sctp_usrreq.c revision 283822
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 283822 2015-05-31 12:46:40Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#include <netinet6/sctp6_var.h> 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85#if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92void 93sctp_finish(void) 94{ 95 sctp_pcb_finish(); 96} 97 98 99 100void 101sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102{ 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143} 144 145#ifdef INET 146static void 147sctp_notify_mbuf(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 struct ip *ip, 151 struct sctphdr *sh) 152{ 153 struct icmp *icmph; 154 int totsz, tmr_stopped = 0; 155 uint16_t nxtsz; 156 157 /* protection */ 158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 159 (ip == NULL) || (sh == NULL)) { 160 if (stcb != NULL) { 161 SCTP_TCB_UNLOCK(stcb); 162 } 163 return; 164 } 165 /* First job is to verify the vtag matches what I would send */ 166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 167 SCTP_TCB_UNLOCK(stcb); 168 return; 169 } 170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 171 sizeof(struct ip))); 172 if (icmph->icmp_type != ICMP_UNREACH) { 173 /* We only care about unreachable */ 174 SCTP_TCB_UNLOCK(stcb); 175 return; 176 } 177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 178 /* not a unreachable message due to frag. */ 179 SCTP_TCB_UNLOCK(stcb); 180 return; 181 } 182 totsz = ntohs(ip->ip_len); 183 184 nxtsz = ntohs(icmph->icmp_nextmtu); 185 if (nxtsz == 0) { 186 /* 187 * old type router that does not tell us what the next size 188 * mtu is. Rats we will have to guess (in a educated fashion 189 * of course) 190 */ 191 nxtsz = sctp_get_prev_mtu(totsz); 192 } 193 /* Stop any PMTU timer */ 194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 195 tmr_stopped = 1; 196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 198 } 199 /* Adjust destination size limit */ 200 if (net->mtu > nxtsz) { 201 net->mtu = nxtsz; 202 if (net->port) { 203 net->mtu -= sizeof(struct udphdr); 204 } 205 } 206 /* now what about the ep? */ 207 if (stcb->asoc.smallest_mtu > nxtsz) { 208 sctp_pathmtu_adjustment(stcb, nxtsz); 209 } 210 if (tmr_stopped) 211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 212 213 SCTP_TCB_UNLOCK(stcb); 214} 215 216void 217sctp_notify(struct sctp_inpcb *inp, 218 struct ip *ip, 219 struct sctphdr *sh, 220 struct sockaddr *to, 221 struct sctp_tcb *stcb, 222 struct sctp_nets *net) 223{ 224#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 225 struct socket *so; 226 227#endif 228 struct icmp *icmph; 229 230 /* protection */ 231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 232 (sh == NULL) || (to == NULL)) { 233 if (stcb) 234 SCTP_TCB_UNLOCK(stcb); 235 return; 236 } 237 /* First job is to verify the vtag matches what I would send */ 238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 239 SCTP_TCB_UNLOCK(stcb); 240 return; 241 } 242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 243 sizeof(struct ip))); 244 if (icmph->icmp_type != ICMP_UNREACH) { 245 /* We only care about unreachable */ 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 250 (icmph->icmp_code == ICMP_UNREACH_HOST) || 251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 257 258 /* 259 * Hmm reachablity problems we must examine closely. If its 260 * not reachable, we may have lost a network. Or if there is 261 * NO protocol at the other end named SCTP. well we consider 262 * it a OOTB abort. 263 */ 264 if (net->dest_state & SCTP_ADDR_REACHABLE) { 265 /* Ok that destination is NOT reachable */ 266 net->dest_state &= ~SCTP_ADDR_REACHABLE; 267 net->dest_state &= ~SCTP_ADDR_PF; 268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 269 stcb, 0, 270 (void *)net, SCTP_SO_NOT_LOCKED); 271 } 272 SCTP_TCB_UNLOCK(stcb); 273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 274 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 275 /* 276 * Here the peer is either playing tricks on us, including 277 * an address that belongs to someone who does not support 278 * SCTP OR was a userland implementation that shutdown and 279 * now is dead. In either case treat it like a OOTB abort 280 * with no TCB 281 */ 282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 283#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 284 so = SCTP_INP_SO(inp); 285 atomic_add_int(&stcb->asoc.refcnt, 1); 286 SCTP_TCB_UNLOCK(stcb); 287 SCTP_SOCKET_LOCK(so, 1); 288 SCTP_TCB_LOCK(stcb); 289 atomic_subtract_int(&stcb->asoc.refcnt, 1); 290#endif 291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 292 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 293#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 294 SCTP_SOCKET_UNLOCK(so, 1); 295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 296#endif 297 /* no need to unlock here, since the TCB is gone */ 298 } else { 299 SCTP_TCB_UNLOCK(stcb); 300 } 301} 302 303#endif 304 305#ifdef INET 306void 307sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311{ 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373} 374 375#endif 376 377static int 378sctp_getcred(SYSCTL_HANDLER_ARGS) 379{ 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431out: 432 return (error); 433} 434 435SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439#ifdef INET 440static void 441sctp_abort(struct socket *so) 442{ 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450sctp_must_try_again: 451 flags = inp->sctp_flags; 452#ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454#endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457#ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459#endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480} 481 482static int 483sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484{ 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490#ifdef IPSEC 491 uint32_t flags; 492 493#endif 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp != 0) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 502 if (error) { 503 return (error); 504 } 505 } 506 error = sctp_inpcb_alloc(so, vrf_id); 507 if (error) { 508 return (error); 509 } 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 SCTP_INP_WLOCK(inp); 512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 513 ip_inp = &inp->ip_inp.inp; 514 ip_inp->inp_vflag |= INP_IPV4; 515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 516#ifdef IPSEC 517 error = ipsec_init_policy(so, &ip_inp->inp_sp); 518#ifdef SCTP_LOG_CLOSING 519 sctp_log_closing(inp, NULL, 17); 520#endif 521 if (error != 0) { 522try_again: 523 flags = inp->sctp_flags; 524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 526#ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 15); 528#endif 529 SCTP_INP_WUNLOCK(inp); 530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 532 } else { 533 flags = inp->sctp_flags; 534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 535 goto try_again; 536 } else { 537 SCTP_INP_WUNLOCK(inp); 538 } 539 } 540 return (error); 541 } 542#endif /* IPSEC */ 543 SCTP_INP_WUNLOCK(inp); 544 return (0); 545} 546 547static int 548sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 549{ 550 struct sctp_inpcb *inp; 551 552 inp = (struct sctp_inpcb *)so->so_pcb; 553 if (inp == NULL) { 554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 555 return (EINVAL); 556 } 557 if (addr != NULL) { 558 if ((addr->sa_family != AF_INET) || 559 (addr->sa_len != sizeof(struct sockaddr_in))) { 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563 } 564 return (sctp_inpcb_bind(so, addr, NULL, p)); 565} 566 567#endif 568void 569sctp_close(struct socket *so) 570{ 571 struct sctp_inpcb *inp; 572 uint32_t flags; 573 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == NULL) 576 return; 577 578 /* 579 * Inform all the lower layer assoc that we are done. 580 */ 581sctp_must_try_again: 582 flags = inp->sctp_flags; 583#ifdef SCTP_LOG_CLOSING 584 sctp_log_closing(inp, NULL, 17); 585#endif 586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 589 (so->so_rcv.sb_cc > 0)) { 590#ifdef SCTP_LOG_CLOSING 591 sctp_log_closing(inp, NULL, 13); 592#endif 593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 595 } else { 596#ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 14); 598#endif 599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 601 } 602 /* 603 * The socket is now detached, no matter what the state of 604 * the SCTP association. 605 */ 606 SOCK_LOCK(so); 607 SCTP_SB_CLEAR(so->so_snd); 608 /* 609 * same for the rcv ones, they are only here for the 610 * accounting/select. 611 */ 612 SCTP_SB_CLEAR(so->so_rcv); 613 614 /* Now null out the reference, we are completely detached. */ 615 so->so_pcb = NULL; 616 SOCK_UNLOCK(so); 617 } else { 618 flags = inp->sctp_flags; 619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 620 goto sctp_must_try_again; 621 } 622 } 623 return; 624} 625 626 627int 628sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 629 struct mbuf *control, struct thread *p); 630 631 632int 633sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 634 struct mbuf *control, struct thread *p) 635{ 636 struct sctp_inpcb *inp; 637 int error; 638 639 inp = (struct sctp_inpcb *)so->so_pcb; 640 if (inp == NULL) { 641 if (control) { 642 sctp_m_freem(control); 643 control = NULL; 644 } 645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 646 sctp_m_freem(m); 647 return (EINVAL); 648 } 649 /* Got to have an to address if we are NOT a connected socket */ 650 if ((addr == NULL) && 651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 653 goto connected_type; 654 } else if (addr == NULL) { 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 656 error = EDESTADDRREQ; 657 sctp_m_freem(m); 658 if (control) { 659 sctp_m_freem(control); 660 control = NULL; 661 } 662 return (error); 663 } 664#ifdef INET6 665 if (addr->sa_family != AF_INET) { 666 /* must be a v4 address! */ 667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 668 sctp_m_freem(m); 669 if (control) { 670 sctp_m_freem(control); 671 control = NULL; 672 } 673 error = EDESTADDRREQ; 674 return (error); 675 } 676#endif /* INET6 */ 677connected_type: 678 /* now what about control */ 679 if (control) { 680 if (inp->control) { 681 SCTP_PRINTF("huh? control set?\n"); 682 sctp_m_freem(inp->control); 683 inp->control = NULL; 684 } 685 inp->control = control; 686 } 687 /* Place the data */ 688 if (inp->pkt) { 689 SCTP_BUF_NEXT(inp->pkt_last) = m; 690 inp->pkt_last = m; 691 } else { 692 inp->pkt_last = inp->pkt = m; 693 } 694 if ( 695 /* FreeBSD uses a flag passed */ 696 ((flags & PRUS_MORETOCOME) == 0) 697 ) { 698 /* 699 * note with the current version this code will only be used 700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 701 * re-defining sosend to use the sctp_sosend. One can 702 * optionally switch back to this code (by changing back the 703 * definitions) but this is not advisable. This code is used 704 * by FreeBSD when sending a file with sendfile() though. 705 */ 706 int ret; 707 708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 709 inp->pkt = NULL; 710 inp->control = NULL; 711 return (ret); 712 } else { 713 return (0); 714 } 715} 716 717int 718sctp_disconnect(struct socket *so) 719{ 720 struct sctp_inpcb *inp; 721 722 inp = (struct sctp_inpcb *)so->so_pcb; 723 if (inp == NULL) { 724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 725 return (ENOTCONN); 726 } 727 SCTP_INP_RLOCK(inp); 728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 730 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 731 /* No connection */ 732 SCTP_INP_RUNLOCK(inp); 733 return (0); 734 } else { 735 struct sctp_association *asoc; 736 struct sctp_tcb *stcb; 737 738 stcb = LIST_FIRST(&inp->sctp_asoc_list); 739 if (stcb == NULL) { 740 SCTP_INP_RUNLOCK(inp); 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 742 return (EINVAL); 743 } 744 SCTP_TCB_LOCK(stcb); 745 asoc = &stcb->asoc; 746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 747 /* We are about to be freed, out of here */ 748 SCTP_TCB_UNLOCK(stcb); 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } 752 if (((so->so_options & SO_LINGER) && 753 (so->so_linger == 0)) || 754 (so->so_rcv.sb_cc > 0)) { 755 if (SCTP_GET_STATE(asoc) != 756 SCTP_STATE_COOKIE_WAIT) { 757 /* Left with Data unread */ 758 struct mbuf *err; 759 760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 761 if (err) { 762 /* 763 * Fill in the user 764 * initiated abort 765 */ 766 struct sctp_paramhdr *ph; 767 768 ph = mtod(err, struct sctp_paramhdr *); 769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 771 ph->param_length = htons(SCTP_BUF_LEN(err)); 772 } 773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 774 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 775 } 776 SCTP_INP_RUNLOCK(inp); 777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 779 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 780 } 781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 782 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 783 /* No unlock tcb assoc is gone */ 784 return (0); 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->stream_queue_cnt == 0)) { 789 /* there is nothing queued to send, so done */ 790 if (asoc->locked_on_sending) { 791 goto abort_anyway; 792 } 793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 795 /* only send SHUTDOWN 1st time thru */ 796 struct sctp_nets *netp; 797 798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 800 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 801 } 802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 804 sctp_stop_timers_for_shutdown(stcb); 805 if (stcb->asoc.alternate) { 806 netp = stcb->asoc.alternate; 807 } else { 808 netp = stcb->asoc.primary_destination; 809 } 810 sctp_send_shutdown(stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 812 stcb->sctp_ep, stcb, netp); 813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 814 stcb->sctp_ep, stcb, netp); 815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 816 } 817 } else { 818 /* 819 * we still got (or just got) data to send, 820 * so set SHUTDOWN_PENDING 821 */ 822 /* 823 * XXX sockets draft says that SCTP_EOF 824 * should be sent with no data. currently, 825 * we will allow user data to be sent first 826 * and move to SHUTDOWN-PENDING 827 */ 828 struct sctp_nets *netp; 829 830 if (stcb->asoc.alternate) { 831 netp = stcb->asoc.alternate; 832 } else { 833 netp = stcb->asoc.primary_destination; 834 } 835 836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 838 netp); 839 if (asoc->locked_on_sending) { 840 /* Locked to send out the data */ 841 struct sctp_stream_queue_pending *sp; 842 843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 844 if (sp == NULL) { 845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 846 asoc->locked_on_sending->stream_no); 847 } else { 848 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 850 } 851 } 852 if (TAILQ_EMPTY(&asoc->send_queue) && 853 TAILQ_EMPTY(&asoc->sent_queue) && 854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 855 struct mbuf *op_err; 856 857 abort_anyway: 858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 861 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 864 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 865 } 866 SCTP_INP_RUNLOCK(inp); 867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 868 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 869 return (0); 870 } else { 871 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 872 } 873 } 874 soisdisconnecting(so); 875 SCTP_TCB_UNLOCK(stcb); 876 SCTP_INP_RUNLOCK(inp); 877 return (0); 878 } 879 /* not reached */ 880 } else { 881 /* UDP model does not support this */ 882 SCTP_INP_RUNLOCK(inp); 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 884 return (EOPNOTSUPP); 885 } 886} 887 888int 889sctp_flush(struct socket *so, int how) 890{ 891 /* 892 * We will just clear out the values and let subsequent close clear 893 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 894 * they will not be able to read the data, the socket will block 895 * that from happening. 896 */ 897 struct sctp_inpcb *inp; 898 899 inp = (struct sctp_inpcb *)so->so_pcb; 900 if (inp == NULL) { 901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 902 return (EINVAL); 903 } 904 SCTP_INP_RLOCK(inp); 905 /* For the 1 to many model this does nothing */ 906 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 907 SCTP_INP_RUNLOCK(inp); 908 return (0); 909 } 910 SCTP_INP_RUNLOCK(inp); 911 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 912 /* 913 * First make sure the sb will be happy, we don't use these 914 * except maybe the count 915 */ 916 SCTP_INP_WLOCK(inp); 917 SCTP_INP_READ_LOCK(inp); 918 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 919 SCTP_INP_READ_UNLOCK(inp); 920 SCTP_INP_WUNLOCK(inp); 921 so->so_rcv.sb_cc = 0; 922 so->so_rcv.sb_mbcnt = 0; 923 so->so_rcv.sb_mb = NULL; 924 } 925 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 926 /* 927 * First make sure the sb will be happy, we don't use these 928 * except maybe the count 929 */ 930 so->so_snd.sb_cc = 0; 931 so->so_snd.sb_mbcnt = 0; 932 so->so_snd.sb_mb = NULL; 933 934 } 935 return (0); 936} 937 938int 939sctp_shutdown(struct socket *so) 940{ 941 struct sctp_inpcb *inp; 942 943 inp = (struct sctp_inpcb *)so->so_pcb; 944 if (inp == NULL) { 945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 946 return (EINVAL); 947 } 948 SCTP_INP_RLOCK(inp); 949 /* For UDP model this is a invalid call */ 950 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 952 /* Restore the flags that the soshutdown took away. */ 953 SOCKBUF_LOCK(&so->so_rcv); 954 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 955 SOCKBUF_UNLOCK(&so->so_rcv); 956 /* This proc will wakeup for read and do nothing (I hope) */ 957 SCTP_INP_RUNLOCK(inp); 958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 959 return (EOPNOTSUPP); 960 } 961 /* 962 * Ok if we reach here its the TCP model and it is either a SHUT_WR 963 * or SHUT_RDWR. This means we put the shutdown flag against it. 964 */ 965 { 966 struct sctp_tcb *stcb; 967 struct sctp_association *asoc; 968 969 if ((so->so_state & 970 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 971 SCTP_INP_RUNLOCK(inp); 972 return (ENOTCONN); 973 } 974 socantsendmore(so); 975 976 stcb = LIST_FIRST(&inp->sctp_asoc_list); 977 if (stcb == NULL) { 978 /* 979 * Ok we hit the case that the shutdown call was 980 * made after an abort or something. Nothing to do 981 * now. 982 */ 983 SCTP_INP_RUNLOCK(inp); 984 return (0); 985 } 986 SCTP_TCB_LOCK(stcb); 987 asoc = &stcb->asoc; 988 if (TAILQ_EMPTY(&asoc->send_queue) && 989 TAILQ_EMPTY(&asoc->sent_queue) && 990 (asoc->stream_queue_cnt == 0)) { 991 if (asoc->locked_on_sending) { 992 goto abort_anyway; 993 } 994 /* there is nothing queued to send, so I'm done... */ 995 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 996 /* only send SHUTDOWN the first time through */ 997 struct sctp_nets *netp; 998 999 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1000 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1001 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1002 } 1003 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1004 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1005 sctp_stop_timers_for_shutdown(stcb); 1006 if (stcb->asoc.alternate) { 1007 netp = stcb->asoc.alternate; 1008 } else { 1009 netp = stcb->asoc.primary_destination; 1010 } 1011 sctp_send_shutdown(stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1015 stcb->sctp_ep, stcb, netp); 1016 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1017 } 1018 } else { 1019 /* 1020 * we still got (or just got) data to send, so set 1021 * SHUTDOWN_PENDING 1022 */ 1023 struct sctp_nets *netp; 1024 1025 if (stcb->asoc.alternate) { 1026 netp = stcb->asoc.alternate; 1027 } else { 1028 netp = stcb->asoc.primary_destination; 1029 } 1030 1031 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1032 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1033 netp); 1034 1035 if (asoc->locked_on_sending) { 1036 /* Locked to send out the data */ 1037 struct sctp_stream_queue_pending *sp; 1038 1039 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1040 if (sp == NULL) { 1041 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1042 asoc->locked_on_sending->stream_no); 1043 } else { 1044 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1045 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1046 } 1047 } 1048 } 1049 if (TAILQ_EMPTY(&asoc->send_queue) && 1050 TAILQ_EMPTY(&asoc->sent_queue) && 1051 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1052 struct mbuf *op_err; 1053 1054 abort_anyway: 1055 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1056 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1057 sctp_abort_an_association(stcb->sctp_ep, stcb, 1058 op_err, SCTP_SO_LOCKED); 1059 goto skip_unlock; 1060 } else { 1061 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1062 } 1063 } 1064 SCTP_TCB_UNLOCK(stcb); 1065 } 1066skip_unlock: 1067 SCTP_INP_RUNLOCK(inp); 1068 return (0); 1069} 1070 1071/* 1072 * copies a "user" presentable address and removes embedded scope, etc. 1073 * returns 0 on success, 1 on error 1074 */ 1075static uint32_t 1076sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1077{ 1078#ifdef INET6 1079 struct sockaddr_in6 lsa6; 1080 1081 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1082 &lsa6); 1083#endif 1084 memcpy(ss, sa, sa->sa_len); 1085 return (0); 1086} 1087 1088 1089 1090/* 1091 * NOTE: assumes addr lock is held 1092 */ 1093static size_t 1094sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1095 struct sctp_tcb *stcb, 1096 size_t limit, 1097 struct sockaddr_storage *sas, 1098 uint32_t vrf_id) 1099{ 1100 struct sctp_ifn *sctp_ifn; 1101 struct sctp_ifa *sctp_ifa; 1102 size_t actual; 1103 int loopback_scope; 1104 1105#if defined(INET) 1106 int ipv4_local_scope, ipv4_addr_legal; 1107 1108#endif 1109#if defined(INET6) 1110 int local_scope, site_scope, ipv6_addr_legal; 1111 1112#endif 1113 struct sctp_vrf *vrf; 1114 1115 actual = 0; 1116 if (limit <= 0) 1117 return (actual); 1118 1119 if (stcb) { 1120 /* Turn on all the appropriate scope */ 1121 loopback_scope = stcb->asoc.scope.loopback_scope; 1122#if defined(INET) 1123 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1124 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1125#endif 1126#if defined(INET6) 1127 local_scope = stcb->asoc.scope.local_scope; 1128 site_scope = stcb->asoc.scope.site_scope; 1129 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1130#endif 1131 } else { 1132 /* Use generic values for endpoints. */ 1133 loopback_scope = 1; 1134#if defined(INET) 1135 ipv4_local_scope = 1; 1136#endif 1137#if defined(INET6) 1138 local_scope = 1; 1139 site_scope = 1; 1140#endif 1141 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1142#if defined(INET6) 1143 ipv6_addr_legal = 1; 1144#endif 1145#if defined(INET) 1146 if (SCTP_IPV6_V6ONLY(inp)) { 1147 ipv4_addr_legal = 0; 1148 } else { 1149 ipv4_addr_legal = 1; 1150 } 1151#endif 1152 } else { 1153#if defined(INET6) 1154 ipv6_addr_legal = 0; 1155#endif 1156#if defined(INET) 1157 ipv4_addr_legal = 1; 1158#endif 1159 } 1160 } 1161 vrf = sctp_find_vrf(vrf_id); 1162 if (vrf == NULL) { 1163 return (0); 1164 } 1165 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1166 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1167 if ((loopback_scope == 0) && 1168 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1169 /* Skip loopback if loopback_scope not set */ 1170 continue; 1171 } 1172 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1173 if (stcb) { 1174 /* 1175 * For the BOUND-ALL case, the list 1176 * associated with a TCB is Always 1177 * considered a reverse list.. i.e. 1178 * it lists addresses that are NOT 1179 * part of the association. If this 1180 * is one of those we must skip it. 1181 */ 1182 if (sctp_is_addr_restricted(stcb, 1183 sctp_ifa)) { 1184 continue; 1185 } 1186 } 1187 switch (sctp_ifa->address.sa.sa_family) { 1188#ifdef INET 1189 case AF_INET: 1190 if (ipv4_addr_legal) { 1191 struct sockaddr_in *sin; 1192 1193 sin = &sctp_ifa->address.sin; 1194 if (sin->sin_addr.s_addr == 0) { 1195 /* 1196 * we skip 1197 * unspecifed 1198 * addresses 1199 */ 1200 continue; 1201 } 1202 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1203 &sin->sin_addr) != 0) { 1204 continue; 1205 } 1206 if ((ipv4_local_scope == 0) && 1207 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1208 continue; 1209 } 1210#ifdef INET6 1211 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1212 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1213 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1214 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1215 actual += sizeof(struct sockaddr_in6); 1216 } else { 1217#endif 1218 memcpy(sas, sin, sizeof(*sin)); 1219 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1221 actual += sizeof(*sin); 1222#ifdef INET6 1223 } 1224#endif 1225 if (actual >= limit) { 1226 return (actual); 1227 } 1228 } else { 1229 continue; 