1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX whichever is smaller for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 } 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 sctp_pcb_finish(); 99 } 100 101 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 102 #endif 103 104 void 105 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 106 { 107 struct sctp_tmit_chunk *chk; 108 uint16_t overhead; 109 110 /* Adjust that too */ 111 stcb->asoc.smallest_mtu = nxtsz; 112 /* now off to subtract IP_DF flag if needed */ 113 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 114 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 115 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 120 } 121 } 122 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 123 if ((chk->send_size + overhead) > nxtsz) { 124 /* 125 * For this guy we also mark for immediate resend 126 * since we sent to big of chunk 127 */ 128 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 129 if (chk->sent < SCTP_DATAGRAM_RESEND) { 130 sctp_flight_size_decrease(chk); 131 sctp_total_flight_decrease(stcb, chk); 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 134 chk->rec.data.doing_fast_retransmit = 0; 135 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 136 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 137 chk->whoTo->flight_size, 138 chk->book_size, 139 (uint32_t)(uintptr_t)chk->whoTo, 140 chk->rec.data.tsn); 141 } 142 /* Clear any time so NO RTT is being done */ 143 chk->do_rtt = 0; 144 } 145 } 146 } 147 } 148 149 #ifdef INET 150 void 151 sctp_notify(struct sctp_inpcb *inp, 152 struct sctp_tcb *stcb, 153 struct sctp_nets *net, 154 uint8_t icmp_type, 155 uint8_t icmp_code, 156 uint16_t ip_len, 157 uint32_t next_mtu) 158 { 159 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 160 struct socket *so; 161 #endif 162 int timer_stopped; 163 164 if (icmp_type != ICMP_UNREACH) { 165 /* We only care about unreachable */ 166 SCTP_TCB_UNLOCK(stcb); 167 return; 168 } 169 if ((icmp_code == ICMP_UNREACH_NET) || 170 (icmp_code == ICMP_UNREACH_HOST) || 171 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 172 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 173 (icmp_code == ICMP_UNREACH_ISOLATED) || 174 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 175 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 176 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 177 /* Mark the net unreachable. */ 178 if (net->dest_state & SCTP_ADDR_REACHABLE) { 179 /* OK, that destination is NOT reachable. */ 180 net->dest_state &= ~SCTP_ADDR_REACHABLE; 181 net->dest_state &= ~SCTP_ADDR_PF; 182 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 183 stcb, 0, 184 (void *)net, SCTP_SO_NOT_LOCKED); 185 } 186 SCTP_TCB_UNLOCK(stcb); 187 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 188 (icmp_code == ICMP_UNREACH_PORT)) { 189 /* Treat it like an ABORT. */ 190 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 191 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 192 so = SCTP_INP_SO(inp); 193 atomic_add_int(&stcb->asoc.refcnt, 1); 194 SCTP_TCB_UNLOCK(stcb); 195 SCTP_SOCKET_LOCK(so, 1); 196 SCTP_TCB_LOCK(stcb); 197 atomic_subtract_int(&stcb->asoc.refcnt, 1); 198 #endif 199 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 200 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 201 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 202 SCTP_SOCKET_UNLOCK(so, 1); 203 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 204 #endif 205 /* no need to unlock here, since the TCB is gone */ 206 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 207 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 208 SCTP_TCB_UNLOCK(stcb); 209 return; 210 } 211 /* Find the next (smaller) MTU */ 212 if (next_mtu == 0) { 213 /* 214 * Old type router that does not tell us what the 215 * next MTU is. Rats we will have to guess (in a 216 * educated fashion of course). 217 */ 218 next_mtu = sctp_get_prev_mtu(ip_len); 219 } 220 /* Stop the PMTU timer. */ 221 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 222 timer_stopped = 1; 223 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 224 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 225 } else { 226 timer_stopped = 0; 227 } 228 /* Update the path MTU. */ 229 if (net->port) { 230 next_mtu -= sizeof(struct udphdr); 231 } 232 if (net->mtu > next_mtu) { 233 net->mtu = next_mtu; 234 if (net->port) { 235 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 236 } else { 237 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 238 } 239 } 240 /* Update the association MTU */ 241 if (stcb->asoc.smallest_mtu > next_mtu) { 242 sctp_pathmtu_adjustment(stcb, next_mtu); 243 } 244 /* Finally, start the PMTU timer if it was running before. */ 245 if (timer_stopped) { 246 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 247 } 248 SCTP_TCB_UNLOCK(stcb); 249 } else { 250 SCTP_TCB_UNLOCK(stcb); 251 } 252 } 253 254 void 255 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 256 { 257 struct ip *outer_ip; 258 struct ip *inner_ip; 259 struct sctphdr *sh; 260 struct icmp *icmp; 261 struct sctp_inpcb *inp; 262 struct sctp_tcb *stcb; 263 struct sctp_nets *net; 264 struct sctp_init_chunk *ch; 265 struct sockaddr_in src, dst; 266 267 if (sa->sa_family != AF_INET || 268 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 269 return; 270 } 271 if (PRC_IS_REDIRECT(cmd)) { 272 vip = NULL; 273 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 274 return; 275 } 276 if (vip != NULL) { 277 inner_ip = (struct ip *)vip; 278 icmp = (struct icmp *)((caddr_t)inner_ip - 279 (sizeof(struct icmp) - sizeof(struct ip))); 280 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 281 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 282 memset(&src, 0, sizeof(struct sockaddr_in)); 283 src.sin_family = AF_INET; 284 src.sin_len = sizeof(struct sockaddr_in); 285 src.sin_port = sh->src_port; 286 src.sin_addr = inner_ip->ip_src; 287 memset(&dst, 0, sizeof(struct sockaddr_in)); 288 dst.sin_family = AF_INET; 289 dst.sin_len = sizeof(struct sockaddr_in); 290 dst.sin_port = sh->dest_port; 291 dst.sin_addr = inner_ip->ip_dst; 292 /* 293 * 'dst' holds the dest of the packet that failed to be 294 * sent. 'src' holds our local endpoint address. Thus we 295 * reverse the dst and the src in the lookup. 296 */ 297 inp = NULL; 298 net = NULL; 299 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 300 (struct sockaddr *)&src, 301 &inp, &net, 1, 302 SCTP_DEFAULT_VRFID); 303 if ((stcb != NULL) && 304 (net != NULL) && 305 (inp != NULL)) { 306 /* Check the verification tag */ 307 if (ntohl(sh->v_tag) != 0) { 308 /* 309 * This must be the verification tag used 310 * for sending out packets. We don't 311 * consider packets reflecting the 312 * verification tag. 313 */ 314 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 315 SCTP_TCB_UNLOCK(stcb); 316 return; 317 } 318 } else { 319 if (ntohs(outer_ip->ip_len) >= 320 sizeof(struct ip) + 321 8 + (inner_ip->ip_hl << 2) + 20) { 322 /* 323 * In this case we can check if we 324 * got an INIT chunk and if the 325 * initiate tag matches. 326 */ 327 ch = (struct sctp_init_chunk *)(sh + 1); 328 if ((ch->ch.chunk_type != SCTP_INITIATION) || 329 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } else { 334 SCTP_TCB_UNLOCK(stcb); 335 return; 336 } 337 } 338 sctp_notify(inp, stcb, net, 339 icmp->icmp_type, 340 icmp->icmp_code, 341 ntohs(inner_ip->ip_len), 342 (uint32_t)ntohs(icmp->icmp_nextmtu)); 343 } else { 344 if ((stcb == NULL) && (inp != NULL)) { 345 /* reduce ref-count */ 346 SCTP_INP_WLOCK(inp); 347 SCTP_INP_DECR_REF(inp); 348 SCTP_INP_WUNLOCK(inp); 349 } 350 if (stcb) { 351 SCTP_TCB_UNLOCK(stcb); 352 } 353 } 354 } 355 return; 356 } 357 #endif 358 359 static int 360 sctp_getcred(SYSCTL_HANDLER_ARGS) 361 { 362 struct xucred xuc; 363 struct sockaddr_in addrs[2]; 364 struct sctp_inpcb *inp; 365 struct sctp_nets *net; 366 struct sctp_tcb *stcb; 367 int error; 368 uint32_t vrf_id; 369 370 /* FIX, for non-bsd is this right? */ 371 vrf_id = SCTP_DEFAULT_VRFID; 372 373 error = priv_check(req->td, PRIV_NETINET_GETCRED); 374 375 if (error) 376 return (error); 377 378 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 379 if (error) 380 return (error); 381 382 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 383 sintosa(&addrs[0]), 384 &inp, &net, 1, vrf_id); 385 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 386 if ((inp != NULL) && (stcb == NULL)) { 387 /* reduce ref-count */ 388 SCTP_INP_WLOCK(inp); 389 SCTP_INP_DECR_REF(inp); 390 goto cred_can_cont; 391 } 392 393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 394 error = ENOENT; 395 goto out; 396 } 397 SCTP_TCB_UNLOCK(stcb); 398 /* 399 * We use the write lock here, only since in the error leg we need 400 * it. If we used RLOCK, then we would have to 401 * wlock/decr/unlock/rlock. Which in theory could create a hole. 402 * Better to use higher wlock. 403 */ 404 SCTP_INP_WLOCK(inp); 405 cred_can_cont: 406 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 407 if (error) { 408 SCTP_INP_WUNLOCK(inp); 409 goto out; 410 } 411 cru2x(inp->sctp_socket->so_cred, &xuc); 412 SCTP_INP_WUNLOCK(inp); 413 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 414 out: 415 return (error); 416 } 417 418 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 419 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 420 421 422 #ifdef INET 423 static void 424 sctp_abort(struct socket *so) 425 { 426 struct sctp_inpcb *inp; 427 uint32_t flags; 428 429 inp = (struct sctp_inpcb *)so->so_pcb; 430 if (inp == NULL) { 431 return; 432 } 433 434 sctp_must_try_again: 435 flags = inp->sctp_flags; 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 17); 438 #endif 439 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 440 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 441 #ifdef SCTP_LOG_CLOSING 442 sctp_log_closing(inp, NULL, 16); 443 #endif 444 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 445 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 446 SOCK_LOCK(so); 447 SCTP_SB_CLEAR(so->so_snd); 448 /* 449 * same for the rcv ones, they are only here for the 450 * accounting/select. 451 */ 452 SCTP_SB_CLEAR(so->so_rcv); 453 454 /* Now null out the reference, we are completely detached. */ 455 so->so_pcb = NULL; 456 SOCK_UNLOCK(so); 457 } else { 458 flags = inp->sctp_flags; 459 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 460 goto sctp_must_try_again; 461 } 462 } 463 return; 464 } 465 466 static int 467 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 468 { 469 struct sctp_inpcb *inp; 470 struct inpcb *ip_inp; 471 int error; 472 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 473 474 inp = (struct sctp_inpcb *)so->so_pcb; 475 if (inp != NULL) { 476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 477 return (EINVAL); 478 } 479 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 480 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 481 if (error) { 482 return (error); 483 } 484 } 485 error = sctp_inpcb_alloc(so, vrf_id); 486 if (error) { 487 return (error); 488 } 489 inp = (struct sctp_inpcb *)so->so_pcb; 490 SCTP_INP_WLOCK(inp); 491 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 492 ip_inp = &inp->ip_inp.inp; 493 ip_inp->inp_vflag |= INP_IPV4; 494 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 495 SCTP_INP_WUNLOCK(inp); 496 return (0); 497 } 498 499 static int 500 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 501 { 502 struct sctp_inpcb *inp; 503 504 inp = (struct sctp_inpcb *)so->so_pcb; 505 if (inp == NULL) { 506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 507 return (EINVAL); 508 } 509 if (addr != NULL) { 510 if ((addr->sa_family != AF_INET) || 511 (addr->sa_len != sizeof(struct sockaddr_in))) { 512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 513 return (EINVAL); 514 } 515 } 516 return (sctp_inpcb_bind(so, addr, NULL, p)); 517 } 518 519 #endif 520 void 521 sctp_close(struct socket *so) 522 { 523 struct sctp_inpcb *inp; 524 uint32_t flags; 525 526 inp = (struct sctp_inpcb *)so->so_pcb; 527 if (inp == NULL) 528 return; 529 530 /* 531 * Inform all the lower layer assoc that we are done. 532 */ 533 sctp_must_try_again: 534 flags = inp->sctp_flags; 535 #ifdef SCTP_LOG_CLOSING 536 sctp_log_closing(inp, NULL, 17); 537 #endif 538 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 539 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 540 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 541 (so->so_rcv.sb_cc > 0)) { 542 #ifdef SCTP_LOG_CLOSING 543 sctp_log_closing(inp, NULL, 13); 544 #endif 545 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 546 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 547 } else { 548 #ifdef SCTP_LOG_CLOSING 549 sctp_log_closing(inp, NULL, 14); 550 #endif 551 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 552 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 553 } 554 /* 555 * The socket is now detached, no matter what the state of 556 * the SCTP association. 557 */ 558 SOCK_LOCK(so); 559 SCTP_SB_CLEAR(so->so_snd); 560 /* 561 * same for the rcv ones, they are only here for the 562 * accounting/select. 563 */ 564 SCTP_SB_CLEAR(so->so_rcv); 565 566 /* Now null out the reference, we are completely detached. */ 567 so->so_pcb = NULL; 568 SOCK_UNLOCK(so); 569 } else { 570 flags = inp->sctp_flags; 571 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 572 goto sctp_must_try_again; 573 } 574 } 575 return; 576 } 577 578 579 int 580 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 581 struct mbuf *control, struct thread *p); 582 583 584 int 585 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 586 struct mbuf *control, struct thread *p) 587 { 588 struct sctp_inpcb *inp; 589 int error; 590 591 inp = (struct sctp_inpcb *)so->so_pcb; 592 if (inp == NULL) { 593 if (control) { 594 sctp_m_freem(control); 595 control = NULL; 596 } 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 sctp_m_freem(m); 599 return (EINVAL); 600 } 601 /* Got to have an to address if we are NOT a connected socket */ 602 if ((addr == NULL) && 603 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 604 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 605 goto connected_type; 606 } else if (addr == NULL) { 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 error = EDESTADDRREQ; 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 return (error); 615 } 616 #ifdef INET6 617 if (addr->sa_family != AF_INET) { 618 /* must be a v4 address! */ 619 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 620 sctp_m_freem(m); 621 if (control) { 622 sctp_m_freem(control); 623 control = NULL; 624 } 625 error = EDESTADDRREQ; 626 return (error); 627 } 628 #endif /* INET6 */ 629 connected_type: 630 /* now what about control */ 631 if (control) { 632 if (inp->control) { 633 sctp_m_freem(inp->control); 634 inp->control = NULL; 635 } 636 inp->control = control; 637 } 638 /* Place the data */ 639 if (inp->pkt) { 640 SCTP_BUF_NEXT(inp->pkt_last) = m; 641 inp->pkt_last = m; 642 } else { 643 inp->pkt_last = inp->pkt = m; 644 } 645 if ( 646 /* FreeBSD uses a flag passed */ 647 ((flags & PRUS_MORETOCOME) == 0) 648 ) { 649 /* 650 * note with the current version this code will only be used 651 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 652 * re-defining sosend to use the sctp_sosend. One can 653 * optionally switch back to this code (by changing back the 654 * definitions) but this is not advisable. This code is used 655 * by FreeBSD when sending a file with sendfile() though. 656 */ 657 int ret; 658 659 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 660 inp->pkt = NULL; 661 inp->control = NULL; 662 return (ret); 663 } else { 664 return (0); 665 } 666 } 667 668 int 669 sctp_disconnect(struct socket *so) 670 { 671 struct sctp_inpcb *inp; 672 673 inp = (struct sctp_inpcb *)so->so_pcb; 674 if (inp == NULL) { 675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 676 return (ENOTCONN); 677 } 678 SCTP_INP_RLOCK(inp); 679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 681 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 682 /* No connection */ 683 SCTP_INP_RUNLOCK(inp); 684 return (0); 685 } else { 686 struct sctp_association *asoc; 687 struct sctp_tcb *stcb; 688 689 stcb = LIST_FIRST(&inp->sctp_asoc_list); 690 if (stcb == NULL) { 691 SCTP_INP_RUNLOCK(inp); 692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 693 return (EINVAL); 694 } 695 SCTP_TCB_LOCK(stcb); 696 asoc = &stcb->asoc; 697 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 698 /* We are about to be freed, out of here */ 699 SCTP_TCB_UNLOCK(stcb); 700 SCTP_INP_RUNLOCK(inp); 701 return (0); 702 } 703 if (((so->so_options & SO_LINGER) && 704 (so->so_linger == 0)) || 705 (so->so_rcv.sb_cc > 0)) { 706 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 707 /* Left with Data unread */ 708 struct mbuf *op_err; 709 710 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 711 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 712 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 713 } 714 SCTP_INP_RUNLOCK(inp); 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 720 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 721 /* No unlock tcb assoc is gone */ 722 return (0); 723 } 724 if (TAILQ_EMPTY(&asoc->send_queue) && 725 TAILQ_EMPTY(&asoc->sent_queue) && 726 (asoc->stream_queue_cnt == 0)) { 727 /* there is nothing queued to send, so done */ 728 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 729 goto abort_anyway; 730 } 731 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 732 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 733 /* only send SHUTDOWN 1st time thru */ 734 struct sctp_nets *netp; 735 736 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 737 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 738 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 739 } 740 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 741 sctp_stop_timers_for_shutdown(stcb); 742 if (stcb->asoc.alternate) { 743 netp = stcb->asoc.alternate; 744 } else { 745 netp = stcb->asoc.primary_destination; 746 } 747 sctp_send_shutdown(stcb, netp); 748 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 749 stcb->sctp_ep, stcb, netp); 750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 751 stcb->sctp_ep, stcb, netp); 752 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 753 } 754 } else { 755 /* 756 * we still got (or just got) data to send, 757 * so set SHUTDOWN_PENDING 758 */ 759 /* 760 * XXX sockets draft says that SCTP_EOF 761 * should be sent with no data. currently, 762 * we will allow user data to be sent first 763 * and move to SHUTDOWN-PENDING 764 */ 765 struct sctp_nets *netp; 766 767 if (stcb->asoc.alternate) { 768 netp = stcb->asoc.alternate; 769 } else { 770 netp = stcb->asoc.primary_destination; 771 } 772 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 774 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 775 netp); 776 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 777 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 778 } 779 if (TAILQ_EMPTY(&asoc->send_queue) && 780 TAILQ_EMPTY(&asoc->sent_queue) && 781 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 782 struct mbuf *op_err; 783 784 abort_anyway: 785 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 786 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 787 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 788 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 789 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 790 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 791 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 792 } 793 SCTP_INP_RUNLOCK(inp); 794 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 795 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 796 return (0); 797 } else { 798 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 799 } 800 } 801 soisdisconnecting(so); 802 SCTP_TCB_UNLOCK(stcb); 803 SCTP_INP_RUNLOCK(inp); 804 return (0); 805 } 806 /* not reached */ 807 } else { 808 /* UDP model does not support this */ 809 SCTP_INP_RUNLOCK(inp); 810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 811 return (EOPNOTSUPP); 812 } 813 } 814 815 int 816 sctp_flush(struct socket *so, int how) 817 { 818 /* 819 * We will just clear out the values and let subsequent close clear 820 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 821 * they will not be able to read the data, the socket will block 822 * that from happening. 823 */ 824 struct sctp_inpcb *inp; 825 826 inp = (struct sctp_inpcb *)so->so_pcb; 827 if (inp == NULL) { 828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 829 return (EINVAL); 830 } 831 SCTP_INP_RLOCK(inp); 832 /* For the 1 to many model this does nothing */ 833 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 834 SCTP_INP_RUNLOCK(inp); 835 return (0); 836 } 837 SCTP_INP_RUNLOCK(inp); 838 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 839 /* 840 * First make sure the sb will be happy, we don't use these 841 * except maybe the count 842 */ 843 SCTP_INP_WLOCK(inp); 844 SCTP_INP_READ_LOCK(inp); 845 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 846 SCTP_INP_READ_UNLOCK(inp); 847 SCTP_INP_WUNLOCK(inp); 848 so->so_rcv.sb_cc = 0; 849 so->so_rcv.sb_mbcnt = 0; 850 so->so_rcv.sb_mb = NULL; 851 } 852 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 853 /* 854 * First make sure the sb will be happy, we don't use these 855 * except maybe the count 856 */ 857 so->so_snd.sb_cc = 0; 858 so->so_snd.sb_mbcnt = 0; 859 so->so_snd.sb_mb = NULL; 860 861 } 862 return (0); 863 } 864 865 int 866 sctp_shutdown(struct socket *so) 867 { 868 struct sctp_inpcb *inp; 869 870 inp = (struct sctp_inpcb *)so->so_pcb; 871 if (inp == NULL) { 872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 873 return (EINVAL); 874 } 875 SCTP_INP_RLOCK(inp); 876 /* For UDP model this is a invalid call */ 877 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 879 /* Restore the flags that the soshutdown took away. */ 880 SOCKBUF_LOCK(&so->so_rcv); 881 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 882 SOCKBUF_UNLOCK(&so->so_rcv); 883 /* This proc will wakeup for read and do nothing (I hope) */ 884 SCTP_INP_RUNLOCK(inp); 885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 886 return (EOPNOTSUPP); 887 } else { 888 /* 889 * Ok, if we reach here its the TCP model and it is either a 890 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 891 * against it. 892 */ 893 struct sctp_tcb *stcb; 894 struct sctp_association *asoc; 895 struct sctp_nets *netp; 896 897 if ((so->so_state & 898 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 899 SCTP_INP_RUNLOCK(inp); 900 return (ENOTCONN); 901 } 902 socantsendmore(so); 903 904 stcb = LIST_FIRST(&inp->sctp_asoc_list); 905 if (stcb == NULL) { 906 /* 907 * Ok, we hit the case that the shutdown call was 908 * made after an abort or something. Nothing to do 909 * now. 910 */ 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 SCTP_TCB_LOCK(stcb); 915 asoc = &stcb->asoc; 916 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 923 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 924 /* 925 * If we are not in or before ESTABLISHED, there is 926 * no protocol action required. 927 */ 928 SCTP_TCB_UNLOCK(stcb); 929 SCTP_INP_RUNLOCK(inp); 930 return (0); 931 } 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 sctp_abort_an_association(stcb->sctp_ep, stcb, 969 op_err, SCTP_SO_LOCKED); 970 SCTP_INP_RUNLOCK(inp); 971 return (0); 972 } 973 } 974 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 975 /* 976 * XXX: Why do this in the case where we have still data 977 * queued? 