sctp_usrreq.c revision 270356
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 270356 2014-08-22 19:57:39Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#endif 43#include <netinet/sctp_sysctl.h> 44#include <netinet/sctp_output.h> 45#include <netinet/sctp_uio.h> 46#include <netinet/sctp_asconf.h> 47#include <netinet/sctputil.h> 48#include <netinet/sctp_indata.h> 49#include <netinet/sctp_timer.h> 50#include <netinet/sctp_auth.h> 51#include <netinet/sctp_bsd_addr.h> 52#include <netinet/udp.h> 53 54 55 56extern struct sctp_cc_functions sctp_cc_functions[]; 57extern struct sctp_ss_functions sctp_ss_functions[]; 58 59void 60sctp_init(void) 61{ 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX whichever is smaller for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84#if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 88#endif 89} 90 91void 92sctp_finish(void) 93{ 94 sctp_pcb_finish(); 95} 96 97 98 99void 100sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 101{ 102 struct sctp_tmit_chunk *chk; 103 uint16_t overhead; 104 105 /* Adjust that too */ 106 stcb->asoc.smallest_mtu = nxtsz; 107 /* now off to subtract IP_DF flag if needed */ 108 overhead = IP_HDR_SIZE; 109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 111 } 112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 113 if ((chk->send_size + overhead) > nxtsz) { 114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 115 } 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 /* 120 * For this guy we also mark for immediate resend 121 * since we sent to big of chunk 122 */ 123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 124 if (chk->sent < SCTP_DATAGRAM_RESEND) { 125 sctp_flight_size_decrease(chk); 126 sctp_total_flight_decrease(stcb, chk); 127 } 128 if (chk->sent != SCTP_DATAGRAM_RESEND) { 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 } 131 chk->sent = SCTP_DATAGRAM_RESEND; 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uintptr_t) chk->whoTo, 138 chk->rec.data.TSN_seq); 139 } 140 /* Clear any time so NO RTT is being done */ 141 chk->do_rtt = 0; 142 } 143 } 144} 145 146#ifdef INET 147static void 148sctp_notify_mbuf(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 struct ip *ip, 152 struct sctphdr *sh) 153{ 154 struct icmp *icmph; 155 int totsz, tmr_stopped = 0; 156 uint16_t nxtsz; 157 158 /* protection */ 159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 160 (ip == NULL) || (sh == NULL)) { 161 if (stcb != NULL) { 162 SCTP_TCB_UNLOCK(stcb); 163 } 164 return; 165 } 166 /* First job is to verify the vtag matches what I would send */ 167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 172 sizeof(struct ip))); 173 if (icmph->icmp_type != ICMP_UNREACH) { 174 /* We only care about unreachable */ 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 179 /* not a unreachable message due to frag. */ 180 SCTP_TCB_UNLOCK(stcb); 181 return; 182 } 183 totsz = ntohs(ip->ip_len); 184 185 nxtsz = ntohs(icmph->icmp_nextmtu); 186 if (nxtsz == 0) { 187 /* 188 * old type router that does not tell us what the next size 189 * mtu is. Rats we will have to guess (in a educated fashion 190 * of course) 191 */ 192 nxtsz = sctp_get_prev_mtu(totsz); 193 } 194 /* Stop any PMTU timer */ 195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 196 tmr_stopped = 1; 197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 199 } 200 /* Adjust destination size limit */ 201 if (net->mtu > nxtsz) { 202 net->mtu = nxtsz; 203 if (net->port) { 204 net->mtu -= sizeof(struct udphdr); 205 } 206 } 207 /* now what about the ep? */ 208 if (stcb->asoc.smallest_mtu > nxtsz) { 209 sctp_pathmtu_adjustment(stcb, nxtsz); 210 } 211 if (tmr_stopped) 212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 213 214 SCTP_TCB_UNLOCK(stcb); 215} 216 217void 218sctp_notify(struct sctp_inpcb *inp, 219 struct ip *ip, 220 struct sctphdr *sh, 221 struct sockaddr *to, 222 struct sctp_tcb *stcb, 223 struct sctp_nets *net) 224{ 225#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 226 struct socket *so; 227 228#endif 229 struct icmp *icmph; 230 231 /* protection */ 232 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 233 (sh == NULL) || (to == NULL)) { 234 if (stcb) 235 SCTP_TCB_UNLOCK(stcb); 236 return; 237 } 238 /* First job is to verify the vtag matches what I would send */ 239 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 240 SCTP_TCB_UNLOCK(stcb); 241 return; 242 } 243 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 244 sizeof(struct ip))); 245 if (icmph->icmp_type != ICMP_UNREACH) { 246 /* We only care about unreachable */ 247 SCTP_TCB_UNLOCK(stcb); 248 return; 249 } 250 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 251 (icmph->icmp_code == ICMP_UNREACH_HOST) || 252 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 254 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 255 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 257 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 258 259 /* 260 * Hmm reachablity problems we must examine closely. If its 261 * not reachable, we may have lost a network. Or if there is 262 * NO protocol at the other end named SCTP. well we consider 263 * it a OOTB abort. 264 */ 265 if (net->dest_state & SCTP_ADDR_REACHABLE) { 266 /* Ok that destination is NOT reachable */ 267 net->dest_state &= ~SCTP_ADDR_REACHABLE; 268 net->dest_state &= ~SCTP_ADDR_PF; 269 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 270 stcb, 0, 271 (void *)net, SCTP_SO_NOT_LOCKED); 272 } 273 SCTP_TCB_UNLOCK(stcb); 274 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 275 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 276 /* 277 * Here the peer is either playing tricks on us, including 278 * an address that belongs to someone who does not support 279 * SCTP OR was a userland implementation that shutdown and 280 * now is dead. In either case treat it like a OOTB abort 281 * with no TCB 282 */ 283 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 284#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 285 so = SCTP_INP_SO(inp); 286 atomic_add_int(&stcb->asoc.refcnt, 1); 287 SCTP_TCB_UNLOCK(stcb); 288 SCTP_SOCKET_LOCK(so, 1); 289 SCTP_TCB_LOCK(stcb); 290 atomic_subtract_int(&stcb->asoc.refcnt, 1); 291#endif 292 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 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, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 782 /* No unlock tcb assoc is gone */ 783 return (0); 784 } 785 if (TAILQ_EMPTY(&asoc->send_queue) && 786 TAILQ_EMPTY(&asoc->sent_queue) && 787 (asoc->stream_queue_cnt == 0)) { 788 /* there is nothing queued to send, so done */ 789 if (asoc->locked_on_sending) { 790 goto abort_anyway; 791 } 792 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 793 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 794 /* only send SHUTDOWN 1st time thru */ 795 struct sctp_nets *netp; 796 797 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 802 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 803 sctp_stop_timers_for_shutdown(stcb); 804 if (stcb->asoc.alternate) { 805 netp = stcb->asoc.alternate; 806 } else { 807 netp = stcb->asoc.primary_destination; 808 } 809 sctp_send_shutdown(stcb, netp); 810 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 811 stcb->sctp_ep, stcb, netp); 812 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 813 stcb->sctp_ep, stcb, netp); 814 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 815 } 816 } else { 817 /* 818 * we still got (or just got) data to send, 819 * so set SHUTDOWN_PENDING 820 */ 821 /* 822 * XXX sockets draft says that SCTP_EOF 823 * should be sent with no data. currently, 824 * we will allow user data to be sent first 825 * and move to SHUTDOWN-PENDING 826 */ 827 struct sctp_nets *netp; 828 829 if (stcb->asoc.alternate) { 830 netp = stcb->asoc.alternate; 831 } else { 832 netp = stcb->asoc.primary_destination; 833 } 834 835 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 836 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 837 netp); 838 if (asoc->locked_on_sending) { 839 /* Locked to send out the data */ 840 struct sctp_stream_queue_pending *sp; 841 842 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 843 if (sp == NULL) { 844 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 845 asoc->locked_on_sending->stream_no); 846 } else { 847 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 848 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 849 } 850 } 851 if (TAILQ_EMPTY(&asoc->send_queue) && 852 TAILQ_EMPTY(&asoc->sent_queue) && 853 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 854 struct mbuf *op_err; 855 856 abort_anyway: 857 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 858 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 859 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 860 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 861 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 862 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 863 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 864 } 865 SCTP_INP_RUNLOCK(inp); 866 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 867 return (0); 868 } else { 869 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 870 } 871 } 872 soisdisconnecting(so); 873 SCTP_TCB_UNLOCK(stcb); 874 SCTP_INP_RUNLOCK(inp); 875 return (0); 876 } 877 /* not reached */ 878 } else { 879 /* UDP model does not support this */ 880 SCTP_INP_RUNLOCK(inp); 881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 882 return (EOPNOTSUPP); 883 } 884} 885 886int 887sctp_flush(struct socket *so, int how) 888{ 889 /* 890 * We will just clear out the values and let subsequent close clear 891 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 892 * they will not be able to read the data, the socket will block 893 * that from happening. 894 */ 895 struct sctp_inpcb *inp; 896 897 inp = (struct sctp_inpcb *)so->so_pcb; 898 if (inp == NULL) { 899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 900 return (EINVAL); 901 } 902 SCTP_INP_RLOCK(inp); 903 /* For the 1 to many model this does nothing */ 904 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 905 SCTP_INP_RUNLOCK(inp); 906 return (0); 907 } 908 SCTP_INP_RUNLOCK(inp); 909 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 910 /* 911 * First make sure the sb will be happy, we don't use these 912 * except maybe the count 913 */ 914 SCTP_INP_WLOCK(inp); 915 SCTP_INP_READ_LOCK(inp); 916 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 917 SCTP_INP_READ_UNLOCK(inp); 918 SCTP_INP_WUNLOCK(inp); 919 so->so_rcv.sb_cc = 0; 920 so->so_rcv.sb_mbcnt = 0; 921 so->so_rcv.sb_mb = NULL; 922 } 923 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 924 /* 925 * First make sure the sb will be happy, we don't use these 926 * except maybe the count 927 */ 928 so->so_snd.sb_cc = 0; 929 so->so_snd.sb_mbcnt = 0; 930 so->so_snd.sb_mb = NULL; 931 932 } 933 return (0); 934} 935 936int 937sctp_shutdown(struct socket *so) 938{ 939 struct sctp_inpcb *inp; 940 941 inp = (struct sctp_inpcb *)so->so_pcb; 942 if (inp == NULL) { 943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 944 return (EINVAL); 945 } 946 SCTP_INP_RLOCK(inp); 947 /* For UDP model this is a invalid call */ 948 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 950 /* Restore the flags that the soshutdown took away. */ 951 SOCKBUF_LOCK(&so->so_rcv); 952 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 953 SOCKBUF_UNLOCK(&so->so_rcv); 954 /* This proc will wakeup for read and do nothing (I hope) */ 955 SCTP_INP_RUNLOCK(inp); 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 957 return (EOPNOTSUPP); 958 } 959 /* 960 * Ok if we reach here its the TCP model and it is either a SHUT_WR 961 * or SHUT_RDWR. This means we put the shutdown flag against it. 962 */ 963 { 964 struct sctp_tcb *stcb; 965 struct sctp_association *asoc; 966 967 if ((so->so_state & 968 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 969 SCTP_INP_RUNLOCK(inp); 970 return (ENOTCONN); 971 } 972 socantsendmore(so); 973 974 stcb = LIST_FIRST(&inp->sctp_asoc_list); 975 if (stcb == NULL) { 976 /* 977 * Ok we hit the case that the shutdown call was 978 * made after an abort or something. Nothing to do 979 * now. 980 */ 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 SCTP_TCB_LOCK(stcb); 985 asoc = &stcb->asoc; 986 if (TAILQ_EMPTY(&asoc->send_queue) && 987 TAILQ_EMPTY(&asoc->sent_queue) && 988 (asoc->stream_queue_cnt == 0)) { 989 if (asoc->locked_on_sending) { 990 goto abort_anyway; 991 } 992 /* there is nothing queued to send, so I'm done... */ 993 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 994 /* only send SHUTDOWN the first time through */ 995 struct sctp_nets *netp; 996 997 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 998 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 999 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1000 } 1001 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1002 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1003 sctp_stop_timers_for_shutdown(stcb); 1004 if (stcb->asoc.alternate) { 1005 netp = stcb->asoc.alternate; 1006 } else { 1007 netp = stcb->asoc.primary_destination; 1008 } 1009 sctp_send_shutdown(stcb, netp); 1010 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1011 stcb->sctp_ep, stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1015 } 1016 } else { 1017 /* 1018 * we still got (or just got) data to send, so set 1019 * SHUTDOWN_PENDING 1020 */ 1021 struct sctp_nets *netp; 1022 1023 if (stcb->asoc.alternate) { 1024 netp = stcb->asoc.alternate; 1025 } else { 1026 netp = stcb->asoc.primary_destination; 1027 } 1028 1029 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1030 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1031 netp); 1032 1033 if (asoc->locked_on_sending) { 1034 /* Locked to send out the data */ 1035 struct sctp_stream_queue_pending *sp; 1036 1037 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1038 if (sp == NULL) { 1039 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1040 asoc->locked_on_sending->stream_no); 1041 } else { 1042 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1043 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1044 } 1045 } 1046 } 1047 if (TAILQ_EMPTY(&asoc->send_queue) && 1048 TAILQ_EMPTY(&asoc->sent_queue) && 1049 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1050 struct mbuf *op_err; 1051 1052 abort_anyway: 1053 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1054 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1055 sctp_abort_an_association(stcb->sctp_ep, stcb, 1056 op_err, SCTP_SO_LOCKED); 1057 goto skip_unlock; 1058 } else { 1059 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1060 } 1061 } 1062 SCTP_TCB_UNLOCK(stcb); 1063 } 1064skip_unlock: 1065 SCTP_INP_RUNLOCK(inp); 1066 return (0); 1067} 1068 1069/* 1070 * copies a "user" presentable address and removes embedded scope, etc. 1071 * returns 0 on success, 1 on error 1072 */ 1073static uint32_t 1074sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1075{ 1076#ifdef INET6 1077 struct sockaddr_in6 lsa6; 1078 1079 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1080 &lsa6); 1081#endif 1082 memcpy(ss, sa, sa->sa_len); 1083 return (0); 1084} 1085 1086 1087 1088/* 1089 * NOTE: assumes addr lock is held 1090 */ 1091static size_t 1092sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1093 struct sctp_tcb *stcb, 1094 size_t limit, 1095 struct sockaddr_storage *sas, 1096 uint32_t vrf_id) 1097{ 1098 struct sctp_ifn *sctp_ifn; 1099 struct sctp_ifa *sctp_ifa; 1100 size_t actual; 1101 int loopback_scope; 1102 1103#if defined(INET) 1104 int ipv4_local_scope, ipv4_addr_legal; 1105 1106#endif 1107#if defined(INET6) 1108 int local_scope, site_scope, ipv6_addr_legal; 1109 1110#endif 1111 struct sctp_vrf *vrf; 1112 1113 actual = 0; 1114 if (limit <= 0) 1115 return (actual); 1116 1117 if (stcb) { 1118 /* Turn on all the appropriate scope */ 1119 loopback_scope = stcb->asoc.scope.loopback_scope; 1120#if defined(INET) 1121 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1122 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1123#endif 1124#if defined(INET6) 1125 local_scope = stcb->asoc.scope.local_scope; 1126 site_scope = stcb->asoc.scope.site_scope; 1127 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1128#endif 1129 } else { 1130 /* Use generic values for endpoints. */ 1131 loopback_scope = 1; 1132#if defined(INET) 1133 ipv4_local_scope = 1; 1134#endif 1135#if defined(INET6) 1136 local_scope = 1; 1137 site_scope = 1; 1138#endif 1139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1140#if defined(INET6) 1141 ipv6_addr_legal = 1; 1142#endif 1143#if defined(INET) 1144 if (SCTP_IPV6_V6ONLY(inp)) { 1145 ipv4_addr_legal = 0; 1146 } else { 1147 ipv4_addr_legal = 1; 1148 } 1149#endif 1150 } else { 1151#if defined(INET6) 1152 ipv6_addr_legal = 0; 1153#endif 1154#if defined(INET) 1155 ipv4_addr_legal = 1; 1156#endif 1157 } 1158 } 1159 vrf = sctp_find_vrf(vrf_id); 1160 if (vrf == NULL) { 1161 return (0); 1162 } 1163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1164 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1165 if ((loopback_scope == 0) && 1166 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1167 /* Skip loopback if loopback_scope not set */ 1168 continue; 1169 } 1170 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1171 if (stcb) { 1172 /* 1173 * For the BOUND-ALL case, the list 1174 * associated with a TCB is Always 1175 * considered a reverse list.. i.e. 1176 * it lists addresses that are NOT 1177 * part of the association. If this 1178 * is one of those we must skip it. 1179 */ 1180 if (sctp_is_addr_restricted(stcb, 1181 sctp_ifa)) { 1182 continue; 1183 } 1184 } 1185 switch (sctp_ifa->address.sa.sa_family) { 1186#ifdef INET 1187 case AF_INET: 1188 if (ipv4_addr_legal) { 1189 struct sockaddr_in *sin; 1190 1191 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1192 if (sin->sin_addr.s_addr == 0) { 1193 /* 1194 * we skip 1195 * unspecifed 1196 * addresses 1197 */ 1198 continue; 1199 } 1200 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1201 &sin->sin_addr) != 0) { 1202 continue; 1203 } 1204 if ((ipv4_local_scope == 0) && 1205 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1206 continue; 1207 } 1208#ifdef INET6 1209 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1210 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1211 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1212 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1213 actual += sizeof(struct sockaddr_in6); 1214 } else { 1215#endif 1216 memcpy(sas, sin, sizeof(*sin)); 1217 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1218 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1219 actual += sizeof(*sin); 1220#ifdef INET6 1221 } 1222#endif 1223 if (actual >= limit) { 1224 return (actual); 1225 } 1226 } else { 1227 continue; 1228 } 1229 break; 1230#endif 1231#ifdef INET6 1232 case AF_INET6: 1233 if (ipv6_addr_legal) { 1234 struct sockaddr_in6 *sin6; 1235 1236 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1237 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1238 /* 1239 * we skip 1240 * unspecifed 1241 * addresses 1242 */ 1243 continue; 1244 } 1245 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1246 &sin6->sin6_addr) != 0) { 1247 continue; 1248 } 1249 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1250 if (local_scope == 0) 1251 continue; 1252 if (sin6->sin6_scope_id == 0) { 1253 if (sa6_recoverscope(sin6) != 0) 1254 /* 1255 * 1256 * bad 1257 * 1258 * li 1259 * nk 1260 * 1261 * loc 1262 * al 1263 * 1264 * add 1265 * re 1266 * ss 1267 * */ 1268 continue; 1269 } 1270 } 1271 if ((site_scope == 0) && 1272 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1273 continue; 1274 } 1275 memcpy(sas, sin6, sizeof(*sin6)); 1276 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1277 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1278 actual += sizeof(*sin6); 1279 if (actual >= limit) { 1280 return (actual); 1281 } 1282 } else { 1283 continue; 1284 } 1285 break; 1286#endif 1287 default: 1288 /* TSNH */ 1289 break; 1290 } 1291 } 1292 } 1293 } else { 1294 struct sctp_laddr *laddr; 1295 1296 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1297 if (stcb) { 1298 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1299 continue; 1300 } 1301 } 1302 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1303 continue; 1304 switch (laddr->ifa->address.sa.sa_family) { 1305#ifdef INET 1306 case AF_INET: 1307 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1308 break; 1309#endif 1310#ifdef INET6 1311 case AF_INET6: 1312 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1313 break; 1314#endif 1315 default: 1316 /* TSNH */ 1317 break; 1318 } 1319 sas = (struct sockaddr_storage *)((caddr_t)sas + 1320 laddr->ifa->address.sa.sa_len); 1321 actual += laddr->ifa->address.sa.sa_len; 1322 if (actual >= limit) { 1323 return (actual); 1324 } 1325 } 1326 } 1327 return (actual); 1328} 1329 1330static size_t 1331sctp_fill_up_addresses(struct sctp_inpcb *inp, 1332 struct sctp_tcb *stcb, 1333 size_t limit, 1334 struct sockaddr_storage *sas) 1335{ 1336 size_t size = 0; 1337 1338 SCTP_IPI_ADDR_RLOCK(); 1339 /* fill up addresses for the endpoint's default vrf */ 1340 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1341 inp->def_vrf_id); 1342 SCTP_IPI_ADDR_RUNLOCK(); 1343 return (size); 1344} 1345 1346/* 1347 * NOTE: assumes addr lock is held 1348 */ 1349static int 1350sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1351{ 1352 int cnt = 0; 1353 struct sctp_vrf *vrf = NULL; 1354 1355 /* 1356 * In both sub-set bound an bound_all cases we return the