6314 } else { 6315 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6316 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6317 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6318 SCTP_INP_WLOCK(inp); 6319 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6320 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6321 SCTP_INP_WUNLOCK(inp); 6322 } else { 6323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6324 error = EINVAL; 6325 } 6326 } 6327 break; 6328 } 6329 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6330 { 6331 struct sctp_udpencaps *encaps; 6332 struct sctp_nets *net; 6333 struct sockaddr *addr; 6334 6335#if defined(INET) && defined(INET6) 6336 struct sockaddr_in sin_store; 6337 6338#endif 6339 6340 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6341 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6342 6343#if defined(INET) && defined(INET6) 6344 if (encaps->sue_address.ss_family == AF_INET6) { 6345 struct sockaddr_in6 *sin6; 6346 6347 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6348 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6349 in6_sin6_2_sin(&sin_store, sin6); 6350 addr = (struct sockaddr *)&sin_store; 6351 } else { 6352 addr = (struct sockaddr *)&encaps->sue_address; 6353 } 6354 } else { 6355 addr = (struct sockaddr *)&encaps->sue_address; 6356 } 6357#else 6358 addr = (struct sockaddr *)&encaps->sue_address; 6359#endif 6360 if (stcb != NULL) { 6361 net = sctp_findnet(stcb, addr); 6362 } else { 6363 /* 6364 * We increment here since 6365 * sctp_findassociation_ep_addr() wil do a 6366 * decrement if it finds the stcb as long as 6367 * the locked tcb (last argument) is NOT a 6368 * TCB.. aka NULL. 6369 */ 6370 net = NULL; 6371 SCTP_INP_INCR_REF(inp); 6372 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6373 if (stcb == NULL) { 6374 SCTP_INP_DECR_REF(inp); 6375 } 6376 } 6377 if ((stcb != NULL) && (net == NULL)) { 6378#ifdef INET 6379 if (addr->sa_family == AF_INET) { 6380 6381 struct sockaddr_in *sin; 6382 6383 sin = (struct sockaddr_in *)addr; 6384 if (sin->sin_addr.s_addr != INADDR_ANY) { 6385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6386 SCTP_TCB_UNLOCK(stcb); 6387 error = EINVAL; 6388 break; 6389 } 6390 } else 6391#endif 6392#ifdef INET6 6393 if (addr->sa_family == AF_INET6) { 6394 struct sockaddr_in6 *sin6; 6395 6396 sin6 = (struct sockaddr_in6 *)addr; 6397 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6399 SCTP_TCB_UNLOCK(stcb); 6400 error = EINVAL; 6401 break; 6402 } 6403 } else 6404#endif 6405 { 6406 error = EAFNOSUPPORT; 6407 SCTP_TCB_UNLOCK(stcb); 6408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6409 break; 6410 } 6411 } 6412 if (stcb != NULL) { 6413 if (net != NULL) { 6414 net->port = encaps->sue_port; 6415 } else { 6416 stcb->asoc.port = encaps->sue_port; 6417 } 6418 SCTP_TCB_UNLOCK(stcb); 6419 } else { 6420 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6421 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6422 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6423 SCTP_INP_WLOCK(inp); 6424 inp->sctp_ep.port = encaps->sue_port; 6425 SCTP_INP_WUNLOCK(inp); 6426 } else { 6427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6428 error = EINVAL; 6429 } 6430 } 6431 break; 6432 } 6433 case SCTP_ECN_SUPPORTED: 6434 { 6435 struct sctp_assoc_value *av; 6436 6437 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6438 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6439 6440 if (stcb) { 6441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6442 error = EINVAL; 6443 SCTP_TCB_UNLOCK(stcb); 6444 } else { 6445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6446 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6447 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6448 SCTP_INP_WLOCK(inp); 6449 if (av->assoc_value == 0) { 6450 inp->ecn_supported = 0; 6451 } else { 6452 inp->ecn_supported = 1; 6453 } 6454 SCTP_INP_WUNLOCK(inp); 6455 } else { 6456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6457 error = EINVAL; 6458 } 6459 } 6460 break; 6461 } 6462 case SCTP_PR_SUPPORTED: 6463 { 6464 struct sctp_assoc_value *av; 6465 6466 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6467 