978 */ 979 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 980 SCTP_TCB_UNLOCK(stcb); 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 } 985 986 /* 987 * copies a "user" presentable address and removes embedded scope, etc. 988 * returns 0 on success, 1 on error 989 */ 990 static uint32_t 991 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 992 { 993 #ifdef INET6 994 struct sockaddr_in6 lsa6; 995 996 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 997 &lsa6); 998 #endif 999 memcpy(ss, sa, sa->sa_len); 1000 return (0); 1001 } 1002 1003 1004 1005 /* 1006 * NOTE: assumes addr lock is held 1007 */ 1008 static size_t 1009 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1010 struct sctp_tcb *stcb, 1011 size_t limit, 1012 struct sockaddr_storage *sas, 1013 uint32_t vrf_id) 1014 { 1015 struct sctp_ifn *sctp_ifn; 1016 struct sctp_ifa *sctp_ifa; 1017 size_t actual; 1018 int loopback_scope; 1019 #if defined(INET) 1020 int ipv4_local_scope, ipv4_addr_legal; 1021 #endif 1022 #if defined(INET6) 1023 int local_scope, site_scope, ipv6_addr_legal; 1024 #endif 1025 struct sctp_vrf *vrf; 1026 1027 actual = 0; 1028 if (limit <= 0) 1029 return (actual); 1030 1031 if (stcb) { 1032 /* Turn on all the appropriate scope */ 1033 loopback_scope = stcb->asoc.scope.loopback_scope; 1034 #if defined(INET) 1035 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1036 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1037 #endif 1038 #if defined(INET6) 1039 local_scope = stcb->asoc.scope.local_scope; 1040 site_scope = stcb->asoc.scope.site_scope; 1041 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1042 #endif 1043 } else { 1044 /* Use generic values for endpoints. */ 1045 loopback_scope = 1; 1046 #if defined(INET) 1047 ipv4_local_scope = 1; 1048 #endif 1049 #if defined(INET6) 1050 local_scope = 1; 1051 site_scope = 1; 1052 #endif 1053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1054 #if defined(INET6) 1055 ipv6_addr_legal = 1; 1056 #endif 1057 #if defined(INET) 1058 if (SCTP_IPV6_V6ONLY(inp)) { 1059 ipv4_addr_legal = 0; 1060 } else { 1061 ipv4_addr_legal = 1; 1062 } 1063 #endif 1064 } else { 1065 #if defined(INET6) 1066 ipv6_addr_legal = 0; 1067 #endif 1068 #if defined(INET) 1069 ipv4_addr_legal = 1; 1070 #endif 1071 } 1072 } 1073 vrf = sctp_find_vrf(vrf_id); 1074 if (vrf == NULL) { 1075 return (0); 1076 } 1077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1078 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1079 if ((loopback_scope == 0) && 1080 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1081 /* Skip loopback if loopback_scope not set */ 1082 continue; 1083 } 1084 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1085 if (stcb) { 1086 /* 1087 * For the BOUND-ALL case, the list 1088 * associated with a TCB is Always 1089 * considered a reverse list.. i.e. 1090 * it lists addresses that are NOT 1091 * part of the association. If this 1092 * is one of those we must skip it. 1093 */ 1094 if (sctp_is_addr_restricted(stcb, 1095 sctp_ifa)) { 1096 continue; 1097 } 1098 } 1099 switch (sctp_ifa->address.sa.sa_family) { 1100 #ifdef INET 1101 case AF_INET: 1102 if (ipv4_addr_legal) { 1103 struct sockaddr_in *sin; 1104 1105 sin = &sctp_ifa->address.sin; 1106 if (sin->sin_addr.s_addr == 0) { 1107 /* 1108 * we skip 1109 * unspecifed 1110 * addresses 1111 */ 1112 continue; 1113 } 1114 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1115 &sin->sin_addr) != 0) { 1116 continue; 1117 } 1118 if ((ipv4_local_scope == 0) && 1119 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1120 continue; 1121 } 1122 #ifdef INET6 1123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1124 if (actual + sizeof(struct sockaddr_in6) > limit) { 1125 return (actual); 1126 } 1127 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1128 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1129 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1130 actual += sizeof(struct sockaddr_in6); 1131 } else { 1132 #endif 1133 if (actual + sizeof(struct sockaddr_in) > limit) { 1134 return (actual); 1135 } 1136 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1137 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1138 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1139 actual += sizeof(struct sockaddr_in); 1140 #ifdef INET6 1141 } 1142 #endif 1143 } else { 1144 continue; 1145 } 1146 break; 1147 #endif 1148 #ifdef INET6 1149 case AF_INET6: 1150 if (ipv6_addr_legal) { 1151 struct sockaddr_in6 *sin6; 1152 1153 sin6 = &sctp_ifa->address.sin6; 1154 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1155 /* 1156 * we skip 1157 * unspecifed 1158 * addresses 1159 */ 1160 continue; 1161 } 1162 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1163 &sin6->sin6_addr) != 0) { 1164 continue; 1165 } 1166 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1167 if (local_scope == 0) 1168 continue; 1169 if (sin6->sin6_scope_id == 0) { 1170 if (sa6_recoverscope(sin6) != 0) 1171 /* 1172 * 1173 * bad 1174 * link 1175 * 1176 * local 1177 * 1178 * address 1179 */ 1180 continue; 1181 } 1182 } 1183 if ((site_scope == 0) && 1184 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1185 continue; 1186 } 1187 if (actual + sizeof(struct sockaddr_in6) > limit) { 1188 return (actual); 1189 } 1190 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1191 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1192 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1193 actual += sizeof(struct sockaddr_in6); 1194 } else { 1195 continue; 1196 } 1197 break; 1198 #endif 1199 default: 1200 /* TSNH */ 1201 break; 1202 } 1203 } 1204 } 1205 } else { 1206 struct sctp_laddr *laddr; 1207 size_t sa_len; 1208 1209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1210 if (stcb) { 1211 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1212 continue; 1213 } 1214 } 1215 sa_len = laddr->ifa->address.sa.sa_len; 1216 if (actual + sa_len > limit) { 1217 return (actual); 1218 } 1219 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1220 continue; 1221 switch (laddr->ifa->address.sa.sa_family) { 1222 #ifdef INET 1223 case AF_INET: 1224 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 default: 1233 /* TSNH */ 1234 break; 1235 } 1236 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1237 actual += sa_len; 1238 } 1239 } 1240 return (actual); 1241 } 1242 1243 static size_t 1244 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1245 struct sctp_tcb *stcb, 1246 size_t limit, 1247 struct sockaddr_storage *sas) 1248 { 1249 size_t size = 0; 1250 1251 SCTP_IPI_ADDR_RLOCK(); 1252 /* fill up addresses for the endpoint's default vrf */ 1253 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1254 inp->def_vrf_id); 1255 SCTP_IPI_ADDR_RUNLOCK(); 1256 return (size); 1257 } 1258 1259 /* 1260 * NOTE: assumes addr lock is held 1261 */ 1262 static int 1263 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1264 { 1265 int cnt = 0; 1266 struct sctp_vrf *vrf = NULL; 1267 1268 /* 1269 * In both sub-set bound an bound_all cases we return the MAXIMUM 1270 * number of addresses that you COULD get. In reality the sub-set 1271 * bound may have an exclusion list for a given TCB OR in the 1272 * bound-all case a TCB may NOT include the loopback or other 1273 * addresses as well. 1274 */ 1275 vrf = sctp_find_vrf(vrf_id); 1276 if (vrf == NULL) { 1277 return (0); 1278 } 1279 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1280 struct sctp_ifn *sctp_ifn; 1281 struct sctp_ifa *sctp_ifa; 1282 1283 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1284 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1285 /* Count them if they are the right type */ 1286 switch (sctp_ifa->address.sa.sa_family) { 1287 #ifdef INET 1288 case AF_INET: 1289 #ifdef INET6 1290 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1291 cnt += sizeof(struct sockaddr_in6); 1292 else 1293 cnt += sizeof(struct sockaddr_in); 1294 #else 1295 cnt += sizeof(struct sockaddr_in); 1296 #endif 1297 break; 1298 #endif 1299 #ifdef INET6 1300 case AF_INET6: 1301 cnt += sizeof(struct sockaddr_in6); 1302 break; 1303 #endif 1304 default: 1305 break; 1306 } 1307 } 1308 } 1309 } else { 1310 struct sctp_laddr *laddr; 1311 1312 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1313 switch (laddr->ifa->address.sa.sa_family) { 1314 #ifdef INET 1315 case AF_INET: 1316 #ifdef INET6 1317 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1318 cnt += sizeof(struct sockaddr_in6); 1319 else 1320 cnt += sizeof(struct sockaddr_in); 1321 #else 1322 cnt += sizeof(struct sockaddr_in); 1323 #endif 1324 break; 1325 #endif 1326 #ifdef INET6 1327 case AF_INET6: 1328 cnt += sizeof(struct sockaddr_in6); 1329 break; 1330 #endif 1331 default: 1332 break; 1333 } 1334 } 1335 } 1336 return (cnt); 1337 } 1338 1339 static int 1340 sctp_count_max_addresses(struct sctp_inpcb *inp) 1341 { 1342 int cnt = 0; 1343 1344 SCTP_IPI_ADDR_RLOCK(); 1345 /* count addresses for the endpoint's default VRF */ 1346 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1347 SCTP_IPI_ADDR_RUNLOCK(); 1348 return (cnt); 1349 } 1350 1351 static int 1352 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1353 size_t optsize, void *p, int delay) 1354 { 1355 int error; 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 struct in6pcb *inp6; 1416 1417 inp6 = (struct in6pcb *)inp; 1418 if (SCTP_IPV6_V6ONLY(inp6)) { 1419 /* 1420 * if IPV6_V6ONLY flag, ignore connections destined 1421 * to a v4 addr or v4-mapped addr 1422 */ 1423 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1424 error = EINVAL; 1425 goto out_now; 1426 } 1427 } 1428 #endif /* INET6 */ 1429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1430 SCTP_PCB_FLAGS_UNBOUND) { 1431 /* Bind a ephemeral port */ 1432 error = sctp_inpcb_bind(so, NULL, NULL, p); 1433 if (error) { 1434 goto out_now; 1435 } 1436 } 1437 1438 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1439 vrf_id = inp->def_vrf_id; 1440 1441 1442 /* We are GOOD to go */ 1443 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1444 inp->sctp_ep.pre_open_stream_count, 1445 inp->sctp_ep.port, 1446 (struct thread *)p 1447 ); 1448 if (stcb == NULL) { 1449 /* Gak! no memory */ 1450 goto out_now; 1451 } 1452 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1453 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1454 /* Set the connected flag so we can queue data */ 1455 soisconnecting(so); 1456 } 1457 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1458 /* move to second address */ 1459 switch (sa->sa_family) { 1460 #ifdef INET 1461 case AF_INET: 1462 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1463 break; 1464 #endif 1465 #ifdef INET6 1466 case AF_INET6: 1467 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1468 break; 1469 #endif 1470 default: 1471 break; 1472 } 1473 1474 error = 0; 1475 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1476 /* Fill in the return id */ 1477 if (error) { 1478 goto out_now; 1479 } 1480 a_id = (sctp_assoc_t *)optval; 1481 *a_id = sctp_get_associd(stcb); 1482 1483 /* initialize authentication parameters for the assoc */ 1484 sctp_initialize_auth_params(inp, stcb); 1485 1486 if (delay) { 1487 /* doing delayed connection */ 1488 stcb->asoc.delayed_connection = 1; 1489 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1490 } else { 1491 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1492 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1493 } 1494 SCTP_TCB_UNLOCK(stcb); 1495 out_now: 1496 if (creat_lock_on) { 1497 SCTP_ASOC_CREATE_UNLOCK(inp); 1498 } 1499 SCTP_INP_DECR_REF(inp); 1500 return (error); 1501 } 1502 1503 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1506 SCTP_INP_RLOCK(inp); \ 1507 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1508 if (stcb) { \ 1509 SCTP_TCB_LOCK(stcb); \ 1510 } \ 1511 SCTP_INP_RUNLOCK(inp); \ 1512 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1513 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1514 if (stcb == NULL) { \ 1515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1516 error = ENOENT; \ 1517 break; \ 1518 } \ 1519 } else { \ 1520 stcb = NULL; \ 1521 } \ 1522 } 1523 1524 1525 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1526 if (size < sizeof(type)) { \ 1527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1528 error = EINVAL; \ 1529 break; \ 1530 } else { \ 1531 destp = (type *)srcp; \ 1532 } \ 1533 } 1534 1535 static int 1536 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1537 void *p) 1538 { 1539 struct sctp_inpcb *inp = NULL; 1540 int error, val = 0; 1541 struct sctp_tcb *stcb = NULL; 1542 1543 if (optval == NULL) { 1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1545 return (EINVAL); 1546 } 1547 1548 inp = (struct sctp_inpcb *)so->so_pcb; 1549 if (inp == NULL) { 1550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1551 return EINVAL; 1552 } 1553 error = 0; 1554 1555 switch (optname) { 1556 case SCTP_NODELAY: 1557 case SCTP_AUTOCLOSE: 1558 case SCTP_EXPLICIT_EOR: 1559 case SCTP_AUTO_ASCONF: 1560 case SCTP_DISABLE_FRAGMENTS: 1561 case SCTP_I_WANT_MAPPED_V4_ADDR: 1562 case SCTP_USE_EXT_RCVINFO: 1563 SCTP_INP_RLOCK(inp); 1564 switch (optname) { 1565 case SCTP_DISABLE_FRAGMENTS: 1566 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1567 break; 1568 case SCTP_I_WANT_MAPPED_V4_ADDR: 1569 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1570 break; 1571 case SCTP_AUTO_ASCONF: 1572 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1573 /* only valid for bound all sockets */ 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1575 } else { 1576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1577 error = EINVAL; 1578 goto flags_out; 1579 } 1580 break; 1581 case SCTP_EXPLICIT_EOR: 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1583 break; 1584 case SCTP_NODELAY: 1585 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1586 break; 1587 case SCTP_USE_EXT_RCVINFO: 1588 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1589 break; 1590 case SCTP_AUTOCLOSE: 1591 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1592 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1593 else 1594 val = 0; 1595 break; 1596 1597 default: 1598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1599 error = ENOPROTOOPT; 1600 } /* end switch (sopt->sopt_name) */ 1601 if (*optsize < sizeof(val)) { 1602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1603 error = EINVAL; 1604 } 1605 flags_out: 1606 SCTP_INP_RUNLOCK(inp); 1607 if (error == 0) { 1608 /* return the option value */ 1609 *(int *)optval = val; 1610 *optsize = sizeof(val); 1611 } 1612 break; 1613 case SCTP_GET_PACKET_LOG: 1614 { 1615 #ifdef SCTP_PACKET_LOGGING 1616 uint8_t *target; 1617 int ret; 1618 1619 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1620 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1621 *optsize = ret; 1622 #else 1623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1624 error = EOPNOTSUPP; 1625 #endif 1626 break; 1627 } 1628 case SCTP_REUSE_PORT: 1629 { 1630 uint32_t *value; 1631 1632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1633 /* Can't do this for a 1-m socket */ 1634 error = EINVAL; 1635 break; 1636 } 1637 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1638 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1639 *optsize = sizeof(uint32_t); 1640 break; 1641 } 1642 case SCTP_PARTIAL_DELIVERY_POINT: 1643 { 1644 uint32_t *value; 1645 1646 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1647 *value = inp->partial_delivery_point; 1648 *optsize = sizeof(uint32_t); 1649 break; 1650 } 1651 case SCTP_FRAGMENT_INTERLEAVE: 1652 { 1653 uint32_t *value; 1654 1655 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1656 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1657 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1658 *value = SCTP_FRAG_LEVEL_2; 1659 } else { 1660 *value = SCTP_FRAG_LEVEL_1; 1661 } 1662 } else { 1663 *value = SCTP_FRAG_LEVEL_0; 1664 } 1665 *optsize = sizeof(uint32_t); 1666 break; 1667 } 1668 case SCTP_INTERLEAVING_SUPPORTED: 1669 { 1670 struct sctp_assoc_value *av; 1671 1672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1673 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1674 1675 if (stcb) { 1676 av->assoc_value = stcb->asoc.idata_supported; 1677 SCTP_TCB_UNLOCK(stcb); 1678 } else { 1679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1681 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1682 SCTP_INP_RLOCK(inp); 1683 if (inp->idata_supported) { 1684 av->assoc_value = 1; 1685 } else { 1686 av->assoc_value = 0; 1687 } 1688 SCTP_INP_RUNLOCK(inp); 1689 } else { 1690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1691 error = EINVAL; 1692 } 1693 } 1694 if (error == 0) { 1695 *optsize = sizeof(struct sctp_assoc_value); 1696 } 1697 break; 1698 } 1699 case SCTP_CMT_ON_OFF: 1700 { 1701 struct sctp_assoc_value *av; 1702 1703 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1704 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1705 if (stcb) { 1706 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1707 SCTP_TCB_UNLOCK(stcb); 1708 } else { 1709 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1710 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1711 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1712 SCTP_INP_RLOCK(inp); 1713 av->assoc_value = inp->sctp_cmt_on_off; 1714 SCTP_INP_RUNLOCK(inp); 1715 } else { 1716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1717 error = EINVAL; 1718 } 1719 } 1720 if (error == 0) { 1721 *optsize = sizeof(struct sctp_assoc_value); 1722 } 1723 break; 1724 } 1725 case SCTP_PLUGGABLE_CC: 1726 { 1727 struct sctp_assoc_value *av; 1728 1729 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1730 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1731 if (stcb) { 1732 av->assoc_value = stcb->asoc.congestion_control_module; 1733 SCTP_TCB_UNLOCK(stcb); 1734 } else { 1735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1737 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1738 SCTP_INP_RLOCK(inp); 1739 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1740 SCTP_INP_RUNLOCK(inp); 1741 } else { 1742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1743 error = EINVAL; 1744 } 1745 } 1746 if (error == 0) { 1747 *optsize = sizeof(struct sctp_assoc_value); 1748 } 1749 break; 1750 } 1751 case SCTP_CC_OPTION: 1752 { 1753 struct sctp_cc_option *cc_opt; 1754 1755 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1756 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1757 if (stcb == NULL) { 1758 error = EINVAL; 1759 } else { 1760 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1761 error = ENOTSUP; 1762 } else { 1763 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1764 *optsize = sizeof(struct sctp_cc_option); 1765 } 1766 SCTP_TCB_UNLOCK(stcb); 1767 } 1768 break; 1769 } 1770 case SCTP_PLUGGABLE_SS: 1771 { 1772 struct sctp_assoc_value *av; 1773 1774 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1775 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1776 if (stcb) { 1777 av->assoc_value = stcb->asoc.stream_scheduling_module; 1778 SCTP_TCB_UNLOCK(stcb); 1779 } else { 1780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1781 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1782 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1783 SCTP_INP_RLOCK(inp); 1784 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1785 SCTP_INP_RUNLOCK(inp); 1786 } else { 1787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1788 error = EINVAL; 1789 } 1790 } 1791 if (error == 0) { 1792 *optsize = sizeof(struct sctp_assoc_value); 1793 } 1794 break; 1795 } 1796 case SCTP_SS_VALUE: 1797 { 1798 struct sctp_stream_value *av; 1799 1800 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1801 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1802 if (stcb) { 1803 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1804 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1805 &av->stream_value) < 0)) { 1806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1807 error = EINVAL; 1808 } else { 1809 *optsize = sizeof(struct sctp_stream_value); 1810 } 1811 SCTP_TCB_UNLOCK(stcb); 1812 } else { 1813 /* 1814 * Can't get stream value without 1815 * association 1816 */ 1817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1818 error = EINVAL; 1819 } 1820 break; 1821 } 1822 case SCTP_GET_ADDR_LEN: 1823 { 1824 struct sctp_assoc_value *av; 1825 1826 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1827 error = EINVAL; 1828 #ifdef INET 1829 if (av->assoc_value == AF_INET) { 1830 av->assoc_value = sizeof(struct sockaddr_in); 1831 error = 0; 1832 } 1833 #endif 1834 #ifdef INET6 1835 if (av->assoc_value == AF_INET6) { 1836 av->assoc_value = sizeof(struct sockaddr_in6); 1837 error = 0; 1838 } 1839 #endif 1840 if (error) { 1841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1842 } else { 1843 *optsize = sizeof(struct sctp_assoc_value); 1844 } 1845 break; 1846 } 1847 case SCTP_GET_ASSOC_NUMBER: 1848 { 1849 uint32_t *value, cnt; 1850 1851 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1852 SCTP_INP_RLOCK(inp); 1853 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1854 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1855 /* Can't do this for a 1-1 socket */ 1856 error = EINVAL; 1857 SCTP_INP_RUNLOCK(inp); 1858 break; 1859 } 1860 cnt = 0; 1861 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1862 cnt++; 1863 } 1864 SCTP_INP_RUNLOCK(inp); 1865 *value = cnt; 1866 *optsize = sizeof(uint32_t); 1867 break; 1868 } 1869 case SCTP_GET_ASSOC_ID_LIST: 1870 { 1871 struct sctp_assoc_ids *ids; 1872 uint32_t at; 1873 size_t limit; 1874 1875 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1876 SCTP_INP_RLOCK(inp); 1877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1879 /* Can't do this for a 1-1 socket */ 1880 error = EINVAL; 1881 SCTP_INP_RUNLOCK(inp); 1882 break; 1883 } 1884 at = 0; 1885 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1886 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1887 if (at < limit) { 1888 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1889 if (at == 0) { 1890 error = EINVAL; 1891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1892 break; 1893 } 1894 } else { 1895 error = EINVAL; 1896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1897 break; 1898 } 1899 } 1900 SCTP_INP_RUNLOCK(inp); 1901 if (error == 0) { 1902 ids->gaids_number_of_ids = at; 1903 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1904 } 1905 break; 1906 } 1907 case SCTP_CONTEXT: 1908 { 1909 struct sctp_assoc_value *av; 1910 1911 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1913 1914 if (stcb) { 1915 av->assoc_value = stcb->asoc.context; 1916 SCTP_TCB_UNLOCK(stcb); 1917 } else { 1918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1920 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1921 SCTP_INP_RLOCK(inp); 1922 av->assoc_value = inp->sctp_context; 1923 SCTP_INP_RUNLOCK(inp); 1924 } else { 1925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1926 error = EINVAL; 1927 } 1928 } 1929 if (error == 0) { 1930 *optsize = sizeof(struct sctp_assoc_value); 1931 } 1932 break; 1933 } 1934 case SCTP_VRF_ID: 1935 { 1936 uint32_t *default_vrfid; 1937 1938 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1939 *default_vrfid = inp->def_vrf_id; 1940 *optsize = sizeof(uint32_t); 1941 break; 1942 } 1943 case SCTP_GET_ASOC_VRF: 1944 { 1945 struct sctp_assoc_value *id; 1946 1947 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1948 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1949 if (stcb == NULL) { 1950 error = EINVAL; 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1952 } else { 1953 id->assoc_value = stcb->asoc.vrf_id; 1954 SCTP_TCB_UNLOCK(stcb); 1955 *optsize = sizeof(struct sctp_assoc_value); 1956 } 1957 break; 1958 } 1959 case SCTP_GET_VRF_IDS: 1960 { 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1962 error = EOPNOTSUPP; 1963 break; 1964 } 1965 case SCTP_GET_NONCE_VALUES: 1966 { 1967 struct sctp_get_nonce_values *gnv; 1968 1969 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1970 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1971 1972 if (stcb) { 1973 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1974 gnv->gn_local_tag = stcb->asoc.my_vtag; 1975 SCTP_TCB_UNLOCK(stcb); 1976 *optsize = sizeof(struct sctp_get_nonce_values); 1977 } else { 1978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1979 error = ENOTCONN; 1980 } 1981 break; 1982 } 1983 case SCTP_DELAYED_SACK: 1984 { 1985 struct sctp_sack_info *sack; 1986 1987 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1988 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1989 if (stcb) { 1990 sack->sack_delay = stcb->asoc.delayed_ack; 1991 sack->sack_freq = stcb->asoc.sack_freq; 1992 SCTP_TCB_UNLOCK(stcb); 1993 } else { 1994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1996 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 1997 SCTP_INP_RLOCK(inp); 1998 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1999 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2000 SCTP_INP_RUNLOCK(inp); 2001 } else { 2002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2003 error = EINVAL; 2004 } 2005 } 2006 if (error == 0) { 2007 *optsize = sizeof(struct sctp_sack_info); 2008 } 2009 break; 2010 } 2011 case SCTP_GET_SNDBUF_USE: 2012 { 2013 struct sctp_sockstat *ss; 2014 2015 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2016 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2017 2018 if (stcb) { 2019 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2020 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2021 stcb->asoc.size_on_all_streams); 2022 SCTP_TCB_UNLOCK(stcb); 2023 *optsize = sizeof(struct sctp_sockstat); 2024 } else { 2025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2026 error = ENOTCONN; 2027 } 2028 break; 2029 } 2030 case SCTP_MAX_BURST: 2031 { 2032 struct sctp_assoc_value *av; 2033 2034 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2035 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2036 2037 if (stcb) { 2038 av->assoc_value = stcb->asoc.max_burst; 2039 SCTP_TCB_UNLOCK(stcb); 2040 } else { 2041 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2042 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2043 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2044 SCTP_INP_RLOCK(inp); 2045 av->assoc_value = inp->sctp_ep.max_burst; 2046 SCTP_INP_RUNLOCK(inp); 2047 } else { 2048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2049 error = EINVAL; 2050 } 2051 } 2052 if (error == 0) { 2053 *optsize = sizeof(struct sctp_assoc_value); 2054 } 2055 break; 2056 } 2057 case SCTP_MAXSEG: 2058 { 2059 struct sctp_assoc_value *av; 2060 int ovh; 2061 2062 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2063 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2064 2065 if (stcb) { 2066 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2067 SCTP_TCB_UNLOCK(stcb); 2068 } else { 2069 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2070 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2071 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2072 SCTP_INP_RLOCK(inp); 2073 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2074 ovh = SCTP_MED_OVERHEAD; 2075 } else { 2076 ovh = SCTP_MED_V4_OVERHEAD; 2077 } 2078 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2079 av->assoc_value = 0; 2080 else 2081 av->assoc_value = inp->sctp_frag_point - ovh; 2082 SCTP_INP_RUNLOCK(inp); 2083 } else { 2084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2085 error = EINVAL; 2086 } 2087 } 2088 if (error == 0) { 2089 *optsize = sizeof(struct sctp_assoc_value); 2090 } 2091 break; 2092 } 2093 case SCTP_GET_STAT_LOG: 2094 error = sctp_fill_stat_log(optval, optsize); 2095 break; 2096 case SCTP_EVENTS: 2097 { 2098 struct sctp_event_subscribe *events; 2099 2100 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2101 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2102 SCTP_INP_RLOCK(inp); 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2104 events->sctp_data_io_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2107 events->sctp_association_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2110 events->sctp_address_event = 1; 2111 2112 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2113 events->sctp_send_failure_event = 1; 2114 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2116 events->sctp_peer_error_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2119 events->sctp_shutdown_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2122 events->sctp_partial_delivery_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2125 events->sctp_adaptation_layer_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2128 events->sctp_authentication_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2131 events->sctp_sender_dry_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2134 events->sctp_stream_reset_event = 1; 2135 SCTP_INP_RUNLOCK(inp); 2136 *optsize = sizeof(struct sctp_event_subscribe); 2137 break; 2138 } 2139 case SCTP_ADAPTATION_LAYER: 2140 { 2141 uint32_t *value; 2142 2143 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2144 2145 SCTP_INP_RLOCK(inp); 2146 *value = inp->sctp_ep.adaptation_layer_indicator; 2147 SCTP_INP_RUNLOCK(inp); 2148 *optsize = sizeof(uint32_t); 2149 break; 2150 } 2151 case SCTP_SET_INITIAL_DBG_SEQ: 2152 { 2153 uint32_t *value; 2154 2155 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2156 SCTP_INP_RLOCK(inp); 2157 *value = inp->sctp_ep.initial_sequence_debug; 2158 SCTP_INP_RUNLOCK(inp); 2159 *optsize = sizeof(uint32_t); 2160 break; 2161 } 2162 case SCTP_GET_LOCAL_ADDR_SIZE: 2163 { 2164 uint32_t *value; 2165 2166 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2167 SCTP_INP_RLOCK(inp); 2168 *value = sctp_count_max_addresses(inp); 2169 SCTP_INP_RUNLOCK(inp); 2170 *optsize = sizeof(uint32_t); 2171 break; 2172 } 2173 case SCTP_GET_REMOTE_ADDR_SIZE: 2174 { 2175 uint32_t *value; 2176 size_t size; 2177 struct sctp_nets *net; 2178 2179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2180 /* FIXME MT: change to sctp_assoc_value? */ 2181 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2182 2183 if (stcb) { 2184 size = 0; 2185 /* Count the sizes */ 2186 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2187 switch (net->ro._l_addr.sa.sa_family) { 2188 #ifdef INET 2189 case AF_INET: 2190 #ifdef INET6 2191 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2192 size += sizeof(struct sockaddr_in6); 2193 } else { 2194 size += sizeof(struct sockaddr_in); 2195 } 2196 #else 2197 size += sizeof(struct sockaddr_in); 2198 #endif 2199 break; 2200 #endif 2201 #ifdef INET6 2202 case AF_INET6: 2203 size += sizeof(struct sockaddr_in6); 2204 break; 2205 #endif 2206 default: 2207 break; 2208 } 2209 } 2210 SCTP_TCB_UNLOCK(stcb); 2211 *value = (uint32_t)size; 2212 *optsize = sizeof(uint32_t); 2213 } else { 2214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2215 error = ENOTCONN; 2216 } 2217 break; 2218 } 2219 case SCTP_GET_PEER_ADDRESSES: 2220 /* 2221 * Get the address information, an array is passed in to 2222 * fill up we pack it. 2223 */ 2224 { 2225 size_t cpsz, left; 2226 struct sockaddr_storage *sas; 2227 struct sctp_nets *net; 2228 struct sctp_getaddresses *saddr; 2229 2230 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2231 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2232 2233 if (stcb) { 2234 left = (*optsize) - sizeof(sctp_assoc_t); 2235 *optsize = sizeof(sctp_assoc_t); 2236 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2237 2238 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2239 switch (net->ro._l_addr.sa.sa_family) { 2240 #ifdef INET 2241 case AF_INET: 2242 #ifdef INET6 2243 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2244 cpsz = sizeof(struct sockaddr_in6); 2245 } else { 2246 cpsz = sizeof(struct sockaddr_in); 2247 } 2248 #else 2249 cpsz = sizeof(struct sockaddr_in); 2250 #endif 2251 break; 2252 #endif 2253 #ifdef INET6 2254 case AF_INET6: 2255 cpsz = sizeof(struct sockaddr_in6); 2256 break; 2257 #endif 2258 default: 2259 cpsz = 0; 2260 break; 2261 } 2262 if (cpsz == 0) { 2263 break; 2264 } 2265 if (left < cpsz) { 2266 /* not enough room. */ 2267 break; 2268 } 2269 #if defined(INET) && defined(INET6) 2270 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2271 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2272 /* Must map the address */ 2273 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2274 (struct sockaddr_in6 *)sas); 2275 } else { 2276 memcpy(sas, &net->ro._l_addr, cpsz); 2277 } 2278 #else 2279 memcpy(sas, &net->ro._l_addr, cpsz); 2280 #endif 2281 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2282 2283 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2284 left -= cpsz; 2285 *optsize += cpsz; 2286 } 2287 SCTP_TCB_UNLOCK(stcb); 2288 } else { 2289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2290 error = ENOENT; 2291 } 2292 break; 2293 } 2294 case SCTP_GET_LOCAL_ADDRESSES: 2295 { 2296 size_t limit, actual; 2297 struct sockaddr_storage *sas; 2298 struct sctp_getaddresses *saddr; 2299 2300 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2301 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2302 2303 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2304 limit = *optsize - sizeof(sctp_assoc_t); 2305 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2306 if (stcb) { 2307 SCTP_TCB_UNLOCK(stcb); 2308 } 2309 *optsize = sizeof(sctp_assoc_t) + actual; 2310 break; 2311 } 2312 case SCTP_PEER_ADDR_PARAMS: 2313 { 2314 struct sctp_paddrparams *paddrp; 2315 struct sctp_nets *net; 2316 struct sockaddr *addr; 2317 #if defined(INET) && defined(INET6) 2318 struct sockaddr_in sin_store; 2319 #endif 2320 2321 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2322 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2323 2324 #if defined(INET) && defined(INET6) 2325 if (paddrp->spp_address.ss_family == AF_INET6) { 2326 struct sockaddr_in6 *sin6; 2327 2328 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2329 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2330 in6_sin6_2_sin(&sin_store, sin6); 2331 addr = (struct sockaddr *)&sin_store; 2332 } else { 2333 addr = (struct sockaddr *)&paddrp->spp_address; 2334 } 2335 } else { 2336 addr = (struct sockaddr *)&paddrp->spp_address; 2337 } 2338 #else 2339 addr = (struct sockaddr *)&paddrp->spp_address; 2340 #endif 2341 if (stcb != NULL) { 2342 net = sctp_findnet(stcb, addr); 2343 } else { 2344 /* 2345 * We increment here since 2346 * sctp_findassociation_ep_addr() wil do a 2347 * decrement if it finds the stcb as long as 2348 * the locked tcb (last argument) is NOT a 2349 * TCB.. aka NULL. 2350 */ 2351 net = NULL; 2352 SCTP_INP_INCR_REF(inp); 2353 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2354 if (stcb == NULL) { 2355 SCTP_INP_DECR_REF(inp); 2356 } 2357 } 2358 if ((stcb != NULL) && (net == NULL)) { 2359 #ifdef INET 2360 if (addr->sa_family == AF_INET) { 2361 struct sockaddr_in *sin; 2362 2363 sin = (struct sockaddr_in *)addr; 2364 if (sin->sin_addr.s_addr != INADDR_ANY) { 2365 error = EINVAL; 2366 SCTP_TCB_UNLOCK(stcb); 2367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2368 break; 2369 } 2370 } else 2371 #endif 2372 #ifdef INET6 2373 if (addr->sa_family == AF_INET6) { 2374 struct sockaddr_in6 *sin6; 2375 2376 sin6 = (struct sockaddr_in6 *)addr; 2377 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2378 error = EINVAL; 2379 SCTP_TCB_UNLOCK(stcb); 2380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2381 break; 2382 } 2383 } else 2384 #endif 2385 { 2386 error = EAFNOSUPPORT; 2387 SCTP_TCB_UNLOCK(stcb); 2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2389 break; 2390 } 2391 } 2392 2393 if (stcb != NULL) { 2394 /* Applies to the specific association */ 2395 paddrp->spp_flags = 0; 2396 if (net != NULL) { 2397 paddrp->spp_hbinterval = net->heart_beat_delay; 2398 paddrp->spp_pathmaxrxt = net->failure_threshold; 2399 paddrp->spp_pathmtu = net->mtu; 2400 switch (net->ro._l_addr.sa.sa_family) { 2401 #ifdef INET 2402 case AF_INET: 2403 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2404 break; 2405 #endif 2406 #ifdef INET6 2407 case AF_INET6: 2408 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2409 break; 2410 #endif 2411 default: 2412 break; 2413 } 2414 /* get flags for HB */ 2415 if (net->dest_state & SCTP_ADDR_NOHB) { 2416 paddrp->spp_flags |= SPP_HB_DISABLE; 2417 } else { 2418 paddrp->spp_flags |= SPP_HB_ENABLE; 2419 } 2420 /* get flags for PMTU */ 2421 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2422 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2423 } else { 2424 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2425 } 2426 if (net->dscp & 0x01) { 2427 paddrp->spp_dscp = net->dscp & 0xfc; 2428 paddrp->spp_flags |= SPP_DSCP; 2429 } 2430 #ifdef INET6 2431 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2432 (net->flowlabel & 0x80000000)) { 2433 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2434 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2435 } 2436 #endif 2437 } else { 2438 /* 2439 * No destination so return default 2440 * value 2441 */ 2442 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2443 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2444 if (stcb->asoc.default_dscp & 0x01) { 2445 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2446 paddrp->spp_flags |= SPP_DSCP; 2447 } 2448 #ifdef INET6 2449 if (stcb->asoc.default_flowlabel & 0x80000000) { 2450 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2451 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2452 } 2453 #endif 2454 /* default settings should be these */ 2455 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2456 paddrp->spp_flags |= SPP_HB_DISABLE; 2457 } else { 2458 paddrp->spp_flags |= SPP_HB_ENABLE; 2459 } 2460 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2461 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2464 } 2465 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2466 } 2467 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2468 SCTP_TCB_UNLOCK(stcb); 2469 } else { 2470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2472 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2473 /* Use endpoint defaults */ 2474 SCTP_INP_RLOCK(inp); 2475 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2476 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2477 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2478 /* get inp's default */ 2479 if (inp->sctp_ep.default_dscp & 0x01) { 2480 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2481 paddrp->spp_flags |= SPP_DSCP; 2482 } 2483 #ifdef INET6 2484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2485 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2486 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2487 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2488 } 2489 #endif 2490 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2491 2492 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_ENABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } 2502 SCTP_INP_RUNLOCK(inp); 2503 } else { 2504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2505 error = EINVAL; 2506 } 2507 } 2508 if (error == 0) { 2509 *optsize = sizeof(struct sctp_paddrparams); 2510 } 2511 break; 2512 } 2513 case SCTP_GET_PEER_ADDR_INFO: 2514 { 2515 struct sctp_paddrinfo *paddri; 2516 struct sctp_nets *net; 2517 struct sockaddr *addr; 2518 #if defined(INET) && defined(INET6) 2519 struct sockaddr_in sin_store; 2520 #endif 2521 2522 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2523 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2524 2525 #if defined(INET) && defined(INET6) 2526 if (paddri->spinfo_address.ss_family == AF_INET6) { 2527 struct sockaddr_in6 *sin6; 2528 2529 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2530 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2531 in6_sin6_2_sin(&sin_store, sin6); 2532 addr = (struct sockaddr *)&sin_store; 2533 } else { 2534 addr = (struct sockaddr *)&paddri->spinfo_address; 2535 } 2536 } else { 2537 addr = (struct sockaddr *)&paddri->spinfo_address; 2538 } 2539 #else 2540 addr = (struct sockaddr *)&paddri->spinfo_address; 2541 #endif 2542 if (stcb != NULL) { 2543 net = sctp_findnet(stcb, addr); 2544 } else { 2545 /* 2546 * We increment here since 2547 * sctp_findassociation_ep_addr() wil do a 2548 * decrement if it finds the stcb as long as 2549 * the locked tcb (last argument) is NOT a 2550 * TCB.. aka NULL. 2551 */ 2552 net = NULL; 2553 SCTP_INP_INCR_REF(inp); 2554 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2555 if (stcb == NULL) { 2556 SCTP_INP_DECR_REF(inp); 2557 } 2558 } 2559 2560 if ((stcb != NULL) && (net != NULL)) { 2561 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2562 /* It's unconfirmed */ 2563 paddri->spinfo_state = SCTP_UNCONFIRMED; 2564 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2565 /* It's active */ 2566 paddri->spinfo_state = SCTP_ACTIVE; 2567 } else { 2568 /* It's inactive */ 2569 paddri->spinfo_state = SCTP_INACTIVE; 2570 } 2571 paddri->spinfo_cwnd = net->cwnd; 2572 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2573 paddri->spinfo_rto = net->RTO; 2574 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2575 paddri->spinfo_mtu = net->mtu; 2576 switch (addr->sa_family) { 2577 #if defined(INET) 2578 case AF_INET: 2579 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2580 break; 2581 #endif 2582 #if defined(INET6) 2583 case AF_INET6: 2584 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2585 break; 2586 #endif 2587 default: 2588 break; 2589 } 2590 SCTP_TCB_UNLOCK(stcb); 2591 *optsize = sizeof(struct sctp_paddrinfo); 2592 } else { 2593 if (stcb != NULL) { 2594 SCTP_TCB_UNLOCK(stcb); 2595 } 2596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2597 error = ENOENT; 2598 } 2599 break; 2600 } 2601 case SCTP_PCB_STATUS: 2602 { 2603 struct sctp_pcbinfo *spcb; 2604 2605 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2606 sctp_fill_pcbinfo(spcb); 2607 *optsize = sizeof(struct sctp_pcbinfo); 2608 break; 2609 } 2610 case SCTP_STATUS: 2611 { 2612 struct sctp_nets *net; 2613 struct sctp_status *sstat; 2614 2615 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2616 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2617 2618 if (stcb == NULL) { 2619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2620 error = EINVAL; 2621 break; 2622 } 2623 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2624 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2625 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2626 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2627 /* 2628 * We can't include chunks that have been passed to 2629 * the socket layer. Only things in queue. 2630 */ 2631 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2632 stcb->asoc.cnt_on_all_streams); 2633 2634 2635 sstat->sstat_instrms = stcb->asoc.streamincnt; 2636 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2637 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2638 net = stcb->asoc.primary_destination; 2639 if (net != NULL) { 2640 memcpy(&sstat->sstat_primary.spinfo_address, 2641 &stcb->asoc.primary_destination->ro._l_addr, 2642 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2643 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2644 /* 2645 * Again the user can get info from 2646 * sctp_constants.h for what the state of 2647 * the network is. 2648 */ 2649 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2650 /* It's unconfirmed */ 2651 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2652 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2653 /* It's active */ 2654 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2655 } else { 2656 /* It's inactive */ 2657 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2658 } 2659 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2660 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2661 sstat->sstat_primary.spinfo_rto = net->RTO; 2662 sstat->sstat_primary.spinfo_mtu = net->mtu; 2663 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2664 #if defined(INET) 2665 case AF_INET: 2666 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2667 break; 2668 #endif 2669 #if defined(INET6) 2670 case AF_INET6: 2671 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2672 break; 2673 #endif 2674 default: 2675 break; 2676 } 2677 } else { 2678 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2679 } 2680 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2681 SCTP_TCB_UNLOCK(stcb); 2682 *optsize = sizeof(struct sctp_status); 2683 break; 2684 } 2685 case SCTP_RTOINFO: 2686 { 2687 struct sctp_rtoinfo *srto; 2688 2689 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2690 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2691 2692 if (stcb) { 2693 srto->srto_initial = stcb->asoc.initial_rto; 2694 srto->srto_max = stcb->asoc.maxrto; 2695 srto->srto_min = stcb->asoc.minrto; 2696 SCTP_TCB_UNLOCK(stcb); 2697 } else { 2698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2700 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2701 SCTP_INP_RLOCK(inp); 2702 srto->srto_initial = inp->sctp_ep.initial_rto; 2703 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2704 srto->srto_min = inp->sctp_ep.sctp_minrto; 2705 SCTP_INP_RUNLOCK(inp); 2706 } else { 2707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2708 error = EINVAL; 2709 } 2710 } 2711 if (error == 0) { 2712 *optsize = sizeof(struct sctp_rtoinfo); 2713 } 2714 break; 2715 } 2716 case SCTP_TIMEOUTS: 2717 { 2718 struct sctp_timeouts *stimo; 2719 2720 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2721 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2722 2723 if (stcb) { 2724 stimo->stimo_init = stcb->asoc.timoinit; 2725 stimo->stimo_data = stcb->asoc.timodata; 2726 stimo->stimo_sack = stcb->asoc.timosack; 2727 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2728 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2729 stimo->stimo_cookie = stcb->asoc.timocookie; 2730 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2731 SCTP_TCB_UNLOCK(stcb); 2732 *optsize = sizeof(struct sctp_timeouts); 2733 } else { 2734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2735 error = EINVAL; 2736 } 2737 break; 2738 } 2739 case SCTP_ASSOCINFO: 2740 { 2741 struct sctp_assocparams *sasoc; 2742 2743 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2744 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2745 2746 if (stcb) { 2747 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2748 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2749 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2750 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2751 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2752 SCTP_TCB_UNLOCK(stcb); 2753 } else { 2754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2755 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2756 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2757 SCTP_INP_RLOCK(inp); 2758 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2759 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2760 sasoc->sasoc_number_peer_destinations = 0; 2761 sasoc->sasoc_peer_rwnd = 0; 2762 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2763 SCTP_INP_RUNLOCK(inp); 2764 } else { 2765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2766 error = EINVAL; 2767 } 2768 } 2769 if (error == 0) { 2770 *optsize = sizeof(struct sctp_assocparams); 2771 } 2772 break; 2773 } 2774 case SCTP_DEFAULT_SEND_PARAM: 2775 { 2776 struct sctp_sndrcvinfo *s_info; 2777 2778 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2779 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2780 2781 if (stcb) { 2782 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2783 SCTP_TCB_UNLOCK(stcb); 2784 } else { 2785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2787 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2788 SCTP_INP_RLOCK(inp); 2789 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2790 SCTP_INP_RUNLOCK(inp); 2791 } else { 2792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2793 error = EINVAL; 2794 } 2795 } 2796 if (error == 0) { 2797 *optsize = sizeof(struct sctp_sndrcvinfo); 2798 } 2799 break; 2800 } 2801 case SCTP_INITMSG: 2802 { 2803 struct sctp_initmsg *sinit; 2804 2805 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2806 SCTP_INP_RLOCK(inp); 2807 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2808 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2809 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2810 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2811 SCTP_INP_RUNLOCK(inp); 2812 *optsize = sizeof(struct sctp_initmsg); 2813 break; 2814 } 2815 case SCTP_PRIMARY_ADDR: 2816 /* we allow a "get" operation on this */ 2817 { 2818 struct sctp_setprim *ssp; 2819 2820 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2821 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2822 2823 if (stcb) { 2824 union sctp_sockstore *addr; 2825 2826 addr = &stcb->asoc.primary_destination->ro._l_addr; 2827 switch (addr->sa.sa_family) { 2828 #ifdef INET 2829 case AF_INET: 2830 #ifdef INET6 2831 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2832 in6_sin_2_v4mapsin6(&addr->sin, 2833 (struct sockaddr_in6 *)&ssp->ssp_addr); 2834 } else { 2835 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2836 } 2837 #else 2838 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2839 #endif 2840 break; 2841 #endif 2842 #ifdef INET6 2843 case AF_INET6: 2844 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2845 break; 2846 #endif 2847 default: 2848 break; 2849 } 2850 SCTP_TCB_UNLOCK(stcb); 2851 *optsize = sizeof(struct sctp_setprim); 2852 } else { 2853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2854 error = EINVAL; 2855 } 2856 break; 2857 } 2858 case SCTP_HMAC_IDENT: 2859 { 2860 struct sctp_hmacalgo *shmac; 2861 sctp_hmaclist_t *hmaclist; 2862 uint32_t size; 2863 int i; 2864 2865 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2866 2867 SCTP_INP_RLOCK(inp); 2868 hmaclist = inp->sctp_ep.local_hmacs; 2869 if (hmaclist == NULL) { 2870 /* no HMACs to return */ 2871 *optsize = sizeof(*shmac); 2872 SCTP_INP_RUNLOCK(inp); 2873 break; 2874 } 2875 /* is there room for all of the hmac ids? */ 2876 size = sizeof(*shmac) + (hmaclist->num_algo * 2877 sizeof(shmac->shmac_idents[0])); 2878 if ((size_t)(*optsize) < size) { 2879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2880 error = EINVAL; 2881 SCTP_INP_RUNLOCK(inp); 2882 break; 2883 } 2884 /* copy in the list */ 2885 shmac->shmac_number_of_idents = hmaclist->num_algo; 2886 for (i = 0; i < hmaclist->num_algo; i++) { 2887 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2888 } 2889 SCTP_INP_RUNLOCK(inp); 2890 *optsize = size; 2891 break; 2892 } 2893 case SCTP_AUTH_ACTIVE_KEY: 2894 { 2895 struct sctp_authkeyid *scact; 2896 2897 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2898 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2899 2900 if (stcb) { 2901 /* get the active key on the assoc */ 2902 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2903 SCTP_TCB_UNLOCK(stcb); 2904 } else { 2905 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2906 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2907 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2908 /* get the endpoint active key */ 2909 SCTP_INP_RLOCK(inp); 2910 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2911 SCTP_INP_RUNLOCK(inp); 2912 } else { 2913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2914 error = EINVAL; 2915 } 2916 } 2917 if (error == 0) { 2918 *optsize = sizeof(struct sctp_authkeyid); 2919 } 2920 break; 2921 } 2922 case SCTP_LOCAL_AUTH_CHUNKS: 2923 { 2924 struct sctp_authchunks *sac; 2925 sctp_auth_chklist_t *chklist = NULL; 2926 size_t size = 0; 2927 2928 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2929 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2930 2931 if (stcb) { 2932 /* get off the assoc */ 2933 chklist = stcb->asoc.local_auth_chunks; 2934 /* is there enough space? */ 2935 size = sctp_auth_get_chklist_size(chklist); 2936 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2937 error = EINVAL; 2938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2939 } else { 2940 /* copy in the chunks */ 2941 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2942 sac->gauth_number_of_chunks = (uint32_t)size; 2943 *optsize = sizeof(struct sctp_authchunks) + size; 2944 } 2945 SCTP_TCB_UNLOCK(stcb); 2946 } else { 2947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2949 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2950 /* get off the endpoint */ 2951 SCTP_INP_RLOCK(inp); 2952 chklist = inp->sctp_ep.local_auth_chunks; 2953 /* is there enough space? */ 2954 size = sctp_auth_get_chklist_size(chklist); 2955 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2956 error = EINVAL; 2957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2958 } else { 2959 /* copy in the chunks */ 2960 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2961 sac->gauth_number_of_chunks = (uint32_t)size; 2962 *optsize = sizeof(struct sctp_authchunks) + size; 2963 } 2964 SCTP_INP_RUNLOCK(inp); 2965 } else { 2966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2967 error = EINVAL; 2968 } 2969 } 2970 break; 2971 } 2972 case SCTP_PEER_AUTH_CHUNKS: 2973 { 2974 struct sctp_authchunks *sac; 2975 sctp_auth_chklist_t *chklist = NULL; 2976 size_t size = 0; 2977 2978 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2979 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2980 2981 if (stcb) { 2982 /* get off the assoc */ 2983 chklist = stcb->asoc.peer_auth_chunks; 2984 /* is there enough space? */ 2985 size = sctp_auth_get_chklist_size(chklist); 2986 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2987 error = EINVAL; 2988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2989 } else { 2990 /* copy in the chunks */ 2991 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2992 sac->gauth_number_of_chunks = (uint32_t)size; 2993 *optsize = sizeof(struct sctp_authchunks) + size; 2994 } 2995 SCTP_TCB_UNLOCK(stcb); 2996 } else { 2997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2998 error = ENOENT; 2999 } 3000 break; 3001 } 3002 case SCTP_EVENT: 