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 } 392 393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 394 error = ENOENT; 395 goto out; 396 } 397 SCTP_TCB_UNLOCK(stcb); 398 /* 399 * We use the write lock here, only since in the error leg we need 400 * it. If we used RLOCK, then we would have to 401 * wlock/decr/unlock/rlock. Which in theory could create a hole. 402 * Better to use higher wlock. 403 */ 404 SCTP_INP_WLOCK(inp); 405 cred_can_cont: 406 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 407 if (error) { 408 SCTP_INP_WUNLOCK(inp); 409 goto out; 410 } 411 cru2x(inp->sctp_socket->so_cred, &xuc); 412 SCTP_INP_WUNLOCK(inp); 413 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 414 out: 415 return (error); 416 } 417 418 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 419 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 420 421 422 #ifdef INET 423 static void 424 sctp_abort(struct socket *so) 425 { 426 struct sctp_inpcb *inp; 427 uint32_t flags; 428 429 inp = (struct sctp_inpcb *)so->so_pcb; 430 if (inp == NULL) { 431 return; 432 } 433 434 sctp_must_try_again: 435 flags = inp->sctp_flags; 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 17); 438 #endif 439 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 440 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 441 #ifdef SCTP_LOG_CLOSING 442 sctp_log_closing(inp, NULL, 16); 443 #endif 444 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 445 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 446 SOCK_LOCK(so); 447 SCTP_SB_CLEAR(so->so_snd); 448 /* 449 * same for the rcv ones, they are only here for the 450 * accounting/select. 451 */ 452 SCTP_SB_CLEAR(so->so_rcv); 453 454 /* Now null out the reference, we are completely detached. */ 455 so->so_pcb = NULL; 456 SOCK_UNLOCK(so); 457 } else { 458 flags = inp->sctp_flags; 459 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 460 goto sctp_must_try_again; 461 } 462 } 463 return; 464 } 465 466 static int 467 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 468 { 469 struct sctp_inpcb *inp; 470 struct inpcb *ip_inp; 471 int error; 472 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 473 474 inp = (struct sctp_inpcb *)so->so_pcb; 475 if (inp != NULL) { 476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 477 return (EINVAL); 478 } 479 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 480 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 481 if (error) { 482 return (error); 483 } 484 } 485 error = sctp_inpcb_alloc(so, vrf_id); 486 if (error) { 487 return (error); 488 } 489 inp = (struct sctp_inpcb *)so->so_pcb; 490 SCTP_INP_WLOCK(inp); 491 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 492 ip_inp = &inp->ip_inp.inp; 493 ip_inp->inp_vflag |= INP_IPV4; 494 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 495 SCTP_INP_WUNLOCK(inp); 496 return (0); 497 } 498 499 static int 500 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 501 { 502 struct sctp_inpcb *inp; 503 504 inp = (struct sctp_inpcb *)so->so_pcb; 505 if (inp == NULL) { 506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 507 return (EINVAL); 508 } 509 if (addr != NULL) { 510 if ((addr->sa_family != AF_INET) || 511 (addr->sa_len != sizeof(struct sockaddr_in))) { 512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 513 return (EINVAL); 514 } 515 } 516 return (sctp_inpcb_bind(so, addr, NULL, p)); 517 } 518 519 #endif 520 void 521 sctp_close(struct socket *so) 522 { 523 struct sctp_inpcb *inp; 524 uint32_t flags; 525 526 inp = (struct sctp_inpcb *)so->so_pcb; 527 if (inp == NULL) 528 return; 529 530 /* 531 * Inform all the lower layer assoc that we are done. 532 */ 533 sctp_must_try_again: 534 flags = inp->sctp_flags; 535 #ifdef SCTP_LOG_CLOSING 536 sctp_log_closing(inp, NULL, 17); 537 #endif 538 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 539 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 540 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 541 (so->so_rcv.sb_cc > 0)) { 542 #ifdef SCTP_LOG_CLOSING 543 sctp_log_closing(inp, NULL, 13); 544 #endif 545 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 546 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 547 } else { 548 #ifdef SCTP_LOG_CLOSING 549 sctp_log_closing(inp, NULL, 14); 550 #endif 551 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 552 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 553 } 554 /* 555 * The socket is now detached, no matter what the state of 556 * the SCTP association. 557 */ 558 SOCK_LOCK(so); 559 SCTP_SB_CLEAR(so->so_snd); 560 /* 561 * same for the rcv ones, they are only here for the 562 * accounting/select. 563 */ 564 SCTP_SB_CLEAR(so->so_rcv); 565 566 /* Now null out the reference, we are completely detached. */ 567 so->so_pcb = NULL; 568 SOCK_UNLOCK(so); 569 } else { 570 flags = inp->sctp_flags; 571 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 572 goto sctp_must_try_again; 573 } 574 } 575 return; 576 } 577 578 579 int 580 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 581 struct mbuf *control, struct thread *p); 582 583 584 int 585 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 586 struct mbuf *control, struct thread *p) 587 { 588 struct sctp_inpcb *inp; 589 int error; 590 591 inp = (struct sctp_inpcb *)so->so_pcb; 592 if (inp == NULL) { 593 if (control) { 594 sctp_m_freem(control); 595 control = NULL; 596 } 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 sctp_m_freem(m); 599 return (EINVAL); 600 } 601 /* Got to have an to address if we are NOT a connected socket */ 602 if ((addr == NULL) && 603 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 604 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 605 goto connected_type; 606 } else if (addr == NULL) { 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 error = EDESTADDRREQ; 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 return (error); 615 } 616 #ifdef INET6 617 if (addr->sa_family != AF_INET) { 618 /* must be a v4 address! */ 619 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 620 sctp_m_freem(m); 621 if (control) { 622 sctp_m_freem(control); 623 control = NULL; 624 } 625 error = EDESTADDRREQ; 626 return (error); 627 } 628 #endif /* INET6 */ 629 connected_type: 630 /* now what about control */ 631 if (control) { 632 if (inp->control) { 633 SCTP_PRINTF("huh? control set?\n"); 634 sctp_m_freem(inp->control); 635 inp->control = NULL; 636 } 637 inp->control = control; 638 } 639 /* Place the data */ 640 if (inp->pkt) { 641 SCTP_BUF_NEXT(inp->pkt_last) = m; 642 inp->pkt_last = m; 643 } else { 644 inp->pkt_last = inp->pkt = m; 645 } 646 if ( 647 /* FreeBSD uses a flag passed */ 648 ((flags & PRUS_MORETOCOME) == 0) 649 ) { 650 /* 651 * note with the current version this code will only be used 652 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 653 * re-defining sosend to use the sctp_sosend. One can 654 * optionally switch back to this code (by changing back the 655 * definitions) but this is not advisable. This code is used 656 * by FreeBSD when sending a file with sendfile() though. 657 */ 658 int ret; 659 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 inp->pkt = NULL; 662 inp->control = NULL; 663 return (ret); 664 } else { 665 return (0); 666 } 667 } 668 669 int 670 sctp_disconnect(struct socket *so) 671 { 672 struct sctp_inpcb *inp; 673 674 inp = (struct sctp_inpcb *)so->so_pcb; 675 if (inp == NULL) { 676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 677 return (ENOTCONN); 678 } 679 SCTP_INP_RLOCK(inp); 680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 682 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 683 /* No connection */ 684 SCTP_INP_RUNLOCK(inp); 685 return (0); 686 } else { 687 struct sctp_association *asoc; 688 struct sctp_tcb *stcb; 689 690 stcb = LIST_FIRST(&inp->sctp_asoc_list); 691 if (stcb == NULL) { 692 SCTP_INP_RUNLOCK(inp); 693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 694 return (EINVAL); 695 } 696 SCTP_TCB_LOCK(stcb); 697 asoc = &stcb->asoc; 698 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 699 /* We are about to be freed, out of here */ 700 SCTP_TCB_UNLOCK(stcb); 701 SCTP_INP_RUNLOCK(inp); 702 return (0); 703 } 704 if (((so->so_options & SO_LINGER) && 705 (so->so_linger == 0)) || 706 (so->so_rcv.sb_cc > 0)) { 707 if (SCTP_GET_STATE(asoc) != 708 SCTP_STATE_COOKIE_WAIT) { 709 /* Left with Data unread */ 710 struct mbuf *op_err; 711 712 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 713 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 714 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 715 } 716 SCTP_INP_RUNLOCK(inp); 717 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 718 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 719 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 720 } 721 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 722 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 723 /* No unlock tcb assoc is gone */ 724 return (0); 725 } 726 if (TAILQ_EMPTY(&asoc->send_queue) && 727 TAILQ_EMPTY(&asoc->sent_queue) && 728 (asoc->stream_queue_cnt == 0)) { 729 /* there is nothing queued to send, so done */ 730 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 731 goto abort_anyway; 732 } 733 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 734 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 735 /* only send SHUTDOWN 1st time thru */ 736 struct sctp_nets *netp; 737 738 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 739 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 740 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 741 } 742 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 743 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 744 sctp_stop_timers_for_shutdown(stcb); 745 if (stcb->asoc.alternate) { 746 netp = stcb->asoc.alternate; 747 } else { 748 netp = stcb->asoc.primary_destination; 749 } 750 sctp_send_shutdown(stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 752 stcb->sctp_ep, stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 754 stcb->sctp_ep, stcb, netp); 755 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 756 } 757 } else { 758 /* 759 * we still got (or just got) data to send, 760 * so set SHUTDOWN_PENDING 761 */ 762 /* 763 * XXX sockets draft says that SCTP_EOF 764 * should be sent with no data. currently, 765 * we will allow user data to be sent first 766 * and move to SHUTDOWN-PENDING 767 */ 768 struct sctp_nets *netp; 769 770 if (stcb->asoc.alternate) { 771 netp = stcb->asoc.alternate; 772 } else { 773 netp = stcb->asoc.primary_destination; 774 } 775 776 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 777 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 778 netp); 779 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 780 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 781 } 782 if (TAILQ_EMPTY(&asoc->send_queue) && 783 TAILQ_EMPTY(&asoc->sent_queue) && 784 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 785 struct mbuf *op_err; 786 787 abort_anyway: 788 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 789 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 790 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 791 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 792 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 793 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 794 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 795 } 796 SCTP_INP_RUNLOCK(inp); 797 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 798 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 799 return (0); 800 } else { 801 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 802 } 803 } 804 soisdisconnecting(so); 805 SCTP_TCB_UNLOCK(stcb); 806 SCTP_INP_RUNLOCK(inp); 807 return (0); 808 } 809 /* not reached */ 810 } else { 811 /* UDP model does not support this */ 812 SCTP_INP_RUNLOCK(inp); 813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 814 return (EOPNOTSUPP); 815 } 816 } 817 818 int 819 sctp_flush(struct socket *so, int how) 820 { 821 /* 822 * We will just clear out the values and let subsequent close clear 823 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 824 * they will not be able to read the data, the socket will block 825 * that from happening. 826 */ 827 struct sctp_inpcb *inp; 828 829 inp = (struct sctp_inpcb *)so->so_pcb; 830 if (inp == NULL) { 831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 832 return (EINVAL); 833 } 834 SCTP_INP_RLOCK(inp); 835 /* For the 1 to many model this does nothing */ 836 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 837 SCTP_INP_RUNLOCK(inp); 838 return (0); 839 } 840 SCTP_INP_RUNLOCK(inp); 841 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 842 /* 843 * First make sure the sb will be happy, we don't use these 844 * except maybe the count 845 */ 846 SCTP_INP_WLOCK(inp); 847 SCTP_INP_READ_LOCK(inp); 848 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 849 SCTP_INP_READ_UNLOCK(inp); 850 SCTP_INP_WUNLOCK(inp); 851 so->so_rcv.sb_cc = 0; 852 so->so_rcv.sb_mbcnt = 0; 853 so->so_rcv.sb_mb = NULL; 854 } 855 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 856 /* 857 * First make sure the sb will be happy, we don't use these 858 * except maybe the count 859 */ 860 so->so_snd.sb_cc = 0; 861 so->so_snd.sb_mbcnt = 0; 862 so->so_snd.sb_mb = NULL; 863 864 } 865 return (0); 866 } 867 868 int 869 sctp_shutdown(struct socket *so) 870 { 871 struct sctp_inpcb *inp; 872 873 inp = (struct sctp_inpcb *)so->so_pcb; 874 if (inp == NULL) { 875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 876 return (EINVAL); 877 } 878 SCTP_INP_RLOCK(inp); 879 /* For UDP model this is a invalid call */ 880 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 881 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 882 /* Restore the flags that the soshutdown took away. */ 883 SOCKBUF_LOCK(&so->so_rcv); 884 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 885 SOCKBUF_UNLOCK(&so->so_rcv); 886 /* This proc will wakeup for read and do nothing (I hope) */ 887 SCTP_INP_RUNLOCK(inp); 888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 889 return (EOPNOTSUPP); 890 } else { 891 /* 892 * Ok, if we reach here its the TCP model and it is either a 893 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 894 * against it. 895 */ 896 struct sctp_tcb *stcb; 897 struct sctp_association *asoc; 898 struct sctp_nets *netp; 899 900 if ((so->so_state & 901 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 902 SCTP_INP_RUNLOCK(inp); 903 return (ENOTCONN); 904 } 905 socantsendmore(so); 906 907 stcb = LIST_FIRST(&inp->sctp_asoc_list); 908 if (stcb == NULL) { 909 /* 910 * Ok, we hit the case that the shutdown call was 911 * made after an abort or something. Nothing to do 912 * now. 913 */ 914 SCTP_INP_RUNLOCK(inp); 915 return (0); 916 } 917 SCTP_TCB_LOCK(stcb); 918 asoc = &stcb->asoc; 919 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 920 SCTP_TCB_UNLOCK(stcb); 921 SCTP_INP_RUNLOCK(inp); 922 return (0); 923 } 924 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 925 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 926 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 927 /* 928 * If we are not in or before ESTABLISHED, there is 929 * no protocol action required. 930 */ 931 SCTP_TCB_UNLOCK(stcb); 932 SCTP_INP_RUNLOCK(inp); 933 return (0); 934 } 935 if (stcb->asoc.alternate) { 936 netp = stcb->asoc.alternate; 937 } else { 938 netp = stcb->asoc.primary_destination; 939 } 940 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 941 TAILQ_EMPTY(&asoc->send_queue) && 942 TAILQ_EMPTY(&asoc->sent_queue) && 943 (asoc->stream_queue_cnt == 0)) { 944 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 945 goto abort_anyway; 946 } 947 /* there is nothing queued to send, so I'm done... */ 948 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 949 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 950 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 951 sctp_stop_timers_for_shutdown(stcb); 952 sctp_send_shutdown(stcb, netp); 953 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 954 stcb->sctp_ep, stcb, netp); 955 } else { 956 /* 957 * We still got (or just got) data to send, so set 958 * SHUTDOWN_PENDING. 959 */ 960 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 961 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 962 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 963 } 964 if (TAILQ_EMPTY(&asoc->send_queue) && 965 TAILQ_EMPTY(&asoc->sent_queue) && 966 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 967 struct mbuf *op_err; 968 969 abort_anyway: 970 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 971 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 972 sctp_abort_an_association(stcb->sctp_ep, stcb, 973 op_err, SCTP_SO_LOCKED); 974 SCTP_INP_RUNLOCK(inp); 975 return (0); 976 } 977 } 978 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 979 /* 980 * XXX: Why do this in the case where we have still data 981 * queued? 982 */ 983 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 984 SCTP_TCB_UNLOCK(stcb); 985 SCTP_INP_RUNLOCK(inp); 986 return (0); 987 } 988 } 989 990 /* 991 * copies a "user" presentable address and removes embedded scope, etc. 992 * returns 0 on success, 1 on error 993 */ 994 static uint32_t 995 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 996 { 997 #ifdef INET6 998 struct sockaddr_in6 lsa6; 999 1000 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1001 &lsa6); 1002 #endif 1003 memcpy(ss, sa, sa->sa_len); 1004 return (0); 1005 } 1006 1007 1008 1009 /* 1010 * NOTE: assumes addr lock is held 1011 */ 1012 static size_t 1013 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1014 struct sctp_tcb *stcb, 1015 size_t limit, 1016 struct sockaddr_storage *sas, 1017 uint32_t vrf_id) 1018 { 1019 struct sctp_ifn *sctp_ifn; 1020 struct sctp_ifa *sctp_ifa; 1021 size_t actual; 1022 int loopback_scope; 1023 #if defined(INET) 1024 int ipv4_local_scope, ipv4_addr_legal; 1025 #endif 1026 #if defined(INET6) 1027 int local_scope, site_scope, ipv6_addr_legal; 1028 #endif 1029 struct sctp_vrf *vrf; 1030 1031 actual = 0; 1032 if (limit <= 0) 1033 return (actual); 1034 1035 if (stcb) { 1036 /* Turn on all the appropriate scope */ 1037 loopback_scope = stcb->asoc.scope.loopback_scope; 1038 #if defined(INET) 1039 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1040 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1041 #endif 1042 #if defined(INET6) 1043 local_scope = stcb->asoc.scope.local_scope; 1044 site_scope = stcb->asoc.scope.site_scope; 1045 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1046 #endif 1047 } else { 1048 /* Use generic values for endpoints. */ 1049 loopback_scope = 1; 1050 #if defined(INET) 1051 ipv4_local_scope = 1; 1052 #endif 1053 #if defined(INET6) 1054 local_scope = 1; 1055 site_scope = 1; 1056 #endif 1057 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1058 #if defined(INET6) 1059 ipv6_addr_legal = 1; 1060 #endif 1061 #if defined(INET) 1062 if (SCTP_IPV6_V6ONLY(inp)) { 1063 ipv4_addr_legal = 0; 1064 } else { 1065 ipv4_addr_legal = 1; 1066 } 1067 #endif 1068 } else { 1069 #if defined(INET6) 1070 ipv6_addr_legal = 0; 1071 #endif 1072 #if defined(INET) 1073 ipv4_addr_legal = 1; 1074 #endif 1075 } 1076 } 1077 vrf = sctp_find_vrf(vrf_id); 1078 if (vrf == NULL) { 1079 return (0); 1080 } 1081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1082 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1083 if ((loopback_scope == 0) && 1084 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1085 /* Skip loopback if loopback_scope not set */ 1086 continue; 1087 } 1088 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1089 if (stcb) { 1090 /* 1091 * For the BOUND-ALL case, the list 1092 * associated with a TCB is Always 1093 * considered a reverse list.. i.e. 1094 * it lists addresses that are NOT 1095 * part of the association. If this 1096 * is one of those we must skip it. 1097 */ 1098 if (sctp_is_addr_restricted(stcb, 1099 sctp_ifa)) { 1100 continue; 1101 } 1102 } 1103 switch (sctp_ifa->address.sa.sa_family) { 1104 #ifdef INET 1105 case AF_INET: 1106 if (ipv4_addr_legal) { 1107 struct sockaddr_in *sin; 1108 1109 sin = &sctp_ifa->address.sin; 1110 if (sin->sin_addr.s_addr == 0) { 1111 /* 1112 * we skip 1113 * unspecifed 1114 * addresses 1115 */ 1116 continue; 1117 } 1118 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1119 &sin->sin_addr) != 0) { 1120 continue; 1121 } 1122 if ((ipv4_local_scope == 0) && 1123 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1124 continue; 1125 } 1126 #ifdef INET6 1127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1128 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1129 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1130 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1131 actual += sizeof(struct sockaddr_in6); 1132 } else { 1133 #endif 1134 memcpy(sas, sin, sizeof(*sin)); 1135 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1136 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1137 actual += sizeof(*sin); 1138 #ifdef INET6 1139 } 1140 #endif 1141 if (actual >= limit) { 1142 return (actual); 1143 } 1144 } else { 1145 continue; 1146 } 1147 break; 1148 #endif 1149 #ifdef INET6 1150 case AF_INET6: 1151 if (ipv6_addr_legal) { 1152 struct sockaddr_in6 *sin6; 1153 1154 sin6 = &sctp_ifa->address.sin6; 1155 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1156 /* 1157 * we skip 1158 * unspecifed 1159 * addresses 1160 */ 1161 continue; 1162 } 1163 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1164 &sin6->sin6_addr) != 0) { 1165 continue; 1166 } 1167 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1168 if (local_scope == 0) 1169 continue; 1170 if (sin6->sin6_scope_id == 0) { 1171 if (sa6_recoverscope(sin6) != 0) 1172 /* 1173 * 1174 * bad 1175 * link 1176 * 1177 * local 1178 * 1179 * address 1180 */ 1181 continue; 1182 } 1183 } 1184 if ((site_scope == 0) && 1185 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1186 continue; 1187 } 1188 memcpy(sas, sin6, sizeof(*sin6)); 1189 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1190 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1191 actual += sizeof(*sin6); 1192 if (actual >= limit) { 1193 return (actual); 1194 } 1195 } else { 1196 continue; 1197 } 1198 break; 1199 #endif 1200 default: 1201 /* TSNH */ 1202 break; 1203 } 1204 } 1205 } 1206 } else { 1207 struct sctp_laddr *laddr; 1208 1209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1210 if (stcb) { 1211 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1212 continue; 1213 } 1214 } 1215 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1216 continue; 1217 switch (laddr->ifa->address.sa.sa_family) { 1218 #ifdef INET 1219 case AF_INET: 1220 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1221 break; 1222 #endif 1223 #ifdef INET6 1224 case AF_INET6: 1225 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1226 break; 1227 #endif 1228 default: 1229 /* TSNH */ 1230 break; 1231 } 1232 sas = (struct sockaddr_storage *)((caddr_t)sas + 1233 laddr->ifa->address.sa.sa_len); 1234 actual += laddr->ifa->address.sa.sa_len; 1235 if (actual >= limit) { 1236 return (actual); 1237 } 1238 } 1239 } 1240 return (actual); 1241 } 1242 1243 static size_t 1244 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1245 struct sctp_tcb *stcb, 1246 size_t limit, 1247 struct sockaddr_storage *sas) 1248 { 1249 size_t size = 0; 1250 1251 SCTP_IPI_ADDR_RLOCK(); 1252 /* fill up addresses for the endpoint's default vrf */ 1253 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1254 inp->def_vrf_id); 1255 SCTP_IPI_ADDR_RUNLOCK(); 1256 return (size); 1257 } 1258 1259 /* 1260 * NOTE: assumes addr lock is held 1261 */ 1262 static int 1263 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1264 { 1265 int cnt = 0; 1266 struct sctp_vrf *vrf = NULL; 1267 1268 /* 1269 * In both sub-set bound an bound_all cases we return the MAXIMUM 1270 * number of addresses that you COULD get. In reality the sub-set 1271 * bound may have an exclusion list for a given TCB OR in the 1272 * bound-all case a TCB may NOT include the loopback or other 1273 * addresses as well. 1274 */ 1275 vrf = sctp_find_vrf(vrf_id); 1276 if (vrf == NULL) { 1277 return (0); 1278 } 1279 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1280 struct sctp_ifn *sctp_ifn; 1281 struct sctp_ifa *sctp_ifa; 1282 1283 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1284 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1285 /* Count them if they are the right type */ 1286 switch (sctp_ifa->address.sa.sa_family) { 1287 #ifdef INET 1288 case AF_INET: 1289 #ifdef INET6 1290 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1291 cnt += sizeof(struct sockaddr_in6); 1292 else 1293 cnt += sizeof(struct sockaddr_in); 1294 #else 1295 cnt += sizeof(struct sockaddr_in); 1296 #endif 1297 break; 1298 #endif 1299 #ifdef INET6 1300 case AF_INET6: 1301 cnt += sizeof(struct sockaddr_in6); 1302 break; 1303 #endif 1304 default: 1305 break; 1306 } 1307 } 1308 } 1309 } else { 1310 struct sctp_laddr *laddr; 1311 1312 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1313 switch (laddr->ifa->address.sa.sa_family) { 1314 #ifdef INET 1315 case AF_INET: 1316 #ifdef INET6 1317 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1318 cnt += sizeof(struct sockaddr_in6); 1319 else 1320 cnt += sizeof(struct sockaddr_in); 1321 #else 1322 cnt += sizeof(struct sockaddr_in); 1323 #endif 1324 break; 1325 #endif 1326 #ifdef INET6 1327 case AF_INET6: 1328 cnt += sizeof(struct sockaddr_in6); 1329 break; 1330 #endif 1331 default: 1332 break; 1333 } 1334 } 1335 } 1336 return (cnt); 1337 } 1338 1339 static int 1340 sctp_count_max_addresses(struct sctp_inpcb *inp) 1341 { 1342 int cnt = 0; 1343 1344 SCTP_IPI_ADDR_RLOCK(); 1345 /* count addresses for the endpoint's default VRF */ 1346 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1347 SCTP_IPI_ADDR_RUNLOCK(); 1348 return (cnt); 1349 } 1350 1351 static int 1352 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1353 size_t optsize, void *p, int delay) 1354 { 1355 int error = 0; 1356 int creat_lock_on = 0; 1357 struct sctp_tcb *stcb = NULL; 1358 struct sockaddr *sa; 1359 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1360 uint32_t vrf_id; 1361 int bad_addresses = 0; 1362 sctp_assoc_t *a_id; 1363 1364 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1365 1366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1367 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1368 /* We are already connected AND the TCP model */ 1369 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1370 return (EADDRINUSE); 1371 } 1372 1373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1374 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1376 return (EINVAL); 1377 } 1378 1379 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1380 SCTP_INP_RLOCK(inp); 1381 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1382 SCTP_INP_RUNLOCK(inp); 1383 } 1384 if (stcb) { 1385 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1386 return (EALREADY); 1387 } 1388 SCTP_INP_INCR_REF(inp); 1389 SCTP_ASOC_CREATE_LOCK(inp); 1390 creat_lock_on = 1; 1391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1392 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1393 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1394 error = EFAULT; 1395 goto out_now; 1396 } 1397 totaddrp = (unsigned int *)optval; 1398 totaddr = *totaddrp; 1399 sa = (struct sockaddr *)(totaddrp + 1); 1400 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1401 if ((stcb != NULL) || bad_addresses) { 1402 /* Already have or am bring up an association */ 1403 SCTP_ASOC_CREATE_UNLOCK(inp); 1404 creat_lock_on = 0; 1405 if (stcb) 1406 SCTP_TCB_UNLOCK(stcb); 1407 if (bad_addresses == 0) { 1408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1409 error = EALREADY; 1410 } 1411 goto out_now; 1412 } 1413 #ifdef INET6 1414 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1415 (num_v6 > 0)) { 1416 error = EINVAL; 1417 goto out_now; 1418 } 1419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1420 (num_v4 > 0)) { 1421 struct in6pcb *inp6; 1422 1423 inp6 = (struct in6pcb *)inp; 1424 if (SCTP_IPV6_V6ONLY(inp6)) { 1425 /* 1426 * if IPV6_V6ONLY flag, ignore connections destined 1427 * to a v4 addr or v4-mapped addr 1428 */ 1429 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1430 error = EINVAL; 1431 goto out_now; 1432 } 1433 } 1434 #endif /* INET6 */ 1435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1436 SCTP_PCB_FLAGS_UNBOUND) { 1437 /* Bind a ephemeral port */ 1438 error = sctp_inpcb_bind(so, NULL, NULL, p); 1439 if (error) { 1440 goto out_now; 1441 } 1442 } 1443 1444 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1445 vrf_id = inp->def_vrf_id; 1446 1447 1448 /* We are GOOD to go */ 1449 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1450 inp->sctp_ep.pre_open_stream_count, 1451 inp->sctp_ep.port, 1452 (struct thread *)p 1453 ); 1454 if (stcb == NULL) { 1455 /* Gak! no memory */ 1456 goto out_now; 1457 } 1458 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1459 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1460 /* Set the connected flag so we can queue data */ 1461 soisconnecting(so); 1462 } 1463 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1464 /* move to second address */ 1465 switch (sa->sa_family) { 1466 #ifdef INET 1467 case AF_INET: 1468 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1469 break; 1470 #endif 1471 #ifdef INET6 1472 case AF_INET6: 1473 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1474 break; 1475 #endif 1476 default: 1477 break; 1478 } 1479 1480 error = 0; 1481 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1482 /* Fill in the return id */ 1483 if (error) { 1484 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1486 goto out_now; 1487 } 1488 a_id = (sctp_assoc_t *)optval; 1489 *a_id = sctp_get_associd(stcb); 1490 1491 /* initialize authentication parameters for the assoc */ 1492 sctp_initialize_auth_params(inp, stcb); 1493 1494 if (delay) { 1495 /* doing delayed connection */ 1496 stcb->asoc.delayed_connection = 1; 1497 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1498 } else { 1499 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1500 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1501 } 1502 SCTP_TCB_UNLOCK(stcb); 1503 out_now: 1504 if (creat_lock_on) { 1505 SCTP_ASOC_CREATE_UNLOCK(inp); 1506 } 1507 SCTP_INP_DECR_REF(inp); 1508 return (error); 1509 } 1510 1511 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1514 SCTP_INP_RLOCK(inp); \ 1515 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1516 if (stcb) { \ 1517 SCTP_TCB_LOCK(stcb); \ 1518 } \ 1519 SCTP_INP_RUNLOCK(inp); \ 1520 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1521 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1522 if (stcb == NULL) { \ 1523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1524 error = ENOENT; \ 1525 break; \ 1526 } \ 1527 } else { \ 1528 stcb = NULL; \ 1529 } \ 1530 } 1531 1532 1533 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1534 if (size < sizeof(type)) { \ 1535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1536 error = EINVAL; \ 1537 break; \ 1538 } else { \ 1539 destp = (type *)srcp; \ 1540 } \ 1541 } 1542 1543 static int 1544 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1545 void *p) 1546 { 1547 struct sctp_inpcb *inp = NULL; 1548 int error, val = 0; 1549 struct sctp_tcb *stcb = NULL; 1550 1551 if (optval == NULL) { 1552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1553 return (EINVAL); 1554 } 1555 1556 inp = (struct sctp_inpcb *)so->so_pcb; 1557 if (inp == NULL) { 1558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1559 return EINVAL; 1560 } 1561 error = 0; 1562 1563 switch (optname) { 1564 case SCTP_NODELAY: 1565 case SCTP_AUTOCLOSE: 1566 case SCTP_EXPLICIT_EOR: 1567 case SCTP_AUTO_ASCONF: 1568 case SCTP_DISABLE_FRAGMENTS: 1569 case SCTP_I_WANT_MAPPED_V4_ADDR: 1570 case SCTP_USE_EXT_RCVINFO: 1571 SCTP_INP_RLOCK(inp); 1572 switch (optname) { 1573 case SCTP_DISABLE_FRAGMENTS: 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1575 break; 1576 case SCTP_I_WANT_MAPPED_V4_ADDR: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1578 break; 1579 case SCTP_AUTO_ASCONF: 1580 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1581 /* only valid for bound all sockets */ 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1583 } else { 1584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1585 error = EINVAL; 1586 goto flags_out; 1587 } 1588 break; 1589 case SCTP_EXPLICIT_EOR: 1590 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1591 break; 1592 case SCTP_NODELAY: 1593 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1594 break; 1595 case SCTP_USE_EXT_RCVINFO: 1596 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1597 break; 1598 case SCTP_AUTOCLOSE: 1599 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1600 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1601 else 1602 val = 0; 1603 break; 1604 1605 default: 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1607 error = ENOPROTOOPT; 1608 } /* end switch (sopt->sopt_name) */ 1609 if (*optsize < sizeof(val)) { 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1611 error = EINVAL; 1612 } 1613 flags_out: 1614 SCTP_INP_RUNLOCK(inp); 1615 if (error == 0) { 1616 /* return the option value */ 1617 *(int *)optval = val; 1618 *optsize = sizeof(val); 1619 } 1620 break; 1621 case SCTP_GET_PACKET_LOG: 1622 { 1623 #ifdef SCTP_PACKET_LOGGING 1624 uint8_t *target; 1625 int ret; 1626 1627 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1628 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1629 *optsize = ret; 1630 #else 1631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1632 error = EOPNOTSUPP; 1633 #endif 1634 break; 1635 } 1636 case SCTP_REUSE_PORT: 1637 { 1638 uint32_t *value; 1639 1640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1641 /* Can't do this for a 1-m socket */ 1642 error = EINVAL; 1643 break; 1644 } 1645 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1646 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1647 *optsize = sizeof(uint32_t); 1648 break; 1649 } 1650 case SCTP_PARTIAL_DELIVERY_POINT: 1651 { 1652 uint32_t *value; 1653 1654 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1655 *value = inp->partial_delivery_point; 1656 *optsize = sizeof(uint32_t); 1657 break; 1658 } 1659 case SCTP_FRAGMENT_INTERLEAVE: 1660 { 1661 uint32_t *value; 1662 1663 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1664 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1665 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1666 *value = SCTP_FRAG_LEVEL_2; 1667 } else { 1668 *value = SCTP_FRAG_LEVEL_1; 1669 } 1670 } else { 1671 *value = SCTP_FRAG_LEVEL_0; 1672 } 1673 *optsize = sizeof(uint32_t); 1674 break; 1675 } 1676 case SCTP_INTERLEAVING_SUPPORTED: 1677 { 1678 struct sctp_assoc_value *av; 1679 1680 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1681 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1682 1683 if (stcb) { 1684 av->assoc_value = stcb->asoc.idata_supported; 1685 SCTP_TCB_UNLOCK(stcb); 1686 } else { 1687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1689 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1690 SCTP_INP_RLOCK(inp); 1691 if (inp->idata_supported) { 1692 av->assoc_value = 1; 1693 } else { 1694 av->assoc_value = 0; 1695 } 1696 SCTP_INP_RUNLOCK(inp); 1697 } else { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701 } 1702 if (error == 0) { 1703 *optsize = sizeof(struct sctp_assoc_value); 1704 } 1705 break; 1706 } 1707 case SCTP_CMT_ON_OFF: 1708 { 1709 struct sctp_assoc_value *av; 1710 1711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1720 SCTP_INP_RLOCK(inp); 1721 av->assoc_value = inp->sctp_cmt_on_off; 1722 SCTP_INP_RUNLOCK(inp); 1723 } else { 1724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1725 error = EINVAL; 1726 } 1727 } 1728 if (error == 0) { 1729 *optsize = sizeof(struct sctp_assoc_value); 1730 } 1731 break; 1732 } 1733 case SCTP_PLUGGABLE_CC: 1734 { 1735 struct sctp_assoc_value *av; 1736 1737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1739 if (stcb) { 1740 av->assoc_value = stcb->asoc.congestion_control_module; 1741 SCTP_TCB_UNLOCK(stcb); 1742 } else { 1743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1745 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1746 SCTP_INP_RLOCK(inp); 1747 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1748 SCTP_INP_RUNLOCK(inp); 1749 } else { 1750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1751 error = EINVAL; 1752 } 1753 } 1754 if (error == 0) { 1755 *optsize = sizeof(struct sctp_assoc_value); 1756 } 1757 break; 1758 } 1759 case SCTP_CC_OPTION: 1760 { 1761 struct sctp_cc_option *cc_opt; 1762 1763 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1764 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1765 if (stcb == NULL) { 1766 error = EINVAL; 1767 } else { 1768 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1769 error = ENOTSUP; 1770 } else { 1771 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1772 *optsize = sizeof(struct sctp_cc_option); 1773 } 1774 SCTP_TCB_UNLOCK(stcb); 1775 } 1776 break; 1777 } 1778 case SCTP_PLUGGABLE_SS: 1779 { 1780 struct sctp_assoc_value *av; 1781 1782 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1783 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1784 if (stcb) { 1785 av->assoc_value = stcb->asoc.stream_scheduling_module; 1786 SCTP_TCB_UNLOCK(stcb); 1787 } else { 1788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1790 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1791 SCTP_INP_RLOCK(inp); 1792 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1793 SCTP_INP_RUNLOCK(inp); 1794 } else { 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1796 error = EINVAL; 1797 } 1798 } 1799 if (error == 0) { 1800 *optsize = sizeof(struct sctp_assoc_value); 1801 } 1802 break; 1803 } 1804 case SCTP_SS_VALUE: 1805 { 1806 struct sctp_stream_value *av; 1807 1808 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1809 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1810 if (stcb) { 1811 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1812 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1813 &av->stream_value) < 0)) { 1814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1815 error = EINVAL; 1816 } else { 1817 *optsize = sizeof(struct sctp_stream_value); 1818 } 1819 SCTP_TCB_UNLOCK(stcb); 1820 } else { 1821 /* 1822 * Can't get stream value without 1823 * association 1824 */ 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1826 error = EINVAL; 1827 } 1828 break; 1829 } 1830 case SCTP_GET_ADDR_LEN: 1831 { 1832 struct sctp_assoc_value *av; 1833 1834 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1835 error = EINVAL; 1836 #ifdef INET 1837 if (av->assoc_value == AF_INET) { 1838 av->assoc_value = sizeof(struct sockaddr_in); 1839 error = 0; 1840 } 1841 #endif 1842 #ifdef INET6 1843 if (av->assoc_value == AF_INET6) { 1844 av->assoc_value = sizeof(struct sockaddr_in6); 1845 error = 0; 1846 } 1847 #endif 1848 if (error) { 1849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1850 } else { 1851 *optsize = sizeof(struct sctp_assoc_value); 1852 } 1853 break; 1854 } 1855 case SCTP_GET_ASSOC_NUMBER: 1856 { 1857 uint32_t *value, cnt; 1858 1859 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1860 SCTP_INP_RLOCK(inp); 1861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1863 /* Can't do this for a 1-1 socket */ 1864 error = EINVAL; 1865 SCTP_INP_RUNLOCK(inp); 1866 break; 1867 } 1868 cnt = 0; 1869 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1870 cnt++; 1871 } 1872 SCTP_INP_RUNLOCK(inp); 1873 *value = cnt; 1874 *optsize = sizeof(uint32_t); 1875 break; 1876 } 1877 case SCTP_GET_ASSOC_ID_LIST: 1878 { 1879 struct sctp_assoc_ids *ids; 1880 uint32_t at; 1881 size_t limit; 1882 1883 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1884 SCTP_INP_RLOCK(inp); 1885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1886 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1887 /* Can't do this for a 1-1 socket */ 1888 error = EINVAL; 1889 SCTP_INP_RUNLOCK(inp); 1890 break; 1891 } 1892 at = 0; 1893 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1894 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1895 if (at < limit) { 1896 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1897 if (at == 0) { 1898 error = EINVAL; 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1900 break; 1901 } 1902 } else { 1903 error = EINVAL; 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1905 break; 1906 } 1907 } 1908 SCTP_INP_RUNLOCK(inp); 1909 if (error == 0) { 1910 ids->gaids_number_of_ids = at; 1911 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1912 } 1913 break; 1914 } 1915 case SCTP_CONTEXT: 1916 { 1917 struct sctp_assoc_value *av; 1918 1919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1921 1922 if (stcb) { 1923 av->assoc_value = stcb->asoc.context; 1924 SCTP_TCB_UNLOCK(stcb); 1925 } else { 1926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1928 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1929 SCTP_INP_RLOCK(inp); 1930 av->assoc_value = inp->sctp_context; 1931 SCTP_INP_RUNLOCK(inp); 1932 } else { 1933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1934 error = EINVAL; 1935 } 1936 } 1937 if (error == 0) { 1938 *optsize = sizeof(struct sctp_assoc_value); 1939 } 1940 break; 1941 } 1942 case SCTP_VRF_ID: 1943 { 1944 uint32_t *default_vrfid; 1945 1946 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1947 *default_vrfid = inp->def_vrf_id; 1948 *optsize = sizeof(uint32_t); 1949 break; 1950 } 1951 case SCTP_GET_ASOC_VRF: 1952 { 1953 struct sctp_assoc_value *id; 1954 1955 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1956 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1957 if (stcb == NULL) { 1958 error = EINVAL; 1959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1960 } else { 1961 id->assoc_value = stcb->asoc.vrf_id; 1962 SCTP_TCB_UNLOCK(stcb); 1963 *optsize = sizeof(struct sctp_assoc_value); 1964 } 1965 break; 1966 } 1967 case SCTP_GET_VRF_IDS: 1968 { 1969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1970 error = EOPNOTSUPP; 1971 break; 1972 } 1973 case SCTP_GET_NONCE_VALUES: 1974 { 1975 struct sctp_get_nonce_values *gnv; 1976 1977 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1978 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1979 1980 if (stcb) { 1981 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1982 gnv->gn_local_tag = stcb->asoc.my_vtag; 1983 SCTP_TCB_UNLOCK(stcb); 1984 *optsize = sizeof(struct sctp_get_nonce_values); 1985 } else { 1986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1987 error = ENOTCONN; 1988 } 1989 break; 1990 } 1991 case SCTP_DELAYED_SACK: 1992 { 1993 struct sctp_sack_info *sack; 1994 1995 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1996 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1997 if (stcb) { 1998 sack->sack_delay = stcb->asoc.delayed_ack; 1999 sack->sack_freq = stcb->asoc.sack_freq; 2000 SCTP_TCB_UNLOCK(stcb); 2001 } else { 2002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2003 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2004 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2005 SCTP_INP_RLOCK(inp); 2006 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2007 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2008 SCTP_INP_RUNLOCK(inp); 2009 } else { 2010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2011 error = EINVAL; 2012 } 2013 } 2014 if (error == 0) { 2015 *optsize = sizeof(struct sctp_sack_info); 2016 } 2017 break; 2018 } 2019 case SCTP_GET_SNDBUF_USE: 2020 { 2021 struct sctp_sockstat *ss; 2022 2023 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2024 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2025 2026 if (stcb) { 2027 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2028 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2029 stcb->asoc.size_on_all_streams); 2030 SCTP_TCB_UNLOCK(stcb); 2031 *optsize = sizeof(struct sctp_sockstat); 2032 } else { 2033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2034 error = ENOTCONN; 2035 } 2036 break; 2037 } 2038 case SCTP_MAX_BURST: 2039 { 2040 struct sctp_assoc_value *av; 2041 2042 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2043 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2044 2045 if (stcb) { 2046 av->assoc_value = stcb->asoc.max_burst; 2047 SCTP_TCB_UNLOCK(stcb); 2048 } else { 2049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2051 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2052 SCTP_INP_RLOCK(inp); 2053 av->assoc_value = inp->sctp_ep.max_burst; 2054 SCTP_INP_RUNLOCK(inp); 2055 } else { 2056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2057 error = EINVAL; 2058 } 2059 } 2060 if (error == 0) { 2061 *optsize = sizeof(struct sctp_assoc_value); 2062 } 2063 break; 2064 } 2065 case SCTP_MAXSEG: 2066 { 2067 struct sctp_assoc_value *av; 2068 int ovh; 2069 2070 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2071 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2072 2073 if (stcb) { 2074 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2075 SCTP_TCB_UNLOCK(stcb); 2076 } else { 2077 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2078 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2079 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2080 SCTP_INP_RLOCK(inp); 2081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2082 ovh = SCTP_MED_OVERHEAD; 2083 } else { 2084 ovh = SCTP_MED_V4_OVERHEAD; 2085 } 2086 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2087 av->assoc_value = 0; 2088 else 2089 av->assoc_value = inp->sctp_frag_point - ovh; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_GET_STAT_LOG: 2102 error = sctp_fill_stat_log(optval, optsize); 2103 break; 2104 case SCTP_EVENTS: 2105 { 2106 struct sctp_event_subscribe *events; 2107 2108 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2109 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2110 SCTP_INP_RLOCK(inp); 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2112 events->sctp_data_io_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2115 events->sctp_association_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2118 events->sctp_address_event = 1; 2119 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2121 events->sctp_send_failure_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2124 events->sctp_peer_error_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2127 events->sctp_shutdown_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2130 events->sctp_partial_delivery_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2133 events->sctp_adaptation_layer_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2136 events->sctp_authentication_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2139 events->sctp_sender_dry_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2142 events->sctp_stream_reset_event = 1; 2143 SCTP_INP_RUNLOCK(inp); 2144 *optsize = sizeof(struct sctp_event_subscribe); 2145 break; 2146 } 2147 case SCTP_ADAPTATION_LAYER: 2148 { 2149 uint32_t *value; 2150 2151 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2152 2153 SCTP_INP_RLOCK(inp); 2154 *value = inp->sctp_ep.adaptation_layer_indicator; 2155 SCTP_INP_RUNLOCK(inp); 2156 *optsize = sizeof(uint32_t); 2157 break; 2158 } 2159 case SCTP_SET_INITIAL_DBG_SEQ: 2160 { 2161 uint32_t *value; 2162 2163 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2164 SCTP_INP_RLOCK(inp); 2165 *value = inp->sctp_ep.initial_sequence_debug; 2166 SCTP_INP_RUNLOCK(inp); 2167 *optsize = sizeof(uint32_t); 2168 break; 2169 } 2170 case SCTP_GET_LOCAL_ADDR_SIZE: 2171 { 2172 uint32_t *value; 2173 2174 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2175 SCTP_INP_RLOCK(inp); 2176 *value = sctp_count_max_addresses(inp); 2177 SCTP_INP_RUNLOCK(inp); 2178 *optsize = sizeof(uint32_t); 2179 break; 2180 } 2181 case SCTP_GET_REMOTE_ADDR_SIZE: 2182 { 2183 uint32_t *value; 2184 size_t size; 2185 struct sctp_nets *net; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 /* FIXME MT: change to sctp_assoc_value? */ 2189 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2190 2191 if (stcb) { 2192 size = 0; 2193 /* Count the sizes */ 2194 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2195 switch (net->ro._l_addr.sa.sa_family) { 2196 #ifdef INET 2197 case AF_INET: 2198 #ifdef INET6 2199 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2200 size += sizeof(struct sockaddr_in6); 2201 } else { 2202 size += sizeof(struct sockaddr_in); 2203 } 2204 #else 2205 size += sizeof(struct sockaddr_in); 2206 #endif 2207 break; 2208 #endif 2209 #ifdef INET6 2210 case AF_INET6: 2211 size += sizeof(struct sockaddr_in6); 2212 break; 2213 #endif 2214 default: 2215 break; 2216 } 2217 } 2218 SCTP_TCB_UNLOCK(stcb); 2219 *value = (uint32_t)size; 2220 *optsize = sizeof(uint32_t); 2221 } else { 2222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2223 error = ENOTCONN; 2224 } 2225 break; 2226 } 2227 case SCTP_GET_PEER_ADDRESSES: 2228 /* 2229 * Get the address information, an array is passed in to 2230 * fill up we pack it. 2231 */ 2232 { 2233 size_t cpsz, left; 2234 struct sockaddr_storage *sas; 2235 struct sctp_nets *net; 2236 struct sctp_getaddresses *saddr; 2237 2238 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2239 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2240 2241 if (stcb) { 2242 left = (*optsize) - sizeof(struct sctp_getaddresses); 2243 *optsize = sizeof(struct sctp_getaddresses); 2244 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2245 2246 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2247 switch (net->ro._l_addr.sa.sa_family) { 2248 #ifdef INET 2249 case AF_INET: 2250 #ifdef INET6 2251 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2252 cpsz = sizeof(struct sockaddr_in6); 2253 } else { 2254 cpsz = sizeof(struct sockaddr_in); 2255 } 2256 #else 2257 cpsz = sizeof(struct sockaddr_in); 2258 #endif 2259 break; 2260 #endif 2261 #ifdef INET6 2262 case AF_INET6: 2263 cpsz = sizeof(struct sockaddr_in6); 2264 break; 2265 #endif 2266 default: 2267 cpsz = 0; 2268 break; 2269 } 2270 if (cpsz == 0) { 2271 break; 2272 } 2273 if (left < cpsz) { 2274 /* not enough room. */ 2275 break; 2276 } 2277 #if defined(INET) && defined(INET6) 2278 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2279 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2280 /* Must map the address */ 2281 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2282 (struct sockaddr_in6 *)sas); 2283 } else { 2284 memcpy(sas, &net->ro._l_addr, cpsz); 2285 } 2286 #else 2287 memcpy(sas, &net->ro._l_addr, cpsz); 