1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX whichever is smaller for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 } 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 sctp_pcb_finish(); 99 } 100 101 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 102 #endif 103 104 void 105 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 106 { 107 struct sctp_tmit_chunk *chk; 108 uint16_t overhead; 109 110 /* Adjust that too */ 111 stcb->asoc.smallest_mtu = nxtsz; 112 /* now off to subtract IP_DF flag if needed */ 113 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 114 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 115 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 120 } 121 } 122 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 123 if ((chk->send_size + overhead) > nxtsz) { 124 /* 125 * For this guy we also mark for immediate resend 126 * since we sent to big of chunk 127 */ 128 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 129 if (chk->sent < SCTP_DATAGRAM_RESEND) { 130 sctp_flight_size_decrease(chk); 131 sctp_total_flight_decrease(stcb, chk); 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 134 chk->rec.data.doing_fast_retransmit = 0; 135 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 136 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 137 chk->whoTo->flight_size, 138 chk->book_size, 139 (uint32_t)(uintptr_t)chk->whoTo, 140 chk->rec.data.tsn); 141 } 142 /* Clear any time so NO RTT is being done */ 143 chk->do_rtt = 0; 144 } 145 } 146 } 147 } 148 149 #ifdef INET 150 void 151 sctp_notify(struct sctp_inpcb *inp, 152 struct sctp_tcb *stcb, 153 struct sctp_nets *net, 154 uint8_t icmp_type, 155 uint8_t icmp_code, 156 uint16_t ip_len, 157 uint32_t next_mtu) 158 { 159 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 160 struct socket *so; 161 #endif 162 int timer_stopped; 163 164 if (icmp_type != ICMP_UNREACH) { 165 /* We only care about unreachable */ 166 SCTP_TCB_UNLOCK(stcb); 167 return; 168 } 169 if ((icmp_code == ICMP_UNREACH_NET) || 170 (icmp_code == ICMP_UNREACH_HOST) || 171 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 172 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 173 (icmp_code == ICMP_UNREACH_ISOLATED) || 174 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 175 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 176 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 177 /* Mark the net unreachable. */ 178 if (net->dest_state & SCTP_ADDR_REACHABLE) { 179 /* OK, that destination is NOT reachable. */ 180 net->dest_state &= ~SCTP_ADDR_REACHABLE; 181 net->dest_state &= ~SCTP_ADDR_PF; 182 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 183 stcb, 0, 184 (void *)net, SCTP_SO_NOT_LOCKED); 185 } 186 SCTP_TCB_UNLOCK(stcb); 187 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 188 (icmp_code == ICMP_UNREACH_PORT)) { 189 /* Treat it like an ABORT. */ 190 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 191 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 192 so = SCTP_INP_SO(inp); 193 atomic_add_int(&stcb->asoc.refcnt, 1); 194 SCTP_TCB_UNLOCK(stcb); 195 SCTP_SOCKET_LOCK(so, 1); 196 SCTP_TCB_LOCK(stcb); 197 atomic_subtract_int(&stcb->asoc.refcnt, 1); 198 #endif 199 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 200 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 201 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 202 SCTP_SOCKET_UNLOCK(so, 1); 203 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 204 #endif 205 /* no need to unlock here, since the TCB is gone */ 206 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 207 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 208 SCTP_TCB_UNLOCK(stcb); 209 return; 210 } 211 /* Find the next (smaller) MTU */ 212 if (next_mtu == 0) { 213 /* 214 * Old type router that does not tell us what the 215 * next MTU is. Rats we will have to guess (in a 216 * educated fashion of course). 217 */ 218 next_mtu = sctp_get_prev_mtu(ip_len); 219 } 220 /* Stop the PMTU timer. */ 221 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 222 timer_stopped = 1; 223 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 224 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 225 } else { 226 timer_stopped = 0; 227 } 228 /* Update the path MTU. */ 229 if (net->port) { 230 next_mtu -= sizeof(struct udphdr); 231 } 232 if (net->mtu > next_mtu) { 233 net->mtu = next_mtu; 234 if (net->port) { 235 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 236 } else { 237 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 238 } 239 } 240 /* Update the association MTU */ 241 if (stcb->asoc.smallest_mtu > next_mtu) { 242 sctp_pathmtu_adjustment(stcb, next_mtu); 243 } 244 /* Finally, start the PMTU timer if it was running before. */ 245 if (timer_stopped) { 246 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 247 } 248 SCTP_TCB_UNLOCK(stcb); 249 } else { 250 SCTP_TCB_UNLOCK(stcb); 251 } 252 } 253 254 void 255 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 256 { 257 struct ip *outer_ip; 258 struct ip *inner_ip; 259 struct sctphdr *sh; 260 struct icmp *icmp; 261 struct sctp_inpcb *inp; 262 struct sctp_tcb *stcb; 263 struct sctp_nets *net; 264 struct sctp_init_chunk *ch; 265 struct sockaddr_in src, dst; 266 267 if (sa->sa_family != AF_INET || 268 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 269 return; 270 } 271 if (PRC_IS_REDIRECT(cmd)) { 272 vip = NULL; 273 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 274 return; 275 } 276 if (vip != NULL) { 277 inner_ip = (struct ip *)vip; 278 icmp = (struct icmp *)((caddr_t)inner_ip - 279 (sizeof(struct icmp) - sizeof(struct ip))); 280 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 281 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 282 memset(&src, 0, sizeof(struct sockaddr_in)); 283 src.sin_family = AF_INET; 284 src.sin_len = sizeof(struct sockaddr_in); 285 src.sin_port = sh->src_port; 286 src.sin_addr = inner_ip->ip_src; 287 memset(&dst, 0, sizeof(struct sockaddr_in)); 288 dst.sin_family = AF_INET; 289 dst.sin_len = sizeof(struct sockaddr_in); 290 dst.sin_port = sh->dest_port; 291 dst.sin_addr = inner_ip->ip_dst; 292 /* 293 * 'dst' holds the dest of the packet that failed to be 294 * sent. 'src' holds our local endpoint address. Thus we 295 * reverse the dst and the src in the lookup. 296 */ 297 inp = NULL; 298 net = NULL; 299 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 300 (struct sockaddr *)&src, 301 &inp, &net, 1, 302 SCTP_DEFAULT_VRFID); 303 if ((stcb != NULL) && 304 (net != NULL) && 305 (inp != NULL)) { 306 /* Check the verification tag */ 307 if (ntohl(sh->v_tag) != 0) { 308 /* 309 * This must be the verification tag used 310 * for sending out packets. We don't 311 * consider packets reflecting the 312 * verification tag. 313 */ 314 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 315 SCTP_TCB_UNLOCK(stcb); 316 return; 317 } 318 } else { 319 if (ntohs(outer_ip->ip_len) >= 320 sizeof(struct ip) + 321 8 + (inner_ip->ip_hl << 2) + 20) { 322 /* 323 * In this case we can check if we 324 * got an INIT chunk and if the 325 * initiate tag matches. 326 */ 327 ch = (struct sctp_init_chunk *)(sh + 1); 328 if ((ch->ch.chunk_type != SCTP_INITIATION) || 329 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } else { 334 SCTP_TCB_UNLOCK(stcb); 335 return; 336 } 337 } 338 sctp_notify(inp, stcb, net, 339 icmp->icmp_type, 340 icmp->icmp_code, 341 ntohs(inner_ip->ip_len), 342 (uint32_t)ntohs(icmp->icmp_nextmtu)); 343 } else { 344 if ((stcb == NULL) && (inp != NULL)) { 345 /* reduce ref-count */ 346 SCTP_INP_WLOCK(inp); 347 SCTP_INP_DECR_REF(inp); 348 SCTP_INP_WUNLOCK(inp); 349 } 350 if (stcb) { 351 SCTP_TCB_UNLOCK(stcb); 352 } 353 } 354 } 355 return; 356 } 357 #endif 358 359 static int 360 sctp_getcred(SYSCTL_HANDLER_ARGS) 361 { 362 struct xucred xuc; 363 struct sockaddr_in addrs[2]; 364 struct sctp_inpcb *inp; 365 struct sctp_nets *net; 366 struct sctp_tcb *stcb; 367 int error; 368 uint32_t vrf_id; 369 370 /* FIX, for non-bsd is this right? */ 371 vrf_id = SCTP_DEFAULT_VRFID; 372 373 error = priv_check(req->td, PRIV_NETINET_GETCRED); 374 375 if (error) 376 return (error); 377 378 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 379 if (error) 380 return (error); 381 382 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 383 sintosa(&addrs[0]), 384 &inp, &net, 1, vrf_id); 385 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 386 if ((inp != NULL) && (stcb == NULL)) { 387 /* reduce ref-count */ 388 SCTP_INP_WLOCK(inp); 389 SCTP_INP_DECR_REF(inp); 390 goto cred_can_cont; 391 } 392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 393 error = ENOENT; 394 goto out; 395 } 396 SCTP_TCB_UNLOCK(stcb); 397 /* 398 * We use the write lock here, only since in the error leg we need 399 * it. If we used RLOCK, then we would have to 400 * wlock/decr/unlock/rlock. Which in theory could create a hole. 401 * Better to use higher wlock. 402 */ 403 SCTP_INP_WLOCK(inp); 404 cred_can_cont: 405 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 406 if (error) { 407 SCTP_INP_WUNLOCK(inp); 408 goto out; 409 } 410 cru2x(inp->sctp_socket->so_cred, &xuc); 411 SCTP_INP_WUNLOCK(inp); 412 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 413 out: 414 return (error); 415 } 416 417 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 418 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 419 420 421 #ifdef INET 422 static void 423 sctp_abort(struct socket *so) 424 { 425 struct sctp_inpcb *inp; 426 uint32_t flags; 427 428 inp = (struct sctp_inpcb *)so->so_pcb; 429 if (inp == NULL) { 430 return; 431 } 432 sctp_must_try_again: 433 flags = inp->sctp_flags; 434 #ifdef SCTP_LOG_CLOSING 435 sctp_log_closing(inp, NULL, 17); 436 #endif 437 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 438 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 439 #ifdef SCTP_LOG_CLOSING 440 sctp_log_closing(inp, NULL, 16); 441 #endif 442 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 443 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 444 SOCK_LOCK(so); 445 SCTP_SB_CLEAR(so->so_snd); 446 /* 447 * same for the rcv ones, they are only here for the 448 * accounting/select. 449 */ 450 SCTP_SB_CLEAR(so->so_rcv); 451 452 /* Now null out the reference, we are completely detached. */ 453 so->so_pcb = NULL; 454 SOCK_UNLOCK(so); 455 } else { 456 flags = inp->sctp_flags; 457 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 458 goto sctp_must_try_again; 459 } 460 } 461 return; 462 } 463 464 static int 465 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 466 { 467 struct sctp_inpcb *inp; 468 struct inpcb *ip_inp; 469 int error; 470 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 471 472 inp = (struct sctp_inpcb *)so->so_pcb; 473 if (inp != NULL) { 474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 475 return (EINVAL); 476 } 477 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 478 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 479 if (error) { 480 return (error); 481 } 482 } 483 error = sctp_inpcb_alloc(so, vrf_id); 484 if (error) { 485 return (error); 486 } 487 inp = (struct sctp_inpcb *)so->so_pcb; 488 SCTP_INP_WLOCK(inp); 489 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 490 ip_inp = &inp->ip_inp.inp; 491 ip_inp->inp_vflag |= INP_IPV4; 492 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 493 SCTP_INP_WUNLOCK(inp); 494 return (0); 495 } 496 497 static int 498 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 499 { 500 struct sctp_inpcb *inp; 501 502 inp = (struct sctp_inpcb *)so->so_pcb; 503 if (inp == NULL) { 504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 505 return (EINVAL); 506 } 507 if (addr != NULL) { 508 if ((addr->sa_family != AF_INET) || 509 (addr->sa_len != sizeof(struct sockaddr_in))) { 510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 511 return (EINVAL); 512 } 513 } 514 return (sctp_inpcb_bind(so, addr, NULL, p)); 515 } 516 517 #endif 518 void 519 sctp_close(struct socket *so) 520 { 521 struct sctp_inpcb *inp; 522 uint32_t flags; 523 524 inp = (struct sctp_inpcb *)so->so_pcb; 525 if (inp == NULL) 526 return; 527 528 /* 529 * Inform all the lower layer assoc that we are done. 530 */ 531 sctp_must_try_again: 532 flags = inp->sctp_flags; 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 17); 535 #endif 536 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 537 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 538 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 539 (so->so_rcv.sb_cc > 0)) { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 13); 542 #endif 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } else { 546 #ifdef SCTP_LOG_CLOSING 547 sctp_log_closing(inp, NULL, 14); 548 #endif 549 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 550 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 551 } 552 /* 553 * The socket is now detached, no matter what the state of 554 * the SCTP association. 555 */ 556 SOCK_LOCK(so); 557 SCTP_SB_CLEAR(so->so_snd); 558 /* 559 * same for the rcv ones, they are only here for the 560 * accounting/select. 561 */ 562 SCTP_SB_CLEAR(so->so_rcv); 563 564 /* Now null out the reference, we are completely detached. */ 565 so->so_pcb = NULL; 566 SOCK_UNLOCK(so); 567 } else { 568 flags = inp->sctp_flags; 569 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 570 goto sctp_must_try_again; 571 } 572 } 573 return; 574 } 575 576 577 int 578 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 579 struct mbuf *control, struct thread *p); 580 581 582 int 583 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 584 struct mbuf *control, struct thread *p) 585 { 586 struct sctp_inpcb *inp; 587 int error; 588 589 inp = (struct sctp_inpcb *)so->so_pcb; 590 if (inp == NULL) { 591 if (control) { 592 sctp_m_freem(control); 593 control = NULL; 594 } 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 596 sctp_m_freem(m); 597 return (EINVAL); 598 } 599 /* Got to have an to address if we are NOT a connected socket */ 600 if ((addr == NULL) && 601 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 602 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 603 goto connected_type; 604 } else if (addr == NULL) { 605 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 606 error = EDESTADDRREQ; 607 sctp_m_freem(m); 608 if (control) { 609 sctp_m_freem(control); 610 control = NULL; 611 } 612 return (error); 613 } 614 #ifdef INET6 615 if (addr->sa_family != AF_INET) { 616 /* must be a v4 address! */ 617 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 618 sctp_m_freem(m); 619 if (control) { 620 sctp_m_freem(control); 621 control = NULL; 622 } 623 error = EDESTADDRREQ; 624 return (error); 625 } 626 #endif /* INET6 */ 627 connected_type: 628 /* now what about control */ 629 if (control) { 630 if (inp->control) { 631 SCTP_PRINTF("huh? control set?\n"); 632 sctp_m_freem(inp->control); 633 inp->control = NULL; 634 } 635 inp->control = control; 636 } 637 /* Place the data */ 638 if (inp->pkt) { 639 SCTP_BUF_NEXT(inp->pkt_last) = m; 640 inp->pkt_last = m; 641 } else { 642 inp->pkt_last = inp->pkt = m; 643 } 644 if ( 645 /* FreeBSD uses a flag passed */ 646 ((flags & PRUS_MORETOCOME) == 0) 647 ) { 648 /* 649 * note with the current version this code will only be used 650 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 651 * re-defining sosend to use the sctp_sosend. One can 652 * optionally switch back to this code (by changing back the 653 * definitions) but this is not advisable. This code is used 654 * by FreeBSD when sending a file with sendfile() though. 655 */ 656 int ret; 657 658 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 659 inp->pkt = NULL; 660 inp->control = NULL; 661 return (ret); 662 } else { 663 return (0); 664 } 665 } 666 667 int 668 sctp_disconnect(struct socket *so) 669 { 670 struct sctp_inpcb *inp; 671 672 inp = (struct sctp_inpcb *)so->so_pcb; 673 if (inp == NULL) { 674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 675 return (ENOTCONN); 676 } 677 SCTP_INP_RLOCK(inp); 678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 680 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 681 /* No connection */ 682 SCTP_INP_RUNLOCK(inp); 683 return (0); 684 } else { 685 struct sctp_association *asoc; 686 struct sctp_tcb *stcb; 687 688 stcb = LIST_FIRST(&inp->sctp_asoc_list); 689 if (stcb == NULL) { 690 SCTP_INP_RUNLOCK(inp); 691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 692 return (EINVAL); 693 } 694 SCTP_TCB_LOCK(stcb); 695 asoc = &stcb->asoc; 696 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 697 /* We are about to be freed, out of here */ 698 SCTP_TCB_UNLOCK(stcb); 699 SCTP_INP_RUNLOCK(inp); 700 return (0); 701 } 702 if (((so->so_options & SO_LINGER) && 703 (so->so_linger == 0)) || 704 (so->so_rcv.sb_cc > 0)) { 705 if (SCTP_GET_STATE(asoc) != 706 SCTP_STATE_COOKIE_WAIT) { 707 /* Left with Data unread */ 708 struct mbuf *op_err; 709 710 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 711 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 712 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 713 } 714 SCTP_INP_RUNLOCK(inp); 715 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 720 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 721 /* No unlock tcb assoc is gone */ 722 return (0); 723 } 724 if (TAILQ_EMPTY(&asoc->send_queue) && 725 TAILQ_EMPTY(&asoc->sent_queue) && 726 (asoc->stream_queue_cnt == 0)) { 727 /* there is nothing queued to send, so done */ 728 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 729 goto abort_anyway; 730 } 731 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 732 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 733 /* only send SHUTDOWN 1st time thru */ 734 struct sctp_nets *netp; 735 736 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 737 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 738 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 739 } 740 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 741 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 742 sctp_stop_timers_for_shutdown(stcb); 743 if (stcb->asoc.alternate) { 744 netp = stcb->asoc.alternate; 745 } else { 746 netp = stcb->asoc.primary_destination; 747 } 748 sctp_send_shutdown(stcb, netp); 749 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 750 stcb->sctp_ep, stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 752 stcb->sctp_ep, stcb, netp); 753 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 754 } 755 } else { 756 /* 757 * we still got (or just got) data to send, 758 * so set SHUTDOWN_PENDING 759 */ 760 /* 761 * XXX sockets draft says that SCTP_EOF 762 * should be sent with no data. currently, 763 * we will allow user data to be sent first 764 * and move to SHUTDOWN-PENDING 765 */ 766 struct sctp_nets *netp; 767 768 if (stcb->asoc.alternate) { 769 netp = stcb->asoc.alternate; 770 } else { 771 netp = stcb->asoc.primary_destination; 772 } 773 774 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 775 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 776 netp); 777 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 778 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 779 } 780 if (TAILQ_EMPTY(&asoc->send_queue) && 781 TAILQ_EMPTY(&asoc->sent_queue) && 782 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 783 struct mbuf *op_err; 784 785 abort_anyway: 786 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 787 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 788 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 789 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 790 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 791 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 792 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 793 } 794 SCTP_INP_RUNLOCK(inp); 795 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 796 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 797 return (0); 798 } else { 799 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 800 } 801 } 802 soisdisconnecting(so); 803 SCTP_TCB_UNLOCK(stcb); 804 SCTP_INP_RUNLOCK(inp); 805 return (0); 806 } 807 /* not reached */ 808 } else { 809 /* UDP model does not support this */ 810 SCTP_INP_RUNLOCK(inp); 811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 812 return (EOPNOTSUPP); 813 } 814 } 815 816 int 817 sctp_flush(struct socket *so, int how) 818 { 819 /* 820 * We will just clear out the values and let subsequent close clear 821 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 822 * they will not be able to read the data, the socket will block 823 * that from happening. 824 */ 825 struct sctp_inpcb *inp; 826 827 inp = (struct sctp_inpcb *)so->so_pcb; 828 if (inp == NULL) { 829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 830 return (EINVAL); 831 } 832 SCTP_INP_RLOCK(inp); 833 /* For the 1 to many model this does nothing */ 834 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 835 SCTP_INP_RUNLOCK(inp); 836 return (0); 837 } 838 SCTP_INP_RUNLOCK(inp); 839 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 840 /* 841 * First make sure the sb will be happy, we don't use these 842 * except maybe the count 843 */ 844 SCTP_INP_WLOCK(inp); 845 SCTP_INP_READ_LOCK(inp); 846 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 847 SCTP_INP_READ_UNLOCK(inp); 848 SCTP_INP_WUNLOCK(inp); 849 so->so_rcv.sb_cc = 0; 850 so->so_rcv.sb_mbcnt = 0; 851 so->so_rcv.sb_mb = NULL; 852 } 853 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 854 /* 855 * First make sure the sb will be happy, we don't use these 856 * except maybe the count 857 */ 858 so->so_snd.sb_cc = 0; 859 so->so_snd.sb_mbcnt = 0; 860 so->so_snd.sb_mb = NULL; 861 862 } 863 return (0); 864 } 865 866 int 867 sctp_shutdown(struct socket *so) 868 { 869 struct sctp_inpcb *inp; 870 871 inp = (struct sctp_inpcb *)so->so_pcb; 872 if (inp == NULL) { 873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 874 return (EINVAL); 875 } 876 SCTP_INP_RLOCK(inp); 877 /* For UDP model this is a invalid call */ 878 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 879 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 880 /* Restore the flags that the soshutdown took away. */ 881 SOCKBUF_LOCK(&so->so_rcv); 882 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 883 SOCKBUF_UNLOCK(&so->so_rcv); 884 /* This proc will wakeup for read and do nothing (I hope) */ 885 SCTP_INP_RUNLOCK(inp); 886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 887 return (EOPNOTSUPP); 888 } else { 889 /* 890 * Ok, if we reach here its the TCP model and it is either a 891 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 892 * against it. 893 */ 894 struct sctp_tcb *stcb; 895 struct sctp_association *asoc; 896 struct sctp_nets *netp; 897 898 if ((so->so_state & 899 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 900 SCTP_INP_RUNLOCK(inp); 901 return (ENOTCONN); 902 } 903 socantsendmore(so); 904 905 stcb = LIST_FIRST(&inp->sctp_asoc_list); 906 if (stcb == NULL) { 907 /* 908 * Ok, we hit the case that the shutdown call was 909 * made after an abort or something. Nothing to do 910 * now. 911 */ 912 SCTP_INP_RUNLOCK(inp); 913 return (0); 914 } 915 SCTP_TCB_LOCK(stcb); 916 asoc = &stcb->asoc; 917 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 918 SCTP_TCB_UNLOCK(stcb); 919 SCTP_INP_RUNLOCK(inp); 920 return (0); 921 } 922 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 923 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 924 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 925 /* 926 * If we are not in or before ESTABLISHED, there is 927 * no protocol action required. 928 */ 929 SCTP_TCB_UNLOCK(stcb); 930 SCTP_INP_RUNLOCK(inp); 931 return (0); 932 } 933 if (stcb->asoc.alternate) { 934 netp = stcb->asoc.alternate; 935 } else { 936 netp = stcb->asoc.primary_destination; 937 } 938 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 939 TAILQ_EMPTY(&asoc->send_queue) && 940 TAILQ_EMPTY(&asoc->sent_queue) && 941 (asoc->stream_queue_cnt == 0)) { 942 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 943 goto abort_anyway; 944 } 945 /* there is nothing queued to send, so I'm done... */ 946 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 947 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 948 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 949 sctp_stop_timers_for_shutdown(stcb); 950 sctp_send_shutdown(stcb, netp); 951 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 952 stcb->sctp_ep, stcb, netp); 953 } else { 954 /* 955 * We still got (or just got) data to send, so set 956 * SHUTDOWN_PENDING. 957 */ 958 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 959 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 960 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 961 } 962 if (TAILQ_EMPTY(&asoc->send_queue) && 963 TAILQ_EMPTY(&asoc->sent_queue) && 964 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 965 struct mbuf *op_err; 966 967 abort_anyway: 968 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 969 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 970 sctp_abort_an_association(stcb->sctp_ep, stcb, 971 op_err, SCTP_SO_LOCKED); 972 SCTP_INP_RUNLOCK(inp); 973 return (0); 974 } 975 } 976 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 977 /* 978 * XXX: Why do this in the case where we have still data 979 * queued? 