1230 } 1231 break; 1232#endif 1233#ifdef INET6 1234 case AF_INET6: 1235 if (ipv6_addr_legal) { 1236 struct sockaddr_in6 *sin6; 1237 1238 sin6 = &sctp_ifa->address.sin6; 1239 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1240 /* 1241 * we skip 1242 * unspecifed 1243 * addresses 1244 */ 1245 continue; 1246 } 1247 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1248 &sin6->sin6_addr) != 0) { 1249 continue; 1250 } 1251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1252 if (local_scope == 0) 1253 continue; 1254 if (sin6->sin6_scope_id == 0) { 1255 if (sa6_recoverscope(sin6) != 0) 1256 /* 1257 * 1258 * bad 1259 * 1260 * li 1261 * nk 1262 * 1263 * loc 1264 * al 1265 * 1266 * add 1267 * re 1268 * ss 1269 * */ 1270 continue; 1271 } 1272 } 1273 if ((site_scope == 0) && 1274 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1275 continue; 1276 } 1277 memcpy(sas, sin6, sizeof(*sin6)); 1278 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1279 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1280 actual += sizeof(*sin6); 1281 if (actual >= limit) { 1282 return (actual); 1283 } 1284 } else { 1285 continue; 1286 } 1287 break; 1288#endif 1289 default: 1290 /* TSNH */ 1291 break; 1292 } 1293 } 1294 } 1295 } else { 1296 struct sctp_laddr *laddr; 1297 1298 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1299 if (stcb) { 1300 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1301 continue; 1302 } 1303 } 1304 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1305 continue; 1306 switch (laddr->ifa->address.sa.sa_family) { 1307#ifdef INET 1308 case AF_INET: 1309 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1310 break; 1311#endif 1312#ifdef INET6 1313 case AF_INET6: 1314 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1315 break; 1316#endif 1317 default: 1318 /* TSNH */ 1319 break; 1320 } 1321 sas = (struct sockaddr_storage *)((caddr_t)sas + 1322 laddr->ifa->address.sa.sa_len); 1323 actual += laddr->ifa->address.sa.sa_len; 1324 if (actual >= limit) { 1325 return (actual); 1326 } 1327 } 1328 } 1329 return (actual); 1330} 1331 1332static size_t 1333sctp_fill_up_addresses(struct sctp_inpcb *inp, 1334 struct sctp_tcb *stcb, 1335 size_t limit, 1336 struct sockaddr_storage *sas) 1337{ 1338 size_t size = 0; 1339 1340 SCTP_IPI_ADDR_RLOCK(); 1341 /* fill up addresses for the endpoint's default vrf */ 1342 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1343 inp->def_vrf_id); 1344 SCTP_IPI_ADDR_RUNLOCK(); 1345 return (size); 1346} 1347 1348/* 1349 * NOTE: assumes addr lock is held 1350 */ 1351static int 1352sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1353{ 1354 int cnt = 0; 1355 struct sctp_vrf *vrf = NULL; 1356 1357 /* 1358 * In both sub-set bound an bound_all cases we return the MAXIMUM 1359 * number of addresses that you COULD get. In reality the sub-set 1360 * bound may have an exclusion list for a given TCB OR in the 1361 * bound-all case a TCB may NOT include the loopback or other 1362 * addresses as well. 1363 */ 1364 vrf = sctp_find_vrf(vrf_id); 1365 if (vrf == NULL) { 1366 return (0); 1367 } 1368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1369 struct sctp_ifn *sctp_ifn; 1370 struct sctp_ifa *sctp_ifa; 1371 1372 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1373 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1374 /* Count them if they are the right type */ 1375 switch (sctp_ifa->address.sa.sa_family) { 1376#ifdef INET 1377 case AF_INET: 1378#ifdef INET6 1379 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1380 cnt += sizeof(struct sockaddr_in6); 1381 else 1382 cnt += sizeof(struct sockaddr_in); 1383#else 1384 cnt += sizeof(struct sockaddr_in); 1385#endif 1386 break; 1387#endif 1388#ifdef INET6 1389 case AF_INET6: 1390 cnt += sizeof(struct sockaddr_in6); 1391 break; 1392#endif 1393 default: 1394 break; 1395 } 1396 } 1397 } 1398 } else { 1399 struct sctp_laddr *laddr; 1400 1401 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1402 switch (laddr->ifa->address.sa.sa_family) { 1403#ifdef INET 1404 case AF_INET: 1405#ifdef INET6 1406 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1407 cnt += sizeof(struct sockaddr_in6); 1408 else 1409 cnt += sizeof(struct sockaddr_in); 1410#else 1411 cnt += sizeof(struct sockaddr_in); 1412#endif 1413 break; 1414#endif 1415#ifdef INET6 1416 case AF_INET6: 1417 cnt += sizeof(struct sockaddr_in6); 1418 break; 1419#endif 1420 default: 1421 break; 1422 } 1423 } 1424 } 1425 return (cnt); 1426} 1427 1428static int 1429sctp_count_max_addresses(struct sctp_inpcb *inp) 1430{ 1431 int cnt = 0; 1432 1433 SCTP_IPI_ADDR_RLOCK(); 1434 /* count addresses for the endpoint's default VRF */ 1435 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1436 SCTP_IPI_ADDR_RUNLOCK(); 1437 return (cnt); 1438} 1439 1440static int 1441sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1442 size_t optsize, void *p, int delay) 1443{ 1444 int error = 0; 1445 int creat_lock_on = 0; 1446 struct sctp_tcb *stcb = NULL; 1447 struct sockaddr *sa; 1448 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1449 uint32_t vrf_id; 1450 int bad_addresses = 0; 1451 sctp_assoc_t *a_id; 1452 1453 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1454 1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1456 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1457 /* We are already connected AND the TCP model */ 1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1459 return (EADDRINUSE); 1460 } 1461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1462 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1464 return (EINVAL); 1465 } 1466 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1467 SCTP_INP_RLOCK(inp); 1468 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1469 SCTP_INP_RUNLOCK(inp); 1470 } 1471 if (stcb) { 1472 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1473 return (EALREADY); 1474 } 1475 SCTP_INP_INCR_REF(inp); 1476 SCTP_ASOC_CREATE_LOCK(inp); 1477 creat_lock_on = 1; 1478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1479 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1480 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1481 error = EFAULT; 1482 goto out_now; 1483 } 1484 totaddrp = (int *)optval; 1485 totaddr = *totaddrp; 1486 sa = (struct sockaddr *)(totaddrp + 1); 1487 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1488 if ((stcb != NULL) || bad_addresses) { 1489 /* Already have or am bring up an association */ 1490 SCTP_ASOC_CREATE_UNLOCK(inp); 1491 creat_lock_on = 0; 1492 if (stcb) 1493 SCTP_TCB_UNLOCK(stcb); 1494 if (bad_addresses == 0) { 1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1496 error = EALREADY; 1497 } 1498 goto out_now; 1499 } 1500#ifdef INET6 1501 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1502 (num_v6 > 0)) { 1503 error = EINVAL; 1504 goto out_now; 1505 } 1506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1507 (num_v4 > 0)) { 1508 struct in6pcb *inp6; 1509 1510 inp6 = (struct in6pcb *)inp; 1511 if (SCTP_IPV6_V6ONLY(inp6)) { 1512 /* 1513 * if IPV6_V6ONLY flag, ignore connections destined 1514 * to a v4 addr or v4-mapped addr 1515 */ 1516 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1517 error = EINVAL; 1518 goto out_now; 1519 } 1520 } 1521#endif /* INET6 */ 1522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1523 SCTP_PCB_FLAGS_UNBOUND) { 1524 /* Bind a ephemeral port */ 1525 error = sctp_inpcb_bind(so, NULL, NULL, p); 1526 if (error) { 1527 goto out_now; 1528 } 1529 } 1530 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1531 vrf_id = inp->def_vrf_id; 1532 1533 1534 /* We are GOOD to go */ 1535 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1536 (struct thread *)p 1537 ); 1538 if (stcb == NULL) { 1539 /* Gak! no memory */ 1540 goto out_now; 1541 } 1542 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1543 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1544 /* Set the connected flag so we can queue data */ 1545 soisconnecting(so); 1546 } 1547 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1548 /* move to second address */ 1549 switch (sa->sa_family) { 1550#ifdef INET 1551 case AF_INET: 1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1553 break; 1554#endif 1555#ifdef INET6 1556 case AF_INET6: 1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1558 break; 1559#endif 1560 default: 1561 break; 1562 } 1563 1564 error = 0; 1565 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1566 /* Fill in the return id */ 1567 if (error) { 1568 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1569 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1570 goto out_now; 1571 } 1572 a_id = (sctp_assoc_t *) optval; 1573 *a_id = sctp_get_associd(stcb); 1574 1575 /* initialize authentication parameters for the assoc */ 1576 sctp_initialize_auth_params(inp, stcb); 1577 1578 if (delay) { 1579 /* doing delayed connection */ 1580 stcb->asoc.delayed_connection = 1; 1581 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1582 } else { 1583 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1584 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1585 } 1586 SCTP_TCB_UNLOCK(stcb); 1587 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1588 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1589 /* Set the connected flag so we can queue data */ 1590 soisconnecting(so); 1591 } 1592out_now: 1593 if (creat_lock_on) { 1594 SCTP_ASOC_CREATE_UNLOCK(inp); 1595 } 1596 SCTP_INP_DECR_REF(inp); 1597 return (error); 1598} 1599 1600#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1603 SCTP_INP_RLOCK(inp); \ 1604 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1605 if (stcb) { \ 1606 SCTP_TCB_LOCK(stcb); \ 1607 } \ 1608 SCTP_INP_RUNLOCK(inp); \ 1609 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1610 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1611 if (stcb == NULL) { \ 1612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1613 error = ENOENT; \ 1614 break; \ 1615 } \ 1616 } else { \ 1617 stcb = NULL; \ 1618 } \ 1619 } 1620 1621 1622#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1623 if (size < sizeof(type)) { \ 1624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1625 error = EINVAL; \ 1626 break; \ 1627 } else { \ 1628 destp = (type *)srcp; \ 1629 } \ 1630 } 1631 1632static int 1633sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1634 void *p) 1635{ 1636 struct sctp_inpcb *inp = NULL; 1637 int error, val = 0; 1638 struct sctp_tcb *stcb = NULL; 1639 1640 if (optval == NULL) { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 return (EINVAL); 1643 } 1644 inp = (struct sctp_inpcb *)so->so_pcb; 1645 if (inp == NULL) { 1646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1647 return EINVAL; 1648 } 1649 error = 0; 1650 1651 switch (optname) { 1652 case SCTP_NODELAY: 1653 case SCTP_AUTOCLOSE: 1654 case SCTP_EXPLICIT_EOR: 1655 case SCTP_AUTO_ASCONF: 1656 case SCTP_DISABLE_FRAGMENTS: 1657 case SCTP_I_WANT_MAPPED_V4_ADDR: 1658 case SCTP_USE_EXT_RCVINFO: 1659 SCTP_INP_RLOCK(inp); 1660 switch (optname) { 1661 case SCTP_DISABLE_FRAGMENTS: 1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1663 break; 1664 case SCTP_I_WANT_MAPPED_V4_ADDR: 1665 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1666 break; 1667 case SCTP_AUTO_ASCONF: 1668 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1669 /* only valid for bound all sockets */ 1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1671 } else { 1672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1673 error = EINVAL; 1674 goto flags_out; 1675 } 1676 break; 1677 case SCTP_EXPLICIT_EOR: 1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1679 break; 1680 case SCTP_NODELAY: 1681 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1682 break; 1683 case SCTP_USE_EXT_RCVINFO: 1684 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1685 break; 1686 case SCTP_AUTOCLOSE: 1687 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1688 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1689 else 1690 val = 0; 1691 break; 1692 1693 default: 1694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1695 error = ENOPROTOOPT; 1696 } /* end switch (sopt->sopt_name) */ 1697 if (*optsize < sizeof(val)) { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701flags_out: 1702 SCTP_INP_RUNLOCK(inp); 1703 if (error == 0) { 1704 /* return the option value */ 1705 *(int *)optval = val; 1706 *optsize = sizeof(val); 1707 } 1708 break; 1709 case SCTP_GET_PACKET_LOG: 1710 { 1711#ifdef SCTP_PACKET_LOGGING 1712 uint8_t *target; 1713 int ret; 1714 1715 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1716 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1717 *optsize = ret; 1718#else 1719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1720 error = EOPNOTSUPP; 1721#endif 1722 break; 1723 } 1724 case SCTP_REUSE_PORT: 1725 { 1726 uint32_t *value; 1727 1728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1729 /* Can't do this for a 1-m socket */ 1730 error = EINVAL; 1731 break; 1732 } 1733 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1734 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1735 *optsize = sizeof(uint32_t); 1736 break; 1737 } 1738 case SCTP_PARTIAL_DELIVERY_POINT: 1739 { 1740 uint32_t *value; 1741 1742 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1743 *value = inp->partial_delivery_point; 1744 *optsize = sizeof(uint32_t); 1745 break; 1746 } 1747 case SCTP_FRAGMENT_INTERLEAVE: 1748 { 1749 uint32_t *value; 1750 1751 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1752 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1754 *value = SCTP_FRAG_LEVEL_2; 1755 } else { 1756 *value = SCTP_FRAG_LEVEL_1; 1757 } 1758 } else { 1759 *value = SCTP_FRAG_LEVEL_0; 1760 } 1761 *optsize = sizeof(uint32_t); 1762 break; 1763 } 1764 case SCTP_CMT_ON_OFF: 1765 { 1766 struct sctp_assoc_value *av; 1767 1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1770 if (stcb) { 1771 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1772 SCTP_TCB_UNLOCK(stcb); 1773 } else { 1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1777 SCTP_INP_RLOCK(inp); 1778 av->assoc_value = inp->sctp_cmt_on_off; 1779 SCTP_INP_RUNLOCK(inp); 1780 } else { 1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1782 error = EINVAL; 1783 } 1784 } 1785 if (error == 0) { 1786 *optsize = sizeof(struct sctp_assoc_value); 1787 } 1788 break; 1789 } 1790 case SCTP_PLUGGABLE_CC: 1791 { 1792 struct sctp_assoc_value *av; 1793 1794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1795 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1796 if (stcb) { 1797 av->assoc_value = stcb->asoc.congestion_control_module; 1798 SCTP_TCB_UNLOCK(stcb); 1799 } else { 1800 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1801 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1802 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1803 SCTP_INP_RLOCK(inp); 1804 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1805 SCTP_INP_RUNLOCK(inp); 1806 } else { 1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1808 error = EINVAL; 1809 } 1810 } 1811 if (error == 0) { 1812 *optsize = sizeof(struct sctp_assoc_value); 1813 } 1814 break; 1815 } 1816 case SCTP_CC_OPTION: 1817 { 1818 struct sctp_cc_option *cc_opt; 1819 1820 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1821 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1822 if (stcb == NULL) { 1823 error = EINVAL; 1824 } else { 1825 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1826 error = ENOTSUP; 1827 } else { 1828 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1829 *optsize = sizeof(struct sctp_cc_option); 1830 } 1831 SCTP_TCB_UNLOCK(stcb); 1832 } 1833 break; 1834 } 1835 case SCTP_PLUGGABLE_SS: 1836 { 1837 struct sctp_assoc_value *av; 1838 1839 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1840 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1841 if (stcb) { 1842 av->assoc_value = stcb->asoc.stream_scheduling_module; 1843 SCTP_TCB_UNLOCK(stcb); 1844 } else { 1845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1847 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1848 SCTP_INP_RLOCK(inp); 1849 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1850 SCTP_INP_RUNLOCK(inp); 1851 } else { 1852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1853 error = EINVAL; 1854 } 1855 } 1856 if (error == 0) { 1857 *optsize = sizeof(struct sctp_assoc_value); 1858 } 1859 break; 1860 } 1861 case SCTP_SS_VALUE: 1862 { 1863 struct sctp_stream_value *av; 1864 1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1866 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1867 if (stcb) { 1868 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1869 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1870 &av->stream_value) < 0)) { 1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1872 error = EINVAL; 1873 } else { 1874 *optsize = sizeof(struct sctp_stream_value); 1875 } 1876 SCTP_TCB_UNLOCK(stcb); 1877 } else { 1878 /* 1879 * Can't get stream value without 1880 * association 1881 */ 1882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1883 error = EINVAL; 1884 } 1885 break; 1886 } 1887 case SCTP_GET_ADDR_LEN: 1888 { 1889 struct sctp_assoc_value *av; 1890 1891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1892 error = EINVAL; 1893#ifdef INET 1894 if (av->assoc_value == AF_INET) { 1895 av->assoc_value = sizeof(struct sockaddr_in); 1896 error = 0; 1897 } 1898#endif 1899#ifdef INET6 1900 if (av->assoc_value == AF_INET6) { 1901 av->assoc_value = sizeof(struct sockaddr_in6); 1902 error = 0; 1903 } 1904#endif 1905 if (error) { 1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1907 } else { 1908 *optsize = sizeof(struct sctp_assoc_value); 1909 } 1910 break; 1911 } 1912 case SCTP_GET_ASSOC_NUMBER: 1913 { 1914 uint32_t *value, cnt; 1915 1916 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1917 cnt = 0; 1918 SCTP_INP_RLOCK(inp); 1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1920 cnt++; 1921 } 1922 SCTP_INP_RUNLOCK(inp); 1923 *value = cnt; 1924 *optsize = sizeof(uint32_t); 1925 break; 1926 } 1927 case SCTP_GET_ASSOC_ID_LIST: 1928 { 1929 struct sctp_assoc_ids *ids; 1930 unsigned int at, limit; 1931 1932 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1933 at = 0; 1934 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1935 SCTP_INP_RLOCK(inp); 1936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1937 if (at < limit) { 1938 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1939 } else { 1940 error = EINVAL; 1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1942 break; 1943 } 1944 } 1945 SCTP_INP_RUNLOCK(inp); 1946 if (error == 0) { 1947 ids->gaids_number_of_ids = at; 1948 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1949 } 1950 break; 1951 } 1952 case SCTP_CONTEXT: 1953 { 1954 struct sctp_assoc_value *av; 1955 1956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1958 1959 if (stcb) { 1960 av->assoc_value = stcb->asoc.context; 1961 SCTP_TCB_UNLOCK(stcb); 1962 } else { 1963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1965 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1966 SCTP_INP_RLOCK(inp); 1967 av->assoc_value = inp->sctp_context; 1968 SCTP_INP_RUNLOCK(inp); 1969 } else { 1970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1971 error = EINVAL; 1972 } 1973 } 1974 if (error == 0) { 1975 *optsize = sizeof(struct sctp_assoc_value); 1976 } 1977 break; 1978 } 1979 case SCTP_VRF_ID: 1980 { 1981 uint32_t *default_vrfid; 1982 1983 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1984 *default_vrfid = inp->def_vrf_id; 1985 *optsize = sizeof(uint32_t); 1986 break; 1987 } 1988 case SCTP_GET_ASOC_VRF: 1989 { 1990 struct sctp_assoc_value *id; 1991 1992 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1994 if (stcb == NULL) { 1995 error = EINVAL; 1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1997 } else { 1998 id->assoc_value = stcb->asoc.vrf_id; 1999 *optsize = sizeof(struct sctp_assoc_value); 2000 } 2001 break; 2002 } 2003 case SCTP_GET_VRF_IDS: 2004 { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2006 error = EOPNOTSUPP; 2007 break; 2008 } 2009 case SCTP_GET_NONCE_VALUES: 2010 { 2011 struct sctp_get_nonce_values *gnv; 2012 2013 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2014 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2015 2016 if (stcb) { 2017 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2018 gnv->gn_local_tag = stcb->asoc.my_vtag; 2019 SCTP_TCB_UNLOCK(stcb); 2020 *optsize = sizeof(struct sctp_get_nonce_values); 2021 } else { 2022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2023 error = ENOTCONN; 2024 } 2025 break; 2026 } 2027 case SCTP_DELAYED_SACK: 2028 { 2029 struct sctp_sack_info *sack; 2030 2031 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2032 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2033 if (stcb) { 2034 sack->sack_delay = stcb->asoc.delayed_ack; 2035 sack->sack_freq = stcb->asoc.sack_freq; 2036 SCTP_TCB_UNLOCK(stcb); 2037 } else { 2038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2039 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2040 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2041 SCTP_INP_RLOCK(inp); 2042 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2043 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2044 SCTP_INP_RUNLOCK(inp); 2045 } else { 2046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2047 error = EINVAL; 2048 } 2049 } 2050 if (error == 0) { 2051 *optsize = sizeof(struct sctp_sack_info); 2052 } 2053 break; 2054 } 2055 case SCTP_GET_SNDBUF_USE: 2056 { 2057 struct sctp_sockstat *ss; 2058 2059 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2060 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2061 2062 if (stcb) { 2063 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2064 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2065 stcb->asoc.size_on_all_streams); 2066 SCTP_TCB_UNLOCK(stcb); 2067 *optsize = sizeof(struct sctp_sockstat); 2068 } else { 2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2070 error = ENOTCONN; 2071 } 2072 break; 2073 } 2074 case SCTP_MAX_BURST: 2075 { 2076 struct sctp_assoc_value *av; 2077 2078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2079 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2080 2081 if (stcb) { 2082 av->assoc_value = stcb->asoc.max_burst; 2083 SCTP_TCB_UNLOCK(stcb); 2084 } else { 2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2087 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2088 SCTP_INP_RLOCK(inp); 2089 av->assoc_value = inp->sctp_ep.max_burst; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_MAXSEG: 2102 { 2103 struct sctp_assoc_value *av; 2104 int ovh; 2105 2106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2107 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2108 2109 if (stcb) { 2110 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2111 SCTP_TCB_UNLOCK(stcb); 2112 } else { 2113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2115 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2116 SCTP_INP_RLOCK(inp); 2117 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2118 ovh = SCTP_MED_OVERHEAD; 2119 } else { 2120 ovh = SCTP_MED_V4_OVERHEAD; 2121 } 2122 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2123 av->assoc_value = 0; 2124 else 2125 av->assoc_value = inp->sctp_frag_point - ovh; 2126 SCTP_INP_RUNLOCK(inp); 2127 } else { 2128 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2129 error = EINVAL; 2130 } 2131 } 2132 if (error == 0) { 2133 *optsize = sizeof(struct sctp_assoc_value); 2134 } 2135 break; 2136 } 2137 case SCTP_GET_STAT_LOG: 2138 error = sctp_fill_stat_log(optval, optsize); 2139 break; 2140 case SCTP_EVENTS: 2141 { 2142 struct sctp_event_subscribe *events; 2143 2144 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2145 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2146 SCTP_INP_RLOCK(inp); 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2148 events->sctp_data_io_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2151 events->sctp_association_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2154 events->sctp_address_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2157 events->sctp_send_failure_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2160 events->sctp_peer_error_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2163 events->sctp_shutdown_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2166 events->sctp_partial_delivery_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2169 events->sctp_adaptation_layer_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2172 events->sctp_authentication_event = 1; 2173 2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2175 events->sctp_sender_dry_event = 1; 2176 2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2178 events->sctp_stream_reset_event = 1; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(struct sctp_event_subscribe); 2181 break; 2182 } 2183 case SCTP_ADAPTATION_LAYER: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 2189 SCTP_INP_RLOCK(inp); 2190 *value = inp->sctp_ep.adaptation_layer_indicator; 2191 