2288 #endif 2289 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2290 2291 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2292 left -= cpsz; 2293 *optsize += cpsz; 2294 } 2295 SCTP_TCB_UNLOCK(stcb); 2296 } else { 2297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2298 error = ENOENT; 2299 } 2300 break; 2301 } 2302 case SCTP_GET_LOCAL_ADDRESSES: 2303 { 2304 size_t limit, actual; 2305 struct sockaddr_storage *sas; 2306 struct sctp_getaddresses *saddr; 2307 2308 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2309 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2310 2311 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2312 limit = *optsize - sizeof(sctp_assoc_t); 2313 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2314 if (stcb) { 2315 SCTP_TCB_UNLOCK(stcb); 2316 } 2317 *optsize = sizeof(struct sockaddr_storage) + actual; 2318 break; 2319 } 2320 case SCTP_PEER_ADDR_PARAMS: 2321 { 2322 struct sctp_paddrparams *paddrp; 2323 struct sctp_nets *net; 2324 struct sockaddr *addr; 2325 #if defined(INET) && defined(INET6) 2326 struct sockaddr_in sin_store; 2327 #endif 2328 2329 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2330 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2331 2332 #if defined(INET) && defined(INET6) 2333 if (paddrp->spp_address.ss_family == AF_INET6) { 2334 struct sockaddr_in6 *sin6; 2335 2336 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2337 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2338 in6_sin6_2_sin(&sin_store, sin6); 2339 addr = (struct sockaddr *)&sin_store; 2340 } else { 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 } 2343 } else { 2344 addr = (struct sockaddr *)&paddrp->spp_address; 2345 } 2346 #else 2347 addr = (struct sockaddr *)&paddrp->spp_address; 2348 #endif 2349 if (stcb != NULL) { 2350 net = sctp_findnet(stcb, addr); 2351 } else { 2352 /* 2353 * We increment here since 2354 * sctp_findassociation_ep_addr() wil do a 2355 * decrement if it finds the stcb as long as 2356 * the locked tcb (last argument) is NOT a 2357 * TCB.. aka NULL. 2358 */ 2359 net = NULL; 2360 SCTP_INP_INCR_REF(inp); 2361 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2362 if (stcb == NULL) { 2363 SCTP_INP_DECR_REF(inp); 2364 } 2365 } 2366 if ((stcb != NULL) && (net == NULL)) { 2367 #ifdef INET 2368 if (addr->sa_family == AF_INET) { 2369 struct sockaddr_in *sin; 2370 2371 sin = (struct sockaddr_in *)addr; 2372 if (sin->sin_addr.s_addr != INADDR_ANY) { 2373 error = EINVAL; 2374 SCTP_TCB_UNLOCK(stcb); 2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2376 break; 2377 } 2378 } else 2379 #endif 2380 #ifdef INET6 2381 if (addr->sa_family == AF_INET6) { 2382 struct sockaddr_in6 *sin6; 2383 2384 sin6 = (struct sockaddr_in6 *)addr; 2385 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2386 error = EINVAL; 2387 SCTP_TCB_UNLOCK(stcb); 2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2389 break; 2390 } 2391 } else 2392 #endif 2393 { 2394 error = EAFNOSUPPORT; 2395 SCTP_TCB_UNLOCK(stcb); 2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2397 break; 2398 } 2399 } 2400 2401 if (stcb != NULL) { 2402 /* Applies to the specific association */ 2403 paddrp->spp_flags = 0; 2404 if (net != NULL) { 2405 paddrp->spp_hbinterval = net->heart_beat_delay; 2406 paddrp->spp_pathmaxrxt = net->failure_threshold; 2407 paddrp->spp_pathmtu = net->mtu; 2408 switch (net->ro._l_addr.sa.sa_family) { 2409 #ifdef INET 2410 case AF_INET: 2411 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2412 break; 2413 #endif 2414 #ifdef INET6 2415 case AF_INET6: 2416 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2417 break; 2418 #endif 2419 default: 2420 break; 2421 } 2422 /* get flags for HB */ 2423 if (net->dest_state & SCTP_ADDR_NOHB) { 2424 paddrp->spp_flags |= SPP_HB_DISABLE; 2425 } else { 2426 paddrp->spp_flags |= SPP_HB_ENABLE; 2427 } 2428 /* get flags for PMTU */ 2429 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2430 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2431 } else { 2432 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2433 } 2434 if (net->dscp & 0x01) { 2435 paddrp->spp_dscp = net->dscp & 0xfc; 2436 paddrp->spp_flags |= SPP_DSCP; 2437 } 2438 #ifdef INET6 2439 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2440 (net->flowlabel & 0x80000000)) { 2441 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2442 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2443 } 2444 #endif 2445 } else { 2446 /* 2447 * No destination so return default 2448 * value 2449 */ 2450 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2451 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2452 if (stcb->asoc.default_dscp & 0x01) { 2453 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2454 paddrp->spp_flags |= SPP_DSCP; 2455 } 2456 #ifdef INET6 2457 if (stcb->asoc.default_flowlabel & 0x80000000) { 2458 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2459 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2460 } 2461 #endif 2462 /* default settings should be these */ 2463 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2464 paddrp->spp_flags |= SPP_HB_DISABLE; 2465 } else { 2466 paddrp->spp_flags |= SPP_HB_ENABLE; 2467 } 2468 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2469 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2470 } else { 2471 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2472 } 2473 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2474 } 2475 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2476 SCTP_TCB_UNLOCK(stcb); 2477 } else { 2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2480 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2481 /* Use endpoint defaults */ 2482 SCTP_INP_RLOCK(inp); 2483 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2484 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2485 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2486 /* get inp's default */ 2487 if (inp->sctp_ep.default_dscp & 0x01) { 2488 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2489 paddrp->spp_flags |= SPP_DSCP; 2490 } 2491 #ifdef INET6 2492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2493 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2494 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2495 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2496 } 2497 #endif 2498 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2499 2500 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2501 paddrp->spp_flags |= SPP_HB_ENABLE; 2502 } else { 2503 paddrp->spp_flags |= SPP_HB_DISABLE; 2504 } 2505 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2506 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2507 } else { 2508 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2509 } 2510 SCTP_INP_RUNLOCK(inp); 2511 } else { 2512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2513 error = EINVAL; 2514 } 2515 } 2516 if (error == 0) { 2517 *optsize = sizeof(struct sctp_paddrparams); 2518 } 2519 break; 2520 } 2521 case SCTP_GET_PEER_ADDR_INFO: 2522 { 2523 struct sctp_paddrinfo *paddri; 2524 struct sctp_nets *net; 2525 struct sockaddr *addr; 2526 #if defined(INET) && defined(INET6) 2527 struct sockaddr_in sin_store; 2528 #endif 2529 2530 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2531 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2532 2533 #if defined(INET) && defined(INET6) 2534 if (paddri->spinfo_address.ss_family == AF_INET6) { 2535 struct sockaddr_in6 *sin6; 2536 2537 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2538 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2539 in6_sin6_2_sin(&sin_store, sin6); 2540 addr = (struct sockaddr *)&sin_store; 2541 } else { 2542 addr = (struct sockaddr *)&paddri->spinfo_address; 2543 } 2544 } else { 2545 addr = (struct sockaddr *)&paddri->spinfo_address; 2546 } 2547 #else 2548 addr = (struct sockaddr *)&paddri->spinfo_address; 2549 #endif 2550 if (stcb != NULL) { 2551 net = sctp_findnet(stcb, addr); 2552 } else { 2553 /* 2554 * We increment here since 2555 * sctp_findassociation_ep_addr() wil do a 2556 * decrement if it finds the stcb as long as 2557 * the locked tcb (last argument) is NOT a 2558 * TCB.. aka NULL. 2559 */ 2560 net = NULL; 2561 SCTP_INP_INCR_REF(inp); 2562 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2563 if (stcb == NULL) { 2564 SCTP_INP_DECR_REF(inp); 2565 } 2566 } 2567 2568 if ((stcb != NULL) && (net != NULL)) { 2569 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2570 /* It's unconfirmed */ 2571 paddri->spinfo_state = SCTP_UNCONFIRMED; 2572 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2573 /* It's active */ 2574 paddri->spinfo_state = SCTP_ACTIVE; 2575 } else { 2576 /* It's inactive */ 2577 paddri->spinfo_state = SCTP_INACTIVE; 2578 } 2579 paddri->spinfo_cwnd = net->cwnd; 2580 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2581 paddri->spinfo_rto = net->RTO; 2582 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2583 paddri->spinfo_mtu = net->mtu; 2584 switch (addr->sa_family) { 2585 #if defined(INET) 2586 case AF_INET: 2587 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2588 break; 2589 #endif 2590 #if defined(INET6) 2591 case AF_INET6: 2592 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2593 break; 2594 #endif 2595 default: 2596 break; 2597 } 2598 SCTP_TCB_UNLOCK(stcb); 2599 *optsize = sizeof(struct sctp_paddrinfo); 2600 } else { 2601 if (stcb != NULL) { 2602 SCTP_TCB_UNLOCK(stcb); 2603 } 2604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2605 error = ENOENT; 2606 } 2607 break; 2608 } 2609 case SCTP_PCB_STATUS: 2610 { 2611 struct sctp_pcbinfo *spcb; 2612 2613 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2614 sctp_fill_pcbinfo(spcb); 2615 *optsize = sizeof(struct sctp_pcbinfo); 2616 break; 2617 } 2618 case SCTP_STATUS: 2619 { 2620 struct sctp_nets *net; 2621 struct sctp_status *sstat; 2622 2623 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2624 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2625 2626 if (stcb == NULL) { 2627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2628 error = EINVAL; 2629 break; 2630 } 2631 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2632 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2633 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2634 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2635 /* 2636 * We can't include chunks that have been passed to 2637 * the socket layer. Only things in queue. 2638 */ 2639 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2640 stcb->asoc.cnt_on_all_streams); 2641 2642 2643 sstat->sstat_instrms = stcb->asoc.streamincnt; 2644 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2645 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2646 memcpy(&sstat->sstat_primary.spinfo_address, 2647 &stcb->asoc.primary_destination->ro._l_addr, 2648 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2649 net = stcb->asoc.primary_destination; 2650 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2651 /* 2652 * Again the user can get info from sctp_constants.h 2653 * for what the state of the network is. 2654 */ 2655 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2656 /* It's unconfirmed */ 2657 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2658 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2659 /* It's active */ 2660 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2661 } else { 2662 /* It's inactive */ 2663 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2664 } 2665 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2666 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2667 sstat->sstat_primary.spinfo_rto = net->RTO; 2668 sstat->sstat_primary.spinfo_mtu = net->mtu; 2669 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2670 #if defined(INET) 2671 case AF_INET: 2672 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2673 break; 2674 #endif 2675 #if defined(INET6) 2676 case AF_INET6: 2677 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2678 break; 2679 #endif 2680 default: 2681 break; 2682 } 2683 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2684 SCTP_TCB_UNLOCK(stcb); 2685 *optsize = sizeof(struct sctp_status); 2686 break; 2687 } 2688 case SCTP_RTOINFO: 2689 { 2690 struct sctp_rtoinfo *srto; 2691 2692 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2693 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2694 2695 if (stcb) { 2696 srto->srto_initial = stcb->asoc.initial_rto; 2697 srto->srto_max = stcb->asoc.maxrto; 2698 srto->srto_min = stcb->asoc.minrto; 2699 SCTP_TCB_UNLOCK(stcb); 2700 } else { 2701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2703 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2704 SCTP_INP_RLOCK(inp); 2705 srto->srto_initial = inp->sctp_ep.initial_rto; 2706 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2707 srto->srto_min = inp->sctp_ep.sctp_minrto; 2708 SCTP_INP_RUNLOCK(inp); 2709 } else { 2710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2711 error = EINVAL; 2712 } 2713 } 2714 if (error == 0) { 2715 *optsize = sizeof(struct sctp_rtoinfo); 2716 } 2717 break; 2718 } 2719 case SCTP_TIMEOUTS: 2720 { 2721 struct sctp_timeouts *stimo; 2722 2723 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2724 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2725 2726 if (stcb) { 2727 stimo->stimo_init = stcb->asoc.timoinit; 2728 stimo->stimo_data = stcb->asoc.timodata; 2729 stimo->stimo_sack = stcb->asoc.timosack; 2730 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2731 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2732 stimo->stimo_cookie = stcb->asoc.timocookie; 2733 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2734 SCTP_TCB_UNLOCK(stcb); 2735 *optsize = sizeof(struct sctp_timeouts); 2736 } else { 2737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2738 error = EINVAL; 2739 } 2740 break; 2741 } 2742 case SCTP_ASSOCINFO: 2743 { 2744 struct sctp_assocparams *sasoc; 2745 2746 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2747 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2748 2749 if (stcb) { 2750 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2751 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2752 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2753 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2754 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2755 SCTP_TCB_UNLOCK(stcb); 2756 } else { 2757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2759 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2760 SCTP_INP_RLOCK(inp); 2761 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2762 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2763 sasoc->sasoc_number_peer_destinations = 0; 2764 sasoc->sasoc_peer_rwnd = 0; 2765 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2766 SCTP_INP_RUNLOCK(inp); 2767 } else { 2768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2769 error = EINVAL; 2770 } 2771 } 2772 if (error == 0) { 2773 *optsize = sizeof(struct sctp_assocparams); 2774 } 2775 break; 2776 } 2777 case SCTP_DEFAULT_SEND_PARAM: 2778 { 2779 struct sctp_sndrcvinfo *s_info; 2780 2781 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2782 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2783 2784 if (stcb) { 2785 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2786 SCTP_TCB_UNLOCK(stcb); 2787 } else { 2788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2790 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2791 SCTP_INP_RLOCK(inp); 2792 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2793 SCTP_INP_RUNLOCK(inp); 2794 } else { 2795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2796 error = EINVAL; 2797 } 2798 } 2799 if (error == 0) { 2800 *optsize = sizeof(struct sctp_sndrcvinfo); 2801 } 2802 break; 2803 } 2804 case SCTP_INITMSG: 2805 { 2806 struct sctp_initmsg *sinit; 2807 2808 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2809 SCTP_INP_RLOCK(inp); 2810 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2811 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2812 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2813 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2814 SCTP_INP_RUNLOCK(inp); 2815 *optsize = sizeof(struct sctp_initmsg); 2816 break; 2817 } 2818 case SCTP_PRIMARY_ADDR: 2819 /* we allow a "get" operation on this */ 2820 { 2821 struct sctp_setprim *ssp; 2822 2823 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2824 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2825 2826 if (stcb) { 2827 union sctp_sockstore *addr; 2828 2829 addr = &stcb->asoc.primary_destination->ro._l_addr; 2830 switch (addr->sa.sa_family) { 2831 #ifdef INET 2832 case AF_INET: 2833 #ifdef INET6 2834 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2835 in6_sin_2_v4mapsin6(&addr->sin, 2836 (struct sockaddr_in6 *)&ssp->ssp_addr); 2837 } else { 2838 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2839 } 2840 #else 2841 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2842 #endif 2843 break; 2844 #endif 2845 #ifdef INET6 2846 case AF_INET6: 2847 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2848 break; 2849 #endif 2850 default: 2851 break; 2852 } 2853 SCTP_TCB_UNLOCK(stcb); 2854 *optsize = sizeof(struct sctp_setprim); 2855 } else { 2856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2857 error = EINVAL; 2858 } 2859 break; 2860 } 2861 case SCTP_HMAC_IDENT: 2862 { 2863 struct sctp_hmacalgo *shmac; 2864 sctp_hmaclist_t *hmaclist; 2865 uint32_t size; 2866 int i; 2867 2868 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2869 2870 SCTP_INP_RLOCK(inp); 2871 hmaclist = inp->sctp_ep.local_hmacs; 2872 if (hmaclist == NULL) { 2873 /* no HMACs to return */ 2874 *optsize = sizeof(*shmac); 2875 SCTP_INP_RUNLOCK(inp); 2876 break; 2877 } 2878 /* is there room for all of the hmac ids? */ 2879 size = sizeof(*shmac) + (hmaclist->num_algo * 2880 sizeof(shmac->shmac_idents[0])); 2881 if ((size_t)(*optsize) < size) { 2882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2883 error = EINVAL; 2884 SCTP_INP_RUNLOCK(inp); 2885 break; 2886 } 2887 /* copy in the list */ 2888 shmac->shmac_number_of_idents = hmaclist->num_algo; 2889 for (i = 0; i < hmaclist->num_algo; i++) { 2890 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2891 } 2892 SCTP_INP_RUNLOCK(inp); 2893 *optsize = size; 2894 break; 2895 } 2896 case SCTP_AUTH_ACTIVE_KEY: 2897 { 2898 struct sctp_authkeyid *scact; 2899 2900 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2901 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2902 2903 if (stcb) { 2904 /* get the active key on the assoc */ 2905 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2906 SCTP_TCB_UNLOCK(stcb); 2907 } else { 2908 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2909 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2910 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2911 /* get the endpoint active key */ 2912 SCTP_INP_RLOCK(inp); 2913 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2914 SCTP_INP_RUNLOCK(inp); 2915 } else { 2916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2917 error = EINVAL; 2918 } 2919 } 2920 if (error == 0) { 2921 *optsize = sizeof(struct sctp_authkeyid); 2922 } 2923 break; 2924 } 2925 case SCTP_LOCAL_AUTH_CHUNKS: 2926 { 2927 struct sctp_authchunks *sac; 2928 sctp_auth_chklist_t *chklist = NULL; 2929 size_t size = 0; 2930 2931 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2932 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2933 2934 if (stcb) { 2935 /* get off the assoc */ 2936 chklist = stcb->asoc.local_auth_chunks; 2937 /* is there enough space? */ 2938 size = sctp_auth_get_chklist_size(chklist); 2939 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2940 error = EINVAL; 2941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2942 } else { 2943 /* copy in the chunks */ 2944 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2945 sac->gauth_number_of_chunks = (uint32_t)size; 2946 *optsize = sizeof(struct sctp_authchunks) + size; 2947 } 2948 SCTP_TCB_UNLOCK(stcb); 2949 } else { 2950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2952 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2953 /* get off the endpoint */ 2954 SCTP_INP_RLOCK(inp); 2955 chklist = inp->sctp_ep.local_auth_chunks; 2956 /* is there enough space? */ 2957 size = sctp_auth_get_chklist_size(chklist); 2958 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2959 error = EINVAL; 2960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2961 } else { 2962 /* copy in the chunks */ 2963 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2964 sac->gauth_number_of_chunks = (uint32_t)size; 2965 *optsize = sizeof(struct sctp_authchunks) + size; 2966 } 2967 SCTP_INP_RUNLOCK(inp); 2968 } else { 2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2970 error = EINVAL; 2971 } 2972 } 2973 break; 2974 } 2975 case SCTP_PEER_AUTH_CHUNKS: 2976 { 2977 struct sctp_authchunks *sac; 2978 sctp_auth_chklist_t *chklist = NULL; 2979 size_t size = 0; 2980 2981 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2982 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2983 2984 if (stcb) { 2985 /* get off the assoc */ 2986 chklist = stcb->asoc.peer_auth_chunks; 2987 /* is there enough space? */ 2988 size = sctp_auth_get_chklist_size(chklist); 2989 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2990 error = EINVAL; 2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2992 } else { 2993 /* copy in the chunks */ 2994 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2995 sac->gauth_number_of_chunks = (uint32_t)size; 2996 *optsize = sizeof(struct sctp_authchunks) + size; 2997 } 2998 SCTP_TCB_UNLOCK(stcb); 2999 } else { 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3001 error = ENOENT; 3002 } 3003 break; 3004 } 3005 case SCTP_EVENT: 3006 { 3007 struct sctp_event *event; 3008 uint32_t event_type; 3009 3010 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3011 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3012 3013 switch (event->se_type) { 3014 case SCTP_ASSOC_CHANGE: 3015 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3016 break; 3017 case SCTP_PEER_ADDR_CHANGE: 3018 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3019 break; 3020 case SCTP_REMOTE_ERROR: 3021 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3022 break; 3023 case SCTP_SEND_FAILED: 3024 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3025 break; 3026 case SCTP_SHUTDOWN_EVENT: 3027 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3028 break; 3029 case SCTP_ADAPTATION_INDICATION: 3030 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3031 break; 3032 case SCTP_PARTIAL_DELIVERY_EVENT: 3033 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3034 break; 3035 case SCTP_AUTHENTICATION_EVENT: 3036 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3037 break; 3038 case SCTP_STREAM_RESET_EVENT: 3039 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3040 break; 3041 case SCTP_SENDER_DRY_EVENT: 3042 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3043 break; 3044 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3045 event_type = 0; 3046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3047 error = ENOTSUP; 3048 break; 3049 case SCTP_ASSOC_RESET_EVENT: 3050 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3051 break; 3052 case SCTP_STREAM_CHANGE_EVENT: 3053 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3054 break; 3055 case SCTP_SEND_FAILED_EVENT: 3056 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3057 break; 3058 default: 3059 event_type = 0; 3060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3061 error = EINVAL; 3062 break; 3063 } 3064 if (event_type > 0) { 3065 if (stcb) { 3066 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3067 } else { 3068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3070 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3071 SCTP_INP_RLOCK(inp); 3072 event->se_on = sctp_is_feature_on(inp, event_type); 3073 SCTP_INP_RUNLOCK(inp); 3074 } else { 3075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3076 error = EINVAL; 3077 } 3078 } 3079 } 3080 if (stcb != NULL) { 3081 SCTP_TCB_UNLOCK(stcb); 3082 } 3083 if (error == 0) { 3084 *optsize = sizeof(struct sctp_event); 3085 } 3086 break; 3087 } 3088 case SCTP_RECVRCVINFO: 3089 { 3090 int onoff; 3091 3092 if (*optsize < sizeof(int)) { 3093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3094 error = EINVAL; 3095 } else { 3096 SCTP_INP_RLOCK(inp); 3097 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3098 SCTP_INP_RUNLOCK(inp); 3099 } 3100 if (error == 0) { 3101 /* return the option value */ 3102 *(int *)optval = onoff; 3103 *optsize = sizeof(int); 3104 } 3105 break; 3106 } 3107 case SCTP_RECVNXTINFO: 3108 { 3109 int onoff; 3110 3111 if (*optsize < sizeof(int)) { 3112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3113 error = EINVAL; 3114 } else { 3115 SCTP_INP_RLOCK(inp); 3116 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3117 SCTP_INP_RUNLOCK(inp); 3118 } 3119 if (error == 0) { 3120 /* return the option value */ 3121 *(int *)optval = onoff; 3122 *optsize = sizeof(int); 3123 } 3124 break; 3125 } 3126 case SCTP_DEFAULT_SNDINFO: 3127 { 3128 struct sctp_sndinfo *info; 3129 3130 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3131 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3132 3133 if (stcb) { 3134 