1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX whichever is smaller for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 } 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 sctp_pcb_finish(); 99 } 100 101 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 102 #endif 103 104 void 105 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 106 { 107 struct sctp_tmit_chunk *chk; 108 uint16_t overhead; 109 110 /* Adjust that too */ 111 stcb->asoc.smallest_mtu = nxtsz; 112 /* now off to subtract IP_DF flag if needed */ 113 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 114 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 115 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 120 } 121 } 122 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 123 if ((chk->send_size + overhead) > nxtsz) { 124 /* 125 * For this guy we also mark for immediate resend 126 * since we sent to big of chunk 127 */ 128 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 129 if (chk->sent < SCTP_DATAGRAM_RESEND) { 130 sctp_flight_size_decrease(chk); 131 sctp_total_flight_decrease(stcb, chk); 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 134 chk->rec.data.doing_fast_retransmit = 0; 135 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 136 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 137 chk->whoTo->flight_size, 138 chk->book_size, 139 (uint32_t)(uintptr_t)chk->whoTo, 140 chk->rec.data.tsn); 141 } 142 /* Clear any time so NO RTT is being done */ 143 chk->do_rtt = 0; 144 } 145 } 146 } 147 } 148 149 #ifdef INET 150 void 151 sctp_notify(struct sctp_inpcb *inp, 152 struct sctp_tcb *stcb, 153 struct sctp_nets *net, 154 uint8_t icmp_type, 155 uint8_t icmp_code, 156 uint16_t ip_len, 157 uint32_t next_mtu) 158 { 159 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 160 struct socket *so; 161 #endif 162 int timer_stopped; 163 164 if (icmp_type != ICMP_UNREACH) { 165 /* We only care about unreachable */ 166 SCTP_TCB_UNLOCK(stcb); 167 return; 168 } 169 if ((icmp_code == ICMP_UNREACH_NET) || 170 (icmp_code == ICMP_UNREACH_HOST) || 171 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 172 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 173 (icmp_code == ICMP_UNREACH_ISOLATED) || 174 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 175 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 176 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 177 /* Mark the net unreachable. */ 178 if (net->dest_state & SCTP_ADDR_REACHABLE) { 179 /* OK, that destination is NOT reachable. */ 180 net->dest_state &= ~SCTP_ADDR_REACHABLE; 181 net->dest_state &= ~SCTP_ADDR_PF; 182 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 183 stcb, 0, 184 (void *)net, SCTP_SO_NOT_LOCKED); 185 } 186 SCTP_TCB_UNLOCK(stcb); 187 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 188 (icmp_code == ICMP_UNREACH_PORT)) { 189 /* Treat it like an ABORT. */ 190 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 191 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 192 so = SCTP_INP_SO(inp); 193 atomic_add_int(&stcb->asoc.refcnt, 1); 194 SCTP_TCB_UNLOCK(stcb); 195 SCTP_SOCKET_LOCK(so, 1); 196 SCTP_TCB_LOCK(stcb); 197 atomic_subtract_int(&stcb->asoc.refcnt, 1); 198 #endif 199 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 200 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 201 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 202 SCTP_SOCKET_UNLOCK(so, 1); 203 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 204 #endif 205 /* no need to unlock here, since the TCB is gone */ 206 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 207 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 208 SCTP_TCB_UNLOCK(stcb); 209 return; 210 } 211 /* Find the next (smaller) MTU */ 212 if (next_mtu == 0) { 213 /* 214 * Old type router that does not tell us what the 215 * next MTU is. Rats we will have to guess (in a 216 * educated fashion of course). 217 */ 218 next_mtu = sctp_get_prev_mtu(ip_len); 219 } 220 /* Stop the PMTU timer. */ 221 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 222 timer_stopped = 1; 223 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 224 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 225 } else { 226 timer_stopped = 0; 227 } 228 /* Update the path MTU. */ 229 if (net->port) { 230 next_mtu -= sizeof(struct udphdr); 231 } 232 if (net->mtu > next_mtu) { 233 net->mtu = next_mtu; 234 if (net->port) { 235 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 236 } else { 237 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 238 } 239 } 240 /* Update the association MTU */ 241 if (stcb->asoc.smallest_mtu > next_mtu) { 242 sctp_pathmtu_adjustment(stcb, next_mtu); 243 } 244 /* Finally, start the PMTU timer if it was running before. */ 245 if (timer_stopped) { 246 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 247 } 248 SCTP_TCB_UNLOCK(stcb); 249 } else { 250 SCTP_TCB_UNLOCK(stcb); 251 } 252 } 253 254 void 255 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 256 { 257 struct ip *outer_ip; 258 struct ip *inner_ip; 259 struct sctphdr *sh; 260 struct icmp *icmp; 261 struct sctp_inpcb *inp; 262 struct sctp_tcb *stcb; 263 struct sctp_nets *net; 264 struct sctp_init_chunk *ch; 265 struct sockaddr_in src, dst; 266 267 if (sa->sa_family != AF_INET || 268 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 269 return; 270 } 271 if (PRC_IS_REDIRECT(cmd)) { 272 vip = NULL; 273 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 274 return; 275 } 276 if (vip != NULL) { 277 inner_ip = (struct ip *)vip; 278 icmp = (struct icmp *)((caddr_t)inner_ip - 279 (sizeof(struct icmp) - sizeof(struct ip))); 280 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 281 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 282 memset(&src, 0, sizeof(struct sockaddr_in)); 283 src.sin_family = AF_INET; 284 src.sin_len = sizeof(struct sockaddr_in); 285 src.sin_port = sh->src_port; 286 src.sin_addr = inner_ip->ip_src; 287 memset(&dst, 0, sizeof(struct sockaddr_in)); 288 dst.sin_family = AF_INET; 289 dst.sin_len = sizeof(struct sockaddr_in); 290 dst.sin_port = sh->dest_port; 291 dst.sin_addr = inner_ip->ip_dst; 292 /* 293 * 'dst' holds the dest of the packet that failed to be 294 * sent. 'src' holds our local endpoint address. Thus we 295 * reverse the dst and the src in the lookup. 296 */ 297 inp = NULL; 298 net = NULL; 299 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 300 (struct sockaddr *)&src, 301 &inp, &net, 1, 302 SCTP_DEFAULT_VRFID); 303 if ((stcb != NULL) && 304 (net != NULL) && 305 (inp != NULL)) { 306 /* Check the verification tag */ 307 if (ntohl(sh->v_tag) != 0) { 308 /* 309 * This must be the verification tag used 310 * for sending out packets. We don't 311 * consider packets reflecting the 312 * verification tag. 313 */ 314 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 315 SCTP_TCB_UNLOCK(stcb); 316 return; 317 } 318 } else { 319 if (ntohs(outer_ip->ip_len) >= 320 sizeof(struct ip) + 321 8 + (inner_ip->ip_hl << 2) + 20) { 322 /* 323 * In this case we can check if we 324 * got an INIT chunk and if the 325 * initiate tag matches. 326 */ 327 ch = (struct sctp_init_chunk *)(sh + 1); 328 if ((ch->ch.chunk_type != SCTP_INITIATION) || 329 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } else { 334 SCTP_TCB_UNLOCK(stcb); 335 return; 336 } 337 } 338 sctp_notify(inp, stcb, net, 339 icmp->icmp_type, 340 icmp->icmp_code, 341 ntohs(inner_ip->ip_len), 342 (uint32_t)ntohs(icmp->icmp_nextmtu)); 343 } else { 344 if ((stcb == NULL) && (inp != NULL)) { 345 /* reduce ref-count */ 346 SCTP_INP_WLOCK(inp); 347 SCTP_INP_DECR_REF(inp); 348 SCTP_INP_WUNLOCK(inp); 349 } 350 if (stcb) { 351 SCTP_TCB_UNLOCK(stcb); 352 } 353 } 354 } 355 return; 356 } 357 #endif 358 359 static int 360 sctp_getcred(SYSCTL_HANDLER_ARGS) 361 { 362 struct xucred xuc; 363 struct sockaddr_in addrs[2]; 364 struct sctp_inpcb *inp; 365 struct sctp_nets *net; 366 struct sctp_tcb *stcb; 367 int error; 368 uint32_t vrf_id; 369 370 /* FIX, for non-bsd is this right? */ 371 vrf_id = SCTP_DEFAULT_VRFID; 372 373 error = priv_check(req->td, PRIV_NETINET_GETCRED); 374 375 if (error) 376 return (error); 377 378 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 379 if (error) 380 return (error); 381 382 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 383 sintosa(&addrs[0]), 384 &inp, &net, 1, vrf_id); 385 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 386 if ((inp != NULL) && (stcb == NULL)) { 387 /* reduce ref-count */ 388 SCTP_INP_WLOCK(inp); 389 SCTP_INP_DECR_REF(inp); 390 goto cred_can_cont; 391 } 392 393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 394 error = ENOENT; 395 goto out; 396 } 397 SCTP_TCB_UNLOCK(stcb); 398 /* 399 * We use the write lock here, only since in the error leg we need 400 * it. If we used RLOCK, then we would have to 401 * wlock/decr/unlock/rlock. Which in theory could create a hole. 402 * Better to use higher wlock. 