SCTP_INP_RUNLOCK(inp); 2192 *optsize = sizeof(uint32_t); 2193 break; 2194 } 2195 case SCTP_SET_INITIAL_DBG_SEQ: 2196 { 2197 uint32_t *value; 2198 2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2200 SCTP_INP_RLOCK(inp); 2201 *value = inp->sctp_ep.initial_sequence_debug; 2202 SCTP_INP_RUNLOCK(inp); 2203 *optsize = sizeof(uint32_t); 2204 break; 2205 } 2206 case SCTP_GET_LOCAL_ADDR_SIZE: 2207 { 2208 uint32_t *value; 2209 2210 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2211 SCTP_INP_RLOCK(inp); 2212 *value = sctp_count_max_addresses(inp); 2213 SCTP_INP_RUNLOCK(inp); 2214 *optsize = sizeof(uint32_t); 2215 break; 2216 } 2217 case SCTP_GET_REMOTE_ADDR_SIZE: 2218 { 2219 uint32_t *value; 2220 size_t size; 2221 struct sctp_nets *net; 2222 2223 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2224 /* FIXME MT: change to sctp_assoc_value? */ 2225 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2226 2227 if (stcb) { 2228 size = 0; 2229 /* Count the sizes */ 2230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2231 switch (net->ro._l_addr.sa.sa_family) { 2232#ifdef INET 2233 case AF_INET: 2234#ifdef INET6 2235 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2236 size += sizeof(struct sockaddr_in6); 2237 } else { 2238 size += sizeof(struct sockaddr_in); 2239 } 2240#else 2241 size += sizeof(struct sockaddr_in); 2242#endif 2243 break; 2244#endif 2245#ifdef INET6 2246 case AF_INET6: 2247 size += sizeof(struct sockaddr_in6); 2248 break; 2249#endif 2250 default: 2251 break; 2252 } 2253 } 2254 SCTP_TCB_UNLOCK(stcb); 2255 *value = (uint32_t) size; 2256 *optsize = sizeof(uint32_t); 2257 } else { 2258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2259 error = ENOTCONN; 2260 } 2261 break; 2262 } 2263 case SCTP_GET_PEER_ADDRESSES: 2264 /* 2265 * Get the address information, an array is passed in to 2266 * fill up we pack it. 2267 */ 2268 { 2269 size_t cpsz, left; 2270 struct sockaddr_storage *sas; 2271 struct sctp_nets *net; 2272 struct sctp_getaddresses *saddr; 2273 2274 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2275 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2276 2277 if (stcb) { 2278 left = (*optsize) - sizeof(struct sctp_getaddresses); 2279 *optsize = sizeof(struct sctp_getaddresses); 2280 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2281 2282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2283 switch (net->ro._l_addr.sa.sa_family) { 2284#ifdef INET 2285 case AF_INET: 2286#ifdef INET6 2287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2288 cpsz = sizeof(struct sockaddr_in6); 2289 } else { 2290 cpsz = sizeof(struct sockaddr_in); 2291 } 2292#else 2293 cpsz = sizeof(struct sockaddr_in); 2294#endif 2295 break; 2296#endif 2297#ifdef INET6 2298 case AF_INET6: 2299 cpsz = sizeof(struct sockaddr_in6); 2300 break; 2301#endif 2302 default: 2303 cpsz = 0; 2304 break; 2305 } 2306 if (cpsz == 0) { 2307 break; 2308 } 2309 if (left < cpsz) { 2310 /* not enough room. */ 2311 break; 2312 } 2313#if defined(INET) && defined(INET6) 2314 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2315 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2316 /* Must map the address */ 2317 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2318 (struct sockaddr_in6 *)sas); 2319 } else { 2320 memcpy(sas, &net->ro._l_addr, cpsz); 2321 } 2322#else 2323 memcpy(sas, &net->ro._l_addr, cpsz); 2324#endif 2325 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2326 2327 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2328 left -= cpsz; 2329 *optsize += cpsz; 2330 } 2331 SCTP_TCB_UNLOCK(stcb); 2332 } else { 2333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2334 error = ENOENT; 2335 } 2336 break; 2337 } 2338 case SCTP_GET_LOCAL_ADDRESSES: 2339 { 2340 size_t limit, actual; 2341 struct sockaddr_storage *sas; 2342 struct sctp_getaddresses *saddr; 2343 2344 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2345 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2346 2347 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2348 limit = *optsize - sizeof(sctp_assoc_t); 2349 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2350 if (stcb) { 2351 SCTP_TCB_UNLOCK(stcb); 2352 } 2353 *optsize = sizeof(struct sockaddr_storage) + actual; 2354 break; 2355 } 2356 case SCTP_PEER_ADDR_PARAMS: 2357 { 2358 struct sctp_paddrparams *paddrp; 2359 struct sctp_nets *net; 2360 struct sockaddr *addr; 2361 2362#if defined(INET) && defined(INET6) 2363 struct sockaddr_in sin_store; 2364 2365#endif 2366 2367 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2368 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2369 2370#if defined(INET) && defined(INET6) 2371 if (paddrp->spp_address.ss_family == AF_INET6) { 2372 struct sockaddr_in6 *sin6; 2373 2374 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2375 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2376 in6_sin6_2_sin(&sin_store, sin6); 2377 addr = (struct sockaddr *)&sin_store; 2378 } else { 2379 addr = (struct sockaddr *)&paddrp->spp_address; 2380 } 2381 } else { 2382 addr = (struct sockaddr *)&paddrp->spp_address; 2383 } 2384#else 2385 addr = (struct sockaddr *)&paddrp->spp_address; 2386#endif 2387 if (stcb != NULL) { 2388 net = sctp_findnet(stcb, addr); 2389 } else { 2390 /* 2391 * We increment here since 2392 * sctp_findassociation_ep_addr() wil do a 2393 * decrement if it finds the stcb as long as 2394 * the locked tcb (last argument) is NOT a 2395 * TCB.. aka NULL. 2396 */ 2397 net = NULL; 2398 SCTP_INP_INCR_REF(inp); 2399 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2400 if (stcb == NULL) { 2401 SCTP_INP_DECR_REF(inp); 2402 } 2403 } 2404 if ((stcb != NULL) && (net == NULL)) { 2405#ifdef INET 2406 if (addr->sa_family == AF_INET) { 2407 struct sockaddr_in *sin; 2408 2409 sin = (struct sockaddr_in *)addr; 2410 if (sin->sin_addr.s_addr != INADDR_ANY) { 2411 error = EINVAL; 2412 SCTP_TCB_UNLOCK(stcb); 2413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2414 break; 2415 } 2416 } else 2417#endif 2418#ifdef INET6 2419 if (addr->sa_family == AF_INET6) { 2420 struct sockaddr_in6 *sin6; 2421 2422 sin6 = (struct sockaddr_in6 *)addr; 2423 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2424 error = EINVAL; 2425 SCTP_TCB_UNLOCK(stcb); 2426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2427 break; 2428 } 2429 } else 2430#endif 2431 { 2432 error = EAFNOSUPPORT; 2433 SCTP_TCB_UNLOCK(stcb); 2434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2435 break; 2436 } 2437 } 2438 if (stcb != NULL) { 2439 /* Applies to the specific association */ 2440 paddrp->spp_flags = 0; 2441 if (net != NULL) { 2442 int ovh; 2443 2444 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2445 ovh = SCTP_MED_OVERHEAD; 2446 } else { 2447 ovh = SCTP_MED_V4_OVERHEAD; 2448 } 2449 2450 paddrp->spp_hbinterval = net->heart_beat_delay; 2451 paddrp->spp_pathmaxrxt = net->failure_threshold; 2452 paddrp->spp_pathmtu = net->mtu - ovh; 2453 /* get flags for HB */ 2454 if (net->dest_state & SCTP_ADDR_NOHB) { 2455 paddrp->spp_flags |= SPP_HB_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } 2459 /* get flags for PMTU */ 2460 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2461 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2464 } 2465 if (net->dscp & 0x01) { 2466 paddrp->spp_dscp = net->dscp & 0xfc; 2467 paddrp->spp_flags |= SPP_DSCP; 2468 } 2469#ifdef INET6 2470 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2471 (net->flowlabel & 0x80000000)) { 2472 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2473 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2474 } 2475#endif 2476 } else { 2477 /* 2478 * No destination so return default 2479 * value 2480 */ 2481 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2482 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2483 if (stcb->asoc.default_dscp & 0x01) { 2484 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2485 paddrp->spp_flags |= SPP_DSCP; 2486 } 2487#ifdef INET6 2488 if (stcb->asoc.default_flowlabel & 0x80000000) { 2489 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2490 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2491 } 2492#endif 2493 /* default settings should be these */ 2494 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } else { 2497 paddrp->spp_flags |= SPP_HB_ENABLE; 2498 } 2499 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } else { 2502 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2503 } 2504 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2505 } 2506 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2507 SCTP_TCB_UNLOCK(stcb); 2508 } else { 2509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2511 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2512 /* Use endpoint defaults */ 2513 SCTP_INP_RLOCK(inp); 2514 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2515 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2516 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2517 /* get inp's default */ 2518 if (inp->sctp_ep.default_dscp & 0x01) { 2519 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2520 paddrp->spp_flags |= SPP_DSCP; 2521 } 2522#ifdef INET6 2523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2524 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2525 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2526 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2527 } 2528#endif 2529 /* can't return this */ 2530 paddrp->spp_pathmtu = 0; 2531 2532 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2533 paddrp->spp_flags |= SPP_HB_ENABLE; 2534 } else { 2535 paddrp->spp_flags |= SPP_HB_DISABLE; 2536 } 2537 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2538 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2539 } else { 2540 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2541 } 2542 SCTP_INP_RUNLOCK(inp); 2543 } else { 2544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2545 error = EINVAL; 2546 } 2547 } 2548 if (error == 0) { 2549 *optsize = sizeof(struct sctp_paddrparams); 2550 } 2551 break; 2552 } 2553 case SCTP_GET_PEER_ADDR_INFO: 2554 { 2555 struct sctp_paddrinfo *paddri; 2556 struct sctp_nets *net; 2557 struct sockaddr *addr; 2558 2559#if defined(INET) && defined(INET6) 2560 struct sockaddr_in sin_store; 2561 2562#endif 2563 2564 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2565 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2566 2567#if defined(INET) && defined(INET6) 2568 if (paddri->spinfo_address.ss_family == AF_INET6) { 2569 struct sockaddr_in6 *sin6; 2570 2571 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2572 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2573 in6_sin6_2_sin(&sin_store, sin6); 2574 addr = (struct sockaddr *)&sin_store; 2575 } else { 2576 addr = (struct sockaddr *)&paddri->spinfo_address; 2577 } 2578 } else { 2579 addr = (struct sockaddr *)&paddri->spinfo_address; 2580 } 2581#else 2582 addr = (struct sockaddr *)&paddri->spinfo_address; 2583#endif 2584 if (stcb != NULL) { 2585 net = sctp_findnet(stcb, addr); 2586 } else { 2587 /* 2588 * We increment here since 2589 * sctp_findassociation_ep_addr() wil do a 2590 * decrement if it finds the stcb as long as 2591 * the locked tcb (last argument) is NOT a 2592 * TCB.. aka NULL. 2593 */ 2594 net = NULL; 2595 SCTP_INP_INCR_REF(inp); 2596 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2597 if (stcb == NULL) { 2598 SCTP_INP_DECR_REF(inp); 2599 } 2600 } 2601 2602 if ((stcb != NULL) && (net != NULL)) { 2603 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2604 /* It's unconfirmed */ 2605 paddri->spinfo_state = SCTP_UNCONFIRMED; 2606 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2607 /* It's active */ 2608 paddri->spinfo_state = SCTP_ACTIVE; 2609 } else { 2610 /* It's inactive */ 2611 paddri->spinfo_state = SCTP_INACTIVE; 2612 } 2613 paddri->spinfo_cwnd = net->cwnd; 2614 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2615 paddri->spinfo_rto = net->RTO; 2616 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2617 paddri->spinfo_mtu = net->mtu; 2618 SCTP_TCB_UNLOCK(stcb); 2619 *optsize = sizeof(struct sctp_paddrinfo); 2620 } else { 2621 if (stcb != NULL) { 2622 SCTP_TCB_UNLOCK(stcb); 2623 } 2624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2625 error = ENOENT; 2626 } 2627 break; 2628 } 2629 case SCTP_PCB_STATUS: 2630 { 2631 struct sctp_pcbinfo *spcb; 2632 2633 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2634 sctp_fill_pcbinfo(spcb); 2635 *optsize = sizeof(struct sctp_pcbinfo); 2636 break; 2637 } 2638 case SCTP_STATUS: 2639 { 2640 struct sctp_nets *net; 2641 struct sctp_status *sstat; 2642 2643 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2644 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2645 2646 if (stcb == NULL) { 2647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2648 error = EINVAL; 2649 break; 2650 } 2651 /* 2652 * I think passing the state is fine since 2653 * sctp_constants.h will be available to the user 2654 * land. 2655 */ 2656 sstat->sstat_state = stcb->asoc.state; 2657 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2658 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2659 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2660 /* 2661 * We can't include chunks that have been passed to 2662 * the socket layer. Only things in queue. 2663 */ 2664 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2665 stcb->asoc.cnt_on_all_streams); 2666 2667 2668 sstat->sstat_instrms = stcb->asoc.streamincnt; 2669 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2670 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2671 memcpy(&sstat->sstat_primary.spinfo_address, 2672 &stcb->asoc.primary_destination->ro._l_addr, 2673 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2674 net = stcb->asoc.primary_destination; 2675 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2676 /* 2677 * Again the user can get info from sctp_constants.h 2678 * for what the state of the network is. 2679 */ 2680 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2681 /* It's unconfirmed */ 2682 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2683 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2684 /* It's active */ 2685 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2686 } else { 2687 /* It's inactive */ 2688 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2689 } 2690 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2691 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2692 sstat->sstat_primary.spinfo_rto = net->RTO; 2693 sstat->sstat_primary.spinfo_mtu = net->mtu; 2694 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2695 SCTP_TCB_UNLOCK(stcb); 2696 *optsize = sizeof(struct sctp_status); 2697 break; 2698 } 2699 case SCTP_RTOINFO: 2700 { 2701 struct sctp_rtoinfo *srto; 2702 2703 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2704 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2705 2706 if (stcb) { 2707 srto->srto_initial = stcb->asoc.initial_rto; 2708 srto->srto_max = stcb->asoc.maxrto; 2709 srto->srto_min = stcb->asoc.minrto; 2710 SCTP_TCB_UNLOCK(stcb); 2711 } else { 2712 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2713 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2714 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2715 SCTP_INP_RLOCK(inp); 2716 srto->srto_initial = inp->sctp_ep.initial_rto; 2717 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2718 srto->srto_min = inp->sctp_ep.sctp_minrto; 2719 SCTP_INP_RUNLOCK(inp); 2720 } else { 2721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2722 error = EINVAL; 2723 } 2724 } 2725 if (error == 0) { 2726 *optsize = sizeof(struct sctp_rtoinfo); 2727 } 2728 break; 2729 } 2730 case SCTP_TIMEOUTS: 2731 { 2732 struct sctp_timeouts *stimo; 2733 2734 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2735 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2736 2737 if (stcb) { 2738 stimo->stimo_init = stcb->asoc.timoinit; 2739 stimo->stimo_data = stcb->asoc.timodata; 2740 stimo->stimo_sack = stcb->asoc.timosack; 2741 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2742 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2743 stimo->stimo_cookie = stcb->asoc.timocookie; 2744 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2745 SCTP_TCB_UNLOCK(stcb); 2746 *optsize = sizeof(struct sctp_timeouts); 2747 } else { 2748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2749 error = EINVAL; 2750 } 2751 break; 2752 } 2753 case SCTP_ASSOCINFO: 2754 { 2755 struct sctp_assocparams *sasoc; 2756 2757 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2758 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2759 2760 if (stcb) { 2761 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2762 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2763 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2764 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2765 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2766 SCTP_TCB_UNLOCK(stcb); 2767 } else { 2768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2770 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2771 SCTP_INP_RLOCK(inp); 2772 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2773 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2774 sasoc->sasoc_number_peer_destinations = 0; 2775 sasoc->sasoc_peer_rwnd = 0; 2776 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2777 SCTP_INP_RUNLOCK(inp); 2778 } else { 2779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2780 error = EINVAL; 2781 } 2782 } 2783 if (error == 0) { 2784 *optsize = sizeof(struct sctp_assocparams); 2785 } 2786 break; 2787 } 2788 case SCTP_DEFAULT_SEND_PARAM: 2789 { 2790 struct sctp_sndrcvinfo *s_info; 2791 2792 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2793 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2794 2795 if (stcb) { 2796 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2797 SCTP_TCB_UNLOCK(stcb); 2798 } else { 2799 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2800 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2801 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2802 SCTP_INP_RLOCK(inp); 2803 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2804 SCTP_INP_RUNLOCK(inp); 2805 } else { 2806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2807 error = EINVAL; 2808 } 2809 } 2810 if (error == 0) { 2811 *optsize = sizeof(struct sctp_sndrcvinfo); 2812 } 2813 break; 2814 } 2815 case SCTP_INITMSG: 2816 { 2817 struct sctp_initmsg *sinit; 2818 2819 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2820 SCTP_INP_RLOCK(inp); 2821 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2822 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2823 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2824 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2825 SCTP_INP_RUNLOCK(inp); 2826 *optsize = sizeof(struct sctp_initmsg); 2827 break; 2828 } 2829 case SCTP_PRIMARY_ADDR: 2830 /* we allow a "get" operation on this */ 2831 { 2832 struct sctp_setprim *ssp; 2833 2834 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2835 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2836 2837 if (stcb) { 2838 union sctp_sockstore *addr; 2839 2840 addr = &stcb->asoc.primary_destination->ro._l_addr; 2841 switch (addr->sa.sa_family) { 2842#ifdef INET 2843 case AF_INET: 2844#ifdef INET6 2845 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2846 in6_sin_2_v4mapsin6(&addr->sin, 2847 (struct sockaddr_in6 *)&ssp->ssp_addr); 2848 } else { 2849 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2850 } 2851#else 2852 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2853#endif 2854 break; 2855#endif 2856#ifdef INET6 2857 case AF_INET6: 2858 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2859 break; 2860#endif 2861 default: 2862 break; 2863 } 2864 SCTP_TCB_UNLOCK(stcb); 2865 *optsize = sizeof(struct sctp_setprim); 2866 } else { 2867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2868 error = EINVAL; 2869 } 2870 break; 2871 } 2872 case SCTP_HMAC_IDENT: 2873 { 2874 struct sctp_hmacalgo *shmac; 2875 sctp_hmaclist_t *hmaclist; 2876 uint32_t size; 2877 int i; 2878 2879 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2880 2881 SCTP_INP_RLOCK(inp); 2882 hmaclist = inp->sctp_ep.local_hmacs; 2883 if (hmaclist == NULL) { 2884 /* no HMACs to return */ 2885 *optsize = sizeof(*shmac); 2886 SCTP_INP_RUNLOCK(inp); 2887 break; 2888 } 2889 /* is there room for all of the hmac ids? */ 2890 size = sizeof(*shmac) + (hmaclist->num_algo * 2891 sizeof(shmac->shmac_idents[0])); 2892 if ((size_t)(*optsize) < size) { 2893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2894 error = EINVAL; 2895 SCTP_INP_RUNLOCK(inp); 2896 break; 2897 } 2898 /* copy in the list */ 2899 shmac->shmac_number_of_idents = hmaclist->num_algo; 2900 for (i = 0; i < hmaclist->num_algo; i++) { 2901 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2902 } 2903 SCTP_INP_RUNLOCK(inp); 2904 *optsize = size; 2905 break; 2906 } 2907 case SCTP_AUTH_ACTIVE_KEY: 2908 { 2909 struct sctp_authkeyid *scact; 2910 2911 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2912 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2913 2914 if (stcb) { 2915 /* get the active key on the assoc */ 2916 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2917 SCTP_TCB_UNLOCK(stcb); 2918 } else { 2919 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2920 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2921 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2922 /* get the endpoint active key */ 2923 SCTP_INP_RLOCK(inp); 2924 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2925 SCTP_INP_RUNLOCK(inp); 2926 } else { 2927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2928 error = EINVAL; 2929 } 2930 } 2931 if (error == 0) { 2932 *optsize = sizeof(struct sctp_authkeyid); 2933 } 2934 break; 2935 } 2936 case SCTP_LOCAL_AUTH_CHUNKS: 2937 { 2938 struct sctp_authchunks *sac; 2939 sctp_auth_chklist_t *chklist = NULL; 2940 size_t size = 0; 2941 2942 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2943 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2944 2945 if (stcb) { 2946 /* get off the assoc */ 2947 chklist = stcb->asoc.local_auth_chunks; 2948 /* is there enough space? */ 2949 size = sctp_auth_get_chklist_size(chklist); 2950 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2951 error = EINVAL; 2952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2953 } else { 2954 /* copy in the chunks */ 2955 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2956 sac->gauth_number_of_chunks = (uint32_t) size; 2957 *optsize = sizeof(struct sctp_authchunks) + size; 2958 } 2959 SCTP_TCB_UNLOCK(stcb); 2960 } else { 2961 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2963 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2964 /* get off the endpoint */ 2965 SCTP_INP_RLOCK(inp); 2966 chklist = inp->sctp_ep.local_auth_chunks; 2967 /* is there enough space? */ 2968 size = sctp_auth_get_chklist_size(chklist); 2969 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2970 error = EINVAL; 2971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2972 } else { 2973 /* copy in the chunks */ 2974 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2975 sac->gauth_number_of_chunks = (uint32_t) size; 2976 *optsize = sizeof(struct sctp_authchunks) + size; 2977 } 2978 SCTP_INP_RUNLOCK(inp); 2979 } else { 2980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2981 error = EINVAL; 2982 } 2983 } 2984 break; 2985 } 2986 case SCTP_PEER_AUTH_CHUNKS: 2987 { 2988 struct sctp_authchunks *sac; 2989 sctp_auth_chklist_t *chklist = NULL; 2990 size_t size = 0; 2991 2992 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2993 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2994 2995 if (stcb) { 2996 /* get off the assoc */ 2997 chklist = stcb->asoc.peer_auth_chunks; 2998 /* is there enough space? */ 2999 size = sctp_auth_get_chklist_size(chklist); 3000 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3001 error = EINVAL; 3002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3003 } else { 3004 /* copy in the chunks */ 3005 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3006 sac->gauth_number_of_chunks = (uint32_t) size; 3007 *optsize = sizeof(struct sctp_authchunks) + size; 3008 } 3009 SCTP_TCB_UNLOCK(stcb); 3010 } else { 3011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3012 error = ENOENT; 3013 } 3014 break; 3015 } 3016 case SCTP_EVENT: 3017 { 3018 struct sctp_event *event; 3019 uint32_t event_type; 3020 3021 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3022 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3023 3024 switch (event->se_type) { 3025 case SCTP_ASSOC_CHANGE: 3026 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3027 break; 3028 case SCTP_PEER_ADDR_CHANGE: 3029 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3030 break; 3031 case SCTP_REMOTE_ERROR: 3032 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3033 break; 3034 case SCTP_SEND_FAILED: 3035 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3036 break; 3037 case SCTP_SHUTDOWN_EVENT: 3038 