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6468 6469 if (stcb) { 6470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6471 error = EINVAL; 6472 SCTP_TCB_UNLOCK(stcb); 6473 } else { 6474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6476 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6477 SCTP_INP_WLOCK(inp); 6478 if (av->assoc_value == 0) { 6479 inp->prsctp_supported = 0; 6480 } else { 6481 inp->prsctp_supported = 1; 6482 } 6483 SCTP_INP_WUNLOCK(inp); 6484 } else { 6485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6486 error = EINVAL; 6487 } 6488 } 6489 break; 6490 } 6491 case SCTP_AUTH_SUPPORTED: 6492 { 6493 struct sctp_assoc_value *av; 6494 6495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6496 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6497 6498 if (stcb) { 6499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6500 error = EINVAL; 6501 SCTP_TCB_UNLOCK(stcb); 6502 } else { 6503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6505 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6506 if ((av->assoc_value == 0) && 6507 (inp->asconf_supported == 1)) { 6508 /* 6509 * AUTH is required for 6510 * ASCONF 6511 */ 6512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6513 error = EINVAL; 6514 } else { 6515 SCTP_INP_WLOCK(inp); 6516 if (av->assoc_value == 0) { 6517 inp->auth_supported = 0; 6518 } else { 6519 inp->auth_supported = 1; 6520 } 6521 SCTP_INP_WUNLOCK(inp); 6522 } 6523 } else { 6524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6525 error = EINVAL; 6526 } 6527 } 6528 break; 6529 } 6530 case SCTP_ASCONF_SUPPORTED: 6531 { 6532 struct sctp_assoc_value *av; 6533 6534 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6535 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6536 6537 if (stcb) { 6538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6539 error = EINVAL; 6540 SCTP_TCB_UNLOCK(stcb); 6541 } else { 6542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6544 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6545 if ((av->assoc_value != 0) && 6546 (inp->auth_supported == 0)) { 6547 /* 6548 * AUTH is required for 6549 * ASCONF 6550 */ 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 } else { 6554 SCTP_INP_WLOCK(inp); 6555 if (av->assoc_value == 0) { 6556 inp->asconf_supported = 0; 6557 sctp_auth_delete_chunk(SCTP_ASCONF, 6558 inp->sctp_ep.local_auth_chunks); 6559 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6560 inp->sctp_ep.local_auth_chunks); 6561 } else { 6562 inp->asconf_supported = 1; 6563 sctp_auth_add_chunk(SCTP_ASCONF, 6564 inp->sctp_ep.local_auth_chunks); 6565 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6566 inp->sctp_ep.local_auth_chunks); 6567 } 6568 SCTP_INP_WUNLOCK(inp); 6569 } 6570 } else { 6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6572 error = EINVAL; 6573 } 6574 } 6575 break; 6576 } 6577 case SCTP_RECONFIG_SUPPORTED: 6578 { 6579 struct sctp_assoc_value *av; 6580 6581 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6582 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6583 6584 if (stcb) { 6585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6586 error = EINVAL; 6587 SCTP_TCB_UNLOCK(stcb); 6588 } else { 6589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6590 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6591 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6592 SCTP_INP_WLOCK(inp); 6593 if (av->assoc_value == 0) { 6594 inp->reconfig_supported = 0; 6595 } else { 6596 inp->reconfig_supported = 1; 6597 } 6598 SCTP_INP_WUNLOCK(inp); 6599 } else { 6600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6601 error = EINVAL; 6602 } 6603 } 6604 break; 6605 } 6606 case SCTP_NRSACK_SUPPORTED: 6607 { 6608 struct sctp_assoc_value *av; 6609 6610 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6611 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6612 6613 if (stcb) { 6614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6615 error = EINVAL; 6616 SCTP_TCB_UNLOCK(stcb); 6617 } else { 6618 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6619 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6620 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6621 SCTP_INP_WLOCK(inp); 6622 if (av->assoc_value == 0) { 6623 inp->nrsack_supported = 0; 6624 } else { 6625 inp->nrsack_supported = 1; 6626 } 6627 SCTP_INP_WUNLOCK(inp); 6628 } else { 6629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6630 error = EINVAL; 6631 } 6632 } 6633 break; 6634 } 6635 case SCTP_PKTDROP_SUPPORTED: 6636 { 6637 struct sctp_assoc_value *av; 6638 6639 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6640 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6641 6642 if (stcb) { 6643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6644 error = EINVAL; 6645 SCTP_TCB_UNLOCK(stcb); 6646 } else { 6647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6649 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6650 SCTP_INP_WLOCK(inp); 6651 if (av->assoc_value == 0) { 6652 inp->pktdrop_supported = 0; 6653 } else { 6654 inp->pktdrop_supported = 1; 6655 } 6656 SCTP_INP_WUNLOCK(inp); 6657 } else { 6658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6659 error = EINVAL; 6660 } 6661 } 6662 break; 6663 } 6664 case SCTP_MAX_CWND: 6665 { 6666 struct sctp_assoc_value *av; 6667 struct sctp_nets *net; 6668 6669 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6670 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6671 6672 if (stcb) { 6673 stcb->asoc.max_cwnd = av->assoc_value; 6674 if (stcb->asoc.max_cwnd > 0) { 6675 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6676 if ((net->cwnd > stcb->asoc.max_cwnd) && 6677 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6678 net->cwnd = stcb->asoc.max_cwnd; 6679 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6680 net->cwnd = net->mtu - sizeof(struct sctphdr); 6681 } 6682 } 6683 } 6684 } 6685 SCTP_TCB_UNLOCK(stcb); 6686 } else { 6687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6689 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6690 SCTP_INP_WLOCK(inp); 6691 inp->max_cwnd = av->assoc_value; 6692 SCTP_INP_WUNLOCK(inp); 6693 } else { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 } 6697 } 6698 break; 6699 } 6700 default: 6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6702 error = ENOPROTOOPT; 6703 break; 6704 } /* end switch (opt) */ 6705 return (error); 6706} 6707 6708int 6709sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6710{ 6711 void *optval = NULL; 6712 size_t optsize = 0; 6713 void *p; 6714 int error = 0; 6715 6716 if (sopt->sopt_level != IPPROTO_SCTP) { 6717 /* wrong proto level... send back up to IP */ 6718#ifdef INET6 6719 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6720 error = ip6_ctloutput(so, sopt); 6721#endif /* INET6 */ 6722#if defined(INET) && defined(INET6) 6723 else 6724#endif 6725#ifdef INET 6726 error = ip_ctloutput(so, sopt); 6727#endif 6728 return (error); 6729 } 6730 optsize = sopt->sopt_valsize; 6731 if (optsize) { 6732 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6733 if (optval == NULL) { 6734 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6735 return (ENOBUFS); 6736 } 6737 error = sooptcopyin(sopt, optval, optsize, optsize); 6738 if (error) { 6739 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6740 goto out; 6741 } 6742 } 6743 p = (void *)sopt->sopt_td; 6744 if (sopt->sopt_dir == SOPT_SET) { 6745 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6746 } else if (sopt->sopt_dir == SOPT_GET) { 6747 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6748 } else { 6749 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6750 error = EINVAL; 6751 } 6752 if ((error == 0) && (optval != NULL)) { 6753 error = sooptcopyout(sopt, optval, optsize); 6754 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6755 } else if (optval != NULL) { 6756 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6757 } 6758out: 6759 return (error); 6760} 6761 6762#ifdef INET 6763static int 6764sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6765{ 6766 int error = 0; 6767 int create_lock_on = 0; 6768 uint32_t vrf_id; 6769 struct sctp_inpcb *inp; 6770 struct sctp_tcb *stcb = NULL; 6771 6772 inp = (struct sctp_inpcb *)so->so_pcb; 6773 if (inp == NULL) { 6774 /* I made the same as TCP since we are not setup? */ 6775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6776 return (ECONNRESET); 6777 } 6778 if (addr == NULL) { 