MAXIMUM 1357 * number of addresses that you COULD get. In reality the sub-set 1358 * bound may have an exclusion list for a given TCB OR in the 1359 * bound-all case a TCB may NOT include the loopback or other 1360 * addresses as well. 1361 */ 1362 vrf = sctp_find_vrf(vrf_id); 1363 if (vrf == NULL) { 1364 return (0); 1365 } 1366 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1367 struct sctp_ifn *sctp_ifn; 1368 struct sctp_ifa *sctp_ifa; 1369 1370 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1371 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1372 /* Count them if they are the right type */ 1373 switch (sctp_ifa->address.sa.sa_family) { 1374#ifdef INET 1375 case AF_INET: 1376 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1377 cnt += sizeof(struct sockaddr_in6); 1378 else 1379 cnt += sizeof(struct sockaddr_in); 1380 break; 1381#endif 1382#ifdef INET6 1383 case AF_INET6: 1384 cnt += sizeof(struct sockaddr_in6); 1385 break; 1386#endif 1387 default: 1388 break; 1389 } 1390 } 1391 } 1392 } else { 1393 struct sctp_laddr *laddr; 1394 1395 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1396 switch (laddr->ifa->address.sa.sa_family) { 1397#ifdef INET 1398 case AF_INET: 1399 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1400 cnt += sizeof(struct sockaddr_in6); 1401 else 1402 cnt += sizeof(struct sockaddr_in); 1403 break; 1404#endif 1405#ifdef INET6 1406 case AF_INET6: 1407 cnt += sizeof(struct sockaddr_in6); 1408 break; 1409#endif 1410 default: 1411 break; 1412 } 1413 } 1414 } 1415 return (cnt); 1416} 1417 1418static int 1419sctp_count_max_addresses(struct sctp_inpcb *inp) 1420{ 1421 int cnt = 0; 1422 1423 SCTP_IPI_ADDR_RLOCK(); 1424 /* count addresses for the endpoint's default VRF */ 1425 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1426 SCTP_IPI_ADDR_RUNLOCK(); 1427 return (cnt); 1428} 1429 1430static int 1431sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1432 size_t optsize, void *p, int delay) 1433{ 1434 int error = 0; 1435 int creat_lock_on = 0; 1436 struct sctp_tcb *stcb = NULL; 1437 struct sockaddr *sa; 1438 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1439 uint32_t vrf_id; 1440 int bad_addresses = 0; 1441 sctp_assoc_t *a_id; 1442 1443 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1444 1445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1446 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1447 /* We are already connected AND the TCP model */ 1448 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1449 return (EADDRINUSE); 1450 } 1451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1452 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1454 return (EINVAL); 1455 } 1456 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1457 SCTP_INP_RLOCK(inp); 1458 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1459 SCTP_INP_RUNLOCK(inp); 1460 } 1461 if (stcb) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1463 return (EALREADY); 1464 } 1465 SCTP_INP_INCR_REF(inp); 1466 SCTP_ASOC_CREATE_LOCK(inp); 1467 creat_lock_on = 1; 1468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1469 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1470 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1471 error = EFAULT; 1472 goto out_now; 1473 } 1474 totaddrp = (int *)optval; 1475 totaddr = *totaddrp; 1476 sa = (struct sockaddr *)(totaddrp + 1); 1477 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1478 if ((stcb != NULL) || bad_addresses) { 1479 /* Already have or am bring up an association */ 1480 SCTP_ASOC_CREATE_UNLOCK(inp); 1481 creat_lock_on = 0; 1482 if (stcb) 1483 SCTP_TCB_UNLOCK(stcb); 1484 if (bad_addresses == 0) { 1485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1486 error = EALREADY; 1487 } 1488 goto out_now; 1489 } 1490#ifdef INET6 1491 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1492 (num_v6 > 0)) { 1493 error = EINVAL; 1494 goto out_now; 1495 } 1496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1497 (num_v4 > 0)) { 1498 struct in6pcb *inp6; 1499 1500 inp6 = (struct in6pcb *)inp; 1501 if (SCTP_IPV6_V6ONLY(inp6)) { 1502 /* 1503 * if IPV6_V6ONLY flag, ignore connections destined 1504 * to a v4 addr or v4-mapped addr 1505 */ 1506 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1507 error = EINVAL; 1508 goto out_now; 1509 } 1510 } 1511#endif /* INET6 */ 1512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1513 SCTP_PCB_FLAGS_UNBOUND) { 1514 /* Bind a ephemeral port */ 1515 error = sctp_inpcb_bind(so, NULL, NULL, p); 1516 if (error) { 1517 goto out_now; 1518 } 1519 } 1520 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1521 vrf_id = inp->def_vrf_id; 1522 1523 1524 /* We are GOOD to go */ 1525 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1526 (struct thread *)p 1527 ); 1528 if (stcb == NULL) { 1529 /* Gak! no memory */ 1530 goto out_now; 1531 } 1532 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1533 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1534 /* Set the connected flag so we can queue data */ 1535 soisconnecting(so); 1536 } 1537 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1538 /* move to second address */ 1539 switch (sa->sa_family) { 1540#ifdef INET 1541 case AF_INET: 1542 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1543 break; 1544#endif 1545#ifdef INET6 1546 case AF_INET6: 1547 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1548 break; 1549#endif 1550 default: 1551 break; 1552 } 1553 1554 error = 0; 1555 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1556 /* Fill in the return id */ 1557 if (error) { 1558 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1559 goto out_now; 1560 } 1561 a_id = (sctp_assoc_t *) optval; 1562 *a_id = sctp_get_associd(stcb); 1563 1564 /* initialize authentication parameters for the assoc */ 1565 sctp_initialize_auth_params(inp, stcb); 1566 1567 if (delay) { 1568 /* doing delayed connection */ 1569 stcb->asoc.delayed_connection = 1; 1570 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1571 } else { 1572 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1573 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1574 } 1575 SCTP_TCB_UNLOCK(stcb); 1576 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1577 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1578 /* Set the connected flag so we can queue data */ 1579 soisconnecting(so); 1580 } 1581out_now: 1582 if (creat_lock_on) { 1583 SCTP_ASOC_CREATE_UNLOCK(inp); 1584 } 1585 SCTP_INP_DECR_REF(inp); 1586 return (error); 1587} 1588 1589#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1592 SCTP_INP_RLOCK(inp); \ 1593 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1594 if (stcb) { \ 1595 SCTP_TCB_LOCK(stcb); \ 1596 } \ 1597 SCTP_INP_RUNLOCK(inp); \ 1598 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1599 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1600 if (stcb == NULL) { \ 1601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1602 error = ENOENT; \ 1603 break; \ 1604 } \ 1605 } else { \ 1606 stcb = NULL; \ 1607 } \ 1608 } 1609 1610 1611#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1612 if (size < sizeof(type)) { \ 1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1614 error = EINVAL; \ 1615 break; \ 1616 } else { \ 1617 destp = (type *)srcp; \ 1618 } \ 1619 } 1620 1621static int 1622sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1623 void *p) 1624{ 1625 struct sctp_inpcb *inp = NULL; 1626 int error, val = 0; 1627 struct sctp_tcb *stcb = NULL; 1628 1629 if (optval == NULL) { 1630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1631 return (EINVAL); 1632 } 1633 inp = (struct sctp_inpcb *)so->so_pcb; 1634 if (inp == NULL) { 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1636 return EINVAL; 1637 } 1638 error = 0; 1639 1640 switch (optname) { 1641 case SCTP_NODELAY: 1642 case SCTP_AUTOCLOSE: 1643 case SCTP_EXPLICIT_EOR: 1644 case SCTP_AUTO_ASCONF: 1645 case SCTP_DISABLE_FRAGMENTS: 1646 case SCTP_I_WANT_MAPPED_V4_ADDR: 1647 case SCTP_USE_EXT_RCVINFO: 1648 SCTP_INP_RLOCK(inp); 1649 switch (optname) { 1650 case SCTP_DISABLE_FRAGMENTS: 1651 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1652 break; 1653 case SCTP_I_WANT_MAPPED_V4_ADDR: 1654 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1655 break; 1656 case SCTP_AUTO_ASCONF: 1657 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1658 /* only valid for bound all sockets */ 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1660 } else { 1661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1662 error = EINVAL; 1663 goto flags_out; 1664 } 1665 break; 1666 case SCTP_EXPLICIT_EOR: 1667 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1668 break; 1669 case SCTP_NODELAY: 1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1671 break; 1672 case SCTP_USE_EXT_RCVINFO: 1673 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1674 break; 1675 case SCTP_AUTOCLOSE: 1676 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1677 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1678 else 1679 val = 0; 1680 break; 1681 1682 default: 1683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1684 error = ENOPROTOOPT; 1685 } /* end switch (sopt->sopt_name) */ 1686 if (*optsize < sizeof(val)) { 1687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1688 error = EINVAL; 1689 } 1690flags_out: 1691 SCTP_INP_RUNLOCK(inp); 1692 if (error == 0) { 1693 /* return the option value */ 1694 *(int *)optval = val; 1695 *optsize = sizeof(val); 1696 } 1697 break; 1698 case SCTP_GET_PACKET_LOG: 1699 { 1700#ifdef SCTP_PACKET_LOGGING 1701 uint8_t *target; 1702 int ret; 1703 1704 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1705 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1706 *optsize = ret; 1707#else 1708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1709 error = EOPNOTSUPP; 1710#endif 1711 break; 1712 } 1713 case SCTP_REUSE_PORT: 1714 { 1715 uint32_t *value; 1716 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1718 /* Can't do this for a 1-m socket */ 1719 error = EINVAL; 1720 break; 1721 } 1722 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1723 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1724 *optsize = sizeof(uint32_t); 1725 break; 1726 } 1727 case SCTP_PARTIAL_DELIVERY_POINT: 1728 { 1729 uint32_t *value; 1730 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = inp->partial_delivery_point; 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_FRAGMENT_INTERLEAVE: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1742 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1743 *value = SCTP_FRAG_LEVEL_2; 1744 } else { 1745 *value = SCTP_FRAG_LEVEL_1; 1746 } 1747 } else { 1748 *value = SCTP_FRAG_LEVEL_0; 1749 } 1750 *optsize = sizeof(uint32_t); 1751 break; 1752 } 1753 case SCTP_CMT_ON_OFF: 1754 { 1755 struct sctp_assoc_value *av; 1756 1757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1759 if (stcb) { 1760 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1761 SCTP_TCB_UNLOCK(stcb); 1762 } else { 1763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1764 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1765 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1766 SCTP_INP_RLOCK(inp); 1767 av->assoc_value = inp->sctp_cmt_on_off; 1768 SCTP_INP_RUNLOCK(inp); 1769 } else { 1770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1771 error = EINVAL; 1772 } 1773 } 1774 if (error == 0) { 1775 *optsize = sizeof(struct sctp_assoc_value); 1776 } 1777 break; 1778 } 1779 case SCTP_PLUGGABLE_CC: 1780 { 1781 struct sctp_assoc_value *av; 1782 1783 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1784 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1785 if (stcb) { 1786 av->assoc_value = stcb->asoc.congestion_control_module; 1787 SCTP_TCB_UNLOCK(stcb); 1788 } else { 1789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1791 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1792 SCTP_INP_RLOCK(inp); 1793 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1794 SCTP_INP_RUNLOCK(inp); 1795 } else { 1796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1797 error = EINVAL; 1798 } 1799 } 1800 if (error == 0) { 1801 *optsize = sizeof(struct sctp_assoc_value); 1802 } 1803 break; 1804 } 1805 case SCTP_CC_OPTION: 1806 { 1807 struct sctp_cc_option *cc_opt; 1808 1809 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1810 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1811 if (stcb == NULL) { 1812 error = EINVAL; 1813 } else { 1814 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1815 error = ENOTSUP; 1816 } else { 1817 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1818 *optsize = sizeof(struct sctp_cc_option); 1819 } 1820 SCTP_TCB_UNLOCK(stcb); 1821 } 1822 break; 1823 } 1824 case SCTP_PLUGGABLE_SS: 1825 { 1826 struct sctp_assoc_value *av; 1827 1828 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1829 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1830 if (stcb) { 1831 av->assoc_value = stcb->asoc.stream_scheduling_module; 1832 SCTP_TCB_UNLOCK(stcb); 1833 } else { 1834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1836 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1837 SCTP_INP_RLOCK(inp); 1838 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1839 SCTP_INP_RUNLOCK(inp); 1840 } else { 1841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1842 error = EINVAL; 1843 } 1844 } 1845 if (error == 0) { 1846 *optsize = sizeof(struct sctp_assoc_value); 1847 } 1848 break; 1849 } 1850 case SCTP_SS_VALUE: 1851 { 1852 struct sctp_stream_value *av; 1853 1854 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1855 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1856 if (stcb) { 1857 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1858 &av->stream_value) < 0) { 1859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1860 error = EINVAL; 1861 } else { 1862 *optsize = sizeof(struct sctp_stream_value); 1863 } 1864 SCTP_TCB_UNLOCK(stcb); 1865 } else { 1866 /* 1867 * Can't get stream value without 1868 * association 1869 */ 1870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1871 error = EINVAL; 1872 } 1873 break; 1874 } 1875 case SCTP_GET_ADDR_LEN: 1876 { 1877 struct sctp_assoc_value *av; 1878 1879 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1880 error = EINVAL; 1881#ifdef INET 1882 if (av->assoc_value == AF_INET) { 1883 av->assoc_value = sizeof(struct sockaddr_in); 1884 error = 0; 1885 } 1886#endif 1887#ifdef INET6 1888 if (av->assoc_value == AF_INET6) { 1889 av->assoc_value = sizeof(struct sockaddr_in6); 1890 error = 0; 1891 } 1892#endif 1893 if (error) { 1894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1895 } else { 1896 *optsize = sizeof(struct sctp_assoc_value); 1897 } 1898 break; 1899 } 1900 case SCTP_GET_ASSOC_NUMBER: 1901 { 1902 uint32_t *value, cnt; 1903 1904 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1905 cnt = 0; 1906 SCTP_INP_RLOCK(inp); 1907 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1908 cnt++; 1909 } 1910 SCTP_INP_RUNLOCK(inp); 1911 *value = cnt; 1912 *optsize = sizeof(uint32_t); 1913 break; 1914 } 1915 case SCTP_GET_ASSOC_ID_LIST: 1916 { 1917 struct sctp_assoc_ids *ids; 1918 unsigned int at, limit; 1919 1920 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1921 at = 0; 1922 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1923 SCTP_INP_RLOCK(inp); 1924 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1925 if (at < limit) { 1926 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1927 } else { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 break; 1931 } 1932 } 1933 SCTP_INP_RUNLOCK(inp); 1934 if (error == 0) { 1935 ids->gaids_number_of_ids = at; 1936 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1937 } 1938 break; 1939 } 1940 case SCTP_CONTEXT: 1941 { 1942 struct sctp_assoc_value *av; 1943 1944 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1946 1947 if (stcb) { 1948 av->assoc_value = stcb->asoc.context; 1949 SCTP_TCB_UNLOCK(stcb); 1950 } else { 1951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1952 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1953 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1954 SCTP_INP_RLOCK(inp); 1955 av->assoc_value = inp->sctp_context; 1956 SCTP_INP_RUNLOCK(inp); 1957 } else { 1958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1959 error = EINVAL; 1960 } 1961 } 1962 if (error == 0) { 1963 *optsize = sizeof(struct sctp_assoc_value); 1964 } 1965 break; 1966 } 1967 case SCTP_VRF_ID: 1968 { 1969 uint32_t *default_vrfid; 1970 1971 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1972 *default_vrfid = inp->def_vrf_id; 1973 *optsize = sizeof(uint32_t); 1974 break; 1975 } 1976 case SCTP_GET_ASOC_VRF: 1977 { 1978 struct sctp_assoc_value *id; 1979 1980 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1981 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1982 if (stcb == NULL) { 1983 error = EINVAL; 1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1985 } else { 1986 id->assoc_value = stcb->asoc.vrf_id; 1987 *optsize = sizeof(struct sctp_assoc_value); 1988 } 1989 break; 1990 } 1991 case SCTP_GET_VRF_IDS: 1992 { 1993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1994 error = EOPNOTSUPP; 1995 break; 1996 } 1997 case SCTP_GET_NONCE_VALUES: 1998 { 1999 struct sctp_get_nonce_values *gnv; 2000 2001 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2002 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2003 2004 if (stcb) { 2005 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2006 gnv->gn_local_tag = stcb->asoc.my_vtag; 2007 SCTP_TCB_UNLOCK(stcb); 2008 *optsize = sizeof(struct sctp_get_nonce_values); 2009 } else { 2010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2011 error = ENOTCONN; 2012 } 2013 break; 2014 } 2015 case SCTP_DELAYED_SACK: 2016 { 2017 struct sctp_sack_info *sack; 2018 2019 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2020 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2021 if (stcb) { 2022 sack->sack_delay = stcb->asoc.delayed_ack; 2023 sack->sack_freq = stcb->asoc.sack_freq; 2024 SCTP_TCB_UNLOCK(stcb); 2025 } else { 2026 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2027 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2028 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2029 SCTP_INP_RLOCK(inp); 2030 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2031 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2032 SCTP_INP_RUNLOCK(inp); 2033 } else { 2034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2035 error = EINVAL; 2036 } 2037 } 2038 if (error == 0) { 2039 *optsize = sizeof(struct sctp_sack_info); 2040 } 2041 break; 2042 } 2043 case SCTP_GET_SNDBUF_USE: 2044 { 2045 struct sctp_sockstat *ss; 2046 2047 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2048 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2049 2050 if (stcb) { 2051 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2052 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2053 stcb->asoc.size_on_all_streams); 2054 SCTP_TCB_UNLOCK(stcb); 2055 *optsize = sizeof(struct sctp_sockstat); 2056 } else { 2057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2058 error = ENOTCONN; 2059 } 2060 break; 2061 } 2062 case SCTP_MAX_BURST: 2063 { 2064 struct sctp_assoc_value *av; 2065 2066 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2067 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2068 2069 if (stcb) { 2070 av->assoc_value = stcb->asoc.max_burst; 2071 SCTP_TCB_UNLOCK(stcb); 2072 } else { 2073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2075 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2076 SCTP_INP_RLOCK(inp); 2077 av->assoc_value = inp->sctp_ep.max_burst; 2078 SCTP_INP_RUNLOCK(inp); 2079 } else { 2080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2081 error = EINVAL; 2082 } 2083 } 2084 if (error == 0) { 2085 *optsize = sizeof(struct sctp_assoc_value); 2086 } 2087 break; 2088 } 2089 case SCTP_MAXSEG: 2090 { 2091 struct sctp_assoc_value *av; 2092 int ovh; 2093 2094 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2095 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2096 2097 if (stcb) { 2098 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2099 SCTP_TCB_UNLOCK(stcb); 2100 } else { 2101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2103 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2104 SCTP_INP_RLOCK(inp); 2105 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2106 ovh = SCTP_MED_OVERHEAD; 2107 } else { 2108 ovh = SCTP_MED_V4_OVERHEAD; 2109 } 2110 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2111 av->assoc_value = 0; 2112 else 2113 av->assoc_value = inp->sctp_frag_point - ovh; 2114 SCTP_INP_RUNLOCK(inp); 2115 } else { 2116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2117 error = EINVAL; 2118 } 2119 } 2120 if (error == 0) { 2121 *optsize = sizeof(struct sctp_assoc_value); 2122 } 2123 break; 2124 } 2125 case SCTP_GET_STAT_LOG: 2126 error = sctp_fill_stat_log(optval, optsize); 2127 break; 2128 case SCTP_EVENTS: 2129 { 2130 struct sctp_event_subscribe *events; 2131 2132 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2133 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2134 SCTP_INP_RLOCK(inp); 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2136 events->sctp_data_io_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2139 events->sctp_association_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2142 events->sctp_address_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2145 events->sctp_send_failure_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2148 events->sctp_peer_error_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2151 