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3135 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3136 info->snd_flags &= 0xfff0; 3137 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3138 info->snd_context = stcb->asoc.def_send.sinfo_context; 3139 SCTP_TCB_UNLOCK(stcb); 3140 } else { 3141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3142 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3143 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3144 SCTP_INP_RLOCK(inp); 3145 info->snd_sid = inp->def_send.sinfo_stream; 3146 info->snd_flags = inp->def_send.sinfo_flags; 3147 info->snd_flags &= 0xfff0; 3148 info->snd_ppid = inp->def_send.sinfo_ppid; 3149 info->snd_context = inp->def_send.sinfo_context; 3150 SCTP_INP_RUNLOCK(inp); 3151 } else { 3152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3153 error = EINVAL; 3154 } 3155 } 3156 if (error == 0) { 3157 *optsize = sizeof(struct sctp_sndinfo); 3158 } 3159 break; 3160 } 3161 case SCTP_DEFAULT_PRINFO: 3162 { 3163 struct sctp_default_prinfo *info; 3164 3165 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3166 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3167 3168 if (stcb) { 3169 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3170 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3171 SCTP_TCB_UNLOCK(stcb); 3172 } else { 3173 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3174 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3175 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3176 SCTP_INP_RLOCK(inp); 3177 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3178 info->pr_value = inp->def_send.sinfo_timetolive; 3179 SCTP_INP_RUNLOCK(inp); 3180 } else { 3181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3182 error = EINVAL; 3183 } 3184 } 3185 if (error == 0) { 3186 *optsize = sizeof(struct sctp_default_prinfo); 3187 } 3188 break; 3189 } 3190 case SCTP_PEER_ADDR_THLDS: 3191 { 3192 struct sctp_paddrthlds *thlds; 3193 struct sctp_nets *net; 3194 struct sockaddr *addr; 3195 #if defined(INET) && defined(INET6) 3196 struct sockaddr_in sin_store; 3197 #endif 3198 3199 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3200 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3201 3202 #if defined(INET) && defined(INET6) 3203 if (thlds->spt_address.ss_family == AF_INET6) { 3204 struct sockaddr_in6 *sin6; 3205 3206 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3207 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3208 in6_sin6_2_sin(&sin_store, sin6); 3209 addr = (struct sockaddr *)&sin_store; 3210 } else { 3211 addr = (struct sockaddr *)&thlds->spt_address; 3212 } 3213 } else { 3214 addr = (struct sockaddr *)&thlds->spt_address; 3215 } 3216 #else 3217 addr = (struct sockaddr *)&thlds->spt_address; 3218 #endif 3219 if (stcb != NULL) { 3220 net = sctp_findnet(stcb, addr); 3221 } else { 3222 /* 3223 * We increment here since 3224 * sctp_findassociation_ep_addr() wil do a 3225 * decrement if it finds the stcb as long as 3226 * the locked tcb (last argument) is NOT a 3227 * TCB.. aka NULL. 3228 */ 3229 net = NULL; 3230 SCTP_INP_INCR_REF(inp); 3231 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3232 if (stcb == NULL) { 3233 SCTP_INP_DECR_REF(inp); 3234 } 3235 } 3236 if ((stcb != NULL) && (net == NULL)) { 3237 #ifdef INET 3238 if (addr->sa_family == AF_INET) { 3239 struct sockaddr_in *sin; 3240 3241 sin = (struct sockaddr_in *)addr; 3242 if (sin->sin_addr.s_addr != INADDR_ANY) { 3243 error = EINVAL; 3244 SCTP_TCB_UNLOCK(stcb); 3245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3246 break; 3247 } 3248 } else 3249 #endif 3250 #ifdef INET6 3251 if (addr->sa_family == AF_INET6) { 3252 struct sockaddr_in6 *sin6; 3253 3254 sin6 = (struct sockaddr_in6 *)addr; 3255 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3256 error = EINVAL; 3257 SCTP_TCB_UNLOCK(stcb); 3258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3259 break; 3260 } 3261 } else 3262 #endif 3263 { 3264 error = EAFNOSUPPORT; 3265 SCTP_TCB_UNLOCK(stcb); 3266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3267 break; 3268 } 3269 } 3270 3271 if (stcb != NULL) { 3272 if (net != NULL) { 3273 thlds->spt_pathmaxrxt = net->failure_threshold; 3274 thlds->spt_pathpfthld = net->pf_threshold; 3275 thlds->spt_pathcpthld = 0xffff; 3276 } else { 3277 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3278 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3279 thlds->spt_pathcpthld = 0xffff; 3280 } 3281 thlds->spt_assoc_id = sctp_get_associd(stcb); 3282 SCTP_TCB_UNLOCK(stcb); 3283 } else { 3284 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3285 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3286 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3287 /* Use endpoint defaults */ 3288 SCTP_INP_RLOCK(inp); 3289 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3290 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3291 thlds->spt_pathcpthld = 0xffff; 3292 SCTP_INP_RUNLOCK(inp); 3293 } else { 3294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3295 error = EINVAL; 3296 } 3297 } 3298 if (error == 0) { 3299 *optsize = sizeof(struct sctp_paddrthlds); 3300 } 3301 break; 3302 } 3303 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3304 { 3305 struct sctp_udpencaps *encaps; 3306 struct sctp_nets *net; 3307 struct sockaddr *addr; 3308 #if defined(INET) && defined(INET6) 3309 struct sockaddr_in sin_store; 3310 #endif 3311 3312 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3313 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3314 3315 #if defined(INET) && defined(INET6) 3316 if (encaps->sue_address.ss_family == AF_INET6) { 3317 struct sockaddr_in6 *sin6; 3318 3319 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3320 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3321 in6_sin6_2_sin(&sin_store, sin6); 3322 addr = (struct sockaddr *)&sin_store; 3323 } else { 3324 addr = (struct sockaddr *)&encaps->sue_address; 3325 } 3326 } else { 3327 addr = (struct sockaddr *)&encaps->sue_address; 3328 } 3329 #else 3330 addr = (struct sockaddr *)&encaps->sue_address; 3331 #endif 3332 if (stcb) { 3333 net = sctp_findnet(stcb, addr); 3334 } else { 3335 /* 3336 * We increment here since 3337 * sctp_findassociation_ep_addr() wil do a 3338 * decrement if it finds the stcb as long as 3339 * the locked tcb (last argument) is NOT a 3340 * TCB.. aka NULL. 3341 */ 3342 net = NULL; 3343 SCTP_INP_INCR_REF(inp); 3344 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3345 if (stcb == NULL) { 3346 SCTP_INP_DECR_REF(inp); 3347 } 3348 } 3349 if ((stcb != NULL) && (net == NULL)) { 3350 #ifdef INET 3351 if (addr->sa_family == AF_INET) { 3352 struct sockaddr_in *sin; 3353 3354 sin = (struct sockaddr_in *)addr; 3355 if (sin->sin_addr.s_addr != INADDR_ANY) { 3356 error = EINVAL; 3357 SCTP_TCB_UNLOCK(stcb); 3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3359 break; 3360 } 3361 } else 3362 #endif 3363 #ifdef INET6 3364 if (addr->sa_family == AF_INET6) { 3365 struct sockaddr_in6 *sin6; 3366 3367 sin6 = (struct sockaddr_in6 *)addr; 3368 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3369 error = EINVAL; 3370 SCTP_TCB_UNLOCK(stcb); 3371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3372 break; 3373 } 3374 } else 3375 #endif 3376 { 3377 error = EAFNOSUPPORT; 3378 SCTP_TCB_UNLOCK(stcb); 3379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3380 break; 3381 } 3382 } 3383 3384 if (stcb != NULL) { 3385 if (net) { 3386 encaps->sue_port = net->port; 3387 } else { 3388 encaps->sue_port = stcb->asoc.port; 3389 } 3390 SCTP_TCB_UNLOCK(stcb); 3391 } else { 3392 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3393 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3394 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3395 SCTP_INP_RLOCK(inp); 3396 encaps->sue_port = inp->sctp_ep.port; 3397 SCTP_INP_RUNLOCK(inp); 3398 } else { 3399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3400 error = EINVAL; 3401 } 3402 } 3403 if (error == 0) { 3404 *optsize = sizeof(struct sctp_udpencaps); 3405 } 3406 break; 3407 } 3408 case SCTP_ECN_SUPPORTED: 3409 { 3410 struct sctp_assoc_value *av; 3411 3412 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3413 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3414 3415 if (stcb) { 3416 av->assoc_value = stcb->asoc.ecn_supported; 3417 SCTP_TCB_UNLOCK(stcb); 3418 } else { 3419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3420 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3421 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3422 SCTP_INP_RLOCK(inp); 3423 av->assoc_value = inp->ecn_supported; 3424 SCTP_INP_RUNLOCK(inp); 3425 } else { 3426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3427 error = EINVAL; 3428 } 3429 } 3430 if (error == 0) { 3431 *optsize = sizeof(struct sctp_assoc_value); 3432 } 3433 break; 3434 } 3435 case SCTP_PR_SUPPORTED: 3436 { 3437 struct sctp_assoc_value *av; 3438 3439 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3440 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3441 3442 if (stcb) { 3443 av->assoc_value = stcb->asoc.prsctp_supported; 3444 SCTP_TCB_UNLOCK(stcb); 3445 } else { 3446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3447 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3448 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3449 SCTP_INP_RLOCK(inp); 3450 av->assoc_value = inp->prsctp_supported; 3451 SCTP_INP_RUNLOCK(inp); 3452 } else { 3453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3454 error = EINVAL; 3455 } 3456 } 3457 if (error == 0) { 3458 *optsize = sizeof(struct sctp_assoc_value); 3459 } 3460 break; 3461 } 3462 case SCTP_AUTH_SUPPORTED: 3463 { 3464 struct sctp_assoc_value *av; 3465 3466 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3467 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3468 3469 if (stcb) { 3470 av->assoc_value = stcb->asoc.auth_supported; 3471 SCTP_TCB_UNLOCK(stcb); 3472 } else { 3473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3474 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3475 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3476 SCTP_INP_RLOCK(inp); 3477 av->assoc_value = inp->auth_supported; 3478 SCTP_INP_RUNLOCK(inp); 3479 } else { 3480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3481 error = EINVAL; 3482 } 3483 } 3484 if (error == 0) { 3485 *optsize = sizeof(struct sctp_assoc_value); 3486 } 3487 break; 3488 } 3489 case SCTP_ASCONF_SUPPORTED: 3490 { 3491 struct sctp_assoc_value *av; 3492 3493 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3494 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3495 3496 if (stcb) { 3497 av->assoc_value = stcb->asoc.asconf_supported; 3498 SCTP_TCB_UNLOCK(stcb); 3499 } else { 3500 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3501 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3502 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3503 SCTP_INP_RLOCK(inp); 3504 av->assoc_value = inp->asconf_supported; 3505 SCTP_INP_RUNLOCK(inp); 3506 } else { 3507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3508 error = EINVAL; 3509 } 3510 } 3511 if (error == 0) { 3512 *optsize = sizeof(struct sctp_assoc_value); 3513 } 3514 break; 3515 } 3516 case SCTP_RECONFIG_SUPPORTED: 3517 { 3518 struct sctp_assoc_value *av; 3519 3520 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3521 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3522 3523 if (stcb) { 3524 av->assoc_value = stcb->asoc.reconfig_supported; 3525 SCTP_TCB_UNLOCK(stcb); 3526 } else { 3527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3528 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3529 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3530 SCTP_INP_RLOCK(inp); 3531 av->assoc_value = inp->reconfig_supported; 3532 SCTP_INP_RUNLOCK(inp); 3533 } else { 3534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3535 error = EINVAL; 3536 } 3537 } 3538 if (error == 0) { 3539 *optsize = sizeof(struct sctp_assoc_value); 3540 } 3541 break; 3542 } 3543 case SCTP_NRSACK_SUPPORTED: 3544 { 3545 struct sctp_assoc_value *av; 3546 3547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3548 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3549 3550 if (stcb) { 3551 av->assoc_value = stcb->asoc.nrsack_supported; 3552 SCTP_TCB_UNLOCK(stcb); 3553 } else { 3554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3556 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3557 SCTP_INP_RLOCK(inp); 3558 av->assoc_value = inp->nrsack_supported; 3559 SCTP_INP_RUNLOCK(inp); 3560 } else { 3561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3562 error = EINVAL; 3563 } 3564 } 3565 if (error == 0) { 3566 *optsize = sizeof(struct sctp_assoc_value); 3567 } 3568 break; 3569 } 3570 case SCTP_PKTDROP_SUPPORTED: 3571 { 3572 struct sctp_assoc_value *av; 3573 3574 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3575 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3576 3577 if (stcb) { 3578 av->assoc_value = stcb->asoc.pktdrop_supported; 3579 SCTP_TCB_UNLOCK(stcb); 3580 } else { 3581 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3582 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3583 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3584 SCTP_INP_RLOCK(inp); 3585 av->assoc_value = inp->pktdrop_supported; 3586 SCTP_INP_RUNLOCK(inp); 3587 } else { 3588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3589 error = EINVAL; 3590 } 3591 } 3592 if (error == 0) { 3593 *optsize = sizeof(struct sctp_assoc_value); 3594 } 3595 break; 3596 } 3597 case SCTP_ENABLE_STREAM_RESET: 3598 { 3599 struct sctp_assoc_value *av; 3600 3601 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3602 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3603 3604 if (stcb) { 3605 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3606 SCTP_TCB_UNLOCK(stcb); 3607 } else { 3608 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3609 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3610 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3611 SCTP_INP_RLOCK(inp); 3612 av->assoc_value = (uint32_t)inp->local_strreset_support; 3613 SCTP_INP_RUNLOCK(inp); 3614 } else { 3615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3616 error = EINVAL; 3617 } 3618 } 3619 if (error == 0) { 3620 *optsize = sizeof(struct sctp_assoc_value); 3621 } 3622 break; 3623 } 3624 case SCTP_PR_STREAM_STATUS: 3625 { 3626 struct sctp_prstatus *sprstat; 3627 uint16_t sid; 3628 uint16_t policy; 3629 3630 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3631 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3632 3633 sid = sprstat->sprstat_sid; 3634 policy = sprstat->sprstat_policy; 3635 #if defined(SCTP_DETAILED_STR_STATS) 3636 if ((stcb != NULL) && 3637 (sid < stcb->asoc.streamoutcnt) && 3638 (policy != SCTP_PR_SCTP_NONE) && 3639 ((policy <= SCTP_PR_SCTP_MAX) || 3640 (policy == SCTP_PR_SCTP_ALL))) { 3641 if (policy == SCTP_PR_SCTP_ALL) { 3642 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3643 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3644 } else { 3645 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3646 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3647 } 3648 #else 3649 if ((stcb != NULL) && 3650 (sid < stcb->asoc.streamoutcnt) && 3651 (policy == SCTP_PR_SCTP_ALL)) { 3652 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3653 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3654 #endif 3655 } else { 3656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3657 error = EINVAL; 3658 } 3659 if (stcb != NULL) { 3660 SCTP_TCB_UNLOCK(stcb); 3661 } 3662 if (error == 0) { 3663 *optsize = sizeof(struct sctp_prstatus); 3664 } 3665 break; 3666 } 3667 case SCTP_PR_ASSOC_STATUS: 3668 { 3669 struct sctp_prstatus *sprstat; 3670 uint16_t policy; 3671 3672 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3673 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3674 3675 policy = sprstat->sprstat_policy; 3676 if ((stcb != NULL) && 3677 (policy != SCTP_PR_SCTP_NONE) && 3678 ((policy <= SCTP_PR_SCTP_MAX) || 3679 (policy == SCTP_PR_SCTP_ALL))) { 3680 if (policy == SCTP_PR_SCTP_ALL) { 3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3682 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3683 } else { 3684 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3685 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3686 } 3687 } else { 3688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3689 error = EINVAL; 3690 } 3691 if (stcb != NULL) { 3692 SCTP_TCB_UNLOCK(stcb); 3693 } 3694 if (error == 0) { 3695 *optsize = sizeof(struct sctp_prstatus); 3696 } 3697 break; 3698 } 3699 case SCTP_MAX_CWND: 3700 { 3701 struct sctp_assoc_value *av; 3702 3703 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3704 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3705 3706 if (stcb) { 3707 av->assoc_value = stcb->asoc.max_cwnd; 3708 SCTP_TCB_UNLOCK(stcb); 3709 } else { 3710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3712 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3713 SCTP_INP_RLOCK(inp); 3714 av->assoc_value = inp->max_cwnd; 3715 SCTP_INP_RUNLOCK(inp); 3716 } else { 3717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3718 error = EINVAL; 3719 } 3720 } 3721 if (error == 0) { 3722 *optsize = sizeof(struct sctp_assoc_value); 3723 } 3724 break; 3725 } 3726 default: 3727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3728 error = ENOPROTOOPT; 3729 break; 3730 } /* end switch (sopt->sopt_name) */ 3731 if (error) { 3732 *optsize = 0; 3733 } 3734 return (error); 3735 } 3736 3737 static int 3738 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3739 void *p) 3740 { 3741 int error, set_opt; 3742 uint32_t *mopt; 3743 struct sctp_tcb *stcb = NULL; 3744 struct sctp_inpcb *inp = NULL; 3745 uint32_t vrf_id; 3746 3747 if (optval == NULL) { 3748 SCTP_PRINTF("optval is NULL\n"); 3749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3750 return (EINVAL); 3751 } 3752 inp = (struct sctp_inpcb *)so->so_pcb; 3753 if (inp == NULL) { 3754 SCTP_PRINTF("inp is NULL?\n"); 3755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3756 return (EINVAL); 3757 } 3758 vrf_id = inp->def_vrf_id; 3759 3760 error = 0; 3761 switch (optname) { 3762 case SCTP_NODELAY: 3763 case SCTP_AUTOCLOSE: 3764 case SCTP_AUTO_ASCONF: 3765 case SCTP_EXPLICIT_EOR: 3766 case SCTP_DISABLE_FRAGMENTS: 3767 case SCTP_USE_EXT_RCVINFO: 3768 case SCTP_I_WANT_MAPPED_V4_ADDR: 3769 /* copy in the option value */ 3770 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3771 set_opt = 0; 3772 if (error) 3773 break; 3774 switch (optname) { 3775 case SCTP_DISABLE_FRAGMENTS: 3776 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3777 break; 3778 case SCTP_AUTO_ASCONF: 3779 /* 3780 * NOTE: we don't really support this flag 3781 */ 3782 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3783 /* only valid for bound all sockets */ 3784 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3785 (*mopt != 0)) { 3786 /* forbidden by admin */ 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3788 return (EPERM); 3789 } 3790 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3791 } else { 3792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3793 return (EINVAL); 3794 } 3795 break; 3796 case SCTP_EXPLICIT_EOR: 3797 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3798 break; 3799 case SCTP_USE_EXT_RCVINFO: 3800 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3801 break; 3802 case SCTP_I_WANT_MAPPED_V4_ADDR: 3803 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3804 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3805 } else { 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3807 return (EINVAL); 3808 } 3809 break; 3810 case SCTP_NODELAY: 3811 set_opt = SCTP_PCB_FLAGS_NODELAY; 3812 break; 3813 case SCTP_AUTOCLOSE: 3814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3815 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3817 return (EINVAL); 3818 } 3819 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3820 /* 3821 * The value is in ticks. Note this does not effect 3822 * old associations, only new ones. 3823 */ 3824 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3825 break; 3826 } 3827 SCTP_INP_WLOCK(inp); 3828 if (*mopt != 0) { 3829 sctp_feature_on(inp, set_opt); 3830 } else { 3831 sctp_feature_off(inp, set_opt); 3832 } 3833 SCTP_INP_WUNLOCK(inp); 3834 break; 3835 case SCTP_REUSE_PORT: 3836 { 3837 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3838 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3839 /* Can't set it after we are bound */ 3840 error = EINVAL; 3841 break; 3842 } 3843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3844 /* Can't do this for a 1-m socket */ 3845 error = EINVAL; 3846 break; 3847 } 3848 if (optval) 3849 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3850 else 3851 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3852 break; 3853 } 3854 case SCTP_PARTIAL_DELIVERY_POINT: 3855 { 3856 uint32_t *value; 3857 3858 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3859 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3861 error = EINVAL; 3862 break; 3863 } 3864 inp->partial_delivery_point = *value; 3865 break; 3866 } 3867 case SCTP_FRAGMENT_INTERLEAVE: 3868 /* not yet until we re-write sctp_recvmsg() */ 3869 { 3870 uint32_t *level; 3871 3872 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3873 if (*level == SCTP_FRAG_LEVEL_2) { 3874 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3876 } else if (*level == SCTP_FRAG_LEVEL_1) { 3877 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 } else if (*level == SCTP_FRAG_LEVEL_0) { 3880 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3882 3883 } else { 3884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3885 error = EINVAL; 3886 } 3887 break; 3888 } 3889 case SCTP_INTERLEAVING_SUPPORTED: 3890 { 3891 struct sctp_assoc_value *av; 3892 3893 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3894 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3895 3896 if (stcb) { 3897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3898 error = EINVAL; 3899 SCTP_TCB_UNLOCK(stcb); 3900 } else { 3901 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3902 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3903 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3904 SCTP_INP_WLOCK(inp); 3905 if (av->assoc_value == 0) { 3906 inp->idata_supported = 0; 3907 } else { 3908 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3909 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3910 inp->idata_supported = 1; 3911 } else { 3912 /* 3913 * Must have Frag 3914 * interleave and 3915 * stream interleave 3916 * on 3917 */ 3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3919 error = EINVAL; 3920 } 3921 } 3922 SCTP_INP_WUNLOCK(inp); 3923 } else { 3924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3925 error = EINVAL; 3926 } 3927 } 3928 break; 3929 } 3930 case SCTP_CMT_ON_OFF: 3931 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3932 struct sctp_assoc_value *av; 3933 3934 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3935 if (av->assoc_value > SCTP_CMT_MAX) { 3936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3937 error = EINVAL; 3938 break; 3939 } 3940 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3941 if (stcb) { 3942 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3943 SCTP_TCB_UNLOCK(stcb); 3944 } else { 3945 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3946 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3947 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3948 (av->assoc_id == SCTP_ALL_ASSOC)) { 3949 SCTP_INP_WLOCK(inp); 3950 inp->sctp_cmt_on_off = av->assoc_value; 3951 SCTP_INP_WUNLOCK(inp); 3952 } 3953 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3954 (av->assoc_id == SCTP_ALL_ASSOC)) { 3955 SCTP_INP_RLOCK(inp); 3956 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3957 SCTP_TCB_LOCK(stcb); 3958 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3959 SCTP_TCB_UNLOCK(stcb); 3960 } 3961 SCTP_INP_RUNLOCK(inp); 3962 } 3963 } 3964 } else { 3965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3966 error = ENOPROTOOPT; 3967 } 3968 break; 3969 case SCTP_PLUGGABLE_CC: 3970 { 3971 struct sctp_assoc_value *av; 3972 struct sctp_nets *net; 3973 3974 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3975 if ((av->assoc_value != SCTP_CC_RFC2581) && 3976 (av->assoc_value != SCTP_CC_HSTCP) && 3977 (av->assoc_value != SCTP_CC_HTCP) && 3978 (av->assoc_value != SCTP_CC_RTCC)) { 3979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3980 error = EINVAL; 3981 break; 3982 } 3983 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3984 if (stcb) { 3985 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3986 stcb->asoc.congestion_control_module = av->assoc_value; 3987 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3988 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3989 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3990 } 3991 } 3992 SCTP_TCB_UNLOCK(stcb); 3993 } else { 3994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3996 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3997 (av->assoc_id == SCTP_ALL_ASSOC)) { 3998 SCTP_INP_WLOCK(inp); 3999 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4000 SCTP_INP_WUNLOCK(inp); 4001 } 4002 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4003 (av->assoc_id == SCTP_ALL_ASSOC)) { 4004 SCTP_INP_RLOCK(inp); 4005 