980 */ 981 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 982 SCTP_TCB_UNLOCK(stcb); 983 SCTP_INP_RUNLOCK(inp); 984 return (0); 985 } 986 } 987 988 /* 989 * copies a "user" presentable address and removes embedded scope, etc. 990 * returns 0 on success, 1 on error 991 */ 992 static uint32_t 993 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 994 { 995 #ifdef INET6 996 struct sockaddr_in6 lsa6; 997 998 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 999 &lsa6); 1000 #endif 1001 memcpy(ss, sa, sa->sa_len); 1002 return (0); 1003 } 1004 1005 1006 1007 /* 1008 * NOTE: assumes addr lock is held 1009 */ 1010 static size_t 1011 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1012 struct sctp_tcb *stcb, 1013 size_t limit, 1014 struct sockaddr_storage *sas, 1015 uint32_t vrf_id) 1016 { 1017 struct sctp_ifn *sctp_ifn; 1018 struct sctp_ifa *sctp_ifa; 1019 size_t actual; 1020 int loopback_scope; 1021 #if defined(INET) 1022 int ipv4_local_scope, ipv4_addr_legal; 1023 #endif 1024 #if defined(INET6) 1025 int local_scope, site_scope, ipv6_addr_legal; 1026 #endif 1027 struct sctp_vrf *vrf; 1028 1029 actual = 0; 1030 if (limit <= 0) 1031 return (actual); 1032 1033 if (stcb) { 1034 /* Turn on all the appropriate scope */ 1035 loopback_scope = stcb->asoc.scope.loopback_scope; 1036 #if defined(INET) 1037 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1038 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1039 #endif 1040 #if defined(INET6) 1041 local_scope = stcb->asoc.scope.local_scope; 1042 site_scope = stcb->asoc.scope.site_scope; 1043 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1044 #endif 1045 } else { 1046 /* Use generic values for endpoints. */ 1047 loopback_scope = 1; 1048 #if defined(INET) 1049 ipv4_local_scope = 1; 1050 #endif 1051 #if defined(INET6) 1052 local_scope = 1; 1053 site_scope = 1; 1054 #endif 1055 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1056 #if defined(INET6) 1057 ipv6_addr_legal = 1; 1058 #endif 1059 #if defined(INET) 1060 if (SCTP_IPV6_V6ONLY(inp)) { 1061 ipv4_addr_legal = 0; 1062 } else { 1063 ipv4_addr_legal = 1; 1064 } 1065 #endif 1066 } else { 1067 #if defined(INET6) 1068 ipv6_addr_legal = 0; 1069 #endif 1070 #if defined(INET) 1071 ipv4_addr_legal = 1; 1072 #endif 1073 } 1074 } 1075 vrf = sctp_find_vrf(vrf_id); 1076 if (vrf == NULL) { 1077 return (0); 1078 } 1079 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1080 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1081 if ((loopback_scope == 0) && 1082 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1083 /* Skip loopback if loopback_scope not set */ 1084 continue; 1085 } 1086 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1087 if (stcb) { 1088 /* 1089 * For the BOUND-ALL case, the list 1090 * associated with a TCB is Always 1091 * considered a reverse list.. i.e. 1092 * it lists addresses that are NOT 1093 * part of the association. If this 1094 * is one of those we must skip it. 1095 */ 1096 if (sctp_is_addr_restricted(stcb, 1097 sctp_ifa)) { 1098 continue; 1099 } 1100 } 1101 switch (sctp_ifa->address.sa.sa_family) { 1102 #ifdef INET 1103 case AF_INET: 1104 if (ipv4_addr_legal) { 1105 struct sockaddr_in *sin; 1106 1107 sin = &sctp_ifa->address.sin; 1108 if (sin->sin_addr.s_addr == 0) { 1109 /* 1110 * we skip 1111 * unspecifed 1112 * addresses 1113 */ 1114 continue; 1115 } 1116 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1117 &sin->sin_addr) != 0) { 1118 continue; 1119 } 1120 if ((ipv4_local_scope == 0) && 1121 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1122 continue; 1123 } 1124 #ifdef INET6 1125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1126 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1127 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1128 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1129 actual += sizeof(struct sockaddr_in6); 1130 } else { 1131 #endif 1132 memcpy(sas, sin, sizeof(*sin)); 1133 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1134 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1135 actual += sizeof(*sin); 1136 #ifdef INET6 1137 } 1138 #endif 1139 if (actual >= limit) { 1140 return (actual); 1141 } 1142 } else { 1143 continue; 1144 } 1145 break; 1146 #endif 1147 #ifdef INET6 1148 case AF_INET6: 1149 if (ipv6_addr_legal) { 1150 struct sockaddr_in6 *sin6; 1151 1152 sin6 = &sctp_ifa->address.sin6; 1153 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1154 /* 1155 * we skip 1156 * unspecifed 1157 * addresses 1158 */ 1159 continue; 1160 } 1161 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1162 &sin6->sin6_addr) != 0) { 1163 continue; 1164 } 1165 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1166 if (local_scope == 0) 1167 continue; 1168 if (sin6->sin6_scope_id == 0) { 1169 if (sa6_recoverscope(sin6) != 0) 1170 /* 1171 * 1172 * bad 1173 * link 1174 * 1175 * local 1176 * 1177 * address 1178 */ 1179 continue; 1180 } 1181 } 1182 if ((site_scope == 0) && 1183 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1184 continue; 1185 } 1186 memcpy(sas, sin6, sizeof(*sin6)); 1187 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1188 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1189 actual += sizeof(*sin6); 1190 if (actual >= limit) { 1191 return (actual); 1192 } 1193 } else { 1194 continue; 1195 } 1196 break; 1197 #endif 1198 default: 1199 /* TSNH */ 1200 break; 1201 } 1202 } 1203 } 1204 } else { 1205 struct sctp_laddr *laddr; 1206 1207 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1208 if (stcb) { 1209 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1210 continue; 1211 } 1212 } 1213 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1214 continue; 1215 switch (laddr->ifa->address.sa.sa_family) { 1216 #ifdef INET 1217 case AF_INET: 1218 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1219 break; 1220 #endif 1221 #ifdef INET6 1222 case AF_INET6: 1223 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1224 break; 1225 #endif 1226 default: 1227 /* TSNH */ 1228 break; 1229 } 1230 sas = (struct sockaddr_storage *)((caddr_t)sas + 1231 laddr->ifa->address.sa.sa_len); 1232 actual += laddr->ifa->address.sa.sa_len; 1233 if (actual >= limit) { 1234 return (actual); 1235 } 1236 } 1237 } 1238 return (actual); 1239 } 1240 1241 static size_t 1242 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1243 struct sctp_tcb *stcb, 1244 size_t limit, 1245 struct sockaddr_storage *sas) 1246 { 1247 size_t size = 0; 1248 1249 SCTP_IPI_ADDR_RLOCK(); 1250 /* fill up addresses for the endpoint's default vrf */ 1251 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1252 inp->def_vrf_id); 1253 SCTP_IPI_ADDR_RUNLOCK(); 1254 return (size); 1255 } 1256 1257 /* 1258 * NOTE: assumes addr lock is held 1259 */ 1260 static int 1261 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1262 { 1263 int cnt = 0; 1264 struct sctp_vrf *vrf = NULL; 1265 1266 /* 1267 * In both sub-set bound an bound_all cases we return the MAXIMUM 1268 * number of addresses that you COULD get. In reality the sub-set 1269 * bound may have an exclusion list for a given TCB OR in the 1270 * bound-all case a TCB may NOT include the loopback or other 1271 * addresses as well. 1272 */ 1273 vrf = sctp_find_vrf(vrf_id); 1274 if (vrf == NULL) { 1275 return (0); 1276 } 1277 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1278 struct sctp_ifn *sctp_ifn; 1279 struct sctp_ifa *sctp_ifa; 1280 1281 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1282 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1283 /* Count them if they are the right type */ 1284 switch (sctp_ifa->address.sa.sa_family) { 1285 #ifdef INET 1286 case AF_INET: 1287 #ifdef INET6 1288 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1289 cnt += sizeof(struct sockaddr_in6); 1290 else 1291 cnt += sizeof(struct sockaddr_in); 1292 #else 1293 cnt += sizeof(struct sockaddr_in); 1294 #endif 1295 break; 1296 #endif 1297 #ifdef INET6 1298 case AF_INET6: 1299 cnt += sizeof(struct sockaddr_in6); 1300 break; 1301 #endif 1302 default: 1303 break; 1304 } 1305 } 1306 } 1307 } else { 1308 struct sctp_laddr *laddr; 1309 1310 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1311 switch (laddr->ifa->address.sa.sa_family) { 1312 #ifdef INET 1313 case AF_INET: 1314 #ifdef INET6 1315 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1316 cnt += sizeof(struct sockaddr_in6); 1317 else 1318 cnt += sizeof(struct sockaddr_in); 1319 #else 1320 cnt += sizeof(struct sockaddr_in); 1321 #endif 1322 break; 1323 #endif 1324 #ifdef INET6 1325 case AF_INET6: 1326 cnt += sizeof(struct sockaddr_in6); 1327 break; 1328 #endif 1329 default: 1330 break; 1331 } 1332 } 1333 } 1334 return (cnt); 1335 } 1336 1337 static int 1338 sctp_count_max_addresses(struct sctp_inpcb *inp) 1339 { 1340 int cnt = 0; 1341 1342 SCTP_IPI_ADDR_RLOCK(); 1343 /* count addresses for the endpoint's default VRF */ 1344 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1345 SCTP_IPI_ADDR_RUNLOCK(); 1346 return (cnt); 1347 } 1348 1349 static int 1350 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1351 size_t optsize, void *p, int delay) 1352 { 1353 int error = 0; 1354 int creat_lock_on = 0; 1355 struct sctp_tcb *stcb = NULL; 1356 struct sockaddr *sa; 1357 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1358 uint32_t vrf_id; 1359 int bad_addresses = 0; 1360 sctp_assoc_t *a_id; 1361 1362 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1363 1364 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1365 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1366 /* We are already connected AND the TCP model */ 1367 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1368 return (EADDRINUSE); 1369 } 1370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1371 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1372 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1373 return (EINVAL); 1374 } 1375 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1376 SCTP_INP_RLOCK(inp); 1377 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1378 SCTP_INP_RUNLOCK(inp); 1379 } 1380 if (stcb) { 1381 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1382 return (EALREADY); 1383 } 1384 SCTP_INP_INCR_REF(inp); 1385 SCTP_ASOC_CREATE_LOCK(inp); 1386 creat_lock_on = 1; 1387 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1388 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1389 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1390 error = EFAULT; 1391 goto out_now; 1392 } 1393 totaddrp = (unsigned int *)optval; 1394 totaddr = *totaddrp; 1395 sa = (struct sockaddr *)(totaddrp + 1); 1396 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1397 if ((stcb != NULL) || bad_addresses) { 1398 /* Already have or am bring up an association */ 1399 SCTP_ASOC_CREATE_UNLOCK(inp); 1400 creat_lock_on = 0; 1401 if (stcb) 1402 SCTP_TCB_UNLOCK(stcb); 1403 if (bad_addresses == 0) { 1404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1405 error = EALREADY; 1406 } 1407 goto out_now; 1408 } 1409 #ifdef INET6 1410 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1411 (num_v6 > 0)) { 1412 error = EINVAL; 1413 goto out_now; 1414 } 1415 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1416 (num_v4 > 0)) { 1417 struct in6pcb *inp6; 1418 1419 inp6 = (struct in6pcb *)inp; 1420 if (SCTP_IPV6_V6ONLY(inp6)) { 1421 /* 1422 * if IPV6_V6ONLY flag, ignore connections destined 1423 * to a v4 addr or v4-mapped addr 1424 */ 1425 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1426 error = EINVAL; 1427 goto out_now; 1428 } 1429 } 1430 #endif /* INET6 */ 1431 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1432 SCTP_PCB_FLAGS_UNBOUND) { 1433 /* Bind a ephemeral port */ 1434 error = sctp_inpcb_bind(so, NULL, NULL, p); 1435 if (error) { 1436 goto out_now; 1437 } 1438 } 1439 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1440 vrf_id = inp->def_vrf_id; 1441 1442 1443 /* We are GOOD to go */ 1444 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1445 inp->sctp_ep.pre_open_stream_count, 1446 inp->sctp_ep.port, 1447 (struct thread *)p 1448 ); 1449 if (stcb == NULL) { 1450 /* Gak! no memory */ 1451 goto out_now; 1452 } 1453 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1454 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1455 /* Set the connected flag so we can queue data */ 1456 soisconnecting(so); 1457 } 1458 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1459 /* move to second address */ 1460 switch (sa->sa_family) { 1461 #ifdef INET 1462 case AF_INET: 1463 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1464 break; 1465 #endif 1466 #ifdef INET6 1467 case AF_INET6: 1468 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1469 break; 1470 #endif 1471 default: 1472 break; 1473 } 1474 1475 error = 0; 1476 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1477 /* Fill in the return id */ 1478 if (error) { 1479 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1480 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1481 goto out_now; 1482 } 1483 a_id = (sctp_assoc_t *)optval; 1484 *a_id = sctp_get_associd(stcb); 1485 1486 /* initialize authentication parameters for the assoc */ 1487 sctp_initialize_auth_params(inp, stcb); 1488 1489 if (delay) { 1490 /* doing delayed connection */ 1491 stcb->asoc.delayed_connection = 1; 1492 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1493 } else { 1494 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1495 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1496 } 1497 SCTP_TCB_UNLOCK(stcb); 1498 out_now: 1499 if (creat_lock_on) { 1500 SCTP_ASOC_CREATE_UNLOCK(inp); 1501 } 1502 SCTP_INP_DECR_REF(inp); 1503 return (error); 1504 } 1505 1506 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1509 SCTP_INP_RLOCK(inp); \ 1510 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1511 if (stcb) { \ 1512 SCTP_TCB_LOCK(stcb); \ 1513 } \ 1514 SCTP_INP_RUNLOCK(inp); \ 1515 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1516 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1517 if (stcb == NULL) { \ 1518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1519 error = ENOENT; \ 1520 break; \ 1521 } \ 1522 } else { \ 1523 stcb = NULL; \ 1524 } \ 1525 } 1526 1527 1528 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1529 if (size < sizeof(type)) { \ 1530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1531 error = EINVAL; \ 1532 break; \ 1533 } else { \ 1534 destp = (type *)srcp; \ 1535 } \ 1536 } 1537 1538 static int 1539 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1540 void *p) 1541 { 1542 struct sctp_inpcb *inp = NULL; 1543 int error, val = 0; 1544 struct sctp_tcb *stcb = NULL; 1545 1546 if (optval == NULL) { 1547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1548 return (EINVAL); 1549 } 1550 inp = (struct sctp_inpcb *)so->so_pcb; 1551 if (inp == NULL) { 1552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1553 return EINVAL; 1554 } 1555 error = 0; 1556 1557 switch (optname) { 1558 case SCTP_NODELAY: 1559 case SCTP_AUTOCLOSE: 1560 case SCTP_EXPLICIT_EOR: 1561 case SCTP_AUTO_ASCONF: 1562 case SCTP_DISABLE_FRAGMENTS: 1563 case SCTP_I_WANT_MAPPED_V4_ADDR: 1564 case SCTP_USE_EXT_RCVINFO: 1565 SCTP_INP_RLOCK(inp); 1566 switch (optname) { 1567 case SCTP_DISABLE_FRAGMENTS: 1568 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1569 break; 1570 case SCTP_I_WANT_MAPPED_V4_ADDR: 1571 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1572 break; 1573 case SCTP_AUTO_ASCONF: 1574 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1575 /* only valid for bound all sockets */ 1576 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1577 } else { 1578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1579 error = EINVAL; 1580 goto flags_out; 1581 } 1582 break; 1583 case SCTP_EXPLICIT_EOR: 1584 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1585 break; 1586 case SCTP_NODELAY: 1587 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1588 break; 1589 case SCTP_USE_EXT_RCVINFO: 1590 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1591 break; 1592 case SCTP_AUTOCLOSE: 1593 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1594 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1595 else 1596 val = 0; 1597 break; 1598 1599 default: 1600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1601 error = ENOPROTOOPT; 1602 } /* end switch (sopt->sopt_name) */ 1603 if (*optsize < sizeof(val)) { 1604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1605 error = EINVAL; 1606 } 1607 flags_out: 1608 SCTP_INP_RUNLOCK(inp); 1609 if (error == 0) { 1610 /* return the option value */ 1611 *(int *)optval = val; 1612 *optsize = sizeof(val); 1613 } 1614 break; 1615 case SCTP_GET_PACKET_LOG: 1616 { 1617 #ifdef SCTP_PACKET_LOGGING 1618 uint8_t *target; 1619 int ret; 1620 1621 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1622 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1623 *optsize = ret; 1624 #else 1625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1626 error = EOPNOTSUPP; 1627 #endif 1628 break; 1629 } 1630 case SCTP_REUSE_PORT: 1631 { 1632 uint32_t *value; 1633 1634 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1635 /* Can't do this for a 1-m socket */ 1636 error = EINVAL; 1637 break; 1638 } 1639 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1640 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1641 *optsize = sizeof(uint32_t); 1642 break; 1643 } 1644 case SCTP_PARTIAL_DELIVERY_POINT: 1645 { 1646 uint32_t *value; 1647 1648 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1649 *value = inp->partial_delivery_point; 1650 *optsize = sizeof(uint32_t); 1651 break; 1652 } 1653 case SCTP_FRAGMENT_INTERLEAVE: 1654 { 1655 uint32_t *value; 1656 1657 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1658 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1659 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1660 *value = SCTP_FRAG_LEVEL_2; 1661 } else { 1662 *value = SCTP_FRAG_LEVEL_1; 1663 } 1664 } else { 1665 *value = SCTP_FRAG_LEVEL_0; 1666 } 1667 *optsize = sizeof(uint32_t); 1668 break; 1669 } 1670 case SCTP_INTERLEAVING_SUPPORTED: 1671 { 1672 struct sctp_assoc_value *av; 1673 1674 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1675 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1676 1677 if (stcb) { 1678 av->assoc_value = stcb->asoc.idata_supported; 1679 SCTP_TCB_UNLOCK(stcb); 1680 } else { 1681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1683 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1684 SCTP_INP_RLOCK(inp); 1685 if (inp->idata_supported) { 1686 av->assoc_value = 1; 1687 } else { 1688 av->assoc_value = 0; 1689 } 1690 SCTP_INP_RUNLOCK(inp); 1691 } else { 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1693 error = EINVAL; 1694 } 1695 } 1696 if (error == 0) { 1697 *optsize = sizeof(struct sctp_assoc_value); 1698 } 1699 break; 1700 } 1701 case SCTP_CMT_ON_OFF: 1702 { 1703 struct sctp_assoc_value *av; 1704 1705 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1706 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1707 if (stcb) { 1708 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1709 SCTP_TCB_UNLOCK(stcb); 1710 } else { 1711 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1712 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1713 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1714 SCTP_INP_RLOCK(inp); 1715 av->assoc_value = inp->sctp_cmt_on_off; 1716 SCTP_INP_RUNLOCK(inp); 1717 } else { 1718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1719 error = EINVAL; 1720 } 1721 } 1722 if (error == 0) { 1723 *optsize = sizeof(struct sctp_assoc_value); 1724 } 1725 break; 1726 } 1727 case SCTP_PLUGGABLE_CC: 1728 { 1729 struct sctp_assoc_value *av; 1730 1731 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1732 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1733 if (stcb) { 1734 av->assoc_value = stcb->asoc.congestion_control_module; 1735 SCTP_TCB_UNLOCK(stcb); 1736 } else { 1737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1739 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1740 SCTP_INP_RLOCK(inp); 1741 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1742 SCTP_INP_RUNLOCK(inp); 1743 } else { 1744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1745 error = EINVAL; 1746 } 1747 } 1748 if (error == 0) { 1749 *optsize = sizeof(struct sctp_assoc_value); 1750 } 1751 break; 1752 } 1753 case SCTP_CC_OPTION: 1754 { 1755 struct sctp_cc_option *cc_opt; 1756 1757 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1759 if (stcb == NULL) { 1760 error = EINVAL; 1761 } else { 1762 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1763 error = ENOTSUP; 1764 } else { 1765 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1766 *optsize = sizeof(struct sctp_cc_option); 1767 } 1768 SCTP_TCB_UNLOCK(stcb); 1769 } 1770 break; 1771 } 1772 case SCTP_PLUGGABLE_SS: 1773 { 1774 struct sctp_assoc_value *av; 1775 1776 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1777 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1778 if (stcb) { 1779 av->assoc_value = stcb->asoc.stream_scheduling_module; 1780 SCTP_TCB_UNLOCK(stcb); 1781 } else { 1782 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1783 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1784 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1785 SCTP_INP_RLOCK(inp); 1786 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1787 SCTP_INP_RUNLOCK(inp); 1788 } else { 1789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1790 error = EINVAL; 1791 } 1792 } 1793 if (error == 0) { 1794 *optsize = sizeof(struct sctp_assoc_value); 1795 } 1796 break; 1797 } 1798 case SCTP_SS_VALUE: 1799 { 1800 struct sctp_stream_value *av; 1801 1802 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1803 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1804 if (stcb) { 1805 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1806 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1807 &av->stream_value) < 0)) { 1808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1809 error = EINVAL; 1810 } else { 1811 *optsize = sizeof(struct sctp_stream_value); 1812 } 1813 SCTP_TCB_UNLOCK(stcb); 1814 } else { 1815 /* 1816 * Can't get stream value without 1817 * association 1818 */ 1819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1820 error = EINVAL; 1821 } 1822 break; 1823 } 1824 case SCTP_GET_ADDR_LEN: 1825 { 1826 struct sctp_assoc_value *av; 1827 1828 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1829 error = EINVAL; 1830 #ifdef INET 1831 if (av->assoc_value == AF_INET) { 1832 av->assoc_value = sizeof(struct sockaddr_in); 1833 error = 0; 1834 } 1835 #endif 1836 #ifdef INET6 1837 if (av->assoc_value == AF_INET6) { 1838 av->assoc_value = sizeof(struct sockaddr_in6); 1839 error = 0; 1840 } 1841 #endif 1842 if (error) { 1843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1844 } else { 1845 *optsize = sizeof(struct sctp_assoc_value); 1846 } 1847 break; 1848 } 1849 case SCTP_GET_ASSOC_NUMBER: 1850 { 1851 uint32_t *value, cnt; 1852 1853 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1854 SCTP_INP_RLOCK(inp); 1855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1856 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1857 /* Can't do this for a 1-1 socket */ 1858 error = EINVAL; 1859 SCTP_INP_RUNLOCK(inp); 1860 break; 1861 } 1862 cnt = 0; 1863 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1864 cnt++; 1865 } 1866 SCTP_INP_RUNLOCK(inp); 1867 *value = cnt; 1868 *optsize = sizeof(uint32_t); 1869 break; 1870 } 1871 case SCTP_GET_ASSOC_ID_LIST: 1872 { 1873 struct sctp_assoc_ids *ids; 1874 uint32_t at; 1875 size_t limit; 1876 1877 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1878 SCTP_INP_RLOCK(inp); 1879 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1880 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1881 /* Can't do this for a 1-1 socket */ 1882 error = EINVAL; 1883 SCTP_INP_RUNLOCK(inp); 1884 break; 1885 } 1886 at = 0; 1887 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1888 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1889 if (at < limit) { 1890 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1891 if (at == 0) { 1892 error = EINVAL; 1893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1894 break; 1895 } 1896 } else { 1897 error = EINVAL; 1898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1899 break; 1900 } 1901 } 1902 SCTP_INP_RUNLOCK(inp); 1903 if (error == 0) { 1904 ids->gaids_number_of_ids = at; 1905 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1906 } 1907 break; 1908 } 1909 case SCTP_CONTEXT: 1910 { 1911 struct sctp_assoc_value *av; 1912 1913 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1914 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1915 1916 if (stcb) { 1917 av->assoc_value = stcb->asoc.context; 1918 SCTP_TCB_UNLOCK(stcb); 1919 } else { 1920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1921 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1922 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1923 SCTP_INP_RLOCK(inp); 1924 av->assoc_value = inp->sctp_context; 1925 SCTP_INP_RUNLOCK(inp); 1926 } else { 1927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1928 error = EINVAL; 1929 } 1930 } 1931 if (error == 0) { 1932 *optsize = sizeof(struct sctp_assoc_value); 1933 } 1934 break; 1935 } 1936 case SCTP_VRF_ID: 1937 { 1938 uint32_t *default_vrfid; 1939 1940 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1941 *default_vrfid = inp->def_vrf_id; 1942 *optsize = sizeof(uint32_t); 1943 break; 1944 } 1945 case SCTP_GET_ASOC_VRF: 1946 { 1947 struct sctp_assoc_value *id; 1948 1949 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1950 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1951 if (stcb == NULL) { 1952 error = EINVAL; 1953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1954 } else { 1955 id->assoc_value = stcb->asoc.vrf_id; 1956 SCTP_TCB_UNLOCK(stcb); 1957 *optsize = sizeof(struct sctp_assoc_value); 1958 } 1959 break; 1960 } 1961 case SCTP_GET_VRF_IDS: 1962 { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1964 error = EOPNOTSUPP; 1965 break; 1966 } 1967 case SCTP_GET_NONCE_VALUES: 1968 { 1969 struct sctp_get_nonce_values *gnv; 1970 1971 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1972 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1973 1974 if (stcb) { 1975 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1976 gnv->gn_local_tag = stcb->asoc.my_vtag; 1977 SCTP_TCB_UNLOCK(stcb); 1978 *optsize = sizeof(struct sctp_get_nonce_values); 1979 } else { 1980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1981 error = ENOTCONN; 1982 } 1983 break; 1984 } 1985 case SCTP_DELAYED_SACK: 1986 { 1987 struct sctp_sack_info *sack; 1988 1989 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1990 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1991 if (stcb) { 1992 sack->sack_delay = stcb->asoc.delayed_ack; 1993 sack->sack_freq = stcb->asoc.sack_freq; 1994 SCTP_TCB_UNLOCK(stcb); 1995 } else { 1996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1997 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1998 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 1999 SCTP_INP_RLOCK(inp); 2000 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2001 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2002 SCTP_INP_RUNLOCK(inp); 2003 } else { 2004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2005 error = EINVAL; 2006 } 2007 } 2008 if (error == 0) { 2009 *optsize = sizeof(struct sctp_sack_info); 2010 } 2011 break; 2012 } 2013 case SCTP_GET_SNDBUF_USE: 2014 { 2015 