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("$FreeBSD$"); 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 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_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 92 void 93 sctp_finish(void) 94 { 95 sctp_pcb_finish(); 96 } 97 98 99 100 void 101 sctp_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 (uint32_t) (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 146 static void 147 sctp_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 } 215 216 void 217 sctp_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 306 void 307 sctp_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 376 377 static int 378 sctp_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); 422 cred_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)); 431 out: 432 return (error); 433 } 434 435 SYSCTL_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 440 static void 441 sctp_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 } 450 sctp_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 } 481 482 static int 483 sctp_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 inp = (struct sctp_inpcb *)so->so_pcb; 491 if (inp != 0) { 492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 493 return (EINVAL); 494 } 495 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 496 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 497 if (error) { 498 return (error); 499 } 500 } 501 error = sctp_inpcb_alloc(so, vrf_id); 502 if (error) { 503 return (error); 504 } 505 inp = (struct sctp_inpcb *)so->so_pcb; 506 SCTP_INP_WLOCK(inp); 507 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 508 ip_inp = &inp->ip_inp.inp; 509 ip_inp->inp_vflag |= INP_IPV4; 510 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 511 SCTP_INP_WUNLOCK(inp); 512 return (0); 513 } 514 515 static int 516 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 517 { 518 struct sctp_inpcb *inp; 519 520 inp = (struct sctp_inpcb *)so->so_pcb; 521 if (inp == NULL) { 522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 523 return (EINVAL); 524 } 525 if (addr != NULL) { 526 if ((addr->sa_family != AF_INET) || 527 (addr->sa_len != sizeof(struct sockaddr_in))) { 528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 529 return (EINVAL); 530 } 531 } 532 return (sctp_inpcb_bind(so, addr, NULL, p)); 533 } 534 535 #endif 536 void 537 sctp_close(struct socket *so) 538 { 539 struct sctp_inpcb *inp; 540 uint32_t flags; 541 542 inp = (struct sctp_inpcb *)so->so_pcb; 543 if (inp == NULL) 544 return; 545 546 /* 547 * Inform all the lower layer assoc that we are done. 548 */ 549 sctp_must_try_again: 550 flags = inp->sctp_flags; 551 #ifdef SCTP_LOG_CLOSING 552 sctp_log_closing(inp, NULL, 17); 553 #endif 554 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 555 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 556 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 557 (so->so_rcv.sb_cc > 0)) { 558 #ifdef SCTP_LOG_CLOSING 559 sctp_log_closing(inp, NULL, 13); 560 #endif 561 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 562 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 563 } else { 564 #ifdef SCTP_LOG_CLOSING 565 sctp_log_closing(inp, NULL, 14); 566 #endif 567 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 568 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 569 } 570 /* 571 * The socket is now detached, no matter what the state of 572 * the SCTP association. 573 */ 574 SOCK_LOCK(so); 575 SCTP_SB_CLEAR(so->so_snd); 576 /* 577 * same for the rcv ones, they are only here for the 578 * accounting/select. 579 */ 580 SCTP_SB_CLEAR(so->so_rcv); 581 582 /* Now null out the reference, we are completely detached. */ 583 so->so_pcb = NULL; 584 SOCK_UNLOCK(so); 585 } else { 586 flags = inp->sctp_flags; 587 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 588 goto sctp_must_try_again; 589 } 590 } 591 return; 592 } 593 594 595 int 596 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 597 struct mbuf *control, struct thread *p); 598 599 600 int 601 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 602 struct mbuf *control, struct thread *p) 603 { 604 struct sctp_inpcb *inp; 605 int error; 606 607 inp = (struct sctp_inpcb *)so->so_pcb; 608 if (inp == NULL) { 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 614 sctp_m_freem(m); 615 return (EINVAL); 616 } 617 /* Got to have an to address if we are NOT a connected socket */ 618 if ((addr == NULL) && 619 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 620 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 621 goto connected_type; 622 } else if (addr == NULL) { 623 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 624 error = EDESTADDRREQ; 625 sctp_m_freem(m); 626 if (control) { 627 sctp_m_freem(control); 628 control = NULL; 629 } 630 return (error); 631 } 632 #ifdef INET6 633 if (addr->sa_family != AF_INET) { 634 /* must be a v4 address! */ 635 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 636 sctp_m_freem(m); 637 if (control) { 638 sctp_m_freem(control); 639 control = NULL; 640 } 641 error = EDESTADDRREQ; 642 return (error); 643 } 644 #endif /* INET6 */ 645 connected_type: 646 /* now what about control */ 647 if (control) { 648 if (inp->control) { 649 SCTP_PRINTF("huh? control set?\n"); 650 sctp_m_freem(inp->control); 651 inp->control = NULL; 652 } 653 inp->control = control; 654 } 655 /* Place the data */ 656 if (inp->pkt) { 657 SCTP_BUF_NEXT(inp->pkt_last) = m; 658 inp->pkt_last = m; 659 } else { 660 inp->pkt_last = inp->pkt = m; 661 } 662 if ( 663 /* FreeBSD uses a flag passed */ 664 ((flags & PRUS_MORETOCOME) == 0) 665 ) { 666 /* 667 * note with the current version this code will only be used 668 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 669 * re-defining sosend to use the sctp_sosend. One can 670 * optionally switch back to this code (by changing back the 671 * definitions) but this is not advisable. This code is used 672 * by FreeBSD when sending a file with sendfile() though. 673 */ 674 int ret; 675 676 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 677 inp->pkt = NULL; 678 inp->control = NULL; 679 return (ret); 680 } else { 681 return (0); 682 } 683 } 684 685 int 686 sctp_disconnect(struct socket *so) 687 { 688 struct sctp_inpcb *inp; 689 690 inp = (struct sctp_inpcb *)so->so_pcb; 691 if (inp == NULL) { 692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 693 return (ENOTCONN); 694 } 695 SCTP_INP_RLOCK(inp); 696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 698 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 699 /* No connection */ 700 SCTP_INP_RUNLOCK(inp); 701 return (0); 702 } else { 703 struct sctp_association *asoc; 704 struct sctp_tcb *stcb; 705 706 stcb = LIST_FIRST(&inp->sctp_asoc_list); 707 if (stcb == NULL) { 708 SCTP_INP_RUNLOCK(inp); 709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 710 return (EINVAL); 711 } 712 SCTP_TCB_LOCK(stcb); 713 asoc = &stcb->asoc; 714 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 715 /* We are about to be freed, out of here */ 716 SCTP_TCB_UNLOCK(stcb); 717 SCTP_INP_RUNLOCK(inp); 718 return (0); 719 } 720 if (((so->so_options & SO_LINGER) && 721 (so->so_linger == 0)) || 722 (so->so_rcv.sb_cc > 0)) { 723 if (SCTP_GET_STATE(asoc) != 724 SCTP_STATE_COOKIE_WAIT) { 725 /* Left with Data unread */ 726 struct mbuf *err; 727 728 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 729 if (err) { 730 /* 731 * Fill in the user 732 * initiated abort 733 */ 734 struct sctp_paramhdr *ph; 735 736 ph = mtod(err, struct sctp_paramhdr *); 737 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 738 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 739 ph->param_length = htons(SCTP_BUF_LEN(err)); 740 } 741 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 742 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 743 } 744 SCTP_INP_RUNLOCK(inp); 745 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 746 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 747 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 748 } 749 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 750 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 751 /* No unlock tcb assoc is gone */ 752 return (0); 753 } 754 if (TAILQ_EMPTY(&asoc->send_queue) && 755 TAILQ_EMPTY(&asoc->sent_queue) && 756 (asoc->stream_queue_cnt == 0)) { 757 /* there is nothing queued to send, so done */ 758 if (asoc->locked_on_sending) { 759 goto abort_anyway; 760 } 761 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 762 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 763 /* only send SHUTDOWN 1st time thru */ 764 struct sctp_nets *netp; 765 766 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 767 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 768 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 769 } 770 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 771 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 772 sctp_stop_timers_for_shutdown(stcb); 773 if (stcb->asoc.alternate) { 774 netp = stcb->asoc.alternate; 775 } else { 776 netp = stcb->asoc.primary_destination; 777 } 778 sctp_send_shutdown(stcb, netp); 779 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 780 stcb->sctp_ep, stcb, netp); 781 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 782 stcb->sctp_ep, stcb, netp); 783 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 784 } 785 } else { 786 /* 787 * we still got (or just got) data to send, 788 * so set SHUTDOWN_PENDING 789 */ 790 /* 791 * XXX sockets draft says that SCTP_EOF 792 * should be sent with no data. currently, 793 * we will allow user data to be sent first 794 * and move to SHUTDOWN-PENDING 795 */ 796 struct sctp_nets *netp; 797 798 if (stcb->asoc.alternate) { 799 netp = stcb->asoc.alternate; 800 } else { 801 netp = stcb->asoc.primary_destination; 802 } 803 804 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 805 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 806 netp); 807 if (asoc->locked_on_sending) { 808 /* Locked to send out the data */ 809 struct sctp_stream_queue_pending *sp; 810 811 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 812 if (sp == NULL) { 813 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 814 asoc->locked_on_sending->stream_no); 815 } else { 816 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 817 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 818 } 819 } 820 if (TAILQ_EMPTY(&asoc->send_queue) && 821 TAILQ_EMPTY(&asoc->sent_queue) && 822 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 823 struct mbuf *op_err; 824 825 abort_anyway: 826 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 827 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 828 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 829 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 830 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 831 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 832 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 833 } 834 SCTP_INP_RUNLOCK(inp); 835 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 836 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 837 return (0); 838 } else { 839 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 840 } 841 } 842 soisdisconnecting(so); 843 SCTP_TCB_UNLOCK(stcb); 844 SCTP_INP_RUNLOCK(inp); 845 return (0); 846 } 847 /* not reached */ 848 } else { 849 /* UDP model does not support this */ 850 SCTP_INP_RUNLOCK(inp); 851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 852 return (EOPNOTSUPP); 853 } 854 } 855 856 int 857 sctp_flush(struct socket *so, int how) 858 { 859 /* 860 * We will just clear out the values and let subsequent close clear 861 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 862 * they will not be able to read the data, the socket will block 863 * that from happening. 864 */ 865 struct sctp_inpcb *inp; 866 867 inp = (struct sctp_inpcb *)so->so_pcb; 868 if (inp == NULL) { 869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 870 return (EINVAL); 871 } 872 SCTP_INP_RLOCK(inp); 873 /* For the 1 to many model this does nothing */ 874 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 875 SCTP_INP_RUNLOCK(inp); 876 return (0); 877 } 878 SCTP_INP_RUNLOCK(inp); 879 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 880 /* 881 * First make sure the sb will be happy, we don't use these 882 * except maybe the count 883 */ 884 SCTP_INP_WLOCK(inp); 885 SCTP_INP_READ_LOCK(inp); 886 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 887 SCTP_INP_READ_UNLOCK(inp); 888 SCTP_INP_WUNLOCK(inp); 889 so->so_rcv.sb_cc = 0; 890 so->so_rcv.sb_mbcnt = 0; 891 so->so_rcv.sb_mb = NULL; 892 } 893 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 894 /* 895 * First make sure the sb will be happy, we don't use these 896 * except maybe the count 897 */ 898 so->so_snd.sb_cc = 0; 899 so->so_snd.sb_mbcnt = 0; 900 so->so_snd.sb_mb = NULL; 901 902 } 903 return (0); 904 } 905 906 int 907 sctp_shutdown(struct socket *so) 908 { 909 struct sctp_inpcb *inp; 910 911 inp = (struct sctp_inpcb *)so->so_pcb; 912 if (inp == NULL) { 913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 914 return (EINVAL); 915 } 916 SCTP_INP_RLOCK(inp); 917 /* For UDP model this is a invalid call */ 918 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 920 /* Restore the flags that the soshutdown took away. */ 921 SOCKBUF_LOCK(&so->so_rcv); 922 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 923 SOCKBUF_UNLOCK(&so->so_rcv); 924 /* This proc will wakeup for read and do nothing (I hope) */ 925 SCTP_INP_RUNLOCK(inp); 926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 927 return (EOPNOTSUPP); 928 } else { 929 /* 930 * Ok, if we reach here its the TCP model and it is either a 931 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 932 * against it. 933 */ 934 struct sctp_tcb *stcb; 935 struct sctp_association *asoc; 936 struct sctp_nets *netp; 937 938 if ((so->so_state & 939 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 940 SCTP_INP_RUNLOCK(inp); 941 return (ENOTCONN); 942 } 943 socantsendmore(so); 944 945 stcb = LIST_FIRST(&inp->sctp_asoc_list); 946 if (stcb == NULL) { 947 /* 948 * Ok, we hit the case that the shutdown call was 949 * made after an abort or something. Nothing to do 950 * now. 951 */ 952 SCTP_INP_RUNLOCK(inp); 953 return (0); 954 } 955 SCTP_TCB_LOCK(stcb); 956 asoc = &stcb->asoc; 957 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 958 SCTP_TCB_UNLOCK(stcb); 959 SCTP_INP_RUNLOCK(inp); 960 return (0); 961 } 962 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 963 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 964 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 965 /* 966 * If we are not in or before ESTABLISHED, there is 967 * no protocol action required. 968 */ 969 SCTP_TCB_UNLOCK(stcb); 970 SCTP_INP_RUNLOCK(inp); 971 return (0); 972 } 973 if (stcb->asoc.alternate) { 974 netp = stcb->asoc.alternate; 975 } else { 976 netp = stcb->asoc.primary_destination; 977 } 978 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 979 TAILQ_EMPTY(&asoc->send_queue) && 980 TAILQ_EMPTY(&asoc->sent_queue) && 981 (asoc->stream_queue_cnt == 0)) { 982 if (asoc->locked_on_sending) { 983 goto abort_anyway; 984 } 985 /* there is nothing queued to send, so I'm done... */ 986 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 987 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 988 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 989 sctp_stop_timers_for_shutdown(stcb); 990 sctp_send_shutdown(stcb, netp); 991 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 992 stcb->sctp_ep, stcb, netp); 993 } else { 994 /* 995 * We still got (or just got) data to send, so set 996 * SHUTDOWN_PENDING. 997 */ 998 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 999 if (asoc->locked_on_sending) { 1000 /* Locked to send out the data */ 1001 struct sctp_stream_queue_pending *sp; 1002 1003 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1004 if (sp == NULL) { 1005 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1006 asoc->locked_on_sending->stream_no); 1007 } else { 1008 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1009 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 1010 } 1011 } 1012 } 1013 if (TAILQ_EMPTY(&asoc->send_queue) && 1014 TAILQ_EMPTY(&asoc->sent_queue) && 1015 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1016 struct mbuf *op_err; 1017 1018 abort_anyway: 1019 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1020 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1021 sctp_abort_an_association(stcb->sctp_ep, stcb, 1022 op_err, SCTP_SO_LOCKED); 1023 SCTP_INP_RUNLOCK(inp); 1024 return (0); 1025 } 1026 } 1027 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1028 /* 1029 * XXX: Why do this in the case where we have still data 1030 * queued? 1031 */ 1032 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1033 SCTP_TCB_UNLOCK(stcb); 1034 SCTP_INP_RUNLOCK(inp); 1035 return (0); 1036 } 1037 } 1038 1039 /* 1040 * copies a "user" presentable address and removes embedded scope, etc. 1041 * returns 0 on success, 1 on error 1042 */ 1043 static uint32_t 1044 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1045 { 1046 #ifdef INET6 1047 struct sockaddr_in6 lsa6; 1048 1049 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1050 &lsa6); 1051 #endif 1052 memcpy(ss, sa, sa->sa_len); 1053 return (0); 1054 } 1055 1056 1057 1058 /* 1059 * NOTE: assumes addr lock is held 1060 */ 1061 static size_t 1062 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1063 struct sctp_tcb *stcb, 1064 size_t limit, 1065 struct sockaddr_storage *sas, 1066 uint32_t vrf_id) 1067 { 1068 struct sctp_ifn *sctp_ifn; 1069 struct sctp_ifa *sctp_ifa; 1070 size_t actual; 1071 int loopback_scope; 1072 1073 #if defined(INET) 1074 int ipv4_local_scope, ipv4_addr_legal; 1075 1076 #endif 1077 #if defined(INET6) 1078 int local_scope, site_scope, ipv6_addr_legal; 1079 1080 #endif 1081 struct sctp_vrf *vrf; 1082 1083 actual = 0; 1084 if (limit <= 0) 1085 return (actual); 1086 1087 if (stcb) { 1088 /* Turn on all the appropriate scope */ 1089 loopback_scope = stcb->asoc.scope.loopback_scope; 1090 #if defined(INET) 1091 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1092 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1093 #endif 1094 #if defined(INET6) 1095 local_scope = stcb->asoc.scope.local_scope; 1096 site_scope = stcb->asoc.scope.site_scope; 1097 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1098 #endif 1099 } else { 1100 /* Use generic values for endpoints. */ 1101 loopback_scope = 1; 1102 #if defined(INET) 1103 ipv4_local_scope = 1; 1104 #endif 1105 #if defined(INET6) 1106 local_scope = 1; 1107 site_scope = 1; 1108 #endif 1109 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1110 #if defined(INET6) 1111 ipv6_addr_legal = 1; 1112 #endif 1113 #if defined(INET) 1114 if (SCTP_IPV6_V6ONLY(inp)) { 1115 ipv4_addr_legal = 0; 1116 } else { 1117 ipv4_addr_legal = 1; 1118 } 1119 #endif 1120 } else { 1121 #if defined(INET6) 1122 ipv6_addr_legal = 0; 1123 #endif 1124 #if defined(INET) 1125 ipv4_addr_legal = 1; 1126 #endif 1127 } 1128 } 1129 vrf = sctp_find_vrf(vrf_id); 1130 if (vrf == NULL) { 1131 return (0); 1132 } 1133 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1134 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1135 if ((loopback_scope == 0) && 1136 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1137 /* Skip loopback if loopback_scope not set */ 1138 continue; 1139 } 1140 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1141 if (stcb) { 1142 /* 1143 * For the BOUND-ALL case, the list 1144 * associated with a TCB is Always 1145 * considered a reverse list.. i.e. 1146 * it lists addresses that are NOT 1147 * part of the association. If this 1148 * is one of those we must skip it. 1149 */ 1150 if (sctp_is_addr_restricted(stcb, 1151 sctp_ifa)) { 1152 continue; 1153 } 1154 } 1155 switch (sctp_ifa->address.sa.sa_family) { 1156 #ifdef INET 1157 case AF_INET: 1158 if (ipv4_addr_legal) { 1159 struct sockaddr_in *sin; 1160 1161 sin = &sctp_ifa->address.sin; 1162 if (sin->sin_addr.s_addr == 0) { 1163 /* 1164 * we skip 1165 * unspecifed 1166 * addresses 1167 */ 1168 continue; 1169 } 1170 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1171 &sin->sin_addr) != 0) { 1172 continue; 1173 } 1174 if ((ipv4_local_scope == 0) && 1175 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1176 continue; 1177 } 1178 #ifdef INET6 1179 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1180 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1181 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1182 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1183 actual += sizeof(struct sockaddr_in6); 1184 } else { 1185 #endif 1186 memcpy(sas, sin, sizeof(*sin)); 1187 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1188 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1189 actual += sizeof(*sin); 1190 #ifdef INET6 1191 } 1192 #endif 1193 if (actual >= limit) { 1194 return (actual); 1195 } 1196 } else { 1197 continue; 1198 } 1199 break; 1200 #endif 1201 #ifdef INET6 1202 case AF_INET6: 1203 if (ipv6_addr_legal) { 1204 struct sockaddr_in6 *sin6; 1205 1206 sin6 = &sctp_ifa->address.sin6; 1207 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1208 /* 1209 * we skip 1210 * unspecifed 1211 * addresses 1212 */ 1213 continue; 1214 } 1215 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1216 &sin6->sin6_addr) != 0) { 1217 continue; 1218 } 1219 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1220 if (local_scope == 0) 1221 continue; 1222 if (sin6->sin6_scope_id == 0) { 1223 if (sa6_recoverscope(sin6) != 0) 1224 /* 1225 * 1226 * bad 1227 * 1228 * li 1229 * nk 1230 * 1231 * loc 1232 * al 1233 * 1234 * add 1235 * re 1236 * ss 1237 * */ 1238 continue; 1239 } 1240 } 1241 if ((site_scope == 0) && 1242 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1243 continue; 1244 } 1245 memcpy(sas, sin6, sizeof(*sin6)); 1246 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1247 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1248 actual += sizeof(*sin6); 1249 if (actual >= limit) { 1250 return (actual); 1251 } 1252 } else { 1253 continue; 1254 } 1255 break; 1256 #endif 1257 default: 1258 /* TSNH */ 1259 break; 1260 } 1261 } 1262 } 1263 } else { 1264 struct sctp_laddr *laddr; 1265 1266 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1267 if (stcb) { 1268 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1269 continue; 1270 } 1271 } 1272 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1273 continue; 1274 switch (laddr->ifa->address.sa.sa_family) { 1275 #ifdef INET 1276 case AF_INET: 1277 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1278 break; 1279 #endif 1280 #ifdef INET6 1281 case AF_INET6: 1282 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1283 break; 1284 #endif 1285 default: 1286 /* TSNH */ 1287 break; 1288 } 1289 sas = (struct sockaddr_storage *)((caddr_t)sas + 1290 laddr->ifa->address.sa.sa_len); 1291 actual += laddr->ifa->address.sa.sa_len; 1292 if (actual >= limit) { 1293 return (actual); 1294 } 1295 } 1296 } 1297 return (actual); 1298 } 1299 1300 static size_t 1301 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1302 struct sctp_tcb *stcb, 1303 size_t limit, 1304 struct sockaddr_storage *sas) 1305 { 1306 size_t size = 0; 1307 1308 SCTP_IPI_ADDR_RLOCK(); 1309 /* fill up addresses for the endpoint's default vrf */ 1310 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1311 inp->def_vrf_id); 1312 SCTP_IPI_ADDR_RUNLOCK(); 1313 return (size); 1314 } 1315 1316 /* 1317 * NOTE: assumes addr lock is held 1318 */ 1319 static int 1320 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1321 { 1322 int cnt = 0; 1323 struct sctp_vrf *vrf = NULL; 1324 1325 /* 1326 * In both sub-set bound an bound_all cases we return the MAXIMUM 1327 * number of addresses that you COULD get. In reality the sub-set 1328 * bound may have an exclusion list for a given TCB OR in the 1329 * bound-all case a TCB may NOT include the loopback or other 1330 * addresses as well. 1331 */ 1332 vrf = sctp_find_vrf(vrf_id); 1333 if (vrf == NULL) { 1334 return (0); 1335 } 1336 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1337 struct sctp_ifn *sctp_ifn; 1338 struct sctp_ifa *sctp_ifa; 1339 1340 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1341 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1342 /* Count them if they are the right type */ 1343 switch (sctp_ifa->address.sa.sa_family) { 1344 #ifdef INET 1345 case AF_INET: 1346 #ifdef INET6 1347 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1348 cnt += sizeof(struct sockaddr_in6); 1349 else 1350 cnt += sizeof(struct sockaddr_in); 1351 #else 1352 cnt += sizeof(struct sockaddr_in); 1353 #endif 1354 break; 1355 #endif 1356 #ifdef INET6 1357 case AF_INET6: 1358 cnt += sizeof(struct