3003 { 3004 struct sctp_event *event; 3005 uint32_t event_type; 3006 3007 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3008 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3009 3010 switch (event->se_type) { 3011 case SCTP_ASSOC_CHANGE: 3012 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3013 break; 3014 case SCTP_PEER_ADDR_CHANGE: 3015 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3016 break; 3017 case SCTP_REMOTE_ERROR: 3018 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3019 break; 3020 case SCTP_SEND_FAILED: 3021 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3022 break; 3023 case SCTP_SHUTDOWN_EVENT: 3024 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3025 break; 3026 case SCTP_ADAPTATION_INDICATION: 3027 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3028 break; 3029 case SCTP_PARTIAL_DELIVERY_EVENT: 3030 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3031 break; 3032 case SCTP_AUTHENTICATION_EVENT: 3033 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3034 break; 3035 case SCTP_STREAM_RESET_EVENT: 3036 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3037 break; 3038 case SCTP_SENDER_DRY_EVENT: 3039 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3040 break; 3041 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3042 event_type = 0; 3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3044 error = ENOTSUP; 3045 break; 3046 case SCTP_ASSOC_RESET_EVENT: 3047 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3048 break; 3049 case SCTP_STREAM_CHANGE_EVENT: 3050 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3051 break; 3052 case SCTP_SEND_FAILED_EVENT: 3053 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3054 break; 3055 default: 3056 event_type = 0; 3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3058 error = EINVAL; 3059 break; 3060 } 3061 if (event_type > 0) { 3062 if (stcb) { 3063 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3064 } else { 3065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3066 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3067 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3068 SCTP_INP_RLOCK(inp); 3069 event->se_on = sctp_is_feature_on(inp, event_type); 3070 SCTP_INP_RUNLOCK(inp); 3071 } else { 3072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3073 error = EINVAL; 3074 } 3075 } 3076 } 3077 if (stcb != NULL) { 3078 SCTP_TCB_UNLOCK(stcb); 3079 } 3080 if (error == 0) { 3081 *optsize = sizeof(struct sctp_event); 3082 } 3083 break; 3084 } 3085 case SCTP_RECVRCVINFO: 3086 { 3087 int onoff; 3088 3089 if (*optsize < sizeof(int)) { 3090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3091 error = EINVAL; 3092 } else { 3093 SCTP_INP_RLOCK(inp); 3094 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3095 SCTP_INP_RUNLOCK(inp); 3096 } 3097 if (error == 0) { 3098 /* return the option value */ 3099 *(int *)optval = onoff; 3100 *optsize = sizeof(int); 3101 } 3102 break; 3103 } 3104 case SCTP_RECVNXTINFO: 3105 { 3106 int onoff; 3107 3108 if (*optsize < sizeof(int)) { 3109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3110 error = EINVAL; 3111 } else { 3112 SCTP_INP_RLOCK(inp); 3113 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3114 SCTP_INP_RUNLOCK(inp); 3115 } 3116 if (error == 0) { 3117 /* return the option value */ 3118 *(int *)optval = onoff; 3119 *optsize = sizeof(int); 3120 } 3121 break; 3122 } 3123 case SCTP_DEFAULT_SNDINFO: 3124 { 3125 struct sctp_sndinfo *info; 3126 3127 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3128 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3129 3130 if (stcb) { 3131 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3132 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3133 info->snd_flags &= 0xfff0; 3134 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3135 info->snd_context = stcb->asoc.def_send.sinfo_context; 3136 SCTP_TCB_UNLOCK(stcb); 3137 } else { 3138 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3140 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3141 SCTP_INP_RLOCK(inp); 3142 info->snd_sid = inp->def_send.sinfo_stream; 3143 info->snd_flags = inp->def_send.sinfo_flags; 3144 info->snd_flags &= 0xfff0; 3145 info->snd_ppid = inp->def_send.sinfo_ppid; 3146 info->snd_context = inp->def_send.sinfo_context; 3147 SCTP_INP_RUNLOCK(inp); 3148 } else { 3149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3150 error = EINVAL; 3151 } 3152 } 3153 if (error == 0) { 3154 *optsize = sizeof(struct sctp_sndinfo); 3155 } 3156 break; 3157 } 3158 case SCTP_DEFAULT_PRINFO: 3159 { 3160 struct sctp_default_prinfo *info; 3161 3162 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3163 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3164 3165 if (stcb) { 3166 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3167 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3168 SCTP_TCB_UNLOCK(stcb); 3169 } else { 3170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3172 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3173 SCTP_INP_RLOCK(inp); 3174 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3175 info->pr_value = inp->def_send.sinfo_timetolive; 3176 SCTP_INP_RUNLOCK(inp); 3177 } else { 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3179 error = EINVAL; 3180 } 3181 } 3182 if (error == 0) { 3183 *optsize = sizeof(struct sctp_default_prinfo); 3184 } 3185 break; 3186 } 3187 case SCTP_PEER_ADDR_THLDS: 3188 { 3189 struct sctp_paddrthlds *thlds; 3190 struct sctp_nets *net; 3191 struct sockaddr *addr; 3192 #if defined(INET) && defined(INET6) 3193 struct sockaddr_in sin_store; 3194 #endif 3195 3196 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3197 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3198 3199 #if defined(INET) && defined(INET6) 3200 if (thlds->spt_address.ss_family == AF_INET6) { 3201 struct sockaddr_in6 *sin6; 3202 3203 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3204 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3205 in6_sin6_2_sin(&sin_store, sin6); 3206 addr = (struct sockaddr *)&sin_store; 3207 } else { 3208 addr = (struct sockaddr *)&thlds->spt_address; 3209 } 3210 } else { 3211 addr = (struct sockaddr *)&thlds->spt_address; 3212 } 3213 #else 3214 addr = (struct sockaddr *)&thlds->spt_address; 3215 #endif 3216 if (stcb != NULL) { 3217 net = sctp_findnet(stcb, addr); 3218 } else { 3219 /* 3220 * We increment here since 3221 * sctp_findassociation_ep_addr() wil do a 3222 * decrement if it finds the stcb as long as 3223 * the locked tcb (last argument) is NOT a 3224 * TCB.. aka NULL. 3225 */ 3226 net = NULL; 3227 SCTP_INP_INCR_REF(inp); 3228 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3229 if (stcb == NULL) { 3230 SCTP_INP_DECR_REF(inp); 3231 } 3232 } 3233 if ((stcb != NULL) && (net == NULL)) { 3234 #ifdef INET 3235 if (addr->sa_family == AF_INET) { 3236 struct sockaddr_in *sin; 3237 3238 sin = (struct sockaddr_in *)addr; 3239 if (sin->sin_addr.s_addr != INADDR_ANY) { 3240 error = EINVAL; 3241 SCTP_TCB_UNLOCK(stcb); 3242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3243 break; 3244 } 3245 } else 3246 #endif 3247 #ifdef INET6 3248 if (addr->sa_family == AF_INET6) { 3249 struct sockaddr_in6 *sin6; 3250 3251 sin6 = (struct sockaddr_in6 *)addr; 3252 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3253 error = EINVAL; 3254 SCTP_TCB_UNLOCK(stcb); 3255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3256 break; 3257 } 3258 } else 3259 #endif 3260 { 3261 error = EAFNOSUPPORT; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } 3267 3268 if (stcb != NULL) { 3269 if (net != NULL) { 3270 thlds->spt_pathmaxrxt = net->failure_threshold; 3271 thlds->spt_pathpfthld = net->pf_threshold; 3272 thlds->spt_pathcpthld = 0xffff; 3273 } else { 3274 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3275 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3276 thlds->spt_pathcpthld = 0xffff; 3277 } 3278 thlds->spt_assoc_id = sctp_get_associd(stcb); 3279 SCTP_TCB_UNLOCK(stcb); 3280 } else { 3281 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3282 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3283 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3284 /* Use endpoint defaults */ 3285 SCTP_INP_RLOCK(inp); 3286 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3287 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3288 thlds->spt_pathcpthld = 0xffff; 3289 SCTP_INP_RUNLOCK(inp); 3290 } else { 3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3292 error = EINVAL; 3293 } 3294 } 3295 if (error == 0) { 3296 *optsize = sizeof(struct sctp_paddrthlds); 3297 } 3298 break; 3299 } 3300 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3301 { 3302 struct sctp_udpencaps *encaps; 3303 struct sctp_nets *net; 3304 struct sockaddr *addr; 3305 #if defined(INET) && defined(INET6) 3306 struct sockaddr_in sin_store; 3307 #endif 3308 3309 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3310 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3311 3312 #if defined(INET) && defined(INET6) 3313 if (encaps->sue_address.ss_family == AF_INET6) { 3314 struct sockaddr_in6 *sin6; 3315 3316 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3317 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3318 in6_sin6_2_sin(&sin_store, sin6); 3319 addr = (struct sockaddr *)&sin_store; 3320 } else { 3321 addr = (struct sockaddr *)&encaps->sue_address; 3322 } 3323 } else { 3324 addr = (struct sockaddr *)&encaps->sue_address; 3325 } 3326 #else 3327 addr = (struct sockaddr *)&encaps->sue_address; 3328 #endif 3329 if (stcb) { 3330 net = sctp_findnet(stcb, addr); 3331 } else { 3332 /* 3333 * We increment here since 3334 * sctp_findassociation_ep_addr() wil do a 3335 * decrement if it finds the stcb as long as 3336 * the locked tcb (last argument) is NOT a 3337 * TCB.. aka NULL. 3338 */ 3339 net = NULL; 3340 SCTP_INP_INCR_REF(inp); 3341 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3342 if (stcb == NULL) { 3343 SCTP_INP_DECR_REF(inp); 3344 } 3345 } 3346 if ((stcb != NULL) && (net == NULL)) { 3347 #ifdef INET 3348 if (addr->sa_family == AF_INET) { 3349 struct sockaddr_in *sin; 3350 3351 sin = (struct sockaddr_in *)addr; 3352 if (sin->sin_addr.s_addr != INADDR_ANY) { 3353 error = EINVAL; 3354 SCTP_TCB_UNLOCK(stcb); 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3356 break; 3357 } 3358 } else 3359 #endif 3360 #ifdef INET6 3361 if (addr->sa_family == AF_INET6) { 3362 struct sockaddr_in6 *sin6; 3363 3364 sin6 = (struct sockaddr_in6 *)addr; 3365 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3366 error = EINVAL; 3367 SCTP_TCB_UNLOCK(stcb); 3368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3369 break; 3370 } 3371 } else 3372 #endif 3373 { 3374 error = EAFNOSUPPORT; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } 3380 3381 if (stcb != NULL) { 3382 if (net) { 3383 encaps->sue_port = net->port; 3384 } else { 3385 encaps->sue_port = stcb->asoc.port; 3386 } 3387 SCTP_TCB_UNLOCK(stcb); 3388 } else { 3389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3390 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3391 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3392 SCTP_INP_RLOCK(inp); 3393 encaps->sue_port = inp->sctp_ep.port; 3394 SCTP_INP_RUNLOCK(inp); 3395 } else { 3396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3397 error = EINVAL; 3398 } 3399 } 3400 if (error == 0) { 3401 *optsize = sizeof(struct sctp_udpencaps); 3402 } 3403 break; 3404 } 3405 case SCTP_ECN_SUPPORTED: 3406 { 3407 struct sctp_assoc_value *av; 3408 3409 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3410 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3411 3412 if (stcb) { 3413 av->assoc_value = stcb->asoc.ecn_supported; 3414 SCTP_TCB_UNLOCK(stcb); 3415 } else { 3416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3417 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3418 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3419 SCTP_INP_RLOCK(inp); 3420 av->assoc_value = inp->ecn_supported; 3421 SCTP_INP_RUNLOCK(inp); 3422 } else { 3423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3424 error = EINVAL; 3425 } 3426 } 3427 if (error == 0) { 3428 *optsize = sizeof(struct sctp_assoc_value); 3429 } 3430 break; 3431 } 3432 case SCTP_PR_SUPPORTED: 3433 { 3434 struct sctp_assoc_value *av; 3435 3436 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3437 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3438 3439 if (stcb) { 3440 av->assoc_value = stcb->asoc.prsctp_supported; 3441 SCTP_TCB_UNLOCK(stcb); 3442 } else { 3443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3445 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3446 SCTP_INP_RLOCK(inp); 3447 av->assoc_value = inp->prsctp_supported; 3448 SCTP_INP_RUNLOCK(inp); 3449 } else { 3450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3451 error = EINVAL; 3452 } 3453 } 3454 if (error == 0) { 3455 *optsize = sizeof(struct sctp_assoc_value); 3456 } 3457 break; 3458 } 3459 case SCTP_AUTH_SUPPORTED: 3460 { 3461 struct sctp_assoc_value *av; 3462 3463 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3464 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3465 3466 if (stcb) { 3467 av->assoc_value = stcb->asoc.auth_supported; 3468 SCTP_TCB_UNLOCK(stcb); 3469 } else { 3470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3472 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3473 SCTP_INP_RLOCK(inp); 3474 av->assoc_value = inp->auth_supported; 3475 SCTP_INP_RUNLOCK(inp); 3476 } else { 3477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3478 error = EINVAL; 3479 } 3480 } 3481 if (error == 0) { 3482 *optsize = sizeof(struct sctp_assoc_value); 3483 } 3484 break; 3485 } 3486 case SCTP_ASCONF_SUPPORTED: 3487 { 3488 struct sctp_assoc_value *av; 3489 3490 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3491 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3492 3493 if (stcb) { 3494 av->assoc_value = stcb->asoc.asconf_supported; 3495 SCTP_TCB_UNLOCK(stcb); 3496 } else { 3497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3498 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3499 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3500 SCTP_INP_RLOCK(inp); 3501 av->assoc_value = inp->asconf_supported; 3502 SCTP_INP_RUNLOCK(inp); 3503 } else { 3504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3505 error = EINVAL; 3506 } 3507 } 3508 if (error == 0) { 3509 *optsize = sizeof(struct sctp_assoc_value); 3510 } 3511 break; 3512 } 3513 case SCTP_RECONFIG_SUPPORTED: 3514 { 3515 struct sctp_assoc_value *av; 3516 3517 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3518 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3519 3520 if (stcb) { 3521 av->assoc_value = stcb->asoc.reconfig_supported; 3522 SCTP_TCB_UNLOCK(stcb); 3523 } else { 3524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3525 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3526 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3527 SCTP_INP_RLOCK(inp); 3528 av->assoc_value = inp->reconfig_supported; 3529 SCTP_INP_RUNLOCK(inp); 3530 } else { 3531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3532 error = EINVAL; 3533 } 3534 } 3535 if (error == 0) { 3536 *optsize = sizeof(struct sctp_assoc_value); 3537 } 3538 break; 3539 } 3540 case SCTP_NRSACK_SUPPORTED: 3541 { 3542 struct sctp_assoc_value *av; 3543 3544 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3545 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3546 3547 if (stcb) { 3548 av->assoc_value = stcb->asoc.nrsack_supported; 3549 SCTP_TCB_UNLOCK(stcb); 3550 } else { 3551 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3552 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3553 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3554 SCTP_INP_RLOCK(inp); 3555 av->assoc_value = inp->nrsack_supported; 3556 SCTP_INP_RUNLOCK(inp); 3557 } else { 3558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3559 error = EINVAL; 3560 } 3561 } 3562 if (error == 0) { 3563 *optsize = sizeof(struct sctp_assoc_value); 3564 } 3565 break; 3566 } 3567 case SCTP_PKTDROP_SUPPORTED: 3568 { 3569 struct sctp_assoc_value *av; 3570 3571 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3572 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3573 3574 if (stcb) { 3575 av->assoc_value = stcb->asoc.pktdrop_supported; 3576 SCTP_TCB_UNLOCK(stcb); 3577 } else { 3578 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3579 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3580 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3581 SCTP_INP_RLOCK(inp); 3582 av->assoc_value = inp->pktdrop_supported; 3583 SCTP_INP_RUNLOCK(inp); 3584 } else { 3585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3586 error = EINVAL; 3587 } 3588 } 3589 if (error == 0) { 3590 *optsize = sizeof(struct sctp_assoc_value); 3591 } 3592 break; 3593 } 3594 case SCTP_ENABLE_STREAM_RESET: 3595 { 3596 struct sctp_assoc_value *av; 3597 3598 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3599 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3600 3601 if (stcb) { 3602 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3603 SCTP_TCB_UNLOCK(stcb); 3604 } else { 3605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3607 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3608 SCTP_INP_RLOCK(inp); 3609 av->assoc_value = (uint32_t)inp->local_strreset_support; 3610 SCTP_INP_RUNLOCK(inp); 3611 } else { 3612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3613 error = EINVAL; 3614 } 3615 } 3616 if (error == 0) { 3617 *optsize = sizeof(struct sctp_assoc_value); 3618 } 3619 break; 3620 } 3621 case SCTP_PR_STREAM_STATUS: 3622 { 3623 struct sctp_prstatus *sprstat; 3624 uint16_t sid; 3625 uint16_t policy; 3626 3627 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3628 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3629 3630 sid = sprstat->sprstat_sid; 3631 policy = sprstat->sprstat_policy; 3632 #if defined(SCTP_DETAILED_STR_STATS) 3633 if ((stcb != NULL) && 3634 (sid < stcb->asoc.streamoutcnt) && 3635 (policy != SCTP_PR_SCTP_NONE) && 3636 ((policy <= SCTP_PR_SCTP_MAX) || 3637 (policy == SCTP_PR_SCTP_ALL))) { 3638 if (policy == SCTP_PR_SCTP_ALL) { 3639 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3640 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3641 } else { 3642 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3643 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3644 } 3645 #else 3646 if ((stcb != NULL) && 3647 (sid < stcb->asoc.streamoutcnt) && 3648 (policy == SCTP_PR_SCTP_ALL)) { 3649 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3650 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3651 #endif 3652 } else { 3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3654 error = EINVAL; 3655 } 3656 if (stcb != NULL) { 3657 SCTP_TCB_UNLOCK(stcb); 3658 } 3659 if (error == 0) { 3660 *optsize = sizeof(struct sctp_prstatus); 3661 } 3662 break; 3663 } 3664 case SCTP_PR_ASSOC_STATUS: 3665 { 3666 struct sctp_prstatus *sprstat; 3667 uint16_t policy; 3668 3669 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3670 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3671 3672 policy = sprstat->sprstat_policy; 3673 if ((stcb != NULL) && 3674 (policy != SCTP_PR_SCTP_NONE) && 3675 ((policy <= SCTP_PR_SCTP_MAX) || 3676 (policy == SCTP_PR_SCTP_ALL))) { 3677 if (policy == SCTP_PR_SCTP_ALL) { 3678 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3679 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3680 } else { 3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3682 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3683 } 3684 } else { 3685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3686 error = EINVAL; 3687 } 3688 if (stcb != NULL) { 3689 SCTP_TCB_UNLOCK(stcb); 3690 } 3691 if (error == 0) { 3692 *optsize = sizeof(struct sctp_prstatus); 3693 } 3694 break; 3695 } 3696 case SCTP_MAX_CWND: 3697 { 3698 struct sctp_assoc_value *av; 3699 3700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3702 3703 if (stcb) { 3704 av->assoc_value = stcb->asoc.max_cwnd; 3705 SCTP_TCB_UNLOCK(stcb); 3706 } else { 3707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3709 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3710 SCTP_INP_RLOCK(inp); 3711 av->assoc_value = inp->max_cwnd; 3712 SCTP_INP_RUNLOCK(inp); 3713 } else { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 } 3717 } 3718 if (error == 0) { 3719 *optsize = sizeof(struct sctp_assoc_value); 3720 } 3721 break; 3722 } 3723 default: 3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3725 error = ENOPROTOOPT; 3726 break; 3727 } /* end switch (sopt->sopt_name) */ 3728 if (error) { 3729 *optsize = 0; 3730 } 3731 return (error); 3732 } 3733 3734 static int 3735 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3736 void *p) 3737 { 3738 int error, set_opt; 3739 uint32_t *mopt; 3740 struct sctp_tcb *stcb = NULL; 3741 struct sctp_inpcb *inp = NULL; 3742 uint32_t vrf_id; 3743 3744 if (optval == NULL) { 3745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3746 return (EINVAL); 3747 } 3748 inp = (struct sctp_inpcb *)so->so_pcb; 3749 if (inp == NULL) { 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3751 return (EINVAL); 3752 } 3753 vrf_id = inp->def_vrf_id; 3754 3755 error = 0; 3756 switch (optname) { 3757 case SCTP_NODELAY: 3758 case SCTP_AUTOCLOSE: 3759 case SCTP_AUTO_ASCONF: 3760 case SCTP_EXPLICIT_EOR: 3761 case SCTP_DISABLE_FRAGMENTS: 3762 case SCTP_USE_EXT_RCVINFO: 3763 case SCTP_I_WANT_MAPPED_V4_ADDR: 3764 /* copy in the option value */ 3765 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3766 set_opt = 0; 3767 if (error) 3768 break; 3769 switch (optname) { 3770 case SCTP_DISABLE_FRAGMENTS: 3771 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3772 break; 3773 case SCTP_AUTO_ASCONF: 3774 /* 3775 * NOTE: we don't really support this flag 3776 */ 3777 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3778 /* only valid for bound all sockets */ 3779 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3780 (*mopt != 0)) { 3781 /* forbidden by admin */ 3782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3783 return (EPERM); 3784 } 3785 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3786 } else { 3787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3788 return (EINVAL); 3789 } 3790 break; 3791 case SCTP_EXPLICIT_EOR: 3792 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3793 break; 3794 case SCTP_USE_EXT_RCVINFO: 3795 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3796 break; 3797 case SCTP_I_WANT_MAPPED_V4_ADDR: 3798 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3799 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3800 } else { 3801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3802 return (EINVAL); 3803 } 3804 break; 3805 case SCTP_NODELAY: 3806 set_opt = SCTP_PCB_FLAGS_NODELAY; 3807 break; 3808 case SCTP_AUTOCLOSE: 3809 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3810 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3812 return (EINVAL); 3813 } 3814 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3815 /* 3816 * The value is in ticks. Note this does not effect 3817 * old associations, only new ones. 3818 */ 3819 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3820 break; 3821 } 3822 SCTP_INP_WLOCK(inp); 3823 if (*mopt != 0) { 3824 sctp_feature_on(inp, set_opt); 3825 } else { 3826 sctp_feature_off(inp, set_opt); 3827 } 3828 SCTP_INP_WUNLOCK(inp); 3829 break; 3830 case SCTP_REUSE_PORT: 3831 { 3832 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3834 /* Can't set it after we are bound */ 3835 error = EINVAL; 3836 break; 3837 } 3838 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3839 /* Can't do this for a 1-m socket */ 3840 error = EINVAL; 3841 break; 3842 } 3843 if (optval) 3844 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3845 else 3846 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3847 break; 3848 } 3849 case SCTP_PARTIAL_DELIVERY_POINT: 3850 { 3851 uint32_t *value; 3852 3853 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3854 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 break; 3858 } 3859 inp->partial_delivery_point = *value; 3860 break; 3861 } 3862 case SCTP_FRAGMENT_INTERLEAVE: 3863 /* not yet until we re-write sctp_recvmsg() */ 3864 { 3865 uint32_t *level; 3866 3867 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3868 if (*level == SCTP_FRAG_LEVEL_2) { 3869 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3870 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3871 } else if (*level == SCTP_FRAG_LEVEL_1) { 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3873 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3874 } else if (*level == SCTP_FRAG_LEVEL_0) { 3875 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3877 3878 } else { 3879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3880 error = EINVAL; 3881 } 3882 break; 3883 } 3884 case SCTP_INTERLEAVING_SUPPORTED: 3885 { 3886 struct sctp_assoc_value *av; 3887 3888 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3889 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3890 3891 if (stcb) { 3892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3893 error = EINVAL; 3894 SCTP_TCB_UNLOCK(stcb); 3895 } else { 3896 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3897 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3898 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3899 SCTP_INP_WLOCK(inp); 3900 if (av->assoc_value == 0) { 3901 inp->idata_supported = 0; 3902 } else { 3903 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3904 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3905 inp->idata_supported = 1; 3906 } else { 3907 /* 3908 * Must have Frag 3909 * interleave and 3910 * stream interleave 3911 * on 3912 */ 3913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3914 error = EINVAL; 3915 } 3916 } 3917 SCTP_INP_WUNLOCK(inp); 3918 } else { 3919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3920 error = EINVAL; 