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_m_freem(inp->control); 634 inp->control = NULL; 635 } 636 inp->control = control; 637 } 638 /* Place the data */ 639 if (inp->pkt) { 640 SCTP_BUF_NEXT(inp->pkt_last) = m; 641 inp->pkt_last = m; 642 } else { 643 inp->pkt_last = inp->pkt = m; 644 } 645 if ( 646 /* FreeBSD uses a flag passed */ 647 ((flags & PRUS_MORETOCOME) == 0) 648 ) { 649 /* 650 * note with the current version this code will only be used 651 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 652 * re-defining sosend to use the sctp_sosend. One can 653 * optionally switch back to this code (by changing back the 654 * definitions) but this is not advisable. This code is used 655 * by FreeBSD when sending a file with sendfile() though. 656 */ 657 int ret; 658 659 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 660 inp->pkt = NULL; 661 inp->control = NULL; 662 return (ret); 663 } else { 664 return (0); 665 } 666 } 667 668 int 669 sctp_disconnect(struct socket *so) 670 { 671 struct sctp_inpcb *inp; 672 673 inp = (struct sctp_inpcb *)so->so_pcb; 674 if (inp == NULL) { 675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 676 return (ENOTCONN); 677 } 678 SCTP_INP_RLOCK(inp); 679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 681 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 682 /* No connection */ 683 SCTP_INP_RUNLOCK(inp); 684 return (0); 685 } else { 686 struct sctp_association *asoc; 687 struct sctp_tcb *stcb; 688 689 stcb = LIST_FIRST(&inp->sctp_asoc_list); 690 if (stcb == NULL) { 691 SCTP_INP_RUNLOCK(inp); 692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 693 return (EINVAL); 694 } 695 SCTP_TCB_LOCK(stcb); 696 asoc = &stcb->asoc; 697 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 698 /* We are about to be freed, out of here */ 699 SCTP_TCB_UNLOCK(stcb); 700 SCTP_INP_RUNLOCK(inp); 701 return (0); 702 } 703 if (((so->so_options & SO_LINGER) && 704 (so->so_linger == 0)) || 705 (so->so_rcv.sb_cc > 0)) { 706 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 707 /* Left with Data unread */ 708 struct mbuf *op_err; 709 710 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 711 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 712 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 713 } 714 SCTP_INP_RUNLOCK(inp); 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 720 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 721 /* No unlock tcb assoc is gone */ 722 return (0); 723 } 724 if (TAILQ_EMPTY(&asoc->send_queue) && 725 TAILQ_EMPTY(&asoc->sent_queue) && 726 (asoc->stream_queue_cnt == 0)) { 727 /* there is nothing queued to send, so done */ 728 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 729 goto abort_anyway; 730 } 731 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 732 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 733 /* only send SHUTDOWN 1st time thru */ 734 struct sctp_nets *netp; 735 736 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 737 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 738 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 739 } 740 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 741 sctp_stop_timers_for_shutdown(stcb); 742 if (stcb->asoc.alternate) { 743 netp = stcb->asoc.alternate; 744 } else { 745 netp = stcb->asoc.primary_destination; 746 } 747 sctp_send_shutdown(stcb, netp); 748 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 749 stcb->sctp_ep, stcb, netp); 750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 751 stcb->sctp_ep, stcb, netp); 752 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 753 } 754 } else { 755 /* 756 * we still got (or just got) data to send, 757 * so set SHUTDOWN_PENDING 758 */ 759 /* 760 * XXX sockets draft says that SCTP_EOF 761 * should be sent with no data. currently, 762 * we will allow user data to be sent first 763 * and move to SHUTDOWN-PENDING 764 */ 765 struct sctp_nets *netp; 766 767 if (stcb->asoc.alternate) { 768 netp = stcb->asoc.alternate; 769 } else { 770 netp = stcb->asoc.primary_destination; 771 } 772 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 774 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 775 netp); 776 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 777 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 778 } 779 if (TAILQ_EMPTY(&asoc->send_queue) && 780 TAILQ_EMPTY(&asoc->sent_queue) && 781 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 782 struct mbuf *op_err; 783 784 abort_anyway: 785 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 786 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 787 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 788 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 789 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 790 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 791 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 792 } 793 SCTP_INP_RUNLOCK(inp); 794 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 795 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 796 return (0); 797 } else { 798 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 799 } 800 } 801 soisdisconnecting(so); 802 SCTP_TCB_UNLOCK(stcb); 803 SCTP_INP_RUNLOCK(inp); 804 return (0); 805 } 806 /* not reached */ 807 } else { 808 /* UDP model does not support this */ 809 SCTP_INP_RUNLOCK(inp); 810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 811 return (EOPNOTSUPP); 812 } 813 } 814 815 int 816 sctp_flush(struct socket *so, int how) 817 { 818 /* 819 * We will just clear out the values and let subsequent close clear 820 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 821 * they will not be able to read the data, the socket will block 822 * that from happening. 823 */ 824 struct sctp_inpcb *inp; 825 826 inp = (struct sctp_inpcb *)so->so_pcb; 827 if (inp == NULL) { 828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 829 return (EINVAL); 830 } 831 SCTP_INP_RLOCK(inp); 832 /* For the 1 to many model this does nothing */ 833 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 834 SCTP_INP_RUNLOCK(inp); 835 return (0); 836 } 837 SCTP_INP_RUNLOCK(inp); 838 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 839 /* 840 * First make sure the sb will be happy, we don't use these 841 * except maybe the count 842 */ 843 SCTP_INP_WLOCK(inp); 844 SCTP_INP_READ_LOCK(inp); 845 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 846 SCTP_INP_READ_UNLOCK(inp); 847 SCTP_INP_WUNLOCK(inp); 848 so->so_rcv.sb_cc = 0; 849 so->so_rcv.sb_mbcnt = 0; 850 so->so_rcv.sb_mb = NULL; 851 } 852 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 853 /* 854 * First make sure the sb will be happy, we don't use these 855 * except maybe the count 856 */ 857 so->so_snd.sb_cc = 0; 858 so->so_snd.sb_mbcnt = 0; 859 so->so_snd.sb_mb = NULL; 860 861 } 862 return (0); 863 } 864 865 int 866 sctp_shutdown(struct socket *so) 867 { 868 struct sctp_inpcb *inp; 869 870 inp = (struct sctp_inpcb *)so->so_pcb; 871 if (inp == NULL) { 872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 873 return (EINVAL); 874 } 875 SCTP_INP_RLOCK(inp); 876 /* For UDP model this is a invalid call */ 877 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 879 /* Restore the flags that the soshutdown took away. */ 880 SOCKBUF_LOCK(&so->so_rcv); 881 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 882 SOCKBUF_UNLOCK(&so->so_rcv); 883 /* This proc will wakeup for read and do nothing (I hope) */ 884 SCTP_INP_RUNLOCK(inp); 885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 886 return (EOPNOTSUPP); 887 } else { 888 /* 889 * Ok, if we reach here its the TCP model and it is either a 890 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 891 * against it. 892 */ 893 struct sctp_tcb *stcb; 894 struct sctp_association *asoc; 895 struct sctp_nets *netp; 896 897 if ((so->so_state & 898 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 899 SCTP_INP_RUNLOCK(inp); 900 return (ENOTCONN); 901 } 902 socantsendmore(so); 903 904 stcb = LIST_FIRST(&inp->sctp_asoc_list); 905 if (stcb == NULL) { 906 /* 907 * Ok, we hit the case that the shutdown call was 908 * made after an abort or something. Nothing to do 909 * now. 910 */ 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 SCTP_TCB_LOCK(stcb); 915 asoc = &stcb->asoc; 916 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 923 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 924 /* 925 * If we are not in or before ESTABLISHED, there is 926 * no protocol action required. 927 */ 928 SCTP_TCB_UNLOCK(stcb); 929 SCTP_INP_RUNLOCK(inp); 930 return (0); 931 } 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 sctp_abort_an_association(stcb->sctp_ep, stcb, 969 op_err, SCTP_SO_LOCKED); 970 SCTP_INP_RUNLOCK(inp); 971 return (0); 972 } 973 } 974 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 975 /* 976 * XXX: Why do this in the case where we have still data 977 * queued? 978 */ 979 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 980 SCTP_TCB_UNLOCK(stcb); 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 } 985 986 /* 987 * copies a "user" presentable address and removes embedded scope, etc. 988 * returns 0 on success, 1 on error 989 */ 990 static uint32_t 991 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 992 { 993 #ifdef INET6 994 struct sockaddr_in6 lsa6; 995 996 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 997 &lsa6); 998 #endif 999 memcpy(ss, sa, sa->sa_len); 1000 return (0); 1001 } 1002 1003 1004 1005 /* 1006 * NOTE: assumes addr lock is held 1007 */ 1008 static size_t 1009 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1010 struct sctp_tcb *stcb, 1011 size_t limit, 1012 struct sockaddr_storage *sas, 1013 uint32_t vrf_id) 1014 { 1015 struct sctp_ifn *sctp_ifn; 1016 struct sctp_ifa *sctp_ifa; 1017 size_t actual; 1018 int loopback_scope; 1019 #if defined(INET) 1020 int ipv4_local_scope, ipv4_addr_legal; 1021 #endif 1022 #if defined(INET6) 1023 int local_scope, site_scope, ipv6_addr_legal; 1024 #endif 1025 struct sctp_vrf *vrf; 1026 1027 actual = 0; 1028 if (limit <= 0) 1029 return (actual); 1030 1031 if (stcb) { 1032 /* Turn on all the appropriate scope */ 1033 loopback_scope = stcb->asoc.scope.loopback_scope; 1034 #if defined(INET) 1035 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1036 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1037 #endif 1038 #if defined(INET6) 1039 local_scope = stcb->asoc.scope.local_scope; 1040 site_scope = stcb->asoc.scope.site_scope; 1041 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1042 #endif 1043 } else { 1044 /* Use generic values for endpoints. */ 1045 loopback_scope = 1; 1046 #if defined(INET) 1047 ipv4_local_scope = 1; 1048 #endif 1049 #if defined(INET6) 1050 local_scope = 1; 1051 site_scope = 1; 1052 #endif 1053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1054 #if defined(INET6) 1055 ipv6_addr_legal = 1; 1056 #endif 1057 #if defined(INET) 1058 if (SCTP_IPV6_V6ONLY(inp)) { 1059 ipv4_addr_legal = 0; 1060 } else { 1061 ipv4_addr_legal = 1; 1062 } 1063 #endif 1064 } else { 1065 #if defined(INET6) 1066 ipv6_addr_legal = 0; 1067 #endif 1068 #if defined(INET) 1069 ipv4_addr_legal = 1; 1070 #endif 1071 } 1072 } 1073 vrf = sctp_find_vrf(vrf_id); 1074 if (vrf == NULL) { 1075 return (0); 1076 } 1077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1078 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1079 if ((loopback_scope == 0) && 1080 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1081 /* Skip loopback if loopback_scope not set */ 1082 continue; 1083 } 1084 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1085 if (stcb) { 1086 /* 1087 * For the BOUND-ALL case, the list 1088 * associated with a TCB is Always 1089 * considered a reverse list.. i.e. 1090 * it lists addresses that are NOT 1091 * part of the association. If this 1092 * is one of those we must skip it. 1093 */ 1094 if (sctp_is_addr_restricted(stcb, 1095 sctp_ifa)) { 1096 continue; 1097 } 1098 } 1099 switch (sctp_ifa->address.sa.sa_family) { 1100 #ifdef INET 1101 case AF_INET: 1102 if (ipv4_addr_legal) { 1103 struct sockaddr_in *sin; 1104 1105 sin = &sctp_ifa->address.sin; 1106 if (sin->sin_addr.s_addr == 0) { 1107 /* 1108 * we skip 1109 * unspecifed 1110 * addresses 1111 */ 1112 continue; 1113 } 1114 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1115 &sin->sin_addr) != 0) { 1116 continue; 1117 } 1118 if ((ipv4_local_scope == 0) && 1119 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1120 continue; 1121 } 1122 #ifdef INET6 1123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1124 if (actual + sizeof(struct sockaddr_in6) > limit) { 1125 return (actual); 1126 } 1127 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1128 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1129 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1130 actual += sizeof(struct sockaddr_in6); 1131 } else { 1132 #endif 1133 if (actual + sizeof(struct sockaddr_in) > limit) { 1134 return (actual); 1135 } 1136 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1137 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1138 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1139 actual += sizeof(struct sockaddr_in); 1140 #ifdef INET6 1141 } 1142 #endif 1143 } else { 1144 continue; 1145 } 1146 break; 1147 #endif 1148 #ifdef INET6 1149 case AF_INET6: 1150 if (ipv6_addr_legal) { 1151 struct sockaddr_in6 *sin6; 1152 1153 sin6 = &sctp_ifa->address.sin6; 1154 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1155 /* 1156 * we skip 1157 * unspecifed 1158 * addresses 1159 */ 1160 continue; 1161 } 1162 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1163 &sin6->sin6_addr) != 0) { 1164 continue; 1165 } 1166 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1167 if (local_scope == 0) 1168 continue; 1169 if (sin6->sin6_scope_id == 0) { 1170 if (sa6_recoverscope(sin6) != 0) 1171 /* 1172 * 1173 * bad 1174 * link 1175 * 1176 * local 1177 * 1178 * address 1179 */ 1180 continue; 1181 } 1182 } 1183 if ((site_scope == 0) && 1184 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1185 continue; 1186 } 1187 if (actual + sizeof(struct sockaddr_in6) > limit) { 1188 return (actual); 1189 } 1190 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1191 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1192 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1193 actual += sizeof(struct sockaddr_in6); 1194 } else { 1195 continue; 1196 } 1197 break; 1198 #endif 1199 default: 1200 /* TSNH */ 1201 break; 1202 } 1203 } 1204 } 1205 } else { 1206 struct sctp_laddr *laddr; 1207 size_t sa_len; 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 sa_len = laddr->ifa->address.sa.sa_len; 1216 if (actual + sa_len > limit) { 1217 return (actual); 1218 } 1219 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1220 continue; 1221 switch (laddr->ifa->address.sa.sa_family) { 1222 #ifdef INET 1223 case AF_INET: 1224 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 default: 1233 /* TSNH */ 1234 break; 1235 } 1236 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1237 actual += sa_len; 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, 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(sctp_assoc_t); 2243 *optsize = sizeof(sctp_assoc_t); 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(sctp_assoc_t) + 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 net = stcb->asoc.primary_destination; 2647 if (net != NULL) { 2648 memcpy(&sstat->sstat_primary.spinfo_address, 2649 &stcb->asoc.primary_destination->ro._l_addr, 2650 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2651 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2652 /* 2653 * Again the user can get info from 2654 * sctp_constants.h for what the state of 2655 * the network is. 2656 */ 2657 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2658 /* It's unconfirmed */ 2659 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2660 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2661 /* It's active */ 2662 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2663 } else { 2664 /* It's inactive */ 2665 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2666 } 2667 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2668 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2669 sstat->sstat_primary.spinfo_rto = net->RTO; 2670 sstat->sstat_primary.spinfo_mtu = net->mtu; 2671 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2672 #if defined(INET) 2673 case AF_INET: 2674 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2675 break; 2676 #endif 2677 #if defined(INET6) 2678 case AF_INET6: 2679 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2680 break; 2681 #endif 2682 default: 2683 break; 2684 } 2685 } else { 2686 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2687 } 2688 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2689 SCTP_TCB_UNLOCK(stcb); 2690 *optsize = sizeof(struct sctp_status); 2691 break; 2692 } 2693 case SCTP_RTOINFO: 2694 { 2695 struct sctp_rtoinfo *srto; 2696 2697 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2698 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2699 2700 if (stcb) { 2701 srto->srto_initial = stcb->asoc.initial_rto; 2702 srto->srto_max = stcb->asoc.maxrto; 2703 srto->srto_min = stcb->asoc.minrto; 2704 SCTP_TCB_UNLOCK(stcb); 2705 } else { 2706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2708 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2709 SCTP_INP_RLOCK(inp); 2710 srto->srto_initial = inp->sctp_ep.initial_rto; 2711 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2712 srto->srto_min = inp->sctp_ep.sctp_minrto; 2713 SCTP_INP_RUNLOCK(inp); 2714 } else { 2715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2716 error = EINVAL; 2717 } 2718 } 2719 if (error == 0) { 2720 *optsize = sizeof(struct sctp_rtoinfo); 2721 } 2722 break; 2723 } 2724 case SCTP_TIMEOUTS: 2725 { 2726 struct sctp_timeouts *stimo; 2727 2728 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2729 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2730 2731 if (stcb) { 2732 stimo->stimo_init = stcb->asoc.timoinit; 2733 stimo->stimo_data = stcb->asoc.timodata; 2734 stimo->stimo_sack = stcb->asoc.timosack; 2735 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2736 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2737 stimo->stimo_cookie = stcb->asoc.timocookie; 2738 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2739 SCTP_TCB_UNLOCK(stcb); 2740 *optsize = sizeof(struct sctp_timeouts); 2741 } else { 2742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2743 error = EINVAL; 2744 } 2745 break; 2746 } 2747 case SCTP_ASSOCINFO: 2748 { 2749 struct sctp_assocparams *sasoc; 2750 2751 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2752 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2753 2754 if (stcb) { 2755 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2756 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2757 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2758 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2759 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2760 SCTP_TCB_UNLOCK(stcb); 2761 } else { 2762 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2763 