struct sctp_sockstat *ss; 2016 2017 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2018 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2019 2020 if (stcb) { 2021 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2022 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2023 stcb->asoc.size_on_all_streams); 2024 SCTP_TCB_UNLOCK(stcb); 2025 *optsize = sizeof(struct sctp_sockstat); 2026 } else { 2027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2028 error = ENOTCONN; 2029 } 2030 break; 2031 } 2032 case SCTP_MAX_BURST: 2033 { 2034 struct sctp_assoc_value *av; 2035 2036 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2037 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2038 2039 if (stcb) { 2040 av->assoc_value = stcb->asoc.max_burst; 2041 SCTP_TCB_UNLOCK(stcb); 2042 } else { 2043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2044 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2045 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2046 SCTP_INP_RLOCK(inp); 2047 av->assoc_value = inp->sctp_ep.max_burst; 2048 SCTP_INP_RUNLOCK(inp); 2049 } else { 2050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2051 error = EINVAL; 2052 } 2053 } 2054 if (error == 0) { 2055 *optsize = sizeof(struct sctp_assoc_value); 2056 } 2057 break; 2058 } 2059 case SCTP_MAXSEG: 2060 { 2061 struct sctp_assoc_value *av; 2062 int ovh; 2063 2064 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2065 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2066 2067 if (stcb) { 2068 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2069 SCTP_TCB_UNLOCK(stcb); 2070 } else { 2071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2073 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2074 SCTP_INP_RLOCK(inp); 2075 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2076 ovh = SCTP_MED_OVERHEAD; 2077 } else { 2078 ovh = SCTP_MED_V4_OVERHEAD; 2079 } 2080 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2081 av->assoc_value = 0; 2082 else 2083 av->assoc_value = inp->sctp_frag_point - ovh; 2084 SCTP_INP_RUNLOCK(inp); 2085 } else { 2086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2087 error = EINVAL; 2088 } 2089 } 2090 if (error == 0) { 2091 *optsize = sizeof(struct sctp_assoc_value); 2092 } 2093 break; 2094 } 2095 case SCTP_GET_STAT_LOG: 2096 error = sctp_fill_stat_log(optval, optsize); 2097 break; 2098 case SCTP_EVENTS: 2099 { 2100 struct sctp_event_subscribe *events; 2101 2102 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2103 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2104 SCTP_INP_RLOCK(inp); 2105 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2106 events->sctp_data_io_event = 1; 2107 2108 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2109 events->sctp_association_event = 1; 2110 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2112 events->sctp_address_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2115 events->sctp_send_failure_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2118 events->sctp_peer_error_event = 1; 2119 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2121 events->sctp_shutdown_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2124 events->sctp_partial_delivery_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2127 events->sctp_adaptation_layer_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2130 events->sctp_authentication_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2133 events->sctp_sender_dry_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2136 events->sctp_stream_reset_event = 1; 2137 SCTP_INP_RUNLOCK(inp); 2138 *optsize = sizeof(struct sctp_event_subscribe); 2139 break; 2140 } 2141 case SCTP_ADAPTATION_LAYER: 2142 { 2143 uint32_t *value; 2144 2145 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2146 2147 SCTP_INP_RLOCK(inp); 2148 *value = inp->sctp_ep.adaptation_layer_indicator; 2149 SCTP_INP_RUNLOCK(inp); 2150 *optsize = sizeof(uint32_t); 2151 break; 2152 } 2153 case SCTP_SET_INITIAL_DBG_SEQ: 2154 { 2155 uint32_t *value; 2156 2157 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2158 SCTP_INP_RLOCK(inp); 2159 *value = inp->sctp_ep.initial_sequence_debug; 2160 SCTP_INP_RUNLOCK(inp); 2161 *optsize = sizeof(uint32_t); 2162 break; 2163 } 2164 case SCTP_GET_LOCAL_ADDR_SIZE: 2165 { 2166 uint32_t *value; 2167 2168 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2169 SCTP_INP_RLOCK(inp); 2170 *value = sctp_count_max_addresses(inp); 2171 SCTP_INP_RUNLOCK(inp); 2172 *optsize = sizeof(uint32_t); 2173 break; 2174 } 2175 case SCTP_GET_REMOTE_ADDR_SIZE: 2176 { 2177 uint32_t *value; 2178 size_t size; 2179 struct sctp_nets *net; 2180 2181 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2182 /* FIXME MT: change to sctp_assoc_value? */ 2183 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2184 2185 if (stcb) { 2186 size = 0; 2187 /* Count the sizes */ 2188 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2189 switch (net->ro._l_addr.sa.sa_family) { 2190 #ifdef INET 2191 case AF_INET: 2192 #ifdef INET6 2193 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2194 size += sizeof(struct sockaddr_in6); 2195 } else { 2196 size += sizeof(struct sockaddr_in); 2197 } 2198 #else 2199 size += sizeof(struct sockaddr_in); 2200 #endif 2201 break; 2202 #endif 2203 #ifdef INET6 2204 case AF_INET6: 2205 size += sizeof(struct sockaddr_in6); 2206 break; 2207 #endif 2208 default: 2209 break; 2210 } 2211 } 2212 SCTP_TCB_UNLOCK(stcb); 2213 *value = (uint32_t)size; 2214 *optsize = sizeof(uint32_t); 2215 } else { 2216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2217 error = ENOTCONN; 2218 } 2219 break; 2220 } 2221 case SCTP_GET_PEER_ADDRESSES: 2222 /* 2223 * Get the address information, an array is passed in to 2224 * fill up we pack it. 2225 */ 2226 { 2227 size_t cpsz, left; 2228 struct sockaddr_storage *sas; 2229 struct sctp_nets *net; 2230 struct sctp_getaddresses *saddr; 2231 2232 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2233 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2234 2235 if (stcb) { 2236 left = (*optsize) - sizeof(struct sctp_getaddresses); 2237 *optsize = sizeof(struct sctp_getaddresses); 2238 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2239 2240 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2241 switch (net->ro._l_addr.sa.sa_family) { 2242 #ifdef INET 2243 case AF_INET: 2244 #ifdef INET6 2245 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2246 cpsz = sizeof(struct sockaddr_in6); 2247 } else { 2248 cpsz = sizeof(struct sockaddr_in); 2249 } 2250 #else 2251 cpsz = sizeof(struct sockaddr_in); 2252 #endif 2253 break; 2254 #endif 2255 #ifdef INET6 2256 case AF_INET6: 2257 cpsz = sizeof(struct sockaddr_in6); 2258 break; 2259 #endif 2260 default: 2261 cpsz = 0; 2262 break; 2263 } 2264 if (cpsz == 0) { 2265 break; 2266 } 2267 if (left < cpsz) { 2268 /* not enough room. */ 2269 break; 2270 } 2271 #if defined(INET) && defined(INET6) 2272 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2273 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2274 /* Must map the address */ 2275 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2276 (struct sockaddr_in6 *)sas); 2277 } else { 2278 memcpy(sas, &net->ro._l_addr, cpsz); 2279 } 2280 #else 2281 memcpy(sas, &net->ro._l_addr, cpsz); 2282 #endif 2283 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2284 2285 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2286 left -= cpsz; 2287 *optsize += cpsz; 2288 } 2289 SCTP_TCB_UNLOCK(stcb); 2290 } else { 2291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2292 error = ENOENT; 2293 } 2294 break; 2295 } 2296 case SCTP_GET_LOCAL_ADDRESSES: 2297 { 2298 size_t limit, actual; 2299 struct sockaddr_storage *sas; 2300 struct sctp_getaddresses *saddr; 2301 2302 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2303 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2304 2305 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2306 limit = *optsize - sizeof(sctp_assoc_t); 2307 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2308 if (stcb) { 2309 SCTP_TCB_UNLOCK(stcb); 2310 } 2311 *optsize = sizeof(struct sockaddr_storage) + actual; 2312 break; 2313 } 2314 case SCTP_PEER_ADDR_PARAMS: 2315 { 2316 struct sctp_paddrparams *paddrp; 2317 struct sctp_nets *net; 2318 struct sockaddr *addr; 2319 #if defined(INET) && defined(INET6) 2320 struct sockaddr_in sin_store; 2321 #endif 2322 2323 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2324 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2325 2326 #if defined(INET) && defined(INET6) 2327 if (paddrp->spp_address.ss_family == AF_INET6) { 2328 struct sockaddr_in6 *sin6; 2329 2330 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2331 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2332 in6_sin6_2_sin(&sin_store, sin6); 2333 addr = (struct sockaddr *)&sin_store; 2334 } else { 2335 addr = (struct sockaddr *)&paddrp->spp_address; 2336 } 2337 } else { 2338 addr = (struct sockaddr *)&paddrp->spp_address; 2339 } 2340 #else 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 #endif 2343 if (stcb != NULL) { 2344 net = sctp_findnet(stcb, addr); 2345 } else { 2346 /* 2347 * We increment here since 2348 * sctp_findassociation_ep_addr() wil do a 2349 * decrement if it finds the stcb as long as 2350 * the locked tcb (last argument) is NOT a 2351 * TCB.. aka NULL. 2352 */ 2353 net = NULL; 2354 SCTP_INP_INCR_REF(inp); 2355 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2356 if (stcb == NULL) { 2357 SCTP_INP_DECR_REF(inp); 2358 } 2359 } 2360 if ((stcb != NULL) && (net == NULL)) { 2361 #ifdef INET 2362 if (addr->sa_family == AF_INET) { 2363 struct sockaddr_in *sin; 2364 2365 sin = (struct sockaddr_in *)addr; 2366 if (sin->sin_addr.s_addr != INADDR_ANY) { 2367 error = EINVAL; 2368 SCTP_TCB_UNLOCK(stcb); 2369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2370 break; 2371 } 2372 } else 2373 #endif 2374 #ifdef INET6 2375 if (addr->sa_family == AF_INET6) { 2376 struct sockaddr_in6 *sin6; 2377 2378 sin6 = (struct sockaddr_in6 *)addr; 2379 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2380 error = EINVAL; 2381 SCTP_TCB_UNLOCK(stcb); 2382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2383 break; 2384 } 2385 } else 2386 #endif 2387 { 2388 error = EAFNOSUPPORT; 2389 SCTP_TCB_UNLOCK(stcb); 2390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2391 break; 2392 } 2393 } 2394 if (stcb != NULL) { 2395 /* Applies to the specific association */ 2396 paddrp->spp_flags = 0; 2397 if (net != NULL) { 2398 paddrp->spp_hbinterval = net->heart_beat_delay; 2399 paddrp->spp_pathmaxrxt = net->failure_threshold; 2400 paddrp->spp_pathmtu = net->mtu; 2401 switch (net->ro._l_addr.sa.sa_family) { 2402 #ifdef INET 2403 case AF_INET: 2404 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2405 break; 2406 #endif 2407 #ifdef INET6 2408 case AF_INET6: 2409 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2410 break; 2411 #endif 2412 default: 2413 break; 2414 } 2415 /* get flags for HB */ 2416 if (net->dest_state & SCTP_ADDR_NOHB) { 2417 paddrp->spp_flags |= SPP_HB_DISABLE; 2418 } else { 2419 paddrp->spp_flags |= SPP_HB_ENABLE; 2420 } 2421 /* get flags for PMTU */ 2422 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2423 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2424 } else { 2425 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2426 } 2427 if (net->dscp & 0x01) { 2428 paddrp->spp_dscp = net->dscp & 0xfc; 2429 paddrp->spp_flags |= SPP_DSCP; 2430 } 2431 #ifdef INET6 2432 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2433 (net->flowlabel & 0x80000000)) { 2434 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2435 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2436 } 2437 #endif 2438 } else { 2439 /* 2440 * No destination so return default 2441 * value 2442 */ 2443 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2444 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2445 if (stcb->asoc.default_dscp & 0x01) { 2446 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2447 paddrp->spp_flags |= SPP_DSCP; 2448 } 2449 #ifdef INET6 2450 if (stcb->asoc.default_flowlabel & 0x80000000) { 2451 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2452 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2453 } 2454 #endif 2455 /* default settings should be these */ 2456 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2457 paddrp->spp_flags |= SPP_HB_DISABLE; 2458 } else { 2459 paddrp->spp_flags |= SPP_HB_ENABLE; 2460 } 2461 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2462 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2465 } 2466 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2467 } 2468 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2469 SCTP_TCB_UNLOCK(stcb); 2470 } else { 2471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2473 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2474 /* Use endpoint defaults */ 2475 SCTP_INP_RLOCK(inp); 2476 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2477 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2478 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2479 /* get inp's default */ 2480 if (inp->sctp_ep.default_dscp & 0x01) { 2481 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2482 paddrp->spp_flags |= SPP_DSCP; 2483 } 2484 #ifdef INET6 2485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2486 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2487 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2488 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2489 } 2490 #endif 2491 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2492 2493 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2494 paddrp->spp_flags |= SPP_HB_ENABLE; 2495 } else { 2496 paddrp->spp_flags |= SPP_HB_DISABLE; 2497 } 2498 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2499 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2500 } else { 2501 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2502 } 2503 SCTP_INP_RUNLOCK(inp); 2504 } else { 2505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2506 error = EINVAL; 2507 } 2508 } 2509 if (error == 0) { 2510 *optsize = sizeof(struct sctp_paddrparams); 2511 } 2512 break; 2513 } 2514 case SCTP_GET_PEER_ADDR_INFO: 2515 { 2516 struct sctp_paddrinfo *paddri; 2517 struct sctp_nets *net; 2518 struct sockaddr *addr; 2519 #if defined(INET) && defined(INET6) 2520 struct sockaddr_in sin_store; 2521 #endif 2522 2523 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2524 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2525 2526 #if defined(INET) && defined(INET6) 2527 if (paddri->spinfo_address.ss_family == AF_INET6) { 2528 struct sockaddr_in6 *sin6; 2529 2530 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2531 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2532 in6_sin6_2_sin(&sin_store, sin6); 2533 addr = (struct sockaddr *)&sin_store; 2534 } else { 2535 addr = (struct sockaddr *)&paddri->spinfo_address; 2536 } 2537 } else { 2538 addr = (struct sockaddr *)&paddri->spinfo_address; 2539 } 2540 #else 2541 addr = (struct sockaddr *)&paddri->spinfo_address; 2542 #endif 2543 if (stcb != NULL) { 2544 net = sctp_findnet(stcb, addr); 2545 } else { 2546 /* 2547 * We increment here since 2548 * sctp_findassociation_ep_addr() wil do a 2549 * decrement if it finds the stcb as long as 2550 * the locked tcb (last argument) is NOT a 2551 * TCB.. aka NULL. 2552 */ 2553 net = NULL; 2554 SCTP_INP_INCR_REF(inp); 2555 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2556 if (stcb == NULL) { 2557 SCTP_INP_DECR_REF(inp); 2558 } 2559 } 2560 2561 if ((stcb != NULL) && (net != NULL)) { 2562 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2563 /* It's unconfirmed */ 2564 paddri->spinfo_state = SCTP_UNCONFIRMED; 2565 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2566 /* It's active */ 2567 paddri->spinfo_state = SCTP_ACTIVE; 2568 } else { 2569 /* It's inactive */ 2570 paddri->spinfo_state = SCTP_INACTIVE; 2571 } 2572 paddri->spinfo_cwnd = net->cwnd; 2573 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2574 paddri->spinfo_rto = net->RTO; 2575 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2576 paddri->spinfo_mtu = net->mtu; 2577 switch (addr->sa_family) { 2578 #if defined(INET) 2579 case AF_INET: 2580 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2581 break; 2582 #endif 2583 #if defined(INET6) 2584 case AF_INET6: 2585 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2586 break; 2587 #endif 2588 default: 2589 break; 2590 } 2591 SCTP_TCB_UNLOCK(stcb); 2592 *optsize = sizeof(struct sctp_paddrinfo); 2593 } else { 2594 if (stcb != NULL) { 2595 SCTP_TCB_UNLOCK(stcb); 2596 } 2597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2598 error = ENOENT; 2599 } 2600 break; 2601 } 2602 case SCTP_PCB_STATUS: 2603 { 2604 struct sctp_pcbinfo *spcb; 2605 2606 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2607 sctp_fill_pcbinfo(spcb); 2608 *optsize = sizeof(struct sctp_pcbinfo); 2609 break; 2610 } 2611 case SCTP_STATUS: 2612 { 2613 struct sctp_nets *net; 2614 struct sctp_status *sstat; 2615 2616 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2617 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2618 2619 if (stcb == NULL) { 2620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2621 error = EINVAL; 2622 break; 2623 } 2624 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2625 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2626 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2627 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2628 /* 2629 * We can't include chunks that have been passed to 2630 * the socket layer. Only things in queue. 2631 */ 2632 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2633 stcb->asoc.cnt_on_all_streams); 2634 2635 2636 sstat->sstat_instrms = stcb->asoc.streamincnt; 2637 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2638 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2639 memcpy(&sstat->sstat_primary.spinfo_address, 2640 &stcb->asoc.primary_destination->ro._l_addr, 2641 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2642 net = stcb->asoc.primary_destination; 2643 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2644 /* 2645 * Again the user can get info from sctp_constants.h 2646 * for what the state of the network is. 2647 */ 2648 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2649 /* It's unconfirmed */ 2650 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2651 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2652 /* It's active */ 2653 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2654 } else { 2655 /* It's inactive */ 2656 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2657 } 2658 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2659 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2660 sstat->sstat_primary.spinfo_rto = net->RTO; 2661 sstat->sstat_primary.spinfo_mtu = net->mtu; 2662 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2663 #if defined(INET) 2664 case AF_INET: 2665 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2666 break; 2667 #endif 2668 #if defined(INET6) 2669 case AF_INET6: 2670 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2671 break; 2672 #endif 2673 default: 2674 break; 2675 } 2676 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2677 SCTP_TCB_UNLOCK(stcb); 2678 *optsize = sizeof(struct sctp_status); 2679 break; 2680 } 2681 case SCTP_RTOINFO: 2682 { 2683 struct sctp_rtoinfo *srto; 2684 2685 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2686 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2687 2688 if (stcb) { 2689 srto->srto_initial = stcb->asoc.initial_rto; 2690 srto->srto_max = stcb->asoc.maxrto; 2691 srto->srto_min = stcb->asoc.minrto; 2692 SCTP_TCB_UNLOCK(stcb); 2693 } else { 2694 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2695 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2696 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2697 SCTP_INP_RLOCK(inp); 2698 srto->srto_initial = inp->sctp_ep.initial_rto; 2699 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2700 srto->srto_min = inp->sctp_ep.sctp_minrto; 2701 SCTP_INP_RUNLOCK(inp); 2702 } else { 2703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2704 error = EINVAL; 2705 } 2706 } 2707 if (error == 0) { 2708 *optsize = sizeof(struct sctp_rtoinfo); 2709 } 2710 break; 2711 } 2712 case SCTP_TIMEOUTS: 2713 { 2714 struct sctp_timeouts *stimo; 2715 2716 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2717 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2718 2719 if (stcb) { 2720 stimo->stimo_init = stcb->asoc.timoinit; 2721 stimo->stimo_data = stcb->asoc.timodata; 2722 stimo->stimo_sack = stcb->asoc.timosack; 2723 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2724 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2725 stimo->stimo_cookie = stcb->asoc.timocookie; 2726 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2727 SCTP_TCB_UNLOCK(stcb); 2728 *optsize = sizeof(struct sctp_timeouts); 2729 } else { 2730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2731 error = EINVAL; 2732 } 2733 break; 2734 } 2735 case SCTP_ASSOCINFO: 2736 { 2737 struct sctp_assocparams *sasoc; 2738 2739 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2740 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2741 2742 if (stcb) { 2743 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2744 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2745 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2746 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2747 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2748 SCTP_TCB_UNLOCK(stcb); 2749 } else { 2750 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2751 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2752 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2753 SCTP_INP_RLOCK(inp); 2754 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2755 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2756 sasoc->sasoc_number_peer_destinations = 0; 2757 sasoc->sasoc_peer_rwnd = 0; 2758 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2759 SCTP_INP_RUNLOCK(inp); 2760 } else { 2761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2762 error = EINVAL; 2763 } 2764 } 2765 if (error == 0) { 2766 *optsize = sizeof(struct sctp_assocparams); 2767 } 2768 break; 2769 } 2770 case SCTP_DEFAULT_SEND_PARAM: 2771 { 2772 struct sctp_sndrcvinfo *s_info; 2773 2774 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2775 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2776 2777 if (stcb) { 2778 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2779 SCTP_TCB_UNLOCK(stcb); 2780 } else { 2781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2783 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2784 SCTP_INP_RLOCK(inp); 2785 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2786 SCTP_INP_RUNLOCK(inp); 2787 } else { 2788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2789 error = EINVAL; 2790 } 2791 } 2792 if (error == 0) { 2793 *optsize = sizeof(struct sctp_sndrcvinfo); 2794 } 2795 break; 2796 } 2797 case SCTP_INITMSG: 2798 { 2799 struct sctp_initmsg *sinit; 2800 2801 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2802 SCTP_INP_RLOCK(inp); 2803 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2804 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2805 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2806 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2807 SCTP_INP_RUNLOCK(inp); 2808 *optsize = sizeof(struct sctp_initmsg); 2809 break; 2810 } 2811 case SCTP_PRIMARY_ADDR: 2812 /* we allow a "get" operation on this */ 2813 { 2814 struct sctp_setprim *ssp; 2815 2816 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2817 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2818 2819 if (stcb) { 2820 union sctp_sockstore *addr; 2821 2822 addr = &stcb->asoc.primary_destination->ro._l_addr; 2823 switch (addr->sa.sa_family) { 2824 #ifdef INET 2825 case AF_INET: 2826 #ifdef INET6 2827 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2828 in6_sin_2_v4mapsin6(&addr->sin, 2829 (struct sockaddr_in6 *)&ssp->ssp_addr); 2830 } else { 2831 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2832 } 2833 #else 2834 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2835 #endif 2836 break; 2837 #endif 2838 #ifdef INET6 2839 case AF_INET6: 2840 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2841 break; 2842 #endif 2843 default: 2844 break; 2845 } 2846 SCTP_TCB_UNLOCK(stcb); 2847 *optsize = sizeof(struct sctp_setprim); 2848 } else { 2849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2850 error = EINVAL; 2851 } 2852 break; 2853 } 2854 case SCTP_HMAC_IDENT: 2855 { 2856 struct sctp_hmacalgo *shmac; 2857 sctp_hmaclist_t *hmaclist; 2858 uint32_t size; 2859 int i; 2860 2861 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2862 2863 SCTP_INP_RLOCK(inp); 2864 hmaclist = inp->sctp_ep.local_hmacs; 2865 if (hmaclist == NULL) { 2866 /* no HMACs to return */ 2867 *optsize = sizeof(*shmac); 2868 SCTP_INP_RUNLOCK(inp); 2869 break; 2870 } 2871 /* is there room for all of the hmac ids? */ 2872 size = sizeof(*shmac) + (hmaclist->num_algo * 2873 sizeof(shmac->shmac_idents[0])); 2874 if ((size_t)(*optsize) < size) { 2875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2876 error = EINVAL; 2877 SCTP_INP_RUNLOCK(inp); 2878 break; 2879 } 2880 /* copy in the list */ 2881 shmac->shmac_number_of_idents = hmaclist->num_algo; 2882 for (i = 0; i < hmaclist->num_algo; i++) { 2883 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2884 } 2885 SCTP_INP_RUNLOCK(inp); 2886 *optsize = size; 2887 break; 2888 } 2889 case SCTP_AUTH_ACTIVE_KEY: 2890 { 2891 struct sctp_authkeyid *scact; 2892 2893 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2894 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2895 2896 if (stcb) { 2897 /* get the active key on the assoc */ 2898 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2899 SCTP_TCB_UNLOCK(stcb); 2900 } else { 2901 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2902 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2903 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2904 /* get the endpoint active key */ 2905 SCTP_INP_RLOCK(inp); 2906 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2907 SCTP_INP_RUNLOCK(inp); 2908 } else { 2909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2910 error = EINVAL; 