sockaddr_in6); 1359 break; 1360 #endif 1361 default: 1362 break; 1363 } 1364 } 1365 } 1366 } else { 1367 struct sctp_laddr *laddr; 1368 1369 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1370 switch (laddr->ifa->address.sa.sa_family) { 1371 #ifdef INET 1372 case AF_INET: 1373 #ifdef INET6 1374 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1375 cnt += sizeof(struct sockaddr_in6); 1376 else 1377 cnt += sizeof(struct sockaddr_in); 1378 #else 1379 cnt += sizeof(struct sockaddr_in); 1380 #endif 1381 break; 1382 #endif 1383 #ifdef INET6 1384 case AF_INET6: 1385 cnt += sizeof(struct sockaddr_in6); 1386 break; 1387 #endif 1388 default: 1389 break; 1390 } 1391 } 1392 } 1393 return (cnt); 1394 } 1395 1396 static int 1397 sctp_count_max_addresses(struct sctp_inpcb *inp) 1398 { 1399 int cnt = 0; 1400 1401 SCTP_IPI_ADDR_RLOCK(); 1402 /* count addresses for the endpoint's default VRF */ 1403 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1404 SCTP_IPI_ADDR_RUNLOCK(); 1405 return (cnt); 1406 } 1407 1408 static int 1409 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1410 size_t optsize, void *p, int delay) 1411 { 1412 int error = 0; 1413 int creat_lock_on = 0; 1414 struct sctp_tcb *stcb = NULL; 1415 struct sockaddr *sa; 1416 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1417 uint32_t vrf_id; 1418 int bad_addresses = 0; 1419 sctp_assoc_t *a_id; 1420 1421 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1422 1423 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1424 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1425 /* We are already connected AND the TCP model */ 1426 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1427 return (EADDRINUSE); 1428 } 1429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1430 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1431 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1432 return (EINVAL); 1433 } 1434 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1435 SCTP_INP_RLOCK(inp); 1436 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1437 SCTP_INP_RUNLOCK(inp); 1438 } 1439 if (stcb) { 1440 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1441 return (EALREADY); 1442 } 1443 SCTP_INP_INCR_REF(inp); 1444 SCTP_ASOC_CREATE_LOCK(inp); 1445 creat_lock_on = 1; 1446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1447 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1448 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1449 error = EFAULT; 1450 goto out_now; 1451 } 1452 totaddrp = (unsigned int *)optval; 1453 totaddr = *totaddrp; 1454 sa = (struct sockaddr *)(totaddrp + 1); 1455 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1456 if ((stcb != NULL) || bad_addresses) { 1457 /* Already have or am bring up an association */ 1458 SCTP_ASOC_CREATE_UNLOCK(inp); 1459 creat_lock_on = 0; 1460 if (stcb) 1461 SCTP_TCB_UNLOCK(stcb); 1462 if (bad_addresses == 0) { 1463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1464 error = EALREADY; 1465 } 1466 goto out_now; 1467 } 1468 #ifdef INET6 1469 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1470 (num_v6 > 0)) { 1471 error = EINVAL; 1472 goto out_now; 1473 } 1474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1475 (num_v4 > 0)) { 1476 struct in6pcb *inp6; 1477 1478 inp6 = (struct in6pcb *)inp; 1479 if (SCTP_IPV6_V6ONLY(inp6)) { 1480 /* 1481 * if IPV6_V6ONLY flag, ignore connections destined 1482 * to a v4 addr or v4-mapped addr 1483 */ 1484 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1485 error = EINVAL; 1486 goto out_now; 1487 } 1488 } 1489 #endif /* INET6 */ 1490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1491 SCTP_PCB_FLAGS_UNBOUND) { 1492 /* Bind a ephemeral port */ 1493 error = sctp_inpcb_bind(so, NULL, NULL, p); 1494 if (error) { 1495 goto out_now; 1496 } 1497 } 1498 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1499 vrf_id = inp->def_vrf_id; 1500 1501 1502 /* We are GOOD to go */ 1503 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1504 inp->sctp_ep.pre_open_stream_count, 1505 (struct thread *)p 1506 ); 1507 if (stcb == NULL) { 1508 /* Gak! no memory */ 1509 goto out_now; 1510 } 1511 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1512 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1513 /* Set the connected flag so we can queue data */ 1514 soisconnecting(so); 1515 } 1516 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1517 /* move to second address */ 1518 switch (sa->sa_family) { 1519 #ifdef INET 1520 case AF_INET: 1521 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1522 break; 1523 #endif 1524 #ifdef INET6 1525 case AF_INET6: 1526 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1527 break; 1528 #endif 1529 default: 1530 break; 1531 } 1532 1533 error = 0; 1534 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1535 /* Fill in the return id */ 1536 if (error) { 1537 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1538 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1539 goto out_now; 1540 } 1541 a_id = (sctp_assoc_t *) optval; 1542 *a_id = sctp_get_associd(stcb); 1543 1544 /* initialize authentication parameters for the assoc */ 1545 sctp_initialize_auth_params(inp, stcb); 1546 1547 if (delay) { 1548 /* doing delayed connection */ 1549 stcb->asoc.delayed_connection = 1; 1550 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1551 } else { 1552 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1553 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1554 } 1555 SCTP_TCB_UNLOCK(stcb); 1556 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1557 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1558 /* Set the connected flag so we can queue data */ 1559 soisconnecting(so); 1560 } 1561 out_now: 1562 if (creat_lock_on) { 1563 SCTP_ASOC_CREATE_UNLOCK(inp); 1564 } 1565 SCTP_INP_DECR_REF(inp); 1566 return (error); 1567 } 1568 1569 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1572 SCTP_INP_RLOCK(inp); \ 1573 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1574 if (stcb) { \ 1575 SCTP_TCB_LOCK(stcb); \ 1576 } \ 1577 SCTP_INP_RUNLOCK(inp); \ 1578 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1579 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1580 if (stcb == NULL) { \ 1581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1582 error = ENOENT; \ 1583 break; \ 1584 } \ 1585 } else { \ 1586 stcb = NULL; \ 1587 } \ 1588 } 1589 1590 1591 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1592 if (size < sizeof(type)) { \ 1593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1594 error = EINVAL; \ 1595 break; \ 1596 } else { \ 1597 destp = (type *)srcp; \ 1598 } \ 1599 } 1600 1601 static int 1602 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1603 void *p) 1604 { 1605 struct sctp_inpcb *inp = NULL; 1606 int error, val = 0; 1607 struct sctp_tcb *stcb = NULL; 1608 1609 if (optval == NULL) { 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1611 return (EINVAL); 1612 } 1613 inp = (struct sctp_inpcb *)so->so_pcb; 1614 if (inp == NULL) { 1615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1616 return EINVAL; 1617 } 1618 error = 0; 1619 1620 switch (optname) { 1621 case SCTP_NODELAY: 1622 case SCTP_AUTOCLOSE: 1623 case SCTP_EXPLICIT_EOR: 1624 case SCTP_AUTO_ASCONF: 1625 case SCTP_DISABLE_FRAGMENTS: 1626 case SCTP_I_WANT_MAPPED_V4_ADDR: 1627 case SCTP_USE_EXT_RCVINFO: 1628 SCTP_INP_RLOCK(inp); 1629 switch (optname) { 1630 case SCTP_DISABLE_FRAGMENTS: 1631 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1632 break; 1633 case SCTP_I_WANT_MAPPED_V4_ADDR: 1634 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1635 break; 1636 case SCTP_AUTO_ASCONF: 1637 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1638 /* only valid for bound all sockets */ 1639 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1640 } else { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 error = EINVAL; 1643 goto flags_out; 1644 } 1645 break; 1646 case SCTP_EXPLICIT_EOR: 1647 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1648 break; 1649 case SCTP_NODELAY: 1650 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1651 break; 1652 case SCTP_USE_EXT_RCVINFO: 1653 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1654 break; 1655 case SCTP_AUTOCLOSE: 1656 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1657 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1658 else 1659 val = 0; 1660 break; 1661 1662 default: 1663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1664 error = ENOPROTOOPT; 1665 } /* end switch (sopt->sopt_name) */ 1666 if (*optsize < sizeof(val)) { 1667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1668 error = EINVAL; 1669 } 1670 flags_out: 1671 SCTP_INP_RUNLOCK(inp); 1672 if (error == 0) { 1673 /* return the option value */ 1674 *(int *)optval = val; 1675 *optsize = sizeof(val); 1676 } 1677 break; 1678 case SCTP_GET_PACKET_LOG: 1679 { 1680 #ifdef SCTP_PACKET_LOGGING 1681 uint8_t *target; 1682 int ret; 1683 1684 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1685 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1686 *optsize = ret; 1687 #else 1688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1689 error = EOPNOTSUPP; 1690 #endif 1691 break; 1692 } 1693 case SCTP_REUSE_PORT: 1694 { 1695 uint32_t *value; 1696 1697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1698 /* Can't do this for a 1-m socket */ 1699 error = EINVAL; 1700 break; 1701 } 1702 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1703 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1704 *optsize = sizeof(uint32_t); 1705 break; 1706 } 1707 case SCTP_PARTIAL_DELIVERY_POINT: 1708 { 1709 uint32_t *value; 1710 1711 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1712 *value = inp->partial_delivery_point; 1713 *optsize = sizeof(uint32_t); 1714 break; 1715 } 1716 case SCTP_FRAGMENT_INTERLEAVE: 1717 { 1718 uint32_t *value; 1719 1720 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1721 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1722 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1723 *value = SCTP_FRAG_LEVEL_2; 1724 } else { 1725 *value = SCTP_FRAG_LEVEL_1; 1726 } 1727 } else { 1728 *value = SCTP_FRAG_LEVEL_0; 1729 } 1730 *optsize = sizeof(uint32_t); 1731 break; 1732 } 1733 case SCTP_INTERLEAVING_SUPPORTED: 1734 { 1735 struct sctp_assoc_value *av; 1736 1737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1739 1740 if (stcb) { 1741 av->assoc_value = stcb->asoc.idata_supported; 1742 SCTP_TCB_UNLOCK(stcb); 1743 } else { 1744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1746 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1747 SCTP_INP_RLOCK(inp); 1748 if (inp->idata_supported) { 1749 av->assoc_value = 1; 1750 } else { 1751 av->assoc_value = 0; 1752 } 1753 SCTP_INP_RUNLOCK(inp); 1754 } else { 1755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1756 error = EINVAL; 1757 } 1758 } 1759 if (error == 0) { 1760 *optsize = sizeof(struct sctp_assoc_value); 1761 } 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 SCTP_INP_RLOCK(inp); 1918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1920 /* Can't do this for a 1-1 socket */ 1921 error = EINVAL; 1922 SCTP_INP_RUNLOCK(inp); 1923 break; 1924 } 1925 cnt = 0; 1926 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1927 cnt++; 1928 } 1929 SCTP_INP_RUNLOCK(inp); 1930 *value = cnt; 1931 *optsize = sizeof(uint32_t); 1932 break; 1933 } 1934 case SCTP_GET_ASSOC_ID_LIST: 1935 { 1936 struct sctp_assoc_ids *ids; 1937 uint32_t at; 1938 size_t limit; 1939 1940 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1941 SCTP_INP_RLOCK(inp); 1942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1944 /* Can't do this for a 1-1 socket */ 1945 error = EINVAL; 1946 SCTP_INP_RUNLOCK(inp); 1947 break; 1948 } 1949 at = 0; 1950 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1951 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1952 if (at < limit) { 1953 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1954 if (at == 0) { 1955 error = EINVAL; 1956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1957 break; 1958 } 1959 } else { 1960 error = EINVAL; 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1962 break; 1963 } 1964 } 1965 SCTP_INP_RUNLOCK(inp); 1966 if (error == 0) { 1967 ids->gaids_number_of_ids = at; 1968 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1969 } 1970 break; 1971 } 1972 case SCTP_CONTEXT: 1973 { 1974 struct sctp_assoc_value *av; 1975 1976 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1977 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1978 1979 if (stcb) { 1980 av->assoc_value = stcb->asoc.context; 1981 SCTP_TCB_UNLOCK(stcb); 1982 } else { 1983 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1984 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1985 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1986 SCTP_INP_RLOCK(inp); 1987 av->assoc_value = inp->sctp_context; 1988 SCTP_INP_RUNLOCK(inp); 1989 } else { 1990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1991 error = EINVAL; 1992 } 1993 } 1994 if (error == 0) { 1995 *optsize = sizeof(struct sctp_assoc_value); 1996 } 1997 break; 1998 } 1999 case SCTP_VRF_ID: 2000 { 2001 uint32_t *default_vrfid; 2002 2003 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 2004 *default_vrfid = inp->def_vrf_id; 2005 *optsize = sizeof(uint32_t); 2006 break; 2007 } 2008 case SCTP_GET_ASOC_VRF: 2009 { 2010 struct sctp_assoc_value *id; 2011 2012 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 2013 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 2014 if (stcb == NULL) { 2015 error = EINVAL; 2016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2017 } else { 2018 id->assoc_value = stcb->asoc.vrf_id; 2019 *optsize = sizeof(struct sctp_assoc_value); 2020 } 2021 break; 2022 } 2023 case SCTP_GET_VRF_IDS: 2024 { 2025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2026 error = EOPNOTSUPP; 2027 break; 2028 } 2029 case SCTP_GET_NONCE_VALUES: 2030 { 2031 struct sctp_get_nonce_values *gnv; 2032 2033 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2034 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2035 2036 if (stcb) { 2037 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2038 gnv->gn_local_tag = stcb->asoc.my_vtag; 2039 SCTP_TCB_UNLOCK(stcb); 2040 *optsize = sizeof(struct sctp_get_nonce_values); 2041 } else { 2042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2043 error = ENOTCONN; 2044 } 2045 break; 2046 } 2047 case SCTP_DELAYED_SACK: 2048 { 2049 struct sctp_sack_info *sack; 2050 2051 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2052 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2053 if (stcb) { 2054 sack->sack_delay = stcb->asoc.delayed_ack; 2055 sack->sack_freq = stcb->asoc.sack_freq; 2056 SCTP_TCB_UNLOCK(stcb); 2057 } else { 2058 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2059 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2060 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2061 SCTP_INP_RLOCK(inp); 2062 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2063 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2064 SCTP_INP_RUNLOCK(inp); 2065 } else { 2066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2067 error = EINVAL; 2068 } 2069 } 2070 if (error == 0) { 2071 *optsize = sizeof(struct sctp_sack_info); 2072 } 2073 break; 2074 } 2075 case SCTP_GET_SNDBUF_USE: 2076 { 2077 struct sctp_sockstat *ss; 2078 2079 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2080 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2081 2082 if (stcb) { 2083 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2084 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2085 stcb->asoc.size_on_all_streams); 2086 SCTP_TCB_UNLOCK(stcb); 2087 *optsize = sizeof(struct sctp_sockstat); 2088 } else { 2089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2090 error = ENOTCONN; 2091 } 2092 break; 2093 } 2094 case SCTP_MAX_BURST: 2095 { 2096 struct sctp_assoc_value *av; 2097 2098 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2099 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2100 2101 if (stcb) { 2102 av->assoc_value = stcb->asoc.max_burst; 2103 SCTP_TCB_UNLOCK(stcb); 2104 } else { 2105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2107 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2108 SCTP_INP_RLOCK(inp); 2109 av->assoc_value = inp->sctp_ep.max_burst; 2110 SCTP_INP_RUNLOCK(inp); 2111 } else { 2112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2113 error = EINVAL; 2114 } 2115 } 2116 if (error == 0) { 2117 *optsize = sizeof(struct sctp_assoc_value); 2118 } 2119 break; 2120 } 2121 case SCTP_MAXSEG: 2122 { 2123 struct sctp_assoc_value *av; 2124 int ovh; 2125 2126 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2127 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2128 2129 if (stcb) { 2130 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2131 SCTP_TCB_UNLOCK(stcb); 2132 } else { 2133 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2134 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2135 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2136 SCTP_INP_RLOCK(inp); 2137 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2138 ovh = SCTP_MED_OVERHEAD; 2139 } else { 2140 ovh = SCTP_MED_V4_OVERHEAD; 2141 } 2142 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2143 av->assoc_value = 0; 2144 else 2145 av->assoc_value = inp->sctp_frag_point - ovh; 2146 SCTP_INP_RUNLOCK(inp); 2147 } else { 2148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2149 error = EINVAL; 2150 } 2151 } 2152 if (error == 0) { 2153 *optsize = sizeof(struct sctp_assoc_value); 2154 } 2155 break; 2156 } 2157 case SCTP_GET_STAT_LOG: 2158 error = sctp_fill_stat_log(optval, optsize); 2159 break; 2160 case SCTP_EVENTS: 2161 { 2162 struct sctp_event_subscribe *events; 2163 2164 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2165 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2166 SCTP_INP_RLOCK(inp); 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2168 events->sctp_data_io_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2171 events->sctp_association_event = 1; 2172 2173 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2174 events->sctp_address_event = 1; 2175 2176 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2177 events->sctp_send_failure_event = 1; 2178 2179 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2180 events->sctp_peer_error_event = 1; 2181 2182 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2183 events->sctp_shutdown_event = 1; 2184 2185 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2186 events->sctp_partial_delivery_event = 1; 2187 2188 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2189 events->sctp_adaptation_layer_event = 1; 2190 2191 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2192 events->sctp_authentication_event = 1; 2193 2194 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2195 events->sctp_sender_dry_event = 1; 2196 2197 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2198 events->sctp_stream_reset_event = 1; 2199 SCTP_INP_RUNLOCK(inp); 2200 *optsize = sizeof(struct sctp_event_subscribe); 2201 break; 2202 } 2203 case SCTP_ADAPTATION_LAYER: 2204 { 2205 uint32_t *value; 2206 2207 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2208 2209 SCTP_INP_RLOCK(inp); 2210 *value = inp->sctp_ep.adaptation_layer_indicator; 2211 SCTP_INP_RUNLOCK(inp); 2212 *optsize = sizeof(uint32_t); 2213 break; 2214 } 2215 case SCTP_SET_INITIAL_DBG_SEQ: 2216 { 2217 uint32_t *value; 2218 2219 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2220 SCTP_INP_RLOCK(inp); 2221 *value = inp->sctp_ep.initial_sequence_debug; 2222 SCTP_INP_RUNLOCK(inp); 2223 *optsize = sizeof(uint32_t); 2224 break; 2225 } 2226 case SCTP_GET_LOCAL_ADDR_SIZE: 2227 { 2228 uint32_t *value; 2229 2230 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2231 SCTP_INP_RLOCK(inp); 2232 *value = sctp_count_max_addresses(inp); 2233 SCTP_INP_RUNLOCK(inp); 2234 *optsize = sizeof(uint32_t); 2235 break; 2236 } 2237 case SCTP_GET_REMOTE_ADDR_SIZE: 2238 { 2239 uint32_t *value; 2240 size_t size; 2241 struct sctp_nets *net; 2242 2243 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2244 /* FIXME MT: change to sctp_assoc_value? */ 2245 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2246 2247 if (stcb) { 2248 size = 0; 2249 /* Count the sizes */ 2250 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2251 switch (net->ro._l_addr.sa.sa_family) { 2252 #ifdef INET 2253 case AF_INET: 2254 #ifdef INET6 2255 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2256 size += sizeof(struct sockaddr_in6); 2257 } else { 2258 size += sizeof(struct sockaddr_in); 2259 } 2260 #else 2261 size += sizeof(struct sockaddr_in); 2262 #endif 2263 break; 2264 #endif 2265 #ifdef INET6 2266 case AF_INET6: 2267 size += sizeof(struct sockaddr_in6); 2268 break; 2269 #endif 2270 default: 2271 break; 2272 } 2273 } 2274 SCTP_TCB_UNLOCK(stcb); 2275 *value = (uint32_t) size; 2276 *optsize = sizeof(uint32_t); 2277 } else { 2278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2279 error = ENOTCONN; 2280 } 2281 break; 2282 } 2283 case SCTP_GET_PEER_ADDRESSES: 2284 /* 2285 * Get the address information, an array is passed in to 2286 * fill up we pack it. 2287 */ 2288 { 2289 size_t cpsz, left; 2290 struct sockaddr_storage *sas; 2291 struct sctp_nets *net; 2292 struct sctp_getaddresses *saddr; 2293 2294 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2295 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2296 2297 if (stcb) { 2298 left = (*optsize) - sizeof(struct sctp_getaddresses); 2299 *optsize = sizeof(struct sctp_getaddresses); 2300 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2301 2302 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2303 switch (net->ro._l_addr.sa.sa_family) { 2304 #ifdef INET 2305 case AF_INET: 2306 #ifdef INET6 2307 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2308 cpsz = sizeof(struct sockaddr_in6); 2309 } else { 2310 cpsz = sizeof(struct sockaddr_in); 2311 } 2312 #else 2313 cpsz = sizeof(struct sockaddr_in); 2314 #endif 2315 break; 2316 #endif 2317 #ifdef INET6 2318 case AF_INET6: 2319 cpsz = sizeof(struct sockaddr_in6); 2320 break; 2321 #endif 2322 default: 2323 cpsz = 0; 2324 break; 2325 } 2326 if (cpsz == 0) { 2327 break; 2328 } 2329 if (left < cpsz) { 2330 /* not enough room. */ 2331 break; 2332 } 2333 #if defined(INET) && defined(INET6) 2334 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2335 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2336 /* Must map the address */ 2337 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2338 (struct sockaddr_in6 *)sas); 2339 } else { 2340 memcpy(sas, &net->ro._l_addr, cpsz); 2341 } 2342 #else 2343 memcpy(sas, &net->ro._l_addr, cpsz); 2344 #endif 2345 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2346 2347 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2348 left -= cpsz; 2349 *optsize += cpsz; 2350 } 2351 SCTP_TCB_UNLOCK(stcb); 2352 } else { 2353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2354 error = ENOENT; 2355 } 2356 break; 2357 } 2358 case SCTP_GET_LOCAL_ADDRESSES: 2359 { 2360 size_t limit, actual; 2361 struct sockaddr_storage *sas; 2362 struct sctp_getaddresses *saddr; 2363 2364 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2365 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2366 2367 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2368 limit = *optsize - sizeof(sctp_assoc_t); 2369 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2370 if (stcb) { 2371 SCTP_TCB_UNLOCK(stcb); 2372 } 2373 *optsize = sizeof(struct sockaddr_storage) + actual; 2374 break; 2375 } 2376 case SCTP_PEER_ADDR_PARAMS: 2377 { 2378 struct sctp_paddrparams *paddrp; 2379 struct sctp_nets *net; 2380 struct sockaddr *addr; 2381 2382 #if defined(INET) && defined(INET6) 2383 struct sockaddr_in sin_store; 2384 2385 #endif 2386 2387 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2388 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2389 2390 #if defined(INET) && defined(INET6) 2391 if (paddrp->spp_address.ss_family == AF_INET6) { 2392 struct sockaddr_in6 *sin6; 2393 2394 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2395 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2396 in6_sin6_2_sin(&sin_store, sin6); 2397 addr = (struct sockaddr *)&sin_store; 2398 } else { 2399 addr = (struct sockaddr *)&paddrp->spp_address; 2400 } 2401 } else { 2402 addr = (struct sockaddr *)&paddrp->spp_address; 2403 } 2404 #else 2405 addr = (struct sockaddr *)&paddrp->spp_address; 2406 #endif 2407 if (stcb != NULL) { 2408 net = sctp_findnet(stcb, addr); 2409 } else { 2410 /* 2411 * We increment here since 2412 * sctp_findassociation_ep_addr() wil do a 2413 * decrement if it finds the stcb as long as 2414 * the locked tcb (last argument) is NOT a 2415 * TCB.. aka NULL. 2416 */ 2417 net = NULL; 2418 