6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6780 return EINVAL; 6781 } 6782 switch (addr->sa_family) { 6783#ifdef INET6 6784 case AF_INET6: 6785 { 6786 struct sockaddr_in6 *sin6p; 6787 6788 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6790 return (EINVAL); 6791 } 6792 sin6p = (struct sockaddr_in6 *)addr; 6793 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6795 return (error); 6796 } 6797 break; 6798 } 6799#endif 6800#ifdef INET 6801 case AF_INET: 6802 { 6803 struct sockaddr_in *sinp; 6804 6805 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6807 return (EINVAL); 6808 } 6809 sinp = (struct sockaddr_in *)addr; 6810 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6812 return (error); 6813 } 6814 break; 6815 } 6816#endif 6817 default: 6818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6819 return (EAFNOSUPPORT); 6820 } 6821 SCTP_INP_INCR_REF(inp); 6822 SCTP_ASOC_CREATE_LOCK(inp); 6823 create_lock_on = 1; 6824 6825 6826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6827 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6828 /* Should I really unlock ? */ 6829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6830 error = EFAULT; 6831 goto out_now; 6832 } 6833#ifdef INET6 6834 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6835 (addr->sa_family == AF_INET6)) { 6836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6837 error = EINVAL; 6838 goto out_now; 6839 } 6840#endif 6841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6842 SCTP_PCB_FLAGS_UNBOUND) { 6843 /* Bind a ephemeral port */ 6844 error = sctp_inpcb_bind(so, NULL, NULL, p); 6845 if (error) { 6846 goto out_now; 6847 } 6848 } 6849 /* Now do we connect? */ 6850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6851 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6853 error = EINVAL; 6854 goto out_now; 6855 } 6856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6857 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6858 /* We are already connected AND the TCP model */ 6859 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6860 error = EADDRINUSE; 6861 goto out_now; 6862 } 6863 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6864 SCTP_INP_RLOCK(inp); 6865 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6866 SCTP_INP_RUNLOCK(inp); 6867 } else { 6868 /* 6869 * We increment here since sctp_findassociation_ep_addr() 6870 * will do a decrement if it finds the stcb as long as the 6871 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6872 */ 6873 SCTP_INP_INCR_REF(inp); 6874 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6875 if (stcb == NULL) { 6876 SCTP_INP_DECR_REF(inp); 6877 } else { 6878 SCTP_TCB_UNLOCK(stcb); 6879 } 6880 } 6881 if (stcb != NULL) { 6882 /* Already have or am bring up an association */ 6883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6884 error = EALREADY; 6885 goto out_now; 6886 } 6887 vrf_id = inp->def_vrf_id; 6888 /* We are GOOD to go */ 6889 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6890 if (stcb == NULL) { 6891 /* Gak! no memory */ 6892 goto out_now; 6893 } 6894 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6895 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6896 /* Set the connected flag so we can queue data */ 6897 soisconnecting(so); 6898 } 6899 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6900 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6901 6902 /* initialize authentication parameters for the assoc */ 6903 sctp_initialize_auth_params(inp, stcb); 6904 6905 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6906 SCTP_TCB_UNLOCK(stcb); 6907out_now: 6908 if (create_lock_on) { 6909 SCTP_ASOC_CREATE_UNLOCK(inp); 6910 } 6911 SCTP_INP_DECR_REF(inp); 6912 return (error); 6913} 6914 6915#endif 6916 6917int 6918sctp_listen(struct socket *so, int backlog, struct thread *p) 6919{ 6920 /* 6921 * Note this module depends on the protocol processing being called 6922 * AFTER any socket level flags and backlog are applied to the 6923 * socket. The traditional way that the socket flags are applied is 6924 * AFTER protocol processing. We have made a change to the 6925 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6926 * place if the socket API for SCTP is to work properly. 