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3039 break; 3040 case SCTP_ADAPTATION_INDICATION: 3041 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3042 break; 3043 case SCTP_PARTIAL_DELIVERY_EVENT: 3044 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3045 break; 3046 case SCTP_AUTHENTICATION_EVENT: 3047 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3048 break; 3049 case SCTP_STREAM_RESET_EVENT: 3050 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3051 break; 3052 case SCTP_SENDER_DRY_EVENT: 3053 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3054 break; 3055 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3056 event_type = 0; 3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3058 error = ENOTSUP; 3059 break; 3060 case SCTP_ASSOC_RESET_EVENT: 3061 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3062 break; 3063 case SCTP_STREAM_CHANGE_EVENT: 3064 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3065 break; 3066 case SCTP_SEND_FAILED_EVENT: 3067 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3068 break; 3069 default: 3070 event_type = 0; 3071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3072 error = EINVAL; 3073 break; 3074 } 3075 if (event_type > 0) { 3076 if (stcb) { 3077 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3078 SCTP_TCB_UNLOCK(stcb); 3079 } else { 3080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3082 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3083 SCTP_INP_RLOCK(inp); 3084 event->se_on = sctp_is_feature_on(inp, event_type); 3085 SCTP_INP_RUNLOCK(inp); 3086 } else { 3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3088 error = EINVAL; 3089 } 3090 } 3091 } 3092 if (error == 0) { 3093 *optsize = sizeof(struct sctp_event); 3094 } 3095 break; 3096 } 3097 case SCTP_RECVRCVINFO: 3098 { 3099 int onoff; 3100 3101 if (*optsize < sizeof(int)) { 3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3103 error = EINVAL; 3104 } else { 3105 SCTP_INP_RLOCK(inp); 3106 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3107 SCTP_INP_RUNLOCK(inp); 3108 } 3109 if (error == 0) { 3110 /* return the option value */ 3111 *(int *)optval = onoff; 3112 *optsize = sizeof(int); 3113 } 3114 break; 3115 } 3116 case SCTP_RECVNXTINFO: 3117 { 3118 int onoff; 3119 3120 if (*optsize < sizeof(int)) { 3121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3122 error = EINVAL; 3123 } else { 3124 SCTP_INP_RLOCK(inp); 3125 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3126 SCTP_INP_RUNLOCK(inp); 3127 } 3128 if (error == 0) { 3129 /* return the option value */ 3130 *(int *)optval = onoff; 3131 *optsize = sizeof(int); 3132 } 3133 break; 3134 } 3135 case SCTP_DEFAULT_SNDINFO: 3136 { 3137 struct sctp_sndinfo *info; 3138 3139 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3140 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3141 3142 if (stcb) { 3143 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3144 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3145 info->snd_flags &= 0xfff0; 3146 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3147 info->snd_context = stcb->asoc.def_send.sinfo_context; 3148 SCTP_TCB_UNLOCK(stcb); 3149 } else { 3150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3151 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3152 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3153 SCTP_INP_RLOCK(inp); 3154 info->snd_sid = inp->def_send.sinfo_stream; 3155 info->snd_flags = inp->def_send.sinfo_flags; 3156 info->snd_flags &= 0xfff0; 3157 info->snd_ppid = inp->def_send.sinfo_ppid; 3158 info->snd_context = inp->def_send.sinfo_context; 3159 SCTP_INP_RUNLOCK(inp); 3160 } else { 3161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3162 error = EINVAL; 3163 } 3164 } 3165 if (error == 0) { 3166 *optsize = sizeof(struct sctp_sndinfo); 3167 } 3168 break; 3169 } 3170 case SCTP_DEFAULT_PRINFO: 3171 { 3172 struct sctp_default_prinfo *info; 3173 3174 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3175 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3176 3177 if (stcb) { 3178 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3179 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3180 SCTP_TCB_UNLOCK(stcb); 3181 } else { 3182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3183 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3184 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3185 SCTP_INP_RLOCK(inp); 3186 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3187 info->pr_value = inp->def_send.sinfo_timetolive; 3188 SCTP_INP_RUNLOCK(inp); 3189 } else { 3190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3191 error = EINVAL; 3192 } 3193 } 3194 if (error == 0) { 3195 *optsize = sizeof(struct sctp_default_prinfo); 3196 } 3197 break; 3198 } 3199 case SCTP_PEER_ADDR_THLDS: 3200 { 3201 struct sctp_paddrthlds *thlds; 3202 struct sctp_nets *net; 3203 struct sockaddr *addr; 3204 3205#if defined(INET) && defined(INET6) 3206 struct sockaddr_in sin_store; 3207 3208#endif 3209 3210 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3211 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3212 3213#if defined(INET) && defined(INET6) 3214 if (thlds->spt_address.ss_family == AF_INET6) { 3215 struct sockaddr_in6 *sin6; 3216 3217 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3218 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3219 in6_sin6_2_sin(&sin_store, sin6); 3220 addr = (struct sockaddr *)&sin_store; 3221 } else { 3222 addr = (struct sockaddr *)&thlds->spt_address; 3223 } 3224 } else { 3225 addr = (struct sockaddr *)&thlds->spt_address; 3226 } 3227#else 3228 addr = (struct sockaddr *)&thlds->spt_address; 3229#endif 3230 if (stcb != NULL) { 3231 net = sctp_findnet(stcb, addr); 3232 } else { 3233 /* 3234 * We increment here since 3235 * sctp_findassociation_ep_addr() wil do a 3236 * decrement if it finds the stcb as long as 3237 * the locked tcb (last argument) is NOT a 3238 * TCB.. aka NULL. 3239 */ 3240 net = NULL; 3241 SCTP_INP_INCR_REF(inp); 3242 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3243 if (stcb == NULL) { 3244 SCTP_INP_DECR_REF(inp); 3245 } 3246 } 3247 if ((stcb != NULL) && (net == NULL)) { 3248#ifdef INET 3249 if (addr->sa_family == AF_INET) { 3250 struct sockaddr_in *sin; 3251 3252 sin = (struct sockaddr_in *)addr; 3253 if (sin->sin_addr.s_addr != INADDR_ANY) { 3254 error = EINVAL; 3255 SCTP_TCB_UNLOCK(stcb); 3256 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3257 break; 3258 } 3259 } else 3260#endif 3261#ifdef INET6 3262 if (addr->sa_family == AF_INET6) { 3263 struct sockaddr_in6 *sin6; 3264 3265 sin6 = (struct sockaddr_in6 *)addr; 3266 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3267 error = EINVAL; 3268 SCTP_TCB_UNLOCK(stcb); 3269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3270 break; 3271 } 3272 } else 3273#endif 3274 { 3275 error = EAFNOSUPPORT; 3276 SCTP_TCB_UNLOCK(stcb); 3277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3278 break; 3279 } 3280 } 3281 if (stcb != NULL) { 3282 if (net != NULL) { 3283 thlds->spt_pathmaxrxt = net->failure_threshold; 3284 thlds->spt_pathpfthld = net->pf_threshold; 3285 } else { 3286 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3287 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3288 } 3289 thlds->spt_assoc_id = sctp_get_associd(stcb); 3290 SCTP_TCB_UNLOCK(stcb); 3291 } else { 3292 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3293 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3294 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3295 /* Use endpoint defaults */ 3296 SCTP_INP_RLOCK(inp); 3297 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3298 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3299 SCTP_INP_RUNLOCK(inp); 3300 } else { 3301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3302 error = EINVAL; 3303 } 3304 } 3305 if (error == 0) { 3306 *optsize = sizeof(struct sctp_paddrthlds); 3307 } 3308 break; 3309 } 3310 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3311 { 3312 struct sctp_udpencaps *encaps; 3313 struct sctp_nets *net; 3314 struct sockaddr *addr; 3315 3316#if defined(INET) && defined(INET6) 3317 struct sockaddr_in sin_store; 3318 3319#endif 3320 3321 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3322 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3323 3324#if defined(INET) && defined(INET6) 3325 if (encaps->sue_address.ss_family == AF_INET6) { 3326 struct sockaddr_in6 *sin6; 3327 3328 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3329 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3330 in6_sin6_2_sin(&sin_store, sin6); 3331 addr = (struct sockaddr *)&sin_store; 3332 } else { 3333 addr = (struct sockaddr *)&encaps->sue_address; 3334 } 3335 } else { 3336 addr = (struct sockaddr *)&encaps->sue_address; 3337 } 3338#else 3339 addr = (struct sockaddr *)&encaps->sue_address; 3340#endif 3341 if (stcb) { 3342 net = sctp_findnet(stcb, addr); 3343 } else { 3344 /* 3345 * We increment here since 3346 * sctp_findassociation_ep_addr() wil do a 3347 * decrement if it finds the stcb as long as 3348 * the locked tcb (last argument) is NOT a 3349 * TCB.. aka NULL. 3350 */ 3351 net = NULL; 3352 SCTP_INP_INCR_REF(inp); 3353 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3354 if (stcb == NULL) { 3355 SCTP_INP_DECR_REF(inp); 3356 } 3357 } 3358 if ((stcb != NULL) && (net == NULL)) { 3359#ifdef INET 3360 if (addr->sa_family == AF_INET) { 3361 struct sockaddr_in *sin; 3362 3363 sin = (struct sockaddr_in *)addr; 3364 if (sin->sin_addr.s_addr != INADDR_ANY) { 3365 error = EINVAL; 3366 SCTP_TCB_UNLOCK(stcb); 3367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3368 break; 3369 } 3370 } else 3371#endif 3372#ifdef INET6 3373 if (addr->sa_family == AF_INET6) { 3374 struct sockaddr_in6 *sin6; 3375 3376 sin6 = (struct sockaddr_in6 *)addr; 3377 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3378 error = EINVAL; 3379 SCTP_TCB_UNLOCK(stcb); 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3381 break; 3382 } 3383 } else 3384#endif 3385 { 3386 error = EAFNOSUPPORT; 3387 SCTP_TCB_UNLOCK(stcb); 3388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3389 break; 3390 } 3391 } 3392 if (stcb != NULL) { 3393 if (net) { 3394 encaps->sue_port = net->port; 3395 } else { 3396 encaps->sue_port = stcb->asoc.port; 3397 } 3398 SCTP_TCB_UNLOCK(stcb); 3399 } else { 3400 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3401 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3402 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3403 SCTP_INP_RLOCK(inp); 3404 encaps->sue_port = inp->sctp_ep.port; 3405 SCTP_INP_RUNLOCK(inp); 3406 } else { 3407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3408 error = EINVAL; 3409 } 3410 } 3411 if (error == 0) { 3412 *optsize = sizeof(struct sctp_udpencaps); 3413 } 3414 break; 3415 } 3416 case SCTP_ECN_SUPPORTED: 3417 { 3418 struct sctp_assoc_value *av; 3419 3420 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3421 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3422 3423 if (stcb) { 3424 av->assoc_value = stcb->asoc.ecn_supported; 3425 SCTP_TCB_UNLOCK(stcb); 3426 } else { 3427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3428 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3429 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3430 SCTP_INP_RLOCK(inp); 3431 av->assoc_value = inp->ecn_supported; 3432 SCTP_INP_RUNLOCK(inp); 3433 } else { 3434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3435 error = EINVAL; 3436 } 3437 } 3438 if (error == 0) { 3439 *optsize = sizeof(struct sctp_assoc_value); 3440 } 3441 break; 3442 } 3443 case SCTP_PR_SUPPORTED: 3444 { 3445 struct sctp_assoc_value *av; 3446 3447 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3448 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3449 3450 if (stcb) { 3451 av->assoc_value = stcb->asoc.prsctp_supported; 3452 SCTP_TCB_UNLOCK(stcb); 3453 } else { 3454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3455 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3456 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3457 SCTP_INP_RLOCK(inp); 3458 av->assoc_value = inp->prsctp_supported; 3459 SCTP_INP_RUNLOCK(inp); 3460 } else { 3461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3462 error = EINVAL; 3463 } 3464 } 3465 if (error == 0) { 3466 *optsize = sizeof(struct sctp_assoc_value); 3467 } 3468 break; 3469 } 3470 case SCTP_AUTH_SUPPORTED: 3471 { 3472 struct sctp_assoc_value *av; 3473 3474 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3475 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3476 3477 if (stcb) { 3478 av->assoc_value = stcb->asoc.auth_supported; 3479 SCTP_TCB_UNLOCK(stcb); 3480 } else { 3481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3483 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3484 SCTP_INP_RLOCK(inp); 3485 av->assoc_value = inp->auth_supported; 3486 SCTP_INP_RUNLOCK(inp); 3487 } else { 3488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3489 error = EINVAL; 3490 } 3491 } 3492 if (error == 0) { 3493 *optsize = sizeof(struct sctp_assoc_value); 3494 } 3495 break; 3496 } 3497 case SCTP_ASCONF_SUPPORTED: 3498 { 3499 struct sctp_assoc_value *av; 3500 3501 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3502 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3503 3504 if (stcb) { 3505 av->assoc_value = stcb->asoc.asconf_supported; 3506 SCTP_TCB_UNLOCK(stcb); 3507 } else { 3508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3510 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3511 SCTP_INP_RLOCK(inp); 3512 av->assoc_value = inp->asconf_supported; 3513 SCTP_INP_RUNLOCK(inp); 3514 } else { 3515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3516 error = EINVAL; 3517 } 3518 } 3519 if (error == 0) { 3520 *optsize = sizeof(struct sctp_assoc_value); 3521 } 3522 break; 3523 } 3524 case SCTP_RECONFIG_SUPPORTED: 3525 { 3526 struct sctp_assoc_value *av; 3527 3528 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3529 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3530 3531 if (stcb) { 3532 av->assoc_value = stcb->asoc.reconfig_supported; 3533 SCTP_TCB_UNLOCK(stcb); 3534 } else { 3535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3537 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3538 SCTP_INP_RLOCK(inp); 3539 av->assoc_value = inp->reconfig_supported; 3540 SCTP_INP_RUNLOCK(inp); 3541 } else { 3542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3543 error = EINVAL; 3544 } 3545 } 3546 if (error == 0) { 3547 *optsize = sizeof(struct sctp_assoc_value); 3548 } 3549 break; 3550 } 3551 case SCTP_NRSACK_SUPPORTED: 3552 { 3553 struct sctp_assoc_value *av; 3554 3555 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3556 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3557 3558 if (stcb) { 3559 av->assoc_value = stcb->asoc.nrsack_supported; 3560 SCTP_TCB_UNLOCK(stcb); 3561 } else { 3562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3563 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3564 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3565 SCTP_INP_RLOCK(inp); 3566 av->assoc_value = inp->nrsack_supported; 3567 SCTP_INP_RUNLOCK(inp); 3568 } else { 3569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3570 error = EINVAL; 3571 } 3572 } 3573 if (error == 0) { 3574 *optsize = sizeof(struct sctp_assoc_value); 3575 } 3576 break; 3577 } 3578 case SCTP_PKTDROP_SUPPORTED: 3579 { 3580 struct sctp_assoc_value *av; 3581 3582 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3583 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3584 3585 if (stcb) { 3586 av->assoc_value = stcb->asoc.pktdrop_supported; 3587 SCTP_TCB_UNLOCK(stcb); 3588 } else { 3589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3590 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3591 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3592 SCTP_INP_RLOCK(inp); 3593 av->assoc_value = inp->pktdrop_supported; 3594 SCTP_INP_RUNLOCK(inp); 3595 } else { 3596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3597 error = EINVAL; 3598 } 3599 } 3600 if (error == 0) { 3601 *optsize = sizeof(struct sctp_assoc_value); 3602 } 3603 break; 3604 } 3605 case SCTP_ENABLE_STREAM_RESET: 3606 { 3607 struct sctp_assoc_value *av; 3608 3609 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3610 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3611 3612 if (stcb) { 3613 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3614 SCTP_TCB_UNLOCK(stcb); 3615 } else { 3616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3617 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3618 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3619 SCTP_INP_RLOCK(inp); 3620 av->assoc_value = (uint32_t) inp->local_strreset_support; 3621 SCTP_INP_RUNLOCK(inp); 3622 } else { 3623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3624 error = EINVAL; 3625 } 3626 } 3627 if (error == 0) { 3628 *optsize = sizeof(struct sctp_assoc_value); 3629 } 3630 break; 3631 } 3632 case SCTP_PR_STREAM_STATUS: 3633 { 3634 struct sctp_prstatus *sprstat; 3635 uint16_t sid; 3636 uint16_t policy; 3637 3638 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3639 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3640 3641 sid = sprstat->sprstat_sid; 3642 policy = sprstat->sprstat_policy; 3643#if defined(SCTP_DETAILED_STR_STATS) 3644 if ((stcb != NULL) && 3645 (sid < stcb->asoc.streamoutcnt) && 3646 (policy != SCTP_PR_SCTP_NONE) && 3647 ((policy <= SCTP_PR_SCTP_MAX) || 3648 (policy == SCTP_PR_SCTP_ALL))) { 3649 if (policy == SCTP_PR_SCTP_ALL) { 3650 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3651 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3652 } else { 3653 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3654 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3655 } 3656#else 3657 if ((stcb != NULL) && 3658 (sid < stcb->asoc.streamoutcnt) && 3659 (policy == SCTP_PR_SCTP_ALL)) { 3660 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3661 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3662#endif 3663 SCTP_TCB_UNLOCK(stcb); 3664 *optsize = sizeof(struct sctp_prstatus); 3665 } else { 3666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3667 error = EINVAL; 3668 } 3669 break; 3670 } 3671 case SCTP_PR_ASSOC_STATUS: 3672 { 3673 struct sctp_prstatus *sprstat; 3674 uint16_t policy; 3675 3676 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3677 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3678 3679 policy = sprstat->sprstat_policy; 3680 if ((stcb != NULL) && 3681 (policy != SCTP_PR_SCTP_NONE) && 3682 ((policy <= SCTP_PR_SCTP_MAX) || 3683 (policy == SCTP_PR_SCTP_ALL))) { 3684 if (policy == SCTP_PR_SCTP_ALL) { 3685 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3686 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3687 } else { 3688 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3689 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3690 } 3691 SCTP_TCB_UNLOCK(stcb); 3692 *optsize = sizeof(struct sctp_prstatus); 3693 } else { 3694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3695 error = EINVAL; 3696 } 3697 break; 3698 } 3699 case SCTP_MAX_CWND: 3700 { 3701 struct sctp_assoc_value *av; 3702 3703 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3704 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3705 3706 if (stcb) { 3707 av->assoc_value = stcb->asoc.max_cwnd; 3708 SCTP_TCB_UNLOCK(stcb); 3709 } else { 3710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3712 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3713 SCTP_INP_RLOCK(inp); 3714 av->assoc_value = inp->max_cwnd; 3715 SCTP_INP_RUNLOCK(inp); 3716 } else { 3717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3718 error = EINVAL; 3719 } 3720 } 3721 if (error == 0) { 3722 *optsize = sizeof(struct sctp_assoc_value); 3723 } 3724 break; 3725 } 3726 default: 3727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3728 error = ENOPROTOOPT; 3729 break; 3730 } /* end switch (sopt->sopt_name) */ 3731 if (error) { 3732 *optsize = 0; 3733 } 3734 return (error); 3735} 3736 3737static int 3738sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3739 void *p) 3740{ 3741 int error, set_opt; 3742 uint32_t *mopt; 3743 struct sctp_tcb *stcb = NULL; 3744 struct sctp_inpcb *inp = NULL; 3745 uint32_t vrf_id; 3746 3747 if (optval == NULL) { 3748 SCTP_PRINTF("optval is NULL\n"); 3749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3750 return (EINVAL); 3751 } 3752 inp = (struct sctp_inpcb *)so->so_pcb; 3753 if (inp == NULL) { 3754 SCTP_PRINTF("inp is NULL?\n"); 3755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3756 return (EINVAL); 3757 } 3758 vrf_id = inp->def_vrf_id; 3759 3760 error = 0; 3761 switch (optname) { 3762 case SCTP_NODELAY: 3763 case SCTP_AUTOCLOSE: 3764 case SCTP_AUTO_ASCONF: 3765 case SCTP_EXPLICIT_EOR: 3766 case SCTP_DISABLE_FRAGMENTS: 3767 case SCTP_USE_EXT_RCVINFO: 3768 case SCTP_I_WANT_MAPPED_V4_ADDR: 3769 /* copy in the option value */ 3770 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3771 set_opt = 0; 3772 if (error) 3773 break; 3774 switch (optname) { 3775 case SCTP_DISABLE_FRAGMENTS: 3776 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3777 break; 3778 case SCTP_AUTO_ASCONF: 3779 /* 3780 * NOTE: we don't really support this flag 3781 */ 3782 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3783 /* only valid for bound all sockets */ 3784 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3785 (*mopt != 0)) { 3786 /* forbidden by admin */ 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3788 return (EPERM); 3789 } 3790 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3791 } else { 3792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3793 return (EINVAL); 3794 } 3795 break; 3796 case SCTP_EXPLICIT_EOR: 3797 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3798 break; 3799 case SCTP_USE_EXT_RCVINFO: 3800 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3801 break; 3802 case SCTP_I_WANT_MAPPED_V4_ADDR: 3803 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3804 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3805 } else { 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3807 return (EINVAL); 3808 } 3809 break; 3810 case SCTP_NODELAY: 3811 set_opt = SCTP_PCB_FLAGS_NODELAY; 3812 break; 3813 case SCTP_AUTOCLOSE: 3814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3815 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3817 return (EINVAL); 3818 } 3819 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3820 /* 3821 * The value is in ticks. Note this does not effect 3822 * old associations, only new ones. 3823 */ 3824 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3825 break; 3826 } 3827 SCTP_INP_WLOCK(inp); 3828 if (*mopt != 0) { 3829 sctp_feature_on(inp, set_opt); 3830 } else { 3831 sctp_feature_off(inp, set_opt); 3832 } 3833 SCTP_INP_WUNLOCK(inp); 3834 break; 3835 case SCTP_REUSE_PORT: 3836 { 3837 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3838 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3839 /* Can't set it after we are bound */ 3840 error = EINVAL; 3841 break; 3842 } 3843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3844 /* Can't do this for a 1-m socket */ 3845 error = EINVAL; 3846 break; 3847 } 3848 if (optval) 3849 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3850 else 3851 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3852 break; 3853 } 3854 case SCTP_PARTIAL_DELIVERY_POINT: 3855 { 3856 uint32_t *value; 3857 3858 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3859 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3861 error = EINVAL; 3862 break; 3863 } 3864 inp->partial_delivery_point = *value; 3865 break; 3866 } 3867 case SCTP_FRAGMENT_INTERLEAVE: 3868 /* not yet until we re-write sctp_recvmsg() */ 3869 { 3870 uint32_t *level; 3871 3872 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3873 if (*level == SCTP_FRAG_LEVEL_2) { 3874 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3876 } else if (*level == SCTP_FRAG_LEVEL_1) { 3877 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 } else if (*level == SCTP_FRAG_LEVEL_0) { 3880 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3882 3883 } else { 3884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3885 error = EINVAL; 3886 } 3887 break; 3888 } 3889 case SCTP_CMT_ON_OFF: 3890 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3891 struct sctp_assoc_value *av; 3892 3893 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3894 if (av->assoc_value > SCTP_CMT_MAX) { 3895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3896 error = EINVAL; 3897 break; 3898 } 3899 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3900 if (stcb) { 3901 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3902 SCTP_TCB_UNLOCK(stcb); 3903 } else { 3904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3906 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3907 (av->assoc_id == SCTP_ALL_ASSOC)) { 3908 SCTP_INP_WLOCK(inp); 3909 inp->sctp_cmt_on_off = av->assoc_value; 3910 SCTP_INP_WUNLOCK(inp); 3911 } 3912 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3913 (av->assoc_id == SCTP_ALL_ASSOC)) { 3914 SCTP_INP_RLOCK(inp); 3915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3916 SCTP_TCB_LOCK(stcb); 3917 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3918 SCTP_TCB_UNLOCK(stcb); 3919 } 3920 SCTP_INP_RUNLOCK(inp); 3921 } 3922 } 3923 } else { 3924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3925 error = ENOPROTOOPT; 3926 } 3927 break; 3928 case SCTP_PLUGGABLE_CC: 3929 { 3930 struct sctp_assoc_value *av; 3931 struct sctp_nets *net; 3932 3933 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3934 if ((av->assoc_value != SCTP_CC_RFC2581) && 3935 (av->assoc_value != SCTP_CC_HSTCP) && 3936 (av->assoc_value != SCTP_CC_HTCP) && 3937 (av->assoc_value != SCTP_CC_RTCC)) { 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3939 error = EINVAL; 3940 break; 3941 } 3942 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3943 if (stcb) { 3944 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3945 stcb->asoc.congestion_control_module = av->assoc_value; 3946 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3947 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3948 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3949 } 3950 } 3951 SCTP_TCB_UNLOCK(stcb); 3952 } else { 3953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3955 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3956 (av->assoc_id == SCTP_ALL_ASSOC)) { 3957 SCTP_INP_WLOCK(inp); 3958 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3959 SCTP_INP_WUNLOCK(inp); 3960 } 3961 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3962 (av->assoc_id == SCTP_ALL_ASSOC)) { 3963 SCTP_INP_RLOCK(inp); 3964 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3965 SCTP_TCB_LOCK(stcb); 3966 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3967 stcb->asoc.congestion_control_module = av->assoc_value; 3968 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3969 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3970 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3971 } 3972 } 3973 SCTP_TCB_UNLOCK(stcb); 3974 } 3975 SCTP_INP_RUNLOCK(inp); 3976 } 3977 } 3978 break; 3979 } 3980 case SCTP_CC_OPTION: 3981 { 3982 struct sctp_cc_option *cc_opt; 3983 3984 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3985 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3986 if (stcb == NULL) { 3987 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3988 SCTP_INP_RLOCK(inp); 3989 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3990 SCTP_TCB_LOCK(stcb); 3991 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3992 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3993 } 3994 SCTP_TCB_UNLOCK(stcb); 3995 } 3996 SCTP_INP_RUNLOCK(inp); 3997 } else { 3998 error = EINVAL; 3999 } 4000 } else { 4001 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4002 error = ENOTSUP; 4003 } else { 4004 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4005 cc_opt); 4006 } 4007 SCTP_TCB_UNLOCK(stcb); 4008 } 4009 break; 4010 } 4011 case SCTP_PLUGGABLE_SS: 4012 { 4013 struct sctp_assoc_value *av; 4014 4015 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4016 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4017 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4018 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4019 (av->assoc_value != SCTP_SS_PRIORITY) && 4020 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4021 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4023 error = EINVAL; 4024 break; 4025 } 4026 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4027 if (stcb) { 4028 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4029 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4030 stcb->asoc.stream_scheduling_module = av->assoc_value; 4031 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4032 SCTP_TCB_UNLOCK(stcb); 4033 } else { 4034 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4035 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4036 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4037 (av->assoc_id == SCTP_ALL_ASSOC)) { 4038 SCTP_INP_WLOCK(inp); 4039 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4040 SCTP_INP_WUNLOCK(inp); 4041 } 4042 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4043 (av->assoc_id == SCTP_ALL_ASSOC)) { 4044 SCTP_INP_RLOCK(inp); 4045 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4046 SCTP_TCB_LOCK(stcb); 4047 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4048 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4049 stcb->asoc.stream_scheduling_module = av->assoc_value; 4050 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4051 SCTP_TCB_UNLOCK(stcb); 4052 } 4053 SCTP_INP_RUNLOCK(inp); 4054 } 4055 } 4056 break; 4057 } 4058 case SCTP_SS_VALUE: 4059 { 4060 struct sctp_stream_value *av; 4061 4062 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4063 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4064 if (stcb) { 4065 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4066 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4067 av->stream_value) < 0)) { 4068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4069 error = EINVAL; 4070 } 4071 SCTP_TCB_UNLOCK(stcb); 4072 } else { 4073 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4074 SCTP_INP_RLOCK(inp); 4075 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4076 SCTP_TCB_LOCK(stcb); 4077 if (av->stream_id < stcb->asoc.streamoutcnt) { 4078 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4079 &stcb->asoc, 4080 &stcb->asoc.strmout[av->stream_id], 4081 av->stream_value); 4082 } 4083 SCTP_TCB_UNLOCK(stcb); 4084 } 4085 SCTP_INP_RUNLOCK(inp); 4086 } else { 4087 /* 4088 * Can't set stream value without 4089 * association 4090 */ 4091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4092 error = EINVAL; 4093 } 4094 } 4095 break; 4096 } 4097 case SCTP_CLR_STAT_LOG: 4098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4099 error = EOPNOTSUPP; 4100 break; 4101 case SCTP_CONTEXT: 4102 { 4103 struct sctp_assoc_value *av; 4104 4105 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4106 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4107 4108 if (stcb) { 4109 stcb->asoc.context = av->assoc_value; 4110 SCTP_TCB_UNLOCK(stcb); 4111 } else { 4112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4113 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4114 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4115 (av->assoc_id == SCTP_ALL_ASSOC)) { 4116 SCTP_INP_WLOCK(inp); 4117 inp->sctp_context = av->assoc_value; 4118 SCTP_INP_WUNLOCK(inp); 4119 } 4120 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4121 (av->assoc_id == SCTP_ALL_ASSOC)) { 4122 SCTP_INP_RLOCK(inp); 4123 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4124 SCTP_TCB_LOCK(stcb); 4125 stcb->asoc.context = av->assoc_value; 4126 SCTP_TCB_UNLOCK(stcb); 4127 } 4128 SCTP_INP_RUNLOCK(inp); 4129 } 4130 } 4131 break; 4132 } 4133 case SCTP_VRF_ID: 4134 { 4135 uint32_t *default_vrfid; 4136 4137 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4138 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4140 error = EINVAL; 4141 break; 4142 } 4143 inp->def_vrf_id = *default_vrfid; 4144 break; 4145 } 4146 case SCTP_DEL_VRF_ID: 4147 { 4148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4149 error = EOPNOTSUPP; 4150 break; 4151 } 4152 case SCTP_ADD_VRF_ID: 4153 { 4154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4155 error = EOPNOTSUPP; 4156 break; 4157 } 4158 case SCTP_DELAYED_SACK: 4159 { 4160 struct sctp_sack_info *sack; 4161 4162 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4163 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4164 if (sack->sack_delay) { 4165 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4166 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4167 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4168 sack->sack_delay = TICKS_TO_MSEC(1); 4169 } 4170 } 4171 if (stcb) { 4172 if (sack->sack_delay) { 4173 stcb->asoc.delayed_ack = sack->sack_delay; 4174 } 4175 if (sack->sack_freq) { 4176 stcb->asoc.sack_freq = sack->sack_freq; 4177 } 4178 SCTP_TCB_UNLOCK(stcb); 4179 } else { 4180 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4181 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4182 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4183 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4184 SCTP_INP_WLOCK(inp); 4185 if (sack->sack_delay) { 4186 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4187 } 4188 if (sack->sack_freq) { 4189 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4190 } 4191 SCTP_INP_WUNLOCK(inp); 4192 } 4193 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4194 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4195 SCTP_INP_RLOCK(inp); 4196 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4197 SCTP_TCB_LOCK(stcb); 4198 if (sack->sack_delay) { 4199 stcb->asoc.delayed_ack = sack->sack_delay; 4200 } 4201 if (sack->sack_freq) { 4202 stcb->asoc.sack_freq = sack->sack_freq; 4203 } 4204 SCTP_TCB_UNLOCK(stcb); 4205 } 4206 SCTP_INP_RUNLOCK(inp); 4207 } 4208 } 4209 break; 4210 } 4211 case SCTP_AUTH_CHUNK: 4212 { 4213 struct sctp_authchunk *sauth; 4214 4215 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4216 4217 SCTP_INP_WLOCK(inp); 4218 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4220 error = EINVAL; 4221 } 4222 SCTP_INP_WUNLOCK(inp); 4223 break; 4224 } 4225 case SCTP_AUTH_KEY: 4226 { 4227 struct sctp_authkey *sca; 4228 struct sctp_keyhead *shared_keys; 4229 sctp_sharedkey_t *shared_key; 4230 sctp_key_t *key = NULL; 4231 size_t size; 4232 4233 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4234 if (sca->sca_keylength == 0) { 4235 size = optsize - sizeof(struct sctp_authkey); 4236 } else { 4237 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4238 size = sca->sca_keylength; 4239 } else { 4240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4241 error = EINVAL; 4242 break; 4243 } 4244 } 4245 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4246 4247 if (stcb) { 4248 shared_keys = &stcb->asoc.shared_keys; 4249 /* clear the cached keys for this key id */ 4250 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4251 /* 4252 * create the new shared key and 4253 * insert/replace it 4254 */ 4255 if (size > 0) { 4256 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4257 if (key == NULL) { 4258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4259 error = ENOMEM; 4260 SCTP_TCB_UNLOCK(stcb); 4261 break; 4262 } 4263 } 4264 shared_key = sctp_alloc_sharedkey(); 4265 if (shared_key == NULL) { 4266 sctp_free_key(key); 4267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4268 error = ENOMEM; 4269 SCTP_TCB_UNLOCK(stcb); 4270 break; 4271 } 4272 shared_key->key = key; 4273 shared_key->keyid = sca->sca_keynumber; 4274 error = sctp_insert_sharedkey(shared_keys, shared_key); 4275 SCTP_TCB_UNLOCK(stcb); 4276 } else { 4277 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4278 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4279 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4280 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4281 SCTP_INP_WLOCK(inp); 4282 shared_keys = &inp->sctp_ep.shared_keys; 4283 /* 4284 * clear the cached keys on all 4285 * assocs for this key id 4286 */ 4287 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4288 /* 4289 * create the new shared key and 4290 * insert/replace it 4291 */ 4292 if (size > 0) { 4293 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4294 if (key == NULL) { 4295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4296 error = ENOMEM; 4297 SCTP_INP_WUNLOCK(inp); 4298 break; 4299 } 4300 } 4301 shared_key = sctp_alloc_sharedkey(); 4302 if (shared_key == NULL) { 4303 sctp_free_key(key); 4304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4305 error = ENOMEM; 4306 SCTP_INP_WUNLOCK(inp); 4307 break; 4308 } 4309 shared_key->key = key; 4310 shared_key->keyid = sca->sca_keynumber; 4311 error = sctp_insert_sharedkey(shared_keys, shared_key); 4312 SCTP_INP_WUNLOCK(inp); 4313 } 4314 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4315 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4316 SCTP_INP_RLOCK(inp); 4317 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4318 SCTP_TCB_LOCK(stcb); 4319 shared_keys = &stcb->asoc.shared_keys; 4320 /* 4321 * clear the cached keys for 4322 * this key id 4323 */ 4324 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4325 /* 4326 * create the new shared key 4327 * and insert/replace it 4328 */ 4329 if (size > 0) { 4330 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4331 if (key == NULL) { 4332 SCTP_TCB_UNLOCK(stcb); 4333 continue; 4334 } 4335 } 4336 shared_key = sctp_alloc_sharedkey(); 4337 if (shared_key == NULL) { 4338 sctp_free_key(key); 4339 SCTP_TCB_UNLOCK(stcb); 4340 continue; 4341 } 4342 shared_key->key = key; 4343 shared_key->keyid = sca->sca_keynumber; 4344 error = sctp_insert_sharedkey(shared_keys, shared_key); 4345 SCTP_TCB_UNLOCK(stcb); 4346 } 4347 SCTP_INP_RUNLOCK(inp); 4348 } 4349 } 4350 break; 4351 } 4352 case SCTP_HMAC_IDENT: 4353 { 4354 struct sctp_hmacalgo *shmac; 4355 sctp_hmaclist_t *hmaclist; 4356 uint16_t hmacid; 4357 uint32_t i; 4358 4359 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4360 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4361 (shmac->shmac_number_of_idents > 0xffff)) { 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4363 error = EINVAL; 4364 break; 4365 } 4366 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4367 if (hmaclist == NULL) { 4368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4369 error = ENOMEM; 4370 break; 4371 } 4372 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4373 hmacid = shmac->shmac_idents[i]; 4374 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4375 /* invalid HMACs were found */ ; 4376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4377 error = EINVAL; 4378 sctp_free_hmaclist(hmaclist); 4379 goto sctp_set_hmac_done; 4380 } 4381 } 4382 for (i = 0; i < hmaclist->num_algo; i++) { 4383 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4384 /* already in list */ 4385 break; 4386 } 4387 } 4388 if (i == hmaclist->num_algo) { 4389 /* not found in list */ 4390 sctp_free_hmaclist(hmaclist); 4391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4392 error = EINVAL; 4393 break; 4394 } 4395 /* set it on the endpoint */ 4396 SCTP_INP_WLOCK(inp); 4397 if (inp->sctp_ep.local_hmacs) 4398 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4399 inp->sctp_ep.local_hmacs = hmaclist; 4400 SCTP_INP_WUNLOCK(inp); 4401 sctp_set_hmac_done: 4402 break; 4403 } 4404 case SCTP_AUTH_ACTIVE_KEY: 4405 { 4406 struct sctp_authkeyid *scact; 4407 4408 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4409 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4410 4411 /* set the active key on the right place */ 4412 if (stcb) { 4413 /* set the active key on the assoc */ 4414 if (sctp_auth_setactivekey(stcb, 4415 scact->scact_keynumber)) { 4416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4417 SCTP_FROM_SCTP_USRREQ, 4418 EINVAL); 4419 error = EINVAL; 4420 } 4421 SCTP_TCB_UNLOCK(stcb); 4422 } else { 4423 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4424 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4425 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4426 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4427 SCTP_INP_WLOCK(inp); 4428 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4430 error = EINVAL; 4431 } 4432 SCTP_INP_WUNLOCK(inp); 4433 } 4434 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4435 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4436 SCTP_INP_RLOCK(inp); 4437 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4438 SCTP_TCB_LOCK(stcb); 4439 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4440 SCTP_TCB_UNLOCK(stcb); 4441 } 4442 SCTP_INP_RUNLOCK(inp); 4443 } 4444 } 4445 break; 4446 } 4447 case SCTP_AUTH_DELETE_KEY: 4448 { 4449 struct sctp_authkeyid *scdel; 4450 4451 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4452 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4453 4454 /* delete the key from the right place */ 4455 if (stcb) { 4456 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4458 error = EINVAL; 4459 } 4460 SCTP_TCB_UNLOCK(stcb); 4461 } else { 4462 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4463 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4464 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4465 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4466 SCTP_INP_WLOCK(inp); 4467 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4469 error = EINVAL; 4470 } 4471 SCTP_INP_WUNLOCK(inp); 4472 } 4473 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4474 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4475 SCTP_INP_RLOCK(inp); 4476 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4477 SCTP_TCB_LOCK(stcb); 4478 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4479 SCTP_TCB_UNLOCK(stcb); 4480 } 4481 SCTP_INP_RUNLOCK(inp); 4482 } 4483 } 4484 break; 4485 } 4486 case SCTP_AUTH_DEACTIVATE_KEY: 4487 { 4488 struct sctp_authkeyid *keyid; 4489 4490 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4491 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4492 4493 /* deactivate the key from the right place */ 4494 if (stcb) { 4495 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4497 error = EINVAL; 4498 } 4499 SCTP_TCB_UNLOCK(stcb); 4500 } else { 4501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4503 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4504 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4505 SCTP_INP_WLOCK(inp); 4506 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4508 error = EINVAL; 4509 } 4510 SCTP_INP_WUNLOCK(inp); 4511 } 4512 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4513 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4514 SCTP_INP_RLOCK(inp); 4515 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4516 SCTP_TCB_LOCK(stcb); 4517 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4518 SCTP_TCB_UNLOCK(stcb); 4519 } 4520 SCTP_INP_RUNLOCK(inp); 4521 } 4522 } 4523 break; 4524 } 4525 case SCTP_ENABLE_STREAM_RESET: 4526 { 4527 struct sctp_assoc_value *av; 4528 4529 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4530 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4532 error = EINVAL; 4533 break; 4534 } 4535 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4536 if (stcb) { 4537 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4538 SCTP_TCB_UNLOCK(stcb); 4539 } else { 4540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4542 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4543 (av->assoc_id == SCTP_ALL_ASSOC)) { 4544 SCTP_INP_WLOCK(inp); 4545 inp->local_strreset_support = (uint8_t) av->assoc_value; 4546 SCTP_INP_WUNLOCK(inp); 4547 } 4548 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4549 (av->assoc_id == SCTP_ALL_ASSOC)) { 4550 SCTP_INP_RLOCK(inp); 4551 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4552 SCTP_TCB_LOCK(stcb); 4553 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4554 SCTP_TCB_UNLOCK(stcb); 4555 } 4556 SCTP_INP_RUNLOCK(inp); 4557 } 4558 } 4559 break; 4560 } 4561 case SCTP_RESET_STREAMS: 4562 { 4563 struct sctp_reset_streams *strrst; 4564 int i, send_out = 0; 4565 int send_in = 0; 4566 4567 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4568 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4569 if (stcb == NULL) { 4570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4571 error = ENOENT; 4572 break; 4573 } 4574 if (stcb->asoc.reconfig_supported == 0) { 4575 /* 4576 * Peer does not support the chunk type. 4577 */ 4578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4579 error = EOPNOTSUPP; 4580 SCTP_TCB_UNLOCK(stcb); 4581 break; 4582 } 4583 if (sizeof(struct sctp_reset_streams) + 4584 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4585 error = EINVAL; 4586 SCTP_TCB_UNLOCK(stcb); 4587 break; 4588 } 4589 if (stcb->asoc.stream_reset_outstanding) { 4590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4591 error = EALREADY; 4592 SCTP_TCB_UNLOCK(stcb); 4593 break; 4594 } 4595 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4596 send_in = 1; 4597 } 4598 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4599 send_out = 1; 4600 } 4601 if ((send_in == 0) && (send_out == 0)) { 4602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4603 error = EINVAL; 4604 SCTP_TCB_UNLOCK(stcb); 4605 break; 4606 } 4607 for (i = 0; i < strrst->srs_number_streams; i++) { 4608 if ((send_in) && 4609 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4611 error = EINVAL; 4612 break; 4613 } 4614 if ((send_out) && 4615 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4617 error = EINVAL; 4618 break; 4619 } 4620 } 4621 if (error) { 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4626 strrst->srs_stream_list, 4627 send_out, send_in, 0, 0, 0, 0, 0); 4628 4629 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4630 SCTP_TCB_UNLOCK(stcb); 4631 break; 4632 } 4633 case SCTP_ADD_STREAMS: 4634 { 4635 struct sctp_add_streams *stradd; 4636 uint8_t addstream = 0; 4637 uint16_t add_o_strmcnt = 0; 4638 uint16_t add_i_strmcnt = 0; 4639 4640 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4641 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4642 if (stcb == NULL) { 4643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4644 error = ENOENT; 4645 break; 4646 } 4647 if (stcb->asoc.reconfig_supported == 0) { 4648 /* 4649 * Peer does not support the chunk type. 4650 */ 4651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4652 error = EOPNOTSUPP; 4653 SCTP_TCB_UNLOCK(stcb); 4654 break; 4655 } 4656 if (stcb->asoc.stream_reset_outstanding) { 4657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4658 error = EALREADY; 4659 SCTP_TCB_UNLOCK(stcb); 4660 break; 4661 } 4662 if ((stradd->sas_outstrms == 0) && 4663 (stradd->sas_instrms == 0)) { 4664 error = EINVAL; 4665 goto skip_stuff; 4666 } 4667 if (stradd->sas_outstrms) { 4668 addstream = 1; 4669 /* We allocate here */ 4670 add_o_strmcnt = stradd->sas_outstrms; 4671 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4672 /* You can't have more than 64k */ 4673 error = EINVAL; 4674 goto skip_stuff; 4675 } 4676 } 4677 if (stradd->sas_instrms) { 4678 int cnt; 4679 4680 addstream |= 2; 4681 /* 4682 * We allocate inside 4683 * sctp_send_str_reset_req() 4684 */ 4685 add_i_strmcnt = stradd->sas_instrms; 4686 cnt = add_i_strmcnt; 4687 cnt += stcb->asoc.streamincnt; 4688 if (cnt > 0x0000ffff) { 4689 /* You can't have more than 64k */ 4690 error = EINVAL; 4691 goto skip_stuff; 4692 } 4693 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4694 /* More than you are allowed */ 4695 error = EINVAL; 4696 goto skip_stuff; 4697 } 4698 } 4699 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4700 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4701 skip_stuff: 4702 SCTP_TCB_UNLOCK(stcb); 4703 break; 4704 } 4705 case SCTP_RESET_ASSOC: 4706 { 4707 uint32_t *value; 4708 4709 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4710 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4711 if (stcb == NULL) { 4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4713 error = ENOENT; 4714 break; 4715 } 4716 if (stcb->asoc.reconfig_supported == 0) { 4717 /* 4718 * Peer does not support the chunk type. 4719 */ 4720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4721 error = EOPNOTSUPP; 4722 SCTP_TCB_UNLOCK(stcb); 4723 break; 4724 } 4725 if (stcb->asoc.stream_reset_outstanding) { 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4727 error = EALREADY; 4728 SCTP_TCB_UNLOCK(stcb); 4729 break; 4730 } 4731 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4732 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4733 SCTP_TCB_UNLOCK(stcb); 4734 break; 4735 } 4736 case SCTP_CONNECT_X: 4737 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4739 error = EINVAL; 4740 break; 4741 } 4742 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4743 break; 4744 case SCTP_CONNECT_X_DELAYED: 4745 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4747 error = EINVAL; 4748 break; 4749 } 4750 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4751 break; 4752 case SCTP_CONNECT_X_COMPLETE: 4753 { 4754 struct sockaddr *sa; 4755 4756 /* FIXME MT: check correct? */ 4757 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4758 4759 /* find tcb */ 4760 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4761 SCTP_INP_RLOCK(inp); 4762 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4763 if (stcb) { 4764 SCTP_TCB_LOCK(stcb); 4765 } 4766 SCTP_INP_RUNLOCK(inp); 4767 } else { 4768 /* 4769 * We increment here since 4770 * sctp_findassociation_ep_addr() wil do a 4771 * decrement if it finds the stcb as long as 4772 * the locked tcb (last argument) is NOT a 4773 * TCB.. aka NULL. 4774 */ 4775 SCTP_INP_INCR_REF(inp); 4776 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4777 if (stcb == NULL) { 4778 SCTP_INP_DECR_REF(inp); 4779 } 4780 } 4781 4782 if (stcb == NULL) { 4783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4784 error = ENOENT; 4785 