SCTP_INP_INCR_REF(inp); 2419 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2420 if (stcb == NULL) { 2421 SCTP_INP_DECR_REF(inp); 2422 } 2423 } 2424 if ((stcb != NULL) && (net == NULL)) { 2425 #ifdef INET 2426 if (addr->sa_family == AF_INET) { 2427 struct sockaddr_in *sin; 2428 2429 sin = (struct sockaddr_in *)addr; 2430 if (sin->sin_addr.s_addr != INADDR_ANY) { 2431 error = EINVAL; 2432 SCTP_TCB_UNLOCK(stcb); 2433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2434 break; 2435 } 2436 } else 2437 #endif 2438 #ifdef INET6 2439 if (addr->sa_family == AF_INET6) { 2440 struct sockaddr_in6 *sin6; 2441 2442 sin6 = (struct sockaddr_in6 *)addr; 2443 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2444 error = EINVAL; 2445 SCTP_TCB_UNLOCK(stcb); 2446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2447 break; 2448 } 2449 } else 2450 #endif 2451 { 2452 error = EAFNOSUPPORT; 2453 SCTP_TCB_UNLOCK(stcb); 2454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2455 break; 2456 } 2457 } 2458 if (stcb != NULL) { 2459 /* Applies to the specific association */ 2460 paddrp->spp_flags = 0; 2461 if (net != NULL) { 2462 paddrp->spp_hbinterval = net->heart_beat_delay; 2463 paddrp->spp_pathmaxrxt = net->failure_threshold; 2464 paddrp->spp_pathmtu = net->mtu; 2465 switch (net->ro._l_addr.sa.sa_family) { 2466 #ifdef INET 2467 case AF_INET: 2468 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2469 break; 2470 #endif 2471 #ifdef INET6 2472 case AF_INET6: 2473 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2474 break; 2475 #endif 2476 default: 2477 break; 2478 } 2479 /* get flags for HB */ 2480 if (net->dest_state & SCTP_ADDR_NOHB) { 2481 paddrp->spp_flags |= SPP_HB_DISABLE; 2482 } else { 2483 paddrp->spp_flags |= SPP_HB_ENABLE; 2484 } 2485 /* get flags for PMTU */ 2486 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2487 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2488 } else { 2489 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2490 } 2491 if (net->dscp & 0x01) { 2492 paddrp->spp_dscp = net->dscp & 0xfc; 2493 paddrp->spp_flags |= SPP_DSCP; 2494 } 2495 #ifdef INET6 2496 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2497 (net->flowlabel & 0x80000000)) { 2498 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2499 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2500 } 2501 #endif 2502 } else { 2503 /* 2504 * No destination so return default 2505 * value 2506 */ 2507 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2508 paddrp->spp_pathmtu = 0; 2509 if (stcb->asoc.default_dscp & 0x01) { 2510 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2511 paddrp->spp_flags |= SPP_DSCP; 2512 } 2513 #ifdef INET6 2514 if (stcb->asoc.default_flowlabel & 0x80000000) { 2515 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2516 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2517 } 2518 #endif 2519 /* default settings should be these */ 2520 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2521 paddrp->spp_flags |= SPP_HB_DISABLE; 2522 } else { 2523 paddrp->spp_flags |= SPP_HB_ENABLE; 2524 } 2525 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2526 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2527 } else { 2528 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2529 } 2530 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2531 } 2532 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2533 SCTP_TCB_UNLOCK(stcb); 2534 } else { 2535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2537 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2538 /* Use endpoint defaults */ 2539 SCTP_INP_RLOCK(inp); 2540 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2541 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2542 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2543 /* get inp's default */ 2544 if (inp->sctp_ep.default_dscp & 0x01) { 2545 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2546 paddrp->spp_flags |= SPP_DSCP; 2547 } 2548 #ifdef INET6 2549 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2550 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2551 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2552 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2553 } 2554 #endif 2555 /* can't return this */ 2556 paddrp->spp_pathmtu = 0; 2557 2558 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2559 paddrp->spp_flags |= SPP_HB_ENABLE; 2560 } else { 2561 paddrp->spp_flags |= SPP_HB_DISABLE; 2562 } 2563 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2564 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2565 } else { 2566 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2567 } 2568 SCTP_INP_RUNLOCK(inp); 2569 } else { 2570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2571 error = EINVAL; 2572 } 2573 } 2574 if (error == 0) { 2575 *optsize = sizeof(struct sctp_paddrparams); 2576 } 2577 break; 2578 } 2579 case SCTP_GET_PEER_ADDR_INFO: 2580 { 2581 struct sctp_paddrinfo *paddri; 2582 struct sctp_nets *net; 2583 struct sockaddr *addr; 2584 2585 #if defined(INET) && defined(INET6) 2586 struct sockaddr_in sin_store; 2587 2588 #endif 2589 2590 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2591 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2592 2593 #if defined(INET) && defined(INET6) 2594 if (paddri->spinfo_address.ss_family == AF_INET6) { 2595 struct sockaddr_in6 *sin6; 2596 2597 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2598 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2599 in6_sin6_2_sin(&sin_store, sin6); 2600 addr = (struct sockaddr *)&sin_store; 2601 } else { 2602 addr = (struct sockaddr *)&paddri->spinfo_address; 2603 } 2604 } else { 2605 addr = (struct sockaddr *)&paddri->spinfo_address; 2606 } 2607 #else 2608 addr = (struct sockaddr *)&paddri->spinfo_address; 2609 #endif 2610 if (stcb != NULL) { 2611 net = sctp_findnet(stcb, addr); 2612 } else { 2613 /* 2614 * We increment here since 2615 * sctp_findassociation_ep_addr() wil do a 2616 * decrement if it finds the stcb as long as 2617 * the locked tcb (last argument) is NOT a 2618 * TCB.. aka NULL. 2619 */ 2620 net = NULL; 2621 SCTP_INP_INCR_REF(inp); 2622 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2623 if (stcb == NULL) { 2624 SCTP_INP_DECR_REF(inp); 2625 } 2626 } 2627 2628 if ((stcb != NULL) && (net != NULL)) { 2629 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2630 /* It's unconfirmed */ 2631 paddri->spinfo_state = SCTP_UNCONFIRMED; 2632 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2633 /* It's active */ 2634 paddri->spinfo_state = SCTP_ACTIVE; 2635 } else { 2636 /* It's inactive */ 2637 paddri->spinfo_state = SCTP_INACTIVE; 2638 } 2639 paddri->spinfo_cwnd = net->cwnd; 2640 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2641 paddri->spinfo_rto = net->RTO; 2642 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2643 paddri->spinfo_mtu = net->mtu; 2644 switch (addr->sa_family) { 2645 #if defined(INET) 2646 case AF_INET: 2647 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2648 break; 2649 #endif 2650 #if defined(INET6) 2651 case AF_INET6: 2652 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2653 break; 2654 #endif 2655 default: 2656 break; 2657 } 2658 SCTP_TCB_UNLOCK(stcb); 2659 *optsize = sizeof(struct sctp_paddrinfo); 2660 } else { 2661 if (stcb != NULL) { 2662 SCTP_TCB_UNLOCK(stcb); 2663 } 2664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2665 error = ENOENT; 2666 } 2667 break; 2668 } 2669 case SCTP_PCB_STATUS: 2670 { 2671 struct sctp_pcbinfo *spcb; 2672 2673 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2674 sctp_fill_pcbinfo(spcb); 2675 *optsize = sizeof(struct sctp_pcbinfo); 2676 break; 2677 } 2678 case SCTP_STATUS: 2679 { 2680 struct sctp_nets *net; 2681 struct sctp_status *sstat; 2682 2683 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2684 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2685 2686 if (stcb == NULL) { 2687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2688 error = EINVAL; 2689 break; 2690 } 2691 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2692 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2693 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2694 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2695 /* 2696 * We can't include chunks that have been passed to 2697 * the socket layer. Only things in queue. 2698 */ 2699 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2700 stcb->asoc.cnt_on_all_streams); 2701 2702 2703 sstat->sstat_instrms = stcb->asoc.streamincnt; 2704 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2705 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2706 memcpy(&sstat->sstat_primary.spinfo_address, 2707 &stcb->asoc.primary_destination->ro._l_addr, 2708 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2709 net = stcb->asoc.primary_destination; 2710 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2711 /* 2712 * Again the user can get info from sctp_constants.h 2713 * for what the state of the network is. 2714 */ 2715 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2716 /* It's unconfirmed */ 2717 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2718 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2719 /* It's active */ 2720 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2721 } else { 2722 /* It's inactive */ 2723 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2724 } 2725 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2726 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2727 sstat->sstat_primary.spinfo_rto = net->RTO; 2728 sstat->sstat_primary.spinfo_mtu = net->mtu; 2729 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2730 #if defined(INET) 2731 case AF_INET: 2732 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2733 break; 2734 #endif 2735 #if defined(INET6) 2736 case AF_INET6: 2737 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2738 break; 2739 #endif 2740 default: 2741 break; 2742 } 2743 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2744 SCTP_TCB_UNLOCK(stcb); 2745 *optsize = sizeof(struct sctp_status); 2746 break; 2747 } 2748 case SCTP_RTOINFO: 2749 { 2750 struct sctp_rtoinfo *srto; 2751 2752 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2753 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2754 2755 if (stcb) { 2756 srto->srto_initial = stcb->asoc.initial_rto; 2757 srto->srto_max = stcb->asoc.maxrto; 2758 srto->srto_min = stcb->asoc.minrto; 2759 SCTP_TCB_UNLOCK(stcb); 2760 } else { 2761 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2762 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2763 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2764 SCTP_INP_RLOCK(inp); 2765 srto->srto_initial = inp->sctp_ep.initial_rto; 2766 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2767 srto->srto_min = inp->sctp_ep.sctp_minrto; 2768 SCTP_INP_RUNLOCK(inp); 2769 } else { 2770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2771 error = EINVAL; 2772 } 2773 } 2774 if (error == 0) { 2775 *optsize = sizeof(struct sctp_rtoinfo); 2776 } 2777 break; 2778 } 2779 case SCTP_TIMEOUTS: 2780 { 2781 struct sctp_timeouts *stimo; 2782 2783 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2784 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2785 2786 if (stcb) { 2787 stimo->stimo_init = stcb->asoc.timoinit; 2788 stimo->stimo_data = stcb->asoc.timodata; 2789 stimo->stimo_sack = stcb->asoc.timosack; 2790 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2791 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2792 stimo->stimo_cookie = stcb->asoc.timocookie; 2793 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2794 SCTP_TCB_UNLOCK(stcb); 2795 *optsize = sizeof(struct sctp_timeouts); 2796 } else { 2797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2798 error = EINVAL; 2799 } 2800 break; 2801 } 2802 case SCTP_ASSOCINFO: 2803 { 2804 struct sctp_assocparams *sasoc; 2805 2806 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2807 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2808 2809 if (stcb) { 2810 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2811 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2812 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2813 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2814 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2815 SCTP_TCB_UNLOCK(stcb); 2816 } else { 2817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2818 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2819 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2820 SCTP_INP_RLOCK(inp); 2821 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2822 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2823 sasoc->sasoc_number_peer_destinations = 0; 2824 sasoc->sasoc_peer_rwnd = 0; 2825 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2826 SCTP_INP_RUNLOCK(inp); 2827 } else { 2828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2829 error = EINVAL; 2830 } 2831 } 2832 if (error == 0) { 2833 *optsize = sizeof(struct sctp_assocparams); 2834 } 2835 break; 2836 } 2837 case SCTP_DEFAULT_SEND_PARAM: 2838 { 2839 struct sctp_sndrcvinfo *s_info; 2840 2841 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2842 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2843 2844 if (stcb) { 2845 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2846 SCTP_TCB_UNLOCK(stcb); 2847 } else { 2848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2849 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2850 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2851 SCTP_INP_RLOCK(inp); 2852 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2853 SCTP_INP_RUNLOCK(inp); 2854 } else { 2855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2856 error = EINVAL; 2857 } 2858 } 2859 if (error == 0) { 2860 *optsize = sizeof(struct sctp_sndrcvinfo); 2861 } 2862 break; 2863 } 2864 case SCTP_INITMSG: 2865 { 2866 struct sctp_initmsg *sinit; 2867 2868 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2869 SCTP_INP_RLOCK(inp); 2870 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2871 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2872 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2873 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2874 SCTP_INP_RUNLOCK(inp); 2875 *optsize = sizeof(struct sctp_initmsg); 2876 break; 2877 } 2878 case SCTP_PRIMARY_ADDR: 2879 /* we allow a "get" operation on this */ 2880 { 2881 struct sctp_setprim *ssp; 2882 2883 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2884 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2885 2886 if (stcb) { 2887 union sctp_sockstore *addr; 2888 2889 addr = &stcb->asoc.primary_destination->ro._l_addr; 2890 switch (addr->sa.sa_family) { 2891 #ifdef INET 2892 case AF_INET: 2893 #ifdef INET6 2894 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2895 in6_sin_2_v4mapsin6(&addr->sin, 2896 (struct sockaddr_in6 *)&ssp->ssp_addr); 2897 } else { 2898 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2899 } 2900 #else 2901 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2902 #endif 2903 break; 2904 #endif 2905 #ifdef INET6 2906 case AF_INET6: 2907 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2908 break; 2909 #endif 2910 default: 2911 break; 2912 } 2913 SCTP_TCB_UNLOCK(stcb); 2914 *optsize = sizeof(struct sctp_setprim); 2915 } else { 2916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2917 error = EINVAL; 2918 } 2919 break; 2920 } 2921 case SCTP_HMAC_IDENT: 2922 { 2923 struct sctp_hmacalgo *shmac; 2924 sctp_hmaclist_t *hmaclist; 2925 uint32_t size; 2926 int i; 2927 2928 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2929 2930 SCTP_INP_RLOCK(inp); 2931 hmaclist = inp->sctp_ep.local_hmacs; 2932 if (hmaclist == NULL) { 2933 /* no HMACs to return */ 2934 *optsize = sizeof(*shmac); 2935 SCTP_INP_RUNLOCK(inp); 2936 break; 2937 } 2938 /* is there room for all of the hmac ids? */ 2939 size = sizeof(*shmac) + (hmaclist->num_algo * 2940 sizeof(shmac->shmac_idents[0])); 2941 if ((size_t)(*optsize) < size) { 2942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2943 error = EINVAL; 2944 SCTP_INP_RUNLOCK(inp); 2945 break; 2946 } 2947 /* copy in the list */ 2948 shmac->shmac_number_of_idents = hmaclist->num_algo; 2949 for (i = 0; i < hmaclist->num_algo; i++) { 2950 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2951 } 2952 SCTP_INP_RUNLOCK(inp); 2953 *optsize = size; 2954 break; 2955 } 2956 case SCTP_AUTH_ACTIVE_KEY: 2957 { 2958 struct sctp_authkeyid *scact; 2959 2960 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2961 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2962 2963 if (stcb) { 2964 /* get the active key on the assoc */ 2965 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2966 SCTP_TCB_UNLOCK(stcb); 2967 } else { 2968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2969 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2970 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2971 /* get the endpoint active key */ 2972 SCTP_INP_RLOCK(inp); 2973 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2974 SCTP_INP_RUNLOCK(inp); 2975 } else { 2976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2977 error = EINVAL; 2978 } 2979 } 2980 if (error == 0) { 2981 *optsize = sizeof(struct sctp_authkeyid); 2982 } 2983 break; 2984 } 2985 case SCTP_LOCAL_AUTH_CHUNKS: 2986 { 2987 struct sctp_authchunks *sac; 2988 sctp_auth_chklist_t *chklist = NULL; 2989 size_t size = 0; 2990 2991 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2992 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2993 2994 if (stcb) { 2995 /* get off the assoc */ 2996 chklist = stcb->asoc.local_auth_chunks; 2997 /* is there enough space? */ 2998 size = sctp_auth_get_chklist_size(chklist); 2999 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3000 error = EINVAL; 3001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3002 } else { 3003 /* copy in the chunks */ 3004 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3005 sac->gauth_number_of_chunks = (uint32_t) size; 3006 *optsize = sizeof(struct sctp_authchunks) + size; 3007 } 3008 SCTP_TCB_UNLOCK(stcb); 3009 } else { 3010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3011 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3012 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 3013 /* get off the endpoint */ 3014 SCTP_INP_RLOCK(inp); 3015 chklist = inp->sctp_ep.local_auth_chunks; 3016 /* is there enough space? */ 3017 size = sctp_auth_get_chklist_size(chklist); 3018 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3019 error = EINVAL; 3020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3021 } else { 3022 /* copy in the chunks */ 3023 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3024 sac->gauth_number_of_chunks = (uint32_t) size; 3025 *optsize = sizeof(struct sctp_authchunks) + size; 3026 } 3027 SCTP_INP_RUNLOCK(inp); 3028 } else { 3029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3030 error = EINVAL; 3031 } 3032 } 3033 break; 3034 } 3035 case SCTP_PEER_AUTH_CHUNKS: 3036 { 3037 struct sctp_authchunks *sac; 3038 sctp_auth_chklist_t *chklist = NULL; 3039 size_t size = 0; 3040 3041 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3042 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3043 3044 if (stcb) { 3045 /* get off the assoc */ 3046 chklist = stcb->asoc.peer_auth_chunks; 3047 /* is there enough space? */ 3048 size = sctp_auth_get_chklist_size(chklist); 3049 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3050 error = EINVAL; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3052 } else { 3053 /* copy in the chunks */ 3054 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3055 sac->gauth_number_of_chunks = (uint32_t) size; 3056 *optsize = sizeof(struct sctp_authchunks) + size; 3057 } 3058 SCTP_TCB_UNLOCK(stcb); 3059 } else { 3060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3061 error = ENOENT; 3062 } 3063 break; 3064 } 3065 case SCTP_EVENT: 3066 { 3067 struct sctp_event *event; 3068 uint32_t event_type; 3069 3070 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3071 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3072 3073 switch (event->se_type) { 3074 case SCTP_ASSOC_CHANGE: 3075 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3076 break; 3077 case SCTP_PEER_ADDR_CHANGE: 3078 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3079 break; 3080 case SCTP_REMOTE_ERROR: 3081 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3082 break; 3083 case SCTP_SEND_FAILED: 3084 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3085 break; 3086 case SCTP_SHUTDOWN_EVENT: 3087 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3088 break; 3089 case SCTP_ADAPTATION_INDICATION: 3090 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3091 break; 3092 case SCTP_PARTIAL_DELIVERY_EVENT: 3093 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3094 break; 3095 case SCTP_AUTHENTICATION_EVENT: 3096 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3097 break; 3098 case SCTP_STREAM_RESET_EVENT: 3099 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3100 break; 3101 case SCTP_SENDER_DRY_EVENT: 3102 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3103 break; 3104 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3105 event_type = 0; 3106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3107 error = ENOTSUP; 3108 break; 3109 case SCTP_ASSOC_RESET_EVENT: 3110 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3111 break; 3112 case SCTP_STREAM_CHANGE_EVENT: 3113 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3114 break; 3115 case SCTP_SEND_FAILED_EVENT: 3116 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3117 break; 3118 default: 3119 event_type = 0; 3120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3121 error = EINVAL; 3122 break; 3123 } 3124 if (event_type > 0) { 3125 if (stcb) { 3126 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3127 SCTP_TCB_UNLOCK(stcb); 3128 } else { 3129 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3130 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3131 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3132 SCTP_INP_RLOCK(inp); 3133 event->se_on = sctp_is_feature_on(inp, event_type); 3134 SCTP_INP_RUNLOCK(inp); 3135 } else { 3136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3137 error = EINVAL; 3138 } 3139 } 3140 } 3141 if (error == 0) { 3142 *optsize = sizeof(struct sctp_event); 3143 } 3144 break; 3145 } 3146 case SCTP_RECVRCVINFO: 3147 { 3148 int onoff; 3149 3150 if (*optsize < sizeof(int)) { 3151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3152 error = EINVAL; 3153 } else { 3154 SCTP_INP_RLOCK(inp); 3155 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3156 SCTP_INP_RUNLOCK(inp); 3157 } 3158 if (error == 0) { 3159 /* return the option value */ 3160 *(int *)optval = onoff; 3161 *optsize = sizeof(int); 3162 } 3163 break; 3164 } 3165 case SCTP_RECVNXTINFO: 3166 { 3167 int onoff; 3168 3169 if (*optsize < sizeof(int)) { 3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3171 error = EINVAL; 3172 } else { 3173 SCTP_INP_RLOCK(inp); 3174 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3175 SCTP_INP_RUNLOCK(inp); 3176 } 3177 if (error == 0) { 3178 /* return the option value */ 3179 *(int *)optval = onoff; 3180 *optsize = sizeof(int); 3181 } 3182 break; 3183 } 3184 case SCTP_DEFAULT_SNDINFO: 3185 { 3186 struct sctp_sndinfo *info; 3187 3188 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3189 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3190 3191 if (stcb) { 3192 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3193 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3194 info->snd_flags &= 0xfff0; 3195 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3196 info->snd_context = stcb->asoc.def_send.sinfo_context; 3197 SCTP_TCB_UNLOCK(stcb); 3198 } else { 3199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3200 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3201 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3202 SCTP_INP_RLOCK(inp); 3203 info->snd_sid = inp->def_send.sinfo_stream; 3204 info->snd_flags = inp->def_send.sinfo_flags; 3205 info->snd_flags &= 0xfff0; 3206 info->snd_ppid = inp->def_send.sinfo_ppid; 3207 info->snd_context = inp->def_send.sinfo_context; 3208 SCTP_INP_RUNLOCK(inp); 3209 } else { 3210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3211 error = EINVAL; 3212 } 3213 } 3214 if (error == 0) { 3215 *optsize = sizeof(struct sctp_sndinfo); 3216 } 3217 break; 3218 } 3219 case SCTP_DEFAULT_PRINFO: 3220 { 3221 struct sctp_default_prinfo *info; 3222 3223 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3224 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3225 3226 if (stcb) { 3227 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3228 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3229 SCTP_TCB_UNLOCK(stcb); 3230 } else { 3231 