403 */ 404 SCTP_INP_WLOCK(inp); 405 cred_can_cont: 406 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 407 if (error) { 408 SCTP_INP_WUNLOCK(inp); 409 goto out; 410 } 411 cru2x(inp->sctp_socket->so_cred, &xuc); 412 SCTP_INP_WUNLOCK(inp); 413 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 414 out: 415 return (error); 416 } 417 418 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 419 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 420 421 422 #ifdef INET 423 static void 424 sctp_abort(struct socket *so) 425 { 426 struct sctp_inpcb *inp; 427 uint32_t flags; 428 429 inp = (struct sctp_inpcb *)so->so_pcb; 430 if (inp == NULL) { 431 return; 432 } 433 434 sctp_must_try_again: 435 flags = inp->sctp_flags; 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 17); 438 #endif 439 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 440 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 441 #ifdef SCTP_LOG_CLOSING 442 sctp_log_closing(inp, NULL, 16); 443 #endif 444 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 445 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 446 SOCK_LOCK(so); 447 SCTP_SB_CLEAR(so->so_snd); 448 /* 449 * same for the rcv ones, they are only here for the 450 * accounting/select. 451 */ 452 SCTP_SB_CLEAR(so->so_rcv); 453 454 /* Now null out the reference, we are completely detached. */ 455 so->so_pcb = NULL; 456 SOCK_UNLOCK(so); 457 } else { 458 flags = inp->sctp_flags; 459 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 460 goto sctp_must_try_again; 461 } 462 } 463 return; 464 } 465 466 static int 467 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 468 { 469 struct sctp_inpcb *inp; 470 struct inpcb *ip_inp; 471 int error; 472 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 473 474 inp = (struct sctp_inpcb *)so->so_pcb; 475 if (inp != NULL) { 476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 477 return (EINVAL); 478 } 479 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 480 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 481 if (error) { 482 return (error); 483 } 484 } 485 error = sctp_inpcb_alloc(so, vrf_id); 486 if (error) { 487 return (error); 488 } 489 inp = (struct sctp_inpcb *)so->so_pcb; 490 SCTP_INP_WLOCK(inp); 491 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 492 ip_inp = &inp->ip_inp.inp; 493 ip_inp->inp_vflag |= INP_IPV4; 494 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 495 SCTP_INP_WUNLOCK(inp); 496 return (0); 497 } 498 499 static int 500 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 501 { 502 struct sctp_inpcb *inp; 503 504 inp = (struct sctp_inpcb *)so->so_pcb; 505 if (inp == NULL) { 506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 507 return (EINVAL); 508 } 509 if (addr != NULL) { 510 if ((addr->sa_family != AF_INET) || 511 (addr->sa_len != sizeof(struct sockaddr_in))) { 512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 513 return (EINVAL); 514 } 515 } 516 return (sctp_inpcb_bind(so, addr, NULL, p)); 517 } 518 519 #endif 520 void 521 sctp_close(struct socket *so) 522 { 523 struct sctp_inpcb *inp; 524 uint32_t flags; 525 526 inp = (struct sctp_inpcb *)so->so_pcb; 527 if (inp == NULL) 528 return; 529 530 /* 531 * Inform all the lower layer assoc that we are done. 532 */ 533 sctp_must_try_again: 534 flags = inp->sctp_flags; 535 #ifdef SCTP_LOG_CLOSING 536 sctp_log_closing(inp, NULL, 17); 537 #endif 538 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 539 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 540 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 541 (so->so_rcv.sb_cc > 0)) { 542 #ifdef SCTP_LOG_CLOSING 543 sctp_log_closing(inp, NULL, 13); 544 #endif 545 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 546 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 547 } else { 548 #ifdef SCTP_LOG_CLOSING 549 sctp_log_closing(inp, NULL, 14); 550 #endif 551 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 552 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 553 } 554 /* 555 * The socket is now detached, no matter what the state of 556 * the SCTP association. 557 */ 558 SOCK_LOCK(so); 559 SCTP_SB_CLEAR(so->so_snd); 560 /* 561 * same for the rcv ones, they are only here for the 562 * accounting/select. 563 */ 564 SCTP_SB_CLEAR(so->so_rcv); 565 566 /* Now null out the reference, we are completely detached. */ 567 so->so_pcb = NULL; 568 SOCK_UNLOCK(so); 569 } else { 570 flags = inp->sctp_flags; 571 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 572 goto sctp_must_try_again; 573 } 574 } 575 return; 576 } 577 578 579 int 580 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 581 struct mbuf *control, struct thread *p); 582 583 584 int 585 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 586 struct mbuf *control, struct thread *p) 587 { 588 struct sctp_inpcb *inp; 589 int error; 590 591 inp = (struct sctp_inpcb *)so->so_pcb; 592 if (inp == NULL) { 593 if (control) { 594 sctp_m_freem(control); 595 control = NULL; 596 } 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 sctp_m_freem(m); 599 return (EINVAL); 600 } 601 /* Got to have an to address if we are NOT a connected socket */ 602 if ((addr == NULL) && 603 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 604 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 605 goto connected_type; 606 } else if (addr == NULL) { 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 error = EDESTADDRREQ; 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 return (error); 615 } 616 #ifdef INET6 617 if (addr->sa_family != AF_INET) { 618 /* must be a v4 address! */ 619 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 620 sctp_m_freem(m); 621 if (control) { 622 sctp_m_freem(control); 623 control = NULL; 624 } 625 error = EDESTADDRREQ; 626 return (error); 627 } 628 #endif /* INET6 */ 629 connected_type: 630 /* now what about control */ 631 if (control) { 632 if (inp->control) { 633 sctp_m_freem(inp->control); 634 inp->control = NULL; 635 } 636 inp->control = control; 637 } 638 /* Place the data */ 639 if (inp->pkt) { 640 SCTP_BUF_NEXT(inp->pkt_last) = m; 641 inp->pkt_last = m; 642 } else { 643 inp->pkt_last = inp->pkt = m; 644 } 645 if ( 646 /* FreeBSD uses a flag passed */ 647 ((flags & PRUS_MORETOCOME) == 0) 648 ) { 649 /* 650 * note with the current version this code will only be used 651 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 652 * re-defining sosend to use the sctp_sosend. One can 653 * optionally switch back to this code (by changing back the 654 * definitions) but this is not advisable. This code is used 655 * by FreeBSD when sending a file with sendfile() though. 656 */ 657 int ret; 658 659 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 660 inp->pkt = NULL; 661 inp->control = NULL; 662 return (ret); 663 } else { 664 return (0); 665 } 666 } 667 668 int 669 sctp_disconnect(struct socket *so) 670 { 671 struct sctp_inpcb *inp; 672 673 inp = (struct sctp_inpcb *)so->so_pcb; 674 if (inp == NULL) { 675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 676 return (ENOTCONN); 677 } 678 SCTP_INP_RLOCK(inp); 679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 681 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 682 /* No connection */ 683 SCTP_INP_RUNLOCK(inp); 684 return (0); 685 } else { 686 struct sctp_association *asoc; 687 struct sctp_tcb *stcb; 688 689 stcb = LIST_FIRST(&inp->sctp_asoc_list); 690 if (stcb == NULL) { 691 SCTP_INP_RUNLOCK(inp); 692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 693 return (EINVAL); 694 } 695 SCTP_TCB_LOCK(stcb); 696 asoc = &stcb->asoc; 697 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 698 /* We are about to be freed, out of here */ 699 SCTP_TCB_UNLOCK(stcb); 700 SCTP_INP_RUNLOCK(inp); 701 return (0); 702 } 703 if (((so->so_options & SO_LINGER) && 704 (so->so_linger == 0)) || 705 (so->so_rcv.sb_cc > 0)) { 706 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 707 /* Left with Data unread */ 708 struct mbuf *op_err; 709 710 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 711 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 712 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 713 } 714 SCTP_INP_RUNLOCK(inp); 715 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 716 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 717 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 718 } 719 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 720 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 721 /* No unlock tcb assoc is gone */ 722 return (0); 723 } 724 if (TAILQ_EMPTY(&asoc->send_queue) && 725 TAILQ_EMPTY(&asoc->sent_queue) && 726 (asoc->stream_queue_cnt == 0)) { 727 /* there is nothing queued to send, so done */ 728 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 729 goto abort_anyway; 730 } 731 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 732 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 733 /* only send SHUTDOWN 1st time thru */ 734 struct sctp_nets *netp; 735 736 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 737 