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_INP_RUNLOCK(inp); 969 sctp_abort_an_association(stcb->sctp_ep, stcb, 970 op_err, SCTP_SO_LOCKED); 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; 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 sctp_assoc_t *a_id; 1362 1363 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1364 1365 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1366 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1367 /* We are already connected AND the TCP model */ 1368 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1369 return (EADDRINUSE); 1370 } 1371 1372 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1373 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1374 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1375 return (EINVAL); 1376 } 1377 1378 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1379 SCTP_INP_RLOCK(inp); 1380 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1381 SCTP_INP_RUNLOCK(inp); 1382 } 1383 if (stcb) { 1384 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1385 return (EALREADY); 1386 } 1387 SCTP_INP_INCR_REF(inp); 1388 SCTP_ASOC_CREATE_LOCK(inp); 1389 creat_lock_on = 1; 1390 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1391 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1392 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1393 error = EFAULT; 1394 goto out_now; 1395 } 1396 totaddrp = (unsigned int *)optval; 1397 totaddr = *totaddrp; 1398 sa = (struct sockaddr *)(totaddrp + 1); 1399 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1400 if (error != 0) { 1401 /* Already have or am bring up an association */ 1402 SCTP_ASOC_CREATE_UNLOCK(inp); 1403 creat_lock_on = 0; 1404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1405 goto out_now; 1406 } 1407 #ifdef INET6 1408 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1409 (num_v6 > 0)) { 1410 error = EINVAL; 1411 goto out_now; 1412 } 1413 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1414 (num_v4 > 0)) { 1415 if (SCTP_IPV6_V6ONLY(inp)) { 1416 /* 1417 * if IPV6_V6ONLY flag, ignore connections destined 1418 * to a v4 addr or v4-mapped addr 1419 */ 1420 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1421 error = EINVAL; 1422 goto out_now; 1423 } 1424 } 1425 #endif /* INET6 */ 1426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1427 SCTP_PCB_FLAGS_UNBOUND) { 1428 /* Bind a ephemeral port */ 1429 error = sctp_inpcb_bind(so, NULL, NULL, p); 1430 if (error) { 1431 goto out_now; 1432 } 1433 } 1434 1435 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1436 vrf_id = inp->def_vrf_id; 1437 1438 1439 /* We are GOOD to go */ 1440 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1441 inp->sctp_ep.pre_open_stream_count, 1442 inp->sctp_ep.port, 1443 (struct thread *)p, 1444 SCTP_INITIALIZE_AUTH_PARAMS); 1445 if (stcb == NULL) { 1446 /* Gak! no memory */ 1447 goto out_now; 1448 } 1449 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1450 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1451 /* Set the connected flag so we can queue data */ 1452 soisconnecting(so); 1453 } 1454 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1455 /* move to second address */ 1456 switch (sa->sa_family) { 1457 #ifdef INET 1458 case AF_INET: 1459 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1460 break; 1461 #endif 1462 #ifdef INET6 1463 case AF_INET6: 1464 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1465 break; 1466 #endif 1467 default: 1468 break; 1469 } 1470 1471 error = 0; 1472 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1473 /* Fill in the return id */ 1474 if (error) { 1475 goto out_now; 1476 } 1477 a_id = (sctp_assoc_t *)optval; 1478 *a_id = sctp_get_associd(stcb); 1479 1480 if (delay) { 1481 /* doing delayed connection */ 1482 stcb->asoc.delayed_connection = 1; 1483 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1484 } else { 1485 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1486 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1487 } 1488 SCTP_TCB_UNLOCK(stcb); 1489 out_now: 1490 if (creat_lock_on) { 1491 SCTP_ASOC_CREATE_UNLOCK(inp); 1492 } 1493 SCTP_INP_DECR_REF(inp); 1494 return (error); 1495 } 1496 1497 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1499 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1500 SCTP_INP_RLOCK(inp); \ 1501 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1502 if (stcb) { \ 1503 SCTP_TCB_LOCK(stcb); \ 1504 } \ 1505 SCTP_INP_RUNLOCK(inp); \ 1506 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1507 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1508 if (stcb == NULL) { \ 1509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1510 error = ENOENT; \ 1511 break; \ 1512 } \ 1513 } else { \ 1514 stcb = NULL; \ 1515 } \ 1516 } 1517 1518 1519 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1520 if (size < sizeof(type)) { \ 1521 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1522 error = EINVAL; \ 1523 break; \ 1524 } else { \ 1525 destp = (type *)srcp; \ 1526 } \ 1527 } 1528 1529 static int 1530 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1531 void *p) 1532 { 1533 struct sctp_inpcb *inp = NULL; 1534 int error, val = 0; 1535 struct sctp_tcb *stcb = NULL; 1536 1537 if (optval == NULL) { 1538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1539 return (EINVAL); 1540 } 1541 1542 inp = (struct sctp_inpcb *)so->so_pcb; 1543 if (inp == NULL) { 1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1545 return EINVAL; 1546 } 1547 error = 0; 1548 1549 switch (optname) { 1550 case SCTP_NODELAY: 1551 case SCTP_AUTOCLOSE: 1552 case SCTP_EXPLICIT_EOR: 1553 case SCTP_AUTO_ASCONF: 1554 case SCTP_DISABLE_FRAGMENTS: 1555 case SCTP_I_WANT_MAPPED_V4_ADDR: 1556 case SCTP_USE_EXT_RCVINFO: 1557 SCTP_INP_RLOCK(inp); 1558 switch (optname) { 1559 case SCTP_DISABLE_FRAGMENTS: 1560 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1561 break; 1562 case SCTP_I_WANT_MAPPED_V4_ADDR: 1563 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1564 break; 1565 case SCTP_AUTO_ASCONF: 1566 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1567 /* only valid for bound all sockets */ 1568 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1569 } else { 1570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1571 error = EINVAL; 1572 goto flags_out; 1573 } 1574 break; 1575 case SCTP_EXPLICIT_EOR: 1576 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1577 break; 1578 case SCTP_NODELAY: 1579 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1580 break; 1581 case SCTP_USE_EXT_RCVINFO: 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1583 break; 1584 case SCTP_AUTOCLOSE: 1585 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1586 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1587 else 1588 val = 0; 1589 break; 1590 1591 default: 1592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1593 error = ENOPROTOOPT; 1594 } /* end switch (sopt->sopt_name) */ 1595 if (*optsize < sizeof(val)) { 1596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1597 error = EINVAL; 1598 } 1599 flags_out: 1600 SCTP_INP_RUNLOCK(inp); 1601 if (error == 0) { 1602 /* return the option value */ 1603 *(int *)optval = val; 1604 *optsize = sizeof(val); 1605 } 1606 break; 1607 case SCTP_GET_PACKET_LOG: 1608 { 1609 #ifdef SCTP_PACKET_LOGGING 1610 uint8_t *target; 1611 int ret; 1612 1613 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1614 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1615 *optsize = ret; 1616 #else 1617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1618 error = EOPNOTSUPP; 1619 #endif 1620 break; 1621 } 1622 case SCTP_REUSE_PORT: 1623 { 1624 uint32_t *value; 1625 1626 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1627 /* Can't do this for a 1-m socket */ 1628 error = EINVAL; 1629 break; 1630 } 1631 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1632 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1633 *optsize = sizeof(uint32_t); 1634 break; 1635 } 1636 case SCTP_PARTIAL_DELIVERY_POINT: 1637 { 1638 uint32_t *value; 1639 1640 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1641 *value = inp->partial_delivery_point; 1642 *optsize = sizeof(uint32_t); 1643 break; 1644 } 1645 case SCTP_FRAGMENT_INTERLEAVE: 1646 { 1647 uint32_t *value; 1648 1649 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1650 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1651 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1652 *value = SCTP_FRAG_LEVEL_2; 1653 } else { 1654 *value = SCTP_FRAG_LEVEL_1; 1655 } 1656 } else { 1657 *value = SCTP_FRAG_LEVEL_0; 1658 } 1659 *optsize = sizeof(uint32_t); 1660 break; 1661 } 1662 case SCTP_INTERLEAVING_SUPPORTED: 1663 { 1664 struct sctp_assoc_value *av; 1665 1666 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1667 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1668 1669 if (stcb) { 1670 av->assoc_value = stcb->asoc.idata_supported; 1671 SCTP_TCB_UNLOCK(stcb); 1672 } else { 1673 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1674 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1675 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1676 SCTP_INP_RLOCK(inp); 1677 if (inp->idata_supported) { 1678 av->assoc_value = 1; 1679 } else { 1680 av->assoc_value = 0; 1681 } 1682 SCTP_INP_RUNLOCK(inp); 1683 } else { 1684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1685 error = EINVAL; 1686 } 1687 } 1688 if (error == 0) { 1689 *optsize = sizeof(struct sctp_assoc_value); 1690 } 1691 break; 1692 } 1693 case SCTP_CMT_ON_OFF: 1694 { 1695 struct sctp_assoc_value *av; 1696 1697 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1698 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1699 if (stcb) { 1700 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1701 SCTP_TCB_UNLOCK(stcb); 1702 } else { 1703 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1704 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1705 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1706 SCTP_INP_RLOCK(inp); 1707 av->assoc_value = inp->sctp_cmt_on_off; 1708 SCTP_INP_RUNLOCK(inp); 1709 } else { 1710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1711 error = EINVAL; 1712 } 1713 } 1714 if (error == 0) { 1715 *optsize = sizeof(struct sctp_assoc_value); 1716 } 1717 break; 1718 } 1719 case SCTP_PLUGGABLE_CC: 1720 { 1721 struct sctp_assoc_value *av; 1722 1723 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1724 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1725 if (stcb) { 1726 av->assoc_value = stcb->asoc.congestion_control_module; 1727 SCTP_TCB_UNLOCK(stcb); 1728 } else { 1729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1731 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1732 SCTP_INP_RLOCK(inp); 1733 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1734 SCTP_INP_RUNLOCK(inp); 1735 } else { 1736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1737 error = EINVAL; 1738 } 1739 } 1740 if (error == 0) { 1741 *optsize = sizeof(struct sctp_assoc_value); 1742 } 1743 break; 1744 } 1745 case SCTP_CC_OPTION: 1746 { 1747 struct sctp_cc_option *cc_opt; 1748 1749 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1750 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1751 if (stcb == NULL) { 1752 error = EINVAL; 1753 } else { 1754 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1755 error = ENOTSUP; 1756 } else { 1757 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1758 *optsize = sizeof(struct sctp_cc_option); 1759 } 1760 SCTP_TCB_UNLOCK(stcb); 1761 } 1762 break; 1763 } 1764 case SCTP_PLUGGABLE_SS: 1765 { 1766 struct sctp_assoc_value *av; 1767 1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1770 if (stcb) { 1771 av->assoc_value = stcb->asoc.stream_scheduling_module; 1772 SCTP_TCB_UNLOCK(stcb); 1773 } else { 1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1777 SCTP_INP_RLOCK(inp); 1778 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1779 SCTP_INP_RUNLOCK(inp); 1780 } else { 1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1782 error = EINVAL; 1783 } 1784 } 1785 if (error == 0) { 1786 *optsize = sizeof(struct sctp_assoc_value); 1787 } 1788 break; 1789 } 1790 case SCTP_SS_VALUE: 1791 { 1792 struct sctp_stream_value *av; 1793 1794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1795 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1796 if (stcb) { 1797 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1798 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1799 &av->stream_value) < 0)) { 1800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1801 error = EINVAL; 1802 } else { 1803 *optsize = sizeof(struct sctp_stream_value); 1804 } 1805 SCTP_TCB_UNLOCK(stcb); 1806 } else { 1807 /* 1808 * Can't get stream value without 1809 * association 1810 */ 1811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1812 error = EINVAL; 1813 } 1814 break; 1815 } 1816 case SCTP_GET_ADDR_LEN: 1817 { 1818 struct sctp_assoc_value *av; 1819 1820 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1821 error = EINVAL; 1822 #ifdef INET 1823 if (av->assoc_value == AF_INET) { 1824 av->assoc_value = sizeof(struct sockaddr_in); 1825 error = 0; 1826 } 1827 #endif 1828 #ifdef INET6 1829 if (av->assoc_value == AF_INET6) { 1830 av->assoc_value = sizeof(struct sockaddr_in6); 1831 error = 0; 1832 } 1833 #endif 1834 if (error) { 1835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1836 } else { 1837 *optsize = sizeof(struct sctp_assoc_value); 1838 } 1839 break; 1840 } 1841 case SCTP_GET_ASSOC_NUMBER: 1842 { 1843 uint32_t *value, cnt; 1844 1845 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1846 SCTP_INP_RLOCK(inp); 1847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1849 /* Can't do this for a 1-1 socket */ 1850 error = EINVAL; 1851 SCTP_INP_RUNLOCK(inp); 1852 break; 1853 } 1854 cnt = 0; 1855 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1856 cnt++; 1857 } 1858 SCTP_INP_RUNLOCK(inp); 1859 *value = cnt; 1860 *optsize = sizeof(uint32_t); 1861 break; 1862 } 1863 case SCTP_GET_ASSOC_ID_LIST: 1864 { 1865 struct sctp_assoc_ids *ids; 1866 uint32_t at; 1867 size_t limit; 1868 1869 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1870 SCTP_INP_RLOCK(inp); 1871 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1872 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1873 /* Can't do this for a 1-1 socket */ 1874 error = EINVAL; 1875 SCTP_INP_RUNLOCK(inp); 1876 break; 1877 } 1878 at = 0; 1879 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1880 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1881 if (at < limit) { 1882 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1883 if (at == 0) { 1884 error = EINVAL; 1885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1886 break; 1887 } 1888 } else { 1889 error = EINVAL; 1890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1891 break; 1892 } 1893 } 1894 SCTP_INP_RUNLOCK(inp); 1895 if (error == 0) { 1896 ids->gaids_number_of_ids = at; 1897 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1898 } 1899 break; 1900 } 1901 case SCTP_CONTEXT: 1902 { 1903 struct sctp_assoc_value *av; 1904 1905 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1906 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1907 1908 if (stcb) { 1909 av->assoc_value = stcb->asoc.context; 1910 SCTP_TCB_UNLOCK(stcb); 1911 } else { 1912 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1913 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1914 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1915 SCTP_INP_RLOCK(inp); 1916 av->assoc_value = inp->sctp_context; 1917 SCTP_INP_RUNLOCK(inp); 1918 } else { 1919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1920 error = EINVAL; 1921 } 1922 } 1923 if (error == 0) { 1924 *optsize = sizeof(struct sctp_assoc_value); 1925 } 1926 break; 1927 } 1928 case SCTP_VRF_ID: 1929 { 1930 uint32_t *default_vrfid; 1931 1932 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1933 *default_vrfid = inp->def_vrf_id; 1934 *optsize = sizeof(uint32_t); 1935 break; 1936 } 1937 case SCTP_GET_ASOC_VRF: 1938 { 1939 struct sctp_assoc_value *id; 1940 1941 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1942 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1943 if (stcb == NULL) { 1944 error = EINVAL; 1945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1946 } else { 1947 id->assoc_value = stcb->asoc.vrf_id; 1948 SCTP_TCB_UNLOCK(stcb); 1949 *optsize = sizeof(struct sctp_assoc_value); 1950 } 1951 break; 1952 } 1953 case SCTP_GET_VRF_IDS: 1954 { 1955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1956 error = EOPNOTSUPP; 1957 break; 1958 } 1959 case SCTP_GET_NONCE_VALUES: 1960 { 1961 struct sctp_get_nonce_values *gnv; 1962 1963 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1964 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1965 1966 if (stcb) { 1967 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1968 gnv->gn_local_tag = stcb->asoc.my_vtag; 1969 SCTP_TCB_UNLOCK(stcb); 1970 *optsize = sizeof(struct sctp_get_nonce_values); 1971 } else { 1972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1973 error = ENOTCONN; 1974 } 1975 break; 1976 } 1977 case SCTP_DELAYED_SACK: 1978 { 1979 struct sctp_sack_info *sack; 1980 1981 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1982 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1983 if (stcb) { 1984 sack->sack_delay = stcb->asoc.delayed_ack; 1985 sack->sack_freq = stcb->asoc.sack_freq; 1986 SCTP_TCB_UNLOCK(stcb); 1987 } else { 1988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1989 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1990 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 1991 SCTP_INP_RLOCK(inp); 1992 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1993 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1994 SCTP_INP_RUNLOCK(inp); 1995 } else { 1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1997 error = EINVAL; 1998 } 1999 } 2000 if (error == 0) { 2001 *optsize = sizeof(struct sctp_sack_info); 2002 } 2003 break; 2004 } 2005 case SCTP_GET_SNDBUF_USE: 2006 { 2007 struct sctp_sockstat *ss; 2008 2009 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2010 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2011 2012 if (stcb) { 2013 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2014 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2015 stcb->asoc.size_on_all_streams); 2016 SCTP_TCB_UNLOCK(stcb); 2017 *optsize = sizeof(struct sctp_sockstat); 2018 } else { 2019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2020 error = ENOTCONN; 2021 } 2022 break; 2023 } 2024 case SCTP_MAX_BURST: 2025 { 2026 struct sctp_assoc_value *av; 2027 2028 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2029 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2030 2031 if (stcb) { 2032 av->assoc_value = stcb->asoc.max_burst; 2033 SCTP_TCB_UNLOCK(stcb); 2034 } else { 2035 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2036 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2037 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2038 SCTP_INP_RLOCK(inp); 2039 av->assoc_value = inp->sctp_ep.max_burst; 2040 SCTP_INP_RUNLOCK(inp); 2041 } else { 2042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2043 error = EINVAL; 2044 } 2045 } 2046 if (error == 0) { 2047 *optsize = sizeof(struct sctp_assoc_value); 2048 } 2049 break; 2050 } 2051 case SCTP_MAXSEG: 2052 { 2053 struct sctp_assoc_value *av; 2054 int ovh; 2055 2056 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2057 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2058 2059 if (stcb) { 2060 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2061 SCTP_TCB_UNLOCK(stcb); 2062 } else { 2063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2064 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2065 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2066 SCTP_INP_RLOCK(inp); 2067 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2068 ovh = SCTP_MED_OVERHEAD; 2069 } else { 2070 ovh = SCTP_MED_V4_OVERHEAD; 2071 } 2072 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2073 av->assoc_value = 0; 2074 else 2075 av->assoc_value = inp->sctp_frag_point - ovh; 2076 SCTP_INP_RUNLOCK(inp); 2077 } else { 2078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2079 error = EINVAL; 2080 } 2081 } 2082 if (error == 0) { 2083 *optsize = sizeof(struct sctp_assoc_value); 2084 } 2085 break; 2086 } 2087 case SCTP_GET_STAT_LOG: 2088 error = sctp_fill_stat_log(optval, optsize); 2089 break; 2090 case SCTP_EVENTS: 2091 { 2092 struct sctp_event_subscribe *events; 2093 2094 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2095 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2096 SCTP_INP_RLOCK(inp); 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2098 events->sctp_data_io_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2101 events->sctp_association_event = 1; 2102 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2104 events->sctp_address_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2107 events->sctp_send_failure_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2110 events->sctp_peer_error_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2113 events->sctp_shutdown_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2116 events->sctp_partial_delivery_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2119 events->sctp_adaptation_layer_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2122 events->sctp_authentication_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2125 events->sctp_sender_dry_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2128 events->sctp_stream_reset_event = 1; 2129 SCTP_INP_RUNLOCK(inp); 2130 *optsize = sizeof(struct sctp_event_subscribe); 2131 break; 2132 } 2133 case SCTP_ADAPTATION_LAYER: 2134 { 2135 uint32_t *value; 2136 2137 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2138 2139 SCTP_INP_RLOCK(inp); 2140 *value = inp->sctp_ep.adaptation_layer_indicator; 2141 SCTP_INP_RUNLOCK(inp); 2142 *optsize = sizeof(uint32_t); 2143 break; 2144 } 2145 case SCTP_SET_INITIAL_DBG_SEQ: 2146 { 2147 uint32_t *value; 2148 2149 