2911 } 2912 } 2913 if (error == 0) { 2914 *optsize = sizeof(struct sctp_authkeyid); 2915 } 2916 break; 2917 } 2918 case SCTP_LOCAL_AUTH_CHUNKS: 2919 { 2920 struct sctp_authchunks *sac; 2921 sctp_auth_chklist_t *chklist = NULL; 2922 size_t size = 0; 2923 2924 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2925 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2926 2927 if (stcb) { 2928 /* get off the assoc */ 2929 chklist = stcb->asoc.local_auth_chunks; 2930 /* is there enough space? */ 2931 size = sctp_auth_get_chklist_size(chklist); 2932 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2933 error = EINVAL; 2934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2935 } else { 2936 /* copy in the chunks */ 2937 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2938 sac->gauth_number_of_chunks = (uint32_t)size; 2939 *optsize = sizeof(struct sctp_authchunks) + size; 2940 } 2941 SCTP_TCB_UNLOCK(stcb); 2942 } else { 2943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2944 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2945 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2946 /* get off the endpoint */ 2947 SCTP_INP_RLOCK(inp); 2948 chklist = inp->sctp_ep.local_auth_chunks; 2949 /* is there enough space? */ 2950 size = sctp_auth_get_chklist_size(chklist); 2951 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2952 error = EINVAL; 2953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2954 } else { 2955 /* copy in the chunks */ 2956 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2957 sac->gauth_number_of_chunks = (uint32_t)size; 2958 *optsize = sizeof(struct sctp_authchunks) + size; 2959 } 2960 SCTP_INP_RUNLOCK(inp); 2961 } else { 2962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2963 error = EINVAL; 2964 } 2965 } 2966 break; 2967 } 2968 case SCTP_PEER_AUTH_CHUNKS: 2969 { 2970 struct sctp_authchunks *sac; 2971 sctp_auth_chklist_t *chklist = NULL; 2972 size_t size = 0; 2973 2974 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2975 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2976 2977 if (stcb) { 2978 /* get off the assoc */ 2979 chklist = stcb->asoc.peer_auth_chunks; 2980 /* is there enough space? */ 2981 size = sctp_auth_get_chklist_size(chklist); 2982 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2983 error = EINVAL; 2984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2985 } else { 2986 /* copy in the chunks */ 2987 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2988 sac->gauth_number_of_chunks = (uint32_t)size; 2989 *optsize = sizeof(struct sctp_authchunks) + size; 2990 } 2991 SCTP_TCB_UNLOCK(stcb); 2992 } else { 2993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2994 error = ENOENT; 2995 } 2996 break; 2997 } 2998 case SCTP_EVENT: 2999 { 3000 struct sctp_event *event; 3001 uint32_t event_type; 3002 3003 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3004 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3005 3006 switch (event->se_type) { 3007 case SCTP_ASSOC_CHANGE: 3008 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3009 break; 3010 case SCTP_PEER_ADDR_CHANGE: 3011 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3012 break; 3013 case SCTP_REMOTE_ERROR: 3014 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3015 break; 3016 case SCTP_SEND_FAILED: 3017 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3018 break; 3019 case SCTP_SHUTDOWN_EVENT: 3020 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3021 break; 3022 case SCTP_ADAPTATION_INDICATION: 3023 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3024 break; 3025 case SCTP_PARTIAL_DELIVERY_EVENT: 3026 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3027 break; 3028 case SCTP_AUTHENTICATION_EVENT: 3029 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3030 break; 3031 case SCTP_STREAM_RESET_EVENT: 3032 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3033 break; 3034 case SCTP_SENDER_DRY_EVENT: 3035 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3036 break; 3037 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3038 event_type = 0; 3039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3040 error = ENOTSUP; 3041 break; 3042 case SCTP_ASSOC_RESET_EVENT: 3043 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3044 break; 3045 case SCTP_STREAM_CHANGE_EVENT: 3046 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3047 break; 3048 case SCTP_SEND_FAILED_EVENT: 3049 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3050 break; 3051 default: 3052 event_type = 0; 3053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3054 error = EINVAL; 3055 break; 3056 } 3057 if (event_type > 0) { 3058 if (stcb) { 3059 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3060 } else { 3061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3062 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3063 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3064 SCTP_INP_RLOCK(inp); 3065 event->se_on = sctp_is_feature_on(inp, event_type); 3066 SCTP_INP_RUNLOCK(inp); 3067 } else { 3068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3069 error = EINVAL; 3070 } 3071 } 3072 } 3073 if (stcb != NULL) { 3074 SCTP_TCB_UNLOCK(stcb); 3075 } 3076 if (error == 0) { 3077 *optsize = sizeof(struct sctp_event); 3078 } 3079 break; 3080 } 3081 case SCTP_RECVRCVINFO: 3082 { 3083 int onoff; 3084 3085 if (*optsize < sizeof(int)) { 3086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3087 error = EINVAL; 3088 } else { 3089 SCTP_INP_RLOCK(inp); 3090 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3091 SCTP_INP_RUNLOCK(inp); 3092 } 3093 if (error == 0) { 3094 /* return the option value */ 3095 *(int *)optval = onoff; 3096 *optsize = sizeof(int); 3097 } 3098 break; 3099 } 3100 case SCTP_RECVNXTINFO: 3101 { 3102 int onoff; 3103 3104 if (*optsize < sizeof(int)) { 3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3106 error = EINVAL; 3107 } else { 3108 SCTP_INP_RLOCK(inp); 3109 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3110 SCTP_INP_RUNLOCK(inp); 3111 } 3112 if (error == 0) { 3113 /* return the option value */ 3114 *(int *)optval = onoff; 3115 *optsize = sizeof(int); 3116 } 3117 break; 3118 } 3119 case SCTP_DEFAULT_SNDINFO: 3120 { 3121 struct sctp_sndinfo *info; 3122 3123 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3124 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3125 3126 if (stcb) { 3127 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3128 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3129 info->snd_flags &= 0xfff0; 3130 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3131 info->snd_context = stcb->asoc.def_send.sinfo_context; 3132 SCTP_TCB_UNLOCK(stcb); 3133 } else { 3134 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3135 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3136 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3137 SCTP_INP_RLOCK(inp); 3138 info->snd_sid = inp->def_send.sinfo_stream; 3139 info->snd_flags = inp->def_send.sinfo_flags; 3140 info->snd_flags &= 0xfff0; 3141 info->snd_ppid = inp->def_send.sinfo_ppid; 3142 info->snd_context = inp->def_send.sinfo_context; 3143 SCTP_INP_RUNLOCK(inp); 3144 } else { 3145 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3146 error = EINVAL; 3147 } 3148 } 3149 if (error == 0) { 3150 *optsize = sizeof(struct sctp_sndinfo); 3151 } 3152 break; 3153 } 3154 case SCTP_DEFAULT_PRINFO: 3155 { 3156 struct sctp_default_prinfo *info; 3157 3158 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3159 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3160 3161 if (stcb) { 3162 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3163 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3164 SCTP_TCB_UNLOCK(stcb); 3165 } else { 3166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3167 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3168 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3169 SCTP_INP_RLOCK(inp); 3170 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3171 info->pr_value = inp->def_send.sinfo_timetolive; 3172 SCTP_INP_RUNLOCK(inp); 3173 } else { 3174 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3175 error = EINVAL; 3176 } 3177 } 3178 if (error == 0) { 3179 *optsize = sizeof(struct sctp_default_prinfo); 3180 } 3181 break; 3182 } 3183 case SCTP_PEER_ADDR_THLDS: 3184 { 3185 struct sctp_paddrthlds *thlds; 3186 struct sctp_nets *net; 3187 struct sockaddr *addr; 3188 #if defined(INET) && defined(INET6) 3189 struct sockaddr_in sin_store; 3190 #endif 3191 3192 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3193 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3194 3195 #if defined(INET) && defined(INET6) 3196 if (thlds->spt_address.ss_family == AF_INET6) { 3197 struct sockaddr_in6 *sin6; 3198 3199 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3200 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3201 in6_sin6_2_sin(&sin_store, sin6); 3202 addr = (struct sockaddr *)&sin_store; 3203 } else { 3204 addr = (struct sockaddr *)&thlds->spt_address; 3205 } 3206 } else { 3207 addr = (struct sockaddr *)&thlds->spt_address; 3208 } 3209 #else 3210 addr = (struct sockaddr *)&thlds->spt_address; 3211 #endif 3212 if (stcb != NULL) { 3213 net = sctp_findnet(stcb, addr); 3214 } else { 3215 /* 3216 * We increment here since 3217 * sctp_findassociation_ep_addr() wil do a 3218 * decrement if it finds the stcb as long as 3219 * the locked tcb (last argument) is NOT a 3220 * TCB.. aka NULL. 3221 */ 3222 net = NULL; 3223 SCTP_INP_INCR_REF(inp); 3224 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3225 if (stcb == NULL) { 3226 SCTP_INP_DECR_REF(inp); 3227 } 3228 } 3229 if ((stcb != NULL) && (net == NULL)) { 3230 #ifdef INET 3231 if (addr->sa_family == AF_INET) { 3232 struct sockaddr_in *sin; 3233 3234 sin = (struct sockaddr_in *)addr; 3235 if (sin->sin_addr.s_addr != INADDR_ANY) { 3236 error = EINVAL; 3237 SCTP_TCB_UNLOCK(stcb); 3238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3239 break; 3240 } 3241 } else 3242 #endif 3243 #ifdef INET6 3244 if (addr->sa_family == AF_INET6) { 3245 struct sockaddr_in6 *sin6; 3246 3247 sin6 = (struct sockaddr_in6 *)addr; 3248 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3249 error = EINVAL; 3250 SCTP_TCB_UNLOCK(stcb); 3251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3252 break; 3253 } 3254 } else 3255 #endif 3256 { 3257 error = EAFNOSUPPORT; 3258 SCTP_TCB_UNLOCK(stcb); 3259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3260 break; 3261 } 3262 } 3263 if (stcb != NULL) { 3264 if (net != NULL) { 3265 thlds->spt_pathmaxrxt = net->failure_threshold; 3266 thlds->spt_pathpfthld = net->pf_threshold; 3267 thlds->spt_pathcpthld = 0xffff; 3268 } else { 3269 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3270 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3271 thlds->spt_pathcpthld = 0xffff; 3272 } 3273 thlds->spt_assoc_id = sctp_get_associd(stcb); 3274 SCTP_TCB_UNLOCK(stcb); 3275 } else { 3276 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3277 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3278 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3279 /* Use endpoint defaults */ 3280 SCTP_INP_RLOCK(inp); 3281 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3282 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3283 thlds->spt_pathcpthld = 0xffff; 3284 SCTP_INP_RUNLOCK(inp); 3285 } else { 3286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3287 error = EINVAL; 3288 } 3289 } 3290 if (error == 0) { 3291 *optsize = sizeof(struct sctp_paddrthlds); 3292 } 3293 break; 3294 } 3295 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3296 { 3297 struct sctp_udpencaps *encaps; 3298 struct sctp_nets *net; 3299 struct sockaddr *addr; 3300 #if defined(INET) && defined(INET6) 3301 struct sockaddr_in sin_store; 3302 #endif 3303 3304 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3305 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3306 3307 #if defined(INET) && defined(INET6) 3308 if (encaps->sue_address.ss_family == AF_INET6) { 3309 struct sockaddr_in6 *sin6; 3310 3311 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3312 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3313 in6_sin6_2_sin(&sin_store, sin6); 3314 addr = (struct sockaddr *)&sin_store; 3315 } else { 3316 addr = (struct sockaddr *)&encaps->sue_address; 3317 } 3318 } else { 3319 addr = (struct sockaddr *)&encaps->sue_address; 3320 } 3321 #else 3322 addr = (struct sockaddr *)&encaps->sue_address; 3323 #endif 3324 if (stcb) { 3325 net = sctp_findnet(stcb, addr); 3326 } else { 3327 /* 3328 * We increment here since 3329 * sctp_findassociation_ep_addr() wil do a 3330 * decrement if it finds the stcb as long as 3331 * the locked tcb (last argument) is NOT a 3332 * TCB.. aka NULL. 3333 */ 3334 net = NULL; 3335 SCTP_INP_INCR_REF(inp); 3336 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3337 if (stcb == NULL) { 3338 SCTP_INP_DECR_REF(inp); 3339 } 3340 } 3341 if ((stcb != NULL) && (net == NULL)) { 3342 #ifdef INET 3343 if (addr->sa_family == AF_INET) { 3344 struct sockaddr_in *sin; 3345 3346 sin = (struct sockaddr_in *)addr; 3347 if (sin->sin_addr.s_addr != INADDR_ANY) { 3348 error = EINVAL; 3349 SCTP_TCB_UNLOCK(stcb); 3350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3351 break; 3352 } 3353 } else 3354 #endif 3355 #ifdef INET6 3356 if (addr->sa_family == AF_INET6) { 3357 struct sockaddr_in6 *sin6; 3358 3359 sin6 = (struct sockaddr_in6 *)addr; 3360 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3361 error = EINVAL; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } else 3367 #endif 3368 { 3369 error = EAFNOSUPPORT; 3370 SCTP_TCB_UNLOCK(stcb); 3371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3372 break; 3373 } 3374 } 3375 if (stcb != NULL) { 3376 if (net) { 3377 encaps->sue_port = net->port; 3378 } else { 3379 encaps->sue_port = stcb->asoc.port; 3380 } 3381 SCTP_TCB_UNLOCK(stcb); 3382 } else { 3383 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3384 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3385 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3386 SCTP_INP_RLOCK(inp); 3387 encaps->sue_port = inp->sctp_ep.port; 3388 SCTP_INP_RUNLOCK(inp); 3389 } else { 3390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3391 error = EINVAL; 3392 } 3393 } 3394 if (error == 0) { 3395 *optsize = sizeof(struct sctp_udpencaps); 3396 } 3397 break; 3398 } 3399 case SCTP_ECN_SUPPORTED: 3400 { 3401 struct sctp_assoc_value *av; 3402 3403 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3404 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3405 3406 if (stcb) { 3407 av->assoc_value = stcb->asoc.ecn_supported; 3408 SCTP_TCB_UNLOCK(stcb); 3409 } else { 3410 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3411 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3412 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3413 SCTP_INP_RLOCK(inp); 3414 av->assoc_value = inp->ecn_supported; 3415 SCTP_INP_RUNLOCK(inp); 3416 } else { 3417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3418 error = EINVAL; 3419 } 3420 } 3421 if (error == 0) { 3422 *optsize = sizeof(struct sctp_assoc_value); 3423 } 3424 break; 3425 } 3426 case SCTP_PR_SUPPORTED: 3427 { 3428 struct sctp_assoc_value *av; 3429 3430 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3431 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3432 3433 if (stcb) { 3434 av->assoc_value = stcb->asoc.prsctp_supported; 3435 SCTP_TCB_UNLOCK(stcb); 3436 } else { 3437 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3438 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3439 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3440 SCTP_INP_RLOCK(inp); 3441 av->assoc_value = inp->prsctp_supported; 3442 SCTP_INP_RUNLOCK(inp); 3443 } else { 3444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3445 error = EINVAL; 3446 } 3447 } 3448 if (error == 0) { 3449 *optsize = sizeof(struct sctp_assoc_value); 3450 } 3451 break; 3452 } 3453 case SCTP_AUTH_SUPPORTED: 3454 { 3455 struct sctp_assoc_value *av; 3456 3457 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3458 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3459 3460 if (stcb) { 3461 av->assoc_value = stcb->asoc.auth_supported; 3462 SCTP_TCB_UNLOCK(stcb); 3463 } else { 3464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3466 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3467 SCTP_INP_RLOCK(inp); 3468 av->assoc_value = inp->auth_supported; 3469 SCTP_INP_RUNLOCK(inp); 3470 } else { 3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3472 error = EINVAL; 3473 } 3474 } 3475 if (error == 0) { 3476 *optsize = sizeof(struct sctp_assoc_value); 3477 } 3478 break; 3479 } 3480 case SCTP_ASCONF_SUPPORTED: 3481 { 3482 struct sctp_assoc_value *av; 3483 3484 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3485 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3486 3487 if (stcb) { 3488 av->assoc_value = stcb->asoc.asconf_supported; 3489 SCTP_TCB_UNLOCK(stcb); 3490 } else { 3491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3493 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3494 SCTP_INP_RLOCK(inp); 3495 av->assoc_value = inp->asconf_supported; 3496 SCTP_INP_RUNLOCK(inp); 3497 } else { 3498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3499 error = EINVAL; 3500 } 3501 } 3502 if (error == 0) { 3503 *optsize = sizeof(struct sctp_assoc_value); 3504 } 3505 break; 3506 } 3507 case SCTP_RECONFIG_SUPPORTED: 3508 { 3509 struct sctp_assoc_value *av; 3510 3511 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3512 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3513 3514 if (stcb) { 3515 av->assoc_value = stcb->asoc.reconfig_supported; 3516 SCTP_TCB_UNLOCK(stcb); 3517 } else { 3518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3519 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3520 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3521 SCTP_INP_RLOCK(inp); 3522 av->assoc_value = inp->reconfig_supported; 3523 SCTP_INP_RUNLOCK(inp); 3524 } else { 3525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3526 error = EINVAL; 3527 } 3528 } 3529 if (error == 0) { 3530 *optsize = sizeof(struct sctp_assoc_value); 3531 } 3532 break; 3533 } 3534 case SCTP_NRSACK_SUPPORTED: 3535 { 3536 struct sctp_assoc_value *av; 3537 3538 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3539 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3540 3541 if (stcb) { 3542 av->assoc_value = stcb->asoc.nrsack_supported; 3543 SCTP_TCB_UNLOCK(stcb); 3544 } else { 3545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3547 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3548 SCTP_INP_RLOCK(inp); 3549 av->assoc_value = inp->nrsack_supported; 3550 SCTP_INP_RUNLOCK(inp); 3551 } else { 3552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3553 error = EINVAL; 3554 } 3555 } 3556 if (error == 0) { 3557 *optsize = sizeof(struct sctp_assoc_value); 3558 } 3559 break; 3560 } 3561 case SCTP_PKTDROP_SUPPORTED: 3562 { 3563 struct sctp_assoc_value *av; 3564 3565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3567 3568 if (stcb) { 3569 av->assoc_value = stcb->asoc.pktdrop_supported; 3570 SCTP_TCB_UNLOCK(stcb); 3571 } else { 3572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3574 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3575 SCTP_INP_RLOCK(inp); 3576 av->assoc_value = inp->pktdrop_supported; 3577 SCTP_INP_RUNLOCK(inp); 3578 } else { 3579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3580 error = EINVAL; 3581 } 3582 } 3583 if (error == 0) { 3584 *optsize = sizeof(struct sctp_assoc_value); 3585 } 3586 break; 3587 } 3588 case SCTP_ENABLE_STREAM_RESET: 3589 { 3590 struct sctp_assoc_value *av; 3591 3592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3593 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3594 3595 if (stcb) { 3596 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3597 SCTP_TCB_UNLOCK(stcb); 3598 } else { 3599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3601 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3602 SCTP_INP_RLOCK(inp); 3603 av->assoc_value = (uint32_t)inp->local_strreset_support; 3604 SCTP_INP_RUNLOCK(inp); 3605 } else { 3606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3607 error = EINVAL; 3608 } 3609 } 3610 if (error == 0) { 3611 *optsize = sizeof(struct sctp_assoc_value); 3612 } 3613 break; 3614 } 3615 case SCTP_PR_STREAM_STATUS: 3616 { 3617 struct sctp_prstatus *sprstat; 3618 uint16_t sid; 3619 uint16_t policy; 3620 3621 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3622 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3623 3624 sid = sprstat->sprstat_sid; 3625 policy = sprstat->sprstat_policy; 3626 #if defined(SCTP_DETAILED_STR_STATS) 3627 if ((stcb != NULL) && 3628 (sid < stcb->asoc.streamoutcnt) && 3629 (policy != SCTP_PR_SCTP_NONE) && 3630 ((policy <= SCTP_PR_SCTP_MAX) || 3631 (policy == SCTP_PR_SCTP_ALL))) { 3632 if (policy == SCTP_PR_SCTP_ALL) { 3633 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3634 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3635 } else { 3636 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3637 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3638 } 3639 #else 3640 if ((stcb != NULL) && 3641 (sid < stcb->asoc.streamoutcnt) && 3642 (policy == SCTP_PR_SCTP_ALL)) { 3643 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3644 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3645 #endif 3646 } else { 3647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3648 error = EINVAL; 3649 } 3650 if (stcb != NULL) { 3651 SCTP_TCB_UNLOCK(stcb); 3652 } 3653 if (error == 0) { 3654 *optsize = sizeof(struct sctp_prstatus); 3655 } 3656 break; 3657 } 3658 case SCTP_PR_ASSOC_STATUS: 3659 { 3660 struct sctp_prstatus *sprstat; 3661 uint16_t policy; 3662 3663 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3664 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3665 3666 policy = sprstat->sprstat_policy; 3667 if ((stcb != NULL) && 3668 (policy != SCTP_PR_SCTP_NONE) && 3669 ((policy <= SCTP_PR_SCTP_MAX) || 3670 (policy == SCTP_PR_SCTP_ALL))) { 3671 if (policy == SCTP_PR_SCTP_ALL) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3674 } else { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3677 } 3678 } else { 3679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3680 error = EINVAL; 3681 } 3682 if (stcb != NULL) { 3683 SCTP_TCB_UNLOCK(stcb); 3684 } 3685 if (error == 0) { 3686 *optsize = sizeof(struct sctp_prstatus); 3687 } 3688 break; 3689 } 3690 case SCTP_MAX_CWND: 3691 { 3692 struct sctp_assoc_value *av; 3693 3694 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3695 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3696 3697 if (stcb) { 3698 av->assoc_value = stcb->asoc.max_cwnd; 3699 SCTP_TCB_UNLOCK(stcb); 3700 } else { 3701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3703 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3704 SCTP_INP_RLOCK(inp); 3705 av->assoc_value = inp->max_cwnd; 3706 SCTP_INP_RUNLOCK(inp); 3707 } else { 3708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3709 error = EINVAL; 3710 } 3711 } 3712 if (error == 0) { 3713 *optsize = sizeof(struct sctp_assoc_value); 3714 } 3715 break; 3716 } 3717 default: 3718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3719 error = ENOPROTOOPT; 3720 break; 3721 } /* end switch (sopt->sopt_name) */ 3722 if (error) { 3723 *optsize = 0; 3724 } 3725 return (error); 3726 } 3727 3728 static int 3729 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3730 void *p) 3731 { 3732 int error, set_opt; 3733 uint32_t *mopt; 3734 struct sctp_tcb *stcb = NULL; 3735 struct sctp_inpcb *inp = NULL; 3736 uint32_t vrf_id; 3737 3738 if (optval == NULL) { 3739 SCTP_PRINTF("optval is NULL\n"); 3740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3741 return (EINVAL); 3742 } 3743 inp = (struct sctp_inpcb *)so->so_pcb; 3744 if (inp == NULL) { 3745 SCTP_PRINTF("inp is NULL?