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 738 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 739 } 740 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 741 sctp_stop_timers_for_shutdown(stcb); 742 if (stcb->asoc.alternate) { 743 netp = stcb->asoc.alternate; 744 } else { 745 netp = stcb->asoc.primary_destination; 746 } 747 sctp_send_shutdown(stcb, netp); 748 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 749 stcb->sctp_ep, stcb, netp); 750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 751 stcb->sctp_ep, stcb, netp); 752 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 753 } 754 } else { 755 /* 756 * we still got (or just got) data to send, 757 * so set SHUTDOWN_PENDING 758 */ 759 /* 760 * XXX sockets draft says that SCTP_EOF 761 * should be sent with no data. currently, 762 * we will allow user data to be sent first 763 * and move to SHUTDOWN-PENDING 764 */ 765 struct sctp_nets *netp; 766 767 if (stcb->asoc.alternate) { 768 netp = stcb->asoc.alternate; 769 } else { 770 netp = stcb->asoc.primary_destination; 771 } 772 773 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 774 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 775 netp); 776 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 777 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 778 } 779 if (TAILQ_EMPTY(&asoc->send_queue) && 780 TAILQ_EMPTY(&asoc->sent_queue) && 781 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 782 struct mbuf *op_err; 783 784 abort_anyway: 785 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 786 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 787 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 788 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 789 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 790 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 791 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 792 } 793 SCTP_INP_RUNLOCK(inp); 794 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 795 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 796 return (0); 797 } else { 798 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 799 } 800 } 801 soisdisconnecting(so); 802 SCTP_TCB_UNLOCK(stcb); 803 SCTP_INP_RUNLOCK(inp); 804 return (0); 805 } 806 /* not reached */ 807 } else { 808 /* UDP model does not support this */ 809 SCTP_INP_RUNLOCK(inp); 810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 811 return (EOPNOTSUPP); 812 } 813 } 814 815 int 816 sctp_flush(struct socket *so, int how) 817 { 818 /* 819 * We will just clear out the values and let subsequent close clear 820 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 821 * they will not be able to read the data, the socket will block 822 * that from happening. 823 */ 824 struct sctp_inpcb *inp; 825 826 inp = (struct sctp_inpcb *)so->so_pcb; 827 if (inp == NULL) { 828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 829 return (EINVAL); 830 } 831 SCTP_INP_RLOCK(inp); 832 /* For the 1 to many model this does nothing */ 833 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 834 SCTP_INP_RUNLOCK(inp); 835 return (0); 836 } 837 SCTP_INP_RUNLOCK(inp); 838 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 839 /* 840 * First make sure the sb will be happy, we don't use these 841 * except maybe the count 842 */ 843 SCTP_INP_WLOCK(inp); 844 SCTP_INP_READ_LOCK(inp); 845 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 846 SCTP_INP_READ_UNLOCK(inp); 847 SCTP_INP_WUNLOCK(inp); 848 so->so_rcv.sb_cc = 0; 849 so->so_rcv.sb_mbcnt = 0; 850 so->so_rcv.sb_mb = NULL; 851 } 852 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 853 /* 854 * First make sure the sb will be happy, we don't use these 855 * except maybe the count 856 */ 857 so->so_snd.sb_cc = 0; 858 so->so_snd.sb_mbcnt = 0; 859 so->so_snd.sb_mb = NULL; 860 861 } 862 return (0); 863 } 864 865 int 866 sctp_shutdown(struct socket *so) 867 { 868 struct sctp_inpcb *inp; 869 870 inp = (struct sctp_inpcb *)so->so_pcb; 871 if (inp == NULL) { 872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 873 return (EINVAL); 874 } 875 SCTP_INP_RLOCK(inp); 876 /* For UDP model this is a invalid call */ 877 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 878 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 879 /* Restore the flags that the soshutdown took away. */ 880 SOCKBUF_LOCK(&so->so_rcv); 881 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 882 SOCKBUF_UNLOCK(&so->so_rcv); 883 /* This proc will wakeup for read and do nothing (I hope) */ 884 SCTP_INP_RUNLOCK(inp); 885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 886 return (EOPNOTSUPP); 887 } else { 888 /* 889 * Ok, if we reach here its the TCP model and it is either a 890 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 891 * against it. 892 */ 893 struct sctp_tcb *stcb; 894 struct sctp_association *asoc; 895 struct sctp_nets *netp; 896 897 if ((so->so_state & 898 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 899 SCTP_INP_RUNLOCK(inp); 900 return (ENOTCONN); 901 } 902 socantsendmore(so); 903 904 stcb = LIST_FIRST(&inp->sctp_asoc_list); 905 if (stcb == NULL) { 906 /* 907 * Ok, we hit the case that the shutdown call was 908 * made after an abort or something. Nothing to do 909 * now. 910 */ 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 SCTP_TCB_LOCK(stcb); 915 asoc = &stcb->asoc; 916 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 922 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 923 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 924 /* 925 * If we are not in or before ESTABLISHED, there is 926 * no protocol action required. 927 */ 928 SCTP_TCB_UNLOCK(stcb); 929 SCTP_INP_RUNLOCK(inp); 930 return (0); 931 } 932 if (stcb->asoc.alternate) { 933 netp = stcb->asoc.alternate; 934 } else { 935 netp = stcb->asoc.primary_destination; 936 } 937 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 938 TAILQ_EMPTY(&asoc->send_queue) && 939 TAILQ_EMPTY(&asoc->sent_queue) && 940 (asoc->stream_queue_cnt == 0)) { 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 goto abort_anyway; 943 } 944 /* there is nothing queued to send, so I'm done... */ 945 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 946 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 947 sctp_stop_timers_for_shutdown(stcb); 948 sctp_send_shutdown(stcb, netp); 949 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 950 stcb->sctp_ep, stcb, netp); 951 } else { 952 /* 953 * We still got (or just got) data to send, so set 954 * SHUTDOWN_PENDING. 955 */ 956 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 957 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 958 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 959 } 960 if (TAILQ_EMPTY(&asoc->send_queue) && 961 TAILQ_EMPTY(&asoc->sent_queue) && 962 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 963 struct mbuf *op_err; 964 965 abort_anyway: 966 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 967 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968 sctp_abort_an_association(stcb->sctp_ep, stcb, 969 op_err, SCTP_SO_LOCKED); 970 SCTP_INP_RUNLOCK(inp); 971 return (0); 972 } 973 } 974 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 975 /* 976 * XXX: Why do this in the case where we have still data 977 * queued? 978 */ 979 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 980 SCTP_TCB_UNLOCK(stcb); 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 } 985 986 /* 987 * copies a "user" presentable address and removes embedded scope, etc. 988 * returns 0 on success, 1 on error 989 */ 990 static uint32_t 991 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 992 { 993 #ifdef INET6 994 struct sockaddr_in6 lsa6; 995 996 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 997 &lsa6); 998 #endif 999 memcpy(ss, sa, sa->sa_len); 1000 return (0); 1001 } 1002 1003 1004 1005 /* 1006 * NOTE: assumes addr lock is held 1007 */ 1008 static size_t 1009 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1010 struct sctp_tcb *stcb, 1011 size_t limit, 1012 struct sockaddr_storage *sas, 1013 uint32_t vrf_id) 1014 { 1015 struct sctp_ifn *sctp_ifn; 1016 struct sctp_ifa *sctp_ifa; 1017 size_t actual; 1018 int loopback_scope; 1019 #if defined(INET) 1020 int ipv4_local_scope, ipv4_addr_legal; 1021 #endif 1022 #if defined(INET6) 1023 int local_scope, site_scope, ipv6_addr_legal; 1024 #endif 1025 struct sctp_vrf *vrf; 1026 1027 actual = 0; 1028 if (limit <= 0) 1029 return (actual); 1030 1031 if (stcb) { 1032 /* Turn on all the appropriate scope */ 1033 loopback_scope = stcb->asoc.scope.loopback_scope; 1034 #if defined(INET) 1035 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1036 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1037 #endif 1038 #if defined(INET6) 1039 local_scope = stcb->asoc.scope.local_scope; 1040 site_scope = stcb->asoc.scope.site_scope; 1041 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1042 #endif 1043 } else { 1044 /* Use generic values for endpoints. */ 