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4006 SCTP_TCB_LOCK(stcb); 4007 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4008 stcb->asoc.congestion_control_module = av->assoc_value; 4009 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4010 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4011 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4012 } 4013 } 4014 SCTP_TCB_UNLOCK(stcb); 4015 } 4016 SCTP_INP_RUNLOCK(inp); 4017 } 4018 } 4019 break; 4020 } 4021 case SCTP_CC_OPTION: 4022 { 4023 struct sctp_cc_option *cc_opt; 4024 4025 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4026 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4027 if (stcb == NULL) { 4028 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4029 SCTP_INP_RLOCK(inp); 4030 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4031 SCTP_TCB_LOCK(stcb); 4032 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4033 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4034 } 4035 SCTP_TCB_UNLOCK(stcb); 4036 } 4037 SCTP_INP_RUNLOCK(inp); 4038 } else { 4039 error = EINVAL; 4040 } 4041 } else { 4042 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4043 error = ENOTSUP; 4044 } else { 4045 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4046 cc_opt); 4047 } 4048 SCTP_TCB_UNLOCK(stcb); 4049 } 4050 break; 4051 } 4052 case SCTP_PLUGGABLE_SS: 4053 { 4054 struct sctp_assoc_value *av; 4055 4056 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4057 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4058 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4059 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4060 (av->assoc_value != SCTP_SS_PRIORITY) && 4061 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4062 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4064 error = EINVAL; 4065 break; 4066 } 4067 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4068 if (stcb) { 4069 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4070 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4071 stcb->asoc.stream_scheduling_module = av->assoc_value; 4072 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4073 SCTP_TCB_UNLOCK(stcb); 4074 } else { 4075 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4076 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4077 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4078 (av->assoc_id == SCTP_ALL_ASSOC)) { 4079 SCTP_INP_WLOCK(inp); 4080 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4081 SCTP_INP_WUNLOCK(inp); 4082 } 4083 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4084 (av->assoc_id == SCTP_ALL_ASSOC)) { 4085 SCTP_INP_RLOCK(inp); 4086 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4087 SCTP_TCB_LOCK(stcb); 4088 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4089 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4090 stcb->asoc.stream_scheduling_module = av->assoc_value; 4091 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4092 SCTP_TCB_UNLOCK(stcb); 4093 } 4094 SCTP_INP_RUNLOCK(inp); 4095 } 4096 } 4097 break; 4098 } 4099 case SCTP_SS_VALUE: 4100 { 4101 struct sctp_stream_value *av; 4102 4103 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4104 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4105 if (stcb) { 4106 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4107 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4108 av->stream_value) < 0)) { 4109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4110 error = EINVAL; 4111 } 4112 SCTP_TCB_UNLOCK(stcb); 4113 } else { 4114 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4115 SCTP_INP_RLOCK(inp); 4116 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4117 SCTP_TCB_LOCK(stcb); 4118 if (av->stream_id < stcb->asoc.streamoutcnt) { 4119 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4120 &stcb->asoc, 4121 &stcb->asoc.strmout[av->stream_id], 4122 av->stream_value); 4123 } 4124 SCTP_TCB_UNLOCK(stcb); 4125 } 4126 SCTP_INP_RUNLOCK(inp); 4127 } else { 4128 /* 4129 * Can't set stream value without 4130 * association 4131 */ 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4133 error = EINVAL; 4134 } 4135 } 4136 break; 4137 } 4138 case SCTP_CLR_STAT_LOG: 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4140 error = EOPNOTSUPP; 4141 break; 4142 case SCTP_CONTEXT: 4143 { 4144 struct sctp_assoc_value *av; 4145 4146 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4147 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4148 4149 if (stcb) { 4150 stcb->asoc.context = av->assoc_value; 4151 SCTP_TCB_UNLOCK(stcb); 4152 } else { 4153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4154 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4155 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4156 (av->assoc_id == SCTP_ALL_ASSOC)) { 4157 SCTP_INP_WLOCK(inp); 4158 inp->sctp_context = av->assoc_value; 4159 SCTP_INP_WUNLOCK(inp); 4160 } 4161 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4162 (av->assoc_id == SCTP_ALL_ASSOC)) { 4163 SCTP_INP_RLOCK(inp); 4164 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4165 SCTP_TCB_LOCK(stcb); 4166 stcb->asoc.context = av->assoc_value; 4167 SCTP_TCB_UNLOCK(stcb); 4168 } 4169 SCTP_INP_RUNLOCK(inp); 4170 } 4171 } 4172 break; 4173 } 4174 case SCTP_VRF_ID: 4175 { 4176 uint32_t *default_vrfid; 4177 4178 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4179 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4181 error = EINVAL; 4182 break; 4183 } 4184 inp->def_vrf_id = *default_vrfid; 4185 break; 4186 } 4187 case SCTP_DEL_VRF_ID: 4188 { 4189 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4190 error = EOPNOTSUPP; 4191 break; 4192 } 4193 case SCTP_ADD_VRF_ID: 4194 { 4195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4196 error = EOPNOTSUPP; 4197 break; 4198 } 4199 case SCTP_DELAYED_SACK: 4200 { 4201 struct sctp_sack_info *sack; 4202 4203 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4204 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4205 if (sack->sack_delay) { 4206 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4207 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4208 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4209 sack->sack_delay = TICKS_TO_MSEC(1); 4210 } 4211 } 4212 if (stcb) { 4213 if (sack->sack_delay) { 4214 stcb->asoc.delayed_ack = sack->sack_delay; 4215 } 4216 if (sack->sack_freq) { 4217 stcb->asoc.sack_freq = sack->sack_freq; 4218 } 4219 SCTP_TCB_UNLOCK(stcb); 4220 } else { 4221 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4222 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4223 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4224 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4225 SCTP_INP_WLOCK(inp); 4226 if (sack->sack_delay) { 4227 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4228 } 4229 if (sack->sack_freq) { 4230 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4231 } 4232 SCTP_INP_WUNLOCK(inp); 4233 } 4234 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4235 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4236 SCTP_INP_RLOCK(inp); 4237 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4238 SCTP_TCB_LOCK(stcb); 4239 if (sack->sack_delay) { 4240 stcb->asoc.delayed_ack = sack->sack_delay; 4241 } 4242 if (sack->sack_freq) { 4243 stcb->asoc.sack_freq = sack->sack_freq; 4244 } 4245 SCTP_TCB_UNLOCK(stcb); 4246 } 4247 SCTP_INP_RUNLOCK(inp); 4248 } 4249 } 4250 break; 4251 } 4252 case SCTP_AUTH_CHUNK: 4253 { 4254 struct sctp_authchunk *sauth; 4255 4256 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4257 4258 SCTP_INP_WLOCK(inp); 4259 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4261 error = EINVAL; 4262 } else { 4263 inp->auth_supported = 1; 4264 } 4265 SCTP_INP_WUNLOCK(inp); 4266 break; 4267 } 4268 case SCTP_AUTH_KEY: 4269 { 4270 struct sctp_authkey *sca; 4271 struct sctp_keyhead *shared_keys; 4272 sctp_sharedkey_t *shared_key; 4273 sctp_key_t *key = NULL; 4274 size_t size; 4275 4276 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4277 if (sca->sca_keylength == 0) { 4278 size = optsize - sizeof(struct sctp_authkey); 4279 } else { 4280 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4281 size = sca->sca_keylength; 4282 } else { 4283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4284 error = EINVAL; 4285 break; 4286 } 4287 } 4288 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4289 4290 if (stcb) { 4291 shared_keys = &stcb->asoc.shared_keys; 4292 /* clear the cached keys for this key id */ 4293 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4294 /* 4295 * create the new shared key and 4296 * insert/replace it 4297 */ 4298 if (size > 0) { 4299 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4300 if (key == NULL) { 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4302 error = ENOMEM; 4303 SCTP_TCB_UNLOCK(stcb); 4304 break; 4305 } 4306 } 4307 shared_key = sctp_alloc_sharedkey(); 4308 if (shared_key == NULL) { 4309 sctp_free_key(key); 4310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4311 error = ENOMEM; 4312 SCTP_TCB_UNLOCK(stcb); 4313 break; 4314 } 4315 shared_key->key = key; 4316 shared_key->keyid = sca->sca_keynumber; 4317 error = sctp_insert_sharedkey(shared_keys, shared_key); 4318 SCTP_TCB_UNLOCK(stcb); 4319 } else { 4320 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4321 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4322 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4323 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4324 SCTP_INP_WLOCK(inp); 4325 shared_keys = &inp->sctp_ep.shared_keys; 4326 /* 4327 * clear the cached keys on all 4328 * assocs for this key id 4329 */ 4330 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4331 /* 4332 * create the new shared key and 4333 * insert/replace it 4334 */ 4335 if (size > 0) { 4336 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4337 if (key == NULL) { 4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4339 error = ENOMEM; 4340 SCTP_INP_WUNLOCK(inp); 4341 break; 4342 } 4343 } 4344 shared_key = sctp_alloc_sharedkey(); 4345 if (shared_key == NULL) { 4346 sctp_free_key(key); 4347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4348 error = ENOMEM; 4349 SCTP_INP_WUNLOCK(inp); 4350 break; 4351 } 4352 shared_key->key = key; 4353 shared_key->keyid = sca->sca_keynumber; 4354 error = sctp_insert_sharedkey(shared_keys, shared_key); 4355 SCTP_INP_WUNLOCK(inp); 4356 } 4357 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4358 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4359 SCTP_INP_RLOCK(inp); 4360 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4361 SCTP_TCB_LOCK(stcb); 4362 shared_keys = &stcb->asoc.shared_keys; 4363 /* 4364 * clear the cached keys for 4365 * this key id 4366 */ 4367 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4368 /* 4369 * create the new shared key 4370 * and insert/replace it 4371 */ 4372 if (size > 0) { 4373 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4374 if (key == NULL) { 4375 SCTP_TCB_UNLOCK(stcb); 4376 continue; 4377 } 4378 } 4379 shared_key = sctp_alloc_sharedkey(); 4380 if (shared_key == NULL) { 4381 sctp_free_key(key); 4382 SCTP_TCB_UNLOCK(stcb); 4383 continue; 4384 } 4385 shared_key->key = key; 4386 shared_key->keyid = sca->sca_keynumber; 4387 error = sctp_insert_sharedkey(shared_keys, shared_key); 4388 SCTP_TCB_UNLOCK(stcb); 4389 } 4390 SCTP_INP_RUNLOCK(inp); 4391 } 4392 } 4393 break; 4394 } 4395 case SCTP_HMAC_IDENT: 4396 { 4397 struct sctp_hmacalgo *shmac; 4398 sctp_hmaclist_t *hmaclist; 4399 uint16_t hmacid; 4400 uint32_t i; 4401 4402 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4403 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4404 (shmac->shmac_number_of_idents > 0xffff)) { 4405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4406 error = EINVAL; 4407 break; 4408 } 4409 4410 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4411 if (hmaclist == NULL) { 4412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4413 error = ENOMEM; 4414 break; 4415 } 4416 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4417 hmacid = shmac->shmac_idents[i]; 4418 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4419 /* invalid HMACs were found */ ; 4420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4421 error = EINVAL; 4422 sctp_free_hmaclist(hmaclist); 4423 goto sctp_set_hmac_done; 4424 } 4425 } 4426 for (i = 0; i < hmaclist->num_algo; i++) { 4427 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4428 /* already in list */ 4429 break; 4430 } 4431 } 4432 if (i == hmaclist->num_algo) { 4433 /* not found in list */ 4434 sctp_free_hmaclist(hmaclist); 4435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4436 error = EINVAL; 4437 break; 4438 } 4439 /* set it on the endpoint */ 4440 SCTP_INP_WLOCK(inp); 4441 if (inp->sctp_ep.local_hmacs) 4442 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4443 inp->sctp_ep.local_hmacs = hmaclist; 4444 SCTP_INP_WUNLOCK(inp); 4445 sctp_set_hmac_done: 4446 break; 4447 } 4448 case SCTP_AUTH_ACTIVE_KEY: 4449 { 4450 struct sctp_authkeyid *scact; 4451 4452 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4453 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4454 4455 /* set the active key on the right place */ 4456 if (stcb) { 4457 /* set the active key on the assoc */ 4458 if (sctp_auth_setactivekey(stcb, 4459 scact->scact_keynumber)) { 4460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4461 SCTP_FROM_SCTP_USRREQ, 4462 EINVAL); 4463 error = EINVAL; 4464 } 4465 SCTP_TCB_UNLOCK(stcb); 4466 } else { 4467 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4468 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4469 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4470 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4471 SCTP_INP_WLOCK(inp); 4472 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4474 error = EINVAL; 4475 } 4476 SCTP_INP_WUNLOCK(inp); 4477 } 4478 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4479 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4480 SCTP_INP_RLOCK(inp); 4481 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4482 SCTP_TCB_LOCK(stcb); 4483 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4484 SCTP_TCB_UNLOCK(stcb); 4485 } 4486 SCTP_INP_RUNLOCK(inp); 4487 } 4488 } 4489 break; 4490 } 4491 case SCTP_AUTH_DELETE_KEY: 4492 { 4493 struct sctp_authkeyid *scdel; 4494 4495 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4496 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4497 4498 /* delete the key from the right place */ 4499 if (stcb) { 4500 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4502 error = EINVAL; 4503 } 4504 SCTP_TCB_UNLOCK(stcb); 4505 } else { 4506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4508 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4509 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4510 SCTP_INP_WLOCK(inp); 4511 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4513 error = EINVAL; 4514 } 4515 SCTP_INP_WUNLOCK(inp); 4516 } 4517 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4518 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4519 SCTP_INP_RLOCK(inp); 4520 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4521 SCTP_TCB_LOCK(stcb); 4522 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4523 SCTP_TCB_UNLOCK(stcb); 4524 } 4525 SCTP_INP_RUNLOCK(inp); 4526 } 4527 } 4528 break; 4529 } 4530 case SCTP_AUTH_DEACTIVATE_KEY: 4531 { 4532 struct sctp_authkeyid *keyid; 4533 4534 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4535 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4536 4537 /* deactivate the key from the right place */ 4538 if (stcb) { 4539 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4541 error = EINVAL; 4542 } 4543 SCTP_TCB_UNLOCK(stcb); 4544 } else { 4545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4547 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4548 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4549 SCTP_INP_WLOCK(inp); 4550 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4552 error = EINVAL; 4553 } 4554 SCTP_INP_WUNLOCK(inp); 4555 } 4556 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4557 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4558 SCTP_INP_RLOCK(inp); 4559 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4560 SCTP_TCB_LOCK(stcb); 4561 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4562 SCTP_TCB_UNLOCK(stcb); 4563 } 4564 SCTP_INP_RUNLOCK(inp); 4565 } 4566 } 4567 break; 4568 } 4569 case SCTP_ENABLE_STREAM_RESET: 4570 { 4571 struct sctp_assoc_value *av; 4572 4573 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4574 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4576 error = EINVAL; 4577 break; 4578 } 4579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4580 if (stcb) { 4581 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4582 SCTP_TCB_UNLOCK(stcb); 4583 } else { 4584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4586 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4587 (av->assoc_id == SCTP_ALL_ASSOC)) { 4588 SCTP_INP_WLOCK(inp); 4589 inp->local_strreset_support = (uint8_t)av->assoc_value; 4590 SCTP_INP_WUNLOCK(inp); 4591 } 4592 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4593 (av->assoc_id == SCTP_ALL_ASSOC)) { 4594 SCTP_INP_RLOCK(inp); 4595 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4596 SCTP_TCB_LOCK(stcb); 4597 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4598 SCTP_TCB_UNLOCK(stcb); 4599 } 4600 SCTP_INP_RUNLOCK(inp); 4601 } 4602 4603 } 4604 break; 4605 } 4606 case SCTP_RESET_STREAMS: 4607 { 4608 struct sctp_reset_streams *strrst; 4609 int i, send_out = 0; 4610 int send_in = 0; 4611 4612 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4613 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4614 if (stcb == NULL) { 4615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4616 error = ENOENT; 4617 break; 4618 } 4619 if (stcb->asoc.reconfig_supported == 0) { 4620 /* 4621 * Peer does not support the chunk type. 4622 */ 4623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4624 error = EOPNOTSUPP; 4625 SCTP_TCB_UNLOCK(stcb); 4626 break; 4627 } 4628 if (sizeof(struct sctp_reset_streams) + 4629 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4630 error = EINVAL; 4631 SCTP_TCB_UNLOCK(stcb); 4632 break; 4633 } 4634 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4635 send_in = 1; 4636 if (stcb->asoc.stream_reset_outstanding) { 4637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4638 error = EALREADY; 4639 SCTP_TCB_UNLOCK(stcb); 4640 break; 4641 } 4642 } 4643 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4644 send_out = 1; 4645 } 4646 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4648 error = ENOMEM; 4649 SCTP_TCB_UNLOCK(stcb); 4650 break; 4651 } 4652 if ((send_in == 0) && (send_out == 0)) { 4653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4654 error = EINVAL; 4655 SCTP_TCB_UNLOCK(stcb); 4656 break; 4657 } 4658 for (i = 0; i < strrst->srs_number_streams; i++) { 4659 if ((send_in) && 4660 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4662 error = EINVAL; 4663 break; 4664 } 4665 if ((send_out) && 4666 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4668 error = EINVAL; 4669 break; 4670 } 4671 } 4672 if (error) { 4673 SCTP_TCB_UNLOCK(stcb); 4674 break; 4675 } 4676 if (send_out) { 4677 int cnt; 4678 uint16_t strm; 4679 4680 if (strrst->srs_number_streams) { 4681 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4682 strm = strrst->srs_stream_list[i]; 4683 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4684 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4685 cnt++; 4686 } 4687 } 4688 } else { 4689 /* Its all */ 4690 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4691 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4692 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4693 cnt++; 4694 } 4695 } 4696 } 4697 } 4698 if (send_in) { 4699 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4700 strrst->srs_stream_list, 4701 send_in, 0, 0, 0, 0, 0); 4702 } else { 4703 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4704 } 4705 if (error == 0) { 4706 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4707 } else { 4708 /* 4709 * For outgoing streams don't report any 4710 * problems in sending the request to the 4711 * application. XXX: Double check resetting 4712 * incoming streams. 4713 */ 4714 error = 0; 4715 } 4716 SCTP_TCB_UNLOCK(stcb); 4717 break; 4718 } 4719 case SCTP_ADD_STREAMS: 4720 { 4721 struct sctp_add_streams *stradd; 4722 uint8_t addstream = 0; 4723 uint16_t add_o_strmcnt = 0; 4724 uint16_t add_i_strmcnt = 0; 4725 4726 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4727 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4728 if (stcb == NULL) { 4729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4730 error = ENOENT; 4731 break; 4732 } 4733 if (stcb->asoc.reconfig_supported == 0) { 4734 /* 4735 * Peer does not support the chunk type. 4736 */ 4737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4738 error = EOPNOTSUPP; 4739 SCTP_TCB_UNLOCK(stcb); 4740 break; 4741 } 4742 if (stcb->asoc.stream_reset_outstanding) { 4743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4744 error = EALREADY; 4745 SCTP_TCB_UNLOCK(stcb); 4746 break; 4747 } 4748 if ((stradd->sas_outstrms == 0) && 4749 (stradd->sas_instrms == 0)) { 4750 error = EINVAL; 4751 goto skip_stuff; 4752 } 4753 if (stradd->sas_outstrms) { 4754 addstream = 1; 4755 /* We allocate here */ 4756 add_o_strmcnt = stradd->sas_outstrms; 4757 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4758 /* You can't have more than 64k */ 4759 error = EINVAL; 4760 goto skip_stuff; 4761 } 4762 } 4763 if (stradd->sas_instrms) { 4764 int cnt; 4765 4766 addstream |= 2; 4767 /* 4768 * We allocate inside 4769 * sctp_send_str_reset_req() 4770 */ 4771 add_i_strmcnt = stradd->sas_instrms; 4772 cnt = add_i_strmcnt; 4773 cnt += stcb->asoc.streamincnt; 4774 if (cnt > 0x0000ffff) { 4775 /* You can't have more than 64k */ 4776 error = EINVAL; 4777 goto skip_stuff; 4778 } 4779 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4780 /* More than you are allowed */ 4781 error = EINVAL; 4782 goto skip_stuff; 4783 } 4784 } 4785 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4786 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4787 skip_stuff: 4788 SCTP_TCB_UNLOCK(stcb); 4789 break; 4790 } 4791 case SCTP_RESET_ASSOC: 4792 { 4793 int i; 4794 uint32_t *value; 4795 4796 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4797 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4798 if (stcb == NULL) { 4799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4800 error = ENOENT; 4801 break; 4802 } 4803 if (stcb->asoc.reconfig_supported == 0) { 4804 /* 4805 * Peer does not support the chunk type. 4806 */ 4807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4808 error = EOPNOTSUPP; 4809 SCTP_TCB_UNLOCK(stcb); 4810 break; 4811 } 4812 if (stcb->asoc.stream_reset_outstanding) { 4813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4814 error = EALREADY; 4815 SCTP_TCB_UNLOCK(stcb); 4816 break; 4817 } 4818 /* 4819 * Is there any data pending in the send or sent 4820 * queues? 