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2764 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2765 SCTP_INP_RLOCK(inp); 2766 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2767 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2768 sasoc->sasoc_number_peer_destinations = 0; 2769 sasoc->sasoc_peer_rwnd = 0; 2770 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2771 SCTP_INP_RUNLOCK(inp); 2772 } else { 2773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2774 error = EINVAL; 2775 } 2776 } 2777 if (error == 0) { 2778 *optsize = sizeof(struct sctp_assocparams); 2779 } 2780 break; 2781 } 2782 case SCTP_DEFAULT_SEND_PARAM: 2783 { 2784 struct sctp_sndrcvinfo *s_info; 2785 2786 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2787 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2788 2789 if (stcb) { 2790 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2791 SCTP_TCB_UNLOCK(stcb); 2792 } else { 2793 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2794 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2795 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2796 SCTP_INP_RLOCK(inp); 2797 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2798 SCTP_INP_RUNLOCK(inp); 2799 } else { 2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2801 error = EINVAL; 2802 } 2803 } 2804 if (error == 0) { 2805 *optsize = sizeof(struct sctp_sndrcvinfo); 2806 } 2807 break; 2808 } 2809 case SCTP_INITMSG: 2810 { 2811 struct sctp_initmsg *sinit; 2812 2813 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2814 SCTP_INP_RLOCK(inp); 2815 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2816 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2817 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2818 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2819 SCTP_INP_RUNLOCK(inp); 2820 *optsize = sizeof(struct sctp_initmsg); 2821 break; 2822 } 2823 case SCTP_PRIMARY_ADDR: 2824 /* we allow a "get" operation on this */ 2825 { 2826 struct sctp_setprim *ssp; 2827 2828 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2829 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2830 2831 if (stcb) { 2832 union sctp_sockstore *addr; 2833 2834 addr = &stcb->asoc.primary_destination->ro._l_addr; 2835 switch (addr->sa.sa_family) { 2836 #ifdef INET 2837 case AF_INET: 2838 #ifdef INET6 2839 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2840 in6_sin_2_v4mapsin6(&addr->sin, 2841 (struct sockaddr_in6 *)&ssp->ssp_addr); 2842 } else { 2843 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2844 } 2845 #else 2846 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2847 #endif 2848 break; 2849 #endif 2850 #ifdef INET6 2851 case AF_INET6: 2852 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2853 break; 2854 #endif 2855 default: 2856 break; 2857 } 2858 SCTP_TCB_UNLOCK(stcb); 2859 *optsize = sizeof(struct sctp_setprim); 2860 } else { 2861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2862 error = EINVAL; 2863 } 2864 break; 2865 } 2866 case SCTP_HMAC_IDENT: 2867 { 2868 struct sctp_hmacalgo *shmac; 2869 sctp_hmaclist_t *hmaclist; 2870 uint32_t size; 2871 int i; 2872 2873 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2874 2875 SCTP_INP_RLOCK(inp); 2876 hmaclist = inp->sctp_ep.local_hmacs; 2877 if (hmaclist == NULL) { 2878 /* no HMACs to return */ 2879 *optsize = sizeof(*shmac); 2880 SCTP_INP_RUNLOCK(inp); 2881 break; 2882 } 2883 /* is there room for all of the hmac ids? */ 2884 size = sizeof(*shmac) + (hmaclist->num_algo * 2885 sizeof(shmac->shmac_idents[0])); 2886 if ((size_t)(*optsize) < size) { 2887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2888 error = EINVAL; 2889 SCTP_INP_RUNLOCK(inp); 2890 break; 2891 } 2892 /* copy in the list */ 2893 shmac->shmac_number_of_idents = hmaclist->num_algo; 2894 for (i = 0; i < hmaclist->num_algo; i++) { 2895 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2896 } 2897 SCTP_INP_RUNLOCK(inp); 2898 *optsize = size; 2899 break; 2900 } 2901 case SCTP_AUTH_ACTIVE_KEY: 2902 { 2903 struct sctp_authkeyid *scact; 2904 2905 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2906 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2907 2908 if (stcb) { 2909 /* get the active key on the assoc */ 2910 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2911 SCTP_TCB_UNLOCK(stcb); 2912 } else { 2913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2915 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2916 /* get the endpoint active key */ 2917 SCTP_INP_RLOCK(inp); 2918 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2919 SCTP_INP_RUNLOCK(inp); 2920 } else { 2921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2922 error = EINVAL; 2923 } 2924 } 2925 if (error == 0) { 2926 *optsize = sizeof(struct sctp_authkeyid); 2927 } 2928 break; 2929 } 2930 case SCTP_LOCAL_AUTH_CHUNKS: 2931 { 2932 struct sctp_authchunks *sac; 2933 sctp_auth_chklist_t *chklist = NULL; 2934 size_t size = 0; 2935 2936 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2937 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2938 2939 if (stcb) { 2940 /* get off the assoc */ 2941 chklist = stcb->asoc.local_auth_chunks; 2942 /* is there enough space? */ 2943 size = sctp_auth_get_chklist_size(chklist); 2944 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2945 error = EINVAL; 2946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2947 } else { 2948 /* copy in the chunks */ 2949 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2950 sac->gauth_number_of_chunks = (uint32_t)size; 2951 *optsize = sizeof(struct sctp_authchunks) + size; 2952 } 2953 SCTP_TCB_UNLOCK(stcb); 2954 } else { 2955 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2956 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2957 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2958 /* get off the endpoint */ 2959 SCTP_INP_RLOCK(inp); 2960 chklist = inp->sctp_ep.local_auth_chunks; 2961 /* is there enough space? */ 2962 size = sctp_auth_get_chklist_size(chklist); 2963 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2964 error = EINVAL; 2965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2966 } else { 2967 /* copy in the chunks */ 2968 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2969 sac->gauth_number_of_chunks = (uint32_t)size; 2970 *optsize = sizeof(struct sctp_authchunks) + size; 2971 } 2972 SCTP_INP_RUNLOCK(inp); 2973 } else { 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2975 error = EINVAL; 2976 } 2977 } 2978 break; 2979 } 2980 case SCTP_PEER_AUTH_CHUNKS: 2981 { 2982 struct sctp_authchunks *sac; 2983 sctp_auth_chklist_t *chklist = NULL; 2984 size_t size = 0; 2985 2986 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2987 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2988 2989 if (stcb) { 2990 /* get off the assoc */ 2991 chklist = stcb->asoc.peer_auth_chunks; 2992 /* is there enough space? */ 2993 size = sctp_auth_get_chklist_size(chklist); 2994 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2995 error = EINVAL; 2996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2997 } else { 2998 /* copy in the chunks */ 2999 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3000 sac->gauth_number_of_chunks = (uint32_t)size; 3001 *optsize = sizeof(struct sctp_authchunks) + size; 3002 } 3003 SCTP_TCB_UNLOCK(stcb); 3004 } else { 3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3006 error = ENOENT; 3007 } 3008 break; 3009 } 3010 case SCTP_EVENT: 3011 { 3012 struct sctp_event *event; 3013 uint32_t event_type; 3014 3015 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3016 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3017 3018 switch (event->se_type) { 3019 case SCTP_ASSOC_CHANGE: 3020 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3021 break; 3022 case SCTP_PEER_ADDR_CHANGE: 3023 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3024 break; 3025 case SCTP_REMOTE_ERROR: 3026 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3027 break; 3028 case SCTP_SEND_FAILED: 3029 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3030 break; 3031 case SCTP_SHUTDOWN_EVENT: 3032 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3033 break; 3034 case SCTP_ADAPTATION_INDICATION: 3035 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3036 break; 3037 case SCTP_PARTIAL_DELIVERY_EVENT: 3038 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3039 break; 3040 case SCTP_AUTHENTICATION_EVENT: 3041 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3042 break; 3043 case SCTP_STREAM_RESET_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3045 break; 3046 case SCTP_SENDER_DRY_EVENT: 3047 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3048 break; 3049 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3052 error = ENOTSUP; 3053 break; 3054 case SCTP_ASSOC_RESET_EVENT: 3055 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3056 break; 3057 case SCTP_STREAM_CHANGE_EVENT: 3058 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3059 break; 3060 case SCTP_SEND_FAILED_EVENT: 3061 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3062 break; 3063 default: 3064 event_type = 0; 3065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3066 error = EINVAL; 3067 break; 3068 } 3069 if (event_type > 0) { 3070 if (stcb) { 3071 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3072 } else { 3073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3075 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3076 SCTP_INP_RLOCK(inp); 3077 event->se_on = sctp_is_feature_on(inp, event_type); 3078 SCTP_INP_RUNLOCK(inp); 3079 } else { 3080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3081 error = EINVAL; 3082 } 3083 } 3084 } 3085 if (stcb != NULL) { 3086 SCTP_TCB_UNLOCK(stcb); 3087 } 3088 if (error == 0) { 3089 *optsize = sizeof(struct sctp_event); 3090 } 3091 break; 3092 } 3093 case SCTP_RECVRCVINFO: 3094 { 3095 int onoff; 3096 3097 if (*optsize < sizeof(int)) { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } else { 3101 SCTP_INP_RLOCK(inp); 3102 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3103 SCTP_INP_RUNLOCK(inp); 3104 } 3105 if (error == 0) { 3106 /* return the option value */ 3107 *(int *)optval = onoff; 3108 *optsize = sizeof(int); 3109 } 3110 break; 3111 } 3112 case SCTP_RECVNXTINFO: 3113 { 3114 int onoff; 3115 3116 if (*optsize < sizeof(int)) { 3117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118 error = EINVAL; 3119 } else { 3120 SCTP_INP_RLOCK(inp); 3121 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3122 SCTP_INP_RUNLOCK(inp); 3123 } 3124 if (error == 0) { 3125 /* return the option value */ 3126 *(int *)optval = onoff; 3127 *optsize = sizeof(int); 3128 } 3129 break; 3130 } 3131 case SCTP_DEFAULT_SNDINFO: 3132 { 3133 struct sctp_sndinfo *info; 3134 3135 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3136 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3137 3138 if (stcb) { 3139 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3140 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3141 info->snd_flags &= 0xfff0; 3142 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3143 info->snd_context = stcb->asoc.def_send.sinfo_context; 3144 SCTP_TCB_UNLOCK(stcb); 3145 } else { 3146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3148 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3149 SCTP_INP_RLOCK(inp); 3150 info->snd_sid = inp->def_send.sinfo_stream; 3151 info->snd_flags = inp->def_send.sinfo_flags; 3152 info->snd_flags &= 0xfff0; 3153 info->snd_ppid = inp->def_send.sinfo_ppid; 3154 info->snd_context = inp->def_send.sinfo_context; 3155 SCTP_INP_RUNLOCK(inp); 3156 } else { 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3158 error = EINVAL; 3159 } 3160 } 3161 if (error == 0) { 3162 *optsize = sizeof(struct sctp_sndinfo); 3163 } 3164 break; 3165 } 3166 case SCTP_DEFAULT_PRINFO: 3167 { 3168 struct sctp_default_prinfo *info; 3169 3170 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3171 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3172 3173 if (stcb) { 3174 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3175 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3176 SCTP_TCB_UNLOCK(stcb); 3177 } else { 3178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3180 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3181 SCTP_INP_RLOCK(inp); 3182 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3183 info->pr_value = inp->def_send.sinfo_timetolive; 3184 SCTP_INP_RUNLOCK(inp); 3185 } else { 3186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3187 error = EINVAL; 3188 } 3189 } 3190 if (error == 0) { 3191 *optsize = sizeof(struct sctp_default_prinfo); 3192 } 3193 break; 3194 } 3195 case SCTP_PEER_ADDR_THLDS: 3196 { 3197 struct sctp_paddrthlds *thlds; 3198 struct sctp_nets *net; 3199 struct sockaddr *addr; 3200 #if defined(INET) && defined(INET6) 3201 struct sockaddr_in sin_store; 3202 #endif 3203 3204 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3205 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3206 3207 #if defined(INET) && defined(INET6) 3208 if (thlds->spt_address.ss_family == AF_INET6) { 3209 struct sockaddr_in6 *sin6; 3210 3211 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3212 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3213 in6_sin6_2_sin(&sin_store, sin6); 3214 addr = (struct sockaddr *)&sin_store; 3215 } else { 3216 addr = (struct sockaddr *)&thlds->spt_address; 3217 } 3218 } else { 3219 addr = (struct sockaddr *)&thlds->spt_address; 3220 } 3221 #else 3222 addr = (struct sockaddr *)&thlds->spt_address; 3223 #endif 3224 if (stcb != NULL) { 3225 net = sctp_findnet(stcb, addr); 3226 } else { 3227 /* 3228 * We increment here since 3229 * sctp_findassociation_ep_addr() wil do a 3230 * decrement if it finds the stcb as long as 3231 * the locked tcb (last argument) is NOT a 3232 * TCB.. aka NULL. 3233 */ 3234 net = NULL; 3235 SCTP_INP_INCR_REF(inp); 3236 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3237 if (stcb == NULL) { 3238 SCTP_INP_DECR_REF(inp); 3239 } 3240 } 3241 if ((stcb != NULL) && (net == NULL)) { 3242 #ifdef INET 3243 if (addr->sa_family == AF_INET) { 3244 struct sockaddr_in *sin; 3245 3246 sin = (struct sockaddr_in *)addr; 3247 if (sin->sin_addr.s_addr != INADDR_ANY) { 3248 error = EINVAL; 3249 SCTP_TCB_UNLOCK(stcb); 3250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3251 break; 3252 } 3253 } else 3254 #endif 3255 #ifdef INET6 3256 if (addr->sa_family == AF_INET6) { 3257 struct sockaddr_in6 *sin6; 3258 3259 sin6 = (struct sockaddr_in6 *)addr; 3260 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3261 error = EINVAL; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } else 3267 #endif 3268 { 3269 error = EAFNOSUPPORT; 3270 SCTP_TCB_UNLOCK(stcb); 3271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3272 break; 3273 } 3274 } 3275 3276 if (stcb != NULL) { 3277 if (net != NULL) { 3278 thlds->spt_pathmaxrxt = net->failure_threshold; 3279 thlds->spt_pathpfthld = net->pf_threshold; 3280 thlds->spt_pathcpthld = 0xffff; 3281 } else { 3282 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3283 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3284 thlds->spt_pathcpthld = 0xffff; 3285 } 3286 thlds->spt_assoc_id = sctp_get_associd(stcb); 3287 SCTP_TCB_UNLOCK(stcb); 3288 } else { 3289 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3290 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3291 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3292 /* Use endpoint defaults */ 3293 SCTP_INP_RLOCK(inp); 3294 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3295 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3296 thlds->spt_pathcpthld = 0xffff; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 #if defined(INET) && defined(INET6) 3314 struct sockaddr_in sin_store; 3315 #endif 3316 3317 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3318 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3319 3320 #if defined(INET) && defined(INET6) 3321 if (encaps->sue_address.ss_family == AF_INET6) { 3322 struct sockaddr_in6 *sin6; 3323 3324 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3325 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3326 in6_sin6_2_sin(&sin_store, sin6); 3327 addr = (struct sockaddr *)&sin_store; 3328 } else { 3329 addr = (struct sockaddr *)&encaps->sue_address; 3330 } 3331 } else { 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333 } 3334 #else 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336 #endif 3337 if (stcb) { 3338 net = sctp_findnet(stcb, addr); 3339 } else { 3340 /* 3341 * We increment here since 3342 * sctp_findassociation_ep_addr() wil do a 3343 * decrement if it finds the stcb as long as 3344 * the locked tcb (last argument) is NOT a 3345 * TCB.. aka NULL. 3346 */ 3347 net = NULL; 3348 SCTP_INP_INCR_REF(inp); 3349 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3350 if (stcb == NULL) { 3351 SCTP_INP_DECR_REF(inp); 3352 } 3353 } 3354 if ((stcb != NULL) && (net == NULL)) { 3355 #ifdef INET 3356 if (addr->sa_family == AF_INET) { 3357 struct sockaddr_in *sin; 3358 3359 sin = (struct sockaddr_in *)addr; 3360 if (sin->sin_addr.s_addr != INADDR_ANY) { 3361 error = EINVAL; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } else 3367 #endif 3368 #ifdef INET6 3369 if (addr->sa_family == AF_INET6) { 3370 struct sockaddr_in6 *sin6; 3371 3372 sin6 = (struct sockaddr_in6 *)addr; 3373 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3374 error = EINVAL; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } else 3380 #endif 3381 { 3382 error = EAFNOSUPPORT; 3383 SCTP_TCB_UNLOCK(stcb); 3384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3385 break; 3386 } 3387 } 3388 3389 if (stcb != NULL) { 3390 if (net) { 3391 encaps->sue_port = net->port; 3392 } else { 3393 encaps->sue_port = stcb->asoc.port; 3394 } 3395 SCTP_TCB_UNLOCK(stcb); 3396 } else { 3397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3398 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3399 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3400 SCTP_INP_RLOCK(inp); 3401 encaps->sue_port = inp->sctp_ep.port; 3402 SCTP_INP_RUNLOCK(inp); 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 error = EINVAL; 3406 } 3407 } 3408 if (error == 0) { 3409 *optsize = sizeof(struct sctp_udpencaps); 3410 } 3411 break; 3412 } 3413 case SCTP_ECN_SUPPORTED: 3414 { 3415 struct sctp_assoc_value *av; 3416 3417 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3418 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3419 3420 if (stcb) { 3421 av->assoc_value = stcb->asoc.ecn_supported; 3422 SCTP_TCB_UNLOCK(stcb); 3423 } else { 3424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3426 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3427 SCTP_INP_RLOCK(inp); 3428 av->assoc_value = inp->ecn_supported; 3429 SCTP_INP_RUNLOCK(inp); 3430 } else { 3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3432 error = EINVAL; 3433 } 3434 } 3435 if (error == 0) { 3436 *optsize = sizeof(struct sctp_assoc_value); 3437 } 3438 break; 3439 } 3440 case SCTP_PR_SUPPORTED: 3441 { 3442 struct sctp_assoc_value *av; 3443 3444 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3445 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3446 3447 if (stcb) { 3448 av->assoc_value = stcb->asoc.prsctp_supported; 3449 SCTP_TCB_UNLOCK(stcb); 3450 } else { 3451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3453 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3454 SCTP_INP_RLOCK(inp); 3455 av->assoc_value = inp->prsctp_supported; 3456 SCTP_INP_RUNLOCK(inp); 3457 } else { 3458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3459 error = EINVAL; 3460 } 3461 } 3462 if (error == 0) { 3463 *optsize = sizeof(struct sctp_assoc_value); 3464 } 3465 break; 3466 } 3467 case SCTP_AUTH_SUPPORTED: 3468 { 3469 struct sctp_assoc_value *av; 3470 3471 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3472 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3473 3474 if (stcb) { 3475 av->assoc_value = stcb->asoc.auth_supported; 3476 SCTP_TCB_UNLOCK(stcb); 3477 } else { 3478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3480 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3481 SCTP_INP_RLOCK(inp); 3482 av->assoc_value = inp->auth_supported; 3483 SCTP_INP_RUNLOCK(inp); 3484 } else { 3485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3486 error = EINVAL; 3487 } 3488 } 3489 if (error == 0) { 3490 *optsize = sizeof(struct sctp_assoc_value); 3491 } 3492 break; 3493 } 3494 case SCTP_ASCONF_SUPPORTED: 3495 { 3496 struct sctp_assoc_value *av; 3497 3498 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3499 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3500 3501 if (stcb) { 3502 av->assoc_value = stcb->asoc.asconf_supported; 3503 SCTP_TCB_UNLOCK(stcb); 3504 } else { 3505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3507 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3508 SCTP_INP_RLOCK(inp); 3509 av->assoc_value = inp->asconf_supported; 3510 SCTP_INP_RUNLOCK(inp); 3511 } else { 3512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3513 error = EINVAL; 3514 } 3515 } 3516 if (error == 0) { 3517 *optsize = sizeof(struct sctp_assoc_value); 3518 } 3519 break; 3520 } 3521 case SCTP_RECONFIG_SUPPORTED: 3522 { 3523 struct sctp_assoc_value *av; 3524 3525 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3526 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3527 3528 if (stcb) { 3529 av->assoc_value = stcb->asoc.reconfig_supported; 3530 SCTP_TCB_UNLOCK(stcb); 3531 } else { 3532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3534 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3535 SCTP_INP_RLOCK(inp); 3536 av->assoc_value = inp->reconfig_supported; 3537 SCTP_INP_RUNLOCK(inp); 3538 } else { 3539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3540 error = EINVAL; 3541 } 3542 } 3543 if (error == 0) { 3544 *optsize = sizeof(struct sctp_assoc_value); 3545 } 3546 break; 3547 } 3548 case SCTP_NRSACK_SUPPORTED: 3549 { 3550 struct sctp_assoc_value *av; 3551 3552 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3553 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3554 3555 if (stcb) { 3556 av->assoc_value = stcb->asoc.nrsack_supported; 3557 SCTP_TCB_UNLOCK(stcb); 3558 } else { 3559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3561 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3562 SCTP_INP_RLOCK(inp); 3563 av->assoc_value = inp->nrsack_supported; 3564 SCTP_INP_RUNLOCK(inp); 3565 } else { 3566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3567 error = EINVAL; 3568 } 3569 } 3570 if (error == 0) { 3571 *optsize = sizeof(struct sctp_assoc_value); 3572 } 3573 break; 3574 } 3575 case SCTP_PKTDROP_SUPPORTED: 3576 { 3577 struct sctp_assoc_value *av; 3578 3579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3581 3582 if (stcb) { 3583 av->assoc_value = stcb->asoc.pktdrop_supported; 3584 SCTP_TCB_UNLOCK(stcb); 3585 } else { 3586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3588 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3589 SCTP_INP_RLOCK(inp); 3590 av->assoc_value = inp->pktdrop_supported; 3591 SCTP_INP_RUNLOCK(inp); 3592 } else { 3593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3594 error = EINVAL; 3595 } 3596 } 3597 if (error == 0) { 3598 *optsize = sizeof(struct sctp_assoc_value); 3599 } 3600 break; 3601 } 3602 case SCTP_ENABLE_STREAM_RESET: 3603 { 3604 struct sctp_assoc_value *av; 3605 3606 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3607 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3608 3609 if (stcb) { 3610 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3611 SCTP_TCB_UNLOCK(stcb); 3612 } else { 3613 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3614 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3615 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3616 SCTP_INP_RLOCK(inp); 3617 av->assoc_value = (uint32_t)inp->local_strreset_support; 3618 SCTP_INP_RUNLOCK(inp); 3619 } else { 3620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3621 error = EINVAL; 3622 } 3623 } 3624 if (error == 0) { 3625 *optsize = sizeof(struct sctp_assoc_value); 3626 } 3627 break; 3628 } 3629 case SCTP_PR_STREAM_STATUS: 3630 { 3631 struct sctp_prstatus *sprstat; 3632 uint16_t sid; 3633 uint16_t policy; 3634 3635 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3636 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3637 3638 sid = sprstat->sprstat_sid; 3639 policy = sprstat->sprstat_policy; 3640 #if defined(SCTP_DETAILED_STR_STATS) 3641 if ((stcb != NULL) && 3642 (sid < stcb->asoc.streamoutcnt) && 3643 (policy != SCTP_PR_SCTP_NONE) && 3644 ((policy <= SCTP_PR_SCTP_MAX) || 3645 (policy == SCTP_PR_SCTP_ALL))) { 3646 if (policy == SCTP_PR_SCTP_ALL) { 3647 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3648 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3649 } else { 3650 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3651 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3652 } 3653 #else 3654 if ((stcb != NULL) && 3655 (sid < stcb->asoc.streamoutcnt) && 3656 (policy == SCTP_PR_SCTP_ALL)) { 3657 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3658 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3659 #endif 3660 } else { 3661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3662 error = EINVAL; 3663 } 3664 if (stcb != NULL) { 3665 SCTP_TCB_UNLOCK(stcb); 3666 } 3667 if (error == 0) { 3668 *optsize = sizeof(struct sctp_prstatus); 3669 } 3670 break; 3671 } 3672 case SCTP_PR_ASSOC_STATUS: 3673 { 3674 struct sctp_prstatus *sprstat; 3675 uint16_t policy; 3676 3677 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3678 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3679 3680 policy = sprstat->sprstat_policy; 3681 if ((stcb != NULL) && 3682 (policy != SCTP_PR_SCTP_NONE) && 3683 ((policy <= SCTP_PR_SCTP_MAX) || 3684 (policy == SCTP_PR_SCTP_ALL))) { 3685 if (policy == SCTP_PR_SCTP_ALL) { 3686 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3687 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3688 } else { 3689 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3690 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3691 } 3692 } else { 3693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3694 error = EINVAL; 3695 } 3696 if (stcb != NULL) { 3697 SCTP_TCB_UNLOCK(stcb); 3698 } 3699 if (error == 0) { 3700 *optsize = sizeof(struct sctp_prstatus); 3701 } 3702 break; 3703 } 3704 case SCTP_MAX_CWND: 3705 { 3706 struct sctp_assoc_value *av; 3707 3708 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3709 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3710 3711 if (stcb) { 3712 av->assoc_value = stcb->asoc.max_cwnd; 3713 SCTP_TCB_UNLOCK(stcb); 3714 } else { 3715 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3716 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3717 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3718 SCTP_INP_RLOCK(inp); 3719 av->assoc_value = inp->max_cwnd; 3720 SCTP_INP_RUNLOCK(inp); 3721 } else { 3722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3723 error = EINVAL; 3724 } 3725 } 3726 if (error == 0) { 3727 *optsize = sizeof(struct sctp_assoc_value); 3728 } 3729 break; 3730 } 3731 default: 3732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3733 error = ENOPROTOOPT; 3734 break; 3735 } /* end switch (sopt->sopt_name) */ 3736 if (error) { 3737 *optsize = 0; 3738 } 3739 return (error); 3740 } 3741 3742 static int 3743 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3744 void *p) 3745 { 3746 int error, set_opt; 3747 uint32_t *mopt; 3748 struct sctp_tcb *stcb = NULL; 3749 struct sctp_inpcb *inp = NULL; 3750 uint32_t vrf_id; 3751 3752 if (optval == NULL) { 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 inp = (struct sctp_inpcb *)so->so_pcb; 3757 if (inp == NULL) { 3758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3759 return (EINVAL); 3760 } 3761 vrf_id = inp->def_vrf_id; 3762 3763 error = 0; 3764 switch (optname) { 3765 case SCTP_NODELAY: 3766 case SCTP_AUTOCLOSE: 3767 case SCTP_AUTO_ASCONF: 3768 case SCTP_EXPLICIT_EOR: 3769 case SCTP_DISABLE_FRAGMENTS: 3770 case SCTP_USE_EXT_RCVINFO: 3771 case SCTP_I_WANT_MAPPED_V4_ADDR: 3772 /* copy in the option value */ 3773 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3774 set_opt = 0; 3775 if (error) 3776 break; 3777 switch (optname) { 3778 case SCTP_DISABLE_FRAGMENTS: 3779 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3780 break; 3781 case SCTP_AUTO_ASCONF: 3782 /* 3783 * NOTE: we don't really support this flag 3784 */ 3785 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3786 /* only valid for bound all sockets */ 3787 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3788 (*mopt != 0)) { 3789 /* forbidden by admin */ 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3791 return (EPERM); 3792 } 3793 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3794 } else { 3795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3796 return (EINVAL); 3797 } 3798 break; 3799 case SCTP_EXPLICIT_EOR: 3800 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3801 break; 3802 case SCTP_USE_EXT_RCVINFO: 3803 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3804 break; 3805 case SCTP_I_WANT_MAPPED_V4_ADDR: 3806 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3807 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3808 } else { 3809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3810 return (EINVAL); 3811 } 3812 break; 3813 case SCTP_NODELAY: 3814 set_opt = SCTP_PCB_FLAGS_NODELAY; 3815 break; 3816 case SCTP_AUTOCLOSE: 3817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3818 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3820 return (EINVAL); 3821 } 3822 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3823 /* 3824 * The value is in ticks. Note this does not effect 3825 * old associations, only new ones. 3826 */ 3827 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3828 break; 3829 } 3830 SCTP_INP_WLOCK(inp); 3831 if (*mopt != 0) { 3832 sctp_feature_on(inp, set_opt); 3833 } else { 3834 sctp_feature_off(inp, set_opt); 3835 } 3836 SCTP_INP_WUNLOCK(inp); 3837 break; 3838 case SCTP_REUSE_PORT: 3839 { 3840 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3842 /* Can't set it after we are bound */ 3843 error = EINVAL; 3844 break; 3845 } 3846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3847 /* Can't do this for a 1-m socket */ 3848 error = EINVAL; 3849 break; 3850 } 3851 if (optval) 3852 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3853 else 3854 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3855 break; 3856 } 3857 case SCTP_PARTIAL_DELIVERY_POINT: 3858 { 3859 uint32_t *value; 3860 3861 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3862 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3864 error = EINVAL; 3865 break; 3866 } 3867 inp->partial_delivery_point = *value; 3868 break; 3869 } 3870 case SCTP_FRAGMENT_INTERLEAVE: 3871 /* not yet until we re-write sctp_recvmsg() */ 3872 { 3873 uint32_t *level; 3874 3875 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3876 if (*level == SCTP_FRAG_LEVEL_2) { 3877 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 } else if (*level == SCTP_FRAG_LEVEL_1) { 3880 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3882 } else if (*level == SCTP_FRAG_LEVEL_0) { 3883 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3884 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3885 3886 } else { 3887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3888 error = EINVAL; 3889 } 3890 break; 3891 } 3892 case SCTP_INTERLEAVING_SUPPORTED: 3893 { 3894 struct sctp_assoc_value *av; 3895 3896 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3897 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3898 3899 if (stcb) { 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3901 error = EINVAL; 3902 SCTP_TCB_UNLOCK(stcb); 3903 } else { 3904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3906 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3907 SCTP_INP_WLOCK(inp); 3908 if (av->assoc_value == 0) { 3909 inp->idata_supported = 0; 3910 } else { 3911 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3912 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3913 inp->idata_supported = 1; 3914 } else { 3915 /* 3916 * Must have Frag 3917 * interleave and 3918 * stream interleave 3919 * on 3920 */ 3921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3922 error = EINVAL; 3923 } 3924 } 3925 SCTP_INP_WUNLOCK(inp); 3926 } else { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 } 3930 } 3931 break; 3932 } 3933 case SCTP_CMT_ON_OFF: 3934 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3935 struct sctp_assoc_value *av; 3936 3937 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3938 if (av->assoc_value > SCTP_CMT_MAX) { 3939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3940 error = EINVAL; 3941 break; 3942 } 3943 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3944 if (stcb) { 3945 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3946 SCTP_TCB_UNLOCK(stcb); 3947 } else { 3948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3950 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3951 (av->assoc_id == SCTP_ALL_ASSOC)) { 3952 SCTP_INP_WLOCK(inp); 3953 inp->sctp_cmt_on_off = av->assoc_value; 3954 SCTP_INP_WUNLOCK(inp); 3955 } 3956 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3957 (av->assoc_id == SCTP_ALL_ASSOC)) { 3958 SCTP_INP_RLOCK(inp); 3959 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3960 SCTP_TCB_LOCK(stcb); 3961 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3962 SCTP_TCB_UNLOCK(stcb); 3963 } 3964 SCTP_INP_RUNLOCK(inp); 3965 } 3966 } 3967 } else { 3968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3969 error = ENOPROTOOPT; 3970 } 3971 break; 3972 case SCTP_PLUGGABLE_CC: 3973 { 3974 struct sctp_assoc_value *av; 3975 struct sctp_nets *net; 3976 3977 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3978 if ((av->assoc_value != SCTP_CC_RFC2581) && 3979 (av->assoc_value != SCTP_CC_HSTCP) && 3980 (av->assoc_value != SCTP_CC_HTCP) && 3981 (av->assoc_value != SCTP_CC_RTCC)) { 3982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3983 error = EINVAL; 3984 break; 3985 } 3986 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3987 if (stcb) { 3988 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3989 stcb->asoc.congestion_control_module = av->assoc_value; 3990 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3991 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3992 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3993 } 3994 } 3995 SCTP_TCB_UNLOCK(stcb); 3996 } else { 3997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3999 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4000 (av->assoc_id == SCTP_ALL_ASSOC)) { 4001 SCTP_INP_WLOCK(inp); 4002 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4003 SCTP_INP_WUNLOCK(inp); 4004 } 4005 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4006 (av->assoc_id == SCTP_ALL_ASSOC)) { 4007 SCTP_INP_RLOCK(inp); 4008 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4009 SCTP_TCB_LOCK(stcb); 4010 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4011 stcb->asoc.congestion_control_module = av->assoc_value; 4012 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4013 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4014 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4015 } 4016 } 4017 SCTP_TCB_UNLOCK(stcb); 4018 } 4019 SCTP_INP_RUNLOCK(inp); 4020 } 4021 } 4022 break; 4023 } 4024 case SCTP_CC_OPTION: 4025 { 4026 struct sctp_cc_option *cc_opt; 4027 4028 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4029 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4030 if (stcb == NULL) { 4031 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4032 SCTP_INP_RLOCK(inp); 4033 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4034 SCTP_TCB_LOCK(stcb); 4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4036 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4037 } 4038 SCTP_TCB_UNLOCK(stcb); 4039 } 4040 SCTP_INP_RUNLOCK(inp); 4041 } else { 4042 error = EINVAL; 4043 } 4044 } else { 4045 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4046 error = ENOTSUP; 4047 } else { 4048 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4049 cc_opt); 4050 } 4051 SCTP_TCB_UNLOCK(stcb); 4052 } 4053 break; 4054 } 4055 case SCTP_PLUGGABLE_SS: 4056 { 4057 struct sctp_assoc_value *av; 4058 4059 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4060 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4061 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4062 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4063 (av->assoc_value != SCTP_SS_PRIORITY) && 4064 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4065 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 break; 4069 } 4070 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4071 if (stcb) { 4072 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4073 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4074 stcb->asoc.stream_scheduling_module = av->assoc_value; 4075 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4076 SCTP_TCB_UNLOCK(stcb); 4077 } else { 4078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4080 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4081 (av->assoc_id == SCTP_ALL_ASSOC)) { 4082 SCTP_INP_WLOCK(inp); 4083 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4084 SCTP_INP_WUNLOCK(inp); 4085 } 4086 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4087 (av->assoc_id == SCTP_ALL_ASSOC)) { 4088 SCTP_INP_RLOCK(inp); 4089 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4090 SCTP_TCB_LOCK(stcb); 4091 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4092 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4093 stcb->asoc.stream_scheduling_module = av->assoc_value; 4094 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4095 SCTP_TCB_UNLOCK(stcb); 4096 } 4097 SCTP_INP_RUNLOCK(inp); 4098 } 4099 } 4100 break; 4101 } 4102 case SCTP_SS_VALUE: 4103 { 4104 struct sctp_stream_value *av; 4105 4106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4107 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4108 if (stcb) { 4109 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4110 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4111 av->stream_value) < 0)) { 4112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4113 error = EINVAL; 4114 } 4115 