1045 loopback_scope = 1; 1046 #if defined(INET) 1047 ipv4_local_scope = 1; 1048 #endif 1049 #if defined(INET6) 1050 local_scope = 1; 1051 site_scope = 1; 1052 #endif 1053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1054 #if defined(INET6) 1055 ipv6_addr_legal = 1; 1056 #endif 1057 #if defined(INET) 1058 if (SCTP_IPV6_V6ONLY(inp)) { 1059 ipv4_addr_legal = 0; 1060 } else { 1061 ipv4_addr_legal = 1; 1062 } 1063 #endif 1064 } else { 1065 #if defined(INET6) 1066 ipv6_addr_legal = 0; 1067 #endif 1068 #if defined(INET) 1069 ipv4_addr_legal = 1; 1070 #endif 1071 } 1072 } 1073 vrf = sctp_find_vrf(vrf_id); 1074 if (vrf == NULL) { 1075 return (0); 1076 } 1077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1078 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1079 if ((loopback_scope == 0) && 1080 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1081 /* Skip loopback if loopback_scope not set */ 1082 continue; 1083 } 1084 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1085 if (stcb) { 1086 /* 1087 * For the BOUND-ALL case, the list 1088 * associated with a TCB is Always 1089 * considered a reverse list.. i.e. 1090 * it lists addresses that are NOT 1091 * part of the association. If this 1092 * is one of those we must skip it. 1093 */ 1094 if (sctp_is_addr_restricted(stcb, 1095 sctp_ifa)) { 1096 continue; 1097 } 1098 } 1099 switch (sctp_ifa->address.sa.sa_family) { 1100 #ifdef INET 1101 case AF_INET: 1102 if (ipv4_addr_legal) { 1103 struct sockaddr_in *sin; 1104 1105 sin = &sctp_ifa->address.sin; 1106 if (sin->sin_addr.s_addr == 0) { 1107 /* 1108 * we skip 1109 * unspecifed 1110 * addresses 1111 */ 1112 continue; 1113 } 1114 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1115 &sin->sin_addr) != 0) { 1116 continue; 1117 } 1118 if ((ipv4_local_scope == 0) && 1119 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1120 continue; 1121 } 1122 #ifdef INET6 1123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1124 if (actual + sizeof(struct sockaddr_in6) > limit) { 1125 return (actual); 1126 } 1127 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1128 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1129 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1130 actual += sizeof(struct sockaddr_in6); 1131 } else { 1132 #endif 1133 if (actual + sizeof(struct sockaddr_in) > limit) { 1134 return (actual); 1135 } 1136 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1137 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1138 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1139 actual += sizeof(struct sockaddr_in); 1140 #ifdef INET6 1141 } 1142 #endif 1143 } else { 1144 continue; 1145 } 1146 break; 1147 #endif 1148 #ifdef INET6 1149 case AF_INET6: 1150 if (ipv6_addr_legal) { 1151 struct sockaddr_in6 *sin6; 1152 1153 sin6 = &sctp_ifa->address.sin6; 1154 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1155 /* 1156 * we skip 1157 * unspecifed 1158 * addresses 1159 */ 1160 continue; 1161 } 1162 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1163 &sin6->sin6_addr) != 0) { 1164 continue; 1165 } 1166 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1167 if (local_scope == 0) 1168 continue; 1169 if (sin6->sin6_scope_id == 0) { 1170 if (sa6_recoverscope(sin6) != 0) 1171 /* 1172 * 1173 * bad 1174 * link 1175 * 1176 * local 1177 * 1178 * address 1179 */ 1180 continue; 1181 } 1182 } 1183 if ((site_scope == 0) && 1184 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1185 continue; 1186 } 1187 if (actual + sizeof(struct sockaddr_in6) > limit) { 1188 return (actual); 1189 } 1190 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1191 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1192 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1193 actual += sizeof(struct sockaddr_in6); 1194 } else { 1195 continue; 1196 } 1197 break; 1198 #endif 1199 default: 1200 /* TSNH */ 1201 break; 1202 } 1203 } 1204 } 1205 } else { 1206 struct sctp_laddr *laddr; 1207 size_t sa_len; 1208 1209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1210 if (stcb) { 1211 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1212 continue; 1213 } 1214 } 1215 sa_len = laddr->ifa->address.sa.sa_len; 1216 if (actual + sa_len > limit) { 1217 return (actual); 1218 } 1219 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1220 continue; 1221 switch (laddr->ifa->address.sa.sa_family) { 1222 #ifdef INET 1223 case AF_INET: 1224 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 default: 1233 /* TSNH */ 1234 break; 1235 } 1236 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1237 actual += sa_len; 1238 } 1239 } 1240 return (actual); 1241 } 1242 1243 static size_t 1244 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1245 struct sctp_tcb *stcb, 1246 size_t limit, 1247 struct sockaddr_storage *sas) 1248 { 1249 size_t size = 0; 1250 1251 SCTP_IPI_ADDR_RLOCK(); 1252 /* fill up addresses for the endpoint's default vrf */ 1253 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1254 inp->def_vrf_id); 1255 SCTP_IPI_ADDR_RUNLOCK(); 1256 return (size); 1257 } 1258 1259 /* 1260 * NOTE: assumes addr lock is held 1261 */ 1262 static int 1263 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1264 { 1265 int cnt = 0; 1266 struct sctp_vrf *vrf = NULL; 1267 1268 /* 1269 * In both sub-set bound an bound_all cases we return the MAXIMUM 1270 * number of addresses that you COULD get. In reality the sub-set 1271 * bound may have an exclusion list for a given TCB OR in the 1272 * bound-all case a TCB may NOT include the loopback or other 1273 * addresses as well. 1274 */ 1275 vrf = sctp_find_vrf(vrf_id); 1276 if (vrf == NULL) { 1277 return (0); 1278 } 1279 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1280 struct sctp_ifn *sctp_ifn; 1281 struct sctp_ifa *sctp_ifa; 1282 1283 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1284 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1285 /* Count them if they are the right type */ 1286 switch (sctp_ifa->address.sa.sa_family) { 1287 #ifdef INET 1288 case AF_INET: 1289 #ifdef INET6 1290 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1291 cnt += sizeof(struct sockaddr_in6); 1292 else 1293 cnt += sizeof(struct sockaddr_in); 1294 #else 1295 cnt += sizeof(struct sockaddr_in); 1296 #endif 1297 break; 1298 #endif 1299 #ifdef INET6 1300 case AF_INET6: 1301 cnt += sizeof(struct sockaddr_in6); 1302 break; 1303 #endif 1304 default: 1305 break; 1306 } 1307 } 1308 } 1309 } else { 1310 struct sctp_laddr *laddr; 1311 1312 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1313 switch (laddr->ifa->address.sa.sa_family) { 1314 #ifdef INET 1315 case AF_INET: 1316 #ifdef INET6 1317 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1318 cnt += sizeof(struct sockaddr_in6); 1319 else 1320 cnt += sizeof(struct sockaddr_in); 1321 #else 1322 cnt += sizeof(struct sockaddr_in); 1323 #endif 1324 break; 1325 #endif 1326 #ifdef INET6 1327 case AF_INET6: 1328 cnt += sizeof(struct sockaddr_in6); 1329 break; 1330 #endif 1331 default: 1332 break; 1333 } 1334 } 1335 } 1336 return (cnt); 1337 } 1338 1339 static int 1340 sctp_count_max_addresses(struct sctp_inpcb *inp) 1341 { 1342 int cnt = 0; 1343 1344 SCTP_IPI_ADDR_RLOCK(); 1345 /* count addresses for the endpoint's default VRF */ 1346 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1347 SCTP_IPI_ADDR_RUNLOCK(); 1348 return (cnt); 1349 } 1350 1351 static int 1352 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1353 size_t optsize, void *p, int delay) 1354 { 1355 int error = 0; 1356 int creat_lock_on = 0; 1357 struct sctp_tcb *stcb = NULL; 1358 struct sockaddr *sa; 1359 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1360 uint32_t vrf_id; 1361 int bad_addresses = 0; 1362 sctp_assoc_t *a_id; 1363 1364 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1365 1366 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1367 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1368 /* We are already connected AND the TCP model */ 1369 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1370 return (EADDRINUSE); 1371 } 1372 1373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1374 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1375 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1376 return (EINVAL); 1377 } 1378 1379 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1380 SCTP_INP_RLOCK(inp); 1381 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1382 SCTP_INP_RUNLOCK(inp); 1383 } 1384 if (stcb) { 1385 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1386 return (EALREADY); 1387 } 1388 SCTP_INP_INCR_REF(inp); 1389 SCTP_ASOC_CREATE_LOCK(inp); 1390 creat_lock_on = 1; 1391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1392 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1393 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1394 error = EFAULT; 1395 goto out_now; 1396 } 1397 totaddrp = (unsigned int *)optval; 1398 totaddr = *totaddrp; 1399 sa = (struct sockaddr *)(totaddrp + 1); 1400 