3921 } 3922 } 3923 break; 3924 } 3925 case SCTP_CMT_ON_OFF: 3926 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3927 struct sctp_assoc_value *av; 3928 3929 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3930 if (av->assoc_value > SCTP_CMT_MAX) { 3931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3932 error = EINVAL; 3933 break; 3934 } 3935 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3936 if (stcb) { 3937 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3938 SCTP_TCB_UNLOCK(stcb); 3939 } else { 3940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3941 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3942 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3943 (av->assoc_id == SCTP_ALL_ASSOC)) { 3944 SCTP_INP_WLOCK(inp); 3945 inp->sctp_cmt_on_off = av->assoc_value; 3946 SCTP_INP_WUNLOCK(inp); 3947 } 3948 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3949 (av->assoc_id == SCTP_ALL_ASSOC)) { 3950 SCTP_INP_RLOCK(inp); 3951 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3952 SCTP_TCB_LOCK(stcb); 3953 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3954 SCTP_TCB_UNLOCK(stcb); 3955 } 3956 SCTP_INP_RUNLOCK(inp); 3957 } 3958 } 3959 } else { 3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3961 error = ENOPROTOOPT; 3962 } 3963 break; 3964 case SCTP_PLUGGABLE_CC: 3965 { 3966 struct sctp_assoc_value *av; 3967 struct sctp_nets *net; 3968 3969 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3970 if ((av->assoc_value != SCTP_CC_RFC2581) && 3971 (av->assoc_value != SCTP_CC_HSTCP) && 3972 (av->assoc_value != SCTP_CC_HTCP) && 3973 (av->assoc_value != SCTP_CC_RTCC)) { 3974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3975 error = EINVAL; 3976 break; 3977 } 3978 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3979 if (stcb) { 3980 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3981 stcb->asoc.congestion_control_module = av->assoc_value; 3982 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3983 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3984 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3985 } 3986 } 3987 SCTP_TCB_UNLOCK(stcb); 3988 } else { 3989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3991 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3992 (av->assoc_id == SCTP_ALL_ASSOC)) { 3993 SCTP_INP_WLOCK(inp); 3994 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3995 SCTP_INP_WUNLOCK(inp); 3996 } 3997 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3998 (av->assoc_id == SCTP_ALL_ASSOC)) { 3999 SCTP_INP_RLOCK(inp); 4000 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4001 SCTP_TCB_LOCK(stcb); 4002 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4003 stcb->asoc.congestion_control_module = av->assoc_value; 4004 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4005 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4006 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4007 } 4008 } 4009 SCTP_TCB_UNLOCK(stcb); 4010 } 4011 SCTP_INP_RUNLOCK(inp); 4012 } 4013 } 4014 break; 4015 } 4016 case SCTP_CC_OPTION: 4017 { 4018 struct sctp_cc_option *cc_opt; 4019 4020 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4021 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4022 if (stcb == NULL) { 4023 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4024 SCTP_INP_RLOCK(inp); 4025 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4026 SCTP_TCB_LOCK(stcb); 4027 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4028 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4029 } 4030 SCTP_TCB_UNLOCK(stcb); 4031 } 4032 SCTP_INP_RUNLOCK(inp); 4033 } else { 4034 error = EINVAL; 4035 } 4036 } else { 4037 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4038 error = ENOTSUP; 4039 } else { 4040 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4041 cc_opt); 4042 } 4043 SCTP_TCB_UNLOCK(stcb); 4044 } 4045 break; 4046 } 4047 case SCTP_PLUGGABLE_SS: 4048 { 4049 struct sctp_assoc_value *av; 4050 4051 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4052 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4053 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4054 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4055 (av->assoc_value != SCTP_SS_PRIORITY) && 4056 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4057 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4059 error = EINVAL; 4060 break; 4061 } 4062 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4063 if (stcb) { 4064 SCTP_TCB_SEND_LOCK(stcb); 4065 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4066 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4067 stcb->asoc.stream_scheduling_module = av->assoc_value; 4068 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4069 SCTP_TCB_SEND_UNLOCK(stcb); 4070 SCTP_TCB_UNLOCK(stcb); 4071 } else { 4072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4074 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4075 (av->assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_WLOCK(inp); 4077 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4078 SCTP_INP_WUNLOCK(inp); 4079 } 4080 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4081 (av->assoc_id == SCTP_ALL_ASSOC)) { 4082 SCTP_INP_RLOCK(inp); 4083 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4084 SCTP_TCB_LOCK(stcb); 4085 SCTP_TCB_SEND_LOCK(stcb); 4086 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4087 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4088 stcb->asoc.stream_scheduling_module = av->assoc_value; 4089 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4090 SCTP_TCB_SEND_UNLOCK(stcb); 4091 SCTP_TCB_UNLOCK(stcb); 4092 } 4093 SCTP_INP_RUNLOCK(inp); 4094 } 4095 } 4096 break; 4097 } 4098 case SCTP_SS_VALUE: 4099 { 4100 struct sctp_stream_value *av; 4101 4102 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4103 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4104 if (stcb) { 4105 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4106 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4107 av->stream_value) < 0)) { 4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4109 error = EINVAL; 4110 } 4111 SCTP_TCB_UNLOCK(stcb); 4112 } else { 4113 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4114 SCTP_INP_RLOCK(inp); 4115 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4116 SCTP_TCB_LOCK(stcb); 4117 if (av->stream_id < stcb->asoc.streamoutcnt) { 4118 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4119 &stcb->asoc, 4120 &stcb->asoc.strmout[av->stream_id], 4121 av->stream_value); 4122 } 4123 SCTP_TCB_UNLOCK(stcb); 4124 } 4125 SCTP_INP_RUNLOCK(inp); 4126 } else { 4127 /* 4128 * Can't set stream value without 4129 * association 4130 */ 4131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4132 error = EINVAL; 4133 } 4134 } 4135 break; 4136 } 4137 case SCTP_CLR_STAT_LOG: 4138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4139 error = EOPNOTSUPP; 4140 break; 4141 case SCTP_CONTEXT: 4142 { 4143 struct sctp_assoc_value *av; 4144 4145 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4146 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4147 4148 if (stcb) { 4149 stcb->asoc.context = av->assoc_value; 4150 SCTP_TCB_UNLOCK(stcb); 4151 } else { 4152 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4154 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4155 (av->assoc_id == SCTP_ALL_ASSOC)) { 4156 SCTP_INP_WLOCK(inp); 4157 inp->sctp_context = av->assoc_value; 4158 SCTP_INP_WUNLOCK(inp); 4159 } 4160 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4161 (av->assoc_id == SCTP_ALL_ASSOC)) { 4162 SCTP_INP_RLOCK(inp); 4163 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4164 SCTP_TCB_LOCK(stcb); 4165 stcb->asoc.context = av->assoc_value; 4166 SCTP_TCB_UNLOCK(stcb); 4167 } 4168 SCTP_INP_RUNLOCK(inp); 4169 } 4170 } 4171 break; 4172 } 4173 case SCTP_VRF_ID: 4174 { 4175 uint32_t *default_vrfid; 4176 4177 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4178 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4180 error = EINVAL; 4181 break; 4182 } 4183 inp->def_vrf_id = *default_vrfid; 4184 break; 4185 } 4186 case SCTP_DEL_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_ADD_VRF_ID: 4193 { 4194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4195 error = EOPNOTSUPP; 4196 break; 4197 } 4198 case SCTP_DELAYED_SACK: 4199 { 4200 struct sctp_sack_info *sack; 4201 4202 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4203 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4204 if (sack->sack_delay) { 4205 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4206 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4207 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4208 sack->sack_delay = TICKS_TO_MSEC(1); 4209 } 4210 } 4211 if (stcb) { 4212 if (sack->sack_delay) { 4213 stcb->asoc.delayed_ack = sack->sack_delay; 4214 } 4215 if (sack->sack_freq) { 4216 stcb->asoc.sack_freq = sack->sack_freq; 4217 } 4218 SCTP_TCB_UNLOCK(stcb); 4219 } else { 4220 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4221 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4222 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4223 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4224 SCTP_INP_WLOCK(inp); 4225 if (sack->sack_delay) { 4226 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4227 } 4228 if (sack->sack_freq) { 4229 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4230 } 4231 SCTP_INP_WUNLOCK(inp); 4232 } 4233 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4234 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4235 SCTP_INP_RLOCK(inp); 4236 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4237 SCTP_TCB_LOCK(stcb); 4238 if (sack->sack_delay) { 4239 stcb->asoc.delayed_ack = sack->sack_delay; 4240 } 4241 if (sack->sack_freq) { 4242 stcb->asoc.sack_freq = sack->sack_freq; 4243 } 4244 SCTP_TCB_UNLOCK(stcb); 4245 } 4246 SCTP_INP_RUNLOCK(inp); 4247 } 4248 } 4249 break; 4250 } 4251 case SCTP_AUTH_CHUNK: 4252 { 4253 struct sctp_authchunk *sauth; 4254 4255 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4256 4257 SCTP_INP_WLOCK(inp); 4258 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4260 error = EINVAL; 4261 } else { 4262 inp->auth_supported = 1; 4263 } 4264 SCTP_INP_WUNLOCK(inp); 4265 break; 4266 } 4267 case SCTP_AUTH_KEY: 4268 { 4269 struct sctp_authkey *sca; 4270 struct sctp_keyhead *shared_keys; 4271 sctp_sharedkey_t *shared_key; 4272 sctp_key_t *key = NULL; 4273 size_t size; 4274 4275 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4276 if (sca->sca_keylength == 0) { 4277 size = optsize - sizeof(struct sctp_authkey); 4278 } else { 4279 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4280 size = sca->sca_keylength; 4281 } else { 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4283 error = EINVAL; 4284 break; 4285 } 4286 } 4287 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4288 4289 if (stcb) { 4290 shared_keys = &stcb->asoc.shared_keys; 4291 /* clear the cached keys for this key id */ 4292 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4293 /* 4294 * create the new shared key and 4295 * insert/replace it 4296 */ 4297 if (size > 0) { 4298 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4299 if (key == NULL) { 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4301 error = ENOMEM; 4302 SCTP_TCB_UNLOCK(stcb); 4303 break; 4304 } 4305 } 4306 shared_key = sctp_alloc_sharedkey(); 4307 if (shared_key == NULL) { 4308 sctp_free_key(key); 4309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4310 error = ENOMEM; 4311 SCTP_TCB_UNLOCK(stcb); 4312 break; 4313 } 4314 shared_key->key = key; 4315 shared_key->keyid = sca->sca_keynumber; 4316 error = sctp_insert_sharedkey(shared_keys, shared_key); 4317 SCTP_TCB_UNLOCK(stcb); 4318 } else { 4319 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4320 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4321 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4322 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4323 SCTP_INP_WLOCK(inp); 4324 shared_keys = &inp->sctp_ep.shared_keys; 4325 /* 4326 * clear the cached keys on all 4327 * assocs for this key id 4328 */ 4329 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4330 /* 4331 * create the new shared key and 4332 * insert/replace it 4333 */ 4334 if (size > 0) { 4335 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4336 if (key == NULL) { 4337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4338 error = ENOMEM; 4339 SCTP_INP_WUNLOCK(inp); 4340 break; 4341 } 4342 } 4343 shared_key = sctp_alloc_sharedkey(); 4344 if (shared_key == NULL) { 4345 sctp_free_key(key); 4346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4347 error = ENOMEM; 4348 SCTP_INP_WUNLOCK(inp); 4349 break; 4350 } 4351 shared_key->key = key; 4352 shared_key->keyid = sca->sca_keynumber; 4353 error = sctp_insert_sharedkey(shared_keys, shared_key); 4354 SCTP_INP_WUNLOCK(inp); 4355 } 4356 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4357 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4358 SCTP_INP_RLOCK(inp); 4359 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4360 SCTP_TCB_LOCK(stcb); 4361 shared_keys = &stcb->asoc.shared_keys; 4362 /* 4363 * clear the cached keys for 4364 * this key id 4365 */ 4366 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4367 /* 4368 * create the new shared key 4369 * and insert/replace it 4370 */ 4371 if (size > 0) { 4372 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4373 if (key == NULL) { 4374 SCTP_TCB_UNLOCK(stcb); 4375 continue; 4376 } 4377 } 4378 shared_key = sctp_alloc_sharedkey(); 4379 if (shared_key == NULL) { 4380 sctp_free_key(key); 4381 SCTP_TCB_UNLOCK(stcb); 4382 continue; 4383 } 4384 shared_key->key = key; 4385 shared_key->keyid = sca->sca_keynumber; 4386 error = sctp_insert_sharedkey(shared_keys, shared_key); 4387 SCTP_TCB_UNLOCK(stcb); 4388 } 4389 SCTP_INP_RUNLOCK(inp); 4390 } 4391 } 4392 break; 4393 } 4394 case SCTP_HMAC_IDENT: 4395 { 4396 struct sctp_hmacalgo *shmac; 4397 sctp_hmaclist_t *hmaclist; 4398 uint16_t hmacid; 4399 uint32_t i; 4400 4401 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4402 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4403 (shmac->shmac_number_of_idents > 0xffff)) { 4404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4405 error = EINVAL; 4406 break; 4407 } 4408 4409 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4410 if (hmaclist == NULL) { 4411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4412 error = ENOMEM; 4413 break; 4414 } 4415 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4416 hmacid = shmac->shmac_idents[i]; 4417 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4418 /* invalid HMACs were found */ ; 4419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4420 error = EINVAL; 4421 sctp_free_hmaclist(hmaclist); 4422 goto sctp_set_hmac_done; 4423 } 4424 } 4425 for (i = 0; i < hmaclist->num_algo; i++) { 4426 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4427 /* already in list */ 4428 break; 4429 } 4430 } 4431 if (i == hmaclist->num_algo) { 4432 /* not found in list */ 4433 sctp_free_hmaclist(hmaclist); 4434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4435 error = EINVAL; 4436 break; 4437 } 4438 /* set it on the endpoint */ 4439 SCTP_INP_WLOCK(inp); 4440 if (inp->sctp_ep.local_hmacs) 4441 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4442 inp->sctp_ep.local_hmacs = hmaclist; 4443 SCTP_INP_WUNLOCK(inp); 4444 sctp_set_hmac_done: 4445 break; 4446 } 4447 case SCTP_AUTH_ACTIVE_KEY: 4448 { 4449 struct sctp_authkeyid *scact; 4450 4451 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4452 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4453 4454 /* set the active key on the right place */ 4455 if (stcb) { 4456 /* set the active key on the assoc */ 4457 if (sctp_auth_setactivekey(stcb, 4458 scact->scact_keynumber)) { 4459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4460 SCTP_FROM_SCTP_USRREQ, 4461 EINVAL); 4462 error = EINVAL; 4463 } 4464 SCTP_TCB_UNLOCK(stcb); 4465 } else { 4466 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4467 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4468 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4469 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4470 SCTP_INP_WLOCK(inp); 4471 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4473 error = EINVAL; 4474 } 4475 SCTP_INP_WUNLOCK(inp); 4476 } 4477 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4478 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4479 SCTP_INP_RLOCK(inp); 4480 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4481 SCTP_TCB_LOCK(stcb); 4482 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4483 SCTP_TCB_UNLOCK(stcb); 4484 } 4485 SCTP_INP_RUNLOCK(inp); 4486 } 4487 } 4488 break; 4489 } 4490 case SCTP_AUTH_DELETE_KEY: 4491 { 4492 struct sctp_authkeyid *scdel; 4493 4494 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4495 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4496 4497 /* delete the key from the right place */ 4498 if (stcb) { 4499 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4501 error = EINVAL; 4502 } 4503 SCTP_TCB_UNLOCK(stcb); 4504 } else { 4505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4507 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4508 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4509 SCTP_INP_WLOCK(inp); 4510 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4512 error = EINVAL; 4513 } 4514 SCTP_INP_WUNLOCK(inp); 4515 } 4516 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4517 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4518 SCTP_INP_RLOCK(inp); 4519 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4520 SCTP_TCB_LOCK(stcb); 4521 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4522 SCTP_TCB_UNLOCK(stcb); 4523 } 4524 SCTP_INP_RUNLOCK(inp); 4525 } 4526 } 4527 break; 4528 } 4529 case SCTP_AUTH_DEACTIVATE_KEY: 4530 { 4531 struct sctp_authkeyid *keyid; 4532 4533 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4534 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4535 4536 /* deactivate the key from the right place */ 4537 if (stcb) { 4538 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4540 error = EINVAL; 4541 } 4542 SCTP_TCB_UNLOCK(stcb); 4543 } else { 4544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4546 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4547 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4548 SCTP_INP_WLOCK(inp); 4549 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4551 error = EINVAL; 4552 } 4553 SCTP_INP_WUNLOCK(inp); 4554 } 4555 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4556 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4557 SCTP_INP_RLOCK(inp); 4558 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4559 SCTP_TCB_LOCK(stcb); 4560 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4561 SCTP_TCB_UNLOCK(stcb); 4562 } 4563 SCTP_INP_RUNLOCK(inp); 4564 } 4565 } 4566 break; 4567 } 4568 case SCTP_ENABLE_STREAM_RESET: 4569 { 4570 struct sctp_assoc_value *av; 4571 4572 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4573 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4575 error = EINVAL; 4576 break; 4577 } 4578 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4579 if (stcb) { 4580 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4581 SCTP_TCB_UNLOCK(stcb); 4582 } else { 4583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4585 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4586 (av->assoc_id == SCTP_ALL_ASSOC)) { 4587 SCTP_INP_WLOCK(inp); 4588 inp->local_strreset_support = (uint8_t)av->assoc_value; 4589 SCTP_INP_WUNLOCK(inp); 4590 } 4591 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4592 (av->assoc_id == SCTP_ALL_ASSOC)) { 4593 SCTP_INP_RLOCK(inp); 4594 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4595 SCTP_TCB_LOCK(stcb); 4596 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4597 SCTP_TCB_UNLOCK(stcb); 4598 } 4599 SCTP_INP_RUNLOCK(inp); 4600 } 4601 4602 } 4603 break; 4604 } 4605 case SCTP_RESET_STREAMS: 4606 { 4607 struct sctp_reset_streams *strrst; 4608 int i, send_out = 0; 4609 int send_in = 0; 4610 4611 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4612 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4613 if (stcb == NULL) { 4614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4615 error = ENOENT; 4616 break; 4617 } 4618 if (stcb->asoc.reconfig_supported == 0) { 4619 /* 4620 * Peer does not support the chunk type. 4621 */ 4622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4623 error = EOPNOTSUPP; 4624 SCTP_TCB_UNLOCK(stcb); 4625 break; 4626 } 4627 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4629 error = EINVAL; 4630 SCTP_TCB_UNLOCK(stcb); 4631 break; 4632 } 4633 if (sizeof(struct sctp_reset_streams) + 4634 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4635 error = EINVAL; 4636 SCTP_TCB_UNLOCK(stcb); 4637 break; 4638 } 4639 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4640 send_in = 1; 4641 if (stcb->asoc.stream_reset_outstanding) { 4642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4643 error = EALREADY; 4644 SCTP_TCB_UNLOCK(stcb); 4645 break; 4646 } 4647 } 4648 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4649 send_out = 1; 4650 } 4651 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4653 error = ENOMEM; 4654 SCTP_TCB_UNLOCK(stcb); 4655 break; 4656 } 4657 if ((send_in == 0) && (send_out == 0)) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4659 error = EINVAL; 4660 SCTP_TCB_UNLOCK(stcb); 4661 break; 4662 } 4663 for (i = 0; i < strrst->srs_number_streams; i++) { 4664 if ((send_in) && 4665 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4667 error = EINVAL; 4668 break; 4669 } 4670 if ((send_out) && 4671 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4673 error = EINVAL; 4674 break; 4675 } 4676 } 4677 if (error) { 4678 SCTP_TCB_UNLOCK(stcb); 4679 break; 4680 } 4681 if (send_out) { 4682 int cnt; 4683 uint16_t strm; 4684 4685 if (strrst->srs_number_streams) { 4686 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4687 strm = strrst->srs_stream_list[i]; 4688 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4689 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4690 cnt++; 4691 } 4692 } 4693 } else { 4694 /* Its all */ 4695 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4696 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4697 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4698 cnt++; 4699 } 4700 } 4701 } 4702 } 4703 if (send_in) { 4704 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4705 strrst->srs_stream_list, 4706 send_in, 0, 0, 0, 0, 0); 4707 } else { 4708 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4709 } 4710 if (error == 0) { 4711 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4712 } else { 4713 /* 4714 * For outgoing streams don't report any 4715 * problems in sending the request to the 4716 * application. XXX: Double check resetting 4717 * incoming streams. 4718 */ 4719 error = 0; 4720 } 4721 SCTP_TCB_UNLOCK(stcb); 4722 break; 4723 } 4724 case SCTP_ADD_STREAMS: 4725 { 4726 struct sctp_add_streams *stradd; 4727 uint8_t addstream = 0; 4728 uint16_t add_o_strmcnt = 0; 4729 uint16_t add_i_strmcnt = 0; 4730 4731 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4732 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4733 if (stcb == NULL) { 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4735 error = ENOENT; 4736 break; 4737 } 4738 if (stcb->asoc.reconfig_supported == 0) { 4739 /* 4740 * Peer does not support the chunk type. 4741 */ 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4743 error = EOPNOTSUPP; 4744 SCTP_TCB_UNLOCK(stcb); 4745 break; 4746 } 4747 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4749 error = EINVAL; 4750 SCTP_TCB_UNLOCK(stcb); 4751 break; 4752 } 4753 if (stcb->asoc.stream_reset_outstanding) { 4754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4755 error = EALREADY; 4756 SCTP_TCB_UNLOCK(stcb); 4757 break; 4758 } 4759 if ((stradd->sas_outstrms == 0) && 4760 (stradd->sas_instrms == 0)) { 4761 error = EINVAL; 4762 goto skip_stuff; 4763 } 4764 if (stradd->sas_outstrms) { 4765 addstream = 1; 4766 /* We allocate here */ 4767 add_o_strmcnt = stradd->sas_outstrms; 4768 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4769 /* You can't have more than 64k */ 4770 error = EINVAL; 4771 goto skip_stuff; 4772 } 4773 } 4774 if (stradd->sas_instrms) { 4775 int cnt; 4776 4777 addstream |= 2; 4778 /* 4779 * We allocate inside 4780 * sctp_send_str_reset_req() 4781 */ 4782 add_i_strmcnt = stradd->sas_instrms; 4783 cnt = add_i_strmcnt; 4784 cnt += stcb->asoc.streamincnt; 4785 if (cnt > 0x0000ffff) { 4786 /* You can't have more than 64k */ 4787 error = EINVAL; 4788 goto skip_stuff; 4789 } 4790 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4791 /* More than you are allowed */ 4792 error = EINVAL; 4793 goto skip_stuff; 4794 } 4795 } 4796 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4797 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4798 skip_stuff: 4799 SCTP_TCB_UNLOCK(stcb); 4800 break; 4801 } 4802 case SCTP_RESET_ASSOC: 4803 { 4804 int i; 4805 uint32_t *value; 4806 4807 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4808 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4809 if (stcb == NULL) { 4810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4811 error = ENOENT; 4812 break; 4813 } 4814 if (stcb->asoc.reconfig_supported == 0) { 4815 /* 4816 * Peer does not support the chunk type. 4817 */ 4818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4819 error = EOPNOTSUPP; 4820 SCTP_TCB_UNLOCK(stcb); 4821 break; 4822 } 4823 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4825 error = EINVAL; 4826 SCTP_TCB_UNLOCK(stcb); 4827 break; 4828 } 4829 if (stcb->asoc.stream_reset_outstanding) { 4830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4831 error = EALREADY; 4832 SCTP_TCB_UNLOCK(stcb); 4833 break; 4834 } 4835 /* 4836 * Is there any data pending in the send or sent 4837 * queues? 