\n"); 3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3747 return (EINVAL); 3748 } 3749 vrf_id = inp->def_vrf_id; 3750 3751 error = 0; 3752 switch (optname) { 3753 case SCTP_NODELAY: 3754 case SCTP_AUTOCLOSE: 3755 case SCTP_AUTO_ASCONF: 3756 case SCTP_EXPLICIT_EOR: 3757 case SCTP_DISABLE_FRAGMENTS: 3758 case SCTP_USE_EXT_RCVINFO: 3759 case SCTP_I_WANT_MAPPED_V4_ADDR: 3760 /* copy in the option value */ 3761 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3762 set_opt = 0; 3763 if (error) 3764 break; 3765 switch (optname) { 3766 case SCTP_DISABLE_FRAGMENTS: 3767 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3768 break; 3769 case SCTP_AUTO_ASCONF: 3770 /* 3771 * NOTE: we don't really support this flag 3772 */ 3773 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3774 /* only valid for bound all sockets */ 3775 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3776 (*mopt != 0)) { 3777 /* forbidden by admin */ 3778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3779 return (EPERM); 3780 } 3781 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3782 } else { 3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3784 return (EINVAL); 3785 } 3786 break; 3787 case SCTP_EXPLICIT_EOR: 3788 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3789 break; 3790 case SCTP_USE_EXT_RCVINFO: 3791 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3792 break; 3793 case SCTP_I_WANT_MAPPED_V4_ADDR: 3794 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3795 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3796 } else { 3797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3798 return (EINVAL); 3799 } 3800 break; 3801 case SCTP_NODELAY: 3802 set_opt = SCTP_PCB_FLAGS_NODELAY; 3803 break; 3804 case SCTP_AUTOCLOSE: 3805 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3806 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3808 return (EINVAL); 3809 } 3810 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3811 /* 3812 * The value is in ticks. Note this does not effect 3813 * old associations, only new ones. 3814 */ 3815 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3816 break; 3817 } 3818 SCTP_INP_WLOCK(inp); 3819 if (*mopt != 0) { 3820 sctp_feature_on(inp, set_opt); 3821 } else { 3822 sctp_feature_off(inp, set_opt); 3823 } 3824 SCTP_INP_WUNLOCK(inp); 3825 break; 3826 case SCTP_REUSE_PORT: 3827 { 3828 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3830 /* Can't set it after we are bound */ 3831 error = EINVAL; 3832 break; 3833 } 3834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3835 /* Can't do this for a 1-m socket */ 3836 error = EINVAL; 3837 break; 3838 } 3839 if (optval) 3840 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3841 else 3842 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3843 break; 3844 } 3845 case SCTP_PARTIAL_DELIVERY_POINT: 3846 { 3847 uint32_t *value; 3848 3849 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3850 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3852 error = EINVAL; 3853 break; 3854 } 3855 inp->partial_delivery_point = *value; 3856 break; 3857 } 3858 case SCTP_FRAGMENT_INTERLEAVE: 3859 /* not yet until we re-write sctp_recvmsg() */ 3860 { 3861 uint32_t *level; 3862 3863 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3864 if (*level == SCTP_FRAG_LEVEL_2) { 3865 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3866 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3867 } else if (*level == SCTP_FRAG_LEVEL_1) { 3868 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3869 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3870 } else if (*level == SCTP_FRAG_LEVEL_0) { 3871 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3872 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3873 3874 } else { 3875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3876 error = EINVAL; 3877 } 3878 break; 3879 } 3880 case SCTP_INTERLEAVING_SUPPORTED: 3881 { 3882 struct sctp_assoc_value *av; 3883 3884 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3885 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3886 3887 if (stcb) { 3888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3889 error = EINVAL; 3890 SCTP_TCB_UNLOCK(stcb); 3891 } else { 3892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3893 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3894 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3895 SCTP_INP_WLOCK(inp); 3896 if (av->assoc_value == 0) { 3897 inp->idata_supported = 0; 3898 } else { 3899 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3900 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3901 inp->idata_supported = 1; 3902 } else { 3903 /* 3904 * Must have Frag 3905 * interleave and 3906 * stream interleave 3907 * on 3908 */ 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 } 3912 } 3913 SCTP_INP_WUNLOCK(inp); 3914 } else { 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3916 error = EINVAL; 3917 } 3918 } 3919 break; 3920 } 3921 case SCTP_CMT_ON_OFF: 3922 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3923 struct sctp_assoc_value *av; 3924 3925 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3926 if (av->assoc_value > SCTP_CMT_MAX) { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 break; 3930 } 3931 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3932 if (stcb) { 3933 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3934 SCTP_TCB_UNLOCK(stcb); 3935 } else { 3936 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3937 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3938 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3939 (av->assoc_id == SCTP_ALL_ASSOC)) { 3940 SCTP_INP_WLOCK(inp); 3941 inp->sctp_cmt_on_off = av->assoc_value; 3942 SCTP_INP_WUNLOCK(inp); 3943 } 3944 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3945 (av->assoc_id == SCTP_ALL_ASSOC)) { 3946 SCTP_INP_RLOCK(inp); 3947 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3948 SCTP_TCB_LOCK(stcb); 3949 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3950 SCTP_TCB_UNLOCK(stcb); 3951 } 3952 SCTP_INP_RUNLOCK(inp); 3953 } 3954 } 3955 } else { 3956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3957 error = ENOPROTOOPT; 3958 } 3959 break; 3960 case SCTP_PLUGGABLE_CC: 3961 { 3962 struct sctp_assoc_value *av; 3963 struct sctp_nets *net; 3964 3965 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3966 if ((av->assoc_value != SCTP_CC_RFC2581) && 3967 (av->assoc_value != SCTP_CC_HSTCP) && 3968 (av->assoc_value != SCTP_CC_HTCP) && 3969 (av->assoc_value != SCTP_CC_RTCC)) { 3970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3971 error = EINVAL; 3972 break; 3973 } 3974 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3975 if (stcb) { 3976 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3977 stcb->asoc.congestion_control_module = av->assoc_value; 3978 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3979 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3980 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3981 } 3982 } 3983 SCTP_TCB_UNLOCK(stcb); 3984 } else { 3985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3987 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3988 (av->assoc_id == SCTP_ALL_ASSOC)) { 3989 SCTP_INP_WLOCK(inp); 3990 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3991 SCTP_INP_WUNLOCK(inp); 3992 } 3993 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3994 (av->assoc_id == SCTP_ALL_ASSOC)) { 3995 SCTP_INP_RLOCK(inp); 3996 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3997 SCTP_TCB_LOCK(stcb); 3998 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3999 stcb->asoc.congestion_control_module = av->assoc_value; 4000 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4001 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4002 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4003 } 4004 } 4005 SCTP_TCB_UNLOCK(stcb); 4006 } 4007 SCTP_INP_RUNLOCK(inp); 4008 } 4009 } 4010 break; 4011 } 4012 case SCTP_CC_OPTION: 4013 { 4014 struct sctp_cc_option *cc_opt; 4015 4016 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4017 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4018 if (stcb == NULL) { 4019 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4020 SCTP_INP_RLOCK(inp); 4021 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4022 SCTP_TCB_LOCK(stcb); 4023 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4024 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4025 } 4026 SCTP_TCB_UNLOCK(stcb); 4027 } 4028 SCTP_INP_RUNLOCK(inp); 4029 } else { 4030 error = EINVAL; 4031 } 4032 } else { 4033 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4034 error = ENOTSUP; 4035 } else { 4036 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4037 cc_opt); 4038 } 4039 SCTP_TCB_UNLOCK(stcb); 4040 } 4041 break; 4042 } 4043 case SCTP_PLUGGABLE_SS: 4044 { 4045 struct sctp_assoc_value *av; 4046 4047 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4048 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4049 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4050 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4051 (av->assoc_value != SCTP_SS_PRIORITY) && 4052 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4053 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4055 error = EINVAL; 4056 break; 4057 } 4058 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4059 if (stcb) { 4060 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4061 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4062 stcb->asoc.stream_scheduling_module = av->assoc_value; 4063 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4064 SCTP_TCB_UNLOCK(stcb); 4065 } else { 4066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4067 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4068 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4069 (av->assoc_id == SCTP_ALL_ASSOC)) { 4070 SCTP_INP_WLOCK(inp); 4071 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4072 SCTP_INP_WUNLOCK(inp); 4073 } 4074 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4075 (av->assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_RLOCK(inp); 4077 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4078 SCTP_TCB_LOCK(stcb); 4079 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4080 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4081 stcb->asoc.stream_scheduling_module = av->assoc_value; 4082 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4083 SCTP_TCB_UNLOCK(stcb); 4084 } 4085 SCTP_INP_RUNLOCK(inp); 4086 } 4087 } 4088 break; 4089 } 4090 case SCTP_SS_VALUE: 4091 { 4092 struct sctp_stream_value *av; 4093 4094 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4095 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4096 if (stcb) { 4097 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4098 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4099 av->stream_value) < 0)) { 4100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4101 error = EINVAL; 4102 } 4103 SCTP_TCB_UNLOCK(stcb); 4104 } else { 4105 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4106 SCTP_INP_RLOCK(inp); 4107 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4108 SCTP_TCB_LOCK(stcb); 4109 if (av->stream_id < stcb->asoc.streamoutcnt) { 4110 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4111 &stcb->asoc, 4112 &stcb->asoc.strmout[av->stream_id], 4113 av->stream_value); 4114 } 4115 SCTP_TCB_UNLOCK(stcb); 4116 } 4117 SCTP_INP_RUNLOCK(inp); 4118 } else { 4119 /* 4120 * Can't set stream value without 4121 * association 4122 */ 4123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4124 error = EINVAL; 4125 } 4126 } 4127 break; 4128 } 4129 case SCTP_CLR_STAT_LOG: 4130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4131 error = EOPNOTSUPP; 4132 break; 4133 case SCTP_CONTEXT: 4134 { 4135 struct sctp_assoc_value *av; 4136 4137 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4138 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4139 4140 if (stcb) { 4141 stcb->asoc.context = av->assoc_value; 4142 SCTP_TCB_UNLOCK(stcb); 4143 } else { 4144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4145 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4146 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4147 (av->assoc_id == SCTP_ALL_ASSOC)) { 4148 SCTP_INP_WLOCK(inp); 4149 inp->sctp_context = av->assoc_value; 4150 SCTP_INP_WUNLOCK(inp); 4151 } 4152 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4153 (av->assoc_id == SCTP_ALL_ASSOC)) { 4154 SCTP_INP_RLOCK(inp); 4155 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4156 SCTP_TCB_LOCK(stcb); 4157 stcb->asoc.context = av->assoc_value; 4158 SCTP_TCB_UNLOCK(stcb); 4159 } 4160 SCTP_INP_RUNLOCK(inp); 4161 } 4162 } 4163 break; 4164 } 4165 case SCTP_VRF_ID: 4166 { 4167 uint32_t *default_vrfid; 4168 4169 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4170 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4172 error = EINVAL; 4173 break; 4174 } 4175 inp->def_vrf_id = *default_vrfid; 4176 break; 4177 } 4178 case SCTP_DEL_VRF_ID: 4179 { 4180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4181 error = EOPNOTSUPP; 4182 break; 4183 } 4184 case SCTP_ADD_VRF_ID: 4185 { 4186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4187 error = EOPNOTSUPP; 4188 break; 4189 } 4190 case SCTP_DELAYED_SACK: 4191 { 4192 struct sctp_sack_info *sack; 4193 4194 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4195 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4196 if (sack->sack_delay) { 4197 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4198 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4199 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4200 sack->sack_delay = TICKS_TO_MSEC(1); 4201 } 4202 } 4203 if (stcb) { 4204 if (sack->sack_delay) { 4205 stcb->asoc.delayed_ack = sack->sack_delay; 4206 } 4207 if (sack->sack_freq) { 4208 stcb->asoc.sack_freq = sack->sack_freq; 4209 } 4210 SCTP_TCB_UNLOCK(stcb); 4211 } else { 4212 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4213 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4214 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4215 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4216 SCTP_INP_WLOCK(inp); 4217 if (sack->sack_delay) { 4218 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4219 } 4220 if (sack->sack_freq) { 4221 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4222 } 4223 SCTP_INP_WUNLOCK(inp); 4224 } 4225 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4226 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4227 SCTP_INP_RLOCK(inp); 4228 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4229 SCTP_TCB_LOCK(stcb); 4230 if (sack->sack_delay) { 4231 stcb->asoc.delayed_ack = sack->sack_delay; 4232 } 4233 if (sack->sack_freq) { 4234 stcb->asoc.sack_freq = sack->sack_freq; 4235 } 4236 SCTP_TCB_UNLOCK(stcb); 4237 } 4238 SCTP_INP_RUNLOCK(inp); 4239 } 4240 } 4241 break; 4242 } 4243 case SCTP_AUTH_CHUNK: 4244 { 4245 struct sctp_authchunk *sauth; 4246 4247 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4248 4249 SCTP_INP_WLOCK(inp); 4250 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4252 error = EINVAL; 4253 } 4254 SCTP_INP_WUNLOCK(inp); 4255 break; 4256 } 4257 case SCTP_AUTH_KEY: 4258 { 4259 struct sctp_authkey *sca; 4260 struct sctp_keyhead *shared_keys; 4261 sctp_sharedkey_t *shared_key; 4262 sctp_key_t *key = NULL; 4263 size_t size; 4264 4265 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4266 if (sca->sca_keylength == 0) { 4267 size = optsize - sizeof(struct sctp_authkey); 4268 } else { 4269 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4270 size = sca->sca_keylength; 4271 } else { 4272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4273 error = EINVAL; 4274 break; 4275 } 4276 } 4277 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4278 4279 if (stcb) { 4280 shared_keys = &stcb->asoc.shared_keys; 4281 /* clear the cached keys for this key id */ 4282 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4283 /* 4284 * create the new shared key and 4285 * insert/replace it 4286 */ 4287 if (size > 0) { 4288 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4289 if (key == NULL) { 4290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4291 error = ENOMEM; 4292 SCTP_TCB_UNLOCK(stcb); 4293 break; 4294 } 4295 } 4296 shared_key = sctp_alloc_sharedkey(); 4297 if (shared_key == NULL) { 4298 sctp_free_key(key); 4299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4300 error = ENOMEM; 4301 SCTP_TCB_UNLOCK(stcb); 4302 break; 4303 } 4304 shared_key->key = key; 4305 shared_key->keyid = sca->sca_keynumber; 4306 error = sctp_insert_sharedkey(shared_keys, shared_key); 4307 SCTP_TCB_UNLOCK(stcb); 4308 } else { 4309 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4310 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4311 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4312 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4313 SCTP_INP_WLOCK(inp); 4314 shared_keys = &inp->sctp_ep.shared_keys; 4315 /* 4316 * clear the cached keys on all 4317 * assocs for this key id 4318 */ 4319 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4320 /* 4321 * create the new shared key and 4322 * insert/replace it 4323 */ 4324 if (size > 0) { 4325 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4326 if (key == NULL) { 4327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4328 error = ENOMEM; 4329 SCTP_INP_WUNLOCK(inp); 4330 break; 4331 } 4332 } 4333 shared_key = sctp_alloc_sharedkey(); 4334 if (shared_key == NULL) { 4335 sctp_free_key(key); 4336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4337 error = ENOMEM; 4338 SCTP_INP_WUNLOCK(inp); 4339 break; 4340 } 4341 shared_key->key = key; 4342 shared_key->keyid = sca->sca_keynumber; 4343 error = sctp_insert_sharedkey(shared_keys, shared_key); 4344 SCTP_INP_WUNLOCK(inp); 4345 } 4346 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4347 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4348 SCTP_INP_RLOCK(inp); 4349 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4350 SCTP_TCB_LOCK(stcb); 4351 shared_keys = &stcb->asoc.shared_keys; 4352 /* 4353 * clear the cached keys for 4354 * this key id 4355 */ 4356 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4357 /* 4358 * create the new shared key 4359 * and insert/replace it 4360 */ 4361 if (size > 0) { 4362 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4363 if (key == NULL) { 4364 SCTP_TCB_UNLOCK(stcb); 4365 continue; 4366 } 4367 } 4368 shared_key = sctp_alloc_sharedkey(); 4369 if (shared_key == NULL) { 4370 sctp_free_key(key); 4371 SCTP_TCB_UNLOCK(stcb); 4372 continue; 4373 } 4374 shared_key->key = key; 4375 shared_key->keyid = sca->sca_keynumber; 4376 error = sctp_insert_sharedkey(shared_keys, shared_key); 4377 SCTP_TCB_UNLOCK(stcb); 4378 } 4379 SCTP_INP_RUNLOCK(inp); 4380 } 4381 } 4382 break; 4383 } 4384 case SCTP_HMAC_IDENT: 4385 { 4386 struct sctp_hmacalgo *shmac; 4387 sctp_hmaclist_t *hmaclist; 4388 uint16_t hmacid; 4389 uint32_t i; 4390 4391 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4392 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4393 (shmac->shmac_number_of_idents > 0xffff)) { 4394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4395 error = EINVAL; 4396 break; 4397 } 4398 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4399 if (hmaclist == NULL) { 4400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4401 error = ENOMEM; 4402 break; 4403 } 4404 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4405 hmacid = shmac->shmac_idents[i]; 4406 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4407 /* invalid HMACs were found */ ; 4408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4409 error = EINVAL; 4410 sctp_free_hmaclist(hmaclist); 4411 goto sctp_set_hmac_done; 4412 } 4413 } 4414 for (i = 0; i < hmaclist->num_algo; i++) { 4415 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4416 /* already in list */ 4417 break; 4418 } 4419 } 4420 if (i == hmaclist->num_algo) { 4421 /* not found in list */ 4422 sctp_free_hmaclist(hmaclist); 4423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4424 error = EINVAL; 4425 break; 4426 } 4427 /* set it on the endpoint */ 4428 SCTP_INP_WLOCK(inp); 4429 if (inp->sctp_ep.local_hmacs) 4430 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4431 inp->sctp_ep.local_hmacs = hmaclist; 4432 SCTP_INP_WUNLOCK(inp); 4433 sctp_set_hmac_done: 4434 break; 4435 } 4436 case SCTP_AUTH_ACTIVE_KEY: 4437 { 4438 struct sctp_authkeyid *scact; 4439 4440 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4441 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4442 4443 /* set the active key on the right place */ 4444 if (stcb) { 4445 /* set the active key on the assoc */ 4446 if (sctp_auth_setactivekey(stcb, 4447 scact->scact_keynumber)) { 4448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4449 SCTP_FROM_SCTP_USRREQ, 4450 EINVAL); 4451 error = EINVAL; 4452 } 4453 SCTP_TCB_UNLOCK(stcb); 4454 } else { 4455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4457 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4458 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4459 SCTP_INP_WLOCK(inp); 4460 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4462 error = EINVAL; 4463 } 4464 SCTP_INP_WUNLOCK(inp); 4465 } 4466 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4467 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4468 SCTP_INP_RLOCK(inp); 4469 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4470 SCTP_TCB_LOCK(stcb); 4471 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4472 SCTP_TCB_UNLOCK(stcb); 4473 } 4474 SCTP_INP_RUNLOCK(inp); 4475 } 4476 } 4477 break; 4478 } 4479 case SCTP_AUTH_DELETE_KEY: 4480 { 4481 struct sctp_authkeyid *scdel; 4482 4483 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4484 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4485 4486 /* delete the key from the right place */ 4487 if (stcb) { 4488 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4490 error = EINVAL; 4491 } 4492 SCTP_TCB_UNLOCK(stcb); 4493 } else { 4494 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4495 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4496 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4497 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4498 SCTP_INP_WLOCK(inp); 4499 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4501 error = EINVAL; 4502 } 4503 SCTP_INP_WUNLOCK(inp); 4504 } 4505 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4506 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4507 SCTP_INP_RLOCK(inp); 4508 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4509 SCTP_TCB_LOCK(stcb); 4510 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4511 SCTP_TCB_UNLOCK(stcb); 4512 } 4513 SCTP_INP_RUNLOCK(inp); 4514 } 4515 } 4516 break; 4517 } 4518 case SCTP_AUTH_DEACTIVATE_KEY: 4519 { 4520 struct sctp_authkeyid *keyid; 4521 4522 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4523 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4524 4525 /* deactivate the key from the right place */ 4526 if (stcb) { 4527 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4529 error = EINVAL; 4530 } 4531 SCTP_TCB_UNLOCK(stcb); 4532 } else { 4533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4535 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4536 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4537 SCTP_INP_WLOCK(inp); 4538 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4540 error = EINVAL; 4541 } 4542 SCTP_INP_WUNLOCK(inp); 4543 } 4544 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4545 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4546 SCTP_INP_RLOCK(inp); 4547 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4548 SCTP_TCB_LOCK(stcb); 4549 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4550 SCTP_TCB_UNLOCK(stcb); 4551 } 4552 SCTP_INP_RUNLOCK(inp); 4553 } 4554 } 4555 break; 4556 } 4557 case SCTP_ENABLE_STREAM_RESET: 4558 { 4559 struct sctp_assoc_value *av; 4560 4561 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4562 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4564 error = EINVAL; 4565 break; 4566 } 4567 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4568 if (stcb) { 4569 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4570 SCTP_TCB_UNLOCK(stcb); 4571 } else { 4572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4574 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4575 (av->assoc_id == SCTP_ALL_ASSOC)) { 4576 SCTP_INP_WLOCK(inp); 4577 inp->local_strreset_support = (uint8_t)av->assoc_value; 4578 SCTP_INP_WUNLOCK(inp); 4579 } 4580 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4581 (av->assoc_id == SCTP_ALL_ASSOC)) { 4582 SCTP_INP_RLOCK(inp); 4583 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4584 SCTP_TCB_LOCK(stcb); 4585 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4586 SCTP_TCB_UNLOCK(stcb); 4587 } 4588 SCTP_INP_RUNLOCK(inp); 4589 } 4590 } 4591 break; 4592 } 4593 case SCTP_RESET_STREAMS: 4594 { 4595 struct sctp_reset_streams *strrst; 4596 int i, send_out = 0; 4597 int send_in = 0; 4598 4599 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4600 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4601 if (stcb == NULL) { 4602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4603 error = ENOENT; 4604 break; 4605 } 4606 if (stcb->asoc.reconfig_supported == 0) { 4607 /* 4608 * Peer does not support the chunk type. 4609 */ 4610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4611 error = EOPNOTSUPP; 4612 SCTP_TCB_UNLOCK(stcb); 4613 break; 4614 } 4615 if (sizeof(struct sctp_reset_streams) + 4616 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4617 error = EINVAL; 4618 SCTP_TCB_UNLOCK(stcb); 4619 break; 4620 } 4621 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4622 send_in = 1; 4623 if (stcb->asoc.stream_reset_outstanding) { 4624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4625 error = EALREADY; 4626 SCTP_TCB_UNLOCK(stcb); 4627 break; 4628 } 4629 } 4630 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4631 send_out = 1; 4632 } 4633 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4635 error = ENOMEM; 4636 SCTP_TCB_UNLOCK(stcb); 4637 break; 4638 } 4639 if ((send_in == 0) && (send_out == 0)) { 4640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4641 error = EINVAL; 4642 SCTP_TCB_UNLOCK(stcb); 4643 break; 4644 } 4645 for (i = 0; i < strrst->srs_number_streams; i++) { 4646 if ((send_in) && 4647 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4649 error = EINVAL; 4650 break; 4651 } 4652 if ((send_out) && 4653 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4655 error = EINVAL; 4656 break; 4657 } 4658 } 4659 if (error) { 4660 SCTP_TCB_UNLOCK(stcb); 4661 break; 4662 } 4663 if (send_out) { 4664 int cnt; 4665 uint16_t strm; 4666 4667 if (strrst->srs_number_streams) { 4668 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4669 strm = strrst->srs_stream_list[i]; 4670 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4671 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4672 cnt++; 4673 } 4674 } 4675 } else { 4676 /* Its all */ 4677 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4678 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4679 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4680 cnt++; 4681 } 4682 } 4683 } 4684 } 4685 if (send_in) { 4686 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4687 strrst->srs_stream_list, 4688 send_in, 0, 0, 0, 0, 0); 4689 } else { 4690 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4691 } 4692 if (error == 0) { 4693 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4694 } else { 4695 /* 4696 * For outgoing streams don't report any 4697 * problems in sending the request to the 4698 * application. XXX: Double check resetting 4699 * incoming streams. 