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2150 SCTP_INP_RLOCK(inp); 2151 *value = inp->sctp_ep.initial_sequence_debug; 2152 SCTP_INP_RUNLOCK(inp); 2153 *optsize = sizeof(uint32_t); 2154 break; 2155 } 2156 case SCTP_GET_LOCAL_ADDR_SIZE: 2157 { 2158 uint32_t *value; 2159 2160 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2161 SCTP_INP_RLOCK(inp); 2162 *value = sctp_count_max_addresses(inp); 2163 SCTP_INP_RUNLOCK(inp); 2164 *optsize = sizeof(uint32_t); 2165 break; 2166 } 2167 case SCTP_GET_REMOTE_ADDR_SIZE: 2168 { 2169 uint32_t *value; 2170 size_t size; 2171 struct sctp_nets *net; 2172 2173 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2174 /* FIXME MT: change to sctp_assoc_value? */ 2175 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2176 2177 if (stcb) { 2178 size = 0; 2179 /* Count the sizes */ 2180 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2181 switch (net->ro._l_addr.sa.sa_family) { 2182 #ifdef INET 2183 case AF_INET: 2184 #ifdef INET6 2185 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2186 size += sizeof(struct sockaddr_in6); 2187 } else { 2188 size += sizeof(struct sockaddr_in); 2189 } 2190 #else 2191 size += sizeof(struct sockaddr_in); 2192 #endif 2193 break; 2194 #endif 2195 #ifdef INET6 2196 case AF_INET6: 2197 size += sizeof(struct sockaddr_in6); 2198 break; 2199 #endif 2200 default: 2201 break; 2202 } 2203 } 2204 SCTP_TCB_UNLOCK(stcb); 2205 *value = (uint32_t)size; 2206 *optsize = sizeof(uint32_t); 2207 } else { 2208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2209 error = ENOTCONN; 2210 } 2211 break; 2212 } 2213 case SCTP_GET_PEER_ADDRESSES: 2214 /* 2215 * Get the address information, an array is passed in to 2216 * fill up we pack it. 2217 */ 2218 { 2219 size_t cpsz, left; 2220 struct sockaddr_storage *sas; 2221 struct sctp_nets *net; 2222 struct sctp_getaddresses *saddr; 2223 2224 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2225 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2226 2227 if (stcb) { 2228 left = (*optsize) - sizeof(sctp_assoc_t); 2229 *optsize = sizeof(sctp_assoc_t); 2230 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2231 2232 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2233 switch (net->ro._l_addr.sa.sa_family) { 2234 #ifdef INET 2235 case AF_INET: 2236 #ifdef INET6 2237 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2238 cpsz = sizeof(struct sockaddr_in6); 2239 } else { 2240 cpsz = sizeof(struct sockaddr_in); 2241 } 2242 #else 2243 cpsz = sizeof(struct sockaddr_in); 2244 #endif 2245 break; 2246 #endif 2247 #ifdef INET6 2248 case AF_INET6: 2249 cpsz = sizeof(struct sockaddr_in6); 2250 break; 2251 #endif 2252 default: 2253 cpsz = 0; 2254 break; 2255 } 2256 if (cpsz == 0) { 2257 break; 2258 } 2259 if (left < cpsz) { 2260 /* not enough room. */ 2261 break; 2262 } 2263 #if defined(INET) && defined(INET6) 2264 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2265 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2266 /* Must map the address */ 2267 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2268 (struct sockaddr_in6 *)sas); 2269 } else { 2270 memcpy(sas, &net->ro._l_addr, cpsz); 2271 } 2272 #else 2273 memcpy(sas, &net->ro._l_addr, cpsz); 2274 #endif 2275 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2276 2277 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2278 left -= cpsz; 2279 *optsize += cpsz; 2280 } 2281 SCTP_TCB_UNLOCK(stcb); 2282 } else { 2283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2284 error = ENOENT; 2285 } 2286 break; 2287 } 2288 case SCTP_GET_LOCAL_ADDRESSES: 2289 { 2290 size_t limit, actual; 2291 struct sockaddr_storage *sas; 2292 struct sctp_getaddresses *saddr; 2293 2294 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2295 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2296 2297 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2298 limit = *optsize - sizeof(sctp_assoc_t); 2299 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2300 if (stcb) { 2301 SCTP_TCB_UNLOCK(stcb); 2302 } 2303 *optsize = sizeof(sctp_assoc_t) + actual; 2304 break; 2305 } 2306 case SCTP_PEER_ADDR_PARAMS: 2307 { 2308 struct sctp_paddrparams *paddrp; 2309 struct sctp_nets *net; 2310 struct sockaddr *addr; 2311 #if defined(INET) && defined(INET6) 2312 struct sockaddr_in sin_store; 2313 #endif 2314 2315 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2316 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2317 2318 #if defined(INET) && defined(INET6) 2319 if (paddrp->spp_address.ss_family == AF_INET6) { 2320 struct sockaddr_in6 *sin6; 2321 2322 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2323 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2324 in6_sin6_2_sin(&sin_store, sin6); 2325 addr = (struct sockaddr *)&sin_store; 2326 } else { 2327 addr = (struct sockaddr *)&paddrp->spp_address; 2328 } 2329 } else { 2330 addr = (struct sockaddr *)&paddrp->spp_address; 2331 } 2332 #else 2333 addr = (struct sockaddr *)&paddrp->spp_address; 2334 #endif 2335 if (stcb != NULL) { 2336 net = sctp_findnet(stcb, addr); 2337 } else { 2338 /* 2339 * We increment here since 2340 * sctp_findassociation_ep_addr() wil do a 2341 * decrement if it finds the stcb as long as 2342 * the locked tcb (last argument) is NOT a 2343 * TCB.. aka NULL. 2344 */ 2345 net = NULL; 2346 SCTP_INP_INCR_REF(inp); 2347 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2348 if (stcb == NULL) { 2349 SCTP_INP_DECR_REF(inp); 2350 } 2351 } 2352 if ((stcb != NULL) && (net == NULL)) { 2353 #ifdef INET 2354 if (addr->sa_family == AF_INET) { 2355 struct sockaddr_in *sin; 2356 2357 sin = (struct sockaddr_in *)addr; 2358 if (sin->sin_addr.s_addr != INADDR_ANY) { 2359 error = EINVAL; 2360 SCTP_TCB_UNLOCK(stcb); 2361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2362 break; 2363 } 2364 } else 2365 #endif 2366 #ifdef INET6 2367 if (addr->sa_family == AF_INET6) { 2368 struct sockaddr_in6 *sin6; 2369 2370 sin6 = (struct sockaddr_in6 *)addr; 2371 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2372 error = EINVAL; 2373 SCTP_TCB_UNLOCK(stcb); 2374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2375 break; 2376 } 2377 } else 2378 #endif 2379 { 2380 error = EAFNOSUPPORT; 2381 SCTP_TCB_UNLOCK(stcb); 2382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2383 break; 2384 } 2385 } 2386 2387 if (stcb != NULL) { 2388 /* Applies to the specific association */ 2389 paddrp->spp_flags = 0; 2390 if (net != NULL) { 2391 paddrp->spp_hbinterval = net->heart_beat_delay; 2392 paddrp->spp_pathmaxrxt = net->failure_threshold; 2393 paddrp->spp_pathmtu = net->mtu; 2394 switch (net->ro._l_addr.sa.sa_family) { 2395 #ifdef INET 2396 case AF_INET: 2397 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2398 break; 2399 #endif 2400 #ifdef INET6 2401 case AF_INET6: 2402 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2403 break; 2404 #endif 2405 default: 2406 break; 2407 } 2408 /* get flags for HB */ 2409 if (net->dest_state & SCTP_ADDR_NOHB) { 2410 paddrp->spp_flags |= SPP_HB_DISABLE; 2411 } else { 2412 paddrp->spp_flags |= SPP_HB_ENABLE; 2413 } 2414 /* get flags for PMTU */ 2415 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2416 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2417 } else { 2418 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2419 } 2420 if (net->dscp & 0x01) { 2421 paddrp->spp_dscp = net->dscp & 0xfc; 2422 paddrp->spp_flags |= SPP_DSCP; 2423 } 2424 #ifdef INET6 2425 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2426 (net->flowlabel & 0x80000000)) { 2427 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2428 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2429 } 2430 #endif 2431 } else { 2432 /* 2433 * No destination so return default 2434 * value 2435 */ 2436 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2437 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2438 if (stcb->asoc.default_dscp & 0x01) { 2439 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2440 paddrp->spp_flags |= SPP_DSCP; 2441 } 2442 #ifdef INET6 2443 if (stcb->asoc.default_flowlabel & 0x80000000) { 2444 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2445 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2446 } 2447 #endif 2448 /* default settings should be these */ 2449 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2450 paddrp->spp_flags |= SPP_HB_DISABLE; 2451 } else { 2452 paddrp->spp_flags |= SPP_HB_ENABLE; 2453 } 2454 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2455 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2458 } 2459 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2460 } 2461 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2462 SCTP_TCB_UNLOCK(stcb); 2463 } else { 2464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2466 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2467 /* Use endpoint defaults */ 2468 SCTP_INP_RLOCK(inp); 2469 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2470 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2471 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2472 /* get inp's default */ 2473 if (inp->sctp_ep.default_dscp & 0x01) { 2474 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2475 paddrp->spp_flags |= SPP_DSCP; 2476 } 2477 #ifdef INET6 2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2479 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2480 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2481 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2482 } 2483 #endif 2484 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2485 2486 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2487 paddrp->spp_flags |= SPP_HB_ENABLE; 2488 } else { 2489 paddrp->spp_flags |= SPP_HB_DISABLE; 2490 } 2491 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2492 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2495 } 2496 SCTP_INP_RUNLOCK(inp); 2497 } else { 2498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2499 error = EINVAL; 2500 } 2501 } 2502 if (error == 0) { 2503 *optsize = sizeof(struct sctp_paddrparams); 2504 } 2505 break; 2506 } 2507 case SCTP_GET_PEER_ADDR_INFO: 2508 { 2509 struct sctp_paddrinfo *paddri; 2510 struct sctp_nets *net; 2511 struct sockaddr *addr; 2512 #if defined(INET) && defined(INET6) 2513 struct sockaddr_in sin_store; 2514 #endif 2515 2516 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2517 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2518 2519 #if defined(INET) && defined(INET6) 2520 if (paddri->spinfo_address.ss_family == AF_INET6) { 2521 struct sockaddr_in6 *sin6; 2522 2523 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2524 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2525 in6_sin6_2_sin(&sin_store, sin6); 2526 addr = (struct sockaddr *)&sin_store; 2527 } else { 2528 addr = (struct sockaddr *)&paddri->spinfo_address; 2529 } 2530 } else { 2531 addr = (struct sockaddr *)&paddri->spinfo_address; 2532 } 2533 #else 2534 addr = (struct sockaddr *)&paddri->spinfo_address; 2535 #endif 2536 if (stcb != NULL) { 2537 net = sctp_findnet(stcb, addr); 2538 } else { 2539 /* 2540 * We increment here since 2541 * sctp_findassociation_ep_addr() wil do a 2542 * decrement if it finds the stcb as long as 2543 * the locked tcb (last argument) is NOT a 2544 * TCB.. aka NULL. 2545 */ 2546 net = NULL; 2547 SCTP_INP_INCR_REF(inp); 2548 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2549 if (stcb == NULL) { 2550 SCTP_INP_DECR_REF(inp); 2551 } 2552 } 2553 2554 if ((stcb != NULL) && (net != NULL)) { 2555 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2556 /* It's unconfirmed */ 2557 paddri->spinfo_state = SCTP_UNCONFIRMED; 2558 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2559 /* It's active */ 2560 paddri->spinfo_state = SCTP_ACTIVE; 2561 } else { 2562 /* It's inactive */ 2563 paddri->spinfo_state = SCTP_INACTIVE; 2564 } 2565 paddri->spinfo_cwnd = net->cwnd; 2566 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2567 paddri->spinfo_rto = net->RTO; 2568 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2569 paddri->spinfo_mtu = net->mtu; 2570 switch (addr->sa_family) { 2571 #if defined(INET) 2572 case AF_INET: 2573 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2574 break; 2575 #endif 2576 #if defined(INET6) 2577 case AF_INET6: 2578 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2579 break; 2580 #endif 2581 default: 2582 break; 2583 } 2584 SCTP_TCB_UNLOCK(stcb); 2585 *optsize = sizeof(struct sctp_paddrinfo); 2586 } else { 2587 if (stcb != NULL) { 2588 SCTP_TCB_UNLOCK(stcb); 2589 } 2590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2591 error = ENOENT; 2592 } 2593 break; 2594 } 2595 case SCTP_PCB_STATUS: 2596 { 2597 struct sctp_pcbinfo *spcb; 2598 2599 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2600 sctp_fill_pcbinfo(spcb); 2601 *optsize = sizeof(struct sctp_pcbinfo); 2602 break; 2603 } 2604 case SCTP_STATUS: 2605 { 2606 struct sctp_nets *net; 2607 struct sctp_status *sstat; 2608 2609 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2610 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2611 2612 if (stcb == NULL) { 2613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2614 error = EINVAL; 2615 break; 2616 } 2617 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2618 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2619 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2620 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2621 /* 2622 * We can't include chunks that have been passed to 2623 * the socket layer. Only things in queue. 2624 */ 2625 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2626 stcb->asoc.cnt_on_all_streams); 2627 2628 2629 sstat->sstat_instrms = stcb->asoc.streamincnt; 2630 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2631 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2632 net = stcb->asoc.primary_destination; 2633 if (net != NULL) { 2634 memcpy(&sstat->sstat_primary.spinfo_address, 2635 &stcb->asoc.primary_destination->ro._l_addr, 2636 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2637 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2638 /* 2639 * Again the user can get info from 2640 * sctp_constants.h for what the state of 2641 * the network is. 2642 */ 2643 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2644 /* It's unconfirmed */ 2645 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2646 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2647 /* It's active */ 2648 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2649 } else { 2650 /* It's inactive */ 2651 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2652 } 2653 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2654 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2655 sstat->sstat_primary.spinfo_rto = net->RTO; 2656 sstat->sstat_primary.spinfo_mtu = net->mtu; 2657 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2658 #if defined(INET) 2659 case AF_INET: 2660 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2661 break; 2662 #endif 2663 #if defined(INET6) 2664 case AF_INET6: 2665 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2666 break; 2667 #endif 2668 default: 2669 break; 2670 } 2671 } else { 2672 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2673 } 2674 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2675 SCTP_TCB_UNLOCK(stcb); 2676 *optsize = sizeof(struct sctp_status); 2677 break; 2678 } 2679 case SCTP_RTOINFO: 2680 { 2681 struct sctp_rtoinfo *srto; 2682 2683 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2684 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2685 2686 if (stcb) { 2687 srto->srto_initial = stcb->asoc.initial_rto; 2688 srto->srto_max = stcb->asoc.maxrto; 2689 srto->srto_min = stcb->asoc.minrto; 2690 SCTP_TCB_UNLOCK(stcb); 2691 } else { 2692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2693 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2694 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2695 SCTP_INP_RLOCK(inp); 2696 srto->srto_initial = inp->sctp_ep.initial_rto; 2697 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2698 srto->srto_min = inp->sctp_ep.sctp_minrto; 2699 SCTP_INP_RUNLOCK(inp); 2700 } else { 2701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2702 error = EINVAL; 2703 } 2704 } 2705 if (error == 0) { 2706 *optsize = sizeof(struct sctp_rtoinfo); 2707 } 2708 break; 2709 } 2710 case SCTP_TIMEOUTS: 2711 { 2712 struct sctp_timeouts *stimo; 2713 2714 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2715 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2716 2717 if (stcb) { 2718 stimo->stimo_init = stcb->asoc.timoinit; 2719 stimo->stimo_data = stcb->asoc.timodata; 2720 stimo->stimo_sack = stcb->asoc.timosack; 2721 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2722 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2723 stimo->stimo_cookie = stcb->asoc.timocookie; 2724 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2725 SCTP_TCB_UNLOCK(stcb); 2726 *optsize = sizeof(struct sctp_timeouts); 2727 } else { 2728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2729 error = EINVAL; 2730 } 2731 break; 2732 } 2733 case SCTP_ASSOCINFO: 2734 { 2735 struct sctp_assocparams *sasoc; 2736 2737 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2738 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2739 2740 if (stcb) { 2741 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2742 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2743 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2744 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2745 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2746 SCTP_TCB_UNLOCK(stcb); 2747 } else { 2748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2750 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2751 SCTP_INP_RLOCK(inp); 2752 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2753 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2754 sasoc->sasoc_number_peer_destinations = 0; 2755 sasoc->sasoc_peer_rwnd = 0; 2756 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2757 SCTP_INP_RUNLOCK(inp); 2758 } else { 2759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2760 error = EINVAL; 2761 } 2762 } 2763 if (error == 0) { 2764 *optsize = sizeof(struct sctp_assocparams); 2765 } 2766 break; 2767 } 2768 case SCTP_DEFAULT_SEND_PARAM: 2769 { 2770 struct sctp_sndrcvinfo *s_info; 2771 2772 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2773 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2774 2775 if (stcb) { 2776 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2777 SCTP_TCB_UNLOCK(stcb); 2778 } else { 2779 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2780 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2781 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2782 SCTP_INP_RLOCK(inp); 2783 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2784 SCTP_INP_RUNLOCK(inp); 2785 } else { 2786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2787 error = EINVAL; 2788 } 2789 } 2790 if (error == 0) { 2791 *optsize = sizeof(struct sctp_sndrcvinfo); 2792 } 2793 break; 2794 } 2795 case SCTP_INITMSG: 2796 { 2797 struct sctp_initmsg *sinit; 2798 2799 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2800 SCTP_INP_RLOCK(inp); 2801 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2802 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2803 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2804 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2805 SCTP_INP_RUNLOCK(inp); 2806 *optsize = sizeof(struct sctp_initmsg); 2807 break; 2808 } 2809 case SCTP_PRIMARY_ADDR: 2810 /* we allow a "get" operation on this */ 2811 { 2812 struct sctp_setprim *ssp; 2813 2814 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2815 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2816 2817 if (stcb) { 2818 union sctp_sockstore *addr; 2819 2820 addr = &stcb->asoc.primary_destination->ro._l_addr; 2821 switch (addr->sa.sa_family) { 2822 #ifdef INET 2823 case AF_INET: 2824 #ifdef INET6 2825 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2826 in6_sin_2_v4mapsin6(&addr->sin, 2827 (struct sockaddr_in6 *)&ssp->ssp_addr); 2828 } else { 2829 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2830 } 2831 #else 2832 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2833 #endif 2834 break; 2835 #endif 2836 #ifdef INET6 2837 case AF_INET6: 2838 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2839 break; 2840 #endif 2841 default: 2842 break; 2843 } 2844 SCTP_TCB_UNLOCK(stcb); 2845 *optsize = sizeof(struct sctp_setprim); 2846 } else { 2847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2848 error = EINVAL; 2849 } 2850 break; 2851 } 2852 case SCTP_HMAC_IDENT: 2853 { 2854 struct sctp_hmacalgo *shmac; 2855 sctp_hmaclist_t *hmaclist; 2856 uint32_t size; 2857 int i; 2858 2859 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2860 2861 SCTP_INP_RLOCK(inp); 2862 hmaclist = inp->sctp_ep.local_hmacs; 2863 if (hmaclist == NULL) { 2864 /* no HMACs to return */ 2865 *optsize = sizeof(*shmac); 2866 SCTP_INP_RUNLOCK(inp); 2867 break; 2868 } 2869 /* is there room for all of the hmac ids? */ 2870 size = sizeof(*shmac) + (hmaclist->num_algo * 2871 sizeof(shmac->shmac_idents[0])); 2872 if ((size_t)(*optsize) < size) { 2873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2874 error = EINVAL; 2875 SCTP_INP_RUNLOCK(inp); 2876 break; 2877 } 2878 /* copy in the list */ 2879 shmac->shmac_number_of_idents = hmaclist->num_algo; 2880 for (i = 0; i < hmaclist->num_algo; i++) { 2881 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2882 } 2883 SCTP_INP_RUNLOCK(inp); 2884 *optsize = size; 2885 break; 2886 } 2887 case SCTP_AUTH_ACTIVE_KEY: 2888 { 2889 struct sctp_authkeyid *scact; 2890 2891 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2892 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2893 2894 if (stcb) { 2895 /* get the active key on the assoc */ 2896 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2897 SCTP_TCB_UNLOCK(stcb); 2898 } else { 2899 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2900 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2901 