4838 */ 4839 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4840 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4841 busy_out: 4842 error = EBUSY; 4843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4844 SCTP_TCB_UNLOCK(stcb); 4845 break; 4846 } 4847 /* Do any streams have data queued? */ 4848 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4849 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4850 goto busy_out; 4851 } 4852 } 4853 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4854 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4855 SCTP_TCB_UNLOCK(stcb); 4856 break; 4857 } 4858 case SCTP_CONNECT_X: 4859 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4861 error = EINVAL; 4862 break; 4863 } 4864 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4865 break; 4866 case SCTP_CONNECT_X_DELAYED: 4867 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4869 error = EINVAL; 4870 break; 4871 } 4872 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4873 break; 4874 case SCTP_CONNECT_X_COMPLETE: 4875 { 4876 struct sockaddr *sa; 4877 4878 /* FIXME MT: check correct? */ 4879 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4880 4881 /* find tcb */ 4882 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4883 SCTP_INP_RLOCK(inp); 4884 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4885 if (stcb) { 4886 SCTP_TCB_LOCK(stcb); 4887 } 4888 SCTP_INP_RUNLOCK(inp); 4889 } else { 4890 /* 4891 * We increment here since 4892 * sctp_findassociation_ep_addr() wil do a 4893 * decrement if it finds the stcb as long as 4894 * the locked tcb (last argument) is NOT a 4895 * TCB.. aka NULL. 4896 */ 4897 SCTP_INP_INCR_REF(inp); 4898 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4899 if (stcb == NULL) { 4900 SCTP_INP_DECR_REF(inp); 4901 } 4902 } 4903 4904 if (stcb == NULL) { 4905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4906 error = ENOENT; 4907 break; 4908 } 4909 if (stcb->asoc.delayed_connection == 1) { 4910 stcb->asoc.delayed_connection = 0; 4911 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4912 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4913 stcb->asoc.primary_destination, 4914 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4915 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4916 } else { 4917 /* 4918 * already expired or did not use delayed 4919 * connectx 4920 */ 4921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4922 error = EALREADY; 4923 } 4924 SCTP_TCB_UNLOCK(stcb); 4925 break; 4926 } 4927 case SCTP_MAX_BURST: 4928 { 4929 struct sctp_assoc_value *av; 4930 4931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4932 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4933 4934 if (stcb) { 4935 stcb->asoc.max_burst = av->assoc_value; 4936 SCTP_TCB_UNLOCK(stcb); 4937 } else { 4938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4940 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4941 (av->assoc_id == SCTP_ALL_ASSOC)) { 4942 SCTP_INP_WLOCK(inp); 4943 inp->sctp_ep.max_burst = av->assoc_value; 4944 SCTP_INP_WUNLOCK(inp); 4945 } 4946 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4947 (av->assoc_id == SCTP_ALL_ASSOC)) { 4948 SCTP_INP_RLOCK(inp); 4949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4950 SCTP_TCB_LOCK(stcb); 4951 stcb->asoc.max_burst = av->assoc_value; 4952 SCTP_TCB_UNLOCK(stcb); 4953 } 4954 SCTP_INP_RUNLOCK(inp); 4955 } 4956 } 4957 break; 4958 } 4959 case SCTP_MAXSEG: 4960 { 4961 struct sctp_assoc_value *av; 4962 int ovh; 4963 4964 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4965 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4966 4967 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4968 ovh = SCTP_MED_OVERHEAD; 4969 } else { 4970 ovh = SCTP_MED_V4_OVERHEAD; 4971 } 4972 if (stcb) { 4973 if (av->assoc_value) { 4974 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4975 } else { 4976 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4977 } 4978 SCTP_TCB_UNLOCK(stcb); 4979 } else { 4980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4981 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4982 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4983 SCTP_INP_WLOCK(inp); 4984 /* 4985 * FIXME MT: I think this is not in 4986 * tune with the API ID 4987 */ 4988 if (av->assoc_value) { 4989 inp->sctp_frag_point = (av->assoc_value + ovh); 4990 } else { 4991 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4992 } 4993 SCTP_INP_WUNLOCK(inp); 4994 } else { 4995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4996 error = EINVAL; 4997 } 4998 } 4999 break; 5000 } 5001 case SCTP_EVENTS: 5002 { 5003 struct sctp_event_subscribe *events; 5004 5005 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5006 5007 SCTP_INP_WLOCK(inp); 5008 if (events->sctp_data_io_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5012 } 5013 5014 if (events->sctp_association_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5018 } 5019 5020 if (events->sctp_address_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5024 } 5025 5026 if (events->sctp_send_failure_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5030 } 5031 5032 if (events->sctp_peer_error_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5036 } 5037 5038 if (events->sctp_shutdown_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5042 } 5043 5044 if (events->sctp_partial_delivery_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5048 } 5049 5050 if (events->sctp_adaptation_layer_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5054 } 5055 5056 if (events->sctp_authentication_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5060 } 5061 5062 if (events->sctp_sender_dry_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5066 } 5067 5068 if (events->sctp_stream_reset_event) { 5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5070 } else { 5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5072 } 5073 SCTP_INP_WUNLOCK(inp); 5074 5075 SCTP_INP_RLOCK(inp); 5076 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5077 SCTP_TCB_LOCK(stcb); 5078 if (events->sctp_association_event) { 5079 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5080 } else { 5081 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5082 } 5083 if (events->sctp_address_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5087 } 5088 if (events->sctp_send_failure_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5092 } 5093 if (events->sctp_peer_error_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5097 } 5098 if (events->sctp_shutdown_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5102 } 5103 if (events->sctp_partial_delivery_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5107 } 5108 if (events->sctp_adaptation_layer_event) { 5109 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5110 } else { 5111 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5112 } 5113 if (events->sctp_authentication_event) { 5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5115 } else { 5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5117 } 5118 if (events->sctp_sender_dry_event) { 5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5120 } else { 5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5122 } 5123 if (events->sctp_stream_reset_event) { 5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5125 } else { 5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5127 } 5128 SCTP_TCB_UNLOCK(stcb); 5129 } 5130 /* 5131 * Send up the sender dry event only for 1-to-1 5132 * style sockets. 5133 */ 5134 if (events->sctp_sender_dry_event) { 5135 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5136 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5137 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5138 if (stcb) { 5139 SCTP_TCB_LOCK(stcb); 5140 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5141 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5142 (stcb->asoc.stream_queue_cnt == 0)) { 5143 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5144 } 5145 SCTP_TCB_UNLOCK(stcb); 5146 } 5147 } 5148 } 5149 SCTP_INP_RUNLOCK(inp); 5150 break; 5151 } 5152 case SCTP_ADAPTATION_LAYER: 5153 { 5154 struct sctp_setadaptation *adap_bits; 5155 5156 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5157 SCTP_INP_WLOCK(inp); 5158 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5159 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5160 SCTP_INP_WUNLOCK(inp); 5161 break; 5162 } 5163 #ifdef SCTP_DEBUG 5164 case SCTP_SET_INITIAL_DBG_SEQ: 5165 { 5166 uint32_t *vvv; 5167 5168 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5169 SCTP_INP_WLOCK(inp); 5170 inp->sctp_ep.initial_sequence_debug = *vvv; 5171 SCTP_INP_WUNLOCK(inp); 5172 break; 5173 } 5174 #endif 5175 case SCTP_DEFAULT_SEND_PARAM: 5176 { 5177 struct sctp_sndrcvinfo *s_info; 5178 5179 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5180 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5181 5182 if (stcb) { 5183 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5184 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5185 } else { 5186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5187 error = EINVAL; 5188 } 5189 SCTP_TCB_UNLOCK(stcb); 5190 } else { 5191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5192 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5193 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5194 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5195 SCTP_INP_WLOCK(inp); 5196 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5197 SCTP_INP_WUNLOCK(inp); 5198 } 5199 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5200 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5201 SCTP_INP_RLOCK(inp); 5202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5203 SCTP_TCB_LOCK(stcb); 5204 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5205 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5206 } 5207 SCTP_TCB_UNLOCK(stcb); 5208 } 5209 SCTP_INP_RUNLOCK(inp); 5210 } 5211 } 5212 break; 5213 } 5214 case SCTP_PEER_ADDR_PARAMS: 5215 { 5216 struct sctp_paddrparams *paddrp; 5217 struct sctp_nets *net; 5218 struct sockaddr *addr; 5219 #if defined(INET) && defined(INET6) 5220 struct sockaddr_in sin_store; 5221 #endif 5222 5223 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5224 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5225 5226 #if defined(INET) && defined(INET6) 5227 if (paddrp->spp_address.ss_family == AF_INET6) { 5228 struct sockaddr_in6 *sin6; 5229 5230 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5231 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5232 in6_sin6_2_sin(&sin_store, sin6); 5233 addr = (struct sockaddr *)&sin_store; 5234 } else { 5235 addr = (struct sockaddr *)&paddrp->spp_address; 5236 } 5237 } else { 5238 addr = (struct sockaddr *)&paddrp->spp_address; 5239 } 5240 #else 5241 addr = (struct sockaddr *)&paddrp->spp_address; 5242 #endif 5243 if (stcb != NULL) { 5244 net = sctp_findnet(stcb, addr); 5245 } else { 5246 /* 5247 * We increment here since 5248 * sctp_findassociation_ep_addr() wil do a 5249 * decrement if it finds the stcb as long as 5250 * the locked tcb (last argument) is NOT a 5251 * TCB.. aka NULL. 5252 */ 5253 net = NULL; 5254 SCTP_INP_INCR_REF(inp); 5255 stcb = sctp_findassociation_ep_addr(&inp, addr, 5256 &net, NULL, NULL); 5257 if (stcb == NULL) { 5258 SCTP_INP_DECR_REF(inp); 5259 } 5260 } 5261 if ((stcb != NULL) && (net == NULL)) { 5262 #ifdef INET 5263 if (addr->sa_family == AF_INET) { 5264 5265 struct sockaddr_in *sin; 5266 5267 sin = (struct sockaddr_in *)addr; 5268 if (sin->sin_addr.s_addr != INADDR_ANY) { 5269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5270 SCTP_TCB_UNLOCK(stcb); 5271 error = EINVAL; 5272 break; 5273 } 5274 } else 5275 #endif 5276 #ifdef INET6 5277 if (addr->sa_family == AF_INET6) { 5278 struct sockaddr_in6 *sin6; 5279 5280 sin6 = (struct sockaddr_in6 *)addr; 5281 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5283 SCTP_TCB_UNLOCK(stcb); 5284 error = EINVAL; 5285 break; 5286 } 5287 } else 5288 #endif 5289 { 5290 error = EAFNOSUPPORT; 5291 SCTP_TCB_UNLOCK(stcb); 5292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5293 break; 5294 } 5295 } 5296 /* sanity checks */ 5297 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5298 if (stcb) 5299 SCTP_TCB_UNLOCK(stcb); 5300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5301 return (EINVAL); 5302 } 5303 5304 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5305 if (stcb) 5306 SCTP_TCB_UNLOCK(stcb); 5307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5308 return (EINVAL); 5309 } 5310 5311 if (stcb != NULL) { 5312 /************************TCB SPECIFIC SET ******************/ 5313 if (net != NULL) { 5314 /************************NET SPECIFIC SET ******************/ 5315 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5316 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5317 !(net->dest_state & SCTP_ADDR_NOHB)) { 5318 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5319 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5320 } 5321 net->dest_state |= SCTP_ADDR_NOHB; 5322 } 5323 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5324 if (paddrp->spp_hbinterval) { 5325 net->heart_beat_delay = paddrp->spp_hbinterval; 5326 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5327 net->heart_beat_delay = 0; 5328 } 5329 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5330 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5331 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5332 net->dest_state &= ~SCTP_ADDR_NOHB; 5333 } 5334 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5335 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5336 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5337 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5338 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5339 } 5340 } 5341 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5342 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5343 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5344 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5345 } 5346 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5347 net->mtu = paddrp->spp_pathmtu; 5348 switch (net->ro._l_addr.sa.sa_family) { 5349 #ifdef INET 5350 case AF_INET: 5351 net->mtu += SCTP_MIN_V4_OVERHEAD; 5352 break; 5353 #endif 5354 #ifdef INET6 5355 case AF_INET6: 5356 net->mtu += SCTP_MIN_OVERHEAD; 5357 break; 5358 #endif 5359 default: 5360 break; 5361 } 5362 if (net->mtu < stcb->asoc.smallest_mtu) { 5363 sctp_pathmtu_adjustment(stcb, net->mtu); 5364 } 5365 } 5366 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5367 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5368 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5369 } 5370 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5371 } 5372 if (paddrp->spp_pathmaxrxt) { 5373 if (net->dest_state & SCTP_ADDR_PF) { 5374 if (net->error_count > paddrp->spp_pathmaxrxt) { 5375 net->dest_state &= ~SCTP_ADDR_PF; 5376 } 5377 } else { 5378 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5379 (net->error_count > net->pf_threshold)) { 5380 net->dest_state |= SCTP_ADDR_PF; 5381 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5382 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5383 stcb->sctp_ep, stcb, net, 5384 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5385 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5386 } 5387 } 5388 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5389 if (net->error_count > paddrp->spp_pathmaxrxt) { 5390 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5391 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5392 } 5393 } else { 5394 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5395 net->dest_state |= SCTP_ADDR_REACHABLE; 5396 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5397 } 5398 } 5399 net->failure_threshold = paddrp->spp_pathmaxrxt; 5400 } 5401 if (paddrp->spp_flags & SPP_DSCP) { 5402 net->dscp = paddrp->spp_dscp & 0xfc; 5403 net->dscp |= 0x01; 5404 } 5405 #ifdef INET6 5406 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5407 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5408 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5409 net->flowlabel |= 0x80000000; 5410 } 5411 } 5412 #endif 5413 } else { 5414 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5415 if (paddrp->spp_pathmaxrxt != 0) { 5416 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5417 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5418 if (net->dest_state & SCTP_ADDR_PF) { 5419 if (net->error_count > paddrp->spp_pathmaxrxt) { 5420 net->dest_state &= ~SCTP_ADDR_PF; 5421 } 5422 } else { 5423 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5424 (net->error_count > net->pf_threshold)) { 5425 net->dest_state |= SCTP_ADDR_PF; 5426 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5427 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5428 stcb->sctp_ep, stcb, net, 5429 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5430 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5431 } 5432 } 5433 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5434 if (net->error_count > paddrp->spp_pathmaxrxt) { 5435 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5436 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5437 } 5438 } else { 5439 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5440 net->dest_state |= SCTP_ADDR_REACHABLE; 5441 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5442 } 5443 } 5444 net->failure_threshold = paddrp->spp_pathmaxrxt; 5445 } 5446 } 5447 5448 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5449 if (paddrp->spp_hbinterval != 0) { 5450 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5451 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5452 stcb->asoc.heart_beat_delay = 0; 5453 } 5454 /* Turn back on the timer */ 5455 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5456 if (paddrp->spp_hbinterval != 0) { 5457 net->heart_beat_delay = paddrp->spp_hbinterval; 5458 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5459 net->heart_beat_delay = 0; 5460 } 5461 if (net->dest_state & SCTP_ADDR_NOHB) { 5462 net->dest_state &= ~SCTP_ADDR_NOHB; 5463 } 5464 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5465 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5466 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5467 } 5468 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5469 } 5470 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5471 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5472 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5473 net->dest_state |= SCTP_ADDR_NOHB; 5474 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5475 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5476 inp, stcb, net, 5477 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5478 } 5479 } 5480 } 5481 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5482 } 5483 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5484 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5485 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5486 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5487 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5488 } 5489 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5490 net->mtu = paddrp->spp_pathmtu; 5491 switch (net->ro._l_addr.sa.sa_family) { 5492 #ifdef INET 5493 case AF_INET: 5494 net->mtu += SCTP_MIN_V4_OVERHEAD; 5495 break; 5496 #endif 5497 #ifdef INET6 5498 case AF_INET6: 5499 net->mtu += SCTP_MIN_OVERHEAD; 5500 break; 5501 #endif 5502 default: 5503 break; 5504 } 5505 if (net->mtu < stcb->asoc.smallest_mtu) { 5506 sctp_pathmtu_adjustment(stcb, net->mtu); 5507 } 5508 } 5509 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5510 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5511 } 5512 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5513 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5514 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5515 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5516 } 5517 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5518 } 5519 stcb->asoc.default_mtu = 0; 5520 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5521 } 5522 if (paddrp->spp_flags & SPP_DSCP) { 5523 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5524 net->dscp = paddrp->spp_dscp & 0xfc; 5525 net->dscp |= 0x01; 5526 } 5527 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5528 stcb->asoc.default_dscp |= 0x01; 5529 } 5530 #ifdef INET6 5531 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5532 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5533 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5534 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5535 net->flowlabel |= 0x80000000; 5536 } 5537 } 5538 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5539 stcb->asoc.default_flowlabel |= 0x80000000; 5540 } 5541 #endif 5542 } 5543 SCTP_TCB_UNLOCK(stcb); 5544 } else { 5545 /************************NO TCB, SET TO default stuff ******************/ 5546 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5547 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5548 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5549 SCTP_INP_WLOCK(inp); 5550 /* 5551 * For the TOS/FLOWLABEL stuff you 5552 * set it with the options on the 5553 * socket 5554 */ 5555 if (paddrp->spp_pathmaxrxt != 0) { 5556 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5557 } 5558 5559 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5560 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5561 else if (paddrp->spp_hbinterval != 0) { 5562 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5563 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5564 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5565 } 5566 5567 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5568 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5569 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5570 } else if (paddrp->spp_hbinterval) { 5571 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5572 } 5573 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5574 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5575 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5576 } 5577 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5578 inp->sctp_ep.default_mtu = 0; 5579 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5580 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5581 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5582 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5583 } 5584 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5585 } 5586 if (paddrp->spp_flags & SPP_DSCP) { 5587 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5588 inp->sctp_ep.default_dscp |= 0x01; 5589 } 5590 #ifdef INET6 5591 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5592 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5593 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5594 inp->sctp_ep.default_flowlabel |= 0x80000000; 5595 } 5596 } 5597 #endif 5598 SCTP_INP_WUNLOCK(inp); 5599 } else { 5600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5601 error = EINVAL; 5602 } 5603 } 5604 break; 5605 } 5606 case SCTP_RTOINFO: 5607 { 5608 struct sctp_rtoinfo *srto; 5609 uint32_t new_init, new_min, new_max; 5610 5611 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5612 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5613 5614 if (stcb) { 5615 if (srto->srto_initial) 5616 new_init = srto->srto_initial; 5617 else 5618 new_init = stcb->asoc.initial_rto; 5619 if (srto->srto_max) 5620 new_max = srto->srto_max; 5621 else 5622 new_max = stcb->asoc.maxrto; 5623 if (srto->srto_min) 5624 new_min = srto->srto_min; 5625 else 5626 new_min = stcb->asoc.minrto; 5627 if ((new_min <= new_init) && (new_init <= new_max)) { 5628 stcb->asoc.initial_rto = new_init; 5629 stcb->asoc.maxrto = new_max; 5630 stcb->asoc.minrto = new_min; 5631 } else { 5632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5633 error = EINVAL; 5634 } 5635 SCTP_TCB_UNLOCK(stcb); 5636 } else { 5637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5638 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5639 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5640 SCTP_INP_WLOCK(inp); 5641 if (srto->srto_initial) 5642 new_init = srto->srto_initial; 5643 else 5644 new_init = inp->sctp_ep.initial_rto; 5645 if (srto->srto_max) 5646 new_max = srto->srto_max; 5647 else 5648 new_max = inp->sctp_ep.sctp_maxrto; 5649 if (srto->srto_min) 5650 new_min = srto->srto_min; 5651 else 5652 new_min = inp->sctp_ep.sctp_minrto; 5653 if ((new_min <= new_init) && (new_init <= new_max)) { 5654 inp->sctp_ep.initial_rto = new_init; 5655 inp->sctp_ep.sctp_maxrto = new_max; 5656 inp->sctp_ep.sctp_minrto = new_min; 5657 } else { 5658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5659 error = EINVAL; 5660 } 5661 SCTP_INP_WUNLOCK(inp); 5662 } else { 5663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5664 error = EINVAL; 5665 } 5666 } 5667 break; 5668 } 5669 case SCTP_ASSOCINFO: 5670 { 5671 struct sctp_assocparams *sasoc; 5672 5673 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5674 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5675 if (sasoc->sasoc_cookie_life) { 5676 /* boundary check the cookie life */ 5677 if (sasoc->sasoc_cookie_life < 1000) 5678 sasoc->sasoc_cookie_life = 1000; 5679 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5680 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5681 } 5682 } 5683 if (stcb) { 5684 if (sasoc->sasoc_asocmaxrxt) 5685 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5686 if (sasoc->sasoc_cookie_life) { 5687 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5688 } 5689 SCTP_TCB_UNLOCK(stcb); 5690 } else { 5691 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5692 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5693 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5694 SCTP_INP_WLOCK(inp); 5695 if (sasoc->sasoc_asocmaxrxt) 5696 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5697 if (sasoc->sasoc_cookie_life) { 5698 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5699 } 5700 SCTP_INP_WUNLOCK(inp); 5701 } else { 5702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5703 error = EINVAL; 5704 } 5705 } 5706 break; 5707 } 5708 case SCTP_INITMSG: 5709 { 5710 struct sctp_initmsg *sinit; 5711 5712 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5713 SCTP_INP_WLOCK(inp); 5714 if (sinit->sinit_num_ostreams) 5715 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5716 5717 if (sinit->sinit_max_instreams) 5718 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5719 5720 if (sinit->sinit_max_attempts) 5721 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5722 5723 if (sinit->sinit_max_init_timeo) 5724 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5725 SCTP_INP_WUNLOCK(inp); 5726 break; 5727 } 5728 case SCTP_PRIMARY_ADDR: 5729 { 5730 struct sctp_setprim *spa; 5731 struct sctp_nets *net; 5732 struct sockaddr *addr; 5733 #if defined(INET) && defined(INET6) 5734 struct sockaddr_in sin_store; 5735 #endif 5736 5737 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5738 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5739 5740 #if defined(INET) && defined(INET6) 5741 if (spa->ssp_addr.ss_family == AF_INET6) { 5742 struct sockaddr_in6 *sin6; 5743 5744 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5745 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5746 in6_sin6_2_sin(&sin_store, sin6); 5747 addr = (struct sockaddr *)&sin_store; 5748 } else { 5749 addr = (struct sockaddr *)&spa->ssp_addr; 5750 } 5751 } else { 5752 addr = (struct sockaddr *)&spa->ssp_addr; 5753 } 5754 #else 5755 addr = (struct sockaddr *)&spa->ssp_addr; 5756 #endif 5757 if (stcb != NULL) { 5758 net = sctp_findnet(stcb, addr); 5759 } else { 5760 /* 5761 * We increment here since 5762 * sctp_findassociation_ep_addr() wil do a 5763 * decrement if it finds the stcb as long as 5764 * the locked tcb (last argument) is NOT a 5765 * TCB.. aka NULL. 5766 */ 5767 net = NULL; 5768 SCTP_INP_INCR_REF(inp); 5769 stcb = sctp_findassociation_ep_addr(&inp, addr, 5770 &net, NULL, NULL); 5771 if (stcb == NULL) { 5772 SCTP_INP_DECR_REF(inp); 5773 } 5774 } 5775 5776 if ((stcb != NULL) && (net != NULL)) { 5777 if (net != stcb->asoc.primary_destination) { 5778 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5779 /* Ok we need to set it */ 5780 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5781 if ((stcb->asoc.alternate) && 5782 (!