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3232 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3233 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3234 SCTP_INP_RLOCK(inp); 3235 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3236 info->pr_value = inp->def_send.sinfo_timetolive; 3237 SCTP_INP_RUNLOCK(inp); 3238 } else { 3239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3240 error = EINVAL; 3241 } 3242 } 3243 if (error == 0) { 3244 *optsize = sizeof(struct sctp_default_prinfo); 3245 } 3246 break; 3247 } 3248 case SCTP_PEER_ADDR_THLDS: 3249 { 3250 struct sctp_paddrthlds *thlds; 3251 struct sctp_nets *net; 3252 struct sockaddr *addr; 3253 3254 #if defined(INET) && defined(INET6) 3255 struct sockaddr_in sin_store; 3256 3257 #endif 3258 3259 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3260 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3261 3262 #if defined(INET) && defined(INET6) 3263 if (thlds->spt_address.ss_family == AF_INET6) { 3264 struct sockaddr_in6 *sin6; 3265 3266 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3267 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3268 in6_sin6_2_sin(&sin_store, sin6); 3269 addr = (struct sockaddr *)&sin_store; 3270 } else { 3271 addr = (struct sockaddr *)&thlds->spt_address; 3272 } 3273 } else { 3274 addr = (struct sockaddr *)&thlds->spt_address; 3275 } 3276 #else 3277 addr = (struct sockaddr *)&thlds->spt_address; 3278 #endif 3279 if (stcb != NULL) { 3280 net = sctp_findnet(stcb, addr); 3281 } else { 3282 /* 3283 * We increment here since 3284 * sctp_findassociation_ep_addr() wil do a 3285 * decrement if it finds the stcb as long as 3286 * the locked tcb (last argument) is NOT a 3287 * TCB.. aka NULL. 3288 */ 3289 net = NULL; 3290 SCTP_INP_INCR_REF(inp); 3291 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3292 if (stcb == NULL) { 3293 SCTP_INP_DECR_REF(inp); 3294 } 3295 } 3296 if ((stcb != NULL) && (net == NULL)) { 3297 #ifdef INET 3298 if (addr->sa_family == AF_INET) { 3299 struct sockaddr_in *sin; 3300 3301 sin = (struct sockaddr_in *)addr; 3302 if (sin->sin_addr.s_addr != INADDR_ANY) { 3303 error = EINVAL; 3304 SCTP_TCB_UNLOCK(stcb); 3305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3306 break; 3307 } 3308 } else 3309 #endif 3310 #ifdef INET6 3311 if (addr->sa_family == AF_INET6) { 3312 struct sockaddr_in6 *sin6; 3313 3314 sin6 = (struct sockaddr_in6 *)addr; 3315 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3316 error = EINVAL; 3317 SCTP_TCB_UNLOCK(stcb); 3318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3319 break; 3320 } 3321 } else 3322 #endif 3323 { 3324 error = EAFNOSUPPORT; 3325 SCTP_TCB_UNLOCK(stcb); 3326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3327 break; 3328 } 3329 } 3330 if (stcb != NULL) { 3331 if (net != NULL) { 3332 thlds->spt_pathmaxrxt = net->failure_threshold; 3333 thlds->spt_pathpfthld = net->pf_threshold; 3334 } else { 3335 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3336 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3337 } 3338 thlds->spt_assoc_id = sctp_get_associd(stcb); 3339 SCTP_TCB_UNLOCK(stcb); 3340 } else { 3341 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3342 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3343 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3344 /* Use endpoint defaults */ 3345 SCTP_INP_RLOCK(inp); 3346 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3347 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3348 SCTP_INP_RUNLOCK(inp); 3349 } else { 3350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3351 error = EINVAL; 3352 } 3353 } 3354 if (error == 0) { 3355 *optsize = sizeof(struct sctp_paddrthlds); 3356 } 3357 break; 3358 } 3359 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3360 { 3361 struct sctp_udpencaps *encaps; 3362 struct sctp_nets *net; 3363 struct sockaddr *addr; 3364 3365 #if defined(INET) && defined(INET6) 3366 struct sockaddr_in sin_store; 3367 3368 #endif 3369 3370 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3371 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3372 3373 #if defined(INET) && defined(INET6) 3374 if (encaps->sue_address.ss_family == AF_INET6) { 3375 struct sockaddr_in6 *sin6; 3376 3377 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3378 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3379 in6_sin6_2_sin(&sin_store, sin6); 3380 addr = (struct sockaddr *)&sin_store; 3381 } else { 3382 addr = (struct sockaddr *)&encaps->sue_address; 3383 } 3384 } else { 3385 addr = (struct sockaddr *)&encaps->sue_address; 3386 } 3387 #else 3388 addr = (struct sockaddr *)&encaps->sue_address; 3389 #endif 3390 if (stcb) { 3391 net = sctp_findnet(stcb, addr); 3392 } else { 3393 /* 3394 * We increment here since 3395 * sctp_findassociation_ep_addr() wil do a 3396 * decrement if it finds the stcb as long as 3397 * the locked tcb (last argument) is NOT a 3398 * TCB.. aka NULL. 3399 */ 3400 net = NULL; 3401 SCTP_INP_INCR_REF(inp); 3402 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3403 if (stcb == NULL) { 3404 SCTP_INP_DECR_REF(inp); 3405 } 3406 } 3407 if ((stcb != NULL) && (net == NULL)) { 3408 #ifdef INET 3409 if (addr->sa_family == AF_INET) { 3410 struct sockaddr_in *sin; 3411 3412 sin = (struct sockaddr_in *)addr; 3413 if (sin->sin_addr.s_addr != INADDR_ANY) { 3414 error = EINVAL; 3415 SCTP_TCB_UNLOCK(stcb); 3416 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3417 break; 3418 } 3419 } else 3420 #endif 3421 #ifdef INET6 3422 if (addr->sa_family == AF_INET6) { 3423 struct sockaddr_in6 *sin6; 3424 3425 sin6 = (struct sockaddr_in6 *)addr; 3426 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3427 error = EINVAL; 3428 SCTP_TCB_UNLOCK(stcb); 3429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3430 break; 3431 } 3432 } else 3433 #endif 3434 { 3435 error = EAFNOSUPPORT; 3436 SCTP_TCB_UNLOCK(stcb); 3437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3438 break; 3439 } 3440 } 3441 if (stcb != NULL) { 3442 if (net) { 3443 encaps->sue_port = net->port; 3444 } else { 3445 encaps->sue_port = stcb->asoc.port; 3446 } 3447 SCTP_TCB_UNLOCK(stcb); 3448 } else { 3449 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3450 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3451 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3452 SCTP_INP_RLOCK(inp); 3453 encaps->sue_port = inp->sctp_ep.port; 3454 SCTP_INP_RUNLOCK(inp); 3455 } else { 3456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3457 error = EINVAL; 3458 } 3459 } 3460 if (error == 0) { 3461 *optsize = sizeof(struct sctp_udpencaps); 3462 } 3463 break; 3464 } 3465 case SCTP_ECN_SUPPORTED: 3466 { 3467 struct sctp_assoc_value *av; 3468 3469 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3470 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3471 3472 if (stcb) { 3473 av->assoc_value = stcb->asoc.ecn_supported; 3474 SCTP_TCB_UNLOCK(stcb); 3475 } else { 3476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3477 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3478 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3479 SCTP_INP_RLOCK(inp); 3480 av->assoc_value = inp->ecn_supported; 3481 SCTP_INP_RUNLOCK(inp); 3482 } else { 3483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3484 error = EINVAL; 3485 } 3486 } 3487 if (error == 0) { 3488 *optsize = sizeof(struct sctp_assoc_value); 3489 } 3490 break; 3491 } 3492 case SCTP_PR_SUPPORTED: 3493 { 3494 struct sctp_assoc_value *av; 3495 3496 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3497 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3498 3499 if (stcb) { 3500 av->assoc_value = stcb->asoc.prsctp_supported; 3501 SCTP_TCB_UNLOCK(stcb); 3502 } else { 3503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3505 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3506 SCTP_INP_RLOCK(inp); 3507 av->assoc_value = inp->prsctp_supported; 3508 SCTP_INP_RUNLOCK(inp); 3509 } else { 3510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3511 error = EINVAL; 3512 } 3513 } 3514 if (error == 0) { 3515 *optsize = sizeof(struct sctp_assoc_value); 3516 } 3517 break; 3518 } 3519 case SCTP_AUTH_SUPPORTED: 3520 { 3521 struct sctp_assoc_value *av; 3522 3523 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3524 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3525 3526 if (stcb) { 3527 av->assoc_value = stcb->asoc.auth_supported; 3528 SCTP_TCB_UNLOCK(stcb); 3529 } else { 3530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3532 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3533 SCTP_INP_RLOCK(inp); 3534 av->assoc_value = inp->auth_supported; 3535 SCTP_INP_RUNLOCK(inp); 3536 } else { 3537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3538 error = EINVAL; 3539 } 3540 } 3541 if (error == 0) { 3542 *optsize = sizeof(struct sctp_assoc_value); 3543 } 3544 break; 3545 } 3546 case SCTP_ASCONF_SUPPORTED: 3547 { 3548 struct sctp_assoc_value *av; 3549 3550 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3551 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3552 3553 if (stcb) { 3554 av->assoc_value = stcb->asoc.asconf_supported; 3555 SCTP_TCB_UNLOCK(stcb); 3556 } else { 3557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3559 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3560 SCTP_INP_RLOCK(inp); 3561 av->assoc_value = inp->asconf_supported; 3562 SCTP_INP_RUNLOCK(inp); 3563 } else { 3564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3565 error = EINVAL; 3566 } 3567 } 3568 if (error == 0) { 3569 *optsize = sizeof(struct sctp_assoc_value); 3570 } 3571 break; 3572 } 3573 case SCTP_RECONFIG_SUPPORTED: 3574 { 3575 struct sctp_assoc_value *av; 3576 3577 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3578 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3579 3580 if (stcb) { 3581 av->assoc_value = stcb->asoc.reconfig_supported; 3582 SCTP_TCB_UNLOCK(stcb); 3583 } else { 3584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3586 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3587 SCTP_INP_RLOCK(inp); 3588 av->assoc_value = inp->reconfig_supported; 3589 SCTP_INP_RUNLOCK(inp); 3590 } else { 3591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3592 error = EINVAL; 3593 } 3594 } 3595 if (error == 0) { 3596 *optsize = sizeof(struct sctp_assoc_value); 3597 } 3598 break; 3599 } 3600 case SCTP_NRSACK_SUPPORTED: 3601 { 3602 struct sctp_assoc_value *av; 3603 3604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3606 3607 if (stcb) { 3608 av->assoc_value = stcb->asoc.nrsack_supported; 3609 SCTP_TCB_UNLOCK(stcb); 3610 } else { 3611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3613 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3614 SCTP_INP_RLOCK(inp); 3615 av->assoc_value = inp->nrsack_supported; 3616 SCTP_INP_RUNLOCK(inp); 3617 } else { 3618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3619 error = EINVAL; 3620 } 3621 } 3622 if (error == 0) { 3623 *optsize = sizeof(struct sctp_assoc_value); 3624 } 3625 break; 3626 } 3627 case SCTP_PKTDROP_SUPPORTED: 3628 { 3629 struct sctp_assoc_value *av; 3630 3631 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3632 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3633 3634 if (stcb) { 3635 av->assoc_value = stcb->asoc.pktdrop_supported; 3636 SCTP_TCB_UNLOCK(stcb); 3637 } else { 3638 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3639 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3640 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3641 SCTP_INP_RLOCK(inp); 3642 av->assoc_value = inp->pktdrop_supported; 3643 SCTP_INP_RUNLOCK(inp); 3644 } else { 3645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3646 error = EINVAL; 3647 } 3648 } 3649 if (error == 0) { 3650 *optsize = sizeof(struct sctp_assoc_value); 3651 } 3652 break; 3653 } 3654 case SCTP_ENABLE_STREAM_RESET: 3655 { 3656 struct sctp_assoc_value *av; 3657 3658 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3659 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3660 3661 if (stcb) { 3662 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3663 SCTP_TCB_UNLOCK(stcb); 3664 } else { 3665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3667 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3668 SCTP_INP_RLOCK(inp); 3669 av->assoc_value = (uint32_t) inp->local_strreset_support; 3670 SCTP_INP_RUNLOCK(inp); 3671 } else { 3672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3673 error = EINVAL; 3674 } 3675 } 3676 if (error == 0) { 3677 *optsize = sizeof(struct sctp_assoc_value); 3678 } 3679 break; 3680 } 3681 case SCTP_PR_STREAM_STATUS: 3682 { 3683 struct sctp_prstatus *sprstat; 3684 uint16_t sid; 3685 uint16_t policy; 3686 3687 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3688 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3689 3690 sid = sprstat->sprstat_sid; 3691 policy = sprstat->sprstat_policy; 3692 #if defined(SCTP_DETAILED_STR_STATS) 3693 if ((stcb != NULL) && 3694 (sid < stcb->asoc.streamoutcnt) && 3695 (policy != SCTP_PR_SCTP_NONE) && 3696 ((policy <= SCTP_PR_SCTP_MAX) || 3697 (policy == SCTP_PR_SCTP_ALL))) { 3698 if (policy == SCTP_PR_SCTP_ALL) { 3699 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3700 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3701 } else { 3702 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3703 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3704 } 3705 #else 3706 if ((stcb != NULL) && 3707 (sid < stcb->asoc.streamoutcnt) && 3708 (policy == SCTP_PR_SCTP_ALL)) { 3709 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3710 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3711 #endif 3712 SCTP_TCB_UNLOCK(stcb); 3713 *optsize = sizeof(struct sctp_prstatus); 3714 } else { 3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3716 error = EINVAL; 3717 } 3718 break; 3719 } 3720 case SCTP_PR_ASSOC_STATUS: 3721 { 3722 struct sctp_prstatus *sprstat; 3723 uint16_t policy; 3724 3725 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3726 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3727 3728 policy = sprstat->sprstat_policy; 3729 if ((stcb != NULL) && 3730 (policy != SCTP_PR_SCTP_NONE) && 3731 ((policy <= SCTP_PR_SCTP_MAX) || 3732 (policy == SCTP_PR_SCTP_ALL))) { 3733 if (policy == SCTP_PR_SCTP_ALL) { 3734 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3735 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3736 } else { 3737 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3738 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3739 } 3740 SCTP_TCB_UNLOCK(stcb); 3741 *optsize = sizeof(struct sctp_prstatus); 3742 } else { 3743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3744 error = EINVAL; 3745 } 3746 break; 3747 } 3748 case SCTP_MAX_CWND: 3749 { 3750 struct sctp_assoc_value *av; 3751 3752 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3753 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3754 3755 if (stcb) { 3756 av->assoc_value = stcb->asoc.max_cwnd; 3757 SCTP_TCB_UNLOCK(stcb); 3758 } else { 3759 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3760 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3761 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3762 SCTP_INP_RLOCK(inp); 3763 av->assoc_value = inp->max_cwnd; 3764 SCTP_INP_RUNLOCK(inp); 3765 } else { 3766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3767 error = EINVAL; 3768 } 3769 } 3770 if (error == 0) { 3771 *optsize = sizeof(struct sctp_assoc_value); 3772 } 3773 break; 3774 } 3775 default: 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3777 error = ENOPROTOOPT; 3778 break; 3779 } /* end switch (sopt->sopt_name) */ 3780 if (error) { 3781 *optsize = 0; 3782 } 3783 return (error); 3784 } 3785 3786 static int 3787 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3788 void *p) 3789 { 3790 int error, set_opt; 3791 uint32_t *mopt; 3792 struct sctp_tcb *stcb = NULL; 3793 struct sctp_inpcb *inp = NULL; 3794 uint32_t vrf_id; 3795 3796 if (optval == NULL) { 3797 SCTP_PRINTF("optval is NULL\n"); 3798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3799 return (EINVAL); 3800 } 3801 inp = (struct sctp_inpcb *)so->so_pcb; 3802 if (inp == NULL) { 3803 SCTP_PRINTF("inp is NULL?\n"); 3804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3805 return (EINVAL); 3806 } 3807 vrf_id = inp->def_vrf_id; 3808 3809 error = 0; 3810 switch (optname) { 3811 case SCTP_NODELAY: 3812 case SCTP_AUTOCLOSE: 3813 case SCTP_AUTO_ASCONF: 3814 case SCTP_EXPLICIT_EOR: 3815 case SCTP_DISABLE_FRAGMENTS: 3816 case SCTP_USE_EXT_RCVINFO: 3817 case SCTP_I_WANT_MAPPED_V4_ADDR: 3818 /* copy in the option value */ 3819 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3820 set_opt = 0; 3821 if (error) 3822 break; 3823 switch (optname) { 3824 case SCTP_DISABLE_FRAGMENTS: 3825 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3826 break; 3827 case SCTP_AUTO_ASCONF: 3828 /* 3829 * NOTE: we don't really support this flag 3830 */ 3831 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3832 /* only valid for bound all sockets */ 3833 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3834 (*mopt != 0)) { 3835 /* forbidden by admin */ 3836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3837 return (EPERM); 3838 } 3839 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3840 } else { 3841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3842 return (EINVAL); 3843 } 3844 break; 3845 case SCTP_EXPLICIT_EOR: 3846 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3847 break; 3848 case SCTP_USE_EXT_RCVINFO: 3849 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3850 break; 3851 case SCTP_I_WANT_MAPPED_V4_ADDR: 3852 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3853 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3854 } else { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 return (EINVAL); 3857 } 3858 break; 3859 case SCTP_NODELAY: 3860 set_opt = SCTP_PCB_FLAGS_NODELAY; 3861 break; 3862 case SCTP_AUTOCLOSE: 3863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3864 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3866 return (EINVAL); 3867 } 3868 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3869 /* 3870 * The value is in ticks. Note this does not effect 3871 * old associations, only new ones. 3872 */ 3873 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3874 break; 3875 } 3876 SCTP_INP_WLOCK(inp); 3877 if (*mopt != 0) { 3878 sctp_feature_on(inp, set_opt); 3879 } else { 3880 sctp_feature_off(inp, set_opt); 3881 } 3882 SCTP_INP_WUNLOCK(inp); 3883 break; 3884 case SCTP_REUSE_PORT: 3885 { 3886 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3887 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3888 /* Can't set it after we are bound */ 3889 error = EINVAL; 3890 break; 3891 } 3892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3893 /* Can't do this for a 1-m socket */ 3894 error = EINVAL; 3895 break; 3896 } 3897 if (optval) 3898 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3899 else 3900 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3901 break; 3902 } 3903 case SCTP_PARTIAL_DELIVERY_POINT: 3904 { 3905 uint32_t *value; 3906 3907 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3908 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 break; 3912 } 3913 inp->partial_delivery_point = *value; 3914 break; 3915 } 3916 case SCTP_FRAGMENT_INTERLEAVE: 3917 /* not yet until we re-write sctp_recvmsg() */ 3918 { 3919 uint32_t *level; 3920 3921 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3922 if (*level == SCTP_FRAG_LEVEL_2) { 3923 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3924 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3925 } else if (*level == SCTP_FRAG_LEVEL_1) { 3926 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3927 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3928 } else if (*level == SCTP_FRAG_LEVEL_0) { 3929 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3930 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3931 3932 } else { 3933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3934 error = EINVAL; 3935 } 3936 break; 3937 } 3938 case SCTP_INTERLEAVING_SUPPORTED: 3939 { 3940 struct sctp_assoc_value *av; 3941 3942 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3943 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3944 3945 if (stcb) { 3946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3947 error = EINVAL; 3948 SCTP_TCB_UNLOCK(stcb); 3949 } else { 3950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3952 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3953 SCTP_INP_WLOCK(inp); 3954 if (av->assoc_value == 0) { 3955 inp->idata_supported = 0; 3956 } else { 3957 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3958 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3959 inp->idata_supported = 1; 3960 } else { 3961 /* 3962 * Must have Frag 3963 * interleave and 3964 * stream interleave 3965 * on 3966 */ 3967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3968 error = EINVAL; 3969 } 3970 } 3971 SCTP_INP_WUNLOCK(inp); 3972 } else { 3973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3974 error = EINVAL; 3975 } 3976 } 3977 break; 3978 } 3979 case SCTP_CMT_ON_OFF: 3980 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3981 struct sctp_assoc_value *av; 3982 3983 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3984 if (av->assoc_value > SCTP_CMT_MAX) { 3985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3986 error = EINVAL; 3987 break; 3988 } 3989 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3990 if (stcb) { 3991 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3992 SCTP_TCB_UNLOCK(stcb); 3993 } else { 3994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3996 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3997 (av->assoc_id == SCTP_ALL_ASSOC)) { 3998 SCTP_INP_WLOCK(inp); 3999 inp->sctp_cmt_on_off = av->assoc_value; 4000 SCTP_INP_WUNLOCK(inp); 4001 } 4002 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4003 (av->assoc_id == SCTP_ALL_ASSOC)) { 4004 SCTP_INP_RLOCK(inp); 4005 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4006 SCTP_TCB_LOCK(stcb); 4007 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 4008 SCTP_TCB_UNLOCK(stcb); 4009 } 4010 SCTP_INP_RUNLOCK(inp); 4011 } 4012 } 4013 } else { 4014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 4015 error = ENOPROTOOPT; 4016 } 4017 break; 4018 case SCTP_PLUGGABLE_CC: 4019 { 4020 struct sctp_assoc_value *av; 4021 struct sctp_nets *net; 4022 4023 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4024 if ((av->assoc_value != SCTP_CC_RFC2581) && 4025 (av->assoc_value != SCTP_CC_HSTCP) && 4026 (av->assoc_value != SCTP_CC_HTCP) && 4027 (av->assoc_value != SCTP_CC_RTCC)) { 4028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4029 error = EINVAL; 4030 break; 4031 } 4032 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4033 if (stcb) { 4034 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4035 stcb->asoc.congestion_control_module = av->assoc_value; 4036 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4037 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4038 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4039 } 4040 } 4041 SCTP_TCB_UNLOCK(stcb); 4042 } else { 4043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4045 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4046 (av->assoc_id == SCTP_ALL_ASSOC)) { 4047 SCTP_INP_WLOCK(inp); 4048 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4049 SCTP_INP_WUNLOCK(inp); 4050 } 4051 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4052 (av->assoc_id == SCTP_ALL_ASSOC)) { 4053 SCTP_INP_RLOCK(inp); 4054 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4055 SCTP_TCB_LOCK(stcb); 4056 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4057 stcb->asoc.congestion_control_module = av->assoc_value; 4058 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4059 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4060 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4061 } 4062 } 4063 SCTP_TCB_UNLOCK(stcb); 4064 } 4065 SCTP_INP_RUNLOCK(inp); 4066 } 4067 } 4068 break; 4069 } 4070 case SCTP_CC_OPTION: 4071 { 4072 struct sctp_cc_option *cc_opt; 4073 4074 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4075 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4076 if (stcb == NULL) { 4077 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4078 SCTP_INP_RLOCK(inp); 4079 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4080 SCTP_TCB_LOCK(stcb); 4081 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4082 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4083 } 4084 SCTP_TCB_UNLOCK(stcb); 4085 } 4086 SCTP_INP_RUNLOCK(inp); 4087 } else { 4088 error = EINVAL; 4089 } 4090 } else { 4091 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4092 error = ENOTSUP; 4093 } else { 4094 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4095 cc_opt); 4096 } 4097 SCTP_TCB_UNLOCK(stcb); 