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2902 /* get the endpoint active key */ 2903 SCTP_INP_RLOCK(inp); 2904 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2905 SCTP_INP_RUNLOCK(inp); 2906 } else { 2907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2908 error = EINVAL; 2909 } 2910 } 2911 if (error == 0) { 2912 *optsize = sizeof(struct sctp_authkeyid); 2913 } 2914 break; 2915 } 2916 case SCTP_LOCAL_AUTH_CHUNKS: 2917 { 2918 struct sctp_authchunks *sac; 2919 sctp_auth_chklist_t *chklist = NULL; 2920 size_t size = 0; 2921 2922 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2923 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2924 2925 if (stcb) { 2926 /* get off the assoc */ 2927 chklist = stcb->asoc.local_auth_chunks; 2928 /* is there enough space? */ 2929 size = sctp_auth_get_chklist_size(chklist); 2930 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2931 error = EINVAL; 2932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2933 } else { 2934 /* copy in the chunks */ 2935 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2936 sac->gauth_number_of_chunks = (uint32_t)size; 2937 *optsize = sizeof(struct sctp_authchunks) + size; 2938 } 2939 SCTP_TCB_UNLOCK(stcb); 2940 } else { 2941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2943 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2944 /* get off the endpoint */ 2945 SCTP_INP_RLOCK(inp); 2946 chklist = inp->sctp_ep.local_auth_chunks; 2947 /* is there enough space? */ 2948 size = sctp_auth_get_chklist_size(chklist); 2949 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2950 error = EINVAL; 2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2952 } else { 2953 /* copy in the chunks */ 2954 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2955 sac->gauth_number_of_chunks = (uint32_t)size; 2956 *optsize = sizeof(struct sctp_authchunks) + size; 2957 } 2958 SCTP_INP_RUNLOCK(inp); 2959 } else { 2960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2961 error = EINVAL; 2962 } 2963 } 2964 break; 2965 } 2966 case SCTP_PEER_AUTH_CHUNKS: 2967 { 2968 struct sctp_authchunks *sac; 2969 sctp_auth_chklist_t *chklist = NULL; 2970 size_t size = 0; 2971 2972 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2973 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2974 2975 if (stcb) { 2976 /* get off the assoc */ 2977 chklist = stcb->asoc.peer_auth_chunks; 2978 /* is there enough space? */ 2979 size = sctp_auth_get_chklist_size(chklist); 2980 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2981 error = EINVAL; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2983 } else { 2984 /* copy in the chunks */ 2985 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2986 sac->gauth_number_of_chunks = (uint32_t)size; 2987 *optsize = sizeof(struct sctp_authchunks) + size; 2988 } 2989 SCTP_TCB_UNLOCK(stcb); 2990 } else { 2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2992 error = ENOENT; 2993 } 2994 break; 2995 } 2996 case SCTP_EVENT: 2997 { 2998 struct sctp_event *event; 2999 uint32_t event_type; 3000 3001 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3002 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3003 3004 switch (event->se_type) { 3005 case SCTP_ASSOC_CHANGE: 3006 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3007 break; 3008 case SCTP_PEER_ADDR_CHANGE: 3009 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3010 break; 3011 case SCTP_REMOTE_ERROR: 3012 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3013 break; 3014 case SCTP_SEND_FAILED: 3015 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3016 break; 3017 case SCTP_SHUTDOWN_EVENT: 3018 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3019 break; 3020 case SCTP_ADAPTATION_INDICATION: 3021 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3022 break; 3023 case SCTP_PARTIAL_DELIVERY_EVENT: 3024 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3025 break; 3026 case SCTP_AUTHENTICATION_EVENT: 3027 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3028 break; 3029 case SCTP_STREAM_RESET_EVENT: 3030 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3031 break; 3032 case SCTP_SENDER_DRY_EVENT: 3033 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3034 break; 3035 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3036 event_type = 0; 3037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3038 error = ENOTSUP; 3039 break; 3040 case SCTP_ASSOC_RESET_EVENT: 3041 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3042 break; 3043 case SCTP_STREAM_CHANGE_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3045 break; 3046 case SCTP_SEND_FAILED_EVENT: 3047 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3048 break; 3049 default: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3052 error = EINVAL; 3053 break; 3054 } 3055 if (event_type > 0) { 3056 if (stcb) { 3057 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3058 } else { 3059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3060 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3061 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3062 SCTP_INP_RLOCK(inp); 3063 event->se_on = sctp_is_feature_on(inp, event_type); 3064 SCTP_INP_RUNLOCK(inp); 3065 } else { 3066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3067 error = EINVAL; 3068 } 3069 } 3070 } 3071 if (stcb != NULL) { 3072 SCTP_TCB_UNLOCK(stcb); 3073 } 3074 if (error == 0) { 3075 *optsize = sizeof(struct sctp_event); 3076 } 3077 break; 3078 } 3079 case SCTP_RECVRCVINFO: 3080 { 3081 int onoff; 3082 3083 if (*optsize < sizeof(int)) { 3084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3085 error = EINVAL; 3086 } else { 3087 SCTP_INP_RLOCK(inp); 3088 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3089 SCTP_INP_RUNLOCK(inp); 3090 } 3091 if (error == 0) { 3092 /* return the option value */ 3093 *(int *)optval = onoff; 3094 *optsize = sizeof(int); 3095 } 3096 break; 3097 } 3098 case SCTP_RECVNXTINFO: 3099 { 3100 int onoff; 3101 3102 if (*optsize < sizeof(int)) { 3103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3104 error = EINVAL; 3105 } else { 3106 SCTP_INP_RLOCK(inp); 3107 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3108 SCTP_INP_RUNLOCK(inp); 3109 } 3110 if (error == 0) { 3111 /* return the option value */ 3112 *(int *)optval = onoff; 3113 *optsize = sizeof(int); 3114 } 3115 break; 3116 } 3117 case SCTP_DEFAULT_SNDINFO: 3118 { 3119 struct sctp_sndinfo *info; 3120 3121 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3122 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3123 3124 if (stcb) { 3125 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3126 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3127 info->snd_flags &= 0xfff0; 3128 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3129 info->snd_context = stcb->asoc.def_send.sinfo_context; 3130 SCTP_TCB_UNLOCK(stcb); 3131 } else { 3132 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3133 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3134 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3135 SCTP_INP_RLOCK(inp); 3136 info->snd_sid = inp->def_send.sinfo_stream; 3137 info->snd_flags = inp->def_send.sinfo_flags; 3138 info->snd_flags &= 0xfff0; 3139 info->snd_ppid = inp->def_send.sinfo_ppid; 3140 info->snd_context = inp->def_send.sinfo_context; 3141 SCTP_INP_RUNLOCK(inp); 3142 } else { 3143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3144 error = EINVAL; 3145 } 3146 } 3147 if (error == 0) { 3148 *optsize = sizeof(struct sctp_sndinfo); 3149 } 3150 break; 3151 } 3152 case SCTP_DEFAULT_PRINFO: 3153 { 3154 struct sctp_default_prinfo *info; 3155 3156 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3157 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3158 3159 if (stcb) { 3160 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3161 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3162 SCTP_TCB_UNLOCK(stcb); 3163 } else { 3164 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3165 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3166 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3167 SCTP_INP_RLOCK(inp); 3168 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3169 info->pr_value = inp->def_send.sinfo_timetolive; 3170 SCTP_INP_RUNLOCK(inp); 3171 } else { 3172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3173 error = EINVAL; 3174 } 3175 } 3176 if (error == 0) { 3177 *optsize = sizeof(struct sctp_default_prinfo); 3178 } 3179 break; 3180 } 3181 case SCTP_PEER_ADDR_THLDS: 3182 { 3183 struct sctp_paddrthlds *thlds; 3184 struct sctp_nets *net; 3185 struct sockaddr *addr; 3186 #if defined(INET) && defined(INET6) 3187 struct sockaddr_in sin_store; 3188 #endif 3189 3190 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3191 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3192 3193 #if defined(INET) && defined(INET6) 3194 if (thlds->spt_address.ss_family == AF_INET6) { 3195 struct sockaddr_in6 *sin6; 3196 3197 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3198 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3199 in6_sin6_2_sin(&sin_store, sin6); 3200 addr = (struct sockaddr *)&sin_store; 3201 } else { 3202 addr = (struct sockaddr *)&thlds->spt_address; 3203 } 3204 } else { 3205 addr = (struct sockaddr *)&thlds->spt_address; 3206 } 3207 #else 3208 addr = (struct sockaddr *)&thlds->spt_address; 3209 #endif 3210 if (stcb != NULL) { 3211 net = sctp_findnet(stcb, addr); 3212 } else { 3213 /* 3214 * We increment here since 3215 * sctp_findassociation_ep_addr() wil do a 3216 * decrement if it finds the stcb as long as 3217 * the locked tcb (last argument) is NOT a 3218 * TCB.. aka NULL. 3219 */ 3220 net = NULL; 3221 SCTP_INP_INCR_REF(inp); 3222 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3223 if (stcb == NULL) { 3224 SCTP_INP_DECR_REF(inp); 3225 } 3226 } 3227 if ((stcb != NULL) && (net == NULL)) { 3228 #ifdef INET 3229 if (addr->sa_family == AF_INET) { 3230 struct sockaddr_in *sin; 3231 3232 sin = (struct sockaddr_in *)addr; 3233 if (sin->sin_addr.s_addr != INADDR_ANY) { 3234 error = EINVAL; 3235 SCTP_TCB_UNLOCK(stcb); 3236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3237 break; 3238 } 3239 } else 3240 #endif 3241 #ifdef INET6 3242 if (addr->sa_family == AF_INET6) { 3243 struct sockaddr_in6 *sin6; 3244 3245 sin6 = (struct sockaddr_in6 *)addr; 3246 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3247 error = EINVAL; 3248 SCTP_TCB_UNLOCK(stcb); 3249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3250 break; 3251 } 3252 } else 3253 #endif 3254 { 3255 error = EAFNOSUPPORT; 3256 SCTP_TCB_UNLOCK(stcb); 3257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3258 break; 3259 } 3260 } 3261 3262 if (stcb != NULL) { 3263 if (net != NULL) { 3264 thlds->spt_pathmaxrxt = net->failure_threshold; 3265 thlds->spt_pathpfthld = net->pf_threshold; 3266 thlds->spt_pathcpthld = 0xffff; 3267 } else { 3268 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3269 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3270 thlds->spt_pathcpthld = 0xffff; 3271 } 3272 thlds->spt_assoc_id = sctp_get_associd(stcb); 3273 SCTP_TCB_UNLOCK(stcb); 3274 } else { 3275 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3276 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3277 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3278 /* Use endpoint defaults */ 3279 SCTP_INP_RLOCK(inp); 3280 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3281 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3282 thlds->spt_pathcpthld = 0xffff; 3283 SCTP_INP_RUNLOCK(inp); 3284 } else { 3285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3286 error = EINVAL; 3287 } 3288 } 3289 if (error == 0) { 3290 *optsize = sizeof(struct sctp_paddrthlds); 3291 } 3292 break; 3293 } 3294 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3295 { 3296 struct sctp_udpencaps *encaps; 3297 struct sctp_nets *net; 3298 struct sockaddr *addr; 3299 #if defined(INET) && defined(INET6) 3300 struct sockaddr_in sin_store; 3301 #endif 3302 3303 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3304 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3305 3306 #if defined(INET) && defined(INET6) 3307 if (encaps->sue_address.ss_family == AF_INET6) { 3308 struct sockaddr_in6 *sin6; 3309 3310 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3311 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3312 in6_sin6_2_sin(&sin_store, sin6); 3313 addr = (struct sockaddr *)&sin_store; 3314 } else { 3315 addr = (struct sockaddr *)&encaps->sue_address; 3316 } 3317 } else { 3318 addr = (struct sockaddr *)&encaps->sue_address; 3319 } 3320 #else 3321 addr = (struct sockaddr *)&encaps->sue_address; 3322 #endif 3323 if (stcb) { 3324 net = sctp_findnet(stcb, addr); 3325 } else { 3326 /* 3327 * We increment here since 3328 * sctp_findassociation_ep_addr() wil do a 3329 * decrement if it finds the stcb as long as 3330 * the locked tcb (last argument) is NOT a 3331 * TCB.. aka NULL. 3332 */ 3333 net = NULL; 3334 SCTP_INP_INCR_REF(inp); 3335 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3336 if (stcb == NULL) { 3337 SCTP_INP_DECR_REF(inp); 3338 } 3339 } 3340 if ((stcb != NULL) && (net == NULL)) { 3341 #ifdef INET 3342 if (addr->sa_family == AF_INET) { 3343 struct sockaddr_in *sin; 3344 3345 sin = (struct sockaddr_in *)addr; 3346 if (sin->sin_addr.s_addr != INADDR_ANY) { 3347 error = EINVAL; 3348 SCTP_TCB_UNLOCK(stcb); 3349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3350 break; 3351 } 3352 } else 3353 #endif 3354 #ifdef INET6 3355 if (addr->sa_family == AF_INET6) { 3356 struct sockaddr_in6 *sin6; 3357 3358 sin6 = (struct sockaddr_in6 *)addr; 3359 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3360 error = EINVAL; 3361 SCTP_TCB_UNLOCK(stcb); 3362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3363 break; 3364 } 3365 } else 3366 #endif 3367 { 3368 error = EAFNOSUPPORT; 3369 SCTP_TCB_UNLOCK(stcb); 3370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3371 break; 3372 } 3373 } 3374 3375 if (stcb != NULL) { 3376 if (net) { 3377 encaps->sue_port = net->port; 3378 } else { 3379 encaps->sue_port = stcb->asoc.port; 3380 } 3381 SCTP_TCB_UNLOCK(stcb); 3382 } else { 3383 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3384 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3385 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3386 SCTP_INP_RLOCK(inp); 3387 encaps->sue_port = inp->sctp_ep.port; 3388 SCTP_INP_RUNLOCK(inp); 3389 } else { 3390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3391 error = EINVAL; 3392 } 3393 } 3394 if (error == 0) { 3395 *optsize = sizeof(struct sctp_udpencaps); 3396 } 3397 break; 3398 } 3399 case SCTP_ECN_SUPPORTED: 3400 { 3401 struct sctp_assoc_value *av; 3402 3403 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3404 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3405 3406 if (stcb) { 3407 av->assoc_value = stcb->asoc.ecn_supported; 3408 SCTP_TCB_UNLOCK(stcb); 3409 } else { 3410 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3411 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3412 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3413 SCTP_INP_RLOCK(inp); 3414 av->assoc_value = inp->ecn_supported; 3415 SCTP_INP_RUNLOCK(inp); 3416 } else { 3417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3418 error = EINVAL; 3419 } 3420 } 3421 if (error == 0) { 3422 *optsize = sizeof(struct sctp_assoc_value); 3423 } 3424 break; 3425 } 3426 case SCTP_PR_SUPPORTED: 3427 { 3428 struct sctp_assoc_value *av; 3429 3430 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3431 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3432 3433 if (stcb) { 3434 av->assoc_value = stcb->asoc.prsctp_supported; 3435 SCTP_TCB_UNLOCK(stcb); 3436 } else { 3437 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3438 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3439 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3440 SCTP_INP_RLOCK(inp); 3441 av->assoc_value = inp->prsctp_supported; 3442 SCTP_INP_RUNLOCK(inp); 3443 } else { 3444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3445 error = EINVAL; 3446 } 3447 } 3448 if (error == 0) { 3449 *optsize = sizeof(struct sctp_assoc_value); 3450 } 3451 break; 3452 } 3453 case SCTP_AUTH_SUPPORTED: 3454 { 3455 struct sctp_assoc_value *av; 3456 3457 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3458 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3459 3460 if (stcb) { 3461 av->assoc_value = stcb->asoc.auth_supported; 3462 SCTP_TCB_UNLOCK(stcb); 3463 } else { 3464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3466 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3467 SCTP_INP_RLOCK(inp); 3468 av->assoc_value = inp->auth_supported; 3469 SCTP_INP_RUNLOCK(inp); 3470 } else { 3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3472 error = EINVAL; 3473 } 3474 } 3475 if (error == 0) { 3476 *optsize = sizeof(struct sctp_assoc_value); 3477 } 3478 break; 3479 } 3480 case SCTP_ASCONF_SUPPORTED: 3481 { 3482 struct sctp_assoc_value *av; 3483 3484 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3485 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3486 3487 if (stcb) { 3488 av->assoc_value = stcb->asoc.asconf_supported; 3489 SCTP_TCB_UNLOCK(stcb); 3490 } else { 3491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3493 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3494 SCTP_INP_RLOCK(inp); 3495 av->assoc_value = inp->asconf_supported; 3496 SCTP_INP_RUNLOCK(inp); 3497 } else { 3498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3499 error = EINVAL; 3500 } 3501 } 3502 if (error == 0) { 3503 *optsize = sizeof(struct sctp_assoc_value); 3504 } 3505 break; 3506 } 3507 case SCTP_RECONFIG_SUPPORTED: 3508 { 3509 struct sctp_assoc_value *av; 3510 3511 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3512 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3513 3514 if (stcb) { 3515 av->assoc_value = stcb->asoc.reconfig_supported; 3516 SCTP_TCB_UNLOCK(stcb); 3517 } else { 3518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3519 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3520 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3521 SCTP_INP_RLOCK(inp); 3522 av->assoc_value = inp->reconfig_supported; 3523 SCTP_INP_RUNLOCK(inp); 3524 } else { 3525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3526 error = EINVAL; 3527 } 3528 } 3529 if (error == 0) { 3530 *optsize = sizeof(struct sctp_assoc_value); 3531 } 3532 break; 3533 } 3534 case SCTP_NRSACK_SUPPORTED: 3535 { 3536 struct sctp_assoc_value *av; 3537 3538 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3539 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3540 3541 if (stcb) { 3542 av->assoc_value = stcb->asoc.nrsack_supported; 3543 SCTP_TCB_UNLOCK(stcb); 3544 } else { 3545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3547 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3548 SCTP_INP_RLOCK(inp); 3549 av->assoc_value = inp->nrsack_supported; 3550 SCTP_INP_RUNLOCK(inp); 3551 } else { 3552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3553 error = EINVAL; 3554 } 3555 } 3556 if (error == 0) { 3557 *optsize = sizeof(struct sctp_assoc_value); 3558 } 3559 break; 3560 } 3561 case SCTP_PKTDROP_SUPPORTED: 3562 { 3563 struct sctp_assoc_value *av; 3564 3565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3567 3568 if (stcb) { 3569 av->assoc_value = stcb->asoc.pktdrop_supported; 3570 SCTP_TCB_UNLOCK(stcb); 3571 } else { 3572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3574 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3575 SCTP_INP_RLOCK(inp); 3576 av->assoc_value = inp->pktdrop_supported; 3577 SCTP_INP_RUNLOCK(inp); 3578 } else { 3579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3580 error = EINVAL; 3581 } 3582 } 3583 if (error == 0) { 3584 *optsize = sizeof(struct sctp_assoc_value); 3585 } 3586 break; 3587 } 3588 case SCTP_ENABLE_STREAM_RESET: 3589 { 3590 struct sctp_assoc_value *av; 3591 3592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3593 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3594 3595 if (stcb) { 3596 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3597 SCTP_TCB_UNLOCK(stcb); 3598 } else { 3599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3601 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3602 SCTP_INP_RLOCK(inp); 3603 av->assoc_value = (uint32_t)inp->local_strreset_support; 3604 SCTP_INP_RUNLOCK(inp); 3605 } else { 3606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3607 error = EINVAL; 3608 } 3609 } 3610 if (error == 0) { 3611 *optsize = sizeof(struct sctp_assoc_value); 3612 } 3613 break; 3614 } 3615 case SCTP_PR_STREAM_STATUS: 3616 { 3617 struct sctp_prstatus *sprstat; 3618 uint16_t sid; 3619 uint16_t policy; 3620 3621 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3622 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3623 3624 sid = sprstat->sprstat_sid; 3625 policy = sprstat->sprstat_policy; 3626 #if defined(SCTP_DETAILED_STR_STATS) 3627 if ((stcb != NULL) && 3628 (sid < stcb->asoc.streamoutcnt) && 3629 (policy != SCTP_PR_SCTP_NONE) && 3630 ((policy <= SCTP_PR_SCTP_MAX) || 3631 (policy == SCTP_PR_SCTP_ALL))) { 3632 if (policy == SCTP_PR_SCTP_ALL) { 3633 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3634 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3635 } else { 3636 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3637 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3638 } 3639 #else 3640 if ((stcb != NULL) && 3641 (sid < stcb->asoc.streamoutcnt) && 3642 (policy == SCTP_PR_SCTP_ALL)) { 3643 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3644 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3645 #endif 3646 } else { 3647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3648 error = EINVAL; 3649 } 3650 if (stcb != NULL) { 3651 SCTP_TCB_UNLOCK(stcb); 3652 } 3653 if (error == 0) { 3654 *optsize = sizeof(struct sctp_prstatus); 3655 } 3656 break; 3657 } 3658 case SCTP_PR_ASSOC_STATUS: 3659 { 3660 struct sctp_prstatus *sprstat; 3661 uint16_t policy; 3662 3663 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3664 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3665 