4821 */ 4822 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4823 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4824 busy_out: 4825 error = EBUSY; 4826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4827 SCTP_TCB_UNLOCK(stcb); 4828 break; 4829 } 4830 /* Do any streams have data queued? */ 4831 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4832 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4833 goto busy_out; 4834 } 4835 } 4836 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4837 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4838 SCTP_TCB_UNLOCK(stcb); 4839 break; 4840 } 4841 case SCTP_CONNECT_X: 4842 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4844 error = EINVAL; 4845 break; 4846 } 4847 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4848 break; 4849 case SCTP_CONNECT_X_DELAYED: 4850 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4852 error = EINVAL; 4853 break; 4854 } 4855 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4856 break; 4857 case SCTP_CONNECT_X_COMPLETE: 4858 { 4859 struct sockaddr *sa; 4860 4861 /* FIXME MT: check correct? */ 4862 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4863 4864 /* find tcb */ 4865 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4866 SCTP_INP_RLOCK(inp); 4867 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4868 if (stcb) { 4869 SCTP_TCB_LOCK(stcb); 4870 } 4871 SCTP_INP_RUNLOCK(inp); 4872 } else { 4873 /* 4874 * We increment here since 4875 * sctp_findassociation_ep_addr() wil do a 4876 * decrement if it finds the stcb as long as 4877 * the locked tcb (last argument) is NOT a 4878 * TCB.. aka NULL. 4879 */ 4880 SCTP_INP_INCR_REF(inp); 4881 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4882 if (stcb == NULL) { 4883 SCTP_INP_DECR_REF(inp); 4884 } 4885 } 4886 4887 if (stcb == NULL) { 4888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4889 error = ENOENT; 4890 break; 4891 } 4892 if (stcb->asoc.delayed_connection == 1) { 4893 stcb->asoc.delayed_connection = 0; 4894 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4895 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4896 stcb->asoc.primary_destination, 4897 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4898 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4899 } else { 4900 /* 4901 * already expired or did not use delayed 4902 * connectx 4903 */ 4904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4905 error = EALREADY; 4906 } 4907 SCTP_TCB_UNLOCK(stcb); 4908 break; 4909 } 4910 case SCTP_MAX_BURST: 4911 { 4912 struct sctp_assoc_value *av; 4913 4914 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4915 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4916 4917 if (stcb) { 4918 stcb->asoc.max_burst = av->assoc_value; 4919 SCTP_TCB_UNLOCK(stcb); 4920 } else { 4921 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4922 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4923 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4924 (av->assoc_id == SCTP_ALL_ASSOC)) { 4925 SCTP_INP_WLOCK(inp); 4926 inp->sctp_ep.max_burst = av->assoc_value; 4927 SCTP_INP_WUNLOCK(inp); 4928 } 4929 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4930 (av->assoc_id == SCTP_ALL_ASSOC)) { 4931 SCTP_INP_RLOCK(inp); 4932 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4933 SCTP_TCB_LOCK(stcb); 4934 stcb->asoc.max_burst = av->assoc_value; 4935 SCTP_TCB_UNLOCK(stcb); 4936 } 4937 SCTP_INP_RUNLOCK(inp); 4938 } 4939 } 4940 break; 4941 } 4942 case SCTP_MAXSEG: 4943 { 4944 struct sctp_assoc_value *av; 4945 int ovh; 4946 4947 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4948 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4949 4950 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4951 ovh = SCTP_MED_OVERHEAD; 4952 } else { 4953 ovh = SCTP_MED_V4_OVERHEAD; 4954 } 4955 if (stcb) { 4956 if (av->assoc_value) { 4957 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4958 } else { 4959 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4960 } 4961 SCTP_TCB_UNLOCK(stcb); 4962 } else { 4963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4965 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4966 SCTP_INP_WLOCK(inp); 4967 /* 4968 * FIXME MT: I think this is not in 4969 * tune with the API ID 4970 */ 4971 if (av->assoc_value) { 4972 inp->sctp_frag_point = (av->assoc_value + ovh); 4973 } else { 4974 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4975 } 4976 SCTP_INP_WUNLOCK(inp); 4977 } else { 4978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4979 error = EINVAL; 4980 } 4981 } 4982 break; 4983 } 4984 case SCTP_EVENTS: 4985 { 4986 struct sctp_event_subscribe *events; 4987 4988 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4989 4990 SCTP_INP_WLOCK(inp); 4991 if (events->sctp_data_io_event) { 4992 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4993 } else { 4994 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4995 } 4996 4997 if (events->sctp_association_event) { 4998 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4999 } else { 5000 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5001 } 5002 5003 if (events->sctp_address_event) { 5004 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5005 } else { 5006 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5007 } 5008 5009 if (events->sctp_send_failure_event) { 5010 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5011 } else { 5012 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5013 } 5014 5015 if (events->sctp_peer_error_event) { 5016 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5017 } else { 5018 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5019 } 5020 5021 if (events->sctp_shutdown_event) { 5022 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5023 } else { 5024 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5025 } 5026 5027 if (events->sctp_partial_delivery_event) { 5028 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5029 } else { 5030 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5031 } 5032 5033 if (events->sctp_adaptation_layer_event) { 5034 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5035 } else { 5036 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5037 } 5038 5039 if (events->sctp_authentication_event) { 5040 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5041 } else { 5042 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5043 } 5044 5045 if (events->sctp_sender_dry_event) { 5046 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5047 } else { 5048 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5049 } 5050 5051 if (events->sctp_stream_reset_event) { 5052 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5053 } else { 5054 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5055 } 5056 SCTP_INP_WUNLOCK(inp); 5057 5058 SCTP_INP_RLOCK(inp); 5059 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5060 SCTP_TCB_LOCK(stcb); 5061 if (events->sctp_association_event) { 5062 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5063 } else { 5064 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5065 } 5066 if (events->sctp_address_event) { 5067 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5068 } else { 5069 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5070 } 5071 if (events->sctp_send_failure_event) { 5072 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5073 } else { 5074 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5075 } 5076 if (events->sctp_peer_error_event) { 5077 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5078 } else { 5079 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5080 } 5081 if (events->sctp_shutdown_event) { 5082 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5083 } else { 5084 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5085 } 5086 if (events->sctp_partial_delivery_event) { 5087 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5088 } else { 5089 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5090 } 5091 if (events->sctp_adaptation_layer_event) { 5092 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5093 } else { 5094 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5095 } 5096 if (events->sctp_authentication_event) { 5097 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5098 } else { 5099 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5100 } 5101 if (events->sctp_sender_dry_event) { 5102 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5103 } else { 5104 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5105 } 5106 if (events->sctp_stream_reset_event) { 5107 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5108 } else { 5109 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5110 } 5111 SCTP_TCB_UNLOCK(stcb); 5112 } 5113 /* 5114 * Send up the sender dry event only for 1-to-1 5115 * style sockets. 5116 */ 5117 if (events->sctp_sender_dry_event) { 5118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5119 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5120 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5121 if (stcb) { 5122 SCTP_TCB_LOCK(stcb); 5123 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5124 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5125 (stcb->asoc.stream_queue_cnt == 0)) { 5126 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5127 } 5128 SCTP_TCB_UNLOCK(stcb); 5129 } 5130 } 5131 } 5132 SCTP_INP_RUNLOCK(inp); 5133 break; 5134 } 5135 case SCTP_ADAPTATION_LAYER: 5136 { 5137 struct sctp_setadaptation *adap_bits; 5138 5139 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5140 SCTP_INP_WLOCK(inp); 5141 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5142 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5143 SCTP_INP_WUNLOCK(inp); 5144 break; 5145 } 5146 #ifdef SCTP_DEBUG 5147 case SCTP_SET_INITIAL_DBG_SEQ: 5148 { 5149 uint32_t *vvv; 5150 5151 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5152 SCTP_INP_WLOCK(inp); 5153 inp->sctp_ep.initial_sequence_debug = *vvv; 5154 SCTP_INP_WUNLOCK(inp); 5155 break; 5156 } 5157 #endif 5158 case SCTP_DEFAULT_SEND_PARAM: 5159 { 5160 struct sctp_sndrcvinfo *s_info; 5161 5162 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5163 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5164 5165 if (stcb) { 5166 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5167 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5168 } else { 5169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5170 error = EINVAL; 5171 } 5172 SCTP_TCB_UNLOCK(stcb); 5173 } else { 5174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5175 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5176 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5177 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5178 SCTP_INP_WLOCK(inp); 5179 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5180 SCTP_INP_WUNLOCK(inp); 5181 } 5182 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5183 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5184 SCTP_INP_RLOCK(inp); 5185 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5186 SCTP_TCB_LOCK(stcb); 5187 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5188 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5189 } 5190 SCTP_TCB_UNLOCK(stcb); 5191 } 5192 SCTP_INP_RUNLOCK(inp); 5193 } 5194 } 5195 break; 5196 } 5197 case SCTP_PEER_ADDR_PARAMS: 5198 { 5199 struct sctp_paddrparams *paddrp; 5200 struct sctp_nets *net; 5201 struct sockaddr *addr; 5202 #if defined(INET) && defined(INET6) 5203 struct sockaddr_in sin_store; 5204 #endif 5205 5206 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5207 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5208 5209 #if defined(INET) && defined(INET6) 5210 if (paddrp->spp_address.ss_family == AF_INET6) { 5211 struct sockaddr_in6 *sin6; 5212 5213 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5214 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5215 in6_sin6_2_sin(&sin_store, sin6); 5216 addr = (struct sockaddr *)&sin_store; 5217 } else { 5218 addr = (struct sockaddr *)&paddrp->spp_address; 5219 } 5220 } else { 5221 addr = (struct sockaddr *)&paddrp->spp_address; 5222 } 5223 #else 5224 addr = (struct sockaddr *)&paddrp->spp_address; 5225 #endif 5226 if (stcb != NULL) { 5227 net = sctp_findnet(stcb, addr); 5228 } else { 5229 /* 5230 * We increment here since 5231 * sctp_findassociation_ep_addr() wil do a 5232 * decrement if it finds the stcb as long as 5233 * the locked tcb (last argument) is NOT a 5234 * TCB.. aka NULL. 5235 */ 5236 net = NULL; 5237 SCTP_INP_INCR_REF(inp); 5238 stcb = sctp_findassociation_ep_addr(&inp, addr, 5239 &net, NULL, NULL); 5240 if (stcb == NULL) { 5241 SCTP_INP_DECR_REF(inp); 5242 } 5243 } 5244 if ((stcb != NULL) && (net == NULL)) { 5245 #ifdef INET 5246 if (addr->sa_family == AF_INET) { 5247 5248 struct sockaddr_in *sin; 5249 5250 sin = (struct sockaddr_in *)addr; 5251 if (sin->sin_addr.s_addr != INADDR_ANY) { 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 #ifdef INET6 5260 if (addr->sa_family == AF_INET6) { 5261 struct sockaddr_in6 *sin6; 5262 5263 sin6 = (struct sockaddr_in6 *)addr; 5264 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5266 SCTP_TCB_UNLOCK(stcb); 5267 error = EINVAL; 5268 break; 5269 } 5270 } else 5271 #endif 5272 { 5273 error = EAFNOSUPPORT; 5274 SCTP_TCB_UNLOCK(stcb); 5275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5276 break; 5277 } 5278 } 5279 /* sanity checks */ 5280 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5281 if (stcb) 5282 SCTP_TCB_UNLOCK(stcb); 5283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5284 return (EINVAL); 5285 } 5286 5287 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5288 if (stcb) 5289 SCTP_TCB_UNLOCK(stcb); 5290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5291 return (EINVAL); 5292 } 5293 5294 if (stcb != NULL) { 5295 /************************TCB SPECIFIC SET ******************/ 5296 if (net != NULL) { 5297 /************************NET SPECIFIC SET ******************/ 5298 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5299 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5300 !(net->dest_state & SCTP_ADDR_NOHB)) { 5301 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5302 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5303 } 5304 net->dest_state |= SCTP_ADDR_NOHB; 5305 } 5306 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5307 if (paddrp->spp_hbinterval) { 5308 net->heart_beat_delay = paddrp->spp_hbinterval; 5309 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5310 net->heart_beat_delay = 0; 5311 } 5312 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5313 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5314 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5315 net->dest_state &= ~SCTP_ADDR_NOHB; 5316 } 5317 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5318 /* on demand HB */ 5319 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5320 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5321 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5322 } 5323 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5324 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5325 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5326 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5327 } 5328 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5329 net->mtu = paddrp->spp_pathmtu; 5330 switch (net->ro._l_addr.sa.sa_family) { 5331 #ifdef INET 5332 case AF_INET: 5333 net->mtu += SCTP_MIN_V4_OVERHEAD; 5334 break; 5335 #endif 5336 #ifdef INET6 5337 case AF_INET6: 5338 net->mtu += SCTP_MIN_OVERHEAD; 5339 break; 5340 #endif 5341 default: 5342 break; 5343 } 5344 if (net->mtu < stcb->asoc.smallest_mtu) { 5345 sctp_pathmtu_adjustment(stcb, net->mtu); 5346 } 5347 } 5348 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5349 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5350 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5351 } 5352 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5353 } 5354 if (paddrp->spp_pathmaxrxt) { 5355 if (net->dest_state & SCTP_ADDR_PF) { 5356 if (net->error_count > paddrp->spp_pathmaxrxt) { 5357 net->dest_state &= ~SCTP_ADDR_PF; 5358 } 5359 } else { 5360 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5361 (net->error_count > net->pf_threshold)) { 5362 net->dest_state |= SCTP_ADDR_PF; 5363 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5364 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5365 stcb->sctp_ep, stcb, net, 5366 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5367 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5368 } 5369 } 5370 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5371 if (net->error_count > paddrp->spp_pathmaxrxt) { 5372 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5373 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5374 } 5375 } else { 5376 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5377 net->dest_state |= SCTP_ADDR_REACHABLE; 5378 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5379 } 5380 } 5381 net->failure_threshold = paddrp->spp_pathmaxrxt; 5382 } 5383 if (paddrp->spp_flags & SPP_DSCP) { 5384 net->dscp = paddrp->spp_dscp & 0xfc; 5385 net->dscp |= 0x01; 5386 } 5387 #ifdef INET6 5388 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5389 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5390 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5391 net->flowlabel |= 0x80000000; 5392 } 5393 } 5394 #endif 5395 } else { 5396 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5397 if (paddrp->spp_pathmaxrxt != 0) { 5398 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5399 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5400 if (net->dest_state & SCTP_ADDR_PF) { 5401 if (net->error_count > paddrp->spp_pathmaxrxt) { 5402 net->dest_state &= ~SCTP_ADDR_PF; 5403 } 5404 } else { 5405 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5406 (net->error_count > net->pf_threshold)) { 5407 net->dest_state |= SCTP_ADDR_PF; 5408 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5409 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5410 stcb->sctp_ep, stcb, net, 5411 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5412 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5413 } 5414 } 5415 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5416 if (net->error_count > paddrp->spp_pathmaxrxt) { 5417 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5419 } 5420 } else { 5421 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5422 net->dest_state |= SCTP_ADDR_REACHABLE; 5423 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5424 } 5425 } 5426 net->failure_threshold = paddrp->spp_pathmaxrxt; 5427 } 5428 } 5429 5430 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5431 if (paddrp->spp_hbinterval != 0) { 5432 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5433 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5434 stcb->asoc.heart_beat_delay = 0; 5435 } 5436 /* Turn back on the timer */ 5437 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5438 if (paddrp->spp_hbinterval != 0) { 5439 net->heart_beat_delay = paddrp->spp_hbinterval; 5440 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5441 net->heart_beat_delay = 0; 5442 } 5443 if (net->dest_state & SCTP_ADDR_NOHB) { 5444 net->dest_state &= ~SCTP_ADDR_NOHB; 5445 } 5446 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5449 } 5450 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5451 } 5452 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5455 net->dest_state |= SCTP_ADDR_NOHB; 5456 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5457 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5458 inp, stcb, net, 5459 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5460 } 5461 } 5462 } 5463 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5464 } 5465 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5466 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5467 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5468 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5469 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5470 } 5471 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5472 net->mtu = paddrp->spp_pathmtu; 5473 switch (net->ro._l_addr.sa.sa_family) { 5474 #ifdef INET 5475 case AF_INET: 5476 net->mtu += SCTP_MIN_V4_OVERHEAD; 5477 break; 5478 #endif 5479 #ifdef INET6 5480 case AF_INET6: 5481 net->mtu += SCTP_MIN_OVERHEAD; 5482 break; 5483 #endif 5484 default: 5485 break; 5486 } 5487 if (net->mtu < stcb->asoc.smallest_mtu) { 5488 sctp_pathmtu_adjustment(stcb, net->mtu); 5489 } 5490 } 5491 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5492 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5493 } 5494 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5495 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5496 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5497 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5498 } 5499 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5500 } 5501 stcb->asoc.default_mtu = 0; 5502 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5503 } 5504 if (paddrp->spp_flags & SPP_DSCP) { 5505 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5506 net->dscp = paddrp->spp_dscp & 0xfc; 5507 net->dscp |= 0x01; 5508 } 5509 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5510 stcb->asoc.default_dscp |= 0x01; 5511 } 5512 #ifdef INET6 5513 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5515 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5516 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5517 net->flowlabel |= 0x80000000; 5518 } 5519 } 5520 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5521 stcb->asoc.default_flowlabel |= 0x80000000; 5522 } 5523 #endif 5524 } 5525 SCTP_TCB_UNLOCK(stcb); 5526 } else { 5527 /************************NO TCB, SET TO default stuff ******************/ 5528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5529 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5530 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5531 SCTP_INP_WLOCK(inp); 5532 /* 5533 * For the TOS/FLOWLABEL stuff you 5534 * set it with the options on the 5535 * socket 5536 */ 5537 if (paddrp->spp_pathmaxrxt != 0) { 5538 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5539 } 5540 5541 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5542 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5543 else if (paddrp->spp_hbinterval != 0) { 5544 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5545 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5546 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5547 } 5548 5549 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5550 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5551 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5552 } else if (paddrp->spp_hbinterval) { 5553 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5554 } 5555 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5556 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5557 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5558 } 5559 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5560 inp->sctp_ep.default_mtu = 0; 5561 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5562 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5563 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5564 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5565 } 5566 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5567 } 5568 if (paddrp->spp_flags & SPP_DSCP) { 5569 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5570 inp->sctp_ep.default_dscp |= 0x01; 5571 } 5572 #ifdef INET6 5573 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5574 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5575 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5576 inp->sctp_ep.default_flowlabel |= 0x80000000; 5577 } 5578 } 5579 #endif 5580 SCTP_INP_WUNLOCK(inp); 5581 } else { 5582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5583 error = EINVAL; 5584 } 5585 } 5586 break; 5587 } 5588 case SCTP_RTOINFO: 5589 { 5590 struct sctp_rtoinfo *srto; 5591 uint32_t new_init, new_min, new_max; 5592 5593 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5594 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5595 5596 if (stcb) { 5597 if (srto->srto_initial) 5598 new_init = srto->srto_initial; 5599 else 5600 new_init = stcb->asoc.initial_rto; 5601 if (srto->srto_max) 5602 new_max = srto->srto_max; 5603 else 5604 new_max = stcb->asoc.maxrto; 5605 if (srto->srto_min) 5606 new_min = srto->srto_min; 5607 else 5608 new_min = stcb->asoc.minrto; 5609 if ((new_min <= new_init) && (new_init <= new_max)) { 5610 stcb->asoc.initial_rto = new_init; 5611 stcb->asoc.maxrto = new_max; 5612 stcb->asoc.minrto = new_min; 5613 } else { 5614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5615 error = EINVAL; 5616 } 5617 SCTP_TCB_UNLOCK(stcb); 5618 } else { 5619 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5620 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5621 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5622 SCTP_INP_WLOCK(inp); 5623 if (srto->srto_initial) 5624 new_init = srto->srto_initial; 5625 else 5626 new_init = inp->sctp_ep.initial_rto; 5627 if (srto->srto_max) 5628 new_max = srto->srto_max; 5629 else 5630 new_max = inp->sctp_ep.sctp_maxrto; 5631 if (srto->srto_min) 5632 new_min = srto->srto_min; 5633 else 5634 new_min = inp->sctp_ep.sctp_minrto; 5635 if ((new_min <= new_init) && (new_init <= new_max)) { 5636 inp->sctp_ep.initial_rto = new_init; 5637 inp->sctp_ep.sctp_maxrto = new_max; 5638 inp->sctp_ep.sctp_minrto = new_min; 5639 } else { 5640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5641 error = EINVAL; 5642 } 5643 SCTP_INP_WUNLOCK(inp); 5644 } else { 5645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5646 error = EINVAL; 5647 } 5648 } 5649 break; 5650 } 5651 case SCTP_ASSOCINFO: 5652 { 5653 struct sctp_assocparams *sasoc; 5654 5655 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5656 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5657 if (sasoc->sasoc_cookie_life) { 5658 /* boundary check the cookie life */ 5659 if (sasoc->sasoc_cookie_life < 1000) 5660 sasoc->sasoc_cookie_life = 1000; 5661 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5662 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5663 } 5664 } 5665 if (stcb) { 5666 if (sasoc->sasoc_asocmaxrxt) 5667 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5668 if (sasoc->sasoc_cookie_life) { 5669 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5670 } 5671 SCTP_TCB_UNLOCK(stcb); 5672 } else { 5673 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5674 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5675 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5676 SCTP_INP_WLOCK(inp); 5677 if (sasoc->sasoc_asocmaxrxt) 5678 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5679 if (sasoc->sasoc_cookie_life) { 5680 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5681 } 5682 SCTP_INP_WUNLOCK(inp); 5683 } else { 5684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5685 error = EINVAL; 5686 } 5687 } 5688 break; 5689 } 5690 case SCTP_INITMSG: 5691 { 5692 struct sctp_initmsg *sinit; 5693 5694 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5695 SCTP_INP_WLOCK(inp); 5696 if (sinit->sinit_num_ostreams) 5697 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5698 5699 if (sinit->sinit_max_instreams) 5700 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5701 5702 if (sinit->sinit_max_attempts) 5703 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5704 5705 if (sinit->sinit_max_init_timeo) 5706 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5707 SCTP_INP_WUNLOCK(inp); 5708 break; 5709 } 5710 case SCTP_PRIMARY_ADDR: 5711 { 5712 struct sctp_setprim *spa; 5713 struct sctp_nets *net; 5714 struct sockaddr *addr; 5715 #if defined(INET) && defined(INET6) 5716 struct sockaddr_in sin_store; 5717 #endif 5718 5719 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5720 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5721 5722 #if defined(INET) && defined(INET6) 5723 if (spa->ssp_addr.ss_family == AF_INET6) { 5724 struct sockaddr_in6 *sin6; 5725 5726 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5727 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5728 in6_sin6_2_sin(&sin_store, sin6); 5729 addr = (struct sockaddr *)&sin_store; 5730 } else { 5731 addr = (struct sockaddr *)&spa->ssp_addr; 5732 } 5733 } else { 5734 addr = (struct sockaddr *)&spa->ssp_addr; 5735 } 5736 #else 5737 addr = (struct sockaddr *)&spa->ssp_addr; 5738 #endif 5739 if (stcb != NULL) { 5740 net = sctp_findnet(stcb, addr); 5741 } else { 5742 /* 5743 * We increment here since 5744 * sctp_findassociation_ep_addr() wil do a 5745 * decrement if it finds the stcb as long as 5746 * the locked tcb (last argument) is NOT a 5747 * TCB.. aka NULL. 5748 */ 5749 net = NULL; 5750 SCTP_INP_INCR_REF(inp); 5751 stcb = sctp_findassociation_ep_addr(&inp, addr, 5752 &net, NULL, NULL); 5753 if (stcb == NULL) { 5754 SCTP_INP_DECR_REF(inp); 5755 } 5756 } 5757 5758 if ((stcb != NULL) && (net != NULL)) { 5759 if (net != stcb->asoc.primary_destination) { 5760 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5761 /* Ok we need to set it */ 5762 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5763 if ((stcb->asoc.alternate) && 5764 (!