4098 } 4099 break; 4100 } 4101 case SCTP_PLUGGABLE_SS: 4102 { 4103 struct sctp_assoc_value *av; 4104 4105 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4106 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4107 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4108 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4109 (av->assoc_value != SCTP_SS_PRIORITY) && 4110 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4111 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4113 error = EINVAL; 4114 break; 4115 } 4116 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4117 if (stcb) { 4118 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4119 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4120 stcb->asoc.stream_scheduling_module = av->assoc_value; 4121 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4122 SCTP_TCB_UNLOCK(stcb); 4123 } else { 4124 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4125 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4126 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4127 (av->assoc_id == SCTP_ALL_ASSOC)) { 4128 SCTP_INP_WLOCK(inp); 4129 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4130 SCTP_INP_WUNLOCK(inp); 4131 } 4132 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4133 (av->assoc_id == SCTP_ALL_ASSOC)) { 4134 SCTP_INP_RLOCK(inp); 4135 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4136 SCTP_TCB_LOCK(stcb); 4137 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4138 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4139 stcb->asoc.stream_scheduling_module = av->assoc_value; 4140 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4141 SCTP_TCB_UNLOCK(stcb); 4142 } 4143 SCTP_INP_RUNLOCK(inp); 4144 } 4145 } 4146 break; 4147 } 4148 case SCTP_SS_VALUE: 4149 { 4150 struct sctp_stream_value *av; 4151 4152 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4153 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4154 if (stcb) { 4155 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4156 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4157 av->stream_value) < 0)) { 4158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4159 error = EINVAL; 4160 } 4161 SCTP_TCB_UNLOCK(stcb); 4162 } else { 4163 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4164 SCTP_INP_RLOCK(inp); 4165 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4166 SCTP_TCB_LOCK(stcb); 4167 if (av->stream_id < stcb->asoc.streamoutcnt) { 4168 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4169 &stcb->asoc, 4170 &stcb->asoc.strmout[av->stream_id], 4171 av->stream_value); 4172 } 4173 SCTP_TCB_UNLOCK(stcb); 4174 } 4175 SCTP_INP_RUNLOCK(inp); 4176 } else { 4177 /* 4178 * Can't set stream value without 4179 * association 4180 */ 4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4182 error = EINVAL; 4183 } 4184 } 4185 break; 4186 } 4187 case SCTP_CLR_STAT_LOG: 4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4189 error = EOPNOTSUPP; 4190 break; 4191 case SCTP_CONTEXT: 4192 { 4193 struct sctp_assoc_value *av; 4194 4195 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4196 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4197 4198 if (stcb) { 4199 stcb->asoc.context = av->assoc_value; 4200 SCTP_TCB_UNLOCK(stcb); 4201 } else { 4202 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4203 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4204 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4205 (av->assoc_id == SCTP_ALL_ASSOC)) { 4206 SCTP_INP_WLOCK(inp); 4207 inp->sctp_context = av->assoc_value; 4208 SCTP_INP_WUNLOCK(inp); 4209 } 4210 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4211 (av->assoc_id == SCTP_ALL_ASSOC)) { 4212 SCTP_INP_RLOCK(inp); 4213 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4214 SCTP_TCB_LOCK(stcb); 4215 stcb->asoc.context = av->assoc_value; 4216 SCTP_TCB_UNLOCK(stcb); 4217 } 4218 SCTP_INP_RUNLOCK(inp); 4219 } 4220 } 4221 break; 4222 } 4223 case SCTP_VRF_ID: 4224 { 4225 uint32_t *default_vrfid; 4226 4227 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4228 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4230 error = EINVAL; 4231 break; 4232 } 4233 inp->def_vrf_id = *default_vrfid; 4234 break; 4235 } 4236 case SCTP_DEL_VRF_ID: 4237 { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4239 error = EOPNOTSUPP; 4240 break; 4241 } 4242 case SCTP_ADD_VRF_ID: 4243 { 4244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4245 error = EOPNOTSUPP; 4246 break; 4247 } 4248 case SCTP_DELAYED_SACK: 4249 { 4250 struct sctp_sack_info *sack; 4251 4252 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4253 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4254 if (sack->sack_delay) { 4255 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4256 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4257 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4258 sack->sack_delay = TICKS_TO_MSEC(1); 4259 } 4260 } 4261 if (stcb) { 4262 if (sack->sack_delay) { 4263 stcb->asoc.delayed_ack = sack->sack_delay; 4264 } 4265 if (sack->sack_freq) { 4266 stcb->asoc.sack_freq = sack->sack_freq; 4267 } 4268 SCTP_TCB_UNLOCK(stcb); 4269 } else { 4270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4271 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4272 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4273 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4274 SCTP_INP_WLOCK(inp); 4275 if (sack->sack_delay) { 4276 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4277 } 4278 if (sack->sack_freq) { 4279 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4280 } 4281 SCTP_INP_WUNLOCK(inp); 4282 } 4283 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4284 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4285 SCTP_INP_RLOCK(inp); 4286 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4287 SCTP_TCB_LOCK(stcb); 4288 if (sack->sack_delay) { 4289 stcb->asoc.delayed_ack = sack->sack_delay; 4290 } 4291 if (sack->sack_freq) { 4292 stcb->asoc.sack_freq = sack->sack_freq; 4293 } 4294 SCTP_TCB_UNLOCK(stcb); 4295 } 4296 SCTP_INP_RUNLOCK(inp); 4297 } 4298 } 4299 break; 4300 } 4301 case SCTP_AUTH_CHUNK: 4302 { 4303 struct sctp_authchunk *sauth; 4304 4305 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4306 4307 SCTP_INP_WLOCK(inp); 4308 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4310 error = EINVAL; 4311 } 4312 SCTP_INP_WUNLOCK(inp); 4313 break; 4314 } 4315 case SCTP_AUTH_KEY: 4316 { 4317 struct sctp_authkey *sca; 4318 struct sctp_keyhead *shared_keys; 4319 sctp_sharedkey_t *shared_key; 4320 sctp_key_t *key = NULL; 4321 size_t size; 4322 4323 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4324 if (sca->sca_keylength == 0) { 4325 size = optsize - sizeof(struct sctp_authkey); 4326 } else { 4327 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4328 size = sca->sca_keylength; 4329 } else { 4330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4331 error = EINVAL; 4332 break; 4333 } 4334 } 4335 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4336 4337 if (stcb) { 4338 shared_keys = &stcb->asoc.shared_keys; 4339 /* clear the cached keys for this key id */ 4340 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4341 /* 4342 * create the new shared key and 4343 * insert/replace it 4344 */ 4345 if (size > 0) { 4346 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4347 if (key == NULL) { 4348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4349 error = ENOMEM; 4350 SCTP_TCB_UNLOCK(stcb); 4351 break; 4352 } 4353 } 4354 shared_key = sctp_alloc_sharedkey(); 4355 if (shared_key == NULL) { 4356 sctp_free_key(key); 4357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4358 error = ENOMEM; 4359 SCTP_TCB_UNLOCK(stcb); 4360 break; 4361 } 4362 shared_key->key = key; 4363 shared_key->keyid = sca->sca_keynumber; 4364 error = sctp_insert_sharedkey(shared_keys, shared_key); 4365 SCTP_TCB_UNLOCK(stcb); 4366 } else { 4367 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4368 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4369 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4370 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4371 SCTP_INP_WLOCK(inp); 4372 shared_keys = &inp->sctp_ep.shared_keys; 4373 /* 4374 * clear the cached keys on all 4375 * assocs for this key id 4376 */ 4377 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4378 /* 4379 * create the new shared key and 4380 * insert/replace it 4381 */ 4382 if (size > 0) { 4383 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4384 if (key == NULL) { 4385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4386 error = ENOMEM; 4387 SCTP_INP_WUNLOCK(inp); 4388 break; 4389 } 4390 } 4391 shared_key = sctp_alloc_sharedkey(); 4392 if (shared_key == NULL) { 4393 sctp_free_key(key); 4394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4395 error = ENOMEM; 4396 SCTP_INP_WUNLOCK(inp); 4397 break; 4398 } 4399 shared_key->key = key; 4400 shared_key->keyid = sca->sca_keynumber; 4401 error = sctp_insert_sharedkey(shared_keys, shared_key); 4402 SCTP_INP_WUNLOCK(inp); 4403 } 4404 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4405 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4406 SCTP_INP_RLOCK(inp); 4407 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4408 SCTP_TCB_LOCK(stcb); 4409 shared_keys = &stcb->asoc.shared_keys; 4410 /* 4411 * clear the cached keys for 4412 * this key id 4413 */ 4414 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4415 /* 4416 * create the new shared key 4417 * and insert/replace it 4418 */ 4419 if (size > 0) { 4420 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4421 if (key == NULL) { 4422 SCTP_TCB_UNLOCK(stcb); 4423 continue; 4424 } 4425 } 4426 shared_key = sctp_alloc_sharedkey(); 4427 if (shared_key == NULL) { 4428 sctp_free_key(key); 4429 SCTP_TCB_UNLOCK(stcb); 4430 continue; 4431 } 4432 shared_key->key = key; 4433 shared_key->keyid = sca->sca_keynumber; 4434 error = sctp_insert_sharedkey(shared_keys, shared_key); 4435 SCTP_TCB_UNLOCK(stcb); 4436 } 4437 SCTP_INP_RUNLOCK(inp); 4438 } 4439 } 4440 break; 4441 } 4442 case SCTP_HMAC_IDENT: 4443 { 4444 struct sctp_hmacalgo *shmac; 4445 sctp_hmaclist_t *hmaclist; 4446 uint16_t hmacid; 4447 uint32_t i; 4448 4449 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4450 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4451 (shmac->shmac_number_of_idents > 0xffff)) { 4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4453 error = EINVAL; 4454 break; 4455 } 4456 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4457 if (hmaclist == NULL) { 4458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4459 error = ENOMEM; 4460 break; 4461 } 4462 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4463 hmacid = shmac->shmac_idents[i]; 4464 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4465 /* invalid HMACs were found */ ; 4466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4467 error = EINVAL; 4468 sctp_free_hmaclist(hmaclist); 4469 goto sctp_set_hmac_done; 4470 } 4471 } 4472 for (i = 0; i < hmaclist->num_algo; i++) { 4473 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4474 /* already in list */ 4475 break; 4476 } 4477 } 4478 if (i == hmaclist->num_algo) { 4479 /* not found in list */ 4480 sctp_free_hmaclist(hmaclist); 4481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4482 error = EINVAL; 4483 break; 4484 } 4485 /* set it on the endpoint */ 4486 SCTP_INP_WLOCK(inp); 4487 if (inp->sctp_ep.local_hmacs) 4488 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4489 inp->sctp_ep.local_hmacs = hmaclist; 4490 SCTP_INP_WUNLOCK(inp); 4491 sctp_set_hmac_done: 4492 break; 4493 } 4494 case SCTP_AUTH_ACTIVE_KEY: 4495 { 4496 struct sctp_authkeyid *scact; 4497 4498 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4499 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4500 4501 /* set the active key on the right place */ 4502 if (stcb) { 4503 /* set the active key on the assoc */ 4504 if (sctp_auth_setactivekey(stcb, 4505 scact->scact_keynumber)) { 4506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4507 SCTP_FROM_SCTP_USRREQ, 4508 EINVAL); 4509 error = EINVAL; 4510 } 4511 SCTP_TCB_UNLOCK(stcb); 4512 } else { 4513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4515 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4516 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4517 SCTP_INP_WLOCK(inp); 4518 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4520 error = EINVAL; 4521 } 4522 SCTP_INP_WUNLOCK(inp); 4523 } 4524 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4525 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4526 SCTP_INP_RLOCK(inp); 4527 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4528 SCTP_TCB_LOCK(stcb); 4529 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4530 SCTP_TCB_UNLOCK(stcb); 4531 } 4532 SCTP_INP_RUNLOCK(inp); 4533 } 4534 } 4535 break; 4536 } 4537 case SCTP_AUTH_DELETE_KEY: 4538 { 4539 struct sctp_authkeyid *scdel; 4540 4541 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4542 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4543 4544 /* delete the key from the right place */ 4545 if (stcb) { 4546 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4548 error = EINVAL; 4549 } 4550 SCTP_TCB_UNLOCK(stcb); 4551 } else { 4552 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4553 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4554 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4555 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4556 SCTP_INP_WLOCK(inp); 4557 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4559 error = EINVAL; 4560 } 4561 SCTP_INP_WUNLOCK(inp); 4562 } 4563 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4564 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4565 SCTP_INP_RLOCK(inp); 4566 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4567 SCTP_TCB_LOCK(stcb); 4568 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4569 SCTP_TCB_UNLOCK(stcb); 4570 } 4571 SCTP_INP_RUNLOCK(inp); 4572 } 4573 } 4574 break; 4575 } 4576 case SCTP_AUTH_DEACTIVATE_KEY: 4577 { 4578 struct sctp_authkeyid *keyid; 4579 4580 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4581 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4582 4583 /* deactivate the key from the right place */ 4584 if (stcb) { 4585 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4587 error = EINVAL; 4588 } 4589 SCTP_TCB_UNLOCK(stcb); 4590 } else { 4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4593 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4594 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4595 SCTP_INP_WLOCK(inp); 4596 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4598 error = EINVAL; 4599 } 4600 SCTP_INP_WUNLOCK(inp); 4601 } 4602 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4603 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4604 SCTP_INP_RLOCK(inp); 4605 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4606 SCTP_TCB_LOCK(stcb); 4607 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4608 SCTP_TCB_UNLOCK(stcb); 4609 } 4610 SCTP_INP_RUNLOCK(inp); 4611 } 4612 } 4613 break; 4614 } 4615 case SCTP_ENABLE_STREAM_RESET: 4616 { 4617 struct sctp_assoc_value *av; 4618 4619 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4620 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4622 error = EINVAL; 4623 break; 4624 } 4625 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4626 if (stcb) { 4627 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4628 SCTP_TCB_UNLOCK(stcb); 4629 } else { 4630 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4631 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4632 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4633 (av->assoc_id == SCTP_ALL_ASSOC)) { 4634 SCTP_INP_WLOCK(inp); 4635 inp->local_strreset_support = (uint8_t) av->assoc_value; 4636 SCTP_INP_WUNLOCK(inp); 4637 } 4638 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4639 (av->assoc_id == SCTP_ALL_ASSOC)) { 4640 SCTP_INP_RLOCK(inp); 4641 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4642 SCTP_TCB_LOCK(stcb); 4643 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4644 SCTP_TCB_UNLOCK(stcb); 4645 } 4646 SCTP_INP_RUNLOCK(inp); 4647 } 4648 } 4649 break; 4650 } 4651 case SCTP_RESET_STREAMS: 4652 { 4653 struct sctp_reset_streams *strrst; 4654 int i, send_out = 0; 4655 int send_in = 0; 4656 4657 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4658 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4659 if (stcb == NULL) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4661 error = ENOENT; 4662 break; 4663 } 4664 if (stcb->asoc.reconfig_supported == 0) { 4665 /* 4666 * Peer does not support the chunk type. 4667 */ 4668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4669 error = EOPNOTSUPP; 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if (sizeof(struct sctp_reset_streams) + 4674 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4675 error = EINVAL; 4676 SCTP_TCB_UNLOCK(stcb); 4677 break; 4678 } 4679 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4680 send_in = 1; 4681 if (stcb->asoc.stream_reset_outstanding) { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4683 error = EALREADY; 4684 SCTP_TCB_UNLOCK(stcb); 4685 break; 4686 } 4687 } 4688 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4689 send_out = 1; 4690 } 4691 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4693 error = ENOMEM; 4694 SCTP_TCB_UNLOCK(stcb); 4695 break; 4696 } 4697 if ((send_in == 0) && (send_out == 0)) { 4698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4699 error = EINVAL; 4700 SCTP_TCB_UNLOCK(stcb); 4701 break; 4702 } 4703 for (i = 0; i < strrst->srs_number_streams; i++) { 4704 if ((send_in) && 4705 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4707 error = EINVAL; 4708 break; 4709 } 4710 if ((send_out) && 4711 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4713 error = EINVAL; 4714 break; 4715 } 4716 } 4717 if (error) { 4718 SCTP_TCB_UNLOCK(stcb); 4719 break; 4720 } 4721 if (send_out) { 4722 int cnt; 4723 uint16_t strm; 4724 4725 if (strrst->srs_number_streams) { 4726 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4727 strm = strrst->srs_stream_list[i]; 4728 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4729 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4730 cnt++; 4731 } 4732 } 4733 } else { 4734 /* Its all */ 4735 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4736 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4737 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4738 cnt++; 4739 } 4740 } 4741 } 4742 } 4743 if (send_in) { 4744 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4745 strrst->srs_stream_list, 4746 send_in, 0, 0, 0, 0, 0); 4747 } else { 4748 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4749 } 4750 if (error == 0) { 4751 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4752 } else { 4753 /* 4754 * For outgoing streams don't report any 4755 * problems in sending the request to the 4756 * application. XXX: Double check resetting 4757 * incoming streams. 4758 */ 4759 error = 0; 4760 } 4761 SCTP_TCB_UNLOCK(stcb); 4762 break; 4763 } 4764 case SCTP_ADD_STREAMS: 4765 { 4766 struct sctp_add_streams *stradd; 4767 uint8_t addstream = 0; 4768 uint16_t add_o_strmcnt = 0; 4769 uint16_t add_i_strmcnt = 0; 4770 4771 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4772 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4773 if (stcb == NULL) { 4774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4775 error = ENOENT; 4776 break; 4777 } 4778 if (stcb->asoc.reconfig_supported == 0) { 4779 /* 4780 * Peer does not support the chunk type. 4781 */ 4782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4783 error = EOPNOTSUPP; 4784 SCTP_TCB_UNLOCK(stcb); 4785 break; 4786 } 4787 if (stcb->asoc.stream_reset_outstanding) { 4788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4789 error = EALREADY; 4790 SCTP_TCB_UNLOCK(stcb); 4791 break; 4792 } 4793 if ((stradd->sas_outstrms == 0) && 4794 (stradd->sas_instrms == 0)) { 4795 error = EINVAL; 4796 goto skip_stuff; 4797 } 4798 if (stradd->sas_outstrms) { 4799 addstream = 1; 4800 /* We allocate here */ 4801 add_o_strmcnt = stradd->sas_outstrms; 4802 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4803 /* You can't have more than 64k */ 4804 error = EINVAL; 4805 goto skip_stuff; 4806 } 4807 } 4808 if (stradd->sas_instrms) { 4809 int cnt; 4810 4811 addstream |= 2; 4812 /* 4813 * We allocate inside 4814 * sctp_send_str_reset_req() 4815 */ 4816 add_i_strmcnt = stradd->sas_instrms; 4817 cnt = add_i_strmcnt; 4818 cnt += stcb->asoc.streamincnt; 4819 if (cnt > 0x0000ffff) { 4820 /* You can't have more than 64k */ 4821 error = EINVAL; 4822 goto skip_stuff; 4823 } 4824 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4825 /* More than you are allowed */ 4826 error = EINVAL; 4827 goto skip_stuff; 4828 } 4829 } 4830 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4831 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4832 skip_stuff: 4833 SCTP_TCB_UNLOCK(stcb); 4834 break; 4835 } 4836 case SCTP_RESET_ASSOC: 4837 { 4838 int i; 4839 uint32_t *value; 4840 4841 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4842 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4843 if (stcb == NULL) { 4844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4845 error = ENOENT; 4846 break; 4847 } 4848 if (stcb->asoc.reconfig_supported == 0) { 4849 /* 4850 * Peer does not support the chunk type. 4851 */ 4852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4853 error = EOPNOTSUPP; 4854 SCTP_TCB_UNLOCK(stcb); 4855 break; 4856 } 4857 if (stcb->asoc.stream_reset_outstanding) { 4858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4859 error = EALREADY; 4860 SCTP_TCB_UNLOCK(stcb); 4861 break; 4862 } 4863 /* 4864 * Is there any data pending in the send or sent 4865 * queues? 