events->sctp_shutdown_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2154 events->sctp_partial_delivery_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2157 events->sctp_adaptation_layer_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2160 events->sctp_authentication_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2163 events->sctp_sender_dry_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2166 events->sctp_stream_reset_event = 1; 2167 SCTP_INP_RUNLOCK(inp); 2168 *optsize = sizeof(struct sctp_event_subscribe); 2169 break; 2170 } 2171 case SCTP_ADAPTATION_LAYER: 2172 { 2173 uint32_t *value; 2174 2175 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2176 2177 SCTP_INP_RLOCK(inp); 2178 *value = inp->sctp_ep.adaptation_layer_indicator; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(uint32_t); 2181 break; 2182 } 2183 case SCTP_SET_INITIAL_DBG_SEQ: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 SCTP_INP_RLOCK(inp); 2189 *value = inp->sctp_ep.initial_sequence_debug; 2190 SCTP_INP_RUNLOCK(inp); 2191 *optsize = sizeof(uint32_t); 2192 break; 2193 } 2194 case SCTP_GET_LOCAL_ADDR_SIZE: 2195 { 2196 uint32_t *value; 2197 2198 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2199 SCTP_INP_RLOCK(inp); 2200 *value = sctp_count_max_addresses(inp); 2201 SCTP_INP_RUNLOCK(inp); 2202 *optsize = sizeof(uint32_t); 2203 break; 2204 } 2205 case SCTP_GET_REMOTE_ADDR_SIZE: 2206 { 2207 uint32_t *value; 2208 size_t size; 2209 struct sctp_nets *net; 2210 2211 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2212 /* FIXME MT: change to sctp_assoc_value? */ 2213 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2214 2215 if (stcb) { 2216 size = 0; 2217 /* Count the sizes */ 2218 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2219 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2220 size += sizeof(struct sockaddr_in6); 2221 } else { 2222 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2223#ifdef INET 2224 case AF_INET: 2225 size += sizeof(struct sockaddr_in); 2226 break; 2227#endif 2228#ifdef INET6 2229 case AF_INET6: 2230 size += sizeof(struct sockaddr_in6); 2231 break; 2232#endif 2233 default: 2234 break; 2235 } 2236 } 2237 } 2238 SCTP_TCB_UNLOCK(stcb); 2239 *value = (uint32_t) size; 2240 *optsize = sizeof(uint32_t); 2241 } else { 2242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2243 error = ENOTCONN; 2244 } 2245 break; 2246 } 2247 case SCTP_GET_PEER_ADDRESSES: 2248 /* 2249 * Get the address information, an array is passed in to 2250 * fill up we pack it. 2251 */ 2252 { 2253 size_t cpsz, left; 2254 struct sockaddr_storage *sas; 2255 struct sctp_nets *net; 2256 struct sctp_getaddresses *saddr; 2257 2258 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2259 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2260 2261 if (stcb) { 2262 left = (*optsize) - sizeof(struct sctp_getaddresses); 2263 *optsize = sizeof(struct sctp_getaddresses); 2264 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2265 2266 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2267 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2268 cpsz = sizeof(struct sockaddr_in6); 2269 } else { 2270 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2271#ifdef INET 2272 case AF_INET: 2273 cpsz = sizeof(struct sockaddr_in); 2274 break; 2275#endif 2276#ifdef INET6 2277 case AF_INET6: 2278 cpsz = sizeof(struct sockaddr_in6); 2279 break; 2280#endif 2281 default: 2282 cpsz = 0; 2283 break; 2284 } 2285 } 2286 if (cpsz == 0) { 2287 break; 2288 } 2289 if (left < cpsz) { 2290 /* not enough room. */ 2291 break; 2292 } 2293#if defined(INET) && defined(INET6) 2294 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2295 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2296 /* Must map the address */ 2297 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2298 (struct sockaddr_in6 *)sas); 2299 } else { 2300#endif 2301 memcpy(sas, &net->ro._l_addr, cpsz); 2302#if defined(INET) && defined(INET6) 2303 } 2304#endif 2305 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2306 2307 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2308 left -= cpsz; 2309 *optsize += cpsz; 2310 } 2311 SCTP_TCB_UNLOCK(stcb); 2312 } else { 2313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2314 error = ENOENT; 2315 } 2316 break; 2317 } 2318 case SCTP_GET_LOCAL_ADDRESSES: 2319 { 2320 size_t limit, actual; 2321 struct sockaddr_storage *sas; 2322 struct sctp_getaddresses *saddr; 2323 2324 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2325 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2326 2327 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2328 limit = *optsize - sizeof(sctp_assoc_t); 2329 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2330 if (stcb) { 2331 SCTP_TCB_UNLOCK(stcb); 2332 } 2333 *optsize = sizeof(struct sockaddr_storage) + actual; 2334 break; 2335 } 2336 case SCTP_PEER_ADDR_PARAMS: 2337 { 2338 struct sctp_paddrparams *paddrp; 2339 struct sctp_nets *net; 2340 2341 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2342 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2343 2344 net = NULL; 2345 if (stcb) { 2346 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2347 } else { 2348 /* 2349 * We increment here since 2350 * sctp_findassociation_ep_addr() wil do a 2351 * decrement if it finds the stcb as long as 2352 * the locked tcb (last argument) is NOT a 2353 * TCB.. aka NULL. 2354 */ 2355 SCTP_INP_INCR_REF(inp); 2356 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2357 if (stcb == NULL) { 2358 SCTP_INP_DECR_REF(inp); 2359 } 2360 } 2361 if (stcb && (net == NULL)) { 2362 struct sockaddr *sa; 2363 2364 sa = (struct sockaddr *)&paddrp->spp_address; 2365#ifdef INET 2366 if (sa->sa_family == AF_INET) { 2367 struct sockaddr_in *sin; 2368 2369 sin = (struct sockaddr_in *)sa; 2370 if (sin->sin_addr.s_addr) { 2371 error = EINVAL; 2372 SCTP_TCB_UNLOCK(stcb); 2373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2374 break; 2375 } 2376 } else 2377#endif 2378#ifdef INET6 2379 if (sa->sa_family == AF_INET6) { 2380 struct sockaddr_in6 *sin6; 2381 2382 sin6 = (struct sockaddr_in6 *)sa; 2383 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2384 error = EINVAL; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } else 2390#endif 2391 { 2392 error = EAFNOSUPPORT; 2393 SCTP_TCB_UNLOCK(stcb); 2394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2395 break; 2396 } 2397 } 2398 if (stcb) { 2399 /* Applies to the specific association */ 2400 paddrp->spp_flags = 0; 2401 if (net) { 2402 int ovh; 2403 2404 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2405 ovh = SCTP_MED_OVERHEAD; 2406 } else { 2407 ovh = SCTP_MED_V4_OVERHEAD; 2408 } 2409 2410 paddrp->spp_hbinterval = net->heart_beat_delay; 2411 paddrp->spp_pathmaxrxt = net->failure_threshold; 2412 paddrp->spp_pathmtu = net->mtu - ovh; 2413 /* get flags for HB */ 2414 if (net->dest_state & SCTP_ADDR_NOHB) { 2415 paddrp->spp_flags |= SPP_HB_DISABLE; 2416 } else { 2417 paddrp->spp_flags |= SPP_HB_ENABLE; 2418 } 2419 /* get flags for PMTU */ 2420 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2421 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2422 } else { 2423 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2424 } 2425 if (net->dscp & 0x01) { 2426 paddrp->spp_dscp = net->dscp & 0xfc; 2427 paddrp->spp_flags |= SPP_DSCP; 2428 } 2429#ifdef INET6 2430 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2431 (net->flowlabel & 0x80000000)) { 2432 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2433 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2434 } 2435#endif 2436 } else { 2437 /* 2438 * No destination so return default 2439 * value 2440 */ 2441 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2442 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2443 if (stcb->asoc.default_dscp & 0x01) { 2444 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2445 paddrp->spp_flags |= SPP_DSCP; 2446 } 2447#ifdef INET6 2448 if (stcb->asoc.default_flowlabel & 0x80000000) { 2449 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2450 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2451 } 2452#endif 2453 /* default settings should be these */ 2454 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2455 paddrp->spp_flags |= SPP_HB_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } 2464 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2465 } 2466 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2467 SCTP_TCB_UNLOCK(stcb); 2468 } else { 2469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2471 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2472 /* Use endpoint defaults */ 2473 SCTP_INP_RLOCK(inp); 2474 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2475 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2476 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2477 /* get inp's default */ 2478 if (inp->sctp_ep.default_dscp & 0x01) { 2479 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2480 paddrp->spp_flags |= SPP_DSCP; 2481 } 2482#ifdef INET6 2483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2484 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2485 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488#endif 2489 /* can't return this */ 2490 paddrp->spp_pathmtu = 0; 2491 2492 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_ENABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } 2502 SCTP_INP_RUNLOCK(inp); 2503 } else { 2504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2505 error = EINVAL; 2506 } 2507 } 2508 if (error == 0) { 2509 *optsize = sizeof(struct sctp_paddrparams); 2510 } 2511 break; 2512 } 2513 case SCTP_GET_PEER_ADDR_INFO: 2514 { 2515 struct sctp_paddrinfo *paddri; 2516 struct sctp_nets *net; 2517 2518 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2519 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2520 2521 net = NULL; 2522 if (stcb) { 2523 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2524 } else { 2525 /* 2526 * We increment here since 2527 * sctp_findassociation_ep_addr() wil do a 2528 * decrement if it finds the stcb as long as 2529 * the locked tcb (last argument) is NOT a 2530 * TCB.. aka NULL. 2531 */ 2532 SCTP_INP_INCR_REF(inp); 2533 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2534 if (stcb == NULL) { 2535 SCTP_INP_DECR_REF(inp); 2536 } 2537 } 2538 2539 if ((stcb) && (net)) { 2540 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2541 /* It's unconfirmed */ 2542 paddri->spinfo_state = SCTP_UNCONFIRMED; 2543 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2544 /* It's active */ 2545 paddri->spinfo_state = SCTP_ACTIVE; 2546 } else { 2547 /* It's inactive */ 2548 paddri->spinfo_state = SCTP_INACTIVE; 2549 } 2550 paddri->spinfo_cwnd = net->cwnd; 2551 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2552 paddri->spinfo_rto = net->RTO; 2553 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2554 paddri->spinfo_mtu = net->mtu; 2555 SCTP_TCB_UNLOCK(stcb); 2556 *optsize = sizeof(struct sctp_paddrinfo); 2557 } else { 2558 if (stcb) { 2559 SCTP_TCB_UNLOCK(stcb); 2560 } 2561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2562 error = ENOENT; 2563 } 2564 break; 2565 } 2566 case SCTP_PCB_STATUS: 2567 { 2568 struct sctp_pcbinfo *spcb; 2569 2570 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2571 sctp_fill_pcbinfo(spcb); 2572 *optsize = sizeof(struct sctp_pcbinfo); 2573 break; 2574 } 2575 case SCTP_STATUS: 2576 { 2577 struct sctp_nets *net; 2578 struct sctp_status *sstat; 2579 2580 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2581 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2582 2583 if (stcb == NULL) { 2584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2585 error = EINVAL; 2586 break; 2587 } 2588 /* 2589 * I think passing the state is fine since 2590 * sctp_constants.h will be available to the user 2591 * land. 2592 */ 2593 sstat->sstat_state = stcb->asoc.state; 2594 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2595 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2596 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2597 /* 2598 * We can't include chunks that have been passed to 2599 * the socket layer. Only things in queue. 2600 */ 2601 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2602 stcb->asoc.cnt_on_all_streams); 2603 2604 2605 sstat->sstat_instrms = stcb->asoc.streamincnt; 2606 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2607 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2608 memcpy(&sstat->sstat_primary.spinfo_address, 2609 &stcb->asoc.primary_destination->ro._l_addr, 2610 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2611 net = stcb->asoc.primary_destination; 2612 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2613 /* 2614 * Again the user can get info from sctp_constants.h 2615 * for what the state of the network is. 2616 */ 2617 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2618 /* It's unconfirmed */ 2619 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2620 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2621 /* It's active */ 2622 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2623 } else { 2624 /* It's inactive */ 2625 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2626 } 2627 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2628 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2629 sstat->sstat_primary.spinfo_rto = net->RTO; 2630 sstat->sstat_primary.spinfo_mtu = net->mtu; 2631 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2632 SCTP_TCB_UNLOCK(stcb); 2633 *optsize = sizeof(struct sctp_status); 2634 break; 2635 } 2636 case SCTP_RTOINFO: 2637 { 2638 struct sctp_rtoinfo *srto; 2639 2640 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2641 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2642 2643 if (stcb) { 2644 srto->srto_initial = stcb->asoc.initial_rto; 2645 srto->srto_max = stcb->asoc.maxrto; 2646 srto->srto_min = stcb->asoc.minrto; 2647 SCTP_TCB_UNLOCK(stcb); 2648 } else { 2649 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2650 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2651 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2652 SCTP_INP_RLOCK(inp); 2653 srto->srto_initial = inp->sctp_ep.initial_rto; 2654 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2655 srto->srto_min = inp->sctp_ep.sctp_minrto; 2656 SCTP_INP_RUNLOCK(inp); 2657 } else { 2658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2659 error = EINVAL; 2660 } 2661 } 2662 if (error == 0) { 2663 *optsize = sizeof(struct sctp_rtoinfo); 2664 } 2665 break; 2666 } 2667 case SCTP_TIMEOUTS: 2668 { 2669 struct sctp_timeouts *stimo; 2670 2671 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2672 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2673 2674 if (stcb) { 2675 stimo->stimo_init = stcb->asoc.timoinit; 2676 stimo->stimo_data = stcb->asoc.timodata; 2677 stimo->stimo_sack = stcb->asoc.timosack; 2678 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2679 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2680 stimo->stimo_cookie = stcb->asoc.timocookie; 2681 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2682 SCTP_TCB_UNLOCK(stcb); 2683 *optsize = sizeof(struct sctp_timeouts); 2684 } else { 2685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2686 error = EINVAL; 2687 } 2688 break; 2689 } 2690 case SCTP_ASSOCINFO: 2691 { 2692 struct sctp_assocparams *sasoc; 2693 2694 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2695 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2696 2697 if (stcb) { 2698 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2699 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2700 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2701 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2702 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2703 SCTP_TCB_UNLOCK(stcb); 2704 } else { 2705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2707 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2708 SCTP_INP_RLOCK(inp); 2709 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2710 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2711 sasoc->sasoc_number_peer_destinations = 0; 2712 sasoc->sasoc_peer_rwnd = 0; 2713 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2714 SCTP_INP_RUNLOCK(inp); 2715 } else { 2716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2717 error = EINVAL; 2718 } 2719 } 2720 if (error == 0) { 2721 *optsize = sizeof(struct sctp_assocparams); 2722 } 2723 break; 2724 } 2725 case SCTP_DEFAULT_SEND_PARAM: 2726 { 2727 struct sctp_sndrcvinfo *s_info; 2728 2729 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2730 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2731 2732 if (stcb) { 2733 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2734 SCTP_TCB_UNLOCK(stcb); 2735 } else { 2736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2738 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2739 SCTP_INP_RLOCK(inp); 2740 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2741 SCTP_INP_RUNLOCK(inp); 2742 } else { 2743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2744 error = EINVAL; 2745 } 2746 } 2747 if (error == 0) { 2748 *optsize = sizeof(struct sctp_sndrcvinfo); 2749 } 2750 break; 2751 } 2752 case SCTP_INITMSG: 2753 { 2754 struct sctp_initmsg *sinit; 2755 2756 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2757 SCTP_INP_RLOCK(inp); 2758 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2759 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2760 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2761 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2762 SCTP_INP_RUNLOCK(inp); 2763 *optsize = sizeof(struct sctp_initmsg); 2764 break; 2765 } 2766 case SCTP_PRIMARY_ADDR: 2767 /* we allow a "get" operation on this */ 2768 { 2769 struct sctp_setprim *ssp; 2770 2771 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2772 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2773 2774 if (stcb) { 2775 /* simply copy out the sockaddr_storage... */ 2776 size_t len; 2777 2778 len = *optsize; 2779 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2780 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2781 2782 memcpy(&ssp->ssp_addr, 2783 &stcb->asoc.primary_destination->ro._l_addr, 2784 len); 2785 SCTP_TCB_UNLOCK(stcb); 2786 *optsize = sizeof(struct sctp_setprim); 2787 } else { 2788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2789 error = EINVAL; 2790 } 2791 break; 2792 } 2793 case SCTP_HMAC_IDENT: 2794 { 2795 struct sctp_hmacalgo *shmac; 2796 sctp_hmaclist_t *hmaclist; 2797 uint32_t size; 2798 int i; 2799 2800 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2801 2802 SCTP_INP_RLOCK(inp); 2803 hmaclist = inp->sctp_ep.local_hmacs; 2804 if (hmaclist == NULL) { 2805 /* no HMACs to return */ 2806 *optsize = sizeof(*shmac); 2807 SCTP_INP_RUNLOCK(inp); 2808 break; 2809 } 2810 /* is there room for all of the hmac ids? */ 2811 size = sizeof(*shmac) + (hmaclist->num_algo * 2812 sizeof(shmac->shmac_idents[0])); 2813 if ((size_t)(*optsize) < size) { 2814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2815 error = EINVAL; 2816 SCTP_INP_RUNLOCK(inp); 2817 break; 2818 } 2819 /* copy in the list */ 2820 shmac->shmac_number_of_idents = hmaclist->num_algo; 2821 for (i = 0; i < hmaclist->num_algo; i++) { 2822 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2823 } 2824 SCTP_INP_RUNLOCK(inp); 2825 *optsize = size; 2826 break; 2827 } 2828 case SCTP_AUTH_ACTIVE_KEY: 2829 { 2830 struct sctp_authkeyid *scact; 2831 2832 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2834 2835 if (stcb) { 2836 /* get the active key on the assoc */ 2837 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2838 SCTP_TCB_UNLOCK(stcb); 2839 } else { 2840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2842 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2843 /* get the endpoint active key */ 2844 SCTP_INP_RLOCK(inp); 2845 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2846 SCTP_INP_RUNLOCK(inp); 2847 } else { 2848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2849 error = EINVAL; 2850 } 2851 } 2852 if (error == 0) { 2853 *optsize = sizeof(struct sctp_authkeyid); 2854 } 2855 break; 2856 } 2857 case SCTP_LOCAL_AUTH_CHUNKS: 2858 { 2859 struct sctp_authchunks *sac; 2860 sctp_auth_chklist_t *chklist = NULL; 2861 size_t size = 0; 2862 2863 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2864 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2865 2866 if (stcb) { 2867 /* get off the assoc */ 2868 chklist = stcb->asoc.local_auth_chunks; 2869 /* is there enough space? */ 2870 size = sctp_auth_get_chklist_size(chklist); 2871 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2872 error = EINVAL; 2873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2874 } else { 2875 /* copy in the chunks */ 2876 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2877 sac->gauth_number_of_chunks = (uint32_t) size; 2878 *optsize = sizeof(struct sctp_authchunks) + size; 2879 } 2880 SCTP_TCB_UNLOCK(stcb); 2881 } else { 2882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2883 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2884 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2885 /* get off the endpoint */ 2886 SCTP_INP_RLOCK(inp); 2887 chklist = inp->sctp_ep.local_auth_chunks; 2888 /* is there enough space? */ 2889 size = sctp_auth_get_chklist_size(chklist); 2890 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2891 error = EINVAL; 2892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2893 } else { 2894 /* copy in the chunks */ 2895 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2896 sac->gauth_number_of_chunks = (uint32_t) size; 2897 *optsize = sizeof(struct sctp_authchunks) + size; 2898 } 2899 SCTP_INP_RUNLOCK(inp); 2900 } else { 2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2902 error = EINVAL; 2903 } 2904 } 2905 break; 2906 } 2907 case SCTP_PEER_AUTH_CHUNKS: 2908 { 2909 struct sctp_authchunks *sac; 2910 sctp_auth_chklist_t *chklist = NULL; 2911 size_t size = 0; 2912 2913 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2914 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2915 2916 if (stcb) { 2917 /* get off the assoc */ 2918 chklist = stcb->asoc.peer_auth_chunks; 2919 /* is there enough space? */ 2920 size = sctp_auth_get_chklist_size(chklist); 2921 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2922 error = EINVAL; 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2924 } else { 2925 /* copy in the chunks */ 2926 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2927 sac->gauth_number_of_chunks = (uint32_t) size; 2928 *optsize = sizeof(struct sctp_authchunks) + size; 2929 } 2930 SCTP_TCB_UNLOCK(stcb); 2931 } else { 2932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2933 error = ENOENT; 2934 } 2935 break; 2936 } 2937 case SCTP_EVENT: 2938 { 2939 struct sctp_event *event; 2940 uint32_t event_type; 2941 2942 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2943 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2944 2945 switch (event->se_type) { 2946 case SCTP_ASSOC_CHANGE: 2947 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2948 break; 2949 case SCTP_PEER_ADDR_CHANGE: 2950 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2951 break; 2952 case SCTP_REMOTE_ERROR: 2953 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2954 break; 2955 case SCTP_SEND_FAILED: 2956 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2957 break; 2958 case SCTP_SHUTDOWN_EVENT: 2959 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2960 break; 2961 case SCTP_ADAPTATION_INDICATION: 2962 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2963 break; 2964 case SCTP_PARTIAL_DELIVERY_EVENT: 2965 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2966 break; 2967 case SCTP_AUTHENTICATION_EVENT: 2968 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2969 break; 2970 case SCTP_STREAM_RESET_EVENT: 2971 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2972 break; 2973 case SCTP_SENDER_DRY_EVENT: 2974 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2975 break; 2976 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2977 event_type = 0; 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2979 error = ENOTSUP; 2980 break; 2981 case SCTP_ASSOC_RESET_EVENT: 2982 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2983 break; 2984 case SCTP_STREAM_CHANGE_EVENT: 2985 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2986 break; 2987 case SCTP_SEND_FAILED_EVENT: 2988 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2989 break; 2990 default: 2991 event_type = 0; 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2993 error = EINVAL; 2994 break; 2995 } 2996 if (event_type > 0) { 2997 if (stcb) { 2998 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2999 SCTP_TCB_UNLOCK(stcb); 3000 } else { 3001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3002 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3003 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3004 SCTP_INP_RLOCK(inp); 3005 event->se_on = sctp_is_feature_on(inp, event_type); 3006 SCTP_INP_RUNLOCK(inp); 3007 } else { 3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3009 error = EINVAL; 3010 } 3011 } 3012 } 3013 if (error == 0) { 3014 *optsize = sizeof(struct sctp_event); 3015 } 3016 break; 3017 } 3018 case SCTP_RECVRCVINFO: 3019 { 3020 int onoff; 3021 3022 if (*optsize < sizeof(int)) { 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3024 error = EINVAL; 3025 } else { 3026 SCTP_INP_RLOCK(inp); 3027 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3028 SCTP_INP_RUNLOCK(inp); 3029 } 3030 if (error == 0) { 3031 /* return the option value */ 3032 *(int *)optval = onoff; 3033 *optsize = sizeof(int); 3034 } 3035 break; 3036 } 3037 case SCTP_RECVNXTINFO: 3038 { 3039 int onoff; 3040 3041 if (*optsize < sizeof(int)) { 3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3043 error = EINVAL; 3044 } else { 3045 SCTP_INP_RLOCK(inp); 3046 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3047 SCTP_INP_RUNLOCK(inp); 3048 } 3049 if (error == 0) { 3050 /* return the option value */ 3051 *(int *)optval = onoff; 3052 *optsize = sizeof(int); 3053 } 3054 break; 3055 } 3056 case SCTP_DEFAULT_SNDINFO: 3057 { 3058 struct sctp_sndinfo *info; 3059 3060 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3061 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3062 3063 if (stcb) { 3064 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3065 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3066 info->snd_flags &= 0xfff0; 3067 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3068 info->snd_context = stcb->asoc.def_send.sinfo_context; 3069 SCTP_TCB_UNLOCK(stcb); 3070 } else { 3071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3073 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3074 SCTP_INP_RLOCK(inp); 3075 info->snd_sid = inp->def_send.sinfo_stream; 3076 info->snd_flags = inp->def_send.sinfo_flags; 3077 info->snd_flags &= 0xfff0; 3078 info->snd_ppid = inp->def_send.sinfo_ppid; 3079 info->snd_context = inp->def_send.sinfo_context; 3080 SCTP_INP_RUNLOCK(inp); 3081 } else { 3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3083 error = EINVAL; 3084 } 3085 } 3086 if (error == 0) { 3087 *optsize = sizeof(struct sctp_sndinfo); 3088 } 3089 break; 3090 } 3091 case SCTP_DEFAULT_PRINFO: 3092 { 3093 struct sctp_default_prinfo *info; 3094 3095 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3096 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3097 3098 if (stcb) { 3099 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3100 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3101 SCTP_TCB_UNLOCK(stcb); 3102 } else { 3103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3105 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3106 SCTP_INP_RLOCK(inp); 3107 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3108 info->pr_value = inp->def_send.sinfo_timetolive; 3109 SCTP_INP_RUNLOCK(inp); 3110 } else { 3111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3112 error = EINVAL; 3113 } 3114 } 3115 if (error == 0) { 3116 *optsize = sizeof(struct sctp_default_prinfo); 3117 } 3118 break; 3119 } 3120 case SCTP_PEER_ADDR_THLDS: 3121 { 3122 struct sctp_paddrthlds *thlds; 3123 struct sctp_nets *net; 3124 3125 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3126 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3127 3128 net = NULL; 3129 if (stcb) { 3130 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3131 } else { 3132 /* 3133 * We increment here since 3134 * sctp_findassociation_ep_addr() wil do a 3135 * decrement if it finds the stcb as long as 3136 * the locked tcb (last argument) is NOT a 3137 * TCB.. aka NULL. 3138 */ 3139 SCTP_INP_INCR_REF(inp); 3140 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3141 if (stcb == NULL) { 3142 SCTP_INP_DECR_REF(inp); 3143 } 3144 } 3145 if (stcb && (net == NULL)) { 3146 struct sockaddr *sa; 3147 3148 sa = (struct sockaddr *)&thlds->spt_address; 3149#ifdef INET 3150 if (sa->sa_family == AF_INET) { 3151 struct sockaddr_in *sin; 3152 3153 sin = (struct sockaddr_in *)sa; 3154 if (sin->sin_addr.s_addr) { 3155 error = EINVAL; 3156 SCTP_TCB_UNLOCK(stcb); 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3158 break; 3159 } 3160 } else 3161#endif 3162#ifdef INET6 3163 if (sa->sa_family == AF_INET6) { 3164 struct sockaddr_in6 *sin6; 3165 3166 sin6 = (struct sockaddr_in6 *)sa; 3167 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3168 error = EINVAL; 3169 SCTP_TCB_UNLOCK(stcb); 3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3171 break; 3172 } 3173 } else 3174#endif 3175 { 3176 error = EAFNOSUPPORT; 3177 SCTP_TCB_UNLOCK(stcb); 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3179 break; 3180 } 3181 } 3182 if (stcb) { 3183 if (net) { 3184 thlds->spt_pathmaxrxt = net->failure_threshold; 3185 thlds->spt_pathpfthld = net->pf_threshold; 3186 } else { 3187 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3188 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3189 } 3190 thlds->spt_assoc_id = sctp_get_associd(stcb); 3191 SCTP_TCB_UNLOCK(stcb); 3192 } else { 3193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3194 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3195 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3196 /* Use endpoint defaults */ 3197 SCTP_INP_RLOCK(inp); 3198 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3199 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3200 SCTP_INP_RUNLOCK(inp); 3201 } else { 3202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3203 error = EINVAL; 3204 } 3205 } 3206 if (error == 0) { 3207 *optsize = sizeof(struct sctp_paddrthlds); 3208 } 3209 break; 3210 } 3211 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3212 { 3213 struct sctp_udpencaps *encaps; 3214 struct sctp_nets *net; 3215 3216 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3217 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3218 3219 if (stcb) { 3220 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3221 } else { 3222 /* 3223 * We increment here since 3224 * sctp_findassociation_ep_addr() wil do a 3225 * decrement if it finds the stcb as long as 3226 * the locked tcb (last argument) is NOT a 3227 * TCB.. aka NULL. 3228 */ 3229 net = NULL; 3230 SCTP_INP_INCR_REF(inp); 3231 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3232 if (stcb == NULL) { 3233 SCTP_INP_DECR_REF(inp); 3234 } 3235 } 3236 if (stcb && (net == NULL)) { 3237 struct sockaddr *sa; 3238 3239 sa = (struct sockaddr *)&encaps->sue_address; 3240#ifdef INET 3241 if (sa->sa_family == AF_INET) { 3242 struct sockaddr_in *sin; 3243 3244 sin = (struct sockaddr_in *)sa; 3245 if (sin->sin_addr.s_addr) { 3246 error = EINVAL; 3247 SCTP_TCB_UNLOCK(stcb); 3248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3249 break; 3250 } 3251 } else 3252#endif 3253#ifdef INET6 3254 if (sa->sa_family == AF_INET6) { 3255 struct sockaddr_in6 *sin6; 3256 3257 sin6 = (struct sockaddr_in6 *)sa; 3258 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3259 error = EINVAL; 3260 SCTP_TCB_UNLOCK(stcb); 3261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3262 break; 3263 } 3264 } else 3265#endif 3266 { 3267 error = EAFNOSUPPORT; 3268 SCTP_TCB_UNLOCK(stcb); 3269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3270 break; 3271 } 3272 } 3273 if (stcb) { 3274 if (net) { 3275 encaps->sue_port = net->port; 3276 } else { 3277 encaps->sue_port = stcb->asoc.port; 3278 } 3279 SCTP_TCB_UNLOCK(stcb); 3280 } else { 3281 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3282 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3283 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3284 SCTP_INP_RLOCK(inp); 3285 encaps->sue_port = inp->sctp_ep.port; 3286 SCTP_INP_RUNLOCK(inp); 3287 } else { 3288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3289 error = EINVAL; 3290 } 3291 } 3292 if (error == 0) { 3293 *optsize = sizeof(struct sctp_udpencaps); 3294 } 3295 break; 3296 } 3297 case SCTP_ECN_SUPPORTED: 3298 { 3299 struct sctp_assoc_value *av; 3300 3301 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3302 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3303 3304 if (stcb) { 3305 av->assoc_value = stcb->asoc.ecn_supported; 3306 SCTP_TCB_UNLOCK(stcb); 3307 } else { 3308 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3309 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3310 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3311 SCTP_INP_RLOCK(inp); 3312 av->assoc_value = inp->ecn_supported; 3313 SCTP_INP_RUNLOCK(inp); 3314 } else { 3315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3316 error = EINVAL; 3317 } 3318 } 3319 if (error == 0) { 3320 *optsize = sizeof(struct sctp_assoc_value); 3321 } 3322 break; 3323 } 3324 case SCTP_ENABLE_STREAM_RESET: 3325 { 3326 struct sctp_assoc_value *av; 3327 3328 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3329 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3330 3331 if (stcb) { 3332 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3333 SCTP_TCB_UNLOCK(stcb); 3334 } else { 3335 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3336 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3337 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3338 SCTP_INP_RLOCK(inp); 3339 av->assoc_value = (uint32_t) inp->local_strreset_support; 3340 SCTP_INP_RUNLOCK(inp); 3341 } else { 3342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3343 error = EINVAL; 3344 } 3345 } 3346 if (error == 0) { 3347 *optsize = sizeof(struct sctp_assoc_value); 3348 } 3349 break; 3350 } 3351 default: 3352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3353 error = ENOPROTOOPT; 3354 break; 3355 } /* end switch (sopt->sopt_name) */ 3356 if (error) { 3357 *optsize = 0; 3358 } 3359 return (error); 3360} 3361 3362static int 3363sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3364 void *p) 3365{ 3366 int error, set_opt; 3367 uint32_t *mopt; 3368 struct sctp_tcb *stcb = NULL; 3369 struct sctp_inpcb *inp = NULL; 3370 uint32_t vrf_id; 3371 3372 if (optval == NULL) { 3373 SCTP_PRINTF("optval is NULL\n"); 3374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3375 return (EINVAL); 3376 } 3377 inp = (struct sctp_inpcb *)so->so_pcb; 3378 if (inp == NULL) { 3379 SCTP_PRINTF("inp is NULL?\n"); 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3381 return (EINVAL); 3382 } 3383 vrf_id = inp->def_vrf_id; 3384 3385 error = 0; 3386 switch (optname) { 3387 case SCTP_NODELAY: 3388 case SCTP_AUTOCLOSE: 3389 case SCTP_AUTO_ASCONF: 3390 case SCTP_EXPLICIT_EOR: 3391 case SCTP_DISABLE_FRAGMENTS: 3392 case SCTP_USE_EXT_RCVINFO: 3393 case SCTP_I_WANT_MAPPED_V4_ADDR: 3394 /* copy in the option value */ 3395 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3396 set_opt = 0; 3397 if (error) 3398 break; 3399 switch (optname) { 3400 case SCTP_DISABLE_FRAGMENTS: 3401 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3402 break; 3403 case SCTP_AUTO_ASCONF: 3404 /* 3405 * NOTE: we don't really support this flag 3406 */ 3407 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3408 /* only valid for bound all sockets */ 3409 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3410 (*mopt != 0)) { 3411 /* forbidden by admin */ 3412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3413 return (EPERM); 3414 } 3415 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3416 } else { 3417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3418 return (EINVAL); 3419 } 3420 break; 3421 case SCTP_EXPLICIT_EOR: 3422 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3423 break; 3424 case SCTP_USE_EXT_RCVINFO: 3425 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3426 break; 3427 case SCTP_I_WANT_MAPPED_V4_ADDR: 3428 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3429 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3430 } else { 3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3432 return (EINVAL); 3433 } 3434 break; 3435 case SCTP_NODELAY: 3436 set_opt = SCTP_PCB_FLAGS_NODELAY; 3437 break; 3438 case SCTP_AUTOCLOSE: 3439 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3440 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3442 return (EINVAL); 3443 } 3444 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3445 /* 3446 * The value is in ticks. Note this does not effect 3447 * old associations, only new ones. 3448 */ 3449 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3450 break; 3451 } 3452 SCTP_INP_WLOCK(inp); 3453 if (*mopt != 0) { 3454 sctp_feature_on(inp, set_opt); 3455 } else { 3456 sctp_feature_off(inp, set_opt); 3457 } 3458 SCTP_INP_WUNLOCK(inp); 3459 break; 3460 case SCTP_REUSE_PORT: 3461 { 3462 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3464 /* Can't set it after we are bound */ 3465 error = EINVAL; 3466 break; 3467 } 3468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3469 /* Can't do this for a 1-m socket */ 3470 error = EINVAL; 3471 break; 3472 } 3473 if (optval) 3474 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3475 else 3476 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3477 break; 3478 } 3479 case SCTP_PARTIAL_DELIVERY_POINT: 3480 { 3481 uint32_t *value; 3482 3483 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3484 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3486 error = EINVAL; 3487 break; 3488 } 3489 inp->partial_delivery_point = *value; 3490 break; 3491 } 3492 case SCTP_FRAGMENT_INTERLEAVE: 3493 /* not yet until we re-write sctp_recvmsg() */ 3494 { 3495 uint32_t *level; 3496 3497 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3498 if (*level == SCTP_FRAG_LEVEL_2) { 3499 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3500 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3501 } else if (*level == SCTP_FRAG_LEVEL_1) { 3502 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3503 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3504 } else if (*level == SCTP_FRAG_LEVEL_0) { 3505 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3506 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3507 3508 } else { 3509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3510 error = EINVAL; 3511 } 3512 break; 3513 } 3514 case SCTP_CMT_ON_OFF: 3515 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3516 struct sctp_assoc_value *av; 3517 3518 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3519 if (av->assoc_value > SCTP_CMT_MAX) { 3520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3521 error = EINVAL; 3522 break; 3523 } 3524 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3525 if (stcb) { 3526 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3527 SCTP_TCB_UNLOCK(stcb); 3528 } else { 3529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3531 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3532 (av->assoc_id == SCTP_ALL_ASSOC)) { 3533 SCTP_INP_WLOCK(inp); 3534 inp->sctp_cmt_on_off = av->assoc_value; 3535 SCTP_INP_WUNLOCK(inp); 3536 } 3537 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3538 (av->assoc_id == SCTP_ALL_ASSOC)) { 3539 SCTP_INP_RLOCK(inp); 3540 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3541 SCTP_TCB_LOCK(stcb); 3542 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3543 SCTP_TCB_UNLOCK(stcb); 3544 } 3545 SCTP_INP_RUNLOCK(inp); 3546 } 3547 } 3548 } else { 3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3550 error = ENOPROTOOPT; 3551 } 3552 break; 3553 case SCTP_PLUGGABLE_CC: 3554 { 3555 struct sctp_assoc_value *av; 3556 struct sctp_nets *net; 3557 3558 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3559 if ((av->assoc_value != SCTP_CC_RFC2581) && 3560 (av->assoc_value != SCTP_CC_HSTCP) && 3561 (av->assoc_value != SCTP_CC_HTCP) && 3562 (av->assoc_value != SCTP_CC_RTCC)) { 3563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3564 error = EINVAL; 3565 break; 3566 } 3567 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3568 if (stcb) { 3569 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3570 stcb->asoc.congestion_control_module = av->assoc_value; 3571 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3572 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3573 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3574 } 3575 } 3576 SCTP_TCB_UNLOCK(stcb); 3577 } else { 3578 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3579 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3580 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3581 (av->assoc_id == SCTP_ALL_ASSOC)) { 3582 SCTP_INP_WLOCK(inp); 3583 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3584 SCTP_INP_WUNLOCK(inp); 3585 } 3586 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3587 (av->assoc_id == SCTP_ALL_ASSOC)) { 3588 SCTP_INP_RLOCK(inp); 3589 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3590 SCTP_TCB_LOCK(stcb); 3591 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3592 stcb->asoc.congestion_control_module = av->assoc_value; 3593 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3594 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3595 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3596 } 3597 } 3598 SCTP_TCB_UNLOCK(stcb); 3599 } 3600 SCTP_INP_RUNLOCK(inp); 3601 } 3602 } 3603 break; 3604 } 3605 case SCTP_CC_OPTION: 3606 { 3607 struct sctp_cc_option *cc_opt; 3608 3609 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3610 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3611 if (stcb == NULL) { 3612 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3613 SCTP_INP_RLOCK(inp); 3614 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3615 SCTP_TCB_LOCK(stcb); 3616 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3617 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3618 } 3619 SCTP_TCB_UNLOCK(stcb); 3620 } 3621 SCTP_INP_RUNLOCK(inp); 3622 } else { 3623 error = EINVAL; 3624 } 3625 } else { 3626 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3627 error = ENOTSUP; 3628 } else { 3629 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3630 cc_opt); 3631 } 3632 SCTP_TCB_UNLOCK(stcb); 3633 } 3634 break; 3635 } 3636 case SCTP_PLUGGABLE_SS: 3637 { 3638 struct sctp_assoc_value *av; 3639 3640 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3641 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3642 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3643 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3644 (av->assoc_value != SCTP_SS_PRIORITY) && 3645 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3646 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3648 error = EINVAL; 3649 break; 3650 } 3651 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3652 if (stcb) { 3653 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3654 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3655 stcb->asoc.stream_scheduling_module = av->assoc_value; 3656 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3657 SCTP_TCB_UNLOCK(stcb); 3658 } else { 3659 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3660 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3661 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3662 (av->assoc_id == SCTP_ALL_ASSOC)) { 3663 SCTP_INP_WLOCK(inp); 3664 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3665 SCTP_INP_WUNLOCK(inp); 3666 } 3667 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3668 (av->assoc_id == SCTP_ALL_ASSOC)) { 3669 SCTP_INP_RLOCK(inp); 3670 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3671 SCTP_TCB_LOCK(stcb); 3672 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3673 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3674 stcb->asoc.stream_scheduling_module = av->assoc_value; 3675 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3676 SCTP_TCB_UNLOCK(stcb); 3677 } 3678 SCTP_INP_RUNLOCK(inp); 3679 } 3680 } 3681 break; 3682 } 3683 case SCTP_SS_VALUE: 3684 { 3685 struct sctp_stream_value *av; 3686 3687 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3688 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3689 if (stcb) { 3690 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3691 av->stream_value) < 0) { 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 SCTP_TCB_UNLOCK(stcb); 3696 } else { 3697 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3698 SCTP_INP_RLOCK(inp); 3699 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3700 SCTP_TCB_LOCK(stcb); 3701 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3702 &stcb->asoc, 3703 &stcb->asoc.strmout[av->stream_id], 3704 av->stream_value); 3705 SCTP_TCB_UNLOCK(stcb); 3706 } 3707 SCTP_INP_RUNLOCK(inp); 3708 3709 } else { 3710 /* 3711 * Can't set stream value without 3712 * association 3713 */ 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 } 3717 } 3718 break; 3719 } 3720 case SCTP_CLR_STAT_LOG: 3721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3722 error = EOPNOTSUPP; 3723 break; 3724 case SCTP_CONTEXT: 3725 { 3726 struct sctp_assoc_value *av; 3727 3728 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3729 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3730 3731 if (stcb) { 3732 stcb->asoc.context = av->assoc_value; 3733 SCTP_TCB_UNLOCK(stcb); 3734 } else { 3735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3737 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3738 (av->assoc_id == SCTP_ALL_ASSOC)) { 3739 SCTP_INP_WLOCK(inp); 3740 inp->sctp_context = av->assoc_value; 3741 SCTP_INP_WUNLOCK(inp); 3742 } 3743 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3744 (av->assoc_id == SCTP_ALL_ASSOC)) { 3745 SCTP_INP_RLOCK(inp); 3746 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3747 SCTP_TCB_LOCK(stcb); 3748 stcb->asoc.context = av->assoc_value; 3749 SCTP_TCB_UNLOCK(stcb); 3750 } 3751 SCTP_INP_RUNLOCK(inp); 3752 } 3753 } 3754 break; 3755 } 3756 case SCTP_VRF_ID: 3757 { 3758 uint32_t *default_vrfid; 3759 3760 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3761 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3763 error = EINVAL; 3764 break; 3765 } 3766 inp->def_vrf_id = *default_vrfid; 3767 break; 3768 } 3769 case SCTP_DEL_VRF_ID: 3770 { 3771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3772 error = EOPNOTSUPP; 3773 break; 3774 } 3775 case SCTP_ADD_VRF_ID: 3776 { 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3778 error = EOPNOTSUPP; 3779 break; 3780 } 3781 case SCTP_DELAYED_SACK: 3782 { 3783 struct sctp_sack_info *sack; 3784 3785 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3786 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3787 if (sack->sack_delay) { 3788 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3789 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3790 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3791 sack->sack_delay = TICKS_TO_MSEC(1); 3792 } 3793 } 3794 if (stcb) { 3795 if (sack->sack_delay) { 3796 stcb->asoc.delayed_ack = sack->sack_delay; 3797 } 3798 if (sack->sack_freq) { 3799 stcb->asoc.sack_freq = sack->sack_freq; 3800 } 3801 SCTP_TCB_UNLOCK(stcb); 3802 } else { 3803 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3804 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3805 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3806 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3807 SCTP_INP_WLOCK(inp); 3808 if (sack->sack_delay) { 3809 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3810 } 3811 if (sack->sack_freq) { 3812 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3813 } 3814 SCTP_INP_WUNLOCK(inp); 3815 } 3816 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3817 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3818 SCTP_INP_RLOCK(inp); 3819 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3820 SCTP_TCB_LOCK(stcb); 3821 if (sack->sack_delay) { 3822 stcb->asoc.delayed_ack = sack->sack_delay; 3823 } 3824 if (sack->sack_freq) { 3825 stcb->asoc.sack_freq = sack->sack_freq; 3826 } 3827 SCTP_TCB_UNLOCK(stcb); 3828 } 3829 SCTP_INP_RUNLOCK(inp); 3830 } 3831 } 3832 break; 3833 } 3834 case SCTP_AUTH_CHUNK: 3835 { 3836 struct sctp_authchunk *sauth; 3837 3838 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3839 3840 SCTP_INP_WLOCK(inp); 3841 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3843 error = EINVAL; 3844 } 3845 SCTP_INP_WUNLOCK(inp); 3846 break; 3847 } 3848 case SCTP_AUTH_KEY: 3849 { 3850 struct sctp_authkey *sca; 3851 struct sctp_keyhead *shared_keys; 3852 sctp_sharedkey_t *shared_key; 3853 sctp_key_t *key = NULL; 3854 size_t size; 3855 3856 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3857 if (sca->sca_keylength == 0) { 3858 size = optsize - sizeof(struct sctp_authkey); 3859 } else { 3860 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3861 size = sca->sca_keylength; 3862 } else { 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3864 error = EINVAL; 3865 break; 3866 } 3867 } 3868 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3869 3870 if (stcb) { 3871 shared_keys = &stcb->asoc.shared_keys; 3872 /* clear the cached keys for this key id */ 3873 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3874 /* 3875 * create the new shared key and 3876 * insert/replace it 3877 */ 3878 if (size > 0) { 3879 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3880 if (key == NULL) { 3881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3882 error = ENOMEM; 3883 SCTP_TCB_UNLOCK(stcb); 3884 break; 3885 } 3886 } 3887 shared_key = sctp_alloc_sharedkey(); 3888 if (shared_key == NULL) { 3889 sctp_free_key(key); 3890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3891 error = ENOMEM; 3892 SCTP_TCB_UNLOCK(stcb); 3893 break; 3894 } 3895 shared_key->key = key; 3896 shared_key->keyid = sca->sca_keynumber; 3897 error = sctp_insert_sharedkey(shared_keys, shared_key); 3898 SCTP_TCB_UNLOCK(stcb); 3899 } else { 3900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3901 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3902 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3903 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3904 SCTP_INP_WLOCK(inp); 3905 shared_keys = &inp->sctp_ep.shared_keys; 3906 /* 3907 * clear the cached keys on all 3908 * assocs for this key id 3909 */ 3910 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3911 /* 3912 * create the new shared key and 3913 * insert/replace it 3914 */ 3915 if (size > 0) { 3916 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3917 if (key == NULL) { 3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3919 error = ENOMEM; 3920 SCTP_INP_WUNLOCK(inp); 3921 break; 3922 } 3923 } 3924 shared_key = sctp_alloc_sharedkey(); 3925 if (shared_key == NULL) { 3926 sctp_free_key(key); 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3928 error = ENOMEM; 3929 SCTP_INP_WUNLOCK(inp); 3930 break; 3931 } 3932 shared_key->key = key; 3933 shared_key->keyid = sca->sca_keynumber; 3934 error = sctp_insert_sharedkey(shared_keys, shared_key); 3935 SCTP_INP_WUNLOCK(inp); 3936 } 3937 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3938 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3939 SCTP_INP_RLOCK(inp); 3940 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3941 SCTP_TCB_LOCK(stcb); 3942 shared_keys = &stcb->asoc.shared_keys; 3943 /* 3944 * clear the cached keys for 3945 * this key id 3946 */ 3947 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3948 /* 3949 * create the new shared key 3950 * and insert/replace it 3951 */ 3952 if (size > 0) { 3953 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3954 if (key == NULL) { 3955 SCTP_TCB_UNLOCK(stcb); 3956 continue; 3957 } 3958 } 3959 shared_key = sctp_alloc_sharedkey(); 3960 if (shared_key == NULL) { 3961 sctp_free_key(key); 3962 SCTP_TCB_UNLOCK(stcb); 3963 continue; 3964 } 3965 shared_key->key = key; 3966 shared_key->keyid = sca->sca_keynumber; 3967 error = sctp_insert_sharedkey(shared_keys, shared_key); 3968 SCTP_TCB_UNLOCK(stcb); 3969 } 3970 SCTP_INP_RUNLOCK(inp); 3971 } 3972 } 3973 break; 3974 } 3975 case SCTP_HMAC_IDENT: 3976 { 3977 struct sctp_hmacalgo *shmac; 3978 sctp_hmaclist_t *hmaclist; 3979 uint16_t hmacid; 3980 uint32_t i; 3981 3982 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3983 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3985 error = EINVAL; 3986 break; 3987 } 3988 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3989 if (hmaclist == NULL) { 3990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3991 error = ENOMEM; 3992 break; 3993 } 3994 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3995 hmacid = shmac->shmac_idents[i]; 3996 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3997 /* invalid HMACs were found */ ; 3998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3999 error = EINVAL; 4000 sctp_free_hmaclist(hmaclist); 4001 goto sctp_set_hmac_done; 4002 } 4003 } 4004 for (i = 0; i < hmaclist->num_algo; i++) { 4005 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4006 /* already in list */ 4007 break; 4008 } 4009 } 4010 if (i == hmaclist->num_algo) { 4011 /* not found in list */ 4012 sctp_free_hmaclist(hmaclist); 4013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4014 error = EINVAL; 4015 break; 4016 } 4017 /* set it on the endpoint */ 4018 SCTP_INP_WLOCK(inp); 4019 if (inp->sctp_ep.local_hmacs) 4020 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4021 inp->sctp_ep.local_hmacs = hmaclist; 4022 SCTP_INP_WUNLOCK(inp); 4023 sctp_set_hmac_done: 4024 break; 4025 } 4026 case SCTP_AUTH_ACTIVE_KEY: 4027 { 4028 struct sctp_authkeyid *scact; 4029 4030 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4031 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4032 4033 /* set the active key on the right place */ 4034 if (stcb) { 4035 /* set the active key on the assoc */ 4036 if (sctp_auth_setactivekey(stcb, 4037 scact->scact_keynumber)) { 4038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4039 SCTP_FROM_SCTP_USRREQ, 4040 EINVAL); 4041 error = EINVAL; 4042 } 4043 SCTP_TCB_UNLOCK(stcb); 4044 } else { 4045 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4046 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4047 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4048 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4049 SCTP_INP_WLOCK(inp); 4050 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4052 error = EINVAL; 4053 } 4054 SCTP_INP_WUNLOCK(inp); 4055 } 4056 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4057 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4058 SCTP_INP_RLOCK(inp); 4059 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4060 SCTP_TCB_LOCK(stcb); 4061 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4062 SCTP_TCB_UNLOCK(stcb); 4063 } 4064 SCTP_INP_RUNLOCK(inp); 4065 } 4066 } 4067 break; 4068 } 4069 case SCTP_AUTH_DELETE_KEY: 4070 { 4071 struct sctp_authkeyid *scdel; 4072 4073 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4074 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4075 4076 /* delete the key from the right place */ 4077 if (stcb) { 4078 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4079 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4080 error = EINVAL; 4081 } 4082 SCTP_TCB_UNLOCK(stcb); 4083 } else { 4084 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4085 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4086 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4087 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4088 SCTP_INP_WLOCK(inp); 4089 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4091 error = EINVAL; 4092 } 4093 SCTP_INP_WUNLOCK(inp); 4094 } 4095 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4096 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4097 SCTP_INP_RLOCK(inp); 4098 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4099 SCTP_TCB_LOCK(stcb); 4100 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4101 SCTP_TCB_UNLOCK(stcb); 4102 } 4103 SCTP_INP_RUNLOCK(inp); 4104 } 4105 } 4106 break; 4107 } 4108 case SCTP_AUTH_DEACTIVATE_KEY: 4109 { 4110 struct sctp_authkeyid *keyid; 4111 4112 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4113 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4114 4115 /* deactivate the key from the right place */ 4116 if (stcb) { 4117 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4119 error = EINVAL; 4120 } 4121 SCTP_TCB_UNLOCK(stcb); 4122 } else { 4123 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4124 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4125 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4126 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4127 SCTP_INP_WLOCK(inp); 4128 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4130 error = EINVAL; 4131 } 4132 SCTP_INP_WUNLOCK(inp); 4133 } 4134 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4135 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4136 SCTP_INP_RLOCK(inp); 4137 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4138 SCTP_TCB_LOCK(stcb); 4139 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4140 SCTP_TCB_UNLOCK(stcb); 4141 } 4142 SCTP_INP_RUNLOCK(inp); 4143 } 4144 } 4145 break; 4146 } 4147 case SCTP_ENABLE_STREAM_RESET: 4148 { 4149 struct sctp_assoc_value *av; 4150 4151 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4152 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4154 error = EINVAL; 4155 break; 4156 } 4157 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4158 if (stcb) { 4159 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4160 SCTP_TCB_UNLOCK(stcb); 4161 } else { 4162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4163 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4164 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4165 (av->assoc_id == SCTP_ALL_ASSOC)) { 4166 SCTP_INP_WLOCK(inp); 4167 inp->local_strreset_support = (uint8_t) av->assoc_value; 4168 SCTP_INP_WUNLOCK(inp); 4169 } 4170 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4171 (av->assoc_id == SCTP_ALL_ASSOC)) { 4172 SCTP_INP_RLOCK(inp); 4173 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4174 SCTP_TCB_LOCK(stcb); 4175 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4176 SCTP_TCB_UNLOCK(stcb); 4177 } 4178 SCTP_INP_RUNLOCK(inp); 4179 } 4180 } 4181 break; 4182 } 4183 case SCTP_RESET_STREAMS: 4184 { 4185 struct sctp_reset_streams *strrst; 4186 int i, send_out = 0; 4187 int send_in = 0; 4188 4189 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4190 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4191 if (stcb == NULL) { 4192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4193 error = ENOENT; 4194 break; 4195 } 4196 if (stcb->asoc.peer_supports_strreset == 0) { 4197 /* 4198 * Peer does not support the chunk type. 4199 */ 4200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4201 error = EOPNOTSUPP; 4202 SCTP_TCB_UNLOCK(stcb); 4203 break; 4204 } 4205 if (stcb->asoc.stream_reset_outstanding) { 4206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4207 error = EALREADY; 4208 SCTP_TCB_UNLOCK(stcb); 4209 break; 4210 } 4211 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4212 send_in = 1; 4213 } 4214 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4215 send_out = 1; 4216 } 4217 if ((send_in == 0) && (send_out == 0)) { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4219 error = EINVAL; 4220 SCTP_TCB_UNLOCK(stcb); 4221 break; 4222 } 4223 for (i = 0; i < strrst->srs_number_streams; i++) { 4224 if ((send_in) && 4225 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4227 error = EINVAL; 4228 break; 4229 } 4230 if ((send_out) && 4231 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4233 error = EINVAL; 4234 break; 4235 } 4236 } 4237 if (error) { 4238 SCTP_TCB_UNLOCK(stcb); 4239 break; 4240 } 4241 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4242 strrst->srs_stream_list, 4243 send_out, send_in, 0, 0, 0, 0, 0); 4244 4245 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4246 SCTP_TCB_UNLOCK(stcb); 4247 break; 4248 } 4249 case SCTP_ADD_STREAMS: 4250 { 4251 struct sctp_add_streams *stradd; 4252 uint8_t addstream = 0; 4253 uint16_t add_o_strmcnt = 0; 4254 uint16_t add_i_strmcnt = 0; 4255 4256 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4257 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4258 if (stcb == NULL) { 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4260 error = ENOENT; 4261 break; 4262 } 4263 if (stcb->asoc.peer_supports_strreset == 0) { 4264 /* 4265 * Peer does not support the chunk type. 4266 */ 4267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4268 error = EOPNOTSUPP; 4269 SCTP_TCB_UNLOCK(stcb); 4270 break; 4271 } 4272 if (stcb->asoc.stream_reset_outstanding) { 4273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4274 error = EALREADY; 4275 SCTP_TCB_UNLOCK(stcb); 4276 break; 4277 } 4278 if ((stradd->sas_outstrms == 0) && 4279 (stradd->sas_instrms == 0)) { 4280 error = EINVAL; 4281 goto skip_stuff; 4282 } 4283 if (stradd->sas_outstrms) { 4284 addstream = 1; 4285 /* We allocate here */ 4286 add_o_strmcnt = stradd->sas_outstrms; 4287 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4288 /* You can't have more than 64k */ 4289 error = EINVAL; 4290 goto skip_stuff; 4291 } 4292 } 4293 if (stradd->sas_instrms) { 4294 int cnt; 4295 4296 addstream |= 2; 4297 /* 4298 * We allocate inside 4299 * sctp_send_str_reset_req() 4300 */ 4301 add_i_strmcnt = stradd->sas_instrms; 4302 cnt = add_i_strmcnt; 4303 cnt += stcb->asoc.streamincnt; 4304 if (cnt > 0x0000ffff) { 4305 /* You can't have more than 64k */ 4306 error = EINVAL; 4307 goto skip_stuff; 4308 } 4309 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4310 /* More than you are allowed */ 4311 error = EINVAL; 4312 goto skip_stuff; 4313 } 4314 } 4315 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4316 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4317 skip_stuff: 4318 SCTP_TCB_UNLOCK(stcb); 4319 break; 4320 } 4321 case SCTP_RESET_ASSOC: 4322 { 4323 uint32_t *value; 4324 4325 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4326 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4327 if (stcb == NULL) { 4328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4329 error = ENOENT; 4330 break; 4331 } 4332 if (stcb->asoc.peer_supports_strreset == 0) { 4333 /* 4334 * Peer does not support the chunk type. 4335 */ 4336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4337 error = EOPNOTSUPP; 4338 SCTP_TCB_UNLOCK(stcb); 4339 break; 4340 } 4341 if (stcb->asoc.stream_reset_outstanding) { 4342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4343 error = EALREADY; 4344 SCTP_TCB_UNLOCK(stcb); 4345 break; 4346 } 4347 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4348 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4349 SCTP_TCB_UNLOCK(stcb); 4350 break; 4351 } 4352 case SCTP_CONNECT_X: 4353 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4355 error = EINVAL; 4356 break; 4357 } 4358 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4359 break; 4360 case SCTP_CONNECT_X_DELAYED: 4361 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4363 error = EINVAL; 4364 break; 4365 } 4366 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4367 break; 4368 case SCTP_CONNECT_X_COMPLETE: 4369 { 4370 struct sockaddr *sa; 4371 struct sctp_nets *net; 4372 4373 /* FIXME MT: check correct? */ 4374 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4375 4376 /* find tcb */ 4377 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4378 SCTP_INP_RLOCK(inp); 4379 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4380 if (stcb) { 4381 SCTP_TCB_LOCK(stcb); 4382 net = sctp_findnet(stcb, sa); 4383 } 4384 SCTP_INP_RUNLOCK(inp); 4385 } else { 4386 /* 4387 * We increment here since 4388 * sctp_findassociation_ep_addr() wil do a 4389 * decrement if it finds the stcb as long as 4390 * the locked tcb (last argument) is NOT a 4391 * TCB.. aka NULL. 4392 */ 4393 SCTP_INP_INCR_REF(inp); 4394 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4395 if (stcb == NULL) { 4396 SCTP_INP_DECR_REF(inp); 4397 } 4398 } 4399 4400 if (stcb == NULL) { 4401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4402 error = ENOENT; 4403 break; 4404 } 4405 if (stcb->asoc.delayed_connection == 1) { 4406 stcb->asoc.delayed_connection = 0; 4407 