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1401 if ((stcb != NULL) || bad_addresses) { 1402 /* Already have or am bring up an association */ 1403 SCTP_ASOC_CREATE_UNLOCK(inp); 1404 creat_lock_on = 0; 1405 if (stcb) 1406 SCTP_TCB_UNLOCK(stcb); 1407 if (bad_addresses == 0) { 1408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1409 error = EALREADY; 1410 } 1411 goto out_now; 1412 } 1413 #ifdef INET6 1414 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1415 (num_v6 > 0)) { 1416 error = EINVAL; 1417 goto out_now; 1418 } 1419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1420 (num_v4 > 0)) { 1421 struct in6pcb *inp6; 1422 1423 inp6 = (struct in6pcb *)inp; 1424 if (SCTP_IPV6_V6ONLY(inp6)) { 1425 /* 1426 * if IPV6_V6ONLY flag, ignore connections destined 1427 * to a v4 addr or v4-mapped addr 1428 */ 1429 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1430 error = EINVAL; 1431 goto out_now; 1432 } 1433 } 1434 #endif /* INET6 */ 1435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1436 SCTP_PCB_FLAGS_UNBOUND) { 1437 /* Bind a ephemeral port */ 1438 error = sctp_inpcb_bind(so, NULL, NULL, p); 1439 if (error) { 1440 goto out_now; 1441 } 1442 } 1443 1444 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1445 vrf_id = inp->def_vrf_id; 1446 1447 1448 /* We are GOOD to go */ 1449 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1450 inp->sctp_ep.pre_open_stream_count, 1451 inp->sctp_ep.port, 1452 (struct thread *)p 1453 ); 1454 if (stcb == NULL) { 1455 /* Gak! no memory */ 1456 goto out_now; 1457 } 1458 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1459 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1460 /* Set the connected flag so we can queue data */ 1461 soisconnecting(so); 1462 } 1463 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1464 /* move to second address */ 1465 switch (sa->sa_family) { 1466 #ifdef INET 1467 case AF_INET: 1468 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1469 break; 1470 #endif 1471 #ifdef INET6 1472 case AF_INET6: 1473 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1474 break; 1475 #endif 1476 default: 1477 break; 1478 } 1479 1480 error = 0; 1481 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1482 /* Fill in the return id */ 1483 if (error) { 1484 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1486 goto out_now; 1487 } 1488 a_id = (sctp_assoc_t *)optval; 1489 *a_id = sctp_get_associd(stcb); 1490 1491 /* initialize authentication parameters for the assoc */ 1492 sctp_initialize_auth_params(inp, stcb); 1493 1494 if (delay) { 1495 /* doing delayed connection */ 1496 stcb->asoc.delayed_connection = 1; 1497 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1498 } else { 1499 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1500 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1501 } 1502 SCTP_TCB_UNLOCK(stcb); 1503 out_now: 1504 if (creat_lock_on) { 1505 SCTP_ASOC_CREATE_UNLOCK(inp); 1506 } 1507 SCTP_INP_DECR_REF(inp); 1508 return (error); 1509 } 1510 1511 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1513 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1514 SCTP_INP_RLOCK(inp); \ 1515 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1516 if (stcb) { \ 1517 SCTP_TCB_LOCK(stcb); \ 1518 } \ 1519 SCTP_INP_RUNLOCK(inp); \ 1520 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1521 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1522 if (stcb == NULL) { \ 1523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1524 error = ENOENT; \ 1525 break; \ 1526 } \ 1527 } else { \ 1528 stcb = NULL; \ 1529 } \ 1530 } 1531 1532 1533 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1534 if (size < sizeof(type)) { \ 1535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1536 error = EINVAL; \ 1537 break; \ 1538 } else { \ 1539 destp = (type *)srcp; \ 1540 } \ 1541 } 1542 1543 static int 1544 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1545 void *p) 1546 { 1547 struct sctp_inpcb *inp = NULL; 1548 int error, val = 0; 1549 struct sctp_tcb *stcb = NULL; 1550 1551 if (optval == NULL) { 1552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1553 return (EINVAL); 1554 } 1555 1556 inp = (struct sctp_inpcb *)so->so_pcb; 1557 if (inp == NULL) { 1558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1559 return EINVAL; 1560 } 1561 error = 0; 1562 1563 switch (optname) { 1564 case SCTP_NODELAY: 1565 case SCTP_AUTOCLOSE: 1566 case SCTP_EXPLICIT_EOR: 1567 case SCTP_AUTO_ASCONF: 1568 case SCTP_DISABLE_FRAGMENTS: 1569 case SCTP_I_WANT_MAPPED_V4_ADDR: 1570 case SCTP_USE_EXT_RCVINFO: 1571 SCTP_INP_RLOCK(inp); 1572 switch (optname) { 1573 case SCTP_DISABLE_FRAGMENTS: 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1575 break; 1576 case SCTP_I_WANT_MAPPED_V4_ADDR: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1578 break; 1579 case SCTP_AUTO_ASCONF: 1580 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1581 /* only valid for bound all sockets */ 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1583 } else { 1584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1585 error = EINVAL; 1586 goto flags_out; 1587 } 1588 break; 1589 case SCTP_EXPLICIT_EOR: 1590 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1591 break; 1592 case SCTP_NODELAY: 1593 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1594 break; 1595 case SCTP_USE_EXT_RCVINFO: 1596 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1597 break; 1598 case SCTP_AUTOCLOSE: 1599 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1600 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1601 else 1602 val = 0; 1603 break; 1604 1605 default: 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1607 error = ENOPROTOOPT; 1608 } /* end switch (sopt->sopt_name) */ 1609 if (*optsize < sizeof(val)) { 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1611 error = EINVAL; 1612 } 1613 flags_out: 1614 SCTP_INP_RUNLOCK(inp); 1615 if (error == 0) { 1616 /* return the option value */ 1617 *(int *)optval = val; 1618 *optsize = sizeof(val); 1619 } 1620 break; 1621 case SCTP_GET_PACKET_LOG: 1622 { 1623 #ifdef SCTP_PACKET_LOGGING 1624 uint8_t *target; 1625 int ret; 1626 1627 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1628 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1629 *optsize = ret; 1630 #else 1631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1632 error = EOPNOTSUPP; 1633 #endif 1634 break; 1635 } 1636 case SCTP_REUSE_PORT: 1637 { 1638 uint32_t *value; 1639 1640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1641 /* Can't do this for a 1-m socket */ 1642 error = EINVAL; 1643 break; 1644 } 1645 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1646 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1647 *optsize = sizeof(uint32_t); 1648 break; 1649 } 1650 case SCTP_PARTIAL_DELIVERY_POINT: 1651 { 1652 uint32_t *value; 1653 1654 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1655 *value = inp->partial_delivery_point; 1656 *optsize = sizeof(uint32_t); 1657 break; 1658 } 1659 case SCTP_FRAGMENT_INTERLEAVE: 1660 { 1661 uint32_t *value; 1662 1663 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1664 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1665 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1666 *value = SCTP_FRAG_LEVEL_2; 1667 } else { 1668 *value = SCTP_FRAG_LEVEL_1; 1669 } 1670 } else { 1671 *value = SCTP_FRAG_LEVEL_0; 1672 } 1673 *optsize = sizeof(uint32_t); 1674 break; 1675 } 1676 case SCTP_INTERLEAVING_SUPPORTED: 1677 { 1678 struct sctp_assoc_value *av; 1679 1680 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1681 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1682 1683 if (stcb) { 1684 av->assoc_value = stcb->asoc.idata_supported; 1685 SCTP_TCB_UNLOCK(stcb); 1686 } else { 1687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1689 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1690 SCTP_INP_RLOCK(inp); 1691 if (inp->idata_supported) { 1692 av->assoc_value = 1; 1693 } else { 1694 av->assoc_value = 0; 1695 } 1696 SCTP_INP_RUNLOCK(inp); 1697 } else { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701 } 1702 if (error == 0) { 1703 *optsize = sizeof(struct sctp_assoc_value); 1704 } 1705 break; 1706 } 1707 case SCTP_CMT_ON_OFF: 1708 { 1709 struct sctp_assoc_value *av; 1710 1711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1720 SCTP_INP_RLOCK(inp); 1721 av->assoc_value = inp->sctp_cmt_on_off; 1722 SCTP_INP_RUNLOCK(inp); 1723 } else { 1724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1725 error = EINVAL; 1726 } 1727 } 1728 if (error == 0) { 1729 *optsize = sizeof(struct sctp_assoc_value); 1730 } 1731 break; 1732 } 1733 case SCTP_PLUGGABLE_CC: 1734 { 1735 struct sctp_assoc_value *av; 1736 1737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1739 if (stcb) { 1740 av->assoc_value = stcb->asoc.congestion_control_module; 1741 SCTP_TCB_UNLOCK(stcb); 1742 } else { 1743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1745 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1746 