4866 */ 4867 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4868 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4869 busy_out: 4870 error = EBUSY; 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4872 SCTP_TCB_UNLOCK(stcb); 4873 break; 4874 } 4875 /* Do any streams have data queued? */ 4876 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4877 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4878 goto busy_out; 4879 } 4880 } 4881 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4882 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4883 SCTP_TCB_UNLOCK(stcb); 4884 break; 4885 } 4886 case SCTP_CONNECT_X: 4887 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4889 error = EINVAL; 4890 break; 4891 } 4892 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4893 break; 4894 case SCTP_CONNECT_X_DELAYED: 4895 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4897 error = EINVAL; 4898 break; 4899 } 4900 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4901 break; 4902 case SCTP_CONNECT_X_COMPLETE: 4903 { 4904 struct sockaddr *sa; 4905 4906 /* FIXME MT: check correct? */ 4907 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4908 4909 /* find tcb */ 4910 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4911 SCTP_INP_RLOCK(inp); 4912 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4913 if (stcb) { 4914 SCTP_TCB_LOCK(stcb); 4915 } 4916 SCTP_INP_RUNLOCK(inp); 4917 } else { 4918 /* 4919 * We increment here since 4920 * sctp_findassociation_ep_addr() wil do a 4921 * decrement if it finds the stcb as long as 4922 * the locked tcb (last argument) is NOT a 4923 * TCB.. aka NULL. 4924 */ 4925 SCTP_INP_INCR_REF(inp); 4926 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4927 if (stcb == NULL) { 4928 SCTP_INP_DECR_REF(inp); 4929 } 4930 } 4931 4932 if (stcb == NULL) { 4933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4934 error = ENOENT; 4935 break; 4936 } 4937 if (stcb->asoc.delayed_connection == 1) { 4938 stcb->asoc.delayed_connection = 0; 4939 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4940 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4941 stcb->asoc.primary_destination, 4942 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4943 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4944 } else { 4945 /* 4946 * already expired or did not use delayed 4947 * connectx 4948 */ 4949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4950 error = EALREADY; 4951 } 4952 SCTP_TCB_UNLOCK(stcb); 4953 break; 4954 } 4955 case SCTP_MAX_BURST: 4956 { 4957 struct sctp_assoc_value *av; 4958 4959 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4960 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4961 4962 if (stcb) { 4963 stcb->asoc.max_burst = av->assoc_value; 4964 SCTP_TCB_UNLOCK(stcb); 4965 } else { 4966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4967 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4968 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4969 (av->assoc_id == SCTP_ALL_ASSOC)) { 4970 SCTP_INP_WLOCK(inp); 4971 inp->sctp_ep.max_burst = av->assoc_value; 4972 SCTP_INP_WUNLOCK(inp); 4973 } 4974 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4975 (av->assoc_id == SCTP_ALL_ASSOC)) { 4976 SCTP_INP_RLOCK(inp); 4977 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4978 SCTP_TCB_LOCK(stcb); 4979 stcb->asoc.max_burst = av->assoc_value; 4980 SCTP_TCB_UNLOCK(stcb); 4981 } 4982 SCTP_INP_RUNLOCK(inp); 4983 } 4984 } 4985 break; 4986 } 4987 case SCTP_MAXSEG: 4988 { 4989 struct sctp_assoc_value *av; 4990 int ovh; 4991 4992 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4993 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4994 4995 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4996 ovh = SCTP_MED_OVERHEAD; 4997 } else { 4998 ovh = SCTP_MED_V4_OVERHEAD; 4999 } 5000 if (stcb) { 5001 if (av->assoc_value) { 5002 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5003 } else { 5004 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5005 } 5006 SCTP_TCB_UNLOCK(stcb); 5007 } else { 5008 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5009 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5010 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 5011 SCTP_INP_WLOCK(inp); 5012 /* 5013 * FIXME MT: I think this is not in 5014 * tune with the API ID 5015 */ 5016 if (av->assoc_value) { 5017 inp->sctp_frag_point = (av->assoc_value + ovh); 5018 } else { 5019 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5020 } 5021 SCTP_INP_WUNLOCK(inp); 5022 } else { 5023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5024 error = EINVAL; 5025 } 5026 } 5027 break; 5028 } 5029 case SCTP_EVENTS: 5030 { 5031 struct sctp_event_subscribe *events; 5032 5033 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5034 5035 SCTP_INP_WLOCK(inp); 5036 if (events->sctp_data_io_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5040 } 5041 5042 if (events->sctp_association_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5046 } 5047 5048 if (events->sctp_address_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5052 } 5053 5054 if (events->sctp_send_failure_event) { 5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5056 } else { 5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5058 } 5059 5060 if (events->sctp_peer_error_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5064 } 5065 5066 if (events->sctp_shutdown_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5070 } 5071 5072 if (events->sctp_partial_delivery_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5076 } 5077 5078 if (events->sctp_adaptation_layer_event) { 5079 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5080 } else { 5081 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5082 } 5083 5084 if (events->sctp_authentication_event) { 5085 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5086 } else { 5087 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5088 } 5089 5090 if (events->sctp_sender_dry_event) { 5091 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5092 } else { 5093 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5094 } 5095 5096 if (events->sctp_stream_reset_event) { 5097 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5098 } else { 5099 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5100 } 5101 SCTP_INP_WUNLOCK(inp); 5102 5103 SCTP_INP_RLOCK(inp); 5104 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5105 SCTP_TCB_LOCK(stcb); 5106 if (events->sctp_association_event) { 5107 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5108 } else { 5109 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5110 } 5111 if (events->sctp_address_event) { 5112 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5113 } else { 5114 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5115 } 5116 if (events->sctp_send_failure_event) { 5117 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5118 } else { 5119 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5120 } 5121 if (events->sctp_peer_error_event) { 5122 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5123 } else { 5124 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5125 } 5126 if (events->sctp_shutdown_event) { 5127 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5128 } else { 5129 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5130 } 5131 if (events->sctp_partial_delivery_event) { 5132 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5133 } else { 5134 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5135 } 5136 if (events->sctp_adaptation_layer_event) { 5137 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5138 } else { 5139 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5140 } 5141 if (events->sctp_authentication_event) { 5142 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5143 } else { 5144 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5145 } 5146 if (events->sctp_sender_dry_event) { 5147 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5148 } else { 5149 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5150 } 5151 if (events->sctp_stream_reset_event) { 5152 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5153 } else { 5154 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5155 } 5156 SCTP_TCB_UNLOCK(stcb); 5157 } 5158 /* 5159 * Send up the sender dry event only for 1-to-1 5160 * style sockets. 5161 */ 5162 if (events->sctp_sender_dry_event) { 5163 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5164 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5165 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5166 if (stcb) { 5167 SCTP_TCB_LOCK(stcb); 5168 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5169 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5170 (stcb->asoc.stream_queue_cnt == 0)) { 5171 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5172 } 5173 SCTP_TCB_UNLOCK(stcb); 5174 } 5175 } 5176 } 5177 SCTP_INP_RUNLOCK(inp); 5178 break; 5179 } 5180 case SCTP_ADAPTATION_LAYER: 5181 { 5182 struct sctp_setadaptation *adap_bits; 5183 5184 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5185 SCTP_INP_WLOCK(inp); 5186 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5187 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5188 SCTP_INP_WUNLOCK(inp); 5189 break; 5190 } 5191 #ifdef SCTP_DEBUG 5192 case SCTP_SET_INITIAL_DBG_SEQ: 5193 { 5194 uint32_t *vvv; 5195 5196 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5197 SCTP_INP_WLOCK(inp); 5198 inp->sctp_ep.initial_sequence_debug = *vvv; 5199 SCTP_INP_WUNLOCK(inp); 5200 break; 5201 } 5202 #endif 5203 case SCTP_DEFAULT_SEND_PARAM: 5204 { 5205 struct sctp_sndrcvinfo *s_info; 5206 5207 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5208 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5209 5210 if (stcb) { 5211 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5212 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5213 } else { 5214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5215 error = EINVAL; 5216 } 5217 SCTP_TCB_UNLOCK(stcb); 5218 } else { 5219 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5220 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5221 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5222 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5223 SCTP_INP_WLOCK(inp); 5224 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5225 SCTP_INP_WUNLOCK(inp); 5226 } 5227 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5228 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5229 SCTP_INP_RLOCK(inp); 5230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5231 SCTP_TCB_LOCK(stcb); 5232 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5233 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5234 } 5235 SCTP_TCB_UNLOCK(stcb); 5236 } 5237 SCTP_INP_RUNLOCK(inp); 5238 } 5239 } 5240 break; 5241 } 5242 case SCTP_PEER_ADDR_PARAMS: 5243 { 5244 struct sctp_paddrparams *paddrp; 5245 struct sctp_nets *net; 5246 struct sockaddr *addr; 5247 5248 #if defined(INET) && defined(INET6) 5249 struct sockaddr_in sin_store; 5250 5251 #endif 5252 5253 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5254 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5255 5256 #if defined(INET) && defined(INET6) 5257 if (paddrp->spp_address.ss_family == AF_INET6) { 5258 struct sockaddr_in6 *sin6; 5259 5260 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5261 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5262 in6_sin6_2_sin(&sin_store, sin6); 5263 addr = (struct sockaddr *)&sin_store; 5264 } else { 5265 addr = (struct sockaddr *)&paddrp->spp_address; 5266 } 5267 } else { 5268 addr = (struct sockaddr *)&paddrp->spp_address; 5269 } 5270 #else 5271 addr = (struct sockaddr *)&paddrp->spp_address; 5272 #endif 5273 if (stcb != NULL) { 5274 net = sctp_findnet(stcb, addr); 5275 } else { 5276 /* 5277 * We increment here since 5278 * sctp_findassociation_ep_addr() wil do a 5279 * decrement if it finds the stcb as long as 5280 * the locked tcb (last argument) is NOT a 5281 * TCB.. aka NULL. 5282 */ 5283 net = NULL; 5284 SCTP_INP_INCR_REF(inp); 5285 stcb = sctp_findassociation_ep_addr(&inp, addr, 5286 &net, NULL, NULL); 5287 if (stcb == NULL) { 5288 SCTP_INP_DECR_REF(inp); 5289 } 5290 } 5291 if ((stcb != NULL) && (net == NULL)) { 5292 #ifdef INET 5293 if (addr->sa_family == AF_INET) { 5294 5295 struct sockaddr_in *sin; 5296 5297 sin = (struct sockaddr_in *)addr; 5298 if (sin->sin_addr.s_addr != INADDR_ANY) { 5299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5300 SCTP_TCB_UNLOCK(stcb); 5301 error = EINVAL; 5302 break; 5303 } 5304 } else 5305 #endif 5306 #ifdef INET6 5307 if (addr->sa_family == AF_INET6) { 5308 struct sockaddr_in6 *sin6; 5309 5310 sin6 = (struct sockaddr_in6 *)addr; 5311 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5313 SCTP_TCB_UNLOCK(stcb); 5314 error = EINVAL; 5315 break; 5316 } 5317 } else 5318 #endif 5319 { 5320 error = EAFNOSUPPORT; 5321 SCTP_TCB_UNLOCK(stcb); 5322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5323 break; 5324 } 5325 } 5326 /* sanity checks */ 5327 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5328 if (stcb) 5329 SCTP_TCB_UNLOCK(stcb); 5330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5331 return (EINVAL); 5332 } 5333 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5334 if (stcb) 5335 SCTP_TCB_UNLOCK(stcb); 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 return (EINVAL); 5338 } 5339 if (stcb != NULL) { 5340 /************************TCB SPECIFIC SET ******************/ 5341 if (net != NULL) { 5342 /************************NET SPECIFIC SET ******************/ 5343 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5344 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5345 !(net->dest_state & SCTP_ADDR_NOHB)) { 5346 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5347 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5348 } 5349 net->dest_state |= SCTP_ADDR_NOHB; 5350 } 5351 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5352 if (paddrp->spp_hbinterval) { 5353 net->heart_beat_delay = paddrp->spp_hbinterval; 5354 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5355 net->heart_beat_delay = 0; 5356 } 5357 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5358 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5359 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5360 net->dest_state &= ~SCTP_ADDR_NOHB; 5361 } 5362 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5363 /* on demand HB */ 5364 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5365 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5366 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5367 } 5368 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5369 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5370 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5371 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5372 } 5373 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5374 net->mtu = paddrp->spp_pathmtu; 5375 switch (net->ro._l_addr.sa.sa_family) { 5376 #ifdef INET 5377 case AF_INET: 5378 net->mtu += SCTP_MIN_V4_OVERHEAD; 5379 break; 5380 #endif 5381 #ifdef INET6 5382 case AF_INET6: 5383 net->mtu += SCTP_MIN_OVERHEAD; 5384 break; 5385 #endif 5386 default: 5387 break; 5388 } 5389 if (net->mtu < stcb->asoc.smallest_mtu) { 5390 sctp_pathmtu_adjustment(stcb, net->mtu); 5391 } 5392 } 5393 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5394 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5395 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5396 } 5397 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5398 } 5399 if (paddrp->spp_pathmaxrxt) { 5400 if (net->dest_state & SCTP_ADDR_PF) { 5401 if (net->error_count > paddrp->spp_pathmaxrxt) { 5402 net->dest_state &= ~SCTP_ADDR_PF; 5403 } 5404 } else { 5405 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5406 (net->error_count > net->pf_threshold)) { 5407 net->dest_state |= SCTP_ADDR_PF; 5408 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5409 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5410 stcb->sctp_ep, stcb, net, 5411 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5412 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5413 } 5414 } 5415 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5416 if (net->error_count > paddrp->spp_pathmaxrxt) { 5417 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5419 } 5420 } else { 5421 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5422 net->dest_state |= SCTP_ADDR_REACHABLE; 5423 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5424 } 5425 } 5426 net->failure_threshold = paddrp->spp_pathmaxrxt; 5427 } 5428 if (paddrp->spp_flags & SPP_DSCP) { 5429 net->dscp = paddrp->spp_dscp & 0xfc; 5430 net->dscp |= 0x01; 5431 } 5432 #ifdef INET6 5433 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5434 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5435 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5436 net->flowlabel |= 0x80000000; 5437 } 5438 } 5439 #endif 5440 } else { 5441 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5442 if (paddrp->spp_pathmaxrxt != 0) { 5443 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5444 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5445 if (net->dest_state & SCTP_ADDR_PF) { 5446 if (net->error_count > paddrp->spp_pathmaxrxt) { 5447 net->dest_state &= ~SCTP_ADDR_PF; 5448 } 5449 } else { 5450 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5451 (net->error_count > net->pf_threshold)) { 5452 net->dest_state |= SCTP_ADDR_PF; 5453 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5454 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5455 stcb->sctp_ep, stcb, net, 5456 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5457 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5458 } 5459 } 5460 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5461 if (net->error_count > paddrp->spp_pathmaxrxt) { 5462 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5463 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5464 } 5465 } else { 5466 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5467 net->dest_state |= SCTP_ADDR_REACHABLE; 5468 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5469 } 5470 } 5471 net->failure_threshold = paddrp->spp_pathmaxrxt; 5472 } 5473 } 5474 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5475 if (paddrp->spp_hbinterval != 0) { 5476 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5477 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5478 stcb->asoc.heart_beat_delay = 0; 5479 } 5480 /* Turn back on the timer */ 5481 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5482 if (paddrp->spp_hbinterval != 0) { 5483 net->heart_beat_delay = paddrp->spp_hbinterval; 5484 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5485 net->heart_beat_delay = 0; 5486 } 5487 if (net->dest_state & SCTP_ADDR_NOHB) { 5488 net->dest_state &= ~SCTP_ADDR_NOHB; 5489 } 5490 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5491 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5492 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5493 } 5494 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5495 } 5496 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5497 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5498 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5499 net->dest_state |= SCTP_ADDR_NOHB; 5500 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5501 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5502 inp, stcb, net, 5503 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5504 } 5505 } 5506 } 5507 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5508 } 5509 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5510 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5511 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5512 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5513 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5514 } 5515 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5516 net->mtu = paddrp->spp_pathmtu; 5517 switch (net->ro._l_addr.sa.sa_family) { 5518 #ifdef INET 5519 case AF_INET: 5520 net->mtu += SCTP_MIN_V4_OVERHEAD; 5521 break; 5522 #endif 5523 #ifdef INET6 5524 case AF_INET6: 5525 net->mtu += SCTP_MIN_OVERHEAD; 5526 break; 5527 #endif 5528 default: 5529 break; 5530 } 5531 if (net->mtu < stcb->asoc.smallest_mtu) { 5532 sctp_pathmtu_adjustment(stcb, net->mtu); 5533 } 5534 } 5535 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5536 } 5537 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5538 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5539 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5540 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5541 } 5542 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5543 } 5544 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5545 } 5546 if (paddrp->spp_flags & SPP_DSCP) { 5547 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5548 net->dscp = paddrp->spp_dscp & 0xfc; 5549 net->dscp |= 0x01; 5550 } 5551 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5552 stcb->asoc.default_dscp |= 0x01; 5553 } 5554 #ifdef INET6 5555 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5556 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5557 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5558 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5559 net->flowlabel |= 0x80000000; 5560 } 5561 } 5562 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5563 stcb->asoc.default_flowlabel |= 0x80000000; 5564 } 5565 #endif 5566 } 5567 SCTP_TCB_UNLOCK(stcb); 5568 } else { 5569 /************************NO TCB, SET TO default stuff ******************/ 5570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5572 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5573 SCTP_INP_WLOCK(inp); 5574 /* 5575 * For the TOS/FLOWLABEL stuff you 5576 * set it with the options on the 5577 * socket 5578 */ 5579 if (paddrp->spp_pathmaxrxt != 0) { 5580 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5581 } 5582 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5583 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5584 else if (paddrp->spp_hbinterval != 0) { 5585 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5586 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5587 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5588 } 5589 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5590 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5591 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5592 } else if (paddrp->spp_hbinterval) { 5593 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5594 } 5595 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5596 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5597 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5598 } 5599 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5600 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5601 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5602 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5603 } 5604 if (paddrp->spp_flags & SPP_DSCP) { 5605 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5606 inp->sctp_ep.default_dscp |= 0x01; 5607 } 5608 #ifdef INET6 5609 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5610 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5611 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5612 inp->sctp_ep.default_flowlabel |= 0x80000000; 5613 } 5614 } 5615 #endif 5616 SCTP_INP_WUNLOCK(inp); 5617 } else { 5618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5619 error = EINVAL; 5620 } 5621 } 5622 break; 5623 } 5624 case SCTP_RTOINFO: 5625 { 5626 struct sctp_rtoinfo *srto; 5627 uint32_t new_init, new_min, new_max; 5628 5629 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5630 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5631 5632 if (stcb) { 5633 if (srto->srto_initial) 5634 new_init = srto->srto_initial; 5635 else 5636 new_init = stcb->asoc.initial_rto; 5637 if (srto->srto_max) 5638 new_max = srto->srto_max; 5639 else 5640 new_max = stcb->asoc.maxrto; 5641 if (srto->srto_min) 5642 new_min = srto->srto_min; 5643 else 5644 new_min = stcb->asoc.minrto; 5645 if ((new_min <= new_init) && (new_init <= new_max)) { 5646 stcb->asoc.initial_rto = new_init; 5647 stcb->asoc.maxrto = new_max; 5648 stcb->asoc.minrto = new_min; 5649 } else { 5650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5651 error = EINVAL; 5652 } 5653 SCTP_TCB_UNLOCK(stcb); 5654 } else { 5655 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5656 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5657 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5658 SCTP_INP_WLOCK(inp); 5659 if (srto->srto_initial) 5660 new_init = srto->srto_initial; 5661 else 5662 new_init = inp->sctp_ep.initial_rto; 5663 if (srto->srto_max) 5664 new_max = srto->srto_max; 5665 else 5666 new_max = inp->sctp_ep.sctp_maxrto; 5667 if (srto->srto_min) 5668 new_min = srto->srto_min; 5669 else 5670 new_min = inp->sctp_ep.sctp_minrto; 5671 if ((new_min <= new_init) && (new_init <= new_max)) { 5672 inp->sctp_ep.initial_rto = new_init; 5673 inp->sctp_ep.sctp_maxrto = new_max; 5674 inp->sctp_ep.sctp_minrto = new_min; 5675 } else { 5676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5677 error = EINVAL; 5678 } 5679 SCTP_INP_WUNLOCK(inp); 5680 } else { 5681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5682 error = EINVAL; 5683 } 5684 } 5685 break; 5686 } 5687 case SCTP_ASSOCINFO: 5688 { 5689 struct sctp_assocparams *sasoc; 5690 5691 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5692 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5693 if (sasoc->sasoc_cookie_life) { 5694 /* boundary check the cookie life */ 5695 if (sasoc->sasoc_cookie_life < 1000) 5696 sasoc->sasoc_cookie_life = 1000; 5697 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5698 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5699 } 5700 } 5701 if (stcb) { 5702 if (sasoc->sasoc_asocmaxrxt) 5703 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5704 if (sasoc->sasoc_cookie_life) { 5705 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5706 } 5707 SCTP_TCB_UNLOCK(stcb); 5708 } else { 5709 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5710 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5711 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5712 SCTP_INP_WLOCK(inp); 5713 if (sasoc->sasoc_asocmaxrxt) 5714 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5715 if (sasoc->sasoc_cookie_life) { 5716 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5717 } 5718 SCTP_INP_WUNLOCK(inp); 5719 } else { 5720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5721 error = EINVAL; 5722 } 5723 } 5724 break; 5725 } 5726 case SCTP_INITMSG: 5727 { 5728 struct sctp_initmsg *sinit; 5729 5730 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5731 SCTP_INP_WLOCK(inp); 5732 if (sinit->sinit_num_ostreams) 5733 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5734 5735 if (sinit->sinit_max_instreams) 5736 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5737 5738 if (sinit->sinit_max_attempts) 5739 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5740 5741 if (sinit->sinit_max_init_timeo) 5742 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5743 SCTP_INP_WUNLOCK(inp); 5744 break; 5745 } 5746 case SCTP_PRIMARY_ADDR: 5747 { 5748 struct sctp_setprim *spa; 5749 struct sctp_nets *net; 5750 struct sockaddr *addr; 5751 5752 #if defined(INET) && defined(INET6) 5753 struct sockaddr_in sin_store; 5754 5755 #endif 5756 5757 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5758 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5759 5760 #if defined(INET) && defined(INET6) 5761 if (spa->ssp_addr.ss_family == AF_INET6) { 5762 struct sockaddr_in6 *sin6; 5763 5764 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5765 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5766 in6_sin6_2_sin(&sin_store, sin6); 5767 addr = (struct sockaddr *)&sin_store; 5768 } else { 5769 addr = (struct sockaddr *)&spa->ssp_addr; 5770 } 5771 } else { 5772 addr = (struct sockaddr *)&spa->ssp_addr; 5773 } 5774 #else 5775 addr = (struct sockaddr *)&spa->ssp_addr; 5776 #endif 5777 if (stcb != NULL) { 5778 net = sctp_findnet(stcb, addr); 5779 } else { 5780 /* 5781 * We increment here since 5782 * sctp_findassociation_ep_addr() wil do a 5783 * decrement if it finds the stcb as long as 5784 * the locked tcb (last argument) is NOT a 5785 * TCB.. aka NULL. 5786 */ 5787 net = NULL; 5788 SCTP_INP_INCR_REF(inp); 5789 stcb = sctp_findassociation_ep_addr(&inp, addr, 5790 &net, NULL, NULL); 5791 if (stcb == NULL) { 5792 SCTP_INP_DECR_REF(inp); 5793 } 5794 } 5795 5796 if ((stcb != NULL) && (net != NULL)) { 5797 if (net != stcb->asoc.primary_destination) { 5798 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5799 /* Ok we need to set it */ 5800 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5801 if ((stcb->asoc.alternate) && 5802 (!