3666 policy = sprstat->sprstat_policy; 3667 if ((stcb != NULL) && 3668 (policy != SCTP_PR_SCTP_NONE) && 3669 ((policy <= SCTP_PR_SCTP_MAX) || 3670 (policy == SCTP_PR_SCTP_ALL))) { 3671 if (policy == SCTP_PR_SCTP_ALL) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3674 } else { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3677 } 3678 } else { 3679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3680 error = EINVAL; 3681 } 3682 if (stcb != NULL) { 3683 SCTP_TCB_UNLOCK(stcb); 3684 } 3685 if (error == 0) { 3686 *optsize = sizeof(struct sctp_prstatus); 3687 } 3688 break; 3689 } 3690 case SCTP_MAX_CWND: 3691 { 3692 struct sctp_assoc_value *av; 3693 3694 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3695 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3696 3697 if (stcb) { 3698 av->assoc_value = stcb->asoc.max_cwnd; 3699 SCTP_TCB_UNLOCK(stcb); 3700 } else { 3701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3703 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3704 SCTP_INP_RLOCK(inp); 3705 av->assoc_value = inp->max_cwnd; 3706 SCTP_INP_RUNLOCK(inp); 3707 } else { 3708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3709 error = EINVAL; 3710 } 3711 } 3712 if (error == 0) { 3713 *optsize = sizeof(struct sctp_assoc_value); 3714 } 3715 break; 3716 } 3717 default: 3718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3719 error = ENOPROTOOPT; 3720 break; 3721 } /* end switch (sopt->sopt_name) */ 3722 if (error) { 3723 *optsize = 0; 3724 } 3725 return (error); 3726 } 3727 3728 static int 3729 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3730 void *p) 3731 { 3732 int error, set_opt; 3733 uint32_t *mopt; 3734 struct sctp_tcb *stcb = NULL; 3735 struct sctp_inpcb *inp = NULL; 3736 uint32_t vrf_id; 3737 3738 if (optval == NULL) { 3739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3740 return (EINVAL); 3741 } 3742 inp = (struct sctp_inpcb *)so->so_pcb; 3743 if (inp == NULL) { 3744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3745 return (EINVAL); 3746 } 3747 vrf_id = inp->def_vrf_id; 3748 3749 error = 0; 3750 switch (optname) { 3751 case SCTP_NODELAY: 3752 case SCTP_AUTOCLOSE: 3753 case SCTP_AUTO_ASCONF: 3754 case SCTP_EXPLICIT_EOR: 3755 case SCTP_DISABLE_FRAGMENTS: 3756 case SCTP_USE_EXT_RCVINFO: 3757 case SCTP_I_WANT_MAPPED_V4_ADDR: 3758 /* copy in the option value */ 3759 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3760 set_opt = 0; 3761 if (error) 3762 break; 3763 switch (optname) { 3764 case SCTP_DISABLE_FRAGMENTS: 3765 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3766 break; 3767 case SCTP_AUTO_ASCONF: 3768 /* 3769 * NOTE: we don't really support this flag 3770 */ 3771 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3772 /* only valid for bound all sockets */ 3773 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3774 (*mopt != 0)) { 3775 /* forbidden by admin */ 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3777 return (EPERM); 3778 } 3779 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3780 } else { 3781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3782 return (EINVAL); 3783 } 3784 break; 3785 case SCTP_EXPLICIT_EOR: 3786 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3787 break; 3788 case SCTP_USE_EXT_RCVINFO: 3789 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3790 break; 3791 case SCTP_I_WANT_MAPPED_V4_ADDR: 3792 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3793 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3794 } else { 3795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3796 return (EINVAL); 3797 } 3798 break; 3799 case SCTP_NODELAY: 3800 set_opt = SCTP_PCB_FLAGS_NODELAY; 3801 break; 3802 case SCTP_AUTOCLOSE: 3803 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3804 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3806 return (EINVAL); 3807 } 3808 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3809 /* 3810 * The value is in ticks. Note this does not effect 3811 * old associations, only new ones. 3812 */ 3813 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3814 break; 3815 } 3816 SCTP_INP_WLOCK(inp); 3817 if (*mopt != 0) { 3818 sctp_feature_on(inp, set_opt); 3819 } else { 3820 sctp_feature_off(inp, set_opt); 3821 } 3822 SCTP_INP_WUNLOCK(inp); 3823 break; 3824 case SCTP_REUSE_PORT: 3825 { 3826 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3827 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3828 /* Can't set it after we are bound */ 3829 error = EINVAL; 3830 break; 3831 } 3832 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3833 /* Can't do this for a 1-m socket */ 3834 error = EINVAL; 3835 break; 3836 } 3837 if (optval) 3838 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3839 else 3840 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3841 break; 3842 } 3843 case SCTP_PARTIAL_DELIVERY_POINT: 3844 { 3845 uint32_t *value; 3846 3847 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3848 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3850 error = EINVAL; 3851 break; 3852 } 3853 inp->partial_delivery_point = *value; 3854 break; 3855 } 3856 case SCTP_FRAGMENT_INTERLEAVE: 3857 /* not yet until we re-write sctp_recvmsg() */ 3858 { 3859 uint32_t *level; 3860 3861 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3862 if (*level == SCTP_FRAG_LEVEL_2) { 3863 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3864 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3865 } else if (*level == SCTP_FRAG_LEVEL_1) { 3866 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3867 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3868 } else if (*level == SCTP_FRAG_LEVEL_0) { 3869 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3870 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3871 3872 } else { 3873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3874 error = EINVAL; 3875 } 3876 break; 3877 } 3878 case SCTP_INTERLEAVING_SUPPORTED: 3879 { 3880 struct sctp_assoc_value *av; 3881 3882 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3883 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3884 3885 if (stcb) { 3886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3887 error = EINVAL; 3888 SCTP_TCB_UNLOCK(stcb); 3889 } else { 3890 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3892 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3893 SCTP_INP_WLOCK(inp); 3894 if (av->assoc_value == 0) { 3895 inp->idata_supported = 0; 3896 } else { 3897 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3898 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3899 inp->idata_supported = 1; 3900 } else { 3901 /* 3902 * Must have Frag 3903 * interleave and 3904 * stream interleave 3905 * on 3906 */ 3907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3908 error = EINVAL; 3909 } 3910 } 3911 SCTP_INP_WUNLOCK(inp); 3912 } else { 3913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3914 error = EINVAL; 3915 } 3916 } 3917 break; 3918 } 3919 case SCTP_CMT_ON_OFF: 3920 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3921 struct sctp_assoc_value *av; 3922 3923 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3924 if (av->assoc_value > SCTP_CMT_MAX) { 3925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3926 error = EINVAL; 3927 break; 3928 } 3929 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3930 if (stcb) { 3931 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3932 SCTP_TCB_UNLOCK(stcb); 3933 } else { 3934 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3935 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3936 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3937 (av->assoc_id == SCTP_ALL_ASSOC)) { 3938 SCTP_INP_WLOCK(inp); 3939 inp->sctp_cmt_on_off = av->assoc_value; 3940 SCTP_INP_WUNLOCK(inp); 3941 } 3942 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3943 (av->assoc_id == SCTP_ALL_ASSOC)) { 3944 SCTP_INP_RLOCK(inp); 3945 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3946 SCTP_TCB_LOCK(stcb); 3947 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3948 SCTP_TCB_UNLOCK(stcb); 3949 } 3950 SCTP_INP_RUNLOCK(inp); 3951 } 3952 } 3953 } else { 3954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3955 error = ENOPROTOOPT; 3956 } 3957 break; 3958 case SCTP_PLUGGABLE_CC: 3959 { 3960 struct sctp_assoc_value *av; 3961 struct sctp_nets *net; 3962 3963 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3964 if ((av->assoc_value != SCTP_CC_RFC2581) && 3965 (av->assoc_value != SCTP_CC_HSTCP) && 3966 (av->assoc_value != SCTP_CC_HTCP) && 3967 (av->assoc_value != SCTP_CC_RTCC)) { 3968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3969 error = EINVAL; 3970 break; 3971 } 3972 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3973 if (stcb) { 3974 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3975 stcb->asoc.congestion_control_module = av->assoc_value; 3976 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3977 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3978 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3979 } 3980 } 3981 SCTP_TCB_UNLOCK(stcb); 3982 } else { 3983 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3984 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3985 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3986 (av->assoc_id == SCTP_ALL_ASSOC)) { 3987 SCTP_INP_WLOCK(inp); 3988 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3989 SCTP_INP_WUNLOCK(inp); 3990 } 3991 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3992 (av->assoc_id == SCTP_ALL_ASSOC)) { 3993 SCTP_INP_RLOCK(inp); 3994 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3995 SCTP_TCB_LOCK(stcb); 3996 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3997 stcb->asoc.congestion_control_module = av->assoc_value; 3998 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3999 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4000 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4001 } 4002 } 4003 SCTP_TCB_UNLOCK(stcb); 4004 } 4005 SCTP_INP_RUNLOCK(inp); 4006 } 4007 } 4008 break; 4009 } 4010 case SCTP_CC_OPTION: 4011 { 4012 struct sctp_cc_option *cc_opt; 4013 4014 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4015 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4016 if (stcb == NULL) { 4017 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4018 SCTP_INP_RLOCK(inp); 4019 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4020 SCTP_TCB_LOCK(stcb); 4021 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4022 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4023 } 4024 SCTP_TCB_UNLOCK(stcb); 4025 } 4026 SCTP_INP_RUNLOCK(inp); 4027 } else { 4028 error = EINVAL; 4029 } 4030 } else { 4031 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4032 error = ENOTSUP; 4033 } else { 4034 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4035 cc_opt); 4036 } 4037 SCTP_TCB_UNLOCK(stcb); 4038 } 4039 break; 4040 } 4041 case SCTP_PLUGGABLE_SS: 4042 { 4043 struct sctp_assoc_value *av; 4044 4045 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4046 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4047 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4048 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4049 (av->assoc_value != SCTP_SS_PRIORITY) && 4050 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4051 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4053 error = EINVAL; 4054 break; 4055 } 4056 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4057 if (stcb) { 4058 SCTP_TCB_SEND_LOCK(stcb); 4059 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4060 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4061 stcb->asoc.stream_scheduling_module = av->assoc_value; 4062 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4063 SCTP_TCB_SEND_UNLOCK(stcb); 4064 SCTP_TCB_UNLOCK(stcb); 4065 } else { 4066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4067 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4068 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4069 (av->assoc_id == SCTP_ALL_ASSOC)) { 4070 SCTP_INP_WLOCK(inp); 4071 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4072 SCTP_INP_WUNLOCK(inp); 4073 } 4074 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4075 (av->assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_RLOCK(inp); 4077 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4078 SCTP_TCB_LOCK(stcb); 4079 SCTP_TCB_SEND_LOCK(stcb); 4080 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4081 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4082 stcb->asoc.stream_scheduling_module = av->assoc_value; 4083 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4084 SCTP_TCB_SEND_UNLOCK(stcb); 4085 SCTP_TCB_UNLOCK(stcb); 4086 } 4087 SCTP_INP_RUNLOCK(inp); 4088 } 4089 } 4090 break; 4091 } 4092 case SCTP_SS_VALUE: 4093 { 4094 struct sctp_stream_value *av; 4095 4096 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4097 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4098 if (stcb) { 4099 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4100 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4101 av->stream_value) < 0)) { 4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4103 error = EINVAL; 4104 } 4105 SCTP_TCB_UNLOCK(stcb); 4106 } else { 4107 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4108 SCTP_INP_RLOCK(inp); 4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4110 SCTP_TCB_LOCK(stcb); 4111 if (av->stream_id < stcb->asoc.streamoutcnt) { 4112 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4113 &stcb->asoc, 4114 &stcb->asoc.strmout[av->stream_id], 4115 av->stream_value); 4116 } 4117 SCTP_TCB_UNLOCK(stcb); 4118 } 4119 SCTP_INP_RUNLOCK(inp); 4120 } else { 4121 /* 4122 * Can't set stream value without 4123 * association 4124 */ 4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4126 error = EINVAL; 4127 } 4128 } 4129 break; 4130 } 4131 case SCTP_CLR_STAT_LOG: 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4133 error = EOPNOTSUPP; 4134 break; 4135 case SCTP_CONTEXT: 4136 { 4137 struct sctp_assoc_value *av; 4138 4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4140 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4141 4142 if (stcb) { 4143 stcb->asoc.context = av->assoc_value; 4144 SCTP_TCB_UNLOCK(stcb); 4145 } else { 4146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4148 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4149 (av->assoc_id == SCTP_ALL_ASSOC)) { 4150 SCTP_INP_WLOCK(inp); 4151 inp->sctp_context = av->assoc_value; 4152 SCTP_INP_WUNLOCK(inp); 4153 } 4154 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4155 (av->assoc_id == SCTP_ALL_ASSOC)) { 4156 SCTP_INP_RLOCK(inp); 4157 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4158 SCTP_TCB_LOCK(stcb); 4159 stcb->asoc.context = av->assoc_value; 4160 SCTP_TCB_UNLOCK(stcb); 4161 } 4162 SCTP_INP_RUNLOCK(inp); 4163 } 4164 } 4165 break; 4166 } 4167 case SCTP_VRF_ID: 4168 { 4169 uint32_t *default_vrfid; 4170 4171 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4172 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4174 error = EINVAL; 4175 break; 4176 } 4177 inp->def_vrf_id = *default_vrfid; 4178 break; 4179 } 4180 case SCTP_DEL_VRF_ID: 4181 { 4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4183 error = EOPNOTSUPP; 4184 break; 4185 } 4186 case SCTP_ADD_VRF_ID: 4187 { 4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4189 error = EOPNOTSUPP; 4190 break; 4191 } 4192 case SCTP_DELAYED_SACK: 4193 { 4194 struct sctp_sack_info *sack; 4195 4196 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4197 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4198 if (sack->sack_delay) { 4199 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4200 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4201 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4202 sack->sack_delay = TICKS_TO_MSEC(1); 4203 } 4204 } 4205 if (stcb) { 4206 if (sack->sack_delay) { 4207 stcb->asoc.delayed_ack = sack->sack_delay; 4208 } 4209 if (sack->sack_freq) { 4210 stcb->asoc.sack_freq = sack->sack_freq; 4211 } 4212 SCTP_TCB_UNLOCK(stcb); 4213 } else { 4214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4215 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4216 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4217 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4218 SCTP_INP_WLOCK(inp); 4219 if (sack->sack_delay) { 4220 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4221 } 4222 if (sack->sack_freq) { 4223 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4224 } 4225 SCTP_INP_WUNLOCK(inp); 4226 } 4227 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4229 SCTP_INP_RLOCK(inp); 4230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4231 SCTP_TCB_LOCK(stcb); 4232 if (sack->sack_delay) { 4233 stcb->asoc.delayed_ack = sack->sack_delay; 4234 } 4235 if (sack->sack_freq) { 4236 stcb->asoc.sack_freq = sack->sack_freq; 4237 } 4238 SCTP_TCB_UNLOCK(stcb); 4239 } 4240 SCTP_INP_RUNLOCK(inp); 4241 } 4242 } 4243 break; 4244 } 4245 case SCTP_AUTH_CHUNK: 4246 { 4247 struct sctp_authchunk *sauth; 4248 4249 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4250 4251 SCTP_INP_WLOCK(inp); 4252 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4254 error = EINVAL; 4255 } else { 4256 inp->auth_supported = 1; 4257 } 4258 SCTP_INP_WUNLOCK(inp); 4259 break; 4260 } 4261 case SCTP_AUTH_KEY: 4262 { 4263 struct sctp_authkey *sca; 4264 struct sctp_keyhead *shared_keys; 4265 sctp_sharedkey_t *shared_key; 4266 sctp_key_t *key = NULL; 4267 size_t size; 4268 4269 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4270 if (sca->sca_keylength == 0) { 4271 size = optsize - sizeof(struct sctp_authkey); 4272 } else { 4273 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4274 size = sca->sca_keylength; 4275 } else { 4276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4277 error = EINVAL; 4278 break; 4279 } 4280 } 4281 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4282 4283 if (stcb) { 4284 shared_keys = &stcb->asoc.shared_keys; 4285 /* clear the cached keys for this key id */ 4286 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4287 /* 4288 * create the new shared key and 4289 * insert/replace it 4290 */ 4291 if (size > 0) { 4292 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4293 if (key == NULL) { 4294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4295 error = ENOMEM; 4296 SCTP_TCB_UNLOCK(stcb); 4297 break; 4298 } 4299 } 4300 shared_key = sctp_alloc_sharedkey(); 4301 if (shared_key == NULL) { 4302 sctp_free_key(key); 4303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4304 error = ENOMEM; 4305 SCTP_TCB_UNLOCK(stcb); 4306 break; 4307 } 4308 shared_key->key = key; 4309 shared_key->keyid = sca->sca_keynumber; 4310 error = sctp_insert_sharedkey(shared_keys, shared_key); 4311 SCTP_TCB_UNLOCK(stcb); 4312 } else { 4313 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4314 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4315 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4316 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4317 SCTP_INP_WLOCK(inp); 4318 shared_keys = &inp->sctp_ep.shared_keys; 4319 /* 4320 * clear the cached keys on all 4321 * assocs for this key id 4322 */ 4323 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4324 /* 4325 * create the new shared key and 4326 * insert/replace it 4327 */ 4328 if (size > 0) { 4329 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4330 if (key == NULL) { 4331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4332 error = ENOMEM; 4333 SCTP_INP_WUNLOCK(inp); 4334 break; 4335 } 4336 } 4337 shared_key = sctp_alloc_sharedkey(); 4338 if (shared_key == NULL) { 4339 sctp_free_key(key); 4340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4341 error = ENOMEM; 4342 SCTP_INP_WUNLOCK(inp); 4343 break; 4344 } 4345 shared_key->key = key; 4346 shared_key->keyid = sca->sca_keynumber; 4347 error = sctp_insert_sharedkey(shared_keys, shared_key); 4348 SCTP_INP_WUNLOCK(inp); 4349 } 4350 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4351 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4352 SCTP_INP_RLOCK(inp); 4353 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4354 SCTP_TCB_LOCK(stcb); 4355 shared_keys = &stcb->asoc.shared_keys; 4356 /* 4357 * clear the cached keys for 4358 * this key id 4359 */ 4360 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4361 /* 4362 * create the new shared key 4363 * and insert/replace it 4364 */ 4365 if (size > 0) { 4366 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4367 if (key == NULL) { 4368 SCTP_TCB_UNLOCK(stcb); 4369 continue; 4370 } 4371 } 4372 shared_key = sctp_alloc_sharedkey(); 4373 if (shared_key == NULL) { 4374 sctp_free_key(key); 4375 SCTP_TCB_UNLOCK(stcb); 4376 continue; 4377 } 4378 shared_key->key = key; 4379 shared_key->keyid = sca->sca_keynumber; 4380 error = sctp_insert_sharedkey(shared_keys, shared_key); 4381 SCTP_TCB_UNLOCK(stcb); 4382 } 4383 SCTP_INP_RUNLOCK(inp); 4384 } 4385 } 4386 break; 4387 } 4388 case SCTP_HMAC_IDENT: 4389 { 4390 struct sctp_hmacalgo *shmac; 4391 sctp_hmaclist_t *hmaclist; 4392 uint16_t hmacid; 4393 uint32_t i; 4394 4395 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4396 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4397 (shmac->shmac_number_of_idents > 0xffff)) { 4398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4399 error = EINVAL; 4400 break; 4401 } 4402 4403 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4404 if (hmaclist == NULL) { 4405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4406 error = ENOMEM; 4407 break; 4408 } 4409 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4410 hmacid = shmac->shmac_idents[i]; 4411 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4412 /* invalid HMACs were found */ ; 4413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4414 error = EINVAL; 4415 sctp_free_hmaclist(hmaclist); 4416 goto sctp_set_hmac_done; 4417 } 4418 } 4419 for (i = 0; i < hmaclist->num_algo; i++) { 4420 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4421 /* already in list */ 4422 break; 4423 } 4424 } 4425 if (i == hmaclist->num_algo) { 