6927 */ 6928 6929 int error = 0; 6930 struct sctp_inpcb *inp; 6931 6932 inp = (struct sctp_inpcb *)so->so_pcb; 6933 if (inp == NULL) { 6934 /* I made the same as TCP since we are not setup? */ 6935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6936 return (ECONNRESET); 6937 } 6938 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6939 /* See if we have a listener */ 6940 struct sctp_inpcb *tinp; 6941 union sctp_sockstore store; 6942 6943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6944 /* not bound all */ 6945 struct sctp_laddr *laddr; 6946 6947 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6948 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6949 switch (store.sa.sa_family) { 6950#ifdef INET 6951 case AF_INET: 6952 store.sin.sin_port = inp->sctp_lport; 6953 break; 6954#endif 6955#ifdef INET6 6956 case AF_INET6: 6957 store.sin6.sin6_port = inp->sctp_lport; 6958 break; 6959#endif 6960 default: 6961 break; 6962 } 6963 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6964 if (tinp && (tinp != inp) && 6965 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6966 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6967 (tinp->sctp_socket->so_qlimit)) { 6968 /* 6969 * we have a listener already and 6970 * its not this inp. 6971 */ 6972 SCTP_INP_DECR_REF(tinp); 6973 return (EADDRINUSE); 6974 } else if (tinp) { 6975 SCTP_INP_DECR_REF(tinp); 6976 } 6977 } 6978 } else { 6979 /* Setup a local addr bound all */ 6980 memset(&store, 0, sizeof(store)); 6981#ifdef INET6 6982 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6983 store.sa.sa_family = AF_INET6; 6984 store.sa.sa_len = sizeof(struct sockaddr_in6); 6985 } 6986#endif 6987#ifdef INET 6988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6989 store.sa.sa_family = AF_INET; 6990 store.sa.sa_len = sizeof(struct sockaddr_in); 6991 } 6992#endif 6993 switch (store.sa.sa_family) { 6994#ifdef INET 6995 case AF_INET: 6996 store.sin.sin_port = inp->sctp_lport; 6997 break; 6998#endif 6999#ifdef INET6 7000 case AF_INET6: 7001 store.sin6.sin6_port = inp->sctp_lport; 7002 break; 7003#endif 7004 default: 7005 break; 7006 } 7007 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7008 if (tinp && (tinp != inp) && 7009 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7010 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7011 (tinp->sctp_socket->so_qlimit)) { 7012 /* 7013 * we have a listener already and its not 7014 * this inp. 7015 */ 7016 SCTP_INP_DECR_REF(tinp); 7017 return (EADDRINUSE); 7018 } else if (tinp) { 7019 SCTP_INP_DECR_REF(tinp); 7020 } 7021 } 7022 } 7023 SCTP_INP_RLOCK(inp); 7024#ifdef SCTP_LOCK_LOGGING 7025 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7026 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7027 } 7028#endif 7029 SOCK_LOCK(so); 7030 error = solisten_proto_check(so); 7031 SOCK_UNLOCK(so); 7032 if (error) { 7033 SCTP_INP_RUNLOCK(inp); 7034 return (error); 7035 } 7036 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7037 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7038 /* 7039 * The unlucky case - We are in the tcp pool with this guy. 7040 * - Someone else is in the main inp slot. - We must move 7041 * this guy (the listener) to the main slot - We must then 7042 * move the guy that was listener to the TCP Pool. 7043 */ 7044 if (sctp_swap_inpcb_for_listen(inp)) { 7045 SCTP_INP_RUNLOCK(inp); 7046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7047 return (EADDRINUSE); 7048 } 7049 } 7050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7051 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7052 /* We are already connected AND the TCP model */ 7053 SCTP_INP_RUNLOCK(inp); 7054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7055 return (EADDRINUSE); 7056 } 7057 SCTP_INP_RUNLOCK(inp); 7058 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7059 /* We must do a bind. */ 7060 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7061 /* bind error, probably perm */ 7062 return (error); 7063 } 7064 } 7065 SOCK_LOCK(so); 7066 /* It appears for 7.0 and on, we must always call this. */ 7067 solisten_proto(so, backlog); 7068 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7069 