(net->dest_state & SCTP_ADDR_PF)) && 5765 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5766 sctp_free_remote_addr(stcb->asoc.alternate); 5767 stcb->asoc.alternate = NULL; 5768 } 5769 } else { 5770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5771 error = EINVAL; 5772 } 5773 } else { 5774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5775 error = EINVAL; 5776 } 5777 } 5778 } else { 5779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5780 error = EINVAL; 5781 } 5782 if (stcb != NULL) { 5783 SCTP_TCB_UNLOCK(stcb); 5784 } 5785 break; 5786 } 5787 case SCTP_SET_DYNAMIC_PRIMARY: 5788 { 5789 union sctp_sockstore *ss; 5790 5791 error = priv_check(curthread, 5792 PRIV_NETINET_RESERVEDPORT); 5793 if (error) 5794 break; 5795 5796 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5797 /* SUPER USER CHECK? */ 5798 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5799 break; 5800 } 5801 case SCTP_SET_PEER_PRIMARY_ADDR: 5802 { 5803 struct sctp_setpeerprim *sspp; 5804 struct sockaddr *addr; 5805 #if defined(INET) && defined(INET6) 5806 struct sockaddr_in sin_store; 5807 #endif 5808 5809 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5810 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5811 if (stcb != NULL) { 5812 struct sctp_ifa *ifa; 5813 5814 #if defined(INET) && defined(INET6) 5815 if (sspp->sspp_addr.ss_family == AF_INET6) { 5816 struct sockaddr_in6 *sin6; 5817 5818 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5819 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5820 in6_sin6_2_sin(&sin_store, sin6); 5821 addr = (struct sockaddr *)&sin_store; 5822 } else { 5823 addr = (struct sockaddr *)&sspp->sspp_addr; 5824 } 5825 } else { 5826 addr = (struct sockaddr *)&sspp->sspp_addr; 5827 } 5828 #else 5829 addr = (struct sockaddr *)&sspp->sspp_addr; 5830 #endif 5831 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5832 if (ifa == NULL) { 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 error = EINVAL; 5835 goto out_of_it; 5836 } 5837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5838 /* 5839 * Must validate the ifa found is in 5840 * our ep 5841 */ 5842 struct sctp_laddr *laddr; 5843 int found = 0; 5844 5845 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5846 if (laddr->ifa == NULL) { 5847 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5848 __func__); 5849 continue; 5850 } 5851 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5852 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5853 continue; 5854 } 5855 if (laddr->ifa == ifa) { 5856 found = 1; 5857 break; 5858 } 5859 } 5860 if (!found) { 5861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5862 error = EINVAL; 5863 goto out_of_it; 5864 } 5865 } else { 5866 switch (addr->sa_family) { 5867 #ifdef INET 5868 case AF_INET: 5869 { 5870 struct sockaddr_in *sin; 5871 5872 sin = (struct sockaddr_in *)addr; 5873 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5874 &sin->sin_addr) != 0) { 5875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5876 error = EINVAL; 5877 goto out_of_it; 5878 } 5879 break; 5880 } 5881 #endif 5882 #ifdef INET6 5883 case AF_INET6: 5884 { 5885 struct sockaddr_in6 *sin6; 5886 5887 sin6 = (struct sockaddr_in6 *)addr; 5888 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5889 &sin6->sin6_addr) != 0) { 5890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5891 error = EINVAL; 5892 goto out_of_it; 5893 } 5894 break; 5895 } 5896 #endif 5897 default: 5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5899 error = EINVAL; 5900 goto out_of_it; 5901 } 5902 } 5903 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5905 error = EINVAL; 5906 } 5907 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5908 out_of_it: 5909 SCTP_TCB_UNLOCK(stcb); 5910 } else { 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 } 5914 break; 5915 } 5916 case SCTP_BINDX_ADD_ADDR: 5917 { 5918 struct sctp_getaddresses *addrs; 5919 struct thread *td; 5920 5921 td = (struct thread *)p; 5922 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5923 optsize); 5924 #ifdef INET 5925 if (addrs->addr->sa_family == AF_INET) { 5926 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 error = EINVAL; 5929 break; 5930 } 5931 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5932 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5933 break; 5934 } 5935 } else 5936 #endif 5937 #ifdef INET6 5938 if (addrs->addr->sa_family == AF_INET6) { 5939 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5941 error = EINVAL; 5942 break; 5943 } 5944 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5945 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5946 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5947 break; 5948 } 5949 } else 5950 #endif 5951 { 5952 error = EAFNOSUPPORT; 5953 break; 5954 } 5955 sctp_bindx_add_address(so, inp, addrs->addr, 5956 addrs->sget_assoc_id, vrf_id, 5957 &error, p); 5958 break; 5959 } 5960 case SCTP_BINDX_REM_ADDR: 5961 { 5962 struct sctp_getaddresses *addrs; 5963 struct thread *td; 5964 5965 td = (struct thread *)p; 5966 5967 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5968 #ifdef INET 5969 if (addrs->addr->sa_family == AF_INET) { 5970 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5972 error = EINVAL; 5973 break; 5974 } 5975 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5976 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5977 break; 5978 } 5979 } else 5980 #endif 5981 #ifdef INET6 5982 if (addrs->addr->sa_family == AF_INET6) { 5983 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5985 error = EINVAL; 5986 break; 5987 } 5988 if (td != NULL && 5989 (error = prison_local_ip6(td->td_ucred, 5990 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5991 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5992 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5993 break; 5994 } 5995 } else 5996 #endif 5997 { 5998 error = EAFNOSUPPORT; 5999 break; 6000 } 6001 sctp_bindx_delete_address(inp, addrs->addr, 6002 addrs->sget_assoc_id, vrf_id, 6003 &error); 6004 break; 6005 } 6006 case SCTP_EVENT: 6007 { 6008 struct sctp_event *event; 6009 uint32_t event_type; 6010 6011 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6012 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6013 switch (event->se_type) { 6014 case SCTP_ASSOC_CHANGE: 6015 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6016 break; 6017 case SCTP_PEER_ADDR_CHANGE: 6018 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6019 break; 6020 case SCTP_REMOTE_ERROR: 6021 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6022 break; 6023 case SCTP_SEND_FAILED: 6024 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6025 break; 6026 case SCTP_SHUTDOWN_EVENT: 6027 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6028 break; 6029 case SCTP_ADAPTATION_INDICATION: 6030 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6031 break; 6032 case SCTP_PARTIAL_DELIVERY_EVENT: 6033 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6034 break; 6035 case SCTP_AUTHENTICATION_EVENT: 6036 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6037 break; 6038 case SCTP_STREAM_RESET_EVENT: 6039 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6040 break; 6041 case SCTP_SENDER_DRY_EVENT: 6042 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6043 break; 6044 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6045 event_type = 0; 6046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6047 error = ENOTSUP; 6048 break; 6049 case SCTP_ASSOC_RESET_EVENT: 6050 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6051 break; 6052 case SCTP_STREAM_CHANGE_EVENT: 6053 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6054 break; 6055 case SCTP_SEND_FAILED_EVENT: 6056 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6057 break; 6058 default: 6059 event_type = 0; 6060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6061 error = EINVAL; 6062 break; 6063 } 6064 if (event_type > 0) { 6065 if (stcb) { 6066 if (event->se_on) { 6067 sctp_stcb_feature_on(inp, stcb, event_type); 6068 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6069 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6070 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6071 (stcb->asoc.stream_queue_cnt == 0)) { 6072 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6073 } 6074 } 6075 } else { 6076 sctp_stcb_feature_off(inp, stcb, event_type); 6077 } 6078 SCTP_TCB_UNLOCK(stcb); 6079 } else { 6080 /* 6081 * We don't want to send up a storm 6082 * of events, so return an error for 6083 * sender dry events 6084 */ 6085 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6086 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6087 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6088 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6089 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6091 error = ENOTSUP; 6092 break; 6093 } 6094 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6095 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6096 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6097 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6098 SCTP_INP_WLOCK(inp); 6099 if (event->se_on) { 6100 sctp_feature_on(inp, event_type); 6101 } else { 6102 sctp_feature_off(inp, event_type); 6103 } 6104 SCTP_INP_WUNLOCK(inp); 6105 } 6106 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6107 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6108 SCTP_INP_RLOCK(inp); 6109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6110 SCTP_TCB_LOCK(stcb); 6111 if (event->se_on) { 6112 sctp_stcb_feature_on(inp, stcb, event_type); 6113 } else { 6114 sctp_stcb_feature_off(inp, stcb, event_type); 6115 } 6116 SCTP_TCB_UNLOCK(stcb); 6117 } 6118 SCTP_INP_RUNLOCK(inp); 6119 } 6120 } 6121 } 6122 break; 6123 } 6124 case SCTP_RECVRCVINFO: 6125 { 6126 int *onoff; 6127 6128 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6129 SCTP_INP_WLOCK(inp); 6130 if (*onoff != 0) { 6131 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6132 } else { 6133 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6134 } 6135 SCTP_INP_WUNLOCK(inp); 6136 break; 6137 } 6138 case SCTP_RECVNXTINFO: 6139 { 6140 int *onoff; 6141 6142 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6143 SCTP_INP_WLOCK(inp); 6144 if (*onoff != 0) { 6145 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6146 } else { 6147 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6148 } 6149 SCTP_INP_WUNLOCK(inp); 6150 break; 6151 } 6152 case SCTP_DEFAULT_SNDINFO: 6153 { 6154 struct sctp_sndinfo *info; 6155 uint16_t policy; 6156 6157 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6158 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6159 6160 if (stcb) { 6161 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6162 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6163 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6164 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6165 stcb->asoc.def_send.sinfo_flags |= policy; 6166 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6167 stcb->asoc.def_send.sinfo_context = info->snd_context; 6168 } else { 6169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6170 error = EINVAL; 6171 } 6172 SCTP_TCB_UNLOCK(stcb); 6173 } else { 6174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6175 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6176 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6177 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6178 SCTP_INP_WLOCK(inp); 6179 inp->def_send.sinfo_stream = info->snd_sid; 6180 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6181 inp->def_send.sinfo_flags = info->snd_flags; 6182 inp->def_send.sinfo_flags |= policy; 6183 inp->def_send.sinfo_ppid = info->snd_ppid; 6184 inp->def_send.sinfo_context = info->snd_context; 6185 SCTP_INP_WUNLOCK(inp); 6186 } 6187 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6188 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6189 SCTP_INP_RLOCK(inp); 6190 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6191 SCTP_TCB_LOCK(stcb); 6192 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6193 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6194 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6195 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6196 stcb->asoc.def_send.sinfo_flags |= policy; 6197 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6198 stcb->asoc.def_send.sinfo_context = info->snd_context; 6199 } 6200 SCTP_TCB_UNLOCK(stcb); 6201 } 6202 SCTP_INP_RUNLOCK(inp); 6203 } 6204 } 6205 break; 6206 } 6207 case SCTP_DEFAULT_PRINFO: 6208 { 6209 struct sctp_default_prinfo *info; 6210 6211 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6212 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6213 6214 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6216 error = EINVAL; 6217 break; 6218 } 6219 if (stcb) { 6220 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6221 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6222 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6223 SCTP_TCB_UNLOCK(stcb); 6224 } else { 6225 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6226 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6227 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6228 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6229 SCTP_INP_WLOCK(inp); 6230 inp->def_send.sinfo_flags &= 0xfff0; 6231 inp->def_send.sinfo_flags |= info->pr_policy; 6232 inp->def_send.sinfo_timetolive = info->pr_value; 6233 SCTP_INP_WUNLOCK(inp); 6234 } 6235 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6236 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6237 SCTP_INP_RLOCK(inp); 6238 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6239 SCTP_TCB_LOCK(stcb); 6240 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6241 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6242 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6243 SCTP_TCB_UNLOCK(stcb); 6244 } 6245 SCTP_INP_RUNLOCK(inp); 6246 } 6247 } 6248 break; 6249 } 6250 case SCTP_PEER_ADDR_THLDS: 6251 /* Applies to the specific association */ 6252 { 6253 struct sctp_paddrthlds *thlds; 6254 struct sctp_nets *net; 6255 struct sockaddr *addr; 6256 #if defined(INET) && defined(INET6) 6257 struct sockaddr_in sin_store; 6258 #endif 6259 6260 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6261 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6262 6263 #if defined(INET) && defined(INET6) 6264 if (thlds->spt_address.ss_family == AF_INET6) { 6265 struct sockaddr_in6 *sin6; 6266 6267 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6268 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6269 in6_sin6_2_sin(&sin_store, sin6); 6270 addr = (struct sockaddr *)&sin_store; 6271 } else { 6272 addr = (struct sockaddr *)&thlds->spt_address; 6273 } 6274 } else { 6275 addr = (struct sockaddr *)&thlds->spt_address; 6276 } 6277 #else 6278 addr = (struct sockaddr *)&thlds->spt_address; 6279 #endif 6280 if (stcb != NULL) { 6281 net = sctp_findnet(stcb, addr); 6282 } else { 6283 /* 6284 * We increment here since 6285 * sctp_findassociation_ep_addr() wil do a 6286 * decrement if it finds the stcb as long as 6287 * the locked tcb (last argument) is NOT a 6288 * TCB.. aka NULL. 6289 */ 6290 net = NULL; 6291 SCTP_INP_INCR_REF(inp); 6292 stcb = sctp_findassociation_ep_addr(&inp, addr, 6293 &net, NULL, NULL); 6294 if (stcb == NULL) { 6295 SCTP_INP_DECR_REF(inp); 6296 } 6297 } 6298 if ((stcb != NULL) && (net == NULL)) { 6299 #ifdef INET 6300 if (addr->sa_family == AF_INET) { 6301 6302 struct sockaddr_in *sin; 6303 6304 sin = (struct sockaddr_in *)addr; 6305 if (sin->sin_addr.s_addr != INADDR_ANY) { 6306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6307 SCTP_TCB_UNLOCK(stcb); 6308 error = EINVAL; 6309 break; 6310 } 6311 } else 6312 #endif 6313 #ifdef INET6 6314 if (addr->sa_family == AF_INET6) { 6315 struct sockaddr_in6 *sin6; 6316 6317 sin6 = (struct sockaddr_in6 *)addr; 6318 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6320 SCTP_TCB_UNLOCK(stcb); 6321 error = EINVAL; 6322 break; 6323 } 6324 } else 6325 #endif 6326 { 6327 error = EAFNOSUPPORT; 6328 SCTP_TCB_UNLOCK(stcb); 6329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6330 break; 6331 } 6332 } 6333 if (thlds->spt_pathcpthld != 0xffff) { 6334 error = EINVAL; 6335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6336 break; 6337 } 6338 if (stcb != NULL) { 6339 if (net != NULL) { 6340 net->failure_threshold = thlds->spt_pathmaxrxt; 6341 net->pf_threshold = thlds->spt_pathpfthld; 6342 if (net->dest_state & SCTP_ADDR_PF) { 6343 if ((net->error_count > net->failure_threshold) || 6344 (net->error_count <= net->pf_threshold)) { 6345 net->dest_state &= ~SCTP_ADDR_PF; 6346 } 6347 } else { 6348 if ((net->error_count > net->pf_threshold) && 6349 (net->error_count <= net->failure_threshold)) { 6350 net->dest_state |= SCTP_ADDR_PF; 6351 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6352 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6353 stcb->sctp_ep, stcb, net, 6354 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6355 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6356 } 6357 } 6358 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6359 if (net->error_count > net->failure_threshold) { 6360 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6361 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6362 } 6363 } else { 6364 if (net->error_count <= net->failure_threshold) { 6365 net->dest_state |= SCTP_ADDR_REACHABLE; 6366 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6367 } 6368 } 6369 } else { 6370 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6371 net->failure_threshold = thlds->spt_pathmaxrxt; 6372 net->pf_threshold = thlds->spt_pathpfthld; 6373 if (net->dest_state & SCTP_ADDR_PF) { 6374 if ((net->error_count > net->failure_threshold) || 6375 (net->error_count <= net->pf_threshold)) { 6376 net->dest_state &= ~SCTP_ADDR_PF; 6377 } 6378 } else { 6379 if ((net->error_count > net->pf_threshold) && 6380 (net->error_count <= net->failure_threshold)) { 6381 net->dest_state |= SCTP_ADDR_PF; 6382 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6383 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6384 stcb->sctp_ep, stcb, net, 6385 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6386 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6387 } 6388 } 6389 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6390 if (net->error_count > net->failure_threshold) { 6391 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6392 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6393 } 6394 } else { 6395 if (net->error_count <= net->failure_threshold) { 6396 net->dest_state |= SCTP_ADDR_REACHABLE; 6397 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6398 } 6399 } 6400 } 6401 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6402 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6403 } 6404 SCTP_TCB_UNLOCK(stcb); 6405 } else { 6406 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6407 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6408 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6409 SCTP_INP_WLOCK(inp); 6410 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6411 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6412 SCTP_INP_WUNLOCK(inp); 6413 } else { 6414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6415 error = EINVAL; 6416 } 6417 } 6418 break; 6419 } 6420 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6421 { 6422 struct sctp_udpencaps *encaps; 6423 struct sctp_nets *net; 6424 struct sockaddr *addr; 6425 #if defined(INET) && defined(INET6) 6426 struct sockaddr_in sin_store; 6427 #endif 6428 6429 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6430 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6431 6432 #if defined(INET) && defined(INET6) 6433 if (encaps->sue_address.ss_family == AF_INET6) { 6434 struct sockaddr_in6 *sin6; 6435 6436 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6437 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6438 in6_sin6_2_sin(&sin_store, sin6); 6439 addr = (struct sockaddr *)&sin_store; 6440 } else { 6441 addr = (struct sockaddr *)&encaps->sue_address; 6442 } 6443 } else { 6444 addr = (struct sockaddr *)&encaps->sue_address; 6445 } 6446 #else 6447 addr = (struct sockaddr *)&encaps->sue_address; 6448 #endif 6449 if (stcb != NULL) { 6450 net = sctp_findnet(stcb, addr); 6451 } else { 6452 /* 6453 * We increment here since 6454 * sctp_findassociation_ep_addr() wil do a 6455 * decrement if it finds the stcb as long as 6456 * the locked tcb (last argument) is NOT a 6457 * TCB.. aka NULL. 6458 */ 6459 net = NULL; 6460 SCTP_INP_INCR_REF(inp); 6461 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6462 if (stcb == NULL) { 6463 SCTP_INP_DECR_REF(inp); 6464 } 6465 } 6466 if ((stcb != NULL) && (net == NULL)) { 6467 #ifdef INET 6468 if (addr->sa_family == AF_INET) { 6469 6470 struct sockaddr_in *sin; 6471 6472 sin = (struct sockaddr_in *)addr; 6473 if (sin->sin_addr.s_addr != INADDR_ANY) { 6474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6475 SCTP_TCB_UNLOCK(stcb); 6476 error = EINVAL; 6477 break; 6478 } 6479 } else 6480 #endif 6481 #ifdef INET6 6482 if (addr->sa_family == AF_INET6) { 6483 struct sockaddr_in6 *sin6; 6484 6485 sin6 = (struct sockaddr_in6 *)addr; 6486 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6488 SCTP_TCB_UNLOCK(stcb); 6489 error = EINVAL; 6490 break; 6491 } 6492 } else 6493 #endif 6494 { 6495 error = EAFNOSUPPORT; 6496 SCTP_TCB_UNLOCK(stcb); 6497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6498 break; 6499 } 6500 } 6501 6502 if (stcb != NULL) { 6503 if (net != NULL) { 6504 net->port = encaps->sue_port; 6505 } else { 6506 stcb->asoc.port = encaps->sue_port; 6507 } 6508 SCTP_TCB_UNLOCK(stcb); 6509 } else { 6510 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6511 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6512 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6513 SCTP_INP_WLOCK(inp); 6514 inp->sctp_ep.port = encaps->sue_port; 6515 SCTP_INP_WUNLOCK(inp); 6516 } else { 6517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6518 error = EINVAL; 6519 } 6520 } 6521 break; 6522 } 6523 case SCTP_ECN_SUPPORTED: 6524 { 6525 struct sctp_assoc_value *av; 6526 6527 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6528 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6529 6530 if (stcb) { 6531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6532 error = EINVAL; 6533 SCTP_TCB_UNLOCK(stcb); 6534 } else { 6535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6537 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6538 SCTP_INP_WLOCK(inp); 6539 if (av->assoc_value == 0) { 6540 inp->ecn_supported = 0; 6541 } else { 6542 inp->ecn_supported = 1; 6543 } 6544 SCTP_INP_WUNLOCK(inp); 6545 } else { 6546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6547 error = EINVAL; 6548 } 6549 } 6550 break; 6551 } 6552 case SCTP_PR_SUPPORTED: 6553 { 6554 struct sctp_assoc_value *av; 6555 6556 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6557 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6558 6559 if (stcb) { 6560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6561 error = EINVAL; 6562 SCTP_TCB_UNLOCK(stcb); 6563 } else { 6564 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6565 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6566 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6567 SCTP_INP_WLOCK(inp); 6568 if (av->assoc_value == 0) { 6569 inp->prsctp_supported = 0; 6570 } else { 