SCTP_INP_RLOCK(inp); 1747 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1748 SCTP_INP_RUNLOCK(inp); 1749 } else { 1750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1751 error = EINVAL; 1752 } 1753 } 1754 if (error == 0) { 1755 *optsize = sizeof(struct sctp_assoc_value); 1756 } 1757 break; 1758 } 1759 case SCTP_CC_OPTION: 1760 { 1761 struct sctp_cc_option *cc_opt; 1762 1763 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1764 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1765 if (stcb == NULL) { 1766 error = EINVAL; 1767 } else { 1768 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1769 error = ENOTSUP; 1770 } else { 1771 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1772 *optsize = sizeof(struct sctp_cc_option); 1773 } 1774 SCTP_TCB_UNLOCK(stcb); 1775 } 1776 break; 1777 } 1778 case SCTP_PLUGGABLE_SS: 1779 { 1780 struct sctp_assoc_value *av; 1781 1782 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1783 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1784 if (stcb) { 1785 av->assoc_value = stcb->asoc.stream_scheduling_module; 1786 SCTP_TCB_UNLOCK(stcb); 1787 } else { 1788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1790 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1791 SCTP_INP_RLOCK(inp); 1792 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1793 SCTP_INP_RUNLOCK(inp); 1794 } else { 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1796 error = EINVAL; 1797 } 1798 } 1799 if (error == 0) { 1800 *optsize = sizeof(struct sctp_assoc_value); 1801 } 1802 break; 1803 } 1804 case SCTP_SS_VALUE: 1805 { 1806 struct sctp_stream_value *av; 1807 1808 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1809 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1810 if (stcb) { 1811 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1812 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1813 &av->stream_value) < 0)) { 1814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1815 error = EINVAL; 1816 } else { 1817 *optsize = sizeof(struct sctp_stream_value); 1818 } 1819 SCTP_TCB_UNLOCK(stcb); 1820 } else { 1821 /* 1822 * Can't get stream value without 1823 * association 1824 */ 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1826 error = EINVAL; 1827 } 1828 break; 1829 } 1830 case SCTP_GET_ADDR_LEN: 1831 { 1832 struct sctp_assoc_value *av; 1833 1834 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1835 error = EINVAL; 1836 #ifdef INET 1837 if (av->assoc_value == AF_INET) { 1838 av->assoc_value = sizeof(struct sockaddr_in); 1839 error = 0; 1840 } 1841 #endif 1842 #ifdef INET6 1843 if (av->assoc_value == AF_INET6) { 1844 av->assoc_value = sizeof(struct sockaddr_in6); 1845 error = 0; 1846 } 1847 #endif 1848 if (error) { 1849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1850 } else { 1851 *optsize = sizeof(struct sctp_assoc_value); 1852 } 1853 break; 1854 } 1855 case SCTP_GET_ASSOC_NUMBER: 1856 { 1857 uint32_t *value, cnt; 1858 1859 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1860 SCTP_INP_RLOCK(inp); 1861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1863 /* Can't do this for a 1-1 socket */ 1864 error = EINVAL; 1865 SCTP_INP_RUNLOCK(inp); 1866 break; 1867 } 1868 cnt = 0; 1869 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1870 cnt++; 1871 } 1872 SCTP_INP_RUNLOCK(inp); 1873 *value = cnt; 1874 *optsize = sizeof(uint32_t); 1875 break; 1876 } 1877 case SCTP_GET_ASSOC_ID_LIST: 1878 { 1879 struct sctp_assoc_ids *ids; 1880 uint32_t at; 1881 size_t limit; 1882 1883 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1884 SCTP_INP_RLOCK(inp); 1885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1886 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1887 /* Can't do this for a 1-1 socket */ 1888 error = EINVAL; 1889 SCTP_INP_RUNLOCK(inp); 1890 break; 1891 } 1892 at = 0; 1893 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1894 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1895 if (at < limit) { 1896 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1897 if (at == 0) { 1898 error = EINVAL; 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1900 break; 1901 } 1902 } else { 1903 error = EINVAL; 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1905 break; 1906 } 1907 } 1908 SCTP_INP_RUNLOCK(inp); 1909 if (error == 0) { 1910 ids->gaids_number_of_ids = at; 1911 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1912 } 1913 break; 1914 } 1915 case SCTP_CONTEXT: 1916 { 1917 struct sctp_assoc_value *av; 1918 1919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1921 1922 if (stcb) { 1923 av->assoc_value = stcb->asoc.context; 1924 SCTP_TCB_UNLOCK(stcb); 1925 } else { 1926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1928 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1929 SCTP_INP_RLOCK(inp); 1930 av->assoc_value = inp->sctp_context; 1931 SCTP_INP_RUNLOCK(inp); 1932 } else { 1933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1934 error = EINVAL; 1935 } 1936 } 1937 if (error == 0) { 1938 *optsize = sizeof(struct sctp_assoc_value); 1939 } 1940 break; 1941 } 1942 case SCTP_VRF_ID: 1943 { 1944 uint32_t *default_vrfid; 1945 1946 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1947 *default_vrfid = inp->def_vrf_id; 1948 *optsize = sizeof(uint32_t); 1949 break; 1950 } 1951 case SCTP_GET_ASOC_VRF: 1952 { 1953 struct sctp_assoc_value *id; 1954 1955 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1956 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1957 if (stcb == NULL) { 1958 error = EINVAL; 1959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1960 } else { 1961 id->assoc_value = stcb->asoc.vrf_id; 1962 SCTP_TCB_UNLOCK(stcb); 1963 *optsize = sizeof(struct sctp_assoc_value); 1964 } 1965 break; 1966 } 1967 case SCTP_GET_VRF_IDS: 1968 { 1969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1970 error = EOPNOTSUPP; 1971 break; 1972 } 1973 case SCTP_GET_NONCE_VALUES: 1974 { 1975 struct sctp_get_nonce_values *gnv; 1976 1977 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1978 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1979 1980 if (stcb) { 1981 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1982 gnv->gn_local_tag = stcb->asoc.my_vtag; 1983 SCTP_TCB_UNLOCK(stcb); 1984 *optsize = sizeof(struct sctp_get_nonce_values); 1985 } else { 1986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1987 error = ENOTCONN; 1988 } 1989 break; 1990 } 1991 case SCTP_DELAYED_SACK: 1992 { 1993 struct sctp_sack_info *sack; 1994 1995 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1996 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1997 if (stcb) { 1998 sack->sack_delay = stcb->asoc.delayed_ack; 1999 sack->sack_freq = stcb->asoc.sack_freq; 2000 SCTP_TCB_UNLOCK(stcb); 2001 } else { 2002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2003 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2004 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2005 SCTP_INP_RLOCK(inp); 2006 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2007 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2008 SCTP_INP_RUNLOCK(inp); 2009 } else { 2010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2011 error = EINVAL; 2012 } 2013 } 2014 if (error == 0) { 2015 *optsize = sizeof(struct sctp_sack_info); 2016 } 2017 break; 2018 } 2019 case SCTP_GET_SNDBUF_USE: 2020 { 2021 struct sctp_sockstat *ss; 2022 2023 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2024 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2025 2026 if (stcb) { 2027 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2028 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2029 stcb->asoc.size_on_all_streams); 2030 SCTP_TCB_UNLOCK(stcb); 2031 *optsize = sizeof(struct sctp_sockstat); 2032 } else { 2033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2034 error = ENOTCONN; 2035 } 2036 break; 2037 } 2038 case SCTP_MAX_BURST: 2039 { 2040 struct sctp_assoc_value *av; 2041 2042 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2043 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2044 2045 if (stcb) { 2046 av->assoc_value = stcb->asoc.max_burst; 2047 SCTP_TCB_UNLOCK(stcb); 2048 } else { 2049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2051 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2052 SCTP_INP_RLOCK(inp); 2053 av->assoc_value = inp->sctp_ep.max_burst; 2054 SCTP_INP_RUNLOCK(inp); 2055 } else { 2056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2057 error = EINVAL; 2058 } 2059 } 2060 if (error == 0) { 2061 *optsize = sizeof(struct sctp_assoc_value); 2062 } 2063 break; 2064 } 2065 case SCTP_MAXSEG: 2066 { 2067 struct sctp_assoc_value *av; 2068 int ovh; 2069 2070 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2071 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2072 2073 if (stcb) { 2074 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2075 SCTP_TCB_UNLOCK(stcb); 2076 } else { 2077 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2078 