4426 /* not found in list */ 4427 sctp_free_hmaclist(hmaclist); 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4429 error = EINVAL; 4430 break; 4431 } 4432 /* set it on the endpoint */ 4433 SCTP_INP_WLOCK(inp); 4434 if (inp->sctp_ep.local_hmacs) 4435 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4436 inp->sctp_ep.local_hmacs = hmaclist; 4437 SCTP_INP_WUNLOCK(inp); 4438 sctp_set_hmac_done: 4439 break; 4440 } 4441 case SCTP_AUTH_ACTIVE_KEY: 4442 { 4443 struct sctp_authkeyid *scact; 4444 4445 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4446 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4447 4448 /* set the active key on the right place */ 4449 if (stcb) { 4450 /* set the active key on the assoc */ 4451 if (sctp_auth_setactivekey(stcb, 4452 scact->scact_keynumber)) { 4453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4454 SCTP_FROM_SCTP_USRREQ, 4455 EINVAL); 4456 error = EINVAL; 4457 } 4458 SCTP_TCB_UNLOCK(stcb); 4459 } else { 4460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4462 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4463 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4464 SCTP_INP_WLOCK(inp); 4465 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4467 error = EINVAL; 4468 } 4469 SCTP_INP_WUNLOCK(inp); 4470 } 4471 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4472 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4473 SCTP_INP_RLOCK(inp); 4474 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4475 SCTP_TCB_LOCK(stcb); 4476 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4477 SCTP_TCB_UNLOCK(stcb); 4478 } 4479 SCTP_INP_RUNLOCK(inp); 4480 } 4481 } 4482 break; 4483 } 4484 case SCTP_AUTH_DELETE_KEY: 4485 { 4486 struct sctp_authkeyid *scdel; 4487 4488 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4489 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4490 4491 /* delete the key from the right place */ 4492 if (stcb) { 4493 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4495 error = EINVAL; 4496 } 4497 SCTP_TCB_UNLOCK(stcb); 4498 } else { 4499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4500 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4501 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4502 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4503 SCTP_INP_WLOCK(inp); 4504 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4506 error = EINVAL; 4507 } 4508 SCTP_INP_WUNLOCK(inp); 4509 } 4510 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4511 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4512 SCTP_INP_RLOCK(inp); 4513 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4514 SCTP_TCB_LOCK(stcb); 4515 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4516 SCTP_TCB_UNLOCK(stcb); 4517 } 4518 SCTP_INP_RUNLOCK(inp); 4519 } 4520 } 4521 break; 4522 } 4523 case SCTP_AUTH_DEACTIVATE_KEY: 4524 { 4525 struct sctp_authkeyid *keyid; 4526 4527 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4528 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4529 4530 /* deactivate the key from the right place */ 4531 if (stcb) { 4532 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4533 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4534 error = EINVAL; 4535 } 4536 SCTP_TCB_UNLOCK(stcb); 4537 } else { 4538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4539 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4540 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4541 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4542 SCTP_INP_WLOCK(inp); 4543 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4545 error = EINVAL; 4546 } 4547 SCTP_INP_WUNLOCK(inp); 4548 } 4549 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4550 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4551 SCTP_INP_RLOCK(inp); 4552 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4553 SCTP_TCB_LOCK(stcb); 4554 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4555 SCTP_TCB_UNLOCK(stcb); 4556 } 4557 SCTP_INP_RUNLOCK(inp); 4558 } 4559 } 4560 break; 4561 } 4562 case SCTP_ENABLE_STREAM_RESET: 4563 { 4564 struct sctp_assoc_value *av; 4565 4566 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4567 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4569 error = EINVAL; 4570 break; 4571 } 4572 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4573 if (stcb) { 4574 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4575 SCTP_TCB_UNLOCK(stcb); 4576 } else { 4577 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4578 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4579 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4580 (av->assoc_id == SCTP_ALL_ASSOC)) { 4581 SCTP_INP_WLOCK(inp); 4582 inp->local_strreset_support = (uint8_t)av->assoc_value; 4583 SCTP_INP_WUNLOCK(inp); 4584 } 4585 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4586 (av->assoc_id == SCTP_ALL_ASSOC)) { 4587 SCTP_INP_RLOCK(inp); 4588 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4589 SCTP_TCB_LOCK(stcb); 4590 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4591 SCTP_TCB_UNLOCK(stcb); 4592 } 4593 SCTP_INP_RUNLOCK(inp); 4594 } 4595 4596 } 4597 break; 4598 } 4599 case SCTP_RESET_STREAMS: 4600 { 4601 struct sctp_reset_streams *strrst; 4602 int i, send_out = 0; 4603 int send_in = 0; 4604 4605 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4606 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4607 if (stcb == NULL) { 4608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4609 error = ENOENT; 4610 break; 4611 } 4612 if (stcb->asoc.reconfig_supported == 0) { 4613 /* 4614 * Peer does not support the chunk type. 4615 */ 4616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4617 error = EOPNOTSUPP; 4618 SCTP_TCB_UNLOCK(stcb); 4619 break; 4620 } 4621 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4623 error = EINVAL; 4624 SCTP_TCB_UNLOCK(stcb); 4625 break; 4626 } 4627 if (sizeof(struct sctp_reset_streams) + 4628 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4629 error = EINVAL; 4630 SCTP_TCB_UNLOCK(stcb); 4631 break; 4632 } 4633 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4634 send_in = 1; 4635 if (stcb->asoc.stream_reset_outstanding) { 4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4637 error = EALREADY; 4638 SCTP_TCB_UNLOCK(stcb); 4639 break; 4640 } 4641 } 4642 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4643 send_out = 1; 4644 } 4645 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4647 error = ENOMEM; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 if ((send_in == 0) && (send_out == 0)) { 4652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4653 error = EINVAL; 4654 SCTP_TCB_UNLOCK(stcb); 4655 break; 4656 } 4657 for (i = 0; i < strrst->srs_number_streams; i++) { 4658 if ((send_in) && 4659 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4661 error = EINVAL; 4662 break; 4663 } 4664 if ((send_out) && 4665 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4667 error = EINVAL; 4668 break; 4669 } 4670 } 4671 if (error) { 4672 SCTP_TCB_UNLOCK(stcb); 4673 break; 4674 } 4675 if (send_out) { 4676 int cnt; 4677 uint16_t strm; 4678 4679 if (strrst->srs_number_streams) { 4680 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4681 strm = strrst->srs_stream_list[i]; 4682 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4683 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4684 cnt++; 4685 } 4686 } 4687 } else { 4688 /* Its all */ 4689 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4690 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4691 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4692 cnt++; 4693 } 4694 } 4695 } 4696 } 4697 if (send_in) { 4698 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4699 strrst->srs_stream_list, 4700 send_in, 0, 0, 0, 0, 0); 4701 } else { 4702 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4703 } 4704 if (error == 0) { 4705 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4706 } else { 4707 /* 4708 * For outgoing streams don't report any 4709 * problems in sending the request to the 4710 * application. XXX: Double check resetting 4711 * incoming streams. 4712 */ 4713 error = 0; 4714 } 4715 SCTP_TCB_UNLOCK(stcb); 4716 break; 4717 } 4718 case SCTP_ADD_STREAMS: 4719 { 4720 struct sctp_add_streams *stradd; 4721 uint8_t addstream = 0; 4722 uint16_t add_o_strmcnt = 0; 4723 uint16_t add_i_strmcnt = 0; 4724 4725 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4726 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4727 if (stcb == NULL) { 4728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4729 error = ENOENT; 4730 break; 4731 } 4732 if (stcb->asoc.reconfig_supported == 0) { 4733 /* 4734 * Peer does not support the chunk type. 4735 */ 4736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4737 error = EOPNOTSUPP; 4738 SCTP_TCB_UNLOCK(stcb); 4739 break; 4740 } 4741 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4743 error = EINVAL; 4744 SCTP_TCB_UNLOCK(stcb); 4745 break; 4746 } 4747 if (stcb->asoc.stream_reset_outstanding) { 4748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4749 error = EALREADY; 4750 SCTP_TCB_UNLOCK(stcb); 4751 break; 4752 } 4753 if ((stradd->sas_outstrms == 0) && 4754 (stradd->sas_instrms == 0)) { 4755 error = EINVAL; 4756 goto skip_stuff; 4757 } 4758 if (stradd->sas_outstrms) { 4759 addstream = 1; 4760 /* We allocate here */ 4761 add_o_strmcnt = stradd->sas_outstrms; 4762 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4763 /* You can't have more than 64k */ 4764 error = EINVAL; 4765 goto skip_stuff; 4766 } 4767 } 4768 if (stradd->sas_instrms) { 4769 int cnt; 4770 4771 addstream |= 2; 4772 /* 4773 * We allocate inside 4774 * sctp_send_str_reset_req() 4775 */ 4776 add_i_strmcnt = stradd->sas_instrms; 4777 cnt = add_i_strmcnt; 4778 cnt += stcb->asoc.streamincnt; 4779 if (cnt > 0x0000ffff) { 4780 /* You can't have more than 64k */ 4781 error = EINVAL; 4782 goto skip_stuff; 4783 } 4784 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4785 /* More than you are allowed */ 4786 error = EINVAL; 4787 goto skip_stuff; 4788 } 4789 } 4790 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4791 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4792 skip_stuff: 4793 SCTP_TCB_UNLOCK(stcb); 4794 break; 4795 } 4796 case SCTP_RESET_ASSOC: 4797 { 4798 int i; 4799 uint32_t *value; 4800 4801 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4802 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4803 if (stcb == NULL) { 4804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4805 error = ENOENT; 4806 break; 4807 } 4808 if (stcb->asoc.reconfig_supported == 0) { 4809 /* 4810 * Peer does not support the chunk type. 4811 */ 4812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4813 error = EOPNOTSUPP; 4814 SCTP_TCB_UNLOCK(stcb); 4815 break; 4816 } 4817 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4819 error = EINVAL; 4820 SCTP_TCB_UNLOCK(stcb); 4821 break; 4822 } 4823 if (stcb->asoc.stream_reset_outstanding) { 4824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4825 error = EALREADY; 4826 SCTP_TCB_UNLOCK(stcb); 4827 break; 4828 } 4829 /* 4830 * Is there any data pending in the send or sent 4831 * queues? 4832 */ 4833 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4834 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4835 busy_out: 4836 error = EBUSY; 4837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4838 SCTP_TCB_UNLOCK(stcb); 4839 break; 4840 } 4841 /* Do any streams have data queued? */ 4842 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4843 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4844 goto busy_out; 4845 } 4846 } 4847 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4848 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4849 SCTP_TCB_UNLOCK(stcb); 4850 break; 4851 } 4852 case SCTP_CONNECT_X: 4853 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4855 error = EINVAL; 4856 break; 4857 } 4858 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4859 break; 4860 case SCTP_CONNECT_X_DELAYED: 4861 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4863 error = EINVAL; 4864 break; 4865 } 4866 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4867 break; 4868 case SCTP_CONNECT_X_COMPLETE: 4869 { 4870 struct sockaddr *sa; 4871 4872 /* FIXME MT: check correct? */ 4873 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4874 4875 /* find tcb */ 4876 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4877 SCTP_INP_RLOCK(inp); 4878 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4879 if (stcb) { 4880 SCTP_TCB_LOCK(stcb); 4881 } 4882 SCTP_INP_RUNLOCK(inp); 4883 } else { 4884 /* 4885 * We increment here since 4886 * sctp_findassociation_ep_addr() wil do a 4887 * decrement if it finds the stcb as long as 4888 * the locked tcb (last argument) is NOT a 4889 * TCB.. aka NULL. 4890 */ 4891 SCTP_INP_INCR_REF(inp); 4892 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4893 if (stcb == NULL) { 4894 SCTP_INP_DECR_REF(inp); 4895 } 4896 } 4897 4898 if (stcb == NULL) { 4899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4900 error = ENOENT; 4901 break; 4902 } 4903 if (stcb->asoc.delayed_connection == 1) { 4904 stcb->asoc.delayed_connection = 0; 4905 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4906 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4907 stcb->asoc.primary_destination, 4908 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4909 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4910 } else { 4911 /* 4912 * already expired or did not use delayed 4913 * connectx 4914 */ 4915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4916 error = EALREADY; 4917 } 4918 SCTP_TCB_UNLOCK(stcb); 4919 break; 4920 } 4921 case SCTP_MAX_BURST: 4922 { 4923 struct sctp_assoc_value *av; 4924 4925 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4926 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4927 4928 if (stcb) { 4929 stcb->asoc.max_burst = av->assoc_value; 4930 SCTP_TCB_UNLOCK(stcb); 4931 } else { 4932 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4933 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4934 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4935 (av->assoc_id == SCTP_ALL_ASSOC)) { 4936 SCTP_INP_WLOCK(inp); 4937 inp->sctp_ep.max_burst = av->assoc_value; 4938 SCTP_INP_WUNLOCK(inp); 4939 } 4940 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4941 (av->assoc_id == SCTP_ALL_ASSOC)) { 4942 SCTP_INP_RLOCK(inp); 4943 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4944 SCTP_TCB_LOCK(stcb); 4945 stcb->asoc.max_burst = av->assoc_value; 4946 SCTP_TCB_UNLOCK(stcb); 4947 } 4948 SCTP_INP_RUNLOCK(inp); 4949 } 4950 } 4951 break; 4952 } 4953 case SCTP_MAXSEG: 4954 { 4955 struct sctp_assoc_value *av; 4956 int ovh; 4957 4958 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4959 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4960 4961 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4962 ovh = SCTP_MED_OVERHEAD; 4963 } else { 4964 ovh = SCTP_MED_V4_OVERHEAD; 4965 } 4966 if (stcb) { 4967 if (av->assoc_value) { 4968 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4969 } else { 4970 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4971 } 4972 SCTP_TCB_UNLOCK(stcb); 4973 } else { 4974 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4975 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4976 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4977 SCTP_INP_WLOCK(inp); 4978 /* 4979 * FIXME MT: I think this is not in 4980 * tune with the API ID 4981 */ 4982 if (av->assoc_value) { 4983 inp->sctp_frag_point = (av->assoc_value + ovh); 4984 } else { 4985 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4986 } 4987 SCTP_INP_WUNLOCK(inp); 4988 } else { 4989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4990 error = EINVAL; 4991 } 4992 } 4993 break; 4994 } 4995 case SCTP_EVENTS: 4996 { 4997 struct sctp_event_subscribe *events; 4998 4999 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5000 5001 SCTP_INP_WLOCK(inp); 5002 if (events->sctp_data_io_event) { 5003 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5004 } else { 5005 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5006 } 5007 5008 if (events->sctp_association_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5012 } 5013 5014 if (events->sctp_address_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5018 } 5019 5020 if (events->sctp_send_failure_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5024 } 5025 5026 if (events->sctp_peer_error_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5030 } 5031 5032 if (events->sctp_shutdown_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5036 } 5037 5038 if (events->sctp_partial_delivery_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5042 } 5043 5044 if (events->sctp_adaptation_layer_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5048 } 5049 5050 if (events->sctp_authentication_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5054 } 5055 5056 if (events->sctp_sender_dry_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5060 } 5061 5062 if (events->sctp_stream_reset_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5066 } 5067 SCTP_INP_WUNLOCK(inp); 5068 5069 SCTP_INP_RLOCK(inp); 5070 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5071 SCTP_TCB_LOCK(stcb); 5072 if (events->sctp_association_event) { 5073 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5074 } else { 5075 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5076 } 5077 if (events->sctp_address_event) { 5078 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5079 } else { 5080 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5081 } 5082 if (events->sctp_send_failure_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5086 } 5087 if (events->sctp_peer_error_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5091 } 5092 if (events->sctp_shutdown_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5096 } 5097 if (events->sctp_partial_delivery_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5101 } 5102 if (events->sctp_adaptation_layer_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5106 } 5107 if (events->sctp_authentication_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5111 } 5112 if (events->sctp_sender_dry_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5116 } 5117 if (events->sctp_stream_reset_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5121 } 5122 SCTP_TCB_UNLOCK(stcb); 5123 } 5124 /* 5125 * Send up the sender dry event only for 1-to-1 5126 * style sockets. 5127 */ 5128 if (events->sctp_sender_dry_event) { 5129 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5130 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5131 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5132 if (stcb) { 5133 SCTP_TCB_LOCK(stcb); 5134 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5135 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5136 (stcb->asoc.stream_queue_cnt == 0)) { 5137 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5138 } 5139 SCTP_TCB_UNLOCK(stcb); 5140 } 5141 } 5142 } 5143 SCTP_INP_RUNLOCK(inp); 5144 break; 5145 } 5146 case SCTP_ADAPTATION_LAYER: 5147 { 5148 struct sctp_setadaptation *adap_bits; 5149 5150 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5151 SCTP_INP_WLOCK(inp); 5152 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5153 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5154 SCTP_INP_WUNLOCK(inp); 5155 break; 5156 } 5157 #ifdef SCTP_DEBUG 5158 case SCTP_SET_INITIAL_DBG_SEQ: 5159 { 5160 uint32_t *vvv; 5161 5162 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5163 SCTP_INP_WLOCK(inp); 5164 inp->sctp_ep.initial_sequence_debug = *vvv; 5165 SCTP_INP_WUNLOCK(inp); 5166 break; 5167 } 5168 #endif 5169 case SCTP_DEFAULT_SEND_PARAM: 5170 { 5171 struct sctp_sndrcvinfo *s_info; 5172 5173 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5174 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5175 5176 if (stcb) { 5177 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5178 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5179 } else { 5180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5181 error = EINVAL; 5182 } 5183 SCTP_TCB_UNLOCK(stcb); 5184 } else { 5185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5187 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5188 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5189 SCTP_INP_WLOCK(inp); 5190 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5191 SCTP_INP_WUNLOCK(inp); 5192 } 5193 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5194 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5195 SCTP_INP_RLOCK(inp); 5196 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5197 SCTP_TCB_LOCK(stcb); 5198 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5199 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5200 } 5201 SCTP_TCB_UNLOCK(stcb); 5202 } 5203 SCTP_INP_RUNLOCK(inp); 5204 } 5205 } 5206 break; 5207 } 5208 case SCTP_PEER_ADDR_PARAMS: 5209 { 5210 struct sctp_paddrparams *paddrp; 5211 struct sctp_nets *net; 5212 struct sockaddr *addr; 5213 #if defined(INET) && defined(INET6) 5214 struct sockaddr_in sin_store; 5215 #endif 5216 5217 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5218 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5219 5220 #if defined(INET) && defined(INET6) 5221 if (paddrp->spp_address.ss_family == AF_INET6) { 5222 struct sockaddr_in6 *sin6; 5223 5224 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5225 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5226 in6_sin6_2_sin(&sin_store, sin6); 5227 addr = (struct sockaddr *)&sin_store; 5228 } else { 5229 addr = (struct sockaddr *)&paddrp->spp_address; 5230 } 5231 } else { 5232 addr = (struct sockaddr *)&paddrp->spp_address; 5233 } 5234 #else 5235 addr = (struct sockaddr *)&paddrp->spp_address; 5236 #endif 5237 if (stcb != NULL) { 5238 net = sctp_findnet(stcb, addr); 5239 } else { 5240 /* 5241 * We increment here since 5242 * sctp_findassociation_ep_addr() wil do a 5243 * decrement if it finds the stcb as long as 5244 * the locked tcb (last argument) is NOT a 5245 * TCB.. aka NULL. 5246 */ 5247 net = NULL; 5248 SCTP_INP_INCR_REF(inp); 5249 stcb = sctp_findassociation_ep_addr(&inp, addr, 5250 &net, NULL, NULL); 5251 if (stcb == NULL) { 5252 SCTP_INP_DECR_REF(inp); 5253 } 5254 } 5255 if ((stcb != NULL) && (net == NULL)) { 5256 #ifdef INET 5257 if (addr->sa_family == AF_INET) { 5258 5259 struct sockaddr_in *sin; 5260 5261 sin = (struct sockaddr_in *)addr; 5262 if (sin->sin_addr.s_addr != INADDR_ANY) { 5263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5264 SCTP_TCB_UNLOCK(stcb); 5265 error = EINVAL; 5266 break; 5267 } 5268 } else 5269 #endif 5270 #ifdef INET6 5271 if (addr->sa_family == AF_INET6) { 5272 struct sockaddr_in6 *sin6; 5273 5274 sin6 = (struct sockaddr_in6 *)addr; 5275 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5277 SCTP_TCB_UNLOCK(stcb); 5278 error = EINVAL; 5279 break; 5280 } 5281 } else 5282 #endif 5283 { 5284 error = EAFNOSUPPORT; 5285 SCTP_TCB_UNLOCK(stcb); 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5287 break; 5288 } 5289 } 5290 /* sanity checks */ 5291 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5292 if (stcb) 5293 SCTP_TCB_UNLOCK(stcb); 5294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5295 return (EINVAL); 5296 } 5297 5298 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5299 if (stcb) 5300 SCTP_TCB_UNLOCK(stcb); 5301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5302 return (EINVAL); 5303 } 5304 5305 if (stcb != NULL) { 5306 /************************TCB SPECIFIC SET ******************/ 5307 if (net != NULL) { 5308 /************************NET SPECIFIC SET ******************/ 5309 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5310 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5311 !