6571 inp->prsctp_supported = 1; 6572 } 6573 SCTP_INP_WUNLOCK(inp); 6574 } else { 6575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6576 error = EINVAL; 6577 } 6578 } 6579 break; 6580 } 6581 case SCTP_AUTH_SUPPORTED: 6582 { 6583 struct sctp_assoc_value *av; 6584 6585 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6586 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6587 6588 if (stcb) { 6589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6590 error = EINVAL; 6591 SCTP_TCB_UNLOCK(stcb); 6592 } else { 6593 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6594 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6595 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6596 if ((av->assoc_value == 0) && 6597 (inp->asconf_supported == 1)) { 6598 /* 6599 * AUTH is required for 6600 * ASCONF 6601 */ 6602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6603 error = EINVAL; 6604 } else { 6605 SCTP_INP_WLOCK(inp); 6606 if (av->assoc_value == 0) { 6607 inp->auth_supported = 0; 6608 } else { 6609 inp->auth_supported = 1; 6610 } 6611 SCTP_INP_WUNLOCK(inp); 6612 } 6613 } else { 6614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6615 error = EINVAL; 6616 } 6617 } 6618 break; 6619 } 6620 case SCTP_ASCONF_SUPPORTED: 6621 { 6622 struct sctp_assoc_value *av; 6623 6624 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6625 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6626 6627 if (stcb) { 6628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6629 error = EINVAL; 6630 SCTP_TCB_UNLOCK(stcb); 6631 } else { 6632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6634 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6635 if ((av->assoc_value != 0) && 6636 (inp->auth_supported == 0)) { 6637 /* 6638 * AUTH is required for 6639 * ASCONF 6640 */ 6641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6642 error = EINVAL; 6643 } else { 6644 SCTP_INP_WLOCK(inp); 6645 if (av->assoc_value == 0) { 6646 inp->asconf_supported = 0; 6647 sctp_auth_delete_chunk(SCTP_ASCONF, 6648 inp->sctp_ep.local_auth_chunks); 6649 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6650 inp->sctp_ep.local_auth_chunks); 6651 } else { 6652 inp->asconf_supported = 1; 6653 sctp_auth_add_chunk(SCTP_ASCONF, 6654 inp->sctp_ep.local_auth_chunks); 6655 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6656 inp->sctp_ep.local_auth_chunks); 6657 } 6658 SCTP_INP_WUNLOCK(inp); 6659 } 6660 } else { 6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6662 error = EINVAL; 6663 } 6664 } 6665 break; 6666 } 6667 case SCTP_RECONFIG_SUPPORTED: 6668 { 6669 struct sctp_assoc_value *av; 6670 6671 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6672 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6673 6674 if (stcb) { 6675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6676 error = EINVAL; 6677 SCTP_TCB_UNLOCK(stcb); 6678 } else { 6679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6681 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6682 SCTP_INP_WLOCK(inp); 6683 if (av->assoc_value == 0) { 6684 inp->reconfig_supported = 0; 6685 } else { 6686 inp->reconfig_supported = 1; 6687 } 6688 SCTP_INP_WUNLOCK(inp); 6689 } else { 6690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6691 error = EINVAL; 6692 } 6693 } 6694 break; 6695 } 6696 case SCTP_NRSACK_SUPPORTED: 6697 { 6698 struct sctp_assoc_value *av; 6699 6700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6702 6703 if (stcb) { 6704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6705 error = EINVAL; 6706 SCTP_TCB_UNLOCK(stcb); 6707 } else { 6708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6710 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6711 SCTP_INP_WLOCK(inp); 6712 if (av->assoc_value == 0) { 6713 inp->nrsack_supported = 0; 6714 } else { 6715 inp->nrsack_supported = 1; 6716 } 6717 SCTP_INP_WUNLOCK(inp); 6718 } else { 6719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6720 error = EINVAL; 6721 } 6722 } 6723 break; 6724 } 6725 case SCTP_PKTDROP_SUPPORTED: 6726 { 6727 struct sctp_assoc_value *av; 6728 6729 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6730 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6731 6732 if (stcb) { 6733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6734 error = EINVAL; 6735 SCTP_TCB_UNLOCK(stcb); 6736 } else { 6737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6739 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6740 SCTP_INP_WLOCK(inp); 6741 if (av->assoc_value == 0) { 6742 inp->pktdrop_supported = 0; 6743 } else { 6744 inp->pktdrop_supported = 1; 6745 } 6746 SCTP_INP_WUNLOCK(inp); 6747 } else { 6748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6749 error = EINVAL; 6750 } 6751 } 6752 break; 6753 } 6754 case SCTP_MAX_CWND: 6755 { 6756 struct sctp_assoc_value *av; 6757 struct sctp_nets *net; 6758 6759 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6760 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6761 6762 if (stcb) { 6763 stcb->asoc.max_cwnd = av->assoc_value; 6764 if (stcb->asoc.max_cwnd > 0) { 6765 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6766 if ((net->cwnd > stcb->asoc.max_cwnd) && 6767 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6768 net->cwnd = stcb->asoc.max_cwnd; 6769 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6770 net->cwnd = net->mtu - sizeof(struct sctphdr); 6771 } 6772 } 6773 } 6774 } 6775 SCTP_TCB_UNLOCK(stcb); 6776 } else { 6777 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6778 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6779 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6780 SCTP_INP_WLOCK(inp); 6781 inp->max_cwnd = av->assoc_value; 6782 SCTP_INP_WUNLOCK(inp); 6783 } else { 6784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6785 error = EINVAL; 6786 } 6787 } 6788 break; 6789 } 6790 default: 6791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6792 error = ENOPROTOOPT; 6793 break; 6794 } /* end switch (opt) */ 6795 return (error); 6796 } 6797 6798 int 6799 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6800 { 6801 void *optval = NULL; 6802 size_t optsize = 0; 6803 void *p; 6804 int error = 0; 6805 struct sctp_inpcb *inp; 6806 6807 if ((sopt->sopt_level == SOL_SOCKET) && 6808 (sopt->sopt_name == SO_SETFIB)) { 6809 inp = (struct sctp_inpcb *)so->so_pcb; 6810 if (inp == NULL) { 6811 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6812 return (EINVAL); 6813 } 6814 SCTP_INP_WLOCK(inp); 6815 inp->fibnum = so->so_fibnum; 6816 SCTP_INP_WUNLOCK(inp); 6817 return (0); 6818 } 6819 if (sopt->sopt_level != IPPROTO_SCTP) { 6820 /* wrong proto level... send back up to IP */ 6821 #ifdef INET6 6822 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6823 error = ip6_ctloutput(so, sopt); 6824 #endif /* INET6 */ 6825 #if defined(INET) && defined(INET6) 6826 else 6827 #endif 6828 #ifdef INET 6829 error = ip_ctloutput(so, sopt); 6830 #endif 6831 return (error); 6832 } 6833 optsize = sopt->sopt_valsize; 6834 if (optsize) { 6835 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6836 if (optval == NULL) { 6837 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6838 return (ENOBUFS); 6839 } 6840 error = sooptcopyin(sopt, optval, optsize, optsize); 6841 if (error) { 6842 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6843 goto out; 6844 } 6845 } 6846 p = (void *)sopt->sopt_td; 6847 if (sopt->sopt_dir == SOPT_SET) { 6848 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6849 } else if (sopt->sopt_dir == SOPT_GET) { 6850 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6851 } else { 6852 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6853 error = EINVAL; 6854 } 6855 if ((error == 0) && (optval != NULL)) { 6856 error = sooptcopyout(sopt, optval, optsize); 6857 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6858 } else if (optval != NULL) { 6859 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6860 } 6861 out: 6862 return (error); 6863 } 6864 6865 #ifdef INET 6866 static int 6867 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6868 { 6869 int error = 0; 6870 int create_lock_on = 0; 6871 uint32_t vrf_id; 6872 struct sctp_inpcb *inp; 6873 struct sctp_tcb *stcb = NULL; 6874 6875 inp = (struct sctp_inpcb *)so->so_pcb; 6876 if (inp == NULL) { 6877 /* I made the same as TCP since we are not setup? */ 6878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6879 return (ECONNRESET); 6880 } 6881 if (addr == NULL) { 6882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6883 return EINVAL; 6884 } 6885 6886 switch (addr->sa_family) { 6887 #ifdef INET6 6888 case AF_INET6: 6889 { 6890 struct sockaddr_in6 *sin6p; 6891 6892 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6894 return (EINVAL); 6895 } 6896 sin6p = (struct sockaddr_in6 *)addr; 6897 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6899 return (error); 6900 } 6901 break; 6902 } 6903 #endif 6904 #ifdef INET 6905 case AF_INET: 6906 { 6907 struct sockaddr_in *sinp; 6908 6909 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6911 return (EINVAL); 6912 } 6913 sinp = (struct sockaddr_in *)addr; 6914 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6916 return (error); 6917 } 6918 break; 6919 } 6920 #endif 6921 default: 6922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6923 return (EAFNOSUPPORT); 6924 } 6925 SCTP_INP_INCR_REF(inp); 6926 SCTP_ASOC_CREATE_LOCK(inp); 6927 create_lock_on = 1; 6928 6929 6930 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6931 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6932 /* Should I really unlock ? */ 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6934 error = EFAULT; 6935 goto out_now; 6936 } 6937 #ifdef INET6 6938 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6939 (addr->sa_family == AF_INET6)) { 6940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6941 error = EINVAL; 6942 goto out_now; 6943 } 6944 #endif 6945 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6946 SCTP_PCB_FLAGS_UNBOUND) { 6947 /* Bind a ephemeral port */ 6948 error = sctp_inpcb_bind(so, NULL, NULL, p); 6949 if (error) { 6950 goto out_now; 6951 } 6952 } 6953 /* Now do we connect? */ 6954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6955 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6957 error = EINVAL; 6958 goto out_now; 6959 } 6960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6961 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6962 /* We are already connected AND the TCP model */ 6963 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6964 error = EADDRINUSE; 6965 goto out_now; 6966 } 6967 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6968 SCTP_INP_RLOCK(inp); 6969 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6970 SCTP_INP_RUNLOCK(inp); 6971 } else { 6972 /* 6973 * We increment here since sctp_findassociation_ep_addr() 6974 * will do a decrement if it finds the stcb as long as the 6975 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6976 */ 6977 SCTP_INP_INCR_REF(inp); 6978 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6979 if (stcb == NULL) { 6980 SCTP_INP_DECR_REF(inp); 6981 } else { 6982 SCTP_TCB_UNLOCK(stcb); 6983 } 6984 } 6985 if (stcb != NULL) { 6986 /* Already have or am bring up an association */ 6987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6988 error = EALREADY; 6989 goto out_now; 6990 } 6991 6992 vrf_id = inp->def_vrf_id; 6993 /* We are GOOD to go */ 6994 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6995 inp->sctp_ep.pre_open_stream_count, 6996 inp->sctp_ep.port, p); 6997 if (stcb == NULL) { 6998 /* Gak! no memory */ 6999 goto out_now; 7000 } 7001 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7002 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7003 /* Set the connected flag so we can queue data */ 7004 soisconnecting(so); 7005 } 7006 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7007 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7008 7009 /* initialize authentication parameters for the assoc */ 7010 sctp_initialize_auth_params(inp, stcb); 7011 7012 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7013 SCTP_TCB_UNLOCK(stcb); 7014 out_now: 7015 if (create_lock_on) { 7016 SCTP_ASOC_CREATE_UNLOCK(inp); 7017 } 7018 7019 SCTP_INP_DECR_REF(inp); 7020 return (error); 7021 } 7022 #endif 7023 7024 int 7025 sctp_listen(struct socket *so, int backlog, struct thread *p) 7026 { 7027 /* 7028 * Note this module depends on the protocol processing being called 7029 * AFTER any socket level flags and backlog are applied to the 7030 * socket. The traditional way that the socket flags are applied is 7031 * AFTER protocol processing. We have made a change to the 7032 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7033 * place if the socket API for SCTP is to work properly. 7034 */ 7035 7036 int error = 0; 7037 struct sctp_inpcb *inp; 7038 7039 inp = (struct sctp_inpcb *)so->so_pcb; 7040 if (inp == NULL) { 7041 /* I made the same as TCP since we are not setup? */ 7042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7043 return (ECONNRESET); 7044 } 7045 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7046 /* See if we have a listener */ 7047 struct sctp_inpcb *tinp; 7048 union sctp_sockstore store; 7049 7050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7051 /* not bound all */ 7052 struct sctp_laddr *laddr; 7053 7054 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7055 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7056 switch (store.sa.sa_family) { 7057 #ifdef INET 7058 case AF_INET: 7059 store.sin.sin_port = inp->sctp_lport; 7060 break; 7061 #endif 7062 #ifdef INET6 7063 case AF_INET6: 7064 store.sin6.sin6_port = inp->sctp_lport; 7065 break; 7066 #endif 7067 default: 7068 break; 7069 } 7070 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7071 if (tinp && (tinp != inp) && 7072 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7073 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7074 (SCTP_IS_LISTENING(tinp))) { 7075 /* 7076 * we have a listener already and 7077 * its not this inp. 7078 */ 7079 SCTP_INP_DECR_REF(tinp); 7080 return (EADDRINUSE); 7081 } else if (tinp) { 7082 SCTP_INP_DECR_REF(tinp); 7083 } 7084 } 7085 } else { 7086 /* Setup a local addr bound all */ 7087 memset(&store, 0, sizeof(store)); 7088 #ifdef INET6 7089 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7090 store.sa.sa_family = AF_INET6; 7091 store.sa.sa_len = sizeof(struct sockaddr_in6); 7092 } 7093 #endif 7094 #ifdef INET 7095 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7096 store.sa.sa_family = AF_INET; 7097 store.sa.sa_len = sizeof(struct sockaddr_in); 7098 } 7099 #endif 7100 switch (store.sa.sa_family) { 7101 #ifdef INET 7102 case AF_INET: 7103 store.sin.sin_port = inp->sctp_lport; 7104 break; 7105 #endif 7106 #ifdef INET6 7107 case AF_INET6: 7108 store.sin6.sin6_port = inp->sctp_lport; 7109 break; 7110 #endif 7111 default: 7112 break; 7113 } 7114 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7115 if (tinp && (tinp != inp) && 7116 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7117 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7118 (SCTP_IS_LISTENING(tinp))) { 7119 /* 7120 * we have a listener already and its not 7121 * this inp. 7122 */ 7123 SCTP_INP_DECR_REF(tinp); 7124 return (EADDRINUSE); 7125 } else if (tinp) { 7126 SCTP_INP_DECR_REF(tinp); 7127 } 7128 } 7129 } 7130 SCTP_INP_RLOCK(inp); 7131 #ifdef SCTP_LOCK_LOGGING 7132 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7133 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7134 } 7135 #endif 7136 SOCK_LOCK(so); 7137 error = solisten_proto_check(so); 7138 SOCK_UNLOCK(so); 7139 if (error) { 7140 SCTP_INP_RUNLOCK(inp); 7141 return (error); 7142 } 7143 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7144 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7145 /* 7146 * The unlucky case - We are in the tcp pool with this guy. 7147 * - Someone else is in the main inp slot. - We must move 7148 * this guy (the listener) to the main slot - We must then 7149 * move the guy that was listener to the TCP Pool. 7150 */ 7151 if (sctp_swap_inpcb_for_listen(inp)) { 7152 SCTP_INP_RUNLOCK(inp); 7153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7154 return (EADDRINUSE); 7155 } 7156 } 7157 7158 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7159 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7160 /* We are already connected AND the TCP model */ 7161 SCTP_INP_RUNLOCK(inp); 7162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7163 return (EADDRINUSE); 7164 } 7165 SCTP_INP_RUNLOCK(inp); 7166 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7167 /* We must do a bind. */ 7168 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7169 /* bind error, probably perm */ 7170 return (error); 7171 } 7172 } 7173 SCTP_INP_WLOCK(inp); 7174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7175 SOCK_LOCK(so); 7176 solisten_proto(so, backlog); 7177 SOCK_UNLOCK(so); 7178 } 7179 if (backlog > 0) { 7180 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7181 } else { 7182 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7183 } 7184 SCTP_INP_WUNLOCK(inp); 7185 return (error); 7186 } 7187 7188 static int sctp_defered_wakeup_cnt = 0; 7189 7190 int 7191 sctp_accept(struct socket *so, struct sockaddr **addr) 7192 { 7193 struct sctp_tcb *stcb; 7194 struct sctp_inpcb *inp; 7195 union sctp_sockstore store; 7196 #ifdef INET6 7197 int error; 7198 #endif 7199 inp = (struct sctp_inpcb *)so->so_pcb; 7200 7201 if (inp == NULL) { 7202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7203 return (ECONNRESET); 7204 } 7205 SCTP_INP_RLOCK(inp); 7206 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7207 SCTP_INP_RUNLOCK(inp); 7208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7209 return (EOPNOTSUPP); 7210 } 7211 if (so->so_state & SS_ISDISCONNECTED) { 7212 SCTP_INP_RUNLOCK(inp); 7213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7214 return (ECONNABORTED); 7215 } 7216 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7217 if (stcb == NULL) { 7218 SCTP_INP_RUNLOCK(inp); 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7220 return (ECONNRESET); 7221 } 7222 SCTP_TCB_LOCK(stcb); 7223 SCTP_INP_RUNLOCK(inp); 7224 store = stcb->asoc.primary_destination->ro._l_addr; 7225 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7226 SCTP_TCB_UNLOCK(stcb); 7227 switch (store.sa.sa_family) { 7228 #ifdef INET 7229 case AF_INET: 7230 { 7231 struct sockaddr_in *sin; 7232 7233 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7234 if (sin == NULL) 7235 return (ENOMEM); 7236 sin->sin_family = AF_INET; 7237 sin->sin_len = sizeof(*sin); 7238 sin->sin_port = store.sin.sin_port; 7239 sin->sin_addr = store.sin.sin_addr; 7240 *addr = (struct sockaddr *)sin; 7241 break; 7242 } 7243 #endif 7244 #ifdef INET6 7245 case AF_INET6: 7246 { 7247 struct sockaddr_in6 *sin6; 7248 7249 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7250 if (sin6 == NULL) 7251 return (ENOMEM); 7252 sin6->sin6_family = AF_INET6; 7253 sin6->sin6_len = sizeof(*sin6); 7254 sin6->sin6_port = store.sin6.sin6_port; 7255 sin6->sin6_addr = store.sin6.sin6_addr; 7256 if ((error = sa6_recoverscope(sin6)) != 0) { 7257 SCTP_FREE_SONAME(sin6); 7258 return (error); 7259 } 7260 *addr = (struct sockaddr *)sin6; 7261 break; 7262 } 7263 #endif 7264 default: 7265 /* TSNH */ 7266 break; 7267 } 7268 /* Wake any delayed sleep action */ 7269 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7270 SCTP_INP_WLOCK(inp); 7271 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7272 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7273 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7274 SCTP_INP_WUNLOCK(inp); 7275 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7276 if (sowriteable(inp->sctp_socket)) { 7277 sowwakeup_locked(inp->sctp_socket); 7278 } else { 7279 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7280 } 7281 SCTP_INP_WLOCK(inp); 7282 } 7283 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7284 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7285 SCTP_INP_WUNLOCK(inp); 7286 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7287 if (soreadable(inp->sctp_socket)) { 7288 sctp_defered_wakeup_cnt++; 7289 sorwakeup_locked(inp->sctp_socket); 7290 } else { 7291 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7292 } 7293 SCTP_INP_WLOCK(inp); 7294 } 7295 SCTP_INP_WUNLOCK(inp); 7296 } 7297 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7298 SCTP_TCB_LOCK(stcb); 7299 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7300 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7301 } 7302 return (0); 7303 } 7304 7305 #ifdef INET 7306 int 7307 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7308 { 7309 struct sockaddr_in *sin; 7310 uint32_t vrf_id; 7311 struct sctp_inpcb *inp; 7312 struct sctp_ifa *sctp_ifa; 7313 7314 /* 7315 * Do the malloc first in case it blocks. 7316 */ 7317 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7318 if (sin == NULL) 7319 return (ENOMEM); 7320 sin->sin_family = AF_INET; 7321 sin->sin_len = sizeof(*sin); 7322 inp = (struct sctp_inpcb *)so->so_pcb; 7323 if (!inp) { 7324 SCTP_FREE_SONAME(sin); 7325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7326 return (ECONNRESET); 7327 } 7328 SCTP_INP_RLOCK(inp); 7329 sin->sin_port = inp->sctp_lport; 7330 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7331 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7332 struct sctp_tcb *stcb; 7333 struct sockaddr_in *sin_a; 7334 struct sctp_nets *net; 7335 int fnd; 7336 7337 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7338 if (stcb == NULL) { 7339 goto notConn; 7340 } 7341 fnd = 0; 7342 sin_a = NULL; 7343 SCTP_TCB_LOCK(stcb); 7344 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7345 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7346 if (sin_a == NULL) 7347 /* this will make coverity happy */ 7348 continue; 7349 7350 if (sin_a->sin_family == AF_INET) { 7351 fnd = 1; 7352 break; 7353 } 7354 } 7355 if ((!fnd) || (sin_a == NULL)) { 7356 /* punt */ 7357 SCTP_TCB_UNLOCK(stcb); 7358 goto notConn; 7359 } 7360 7361 vrf_id = inp->def_vrf_id; 7362 sctp_ifa = sctp_source_address_selection(inp, 7363 stcb, 7364 (sctp_route_t *)&net->ro, 7365 net, 0, vrf_id); 7366 if (sctp_ifa) { 7367 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7368 sctp_free_ifa(sctp_ifa); 7369 } 7370 SCTP_TCB_UNLOCK(stcb); 7371 } else { 7372 /* For the bound all case you get back 0 */ 7373 notConn: 7374 sin->sin_addr.s_addr = 0; 7375 } 7376 7377 } else { 7378 /* Take the first IPv4 address in the list */ 7379 struct sctp_laddr *laddr; 7380 int fnd = 0; 7381 7382 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7383 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7384 struct sockaddr_in *sin_a; 7385 7386 sin_a = &laddr->ifa->address.sin; 7387 sin->sin_addr = sin_a->sin_addr; 7388 fnd = 1; 7389 break; 7390 } 7391 } 7392 if (!fnd) { 7393 SCTP_FREE_SONAME(sin); 7394 SCTP_INP_RUNLOCK(inp); 7395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7396 return (ENOENT); 7397 } 7398 } 7399 SCTP_INP_RUNLOCK(inp); 7400 (*addr) = (struct sockaddr *)sin; 7401 return (0); 7402 } 7403 7404 int 7405 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7406 { 7407 struct sockaddr_in *sin; 7408 int fnd; 7409 struct sockaddr_in *sin_a; 7410 struct sctp_inpcb *inp; 7411 struct sctp_tcb *stcb; 7412 struct sctp_nets *net; 7413 7414 /* Do the malloc first in case it blocks. */ 7415 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7416 if (sin == NULL) 7417 return (ENOMEM); 7418 sin->sin_family = AF_INET; 7419 sin->sin_len = sizeof(*sin); 7420 7421 inp = (struct sctp_inpcb *)so->so_pcb; 7422 if ((inp == NULL) || 7423 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7424 /* UDP type and listeners will drop out here */ 7425 SCTP_FREE_SONAME(sin); 7426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7427 return (ENOTCONN); 7428 } 7429 SCTP_INP_RLOCK(inp); 7430 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7431 if (stcb) { 7432 SCTP_TCB_LOCK(stcb); 7433 } 7434 SCTP_INP_RUNLOCK(inp); 7435 if (stcb == NULL) { 7436 SCTP_FREE_SONAME(sin); 7437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7438 return (ECONNRESET); 7439 } 7440 fnd = 0; 7441 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7442 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7443 if (sin_a->sin_family == AF_INET) { 7444 fnd = 1; 7445 sin->sin_port = stcb->rport; 7446 sin->sin_addr = sin_a->sin_addr; 7447 break; 7448 } 7449 } 7450 SCTP_TCB_UNLOCK(stcb); 7451 if (!fnd) { 7452 /* No IPv4 address */ 7453 SCTP_FREE_SONAME(sin); 7454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7455 return (ENOENT); 7456 } 7457 (*addr) = (struct sockaddr *)sin; 7458 return (0); 7459 } 7460 7461 struct pr_usrreqs sctp_usrreqs = { 7462 .pru_abort = sctp_abort, 7463 .pru_accept = sctp_accept, 7464 .pru_attach = sctp_attach, 7465 .pru_bind = sctp_bind, 7466 .pru_connect = sctp_connect, 7467 .pru_control = in_control, 7468 .pru_close = sctp_close, 7469 .pru_detach = sctp_close, 7470 .pru_sopoll = sopoll_generic, 7471 .pru_flush = sctp_flush, 7472 .pru_disconnect = sctp_disconnect, 7473 .pru_listen = sctp_listen, 7474 .pru_peeraddr = sctp_peeraddr, 7475 .pru_send = sctp_sendm, 7476 .pru_shutdown = sctp_shutdown, 7477 .pru_sockaddr = sctp_ingetaddr, 7478 .pru_sosend = sctp_sosend, 7479 .pru_soreceive = sctp_soreceive 7480 }; 7481 #endif 7482