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2079 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2080 SCTP_INP_RLOCK(inp); 2081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2082 ovh = SCTP_MED_OVERHEAD; 2083 } else { 2084 ovh = SCTP_MED_V4_OVERHEAD; 2085 } 2086 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2087 av->assoc_value = 0; 2088 else 2089 av->assoc_value = inp->sctp_frag_point - ovh; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_GET_STAT_LOG: 2102 error = sctp_fill_stat_log(optval, optsize); 2103 break; 2104 case SCTP_EVENTS: 2105 { 2106 struct sctp_event_subscribe *events; 2107 2108 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2109 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2110 SCTP_INP_RLOCK(inp); 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2112 events->sctp_data_io_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2115 events->sctp_association_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2118 events->sctp_address_event = 1; 2119 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2121 events->sctp_send_failure_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2124 events->sctp_peer_error_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2127 events->sctp_shutdown_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2130 events->sctp_partial_delivery_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2133 events->sctp_adaptation_layer_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2136 events->sctp_authentication_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2139 events->sctp_sender_dry_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2142 events->sctp_stream_reset_event = 1; 2143 SCTP_INP_RUNLOCK(inp); 2144 *optsize = sizeof(struct sctp_event_subscribe); 2145 break; 2146 } 2147 case SCTP_ADAPTATION_LAYER: 2148 { 2149 uint32_t *value; 2150 2151 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2152 2153 SCTP_INP_RLOCK(inp); 2154 *value = inp->sctp_ep.adaptation_layer_indicator; 2155 SCTP_INP_RUNLOCK(inp); 2156 *optsize = sizeof(uint32_t); 2157 break; 2158 } 2159 case SCTP_SET_INITIAL_DBG_SEQ: 2160 { 2161 uint32_t *value; 2162 2163 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2164 SCTP_INP_RLOCK(inp); 2165 *value = inp->sctp_ep.initial_sequence_debug; 2166 SCTP_INP_RUNLOCK(inp); 2167 *optsize = sizeof(uint32_t); 2168 break; 2169 } 2170 case SCTP_GET_LOCAL_ADDR_SIZE: 2171 { 2172 uint32_t *value; 2173 2174 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2175 SCTP_INP_RLOCK(inp); 2176 *value = sctp_count_max_addresses(inp); 2177 SCTP_INP_RUNLOCK(inp); 2178 *optsize = sizeof(uint32_t); 2179 break; 2180 } 2181 case SCTP_GET_REMOTE_ADDR_SIZE: 2182 { 2183 uint32_t *value; 2184 size_t size; 2185 struct sctp_nets *net; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 /* FIXME MT: change to sctp_assoc_value? */ 2189 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2190 2191 if (stcb) { 2192 size = 0; 2193 /* Count the sizes */ 2194 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2195 switch (net->ro._l_addr.sa.sa_family) { 2196 #ifdef INET 2197 case AF_INET: 2198 #ifdef INET6 2199 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2200 size += sizeof(struct sockaddr_in6); 2201 } else { 2202 size += sizeof(struct sockaddr_in); 2203 } 2204 #else 2205 size += sizeof(struct sockaddr_in); 2206 #endif 2207 break; 2208 #endif 2209 #ifdef INET6 2210 case AF_INET6: 2211 size += sizeof(struct sockaddr_in6); 2212 break; 2213 #endif 2214 default: 2215 break; 2216 } 2217 } 2218 SCTP_TCB_UNLOCK(stcb); 2219 *value = (uint32_t)size; 2220 *optsize = sizeof(uint32_t); 2221 } else { 2222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2223 error = ENOTCONN; 2224 } 2225 break; 2226 } 2227 case SCTP_GET_PEER_ADDRESSES: 2228 /* 2229 * Get the address information, an array is passed in to 2230 * fill up we pack it. 2231 */ 2232 { 2233 size_t cpsz, left; 2234 struct sockaddr_storage *sas; 2235 struct sctp_nets *net; 2236 struct sctp_getaddresses *saddr; 2237 2238 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2239 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2240 2241 if (stcb) { 2242 left = (*optsize) - sizeof(sctp_assoc_t); 2243 *optsize = sizeof(sctp_assoc_t); 2244 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2245 2246 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2247 switch (net->ro._l_addr.sa.sa_family) { 2248 #ifdef INET 2249 case AF_INET: 2250 #ifdef INET6 2251 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2252 cpsz = sizeof(struct sockaddr_in6); 2253 } else { 2254 cpsz = sizeof(struct sockaddr_in); 2255 } 2256 #else 2257 cpsz = sizeof(struct sockaddr_in); 2258 #endif 2259 break; 2260 #endif 2261 #ifdef INET6 2262 case AF_INET6: 2263 cpsz = sizeof(struct sockaddr_in6); 2264 break; 2265 #endif 2266 default: 2267 cpsz = 0; 2268 break; 2269 } 2270 if (cpsz == 0) { 2271 break; 2272 } 2273 if (left < cpsz) { 2274 /* not enough room. */ 2275 break; 2276 } 2277 #if defined(INET) && defined(INET6) 2278 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2279 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2280 /* Must map the address */ 2281 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2282 (struct sockaddr_in6 *)sas); 2283 } else { 2284 memcpy(sas, &net->ro._l_addr, cpsz); 2285 } 2286 #else 2287 memcpy(sas, &net->ro._l_addr, cpsz); 2288 #endif 2289 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2290 2291 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2292 left -= cpsz; 2293 *optsize += cpsz; 2294 } 2295 SCTP_TCB_UNLOCK(stcb); 2296 } else { 2297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2298 error = ENOENT; 2299 } 2300 break; 2301 } 2302 case SCTP_GET_LOCAL_ADDRESSES: 2303 { 2304 size_t limit, actual; 2305 struct sockaddr_storage *sas; 2306 struct sctp_getaddresses *saddr; 2307 2308 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2309 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2310 2311 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2312 limit = *optsize - sizeof(sctp_assoc_t); 2313 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2314 if (stcb) { 2315 SCTP_TCB_UNLOCK(stcb); 2316 } 2317 *optsize = sizeof(sctp_assoc_t) + actual; 2318 break; 2319 } 2320 case SCTP_PEER_ADDR_PARAMS: 2321 { 2322 struct sctp_paddrparams *paddrp; 2323 struct sctp_nets *net; 2324 struct sockaddr *addr; 2325 #if defined(INET) && defined(INET6) 2326 struct sockaddr_in sin_store; 2327 #endif 2328 2329 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2330 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2331 2332 #if defined(INET) && defined(INET6) 2333 if (paddrp->spp_address.ss_family == AF_INET6) { 2334 struct sockaddr_in6 *sin6; 2335 2336 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2337 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2338 in6_sin6_2_sin(&sin_store, sin6); 2339 addr = (struct sockaddr *)&sin_store; 2340 } else { 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 } 2343 } else { 2344 addr = (struct sockaddr *)&paddrp->spp_address; 2345 } 2346 #else 2347 addr = (struct sockaddr *)&paddrp->spp_address; 2348 #endif 2349 if (stcb != NULL) { 2350 net = sctp_findnet(stcb, addr); 2351 } else { 2352 /* 2353 * We increment here since 2354 * sctp_findassociation_ep_addr() wil do a 2355 * decrement if it finds the stcb as long as 2356 * the locked tcb (last argument) is NOT a 2357 * TCB.. aka NULL. 2358 */ 2359 net = NULL; 2360 SCTP_INP_INCR_REF(inp); 2361 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2362 if (stcb == NULL) { 2363 SCTP_INP_DECR_REF(inp); 2364 } 2365 } 2366 if ((stcb != NULL) && (net == NULL)) { 2367 #ifdef INET 2368 if (addr->sa_family == AF_INET) { 2369 struct sockaddr_in *sin; 2370 2371 sin = (struct sockaddr_in *)addr; 2372 if (sin->sin_addr.s_addr != INADDR_ANY) { 2373 error = EINVAL; 2374 SCTP_TCB_UNLOCK(stcb); 2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2376 break; 2377 } 2378 } else 2379 #endif 2380 #ifdef INET6 2381 if (addr->sa_family == AF_INET6) { 2382 struct sockaddr_in6 *sin6; 2383 2384 sin6 = (struct sockaddr_in6 *)addr; 2385 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2386 error = EINVAL; 2387 SCTP_TCB_UNLOCK(stcb); 2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2389 break; 2390 } 2391 } else 2392 #endif 2393 { 2394 error = EAFNOSUPPORT; 2395 SCTP_TCB_UNLOCK(stcb); 2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2397 break; 2398 } 2399 } 2400 2401 if (stcb != NULL) { 2402 /* Applies to the specific association */ 2403 paddrp->spp_flags = 0; 2404 if (net != NULL) { 2405 paddrp->spp_hbinterval = net->heart_beat_delay; 2406 paddrp->spp_pathmaxrxt = net->failure_threshold; 2407 paddrp->spp_pathmtu = net->mtu; 2408 switch (net->ro._l_addr.sa.sa_family) { 2409 #ifdef INET 2410 case AF_INET: 2411 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2412 break; 2413 #endif 2414 #ifdef INET6 2415 case AF_INET6: 2416 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2417 