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7070 so->so_options &= ~SO_ACCEPTCONN; 7071 } 7072 if (backlog == 0) { 7073 /* turning off listen */ 7074 so->so_options &= ~SO_ACCEPTCONN; 7075 } 7076 SOCK_UNLOCK(so); 7077 return (error); 7078} 7079 7080static int sctp_defered_wakeup_cnt = 0; 7081 7082int 7083sctp_accept(struct socket *so, struct sockaddr **addr) 7084{ 7085 struct sctp_tcb *stcb; 7086 struct sctp_inpcb *inp; 7087 union sctp_sockstore store; 7088 7089#ifdef INET6 7090 int error; 7091 7092#endif 7093 inp = (struct sctp_inpcb *)so->so_pcb; 7094 7095 if (inp == NULL) { 7096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7097 return (ECONNRESET); 7098 } 7099 SCTP_INP_RLOCK(inp); 7100 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7101 SCTP_INP_RUNLOCK(inp); 7102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7103 return (EOPNOTSUPP); 7104 } 7105 if (so->so_state & SS_ISDISCONNECTED) { 7106 SCTP_INP_RUNLOCK(inp); 7107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7108 return (ECONNABORTED); 7109 } 7110 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7111 if (stcb == NULL) { 7112 SCTP_INP_RUNLOCK(inp); 7113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7114 return (ECONNRESET); 7115 } 7116 SCTP_TCB_LOCK(stcb); 7117 SCTP_INP_RUNLOCK(inp); 7118 store = stcb->asoc.primary_destination->ro._l_addr; 7119 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7120 SCTP_TCB_UNLOCK(stcb); 7121 switch (store.sa.sa_family) { 7122#ifdef INET 7123 case AF_INET: 7124 { 7125 struct sockaddr_in *sin; 7126 7127 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7128 if (sin == NULL) 7129 return (ENOMEM); 7130 sin->sin_family = AF_INET; 7131 sin->sin_len = sizeof(*sin); 7132 sin->sin_port = store.sin.sin_port; 7133 sin->sin_addr = store.sin.sin_addr; 7134 *addr = (struct sockaddr *)sin; 7135 break; 7136 } 7137#endif 7138#ifdef INET6 7139 case AF_INET6: 7140 { 7141 struct sockaddr_in6 *sin6; 7142 7143 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7144 if (sin6 == NULL) 7145 return (ENOMEM); 7146 sin6->sin6_family = AF_INET6; 7147 sin6->sin6_len = sizeof(*sin6); 7148 sin6->sin6_port = store.sin6.sin6_port; 7149 sin6->sin6_addr = store.sin6.sin6_addr; 7150 if ((error = sa6_recoverscope(sin6)) != 0) { 7151 SCTP_FREE_SONAME(sin6); 7152 return (error); 7153 } 7154 *addr = (struct sockaddr *)sin6; 7155 break; 7156 } 7157#endif 7158 default: 7159 /* TSNH */ 7160 break; 7161 } 7162 /* Wake any delayed sleep action */ 7163 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7164 SCTP_INP_WLOCK(inp); 7165 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7166 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7167 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7168 SCTP_INP_WUNLOCK(inp); 7169 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7170 if (sowriteable(inp->sctp_socket)) { 7171 sowwakeup_locked(inp->sctp_socket); 7172 } else { 7173 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7174 } 7175 SCTP_INP_WLOCK(inp); 7176 } 7177 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7178 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7179 SCTP_INP_WUNLOCK(inp); 7180 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7181 if (soreadable(inp->sctp_socket)) { 7182 sctp_defered_wakeup_cnt++; 7183 sorwakeup_locked(inp->sctp_socket); 7184 } else { 7185 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7186 } 7187 SCTP_INP_WLOCK(inp); 7188 } 7189 SCTP_INP_WUNLOCK(inp); 7190 } 7191 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7192 SCTP_TCB_LOCK(stcb); 7193 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7195 } 7196 return (0); 7197} 7198 7199#ifdef INET 7200int 7201sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7202{ 7203 struct sockaddr_in *sin; 7204 uint32_t vrf_id; 7205 struct sctp_inpcb *inp; 7206 struct sctp_ifa *sctp_ifa; 7207 7208 /* 7209 * Do the malloc first in case it blocks. 