(net->dest_state & SCTP_ADDR_PF)) && 5783 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5784 sctp_free_remote_addr(stcb->asoc.alternate); 5785 stcb->asoc.alternate = NULL; 5786 } 5787 } else { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 error = EINVAL; 5790 } 5791 } else { 5792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5793 error = EINVAL; 5794 } 5795 } 5796 } else { 5797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5798 error = EINVAL; 5799 } 5800 if (stcb != NULL) { 5801 SCTP_TCB_UNLOCK(stcb); 5802 } 5803 break; 5804 } 5805 case SCTP_SET_DYNAMIC_PRIMARY: 5806 { 5807 union sctp_sockstore *ss; 5808 5809 error = priv_check(curthread, 5810 PRIV_NETINET_RESERVEDPORT); 5811 if (error) 5812 break; 5813 5814 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5815 /* SUPER USER CHECK? */ 5816 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5817 break; 5818 } 5819 case SCTP_SET_PEER_PRIMARY_ADDR: 5820 { 5821 struct sctp_setpeerprim *sspp; 5822 struct sockaddr *addr; 5823 #if defined(INET) && defined(INET6) 5824 struct sockaddr_in sin_store; 5825 #endif 5826 5827 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5828 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5829 if (stcb != NULL) { 5830 struct sctp_ifa *ifa; 5831 5832 #if defined(INET) && defined(INET6) 5833 if (sspp->sspp_addr.ss_family == AF_INET6) { 5834 struct sockaddr_in6 *sin6; 5835 5836 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5837 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5838 in6_sin6_2_sin(&sin_store, sin6); 5839 addr = (struct sockaddr *)&sin_store; 5840 } else { 5841 addr = (struct sockaddr *)&sspp->sspp_addr; 5842 } 5843 } else { 5844 addr = (struct sockaddr *)&sspp->sspp_addr; 5845 } 5846 #else 5847 addr = (struct sockaddr *)&sspp->sspp_addr; 5848 #endif 5849 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5850 if (ifa == NULL) { 5851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5852 error = EINVAL; 5853 goto out_of_it; 5854 } 5855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5856 /* 5857 * Must validate the ifa found is in 5858 * our ep 5859 */ 5860 struct sctp_laddr *laddr; 5861 int found = 0; 5862 5863 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5864 if (laddr->ifa == NULL) { 5865 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5866 __func__); 5867 continue; 5868 } 5869 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5870 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5871 continue; 5872 } 5873 if (laddr->ifa == ifa) { 5874 found = 1; 5875 break; 5876 } 5877 } 5878 if (!found) { 5879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5880 error = EINVAL; 5881 goto out_of_it; 5882 } 5883 } else { 5884 switch (addr->sa_family) { 5885 #ifdef INET 5886 case AF_INET: 5887 { 5888 struct sockaddr_in *sin; 5889 5890 sin = (struct sockaddr_in *)addr; 5891 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5892 &sin->sin_addr) != 0) { 5893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5894 error = EINVAL; 5895 goto out_of_it; 5896 } 5897 break; 5898 } 5899 #endif 5900 #ifdef INET6 5901 case AF_INET6: 5902 { 5903 struct sockaddr_in6 *sin6; 5904 5905 sin6 = (struct sockaddr_in6 *)addr; 5906 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5907 &sin6->sin6_addr) != 0) { 5908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5909 error = EINVAL; 5910 goto out_of_it; 5911 } 5912 break; 5913 } 5914 #endif 5915 default: 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5917 error = EINVAL; 5918 goto out_of_it; 5919 } 5920 } 5921 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5923 error = EINVAL; 5924 } 5925 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5926 out_of_it: 5927 SCTP_TCB_UNLOCK(stcb); 5928 } else { 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 error = EINVAL; 5931 } 5932 break; 5933 } 5934 case SCTP_BINDX_ADD_ADDR: 5935 { 5936 struct sctp_getaddresses *addrs; 5937 struct thread *td; 5938 5939 td = (struct thread *)p; 5940 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5941 optsize); 5942 #ifdef INET 5943 if (addrs->addr->sa_family == AF_INET) { 5944 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5946 error = EINVAL; 5947 break; 5948 } 5949 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5950 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5951 break; 5952 } 5953 } else 5954 #endif 5955 #ifdef INET6 5956 if (addrs->addr->sa_family == AF_INET6) { 5957 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5959 error = EINVAL; 5960 break; 5961 } 5962 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5963 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5964 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5965 break; 5966 } 5967 } else 5968 #endif 5969 { 5970 error = EAFNOSUPPORT; 5971 break; 5972 } 5973 sctp_bindx_add_address(so, inp, addrs->addr, 5974 addrs->sget_assoc_id, vrf_id, 5975 &error, p); 5976 break; 5977 } 5978 case SCTP_BINDX_REM_ADDR: 5979 { 5980 struct sctp_getaddresses *addrs; 5981 struct thread *td; 5982 5983 td = (struct thread *)p; 5984 5985 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5986 #ifdef INET 5987 if (addrs->addr->sa_family == AF_INET) { 5988 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5990 error = EINVAL; 5991 break; 5992 } 5993 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5994 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5995 break; 5996 } 5997 } else 5998 #endif 5999 #ifdef INET6 6000 if (addrs->addr->sa_family == AF_INET6) { 6001 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6003 error = EINVAL; 6004 break; 6005 } 6006 if (td != NULL && 6007 (error = prison_local_ip6(td->td_ucred, 6008 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6009 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6010 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6011 break; 6012 } 6013 } else 6014 #endif 6015 { 6016 error = EAFNOSUPPORT; 6017 break; 6018 } 6019 sctp_bindx_delete_address(inp, addrs->addr, 6020 addrs->sget_assoc_id, vrf_id, 6021 &error); 6022 break; 6023 } 6024 case SCTP_EVENT: 6025 { 6026 struct sctp_event *event; 6027 uint32_t event_type; 6028 6029 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6030 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6031 switch (event->se_type) { 6032 case SCTP_ASSOC_CHANGE: 6033 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6034 break; 6035 case SCTP_PEER_ADDR_CHANGE: 6036 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6037 break; 6038 case SCTP_REMOTE_ERROR: 6039 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6040 break; 6041 case SCTP_SEND_FAILED: 6042 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6043 break; 6044 case SCTP_SHUTDOWN_EVENT: 6045 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6046 break; 6047 case SCTP_ADAPTATION_INDICATION: 6048 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6049 break; 6050 case SCTP_PARTIAL_DELIVERY_EVENT: 6051 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6052 break; 6053 case SCTP_AUTHENTICATION_EVENT: 6054 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6055 break; 6056 case SCTP_STREAM_RESET_EVENT: 6057 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6058 break; 6059 case SCTP_SENDER_DRY_EVENT: 6060 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6061 break; 6062 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6063 event_type = 0; 6064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6065 error = ENOTSUP; 6066 break; 6067 case SCTP_ASSOC_RESET_EVENT: 6068 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6069 break; 6070 case SCTP_STREAM_CHANGE_EVENT: 6071 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6072 break; 6073 case SCTP_SEND_FAILED_EVENT: 6074 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6075 break; 6076 default: 6077 event_type = 0; 6078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6079 error = EINVAL; 6080 break; 6081 } 6082 if (event_type > 0) { 6083 if (stcb) { 6084 if (event->se_on) { 6085 sctp_stcb_feature_on(inp, stcb, event_type); 6086 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6087 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6088 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6089 (stcb->asoc.stream_queue_cnt == 0)) { 6090 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6091 } 6092 } 6093 } else { 6094 sctp_stcb_feature_off(inp, stcb, event_type); 6095 } 6096 SCTP_TCB_UNLOCK(stcb); 6097 } else { 6098 /* 6099 * We don't want to send up a storm 6100 * of events, so return an error for 6101 * sender dry events 6102 */ 6103 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6104 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6105 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6106 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6107 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6109 error = ENOTSUP; 6110 break; 6111 } 6112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6113 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6114 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6115 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6116 SCTP_INP_WLOCK(inp); 6117 if (event->se_on) { 6118 sctp_feature_on(inp, event_type); 6119 } else { 6120 sctp_feature_off(inp, event_type); 6121 } 6122 SCTP_INP_WUNLOCK(inp); 6123 } 6124 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6125 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6126 SCTP_INP_RLOCK(inp); 6127 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6128 SCTP_TCB_LOCK(stcb); 6129 if (event->se_on) { 6130 sctp_stcb_feature_on(inp, stcb, event_type); 6131 } else { 6132 sctp_stcb_feature_off(inp, stcb, event_type); 6133 } 6134 SCTP_TCB_UNLOCK(stcb); 6135 } 6136 SCTP_INP_RUNLOCK(inp); 6137 } 6138 } 6139 } else { 6140 if (stcb) { 6141 SCTP_TCB_UNLOCK(stcb); 6142 } 6143 } 6144 break; 6145 } 6146 case SCTP_RECVRCVINFO: 6147 { 6148 int *onoff; 6149 6150 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6151 SCTP_INP_WLOCK(inp); 6152 if (*onoff != 0) { 6153 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6154 } else { 6155 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6156 } 6157 SCTP_INP_WUNLOCK(inp); 6158 break; 6159 } 6160 case SCTP_RECVNXTINFO: 6161 { 6162 int *onoff; 6163 6164 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6165 SCTP_INP_WLOCK(inp); 6166 if (*onoff != 0) { 6167 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6168 } else { 6169 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6170 } 6171 SCTP_INP_WUNLOCK(inp); 6172 break; 6173 } 6174 case SCTP_DEFAULT_SNDINFO: 6175 { 6176 struct sctp_sndinfo *info; 6177 uint16_t policy; 6178 6179 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6180 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6181 6182 if (stcb) { 6183 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6184 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6185 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6186 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6187 stcb->asoc.def_send.sinfo_flags |= policy; 6188 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6189 stcb->asoc.def_send.sinfo_context = info->snd_context; 6190 } else { 6191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6192 error = EINVAL; 6193 } 6194 SCTP_TCB_UNLOCK(stcb); 6195 } else { 6196 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6197 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6198 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6199 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6200 SCTP_INP_WLOCK(inp); 6201 inp->def_send.sinfo_stream = info->snd_sid; 6202 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6203 inp->def_send.sinfo_flags = info->snd_flags; 6204 inp->def_send.sinfo_flags |= policy; 6205 inp->def_send.sinfo_ppid = info->snd_ppid; 6206 inp->def_send.sinfo_context = info->snd_context; 6207 SCTP_INP_WUNLOCK(inp); 6208 } 6209 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6210 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6211 SCTP_INP_RLOCK(inp); 6212 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6213 SCTP_TCB_LOCK(stcb); 6214 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6215 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6216 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6217 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6218 stcb->asoc.def_send.sinfo_flags |= policy; 6219 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6220 stcb->asoc.def_send.sinfo_context = info->snd_context; 6221 } 6222 SCTP_TCB_UNLOCK(stcb); 6223 } 6224 SCTP_INP_RUNLOCK(inp); 6225 } 6226 } 6227 break; 6228 } 6229 case SCTP_DEFAULT_PRINFO: 6230 { 6231 struct sctp_default_prinfo *info; 6232 6233 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6234 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6235 6236 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6237 if (stcb) { 6238 SCTP_TCB_UNLOCK(stcb); 6239 } 6240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6241 error = EINVAL; 6242 break; 6243 } 6244 if (stcb) { 6245 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6246 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6247 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6248 SCTP_TCB_UNLOCK(stcb); 6249 } else { 6250 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6251 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6252 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6253 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6254 SCTP_INP_WLOCK(inp); 6255 inp->def_send.sinfo_flags &= 0xfff0; 6256 inp->def_send.sinfo_flags |= info->pr_policy; 6257 inp->def_send.sinfo_timetolive = info->pr_value; 6258 SCTP_INP_WUNLOCK(inp); 6259 } 6260 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6261 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6262 SCTP_INP_RLOCK(inp); 6263 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6264 SCTP_TCB_LOCK(stcb); 6265 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6266 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6267 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6268 SCTP_TCB_UNLOCK(stcb); 6269 } 6270 SCTP_INP_RUNLOCK(inp); 6271 } 6272 } 6273 break; 6274 } 6275 case SCTP_PEER_ADDR_THLDS: 6276 /* Applies to the specific association */ 6277 { 6278 struct sctp_paddrthlds *thlds; 6279 struct sctp_nets *net; 6280 struct sockaddr *addr; 6281 #if defined(INET) && defined(INET6) 6282 struct sockaddr_in sin_store; 6283 #endif 6284 6285 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6286 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6287 6288 #if defined(INET) && defined(INET6) 6289 if (thlds->spt_address.ss_family == AF_INET6) { 6290 struct sockaddr_in6 *sin6; 6291 6292 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6293 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6294 in6_sin6_2_sin(&sin_store, sin6); 6295 addr = (struct sockaddr *)&sin_store; 6296 } else { 6297 addr = (struct sockaddr *)&thlds->spt_address; 6298 } 6299 } else { 6300 addr = (struct sockaddr *)&thlds->spt_address; 6301 } 6302 #else 6303 addr = (struct sockaddr *)&thlds->spt_address; 6304 #endif 6305 if (stcb != NULL) { 6306 net = sctp_findnet(stcb, addr); 6307 } else { 6308 /* 6309 * We increment here since 6310 * sctp_findassociation_ep_addr() wil do a 6311 * decrement if it finds the stcb as long as 6312 * the locked tcb (last argument) is NOT a 6313 * TCB.. aka NULL. 6314 */ 6315 net = NULL; 6316 SCTP_INP_INCR_REF(inp); 6317 stcb = sctp_findassociation_ep_addr(&inp, addr, 6318 &net, NULL, NULL); 6319 if (stcb == NULL) { 6320 SCTP_INP_DECR_REF(inp); 6321 } 6322 } 6323 if ((stcb != NULL) && (net == NULL)) { 6324 #ifdef INET 6325 if (addr->sa_family == AF_INET) { 6326 6327 struct sockaddr_in *sin; 6328 6329 sin = (struct sockaddr_in *)addr; 6330 if (sin->sin_addr.s_addr != INADDR_ANY) { 6331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6332 SCTP_TCB_UNLOCK(stcb); 6333 error = EINVAL; 6334 break; 6335 } 6336 } else 6337 #endif 6338 #ifdef INET6 6339 if (addr->sa_family == AF_INET6) { 6340 struct sockaddr_in6 *sin6; 6341 6342 sin6 = (struct sockaddr_in6 *)addr; 6343 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6345 SCTP_TCB_UNLOCK(stcb); 6346 error = EINVAL; 6347 break; 6348 } 6349 } else 6350 #endif 6351 { 6352 error = EAFNOSUPPORT; 6353 SCTP_TCB_UNLOCK(stcb); 6354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6355 break; 6356 } 6357 } 6358 if (thlds->spt_pathcpthld != 0xffff) { 6359 if (stcb != NULL) { 6360 SCTP_TCB_UNLOCK(stcb); 6361 } 6362 error = EINVAL; 6363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6364 break; 6365 } 6366 if (stcb != NULL) { 6367 if (net != NULL) { 6368 net->failure_threshold = thlds->spt_pathmaxrxt; 6369 net->pf_threshold = thlds->spt_pathpfthld; 6370 if (net->dest_state & SCTP_ADDR_PF) { 6371 if ((net->error_count > net->failure_threshold) || 6372 (net->error_count <= net->pf_threshold)) { 6373 net->dest_state &= ~SCTP_ADDR_PF; 6374 } 6375 } else { 6376 if ((net->error_count > net->pf_threshold) && 6377 (net->error_count <= net->failure_threshold)) { 6378 net->dest_state |= SCTP_ADDR_PF; 6379 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6380 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6381 stcb->sctp_ep, stcb, net, 6382 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6383 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6384 } 6385 } 6386 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6387 if (net->error_count > net->failure_threshold) { 6388 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6390 } 6391 } else { 6392 if (net->error_count <= net->failure_threshold) { 6393 net->dest_state |= SCTP_ADDR_REACHABLE; 6394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6395 } 6396 } 6397 } else { 6398 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6399 net->failure_threshold = thlds->spt_pathmaxrxt; 6400 net->pf_threshold = thlds->spt_pathpfthld; 6401 if (net->dest_state & SCTP_ADDR_PF) { 6402 if ((net->error_count > net->failure_threshold) || 6403 (net->error_count <= net->pf_threshold)) { 6404 net->dest_state &= ~SCTP_ADDR_PF; 6405 } 6406 } else { 6407 if ((net->error_count > net->pf_threshold) && 6408 (net->error_count <= net->failure_threshold)) { 6409 net->dest_state |= SCTP_ADDR_PF; 6410 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6411 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6412 stcb->sctp_ep, stcb, net, 6413 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6414 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6415 } 6416 } 6417 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6418 if (net->error_count > net->failure_threshold) { 6419 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6420 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6421 } 6422 } else { 6423 if (net->error_count <= net->failure_threshold) { 6424 net->dest_state |= SCTP_ADDR_REACHABLE; 6425 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6426 } 6427 } 6428 } 6429 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6430 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6431 } 6432 SCTP_TCB_UNLOCK(stcb); 6433 } else { 6434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6436 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6437 SCTP_INP_WLOCK(inp); 6438 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6439 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6440 SCTP_INP_WUNLOCK(inp); 6441 } else { 6442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6443 error = EINVAL; 6444 } 6445 } 6446 break; 6447 } 6448 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6449 { 6450 struct sctp_udpencaps *encaps; 6451 struct sctp_nets *net; 6452 struct sockaddr *addr; 6453 #if defined(INET) && defined(INET6) 6454 struct sockaddr_in sin_store; 6455 #endif 6456 6457 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6458 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6459 6460 #if defined(INET) && defined(INET6) 6461 if (encaps->sue_address.ss_family == AF_INET6) { 6462 struct sockaddr_in6 *sin6; 6463 6464 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6465 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6466 in6_sin6_2_sin(&sin_store, sin6); 6467 addr = (struct sockaddr *)&sin_store; 6468 } else { 6469 addr = (struct sockaddr *)&encaps->sue_address; 6470 } 6471 } else { 6472 addr = (struct sockaddr *)&encaps->sue_address; 6473 } 6474 #else 6475 addr = (struct sockaddr *)&encaps->sue_address; 6476 #endif 6477 if (stcb != NULL) { 6478 net = sctp_findnet(stcb, addr); 6479 } else { 6480 /* 6481 * We increment here since 6482 * sctp_findassociation_ep_addr() wil do a 6483 * decrement if it finds the stcb as long as 6484 * the locked tcb (last argument) is NOT a 6485 * TCB.. aka NULL. 6486 */ 6487 net = NULL; 6488 SCTP_INP_INCR_REF(inp); 6489 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6490 if (stcb == NULL) { 6491 SCTP_INP_DECR_REF(inp); 6492 } 6493 } 6494 if ((stcb != NULL) && (net == NULL)) { 6495 #ifdef INET 6496 if (addr->sa_family == AF_INET) { 6497 6498 struct sockaddr_in *sin; 6499 6500 sin = (struct sockaddr_in *)addr; 6501 if (sin->sin_addr.s_addr != INADDR_ANY) { 6502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6503 SCTP_TCB_UNLOCK(stcb); 6504 error = EINVAL; 6505 break; 6506 } 6507 } else 6508 #endif 6509 #ifdef INET6 6510 if (addr->sa_family == AF_INET6) { 6511 struct sockaddr_in6 *sin6; 6512 6513 sin6 = (struct sockaddr_in6 *)addr; 6514 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6516 SCTP_TCB_UNLOCK(stcb); 6517 error = EINVAL; 6518 break; 6519 } 6520 } else 6521 #endif 6522 { 6523 error = EAFNOSUPPORT; 6524 SCTP_TCB_UNLOCK(stcb); 6525 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6526 break; 6527 } 6528 } 6529 6530 if (stcb != NULL) { 6531 if (net != NULL) { 6532 net->port = encaps->sue_port; 6533 } else { 6534 stcb->asoc.port = encaps->sue_port; 6535 } 6536 SCTP_TCB_UNLOCK(stcb); 6537 } else { 6538 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6539 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6540 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6541 SCTP_INP_WLOCK(inp); 6542 inp->sctp_ep.port = encaps->sue_port; 6543 SCTP_INP_WUNLOCK(inp); 6544 } else { 6545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6546 error = EINVAL; 6547 } 6548 } 6549 break; 6550 } 6551 case SCTP_ECN_SUPPORTED: 6552 { 6553 struct sctp_assoc_value *av; 6554 6555 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6556 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6557 6558 if (stcb) { 6559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6560 error = EINVAL; 6561 SCTP_TCB_UNLOCK(stcb); 6562 } else { 6563 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6564 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6565 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6566 SCTP_INP_WLOCK(inp); 6567 if (av->assoc_value == 0) { 6568 inp->ecn_supported = 0; 6569 } else { 6570 inp->ecn_supported = 1; 6571 } 6572 SCTP_INP_WUNLOCK(inp); 6573 } else { 6574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6575 error = EINVAL; 6576 } 6577 } 6578 break; 6579 } 6580 case SCTP_PR_SUPPORTED: 6581 { 6582 struct sctp_assoc_value *av; 6583 6584 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6585 