SCTP_TCB_UNLOCK(stcb); 4116 } else { 4117 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4118 SCTP_INP_RLOCK(inp); 4119 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4120 SCTP_TCB_LOCK(stcb); 4121 if (av->stream_id < stcb->asoc.streamoutcnt) { 4122 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4123 &stcb->asoc, 4124 &stcb->asoc.strmout[av->stream_id], 4125 av->stream_value); 4126 } 4127 SCTP_TCB_UNLOCK(stcb); 4128 } 4129 SCTP_INP_RUNLOCK(inp); 4130 } else { 4131 /* 4132 * Can't set stream value without 4133 * association 4134 */ 4135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4136 error = EINVAL; 4137 } 4138 } 4139 break; 4140 } 4141 case SCTP_CLR_STAT_LOG: 4142 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4143 error = EOPNOTSUPP; 4144 break; 4145 case SCTP_CONTEXT: 4146 { 4147 struct sctp_assoc_value *av; 4148 4149 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4150 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4151 4152 if (stcb) { 4153 stcb->asoc.context = av->assoc_value; 4154 SCTP_TCB_UNLOCK(stcb); 4155 } else { 4156 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4157 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4158 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4159 (av->assoc_id == SCTP_ALL_ASSOC)) { 4160 SCTP_INP_WLOCK(inp); 4161 inp->sctp_context = av->assoc_value; 4162 SCTP_INP_WUNLOCK(inp); 4163 } 4164 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4165 (av->assoc_id == SCTP_ALL_ASSOC)) { 4166 SCTP_INP_RLOCK(inp); 4167 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4168 SCTP_TCB_LOCK(stcb); 4169 stcb->asoc.context = av->assoc_value; 4170 SCTP_TCB_UNLOCK(stcb); 4171 } 4172 SCTP_INP_RUNLOCK(inp); 4173 } 4174 } 4175 break; 4176 } 4177 case SCTP_VRF_ID: 4178 { 4179 uint32_t *default_vrfid; 4180 4181 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4182 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4184 error = EINVAL; 4185 break; 4186 } 4187 inp->def_vrf_id = *default_vrfid; 4188 break; 4189 } 4190 case SCTP_DEL_VRF_ID: 4191 { 4192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4193 error = EOPNOTSUPP; 4194 break; 4195 } 4196 case SCTP_ADD_VRF_ID: 4197 { 4198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4199 error = EOPNOTSUPP; 4200 break; 4201 } 4202 case SCTP_DELAYED_SACK: 4203 { 4204 struct sctp_sack_info *sack; 4205 4206 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4207 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4208 if (sack->sack_delay) { 4209 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4210 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4211 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4212 sack->sack_delay = TICKS_TO_MSEC(1); 4213 } 4214 } 4215 if (stcb) { 4216 if (sack->sack_delay) { 4217 stcb->asoc.delayed_ack = sack->sack_delay; 4218 } 4219 if (sack->sack_freq) { 4220 stcb->asoc.sack_freq = sack->sack_freq; 4221 } 4222 SCTP_TCB_UNLOCK(stcb); 4223 } else { 4224 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4225 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4226 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4227 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4228 SCTP_INP_WLOCK(inp); 4229 if (sack->sack_delay) { 4230 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4231 } 4232 if (sack->sack_freq) { 4233 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4234 } 4235 SCTP_INP_WUNLOCK(inp); 4236 } 4237 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4238 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4239 SCTP_INP_RLOCK(inp); 4240 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4241 SCTP_TCB_LOCK(stcb); 4242 if (sack->sack_delay) { 4243 stcb->asoc.delayed_ack = sack->sack_delay; 4244 } 4245 if (sack->sack_freq) { 4246 stcb->asoc.sack_freq = sack->sack_freq; 4247 } 4248 SCTP_TCB_UNLOCK(stcb); 4249 } 4250 SCTP_INP_RUNLOCK(inp); 4251 } 4252 } 4253 break; 4254 } 4255 case SCTP_AUTH_CHUNK: 4256 { 4257 struct sctp_authchunk *sauth; 4258 4259 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4260 4261 SCTP_INP_WLOCK(inp); 4262 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4264 error = EINVAL; 4265 } else { 4266 inp->auth_supported = 1; 4267 } 4268 SCTP_INP_WUNLOCK(inp); 4269 break; 4270 } 4271 case SCTP_AUTH_KEY: 4272 { 4273 struct sctp_authkey *sca; 4274 struct sctp_keyhead *shared_keys; 4275 sctp_sharedkey_t *shared_key; 4276 sctp_key_t *key = NULL; 4277 size_t size; 4278 4279 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4280 if (sca->sca_keylength == 0) { 4281 size = optsize - sizeof(struct sctp_authkey); 4282 } else { 4283 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4284 size = sca->sca_keylength; 4285 } else { 4286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4287 error = EINVAL; 4288 break; 4289 } 4290 } 4291 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4292 4293 if (stcb) { 4294 shared_keys = &stcb->asoc.shared_keys; 4295 /* clear the cached keys for this key id */ 4296 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4297 /* 4298 * create the new shared key and 4299 * insert/replace it 4300 */ 4301 if (size > 0) { 4302 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4303 if (key == NULL) { 4304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4305 error = ENOMEM; 4306 SCTP_TCB_UNLOCK(stcb); 4307 break; 4308 } 4309 } 4310 shared_key = sctp_alloc_sharedkey(); 4311 if (shared_key == NULL) { 4312 sctp_free_key(key); 4313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4314 error = ENOMEM; 4315 SCTP_TCB_UNLOCK(stcb); 4316 break; 4317 } 4318 shared_key->key = key; 4319 shared_key->keyid = sca->sca_keynumber; 4320 error = sctp_insert_sharedkey(shared_keys, shared_key); 4321 SCTP_TCB_UNLOCK(stcb); 4322 } else { 4323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4324 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4325 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4326 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4327 SCTP_INP_WLOCK(inp); 4328 shared_keys = &inp->sctp_ep.shared_keys; 4329 /* 4330 * clear the cached keys on all 4331 * assocs for this key id 4332 */ 4333 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4334 /* 4335 * create the new shared key and 4336 * insert/replace it 4337 */ 4338 if (size > 0) { 4339 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4340 if (key == NULL) { 4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4342 error = ENOMEM; 4343 SCTP_INP_WUNLOCK(inp); 4344 break; 4345 } 4346 } 4347 shared_key = sctp_alloc_sharedkey(); 4348 if (shared_key == NULL) { 4349 sctp_free_key(key); 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4351 error = ENOMEM; 4352 SCTP_INP_WUNLOCK(inp); 4353 break; 4354 } 4355 shared_key->key = key; 4356 shared_key->keyid = sca->sca_keynumber; 4357 error = sctp_insert_sharedkey(shared_keys, shared_key); 4358 SCTP_INP_WUNLOCK(inp); 4359 } 4360 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4361 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4362 SCTP_INP_RLOCK(inp); 4363 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4364 SCTP_TCB_LOCK(stcb); 4365 shared_keys = &stcb->asoc.shared_keys; 4366 /* 4367 * clear the cached keys for 4368 * this key id 4369 */ 4370 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4371 /* 4372 * create the new shared key 4373 * and insert/replace it 4374 */ 4375 if (size > 0) { 4376 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4377 if (key == NULL) { 4378 SCTP_TCB_UNLOCK(stcb); 4379 continue; 4380 } 4381 } 4382 shared_key = sctp_alloc_sharedkey(); 4383 if (shared_key == NULL) { 4384 sctp_free_key(key); 4385 SCTP_TCB_UNLOCK(stcb); 4386 continue; 4387 } 4388 shared_key->key = key; 4389 shared_key->keyid = sca->sca_keynumber; 4390 error = sctp_insert_sharedkey(shared_keys, shared_key); 4391 SCTP_TCB_UNLOCK(stcb); 4392 } 4393 SCTP_INP_RUNLOCK(inp); 4394 } 4395 } 4396 break; 4397 } 4398 case SCTP_HMAC_IDENT: 4399 { 4400 struct sctp_hmacalgo *shmac; 4401 sctp_hmaclist_t *hmaclist; 4402 uint16_t hmacid; 4403 uint32_t i; 4404 4405 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4406 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4407 (shmac->shmac_number_of_idents > 0xffff)) { 4408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4409 error = EINVAL; 4410 break; 4411 } 4412 4413 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4414 if (hmaclist == NULL) { 4415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4416 error = ENOMEM; 4417 break; 4418 } 4419 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4420 hmacid = shmac->shmac_idents[i]; 4421 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4422 /* invalid HMACs were found */ ; 4423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4424 error = EINVAL; 4425 sctp_free_hmaclist(hmaclist); 4426 goto sctp_set_hmac_done; 4427 } 4428 } 4429 for (i = 0; i < hmaclist->num_algo; i++) { 4430 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4431 /* already in list */ 4432 break; 4433 } 4434 } 4435 if (i == hmaclist->num_algo) { 4436 /* not found in list */ 4437 sctp_free_hmaclist(hmaclist); 4438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4439 error = EINVAL; 4440 break; 4441 } 4442 /* set it on the endpoint */ 4443 SCTP_INP_WLOCK(inp); 4444 if (inp->sctp_ep.local_hmacs) 4445 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4446 inp->sctp_ep.local_hmacs = hmaclist; 4447 SCTP_INP_WUNLOCK(inp); 4448 sctp_set_hmac_done: 4449 break; 4450 } 4451 case SCTP_AUTH_ACTIVE_KEY: 4452 { 4453 struct sctp_authkeyid *scact; 4454 4455 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4456 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4457 4458 /* set the active key on the right place */ 4459 if (stcb) { 4460 /* set the active key on the assoc */ 4461 if (sctp_auth_setactivekey(stcb, 4462 scact->scact_keynumber)) { 4463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4464 SCTP_FROM_SCTP_USRREQ, 4465 EINVAL); 4466 error = EINVAL; 4467 } 4468 SCTP_TCB_UNLOCK(stcb); 4469 } else { 4470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4472 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4473 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4474 SCTP_INP_WLOCK(inp); 4475 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4477 error = EINVAL; 4478 } 4479 SCTP_INP_WUNLOCK(inp); 4480 } 4481 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4482 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4483 SCTP_INP_RLOCK(inp); 4484 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4485 SCTP_TCB_LOCK(stcb); 4486 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4487 SCTP_TCB_UNLOCK(stcb); 4488 } 4489 SCTP_INP_RUNLOCK(inp); 4490 } 4491 } 4492 break; 4493 } 4494 case SCTP_AUTH_DELETE_KEY: 4495 { 4496 struct sctp_authkeyid *scdel; 4497 4498 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4499 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4500 4501 /* delete the key from the right place */ 4502 if (stcb) { 4503 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4505 error = EINVAL; 4506 } 4507 SCTP_TCB_UNLOCK(stcb); 4508 } else { 4509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4511 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4512 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4513 SCTP_INP_WLOCK(inp); 4514 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4516 error = EINVAL; 4517 } 4518 SCTP_INP_WUNLOCK(inp); 4519 } 4520 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4521 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4522 SCTP_INP_RLOCK(inp); 4523 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4524 SCTP_TCB_LOCK(stcb); 4525 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4526 SCTP_TCB_UNLOCK(stcb); 4527 } 4528 SCTP_INP_RUNLOCK(inp); 4529 } 4530 } 4531 break; 4532 } 4533 case SCTP_AUTH_DEACTIVATE_KEY: 4534 { 4535 struct sctp_authkeyid *keyid; 4536 4537 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4538 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4539 4540 /* deactivate the key from the right place */ 4541 if (stcb) { 4542 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4544 error = EINVAL; 4545 } 4546 SCTP_TCB_UNLOCK(stcb); 4547 } else { 4548 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4549 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4550 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4551 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4552 SCTP_INP_WLOCK(inp); 4553 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4555 error = EINVAL; 4556 } 4557 SCTP_INP_WUNLOCK(inp); 4558 } 4559 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4560 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4561 SCTP_INP_RLOCK(inp); 4562 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4563 SCTP_TCB_LOCK(stcb); 4564 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4565 SCTP_TCB_UNLOCK(stcb); 4566 } 4567 SCTP_INP_RUNLOCK(inp); 4568 } 4569 } 4570 break; 4571 } 4572 case SCTP_ENABLE_STREAM_RESET: 4573 { 4574 struct sctp_assoc_value *av; 4575 4576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4577 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4579 error = EINVAL; 4580 break; 4581 } 4582 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4583 if (stcb) { 4584 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4585 SCTP_TCB_UNLOCK(stcb); 4586 } else { 4587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4589 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4590 (av->assoc_id == SCTP_ALL_ASSOC)) { 4591 SCTP_INP_WLOCK(inp); 4592 inp->local_strreset_support = (uint8_t)av->assoc_value; 4593 SCTP_INP_WUNLOCK(inp); 4594 } 4595 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4596 (av->assoc_id == SCTP_ALL_ASSOC)) { 4597 SCTP_INP_RLOCK(inp); 4598 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4599 SCTP_TCB_LOCK(stcb); 4600 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4601 SCTP_TCB_UNLOCK(stcb); 4602 } 4603 SCTP_INP_RUNLOCK(inp); 4604 } 4605 4606 } 4607 break; 4608 } 4609 case SCTP_RESET_STREAMS: 4610 { 4611 struct sctp_reset_streams *strrst; 4612 int i, send_out = 0; 4613 int send_in = 0; 4614 4615 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4616 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4617 if (stcb == NULL) { 4618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4619 error = ENOENT; 4620 break; 4621 } 4622 if (stcb->asoc.reconfig_supported == 0) { 4623 /* 4624 * Peer does not support the chunk type. 4625 */ 4626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4627 error = EOPNOTSUPP; 4628 SCTP_TCB_UNLOCK(stcb); 4629 break; 4630 } 4631 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4633 error = EINVAL; 4634 SCTP_TCB_UNLOCK(stcb); 4635 break; 4636 } 4637 if (sizeof(struct sctp_reset_streams) + 4638 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4639 error = EINVAL; 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4644 send_in = 1; 4645 if (stcb->asoc.stream_reset_outstanding) { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4647 error = EALREADY; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 } 4652 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4653 send_out = 1; 4654 } 4655 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4657 error = ENOMEM; 4658 SCTP_TCB_UNLOCK(stcb); 4659 break; 4660 } 4661 if ((send_in == 0) && (send_out == 0)) { 4662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4663 error = EINVAL; 4664 SCTP_TCB_UNLOCK(stcb); 4665 break; 4666 } 4667 for (i = 0; i < strrst->srs_number_streams; i++) { 4668 if ((send_in) && 4669 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4671 error = EINVAL; 4672 break; 4673 } 4674 if ((send_out) && 4675 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4677 error = EINVAL; 4678 break; 4679 } 4680 } 4681 if (error) { 4682 SCTP_TCB_UNLOCK(stcb); 4683 break; 4684 } 4685 if (send_out) { 4686 int cnt; 4687 uint16_t strm; 4688 4689 if (strrst->srs_number_streams) { 4690 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4691 strm = strrst->srs_stream_list[i]; 4692 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4693 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4694 cnt++; 4695 } 4696 } 4697 } else { 4698 /* Its all */ 4699 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4700 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4701 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4702 cnt++; 4703 } 4704 } 4705 } 4706 } 4707 if (send_in) { 4708 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4709 strrst->srs_stream_list, 4710 send_in, 0, 0, 0, 0, 0); 4711 } else { 4712 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4713 } 4714 if (error == 0) { 4715 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4716 } else { 4717 /* 4718 * For outgoing streams don't report any 4719 * problems in sending the request to the 4720 * application. XXX: Double check resetting 4721 * incoming streams. 4722 */ 4723 error = 0; 4724 } 4725 SCTP_TCB_UNLOCK(stcb); 4726 break; 4727 } 4728 case SCTP_ADD_STREAMS: 4729 { 4730 struct sctp_add_streams *stradd; 4731 uint8_t addstream = 0; 4732 uint16_t add_o_strmcnt = 0; 4733 uint16_t add_i_strmcnt = 0; 4734 4735 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4736 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4737 if (stcb == NULL) { 4738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4739 error = ENOENT; 4740 break; 4741 } 4742 if (stcb->asoc.reconfig_supported == 0) { 4743 /* 4744 * Peer does not support the chunk type. 4745 */ 4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4747 error = EOPNOTSUPP; 4748 SCTP_TCB_UNLOCK(stcb); 4749 break; 4750 } 4751 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4753 error = EINVAL; 4754 SCTP_TCB_UNLOCK(stcb); 4755 break; 4756 } 4757 if (stcb->asoc.stream_reset_outstanding) { 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4759 error = EALREADY; 4760 SCTP_TCB_UNLOCK(stcb); 4761 break; 4762 } 4763 if ((stradd->sas_outstrms == 0) && 4764 (stradd->sas_instrms == 0)) { 4765 error = EINVAL; 4766 goto skip_stuff; 4767 } 4768 if (stradd->sas_outstrms) { 4769 addstream = 1; 4770 /* We allocate here */ 4771 add_o_strmcnt = stradd->sas_outstrms; 4772 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4773 /* You can't have more than 64k */ 4774 error = EINVAL; 4775 goto skip_stuff; 4776 } 4777 } 4778 if (stradd->sas_instrms) { 4779 int cnt; 4780 4781 addstream |= 2; 4782 /* 4783 * We allocate inside 4784 * sctp_send_str_reset_req() 4785 */ 4786 add_i_strmcnt = stradd->sas_instrms; 4787 cnt = add_i_strmcnt; 4788 cnt += stcb->asoc.streamincnt; 4789 if (cnt > 0x0000ffff) { 4790 /* You can't have more than 64k */ 4791 error = EINVAL; 4792 goto skip_stuff; 4793 } 4794 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4795 /* More than you are allowed */ 4796 error = EINVAL; 4797 goto skip_stuff; 4798 } 4799 } 4800 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4801 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4802 skip_stuff: 4803 SCTP_TCB_UNLOCK(stcb); 4804 break; 4805 } 4806 case SCTP_RESET_ASSOC: 4807 { 4808 int i; 4809 uint32_t *value; 4810 4811 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4812 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4813 if (stcb == NULL) { 4814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4815 error = ENOENT; 4816 break; 4817 } 4818 if (stcb->asoc.reconfig_supported == 0) { 4819 /* 4820 * Peer does not support the chunk type. 4821 */ 4822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4823 error = EOPNOTSUPP; 4824 SCTP_TCB_UNLOCK(stcb); 4825 break; 4826 } 4827 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4829 error = EINVAL; 4830 SCTP_TCB_UNLOCK(stcb); 4831 break; 4832 } 4833 if (stcb->asoc.stream_reset_outstanding) { 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4835 error = EALREADY; 4836 SCTP_TCB_UNLOCK(stcb); 4837 break; 4838 } 4839 /* 4840 * Is there any data pending in the send or sent 4841 * queues? 