(net->dest_state & SCTP_ADDR_NOHB)) { 5312 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5313 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5314 } 5315 net->dest_state |= SCTP_ADDR_NOHB; 5316 } 5317 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5318 if (paddrp->spp_hbinterval) { 5319 net->heart_beat_delay = paddrp->spp_hbinterval; 5320 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5321 net->heart_beat_delay = 0; 5322 } 5323 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5324 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5325 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5326 net->dest_state &= ~SCTP_ADDR_NOHB; 5327 } 5328 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5329 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5330 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5331 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5332 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5333 } 5334 } 5335 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5336 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5337 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5338 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5339 } 5340 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5341 net->mtu = paddrp->spp_pathmtu; 5342 switch (net->ro._l_addr.sa.sa_family) { 5343 #ifdef INET 5344 case AF_INET: 5345 net->mtu += SCTP_MIN_V4_OVERHEAD; 5346 break; 5347 #endif 5348 #ifdef INET6 5349 case AF_INET6: 5350 net->mtu += SCTP_MIN_OVERHEAD; 5351 break; 5352 #endif 5353 default: 5354 break; 5355 } 5356 if (net->mtu < stcb->asoc.smallest_mtu) { 5357 sctp_pathmtu_adjustment(stcb, net->mtu); 5358 } 5359 } 5360 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5361 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5362 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5363 } 5364 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5365 } 5366 if (paddrp->spp_pathmaxrxt) { 5367 if (net->dest_state & SCTP_ADDR_PF) { 5368 if (net->error_count > paddrp->spp_pathmaxrxt) { 5369 net->dest_state &= ~SCTP_ADDR_PF; 5370 } 5371 } else { 5372 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5373 (net->error_count > net->pf_threshold)) { 5374 net->dest_state |= SCTP_ADDR_PF; 5375 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5376 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5377 stcb->sctp_ep, stcb, net, 5378 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5379 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5380 } 5381 } 5382 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5383 if (net->error_count > paddrp->spp_pathmaxrxt) { 5384 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5385 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5386 } 5387 } else { 5388 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5389 net->dest_state |= SCTP_ADDR_REACHABLE; 5390 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5391 } 5392 } 5393 net->failure_threshold = paddrp->spp_pathmaxrxt; 5394 } 5395 if (paddrp->spp_flags & SPP_DSCP) { 5396 net->dscp = paddrp->spp_dscp & 0xfc; 5397 net->dscp |= 0x01; 5398 } 5399 #ifdef INET6 5400 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5401 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5402 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5403 net->flowlabel |= 0x80000000; 5404 } 5405 } 5406 #endif 5407 } else { 5408 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5409 if (paddrp->spp_pathmaxrxt != 0) { 5410 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5411 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5412 if (net->dest_state & SCTP_ADDR_PF) { 5413 if (net->error_count > paddrp->spp_pathmaxrxt) { 5414 net->dest_state &= ~SCTP_ADDR_PF; 5415 } 5416 } else { 5417 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5418 (net->error_count > net->pf_threshold)) { 5419 net->dest_state |= SCTP_ADDR_PF; 5420 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5421 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5422 stcb->sctp_ep, stcb, net, 5423 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5424 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5425 } 5426 } 5427 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5428 if (net->error_count > paddrp->spp_pathmaxrxt) { 5429 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5430 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5431 } 5432 } else { 5433 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5434 net->dest_state |= SCTP_ADDR_REACHABLE; 5435 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5436 } 5437 } 5438 net->failure_threshold = paddrp->spp_pathmaxrxt; 5439 } 5440 } 5441 5442 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5443 if (paddrp->spp_hbinterval != 0) { 5444 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5445 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5446 stcb->asoc.heart_beat_delay = 0; 5447 } 5448 /* Turn back on the timer */ 5449 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5450 if (paddrp->spp_hbinterval != 0) { 5451 net->heart_beat_delay = paddrp->spp_hbinterval; 5452 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5453 net->heart_beat_delay = 0; 5454 } 5455 if (net->dest_state & SCTP_ADDR_NOHB) { 5456 net->dest_state &= ~SCTP_ADDR_NOHB; 5457 } 5458 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5459 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5460 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5461 } 5462 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5463 } 5464 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5465 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5466 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5467 net->dest_state |= SCTP_ADDR_NOHB; 5468 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5469 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5470 inp, stcb, net, 5471 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5472 } 5473 } 5474 } 5475 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5476 } 5477 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5478 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5479 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5480 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5481 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5482 } 5483 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5484 net->mtu = paddrp->spp_pathmtu; 5485 switch (net->ro._l_addr.sa.sa_family) { 5486 #ifdef INET 5487 case AF_INET: 5488 net->mtu += SCTP_MIN_V4_OVERHEAD; 5489 break; 5490 #endif 5491 #ifdef INET6 5492 case AF_INET6: 5493 net->mtu += SCTP_MIN_OVERHEAD; 5494 break; 5495 #endif 5496 default: 5497 break; 5498 } 5499 if (net->mtu < stcb->asoc.smallest_mtu) { 5500 sctp_pathmtu_adjustment(stcb, net->mtu); 5501 } 5502 } 5503 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5504 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5505 } 5506 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5507 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5508 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5509 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5510 } 5511 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5512 } 5513 stcb->asoc.default_mtu = 0; 5514 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5515 } 5516 if (paddrp->spp_flags & SPP_DSCP) { 5517 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5518 net->dscp = paddrp->spp_dscp & 0xfc; 5519 net->dscp |= 0x01; 5520 } 5521 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5522 stcb->asoc.default_dscp |= 0x01; 5523 } 5524 #ifdef INET6 5525 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5526 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5527 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5528 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5529 net->flowlabel |= 0x80000000; 5530 } 5531 } 5532 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5533 stcb->asoc.default_flowlabel |= 0x80000000; 5534 } 5535 #endif 5536 } 5537 SCTP_TCB_UNLOCK(stcb); 5538 } else { 5539 /************************NO TCB, SET TO default stuff ******************/ 5540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5542 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5543 SCTP_INP_WLOCK(inp); 5544 /* 5545 * For the TOS/FLOWLABEL stuff you 5546 * set it with the options on the 5547 * socket 5548 */ 5549 if (paddrp->spp_pathmaxrxt != 0) { 5550 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5551 } 5552 5553 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5554 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5555 else if (paddrp->spp_hbinterval != 0) { 5556 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5557 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5558 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5559 } 5560 5561 if (paddrp->spp_flags & SPP_HB_ENABLE) { 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) { 5565 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5566 } 5567 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5568 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5569 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5570 } 5571 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5572 inp->sctp_ep.default_mtu = 0; 5573 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5574 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5575 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5576 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5577 } 5578 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5579 } 5580 if (paddrp->spp_flags & SPP_DSCP) { 5581 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5582 inp->sctp_ep.default_dscp |= 0x01; 5583 } 5584 #ifdef INET6 5585 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5586 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5587 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5588 inp->sctp_ep.default_flowlabel |= 0x80000000; 5589 } 5590 } 5591 #endif 5592 SCTP_INP_WUNLOCK(inp); 5593 } else { 5594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5595 error = EINVAL; 5596 } 5597 } 5598 break; 5599 } 5600 case SCTP_RTOINFO: 5601 { 5602 struct sctp_rtoinfo *srto; 5603 uint32_t new_init, new_min, new_max; 5604 5605 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5606 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5607 5608 if (stcb) { 5609 if (srto->srto_initial) 5610 new_init = srto->srto_initial; 5611 else 5612 new_init = stcb->asoc.initial_rto; 5613 if (srto->srto_max) 5614 new_max = srto->srto_max; 5615 else 5616 new_max = stcb->asoc.maxrto; 5617 if (srto->srto_min) 5618 new_min = srto->srto_min; 5619 else 5620 new_min = stcb->asoc.minrto; 5621 if ((new_min <= new_init) && (new_init <= new_max)) { 5622 stcb->asoc.initial_rto = new_init; 5623 stcb->asoc.maxrto = new_max; 5624 stcb->asoc.minrto = new_min; 5625 } else { 5626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5627 error = EINVAL; 5628 } 5629 SCTP_TCB_UNLOCK(stcb); 5630 } else { 5631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5633 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5634 SCTP_INP_WLOCK(inp); 5635 if (srto->srto_initial) 5636 new_init = srto->srto_initial; 5637 else 5638 new_init = inp->sctp_ep.initial_rto; 5639 if (srto->srto_max) 5640 new_max = srto->srto_max; 5641 else 5642 new_max = inp->sctp_ep.sctp_maxrto; 5643 if (srto->srto_min) 5644 new_min = srto->srto_min; 5645 else 5646 new_min = inp->sctp_ep.sctp_minrto; 5647 if ((new_min <= new_init) && (new_init <= new_max)) { 5648 inp->sctp_ep.initial_rto = new_init; 5649 inp->sctp_ep.sctp_maxrto = new_max; 5650 inp->sctp_ep.sctp_minrto = new_min; 5651 } else { 5652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5653 error = EINVAL; 5654 } 5655 SCTP_INP_WUNLOCK(inp); 5656 } else { 5657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5658 error = EINVAL; 5659 } 5660 } 5661 break; 5662 } 5663 case SCTP_ASSOCINFO: 5664 { 5665 struct sctp_assocparams *sasoc; 5666 5667 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5668 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5669 if (sasoc->sasoc_cookie_life) { 5670 /* boundary check the cookie life */ 5671 if (sasoc->sasoc_cookie_life < 1000) 5672 sasoc->sasoc_cookie_life = 1000; 5673 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5674 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5675 } 5676 } 5677 if (stcb) { 5678 if (sasoc->sasoc_asocmaxrxt) 5679 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5680 if (sasoc->sasoc_cookie_life) { 5681 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5682 } 5683 SCTP_TCB_UNLOCK(stcb); 5684 } else { 5685 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5686 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5687 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5688 SCTP_INP_WLOCK(inp); 5689 if (sasoc->sasoc_asocmaxrxt) 5690 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5691 if (sasoc->sasoc_cookie_life) { 5692 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5693 } 5694 SCTP_INP_WUNLOCK(inp); 5695 } else { 5696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5697 error = EINVAL; 5698 } 5699 } 5700 break; 5701 } 5702 case SCTP_INITMSG: 5703 { 5704 struct sctp_initmsg *sinit; 5705 5706 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5707 SCTP_INP_WLOCK(inp); 5708 if (sinit->sinit_num_ostreams) 5709 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5710 5711 if (sinit->sinit_max_instreams) 5712 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5713 5714 if (sinit->sinit_max_attempts) 5715 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5716 5717 if (sinit->sinit_max_init_timeo) 5718 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5719 SCTP_INP_WUNLOCK(inp); 5720 break; 5721 } 5722 case SCTP_PRIMARY_ADDR: 5723 { 5724 struct sctp_setprim *spa; 5725 struct sctp_nets *net; 5726 struct sockaddr *addr; 5727 #if defined(INET) && defined(INET6) 5728 struct sockaddr_in sin_store; 5729 #endif 5730 5731 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5732 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5733 5734 #if defined(INET) && defined(INET6) 5735 if (spa->ssp_addr.ss_family == AF_INET6) { 5736 struct sockaddr_in6 *sin6; 5737 5738 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5739 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5740 in6_sin6_2_sin(&sin_store, sin6); 5741 addr = (struct sockaddr *)&sin_store; 5742 } else { 5743 addr = (struct sockaddr *)&spa->ssp_addr; 5744 } 5745 } else { 5746 addr = (struct sockaddr *)&spa->ssp_addr; 5747 } 5748 #else 5749 addr = (struct sockaddr *)&spa->ssp_addr; 5750 #endif 5751 if (stcb != NULL) { 5752 net = sctp_findnet(stcb, addr); 5753 } else { 5754 /* 5755 * We increment here since 5756 * sctp_findassociation_ep_addr() wil do a 5757 * decrement if it finds the stcb as long as 5758 * the locked tcb (last argument) is NOT a 5759 * TCB.. aka NULL. 5760 */ 5761 net = NULL; 5762 SCTP_INP_INCR_REF(inp); 5763 stcb = sctp_findassociation_ep_addr(&inp, addr, 5764 &net, NULL, NULL); 5765 if (stcb == NULL) { 5766 SCTP_INP_DECR_REF(inp); 5767 } 5768 } 5769 5770 if ((stcb != NULL) && (net != NULL)) { 5771 if (net != stcb->asoc.primary_destination) { 5772 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5773 /* Ok we need to set it */ 5774 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5775 if ((stcb->asoc.alternate) && 5776 (!(net->dest_state & SCTP_ADDR_PF)) && 5777 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5778 sctp_free_remote_addr(stcb->asoc.alternate); 5779 stcb->asoc.alternate = NULL; 5780 } 5781 } else { 5782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5783 error = EINVAL; 5784 } 5785 } else { 5786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5787 error = EINVAL; 5788 } 5789 } 5790 } else { 5791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5792 error = EINVAL; 5793 } 5794 if (stcb != NULL) { 5795 SCTP_TCB_UNLOCK(stcb); 5796 } 5797 break; 5798 } 5799 case SCTP_SET_DYNAMIC_PRIMARY: 5800 { 5801 union sctp_sockstore *ss; 5802 5803 error = priv_check(curthread, 5804 PRIV_NETINET_RESERVEDPORT); 5805 if (error) 5806 break; 5807 5808 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5809 /* SUPER USER CHECK? */ 5810 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5811 break; 5812 } 5813 case SCTP_SET_PEER_PRIMARY_ADDR: 5814 { 5815 struct sctp_setpeerprim *sspp; 5816 struct sockaddr *addr; 5817 #if defined(INET) && defined(INET6) 5818 struct sockaddr_in sin_store; 5819 #endif 5820 5821 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5822 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5823 if (stcb != NULL) { 5824 struct sctp_ifa *ifa; 5825 5826 #if defined(INET) && defined(INET6) 5827 if (sspp->sspp_addr.ss_family == AF_INET6) { 5828 struct sockaddr_in6 *sin6; 5829 5830 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5831 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5832 in6_sin6_2_sin(&sin_store, sin6); 5833 addr = (struct sockaddr *)&sin_store; 5834 } else { 5835 addr = (struct sockaddr *)&sspp->sspp_addr; 5836 } 5837 } else { 5838 addr = (struct sockaddr *)&sspp->sspp_addr; 5839 } 5840 #else 5841 addr = (struct sockaddr *)&sspp->sspp_addr; 5842 #endif 5843 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5844 if (ifa == NULL) { 5845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5846 error = EINVAL; 5847 goto out_of_it; 5848 } 5849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5850 /* 5851 * Must validate the ifa found is in 5852 * our ep 5853 */ 5854 struct sctp_laddr *laddr; 5855 int found = 0; 5856 5857 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5858 if (laddr->ifa == NULL) { 5859 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5860 __func__); 5861 continue; 5862 } 5863 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5864 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5865 continue; 5866 } 5867 if (laddr->ifa == ifa) { 5868 found = 1; 5869 break; 5870 } 5871 } 5872 if (!found) { 5873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5874 error = EINVAL; 5875 goto out_of_it; 5876 } 5877 } else { 5878 switch (addr->sa_family) { 5879 #ifdef INET 5880 case AF_INET: 5881 { 5882 struct sockaddr_in *sin; 5883 5884 sin = (struct sockaddr_in *)addr; 5885 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5886 &sin->sin_addr) != 0) { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 goto out_of_it; 5890 } 5891 break; 5892 } 5893 #endif 5894 #ifdef INET6 5895 case AF_INET6: 5896 { 5897 struct sockaddr_in6 *sin6; 5898 5899 sin6 = (struct sockaddr_in6 *)addr; 5900 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5901 &sin6->sin6_addr) != 0) { 5902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5903 error = EINVAL; 5904 goto out_of_it; 5905 } 5906 break; 5907 } 5908 #endif 5909 default: 5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5911 error = EINVAL; 5912 goto out_of_it; 5913 } 5914 } 5915 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5917 error = EINVAL; 5918 } 5919 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5920 out_of_it: 5921 SCTP_TCB_UNLOCK(stcb); 5922 } else { 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 } 5926 break; 5927 } 5928 case SCTP_BINDX_ADD_ADDR: 5929 { 5930 struct sctp_getaddresses *addrs; 5931 struct thread *td; 5932 5933 td = (struct thread *)p; 5934 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5935 optsize); 5936 #ifdef INET 5937 if (addrs->addr->sa_family == AF_INET) { 5938 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 error = EINVAL; 5941 break; 5942 } 5943 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5944 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5945 break; 5946 } 5947 } else 5948 #endif 5949 #ifdef INET6 5950 if (addrs->addr->sa_family == AF_INET6) { 5951 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 error = EINVAL; 5954 break; 5955 } 5956 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5957 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5958 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5959 break; 5960 } 5961 } else 5962 #endif 5963 { 5964 error = EAFNOSUPPORT; 5965 break; 5966 } 5967 sctp_bindx_add_address(so, inp, addrs->addr, 5968 addrs->sget_assoc_id, vrf_id, 5969 &error, p); 5970 break; 5971 } 5972 