4700 */ 4701 error = 0; 4702 } 4703 SCTP_TCB_UNLOCK(stcb); 4704 break; 4705 } 4706 case SCTP_ADD_STREAMS: 4707 { 4708 struct sctp_add_streams *stradd; 4709 uint8_t addstream = 0; 4710 uint16_t add_o_strmcnt = 0; 4711 uint16_t add_i_strmcnt = 0; 4712 4713 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4714 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4715 if (stcb == NULL) { 4716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4717 error = ENOENT; 4718 break; 4719 } 4720 if (stcb->asoc.reconfig_supported == 0) { 4721 /* 4722 * Peer does not support the chunk type. 4723 */ 4724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4725 error = EOPNOTSUPP; 4726 SCTP_TCB_UNLOCK(stcb); 4727 break; 4728 } 4729 if (stcb->asoc.stream_reset_outstanding) { 4730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4731 error = EALREADY; 4732 SCTP_TCB_UNLOCK(stcb); 4733 break; 4734 } 4735 if ((stradd->sas_outstrms == 0) && 4736 (stradd->sas_instrms == 0)) { 4737 error = EINVAL; 4738 goto skip_stuff; 4739 } 4740 if (stradd->sas_outstrms) { 4741 addstream = 1; 4742 /* We allocate here */ 4743 add_o_strmcnt = stradd->sas_outstrms; 4744 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4745 /* You can't have more than 64k */ 4746 error = EINVAL; 4747 goto skip_stuff; 4748 } 4749 } 4750 if (stradd->sas_instrms) { 4751 int cnt; 4752 4753 addstream |= 2; 4754 /* 4755 * We allocate inside 4756 * sctp_send_str_reset_req() 4757 */ 4758 add_i_strmcnt = stradd->sas_instrms; 4759 cnt = add_i_strmcnt; 4760 cnt += stcb->asoc.streamincnt; 4761 if (cnt > 0x0000ffff) { 4762 /* You can't have more than 64k */ 4763 error = EINVAL; 4764 goto skip_stuff; 4765 } 4766 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4767 /* More than you are allowed */ 4768 error = EINVAL; 4769 goto skip_stuff; 4770 } 4771 } 4772 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4773 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4774 skip_stuff: 4775 SCTP_TCB_UNLOCK(stcb); 4776 break; 4777 } 4778 case SCTP_RESET_ASSOC: 4779 { 4780 int i; 4781 uint32_t *value; 4782 4783 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4784 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4785 if (stcb == NULL) { 4786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4787 error = ENOENT; 4788 break; 4789 } 4790 if (stcb->asoc.reconfig_supported == 0) { 4791 /* 4792 * Peer does not support the chunk type. 4793 */ 4794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4795 error = EOPNOTSUPP; 4796 SCTP_TCB_UNLOCK(stcb); 4797 break; 4798 } 4799 if (stcb->asoc.stream_reset_outstanding) { 4800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4801 error = EALREADY; 4802 SCTP_TCB_UNLOCK(stcb); 4803 break; 4804 } 4805 /* 4806 * Is there any data pending in the send or sent 4807 * queues? 4808 */ 4809 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4810 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4811 busy_out: 4812 error = EBUSY; 4813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4814 SCTP_TCB_UNLOCK(stcb); 4815 break; 4816 } 4817 /* Do any streams have data queued? */ 4818 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4819 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4820 goto busy_out; 4821 } 4822 } 4823 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4824 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4825 SCTP_TCB_UNLOCK(stcb); 4826 break; 4827 } 4828 case SCTP_CONNECT_X: 4829 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4831 error = EINVAL; 4832 break; 4833 } 4834 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4835 break; 4836 case SCTP_CONNECT_X_DELAYED: 4837 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4839 error = EINVAL; 4840 break; 4841 } 4842 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4843 break; 4844 case SCTP_CONNECT_X_COMPLETE: 4845 { 4846 struct sockaddr *sa; 4847 4848 /* FIXME MT: check correct? */ 4849 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4850 4851 /* find tcb */ 4852 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4853 SCTP_INP_RLOCK(inp); 4854 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4855 if (stcb) { 4856 SCTP_TCB_LOCK(stcb); 4857 } 4858 SCTP_INP_RUNLOCK(inp); 4859 } else { 4860 /* 4861 * We increment here since 4862 * sctp_findassociation_ep_addr() wil do a 4863 * decrement if it finds the stcb as long as 4864 * the locked tcb (last argument) is NOT a 4865 * TCB.. aka NULL. 4866 */ 4867 SCTP_INP_INCR_REF(inp); 4868 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4869 if (stcb == NULL) { 4870 SCTP_INP_DECR_REF(inp); 4871 } 4872 } 4873 4874 if (stcb == NULL) { 4875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4876 error = ENOENT; 4877 break; 4878 } 4879 if (stcb->asoc.delayed_connection == 1) { 4880 stcb->asoc.delayed_connection = 0; 4881 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4882 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4883 stcb->asoc.primary_destination, 4884 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4885 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4886 } else { 4887 /* 4888 * already expired or did not use delayed 4889 * connectx 4890 */ 4891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4892 error = EALREADY; 4893 } 4894 SCTP_TCB_UNLOCK(stcb); 4895 break; 4896 } 4897 case SCTP_MAX_BURST: 4898 { 4899 struct sctp_assoc_value *av; 4900 4901 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4902 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4903 4904 if (stcb) { 4905 stcb->asoc.max_burst = av->assoc_value; 4906 SCTP_TCB_UNLOCK(stcb); 4907 } else { 4908 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4909 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4910 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4911 (av->assoc_id == SCTP_ALL_ASSOC)) { 4912 SCTP_INP_WLOCK(inp); 4913 inp->sctp_ep.max_burst = av->assoc_value; 4914 SCTP_INP_WUNLOCK(inp); 4915 } 4916 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4917 (av->assoc_id == SCTP_ALL_ASSOC)) { 4918 SCTP_INP_RLOCK(inp); 4919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4920 SCTP_TCB_LOCK(stcb); 4921 stcb->asoc.max_burst = av->assoc_value; 4922 SCTP_TCB_UNLOCK(stcb); 4923 } 4924 SCTP_INP_RUNLOCK(inp); 4925 } 4926 } 4927 break; 4928 } 4929 case SCTP_MAXSEG: 4930 { 4931 struct sctp_assoc_value *av; 4932 int ovh; 4933 4934 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4935 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4936 4937 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4938 ovh = SCTP_MED_OVERHEAD; 4939 } else { 4940 ovh = SCTP_MED_V4_OVERHEAD; 4941 } 4942 if (stcb) { 4943 if (av->assoc_value) { 4944 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4945 } else { 4946 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4947 } 4948 SCTP_TCB_UNLOCK(stcb); 4949 } else { 4950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4952 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4953 SCTP_INP_WLOCK(inp); 4954 /* 4955 * FIXME MT: I think this is not in 4956 * tune with the API ID 4957 */ 4958 if (av->assoc_value) { 4959 inp->sctp_frag_point = (av->assoc_value + ovh); 4960 } else { 4961 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4962 } 4963 SCTP_INP_WUNLOCK(inp); 4964 } else { 4965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4966 error = EINVAL; 4967 } 4968 } 4969 break; 4970 } 4971 case SCTP_EVENTS: 4972 { 4973 struct sctp_event_subscribe *events; 4974 4975 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4976 4977 SCTP_INP_WLOCK(inp); 4978 if (events->sctp_data_io_event) { 4979 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4980 } else { 4981 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4982 } 4983 4984 if (events->sctp_association_event) { 4985 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4986 } else { 4987 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4988 } 4989 4990 if (events->sctp_address_event) { 4991 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4992 } else { 4993 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4994 } 4995 4996 if (events->sctp_send_failure_event) { 4997 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4998 } else { 4999 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5000 } 5001 5002 if (events->sctp_peer_error_event) { 5003 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5004 } else { 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5006 } 5007 5008 if (events->sctp_shutdown_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5012 } 5013 5014 if (events->sctp_partial_delivery_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5018 } 5019 5020 if (events->sctp_adaptation_layer_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5024 } 5025 5026 if (events->sctp_authentication_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5030 } 5031 5032 if (events->sctp_sender_dry_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5036 } 5037 5038 if (events->sctp_stream_reset_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5042 } 5043 SCTP_INP_WUNLOCK(inp); 5044 5045 SCTP_INP_RLOCK(inp); 5046 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5047 SCTP_TCB_LOCK(stcb); 5048 if (events->sctp_association_event) { 5049 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5050 } else { 5051 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5052 } 5053 if (events->sctp_address_event) { 5054 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5055 } else { 5056 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5057 } 5058 if (events->sctp_send_failure_event) { 5059 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5060 } else { 5061 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5062 } 5063 if (events->sctp_peer_error_event) { 5064 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5065 } else { 5066 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5067 } 5068 if (events->sctp_shutdown_event) { 5069 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5070 } else { 5071 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5072 } 5073 if (events->sctp_partial_delivery_event) { 5074 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5075 } else { 5076 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5077 } 5078 if (events->sctp_adaptation_layer_event) { 5079 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5080 } else { 5081 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5082 } 5083 if (events->sctp_authentication_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5087 } 5088 if (events->sctp_sender_dry_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5092 } 5093 if (events->sctp_stream_reset_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5097 } 5098 SCTP_TCB_UNLOCK(stcb); 5099 } 5100 /* 5101 * Send up the sender dry event only for 1-to-1 5102 * style sockets. 5103 */ 5104 if (events->sctp_sender_dry_event) { 5105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5107 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5108 if (stcb) { 5109 SCTP_TCB_LOCK(stcb); 5110 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5111 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5112 (stcb->asoc.stream_queue_cnt == 0)) { 5113 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5114 } 5115 SCTP_TCB_UNLOCK(stcb); 5116 } 5117 } 5118 } 5119 SCTP_INP_RUNLOCK(inp); 5120 break; 5121 } 5122 case SCTP_ADAPTATION_LAYER: 5123 { 5124 struct sctp_setadaptation *adap_bits; 5125 5126 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5127 SCTP_INP_WLOCK(inp); 5128 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5129 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5130 SCTP_INP_WUNLOCK(inp); 5131 break; 5132 } 5133 #ifdef SCTP_DEBUG 5134 case SCTP_SET_INITIAL_DBG_SEQ: 5135 { 5136 uint32_t *vvv; 5137 5138 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5139 SCTP_INP_WLOCK(inp); 5140 inp->sctp_ep.initial_sequence_debug = *vvv; 5141 SCTP_INP_WUNLOCK(inp); 5142 break; 5143 } 5144 #endif 5145 case SCTP_DEFAULT_SEND_PARAM: 5146 { 5147 struct sctp_sndrcvinfo *s_info; 5148 5149 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5150 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5151 5152 if (stcb) { 5153 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5154 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5155 } else { 5156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5157 error = EINVAL; 5158 } 5159 SCTP_TCB_UNLOCK(stcb); 5160 } else { 5161 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5162 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5163 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5164 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5165 SCTP_INP_WLOCK(inp); 5166 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5167 SCTP_INP_WUNLOCK(inp); 5168 } 5169 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5170 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5171 SCTP_INP_RLOCK(inp); 5172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5173 SCTP_TCB_LOCK(stcb); 5174 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5175 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5176 } 5177 SCTP_TCB_UNLOCK(stcb); 5178 } 5179 SCTP_INP_RUNLOCK(inp); 5180 } 5181 } 5182 break; 5183 } 5184 case SCTP_PEER_ADDR_PARAMS: 5185 { 5186 struct sctp_paddrparams *paddrp; 5187 struct sctp_nets *net; 5188 struct sockaddr *addr; 5189 #if defined(INET) && defined(INET6) 5190 struct sockaddr_in sin_store; 5191 #endif 5192 5193 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5194 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5195 5196 #if defined(INET) && defined(INET6) 5197 if (paddrp->spp_address.ss_family == AF_INET6) { 5198 struct sockaddr_in6 *sin6; 5199 5200 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5201 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5202 in6_sin6_2_sin(&sin_store, sin6); 5203 addr = (struct sockaddr *)&sin_store; 5204 } else { 5205 addr = (struct sockaddr *)&paddrp->spp_address; 5206 } 5207 } else { 5208 addr = (struct sockaddr *)&paddrp->spp_address; 5209 } 5210 #else 5211 addr = (struct sockaddr *)&paddrp->spp_address; 5212 #endif 5213 if (stcb != NULL) { 5214 net = sctp_findnet(stcb, addr); 5215 } else { 5216 /* 5217 * We increment here since 5218 * sctp_findassociation_ep_addr() wil do a 5219 * decrement if it finds the stcb as long as 5220 * the locked tcb (last argument) is NOT a 5221 * TCB.. aka NULL. 5222 */ 5223 net = NULL; 5224 SCTP_INP_INCR_REF(inp); 5225 stcb = sctp_findassociation_ep_addr(&inp, addr, 5226 &net, NULL, NULL); 5227 if (stcb == NULL) { 5228 SCTP_INP_DECR_REF(inp); 5229 } 5230 } 5231 if ((stcb != NULL) && (net == NULL)) { 5232 #ifdef INET 5233 if (addr->sa_family == AF_INET) { 5234 5235 struct sockaddr_in *sin; 5236 5237 sin = (struct sockaddr_in *)addr; 5238 if (sin->sin_addr.s_addr != INADDR_ANY) { 5239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5240 SCTP_TCB_UNLOCK(stcb); 5241 error = EINVAL; 5242 break; 5243 } 5244 } else 5245 #endif 5246 #ifdef INET6 5247 if (addr->sa_family == AF_INET6) { 5248 struct sockaddr_in6 *sin6; 5249 5250 sin6 = (struct sockaddr_in6 *)addr; 5251 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5253 SCTP_TCB_UNLOCK(stcb); 5254 error = EINVAL; 5255 break; 5256 } 5257 } else 5258 #endif 5259 { 5260 error = EAFNOSUPPORT; 5261 SCTP_TCB_UNLOCK(stcb); 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5263 break; 5264 } 5265 } 5266 /* sanity checks */ 5267 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5268 if (stcb) 5269 SCTP_TCB_UNLOCK(stcb); 5270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5271 return (EINVAL); 5272 } 5273 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5274 if (stcb) 5275 SCTP_TCB_UNLOCK(stcb); 5276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5277 return (EINVAL); 5278 } 5279 if (stcb != NULL) { 5280 /************************TCB SPECIFIC SET ******************/ 5281 if (net != NULL) { 5282 /************************NET SPECIFIC SET ******************/ 5283 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5284 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5285 !(net->dest_state & SCTP_ADDR_NOHB)) { 5286 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5287 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5288 } 5289 net->dest_state |= SCTP_ADDR_NOHB; 5290 } 5291 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5292 if (paddrp->spp_hbinterval) { 5293 net->heart_beat_delay = paddrp->spp_hbinterval; 5294 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5295 net->heart_beat_delay = 0; 5296 } 5297 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5298 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5299 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5300 net->dest_state &= ~SCTP_ADDR_NOHB; 5301 } 5302 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5303 /* on demand HB */ 5304 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5305 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5306 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5307 } 5308 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5309 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5310 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5311 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5312 } 5313 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5314 net->mtu = paddrp->spp_pathmtu; 5315 switch (net->ro._l_addr.sa.sa_family) { 5316 #ifdef INET 5317 case AF_INET: 5318 net->mtu += SCTP_MIN_V4_OVERHEAD; 5319 break; 5320 #endif 5321 #ifdef INET6 5322 case AF_INET6: 5323 net->mtu += SCTP_MIN_OVERHEAD; 5324 break; 5325 #endif 5326 default: 5327 break; 5328 } 5329 if (net->mtu < stcb->asoc.smallest_mtu) { 5330 sctp_pathmtu_adjustment(stcb, net->mtu); 5331 } 5332 } 5333 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5334 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5335 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5336 } 5337 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5338 } 5339 if (paddrp->spp_pathmaxrxt) { 5340 if (net->dest_state & SCTP_ADDR_PF) { 5341 if (net->error_count > paddrp->spp_pathmaxrxt) { 5342 net->dest_state &= ~SCTP_ADDR_PF; 5343 } 5344 } else { 5345 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5346 (net->error_count > net->pf_threshold)) { 5347 net->dest_state |= SCTP_ADDR_PF; 5348 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5349 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5350 stcb->sctp_ep, stcb, net, 5351 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5352 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5353 } 5354 } 5355 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5356 if (net->error_count > paddrp->spp_pathmaxrxt) { 5357 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5358 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5359 } 5360 } else { 5361 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5362 net->dest_state |= SCTP_ADDR_REACHABLE; 5363 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5364 } 5365 } 5366 net->failure_threshold = paddrp->spp_pathmaxrxt; 5367 } 5368 if (paddrp->spp_flags & SPP_DSCP) { 5369 net->dscp = paddrp->spp_dscp & 0xfc; 5370 net->dscp |= 0x01; 5371 } 5372 #ifdef INET6 5373 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5374 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5375 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5376 net->flowlabel |= 0x80000000; 5377 } 5378 } 5379 #endif 5380 } else { 5381 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5382 if (paddrp->spp_pathmaxrxt != 0) { 5383 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5384 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5385 if (net->dest_state & SCTP_ADDR_PF) { 5386 if (net->error_count > paddrp->spp_pathmaxrxt) { 5387 net->dest_state &= ~SCTP_ADDR_PF; 5388 } 5389 } else { 5390 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5391 (net->error_count > net->pf_threshold)) { 5392 net->dest_state |= SCTP_ADDR_PF; 5393 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5394 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5395 stcb->sctp_ep, stcb, net, 5396 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5397 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5398 } 5399 } 5400 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5401 if (net->error_count > paddrp->spp_pathmaxrxt) { 5402 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5403 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5404 } 5405 } else { 5406 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5407 net->dest_state |= SCTP_ADDR_REACHABLE; 5408 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5409 } 5410 } 5411 net->failure_threshold = paddrp->spp_pathmaxrxt; 5412 } 5413 } 5414 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5415 if (paddrp->spp_hbinterval != 0) { 5416 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5417 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5418 stcb->asoc.heart_beat_delay = 0; 5419 } 5420 /* Turn back on the timer */ 5421 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5422 if (paddrp->spp_hbinterval != 0) { 5423 net->heart_beat_delay = paddrp->spp_hbinterval; 5424 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5425 net->heart_beat_delay = 0; 5426 } 5427 if (net->dest_state & SCTP_ADDR_NOHB) { 5428 net->dest_state &= ~SCTP_ADDR_NOHB; 5429 } 5430 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5431 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5432 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5433 } 5434 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5435 } 5436 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5437 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5438 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5439 net->dest_state |= SCTP_ADDR_NOHB; 5440 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5441 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5442 inp, stcb, net, 5443 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5444 } 5445 } 5446 } 5447 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5448 } 5449 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5451 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5452 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5453 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5454 } 5455 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5456 net->mtu = paddrp->spp_pathmtu; 5457 switch (net->ro._l_addr.sa.sa_family) { 5458 #ifdef INET 5459 case AF_INET: 5460 net->mtu += SCTP_MIN_V4_OVERHEAD; 5461 break; 5462 #endif 5463 #ifdef INET6 5464 case AF_INET6: 5465 net->mtu += SCTP_MIN_OVERHEAD; 5466 break; 5467 #endif 5468 default: 5469 break; 5470 } 5471 if (net->mtu < stcb->asoc.smallest_mtu) { 5472 sctp_pathmtu_adjustment(stcb, net->mtu); 5473 } 5474 } 5475 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5476 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5477 } 5478 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5479 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5480 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5481 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5482 } 5483 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5484 } 5485 stcb->asoc.default_mtu = 0; 5486 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5487 } 5488 if (paddrp->spp_flags & SPP_DSCP) { 5489 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5490 net->dscp = paddrp->spp_dscp & 0xfc; 5491 net->dscp |= 0x01; 5492 } 5493 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5494 stcb->asoc.default_dscp |= 0x01; 5495 } 5496 #ifdef INET6 5497 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5498 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5499 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5500 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5501 net->flowlabel |= 0x80000000; 5502 } 5503 } 5504 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5505 stcb->asoc.default_flowlabel |= 0x80000000; 5506 } 5507 #endif 5508 } 5509 SCTP_TCB_UNLOCK(stcb); 5510 } else { 5511 /************************NO TCB, SET TO default stuff ******************/ 5512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5514 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5515 SCTP_INP_WLOCK(inp); 5516 /* 5517 * For the TOS/FLOWLABEL stuff you 5518 * set it with the options on the 5519 * socket 5520 */ 5521 if (paddrp->spp_pathmaxrxt != 0) { 5522 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5523 } 5524 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5525 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5526 else if (paddrp->spp_hbinterval != 0) { 5527 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5528 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5529 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5530 } 5531 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5532 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5533 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5534 } else if (paddrp->spp_hbinterval) { 5535 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5536 } 5537 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5538 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5539 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5540 } 5541 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5542 inp->sctp_ep.default_mtu = 0; 5543 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5544 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5545 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5546 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5547 } 5548 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5549 } 5550 if (paddrp->spp_flags & SPP_DSCP) { 5551 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5552 inp->sctp_ep.default_dscp |= 0x01; 5553 } 5554 #ifdef INET6 5555 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5556 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5557 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5558 inp->sctp_ep.default_flowlabel |= 0x80000000; 5559 } 5560 } 5561 #endif 5562 SCTP_INP_WUNLOCK(inp); 5563 } else { 5564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5565 error = EINVAL; 5566 } 5567 } 5568 break; 5569 } 5570 case SCTP_RTOINFO: 5571 { 5572 struct sctp_rtoinfo *srto; 5573 uint32_t new_init, new_min, new_max; 5574 5575 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5576 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5577 5578 if (stcb) { 5579 if (srto->srto_initial) 5580 new_init = srto->srto_initial; 5581 else 5582 new_init = stcb->asoc.initial_rto; 5583 if (srto->srto_max) 5584 new_max = srto->srto_max; 5585 else 5586 new_max = stcb->asoc.maxrto; 5587 if (srto->srto_min) 5588 new_min = srto->srto_min; 5589 else 5590 new_min = stcb->asoc.minrto; 5591 if ((new_min <= new_init) && (new_init <= new_max)) { 5592 stcb->asoc.initial_rto = new_init; 5593 stcb->asoc.maxrto = new_max; 5594 stcb->asoc.minrto = new_min; 5595 } else { 5596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5597 error = EINVAL; 5598 } 5599 SCTP_TCB_UNLOCK(stcb); 5600 } else { 5601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5603 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5604 SCTP_INP_WLOCK(inp); 5605 if (srto->srto_initial) 5606 new_init = srto->srto_initial; 5607 else 5608 new_init = inp->sctp_ep.initial_rto; 5609 if (srto->srto_max) 5610 new_max = srto->srto_max; 5611 else 5612 new_max = inp->sctp_ep.sctp_maxrto; 5613 if (srto->srto_min) 5614 new_min = srto->srto_min; 5615 else 5616 new_min = inp->sctp_ep.sctp_minrto; 5617 if ((new_min <= new_init) && (new_init <= new_max)) { 5618 inp->sctp_ep.initial_rto = new_init; 5619 inp->sctp_ep.sctp_maxrto = new_max; 5620 inp->sctp_ep.sctp_minrto = new_min; 5621 } else { 5622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5623 error = EINVAL; 5624 } 5625 SCTP_INP_WUNLOCK(inp); 5626 } else { 5627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5628 error = EINVAL; 5629 } 5630 } 5631 break; 5632 } 5633 case SCTP_ASSOCINFO: 5634 { 5635 struct sctp_assocparams *sasoc; 5636 5637 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5638 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5639 if (sasoc->sasoc_cookie_life) { 5640 /* boundary check the cookie life */ 5641 if (sasoc->sasoc_cookie_life < 1000) 5642 sasoc->sasoc_cookie_life = 1000; 5643 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5644 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5645 } 5646 } 5647 if (stcb) { 5648 if (sasoc->sasoc_asocmaxrxt) 5649 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5650 if (sasoc->sasoc_cookie_life) { 5651 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 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 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5658 SCTP_INP_WLOCK(inp); 5659 if (sasoc->sasoc_asocmaxrxt) 5660 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5661 if (sasoc->sasoc_cookie_life) { 5662 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5663 } 5664 SCTP_INP_WUNLOCK(inp); 5665 } else { 5666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5667 error = EINVAL; 5668 } 5669 } 5670 break; 5671 } 5672 case SCTP_INITMSG: 5673 { 5674 struct sctp_initmsg *sinit; 5675 5676 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5677 SCTP_INP_WLOCK(inp); 5678 if (sinit->sinit_num_ostreams) 5679 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5680 5681 if (sinit->sinit_max_instreams) 5682 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5683 5684 if (sinit->sinit_max_attempts) 5685 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5686 5687 if (sinit->sinit_max_init_timeo) 5688 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5689 SCTP_INP_WUNLOCK(inp); 5690 break; 5691 } 5692 case SCTP_PRIMARY_ADDR: 5693 { 5694 struct sctp_setprim *spa; 5695 struct sctp_nets *net; 5696 struct sockaddr *addr; 5697 #if defined(INET) && defined(INET6) 5698 struct sockaddr_in sin_store; 5699 #endif 5700 5701 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5702 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5703 5704 #if defined(INET) && defined(INET6) 5705 if (spa->ssp_addr.ss_family == AF_INET6) { 5706 struct sockaddr_in6 *sin6; 5707 5708 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5709 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5710 in6_sin6_2_sin(&sin_store, sin6); 5711 addr = (struct sockaddr *)&sin_store; 5712 } else { 5713 addr = (struct sockaddr *)&spa->ssp_addr; 5714 } 5715 } else { 5716 addr = (struct sockaddr *)&spa->ssp_addr; 5717 } 5718 #else 5719 addr = (struct sockaddr *)&spa->ssp_addr; 5720 #endif 5721 if (stcb != NULL) { 5722 net = sctp_findnet(stcb, addr); 5723 } else { 5724 /* 5725 * We increment here since 5726 * sctp_findassociation_ep_addr() wil do a 5727 * decrement if it finds the stcb as long as 5728 * the locked tcb (last argument) is NOT a 5729 * TCB.. aka NULL. 5730 */ 5731 net = NULL; 5732 SCTP_INP_INCR_REF(inp); 5733 stcb = sctp_findassociation_ep_addr(&inp, addr, 5734 &net, NULL, NULL); 5735 if (stcb == NULL) { 5736 SCTP_INP_DECR_REF(inp); 5737 } 5738 } 5739 5740 if ((stcb != NULL) && (net != NULL)) { 5741 if (net != stcb->asoc.primary_destination) { 5742 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5743 /* Ok we need to set it */ 5744 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5745 if ((stcb->asoc.alternate) && 5746 (!