4842 */ 4843 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4844 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4845 busy_out: 4846 error = EBUSY; 4847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4848 SCTP_TCB_UNLOCK(stcb); 4849 break; 4850 } 4851 /* Do any streams have data queued? */ 4852 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4853 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4854 goto busy_out; 4855 } 4856 } 4857 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4858 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4859 SCTP_TCB_UNLOCK(stcb); 4860 break; 4861 } 4862 case SCTP_CONNECT_X: 4863 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4865 error = EINVAL; 4866 break; 4867 } 4868 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4869 break; 4870 case SCTP_CONNECT_X_DELAYED: 4871 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4873 error = EINVAL; 4874 break; 4875 } 4876 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4877 break; 4878 case SCTP_CONNECT_X_COMPLETE: 4879 { 4880 struct sockaddr *sa; 4881 4882 /* FIXME MT: check correct? */ 4883 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4884 4885 /* find tcb */ 4886 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4887 SCTP_INP_RLOCK(inp); 4888 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4889 if (stcb) { 4890 SCTP_TCB_LOCK(stcb); 4891 } 4892 SCTP_INP_RUNLOCK(inp); 4893 } else { 4894 /* 4895 * We increment here since 4896 * sctp_findassociation_ep_addr() wil do a 4897 * decrement if it finds the stcb as long as 4898 * the locked tcb (last argument) is NOT a 4899 * TCB.. aka NULL. 4900 */ 4901 SCTP_INP_INCR_REF(inp); 4902 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4903 if (stcb == NULL) { 4904 SCTP_INP_DECR_REF(inp); 4905 } 4906 } 4907 4908 if (stcb == NULL) { 4909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4910 error = ENOENT; 4911 break; 4912 } 4913 if (stcb->asoc.delayed_connection == 1) { 4914 stcb->asoc.delayed_connection = 0; 4915 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4916 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4917 stcb->asoc.primary_destination, 4918 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4919 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4920 } else { 4921 /* 4922 * already expired or did not use delayed 4923 * connectx 4924 */ 4925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4926 error = EALREADY; 4927 } 4928 SCTP_TCB_UNLOCK(stcb); 4929 break; 4930 } 4931 case SCTP_MAX_BURST: 4932 { 4933 struct sctp_assoc_value *av; 4934 4935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4936 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4937 4938 if (stcb) { 4939 stcb->asoc.max_burst = av->assoc_value; 4940 SCTP_TCB_UNLOCK(stcb); 4941 } else { 4942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4944 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4945 (av->assoc_id == SCTP_ALL_ASSOC)) { 4946 SCTP_INP_WLOCK(inp); 4947 inp->sctp_ep.max_burst = av->assoc_value; 4948 SCTP_INP_WUNLOCK(inp); 4949 } 4950 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4951 (av->assoc_id == SCTP_ALL_ASSOC)) { 4952 SCTP_INP_RLOCK(inp); 4953 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4954 SCTP_TCB_LOCK(stcb); 4955 stcb->asoc.max_burst = av->assoc_value; 4956 SCTP_TCB_UNLOCK(stcb); 4957 } 4958 SCTP_INP_RUNLOCK(inp); 4959 } 4960 } 4961 break; 4962 } 4963 case SCTP_MAXSEG: 4964 { 4965 struct sctp_assoc_value *av; 4966 int ovh; 4967 4968 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4969 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4970 4971 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4972 ovh = SCTP_MED_OVERHEAD; 4973 } else { 4974 ovh = SCTP_MED_V4_OVERHEAD; 4975 } 4976 if (stcb) { 4977 if (av->assoc_value) { 4978 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4979 } else { 4980 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4981 } 4982 SCTP_TCB_UNLOCK(stcb); 4983 } else { 4984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4986 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4987 SCTP_INP_WLOCK(inp); 4988 /* 4989 * FIXME MT: I think this is not in 4990 * tune with the API ID 4991 */ 4992 if (av->assoc_value) { 4993 inp->sctp_frag_point = (av->assoc_value + ovh); 4994 } else { 4995 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4996 } 4997 SCTP_INP_WUNLOCK(inp); 4998 } else { 4999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5000 error = EINVAL; 5001 } 5002 } 5003 break; 5004 } 5005 case SCTP_EVENTS: 5006 { 5007 struct sctp_event_subscribe *events; 5008 5009 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5010 5011 SCTP_INP_WLOCK(inp); 5012 if (events->sctp_data_io_event) { 5013 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5014 } else { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5016 } 5017 5018 if (events->sctp_association_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5022 } 5023 5024 if (events->sctp_address_event) { 5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5026 } else { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5028 } 5029 5030 if (events->sctp_send_failure_event) { 5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5032 } else { 5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5034 } 5035 5036 if (events->sctp_peer_error_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5040 } 5041 5042 if (events->sctp_shutdown_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5046 } 5047 5048 if (events->sctp_partial_delivery_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5052 } 5053 5054 if (events->sctp_adaptation_layer_event) { 5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5056 } else { 5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5058 } 5059 5060 if (events->sctp_authentication_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5064 } 5065 5066 if (events->sctp_sender_dry_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5070 } 5071 5072 if (events->sctp_stream_reset_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5076 } 5077 SCTP_INP_WUNLOCK(inp); 5078 5079 SCTP_INP_RLOCK(inp); 5080 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5081 SCTP_TCB_LOCK(stcb); 5082 if (events->sctp_association_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5086 } 5087 if (events->sctp_address_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5091 } 5092 if (events->sctp_send_failure_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5096 } 5097 if (events->sctp_peer_error_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5101 } 5102 if (events->sctp_shutdown_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5106 } 5107 if (events->sctp_partial_delivery_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5111 } 5112 if (events->sctp_adaptation_layer_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5116 } 5117 if (events->sctp_authentication_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5121 } 5122 if (events->sctp_sender_dry_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5126 } 5127 if (events->sctp_stream_reset_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5131 } 5132 SCTP_TCB_UNLOCK(stcb); 5133 } 5134 /* 5135 * Send up the sender dry event only for 1-to-1 5136 * style sockets. 5137 */ 5138 if (events->sctp_sender_dry_event) { 5139 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5140 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5141 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5142 if (stcb) { 5143 SCTP_TCB_LOCK(stcb); 5144 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5145 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5146 (stcb->asoc.stream_queue_cnt == 0)) { 5147 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5148 } 5149 SCTP_TCB_UNLOCK(stcb); 5150 } 5151 } 5152 } 5153 SCTP_INP_RUNLOCK(inp); 5154 break; 5155 } 5156 case SCTP_ADAPTATION_LAYER: 5157 { 5158 struct sctp_setadaptation *adap_bits; 5159 5160 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5161 SCTP_INP_WLOCK(inp); 5162 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5163 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5164 SCTP_INP_WUNLOCK(inp); 5165 break; 5166 } 5167 #ifdef SCTP_DEBUG 5168 case SCTP_SET_INITIAL_DBG_SEQ: 5169 { 5170 uint32_t *vvv; 5171 5172 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5173 SCTP_INP_WLOCK(inp); 5174 inp->sctp_ep.initial_sequence_debug = *vvv; 5175 SCTP_INP_WUNLOCK(inp); 5176 break; 5177 } 5178 #endif 5179 case SCTP_DEFAULT_SEND_PARAM: 5180 { 5181 struct sctp_sndrcvinfo *s_info; 5182 5183 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5184 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5185 5186 if (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 } else { 5190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5191 error = EINVAL; 5192 } 5193 SCTP_TCB_UNLOCK(stcb); 5194 } else { 5195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5197 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5198 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5199 SCTP_INP_WLOCK(inp); 5200 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5201 SCTP_INP_WUNLOCK(inp); 5202 } 5203 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5204 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5205 SCTP_INP_RLOCK(inp); 5206 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5207 SCTP_TCB_LOCK(stcb); 5208 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5209 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5210 } 5211 SCTP_TCB_UNLOCK(stcb); 5212 } 5213 SCTP_INP_RUNLOCK(inp); 5214 } 5215 } 5216 break; 5217 } 5218 case SCTP_PEER_ADDR_PARAMS: 5219 { 5220 struct sctp_paddrparams *paddrp; 5221 struct sctp_nets *net; 5222 struct sockaddr *addr; 5223 #if defined(INET) && defined(INET6) 5224 struct sockaddr_in sin_store; 5225 #endif 5226 5227 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5228 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5229 5230 #if defined(INET) && defined(INET6) 5231 if (paddrp->spp_address.ss_family == AF_INET6) { 5232 struct sockaddr_in6 *sin6; 5233 5234 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5235 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5236 in6_sin6_2_sin(&sin_store, sin6); 5237 addr = (struct sockaddr *)&sin_store; 5238 } else { 5239 addr = (struct sockaddr *)&paddrp->spp_address; 5240 } 5241 } else { 5242 addr = (struct sockaddr *)&paddrp->spp_address; 5243 } 5244 #else 5245 addr = (struct sockaddr *)&paddrp->spp_address; 5246 #endif 5247 if (stcb != NULL) { 5248 net = sctp_findnet(stcb, addr); 5249 } else { 5250 /* 5251 * We increment here since 5252 * sctp_findassociation_ep_addr() wil do a 5253 * decrement if it finds the stcb as long as 5254 * the locked tcb (last argument) is NOT a 5255 * TCB.. aka NULL. 5256 */ 5257 net = NULL; 5258 SCTP_INP_INCR_REF(inp); 5259 stcb = sctp_findassociation_ep_addr(&inp, addr, 5260 &net, NULL, NULL); 5261 if (stcb == NULL) { 5262 SCTP_INP_DECR_REF(inp); 5263 } 5264 } 5265 if ((stcb != NULL) && (net == NULL)) { 5266 #ifdef INET 5267 if (addr->sa_family == AF_INET) { 5268 5269 struct sockaddr_in *sin; 5270 5271 sin = (struct sockaddr_in *)addr; 5272 if (sin->sin_addr.s_addr != INADDR_ANY) { 5273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5274 SCTP_TCB_UNLOCK(stcb); 5275 error = EINVAL; 5276 break; 5277 } 5278 } else 5279 #endif 5280 #ifdef INET6 5281 if (addr->sa_family == AF_INET6) { 5282 struct sockaddr_in6 *sin6; 5283 5284 sin6 = (struct sockaddr_in6 *)addr; 5285 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 SCTP_TCB_UNLOCK(stcb); 5288 error = EINVAL; 5289 break; 5290 } 5291 } else 5292 #endif 5293 { 5294 error = EAFNOSUPPORT; 5295 SCTP_TCB_UNLOCK(stcb); 5296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5297 break; 5298 } 5299 } 5300 /* sanity checks */ 5301 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5302 if (stcb) 5303 SCTP_TCB_UNLOCK(stcb); 5304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5305 return (EINVAL); 5306 } 5307 5308 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5309 if (stcb) 5310 SCTP_TCB_UNLOCK(stcb); 5311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5312 return (EINVAL); 5313 } 5314 5315 if (stcb != NULL) { 5316 /************************TCB SPECIFIC SET ******************/ 5317 if (net != NULL) { 5318 /************************NET SPECIFIC SET ******************/ 5319 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5320 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5321 !(net->dest_state & SCTP_ADDR_NOHB)) { 5322 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5323 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5324 } 5325 net->dest_state |= SCTP_ADDR_NOHB; 5326 } 5327 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5328 if (paddrp->spp_hbinterval) { 5329 net->heart_beat_delay = paddrp->spp_hbinterval; 5330 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5331 net->heart_beat_delay = 0; 5332 } 5333 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5334 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5335 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5336 net->dest_state &= ~SCTP_ADDR_NOHB; 5337 } 5338 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5339 /* on demand HB */ 5340 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5341 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5342 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5343 } 5344 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5345 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5346 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5347 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5348 } 5349 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5350 net->mtu = paddrp->spp_pathmtu; 5351 switch (net->ro._l_addr.sa.sa_family) { 5352 #ifdef INET 5353 case AF_INET: 5354 net->mtu += SCTP_MIN_V4_OVERHEAD; 5355 break; 5356 #endif 5357 #ifdef INET6 5358 case AF_INET6: 5359 net->mtu += SCTP_MIN_OVERHEAD; 5360 break; 5361 #endif 5362 default: 5363 break; 5364 } 5365 if (net->mtu < stcb->asoc.smallest_mtu) { 5366 sctp_pathmtu_adjustment(stcb, net->mtu); 5367 } 5368 } 5369 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5370 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5371 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5372 } 5373 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5374 } 5375 if (paddrp->spp_pathmaxrxt) { 5376 if (net->dest_state & SCTP_ADDR_PF) { 5377 if (net->error_count > paddrp->spp_pathmaxrxt) { 5378 net->dest_state &= ~SCTP_ADDR_PF; 5379 } 5380 } else { 5381 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5382 (net->error_count > net->pf_threshold)) { 5383 net->dest_state |= SCTP_ADDR_PF; 5384 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5385 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5386 stcb->sctp_ep, stcb, net, 5387 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5388 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5389 } 5390 } 5391 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5392 if (net->error_count > paddrp->spp_pathmaxrxt) { 5393 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5395 } 5396 } else { 5397 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5398 net->dest_state |= SCTP_ADDR_REACHABLE; 5399 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5400 } 5401 } 5402 net->failure_threshold = paddrp->spp_pathmaxrxt; 5403 } 5404 if (paddrp->spp_flags & SPP_DSCP) { 5405 net->dscp = paddrp->spp_dscp & 0xfc; 5406 net->dscp |= 0x01; 5407 } 5408 #ifdef INET6 5409 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5410 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5411 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5412 net->flowlabel |= 0x80000000; 5413 } 5414 } 5415 #endif 5416 } else { 5417 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5418 if (paddrp->spp_pathmaxrxt != 0) { 5419 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5420 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5421 if (net->dest_state & SCTP_ADDR_PF) { 5422 if (net->error_count > paddrp->spp_pathmaxrxt) { 5423 net->dest_state &= ~SCTP_ADDR_PF; 5424 } 5425 } else { 5426 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5427 (net->error_count > net->pf_threshold)) { 5428 net->dest_state |= SCTP_ADDR_PF; 5429 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5430 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5431 stcb->sctp_ep, stcb, net, 5432 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5433 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5434 } 5435 } 5436 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5437 if (net->error_count > paddrp->spp_pathmaxrxt) { 5438 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5439 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5440 } 5441 } else { 5442 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5443 net->dest_state |= SCTP_ADDR_REACHABLE; 5444 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5445 } 5446 } 5447 net->failure_threshold = paddrp->spp_pathmaxrxt; 5448 } 5449 } 5450 5451 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5452 if (paddrp->spp_hbinterval != 0) { 5453 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5454 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5455 stcb->asoc.heart_beat_delay = 0; 5456 } 5457 /* Turn back on the timer */ 5458 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5459 if (paddrp->spp_hbinterval != 0) { 5460 net->heart_beat_delay = paddrp->spp_hbinterval; 5461 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5462 net->heart_beat_delay = 0; 5463 } 5464 if (net->dest_state & SCTP_ADDR_NOHB) { 5465 net->dest_state &= ~SCTP_ADDR_NOHB; 5466 } 5467 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5468 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5469 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5470 } 5471 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5472 } 5473 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5475 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5476 net->dest_state |= SCTP_ADDR_NOHB; 5477 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5478 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5479 inp, stcb, net, 5480 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5481 } 5482 } 5483 } 5484 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5485 } 5486 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5487 