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6586 6587 if (stcb) { 6588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6589 error = EINVAL; 6590 SCTP_TCB_UNLOCK(stcb); 6591 } else { 6592 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6593 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6594 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6595 SCTP_INP_WLOCK(inp); 6596 if (av->assoc_value == 0) { 6597 inp->prsctp_supported = 0; 6598 } else { 6599 inp->prsctp_supported = 1; 6600 } 6601 SCTP_INP_WUNLOCK(inp); 6602 } else { 6603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6604 error = EINVAL; 6605 } 6606 } 6607 break; 6608 } 6609 case SCTP_AUTH_SUPPORTED: 6610 { 6611 struct sctp_assoc_value *av; 6612 6613 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6614 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6615 6616 if (stcb) { 6617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6618 error = EINVAL; 6619 SCTP_TCB_UNLOCK(stcb); 6620 } else { 6621 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6622 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6623 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6624 if ((av->assoc_value == 0) && 6625 (inp->asconf_supported == 1)) { 6626 /* 6627 * AUTH is required for 6628 * ASCONF 6629 */ 6630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6631 error = EINVAL; 6632 } else { 6633 SCTP_INP_WLOCK(inp); 6634 if (av->assoc_value == 0) { 6635 inp->auth_supported = 0; 6636 } else { 6637 inp->auth_supported = 1; 6638 } 6639 SCTP_INP_WUNLOCK(inp); 6640 } 6641 } else { 6642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6643 error = EINVAL; 6644 } 6645 } 6646 break; 6647 } 6648 case SCTP_ASCONF_SUPPORTED: 6649 { 6650 struct sctp_assoc_value *av; 6651 6652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6653 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6654 6655 if (stcb) { 6656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6657 error = EINVAL; 6658 SCTP_TCB_UNLOCK(stcb); 6659 } else { 6660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6662 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6663 if ((av->assoc_value != 0) && 6664 (inp->auth_supported == 0)) { 6665 /* 6666 * AUTH is required for 6667 * ASCONF 6668 */ 6669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6670 error = EINVAL; 6671 } else { 6672 SCTP_INP_WLOCK(inp); 6673 if (av->assoc_value == 0) { 6674 inp->asconf_supported = 0; 6675 sctp_auth_delete_chunk(SCTP_ASCONF, 6676 inp->sctp_ep.local_auth_chunks); 6677 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6678 inp->sctp_ep.local_auth_chunks); 6679 } else { 6680 inp->asconf_supported = 1; 6681 sctp_auth_add_chunk(SCTP_ASCONF, 6682 inp->sctp_ep.local_auth_chunks); 6683 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6684 inp->sctp_ep.local_auth_chunks); 6685 } 6686 SCTP_INP_WUNLOCK(inp); 6687 } 6688 } else { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 } 6692 } 6693 break; 6694 } 6695 case SCTP_RECONFIG_SUPPORTED: 6696 { 6697 struct sctp_assoc_value *av; 6698 6699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6701 6702 if (stcb) { 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 SCTP_TCB_UNLOCK(stcb); 6706 } else { 6707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6709 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6710 SCTP_INP_WLOCK(inp); 6711 if (av->assoc_value == 0) { 6712 inp->reconfig_supported = 0; 6713 } else { 6714 inp->reconfig_supported = 1; 6715 } 6716 SCTP_INP_WUNLOCK(inp); 6717 } else { 6718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6719 error = EINVAL; 6720 } 6721 } 6722 break; 6723 } 6724 case SCTP_NRSACK_SUPPORTED: 6725 { 6726 struct sctp_assoc_value *av; 6727 6728 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6729 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6730 6731 if (stcb) { 6732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6733 error = EINVAL; 6734 SCTP_TCB_UNLOCK(stcb); 6735 } else { 6736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6738 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6739 SCTP_INP_WLOCK(inp); 6740 if (av->assoc_value == 0) { 6741 inp->nrsack_supported = 0; 6742 } else { 6743 inp->nrsack_supported = 1; 6744 } 6745 SCTP_INP_WUNLOCK(inp); 6746 } else { 6747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6748 error = EINVAL; 6749 } 6750 } 6751 break; 6752 } 6753 case SCTP_PKTDROP_SUPPORTED: 6754 { 6755 struct sctp_assoc_value *av; 6756 6757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6759 6760 if (stcb) { 6761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6762 error = EINVAL; 6763 SCTP_TCB_UNLOCK(stcb); 6764 } else { 6765 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6766 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6767 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6768 SCTP_INP_WLOCK(inp); 6769 if (av->assoc_value == 0) { 6770 inp->pktdrop_supported = 0; 6771 } else { 6772 inp->pktdrop_supported = 1; 6773 } 6774 SCTP_INP_WUNLOCK(inp); 6775 } else { 6776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6777 error = EINVAL; 6778 } 6779 } 6780 break; 6781 } 6782 case SCTP_MAX_CWND: 6783 { 6784 struct sctp_assoc_value *av; 6785 struct sctp_nets *net; 6786 6787 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6788 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6789 6790 if (stcb) { 6791 stcb->asoc.max_cwnd = av->assoc_value; 6792 if (stcb->asoc.max_cwnd > 0) { 6793 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6794 if ((net->cwnd > stcb->asoc.max_cwnd) && 6795 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6796 net->cwnd = stcb->asoc.max_cwnd; 6797 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6798 net->cwnd = net->mtu - sizeof(struct sctphdr); 6799 } 6800 } 6801 } 6802 } 6803 SCTP_TCB_UNLOCK(stcb); 6804 } else { 6805 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6806 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6807 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6808 SCTP_INP_WLOCK(inp); 6809 inp->max_cwnd = av->assoc_value; 6810 SCTP_INP_WUNLOCK(inp); 6811 } else { 6812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6813 error = EINVAL; 6814 } 6815 } 6816 break; 6817 } 6818 default: 6819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6820 error = ENOPROTOOPT; 6821 break; 6822 } /* end switch (opt) */ 6823 return (error); 6824 } 6825 6826 int 6827 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6828 { 6829 void *optval = NULL; 6830 size_t optsize = 0; 6831 void *p; 6832 int error = 0; 6833 struct sctp_inpcb *inp; 6834 6835 if ((sopt->sopt_level == SOL_SOCKET) && 6836 (sopt->sopt_name == SO_SETFIB)) { 6837 inp = (struct sctp_inpcb *)so->so_pcb; 6838 if (inp == NULL) { 6839 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6840 return (EINVAL); 6841 } 6842 SCTP_INP_WLOCK(inp); 6843 inp->fibnum = so->so_fibnum; 6844 SCTP_INP_WUNLOCK(inp); 6845 return (0); 6846 } 6847 if (sopt->sopt_level != IPPROTO_SCTP) { 6848 /* wrong proto level... send back up to IP */ 6849 #ifdef INET6 6850 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6851 error = ip6_ctloutput(so, sopt); 6852 #endif /* INET6 */ 6853 #if defined(INET) && defined(INET6) 6854 else 6855 #endif 6856 #ifdef INET 6857 error = ip_ctloutput(so, sopt); 6858 #endif 6859 return (error); 6860 } 6861 optsize = sopt->sopt_valsize; 6862 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6863 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6864 return (ENOBUFS); 6865 } 6866 if (optsize) { 6867 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6868 if (optval == NULL) { 6869 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6870 return (ENOBUFS); 6871 } 6872 error = sooptcopyin(sopt, optval, optsize, optsize); 6873 if (error) { 6874 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6875 goto out; 6876 } 6877 } 6878 p = (void *)sopt->sopt_td; 6879 if (sopt->sopt_dir == SOPT_SET) { 6880 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6881 } else if (sopt->sopt_dir == SOPT_GET) { 6882 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6883 } else { 6884 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6885 error = EINVAL; 6886 } 6887 if ((error == 0) && (optval != NULL)) { 6888 error = sooptcopyout(sopt, optval, optsize); 6889 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6890 } else if (optval != NULL) { 6891 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6892 } 6893 out: 6894 return (error); 6895 } 6896 6897 #ifdef INET 6898 static int 6899 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6900 { 6901 int error = 0; 6902 int create_lock_on = 0; 6903 uint32_t vrf_id; 6904 struct sctp_inpcb *inp; 6905 struct sctp_tcb *stcb = NULL; 6906 6907 inp = (struct sctp_inpcb *)so->so_pcb; 6908 if (inp == NULL) { 6909 /* I made the same as TCP since we are not setup? */ 6910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6911 return (ECONNRESET); 6912 } 6913 if (addr == NULL) { 6914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6915 return EINVAL; 6916 } 6917 6918 switch (addr->sa_family) { 6919 #ifdef INET6 6920 case AF_INET6: 6921 { 6922 struct sockaddr_in6 *sin6p; 6923 6924 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6926 return (EINVAL); 6927 } 6928 sin6p = (struct sockaddr_in6 *)addr; 6929 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6931 return (error); 6932 } 6933 break; 6934 } 6935 #endif 6936 #ifdef INET 6937 case AF_INET: 6938 { 6939 struct sockaddr_in *sinp; 6940 6941 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6943 return (EINVAL); 6944 } 6945 sinp = (struct sockaddr_in *)addr; 6946 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6948 return (error); 6949 } 6950 break; 6951 } 6952 #endif 6953 default: 6954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6955 return (EAFNOSUPPORT); 6956 } 6957 SCTP_INP_INCR_REF(inp); 6958 SCTP_ASOC_CREATE_LOCK(inp); 6959 create_lock_on = 1; 6960 6961 6962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6963 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6964 /* Should I really unlock ? */ 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6966 error = EFAULT; 6967 goto out_now; 6968 } 6969 #ifdef INET6 6970 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6971 (addr->sa_family == AF_INET6)) { 6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6973 error = EINVAL; 6974 goto out_now; 6975 } 6976 #endif 6977 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6978 SCTP_PCB_FLAGS_UNBOUND) { 6979 /* Bind a ephemeral port */ 6980 error = sctp_inpcb_bind(so, NULL, NULL, p); 6981 if (error) { 6982 goto out_now; 6983 } 6984 } 6985 /* Now do we connect? */ 6986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6987 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6989 error = EINVAL; 6990 goto out_now; 6991 } 6992 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6993 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6994 /* We are already connected AND the TCP model */ 6995 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6996 error = EADDRINUSE; 6997 goto out_now; 6998 } 6999 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7000 SCTP_INP_RLOCK(inp); 7001 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7002 SCTP_INP_RUNLOCK(inp); 7003 } else { 7004 /* 7005 * We increment here since sctp_findassociation_ep_addr() 7006 * will do a decrement if it finds the stcb as long as the 7007 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7008 */ 7009 SCTP_INP_INCR_REF(inp); 7010 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7011 if (stcb == NULL) { 7012 SCTP_INP_DECR_REF(inp); 7013 } else { 7014 SCTP_TCB_UNLOCK(stcb); 7015 } 7016 } 7017 if (stcb != NULL) { 7018 /* Already have or am bring up an association */ 7019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7020 error = EALREADY; 7021 goto out_now; 7022 } 7023 7024 vrf_id = inp->def_vrf_id; 7025 /* We are GOOD to go */ 7026 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7027 inp->sctp_ep.pre_open_stream_count, 7028 inp->sctp_ep.port, p); 7029 if (stcb == NULL) { 7030 /* Gak! no memory */ 7031 goto out_now; 7032 } 7033 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7034 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7035 /* Set the connected flag so we can queue data */ 7036 soisconnecting(so); 7037 } 7038 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7039 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7040 7041 /* initialize authentication parameters for the assoc */ 7042 sctp_initialize_auth_params(inp, stcb); 7043 7044 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7045 SCTP_TCB_UNLOCK(stcb); 7046 out_now: 7047 if (create_lock_on) { 7048 SCTP_ASOC_CREATE_UNLOCK(inp); 7049 } 7050 7051 SCTP_INP_DECR_REF(inp); 7052 return (error); 7053 } 7054 #endif 7055 7056 int 7057 sctp_listen(struct socket *so, int backlog, struct thread *p) 7058 { 7059 /* 7060 * Note this module depends on the protocol processing being called 7061 * AFTER any socket level flags and backlog are applied to the 7062 * socket. The traditional way that the socket flags are applied is 7063 * AFTER protocol processing. We have made a change to the 7064 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7065 * place if the socket API for SCTP is to work properly. 7066 */ 7067 7068 int error = 0; 7069 struct sctp_inpcb *inp; 7070 7071 inp = (struct sctp_inpcb *)so->so_pcb; 7072 if (inp == NULL) { 7073 /* I made the same as TCP since we are not setup? */ 7074 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7075 return (ECONNRESET); 7076 } 7077 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7078 /* See if we have a listener */ 7079 struct sctp_inpcb *tinp; 7080 union sctp_sockstore store; 7081 7082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7083 /* not bound all */ 7084 struct sctp_laddr *laddr; 7085 7086 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7087 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7088 switch (store.sa.sa_family) { 7089 #ifdef INET 7090 case AF_INET: 7091 store.sin.sin_port = inp->sctp_lport; 7092 break; 7093 #endif 7094 #ifdef INET6 7095 case AF_INET6: 7096 store.sin6.sin6_port = inp->sctp_lport; 7097 break; 7098 #endif 7099 default: 7100 break; 7101 } 7102 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7103 if (tinp && (tinp != inp) && 7104 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7105 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7106 (SCTP_IS_LISTENING(tinp))) { 7107 /* 7108 * we have a listener already and 7109 * its not this inp. 7110 */ 7111 SCTP_INP_DECR_REF(tinp); 7112 return (EADDRINUSE); 7113 } else if (tinp) { 7114 SCTP_INP_DECR_REF(tinp); 7115 } 7116 } 7117 } else { 7118 /* Setup a local addr bound all */ 7119 memset(&store, 0, sizeof(store)); 7120 #ifdef INET6 7121 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7122 store.sa.sa_family = AF_INET6; 7123 store.sa.sa_len = sizeof(struct sockaddr_in6); 7124 } 7125 #endif 7126 #ifdef INET 7127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7128 store.sa.sa_family = AF_INET; 7129 store.sa.sa_len = sizeof(struct sockaddr_in); 7130 } 7131 #endif 7132 switch (store.sa.sa_family) { 7133 #ifdef INET 7134 case AF_INET: 7135 store.sin.sin_port = inp->sctp_lport; 7136 break; 7137 #endif 7138 #ifdef INET6 7139 case AF_INET6: 7140 store.sin6.sin6_port = inp->sctp_lport; 7141 break; 7142 #endif 7143 default: 7144 break; 7145 } 7146 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7147 if (tinp && (tinp != inp) && 7148 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7149 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7150 (SCTP_IS_LISTENING(tinp))) { 7151 /* 7152 * we have a listener already and its not 7153 * this inp. 7154 */ 7155 SCTP_INP_DECR_REF(tinp); 7156 return (EADDRINUSE); 7157 } else if (tinp) { 7158 SCTP_INP_DECR_REF(tinp); 7159 } 7160 } 7161 } 7162 SCTP_INP_RLOCK(inp); 7163 #ifdef SCTP_LOCK_LOGGING 7164 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7165 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7166 } 7167 #endif 7168 SOCK_LOCK(so); 7169 error = solisten_proto_check(so); 7170 SOCK_UNLOCK(so); 7171 if (error) { 7172 SCTP_INP_RUNLOCK(inp); 7173 return (error); 7174 } 7175 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7176 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7177 /* 7178 * The unlucky case - We are in the tcp pool with this guy. 7179 * - Someone else is in the main inp slot. - We must move 7180 * this guy (the listener) to the main slot - We must then 7181 * move the guy that was listener to the TCP Pool. 7182 */ 7183 if (sctp_swap_inpcb_for_listen(inp)) { 7184 SCTP_INP_RUNLOCK(inp); 7185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7186 return (EADDRINUSE); 7187 } 7188 } 7189 7190 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7191 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7192 /* We are already connected AND the TCP model */ 7193 SCTP_INP_RUNLOCK(inp); 7194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7195 return (EADDRINUSE); 7196 } 7197 SCTP_INP_RUNLOCK(inp); 7198 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7199 /* We must do a bind. */ 7200 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7201 /* bind error, probably perm */ 7202 return (error); 7203 } 7204 } 7205 SCTP_INP_WLOCK(inp); 7206 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7207 SOCK_LOCK(so); 7208 solisten_proto(so, backlog); 7209 SOCK_UNLOCK(so); 7210 } 7211 if (backlog > 0) { 7212 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7213 } else { 7214 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7215 } 7216 SCTP_INP_WUNLOCK(inp); 7217 return (error); 7218 } 7219 7220 static int sctp_defered_wakeup_cnt = 0; 7221 7222 int 7223 sctp_accept(struct socket *so, struct sockaddr **addr) 7224 { 7225 struct sctp_tcb *stcb; 7226 struct sctp_inpcb *inp; 7227 union sctp_sockstore store; 7228 #ifdef INET6 7229 int error; 7230 #endif 7231 inp = (struct sctp_inpcb *)so->so_pcb; 7232 7233 if (inp == NULL) { 7234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7235 return (ECONNRESET); 7236 } 7237 SCTP_INP_RLOCK(inp); 7238 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7239 SCTP_INP_RUNLOCK(inp); 7240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7241 return (EOPNOTSUPP); 7242 } 7243 if (so->so_state & SS_ISDISCONNECTED) { 7244 SCTP_INP_RUNLOCK(inp); 7245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7246 return (ECONNABORTED); 7247 } 7248 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7249 if (stcb == NULL) { 7250 SCTP_INP_RUNLOCK(inp); 7251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7252 return (ECONNRESET); 7253 } 7254 SCTP_TCB_LOCK(stcb); 7255 SCTP_INP_RUNLOCK(inp); 7256 store = stcb->asoc.primary_destination->ro._l_addr; 7257 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7258 SCTP_TCB_UNLOCK(stcb); 7259 switch (store.sa.sa_family) { 7260 #ifdef INET 7261 case AF_INET: 7262 { 7263 struct sockaddr_in *sin; 7264 7265 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7266 if (sin == NULL) 7267 return (ENOMEM); 7268 sin->sin_family = AF_INET; 7269 sin->sin_len = sizeof(*sin); 7270 sin->sin_port = store.sin.sin_port; 7271 sin->sin_addr = store.sin.sin_addr; 7272 *addr = (struct sockaddr *)sin; 7273 break; 7274 } 7275 #endif 7276 #ifdef INET6 7277 case AF_INET6: 7278 { 7279 struct sockaddr_in6 *sin6; 7280 7281 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7282 if (sin6 == NULL) 7283 return (ENOMEM); 7284 sin6->sin6_family = AF_INET6; 7285 sin6->sin6_len = sizeof(*sin6); 7286 sin6->sin6_port = store.sin6.sin6_port; 7287 sin6->sin6_addr = store.sin6.sin6_addr; 7288 if ((error = sa6_recoverscope(sin6)) != 0) { 7289 SCTP_FREE_SONAME(sin6); 7290 return (error); 7291 } 7292 *addr = (struct sockaddr *)sin6; 7293 break; 7294 } 7295 #endif 7296 default: 7297 /* TSNH */ 7298 break; 7299 } 7300 /* Wake any delayed sleep action */ 7301 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7302 SCTP_INP_WLOCK(inp); 7303 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7304 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7305 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7306 SCTP_INP_WUNLOCK(inp); 7307 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7308 if (sowriteable(inp->sctp_socket)) { 7309 sowwakeup_locked(inp->sctp_socket); 7310 } else { 7311 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7312 } 7313 SCTP_INP_WLOCK(inp); 7314 } 7315 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7316 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7317 SCTP_INP_WUNLOCK(inp); 7318 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7319 if (soreadable(inp->sctp_socket)) { 7320 sctp_defered_wakeup_cnt++; 7321 sorwakeup_locked(inp->sctp_socket); 7322 } else { 7323 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7324 } 7325 SCTP_INP_WLOCK(inp); 7326 } 7327 SCTP_INP_WUNLOCK(inp); 7328 } 7329 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7330 SCTP_TCB_LOCK(stcb); 7331 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7332 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7333 } 7334 return (0); 7335 } 7336 7337 #ifdef INET 7338 int 7339 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7340 { 7341 struct sockaddr_in *sin; 7342 uint32_t vrf_id; 7343 struct sctp_inpcb *inp; 7344 struct sctp_ifa *sctp_ifa; 7345 7346 /* 7347 * Do the malloc first in case it blocks. 7348 */ 7349 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7350 if (sin == NULL) 7351 return (ENOMEM); 7352 sin->sin_family = AF_INET; 7353 sin->sin_len = sizeof(*sin); 7354 inp = (struct sctp_inpcb *)so->so_pcb; 7355 if (!inp) { 7356 SCTP_FREE_SONAME(sin); 7357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7358 return (ECONNRESET); 7359 } 7360 SCTP_INP_RLOCK(inp); 7361 sin->sin_port = inp->sctp_lport; 7362 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7363 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7364 struct sctp_tcb *stcb; 7365 struct sockaddr_in *sin_a; 7366 struct sctp_nets *net; 7367 int fnd; 7368 7369 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7370 if (stcb == NULL) { 7371 goto notConn; 7372 } 7373 fnd = 0; 7374 sin_a = NULL; 7375 SCTP_TCB_LOCK(stcb); 7376 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7377 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7378 if (sin_a == NULL) 7379 /* this will make coverity happy */ 7380 continue; 7381 7382 if (sin_a->sin_family == AF_INET) { 7383 fnd = 1; 7384 break; 7385 } 7386 } 7387 if ((!fnd) || (sin_a == NULL)) { 7388 /* punt */ 7389 SCTP_TCB_UNLOCK(stcb); 7390 goto notConn; 7391 } 7392 7393 vrf_id = inp->def_vrf_id; 7394 sctp_ifa = sctp_source_address_selection(inp, 7395 stcb, 7396 (sctp_route_t *)&net->ro, 7397 net, 0, vrf_id); 7398 if (sctp_ifa) { 7399 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7400 sctp_free_ifa(sctp_ifa); 7401 } 7402 SCTP_TCB_UNLOCK(stcb); 7403 } else { 7404 /* For the bound all case you get back 0 */ 7405 notConn: 7406 sin->sin_addr.s_addr = 0; 7407 } 7408 7409 } else { 7410 /* Take the first IPv4 address in the list */ 7411 struct sctp_laddr *laddr; 7412 int fnd = 0; 7413 7414 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7415 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7416 struct sockaddr_in *sin_a; 7417 7418 sin_a = &laddr->ifa->address.sin; 7419 sin->sin_addr = sin_a->sin_addr; 7420 fnd = 1; 7421 break; 7422 } 7423 } 7424 if (!fnd) { 7425 SCTP_FREE_SONAME(sin); 7426 SCTP_INP_RUNLOCK(inp); 7427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7428 return (ENOENT); 7429 } 7430 } 7431 SCTP_INP_RUNLOCK(inp); 7432 (*addr) = (struct sockaddr *)sin; 7433 return (0); 7434 } 7435 7436 int 7437 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7438 { 7439 struct sockaddr_in *sin; 7440 int fnd; 7441 struct sockaddr_in *sin_a; 7442 struct sctp_inpcb *inp; 7443 struct sctp_tcb *stcb; 7444 struct sctp_nets *net; 7445 7446 /* Do the malloc first in case it blocks. */ 7447 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7448 if (sin == NULL) 7449 return (ENOMEM); 7450 sin->sin_family = AF_INET; 7451 sin->sin_len = sizeof(*sin); 7452 7453 inp = (struct sctp_inpcb *)so->so_pcb; 7454 if ((inp == NULL) || 7455 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7456 /* UDP type and listeners will drop out here */ 7457 SCTP_FREE_SONAME(sin); 7458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7459 return (ENOTCONN); 7460 } 7461 SCTP_INP_RLOCK(inp); 7462 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7463 if (stcb) { 7464 SCTP_TCB_LOCK(stcb); 7465 } 7466 SCTP_INP_RUNLOCK(inp); 7467 if (stcb == NULL) { 7468 SCTP_FREE_SONAME(sin); 7469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7470 return (ECONNRESET); 7471 } 7472 fnd = 0; 7473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7474 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7475 if (sin_a->sin_family == AF_INET) { 7476 fnd = 1; 7477 sin->sin_port = stcb->rport; 7478 sin->sin_addr = sin_a->sin_addr; 7479 break; 7480 } 7481 } 7482 SCTP_TCB_UNLOCK(stcb); 7483 if (!fnd) { 7484 /* No IPv4 address */ 7485 SCTP_FREE_SONAME(sin); 7486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7487 return (ENOENT); 7488 } 7489 (*addr) = (struct sockaddr *)sin; 7490 return (0); 7491 } 7492 7493 struct pr_usrreqs sctp_usrreqs = { 7494 .pru_abort = sctp_abort, 7495 .pru_accept = sctp_accept, 7496 .pru_attach = sctp_attach, 7497 .pru_bind = sctp_bind, 7498 .pru_connect = sctp_connect, 7499 .pru_control = in_control, 7500 .pru_close = sctp_close, 7501 .pru_detach = sctp_close, 7502 .pru_sopoll = sopoll_generic, 7503 .pru_flush = sctp_flush, 7504 .pru_disconnect = sctp_disconnect, 7505 .pru_listen = sctp_listen, 7506 .pru_peeraddr = sctp_peeraddr, 7507 .pru_send = sctp_sendm, 7508 .pru_shutdown = sctp_shutdown, 7509 .pru_sockaddr = sctp_ingetaddr, 7510 .pru_sosend = sctp_sosend, 7511 .pru_soreceive = sctp_soreceive 7512 }; 7513 #endif 7514