(net->dest_state & SCTP_ADDR_PF)) && 5747 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5748 sctp_free_remote_addr(stcb->asoc.alternate); 5749 stcb->asoc.alternate = NULL; 5750 } 5751 } else { 5752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5753 error = EINVAL; 5754 } 5755 } else { 5756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5757 error = EINVAL; 5758 } 5759 } 5760 } else { 5761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5762 error = EINVAL; 5763 } 5764 if (stcb != NULL) { 5765 SCTP_TCB_UNLOCK(stcb); 5766 } 5767 break; 5768 } 5769 case SCTP_SET_DYNAMIC_PRIMARY: 5770 { 5771 union sctp_sockstore *ss; 5772 5773 error = priv_check(curthread, 5774 PRIV_NETINET_RESERVEDPORT); 5775 if (error) 5776 break; 5777 5778 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5779 /* SUPER USER CHECK? */ 5780 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5781 break; 5782 } 5783 case SCTP_SET_PEER_PRIMARY_ADDR: 5784 { 5785 struct sctp_setpeerprim *sspp; 5786 struct sockaddr *addr; 5787 #if defined(INET) && defined(INET6) 5788 struct sockaddr_in sin_store; 5789 #endif 5790 5791 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5792 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5793 if (stcb != NULL) { 5794 struct sctp_ifa *ifa; 5795 5796 #if defined(INET) && defined(INET6) 5797 if (sspp->sspp_addr.ss_family == AF_INET6) { 5798 struct sockaddr_in6 *sin6; 5799 5800 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5801 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5802 in6_sin6_2_sin(&sin_store, sin6); 5803 addr = (struct sockaddr *)&sin_store; 5804 } else { 5805 addr = (struct sockaddr *)&sspp->sspp_addr; 5806 } 5807 } else { 5808 addr = (struct sockaddr *)&sspp->sspp_addr; 5809 } 5810 #else 5811 addr = (struct sockaddr *)&sspp->sspp_addr; 5812 #endif 5813 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5814 if (ifa == NULL) { 5815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5816 error = EINVAL; 5817 goto out_of_it; 5818 } 5819 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5820 /* 5821 * Must validate the ifa found is in 5822 * our ep 5823 */ 5824 struct sctp_laddr *laddr; 5825 int found = 0; 5826 5827 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5828 if (laddr->ifa == NULL) { 5829 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5830 __func__); 5831 continue; 5832 } 5833 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5834 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5835 continue; 5836 } 5837 if (laddr->ifa == ifa) { 5838 found = 1; 5839 break; 5840 } 5841 } 5842 if (!found) { 5843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5844 error = EINVAL; 5845 goto out_of_it; 5846 } 5847 } else { 5848 switch (addr->sa_family) { 5849 #ifdef INET 5850 case AF_INET: 5851 { 5852 struct sockaddr_in *sin; 5853 5854 sin = (struct sockaddr_in *)addr; 5855 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5856 &sin->sin_addr) != 0) { 5857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5858 error = EINVAL; 5859 goto out_of_it; 5860 } 5861 break; 5862 } 5863 #endif 5864 #ifdef INET6 5865 case AF_INET6: 5866 { 5867 struct sockaddr_in6 *sin6; 5868 5869 sin6 = (struct sockaddr_in6 *)addr; 5870 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5871 &sin6->sin6_addr) != 0) { 5872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5873 error = EINVAL; 5874 goto out_of_it; 5875 } 5876 break; 5877 } 5878 #endif 5879 default: 5880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5881 error = EINVAL; 5882 goto out_of_it; 5883 } 5884 } 5885 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5887 error = EINVAL; 5888 } 5889 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5890 out_of_it: 5891 SCTP_TCB_UNLOCK(stcb); 5892 } else { 5893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5894 error = EINVAL; 5895 } 5896 break; 5897 } 5898 case SCTP_BINDX_ADD_ADDR: 5899 { 5900 struct sctp_getaddresses *addrs; 5901 struct thread *td; 5902 5903 td = (struct thread *)p; 5904 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5905 optsize); 5906 #ifdef INET 5907 if (addrs->addr->sa_family == AF_INET) { 5908 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5910 error = EINVAL; 5911 break; 5912 } 5913 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5914 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5915 break; 5916 } 5917 } else 5918 #endif 5919 #ifdef INET6 5920 if (addrs->addr->sa_family == AF_INET6) { 5921 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5923 error = EINVAL; 5924 break; 5925 } 5926 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5927 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5928 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5929 break; 5930 } 5931 } else 5932 #endif 5933 { 5934 error = EAFNOSUPPORT; 5935 break; 5936 } 5937 sctp_bindx_add_address(so, inp, addrs->addr, 5938 addrs->sget_assoc_id, vrf_id, 5939 &error, p); 5940 break; 5941 } 5942 case SCTP_BINDX_REM_ADDR: 5943 { 5944 struct sctp_getaddresses *addrs; 5945 struct thread *td; 5946 5947 td = (struct thread *)p; 5948 5949 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5950 #ifdef INET 5951 if (addrs->addr->sa_family == AF_INET) { 5952 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 break; 5956 } 5957 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5958 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5959 break; 5960 } 5961 } else 5962 #endif 5963 #ifdef INET6 5964 if (addrs->addr->sa_family == AF_INET6) { 5965 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5967 error = EINVAL; 5968 break; 5969 } 5970 if (td != NULL && 5971 (error = prison_local_ip6(td->td_ucred, 5972 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5973 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5974 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5975 break; 5976 } 5977 } else 5978 #endif 5979 { 5980 error = EAFNOSUPPORT; 5981 break; 5982 } 5983 sctp_bindx_delete_address(inp, addrs->addr, 5984 addrs->sget_assoc_id, vrf_id, 5985 &error); 5986 break; 5987 } 5988 case SCTP_EVENT: 5989 { 5990 struct sctp_event *event; 5991 uint32_t event_type; 5992 5993 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5994 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5995 switch (event->se_type) { 5996 case SCTP_ASSOC_CHANGE: 5997 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5998 break; 5999 case SCTP_PEER_ADDR_CHANGE: 6000 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6001 break; 6002 case SCTP_REMOTE_ERROR: 6003 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6004 break; 6005 case SCTP_SEND_FAILED: 6006 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6007 break; 6008 case SCTP_SHUTDOWN_EVENT: 6009 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6010 break; 6011 case SCTP_ADAPTATION_INDICATION: 6012 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6013 break; 6014 case SCTP_PARTIAL_DELIVERY_EVENT: 6015 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6016 break; 6017 case SCTP_AUTHENTICATION_EVENT: 6018 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6019 break; 6020 case SCTP_STREAM_RESET_EVENT: 6021 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6022 break; 6023 case SCTP_SENDER_DRY_EVENT: 6024 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6025 break; 6026 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6027 event_type = 0; 6028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6029 error = ENOTSUP; 6030 break; 6031 case SCTP_ASSOC_RESET_EVENT: 6032 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6033 break; 6034 case SCTP_STREAM_CHANGE_EVENT: 6035 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6036 break; 6037 case SCTP_SEND_FAILED_EVENT: 6038 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6039 break; 6040 default: 6041 event_type = 0; 6042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6043 error = EINVAL; 6044 break; 6045 } 6046 if (event_type > 0) { 6047 if (stcb) { 6048 if (event->se_on) { 6049 sctp_stcb_feature_on(inp, stcb, event_type); 6050 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6051 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6052 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6053 (stcb->asoc.stream_queue_cnt == 0)) { 6054 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6055 } 6056 } 6057 } else { 6058 sctp_stcb_feature_off(inp, stcb, event_type); 6059 } 6060 SCTP_TCB_UNLOCK(stcb); 6061 } else { 6062 /* 6063 * We don't want to send up a storm 6064 * of events, so return an error for 6065 * sender dry events 6066 */ 6067 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6068 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6069 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6070 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6071 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6073 error = ENOTSUP; 6074 break; 6075 } 6076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6078 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6079 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6080 SCTP_INP_WLOCK(inp); 6081 if (event->se_on) { 6082 sctp_feature_on(inp, event_type); 6083 } else { 6084 sctp_feature_off(inp, event_type); 6085 } 6086 SCTP_INP_WUNLOCK(inp); 6087 } 6088 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6089 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6090 SCTP_INP_RLOCK(inp); 6091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6092 SCTP_TCB_LOCK(stcb); 6093 if (event->se_on) { 6094 sctp_stcb_feature_on(inp, stcb, event_type); 6095 } else { 6096 sctp_stcb_feature_off(inp, stcb, event_type); 6097 } 6098 SCTP_TCB_UNLOCK(stcb); 6099 } 6100 SCTP_INP_RUNLOCK(inp); 6101 } 6102 } 6103 } 6104 break; 6105 } 6106 case SCTP_RECVRCVINFO: 6107 { 6108 int *onoff; 6109 6110 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6111 SCTP_INP_WLOCK(inp); 6112 if (*onoff != 0) { 6113 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6114 } else { 6115 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6116 } 6117 SCTP_INP_WUNLOCK(inp); 6118 break; 6119 } 6120 case SCTP_RECVNXTINFO: 6121 { 6122 int *onoff; 6123 6124 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6125 SCTP_INP_WLOCK(inp); 6126 if (*onoff != 0) { 6127 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6128 } else { 6129 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6130 } 6131 SCTP_INP_WUNLOCK(inp); 6132 break; 6133 } 6134 case SCTP_DEFAULT_SNDINFO: 6135 { 6136 struct sctp_sndinfo *info; 6137 uint16_t policy; 6138 6139 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6140 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6141 6142 if (stcb) { 6143 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6144 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6145 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6146 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6147 stcb->asoc.def_send.sinfo_flags |= policy; 6148 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6149 stcb->asoc.def_send.sinfo_context = info->snd_context; 6150 } else { 6151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6152 error = EINVAL; 6153 } 6154 SCTP_TCB_UNLOCK(stcb); 6155 } else { 6156 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6157 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6158 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6159 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6160 SCTP_INP_WLOCK(inp); 6161 inp->def_send.sinfo_stream = info->snd_sid; 6162 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6163 inp->def_send.sinfo_flags = info->snd_flags; 6164 inp->def_send.sinfo_flags |= policy; 6165 inp->def_send.sinfo_ppid = info->snd_ppid; 6166 inp->def_send.sinfo_context = info->snd_context; 6167 SCTP_INP_WUNLOCK(inp); 6168 } 6169 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6170 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6171 SCTP_INP_RLOCK(inp); 6172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6173 SCTP_TCB_LOCK(stcb); 6174 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6175 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6176 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6177 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6178 stcb->asoc.def_send.sinfo_flags |= policy; 6179 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6180 stcb->asoc.def_send.sinfo_context = info->snd_context; 6181 } 6182 SCTP_TCB_UNLOCK(stcb); 6183 } 6184 SCTP_INP_RUNLOCK(inp); 6185 } 6186 } 6187 break; 6188 } 6189 case SCTP_DEFAULT_PRINFO: 6190 { 6191 struct sctp_default_prinfo *info; 6192 6193 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6194 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6195 6196 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6198 error = EINVAL; 6199 break; 6200 } 6201 if (stcb) { 6202 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6203 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6204 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6205 SCTP_TCB_UNLOCK(stcb); 6206 } else { 6207 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6208 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6209 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6210 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6211 SCTP_INP_WLOCK(inp); 6212 inp->def_send.sinfo_flags &= 0xfff0; 6213 inp->def_send.sinfo_flags |= info->pr_policy; 6214 inp->def_send.sinfo_timetolive = info->pr_value; 6215 SCTP_INP_WUNLOCK(inp); 6216 } 6217 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6218 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6219 SCTP_INP_RLOCK(inp); 6220 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6221 SCTP_TCB_LOCK(stcb); 6222 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6223 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6224 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6225 SCTP_TCB_UNLOCK(stcb); 6226 } 6227 SCTP_INP_RUNLOCK(inp); 6228 } 6229 } 6230 break; 6231 } 6232 case SCTP_PEER_ADDR_THLDS: 6233 /* Applies to the specific association */ 6234 { 6235 struct sctp_paddrthlds *thlds; 6236 struct sctp_nets *net; 6237 struct sockaddr *addr; 6238 #if defined(INET) && defined(INET6) 6239 struct sockaddr_in sin_store; 6240 #endif 6241 6242 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6243 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6244 6245 #if defined(INET) && defined(INET6) 6246 if (thlds->spt_address.ss_family == AF_INET6) { 6247 struct sockaddr_in6 *sin6; 6248 6249 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6250 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6251 in6_sin6_2_sin(&sin_store, sin6); 6252 addr = (struct sockaddr *)&sin_store; 6253 } else { 6254 addr = (struct sockaddr *)&thlds->spt_address; 6255 } 6256 } else { 6257 addr = (struct sockaddr *)&thlds->spt_address; 6258 } 6259 #else 6260 addr = (struct sockaddr *)&thlds->spt_address; 6261 #endif 6262 if (stcb != NULL) { 6263 net = sctp_findnet(stcb, addr); 6264 } else { 6265 /* 6266 * We increment here since 6267 * sctp_findassociation_ep_addr() wil do a 6268 * decrement if it finds the stcb as long as 6269 * the locked tcb (last argument) is NOT a 6270 * TCB.. aka NULL. 6271 */ 6272 net = NULL; 6273 SCTP_INP_INCR_REF(inp); 6274 stcb = sctp_findassociation_ep_addr(&inp, addr, 6275 &net, NULL, NULL); 6276 if (stcb == NULL) { 6277 SCTP_INP_DECR_REF(inp); 6278 } 6279 } 6280 if ((stcb != NULL) && (net == NULL)) { 6281 #ifdef INET 6282 if (addr->sa_family == AF_INET) { 6283 6284 struct sockaddr_in *sin; 6285 6286 sin = (struct sockaddr_in *)addr; 6287 if (sin->sin_addr.s_addr != INADDR_ANY) { 6288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6289 SCTP_TCB_UNLOCK(stcb); 6290 error = EINVAL; 6291 break; 6292 } 6293 } else 6294 #endif 6295 #ifdef INET6 6296 if (addr->sa_family == AF_INET6) { 6297 struct sockaddr_in6 *sin6; 6298 6299 sin6 = (struct sockaddr_in6 *)addr; 6300 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6302 SCTP_TCB_UNLOCK(stcb); 6303 error = EINVAL; 6304 break; 6305 } 6306 } else 6307 #endif 6308 { 6309 error = EAFNOSUPPORT; 6310 SCTP_TCB_UNLOCK(stcb); 6311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6312 break; 6313 } 6314 } 6315 if (thlds->spt_pathcpthld != 0xffff) { 6316 error = EINVAL; 6317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6318 break; 6319 } 6320 if (stcb != NULL) { 6321 if (net != NULL) { 6322 net->failure_threshold = thlds->spt_pathmaxrxt; 6323 net->pf_threshold = thlds->spt_pathpfthld; 6324 if (net->dest_state & SCTP_ADDR_PF) { 6325 if ((net->error_count > net->failure_threshold) || 6326 (net->error_count <= net->pf_threshold)) { 6327 net->dest_state &= ~SCTP_ADDR_PF; 6328 } 6329 } else { 6330 if ((net->error_count > net->pf_threshold) && 6331 (net->error_count <= net->failure_threshold)) { 6332 net->dest_state |= SCTP_ADDR_PF; 6333 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6334 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6335 stcb->sctp_ep, stcb, net, 6336 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6337 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6338 } 6339 } 6340 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6341 if (net->error_count > net->failure_threshold) { 6342 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6343 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6344 } 6345 } else { 6346 if (net->error_count <= net->failure_threshold) { 6347 net->dest_state |= SCTP_ADDR_REACHABLE; 6348 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6349 } 6350 } 6351 } else { 6352 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6353 net->failure_threshold = thlds->spt_pathmaxrxt; 6354 net->pf_threshold = thlds->spt_pathpfthld; 6355 if (net->dest_state & SCTP_ADDR_PF) { 6356 if ((net->error_count > net->failure_threshold) || 6357 (net->error_count <= net->pf_threshold)) { 6358 net->dest_state &= ~SCTP_ADDR_PF; 6359 } 6360 } else { 6361 if ((net->error_count > net->pf_threshold) && 6362 (net->error_count <= net->failure_threshold)) { 6363 net->dest_state |= SCTP_ADDR_PF; 6364 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6365 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6366 stcb->sctp_ep, stcb, net, 6367 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6368 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6369 } 6370 } 6371 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6372 if (net->error_count > net->failure_threshold) { 6373 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6374 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6375 } 6376 } else { 6377 if (net->error_count <= net->failure_threshold) { 6378 net->dest_state |= SCTP_ADDR_REACHABLE; 6379 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6380 } 6381 } 6382 } 6383 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6384 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6385 } 6386 SCTP_TCB_UNLOCK(stcb); 6387 } else { 6388 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6389 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6390 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6391 SCTP_INP_WLOCK(inp); 6392 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6393 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6394 SCTP_INP_WUNLOCK(inp); 6395 } else { 6396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6397 error = EINVAL; 6398 } 6399 } 6400 break; 6401 } 6402 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6403 { 6404 struct sctp_udpencaps *encaps; 6405 struct sctp_nets *net; 6406 struct sockaddr *addr; 6407 #if defined(INET) && defined(INET6) 6408 struct sockaddr_in sin_store; 6409 #endif 6410 6411 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6412 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6413 6414 #if defined(INET) && defined(INET6) 6415 if (encaps->sue_address.ss_family == AF_INET6) { 6416 struct sockaddr_in6 *sin6; 6417 6418 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6419 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6420 in6_sin6_2_sin(&sin_store, sin6); 6421 addr = (struct sockaddr *)&sin_store; 6422 } else { 6423 addr = (struct sockaddr *)&encaps->sue_address; 6424 } 6425 } else { 6426 addr = (struct sockaddr *)&encaps->sue_address; 6427 } 6428 #else 6429 addr = (struct sockaddr *)&encaps->sue_address; 6430 #endif 6431 if (stcb != NULL) { 6432 net = sctp_findnet(stcb, addr); 6433 } else { 6434 /* 6435 * We increment here since 6436 * sctp_findassociation_ep_addr() wil do a 6437 * decrement if it finds the stcb as long as 6438 * the locked tcb (last argument) is NOT a 6439 * TCB.. aka NULL. 6440 */ 6441 net = NULL; 6442 SCTP_INP_INCR_REF(inp); 6443 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6444 if (stcb == NULL) { 6445 SCTP_INP_DECR_REF(inp); 6446 } 6447 } 6448 if ((stcb != NULL) && (net == NULL)) { 6449 #ifdef INET 6450 if (addr->sa_family == AF_INET) { 6451 6452 struct sockaddr_in *sin; 6453 6454 sin = (struct sockaddr_in *)addr; 6455 if (sin->sin_addr.s_addr != INADDR_ANY) { 6456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6457 SCTP_TCB_UNLOCK(stcb); 6458 error = EINVAL; 6459 break; 6460 } 6461 } else 6462 #endif 6463 #ifdef INET6 6464 if (addr->sa_family == AF_INET6) { 6465 struct sockaddr_in6 *sin6; 6466 6467 sin6 = (struct sockaddr_in6 *)addr; 6468 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6470 SCTP_TCB_UNLOCK(stcb); 6471 error = EINVAL; 6472 break; 6473 } 6474 } else 6475 #endif 6476 { 6477 error = EAFNOSUPPORT; 6478 SCTP_TCB_UNLOCK(stcb); 6479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6480 break; 6481 } 6482 } 6483 if (stcb != NULL) { 6484 if (net != NULL) { 6485 net->port = encaps->sue_port; 6486 } else { 6487 stcb->asoc.port = encaps->sue_port; 6488 } 6489 SCTP_TCB_UNLOCK(stcb); 6490 } else { 6491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6493 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6494 SCTP_INP_WLOCK(inp); 6495 inp->sctp_ep.port = encaps->sue_port; 6496 SCTP_INP_WUNLOCK(inp); 6497 } else { 6498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6499 error = EINVAL; 6500 } 6501 } 6502 break; 6503 } 6504 case SCTP_ECN_SUPPORTED: 6505 { 6506 struct sctp_assoc_value *av; 6507 6508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6510 6511 if (stcb) { 6512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6513 error = EINVAL; 6514 SCTP_TCB_UNLOCK(stcb); 6515 } else { 6516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6517 