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5488 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5489 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5490 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5491 } 5492 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5493 net->mtu = paddrp->spp_pathmtu; 5494 switch (net->ro._l_addr.sa.sa_family) { 5495 #ifdef INET 5496 case AF_INET: 5497 net->mtu += SCTP_MIN_V4_OVERHEAD; 5498 break; 5499 #endif 5500 #ifdef INET6 5501 case AF_INET6: 5502 net->mtu += SCTP_MIN_OVERHEAD; 5503 break; 5504 #endif 5505 default: 5506 break; 5507 } 5508 if (net->mtu < stcb->asoc.smallest_mtu) { 5509 sctp_pathmtu_adjustment(stcb, net->mtu); 5510 } 5511 } 5512 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5513 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5514 } 5515 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5516 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5517 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5518 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5519 } 5520 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5521 } 5522 stcb->asoc.default_mtu = 0; 5523 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5524 } 5525 if (paddrp->spp_flags & SPP_DSCP) { 5526 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5527 net->dscp = paddrp->spp_dscp & 0xfc; 5528 net->dscp |= 0x01; 5529 } 5530 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5531 stcb->asoc.default_dscp |= 0x01; 5532 } 5533 #ifdef INET6 5534 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5535 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5536 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5537 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5538 net->flowlabel |= 0x80000000; 5539 } 5540 } 5541 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5542 stcb->asoc.default_flowlabel |= 0x80000000; 5543 } 5544 #endif 5545 } 5546 SCTP_TCB_UNLOCK(stcb); 5547 } else { 5548 /************************NO TCB, SET TO default stuff ******************/ 5549 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5550 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5551 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5552 SCTP_INP_WLOCK(inp); 5553 /* 5554 * For the TOS/FLOWLABEL stuff you 5555 * set it with the options on the 5556 * socket 5557 */ 5558 if (paddrp->spp_pathmaxrxt != 0) { 5559 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5560 } 5561 5562 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5563 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5564 else if (paddrp->spp_hbinterval != 0) { 5565 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5566 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5567 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5568 } 5569 5570 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5571 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5572 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5573 } else if (paddrp->spp_hbinterval) { 5574 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5575 } 5576 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5577 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5578 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5579 } 5580 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5581 inp->sctp_ep.default_mtu = 0; 5582 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5583 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5584 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5585 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5586 } 5587 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5588 } 5589 if (paddrp->spp_flags & SPP_DSCP) { 5590 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5591 inp->sctp_ep.default_dscp |= 0x01; 5592 } 5593 #ifdef INET6 5594 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5595 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5596 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5597 inp->sctp_ep.default_flowlabel |= 0x80000000; 5598 } 5599 } 5600 #endif 5601 SCTP_INP_WUNLOCK(inp); 5602 } else { 5603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5604 error = EINVAL; 5605 } 5606 } 5607 break; 5608 } 5609 case SCTP_RTOINFO: 5610 { 5611 struct sctp_rtoinfo *srto; 5612 uint32_t new_init, new_min, new_max; 5613 5614 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5615 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5616 5617 if (stcb) { 5618 if (srto->srto_initial) 5619 new_init = srto->srto_initial; 5620 else 5621 new_init = stcb->asoc.initial_rto; 5622 if (srto->srto_max) 5623 new_max = srto->srto_max; 5624 else 5625 new_max = stcb->asoc.maxrto; 5626 if (srto->srto_min) 5627 new_min = srto->srto_min; 5628 else 5629 new_min = stcb->asoc.minrto; 5630 if ((new_min <= new_init) && (new_init <= new_max)) { 5631 stcb->asoc.initial_rto = new_init; 5632 stcb->asoc.maxrto = new_max; 5633 stcb->asoc.minrto = new_min; 5634 } else { 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5636 error = EINVAL; 5637 } 5638 SCTP_TCB_UNLOCK(stcb); 5639 } else { 5640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5641 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5642 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5643 SCTP_INP_WLOCK(inp); 5644 if (srto->srto_initial) 5645 new_init = srto->srto_initial; 5646 else 5647 new_init = inp->sctp_ep.initial_rto; 5648 if (srto->srto_max) 5649 new_max = srto->srto_max; 5650 else 5651 new_max = inp->sctp_ep.sctp_maxrto; 5652 if (srto->srto_min) 5653 new_min = srto->srto_min; 5654 else 5655 new_min = inp->sctp_ep.sctp_minrto; 5656 if ((new_min <= new_init) && (new_init <= new_max)) { 5657 inp->sctp_ep.initial_rto = new_init; 5658 inp->sctp_ep.sctp_maxrto = new_max; 5659 inp->sctp_ep.sctp_minrto = new_min; 5660 } else { 5661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5662 error = EINVAL; 5663 } 5664 SCTP_INP_WUNLOCK(inp); 5665 } else { 5666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5667 error = EINVAL; 5668 } 5669 } 5670 break; 5671 } 5672 case SCTP_ASSOCINFO: 5673 { 5674 struct sctp_assocparams *sasoc; 5675 5676 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5677 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5678 if (sasoc->sasoc_cookie_life) { 5679 /* boundary check the cookie life */ 5680 if (sasoc->sasoc_cookie_life < 1000) 5681 sasoc->sasoc_cookie_life = 1000; 5682 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5683 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5684 } 5685 } 5686 if (stcb) { 5687 if (sasoc->sasoc_asocmaxrxt) 5688 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5689 if (sasoc->sasoc_cookie_life) { 5690 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5691 } 5692 SCTP_TCB_UNLOCK(stcb); 5693 } else { 5694 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5695 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5696 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5697 SCTP_INP_WLOCK(inp); 5698 if (sasoc->sasoc_asocmaxrxt) 5699 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5700 if (sasoc->sasoc_cookie_life) { 5701 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5702 } 5703 SCTP_INP_WUNLOCK(inp); 5704 } else { 5705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5706 error = EINVAL; 5707 } 5708 } 5709 break; 5710 } 5711 case SCTP_INITMSG: 5712 { 5713 struct sctp_initmsg *sinit; 5714 5715 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5716 SCTP_INP_WLOCK(inp); 5717 if (sinit->sinit_num_ostreams) 5718 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5719 5720 if (sinit->sinit_max_instreams) 5721 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5722 5723 if (sinit->sinit_max_attempts) 5724 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5725 5726 if (sinit->sinit_max_init_timeo) 5727 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5728 SCTP_INP_WUNLOCK(inp); 5729 break; 5730 } 5731 case SCTP_PRIMARY_ADDR: 5732 { 5733 struct sctp_setprim *spa; 5734 struct sctp_nets *net; 5735 struct sockaddr *addr; 5736 #if defined(INET) && defined(INET6) 5737 struct sockaddr_in sin_store; 5738 #endif 5739 5740 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5741 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5742 5743 #if defined(INET) && defined(INET6) 5744 if (spa->ssp_addr.ss_family == AF_INET6) { 5745 struct sockaddr_in6 *sin6; 5746 5747 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5748 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5749 in6_sin6_2_sin(&sin_store, sin6); 5750 addr = (struct sockaddr *)&sin_store; 5751 } else { 5752 addr = (struct sockaddr *)&spa->ssp_addr; 5753 } 5754 } else { 5755 addr = (struct sockaddr *)&spa->ssp_addr; 5756 } 5757 #else 5758 addr = (struct sockaddr *)&spa->ssp_addr; 5759 #endif 5760 if (stcb != NULL) { 5761 net = sctp_findnet(stcb, addr); 5762 } else { 5763 /* 5764 * We increment here since 5765 * sctp_findassociation_ep_addr() wil do a 5766 * decrement if it finds the stcb as long as 5767 * the locked tcb (last argument) is NOT a 5768 * TCB.. aka NULL. 5769 */ 5770 net = NULL; 5771 SCTP_INP_INCR_REF(inp); 5772 stcb = sctp_findassociation_ep_addr(&inp, addr, 5773 &net, NULL, NULL); 5774 if (stcb == NULL) { 5775 SCTP_INP_DECR_REF(inp); 5776 } 5777 } 5778 5779 if ((stcb != NULL) && (net != NULL)) { 5780 if (net != stcb->asoc.primary_destination) { 5781 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5782 /* Ok we need to set it */ 5783 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5784 if ((stcb->asoc.alternate) && 5785 (!(net->dest_state & SCTP_ADDR_PF)) && 5786 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5787 sctp_free_remote_addr(stcb->asoc.alternate); 5788 stcb->asoc.alternate = NULL; 5789 } 5790 } else { 5791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5792 error = EINVAL; 5793 } 5794 } else { 5795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5796 error = EINVAL; 5797 } 5798 } 5799 } else { 5800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5801 error = EINVAL; 5802 } 5803 if (stcb != NULL) { 5804 SCTP_TCB_UNLOCK(stcb); 5805 } 5806 break; 5807 } 5808 case SCTP_SET_DYNAMIC_PRIMARY: 5809 { 5810 union sctp_sockstore *ss; 5811 5812 error = priv_check(curthread, 5813 PRIV_NETINET_RESERVEDPORT); 5814 if (error) 5815 break; 5816 5817 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5818 /* SUPER USER CHECK? */ 5819 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5820 break; 5821 } 5822 case SCTP_SET_PEER_PRIMARY_ADDR: 5823 { 5824 struct sctp_setpeerprim *sspp; 5825 struct sockaddr *addr; 5826 #if defined(INET) && defined(INET6) 5827 struct sockaddr_in sin_store; 5828 #endif 5829 5830 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5831 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5832 if (stcb != NULL) { 5833 struct sctp_ifa *ifa; 5834 5835 #if defined(INET) && defined(INET6) 5836 if (sspp->sspp_addr.ss_family == AF_INET6) { 5837 struct sockaddr_in6 *sin6; 5838 5839 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5840 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5841 in6_sin6_2_sin(&sin_store, sin6); 5842 addr = (struct sockaddr *)&sin_store; 5843 } else { 5844 addr = (struct sockaddr *)&sspp->sspp_addr; 5845 } 5846 } else { 5847 addr = (struct sockaddr *)&sspp->sspp_addr; 5848 } 5849 #else 5850 addr = (struct sockaddr *)&sspp->sspp_addr; 5851 #endif 5852 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5853 if (ifa == NULL) { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 goto out_of_it; 5857 } 5858 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5859 /* 5860 * Must validate the ifa found is in 5861 * our ep 5862 */ 5863 struct sctp_laddr *laddr; 5864 int found = 0; 5865 5866 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5867 if (laddr->ifa == NULL) { 5868 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5869 __func__); 5870 continue; 5871 } 5872 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5873 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5874 continue; 5875 } 5876 if (laddr->ifa == ifa) { 5877 found = 1; 5878 break; 5879 } 5880 } 5881 if (!found) { 5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5883 error = EINVAL; 5884 goto out_of_it; 5885 } 5886 } else { 5887 switch (addr->sa_family) { 5888 #ifdef INET 5889 case AF_INET: 5890 { 5891 struct sockaddr_in *sin; 5892 5893 sin = (struct sockaddr_in *)addr; 5894 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5895 &sin->sin_addr) != 0) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 goto out_of_it; 5899 } 5900 break; 5901 } 5902 #endif 5903 #ifdef INET6 5904 case AF_INET6: 5905 { 5906 struct sockaddr_in6 *sin6; 5907 5908 sin6 = (struct sockaddr_in6 *)addr; 5909 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5910 &sin6->sin6_addr) != 0) { 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 goto out_of_it; 5914 } 5915 break; 5916 } 5917 #endif 5918 default: 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 error = EINVAL; 5921 goto out_of_it; 5922 } 5923 } 5924 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5926 error = EINVAL; 5927 } 5928 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5929 out_of_it: 5930 SCTP_TCB_UNLOCK(stcb); 5931 } else { 5932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5933 error = EINVAL; 5934 } 5935 break; 5936 } 5937 case SCTP_BINDX_ADD_ADDR: 5938 { 5939 struct sctp_getaddresses *addrs; 5940 struct thread *td; 5941 5942 td = (struct thread *)p; 5943 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5944 optsize); 5945 #ifdef INET 5946 if (addrs->addr->sa_family == AF_INET) { 5947 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 error = EINVAL; 5950 break; 5951 } 5952 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5953 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5954 break; 5955 } 5956 } else 5957 #endif 5958 #ifdef INET6 5959 if (addrs->addr->sa_family == AF_INET6) { 5960 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5962 error = EINVAL; 5963 break; 5964 } 5965 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5966 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5967 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5968 break; 5969 } 5970 } else 5971 #endif 5972 { 5973 error = EAFNOSUPPORT; 5974 break; 5975 } 5976 sctp_bindx_add_address(so, inp, addrs->addr, 5977 addrs->sget_assoc_id, vrf_id, 5978 &error, p); 5979 break; 5980 } 5981 case SCTP_BINDX_REM_ADDR: 5982 { 5983 struct sctp_getaddresses *addrs; 5984 struct thread *td; 5985 5986 td = (struct thread *)p; 5987 5988 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5989 #ifdef INET 5990 if (addrs->addr->sa_family == AF_INET) { 5991 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5993 error = EINVAL; 5994 break; 5995 } 5996 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5998 break; 5999 } 6000 } else 6001 #endif 6002 #ifdef INET6 6003 if (addrs->addr->sa_family == AF_INET6) { 6004 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6006 error = EINVAL; 6007 break; 6008 } 6009 if (td != NULL && 6010 (error = prison_local_ip6(td->td_ucred, 6011 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6012 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6013 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6014 break; 6015 } 6016 } else 6017 #endif 6018 { 6019 error = EAFNOSUPPORT; 6020 break; 6021 } 6022 sctp_bindx_delete_address(inp, addrs->addr, 6023 addrs->sget_assoc_id, vrf_id, 6024 &error); 6025 break; 6026 } 6027 case SCTP_EVENT: 6028 { 6029 struct sctp_event *event; 6030 uint32_t event_type; 6031 6032 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6033 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6034 switch (event->se_type) { 6035 case SCTP_ASSOC_CHANGE: 6036 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6037 break; 6038 case SCTP_PEER_ADDR_CHANGE: 6039 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6040 break; 6041 case SCTP_REMOTE_ERROR: 6042 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6043 break; 6044 case SCTP_SEND_FAILED: 6045 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6046 break; 6047 case SCTP_SHUTDOWN_EVENT: 6048 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6049 break; 6050 case SCTP_ADAPTATION_INDICATION: 6051 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6052 break; 6053 case SCTP_PARTIAL_DELIVERY_EVENT: 6054 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6055 break; 6056 case SCTP_AUTHENTICATION_EVENT: 6057 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6058 break; 6059 case SCTP_STREAM_RESET_EVENT: 6060 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6061 break; 6062 case SCTP_SENDER_DRY_EVENT: 6063 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6064 break; 6065 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6066 event_type = 0; 6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6068 error = ENOTSUP; 6069 break; 6070 case SCTP_ASSOC_RESET_EVENT: 6071 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6072 break; 6073 case SCTP_STREAM_CHANGE_EVENT: 6074 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6075 break; 6076 case SCTP_SEND_FAILED_EVENT: 6077 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6078 break; 6079 default: 6080 event_type = 0; 6081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6082 error = EINVAL; 6083 break; 6084 } 6085 if (event_type > 0) { 6086 if (stcb) { 6087 if (event->se_on) { 6088 sctp_stcb_feature_on(inp, stcb, event_type); 6089 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6090 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6091 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6092 (stcb->asoc.stream_queue_cnt == 0)) { 6093 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6094 } 6095 } 6096 } else { 6097 sctp_stcb_feature_off(inp, stcb, event_type); 6098 } 6099 SCTP_TCB_UNLOCK(stcb); 6100 } else { 6101 /* 6102 * We don't want to send up a storm 6103 * of events, so return an error for 6104 * sender dry events 6105 */ 6106 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6107 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6108 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6109 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6110 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6112 error = ENOTSUP; 6113 break; 6114 } 6115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6116 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6117 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6118 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6119 SCTP_INP_WLOCK(inp); 6120 if (event->se_on) { 6121 sctp_feature_on(inp, event_type); 6122 } else { 6123 sctp_feature_off(inp, event_type); 6124 } 6125 SCTP_INP_WUNLOCK(inp); 6126 } 6127 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6128 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6129 SCTP_INP_RLOCK(inp); 6130 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6131 SCTP_TCB_LOCK(stcb); 6132 if (event->se_on) { 6133 sctp_stcb_feature_on(inp, stcb, event_type); 6134 } else { 6135 sctp_stcb_feature_off(inp, stcb, event_type); 6136 } 6137 SCTP_TCB_UNLOCK(stcb); 6138 } 6139 SCTP_INP_RUNLOCK(inp); 