break; 4786 } 4787 if (stcb->asoc.delayed_connection == 1) { 4788 stcb->asoc.delayed_connection = 0; 4789 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4790 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4791 stcb->asoc.primary_destination, 4792 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4793 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4794 } else { 4795 /* 4796 * already expired or did not use delayed 4797 * connectx 4798 */ 4799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4800 error = EALREADY; 4801 } 4802 SCTP_TCB_UNLOCK(stcb); 4803 break; 4804 } 4805 case SCTP_MAX_BURST: 4806 { 4807 struct sctp_assoc_value *av; 4808 4809 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4810 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4811 4812 if (stcb) { 4813 stcb->asoc.max_burst = av->assoc_value; 4814 SCTP_TCB_UNLOCK(stcb); 4815 } else { 4816 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4817 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4818 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4819 (av->assoc_id == SCTP_ALL_ASSOC)) { 4820 SCTP_INP_WLOCK(inp); 4821 inp->sctp_ep.max_burst = av->assoc_value; 4822 SCTP_INP_WUNLOCK(inp); 4823 } 4824 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4825 (av->assoc_id == SCTP_ALL_ASSOC)) { 4826 SCTP_INP_RLOCK(inp); 4827 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4828 SCTP_TCB_LOCK(stcb); 4829 stcb->asoc.max_burst = av->assoc_value; 4830 SCTP_TCB_UNLOCK(stcb); 4831 } 4832 SCTP_INP_RUNLOCK(inp); 4833 } 4834 } 4835 break; 4836 } 4837 case SCTP_MAXSEG: 4838 { 4839 struct sctp_assoc_value *av; 4840 int ovh; 4841 4842 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4843 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4844 4845 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4846 ovh = SCTP_MED_OVERHEAD; 4847 } else { 4848 ovh = SCTP_MED_V4_OVERHEAD; 4849 } 4850 if (stcb) { 4851 if (av->assoc_value) { 4852 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4853 } else { 4854 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4855 } 4856 SCTP_TCB_UNLOCK(stcb); 4857 } else { 4858 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4859 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4860 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4861 SCTP_INP_WLOCK(inp); 4862 /* 4863 * FIXME MT: I think this is not in 4864 * tune with the API ID 4865 */ 4866 if (av->assoc_value) { 4867 inp->sctp_frag_point = (av->assoc_value + ovh); 4868 } else { 4869 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4870 } 4871 SCTP_INP_WUNLOCK(inp); 4872 } else { 4873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4874 error = EINVAL; 4875 } 4876 } 4877 break; 4878 } 4879 case SCTP_EVENTS: 4880 { 4881 struct sctp_event_subscribe *events; 4882 4883 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4884 4885 SCTP_INP_WLOCK(inp); 4886 if (events->sctp_data_io_event) { 4887 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4888 } else { 4889 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4890 } 4891 4892 if (events->sctp_association_event) { 4893 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4894 } else { 4895 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4896 } 4897 4898 if (events->sctp_address_event) { 4899 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4900 } else { 4901 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4902 } 4903 4904 if (events->sctp_send_failure_event) { 4905 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4906 } else { 4907 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4908 } 4909 4910 if (events->sctp_peer_error_event) { 4911 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4912 } else { 4913 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4914 } 4915 4916 if (events->sctp_shutdown_event) { 4917 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4918 } else { 4919 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4920 } 4921 4922 if (events->sctp_partial_delivery_event) { 4923 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4924 } else { 4925 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4926 } 4927 4928 if (events->sctp_adaptation_layer_event) { 4929 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4930 } else { 4931 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4932 } 4933 4934 if (events->sctp_authentication_event) { 4935 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4936 } else { 4937 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4938 } 4939 4940 if (events->sctp_sender_dry_event) { 4941 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4942 } else { 4943 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4944 } 4945 4946 if (events->sctp_stream_reset_event) { 4947 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4948 } else { 4949 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4950 } 4951 SCTP_INP_WUNLOCK(inp); 4952 4953 SCTP_INP_RLOCK(inp); 4954 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4955 SCTP_TCB_LOCK(stcb); 4956 if (events->sctp_association_event) { 4957 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4958 } else { 4959 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4960 } 4961 if (events->sctp_address_event) { 4962 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4963 } else { 4964 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4965 } 4966 if (events->sctp_send_failure_event) { 4967 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4968 } else { 4969 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4970 } 4971 if (events->sctp_peer_error_event) { 4972 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4973 } else { 4974 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4975 } 4976 if (events->sctp_shutdown_event) { 4977 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4978 } else { 4979 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4980 } 4981 if (events->sctp_partial_delivery_event) { 4982 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4983 } else { 4984 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4985 } 4986 if (events->sctp_adaptation_layer_event) { 4987 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4988 } else { 4989 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4990 } 4991 if (events->sctp_authentication_event) { 4992 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4993 } else { 4994 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4995 } 4996 if (events->sctp_sender_dry_event) { 4997 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4998 } else { 4999 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5000 } 5001 if (events->sctp_stream_reset_event) { 5002 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5003 } else { 5004 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5005 } 5006 SCTP_TCB_UNLOCK(stcb); 5007 } 5008 /* 5009 * Send up the sender dry event only for 1-to-1 5010 * style sockets. 5011 */ 5012 if (events->sctp_sender_dry_event) { 5013 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5014 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5015 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5016 if (stcb) { 5017 SCTP_TCB_LOCK(stcb); 5018 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5019 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5020 (stcb->asoc.stream_queue_cnt == 0)) { 5021 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5022 } 5023 SCTP_TCB_UNLOCK(stcb); 5024 } 5025 } 5026 } 5027 SCTP_INP_RUNLOCK(inp); 5028 break; 5029 } 5030 case SCTP_ADAPTATION_LAYER: 5031 { 5032 struct sctp_setadaptation *adap_bits; 5033 5034 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5035 SCTP_INP_WLOCK(inp); 5036 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5037 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5038 SCTP_INP_WUNLOCK(inp); 5039 break; 5040 } 5041#ifdef SCTP_DEBUG 5042 case SCTP_SET_INITIAL_DBG_SEQ: 5043 { 5044 uint32_t *vvv; 5045 5046 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5047 SCTP_INP_WLOCK(inp); 5048 inp->sctp_ep.initial_sequence_debug = *vvv; 5049 SCTP_INP_WUNLOCK(inp); 5050 break; 5051 } 5052#endif 5053 case SCTP_DEFAULT_SEND_PARAM: 5054 { 5055 struct sctp_sndrcvinfo *s_info; 5056 5057 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5058 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5059 5060 if (stcb) { 5061 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5062 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5063 } else { 5064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5065 error = EINVAL; 5066 } 5067 SCTP_TCB_UNLOCK(stcb); 5068 } else { 5069 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5070 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5071 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5072 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5073 SCTP_INP_WLOCK(inp); 5074 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5075 SCTP_INP_WUNLOCK(inp); 5076 } 5077 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5078 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5079 SCTP_INP_RLOCK(inp); 5080 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5081 SCTP_TCB_LOCK(stcb); 5082 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5083 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5084 } 5085 SCTP_TCB_UNLOCK(stcb); 5086 } 5087 SCTP_INP_RUNLOCK(inp); 5088 } 5089 } 5090 break; 5091 } 5092 case SCTP_PEER_ADDR_PARAMS: 5093 { 5094 struct sctp_paddrparams *paddrp; 5095 struct sctp_nets *net; 5096 struct sockaddr *addr; 5097 5098#if defined(INET) && defined(INET6) 5099 struct sockaddr_in sin_store; 5100 5101#endif 5102 5103 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5104 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5105 5106#if defined(INET) && defined(INET6) 5107 if (paddrp->spp_address.ss_family == AF_INET6) { 5108 struct sockaddr_in6 *sin6; 5109 5110 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5111 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5112 in6_sin6_2_sin(&sin_store, sin6); 5113 addr = (struct sockaddr *)&sin_store; 5114 } else { 5115 addr = (struct sockaddr *)&paddrp->spp_address; 5116 } 5117 } else { 5118 addr = (struct sockaddr *)&paddrp->spp_address; 5119 } 5120#else 5121 addr = (struct sockaddr *)&paddrp->spp_address; 5122#endif 5123 if (stcb != NULL) { 5124 net = sctp_findnet(stcb, addr); 5125 } else { 5126 /* 5127 * We increment here since 5128 * sctp_findassociation_ep_addr() wil do a 5129 * decrement if it finds the stcb as long as 5130 * the locked tcb (last argument) is NOT a 5131 * TCB.. aka NULL. 5132 */ 5133 net = NULL; 5134 SCTP_INP_INCR_REF(inp); 5135 stcb = sctp_findassociation_ep_addr(&inp, addr, 5136 &net, NULL, NULL); 5137 if (stcb == NULL) { 5138 SCTP_INP_DECR_REF(inp); 5139 } 5140 } 5141 if ((stcb != NULL) && (net == NULL)) { 5142#ifdef INET 5143 if (addr->sa_family == AF_INET) { 5144 5145 struct sockaddr_in *sin; 5146 5147 sin = (struct sockaddr_in *)addr; 5148 if (sin->sin_addr.s_addr != INADDR_ANY) { 5149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5150 SCTP_TCB_UNLOCK(stcb); 5151 error = EINVAL; 5152 break; 5153 } 5154 } else 5155#endif 5156#ifdef INET6 5157 if (addr->sa_family == AF_INET6) { 5158 struct sockaddr_in6 *sin6; 5159 5160 sin6 = (struct sockaddr_in6 *)addr; 5161 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5163 SCTP_TCB_UNLOCK(stcb); 5164 error = EINVAL; 5165 break; 5166 } 5167 } else 5168#endif 5169 { 5170 error = EAFNOSUPPORT; 5171 SCTP_TCB_UNLOCK(stcb); 5172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5173 break; 5174 } 5175 } 5176 /* sanity checks */ 5177 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5178 if (stcb) 5179 SCTP_TCB_UNLOCK(stcb); 5180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5181 return (EINVAL); 5182 } 5183 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5184 if (stcb) 5185 SCTP_TCB_UNLOCK(stcb); 5186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5187 return (EINVAL); 5188 } 5189 if (stcb != NULL) { 5190 /************************TCB SPECIFIC SET ******************/ 5191 /* 5192 * do we change the timer for HB, we run 5193 * only one? 5194 */ 5195 int ovh = 0; 5196 5197 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5198 ovh = SCTP_MED_OVERHEAD; 5199 } else { 5200 ovh = SCTP_MED_V4_OVERHEAD; 5201 } 5202 5203 /* network sets ? */ 5204 if (net != NULL) { 5205 /************************NET SPECIFIC SET ******************/ 5206 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5207 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5208 !(net->dest_state & SCTP_ADDR_NOHB)) { 5209 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5210 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5211 } 5212 net->dest_state |= SCTP_ADDR_NOHB; 5213 } 5214 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5215 if (paddrp->spp_hbinterval) { 5216 net->heart_beat_delay = paddrp->spp_hbinterval; 5217 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5218 net->heart_beat_delay = 0; 5219 } 5220 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5221 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5222 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5223 net->dest_state &= ~SCTP_ADDR_NOHB; 5224 } 5225 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5226 /* on demand HB */ 5227 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5228 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5229 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5230 } 5231 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5232 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5233 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5234 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5235 } 5236 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5237 net->mtu = paddrp->spp_pathmtu + ovh; 5238 if (net->mtu < stcb->asoc.smallest_mtu) { 5239 sctp_pathmtu_adjustment(stcb, net->mtu); 5240 } 5241 } 5242 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5243 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5244 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5245 } 5246 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5247 } 5248 if (paddrp->spp_pathmaxrxt) { 5249 if (net->dest_state & SCTP_ADDR_PF) { 5250 if (net->error_count > paddrp->spp_pathmaxrxt) { 5251 net->dest_state &= ~SCTP_ADDR_PF; 5252 } 5253 } else { 5254 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5255 (net->error_count > net->pf_threshold)) { 5256 net->dest_state |= SCTP_ADDR_PF; 5257 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5258 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5259 stcb->sctp_ep, stcb, net, 5260 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5261 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5262 } 5263 } 5264 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5265 if (net->error_count > paddrp->spp_pathmaxrxt) { 5266 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5267 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5268 } 5269 } else { 5270 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5271 net->dest_state |= SCTP_ADDR_REACHABLE; 5272 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5273 } 5274 } 5275 net->failure_threshold = paddrp->spp_pathmaxrxt; 5276 } 5277 if (paddrp->spp_flags & SPP_DSCP) { 5278 net->dscp = paddrp->spp_dscp & 0xfc; 5279 net->dscp |= 0x01; 5280 } 5281#ifdef INET6 5282 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5283 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5284 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5285 net->flowlabel |= 0x80000000; 5286 } 5287 } 5288#endif 5289 } else { 5290 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5291 if (paddrp->spp_pathmaxrxt != 0) { 5292 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5293 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5294 if (net->dest_state & SCTP_ADDR_PF) { 5295 if (net->error_count > paddrp->spp_pathmaxrxt) { 5296 net->dest_state &= ~SCTP_ADDR_PF; 5297 } 5298 } else { 5299 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5300 (net->error_count > net->pf_threshold)) { 5301 net->dest_state |= SCTP_ADDR_PF; 5302 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5303 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5304 stcb->sctp_ep, stcb, net, 5305 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5306 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5307 } 5308 } 5309 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5310 if (net->error_count > paddrp->spp_pathmaxrxt) { 5311 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5312 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5313 } 5314 } else { 5315 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5316 net->dest_state |= SCTP_ADDR_REACHABLE; 5317 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5318 } 5319 } 5320 net->failure_threshold = paddrp->spp_pathmaxrxt; 5321 } 5322 } 5323 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5324 if (paddrp->spp_hbinterval != 0) { 5325 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5326 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5327 stcb->asoc.heart_beat_delay = 0; 5328 } 5329 /* Turn back on the timer */ 5330 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5331 if (paddrp->spp_hbinterval != 0) { 5332 net->heart_beat_delay = paddrp->spp_hbinterval; 5333 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5334 net->heart_beat_delay = 0; 5335 } 5336 if (net->dest_state & SCTP_ADDR_NOHB) { 5337 net->dest_state &= ~SCTP_ADDR_NOHB; 5338 } 5339 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5340 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5341 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5342 } 5343 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5344 } 5345 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5346 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5347 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5348 net->dest_state |= SCTP_ADDR_NOHB; 5349 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5350 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5351 inp, stcb, net, 5352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5353 } 5354 } 5355 } 5356 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5357 } 5358 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5359 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5360 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5361 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5362 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5363 } 5364 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5365 net->mtu = paddrp->spp_pathmtu + ovh; 5366 if (net->mtu < stcb->asoc.smallest_mtu) { 5367 sctp_pathmtu_adjustment(stcb, net->mtu); 5368 } 5369 } 5370 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5371 } 5372 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5373 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5374 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5375 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5376 } 5377 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5378 } 5379 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5380 } 5381 if (paddrp->spp_flags & SPP_DSCP) { 5382 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5383 net->dscp = paddrp->spp_dscp & 0xfc; 5384 net->dscp |= 0x01; 5385 } 5386 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5387 stcb->asoc.default_dscp |= 0x01; 5388 } 5389#ifdef INET6 5390 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5391 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5392 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5393 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5394 net->flowlabel |= 0x80000000; 5395 } 5396 } 5397 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5398 stcb->asoc.default_flowlabel |= 0x80000000; 5399 } 5400#endif 5401 } 5402 SCTP_TCB_UNLOCK(stcb); 5403 } else { 5404 /************************NO TCB, SET TO default stuff ******************/ 5405 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5406 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5407 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5408 SCTP_INP_WLOCK(inp); 5409 /* 5410 * For the TOS/FLOWLABEL stuff you 5411 * set it with the options on the 5412 * socket 5413 */ 5414 if (paddrp->spp_pathmaxrxt != 0) { 5415 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5416 } 5417 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5418 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5419 else if (paddrp->spp_hbinterval != 0) { 5420 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5421 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5422 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5423 } 5424 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5425 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5426 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5427 } else if (paddrp->spp_hbinterval) { 5428 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5429 } 5430 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5431 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5432 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5433 } 5434 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5435 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5436 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5437 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5438 } 5439 if (paddrp->spp_flags & SPP_DSCP) { 5440 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5441 inp->sctp_ep.default_dscp |= 0x01; 5442 } 5443#ifdef INET6 5444 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5445 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5446 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5447 inp->sctp_ep.default_flowlabel |= 0x80000000; 5448 } 5449 } 5450#endif 5451 SCTP_INP_WUNLOCK(inp); 5452 } else { 5453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5454 error = EINVAL; 5455 } 5456 } 5457 break; 5458 } 5459 case SCTP_RTOINFO: 5460 { 5461 struct sctp_rtoinfo *srto; 5462 uint32_t new_init, new_min, new_max; 5463 5464 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5465 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5466 5467 if (stcb) { 5468 if (srto->srto_initial) 5469 new_init = srto->srto_initial; 5470 else 5471 new_init = stcb->asoc.initial_rto; 5472 if (srto->srto_max) 5473 new_max = srto->srto_max; 5474 else 5475 new_max = stcb->asoc.maxrto; 5476 if (srto->srto_min) 5477 new_min = srto->srto_min; 5478 else 5479 new_min = stcb->asoc.minrto; 5480 if ((new_min <= new_init) && (new_init <= new_max)) { 5481 stcb->asoc.initial_rto = new_init; 5482 stcb->asoc.maxrto = new_max; 5483 stcb->asoc.minrto = new_min; 5484 } else { 5485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5486 error = EINVAL; 5487 } 5488 SCTP_TCB_UNLOCK(stcb); 5489 } else { 5490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5492 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5493 SCTP_INP_WLOCK(inp); 5494 if (srto->srto_initial) 5495 new_init = srto->srto_initial; 5496 else 5497 new_init = inp->sctp_ep.initial_rto; 5498 if (srto->srto_max) 5499 new_max = srto->srto_max; 5500 else 5501 new_max = inp->sctp_ep.sctp_maxrto; 5502 if (srto->srto_min) 5503 new_min = srto->srto_min; 5504 else 5505 new_min = inp->sctp_ep.sctp_minrto; 5506 if ((new_min <= new_init) && (new_init <= new_max)) { 5507 inp->sctp_ep.initial_rto = new_init; 5508 inp->sctp_ep.sctp_maxrto = new_max; 5509 inp->sctp_ep.sctp_minrto = new_min; 5510 } else { 5511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5512 error = EINVAL; 5513 } 5514 SCTP_INP_WUNLOCK(inp); 5515 } else { 5516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5517 error = EINVAL; 5518 } 5519 } 5520 break; 5521 } 5522 case SCTP_ASSOCINFO: 5523 { 5524 struct sctp_assocparams *sasoc; 5525 5526 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5527 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5528 if (sasoc->sasoc_cookie_life) { 5529 /* boundary check the cookie life */ 5530 if (sasoc->sasoc_cookie_life < 1000) 5531 sasoc->sasoc_cookie_life = 1000; 5532 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5533 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5534 } 5535 } 5536 if (stcb) { 5537 if (sasoc->sasoc_asocmaxrxt) 5538 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5539 if (sasoc->sasoc_cookie_life) { 5540 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5541 } 5542 SCTP_TCB_UNLOCK(stcb); 5543 } else { 5544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5546 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5547 SCTP_INP_WLOCK(inp); 5548 if (sasoc->sasoc_asocmaxrxt) 5549 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5550 if (sasoc->sasoc_cookie_life) { 5551 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5552 } 5553 SCTP_INP_WUNLOCK(inp); 5554 } else { 5555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5556 error = EINVAL; 5557 } 5558 } 5559 break; 5560 } 5561 case SCTP_INITMSG: 5562 { 5563 struct sctp_initmsg *sinit; 5564 5565 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5566 SCTP_INP_WLOCK(inp); 5567 if (sinit->sinit_num_ostreams) 5568 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5569 5570 if (sinit->sinit_max_instreams) 5571 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5572 5573 if (sinit->sinit_max_attempts) 5574 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5575 5576 if (sinit->sinit_max_init_timeo) 5577 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5578 SCTP_INP_WUNLOCK(inp); 5579 break; 5580 } 5581 case SCTP_PRIMARY_ADDR: 5582 { 5583 struct sctp_setprim *spa; 5584 struct sctp_nets *net; 5585 struct sockaddr *addr; 5586 5587#if defined(INET) && defined(INET6) 5588 struct sockaddr_in sin_store; 5589 5590#endif 5591 5592 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5593 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5594 5595#if defined(INET) && defined(INET6) 5596 if (spa->ssp_addr.ss_family == AF_INET6) { 5597 struct sockaddr_in6 *sin6; 5598 5599 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5600 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5601 in6_sin6_2_sin(&sin_store, sin6); 5602 addr = (struct sockaddr *)&sin_store; 5603 } else { 5604 addr = (struct sockaddr *)&spa->ssp_addr; 5605 } 5606 } else { 5607 addr = (struct sockaddr *)&spa->ssp_addr; 5608 } 5609#else 5610 addr = (struct sockaddr *)&spa->ssp_addr; 5611#endif 5612 if (stcb != NULL) { 5613 net = sctp_findnet(stcb, addr); 5614 } else { 5615 /* 5616 * We increment here since 5617 * sctp_findassociation_ep_addr() wil do a 5618 * decrement if it finds the stcb as long as 5619 * the locked tcb (last argument) is NOT a 5620 * TCB.. aka NULL. 5621 */ 5622 net = NULL; 5623 SCTP_INP_INCR_REF(inp); 5624 stcb = sctp_findassociation_ep_addr(&inp, addr, 5625 &net, NULL, NULL); 5626 if (stcb == NULL) { 5627 SCTP_INP_DECR_REF(inp); 5628 } 5629 } 5630 5631 if ((stcb != NULL) && (net != NULL)) { 5632 if ((net != stcb->asoc.primary_destination) && 5633 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5634 /* Ok we need to set it */ 5635 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5636 if ((stcb->asoc.alternate) && 5637 (!