case SCTP_BINDX_REM_ADDR: 5973 { 5974 struct sctp_getaddresses *addrs; 5975 struct thread *td; 5976 5977 td = (struct thread *)p; 5978 5979 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5980 #ifdef INET 5981 if (addrs->addr->sa_family == AF_INET) { 5982 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5984 error = EINVAL; 5985 break; 5986 } 5987 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5988 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5989 break; 5990 } 5991 } else 5992 #endif 5993 #ifdef INET6 5994 if (addrs->addr->sa_family == AF_INET6) { 5995 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5997 error = EINVAL; 5998 break; 5999 } 6000 if (td != NULL && 6001 (error = prison_local_ip6(td->td_ucred, 6002 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6003 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6004 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6005 break; 6006 } 6007 } else 6008 #endif 6009 { 6010 error = EAFNOSUPPORT; 6011 break; 6012 } 6013 sctp_bindx_delete_address(inp, addrs->addr, 6014 addrs->sget_assoc_id, vrf_id, 6015 &error); 6016 break; 6017 } 6018 case SCTP_EVENT: 6019 { 6020 struct sctp_event *event; 6021 uint32_t event_type; 6022 6023 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6024 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6025 switch (event->se_type) { 6026 case SCTP_ASSOC_CHANGE: 6027 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6028 break; 6029 case SCTP_PEER_ADDR_CHANGE: 6030 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6031 break; 6032 case SCTP_REMOTE_ERROR: 6033 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6034 break; 6035 case SCTP_SEND_FAILED: 6036 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6037 break; 6038 case SCTP_SHUTDOWN_EVENT: 6039 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6040 break; 6041 case SCTP_ADAPTATION_INDICATION: 6042 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6043 break; 6044 case SCTP_PARTIAL_DELIVERY_EVENT: 6045 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6046 break; 6047 case SCTP_AUTHENTICATION_EVENT: 6048 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6049 break; 6050 case SCTP_STREAM_RESET_EVENT: 6051 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6052 break; 6053 case SCTP_SENDER_DRY_EVENT: 6054 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6055 break; 6056 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6057 event_type = 0; 6058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6059 error = ENOTSUP; 6060 break; 6061 case SCTP_ASSOC_RESET_EVENT: 6062 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6063 break; 6064 case SCTP_STREAM_CHANGE_EVENT: 6065 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6066 break; 6067 case SCTP_SEND_FAILED_EVENT: 6068 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6069 break; 6070 default: 6071 event_type = 0; 6072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6073 error = EINVAL; 6074 break; 6075 } 6076 if (event_type > 0) { 6077 if (stcb) { 6078 if (event->se_on) { 6079 sctp_stcb_feature_on(inp, stcb, event_type); 6080 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6081 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6082 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6083 (stcb->asoc.stream_queue_cnt == 0)) { 6084 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6085 } 6086 } 6087 } else { 6088 sctp_stcb_feature_off(inp, stcb, event_type); 6089 } 6090 SCTP_TCB_UNLOCK(stcb); 6091 } else { 6092 /* 6093 * We don't want to send up a storm 6094 * of events, so return an error for 6095 * sender dry events 6096 */ 6097 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6098 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6099 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6100 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6101 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6103 error = ENOTSUP; 6104 break; 6105 } 6106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6108 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6109 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6110 SCTP_INP_WLOCK(inp); 6111 if (event->se_on) { 6112 sctp_feature_on(inp, event_type); 6113 } else { 6114 sctp_feature_off(inp, event_type); 6115 } 6116 SCTP_INP_WUNLOCK(inp); 6117 } 6118 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6119 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6120 SCTP_INP_RLOCK(inp); 6121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6122 SCTP_TCB_LOCK(stcb); 6123 if (event->se_on) { 6124 sctp_stcb_feature_on(inp, stcb, event_type); 6125 } else { 6126 sctp_stcb_feature_off(inp, stcb, event_type); 6127 } 6128 SCTP_TCB_UNLOCK(stcb); 6129 } 6130 SCTP_INP_RUNLOCK(inp); 6131 } 6132 } 6133 } else { 6134 if (stcb) { 6135 SCTP_TCB_UNLOCK(stcb); 6136 } 6137 } 6138 break; 6139 } 6140 case SCTP_RECVRCVINFO: 6141 { 6142 int *onoff; 6143 6144 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6145 SCTP_INP_WLOCK(inp); 6146 if (*onoff != 0) { 6147 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6148 } else { 6149 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6150 } 6151 SCTP_INP_WUNLOCK(inp); 6152 break; 6153 } 6154 case SCTP_RECVNXTINFO: 6155 { 6156 int *onoff; 6157 6158 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6159 SCTP_INP_WLOCK(inp); 6160 if (*onoff != 0) { 6161 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6162 } else { 6163 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6164 } 6165 SCTP_INP_WUNLOCK(inp); 6166 break; 6167 } 6168 case SCTP_DEFAULT_SNDINFO: 6169 { 6170 struct sctp_sndinfo *info; 6171 uint16_t policy; 6172 6173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6174 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6175 6176 if (stcb) { 6177 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6178 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6179 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6180 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6181 stcb->asoc.def_send.sinfo_flags |= policy; 6182 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6183 stcb->asoc.def_send.sinfo_context = info->snd_context; 6184 } else { 6185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6186 error = EINVAL; 6187 } 6188 SCTP_TCB_UNLOCK(stcb); 6189 } else { 6190 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6191 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6192 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6193 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6194 SCTP_INP_WLOCK(inp); 6195 inp->def_send.sinfo_stream = info->snd_sid; 6196 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6197 inp->def_send.sinfo_flags = info->snd_flags; 6198 inp->def_send.sinfo_flags |= policy; 6199 inp->def_send.sinfo_ppid = info->snd_ppid; 6200 inp->def_send.sinfo_context = info->snd_context; 6201 SCTP_INP_WUNLOCK(inp); 6202 } 6203 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6204 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6205 SCTP_INP_RLOCK(inp); 6206 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6207 SCTP_TCB_LOCK(stcb); 6208 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6209 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6210 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6211 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6212 stcb->asoc.def_send.sinfo_flags |= policy; 6213 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6214 stcb->asoc.def_send.sinfo_context = info->snd_context; 6215 } 6216 SCTP_TCB_UNLOCK(stcb); 6217 } 6218 SCTP_INP_RUNLOCK(inp); 6219 } 6220 } 6221 break; 6222 } 6223 case SCTP_DEFAULT_PRINFO: 6224 { 6225 struct sctp_default_prinfo *info; 6226 6227 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6228 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6229 6230 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6231 if (stcb) { 6232 SCTP_TCB_UNLOCK(stcb); 6233 } 6234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6235 error = EINVAL; 6236 break; 6237 } 6238 if (stcb) { 6239 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6240 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6241 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6242 SCTP_TCB_UNLOCK(stcb); 6243 } else { 6244 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6245 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6246 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6247 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6248 SCTP_INP_WLOCK(inp); 6249 inp->def_send.sinfo_flags &= 0xfff0; 6250 inp->def_send.sinfo_flags |= info->pr_policy; 6251 inp->def_send.sinfo_timetolive = info->pr_value; 6252 SCTP_INP_WUNLOCK(inp); 6253 } 6254 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6255 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6256 SCTP_INP_RLOCK(inp); 6257 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6258 SCTP_TCB_LOCK(stcb); 6259 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6260 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6261 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6262 SCTP_TCB_UNLOCK(stcb); 6263 } 6264 SCTP_INP_RUNLOCK(inp); 6265 } 6266 } 6267 break; 6268 } 6269 case SCTP_PEER_ADDR_THLDS: 6270 /* Applies to the specific association */ 6271 { 6272 struct sctp_paddrthlds *thlds; 6273 struct sctp_nets *net; 6274 struct sockaddr *addr; 6275 #if defined(INET) && defined(INET6) 6276 struct sockaddr_in sin_store; 6277 #endif 6278 6279 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6280 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6281 6282 #if defined(INET) && defined(INET6) 6283 if (thlds->spt_address.ss_family == AF_INET6) { 6284 struct sockaddr_in6 *sin6; 6285 6286 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6288 in6_sin6_2_sin(&sin_store, sin6); 6289 addr = (struct sockaddr *)&sin_store; 6290 } else { 6291 addr = (struct sockaddr *)&thlds->spt_address; 6292 } 6293 } else { 6294 addr = (struct sockaddr *)&thlds->spt_address; 6295 } 6296 #else 6297 addr = (struct sockaddr *)&thlds->spt_address; 6298 #endif 6299 if (stcb != NULL) { 6300 net = sctp_findnet(stcb, addr); 6301 } else { 6302 /* 6303 * We increment here since 6304 * sctp_findassociation_ep_addr() wil do a 6305 * decrement if it finds the stcb as long as 6306 * the locked tcb (last argument) is NOT a 6307 * TCB.. aka NULL. 6308 */ 6309 net = NULL; 6310 SCTP_INP_INCR_REF(inp); 6311 stcb = sctp_findassociation_ep_addr(&inp, addr, 6312 &net, NULL, NULL); 6313 if (stcb == NULL) { 6314 SCTP_INP_DECR_REF(inp); 6315 } 6316 } 6317 if ((stcb != NULL) && (net == NULL)) { 6318 #ifdef INET 6319 if (addr->sa_family == AF_INET) { 6320 6321 struct sockaddr_in *sin; 6322 6323 sin = (struct sockaddr_in *)addr; 6324 if (sin->sin_addr.s_addr != INADDR_ANY) { 6325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6326 SCTP_TCB_UNLOCK(stcb); 6327 error = EINVAL; 6328 break; 6329 } 6330 } else 6331 #endif 6332 #ifdef INET6 6333 if (addr->sa_family == AF_INET6) { 6334 struct sockaddr_in6 *sin6; 6335 6336 sin6 = (struct sockaddr_in6 *)addr; 6337 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6339 SCTP_TCB_UNLOCK(stcb); 6340 error = EINVAL; 6341 break; 6342 } 6343 } else 6344 #endif 6345 { 6346 error = EAFNOSUPPORT; 6347 SCTP_TCB_UNLOCK(stcb); 6348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6349 break; 6350 } 6351 } 6352 if (thlds->spt_pathcpthld != 0xffff) { 6353 if (stcb != NULL) { 6354 SCTP_TCB_UNLOCK(stcb); 6355 } 6356 error = EINVAL; 6357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6358 break; 6359 } 6360 if (stcb != NULL) { 6361 if (net != NULL) { 6362 net->failure_threshold = thlds->spt_pathmaxrxt; 6363 net->pf_threshold = thlds->spt_pathpfthld; 6364 if (net->dest_state & SCTP_ADDR_PF) { 6365 if ((net->error_count > net->failure_threshold) || 6366 (net->error_count <= net->pf_threshold)) { 6367 net->dest_state &= ~SCTP_ADDR_PF; 6368 } 6369 } else { 6370 if ((net->error_count > net->pf_threshold) && 6371 (net->error_count <= net->failure_threshold)) { 6372 net->dest_state |= SCTP_ADDR_PF; 6373 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6374 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6375 stcb->sctp_ep, stcb, net, 6376 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6377 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6378 } 6379 } 6380 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6381 if (net->error_count > net->failure_threshold) { 6382 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6383 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6384 } 6385 } else { 6386 if (net->error_count <= net->failure_threshold) { 6387 net->dest_state |= SCTP_ADDR_REACHABLE; 6388 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6389 } 6390 } 6391 } else { 6392 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6393 net->failure_threshold = thlds->spt_pathmaxrxt; 6394 net->pf_threshold = thlds->spt_pathpfthld; 6395 if (net->dest_state & SCTP_ADDR_PF) { 6396 if ((net->error_count > net->failure_threshold) || 6397 (net->error_count <= net->pf_threshold)) { 6398 net->dest_state &= ~SCTP_ADDR_PF; 6399 } 6400 } else { 6401 if ((net->error_count > net->pf_threshold) && 6402 (net->error_count <= net->failure_threshold)) { 6403 net->dest_state |= SCTP_ADDR_PF; 6404 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6405 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6406 stcb->sctp_ep, stcb, net, 6407 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6408 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6409 } 6410 } 6411 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6412 if (net->error_count > net->failure_threshold) { 6413 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6414 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6415 } 6416 } else { 6417 if (net->error_count <= net->failure_threshold) { 6418 net->dest_state |= SCTP_ADDR_REACHABLE; 6419 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6420 } 6421 } 6422 } 6423 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6424 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6425 } 6426 SCTP_TCB_UNLOCK(stcb); 6427 } else { 6428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6429 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6430 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6431 SCTP_INP_WLOCK(inp); 6432 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6433 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6434 SCTP_INP_WUNLOCK(inp); 6435 } else { 6436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6437 error = EINVAL; 6438 } 6439 } 6440 break; 6441 } 6442 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6443 { 6444 struct sctp_udpencaps *encaps; 6445 struct sctp_nets *net; 6446 struct sockaddr *addr; 6447 #if defined(INET) && defined(INET6) 6448 struct sockaddr_in sin_store; 6449 #endif 6450 6451 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6452 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6453 6454 #if defined(INET) && defined(INET6) 6455 if (encaps->sue_address.ss_family == AF_INET6) { 6456 struct sockaddr_in6 *sin6; 6457 6458 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6459 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6460 in6_sin6_2_sin(&sin_store, sin6); 6461 addr = (struct sockaddr *)&sin_store; 6462 } else { 6463 addr = (struct sockaddr *)&encaps->sue_address; 6464 } 6465 } else { 6466 addr = (struct sockaddr *)&encaps->sue_address; 6467 } 6468 #else 6469 addr = (struct sockaddr *)&encaps->sue_address; 6470 #endif 6471 if (stcb != NULL) { 6472 net = sctp_findnet(stcb, addr); 6473 } else { 6474 /* 6475 * We increment here since 6476 * sctp_findassociation_ep_addr() wil do a 6477 * decrement if it finds the stcb as long as 6478 * the locked tcb (last argument) is NOT a 6479 * TCB.. aka NULL. 6480 */ 6481 net = NULL; 6482 SCTP_INP_INCR_REF(inp); 6483 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6484 if (stcb == NULL) { 6485 SCTP_INP_DECR_REF(inp); 6486 } 6487 } 6488 if ((stcb != NULL) && (net == NULL)) { 6489 #ifdef INET 6490 if (addr->sa_family == AF_INET) { 6491 6492 struct sockaddr_in *sin; 6493 6494 sin = (struct sockaddr_in *)addr; 6495 if (sin->sin_addr.s_addr != INADDR_ANY) { 6496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6497 SCTP_TCB_UNLOCK(stcb); 6498 error = EINVAL; 6499 break; 6500 } 6501 } else 6502 #endif 6503 #ifdef INET6 6504 if (addr->sa_family == AF_INET6) { 6505 struct sockaddr_in6 *sin6; 6506 6507 sin6 = (struct sockaddr_in6 *)addr; 6508 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6510 SCTP_TCB_UNLOCK(stcb); 6511 error = EINVAL; 6512 break; 6513 } 6514 } else 6515 #endif 6516 { 6517 error = EAFNOSUPPORT; 6518 SCTP_TCB_UNLOCK(stcb); 6519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6520 break; 6521 } 6522 } 6523 6524 if (stcb != NULL) { 6525 if (net != NULL) { 6526 net->port = encaps->sue_port; 6527 } else { 6528 stcb->asoc.port = encaps->sue_port; 6529 } 6530 SCTP_TCB_UNLOCK(stcb); 6531 } else { 6532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6534 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6535 SCTP_INP_WLOCK(inp); 6536 inp->sctp_ep.port = encaps->sue_port; 6537 SCTP_INP_WUNLOCK(inp); 6538 } else { 6539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6540 error = EINVAL; 6541 } 6542 } 6543 break; 6544 } 6545 case SCTP_ECN_SUPPORTED: 6546 { 6547 struct sctp_assoc_value *av; 6548 6549 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6550 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6551 6552 if (stcb) { 6553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6554 error = EINVAL; 6555 SCTP_TCB_UNLOCK(stcb); 6556 } else { 6557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6559 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6560 SCTP_INP_WLOCK(inp); 6561 if (av->assoc_value == 0) { 6562 inp->ecn_supported = 0; 6563 } else { 6564 inp->ecn_supported = 1; 6565 } 6566 SCTP_INP_WUNLOCK(inp); 6567 } else { 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6569 error = EINVAL; 6570 } 6571 } 6572 break; 6573 } 6574 case SCTP_PR_SUPPORTED: 6575 { 6576 struct sctp_assoc_value *av; 6577 6578 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6579 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6580 6581 if (stcb) { 6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6583 error = EINVAL; 6584 SCTP_TCB_UNLOCK(stcb); 6585 } else { 6586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6588 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6589 SCTP_INP_WLOCK(inp); 6590 if (av->assoc_value == 0) { 6591 inp->prsctp_supported = 0; 6592 } else { 6593 inp->prsctp_supported = 1; 6594 } 6595 SCTP_INP_WUNLOCK(inp); 6596 } else { 6597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6598 error = EINVAL; 6599 } 6600 } 6601 break; 6602 } 6603 case SCTP_AUTH_SUPPORTED: 6604 { 6605 struct sctp_assoc_value *av; 6606 6607 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6608 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6609 6610 if (stcb) { 6611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6612 error = EINVAL; 6613 SCTP_TCB_UNLOCK(stcb); 6614 } else { 6615 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6616 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6617 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6618 if ((av->assoc_value == 0) && 6619 (inp->asconf_supported == 1)) { 6620 /* 6621 * AUTH is required for 6622 * ASCONF 6623 */ 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 } else { 6627 SCTP_INP_WLOCK(inp); 6628 if (av->assoc_value == 0) { 6629 inp->auth_supported = 0; 6630 } else { 6631 inp->auth_supported = 1; 6632 } 6633 SCTP_INP_WUNLOCK(inp); 6634 } 6635 } else { 6636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6637 error = EINVAL; 6638 } 6639 } 6640 break; 6641 } 6642 case SCTP_ASCONF_SUPPORTED: 6643 { 6644 struct sctp_assoc_value *av; 6645 6646 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6647 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6648 6649 if (stcb) { 6650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6651 error = EINVAL; 6652 SCTP_TCB_UNLOCK(stcb); 6653 } else { 6654 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6655 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6656 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6657 if ((av->assoc_value != 0) && 6658 (inp->auth_supported == 0)) { 6659 /* 6660 * AUTH is required for 6661 * ASCONF 6662 */ 6663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6664 error = EINVAL; 6665 } else { 6666 SCTP_INP_WLOCK(inp); 6667 if (av->assoc_value == 0) { 6668 inp->asconf_supported = 0; 6669 sctp_auth_delete_chunk(SCTP_ASCONF, 6670 inp->sctp_ep.local_auth_chunks); 6671 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6672 inp->sctp_ep.local_auth_chunks); 6673 } else { 6674 inp->asconf_supported = 1; 6675 sctp_auth_add_chunk(SCTP_ASCONF, 6676 inp->sctp_ep.local_auth_chunks); 6677 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6678 inp->sctp_ep.local_auth_chunks); 6679 } 6680 SCTP_INP_WUNLOCK(inp); 6681 } 6682 } else { 6683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6684 error = EINVAL; 6685 } 6686 } 6687 break; 6688 } 6689 case SCTP_RECONFIG_SUPPORTED: 6690 { 6691 struct sctp_assoc_value *av; 6692 6693 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6694 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6695 6696 if (stcb) { 6697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6698 error = EINVAL; 6699 SCTP_TCB_UNLOCK(stcb); 6700 } else { 6701 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6702 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6703 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6704 SCTP_INP_WLOCK(inp); 6705 if (av->assoc_value == 0) { 6706 inp->reconfig_supported = 0; 6707 } else { 6708 inp->reconfig_supported = 1; 6709 } 6710 SCTP_INP_WUNLOCK(inp); 6711 } else { 6712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6713 error = EINVAL; 6714 } 6715 } 6716 break; 6717 } 6718 case SCTP_NRSACK_SUPPORTED: 6719 { 6720 struct sctp_assoc_value *av; 6721 6722 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6723 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6724 6725 if (stcb) { 6726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6727 error = EINVAL; 6728 SCTP_TCB_UNLOCK(stcb); 6729 } else { 6730 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6731 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6732 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6733 SCTP_INP_WLOCK(inp); 6734 if (av->assoc_value == 0) { 6735 inp->nrsack_supported = 0; 6736 } else { 6737 inp->nrsack_supported = 1; 6738 } 6739 SCTP_INP_WUNLOCK(inp); 6740 } else { 6741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6742 error = EINVAL; 6743 } 6744 } 6745 break; 6746 } 6747 case SCTP_PKTDROP_SUPPORTED: 6748 { 6749 struct sctp_assoc_value *av; 6750 6751 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6752 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6753 6754 if (stcb) { 6755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6756 error = EINVAL; 6757 SCTP_TCB_UNLOCK(stcb); 6758 } else { 6759 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6760 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6761 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6762 SCTP_INP_WLOCK(inp); 6763 if (av->assoc_value == 0) { 6764 inp->pktdrop_supported = 0; 6765 } else { 6766 inp->pktdrop_supported = 1; 6767 } 6768 SCTP_INP_WUNLOCK(inp); 6769 } else { 6770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6771 error = EINVAL; 6772 } 6773 } 6774 break; 6775 } 6776 case SCTP_MAX_CWND: 6777 { 6778 struct sctp_assoc_value *av; 6779 struct sctp_nets *net; 6780 6781 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6782 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6783 6784 if (stcb) { 6785 stcb->asoc.max_cwnd = av->assoc_value; 6786 if (stcb->asoc.max_cwnd > 0) { 6787 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6788 if ((net->cwnd > stcb->asoc.max_cwnd) && 6789 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6790 net->cwnd = stcb->asoc.max_cwnd; 6791 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6792 net->cwnd = net->mtu - sizeof(struct sctphdr); 6793 } 6794 } 6795 } 6796 } 6797 SCTP_TCB_UNLOCK(stcb); 6798 } else { 6799 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6800 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6801 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6802 SCTP_INP_WLOCK(inp); 6803 inp->max_cwnd = av->assoc_value; 6804 SCTP_INP_WUNLOCK(inp); 6805 } else { 6806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6807 error = EINVAL; 6808 } 6809 } 6810 break; 6811 } 6812 default: 6813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6814 error = ENOPROTOOPT; 6815 break; 6816 } /* end switch (opt) */ 6817 return (error); 6818 } 6819 6820 int 6821 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6822 { 6823 void *optval = NULL; 6824 size_t optsize = 0; 6825 void *p; 6826 int error = 0; 6827 struct sctp_inpcb *inp; 6828 6829 if ((sopt->sopt_level == SOL_SOCKET) && 6830 (sopt->sopt_name == SO_SETFIB)) { 6831 inp = (struct sctp_inpcb *)so->so_pcb; 6832 if (inp == NULL) { 6833 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6834 return (EINVAL); 6835 } 6836 SCTP_INP_WLOCK(inp); 6837 inp->fibnum = so->so_fibnum; 6838 SCTP_INP_WUNLOCK(inp); 6839 return (0); 6840 } 6841 if (sopt->sopt_level != IPPROTO_SCTP) { 6842 /* wrong proto level... send back up to IP */ 6843 #ifdef INET6 6844 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6845 error = ip6_ctloutput(so, sopt); 6846 #endif /* INET6 */ 6847 #if defined(INET) && defined(INET6) 6848 else 6849 #endif 6850 #ifdef INET 6851 error = ip_ctloutput(so, sopt); 6852 #endif 6853 return (error); 6854 } 6855 optsize = sopt->sopt_valsize; 6856 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6857 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6858 return (ENOBUFS); 6859 } 6860 if (optsize) { 6861 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6862 if (optval == NULL) { 6863 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6864 return (ENOBUFS); 6865 } 6866 error = sooptcopyin(sopt, optval, optsize, optsize); 6867 if (error) { 6868 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6869 goto out; 6870 } 6871 } 6872 p = (void *)sopt->sopt_td; 6873 if (sopt->sopt_dir == SOPT_SET) { 6874 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6875 } else if (sopt->sopt_dir == SOPT_GET) { 6876 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6877 } else { 6878 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6879 error = EINVAL; 6880 } 6881 if ((error == 0) && (optval != NULL)) { 6882 error = sooptcopyout(sopt, optval, optsize); 6883 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6884 } else if (optval != NULL) { 6885 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6886 } 6887 out: 6888 return (error); 6889 } 6890 6891 #ifdef INET 6892 static int 6893 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6894 { 6895 int error = 0; 6896 int create_lock_on = 0; 6897 uint32_t vrf_id; 6898 struct sctp_inpcb *inp; 6899 struct sctp_tcb *stcb = NULL; 6900 6901 inp = (struct sctp_inpcb *)so->so_pcb; 6902 if (inp == NULL) { 6903 /* I made the same as TCP since we are not setup? */ 6904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6905 return (ECONNRESET); 6906 } 6907 if (addr == NULL) { 6908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6909 return EINVAL; 6910 } 6911 6912 switch (addr->sa_family) { 6913 #ifdef INET6 6914 case AF_INET6: 6915 { 6916 struct sockaddr_in6 *sin6; 6917 6918 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6920 return (EINVAL); 6921 } 6922 sin6 = (struct sockaddr_in6 *)addr; 6923 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6925 return (error); 6926 } 6927 break; 6928 } 6929 #endif 6930 #ifdef INET 6931 case AF_INET: 6932 { 6933 struct sockaddr_in *sin; 6934 6935 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6937 return (EINVAL); 6938 } 6939 sin = (struct sockaddr_in *)addr; 6940 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6942 return (error); 6943 } 6944 break; 6945 } 6946 #endif 6947 default: 6948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6949 return (EAFNOSUPPORT); 6950 } 6951 SCTP_INP_INCR_REF(inp); 6952 SCTP_ASOC_CREATE_LOCK(inp); 6953 create_lock_on = 1; 6954 6955 6956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6957 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6958 /* Should I really unlock ? */ 6959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6960 error = EFAULT; 6961 goto out_now; 6962 } 6963 #ifdef INET6 6964 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6965 (addr->sa_family == AF_INET6)) { 6966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6967 error = EINVAL; 6968 goto out_now; 6969 } 6970 #endif 6971 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6972 SCTP_PCB_FLAGS_UNBOUND) { 6973 /* Bind a ephemeral port */ 6974 error = sctp_inpcb_bind(so, NULL, NULL, p); 6975 if (error) { 6976 goto out_now; 6977 } 6978 } 6979 /* Now do we connect? */ 6980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6981 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6983 error = EINVAL; 6984 goto out_now; 6985 } 6986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6987 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6988 /* We are already connected AND the TCP model */ 6989 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6990 error = EADDRINUSE; 6991 goto out_now; 6992 } 6993 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6994 SCTP_INP_RLOCK(inp); 6995 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6996 SCTP_INP_RUNLOCK(inp); 6997 } else { 6998 /* 6999 * We increment here since sctp_findassociation_ep_addr() 7000 * will do a decrement if it finds the stcb as long as the 7001 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7002 */ 7003 SCTP_INP_INCR_REF(inp); 7004 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7005 if (stcb == NULL) { 7006 SCTP_INP_DECR_REF(inp); 7007 } else { 7008 SCTP_TCB_UNLOCK(stcb); 7009 } 7010 } 7011 if (stcb != NULL) { 7012 /* Already have or am bring up an association */ 7013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7014 error = EALREADY; 7015 goto out_now; 7016 } 7017 7018 vrf_id = inp->def_vrf_id; 7019 /* We are GOOD to go */ 7020 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7021 inp->sctp_ep.pre_open_stream_count, 7022 inp->sctp_ep.port, p, 7023 SCTP_INITIALIZE_AUTH_PARAMS); 7024 if (stcb == NULL) { 7025 /* Gak! no memory */ 7026 goto out_now; 7027 } 7028 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7029 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7030 /* Set the connected flag so we can queue data */ 7031 soisconnecting(so); 7032 } 7033 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7034 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7035 7036 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7037 SCTP_TCB_UNLOCK(stcb); 7038 out_now: 7039 if (create_lock_on) { 7040 SCTP_ASOC_CREATE_UNLOCK(inp); 7041 } 7042 7043 SCTP_INP_DECR_REF(inp); 7044 return (error); 7045 } 7046 #endif 7047 7048 int 7049 sctp_listen(struct socket *so, int backlog, struct thread *p) 7050 { 7051 /* 7052 * Note this module depends on the protocol processing being called 7053 * AFTER any socket level flags and backlog are applied to the 7054 * socket. The traditional way that the socket flags are applied is 7055 * AFTER protocol processing. We have made a change to the 7056 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7057 * place if the socket API for SCTP is to work properly. 7058 */ 7059 7060 int error = 0; 7061 struct sctp_inpcb *inp; 7062 7063 inp = (struct sctp_inpcb *)so->so_pcb; 7064 if (inp == NULL) { 7065 /* I made the same as TCP since we are not setup? */ 7066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7067 return (ECONNRESET); 7068 } 7069 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7070 /* See if we have a listener */ 7071 struct sctp_inpcb *tinp; 7072 union sctp_sockstore store; 7073 7074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7075 /* not bound all */ 7076 struct sctp_laddr *laddr; 7077 7078 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7079 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7080 switch (store.sa.sa_family) { 7081 #ifdef INET 7082 case AF_INET: 7083 store.sin.sin_port = inp->sctp_lport; 7084 break; 7085 #endif 7086 #ifdef INET6 7087 case AF_INET6: 7088 store.sin6.sin6_port = inp->sctp_lport; 7089 break; 7090 #endif 7091 default: 7092 break; 7093 } 7094 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7095 if (tinp && (tinp != inp) && 7096 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7097 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7098 (SCTP_IS_LISTENING(tinp))) { 7099 /* 7100 * we have a listener already and 7101 * its not this inp. 7102 */ 7103 SCTP_INP_DECR_REF(tinp); 7104 return (EADDRINUSE); 7105 } else if (tinp) { 7106 SCTP_INP_DECR_REF(tinp); 7107 } 7108 } 7109 } else { 7110 /* Setup a local addr bound all */ 7111 memset(&store, 0, sizeof(store)); 7112 #ifdef INET6 7113 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7114 store.sa.sa_family = AF_INET6; 7115 store.sa.sa_len = sizeof(struct sockaddr_in6); 7116 } 7117 #endif 7118 #ifdef INET 7119 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7120 store.sa.sa_family = AF_INET; 7121 store.sa.sa_len = sizeof(struct sockaddr_in); 7122 } 7123 #endif 7124 switch (store.sa.sa_family) { 7125 #ifdef INET 7126 case AF_INET: 7127 store.sin.sin_port = inp->sctp_lport; 7128 break; 7129 #endif 7130 #ifdef INET6 7131 case AF_INET6: 7132 store.sin6.sin6_port = inp->sctp_lport; 7133 break; 7134 #endif 7135 default: 7136 break; 7137 } 7138 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7139 if (tinp && (tinp != inp) && 7140 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7141 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7142 (SCTP_IS_LISTENING(tinp))) { 7143 /* 7144 * we have a listener already and its not 7145 * this inp. 7146 */ 7147 SCTP_INP_DECR_REF(tinp); 7148 return (EADDRINUSE); 7149 } else if (tinp) { 7150 SCTP_INP_DECR_REF(tinp); 7151 } 7152 } 7153 } 7154 SCTP_INP_RLOCK(inp); 7155 #ifdef SCTP_LOCK_LOGGING 7156 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7157 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7158 } 7159 #endif 7160 SOCK_LOCK(so); 7161 error = solisten_proto_check(so); 7162 SOCK_UNLOCK(so); 7163 if (error) { 7164 SCTP_INP_RUNLOCK(inp); 7165 return (error); 7166 } 7167 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7168 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7169 /* 7170 * The unlucky case - We are in the tcp pool with this guy. 7171 * - Someone else is in the main inp slot. - We must move 7172 * this guy (the listener) to the main slot - We must then 7173 * move the guy that was listener to the TCP Pool. 7174 */ 7175 if (sctp_swap_inpcb_for_listen(inp)) { 7176 SCTP_INP_RUNLOCK(inp); 7177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7178 return (EADDRINUSE); 7179 } 7180 } 7181 7182 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7183 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7184 /* We are already connected AND the TCP model */ 7185 SCTP_INP_RUNLOCK(inp); 7186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7187 return (EADDRINUSE); 7188 } 7189 SCTP_INP_RUNLOCK(inp); 7190 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7191 /* We must do a bind. */ 7192 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7193 /* bind error, probably perm */ 7194 return (error); 7195 } 7196 } 7197 SCTP_INP_WLOCK(inp); 7198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7199 SOCK_LOCK(so); 7200 solisten_proto(so, backlog); 7201 SOCK_UNLOCK(so); 7202 } 7203 if (backlog > 0) { 7204 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7205 } else { 7206 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7207 } 7208 SCTP_INP_WUNLOCK(inp); 7209 return (error); 7210 } 7211 7212 static int sctp_defered_wakeup_cnt = 0; 7213 7214 int 7215 sctp_accept(struct socket *so, struct sockaddr **addr) 7216 { 7217 struct sctp_tcb *stcb; 7218 struct sctp_inpcb *inp; 7219 union sctp_sockstore store; 7220 #ifdef INET6 7221 int error; 7222 #endif 7223 inp = (struct sctp_inpcb *)so->so_pcb; 7224 7225 if (inp == NULL) { 7226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7227 return (ECONNRESET); 7228 } 7229 SCTP_INP_WLOCK(inp); 7230 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7231 SCTP_INP_WUNLOCK(inp); 7232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7233 return (EOPNOTSUPP); 7234 } 7235 if (so->so_state & SS_ISDISCONNECTED) { 7236 SCTP_INP_WUNLOCK(inp); 7237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7238 return (ECONNABORTED); 7239 } 7240 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7241 if (stcb == NULL) { 7242 SCTP_INP_WUNLOCK(inp); 7243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7244 return (ECONNRESET); 7245 } 7246 SCTP_TCB_LOCK(stcb); 7247 store = stcb->asoc.primary_destination->ro._l_addr; 7248 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7249 /* Wake any delayed sleep action */ 7250 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7251 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7252 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7253 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7254 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7255 if (sowriteable(inp->sctp_socket)) { 7256 sowwakeup_locked(inp->sctp_socket); 7257 } else { 7258 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7259 } 7260 } 7261 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7262 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7263 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7264 if (soreadable(inp->sctp_socket)) { 7265 sctp_defered_wakeup_cnt++; 7266 sorwakeup_locked(inp->sctp_socket); 7267 } else { 7268 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7269 } 7270 } 7271 } 7272 SCTP_INP_WUNLOCK(inp); 7273 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7274 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7275 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7276 } else { 7277 SCTP_TCB_UNLOCK(stcb); 7278 } 7279 switch (store.sa.sa_family) { 7280 #ifdef INET 7281 case AF_INET: 7282 { 7283 struct sockaddr_in *sin; 7284 7285 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7286 if (sin == NULL) 7287 return (ENOMEM); 7288 sin->sin_family = AF_INET; 7289 sin->sin_len = sizeof(*sin); 7290 sin->sin_port = store.sin.sin_port; 7291 sin->sin_addr = store.sin.sin_addr; 7292 *addr = (struct sockaddr *)sin; 7293 break; 7294 } 7295 #endif 7296 #ifdef INET6 7297 case AF_INET6: 7298 { 7299 struct sockaddr_in6 *sin6; 7300 7301 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7302 if (sin6 == NULL) 7303 return (ENOMEM); 7304 sin6->sin6_family = AF_INET6; 7305 sin6->sin6_len = sizeof(*sin6); 7306 sin6->sin6_port = store.sin6.sin6_port; 7307 sin6->sin6_addr = store.sin6.sin6_addr; 7308 if ((error = sa6_recoverscope(sin6)) != 0) { 7309 SCTP_FREE_SONAME(sin6); 7310 return (error); 7311 } 7312 *addr = (struct sockaddr *)sin6; 7313 break; 7314 } 7315 #endif 7316 default: 7317 /* TSNH */ 7318 break; 7319 } 7320 return (0); 7321 } 7322 7323 #ifdef INET 7324 int 7325 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7326 { 7327 struct sockaddr_in *sin; 7328 uint32_t vrf_id; 7329 struct sctp_inpcb *inp; 7330 struct sctp_ifa *sctp_ifa; 7331 7332 /* 7333 * Do the malloc first in case it blocks. 7334 */ 7335 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7336 if (sin == NULL) 7337 return (ENOMEM); 7338 sin->sin_family = AF_INET; 7339 sin->sin_len = sizeof(*sin); 7340 inp = (struct sctp_inpcb *)so->so_pcb; 7341 if (!inp) { 7342 SCTP_FREE_SONAME(sin); 7343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7344 return (ECONNRESET); 7345 } 7346 SCTP_INP_RLOCK(inp); 7347 sin->sin_port = inp->sctp_lport; 7348 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7349 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7350 struct sctp_tcb *stcb; 7351 struct sockaddr_in *sin_a; 7352 struct sctp_nets *net; 7353 int fnd; 7354 7355 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7356 if (stcb == NULL) { 7357 goto notConn; 7358 } 7359 fnd = 0; 7360 sin_a = NULL; 7361 SCTP_TCB_LOCK(stcb); 7362 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7363 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7364 if (sin_a == NULL) 7365 /* this will make coverity happy */ 7366 continue; 7367 7368 if (sin_a->sin_family == AF_INET) { 7369 fnd = 1; 7370 break; 7371 } 7372 } 7373 if ((!fnd) || (sin_a == NULL)) { 7374 /* punt */ 7375 SCTP_TCB_UNLOCK(stcb); 7376 goto notConn; 7377 } 7378 7379 vrf_id = inp->def_vrf_id; 7380 sctp_ifa = sctp_source_address_selection(inp, 7381 stcb, 7382 (sctp_route_t *)&net->ro, 7383 net, 0, vrf_id); 7384 if (sctp_ifa) { 7385 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7386 sctp_free_ifa(sctp_ifa); 7387 } 7388 SCTP_TCB_UNLOCK(stcb); 7389 } else { 7390 /* For the bound all case you get back 0 */ 7391 notConn: 7392 sin->sin_addr.s_addr = 0; 7393 } 7394 7395 } else { 7396 /* Take the first IPv4 address in the list */ 7397 struct sctp_laddr *laddr; 7398 int fnd = 0; 7399 7400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7401 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7402 struct sockaddr_in *sin_a; 7403 7404 sin_a = &laddr->ifa->address.sin; 7405 sin->sin_addr = sin_a->sin_addr; 7406 fnd = 1; 7407 break; 7408 } 7409 } 7410 if (!fnd) { 7411 SCTP_FREE_SONAME(sin); 7412 SCTP_INP_RUNLOCK(inp); 7413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7414 return (ENOENT); 7415 } 7416 } 7417 SCTP_INP_RUNLOCK(inp); 7418 (*addr) = (struct sockaddr *)sin; 7419 return (0); 7420 } 7421 7422 int 7423 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7424 { 7425 struct sockaddr_in *sin; 7426 int fnd; 7427 struct sockaddr_in *sin_a; 7428 struct sctp_inpcb *inp; 7429 struct sctp_tcb *stcb; 7430 struct sctp_nets *net; 7431 7432 /* Do the malloc first in case it blocks. */ 7433 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7434 if (sin == NULL) 7435 return (ENOMEM); 7436 sin->sin_family = AF_INET; 7437 sin->sin_len = sizeof(*sin); 7438 7439 inp = (struct sctp_inpcb *)so->so_pcb; 7440 if ((inp == NULL) || 7441 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7442 /* UDP type and listeners will drop out here */ 7443 SCTP_FREE_SONAME(sin); 7444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7445 return (ENOTCONN); 7446 } 7447 SCTP_INP_RLOCK(inp); 7448 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7449 if (stcb) { 7450 SCTP_TCB_LOCK(stcb); 7451 } 7452 SCTP_INP_RUNLOCK(inp); 7453 if (stcb == NULL) { 7454 SCTP_FREE_SONAME(sin); 7455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7456 return (ECONNRESET); 7457 } 7458 fnd = 0; 7459 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7460 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7461 if (sin_a->sin_family == AF_INET) { 7462 fnd = 1; 7463 sin->sin_port = stcb->rport; 7464 sin->sin_addr = sin_a->sin_addr; 7465 break; 7466 } 7467 } 7468 SCTP_TCB_UNLOCK(stcb); 7469 if (!fnd) { 7470 /* No IPv4 address */ 7471 SCTP_FREE_SONAME(sin); 7472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7473 return (ENOENT); 7474 } 7475 (*addr) = (struct sockaddr *)sin; 7476 return (0); 7477 } 7478 7479 struct pr_usrreqs sctp_usrreqs = { 7480 .pru_abort = sctp_abort, 7481 .pru_accept = sctp_accept, 7482 .pru_attach = sctp_attach, 7483 .pru_bind = sctp_bind, 7484 .pru_connect = sctp_connect, 7485 .pru_control = in_control, 7486 .pru_close = sctp_close, 7487 .pru_detach = sctp_close, 7488 .pru_sopoll = sopoll_generic, 7489 .pru_flush = sctp_flush, 7490 .pru_disconnect = sctp_disconnect, 7491 .pru_listen = sctp_listen, 7492 .pru_peeraddr = sctp_peeraddr, 7493 .pru_send = sctp_sendm, 7494 .pru_shutdown = sctp_shutdown, 7495 .pru_sockaddr = sctp_ingetaddr, 7496 .pru_sosend = sctp_sosend, 7497 .pru_soreceive = sctp_soreceive 7498 }; 7499 #endif 7500