6140 } 6141 } 6142 } else { 6143 if (stcb) { 6144 SCTP_TCB_UNLOCK(stcb); 6145 } 6146 } 6147 break; 6148 } 6149 case SCTP_RECVRCVINFO: 6150 { 6151 int *onoff; 6152 6153 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6154 SCTP_INP_WLOCK(inp); 6155 if (*onoff != 0) { 6156 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6157 } else { 6158 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6159 } 6160 SCTP_INP_WUNLOCK(inp); 6161 break; 6162 } 6163 case SCTP_RECVNXTINFO: 6164 { 6165 int *onoff; 6166 6167 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6168 SCTP_INP_WLOCK(inp); 6169 if (*onoff != 0) { 6170 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6171 } else { 6172 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6173 } 6174 SCTP_INP_WUNLOCK(inp); 6175 break; 6176 } 6177 case SCTP_DEFAULT_SNDINFO: 6178 { 6179 struct sctp_sndinfo *info; 6180 uint16_t policy; 6181 6182 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6183 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6184 6185 if (stcb) { 6186 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6187 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6188 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6189 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6190 stcb->asoc.def_send.sinfo_flags |= policy; 6191 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6192 stcb->asoc.def_send.sinfo_context = info->snd_context; 6193 } else { 6194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6195 error = EINVAL; 6196 } 6197 SCTP_TCB_UNLOCK(stcb); 6198 } else { 6199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6200 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6201 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6202 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6203 SCTP_INP_WLOCK(inp); 6204 inp->def_send.sinfo_stream = info->snd_sid; 6205 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6206 inp->def_send.sinfo_flags = info->snd_flags; 6207 inp->def_send.sinfo_flags |= policy; 6208 inp->def_send.sinfo_ppid = info->snd_ppid; 6209 inp->def_send.sinfo_context = info->snd_context; 6210 SCTP_INP_WUNLOCK(inp); 6211 } 6212 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6213 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6214 SCTP_INP_RLOCK(inp); 6215 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6216 SCTP_TCB_LOCK(stcb); 6217 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6218 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6219 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6220 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6221 stcb->asoc.def_send.sinfo_flags |= policy; 6222 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6223 stcb->asoc.def_send.sinfo_context = info->snd_context; 6224 } 6225 SCTP_TCB_UNLOCK(stcb); 6226 } 6227 SCTP_INP_RUNLOCK(inp); 6228 } 6229 } 6230 break; 6231 } 6232 case SCTP_DEFAULT_PRINFO: 6233 { 6234 struct sctp_default_prinfo *info; 6235 6236 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6237 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6238 6239 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6240 if (stcb) { 6241 SCTP_TCB_UNLOCK(stcb); 6242 } 6243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6244 error = EINVAL; 6245 break; 6246 } 6247 if (stcb) { 6248 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6249 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6250 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6251 SCTP_TCB_UNLOCK(stcb); 6252 } else { 6253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6255 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6256 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6257 SCTP_INP_WLOCK(inp); 6258 inp->def_send.sinfo_flags &= 0xfff0; 6259 inp->def_send.sinfo_flags |= info->pr_policy; 6260 inp->def_send.sinfo_timetolive = info->pr_value; 6261 SCTP_INP_WUNLOCK(inp); 6262 } 6263 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6264 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6265 SCTP_INP_RLOCK(inp); 6266 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6267 SCTP_TCB_LOCK(stcb); 6268 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6269 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6270 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6271 SCTP_TCB_UNLOCK(stcb); 6272 } 6273 SCTP_INP_RUNLOCK(inp); 6274 } 6275 } 6276 break; 6277 } 6278 case SCTP_PEER_ADDR_THLDS: 6279 /* Applies to the specific association */ 6280 { 6281 struct sctp_paddrthlds *thlds; 6282 struct sctp_nets *net; 6283 struct sockaddr *addr; 6284 #if defined(INET) && defined(INET6) 6285 struct sockaddr_in sin_store; 6286 #endif 6287 6288 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6289 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6290 6291 #if defined(INET) && defined(INET6) 6292 if (thlds->spt_address.ss_family == AF_INET6) { 6293 struct sockaddr_in6 *sin6; 6294 6295 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6296 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6297 in6_sin6_2_sin(&sin_store, sin6); 6298 addr = (struct sockaddr *)&sin_store; 6299 } else { 6300 addr = (struct sockaddr *)&thlds->spt_address; 6301 } 6302 } else { 6303 addr = (struct sockaddr *)&thlds->spt_address; 6304 } 6305 #else 6306 addr = (struct sockaddr *)&thlds->spt_address; 6307 #endif 6308 if (stcb != NULL) { 6309 net = sctp_findnet(stcb, addr); 6310 } else { 6311 /* 6312 * We increment here since 6313 * sctp_findassociation_ep_addr() wil do a 6314 * decrement if it finds the stcb as long as 6315 * the locked tcb (last argument) is NOT a 6316 * TCB.. aka NULL. 6317 */ 6318 net = NULL; 6319 SCTP_INP_INCR_REF(inp); 6320 stcb = sctp_findassociation_ep_addr(&inp, addr, 6321 &net, NULL, NULL); 6322 if (stcb == NULL) { 6323 SCTP_INP_DECR_REF(inp); 6324 } 6325 } 6326 if ((stcb != NULL) && (net == NULL)) { 6327 #ifdef INET 6328 if (addr->sa_family == AF_INET) { 6329 6330 struct sockaddr_in *sin; 6331 6332 sin = (struct sockaddr_in *)addr; 6333 if (sin->sin_addr.s_addr != INADDR_ANY) { 6334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6335 SCTP_TCB_UNLOCK(stcb); 6336 error = EINVAL; 6337 break; 6338 } 6339 } else 6340 #endif 6341 #ifdef INET6 6342 if (addr->sa_family == AF_INET6) { 6343 struct sockaddr_in6 *sin6; 6344 6345 sin6 = (struct sockaddr_in6 *)addr; 6346 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6348 SCTP_TCB_UNLOCK(stcb); 6349 error = EINVAL; 6350 break; 6351 } 6352 } else 6353 #endif 6354 { 6355 error = EAFNOSUPPORT; 6356 SCTP_TCB_UNLOCK(stcb); 6357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6358 break; 6359 } 6360 } 6361 if (thlds->spt_pathcpthld != 0xffff) { 6362 if (stcb != NULL) { 6363 SCTP_TCB_UNLOCK(stcb); 6364 } 6365 error = EINVAL; 6366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6367 break; 6368 } 6369 if (stcb != NULL) { 6370 if (net != NULL) { 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_17); 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 } else { 6401 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6402 net->failure_threshold = thlds->spt_pathmaxrxt; 6403 net->pf_threshold = thlds->spt_pathpfthld; 6404 if (net->dest_state & SCTP_ADDR_PF) { 6405 if ((net->error_count > net->failure_threshold) || 6406 (net->error_count <= net->pf_threshold)) { 6407 net->dest_state &= ~SCTP_ADDR_PF; 6408 } 6409 } else { 6410 if ((net->error_count > net->pf_threshold) && 6411 (net->error_count <= net->failure_threshold)) { 6412 net->dest_state |= SCTP_ADDR_PF; 6413 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6414 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6415 stcb->sctp_ep, stcb, net, 6416 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6417 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6418 } 6419 } 6420 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6421 if (net->error_count > net->failure_threshold) { 6422 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6423 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6424 } 6425 } else { 6426 if (net->error_count <= net->failure_threshold) { 6427 net->dest_state |= SCTP_ADDR_REACHABLE; 6428 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6429 } 6430 } 6431 } 6432 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6433 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6434 } 6435 SCTP_TCB_UNLOCK(stcb); 6436 } else { 6437 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6438 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6439 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6440 SCTP_INP_WLOCK(inp); 6441 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6442 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6443 SCTP_INP_WUNLOCK(inp); 6444 } else { 6445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6446 error = EINVAL; 6447 } 6448 } 6449 break; 6450 } 6451 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6452 { 6453 struct sctp_udpencaps *encaps; 6454 struct sctp_nets *net; 6455 struct sockaddr *addr; 6456 #if defined(INET) && defined(INET6) 6457 struct sockaddr_in sin_store; 6458 #endif 6459 6460 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6461 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6462 6463 #if defined(INET) && defined(INET6) 6464 if (encaps->sue_address.ss_family == AF_INET6) { 6465 struct sockaddr_in6 *sin6; 6466 6467 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6468 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6469 in6_sin6_2_sin(&sin_store, sin6); 6470 addr = (struct sockaddr *)&sin_store; 6471 } else { 6472 addr = (struct sockaddr *)&encaps->sue_address; 6473 } 6474 } else { 6475 addr = (struct sockaddr *)&encaps->sue_address; 6476 } 6477 #else 6478 addr = (struct sockaddr *)&encaps->sue_address; 6479 #endif 6480 if (stcb != NULL) { 6481 net = sctp_findnet(stcb, addr); 6482 } else { 6483 /* 6484 * We increment here since 6485 * sctp_findassociation_ep_addr() wil do a 6486 * decrement if it finds the stcb as long as 6487 * the locked tcb (last argument) is NOT a 6488 * TCB.. aka NULL. 6489 */ 6490 net = NULL; 6491 SCTP_INP_INCR_REF(inp); 6492 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6493 if (stcb == NULL) { 6494 SCTP_INP_DECR_REF(inp); 6495 } 6496 } 6497 if ((stcb != NULL) && (net == NULL)) { 6498 #ifdef INET 6499 if (addr->sa_family == AF_INET) { 6500 6501 struct sockaddr_in *sin; 6502 6503 sin = (struct sockaddr_in *)addr; 6504 if (sin->sin_addr.s_addr != INADDR_ANY) { 6505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6506 SCTP_TCB_UNLOCK(stcb); 6507 error = EINVAL; 6508 break; 6509 } 6510 } else 6511 #endif 6512 #ifdef INET6 6513 if (addr->sa_family == AF_INET6) { 6514 struct sockaddr_in6 *sin6; 6515 6516 sin6 = (struct sockaddr_in6 *)addr; 6517 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6519 SCTP_TCB_UNLOCK(stcb); 6520 error = EINVAL; 6521 break; 6522 } 6523 } else 6524 #endif 6525 { 6526 error = EAFNOSUPPORT; 6527 SCTP_TCB_UNLOCK(stcb); 6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6529 break; 6530 } 6531 } 6532 6533 if (stcb != NULL) { 6534 if (net != NULL) { 6535 net->port = encaps->sue_port; 6536 } else { 6537 stcb->asoc.port = encaps->sue_port; 6538 } 6539 SCTP_TCB_UNLOCK(stcb); 6540 } else { 6541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6543 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6544 SCTP_INP_WLOCK(inp); 6545 inp->sctp_ep.port = encaps->sue_port; 6546 SCTP_INP_WUNLOCK(inp); 6547 } else { 6548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6549 error = EINVAL; 6550 } 6551 } 6552 break; 6553 } 6554 case SCTP_ECN_SUPPORTED: 6555 { 6556 struct sctp_assoc_value *av; 6557 6558 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6559 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6560 6561 if (stcb) { 6562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6563 error = EINVAL; 6564 SCTP_TCB_UNLOCK(stcb); 6565 } else { 6566 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6567 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6568 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6569 SCTP_INP_WLOCK(inp); 6570 if (av->assoc_value == 0) { 6571 inp->ecn_supported = 0; 6572 } else { 6573 inp->ecn_supported = 1; 6574 } 6575 SCTP_INP_WUNLOCK(inp); 6576 } else { 6577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6578 error = EINVAL; 6579 } 6580 } 6581 break; 6582 } 6583 case SCTP_PR_SUPPORTED: 6584 { 6585 struct sctp_assoc_value *av; 6586 6587 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6588 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6589 6590 if (stcb) { 6591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6592 error = EINVAL; 6593 SCTP_TCB_UNLOCK(stcb); 6594 } else { 6595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6596 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6597 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6598 SCTP_INP_WLOCK(inp); 6599 if (av->assoc_value == 0) { 6600 inp->prsctp_supported = 0; 6601 } else { 6602 inp->prsctp_supported = 1; 6603 } 6604 SCTP_INP_WUNLOCK(inp); 6605 } else { 6606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6607 error = EINVAL; 6608 } 6609 } 6610 break; 6611 } 6612 case SCTP_AUTH_SUPPORTED: 6613 { 6614 struct sctp_assoc_value *av; 6615 6616 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6617 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6618 6619 if (stcb) { 6620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6621 error = EINVAL; 6622 SCTP_TCB_UNLOCK(stcb); 6623 } else { 6624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6626 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6627 if ((av->assoc_value == 0) && 6628 (inp->asconf_supported == 1)) { 6629 /* 6630 * AUTH is required for 6631 * ASCONF 6632 */ 6633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6634 error = EINVAL; 6635 } else { 6636 SCTP_INP_WLOCK(inp); 6637 if (av->assoc_value == 0) { 6638 inp->auth_supported = 0; 6639 } else { 6640 inp->auth_supported = 1; 6641 } 6642 SCTP_INP_WUNLOCK(inp); 6643 } 6644 } else { 6645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6646 error = EINVAL; 6647 } 6648 } 6649 break; 6650 } 6651 case SCTP_ASCONF_SUPPORTED: 6652 { 6653 struct sctp_assoc_value *av; 6654 6655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6657 6658 if (stcb) { 6659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6660 error = EINVAL; 6661 SCTP_TCB_UNLOCK(stcb); 6662 } else { 6663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6665 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6666 if ((av->assoc_value != 0) && 6667 (inp->auth_supported == 0)) { 6668 /* 6669 * AUTH is required for 6670 * ASCONF 6671 */ 6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6673 error = EINVAL; 6674 } else { 6675 SCTP_INP_WLOCK(inp); 6676 if (av->assoc_value == 0) { 6677 inp->asconf_supported = 0; 6678 sctp_auth_delete_chunk(SCTP_ASCONF, 6679 inp->sctp_ep.local_auth_chunks); 6680 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6681 inp->sctp_ep.local_auth_chunks); 6682 } else { 6683 inp->asconf_supported = 1; 6684 sctp_auth_add_chunk(SCTP_ASCONF, 6685 inp->sctp_ep.local_auth_chunks); 6686 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6687 inp->sctp_ep.local_auth_chunks); 6688 } 6689 SCTP_INP_WUNLOCK(inp); 6690 } 6691 } else { 6692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6693 error = EINVAL; 6694 } 6695 } 6696 break; 6697 } 6698 case SCTP_RECONFIG_SUPPORTED: 6699 { 6700 struct sctp_assoc_value *av; 6701 6702 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6703 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6704 6705 if (stcb) { 6706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6707 error = EINVAL; 6708 SCTP_TCB_UNLOCK(stcb); 6709 } else { 6710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6712 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6713 SCTP_INP_WLOCK(inp); 6714 if (av->assoc_value == 0) { 6715 inp->reconfig_supported = 0; 6716 } else { 6717 inp->reconfig_supported = 1; 6718 } 6719 SCTP_INP_WUNLOCK(inp); 6720 } else { 6721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6722 error = EINVAL; 6723 } 6724 } 6725 break; 6726 } 6727 case SCTP_NRSACK_SUPPORTED: 6728 { 6729 struct sctp_assoc_value *av; 6730 6731 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6732 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6733 6734 if (stcb) { 6735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6736 error = EINVAL; 6737 SCTP_TCB_UNLOCK(stcb); 6738 } else { 6739 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6740 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6741 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6742 SCTP_INP_WLOCK(inp); 6743 if (av->assoc_value == 0) { 6744 inp->nrsack_supported = 0; 6745 } else { 6746 inp->nrsack_supported = 1; 6747 } 6748 SCTP_INP_WUNLOCK(inp); 6749 } else { 6750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6751 error = EINVAL; 6752 } 6753 } 6754 break; 6755 } 6756 case SCTP_PKTDROP_SUPPORTED: 6757 { 6758 struct sctp_assoc_value *av; 6759 6760 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6761 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6762 6763 if (stcb) { 6764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6765 error = EINVAL; 6766 SCTP_TCB_UNLOCK(stcb); 6767 } else { 6768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6770 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6771 SCTP_INP_WLOCK(inp); 6772 if (av->assoc_value == 0) { 6773 inp->pktdrop_supported = 0; 6774 } else { 6775 inp->pktdrop_supported = 1; 6776 } 6777 SCTP_INP_WUNLOCK(inp); 6778 } else { 6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6780 error = EINVAL; 6781 } 6782 } 6783 break; 6784 } 6785 case SCTP_MAX_CWND: 6786 { 6787 struct sctp_assoc_value *av; 6788 struct sctp_nets *net; 6789 6790 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6791 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6792 6793 if (stcb) { 6794 stcb->asoc.max_cwnd = av->assoc_value; 6795 if (stcb->asoc.max_cwnd > 0) { 6796 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6797 if ((net->cwnd > stcb->asoc.max_cwnd) && 6798 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6799 net->cwnd = stcb->asoc.max_cwnd; 6800 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6801 net->cwnd = net->mtu - sizeof(struct sctphdr); 6802 } 6803 } 6804 } 6805 } 6806 SCTP_TCB_UNLOCK(stcb); 6807 } else { 6808 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6809 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6810 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6811 SCTP_INP_WLOCK(inp); 6812 inp->max_cwnd = av->assoc_value; 6813 SCTP_INP_WUNLOCK(inp); 6814 } else { 6815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6816 error = EINVAL; 6817 } 6818 } 6819 break; 6820 } 6821 default: 6822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6823 error = ENOPROTOOPT; 6824 break; 6825 } /* end switch (opt) */ 6826 return (error); 6827 } 6828 6829 int 6830 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6831 { 6832 void *optval = NULL; 6833 size_t optsize = 0; 6834 void *p; 6835 int error = 0; 6836 struct sctp_inpcb *inp; 6837 6838 if ((sopt->sopt_level == SOL_SOCKET) && 6839 (sopt->sopt_name == SO_SETFIB)) { 