(net->dest_state & SCTP_ADDR_PF)) && 5638 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5639 sctp_free_remote_addr(stcb->asoc.alternate); 5640 stcb->asoc.alternate = NULL; 5641 } 5642 } 5643 } 5644 } else { 5645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5646 error = EINVAL; 5647 } 5648 if (stcb != NULL) { 5649 SCTP_TCB_UNLOCK(stcb); 5650 } 5651 break; 5652 } 5653 case SCTP_SET_DYNAMIC_PRIMARY: 5654 { 5655 union sctp_sockstore *ss; 5656 5657 error = priv_check(curthread, 5658 PRIV_NETINET_RESERVEDPORT); 5659 if (error) 5660 break; 5661 5662 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5663 /* SUPER USER CHECK? */ 5664 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5665 break; 5666 } 5667 case SCTP_SET_PEER_PRIMARY_ADDR: 5668 { 5669 struct sctp_setpeerprim *sspp; 5670 struct sockaddr *addr; 5671 5672#if defined(INET) && defined(INET6) 5673 struct sockaddr_in sin_store; 5674 5675#endif 5676 5677 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5678 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5679 if (stcb != NULL) { 5680 struct sctp_ifa *ifa; 5681 5682#if defined(INET) && defined(INET6) 5683 if (sspp->sspp_addr.ss_family == AF_INET6) { 5684 struct sockaddr_in6 *sin6; 5685 5686 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5687 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5688 in6_sin6_2_sin(&sin_store, sin6); 5689 addr = (struct sockaddr *)&sin_store; 5690 } else { 5691 addr = (struct sockaddr *)&sspp->sspp_addr; 5692 } 5693 } else { 5694 addr = (struct sockaddr *)&sspp->sspp_addr; 5695 } 5696#else 5697 addr = (struct sockaddr *)&sspp->sspp_addr; 5698#endif 5699 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5700 if (ifa == NULL) { 5701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5702 error = EINVAL; 5703 goto out_of_it; 5704 } 5705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5706 /* 5707 * Must validate the ifa found is in 5708 * our ep 5709 */ 5710 struct sctp_laddr *laddr; 5711 int found = 0; 5712 5713 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5714 if (laddr->ifa == NULL) { 5715 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5716 __FUNCTION__); 5717 continue; 5718 } 5719 if (laddr->ifa == ifa) { 5720 found = 1; 5721 break; 5722 } 5723 } 5724 if (!found) { 5725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5726 error = EINVAL; 5727 goto out_of_it; 5728 } 5729 } else { 5730 switch (addr->sa_family) { 5731#ifdef INET 5732 case AF_INET: 5733 { 5734 struct sockaddr_in *sin; 5735 5736 sin = (struct sockaddr_in *)addr; 5737 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5738 &sin->sin_addr) != 0) { 5739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5740 error = EINVAL; 5741 goto out_of_it; 5742 } 5743 break; 5744 } 5745#endif 5746#ifdef INET6 5747 case AF_INET6: 5748 { 5749 struct sockaddr_in6 *sin6; 5750 5751 sin6 = (struct sockaddr_in6 *)addr; 5752 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5753 &sin6->sin6_addr) != 0) { 5754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5755 error = EINVAL; 5756 goto out_of_it; 5757 } 5758 break; 5759 } 5760#endif 5761 default: 5762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5763 error = EINVAL; 5764 goto out_of_it; 5765 } 5766 } 5767 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5769 error = EINVAL; 5770 } 5771 out_of_it: 5772 SCTP_TCB_UNLOCK(stcb); 5773 } else { 5774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5775 error = EINVAL; 5776 } 5777 break; 5778 } 5779 case SCTP_BINDX_ADD_ADDR: 5780 { 5781 struct sctp_getaddresses *addrs; 5782 struct thread *td; 5783 5784 td = (struct thread *)p; 5785 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5786 optsize); 5787#ifdef INET 5788 if (addrs->addr->sa_family == AF_INET) { 5789 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5791 error = EINVAL; 5792 break; 5793 } 5794 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5795 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5796 break; 5797 } 5798 } else 5799#endif 5800#ifdef INET6 5801 if (addrs->addr->sa_family == AF_INET6) { 5802 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5804 error = EINVAL; 5805 break; 5806 } 5807 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5808 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5809 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5810 break; 5811 } 5812 } else 5813#endif 5814 { 5815 error = EAFNOSUPPORT; 5816 break; 5817 } 5818 sctp_bindx_add_address(so, inp, addrs->addr, 5819 addrs->sget_assoc_id, vrf_id, 5820 &error, p); 5821 break; 5822 } 5823 case SCTP_BINDX_REM_ADDR: 5824 { 5825 struct sctp_getaddresses *addrs; 5826 struct thread *td; 5827 5828 td = (struct thread *)p; 5829 5830 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5831#ifdef INET 5832 if (addrs->addr->sa_family == AF_INET) { 5833 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5835 error = EINVAL; 5836 break; 5837 } 5838 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5839 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5840 break; 5841 } 5842 } else 5843#endif 5844#ifdef INET6 5845 if (addrs->addr->sa_family == AF_INET6) { 5846 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5848 error = EINVAL; 5849 break; 5850 } 5851 if (td != NULL && 5852 (error = prison_local_ip6(td->td_ucred, 5853 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5854 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5855 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5856 break; 5857 } 5858 } else 5859#endif 5860 { 5861 error = EAFNOSUPPORT; 5862 break; 5863 } 5864 sctp_bindx_delete_address(inp, addrs->addr, 5865 addrs->sget_assoc_id, vrf_id, 5866 &error); 5867 break; 5868 } 5869 case SCTP_EVENT: 5870 { 5871 struct sctp_event *event; 5872 uint32_t event_type; 5873 5874 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5875 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5876 switch (event->se_type) { 5877 case SCTP_ASSOC_CHANGE: 5878 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5879 break; 5880 case SCTP_PEER_ADDR_CHANGE: 5881 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5882 break; 5883 case SCTP_REMOTE_ERROR: 5884 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5885 break; 5886 case SCTP_SEND_FAILED: 5887 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5888 break; 5889 case SCTP_SHUTDOWN_EVENT: 5890 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5891 break; 5892 case SCTP_ADAPTATION_INDICATION: 5893 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5894 break; 5895 case SCTP_PARTIAL_DELIVERY_EVENT: 5896 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5897 break; 5898 case SCTP_AUTHENTICATION_EVENT: 5899 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5900 break; 5901 case SCTP_STREAM_RESET_EVENT: 5902 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5903 break; 5904 case SCTP_SENDER_DRY_EVENT: 5905 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5906 break; 5907 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5908 event_type = 0; 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5910 error = ENOTSUP; 5911 break; 5912 case SCTP_ASSOC_RESET_EVENT: 5913 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5914 break; 5915 case SCTP_STREAM_CHANGE_EVENT: 5916 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5917 break; 5918 case SCTP_SEND_FAILED_EVENT: 5919 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5920 break; 5921 default: 5922 event_type = 0; 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 break; 5926 } 5927 if (event_type > 0) { 5928 if (stcb) { 5929 if (event->se_on) { 5930 sctp_stcb_feature_on(inp, stcb, event_type); 5931 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5932 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5933 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5934 (stcb->asoc.stream_queue_cnt == 0)) { 5935 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5936 } 5937 } 5938 } else { 5939 sctp_stcb_feature_off(inp, stcb, event_type); 5940 } 5941 SCTP_TCB_UNLOCK(stcb); 5942 } else { 5943 /* 5944 * We don't want to send up a storm 5945 * of events, so return an error for 5946 * sender dry events 5947 */ 5948 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5949 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5950 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5951 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5952 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5954 error = ENOTSUP; 5955 break; 5956 } 5957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5958 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5959 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5960 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5961 SCTP_INP_WLOCK(inp); 5962 if (event->se_on) { 5963 sctp_feature_on(inp, event_type); 5964 } else { 5965 sctp_feature_off(inp, event_type); 5966 } 5967 SCTP_INP_WUNLOCK(inp); 5968 } 5969 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5970 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5971 SCTP_INP_RLOCK(inp); 5972 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5973 SCTP_TCB_LOCK(stcb); 5974 if (event->se_on) { 5975 sctp_stcb_feature_on(inp, stcb, event_type); 5976 } else { 5977 sctp_stcb_feature_off(inp, stcb, event_type); 5978 } 5979 SCTP_TCB_UNLOCK(stcb); 5980 } 5981 SCTP_INP_RUNLOCK(inp); 5982 } 5983 } 5984 } 5985 break; 5986 } 5987 case SCTP_RECVRCVINFO: 5988 { 5989 int *onoff; 5990 5991 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5992 SCTP_INP_WLOCK(inp); 5993 if (*onoff != 0) { 5994 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5995 } else { 5996 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5997 } 5998 SCTP_INP_WUNLOCK(inp); 5999 break; 6000 } 6001 case SCTP_RECVNXTINFO: 6002 { 6003 int *onoff; 6004 6005 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6006 SCTP_INP_WLOCK(inp); 6007 if (*onoff != 0) { 6008 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6009 } else { 6010 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6011 } 6012 SCTP_INP_WUNLOCK(inp); 6013 break; 6014 } 6015 case SCTP_DEFAULT_SNDINFO: 6016 { 6017 struct sctp_sndinfo *info; 6018 uint16_t policy; 6019 6020 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6021 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6022 6023 if (stcb) { 6024 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6025 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6026 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6027 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6028 stcb->asoc.def_send.sinfo_flags |= policy; 6029 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6030 stcb->asoc.def_send.sinfo_context = info->snd_context; 6031 } else { 6032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6033 error = EINVAL; 6034 } 6035 SCTP_TCB_UNLOCK(stcb); 6036 } else { 6037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6038 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6039 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6040 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6041 SCTP_INP_WLOCK(inp); 6042 inp->def_send.sinfo_stream = info->snd_sid; 6043 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6044 inp->def_send.sinfo_flags = info->snd_flags; 6045 inp->def_send.sinfo_flags |= policy; 6046 inp->def_send.sinfo_ppid = info->snd_ppid; 6047 inp->def_send.sinfo_context = info->snd_context; 6048 SCTP_INP_WUNLOCK(inp); 6049 } 6050 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6051 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6052 SCTP_INP_RLOCK(inp); 6053 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6054 SCTP_TCB_LOCK(stcb); 6055 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6056 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6057 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6058 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6059 stcb->asoc.def_send.sinfo_flags |= policy; 6060 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6061 stcb->asoc.def_send.sinfo_context = info->snd_context; 6062 } 6063 SCTP_TCB_UNLOCK(stcb); 6064 } 6065 SCTP_INP_RUNLOCK(inp); 6066 } 6067 } 6068 break; 6069 } 6070 case SCTP_DEFAULT_PRINFO: 6071 { 6072 struct sctp_default_prinfo *info; 6073 6074 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6075 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6076 6077 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6079 error = EINVAL; 6080 break; 6081 } 6082 if (stcb) { 6083 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6084 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6085 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6086 SCTP_TCB_UNLOCK(stcb); 6087 } else { 6088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6090 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6091 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6092 SCTP_INP_WLOCK(inp); 6093 inp->def_send.sinfo_flags &= 0xfff0; 6094 inp->def_send.sinfo_flags |= info->pr_policy; 6095 inp->def_send.sinfo_timetolive = info->pr_value; 6096 SCTP_INP_WUNLOCK(inp); 6097 } 6098 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6099 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6100 SCTP_INP_RLOCK(inp); 6101 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6102 SCTP_TCB_LOCK(stcb); 6103 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6104 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6105 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6106 SCTP_TCB_UNLOCK(stcb); 6107 } 6108 SCTP_INP_RUNLOCK(inp); 6109 } 6110 } 6111 break; 6112 } 6113 case SCTP_PEER_ADDR_THLDS: 6114 /* Applies to the specific association */ 6115 { 6116 struct sctp_paddrthlds *thlds; 6117 struct sctp_nets *net; 6118 struct sockaddr *addr; 6119 6120#if defined(INET) && defined(INET6) 6121 struct sockaddr_in sin_store; 6122 6123#endif 6124 6125 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6126 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6127 6128#if defined(INET) && defined(INET6) 6129 if (thlds->spt_address.ss_family == AF_INET6) { 6130 struct sockaddr_in6 *sin6; 6131 6132 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6133 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6134 in6_sin6_2_sin(&sin_store, sin6); 6135 addr = (struct sockaddr *)&sin_store; 6136 } else { 6137 addr = (struct sockaddr *)&thlds->spt_address; 6138 } 6139 } else { 6140 addr = (struct sockaddr *)&thlds->spt_address; 6141 } 6142#else 6143 addr = (struct sockaddr *)&thlds->spt_address; 6144#endif 6145 if (stcb != NULL) { 6146 net = sctp_findnet(stcb, addr); 6147 } else { 6148 /* 6149 * We increment here since 6150 * sctp_findassociation_ep_addr() wil do a 6151 * decrement if it finds the stcb as long as 6152 * the locked tcb (last argument) is NOT a 6153 * TCB.. aka NULL. 6154 */ 6155 net = NULL; 6156 SCTP_INP_INCR_REF(inp); 6157 stcb = sctp_findassociation_ep_addr(&inp, addr, 6158 &net, NULL, NULL); 6159 if (stcb == NULL) { 6160 SCTP_INP_DECR_REF(inp); 6161 } 6162 } 6163 if ((stcb != NULL) && (net == NULL)) { 6164#ifdef INET 6165 if (addr->sa_family == AF_INET) { 6166 6167 struct sockaddr_in *sin; 6168 6169 sin = (struct sockaddr_in *)addr; 6170 if (sin->sin_addr.s_addr != INADDR_ANY) { 6171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6172 SCTP_TCB_UNLOCK(stcb); 6173 error = EINVAL; 6174 break; 6175 } 6176 } else 6177#endif 6178#ifdef INET6 6179 if (addr->sa_family == AF_INET6) { 6180 struct sockaddr_in6 *sin6; 6181 6182 sin6 = (struct sockaddr_in6 *)addr; 6183 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6185 SCTP_TCB_UNLOCK(stcb); 6186 error = EINVAL; 6187 break; 6188 } 6189 } else 6190#endif 6191 { 6192 error = EAFNOSUPPORT; 6193 SCTP_TCB_UNLOCK(stcb); 6194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6195 break; 6196 } 6197 } 6198 if (stcb != NULL) { 6199 if (net != NULL) { 6200 net->failure_threshold = thlds->spt_pathmaxrxt; 6201 net->pf_threshold = thlds->spt_pathpfthld; 6202 if (net->dest_state & SCTP_ADDR_PF) { 6203 if ((net->error_count > net->failure_threshold) || 6204 (net->error_count <= net->pf_threshold)) { 6205 net->dest_state &= ~SCTP_ADDR_PF; 6206 } 6207 } else { 6208 if ((net->error_count > net->pf_threshold) && 6209 (net->error_count <= net->failure_threshold)) { 6210 net->dest_state |= SCTP_ADDR_PF; 6211 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6212 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6213 stcb->sctp_ep, stcb, net, 6214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6215 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6216 } 6217 } 6218 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6219 if (net->error_count > net->failure_threshold) { 6220 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6221 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6222 } 6223 } else { 6224 if (net->error_count <= net->failure_threshold) { 6225 net->dest_state |= SCTP_ADDR_REACHABLE; 6226 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6227 } 6228 } 6229 } else { 6230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6231 net->failure_threshold = thlds->spt_pathmaxrxt; 6232 net->pf_threshold = thlds->spt_pathpfthld; 6233 if (net->dest_state & SCTP_ADDR_PF) { 6234 if ((net->error_count > net->failure_threshold) || 6235 (net->error_count <= net->pf_threshold)) { 6236 net->dest_state &= ~SCTP_ADDR_PF; 6237 } 6238 } else { 6239 if ((net->error_count > net->pf_threshold) && 6240 (net->error_count <= net->failure_threshold)) { 6241 net->dest_state |= SCTP_ADDR_PF; 6242 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6243 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6244 stcb->sctp_ep, stcb, net, 6245 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6246 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6247 } 6248 } 6249 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6250 if (net->error_count > net->failure_threshold) { 6251 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6252 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6253 } 6254 } else { 6255 if (net->error_count <= net->failure_threshold) { 6256 net->dest_state |= SCTP_ADDR_REACHABLE; 6257 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6258 } 6259 } 6260 } 6261 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6262 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6263 } 6264 SCTP_TCB_UNLOCK(stcb); 6265 } else { 6266 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6267 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6268 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6269 SCTP_INP_WLOCK(inp); 6270 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6271 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6272 SCTP_INP_WUNLOCK(inp); 6273 } else { 6274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6275 error = EINVAL; 6276 } 6277 } 6278 break; 6279 } 6280 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6281 { 6282 struct sctp_udpencaps *encaps; 6283 struct sctp_nets *net; 6284 struct sockaddr *addr; 6285 6286#if defined(INET) && defined(INET6) 6287 struct sockaddr_in sin_store; 6288 6289#endif 6290 6291 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6292 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6293 6294#if defined(INET) && defined(INET6) 6295 if (encaps->sue_address.ss_family == AF_INET6) { 6296 struct sockaddr_in6 *sin6; 6297 6298 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6299 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6300 in6_sin6_2_sin(&sin_store, sin6); 6301 addr = (struct sockaddr *)&sin_store; 6302 } else { 6303 addr = (struct sockaddr *)&encaps->sue_address; 6304 } 6305 } else { 6306 addr = (struct sockaddr *)&encaps->sue_address; 6307 } 6308#else 6309 addr = (struct sockaddr *)&encaps->sue_address; 6310#endif 6311 if (stcb != NULL) { 6312 net = sctp_findnet(stcb, addr); 6313 } else { 6314 /* 6315 * We increment here since 6316 * sctp_findassociation_ep_addr() wil do a 6317 * decrement if it finds the stcb as long as 6318 * the locked tcb (last argument) is NOT a 6319 * TCB.. aka NULL. 6320 */ 6321 net = NULL; 6322 SCTP_INP_INCR_REF(inp); 6323 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6324 if (stcb == NULL) { 6325 SCTP_INP_DECR_REF(inp); 6326 } 6327 } 6328 if ((stcb != NULL) && (net == NULL)) { 6329#ifdef INET 6330 if (addr->sa_family == AF_INET) { 6331 6332 struct sockaddr_in *sin; 6333 6334 sin = (struct sockaddr_in *)addr; 6335 if (sin->sin_addr.s_addr != INADDR_ANY) { 6336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6337 SCTP_TCB_UNLOCK(stcb); 6338 error = EINVAL; 6339 break; 6340 } 6341 } else 6342#endif 6343#ifdef INET6 6344 if (addr->sa_family == AF_INET6) { 6345 struct sockaddr_in6 *sin6; 6346 6347 sin6 = (struct sockaddr_in6 *)addr; 6348 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6350 SCTP_TCB_UNLOCK(stcb); 6351 error = EINVAL; 6352 break; 6353 } 6354 } else 6355#endif 6356 { 6357 error = EAFNOSUPPORT; 6358 SCTP_TCB_UNLOCK(stcb); 6359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6360 break; 6361 } 6362 } 6363 if (stcb != NULL) { 6364 if (net != NULL) { 6365 net->port = encaps->sue_port; 6366 } else { 6367 stcb->asoc.port = encaps->sue_port; 6368 } 6369 SCTP_TCB_UNLOCK(stcb); 6370 } else { 6371 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6372 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6373 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6374 SCTP_INP_WLOCK(inp); 6375 inp->sctp_ep.port = encaps->sue_port; 6376 SCTP_INP_WUNLOCK(inp); 6377 } else { 6378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6379 error = EINVAL; 6380 } 6381 } 6382 break; 6383 } 6384 case SCTP_ECN_SUPPORTED: 6385 { 6386 struct sctp_assoc_value *av; 6387 6388 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6389 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6390 6391 if (stcb) { 6392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6393 error = EINVAL; 6394 SCTP_TCB_UNLOCK(stcb); 6395 } else { 6396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6397 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6398 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6399 SCTP_INP_WLOCK(inp); 6400 if (av->assoc_value == 0) { 6401 inp->ecn_supported = 0; 6402 } else { 6403 inp->ecn_supported = 1; 6404 } 6405 SCTP_INP_WUNLOCK(inp); 6406 } else { 6407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6408 error = EINVAL; 6409 } 6410 } 6411 break; 6412 } 6413 case SCTP_PR_SUPPORTED: 6414 { 6415 struct sctp_assoc_value *av; 6416 6417 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6418 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6419 6420 if (stcb) { 6421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6422 error = EINVAL; 6423 SCTP_TCB_UNLOCK(stcb); 6424 } else { 6425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6427 