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6518 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6519 SCTP_INP_WLOCK(inp); 6520 if (av->assoc_value == 0) { 6521 inp->ecn_supported = 0; 6522 } else { 6523 inp->ecn_supported = 1; 6524 } 6525 SCTP_INP_WUNLOCK(inp); 6526 } else { 6527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6528 error = EINVAL; 6529 } 6530 } 6531 break; 6532 } 6533 case SCTP_PR_SUPPORTED: 6534 { 6535 struct sctp_assoc_value *av; 6536 6537 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6538 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6539 6540 if (stcb) { 6541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6542 error = EINVAL; 6543 SCTP_TCB_UNLOCK(stcb); 6544 } else { 6545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6547 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6548 SCTP_INP_WLOCK(inp); 6549 if (av->assoc_value == 0) { 6550 inp->prsctp_supported = 0; 6551 } else { 6552 inp->prsctp_supported = 1; 6553 } 6554 SCTP_INP_WUNLOCK(inp); 6555 } else { 6556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6557 error = EINVAL; 6558 } 6559 } 6560 break; 6561 } 6562 case SCTP_AUTH_SUPPORTED: 6563 { 6564 struct sctp_assoc_value *av; 6565 6566 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6567 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6568 6569 if (stcb) { 6570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6571 error = EINVAL; 6572 SCTP_TCB_UNLOCK(stcb); 6573 } else { 6574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6576 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6577 if ((av->assoc_value == 0) && 6578 (inp->asconf_supported == 1)) { 6579 /* 6580 * AUTH is required for 6581 * ASCONF 6582 */ 6583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6584 error = EINVAL; 6585 } else { 6586 SCTP_INP_WLOCK(inp); 6587 if (av->assoc_value == 0) { 6588 inp->auth_supported = 0; 6589 } else { 6590 inp->auth_supported = 1; 6591 } 6592 SCTP_INP_WUNLOCK(inp); 6593 } 6594 } else { 6595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6596 error = EINVAL; 6597 } 6598 } 6599 break; 6600 } 6601 case SCTP_ASCONF_SUPPORTED: 6602 { 6603 struct sctp_assoc_value *av; 6604 6605 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6606 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6607 6608 if (stcb) { 6609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6610 error = EINVAL; 6611 SCTP_TCB_UNLOCK(stcb); 6612 } else { 6613 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6614 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6615 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6616 if ((av->assoc_value != 0) && 6617 (inp->auth_supported == 0)) { 6618 /* 6619 * AUTH is required for 6620 * ASCONF 6621 */ 6622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6623 error = EINVAL; 6624 } else { 6625 SCTP_INP_WLOCK(inp); 6626 if (av->assoc_value == 0) { 6627 inp->asconf_supported = 0; 6628 sctp_auth_delete_chunk(SCTP_ASCONF, 6629 inp->sctp_ep.local_auth_chunks); 6630 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6631 inp->sctp_ep.local_auth_chunks); 6632 } else { 6633 inp->asconf_supported = 1; 6634 sctp_auth_add_chunk(SCTP_ASCONF, 6635 inp->sctp_ep.local_auth_chunks); 6636 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6637 inp->sctp_ep.local_auth_chunks); 6638 } 6639 SCTP_INP_WUNLOCK(inp); 6640 } 6641 } else { 6642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6643 error = EINVAL; 6644 } 6645 } 6646 break; 6647 } 6648 case SCTP_RECONFIG_SUPPORTED: 6649 { 6650 struct sctp_assoc_value *av; 6651 6652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6653 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6654 6655 if (stcb) { 6656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6657 error = EINVAL; 6658 SCTP_TCB_UNLOCK(stcb); 6659 } else { 6660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6662 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6663 SCTP_INP_WLOCK(inp); 6664 if (av->assoc_value == 0) { 6665 inp->reconfig_supported = 0; 6666 } else { 6667 inp->reconfig_supported = 1; 6668 } 6669 SCTP_INP_WUNLOCK(inp); 6670 } else { 6671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6672 error = EINVAL; 6673 } 6674 } 6675 break; 6676 } 6677 case SCTP_NRSACK_SUPPORTED: 6678 { 6679 struct sctp_assoc_value *av; 6680 6681 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6682 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6683 6684 if (stcb) { 6685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6686 error = EINVAL; 6687 SCTP_TCB_UNLOCK(stcb); 6688 } else { 6689 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6690 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6691 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6692 SCTP_INP_WLOCK(inp); 6693 if (av->assoc_value == 0) { 6694 inp->nrsack_supported = 0; 6695 } else { 6696 inp->nrsack_supported = 1; 6697 } 6698 SCTP_INP_WUNLOCK(inp); 6699 } else { 6700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6701 error = EINVAL; 6702 } 6703 } 6704 break; 6705 } 6706 case SCTP_PKTDROP_SUPPORTED: 6707 { 6708 struct sctp_assoc_value *av; 6709 6710 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6711 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6712 6713 if (stcb) { 6714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6715 error = EINVAL; 6716 SCTP_TCB_UNLOCK(stcb); 6717 } else { 6718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6720 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6721 SCTP_INP_WLOCK(inp); 6722 if (av->assoc_value == 0) { 6723 inp->pktdrop_supported = 0; 6724 } else { 6725 inp->pktdrop_supported = 1; 6726 } 6727 SCTP_INP_WUNLOCK(inp); 6728 } else { 6729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6730 error = EINVAL; 6731 } 6732 } 6733 break; 6734 } 6735 case SCTP_MAX_CWND: 6736 { 6737 struct sctp_assoc_value *av; 6738 struct sctp_nets *net; 6739 6740 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6741 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6742 6743 if (stcb) { 6744 stcb->asoc.max_cwnd = av->assoc_value; 6745 if (stcb->asoc.max_cwnd > 0) { 6746 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6747 if ((net->cwnd > stcb->asoc.max_cwnd) && 6748 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6749 net->cwnd = stcb->asoc.max_cwnd; 6750 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6751 net->cwnd = net->mtu - sizeof(struct sctphdr); 6752 } 6753 } 6754 } 6755 } 6756 SCTP_TCB_UNLOCK(stcb); 6757 } else { 6758 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6759 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6760 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6761 SCTP_INP_WLOCK(inp); 6762 inp->max_cwnd = av->assoc_value; 6763 SCTP_INP_WUNLOCK(inp); 6764 } else { 6765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6766 error = EINVAL; 6767 } 6768 } 6769 break; 6770 } 6771 default: 6772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6773 error = ENOPROTOOPT; 6774 break; 6775 } /* end switch (opt) */ 6776 return (error); 6777 } 6778 6779 int 6780 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6781 { 6782 void *optval = NULL; 6783 size_t optsize = 0; 6784 void *p; 6785 int error = 0; 6786 struct sctp_inpcb *inp; 6787 6788 if ((sopt->sopt_level == SOL_SOCKET) && 6789 (sopt->sopt_name == SO_SETFIB)) { 6790 inp = (struct sctp_inpcb *)so->so_pcb; 6791 if (inp == NULL) { 6792 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6793 return (EINVAL); 6794 } 6795 SCTP_INP_WLOCK(inp); 6796 inp->fibnum = so->so_fibnum; 6797 SCTP_INP_WUNLOCK(inp); 6798 return (0); 6799 } 6800 if (sopt->sopt_level != IPPROTO_SCTP) { 6801 /* wrong proto level... send back up to IP */ 6802 #ifdef INET6 6803 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6804 error = ip6_ctloutput(so, sopt); 6805 #endif /* INET6 */ 6806 #if defined(INET) && defined(INET6) 6807 else 6808 #endif 6809 #ifdef INET 6810 error = ip_ctloutput(so, sopt); 6811 #endif 6812 return (error); 6813 } 6814 optsize = sopt->sopt_valsize; 6815 if (optsize) { 6816 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6817 if (optval == NULL) { 6818 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6819 return (ENOBUFS); 6820 } 6821 error = sooptcopyin(sopt, optval, optsize, optsize); 6822 if (error) { 6823 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6824 goto out; 6825 } 6826 } 6827 p = (void *)sopt->sopt_td; 6828 if (sopt->sopt_dir == SOPT_SET) { 6829 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6830 } else if (sopt->sopt_dir == SOPT_GET) { 6831 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6832 } else { 6833 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6834 error = EINVAL; 6835 } 6836 if ((error == 0) && (optval != NULL)) { 6837 error = sooptcopyout(sopt, optval, optsize); 6838 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6839 } else if (optval != NULL) { 6840 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6841 } 6842 out: 6843 return (error); 6844 } 6845 6846 #ifdef INET 6847 static int 6848 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6849 { 6850 int error = 0; 6851 int create_lock_on = 0; 6852 uint32_t vrf_id; 6853 struct sctp_inpcb *inp; 6854 struct sctp_tcb *stcb = NULL; 6855 6856 inp = (struct sctp_inpcb *)so->so_pcb; 6857 if (inp == NULL) { 6858 /* I made the same as TCP since we are not setup? */ 6859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6860 return (ECONNRESET); 6861 } 6862 if (addr == NULL) { 6863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6864 return EINVAL; 6865 } 6866 switch (addr->sa_family) { 6867 #ifdef INET6 6868 case AF_INET6: 6869 { 6870 struct sockaddr_in6 *sin6p; 6871 6872 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6874 return (EINVAL); 6875 } 6876 sin6p = (struct sockaddr_in6 *)addr; 6877 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6879 return (error); 6880 } 6881 break; 6882 } 6883 #endif 6884 #ifdef INET 6885 case AF_INET: 6886 { 6887 struct sockaddr_in *sinp; 6888 6889 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6891 return (EINVAL); 6892 } 6893 sinp = (struct sockaddr_in *)addr; 6894 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6896 return (error); 6897 } 6898 break; 6899 } 6900 #endif 6901 default: 6902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6903 return (EAFNOSUPPORT); 6904 } 6905 SCTP_INP_INCR_REF(inp); 6906 SCTP_ASOC_CREATE_LOCK(inp); 6907 create_lock_on = 1; 6908 6909 6910 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6911 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6912 /* Should I really unlock ? */ 6913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6914 error = EFAULT; 6915 goto out_now; 6916 } 6917 #ifdef INET6 6918 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6919 (addr->sa_family == AF_INET6)) { 6920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6921 error = EINVAL; 6922 goto out_now; 6923 } 6924 #endif 6925 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6926 SCTP_PCB_FLAGS_UNBOUND) { 6927 /* Bind a ephemeral port */ 6928 error = sctp_inpcb_bind(so, NULL, NULL, p); 6929 if (error) { 6930 goto out_now; 6931 } 6932 } 6933 /* Now do we connect? */ 6934 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6935 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6937 error = EINVAL; 6938 goto out_now; 6939 } 6940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6941 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6942 /* We are already connected AND the TCP model */ 6943 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6944 error = EADDRINUSE; 6945 goto out_now; 6946 } 6947 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6948 SCTP_INP_RLOCK(inp); 6949 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6950 SCTP_INP_RUNLOCK(inp); 6951 } else { 6952 /* 6953 * We increment here since sctp_findassociation_ep_addr() 6954 * will do a decrement if it finds the stcb as long as the 6955 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6956 */ 6957 SCTP_INP_INCR_REF(inp); 6958 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6959 if (stcb == NULL) { 6960 SCTP_INP_DECR_REF(inp); 6961 } else { 6962 SCTP_TCB_UNLOCK(stcb); 6963 } 6964 } 6965 if (stcb != NULL) { 6966 /* Already have or am bring up an association */ 6967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6968 error = EALREADY; 6969 goto out_now; 6970 } 6971 vrf_id = inp->def_vrf_id; 6972 /* We are GOOD to go */ 6973 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6974 inp->sctp_ep.pre_open_stream_count, 6975 inp->sctp_ep.port, p); 6976 if (stcb == NULL) { 6977 /* Gak! no memory */ 6978 goto out_now; 6979 } 6980 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6981 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6982 /* Set the connected flag so we can queue data */ 6983 soisconnecting(so); 6984 } 6985 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6986 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6987 6988 /* initialize authentication parameters for the assoc */ 6989 sctp_initialize_auth_params(inp, stcb); 6990 6991 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6992 SCTP_TCB_UNLOCK(stcb); 6993 out_now: 6994 if (create_lock_on) { 6995 SCTP_ASOC_CREATE_UNLOCK(inp); 6996 } 6997 SCTP_INP_DECR_REF(inp); 6998 return (error); 6999 } 7000 #endif 7001 7002 int 7003 sctp_listen(struct socket *so, int backlog, struct thread *p) 7004 { 7005 /* 7006 * Note this module depends on the protocol processing being called 7007 * AFTER any socket level flags and backlog are applied to the 7008 * socket. The traditional way that the socket flags are applied is 7009 * AFTER protocol processing. We have made a change to the 7010 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7011 * place if the socket API for SCTP is to work properly. 7012 */ 7013 7014 int error = 0; 7015 struct sctp_inpcb *inp; 7016 7017 inp = (struct sctp_inpcb *)so->so_pcb; 7018 if (inp == NULL) { 7019 /* I made the same as TCP since we are not setup? */ 7020 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7021 return (ECONNRESET); 7022 } 7023 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7024 /* See if we have a listener */ 7025 struct sctp_inpcb *tinp; 7026 union sctp_sockstore store; 7027 7028 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7029 /* not bound all */ 7030 struct sctp_laddr *laddr; 7031 7032 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7033 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7034 switch (store.sa.sa_family) { 7035 #ifdef INET 7036 case AF_INET: 7037 store.sin.sin_port = inp->sctp_lport; 7038 break; 7039 #endif 7040 #ifdef INET6 7041 case AF_INET6: 7042 store.sin6.sin6_port = inp->sctp_lport; 7043 break; 7044 #endif 7045 default: 7046 break; 7047 } 7048 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7049 if (tinp && (tinp != inp) && 7050 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7051 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7052 (SCTP_IS_LISTENING(tinp))) { 7053 /* 7054 * we have a listener already and 7055 * its not this inp. 7056 */ 7057 SCTP_INP_DECR_REF(tinp); 7058 return (EADDRINUSE); 7059 } else if (tinp) { 7060 SCTP_INP_DECR_REF(tinp); 7061 } 7062 } 7063 } else { 7064 /* Setup a local addr bound all */ 7065 memset(&store, 0, sizeof(store)); 7066 #ifdef INET6 7067 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7068 store.sa.sa_family = AF_INET6; 7069 store.sa.sa_len = sizeof(struct sockaddr_in6); 7070 } 7071 #endif 7072 #ifdef INET 7073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7074 store.sa.sa_family = AF_INET; 7075 store.sa.sa_len = sizeof(struct sockaddr_in); 7076 } 7077 #endif 7078 switch (store.sa.sa_family) { 7079 #ifdef INET 7080 case AF_INET: 7081 store.sin.sin_port = inp->sctp_lport; 7082 break; 7083 #endif 7084 #ifdef INET6 7085 case AF_INET6: 7086 store.sin6.sin6_port = inp->sctp_lport; 7087 break; 7088 #endif 7089 default: 7090 break; 7091 } 7092 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7093 if (tinp && (tinp != inp) && 7094 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7095 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7096 (SCTP_IS_LISTENING(tinp))) { 7097 /* 7098 * we have a listener already and its not 7099 * this inp. 7100 */ 7101 SCTP_INP_DECR_REF(tinp); 7102 return (EADDRINUSE); 7103 } else if (tinp) { 7104 SCTP_INP_DECR_REF(tinp); 7105 } 7106 } 7107 } 7108 SCTP_INP_RLOCK(inp); 7109 #ifdef SCTP_LOCK_LOGGING 7110 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7111 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7112 } 7113 #endif 7114 SOCK_LOCK(so); 7115 error = solisten_proto_check(so); 7116 SOCK_UNLOCK(so); 7117 if (error) { 7118 SCTP_INP_RUNLOCK(inp); 7119 return (error); 7120 } 7121 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7122 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7123 /* 7124 * The unlucky case - We are in the tcp pool with this guy. 7125 * - Someone else is in the main inp slot. - We must move 7126 * this guy (the listener) to the main slot - We must then 7127 * move the guy that was listener to the TCP Pool. 7128 */ 7129 if (sctp_swap_inpcb_for_listen(inp)) { 7130 SCTP_INP_RUNLOCK(inp); 7131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7132 return (EADDRINUSE); 7133 } 7134 } 7135 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7136 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7137 /* We are already connected AND the TCP model */ 7138 SCTP_INP_RUNLOCK(inp); 7139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7140 return (EADDRINUSE); 7141 } 7142 SCTP_INP_RUNLOCK(inp); 7143 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7144 /* We must do a bind. */ 7145 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7146 /* bind error, probably perm */ 7147 return (error); 7148 } 7149 } 7150 SCTP_INP_WLOCK(inp); 7151 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7152 SOCK_LOCK(so); 7153 solisten_proto(so, backlog); 7154 SOCK_UNLOCK(so); 7155 } 7156 if (backlog > 0) { 7157 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7158 } else { 7159 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7160 } 7161 SCTP_INP_WUNLOCK(inp); 7162 return (error); 7163 } 7164 7165 static int sctp_defered_wakeup_cnt = 0; 7166 7167 int 7168 sctp_accept(struct socket *so, struct sockaddr **addr) 7169 { 7170 struct sctp_tcb *stcb; 7171 struct sctp_inpcb *inp; 7172 union sctp_sockstore store; 7173 #ifdef INET6 7174 int error; 7175 #endif 7176 inp = (struct sctp_inpcb *)so->so_pcb; 7177 7178 if (inp == NULL) { 7179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7180 return (ECONNRESET); 7181 } 7182 SCTP_INP_RLOCK(inp); 7183 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7184 SCTP_INP_RUNLOCK(inp); 7185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7186 return (EOPNOTSUPP); 7187 } 7188 if (so->so_state & SS_ISDISCONNECTED) { 7189 SCTP_INP_RUNLOCK(inp); 7190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7191 return (ECONNABORTED); 7192 } 7193 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7194 if (stcb == NULL) { 7195 SCTP_INP_RUNLOCK(inp); 7196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7197 return (ECONNRESET); 7198 } 7199 SCTP_TCB_LOCK(stcb); 7200 SCTP_INP_RUNLOCK(inp); 7201 store = stcb->asoc.primary_destination->ro._l_addr; 7202 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7203 SCTP_TCB_UNLOCK(stcb); 7204 switch (store.sa.sa_family) { 7205 #ifdef INET 7206 case AF_INET: 7207 { 7208 struct sockaddr_in *sin; 7209 7210 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7211 if (sin == NULL) 7212 return (ENOMEM); 7213 sin->sin_family = AF_INET; 7214 sin->sin_len = sizeof(*sin); 7215 sin->sin_port = store.sin.sin_port; 7216 sin->sin_addr = store.sin.sin_addr; 7217 *addr = (struct sockaddr *)sin; 7218 break; 7219 } 7220 #endif 7221 #ifdef INET6 7222 case AF_INET6: 7223 { 7224 struct sockaddr_in6 *sin6; 7225 7226 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7227 if (sin6 == NULL) 7228 return (ENOMEM); 7229 sin6->sin6_family = AF_INET6; 7230 sin6->sin6_len = sizeof(*sin6); 7231 sin6->sin6_port = store.sin6.sin6_port; 7232 sin6->sin6_addr = store.sin6.sin6_addr; 7233 if ((error = sa6_recoverscope(sin6)) != 0) { 7234 SCTP_FREE_SONAME(sin6); 7235 return (error); 7236 } 7237 *addr = (struct sockaddr *)sin6; 7238 break; 7239 } 7240 #endif 7241 default: 7242 /* TSNH */ 7243 break; 7244 } 7245 /* Wake any delayed sleep action */ 7246 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7247 SCTP_INP_WLOCK(inp); 7248 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7249 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7250 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7251 SCTP_INP_WUNLOCK(inp); 7252 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7253 if (sowriteable(inp->sctp_socket)) { 7254 sowwakeup_locked(inp->sctp_socket); 7255 } else { 7256 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7257 } 7258 SCTP_INP_WLOCK(inp); 7259 } 7260 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7261 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7262 SCTP_INP_WUNLOCK(inp); 7263 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7264 if (soreadable(inp->sctp_socket)) { 7265 sctp_defered_wakeup_cnt++; 7266 sorwakeup_locked(inp->sctp_socket); 7267 } else { 7268 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7269 } 7270 SCTP_INP_WLOCK(inp); 7271 } 7272 SCTP_INP_WUNLOCK(inp); 7273 } 7274 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7275 SCTP_TCB_LOCK(stcb); 7276 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7277 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7278 } 7279 return (0); 7280 } 7281 7282 #ifdef INET 7283 int 7284 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7285 { 7286 struct sockaddr_in *sin; 7287 uint32_t vrf_id; 7288 struct sctp_inpcb *inp; 7289 struct sctp_ifa *sctp_ifa; 7290 7291 /* 7292 * Do the malloc first in case it blocks. 7293 */ 7294 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7295 if (sin == NULL) 7296 return (ENOMEM); 7297 sin->sin_family = AF_INET; 7298 sin->sin_len = sizeof(*sin); 7299 inp = (struct sctp_inpcb *)so->so_pcb; 7300 if (!inp) { 7301 SCTP_FREE_SONAME(sin); 7302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7303 return (ECONNRESET); 7304 } 7305 SCTP_INP_RLOCK(inp); 7306 sin->sin_port = inp->sctp_lport; 7307 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7308 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7309 struct sctp_tcb *stcb; 7310 struct sockaddr_in *sin_a; 7311 struct sctp_nets *net; 7312 int fnd; 7313 7314 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7315 if (stcb == NULL) { 7316 goto notConn; 7317 } 7318 fnd = 0; 7319 sin_a = NULL; 7320 SCTP_TCB_LOCK(stcb); 7321 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7322 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7323 if (sin_a == NULL) 7324 /* this will make coverity happy */ 7325 continue; 7326 7327 if (sin_a->sin_family == AF_INET) { 7328 fnd = 1; 7329 break; 7330 } 7331 } 7332 if ((!fnd) || (sin_a == NULL)) { 7333 /* punt */ 7334 SCTP_TCB_UNLOCK(stcb); 7335 goto notConn; 7336 } 7337 vrf_id = inp->def_vrf_id; 7338 sctp_ifa = sctp_source_address_selection(inp, 7339 stcb, 7340 (sctp_route_t *)&net->ro, 7341 net, 0, vrf_id); 7342 if (sctp_ifa) { 7343 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7344 sctp_free_ifa(sctp_ifa); 7345 } 7346 SCTP_TCB_UNLOCK(stcb); 7347 } else { 7348 /* For the bound all case you get back 0 */ 7349 notConn: 7350 sin->sin_addr.s_addr = 0; 7351 } 7352 7353 } else { 7354 /* Take the first IPv4 address in the list */ 7355 struct sctp_laddr *laddr; 7356 int fnd = 0; 7357 7358 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7359 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7360 struct sockaddr_in *sin_a; 7361 7362 sin_a = &laddr->ifa->address.sin; 7363 sin->sin_addr = sin_a->sin_addr; 7364 fnd = 1; 7365 break; 7366 } 7367 } 7368 if (!fnd) { 7369 SCTP_FREE_SONAME(sin); 7370 SCTP_INP_RUNLOCK(inp); 7371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7372 return (ENOENT); 7373 } 7374 } 7375 SCTP_INP_RUNLOCK(inp); 7376 (*addr) = (struct sockaddr *)sin; 7377 return (0); 7378 } 7379 7380 int 7381 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7382 { 7383 struct sockaddr_in *sin; 7384 int fnd; 7385 struct sockaddr_in *sin_a; 7386 struct sctp_inpcb *inp; 7387 struct sctp_tcb *stcb; 7388 struct sctp_nets *net; 7389 7390 /* Do the malloc first in case it blocks. */ 7391 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7392 if (sin == NULL) 7393 return (ENOMEM); 7394 sin->sin_family = AF_INET; 7395 sin->sin_len = sizeof(*sin); 7396 7397 inp = (struct sctp_inpcb *)so->so_pcb; 7398 if ((inp == NULL) || 7399 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7400 /* UDP type and listeners will drop out here */ 7401 SCTP_FREE_SONAME(sin); 7402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7403 return (ENOTCONN); 7404 } 7405 SCTP_INP_RLOCK(inp); 7406 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7407 if (stcb) { 7408 SCTP_TCB_LOCK(stcb); 7409 } 7410 SCTP_INP_RUNLOCK(inp); 7411 if (stcb == NULL) { 7412 SCTP_FREE_SONAME(sin); 7413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7414 return (ECONNRESET); 7415 } 7416 fnd = 0; 7417 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7418 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7419 if (sin_a->sin_family == AF_INET) { 7420 fnd = 1; 7421 sin->sin_port = stcb->rport; 7422 sin->sin_addr = sin_a->sin_addr; 7423 break; 7424 } 7425 } 7426 SCTP_TCB_UNLOCK(stcb); 7427 if (!fnd) { 7428 /* No IPv4 address */ 7429 SCTP_FREE_SONAME(sin); 7430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7431 return (ENOENT); 7432 } 7433 (*addr) = (struct sockaddr *)sin; 7434 return (0); 7435 } 7436 7437 struct pr_usrreqs sctp_usrreqs = { 7438 .pru_abort = sctp_abort, 7439 .pru_accept = sctp_accept, 7440 .pru_attach = sctp_attach, 7441 .pru_bind = sctp_bind, 7442 .pru_connect = sctp_connect, 7443 .pru_control = in_control, 7444 .pru_close = sctp_close, 7445 .pru_detach = sctp_close, 7446 .pru_sopoll = sopoll_generic, 7447 .pru_flush = sctp_flush, 7448 .pru_disconnect = sctp_disconnect, 7449 .pru_listen = sctp_listen, 7450 .pru_peeraddr = sctp_peeraddr, 7451 .pru_send = sctp_sendm, 7452 .pru_shutdown = sctp_shutdown, 7453 .pru_sockaddr = sctp_ingetaddr, 7454 .pru_sosend = sctp_sosend, 7455 .pru_soreceive = sctp_soreceive 7456 }; 7457 #endif 7458