(net->dest_state & SCTP_ADDR_PF)) && 5803 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5804 sctp_free_remote_addr(stcb->asoc.alternate); 5805 stcb->asoc.alternate = NULL; 5806 } 5807 } else { 5808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5809 error = EINVAL; 5810 } 5811 } else { 5812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5813 error = EINVAL; 5814 } 5815 } 5816 } else { 5817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5818 error = EINVAL; 5819 } 5820 if (stcb != NULL) { 5821 SCTP_TCB_UNLOCK(stcb); 5822 } 5823 break; 5824 } 5825 case SCTP_SET_DYNAMIC_PRIMARY: 5826 { 5827 union sctp_sockstore *ss; 5828 5829 error = priv_check(curthread, 5830 PRIV_NETINET_RESERVEDPORT); 5831 if (error) 5832 break; 5833 5834 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5835 /* SUPER USER CHECK? */ 5836 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5837 break; 5838 } 5839 case SCTP_SET_PEER_PRIMARY_ADDR: 5840 { 5841 struct sctp_setpeerprim *sspp; 5842 struct sockaddr *addr; 5843 5844 #if defined(INET) && defined(INET6) 5845 struct sockaddr_in sin_store; 5846 5847 #endif 5848 5849 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5850 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5851 if (stcb != NULL) { 5852 struct sctp_ifa *ifa; 5853 5854 #if defined(INET) && defined(INET6) 5855 if (sspp->sspp_addr.ss_family == AF_INET6) { 5856 struct sockaddr_in6 *sin6; 5857 5858 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5859 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5860 in6_sin6_2_sin(&sin_store, sin6); 5861 addr = (struct sockaddr *)&sin_store; 5862 } else { 5863 addr = (struct sockaddr *)&sspp->sspp_addr; 5864 } 5865 } else { 5866 addr = (struct sockaddr *)&sspp->sspp_addr; 5867 } 5868 #else 5869 addr = (struct sockaddr *)&sspp->sspp_addr; 5870 #endif 5871 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5872 if (ifa == NULL) { 5873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5874 error = EINVAL; 5875 goto out_of_it; 5876 } 5877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5878 /* 5879 * Must validate the ifa found is in 5880 * our ep 5881 */ 5882 struct sctp_laddr *laddr; 5883 int found = 0; 5884 5885 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5886 if (laddr->ifa == NULL) { 5887 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5888 __func__); 5889 continue; 5890 } 5891 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5892 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5893 continue; 5894 } 5895 if (laddr->ifa == ifa) { 5896 found = 1; 5897 break; 5898 } 5899 } 5900 if (!found) { 5901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5902 error = EINVAL; 5903 goto out_of_it; 5904 } 5905 } else { 5906 switch (addr->sa_family) { 5907 #ifdef INET 5908 case AF_INET: 5909 { 5910 struct sockaddr_in *sin; 5911 5912 sin = (struct sockaddr_in *)addr; 5913 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5914 &sin->sin_addr) != 0) { 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 goto out_of_it; 5918 } 5919 break; 5920 } 5921 #endif 5922 #ifdef INET6 5923 case AF_INET6: 5924 { 5925 struct sockaddr_in6 *sin6; 5926 5927 sin6 = (struct sockaddr_in6 *)addr; 5928 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5929 &sin6->sin6_addr) != 0) { 5930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5931 error = EINVAL; 5932 goto out_of_it; 5933 } 5934 break; 5935 } 5936 #endif 5937 default: 5938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5939 error = EINVAL; 5940 goto out_of_it; 5941 } 5942 } 5943 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5945 error = EINVAL; 5946 } 5947 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5948 out_of_it: 5949 SCTP_TCB_UNLOCK(stcb); 5950 } else { 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5952 error = EINVAL; 5953 } 5954 break; 5955 } 5956 case SCTP_BINDX_ADD_ADDR: 5957 { 5958 struct sctp_getaddresses *addrs; 5959 struct thread *td; 5960 5961 td = (struct thread *)p; 5962 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5963 optsize); 5964 #ifdef INET 5965 if (addrs->addr->sa_family == AF_INET) { 5966 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5968 error = EINVAL; 5969 break; 5970 } 5971 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5972 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5973 break; 5974 } 5975 } else 5976 #endif 5977 #ifdef INET6 5978 if (addrs->addr->sa_family == AF_INET6) { 5979 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5981 error = EINVAL; 5982 break; 5983 } 5984 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5985 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5986 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5987 break; 5988 } 5989 } else 5990 #endif 5991 { 5992 error = EAFNOSUPPORT; 5993 break; 5994 } 5995 sctp_bindx_add_address(so, inp, addrs->addr, 5996 addrs->sget_assoc_id, vrf_id, 5997 &error, p); 5998 break; 5999 } 6000 case SCTP_BINDX_REM_ADDR: 6001 { 6002 struct sctp_getaddresses *addrs; 6003 struct thread *td; 6004 6005 td = (struct thread *)p; 6006 6007 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 6008 #ifdef INET 6009 if (addrs->addr->sa_family == AF_INET) { 6010 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6012 error = EINVAL; 6013 break; 6014 } 6015 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6016 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6017 break; 6018 } 6019 } else 6020 #endif 6021 #ifdef INET6 6022 if (addrs->addr->sa_family == AF_INET6) { 6023 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6025 error = EINVAL; 6026 break; 6027 } 6028 if (td != NULL && 6029 (error = prison_local_ip6(td->td_ucred, 6030 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6031 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6032 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6033 break; 6034 } 6035 } else 6036 #endif 6037 { 6038 error = EAFNOSUPPORT; 6039 break; 6040 } 6041 sctp_bindx_delete_address(inp, addrs->addr, 6042 addrs->sget_assoc_id, vrf_id, 6043 &error); 6044 break; 6045 } 6046 case SCTP_EVENT: 6047 { 6048 struct sctp_event *event; 6049 uint32_t event_type; 6050 6051 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6052 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6053 switch (event->se_type) { 6054 case SCTP_ASSOC_CHANGE: 6055 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6056 break; 6057 case SCTP_PEER_ADDR_CHANGE: 6058 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6059 break; 6060 case SCTP_REMOTE_ERROR: 6061 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6062 break; 6063 case SCTP_SEND_FAILED: 6064 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6065 break; 6066 case SCTP_SHUTDOWN_EVENT: 6067 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6068 break; 6069 case SCTP_ADAPTATION_INDICATION: 6070 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6071 break; 6072 case SCTP_PARTIAL_DELIVERY_EVENT: 6073 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6074 break; 6075 case SCTP_AUTHENTICATION_EVENT: 6076 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6077 break; 6078 case SCTP_STREAM_RESET_EVENT: 6079 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6080 break; 6081 case SCTP_SENDER_DRY_EVENT: 6082 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6083 break; 6084 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6085 event_type = 0; 6086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6087 error = ENOTSUP; 6088 break; 6089 case SCTP_ASSOC_RESET_EVENT: 6090 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6091 break; 6092 case SCTP_STREAM_CHANGE_EVENT: 6093 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6094 break; 6095 case SCTP_SEND_FAILED_EVENT: 6096 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6097 break; 6098 default: 6099 event_type = 0; 6100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6101 error = EINVAL; 6102 break; 6103 } 6104 if (event_type > 0) { 6105 if (stcb) { 6106 if (event->se_on) { 6107 sctp_stcb_feature_on(inp, stcb, event_type); 6108 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6109 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6110 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6111 (stcb->asoc.stream_queue_cnt == 0)) { 6112 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6113 } 6114 } 6115 } else { 6116 sctp_stcb_feature_off(inp, stcb, event_type); 6117 } 6118 SCTP_TCB_UNLOCK(stcb); 6119 } else { 6120 /* 6121 * We don't want to send up a storm 6122 * of events, so return an error for 6123 * sender dry events 6124 */ 6125 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6126 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6127 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6128 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6129 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6131 error = ENOTSUP; 6132 break; 6133 } 6134 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6135 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6136 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6137 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6138 SCTP_INP_WLOCK(inp); 6139 if (event->se_on) { 6140 sctp_feature_on(inp, event_type); 6141 } else { 6142 sctp_feature_off(inp, event_type); 6143 } 6144 SCTP_INP_WUNLOCK(inp); 6145 } 6146 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6147 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6148 SCTP_INP_RLOCK(inp); 6149 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6150 SCTP_TCB_LOCK(stcb); 6151 if (event->se_on) { 6152 sctp_stcb_feature_on(inp, stcb, event_type); 6153 } else { 6154 sctp_stcb_feature_off(inp, stcb, event_type); 6155 } 6156 SCTP_TCB_UNLOCK(stcb); 6157 } 6158 SCTP_INP_RUNLOCK(inp); 6159 } 6160 } 6161 } 6162 break; 6163 } 6164 case SCTP_RECVRCVINFO: 6165 { 6166 int *onoff; 6167 6168 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6169 SCTP_INP_WLOCK(inp); 6170 if (*onoff != 0) { 6171 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6172 } else { 6173 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6174 } 6175 SCTP_INP_WUNLOCK(inp); 6176 break; 6177 } 6178 case SCTP_RECVNXTINFO: 6179 { 6180 int *onoff; 6181 6182 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6183 SCTP_INP_WLOCK(inp); 6184 if (*onoff != 0) { 6185 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6186 } else { 6187 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6188 } 6189 SCTP_INP_WUNLOCK(inp); 6190 break; 6191 } 6192 case SCTP_DEFAULT_SNDINFO: 6193 { 6194 struct sctp_sndinfo *info; 6195 uint16_t policy; 6196 6197 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6198 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6199 6200 if (stcb) { 6201 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6202 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6203 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6204 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6205 stcb->asoc.def_send.sinfo_flags |= policy; 6206 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6207 stcb->asoc.def_send.sinfo_context = info->snd_context; 6208 } else { 6209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6210 error = EINVAL; 6211 } 6212 SCTP_TCB_UNLOCK(stcb); 6213 } else { 6214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6215 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6216 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6217 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6218 SCTP_INP_WLOCK(inp); 6219 inp->def_send.sinfo_stream = info->snd_sid; 6220 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6221 inp->def_send.sinfo_flags = info->snd_flags; 6222 inp->def_send.sinfo_flags |= policy; 6223 inp->def_send.sinfo_ppid = info->snd_ppid; 6224 inp->def_send.sinfo_context = info->snd_context; 6225 SCTP_INP_WUNLOCK(inp); 6226 } 6227 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6228 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6229 SCTP_INP_RLOCK(inp); 6230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6231 SCTP_TCB_LOCK(stcb); 6232 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6233 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6234 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6235 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6236 stcb->asoc.def_send.sinfo_flags |= policy; 6237 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6238 stcb->asoc.def_send.sinfo_context = info->snd_context; 6239 } 6240 SCTP_TCB_UNLOCK(stcb); 6241 } 6242 SCTP_INP_RUNLOCK(inp); 6243 } 6244 } 6245 break; 6246 } 6247 case SCTP_DEFAULT_PRINFO: 6248 { 6249 struct sctp_default_prinfo *info; 6250 6251 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6252 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6253 6254 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6256 error = EINVAL; 6257 break; 6258 } 6259 if (stcb) { 6260 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6261 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6262 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6263 SCTP_TCB_UNLOCK(stcb); 6264 } else { 6265 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6266 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6267 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6268 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6269 SCTP_INP_WLOCK(inp); 6270 inp->def_send.sinfo_flags &= 0xfff0; 6271 inp->def_send.sinfo_flags |= info->pr_policy; 6272 inp->def_send.sinfo_timetolive = info->pr_value; 6273 SCTP_INP_WUNLOCK(inp); 6274 } 6275 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6276 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6277 SCTP_INP_RLOCK(inp); 6278 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6279 SCTP_TCB_LOCK(stcb); 6280 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6281 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6282 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6283 SCTP_TCB_UNLOCK(stcb); 6284 } 6285 SCTP_INP_RUNLOCK(inp); 6286 } 6287 } 6288 break; 6289 } 6290 case SCTP_PEER_ADDR_THLDS: 6291 /* Applies to the specific association */ 6292 { 6293 struct sctp_paddrthlds *thlds; 6294 struct sctp_nets *net; 6295 struct sockaddr *addr; 6296 6297 #if defined(INET) && defined(INET6) 6298 struct sockaddr_in sin_store; 6299 6300 #endif 6301 6302 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6303 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6304 6305 #if defined(INET) && defined(INET6) 6306 if (thlds->spt_address.ss_family == AF_INET6) { 6307 struct sockaddr_in6 *sin6; 6308 6309 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6310 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6311 in6_sin6_2_sin(&sin_store, sin6); 6312 addr = (struct sockaddr *)&sin_store; 6313 } else { 6314 addr = (struct sockaddr *)&thlds->spt_address; 6315 } 6316 } else { 6317 addr = (struct sockaddr *)&thlds->spt_address; 6318 } 6319 #else 6320 addr = (struct sockaddr *)&thlds->spt_address; 6321 #endif 6322 if (stcb != NULL) { 6323 net = sctp_findnet(stcb, addr); 6324 } else { 6325 /* 6326 * We increment here since 6327 * sctp_findassociation_ep_addr() wil do a 6328 * decrement if it finds the stcb as long as 6329 * the locked tcb (last argument) is NOT a 6330 * TCB.. aka NULL. 6331 */ 6332 net = NULL; 6333 SCTP_INP_INCR_REF(inp); 6334 stcb = sctp_findassociation_ep_addr(&inp, addr, 6335 &net, NULL, NULL); 6336 if (stcb == NULL) { 6337 SCTP_INP_DECR_REF(inp); 6338 } 6339 } 6340 if ((stcb != NULL) && (net == NULL)) { 6341 #ifdef INET 6342 if (addr->sa_family == AF_INET) { 6343 6344 struct sockaddr_in *sin; 6345 6346 sin = (struct sockaddr_in *)addr; 6347 if (sin->sin_addr.s_addr != INADDR_ANY) { 6348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6349 SCTP_TCB_UNLOCK(stcb); 6350 error = EINVAL; 6351 break; 6352 } 6353 } else 6354 #endif 6355 #ifdef INET6 6356 if (addr->sa_family == AF_INET6) { 6357 struct sockaddr_in6 *sin6; 6358 6359 sin6 = (struct sockaddr_in6 *)addr; 6360 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6362 SCTP_TCB_UNLOCK(stcb); 6363 error = EINVAL; 6364 break; 6365 } 6366 } else 6367 #endif 6368 { 6369 error = EAFNOSUPPORT; 6370 SCTP_TCB_UNLOCK(stcb); 6371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6372 break; 6373 } 6374 } 6375 if (stcb != NULL) { 6376 if (net != NULL) { 6377 net->failure_threshold = thlds->spt_pathmaxrxt; 6378 net->pf_threshold = thlds->spt_pathpfthld; 6379 if (net->dest_state & SCTP_ADDR_PF) { 6380 if ((net->error_count > net->failure_threshold) || 6381 (net->error_count <= net->pf_threshold)) { 6382 net->dest_state &= ~SCTP_ADDR_PF; 6383 } 6384 } else { 6385 if ((net->error_count > net->pf_threshold) && 6386 (net->error_count <= net->failure_threshold)) { 6387 net->dest_state |= SCTP_ADDR_PF; 6388 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6389 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6390 stcb->sctp_ep, stcb, net, 6391 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6392 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6393 } 6394 } 6395 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6396 if (net->error_count > net->failure_threshold) { 6397 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6398 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6399 } 6400 } else { 6401 if (net->error_count <= net->failure_threshold) { 6402 net->dest_state |= SCTP_ADDR_REACHABLE; 6403 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6404 } 6405 } 6406 } else { 6407 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6408 net->failure_threshold = thlds->spt_pathmaxrxt; 6409 net->pf_threshold = thlds->spt_pathpfthld; 6410 if (net->dest_state & SCTP_ADDR_PF) { 6411 if ((net->error_count > net->failure_threshold) || 6412 (net->error_count <= net->pf_threshold)) { 6413 net->dest_state &= ~SCTP_ADDR_PF; 6414 } 6415 } else { 6416 if ((net->error_count > net->pf_threshold) && 6417 (net->error_count <= net->failure_threshold)) { 6418 net->dest_state |= SCTP_ADDR_PF; 6419 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6420 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6421 stcb->sctp_ep, stcb, net, 6422 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6423 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6424 } 6425 } 6426 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6427 if (net->error_count > net->failure_threshold) { 6428 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6429 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6430 } 6431 } else { 6432 if (net->error_count <= net->failure_threshold) { 6433 net->dest_state |= SCTP_ADDR_REACHABLE; 6434 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6435 } 6436 } 6437 } 6438 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6439 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6440 } 6441 SCTP_TCB_UNLOCK(stcb); 6442 } else { 6443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6445 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6446 SCTP_INP_WLOCK(inp); 6447 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6448 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6449 SCTP_INP_WUNLOCK(inp); 6450 } else { 6451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6452 error = EINVAL; 6453 } 6454 } 6455 break; 6456 } 6457 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6458 { 6459 struct sctp_udpencaps *encaps; 6460 struct sctp_nets *net; 6461 struct sockaddr *addr; 6462 6463 #if defined(INET) && defined(INET6) 6464 struct sockaddr_in sin_store; 6465 6466 #endif 6467 6468 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6469 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6470 6471 #if defined(INET) && defined(INET6) 6472 if (encaps->sue_address.ss_family == AF_INET6) { 6473 struct sockaddr_in6 *sin6; 6474 6475 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6476 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6477 in6_sin6_2_sin(&sin_store, sin6); 6478 addr = (struct sockaddr *)&sin_store; 6479 } else { 6480 addr = (struct sockaddr *)&encaps->sue_address; 6481 } 6482 } else { 6483 addr = (struct sockaddr *)&encaps->sue_address; 6484 } 6485 #else 6486 addr = (struct sockaddr *)&encaps->sue_address; 6487 #endif 6488 if (stcb != NULL) { 6489 net = sctp_findnet(stcb, addr); 6490 } else { 6491 /* 6492 * We increment here since 6493 * sctp_findassociation_ep_addr() wil do a 6494 * decrement if it finds the stcb as long as 6495 * the locked tcb (last argument) is NOT a 6496 * TCB.. aka NULL. 6497 */ 6498 net = NULL; 6499 SCTP_INP_INCR_REF(inp); 6500 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6501 if (stcb == NULL) { 6502 SCTP_INP_DECR_REF(inp); 6503 } 6504 } 6505 if ((stcb != NULL) && (net == NULL)) { 6506 #ifdef INET 6507 if (addr->sa_family == AF_INET) { 6508 6509 struct sockaddr_in *sin; 6510 6511 sin = (struct sockaddr_in *)addr; 6512 if (sin->sin_addr.s_addr != INADDR_ANY) { 6513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6514 SCTP_TCB_UNLOCK(stcb); 6515 error = EINVAL; 6516 break; 6517 } 6518 } else 6519 #endif 6520 #ifdef INET6 6521 if (addr->sa_family == AF_INET6) { 6522 struct sockaddr_in6 *sin6; 6523 6524 sin6 = (struct sockaddr_in6 *)addr; 6525 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6527 SCTP_TCB_UNLOCK(stcb); 6528 error = EINVAL; 6529 break; 6530 } 6531 } else 6532 #endif 6533 { 6534 error = EAFNOSUPPORT; 6535 SCTP_TCB_UNLOCK(stcb); 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6537 break; 6538 } 6539 } 6540 if (stcb != NULL) { 6541 if (net != NULL) { 6542 net->port = encaps->sue_port; 6543 } else { 6544 stcb->asoc.port = encaps->sue_port; 6545 } 6546 SCTP_TCB_UNLOCK(stcb); 6547 } else { 6548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6550 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6551 SCTP_INP_WLOCK(inp); 6552 inp->sctp_ep.port = encaps->sue_port; 6553 SCTP_INP_WUNLOCK(inp); 6554 } else { 6555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6556 error = EINVAL; 6557 } 6558 } 6559 break; 6560 } 6561 case SCTP_ECN_SUPPORTED: 6562 { 6563 struct sctp_assoc_value *av; 6564 6565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6567 6568 if (stcb) { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 SCTP_TCB_UNLOCK(stcb); 6572 } else { 6573 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6574 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6575 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6576 SCTP_INP_WLOCK(inp); 6577 if (av->assoc_value == 0) { 6578 inp->ecn_supported = 0; 6579 } else { 6580 inp->ecn_supported = 1; 6581 } 6582 SCTP_INP_WUNLOCK(inp); 6583 } else { 6584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6585 error = EINVAL; 6586 } 6587 } 6588 break; 6589 } 6590 case SCTP_PR_SUPPORTED: 6591 { 6592 struct sctp_assoc_value *av; 6593 6594 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6595 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6596 6597 if (stcb) { 6598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6599 error = EINVAL; 6600 SCTP_TCB_UNLOCK(stcb); 6601 } else { 6602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6604 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6605 SCTP_INP_WLOCK(inp); 6606 if (av->assoc_value == 0) { 6607 inp->prsctp_supported = 0; 6608 } else { 6609 inp->prsctp_supported = 1; 6610 } 6611 SCTP_INP_WUNLOCK(inp); 6612 } else { 6613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6614 error = EINVAL; 6615 } 6616 } 6617 break; 6618 } 6619 case SCTP_AUTH_SUPPORTED: 6620 { 6621 struct sctp_assoc_value *av; 6622 6623 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6624 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6625 6626 if (stcb) { 6627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6628 error = EINVAL; 6629 SCTP_TCB_UNLOCK(stcb); 6630 } else { 6631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6633 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6634 if ((av->assoc_value == 0) && 6635 (inp->asconf_supported == 1)) { 6636 /* 6637 * AUTH is required for 6638 * ASCONF 6639 */ 6640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6641 error = EINVAL; 6642 } else { 6643 SCTP_INP_WLOCK(inp); 6644 if (av->assoc_value == 0) { 6645 inp->auth_supported = 0; 6646 } else { 6647 inp->auth_supported = 1; 6648 } 6649 SCTP_INP_WUNLOCK(inp); 6650 } 6651 } else { 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6653 error = EINVAL; 6654 } 6655 } 6656 break; 6657 } 6658 case SCTP_ASCONF_SUPPORTED: 6659 { 6660 struct sctp_assoc_value *av; 6661 6662 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6663 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6664 6665 if (stcb) { 6666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6667 error = EINVAL; 6668 SCTP_TCB_UNLOCK(stcb); 6669 } else { 6670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6671 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6672 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6673 if ((av->assoc_value != 0) && 6674 (inp->auth_supported == 0)) { 6675 /* 6676 * AUTH is required for 6677 * ASCONF 6678 */ 6679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6680 error = EINVAL; 6681 } else { 6682 SCTP_INP_WLOCK(inp); 6683 if (av->assoc_value == 0) { 6684 inp->asconf_supported = 0; 6685 sctp_auth_delete_chunk(SCTP_ASCONF, 6686 inp->sctp_ep.local_auth_chunks); 6687 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6688 inp->sctp_ep.local_auth_chunks); 6689 } else { 6690 inp->asconf_supported = 1; 6691 sctp_auth_add_chunk(SCTP_ASCONF, 6692 inp->sctp_ep.local_auth_chunks); 6693 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6694 inp->sctp_ep.local_auth_chunks); 6695 } 6696 SCTP_INP_WUNLOCK(inp); 6697 } 6698 } else { 6699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6700 error = EINVAL; 6701 } 6702 } 6703 break; 6704 } 6705 case SCTP_RECONFIG_SUPPORTED: 6706 { 6707 struct sctp_assoc_value *av; 6708 6709 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6710 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6711 6712 if (stcb) { 6713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6714 error = EINVAL; 6715 SCTP_TCB_UNLOCK(stcb); 6716 } else { 6717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6720 SCTP_INP_WLOCK(inp); 6721 if (av->assoc_value == 0) { 6722 inp->reconfig_supported = 0; 6723 } else { 6724 inp->reconfig_supported = 1; 6725 } 6726 SCTP_INP_WUNLOCK(inp); 6727 } else { 6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6729 error = EINVAL; 6730 } 6731 } 6732 break; 6733 } 6734 case SCTP_NRSACK_SUPPORTED: 6735 { 6736 struct sctp_assoc_value *av; 6737 6738 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6739 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6740 6741 if (stcb) { 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 SCTP_TCB_UNLOCK(stcb); 6745 } else { 6746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6748 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6749 SCTP_INP_WLOCK(inp); 6750 if (av->assoc_value == 0) { 6751 inp->nrsack_supported = 0; 6752 } else { 6753 inp->nrsack_supported = 1; 6754 } 6755 SCTP_INP_WUNLOCK(inp); 6756 } else { 6757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6758 error = EINVAL; 6759 } 6760 } 6761 break; 6762 } 6763 case SCTP_PKTDROP_SUPPORTED: 6764 { 6765 struct sctp_assoc_value *av; 6766 6767 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6768 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6769 6770 if (stcb) { 6771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6772 error = EINVAL; 6773 SCTP_TCB_UNLOCK(stcb); 6774 } else { 6775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6777 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6778 SCTP_INP_WLOCK(inp); 6779 if (av->assoc_value == 0) { 6780 inp->pktdrop_supported = 0; 6781 } else { 6782 inp->pktdrop_supported = 1; 6783 } 6784 SCTP_INP_WUNLOCK(inp); 6785 } else { 6786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6787 error = EINVAL; 6788 } 6789 } 6790 break; 6791 } 6792 case SCTP_MAX_CWND: 6793 { 6794 struct sctp_assoc_value *av; 6795 struct sctp_nets *net; 6796 6797 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6798 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6799 6800 if (stcb) { 6801 stcb->asoc.max_cwnd = av->assoc_value; 6802 if (stcb->asoc.max_cwnd > 0) { 6803 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6804 if ((net->cwnd > stcb->asoc.max_cwnd) && 6805 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6806 net->cwnd = stcb->asoc.max_cwnd; 6807 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6808 net->cwnd = net->mtu - sizeof(struct sctphdr); 6809 } 6810 } 6811 } 6812 } 6813 SCTP_TCB_UNLOCK(stcb); 6814 } else { 6815 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6816 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6817 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6818 SCTP_INP_WLOCK(inp); 6819 inp->max_cwnd = av->assoc_value; 6820 SCTP_INP_WUNLOCK(inp); 6821 } else { 6822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6823 error = EINVAL; 6824 } 6825 } 6826 break; 6827 } 6828 default: 6829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6830 error = ENOPROTOOPT; 6831 break; 6832 } /* end switch (opt) */ 6833 return (error); 6834 } 6835 6836 int 6837 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6838 { 6839 void *optval = NULL; 6840 size_t optsize = 0; 6841 void *p; 6842 int error = 0; 6843 struct sctp_inpcb *inp; 6844 6845 if ((sopt->sopt_level == SOL_SOCKET) && 6846 (sopt->sopt_name == SO_SETFIB)) { 6847 inp = (struct sctp_inpcb *)so->so_pcb; 6848 if (inp == NULL) { 6849 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6850 return (EINVAL); 6851 } 6852 SCTP_INP_WLOCK(inp); 6853 inp->fibnum = so->so_fibnum; 6854 SCTP_INP_WUNLOCK(inp); 6855 return (0); 6856 } 6857 if (sopt->sopt_level != IPPROTO_SCTP) { 6858 /* wrong proto level... send back up to IP */ 6859 #ifdef INET6 6860 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6861 error = ip6_ctloutput(so, sopt); 6862 #endif /* INET6 */ 6863 #if defined(INET) && defined(INET6) 6864 else 6865 #endif 6866 #ifdef INET 6867 error = ip_ctloutput(so, sopt); 6868 #endif 6869 return (error); 6870 } 6871 optsize = sopt->sopt_valsize; 6872 if (optsize) { 6873 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6874 if (optval == NULL) { 6875 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6876 return (ENOBUFS); 6877 } 6878 error = sooptcopyin(sopt, optval, optsize, optsize); 6879 if (error) { 6880 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6881 goto out; 6882 } 6883 } 6884 p = (void *)sopt->sopt_td; 6885 if (sopt->sopt_dir == SOPT_SET) { 6886 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6887 } else if (sopt->sopt_dir == SOPT_GET) { 6888 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6889 } else { 6890 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6891 error = EINVAL; 6892 } 6893 if ((error == 0) && (optval != NULL)) { 6894 error = sooptcopyout(sopt, optval, optsize); 6895 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6896 } else if (optval != NULL) { 6897 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6898 } 6899 out: 6900 return (error); 6901 } 6902 6903 #ifdef INET 6904 static int 6905 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6906 { 6907 int error = 0; 6908 int create_lock_on = 0; 6909 uint32_t vrf_id; 6910 struct sctp_inpcb *inp; 6911 struct sctp_tcb *stcb = NULL; 6912 6913 inp = (struct sctp_inpcb *)so->so_pcb; 6914 if (inp == NULL) { 6915 /* I made the same as TCP since we are not setup? */ 6916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6917 return (ECONNRESET); 6918 } 6919 if (addr == NULL) { 6920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6921 return EINVAL; 6922 } 6923 switch (addr->sa_family) { 6924 #ifdef INET6 6925 case AF_INET6: 6926 { 6927 struct sockaddr_in6 *sin6p; 6928 6929 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6931 return (EINVAL); 6932 } 6933 sin6p = (struct sockaddr_in6 *)addr; 6934 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6936 return (error); 6937 } 6938 break; 6939 } 6940 #endif 6941 #ifdef INET 6942 case AF_INET: 6943 { 6944 struct sockaddr_in *sinp; 6945 6946 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6948 return (EINVAL); 6949 } 6950 sinp = (struct sockaddr_in *)addr; 6951 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6953 return (error); 6954 } 6955 break; 6956 } 6957 #endif 6958 default: 6959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6960 return (EAFNOSUPPORT); 6961 } 6962 SCTP_INP_INCR_REF(inp); 6963 SCTP_ASOC_CREATE_LOCK(inp); 6964 create_lock_on = 1; 6965 6966 6967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6968 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6969 /* Should I really unlock ? */ 6970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6971 error = EFAULT; 6972 goto out_now; 6973 } 6974 #ifdef INET6 6975 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6976 (addr->sa_family == AF_INET6)) { 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6978 error = EINVAL; 6979 goto out_now; 6980 } 6981 #endif 6982 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6983 SCTP_PCB_FLAGS_UNBOUND) { 6984 /* Bind a ephemeral port */ 6985 error = sctp_inpcb_bind(so, NULL, NULL, p); 6986 if (error) { 6987 goto out_now; 6988 } 6989 } 6990 /* Now do we connect? */ 6991 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6992 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6994 error = EINVAL; 6995 goto out_now; 6996 } 6997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6998 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6999 /* We are already connected AND the TCP model */ 7000 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7001 error = EADDRINUSE; 7002 goto out_now; 7003 } 7004 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7005 SCTP_INP_RLOCK(inp); 7006 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7007 SCTP_INP_RUNLOCK(inp); 7008 } else { 7009 /* 7010 * We increment here since sctp_findassociation_ep_addr() 7011 * will do a decrement if it finds the stcb as long as the 7012 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7013 */ 7014 SCTP_INP_INCR_REF(inp); 7015 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7016 if (stcb == NULL) { 7017 SCTP_INP_DECR_REF(inp); 7018 } else { 7019 SCTP_TCB_UNLOCK(stcb); 7020 } 7021 } 7022 if (stcb != NULL) { 7023 /* Already have or am bring up an association */ 7024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7025 error = EALREADY; 7026 goto out_now; 7027 } 7028 vrf_id = inp->def_vrf_id; 7029 /* We are GOOD to go */ 7030 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 7031 if (stcb == NULL) { 7032 /* Gak! no memory */ 7033 goto out_now; 7034 } 7035 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7036 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7037 /* Set the connected flag so we can queue data */ 7038 soisconnecting(so); 7039 } 7040 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7041 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7042 7043 /* initialize authentication parameters for the assoc */ 7044 sctp_initialize_auth_params(inp, stcb); 7045 7046 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7047 SCTP_TCB_UNLOCK(stcb); 7048 out_now: 7049 if (create_lock_on) { 7050 SCTP_ASOC_CREATE_UNLOCK(inp); 7051 } 7052 SCTP_INP_DECR_REF(inp); 7053 return (error); 7054 } 7055 7056 #endif 7057 7058 int 7059 sctp_listen(struct socket *so, int backlog, struct thread *p) 7060 { 7061 /* 7062 * Note this module depends on the protocol processing being called 7063 * AFTER any socket level flags and backlog are applied to the 7064 * socket. The traditional way that the socket flags are applied is 7065 * AFTER protocol processing. We have made a change to the 7066 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7067 * place if the socket API for SCTP is to work properly. 7068 */ 7069 7070 int error = 0; 7071 struct sctp_inpcb *inp; 7072 7073 inp = (struct sctp_inpcb *)so->so_pcb; 7074 if (inp == NULL) { 7075 /* I made the same as TCP since we are not setup? */ 7076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7077 return (ECONNRESET); 7078 } 7079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7080 /* See if we have a listener */ 7081 struct sctp_inpcb *tinp; 7082 union sctp_sockstore store; 7083 7084 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7085 /* not bound all */ 7086 struct sctp_laddr *laddr; 7087 7088 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7089 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7090 switch (store.sa.sa_family) { 7091 #ifdef INET 7092 case AF_INET: 7093 store.sin.sin_port = inp->sctp_lport; 7094 break; 7095 #endif 7096 #ifdef INET6 7097 case AF_INET6: 7098 store.sin6.sin6_port = inp->sctp_lport; 7099 break; 7100 #endif 7101 default: 7102 break; 7103 } 7104 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7105 if (tinp && (tinp != inp) && 7106 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7107 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7108 (tinp->sctp_socket->so_qlimit)) { 7109 /* 7110 * we have a listener already and 7111 * its not this inp. 7112 */ 7113 SCTP_INP_DECR_REF(tinp); 7114 return (EADDRINUSE); 7115 } else if (tinp) { 7116 SCTP_INP_DECR_REF(tinp); 7117 } 7118 } 7119 } else { 7120 /* Setup a local addr bound all */ 7121 memset(&store, 0, sizeof(store)); 7122 #ifdef INET6 7123 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7124 store.sa.sa_family = AF_INET6; 7125 store.sa.sa_len = sizeof(struct sockaddr_in6); 7126 } 7127 #endif 7128 #ifdef INET 7129 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7130 store.sa.sa_family = AF_INET; 7131 store.sa.sa_len = sizeof(struct sockaddr_in); 7132 } 7133 #endif 7134 switch (store.sa.sa_family) { 7135 #ifdef INET 7136 case AF_INET: 7137 store.sin.sin_port = inp->sctp_lport; 7138 break; 7139 #endif 7140 #ifdef INET6 7141 case AF_INET6: 7142 store.sin6.sin6_port = inp->sctp_lport; 7143 break; 7144 #endif 7145 default: 7146 break; 7147 } 7148 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7149 if (tinp && (tinp != inp) && 7150 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7151 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7152 (tinp->sctp_socket->so_qlimit)) { 7153 /* 7154 * we have a listener already and its not 7155 * this inp. 7156 */ 7157 SCTP_INP_DECR_REF(tinp); 7158 return (EADDRINUSE); 7159 } else if (tinp) { 7160 SCTP_INP_DECR_REF(tinp); 7161 } 7162 } 7163 } 7164 SCTP_INP_RLOCK(inp); 7165 #ifdef SCTP_LOCK_LOGGING 7166 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7167 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7168 } 7169 #endif 7170 SOCK_LOCK(so); 7171 error = solisten_proto_check(so); 7172 SOCK_UNLOCK(so); 7173 if (error) { 7174 SCTP_INP_RUNLOCK(inp); 7175 return (error); 7176 } 7177 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7178 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7179 /* 7180 * The unlucky case - We are in the tcp pool with this guy. 7181 * - Someone else is in the main inp slot. - We must move 7182 * this guy (the listener) to the main slot - We must then 7183 * move the guy that was listener to the TCP Pool. 7184 */ 7185 if (sctp_swap_inpcb_for_listen(inp)) { 7186 SCTP_INP_RUNLOCK(inp); 7187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7188 return (EADDRINUSE); 7189 } 7190 } 7191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7192 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7193 /* We are already connected AND the TCP model */ 7194 SCTP_INP_RUNLOCK(inp); 7195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7196 return (EADDRINUSE); 7197 } 7198 SCTP_INP_RUNLOCK(inp); 7199 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7200 /* We must do a bind. */ 7201 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7202 /* bind error, probably perm */ 7203 return (error); 7204 } 7205 } 7206 SOCK_LOCK(so); 7207 /* It appears for 7.0 and on, we must always call this. */ 7208 solisten_proto(so, backlog); 7209 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7210 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7211 so->so_options &= ~SO_ACCEPTCONN; 7212 } 7213 if (backlog == 0) { 7214 /* turning off listen */ 7215 so->so_options &= ~SO_ACCEPTCONN; 7216 } 7217 SOCK_UNLOCK(so); 7218 return (error); 7219 } 7220 7221 static int sctp_defered_wakeup_cnt = 0; 7222 7223 int 7224 sctp_accept(struct socket *so, struct sockaddr **addr) 7225 { 7226 struct sctp_tcb *stcb; 7227 struct sctp_inpcb *inp; 7228 union sctp_sockstore store; 7229 7230 #ifdef INET6 7231 int error; 7232 7233 #endif 7234 inp = (struct sctp_inpcb *)so->so_pcb; 7235 7236 if (inp == NULL) { 7237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7238 return (ECONNRESET); 7239 } 7240 SCTP_INP_RLOCK(inp); 7241 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7242 SCTP_INP_RUNLOCK(inp); 7243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7244 return (EOPNOTSUPP); 7245 } 7246 if (so->so_state & SS_ISDISCONNECTED) { 7247 SCTP_INP_RUNLOCK(inp); 7248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7249 return (ECONNABORTED); 7250 } 7251 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7252 if (stcb == NULL) { 7253 SCTP_INP_RUNLOCK(inp); 7254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7255 return (ECONNRESET); 7256 } 7257 SCTP_TCB_LOCK(stcb); 7258 SCTP_INP_RUNLOCK(inp); 7259 store = stcb->asoc.primary_destination->ro._l_addr; 7260 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7261 SCTP_TCB_UNLOCK(stcb); 7262 switch (store.sa.sa_family) { 7263 #ifdef INET 7264 case AF_INET: 7265 { 7266 struct sockaddr_in *sin; 7267 7268 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7269 if (sin == NULL) 7270 return (ENOMEM); 7271 sin->sin_family = AF_INET; 7272 sin->sin_len = sizeof(*sin); 7273 sin->sin_port = store.sin.sin_port; 7274 sin->sin_addr = store.sin.sin_addr; 7275 *addr = (struct sockaddr *)sin; 7276 break; 7277 } 7278 #endif 7279 #ifdef INET6 7280 case AF_INET6: 7281 { 7282 struct sockaddr_in6 *sin6; 7283 7284 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7285 if (sin6 == NULL) 7286 return (ENOMEM); 7287 sin6->sin6_family = AF_INET6; 7288 sin6->sin6_len = sizeof(*sin6); 7289 sin6->sin6_port = store.sin6.sin6_port; 7290 sin6->sin6_addr = store.sin6.sin6_addr; 7291 if ((error = sa6_recoverscope(sin6)) != 0) { 7292 SCTP_FREE_SONAME(sin6); 7293 return (error); 7294 } 7295 *addr = (struct sockaddr *)sin6; 7296 break; 7297 } 7298 #endif 7299 default: 7300 /* TSNH */ 7301 break; 7302 } 7303 /* Wake any delayed sleep action */ 7304 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7305 SCTP_INP_WLOCK(inp); 7306 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7307 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7308 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7309 SCTP_INP_WUNLOCK(inp); 7310 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7311 if (sowriteable(inp->sctp_socket)) { 7312 sowwakeup_locked(inp->sctp_socket); 7313 } else { 7314 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7315 } 7316 SCTP_INP_WLOCK(inp); 7317 } 7318 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7319 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7320 SCTP_INP_WUNLOCK(inp); 7321 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7322 if (soreadable(inp->sctp_socket)) { 7323 sctp_defered_wakeup_cnt++; 7324 sorwakeup_locked(inp->sctp_socket); 7325 } else { 7326 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7327 } 7328 SCTP_INP_WLOCK(inp); 7329 } 7330 SCTP_INP_WUNLOCK(inp); 7331 } 7332 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7333 SCTP_TCB_LOCK(stcb); 7334 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7335 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7336 } 7337 return (0); 7338 } 7339 7340 #ifdef INET 7341 int 7342 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7343 { 7344 struct sockaddr_in *sin; 7345 uint32_t vrf_id; 7346 struct sctp_inpcb *inp; 7347 struct sctp_ifa *sctp_ifa; 7348 7349 /* 7350 * Do the malloc first in case it blocks. 7351 */ 7352 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7353 if (sin == NULL) 7354 return (ENOMEM); 7355 sin->sin_family = AF_INET; 7356 sin->sin_len = sizeof(*sin); 7357 inp = (struct sctp_inpcb *)so->so_pcb; 7358 if (!inp) { 7359 SCTP_FREE_SONAME(sin); 7360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7361 return (ECONNRESET); 7362 } 7363 SCTP_INP_RLOCK(inp); 7364 sin->sin_port = inp->sctp_lport; 7365 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7366 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7367 struct sctp_tcb *stcb; 7368 struct sockaddr_in *sin_a; 7369 struct sctp_nets *net; 7370 int fnd; 7371 7372 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7373 if (stcb == NULL) { 7374 goto notConn; 7375 } 7376 fnd = 0; 7377 sin_a = NULL; 7378 SCTP_TCB_LOCK(stcb); 7379 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7380 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7381 if (sin_a == NULL) 7382 /* this will make coverity happy */ 7383 continue; 7384 7385 if (sin_a->sin_family == AF_INET) { 7386 fnd = 1; 7387 break; 7388 } 7389 } 7390 if ((!fnd) || (sin_a == NULL)) { 7391 /* punt */ 7392 SCTP_TCB_UNLOCK(stcb); 7393 goto notConn; 7394 } 7395 vrf_id = inp->def_vrf_id; 7396 sctp_ifa = sctp_source_address_selection(inp, 7397 stcb, 7398 (sctp_route_t *) & net->ro, 7399 net, 0, vrf_id); 7400 if (sctp_ifa) { 7401 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7402 sctp_free_ifa(sctp_ifa); 7403 } 7404 SCTP_TCB_UNLOCK(stcb); 7405 } else { 7406 /* For the bound all case you get back 0 */ 7407 notConn: 7408 sin->sin_addr.s_addr = 0; 7409 } 7410 7411 } else { 7412 /* Take the first IPv4 address in the list */ 7413 struct sctp_laddr *laddr; 7414 int fnd = 0; 7415 7416 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7417 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7418 struct sockaddr_in *sin_a; 7419 7420 sin_a = &laddr->ifa->address.sin; 7421 sin->sin_addr = sin_a->sin_addr; 7422 fnd = 1; 7423 break; 7424 } 7425 } 7426 if (!fnd) { 7427 SCTP_FREE_SONAME(sin); 7428 SCTP_INP_RUNLOCK(inp); 7429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7430 return (ENOENT); 7431 } 7432 } 7433 SCTP_INP_RUNLOCK(inp); 7434 (*addr) = (struct sockaddr *)sin; 7435 return (0); 7436 } 7437 7438 int 7439 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7440 { 7441 struct sockaddr_in *sin; 7442 int fnd; 7443 struct sockaddr_in *sin_a; 7444 struct sctp_inpcb *inp; 7445 struct sctp_tcb *stcb; 7446 struct sctp_nets *net; 7447 7448 /* Do the malloc first in case it blocks. */ 7449 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7450 if (sin == NULL) 7451 return (ENOMEM); 7452 sin->sin_family = AF_INET; 7453 sin->sin_len = sizeof(*sin); 7454 7455 inp = (struct sctp_inpcb *)so->so_pcb; 7456 if ((inp == NULL) || 7457 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7458 /* UDP type and listeners will drop out here */ 7459 SCTP_FREE_SONAME(sin); 7460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7461 return (ENOTCONN); 7462 } 7463 SCTP_INP_RLOCK(inp); 7464 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7465 if (stcb) { 7466 SCTP_TCB_LOCK(stcb); 7467 } 7468 SCTP_INP_RUNLOCK(inp); 7469 if (stcb == NULL) { 7470 SCTP_FREE_SONAME(sin); 7471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7472 return (ECONNRESET); 7473 } 7474 fnd = 0; 7475 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7476 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7477 if (sin_a->sin_family == AF_INET) { 7478 fnd = 1; 7479 sin->sin_port = stcb->rport; 7480 sin->sin_addr = sin_a->sin_addr; 7481 break; 7482 } 7483 } 7484 SCTP_TCB_UNLOCK(stcb); 7485 if (!fnd) { 7486 /* No IPv4 address */ 7487 SCTP_FREE_SONAME(sin); 7488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7489 return (ENOENT); 7490 } 7491 (*addr) = (struct sockaddr *)sin; 7492 return (0); 7493 } 7494 7495 struct pr_usrreqs sctp_usrreqs = { 7496 .pru_abort = sctp_abort, 7497 .pru_accept = sctp_accept, 7498 .pru_attach = sctp_attach, 7499 .pru_bind = sctp_bind, 7500 .pru_connect = sctp_connect, 7501 .pru_control = in_control, 7502 .pru_close = sctp_close, 7503 .pru_detach = sctp_close, 7504 .pru_sopoll = sopoll_generic, 7505 .pru_flush = sctp_flush, 7506 .pru_disconnect = sctp_disconnect, 7507 .pru_listen = sctp_listen, 7508 .pru_peeraddr = sctp_peeraddr, 7509 .pru_send = sctp_sendm, 7510 .pru_shutdown = sctp_shutdown, 7511 .pru_sockaddr = sctp_ingetaddr, 7512 .pru_sosend = sctp_sosend, 7513 .pru_soreceive = sctp_soreceive 7514 }; 7515 7516 #endif 7517