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6428 SCTP_INP_WLOCK(inp); 6429 if (av->assoc_value == 0) { 6430 inp->prsctp_supported = 0; 6431 } else { 6432 inp->prsctp_supported = 1; 6433 } 6434 SCTP_INP_WUNLOCK(inp); 6435 } else { 6436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6437 error = EINVAL; 6438 } 6439 } 6440 break; 6441 } 6442 case SCTP_AUTH_SUPPORTED: 6443 { 6444 struct sctp_assoc_value *av; 6445 6446 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6447 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6448 6449 if (stcb) { 6450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6451 error = EINVAL; 6452 SCTP_TCB_UNLOCK(stcb); 6453 } else { 6454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6455 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6456 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6457 if ((av->assoc_value == 0) && 6458 (inp->asconf_supported == 1)) { 6459 /* 6460 * AUTH is required for 6461 * ASCONF 6462 */ 6463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6464 error = EINVAL; 6465 } else { 6466 SCTP_INP_WLOCK(inp); 6467 if (av->assoc_value == 0) { 6468 inp->auth_supported = 0; 6469 } else { 6470 inp->auth_supported = 1; 6471 } 6472 SCTP_INP_WUNLOCK(inp); 6473 } 6474 } else { 6475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6476 error = EINVAL; 6477 } 6478 } 6479 break; 6480 } 6481 case SCTP_ASCONF_SUPPORTED: 6482 { 6483 struct sctp_assoc_value *av; 6484 6485 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6486 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6487 6488 if (stcb) { 6489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6490 error = EINVAL; 6491 SCTP_TCB_UNLOCK(stcb); 6492 } else { 6493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6494 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6495 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6496 if ((av->assoc_value != 0) && 6497 (inp->auth_supported == 0)) { 6498 /* 6499 * AUTH is required for 6500 * ASCONF 6501 */ 6502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6503 error = EINVAL; 6504 } else { 6505 SCTP_INP_WLOCK(inp); 6506 if (av->assoc_value == 0) { 6507 inp->asconf_supported = 0; 6508 sctp_auth_delete_chunk(SCTP_ASCONF, 6509 inp->sctp_ep.local_auth_chunks); 6510 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6511 inp->sctp_ep.local_auth_chunks); 6512 } else { 6513 inp->asconf_supported = 1; 6514 sctp_auth_add_chunk(SCTP_ASCONF, 6515 inp->sctp_ep.local_auth_chunks); 6516 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6517 inp->sctp_ep.local_auth_chunks); 6518 } 6519 SCTP_INP_WUNLOCK(inp); 6520 } 6521 } else { 6522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6523 error = EINVAL; 6524 } 6525 } 6526 break; 6527 } 6528 case SCTP_RECONFIG_SUPPORTED: 6529 { 6530 struct sctp_assoc_value *av; 6531 6532 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6533 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6534 6535 if (stcb) { 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6537 error = EINVAL; 6538 SCTP_TCB_UNLOCK(stcb); 6539 } else { 6540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6542 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6543 SCTP_INP_WLOCK(inp); 6544 if (av->assoc_value == 0) { 6545 inp->reconfig_supported = 0; 6546 } else { 6547 inp->reconfig_supported = 1; 6548 } 6549 SCTP_INP_WUNLOCK(inp); 6550 } else { 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 } 6554 } 6555 break; 6556 } 6557 case SCTP_NRSACK_SUPPORTED: 6558 { 6559 struct sctp_assoc_value *av; 6560 6561 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6562 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6563 6564 if (stcb) { 6565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6566 error = EINVAL; 6567 SCTP_TCB_UNLOCK(stcb); 6568 } else { 6569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6571 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6572 SCTP_INP_WLOCK(inp); 6573 if (av->assoc_value == 0) { 6574 inp->nrsack_supported = 0; 6575 } else { 6576 inp->nrsack_supported = 1; 6577 } 6578 SCTP_INP_WUNLOCK(inp); 6579 } else { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 error = EINVAL; 6582 } 6583 } 6584 break; 6585 } 6586 case SCTP_PKTDROP_SUPPORTED: 6587 { 6588 struct sctp_assoc_value *av; 6589 6590 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6591 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6592 6593 if (stcb) { 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6595 error = EINVAL; 6596 SCTP_TCB_UNLOCK(stcb); 6597 } else { 6598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6600 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6601 SCTP_INP_WLOCK(inp); 6602 if (av->assoc_value == 0) { 6603 inp->pktdrop_supported = 0; 6604 } else { 6605 inp->pktdrop_supported = 1; 6606 } 6607 SCTP_INP_WUNLOCK(inp); 6608 } else { 6609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6610 error = EINVAL; 6611 } 6612 } 6613 break; 6614 } 6615 case SCTP_MAX_CWND: 6616 { 6617 struct sctp_assoc_value *av; 6618 struct sctp_nets *net; 6619 6620 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6621 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6622 6623 if (stcb) { 6624 stcb->asoc.max_cwnd = av->assoc_value; 6625 if (stcb->asoc.max_cwnd > 0) { 6626 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6627 if ((net->cwnd > stcb->asoc.max_cwnd) && 6628 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6629 net->cwnd = stcb->asoc.max_cwnd; 6630 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6631 net->cwnd = net->mtu - sizeof(struct sctphdr); 6632 } 6633 } 6634 } 6635 } 6636 SCTP_TCB_UNLOCK(stcb); 6637 } else { 6638 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6639 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6640 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6641 SCTP_INP_WLOCK(inp); 6642 inp->max_cwnd = av->assoc_value; 6643 SCTP_INP_WUNLOCK(inp); 6644 } else { 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 } 6648 } 6649 break; 6650 } 6651 default: 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6653 error = ENOPROTOOPT; 6654 break; 6655 } /* end switch (opt) */ 6656 return (error); 6657} 6658 6659int 6660sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6661{ 6662 void *optval = NULL; 6663 size_t optsize = 0; 6664 void *p; 6665 int error = 0; 6666 6667 if (sopt->sopt_level != IPPROTO_SCTP) { 6668 /* wrong proto level... send back up to IP */ 6669#ifdef INET6 6670 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6671 error = ip6_ctloutput(so, sopt); 6672#endif /* INET6 */ 6673#if defined(INET) && defined(INET6) 6674 else 6675#endif 6676#ifdef INET 6677 error = ip_ctloutput(so, sopt); 6678#endif 6679 return (error); 6680 } 6681 optsize = sopt->sopt_valsize; 6682 if (optsize) { 6683 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6684 if (optval == NULL) { 6685 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6686 return (ENOBUFS); 6687 } 6688 error = sooptcopyin(sopt, optval, optsize, optsize); 6689 if (error) { 6690 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6691 goto out; 6692 } 6693 } 6694 p = (void *)sopt->sopt_td; 6695 if (sopt->sopt_dir == SOPT_SET) { 6696 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6697 } else if (sopt->sopt_dir == SOPT_GET) { 6698 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6699 } else { 6700 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6701 error = EINVAL; 6702 } 6703 if ((error == 0) && (optval != NULL)) { 6704 error = sooptcopyout(sopt, optval, optsize); 6705 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6706 } else if (optval != NULL) { 6707 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6708 } 6709out: 6710 return (error); 6711} 6712 6713#ifdef INET 6714static int 6715sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6716{ 6717 int error = 0; 6718 int create_lock_on = 0; 6719 uint32_t vrf_id; 6720 struct sctp_inpcb *inp; 6721 struct sctp_tcb *stcb = NULL; 6722 6723 inp = (struct sctp_inpcb *)so->so_pcb; 6724 if (inp == NULL) { 6725 /* I made the same as TCP since we are not setup? */ 6726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6727 return (ECONNRESET); 6728 } 6729 if (addr == NULL) { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 return EINVAL; 6732 } 6733 switch (addr->sa_family) { 6734#ifdef INET6 6735 case AF_INET6: 6736 { 6737 struct sockaddr_in6 *sin6p; 6738 6739 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6741 return (EINVAL); 6742 } 6743 sin6p = (struct sockaddr_in6 *)addr; 6744 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6746 return (error); 6747 } 6748 break; 6749 } 6750#endif 6751#ifdef INET 6752 case AF_INET: 6753 { 6754 struct sockaddr_in *sinp; 6755 6756 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6758 return (EINVAL); 6759 } 6760 sinp = (struct sockaddr_in *)addr; 6761 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6763 return (error); 6764 } 6765 break; 6766 } 6767#endif 6768 default: 6769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6770 return (EAFNOSUPPORT); 6771 } 6772 SCTP_INP_INCR_REF(inp); 6773 SCTP_ASOC_CREATE_LOCK(inp); 6774 create_lock_on = 1; 6775 6776 6777 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6778 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6779 /* Should I really unlock ? */ 6780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6781 error = EFAULT; 6782 goto out_now; 6783 } 6784#ifdef INET6 6785 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6786 (addr->sa_family == AF_INET6)) { 6787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6788 error = EINVAL; 6789 goto out_now; 6790 } 6791#endif 6792 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6793 SCTP_PCB_FLAGS_UNBOUND) { 6794 /* Bind a ephemeral port */ 6795 error = sctp_inpcb_bind(so, NULL, NULL, p); 6796 if (error) { 6797 goto out_now; 6798 } 6799 } 6800 /* Now do we connect? */ 6801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6802 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6804 error = EINVAL; 6805 goto out_now; 6806 } 6807 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6808 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6809 /* We are already connected AND the TCP model */ 6810 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6811 error = EADDRINUSE; 6812 goto out_now; 6813 } 6814 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6815 SCTP_INP_RLOCK(inp); 6816 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6817 SCTP_INP_RUNLOCK(inp); 6818 } else { 6819 /* 6820 * We increment here since sctp_findassociation_ep_addr() 6821 * will do a decrement if it finds the stcb as long as the 6822 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6823 */ 6824 SCTP_INP_INCR_REF(inp); 6825 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6826 if (stcb == NULL) { 6827 SCTP_INP_DECR_REF(inp); 6828 } else { 6829 SCTP_TCB_UNLOCK(stcb); 6830 } 6831 } 6832 if (stcb != NULL) { 6833 /* Already have or am bring up an association */ 6834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6835 error = EALREADY; 6836 goto out_now; 6837 } 6838 vrf_id = inp->def_vrf_id; 6839 /* We are GOOD to go */ 6840 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6841 if (stcb == NULL) { 6842 /* Gak! no memory */ 6843 goto out_now; 6844 } 6845 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6846 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6847 /* Set the connected flag so we can queue data */ 6848 soisconnecting(so); 6849 } 6850 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6851 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6852 6853 /* initialize authentication parameters for the assoc */ 6854 sctp_initialize_auth_params(inp, stcb); 6855 6856 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6857 SCTP_TCB_UNLOCK(stcb); 6858out_now: 6859 if (create_lock_on) { 6860 SCTP_ASOC_CREATE_UNLOCK(inp); 6861 } 6862 SCTP_INP_DECR_REF(inp); 6863 return (error); 6864} 6865 6866#endif 6867 6868int 6869sctp_listen(struct socket *so, int backlog, struct thread *p) 6870{ 6871 /* 6872 * Note this module depends on the protocol processing being called 6873 * AFTER any socket level flags and backlog are applied to the 6874 * socket. The traditional way that the socket flags are applied is 6875 * AFTER protocol processing. We have made a change to the 6876 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6877 * place if the socket API for SCTP is to work properly. 6878 */ 6879 6880 int error = 0; 6881 struct sctp_inpcb *inp; 6882 6883 inp = (struct sctp_inpcb *)so->so_pcb; 6884 if (inp == NULL) { 6885 /* I made the same as TCP since we are not setup? */ 6886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6887 return (ECONNRESET); 6888 } 6889 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6890 /* See if we have a listener */ 6891 struct sctp_inpcb *tinp; 6892 union sctp_sockstore store; 6893 6894 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6895 /* not bound all */ 6896 struct sctp_laddr *laddr; 6897 6898 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6899 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6900 switch (store.sa.sa_family) { 6901#ifdef INET 6902 case AF_INET: 6903 store.sin.sin_port = inp->sctp_lport; 6904 break; 6905#endif 6906#ifdef INET6 6907 case AF_INET6: 6908 store.sin6.sin6_port = inp->sctp_lport; 6909 break; 6910#endif 6911 default: 6912 break; 6913 } 6914 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6915 if (tinp && (tinp != inp) && 6916 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6917 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6918 (tinp->sctp_socket->so_qlimit)) { 6919 /* 6920 * we have a listener already and 6921 * its not this inp. 6922 */ 6923 SCTP_INP_DECR_REF(tinp); 6924 return (EADDRINUSE); 6925 } else if (tinp) { 6926 SCTP_INP_DECR_REF(tinp); 6927 } 6928 } 6929 } else { 6930 /* Setup a local addr bound all */ 6931 memset(&store, 0, sizeof(store)); 6932#ifdef INET6 6933 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6934 store.sa.sa_family = AF_INET6; 6935 store.sa.sa_len = sizeof(struct sockaddr_in6); 6936 } 6937#endif 6938#ifdef INET 6939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6940 store.sa.sa_family = AF_INET; 6941 store.sa.sa_len = sizeof(struct sockaddr_in); 6942 } 6943#endif 6944 switch (store.sa.sa_family) { 6945#ifdef INET 6946 case AF_INET: 6947 store.sin.sin_port = inp->sctp_lport; 6948 break; 6949#endif 6950#ifdef INET6 6951 case AF_INET6: 6952 store.sin6.sin6_port = inp->sctp_lport; 6953 break; 6954#endif 6955 default: 6956 break; 6957 } 6958 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6959 if (tinp && (tinp != inp) && 6960 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6961 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6962 (tinp->sctp_socket->so_qlimit)) { 6963 /* 6964 * we have a listener already and its not 6965 * this inp. 6966 */ 6967 SCTP_INP_DECR_REF(tinp); 6968 return (EADDRINUSE); 6969 } else if (tinp) { 6970 SCTP_INP_DECR_REF(tinp); 6971 } 6972 } 6973 } 6974 SCTP_INP_RLOCK(inp); 6975#ifdef SCTP_LOCK_LOGGING 6976 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6977 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6978 } 6979#endif 6980 SOCK_LOCK(so); 6981 error = solisten_proto_check(so); 6982 SOCK_UNLOCK(so); 6983 if (error) { 6984 SCTP_INP_RUNLOCK(inp); 6985 return (error); 6986 } 6987 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6989 /* 6990 * The unlucky case - We are in the tcp pool with this guy. 6991 * - Someone else is in the main inp slot. - We must move 6992 * this guy (the listener) to the main slot - We must then 6993 * move the guy that was listener to the TCP Pool. 6994 */ 6995 if (sctp_swap_inpcb_for_listen(inp)) { 6996 SCTP_INP_RUNLOCK(inp); 6997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6998 return (EADDRINUSE); 6999 } 7000 } 7001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7002 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7003 /* We are already connected AND the TCP model */ 7004 SCTP_INP_RUNLOCK(inp); 7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7006 return (EADDRINUSE); 7007 } 7008 SCTP_INP_RUNLOCK(inp); 7009 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7010 /* We must do a bind. */ 7011 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7012 /* bind error, probably perm */ 7013 return (error); 7014 } 7015 } 7016 SOCK_LOCK(so); 7017 /* It appears for 7.0 and on, we must always call this. */ 7018 solisten_proto(so, backlog); 7019 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7020 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7021 so->so_options &= ~SO_ACCEPTCONN; 7022 } 7023 if (backlog == 0) { 7024 /* turning off listen */ 7025 so->so_options &= ~SO_ACCEPTCONN; 7026 } 7027 SOCK_UNLOCK(so); 7028 return (error); 7029} 7030 7031static int sctp_defered_wakeup_cnt = 0; 7032 7033int 7034sctp_accept(struct socket *so, struct sockaddr **addr) 7035{ 7036 struct sctp_tcb *stcb; 7037 struct sctp_inpcb *inp; 7038 union sctp_sockstore store; 7039 7040#ifdef INET6 7041 int error; 7042 7043#endif 7044 inp = (struct sctp_inpcb *)so->so_pcb; 7045 7046 if (inp == NULL) { 7047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7048 return (ECONNRESET); 7049 } 7050 SCTP_INP_RLOCK(inp); 7051 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7052 SCTP_INP_RUNLOCK(inp); 7053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7054 return (EOPNOTSUPP); 7055 } 7056 if (so->so_state & SS_ISDISCONNECTED) { 7057 SCTP_INP_RUNLOCK(inp); 7058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7059 return (ECONNABORTED); 7060 } 7061 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7062 if (stcb == NULL) { 7063 SCTP_INP_RUNLOCK(inp); 7064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7065 return (ECONNRESET); 7066 } 7067 SCTP_TCB_LOCK(stcb); 7068 SCTP_INP_RUNLOCK(inp); 7069 store = stcb->asoc.primary_destination->ro._l_addr; 7070 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7071 SCTP_TCB_UNLOCK(stcb); 7072 switch (store.sa.sa_family) { 7073#ifdef INET 7074 case AF_INET: 7075 { 7076 struct sockaddr_in *sin; 7077 7078 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7079 if (sin == NULL) 7080 return (ENOMEM); 7081 sin->sin_family = AF_INET; 7082 sin->sin_len = sizeof(*sin); 7083 sin->sin_port = store.sin.sin_port; 7084 sin->sin_addr = store.sin.sin_addr; 7085 *addr = (struct sockaddr *)sin; 7086 break; 7087 } 7088#endif 7089#ifdef INET6 7090 case AF_INET6: 7091 { 7092 struct sockaddr_in6 *sin6; 7093 7094 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7095 if (sin6 == NULL) 7096 return (ENOMEM); 7097 sin6->sin6_family = AF_INET6; 7098 sin6->sin6_len = sizeof(*sin6); 7099 sin6->sin6_port = store.sin6.sin6_port; 7100 sin6->sin6_addr = store.sin6.sin6_addr; 7101 if ((error = sa6_recoverscope(sin6)) != 0) { 7102 SCTP_FREE_SONAME(sin6); 7103 return (error); 7104 } 7105 *addr = (struct sockaddr *)sin6; 7106 break; 7107 } 7108#endif 7109 default: 7110 /* TSNH */ 7111 break; 7112 } 7113 /* Wake any delayed sleep action */ 7114 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7115 SCTP_INP_WLOCK(inp); 7116 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7117 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7118 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7119 SCTP_INP_WUNLOCK(inp); 7120 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7121 if (sowriteable(inp->sctp_socket)) { 7122 sowwakeup_locked(inp->sctp_socket); 7123 } else { 7124 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7125 } 7126 SCTP_INP_WLOCK(inp); 7127 } 7128 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7129 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7130 SCTP_INP_WUNLOCK(inp); 7131 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7132 if (soreadable(inp->sctp_socket)) { 7133 sctp_defered_wakeup_cnt++; 7134 sorwakeup_locked(inp->sctp_socket); 7135 } else { 7136 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7137 } 7138 SCTP_INP_WLOCK(inp); 7139 } 7140 SCTP_INP_WUNLOCK(inp); 7141 } 7142 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7143 SCTP_TCB_LOCK(stcb); 7144 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7145 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7146 } 7147 return (0); 7148} 7149 7150#ifdef INET 7151int 7152sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7153{ 7154 struct sockaddr_in *sin; 7155 uint32_t vrf_id; 7156 struct sctp_inpcb *inp; 7157 struct sctp_ifa *sctp_ifa; 7158 7159 /* 7160 * Do the malloc first in case it blocks. 7161 */ 7162 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7163 if (sin == NULL) 7164 return (ENOMEM); 7165 sin->sin_family = AF_INET; 7166 sin->sin_len = sizeof(*sin); 7167 inp = (struct sctp_inpcb *)so->so_pcb; 7168 if (!inp) { 7169 SCTP_FREE_SONAME(sin); 7170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7171 return (ECONNRESET); 7172 } 7173 SCTP_INP_RLOCK(inp); 7174 sin->sin_port = inp->sctp_lport; 7175 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7176 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7177 struct sctp_tcb *stcb; 7178 struct sockaddr_in *sin_a; 7179 struct sctp_nets *net; 7180 int fnd; 7181 7182 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7183 if (stcb == NULL) { 7184 goto notConn; 7185 } 7186 fnd = 0; 7187 sin_a = NULL; 7188 SCTP_TCB_LOCK(stcb); 7189 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7190 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7191 if (sin_a == NULL) 7192 /* this will make coverity happy */ 7193 continue; 7194 7195 if (sin_a->sin_family == AF_INET) { 7196 fnd = 1; 7197 break; 7198 } 7199 } 7200 if ((!fnd) || (sin_a == NULL)) { 7201 /* punt */ 7202 SCTP_TCB_UNLOCK(stcb); 7203 goto notConn; 7204 } 7205 vrf_id = inp->def_vrf_id; 7206 sctp_ifa = sctp_source_address_selection(inp, 7207 stcb, 7208 (sctp_route_t *) & net->ro, 7209 net, 0, vrf_id); 7210 if (sctp_ifa) { 7211 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7212 sctp_free_ifa(sctp_ifa); 7213 } 7214 SCTP_TCB_UNLOCK(stcb); 7215 } else { 7216 /* For the bound all case you get back 0 */ 7217 notConn: 7218 sin->sin_addr.s_addr = 0; 7219 } 7220 7221 } else { 7222 /* Take the first IPv4 address in the list */ 7223 struct sctp_laddr *laddr; 7224 int fnd = 0; 7225 7226 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7227 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7228 struct sockaddr_in *sin_a; 7229 7230 sin_a = &laddr->ifa->address.sin; 7231 sin->sin_addr = sin_a->sin_addr; 7232 fnd = 1; 7233 break; 7234 } 7235 } 7236 if (!fnd) { 7237 SCTP_FREE_SONAME(sin); 7238 SCTP_INP_RUNLOCK(inp); 7239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7240 return (ENOENT); 7241 } 7242 } 7243 SCTP_INP_RUNLOCK(inp); 7244 (*addr) = (struct sockaddr *)sin; 7245 return (0); 7246} 7247 7248int 7249sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7250{ 7251 struct sockaddr_in *sin; 7252 int fnd; 7253 struct sockaddr_in *sin_a; 7254 struct sctp_inpcb *inp; 7255 struct sctp_tcb *stcb; 7256 struct sctp_nets *net; 7257 7258 /* Do the malloc first in case it blocks. */ 7259 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7260 if (sin == NULL) 7261 return (ENOMEM); 7262 sin->sin_family = AF_INET; 7263 sin->sin_len = sizeof(*sin); 7264 7265 inp = (struct sctp_inpcb *)so->so_pcb; 7266 if ((inp == NULL) || 7267 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7268 /* UDP type and listeners will drop out here */ 7269 SCTP_FREE_SONAME(sin); 7270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7271 return (ENOTCONN); 7272 } 7273 SCTP_INP_RLOCK(inp); 7274 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7275 if (stcb) { 7276 SCTP_TCB_LOCK(stcb); 7277 } 7278 SCTP_INP_RUNLOCK(inp); 7279 if (stcb == NULL) { 7280 SCTP_FREE_SONAME(sin); 7281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7282 return (ECONNRESET); 7283 } 7284 fnd = 0; 7285 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7286 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7287 if (sin_a->sin_family == AF_INET) { 7288 fnd = 1; 7289 sin->sin_port = stcb->rport; 7290 sin->sin_addr = sin_a->sin_addr; 7291 break; 7292 } 7293 } 7294 SCTP_TCB_UNLOCK(stcb); 7295 if (!fnd) { 7296 /* No IPv4 address */ 7297 SCTP_FREE_SONAME(sin); 7298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7299 return (ENOENT); 7300 } 7301 (*addr) = (struct sockaddr *)sin; 7302 return (0); 7303} 7304 7305struct pr_usrreqs sctp_usrreqs = { 7306 .pru_abort = sctp_abort, 7307 .pru_accept = sctp_accept, 7308 .pru_attach = sctp_attach, 7309 .pru_bind = sctp_bind, 7310 .pru_connect = sctp_connect, 7311 .pru_control = in_control, 7312 .pru_close = sctp_close, 7313 .pru_detach = sctp_close, 7314 .pru_sopoll = sopoll_generic, 7315 .pru_flush = sctp_flush, 7316 .pru_disconnect = sctp_disconnect, 7317 .pru_listen = sctp_listen, 7318 .pru_peeraddr = sctp_peeraddr, 7319 .pru_send = sctp_sendm, 7320 .pru_shutdown = sctp_shutdown, 7321 .pru_sockaddr = sctp_ingetaddr, 7322 .pru_sosend = sctp_sosend, 7323 .pru_soreceive = sctp_soreceive 7324}; 7325 7326#endif 7327