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4408 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4409 stcb->asoc.primary_destination, 4410 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4411 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4412 } else { 4413 /* 4414 * already expired or did not use delayed 4415 * connectx 4416 */ 4417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4418 error = EALREADY; 4419 } 4420 SCTP_TCB_UNLOCK(stcb); 4421 break; 4422 } 4423 case SCTP_MAX_BURST: 4424 { 4425 struct sctp_assoc_value *av; 4426 4427 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4428 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4429 4430 if (stcb) { 4431 stcb->asoc.max_burst = av->assoc_value; 4432 SCTP_TCB_UNLOCK(stcb); 4433 } else { 4434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4436 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4437 (av->assoc_id == SCTP_ALL_ASSOC)) { 4438 SCTP_INP_WLOCK(inp); 4439 inp->sctp_ep.max_burst = av->assoc_value; 4440 SCTP_INP_WUNLOCK(inp); 4441 } 4442 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4443 (av->assoc_id == SCTP_ALL_ASSOC)) { 4444 SCTP_INP_RLOCK(inp); 4445 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4446 SCTP_TCB_LOCK(stcb); 4447 stcb->asoc.max_burst = av->assoc_value; 4448 SCTP_TCB_UNLOCK(stcb); 4449 } 4450 SCTP_INP_RUNLOCK(inp); 4451 } 4452 } 4453 break; 4454 } 4455 case SCTP_MAXSEG: 4456 { 4457 struct sctp_assoc_value *av; 4458 int ovh; 4459 4460 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4461 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4462 4463 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4464 ovh = SCTP_MED_OVERHEAD; 4465 } else { 4466 ovh = SCTP_MED_V4_OVERHEAD; 4467 } 4468 if (stcb) { 4469 if (av->assoc_value) { 4470 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4471 } else { 4472 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4473 } 4474 SCTP_TCB_UNLOCK(stcb); 4475 } else { 4476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4477 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4478 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4479 SCTP_INP_WLOCK(inp); 4480 /* 4481 * FIXME MT: I think this is not in 4482 * tune with the API ID 4483 */ 4484 if (av->assoc_value) { 4485 inp->sctp_frag_point = (av->assoc_value + ovh); 4486 } else { 4487 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4488 } 4489 SCTP_INP_WUNLOCK(inp); 4490 } else { 4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4492 error = EINVAL; 4493 } 4494 } 4495 break; 4496 } 4497 case SCTP_EVENTS: 4498 { 4499 struct sctp_event_subscribe *events; 4500 4501 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4502 4503 SCTP_INP_WLOCK(inp); 4504 if (events->sctp_data_io_event) { 4505 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4506 } else { 4507 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4508 } 4509 4510 if (events->sctp_association_event) { 4511 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4512 } else { 4513 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4514 } 4515 4516 if (events->sctp_address_event) { 4517 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4518 } else { 4519 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4520 } 4521 4522 if (events->sctp_send_failure_event) { 4523 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4524 } else { 4525 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4526 } 4527 4528 if (events->sctp_peer_error_event) { 4529 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4530 } else { 4531 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4532 } 4533 4534 if (events->sctp_shutdown_event) { 4535 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4536 } else { 4537 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4538 } 4539 4540 if (events->sctp_partial_delivery_event) { 4541 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4542 } else { 4543 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4544 } 4545 4546 if (events->sctp_adaptation_layer_event) { 4547 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4548 } else { 4549 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4550 } 4551 4552 if (events->sctp_authentication_event) { 4553 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4554 } else { 4555 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4556 } 4557 4558 if (events->sctp_sender_dry_event) { 4559 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4560 } else { 4561 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4562 } 4563 4564 if (events->sctp_stream_reset_event) { 4565 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4566 } else { 4567 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4568 } 4569 SCTP_INP_WUNLOCK(inp); 4570 4571 SCTP_INP_RLOCK(inp); 4572 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4573 SCTP_TCB_LOCK(stcb); 4574 if (events->sctp_association_event) { 4575 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4576 } else { 4577 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4578 } 4579 if (events->sctp_address_event) { 4580 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4581 } else { 4582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4583 } 4584 if (events->sctp_send_failure_event) { 4585 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4586 } else { 4587 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4588 } 4589 if (events->sctp_peer_error_event) { 4590 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4591 } else { 4592 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4593 } 4594 if (events->sctp_shutdown_event) { 4595 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4596 } else { 4597 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4598 } 4599 if (events->sctp_partial_delivery_event) { 4600 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4601 } else { 4602 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4603 } 4604 if (events->sctp_adaptation_layer_event) { 4605 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4606 } else { 4607 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4608 } 4609 if (events->sctp_authentication_event) { 4610 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4611 } else { 4612 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4613 } 4614 if (events->sctp_sender_dry_event) { 4615 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4616 } else { 4617 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4618 } 4619 if (events->sctp_stream_reset_event) { 4620 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4621 } else { 4622 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4623 } 4624 SCTP_TCB_UNLOCK(stcb); 4625 } 4626 /* 4627 * Send up the sender dry event only for 1-to-1 4628 * style sockets. 4629 */ 4630 if (events->sctp_sender_dry_event) { 4631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4633 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4634 if (stcb) { 4635 SCTP_TCB_LOCK(stcb); 4636 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4637 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4638 (stcb->asoc.stream_queue_cnt == 0)) { 4639 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4640 } 4641 SCTP_TCB_UNLOCK(stcb); 4642 } 4643 } 4644 } 4645 SCTP_INP_RUNLOCK(inp); 4646 break; 4647 } 4648 case SCTP_ADAPTATION_LAYER: 4649 { 4650 struct sctp_setadaptation *adap_bits; 4651 4652 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4653 SCTP_INP_WLOCK(inp); 4654 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4655 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4656 SCTP_INP_WUNLOCK(inp); 4657 break; 4658 } 4659#ifdef SCTP_DEBUG 4660 case SCTP_SET_INITIAL_DBG_SEQ: 4661 { 4662 uint32_t *vvv; 4663 4664 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4665 SCTP_INP_WLOCK(inp); 4666 inp->sctp_ep.initial_sequence_debug = *vvv; 4667 SCTP_INP_WUNLOCK(inp); 4668 break; 4669 } 4670#endif 4671 case SCTP_DEFAULT_SEND_PARAM: 4672 { 4673 struct sctp_sndrcvinfo *s_info; 4674 4675 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4676 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4677 4678 if (stcb) { 4679 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4680 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4681 } else { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4683 error = EINVAL; 4684 } 4685 SCTP_TCB_UNLOCK(stcb); 4686 } else { 4687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4689 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4690 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4691 SCTP_INP_WLOCK(inp); 4692 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4693 SCTP_INP_WUNLOCK(inp); 4694 } 4695 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4696 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4697 SCTP_INP_RLOCK(inp); 4698 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4699 SCTP_TCB_LOCK(stcb); 4700 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4701 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4702 } 4703 SCTP_TCB_UNLOCK(stcb); 4704 } 4705 SCTP_INP_RUNLOCK(inp); 4706 } 4707 } 4708 break; 4709 } 4710 case SCTP_PEER_ADDR_PARAMS: 4711 { 4712 struct sctp_paddrparams *paddrp; 4713 struct sctp_nets *net; 4714 4715 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4716 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4717 net = NULL; 4718 if (stcb) { 4719 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4720 } else { 4721 /* 4722 * We increment here since 4723 * sctp_findassociation_ep_addr() wil do a 4724 * decrement if it finds the stcb as long as 4725 * the locked tcb (last argument) is NOT a 4726 * TCB.. aka NULL. 4727 */ 4728 SCTP_INP_INCR_REF(inp); 4729 stcb = sctp_findassociation_ep_addr(&inp, 4730 (struct sockaddr *)&paddrp->spp_address, 4731 &net, NULL, NULL); 4732 if (stcb == NULL) { 4733 SCTP_INP_DECR_REF(inp); 4734 } 4735 } 4736 if (stcb && (net == NULL)) { 4737 struct sockaddr *sa; 4738 4739 sa = (struct sockaddr *)&paddrp->spp_address; 4740#ifdef INET 4741 if (sa->sa_family == AF_INET) { 4742 4743 struct sockaddr_in *sin; 4744 4745 sin = (struct sockaddr_in *)sa; 4746 if (sin->sin_addr.s_addr) { 4747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4748 SCTP_TCB_UNLOCK(stcb); 4749 error = EINVAL; 4750 break; 4751 } 4752 } else 4753#endif 4754#ifdef INET6 4755 if (sa->sa_family == AF_INET6) { 4756 struct sockaddr_in6 *sin6; 4757 4758 sin6 = (struct sockaddr_in6 *)sa; 4759 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4761 SCTP_TCB_UNLOCK(stcb); 4762 error = EINVAL; 4763 break; 4764 } 4765 } else 4766#endif 4767 { 4768 error = EAFNOSUPPORT; 4769 SCTP_TCB_UNLOCK(stcb); 4770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4771 break; 4772 } 4773 } 4774 /* sanity checks */ 4775 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4776 if (stcb) 4777 SCTP_TCB_UNLOCK(stcb); 4778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4779 return (EINVAL); 4780 } 4781 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4782 if (stcb) 4783 SCTP_TCB_UNLOCK(stcb); 4784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4785 return (EINVAL); 4786 } 4787 if (stcb) { 4788 /************************TCB SPECIFIC SET ******************/ 4789 /* 4790 * do we change the timer for HB, we run 4791 * only one? 4792 */ 4793 int ovh = 0; 4794 4795 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4796 ovh = SCTP_MED_OVERHEAD; 4797 } else { 4798 ovh = SCTP_MED_V4_OVERHEAD; 4799 } 4800 4801 /* network sets ? */ 4802 if (net) { 4803 /************************NET SPECIFIC SET ******************/ 4804 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4805 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4806 !(net->dest_state & SCTP_ADDR_NOHB)) { 4807 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4808 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4809 } 4810 net->dest_state |= SCTP_ADDR_NOHB; 4811 } 4812 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4813 if (paddrp->spp_hbinterval) { 4814 net->heart_beat_delay = paddrp->spp_hbinterval; 4815 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4816 net->heart_beat_delay = 0; 4817 } 4818 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4819 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4820 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4821 net->dest_state &= ~SCTP_ADDR_NOHB; 4822 } 4823 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4824 /* on demand HB */ 4825 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4826 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4827 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4828 } 4829 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4830 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4831 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4832 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4833 } 4834 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4835 net->mtu = paddrp->spp_pathmtu + ovh; 4836 if (net->mtu < stcb->asoc.smallest_mtu) { 4837 sctp_pathmtu_adjustment(stcb, net->mtu); 4838 } 4839 } 4840 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4841 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4842 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4843 } 4844 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4845 } 4846 if (paddrp->spp_pathmaxrxt) { 4847 if (net->dest_state & SCTP_ADDR_PF) { 4848 if (net->error_count > paddrp->spp_pathmaxrxt) { 4849 net->dest_state &= ~SCTP_ADDR_PF; 4850 } 4851 } else { 4852 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4853 (net->error_count > net->pf_threshold)) { 4854 net->dest_state |= SCTP_ADDR_PF; 4855 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4856 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4857 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4858 } 4859 } 4860 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4861 if (net->error_count > paddrp->spp_pathmaxrxt) { 4862 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4863 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4864 } 4865 } else { 4866 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4867 net->dest_state |= SCTP_ADDR_REACHABLE; 4868 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4869 } 4870 } 4871 net->failure_threshold = paddrp->spp_pathmaxrxt; 4872 } 4873 if (paddrp->spp_flags & SPP_DSCP) { 4874 net->dscp = paddrp->spp_dscp & 0xfc; 4875 net->dscp |= 0x01; 4876 } 4877#ifdef INET6 4878 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4879 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4880 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4881 net->flowlabel |= 0x80000000; 4882 } 4883 } 4884#endif 4885 } else { 4886 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4887 if (paddrp->spp_pathmaxrxt) { 4888 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4889 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4890 if (net->dest_state & SCTP_ADDR_PF) { 4891 if (net->error_count > paddrp->spp_pathmaxrxt) { 4892 net->dest_state &= ~SCTP_ADDR_PF; 4893 } 4894 } else { 4895 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4896 (net->error_count > net->pf_threshold)) { 4897 net->dest_state |= SCTP_ADDR_PF; 4898 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4899 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4900 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4901 } 4902 } 4903 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4904 if (net->error_count > paddrp->spp_pathmaxrxt) { 4905 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4906 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4907 } 4908 } else { 4909 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4910 net->dest_state |= SCTP_ADDR_REACHABLE; 4911 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4912 } 4913 } 4914 net->failure_threshold = paddrp->spp_pathmaxrxt; 4915 } 4916 } 4917 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4918 if (paddrp->spp_hbinterval) { 4919 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4920 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4921 stcb->asoc.heart_beat_delay = 0; 4922 } 4923 /* Turn back on the timer */ 4924 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4925 if (paddrp->spp_hbinterval) { 4926 net->heart_beat_delay = paddrp->spp_hbinterval; 4927 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4928 net->heart_beat_delay = 0; 4929 } 4930 if (net->dest_state & SCTP_ADDR_NOHB) { 4931 net->dest_state &= ~SCTP_ADDR_NOHB; 4932 } 4933 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4934 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4935 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4936 } 4937 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4938 } 4939 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4940 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4941 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4942 net->dest_state |= SCTP_ADDR_NOHB; 4943 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4944 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4945 } 4946 } 4947 } 4948 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4949 } 4950 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4951 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4952 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4953 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4954 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4955 } 4956 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4957 net->mtu = paddrp->spp_pathmtu + ovh; 4958 if (net->mtu < stcb->asoc.smallest_mtu) { 4959 sctp_pathmtu_adjustment(stcb, net->mtu); 4960 } 4961 } 4962 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4963 } 4964 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4965 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4966 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4967 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4968 } 4969 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4970 } 4971 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4972 } 4973 if (paddrp->spp_flags & SPP_DSCP) { 4974 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4975 net->dscp = paddrp->spp_dscp & 0xfc; 4976 net->dscp |= 0x01; 4977 } 4978 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4979 stcb->asoc.default_dscp |= 0x01; 4980 } 4981#ifdef INET6 4982 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4983 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4984 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4985 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4986 net->flowlabel |= 0x80000000; 4987 } 4988 } 4989 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4990 stcb->asoc.default_flowlabel |= 0x80000000; 4991 } 4992#endif 4993 } 4994 SCTP_TCB_UNLOCK(stcb); 4995 } else { 4996 /************************NO TCB, SET TO default stuff ******************/ 4997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4999 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5000 SCTP_INP_WLOCK(inp); 5001 /* 5002 * For the TOS/FLOWLABEL stuff you 5003 * set it with the options on the 5004 * socket 5005 */ 5006 if (paddrp->spp_pathmaxrxt) { 5007 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5008 } 5009 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5010 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5011 else if (paddrp->spp_hbinterval) { 5012 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5013 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5014 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5015 } 5016 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5017 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5018 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5019 } else if (paddrp->spp_hbinterval) { 5020 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5021 } 5022 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5023 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5024 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5025 } 5026 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5028 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5029 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5030 } 5031 if (paddrp->spp_flags & SPP_DSCP) { 5032 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5033 inp->sctp_ep.default_dscp |= 0x01; 5034 } 5035#ifdef INET6 5036 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5037 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5038 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5039 inp->sctp_ep.default_flowlabel |= 0x80000000; 5040 } 5041 } 5042#endif 5043 SCTP_INP_WUNLOCK(inp); 5044 } else { 5045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5046 error = EINVAL; 5047 } 5048 } 5049 break; 5050 } 5051 case SCTP_RTOINFO: 5052 { 5053 struct sctp_rtoinfo *srto; 5054 uint32_t new_init, new_min, new_max; 5055 5056 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5057 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5058 5059 if (stcb) { 5060 if (srto->srto_initial) 5061 new_init = srto->srto_initial; 5062 else 5063 new_init = stcb->asoc.initial_rto; 5064 if (srto->srto_max) 5065 new_max = srto->srto_max; 5066 else 5067 new_max = stcb->asoc.maxrto; 5068 if (srto->srto_min) 5069 new_min = srto->srto_min; 5070 else 5071 new_min = stcb->asoc.minrto; 5072 if ((new_min <= new_init) && (new_init <= new_max)) { 5073 stcb->asoc.initial_rto = new_init; 5074 stcb->asoc.maxrto = new_max; 5075 stcb->asoc.minrto = new_min; 5076 } else { 5077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5078 error = EINVAL; 5079 } 5080 SCTP_TCB_UNLOCK(stcb); 5081 } else { 5082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5083 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5084 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5085 SCTP_INP_WLOCK(inp); 5086 if (srto->srto_initial) 5087 new_init = srto->srto_initial; 5088 else 5089 new_init = inp->sctp_ep.initial_rto; 5090 if (srto->srto_max) 5091 new_max = srto->srto_max; 5092 else 5093 new_max = inp->sctp_ep.sctp_maxrto; 5094 if (srto->srto_min) 5095 new_min = srto->srto_min; 5096 else 5097 new_min = inp->sctp_ep.sctp_minrto; 5098 if ((new_min <= new_init) && (new_init <= new_max)) { 5099 inp->sctp_ep.initial_rto = new_init; 5100 inp->sctp_ep.sctp_maxrto = new_max; 5101 inp->sctp_ep.sctp_minrto = new_min; 5102 } else { 5103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5104 error = EINVAL; 5105 } 5106 SCTP_INP_WUNLOCK(inp); 5107 } else { 5108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5109 error = EINVAL; 5110 } 5111 } 5112 break; 5113 } 5114 case SCTP_ASSOCINFO: 5115 { 5116 struct sctp_assocparams *sasoc; 5117 5118 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5119 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5120 if (sasoc->sasoc_cookie_life) { 5121 /* boundary check the cookie life */ 5122 if (sasoc->sasoc_cookie_life < 1000) 5123 sasoc->sasoc_cookie_life = 1000; 5124 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5125 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5126 } 5127 } 5128 if (stcb) { 5129 if (sasoc->sasoc_asocmaxrxt) 5130 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5131 if (sasoc->sasoc_cookie_life) { 5132 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5133 } 5134 SCTP_TCB_UNLOCK(stcb); 5135 } else { 5136 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5137 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5138 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5139 SCTP_INP_WLOCK(inp); 5140 if (sasoc->sasoc_asocmaxrxt) 5141 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5142 if (sasoc->sasoc_cookie_life) { 5143 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5144 } 5145 SCTP_INP_WUNLOCK(inp); 5146 } else { 5147 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5148 error = EINVAL; 5149 } 5150 } 5151 break; 5152 } 5153 case SCTP_INITMSG: 5154 { 5155 struct sctp_initmsg *sinit; 5156 5157 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5158 SCTP_INP_WLOCK(inp); 5159 if (sinit->sinit_num_ostreams) 5160 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5161 5162 if (sinit->sinit_max_instreams) 5163 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5164 5165 if (sinit->sinit_max_attempts) 5166 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5167 5168 if (sinit->sinit_max_init_timeo) 5169 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5170 SCTP_INP_WUNLOCK(inp); 5171 break; 5172 } 5173 case SCTP_PRIMARY_ADDR: 5174 { 5175 struct sctp_setprim *spa; 5176 struct sctp_nets *net; 5177 5178 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5179 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5180 5181 net = NULL; 5182 if (stcb) { 5183 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5184 } else { 5185 /* 5186 * We increment here since 5187 * sctp_findassociation_ep_addr() wil do a 5188 * decrement if it finds the stcb as long as 5189 * the locked tcb (last argument) is NOT a 5190 * TCB.. aka NULL. 5191 */ 5192 SCTP_INP_INCR_REF(inp); 5193 stcb = sctp_findassociation_ep_addr(&inp, 5194 (struct sockaddr *)&spa->ssp_addr, 5195 &net, NULL, NULL); 5196 if (stcb == NULL) { 5197 SCTP_INP_DECR_REF(inp); 5198 } 5199 } 5200 5201 if ((stcb) && (net)) { 5202 if ((net != stcb->asoc.primary_destination) && 5203 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5204 /* Ok we need to set it */ 5205 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5206 if ((stcb->asoc.alternate) && 5207 (!(net->dest_state & SCTP_ADDR_PF)) && 5208 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5209 sctp_free_remote_addr(stcb->asoc.alternate); 5210 stcb->asoc.alternate = NULL; 5211 } 5212 } 5213 } 5214 } else { 5215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5216 error = EINVAL; 5217 } 5218 if (stcb) { 5219 SCTP_TCB_UNLOCK(stcb); 5220 } 5221 break; 5222 } 5223 case SCTP_SET_DYNAMIC_PRIMARY: 5224 { 5225 union sctp_sockstore *ss; 5226 5227 error = priv_check(curthread, 5228 PRIV_NETINET_RESERVEDPORT); 5229 if (error) 5230 break; 5231 5232 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5233 /* SUPER USER CHECK? */ 5234 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5235 break; 5236 } 5237 case SCTP_SET_PEER_PRIMARY_ADDR: 5238 { 5239 struct sctp_setpeerprim *sspp; 5240 5241 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5242 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5243 if (stcb != NULL) { 5244 struct sctp_ifa *ifa; 5245 5246 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5247 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5248 if (ifa == NULL) { 5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5250 error = EINVAL; 5251 goto out_of_it; 5252 } 5253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5254 /* 5255 * Must validate the ifa found is in 5256 * our ep 5257 */ 5258 struct sctp_laddr *laddr; 5259 int found = 0; 5260 5261 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5262 if (laddr->ifa == NULL) { 5263 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5264 __FUNCTION__); 5265 continue; 5266 } 5267 if (laddr->ifa == ifa) { 5268 found = 1; 5269 break; 5270 } 5271 } 5272 if (!found) { 5273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5274 error = EINVAL; 5275 goto out_of_it; 5276 } 5277 } else { 5278 switch (sspp->sspp_addr.ss_family) { 5279#ifdef INET 5280 case AF_INET: 5281 { 5282 struct sockaddr_in *sin; 5283 5284 sin = (struct sockaddr_in *)&sspp->sspp_addr; 5285 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5286 &sin->sin_addr) != 0) { 5287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5288 error = EINVAL; 5289 goto out_of_it; 5290 } 5291 break; 5292 } 5293#endif 5294#ifdef INET6 5295 case AF_INET6: 5296 { 5297 struct sockaddr_in6 *sin6; 5298 5299 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5300 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5301 &sin6->sin6_addr) != 0) { 5302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5303 error = EINVAL; 5304 goto out_of_it; 5305 } 5306 break; 5307 } 5308#endif 5309 default: 5310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5311 error = EINVAL; 5312 goto out_of_it; 5313 } 5314 } 5315 if (sctp_set_primary_ip_address_sa(stcb, 5316 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5318 error = EINVAL; 5319 } 5320 out_of_it: 5321 SCTP_TCB_UNLOCK(stcb); 5322 } else { 5323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5324 error = EINVAL; 5325 } 5326 break; 5327 } 5328 case SCTP_BINDX_ADD_ADDR: 5329 { 5330 struct sctp_getaddresses *addrs; 5331 struct thread *td; 5332 5333 td = (struct thread *)p; 5334 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5335 optsize); 5336#ifdef INET 5337 if (addrs->addr->sa_family == AF_INET) { 5338 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5340 error = EINVAL; 5341 break; 5342 } 5343 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5344 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5345 break; 5346 } 5347 } else 5348#endif 5349#ifdef INET6 5350 if (addrs->addr->sa_family == AF_INET6) { 5351 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5353 error = EINVAL; 5354 break; 5355 } 5356 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5357 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5358 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5359 break; 5360 } 5361 } else 5362#endif 5363 { 5364 error = EAFNOSUPPORT; 5365 break; 5366 } 5367 sctp_bindx_add_address(so, inp, addrs->addr, 5368 addrs->sget_assoc_id, vrf_id, 5369 &error, p); 5370 break; 5371 } 5372 case SCTP_BINDX_REM_ADDR: 5373 { 5374 struct sctp_getaddresses *addrs; 5375 struct thread *td; 5376 5377 td = (struct thread *)p; 5378 5379 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5380#ifdef INET 5381 if (addrs->addr->sa_family == AF_INET) { 5382 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5384 error = EINVAL; 5385 break; 5386 } 5387 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5388 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5389 break; 5390 } 5391 } else 5392#endif 5393#ifdef INET6 5394 if (addrs->addr->sa_family == AF_INET6) { 5395 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5397 error = EINVAL; 5398 break; 5399 } 5400 if (td != NULL && 5401 (error = prison_local_ip6(td->td_ucred, 5402 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5403 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5404 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5405 break; 5406 } 5407 } else 5408#endif 5409 { 5410 error = EAFNOSUPPORT; 5411 break; 5412 } 5413 sctp_bindx_delete_address(inp, addrs->addr, 5414 addrs->sget_assoc_id, vrf_id, 5415 &error); 5416 break; 5417 } 5418 case SCTP_EVENT: 5419 { 5420 struct sctp_event *event; 5421 uint32_t event_type; 5422 5423 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5424 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5425 switch (event->se_type) { 5426 case SCTP_ASSOC_CHANGE: 5427 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5428 break; 5429 case SCTP_PEER_ADDR_CHANGE: 5430 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5431 break; 5432 case SCTP_REMOTE_ERROR: 5433 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5434 break; 5435 case SCTP_SEND_FAILED: 5436 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5437 break; 5438 case SCTP_SHUTDOWN_EVENT: 5439 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5440 break; 5441 case SCTP_ADAPTATION_INDICATION: 5442 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5443 break; 5444 case SCTP_PARTIAL_DELIVERY_EVENT: 5445 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5446 break; 5447 case SCTP_AUTHENTICATION_EVENT: 5448 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5449 break; 5450 case SCTP_STREAM_RESET_EVENT: 5451 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5452 break; 5453 case SCTP_SENDER_DRY_EVENT: 5454 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5455 break; 5456 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5457 event_type = 0; 5458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5459 error = ENOTSUP; 5460 break; 5461 case SCTP_ASSOC_RESET_EVENT: 5462 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5463 break; 5464 case SCTP_STREAM_CHANGE_EVENT: 5465 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5466 break; 5467 case SCTP_SEND_FAILED_EVENT: 5468 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5469 break; 5470 default: 5471 event_type = 0; 5472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5473 error = EINVAL; 5474 break; 5475 } 5476 if (event_type > 0) { 5477 if (stcb) { 5478 if (event->se_on) { 5479 sctp_stcb_feature_on(inp, stcb, event_type); 5480 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5481 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5482 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5483 (stcb->asoc.stream_queue_cnt == 0)) { 5484 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5485 } 5486 } 5487 } else { 5488 sctp_stcb_feature_off(inp, stcb, event_type); 5489 } 5490 SCTP_TCB_UNLOCK(stcb); 5491 } else { 5492 /* 5493 * We don't want to send up a storm 5494 * of events, so return an error for 5495 * sender dry events 5496 */ 5497 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5498 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5499 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5500 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5501 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5503 error = ENOTSUP; 5504 break; 5505 } 5506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5508 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5509 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5510 SCTP_INP_WLOCK(inp); 5511 if (event->se_on) { 5512 sctp_feature_on(inp, event_type); 5513 } else { 5514 sctp_feature_off(inp, event_type); 5515 } 5516 SCTP_INP_WUNLOCK(inp); 5517 } 5518 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5519 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5520 SCTP_INP_RLOCK(inp); 5521 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5522 SCTP_TCB_LOCK(stcb); 5523 if (event->se_on) { 5524 sctp_stcb_feature_on(inp, stcb, event_type); 5525 } else { 5526 sctp_stcb_feature_off(inp, stcb, event_type); 5527 } 5528 SCTP_TCB_UNLOCK(stcb); 5529 } 5530 SCTP_INP_RUNLOCK(inp); 5531 } 5532 } 5533 } 5534 break; 5535 } 5536 case SCTP_RECVRCVINFO: 5537 { 5538 int *onoff; 5539 5540 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5541 SCTP_INP_WLOCK(inp); 5542 if (*onoff != 0) { 5543 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5544 } else { 5545 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5546 } 5547 SCTP_INP_WUNLOCK(inp); 5548 break; 5549 } 5550 case SCTP_RECVNXTINFO: 5551 { 5552 int *onoff; 5553 5554 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5555 SCTP_INP_WLOCK(inp); 5556 if (*onoff != 0) { 5557 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5558 } else { 5559 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5560 } 5561 SCTP_INP_WUNLOCK(inp); 5562 break; 5563 } 5564 case SCTP_DEFAULT_SNDINFO: 5565 { 5566 struct sctp_sndinfo *info; 5567 uint16_t policy; 5568 5569 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5570 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5571 5572 if (stcb) { 5573 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5574 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5575 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5576 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5577 stcb->asoc.def_send.sinfo_flags |= policy; 5578 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5579 stcb->asoc.def_send.sinfo_context = info->snd_context; 5580 } else { 5581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5582 error = EINVAL; 5583 } 5584 SCTP_TCB_UNLOCK(stcb); 5585 } else { 5586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5588 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5589 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5590 SCTP_INP_WLOCK(inp); 5591 inp->def_send.sinfo_stream = info->snd_sid; 5592 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5593 inp->def_send.sinfo_flags = info->snd_flags; 5594 inp->def_send.sinfo_flags |= policy; 5595 inp->def_send.sinfo_ppid = info->snd_ppid; 5596 inp->def_send.sinfo_context = info->snd_context; 5597 SCTP_INP_WUNLOCK(inp); 5598 } 5599 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5600 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5601 SCTP_INP_RLOCK(inp); 5602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5603 SCTP_TCB_LOCK(stcb); 5604 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5605 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5606 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5607 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5608 stcb->asoc.def_send.sinfo_flags |= policy; 5609 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5610 stcb->asoc.def_send.sinfo_context = info->snd_context; 5611 } 5612 SCTP_TCB_UNLOCK(stcb); 5613 } 5614 SCTP_INP_RUNLOCK(inp); 5615 } 5616 } 5617 break; 5618 } 5619 case SCTP_DEFAULT_PRINFO: 5620 { 5621 struct sctp_default_prinfo *info; 5622 5623 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5624 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5625 5626 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5628 error = EINVAL; 5629 break; 5630 } 5631 if (stcb) { 5632 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5633 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5634 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5635 SCTP_TCB_UNLOCK(stcb); 5636 } else { 5637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5638 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5639 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5640 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5641 SCTP_INP_WLOCK(inp); 5642 inp->def_send.sinfo_flags &= 0xfff0; 5643 inp->def_send.sinfo_flags |= info->pr_policy; 5644 inp->def_send.sinfo_timetolive = info->pr_value; 5645 SCTP_INP_WUNLOCK(inp); 5646 } 5647 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5648 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5649 SCTP_INP_RLOCK(inp); 5650 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5651 SCTP_TCB_LOCK(stcb); 5652 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5653 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5654 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5655 SCTP_TCB_UNLOCK(stcb); 5656 } 5657 SCTP_INP_RUNLOCK(inp); 5658 } 5659 } 5660 break; 5661 } 5662 case SCTP_PEER_ADDR_THLDS: 5663 /* Applies to the specific association */ 5664 { 5665 struct sctp_paddrthlds *thlds; 5666 struct sctp_nets *net; 5667 5668 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5669 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5670 net = NULL; 5671 if (stcb) { 5672 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 5673 } else { 5674 /* 5675 * We increment here since 5676 * sctp_findassociation_ep_addr() wil do a 5677 * decrement if it finds the stcb as long as 5678 * the locked tcb (last argument) is NOT a 5679 * TCB.. aka NULL. 5680 */ 5681 SCTP_INP_INCR_REF(inp); 5682 stcb = sctp_findassociation_ep_addr(&inp, 5683 (struct sockaddr *)&thlds->spt_address, 5684 &net, NULL, NULL); 5685 if (stcb == NULL) { 5686 SCTP_INP_DECR_REF(inp); 5687 } 5688 } 5689 if (stcb && (net == NULL)) { 5690 struct sockaddr *sa; 5691 5692 sa = (struct sockaddr *)&thlds->spt_address; 5693#ifdef INET 5694 if (sa->sa_family == AF_INET) { 5695 5696 struct sockaddr_in *sin; 5697 5698 sin = (struct sockaddr_in *)sa; 5699 if (sin->sin_addr.s_addr) { 5700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5701 SCTP_TCB_UNLOCK(stcb); 5702 error = EINVAL; 5703 break; 5704 } 5705 } else 5706#endif 5707#ifdef INET6 5708 if (sa->sa_family == AF_INET6) { 5709 struct sockaddr_in6 *sin6; 5710 5711 sin6 = (struct sockaddr_in6 *)sa; 5712 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5714 SCTP_TCB_UNLOCK(stcb); 5715 error = EINVAL; 5716 break; 5717 } 5718 } else 5719#endif 5720 { 5721 error = EAFNOSUPPORT; 5722 SCTP_TCB_UNLOCK(stcb); 5723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5724 break; 5725 } 5726 } 5727 if (stcb) { 5728 if (net) { 5729 if (net->dest_state & SCTP_ADDR_PF) { 5730 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5731 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5732 net->dest_state &= ~SCTP_ADDR_PF; 5733 } 5734 } else { 5735 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5736 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5737 net->dest_state |= SCTP_ADDR_PF; 5738 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5739 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5740 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5741 } 5742 } 5743 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5744 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5745 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5746 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5747 } 5748 } else { 5749 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5750 net->dest_state |= SCTP_ADDR_REACHABLE; 5751 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5752 } 5753 } 5754 net->failure_threshold = thlds->spt_pathmaxrxt; 5755 net->pf_threshold = thlds->spt_pathpfthld; 5756 } else { 5757 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5758 if (net->dest_state & SCTP_ADDR_PF) { 5759 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5760 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5761 net->dest_state &= ~SCTP_ADDR_PF; 5762 } 5763 } else { 5764 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5765 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5766 net->dest_state |= SCTP_ADDR_PF; 5767 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5768 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5769 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5770 } 5771 } 5772 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5773 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5774 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5775 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5776 } 5777 } else { 5778 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5779 net->dest_state |= SCTP_ADDR_REACHABLE; 5780 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5781 } 5782 } 5783 net->failure_threshold = thlds->spt_pathmaxrxt; 5784 net->pf_threshold = thlds->spt_pathpfthld; 5785 } 5786 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5787 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5788 } 5789 } else { 5790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5792 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5793 SCTP_INP_WLOCK(inp); 5794 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5795 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5796 SCTP_INP_WUNLOCK(inp); 5797 } else { 5798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5799 error = EINVAL; 5800 } 5801 } 5802 break; 5803 } 5804 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5805 { 5806 struct sctp_udpencaps *encaps; 5807 struct sctp_nets *net; 5808 5809 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5810 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5811 