6840 inp = (struct sctp_inpcb *)so->so_pcb; 6841 if (inp == NULL) { 6842 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6843 return (EINVAL); 6844 } 6845 SCTP_INP_WLOCK(inp); 6846 inp->fibnum = so->so_fibnum; 6847 SCTP_INP_WUNLOCK(inp); 6848 return (0); 6849 } 6850 if (sopt->sopt_level != IPPROTO_SCTP) { 6851 /* wrong proto level... send back up to IP */ 6852 #ifdef INET6 6853 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6854 error = ip6_ctloutput(so, sopt); 6855 #endif /* INET6 */ 6856 #if defined(INET) && defined(INET6) 6857 else 6858 #endif 6859 #ifdef INET 6860 error = ip_ctloutput(so, sopt); 6861 #endif 6862 return (error); 6863 } 6864 optsize = sopt->sopt_valsize; 6865 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6866 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6867 return (ENOBUFS); 6868 } 6869 if (optsize) { 6870 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6871 if (optval == NULL) { 6872 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6873 return (ENOBUFS); 6874 } 6875 error = sooptcopyin(sopt, optval, optsize, optsize); 6876 if (error) { 6877 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6878 goto out; 6879 } 6880 } 6881 p = (void *)sopt->sopt_td; 6882 if (sopt->sopt_dir == SOPT_SET) { 6883 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6884 } else if (sopt->sopt_dir == SOPT_GET) { 6885 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6886 } else { 6887 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6888 error = EINVAL; 6889 } 6890 if ((error == 0) && (optval != NULL)) { 6891 error = sooptcopyout(sopt, optval, optsize); 6892 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6893 } else if (optval != NULL) { 6894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6895 } 6896 out: 6897 return (error); 6898 } 6899 6900 #ifdef INET 6901 static int 6902 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6903 { 6904 int error = 0; 6905 int create_lock_on = 0; 6906 uint32_t vrf_id; 6907 struct sctp_inpcb *inp; 6908 struct sctp_tcb *stcb = NULL; 6909 6910 inp = (struct sctp_inpcb *)so->so_pcb; 6911 if (inp == NULL) { 6912 /* I made the same as TCP since we are not setup? */ 6913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6914 return (ECONNRESET); 6915 } 6916 if (addr == NULL) { 6917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6918 return EINVAL; 6919 } 6920 6921 switch (addr->sa_family) { 6922 #ifdef INET6 6923 case AF_INET6: 6924 { 6925 struct sockaddr_in6 *sin6p; 6926 6927 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6929 return (EINVAL); 6930 } 6931 sin6p = (struct sockaddr_in6 *)addr; 6932 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6934 return (error); 6935 } 6936 break; 6937 } 6938 #endif 6939 #ifdef INET 6940 case AF_INET: 6941 { 6942 struct sockaddr_in *sinp; 6943 6944 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6946 return (EINVAL); 6947 } 6948 sinp = (struct sockaddr_in *)addr; 6949 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6951 return (error); 6952 } 6953 break; 6954 } 6955 #endif 6956 default: 6957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6958 return (EAFNOSUPPORT); 6959 } 6960 SCTP_INP_INCR_REF(inp); 6961 SCTP_ASOC_CREATE_LOCK(inp); 6962 create_lock_on = 1; 6963 6964 6965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6966 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6967 /* Should I really unlock ? */ 6968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6969 error = EFAULT; 6970 goto out_now; 6971 } 6972 #ifdef INET6 6973 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6974 (addr->sa_family == AF_INET6)) { 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6976 error = EINVAL; 6977 goto out_now; 6978 } 6979 #endif 6980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6981 SCTP_PCB_FLAGS_UNBOUND) { 6982 /* Bind a ephemeral port */ 6983 error = sctp_inpcb_bind(so, NULL, NULL, p); 6984 if (error) { 6985 goto out_now; 6986 } 6987 } 6988 /* Now do we connect? */ 6989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6990 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6992 error = EINVAL; 6993 goto out_now; 6994 } 6995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6996 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6997 /* We are already connected AND the TCP model */ 6998 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6999 error = EADDRINUSE; 7000 goto out_now; 7001 } 7002 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7003 SCTP_INP_RLOCK(inp); 7004 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7005 SCTP_INP_RUNLOCK(inp); 7006 } else { 7007 /* 7008 * We increment here since sctp_findassociation_ep_addr() 7009 * will do a decrement if it finds the stcb as long as the 7010 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7011 */ 7012 SCTP_INP_INCR_REF(inp); 7013 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7014 if (stcb == NULL) { 7015 SCTP_INP_DECR_REF(inp); 7016 } else { 7017 SCTP_TCB_UNLOCK(stcb); 7018 } 7019 } 7020 if (stcb != NULL) { 7021 /* Already have or am bring up an association */ 7022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7023 error = EALREADY; 7024 goto out_now; 7025 } 7026 7027 vrf_id = inp->def_vrf_id; 7028 /* We are GOOD to go */ 7029 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7030 inp->sctp_ep.pre_open_stream_count, 7031 inp->sctp_ep.port, p); 7032 if (stcb == NULL) { 7033 /* Gak! no memory */ 7034 goto out_now; 7035 } 7036 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7037 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7038 /* Set the connected flag so we can queue data */ 7039 soisconnecting(so); 7040 } 7041 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7042 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7043 7044 /* initialize authentication parameters for the assoc */ 7045 sctp_initialize_auth_params(inp, stcb); 7046 7047 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7048 SCTP_TCB_UNLOCK(stcb); 7049 out_now: 7050 if (create_lock_on) { 7051 SCTP_ASOC_CREATE_UNLOCK(inp); 7052 } 7053 7054 SCTP_INP_DECR_REF(inp); 7055 return (error); 7056 } 7057 #endif 7058 7059 int 7060 sctp_listen(struct socket *so, int backlog, struct thread *p) 7061 { 7062 /* 7063 * Note this module depends on the protocol processing being called 7064 * AFTER any socket level flags and backlog are applied to the 7065 * socket. The traditional way that the socket flags are applied is 7066 * AFTER protocol processing. We have made a change to the 7067 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7068 * place if the socket API for SCTP is to work properly. 7069 */ 7070 7071 int error = 0; 7072 struct sctp_inpcb *inp; 7073 7074 inp = (struct sctp_inpcb *)so->so_pcb; 7075 if (inp == NULL) { 7076 /* I made the same as TCP since we are not setup? */ 7077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7078 return (ECONNRESET); 7079 } 7080 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7081 /* See if we have a listener */ 7082 struct sctp_inpcb *tinp; 7083 union sctp_sockstore store; 7084 7085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7086 /* not bound all */ 7087 struct sctp_laddr *laddr; 7088 7089 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7090 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7091 switch (store.sa.sa_family) { 7092 #ifdef INET 7093 case AF_INET: 7094 store.sin.sin_port = inp->sctp_lport; 7095 break; 7096 #endif 7097 #ifdef INET6 7098 case AF_INET6: 7099 store.sin6.sin6_port = inp->sctp_lport; 7100 break; 7101 #endif 7102 default: 7103 break; 7104 } 7105 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7106 if (tinp && (tinp != inp) && 7107 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7108 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7109 (SCTP_IS_LISTENING(tinp))) { 7110 /* 7111 * we have a listener already and 7112 * its not this inp. 7113 */ 7114 SCTP_INP_DECR_REF(tinp); 7115 return (EADDRINUSE); 7116 } else if (tinp) { 7117 SCTP_INP_DECR_REF(tinp); 7118 } 7119 } 7120 } else { 7121 /* Setup a local addr bound all */ 7122 memset(&store, 0, sizeof(store)); 7123 #ifdef INET6 7124 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7125 store.sa.sa_family = AF_INET6; 7126 store.sa.sa_len = sizeof(struct sockaddr_in6); 7127 } 7128 #endif 7129 #ifdef INET 7130 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7131 store.sa.sa_family = AF_INET; 7132 store.sa.sa_len = sizeof(struct sockaddr_in); 7133 } 7134 #endif 7135 switch (store.sa.sa_family) { 7136 #ifdef INET 7137 case AF_INET: 7138 store.sin.sin_port = inp->sctp_lport; 7139 break; 7140 #endif 7141 #ifdef INET6 7142 case AF_INET6: 7143 store.sin6.sin6_port = inp->sctp_lport; 7144 break; 7145 #endif 7146 default: 7147 break; 7148 } 7149 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7150 if (tinp && (tinp != inp) && 7151 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7152 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7153 (SCTP_IS_LISTENING(tinp))) { 7154 /* 7155 * we have a listener already and its not 7156 * this inp. 7157 */ 7158 SCTP_INP_DECR_REF(tinp); 7159 return (EADDRINUSE); 7160 } else if (tinp) { 7161 SCTP_INP_DECR_REF(tinp); 7162 } 7163 } 7164 } 7165 SCTP_INP_RLOCK(inp); 7166 #ifdef SCTP_LOCK_LOGGING 7167 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7168 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7169 } 7170 #endif 7171 SOCK_LOCK(so); 7172 error = solisten_proto_check(so); 7173 SOCK_UNLOCK(so); 7174 if (error) { 7175 SCTP_INP_RUNLOCK(inp); 7176 return (error); 7177 } 7178 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7180 /* 7181 * The unlucky case - We are in the tcp pool with this guy. 7182 * - Someone else is in the main inp slot. - We must move 7183 * this guy (the listener) to the main slot - We must then 7184 * move the guy that was listener to the TCP Pool. 7185 */ 7186 if (sctp_swap_inpcb_for_listen(inp)) { 7187 SCTP_INP_RUNLOCK(inp); 7188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7189 return (EADDRINUSE); 7190 } 7191 } 7192 7193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7194 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7195 /* We are already connected AND the TCP model */ 7196 SCTP_INP_RUNLOCK(inp); 7197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7198 return (EADDRINUSE); 7199 } 7200 SCTP_INP_RUNLOCK(inp); 7201 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7202 /* We must do a bind. */ 7203 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7204 /* bind error, probably perm */ 7205 return (error); 7206 } 7207 } 7208 SCTP_INP_WLOCK(inp); 7209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7210 SOCK_LOCK(so); 7211 solisten_proto(so, backlog); 7212 SOCK_UNLOCK(so); 7213 } 7214 if (backlog > 0) { 7215 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7216 } else { 7217 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7218 } 7219 SCTP_INP_WUNLOCK(inp); 7220 return (error); 7221 } 7222 7223 static int sctp_defered_wakeup_cnt = 0; 7224 7225 int 7226 sctp_accept(struct socket *so, struct sockaddr **addr) 7227 { 7228 struct sctp_tcb *stcb; 7229 struct sctp_inpcb *inp; 7230 union sctp_sockstore store; 7231 #ifdef INET6 7232 int error; 7233 #endif 7234 inp = (struct sctp_inpcb *)so->so_pcb; 7235 7236 if (inp == NULL) { 7237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7238 return (ECONNRESET); 7239 } 7240 SCTP_INP_RLOCK(inp); 7241 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7242 SCTP_INP_RUNLOCK(inp); 7243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7244 return (EOPNOTSUPP); 7245 } 7246 if (so->so_state & SS_ISDISCONNECTED) { 7247 SCTP_INP_RUNLOCK(inp); 7248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7249 return (ECONNABORTED); 7250 } 7251 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7252 if (stcb == NULL) { 7253 SCTP_INP_RUNLOCK(inp); 7254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7255 return (ECONNRESET); 7256 } 7257 SCTP_TCB_LOCK(stcb); 7258 SCTP_INP_RUNLOCK(inp); 7259 store = stcb->asoc.primary_destination->ro._l_addr; 7260 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7261 SCTP_TCB_UNLOCK(stcb); 7262 switch (store.sa.sa_family) { 7263 #ifdef INET 7264 case AF_INET: 7265 { 7266 struct sockaddr_in *sin; 7267 7268 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7269 if (sin == NULL) 7270 return (ENOMEM); 7271 sin->sin_family = AF_INET; 7272 sin->sin_len = sizeof(*sin); 7273 sin->sin_port = store.sin.sin_port; 7274 sin->sin_addr = store.sin.sin_addr; 7275 *addr = (struct sockaddr *)sin; 7276 break; 7277 } 7278 #endif 7279 #ifdef INET6 7280 case AF_INET6: 7281 { 7282 struct sockaddr_in6 *sin6; 7283 7284 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7285 if (sin6 == NULL) 7286 return (ENOMEM); 7287 sin6->sin6_family = AF_INET6; 7288 sin6->sin6_len = sizeof(*sin6); 7289 sin6->sin6_port = store.sin6.sin6_port; 7290 sin6->sin6_addr = store.sin6.sin6_addr; 7291 if ((error = sa6_recoverscope(sin6)) != 0) { 7292 SCTP_FREE_SONAME(sin6); 7293 return (error); 7294 } 7295 *addr = (struct sockaddr *)sin6; 7296 break; 7297 } 7298 #endif 7299 default: 7300 /* TSNH */ 7301 break; 7302 } 7303 /* Wake any delayed sleep action */ 7304 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7305 SCTP_INP_WLOCK(inp); 7306 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7307 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7308 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7309 SCTP_INP_WUNLOCK(inp); 7310 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7311 if (sowriteable(inp->sctp_socket)) { 7312 sowwakeup_locked(inp->sctp_socket); 7313 } else { 7314 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7315 } 7316 SCTP_INP_WLOCK(inp); 7317 } 7318 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7319 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7320 SCTP_INP_WUNLOCK(inp); 7321 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7322 if (soreadable(inp->sctp_socket)) { 7323 sctp_defered_wakeup_cnt++; 7324 sorwakeup_locked(inp->sctp_socket); 7325 } else { 7326 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7327 } 7328 SCTP_INP_WLOCK(inp); 7329 } 7330 SCTP_INP_WUNLOCK(inp); 7331 } 7332 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7333 SCTP_TCB_LOCK(stcb); 7334 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7335 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7336 } 7337 return (0); 7338 } 7339 7340 #ifdef INET 7341 int 7342 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7343 { 7344 struct sockaddr_in *sin; 7345 uint32_t vrf_id; 7346 struct sctp_inpcb *inp; 7347 struct sctp_ifa *sctp_ifa; 7348 7349 /* 7350 * Do the malloc first in case it blocks. 7351 */ 7352 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7353 if (sin == NULL) 7354 return (ENOMEM); 7355 sin->sin_family = AF_INET; 7356 sin->sin_len = sizeof(*sin); 7357 inp = (struct sctp_inpcb *)so->so_pcb; 7358 if (!inp) { 7359 SCTP_FREE_SONAME(sin); 7360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7361 return (ECONNRESET); 7362 } 7363 SCTP_INP_RLOCK(inp); 7364 sin->sin_port = inp->sctp_lport; 7365 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7366 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7367 struct sctp_tcb *stcb; 7368 struct sockaddr_in *sin_a; 7369 struct sctp_nets *net; 7370 int fnd; 7371 7372 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7373 if (stcb == NULL) { 7374 goto notConn; 7375 } 7376 fnd = 0; 7377 sin_a = NULL; 7378 SCTP_TCB_LOCK(stcb); 7379 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7380 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7381 if (sin_a == NULL) 7382 /* this will make coverity happy */ 7383 continue; 7384 7385 if (sin_a->sin_family == AF_INET) { 7386 fnd = 1; 7387 break; 7388 } 7389 } 7390 if ((!fnd) || (sin_a == NULL)) { 7391 /* punt */ 7392 SCTP_TCB_UNLOCK(stcb); 7393 goto notConn; 7394 } 7395 7396 vrf_id = inp->def_vrf_id; 7397 sctp_ifa = sctp_source_address_selection(inp, 7398 stcb, 7399 (sctp_route_t *)&net->ro, 7400 net, 0, vrf_id); 7401 if (sctp_ifa) { 7402 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7403 sctp_free_ifa(sctp_ifa); 7404 } 7405 SCTP_TCB_UNLOCK(stcb); 7406 } else { 7407 /* For the bound all case you get back 0 */ 7408 notConn: 7409 sin->sin_addr.s_addr = 0; 7410 } 7411 7412 } else { 7413 /* Take the first IPv4 address in the list */ 7414 struct sctp_laddr *laddr; 7415 int fnd = 0; 7416 7417 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7418 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7419 struct sockaddr_in *sin_a; 7420 7421 sin_a = &laddr->ifa->address.sin; 7422 sin->sin_addr = sin_a->sin_addr; 7423 fnd = 1; 7424 break; 7425 } 7426 } 7427 if (!fnd) { 7428 SCTP_FREE_SONAME(sin); 7429 SCTP_INP_RUNLOCK(inp); 7430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7431 return (ENOENT); 7432 } 7433 } 7434 SCTP_INP_RUNLOCK(inp); 7435 (*addr) = (struct sockaddr *)sin; 7436 return (0); 7437 } 7438 7439 int 7440 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7441 { 7442 struct sockaddr_in *sin; 7443 int fnd; 7444 struct sockaddr_in *sin_a; 7445 struct sctp_inpcb *inp; 7446 struct sctp_tcb *stcb; 7447 struct sctp_nets *net; 7448 7449 /* Do the malloc first in case it blocks. */ 7450 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7451 if (sin == NULL) 7452 return (ENOMEM); 7453 sin->sin_family = AF_INET; 7454 sin->sin_len = sizeof(*sin); 7455 7456 inp = (struct sctp_inpcb *)so->so_pcb; 7457 if ((inp == NULL) || 7458 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7459 /* UDP type and listeners will drop out here */ 7460 SCTP_FREE_SONAME(sin); 7461 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7462 return (ENOTCONN); 7463 } 7464 SCTP_INP_RLOCK(inp); 7465 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7466 if (stcb) { 7467 SCTP_TCB_LOCK(stcb); 7468 } 7469 SCTP_INP_RUNLOCK(inp); 7470 if (stcb == NULL) { 7471 SCTP_FREE_SONAME(sin); 7472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7473 return (ECONNRESET); 7474 } 7475 fnd = 0; 7476 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7477 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7478 if (sin_a->sin_family == AF_INET) { 7479 fnd = 1; 7480 sin->sin_port = stcb->rport; 7481 sin->sin_addr = sin_a->sin_addr; 7482 break; 7483 } 7484 } 7485 SCTP_TCB_UNLOCK(stcb); 7486 if (!fnd) { 7487 /* No IPv4 address */ 7488 SCTP_FREE_SONAME(sin); 7489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7490 return (ENOENT); 7491 } 7492 (*addr) = (struct sockaddr *)sin; 7493 return (0); 7494 } 7495 7496 struct pr_usrreqs sctp_usrreqs = { 7497 .pru_abort = sctp_abort, 7498 .pru_accept = sctp_accept, 7499 .pru_attach = sctp_attach, 7500 .pru_bind = sctp_bind, 7501 .pru_connect = sctp_connect, 7502 .pru_control = in_control, 7503 .pru_close = sctp_close, 7504 .pru_detach = sctp_close, 7505 .pru_sopoll = sopoll_generic, 7506 .pru_flush = sctp_flush, 7507 .pru_disconnect = sctp_disconnect, 7508 .pru_listen = sctp_listen, 7509 .pru_peeraddr = sctp_peeraddr, 7510 .pru_send = sctp_sendm, 7511 .pru_shutdown = sctp_shutdown, 7512 .pru_sockaddr = sctp_ingetaddr, 7513 .pru_sosend = sctp_sosend, 7514 .pru_soreceive = sctp_soreceive 7515 }; 7516 #endif 7517