7210 */ 7211 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7212 if (sin == NULL) 7213 return (ENOMEM); 7214 sin->sin_family = AF_INET; 7215 sin->sin_len = sizeof(*sin); 7216 inp = (struct sctp_inpcb *)so->so_pcb; 7217 if (!inp) { 7218 SCTP_FREE_SONAME(sin); 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7220 return (ECONNRESET); 7221 } 7222 SCTP_INP_RLOCK(inp); 7223 sin->sin_port = inp->sctp_lport; 7224 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7225 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7226 struct sctp_tcb *stcb; 7227 struct sockaddr_in *sin_a; 7228 struct sctp_nets *net; 7229 int fnd; 7230 7231 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7232 if (stcb == NULL) { 7233 goto notConn; 7234 } 7235 fnd = 0; 7236 sin_a = NULL; 7237 SCTP_TCB_LOCK(stcb); 7238 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7239 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7240 if (sin_a == NULL) 7241 /* this will make coverity happy */ 7242 continue; 7243 7244 if (sin_a->sin_family == AF_INET) { 7245 fnd = 1; 7246 break; 7247 } 7248 } 7249 if ((!fnd) || (sin_a == NULL)) { 7250 /* punt */ 7251 SCTP_TCB_UNLOCK(stcb); 7252 goto notConn; 7253 } 7254 vrf_id = inp->def_vrf_id; 7255 sctp_ifa = sctp_source_address_selection(inp, 7256 stcb, 7257 (sctp_route_t *) & net->ro, 7258 net, 0, vrf_id); 7259 if (sctp_ifa) { 7260 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7261 sctp_free_ifa(sctp_ifa); 7262 } 7263 SCTP_TCB_UNLOCK(stcb); 7264 } else { 7265 /* For the bound all case you get back 0 */ 7266 notConn: 7267 sin->sin_addr.s_addr = 0; 7268 } 7269 7270 } else { 7271 /* Take the first IPv4 address in the list */ 7272 struct sctp_laddr *laddr; 7273 int fnd = 0; 7274 7275 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7276 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7277 struct sockaddr_in *sin_a; 7278 7279 sin_a = &laddr->ifa->address.sin; 7280 sin->sin_addr = sin_a->sin_addr; 7281 fnd = 1; 7282 break; 7283 } 7284 } 7285 if (!fnd) { 7286 SCTP_FREE_SONAME(sin); 7287 SCTP_INP_RUNLOCK(inp); 7288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7289 return (ENOENT); 7290 } 7291 } 7292 SCTP_INP_RUNLOCK(inp); 7293 (*addr) = (struct sockaddr *)sin; 7294 return (0); 7295} 7296 7297int 7298sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7299{ 7300 struct sockaddr_in *sin; 7301 int fnd; 7302 struct sockaddr_in *sin_a; 7303 struct sctp_inpcb *inp; 7304 struct sctp_tcb *stcb; 7305 struct sctp_nets *net; 7306 7307 /* Do the malloc first in case it blocks. */ 7308 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7309 if (sin == NULL) 7310 return (ENOMEM); 7311 sin->sin_family = AF_INET; 7312 sin->sin_len = sizeof(*sin); 7313 7314 inp = (struct sctp_inpcb *)so->so_pcb; 7315 if ((inp == NULL) || 7316 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7317 /* UDP type and listeners will drop out here */ 7318 SCTP_FREE_SONAME(sin); 7319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7320 return (ENOTCONN); 7321 } 7322 SCTP_INP_RLOCK(inp); 7323 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7324 if (stcb) { 7325 SCTP_TCB_LOCK(stcb); 7326 } 7327 SCTP_INP_RUNLOCK(inp); 7328 if (stcb == NULL) { 7329 SCTP_FREE_SONAME(sin); 7330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7331 return (ECONNRESET); 7332 } 7333 fnd = 0; 7334 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7335 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7336 if (sin_a->sin_family == AF_INET) { 7337 fnd = 1; 7338 sin->sin_port = stcb->rport; 7339 sin->sin_addr = sin_a->sin_addr; 7340 break; 7341 } 7342 } 7343 SCTP_TCB_UNLOCK(stcb); 7344 if (!fnd) { 7345 /* No IPv4 address */ 7346 SCTP_FREE_SONAME(sin); 7347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7348 return (ENOENT); 7349 } 7350 (*addr) = (struct sockaddr *)sin; 7351 return (0); 7352} 7353 7354struct pr_usrreqs sctp_usrreqs = { 7355 .pru_abort = sctp_abort, 7356 .pru_accept = sctp_accept, 7357 .pru_attach = sctp_attach, 7358 .pru_bind = sctp_bind, 7359 .pru_connect = sctp_connect, 7360 .pru_control = in_control, 7361 .pru_close = sctp_close, 7362 .pru_detach = sctp_close, 7363 .pru_sopoll = sopoll_generic, 7364 .pru_flush = sctp_flush, 7365 .pru_disconnect = sctp_disconnect, 7366 .pru_listen = sctp_listen, 7367 .pru_peeraddr = sctp_peeraddr, 7368 .pru_send = sctp_sendm, 7369 .pru_shutdown = sctp_shutdown, 7370 .pru_sockaddr = sctp_ingetaddr, 7371 .pru_sosend = sctp_sosend, 7372 .pru_soreceive = sctp_soreceive 7373}; 7374 7375#endif 7376