if (stcb) { 5812 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5813 } else { 5814 /* 5815 * We increment here since 5816 * sctp_findassociation_ep_addr() wil do a 5817 * decrement if it finds the stcb as long as 5818 * the locked tcb (last argument) is NOT a 5819 * TCB.. aka NULL. 5820 */ 5821 net = NULL; 5822 SCTP_INP_INCR_REF(inp); 5823 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5824 if (stcb == NULL) { 5825 SCTP_INP_DECR_REF(inp); 5826 } 5827 } 5828 if (stcb && (net == NULL)) { 5829 struct sockaddr *sa; 5830 5831 sa = (struct sockaddr *)&encaps->sue_address; 5832#ifdef INET 5833 if (sa->sa_family == AF_INET) { 5834 5835 struct sockaddr_in *sin; 5836 5837 sin = (struct sockaddr_in *)sa; 5838 if (sin->sin_addr.s_addr) { 5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5840 SCTP_TCB_UNLOCK(stcb); 5841 error = EINVAL; 5842 break; 5843 } 5844 } else 5845#endif 5846#ifdef INET6 5847 if (sa->sa_family == AF_INET6) { 5848 struct sockaddr_in6 *sin6; 5849 5850 sin6 = (struct sockaddr_in6 *)sa; 5851 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5853 SCTP_TCB_UNLOCK(stcb); 5854 error = EINVAL; 5855 break; 5856 } 5857 } else 5858#endif 5859 { 5860 error = EAFNOSUPPORT; 5861 SCTP_TCB_UNLOCK(stcb); 5862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5863 break; 5864 } 5865 } 5866 if (stcb) { 5867 if (net) { 5868 net->port = encaps->sue_port; 5869 } else { 5870 stcb->asoc.port = encaps->sue_port; 5871 } 5872 SCTP_TCB_UNLOCK(stcb); 5873 } else { 5874 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5876 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5877 SCTP_INP_WLOCK(inp); 5878 inp->sctp_ep.port = encaps->sue_port; 5879 SCTP_INP_WUNLOCK(inp); 5880 } else { 5881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5882 error = EINVAL; 5883 } 5884 } 5885 break; 5886 } 5887 case SCTP_ECN_SUPPORTED: 5888 { 5889 struct sctp_assoc_value *av; 5890 5891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5892 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5893 5894 if (stcb) { 5895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5896 error = EINVAL; 5897 SCTP_TCB_UNLOCK(stcb); 5898 } else { 5899 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5900 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5901 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 5902 SCTP_INP_WLOCK(inp); 5903 if (av->assoc_value == 0) { 5904 inp->ecn_supported = 0; 5905 } else { 5906 inp->ecn_supported = 1; 5907 } 5908 SCTP_INP_WUNLOCK(inp); 5909 } else { 5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5911 error = EINVAL; 5912 } 5913 } 5914 break; 5915 } 5916 default: 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5918 error = ENOPROTOOPT; 5919 break; 5920 } /* end switch (opt) */ 5921 return (error); 5922} 5923 5924int 5925sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5926{ 5927 void *optval = NULL; 5928 size_t optsize = 0; 5929 void *p; 5930 int error = 0; 5931 5932 if (sopt->sopt_level != IPPROTO_SCTP) { 5933 /* wrong proto level... send back up to IP */ 5934#ifdef INET6 5935 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5936 error = ip6_ctloutput(so, sopt); 5937#endif /* INET6 */ 5938#if defined(INET) && defined(INET6) 5939 else 5940#endif 5941#ifdef INET 5942 error = ip_ctloutput(so, sopt); 5943#endif 5944 return (error); 5945 } 5946 optsize = sopt->sopt_valsize; 5947 if (optsize) { 5948 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5949 if (optval == NULL) { 5950 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5951 return (ENOBUFS); 5952 } 5953 error = sooptcopyin(sopt, optval, optsize, optsize); 5954 if (error) { 5955 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5956 goto out; 5957 } 5958 } 5959 p = (void *)sopt->sopt_td; 5960 if (sopt->sopt_dir == SOPT_SET) { 5961 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5962 } else if (sopt->sopt_dir == SOPT_GET) { 5963 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5964 } else { 5965 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5966 error = EINVAL; 5967 } 5968 if ((error == 0) && (optval != NULL)) { 5969 error = sooptcopyout(sopt, optval, optsize); 5970 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5971 } else if (optval != NULL) { 5972 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5973 } 5974out: 5975 return (error); 5976} 5977 5978#ifdef INET 5979static int 5980sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5981{ 5982 int error = 0; 5983 int create_lock_on = 0; 5984 uint32_t vrf_id; 5985 struct sctp_inpcb *inp; 5986 struct sctp_tcb *stcb = NULL; 5987 5988 inp = (struct sctp_inpcb *)so->so_pcb; 5989 if (inp == NULL) { 5990 /* I made the same as TCP since we are not setup? */ 5991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5992 return (ECONNRESET); 5993 } 5994 if (addr == NULL) { 5995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5996 return EINVAL; 5997 } 5998 switch (addr->sa_family) { 5999#ifdef INET6 6000 case AF_INET6: 6001 { 6002 struct sockaddr_in6 *sin6p; 6003 6004 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6006 return (EINVAL); 6007 } 6008 sin6p = (struct sockaddr_in6 *)addr; 6009 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6011 return (error); 6012 } 6013 break; 6014 } 6015#endif 6016#ifdef INET 6017 case AF_INET: 6018 { 6019 struct sockaddr_in *sinp; 6020 6021 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6023 return (EINVAL); 6024 } 6025 sinp = (struct sockaddr_in *)addr; 6026 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6028 return (error); 6029 } 6030 break; 6031 } 6032#endif 6033 default: 6034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6035 return (EAFNOSUPPORT); 6036 } 6037 SCTP_INP_INCR_REF(inp); 6038 SCTP_ASOC_CREATE_LOCK(inp); 6039 create_lock_on = 1; 6040 6041 6042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6043 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6044 /* Should I really unlock ? */ 6045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6046 error = EFAULT; 6047 goto out_now; 6048 } 6049#ifdef INET6 6050 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6051 (addr->sa_family == AF_INET6)) { 6052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6053 error = EINVAL; 6054 goto out_now; 6055 } 6056#endif 6057 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6058 SCTP_PCB_FLAGS_UNBOUND) { 6059 /* Bind a ephemeral port */ 6060 error = sctp_inpcb_bind(so, NULL, NULL, p); 6061 if (error) { 6062 goto out_now; 6063 } 6064 } 6065 /* Now do we connect? */ 6066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6067 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6069 error = EINVAL; 6070 goto out_now; 6071 } 6072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6073 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6074 /* We are already connected AND the TCP model */ 6075 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6076 error = EADDRINUSE; 6077 goto out_now; 6078 } 6079 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6080 SCTP_INP_RLOCK(inp); 6081 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6082 SCTP_INP_RUNLOCK(inp); 6083 } else { 6084 /* 6085 * We increment here since sctp_findassociation_ep_addr() 6086 * will do a decrement if it finds the stcb as long as the 6087 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6088 */ 6089 SCTP_INP_INCR_REF(inp); 6090 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6091 if (stcb == NULL) { 6092 SCTP_INP_DECR_REF(inp); 6093 } else { 6094 SCTP_TCB_UNLOCK(stcb); 6095 } 6096 } 6097 if (stcb != NULL) { 6098 /* Already have or am bring up an association */ 6099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6100 error = EALREADY; 6101 goto out_now; 6102 } 6103 vrf_id = inp->def_vrf_id; 6104 /* We are GOOD to go */ 6105 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6106 if (stcb == NULL) { 6107 /* Gak! no memory */ 6108 goto out_now; 6109 } 6110 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6111 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6112 /* Set the connected flag so we can queue data */ 6113 soisconnecting(so); 6114 } 6115 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6116 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6117 6118 /* initialize authentication parameters for the assoc */ 6119 sctp_initialize_auth_params(inp, stcb); 6120 6121 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6122 SCTP_TCB_UNLOCK(stcb); 6123out_now: 6124 if (create_lock_on) { 6125 SCTP_ASOC_CREATE_UNLOCK(inp); 6126 } 6127 SCTP_INP_DECR_REF(inp); 6128 return (error); 6129} 6130 6131#endif 6132 6133int 6134sctp_listen(struct socket *so, int backlog, struct thread *p) 6135{ 6136 /* 6137 * Note this module depends on the protocol processing being called 6138 * AFTER any socket level flags and backlog are applied to the 6139 * socket. The traditional way that the socket flags are applied is 6140 * AFTER protocol processing. We have made a change to the 6141 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6142 * place if the socket API for SCTP is to work properly. 6143 */ 6144 6145 int error = 0; 6146 struct sctp_inpcb *inp; 6147 6148 inp = (struct sctp_inpcb *)so->so_pcb; 6149 if (inp == NULL) { 6150 /* I made the same as TCP since we are not setup? */ 6151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6152 return (ECONNRESET); 6153 } 6154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6155 /* See if we have a listener */ 6156 struct sctp_inpcb *tinp; 6157 union sctp_sockstore store; 6158 6159 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6160 /* not bound all */ 6161 struct sctp_laddr *laddr; 6162 6163 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6164 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6165 switch (store.sa.sa_family) { 6166#ifdef INET 6167 case AF_INET: 6168 store.sin.sin_port = inp->sctp_lport; 6169 break; 6170#endif 6171#ifdef INET6 6172 case AF_INET6: 6173 store.sin6.sin6_port = inp->sctp_lport; 6174 break; 6175#endif 6176 default: 6177 break; 6178 } 6179 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6180 if (tinp && (tinp != inp) && 6181 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6182 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6183 (tinp->sctp_socket->so_qlimit)) { 6184 /* 6185 * we have a listener already and 6186 * its not this inp. 6187 */ 6188 SCTP_INP_DECR_REF(tinp); 6189 return (EADDRINUSE); 6190 } else if (tinp) { 6191 SCTP_INP_DECR_REF(tinp); 6192 } 6193 } 6194 } else { 6195 /* Setup a local addr bound all */ 6196 memset(&store, 0, sizeof(store)); 6197#ifdef INET6 6198 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6199 store.sa.sa_family = AF_INET6; 6200 store.sa.sa_len = sizeof(struct sockaddr_in6); 6201 } 6202#endif 6203#ifdef INET 6204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6205 store.sa.sa_family = AF_INET; 6206 store.sa.sa_len = sizeof(struct sockaddr_in); 6207 } 6208#endif 6209 switch (store.sa.sa_family) { 6210#ifdef INET 6211 case AF_INET: 6212 store.sin.sin_port = inp->sctp_lport; 6213 break; 6214#endif 6215#ifdef INET6 6216 case AF_INET6: 6217 store.sin6.sin6_port = inp->sctp_lport; 6218 break; 6219#endif 6220 default: 6221 break; 6222 } 6223 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6224 if (tinp && (tinp != inp) && 6225 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6226 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6227 (tinp->sctp_socket->so_qlimit)) { 6228 /* 6229 * we have a listener already and its not 6230 * this inp. 6231 */ 6232 SCTP_INP_DECR_REF(tinp); 6233 return (EADDRINUSE); 6234 } else if (tinp) { 6235 SCTP_INP_DECR_REF(inp); 6236 } 6237 } 6238 } 6239 SCTP_INP_RLOCK(inp); 6240#ifdef SCTP_LOCK_LOGGING 6241 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6242 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6243 } 6244#endif 6245 SOCK_LOCK(so); 6246 error = solisten_proto_check(so); 6247 if (error) { 6248 SOCK_UNLOCK(so); 6249 SCTP_INP_RUNLOCK(inp); 6250 return (error); 6251 } 6252 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6253 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6254 /* 6255 * The unlucky case - We are in the tcp pool with this guy. 6256 * - Someone else is in the main inp slot. - We must move 6257 * this guy (the listener) to the main slot - We must then 6258 * move the guy that was listener to the TCP Pool. 6259 */ 6260 if (sctp_swap_inpcb_for_listen(inp)) { 6261 goto in_use; 6262 } 6263 } 6264 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6265 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6266 /* We are already connected AND the TCP model */ 6267in_use: 6268 SCTP_INP_RUNLOCK(inp); 6269 SOCK_UNLOCK(so); 6270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6271 return (EADDRINUSE); 6272 } 6273 SCTP_INP_RUNLOCK(inp); 6274 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6275 /* We must do a bind. */ 6276 SOCK_UNLOCK(so); 6277 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6278 /* bind error, probably perm */ 6279 return (error); 6280 } 6281 SOCK_LOCK(so); 6282 } 6283 /* It appears for 7.0 and on, we must always call this. */ 6284 solisten_proto(so, backlog); 6285 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6286 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6287 so->so_options &= ~SO_ACCEPTCONN; 6288 } 6289 if (backlog == 0) { 6290 /* turning off listen */ 6291 so->so_options &= ~SO_ACCEPTCONN; 6292 } 6293 SOCK_UNLOCK(so); 6294 return (error); 6295} 6296 6297static int sctp_defered_wakeup_cnt = 0; 6298 6299int 6300sctp_accept(struct socket *so, struct sockaddr **addr) 6301{ 6302 struct sctp_tcb *stcb; 6303 struct sctp_inpcb *inp; 6304 union sctp_sockstore store; 6305 6306#ifdef INET6 6307 int error; 6308 6309#endif 6310 inp = (struct sctp_inpcb *)so->so_pcb; 6311 6312 if (inp == NULL) { 6313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6314 return (ECONNRESET); 6315 } 6316 SCTP_INP_RLOCK(inp); 6317 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6318 SCTP_INP_RUNLOCK(inp); 6319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6320 return (EOPNOTSUPP); 6321 } 6322 if (so->so_state & SS_ISDISCONNECTED) { 6323 SCTP_INP_RUNLOCK(inp); 6324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6325 return (ECONNABORTED); 6326 } 6327 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6328 if (stcb == NULL) { 6329 SCTP_INP_RUNLOCK(inp); 6330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6331 return (ECONNRESET); 6332 } 6333 SCTP_TCB_LOCK(stcb); 6334 SCTP_INP_RUNLOCK(inp); 6335 store = stcb->asoc.primary_destination->ro._l_addr; 6336 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6337 SCTP_TCB_UNLOCK(stcb); 6338 switch (store.sa.sa_family) { 6339#ifdef INET 6340 case AF_INET: 6341 { 6342 struct sockaddr_in *sin; 6343 6344 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6345 if (sin == NULL) 6346 return (ENOMEM); 6347 sin->sin_family = AF_INET; 6348 sin->sin_len = sizeof(*sin); 6349 sin->sin_port = store.sin.sin_port; 6350 sin->sin_addr = store.sin.sin_addr; 6351 *addr = (struct sockaddr *)sin; 6352 break; 6353 } 6354#endif 6355#ifdef INET6 6356 case AF_INET6: 6357 { 6358 struct sockaddr_in6 *sin6; 6359 6360 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6361 if (sin6 == NULL) 6362 return (ENOMEM); 6363 sin6->sin6_family = AF_INET6; 6364 sin6->sin6_len = sizeof(*sin6); 6365 sin6->sin6_port = store.sin6.sin6_port; 6366 sin6->sin6_addr = store.sin6.sin6_addr; 6367 if ((error = sa6_recoverscope(sin6)) != 0) { 6368 SCTP_FREE_SONAME(sin6); 6369 return (error); 6370 } 6371 *addr = (struct sockaddr *)sin6; 6372 break; 6373 } 6374#endif 6375 default: 6376 /* TSNH */ 6377 break; 6378 } 6379 /* Wake any delayed sleep action */ 6380 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6381 SCTP_INP_WLOCK(inp); 6382 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6383 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6384 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6385 SCTP_INP_WUNLOCK(inp); 6386 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6387 if (sowriteable(inp->sctp_socket)) { 6388 sowwakeup_locked(inp->sctp_socket); 6389 } else { 6390 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6391 } 6392 SCTP_INP_WLOCK(inp); 6393 } 6394 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6395 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6396 SCTP_INP_WUNLOCK(inp); 6397 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6398 if (soreadable(inp->sctp_socket)) { 6399 sctp_defered_wakeup_cnt++; 6400 sorwakeup_locked(inp->sctp_socket); 6401 } else { 6402 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6403 } 6404 SCTP_INP_WLOCK(inp); 6405 } 6406 SCTP_INP_WUNLOCK(inp); 6407 } 6408 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6409 SCTP_TCB_LOCK(stcb); 6410 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6411 } 6412 return (0); 6413} 6414 6415#ifdef INET 6416int 6417sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6418{ 6419 struct sockaddr_in *sin; 6420 uint32_t vrf_id; 6421 struct sctp_inpcb *inp; 6422 struct sctp_ifa *sctp_ifa; 6423 6424 /* 6425 * Do the malloc first in case it blocks. 6426 */ 6427 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6428 if (sin == NULL) 6429 return (ENOMEM); 6430 sin->sin_family = AF_INET; 6431 sin->sin_len = sizeof(*sin); 6432 inp = (struct sctp_inpcb *)so->so_pcb; 6433 if (!inp) { 6434 SCTP_FREE_SONAME(sin); 6435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6436 return (ECONNRESET); 6437 } 6438 SCTP_INP_RLOCK(inp); 6439 sin->sin_port = inp->sctp_lport; 6440 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6441 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6442 struct sctp_tcb *stcb; 6443 struct sockaddr_in *sin_a; 6444 struct sctp_nets *net; 6445 int fnd; 6446 6447 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6448 if (stcb == NULL) { 6449 goto notConn; 6450 } 6451 fnd = 0; 6452 sin_a = NULL; 6453 SCTP_TCB_LOCK(stcb); 6454 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6455 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6456 if (sin_a == NULL) 6457 /* this will make coverity happy */ 6458 continue; 6459 6460 if (sin_a->sin_family == AF_INET) { 6461 fnd = 1; 6462 break; 6463 } 6464 } 6465 if ((!fnd) || (sin_a == NULL)) { 6466 /* punt */ 6467 SCTP_TCB_UNLOCK(stcb); 6468 goto notConn; 6469 } 6470 vrf_id = inp->def_vrf_id; 6471 sctp_ifa = sctp_source_address_selection(inp, 6472 stcb, 6473 (sctp_route_t *) & net->ro, 6474 net, 0, vrf_id); 6475 if (sctp_ifa) { 6476 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6477 sctp_free_ifa(sctp_ifa); 6478 } 6479 SCTP_TCB_UNLOCK(stcb); 6480 } else { 6481 /* For the bound all case you get back 0 */ 6482 notConn: 6483 sin->sin_addr.s_addr = 0; 6484 } 6485 6486 } else { 6487 /* Take the first IPv4 address in the list */ 6488 struct sctp_laddr *laddr; 6489 int fnd = 0; 6490 6491 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6492 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6493 struct sockaddr_in *sin_a; 6494 6495 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6496 sin->sin_addr = sin_a->sin_addr; 6497 fnd = 1; 6498 break; 6499 } 6500 } 6501 if (!fnd) { 6502 SCTP_FREE_SONAME(sin); 6503 SCTP_INP_RUNLOCK(inp); 6504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6505 return (ENOENT); 6506 } 6507 } 6508 SCTP_INP_RUNLOCK(inp); 6509 (*addr) = (struct sockaddr *)sin; 6510 return (0); 6511} 6512 6513int 6514sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6515{ 6516 struct sockaddr_in *sin; 6517 int fnd; 6518 struct sockaddr_in *sin_a; 6519 struct sctp_inpcb *inp; 6520 struct sctp_tcb *stcb; 6521 struct sctp_nets *net; 6522 6523 /* Do the malloc first in case it blocks. */ 6524 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6525 if (sin == NULL) 6526 return (ENOMEM); 6527 sin->sin_family = AF_INET; 6528 sin->sin_len = sizeof(*sin); 6529 6530 inp = (struct sctp_inpcb *)so->so_pcb; 6531 if ((inp == NULL) || 6532 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6533 /* UDP type and listeners will drop out here */ 6534 SCTP_FREE_SONAME(sin); 6535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6536 return (ENOTCONN); 6537 } 6538 SCTP_INP_RLOCK(inp); 6539 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6540 if (stcb) { 6541 SCTP_TCB_LOCK(stcb); 6542 } 6543 SCTP_INP_RUNLOCK(inp); 6544 if (stcb == NULL) { 6545 SCTP_FREE_SONAME(sin); 6546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6547 return (ECONNRESET); 6548 } 6549 fnd = 0; 6550 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6551 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6552 if (sin_a->sin_family == AF_INET) { 6553 fnd = 1; 6554 sin->sin_port = stcb->rport; 6555 sin->sin_addr = sin_a->sin_addr; 6556 break; 6557 } 6558 } 6559 SCTP_TCB_UNLOCK(stcb); 6560 if (!fnd) { 6561 /* No IPv4 address */ 6562 SCTP_FREE_SONAME(sin); 6563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6564 return (ENOENT); 6565 } 6566 (*addr) = (struct sockaddr *)sin; 6567 return (0); 6568} 6569 6570struct pr_usrreqs sctp_usrreqs = { 6571 .pru_abort = sctp_abort, 6572 .pru_accept = sctp_accept, 6573 .pru_attach = sctp_attach, 6574 .pru_bind = sctp_bind, 6575 .pru_connect = sctp_connect, 6576 .pru_control = in_control, 6577 .pru_close = sctp_close, 6578 .pru_detach = sctp_close, 6579 .pru_sopoll = sopoll_generic, 6580 .pru_flush = sctp_flush, 6581 .pru_disconnect = sctp_disconnect, 6582 .pru_listen = sctp_listen, 6583 .pru_peeraddr = sctp_peeraddr, 6584 .pru_send = sctp_sendm, 6585 .pru_shutdown = sctp_shutdown, 6586 .pru_sockaddr = sctp_ingetaddr, 6587 .pru_sosend = sctp_sosend, 6588 .pru_soreceive = sctp_soreceive 6589}; 6590 6591#endif 6592