break; 2418 #endif 2419 default: 2420 break; 2421 } 2422 /* get flags for HB */ 2423 if (net->dest_state & SCTP_ADDR_NOHB) { 2424 paddrp->spp_flags |= SPP_HB_DISABLE; 2425 } else { 2426 paddrp->spp_flags |= SPP_HB_ENABLE; 2427 } 2428 /* get flags for PMTU */ 2429 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2430 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2431 } else { 2432 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2433 } 2434 if (net->dscp & 0x01) { 2435 paddrp->spp_dscp = net->dscp & 0xfc; 2436 paddrp->spp_flags |= SPP_DSCP; 2437 } 2438 #ifdef INET6 2439 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2440 (net->flowlabel & 0x80000000)) { 2441 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2442 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2443 } 2444 #endif 2445 } else { 2446 /* 2447 * No destination so return default 2448 * value 2449 */ 2450 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2451 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2452 if (stcb->asoc.default_dscp & 0x01) { 2453 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2454 paddrp->spp_flags |= SPP_DSCP; 2455 } 2456 #ifdef INET6 2457 if (stcb->asoc.default_flowlabel & 0x80000000) { 2458 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2459 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2460 } 2461 #endif 2462 /* default settings should be these */ 2463 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2464 paddrp->spp_flags |= SPP_HB_DISABLE; 2465 } else { 2466 paddrp->spp_flags |= SPP_HB_ENABLE; 2467 } 2468 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2469 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2470 } else { 2471 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2472 } 2473 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2474 } 2475 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2476 SCTP_TCB_UNLOCK(stcb); 2477 } else { 2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2480 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2481 /* Use endpoint defaults */ 2482 SCTP_INP_RLOCK(inp); 2483 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2484 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2485 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2486 /* get inp's default */ 2487 if (inp->sctp_ep.default_dscp & 0x01) { 2488 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2489 paddrp->spp_flags |= SPP_DSCP; 2490 } 2491 #ifdef INET6 2492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2493 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2494 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2495 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2496 } 2497 #endif 2498 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2499 2500 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2501 paddrp->spp_flags |= SPP_HB_ENABLE; 2502 } else { 2503 paddrp->spp_flags |= SPP_HB_DISABLE; 2504 } 2505 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2506 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2507 } else { 2508 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2509 } 2510 SCTP_INP_RUNLOCK(inp); 2511 } else { 2512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2513 error = EINVAL; 2514 } 2515 } 2516 if (error == 0) { 2517 *optsize = sizeof(struct sctp_paddrparams); 2518 } 2519 break; 2520 } 2521 case SCTP_GET_PEER_ADDR_INFO: 2522 { 2523 struct sctp_paddrinfo *paddri; 2524 struct sctp_nets *net; 2525 struct sockaddr *addr; 2526 #if defined(INET) && defined(INET6) 2527 struct sockaddr_in sin_store; 2528 #endif 2529 2530 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2531 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2532 2533 #if defined(INET) && defined(INET6) 2534 if (paddri->spinfo_address.ss_family == AF_INET6) { 2535 struct sockaddr_in6 *sin6; 2536 2537 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2538 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2539 in6_sin6_2_sin(&sin_store, sin6); 2540 addr = (struct sockaddr *)&sin_store; 2541 } else { 2542 addr = (struct sockaddr *)&paddri->spinfo_address; 2543 } 2544 } else { 2545 addr = (struct sockaddr *)&paddri->spinfo_address; 2546 } 2547 #else 2548 addr = (struct sockaddr *)&paddri->spinfo_address; 2549 #endif 2550 if (stcb != NULL) { 2551 net = sctp_findnet(stcb, addr); 2552 } else { 2553 /* 2554 * We increment here since 2555 * sctp_findassociation_ep_addr() wil do a 2556 * decrement if it finds the stcb as long as 2557 * the locked tcb (last argument) is NOT a 2558 * TCB.. aka NULL. 2559 */ 2560 net = NULL; 2561 SCTP_INP_INCR_REF(inp); 2562 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2563 if (stcb == NULL) { 2564 SCTP_INP_DECR_REF(inp); 2565 } 2566 } 2567 2568 if ((stcb != NULL) && (net != NULL)) { 2569 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2570 /* It's unconfirmed */ 2571 paddri->spinfo_state = SCTP_UNCONFIRMED; 2572 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2573 /* It's active */ 2574 paddri->spinfo_state = SCTP_ACTIVE; 2575 } else { 2576 /* It's inactive */ 2577 paddri->spinfo_state = SCTP_INACTIVE; 2578 } 2579 paddri->spinfo_cwnd = net->cwnd; 2580 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2581 paddri->spinfo_rto = net->RTO; 2582 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2583 paddri->spinfo_mtu = net->mtu; 2584 switch (addr->sa_family) { 2585 #if defined(INET) 2586 case AF_INET: 2587 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2588 break; 2589 #endif 2590 #if defined(INET6) 2591 case AF_INET6: 2592 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2593 break; 2594 #endif 2595 default: 2596 break; 2597 } 2598 SCTP_TCB_UNLOCK(stcb); 2599 *optsize = sizeof(struct sctp_paddrinfo); 2600 } else { 2601 if (stcb != NULL) { 2602 SCTP_TCB_UNLOCK(stcb); 2603 } 2604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2605 error = ENOENT; 2606 } 2607 break; 2608 } 2609 case SCTP_PCB_STATUS: 2610 { 2611 struct sctp_pcbinfo *spcb; 2612 2613 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2614 sctp_fill_pcbinfo(spcb); 2615 *optsize = sizeof(struct sctp_pcbinfo); 2616 break; 2617 } 2618 case SCTP_STATUS: 2619 { 2620 struct sctp_nets *net; 2621 struct sctp_status *sstat; 2622 2623 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2624 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2625 2626 if (stcb == NULL) { 2627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2628 error = EINVAL; 2629 break; 2630 } 2631 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2632 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2633 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2634 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2635 /* 2636 * We can't include chunks that have been passed to 2637 * the socket layer. Only things in queue. 2638 */ 2639 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2640 stcb->asoc.cnt_on_all_streams); 2641 2642 2643 sstat->sstat_instrms = stcb->asoc.streamincnt; 2644 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2645 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2646 net = stcb->asoc.primary_destination; 2647 if (net != NULL) { 2648 memcpy(&sstat->sstat_primary.spinfo_address, 2649 &stcb->asoc.primary_destination->ro._l_addr, 2650 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2651 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2652 /* 2653 * Again the user can get info from 2654 * sctp_constants.h for what the state of 2655 * the network is. 2656 */ 2657 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2658 /* It's unconfirmed */ 2659 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2660 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2661 /* It's active */ 2662 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2663 } else { 2664 /* It's inactive */ 2665 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2666 } 2667 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2668 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2669 sstat->sstat_primary.spinfo_rto = net->RTO; 2670 sstat->sstat_primary.spinfo_mtu = net->mtu; 2671 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2672 #if defined(INET) 2673 case AF_INET: 2674 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2675 break; 2676 #endif 2677 #if defined(INET6) 2678 case AF_INET6: 2679 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2680 break; 2681 #endif 2682 default: 2683 break; 2684 } 2685 } else { 2686 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2687 } 2688 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2689 SCTP_TCB_UNLOCK(stcb); 2690 *optsize = sizeof(struct sctp_status); 2691 break; 2692 } 2693 case SCTP_RTOINFO: 2694 { 2695 struct sctp_rtoinfo *srto; 2696 2697 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2698 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2699 2700 if (stcb) { 2701 srto->srto_initial = stcb->asoc.initial_rto; 2702 srto->srto_max = stcb->asoc.maxrto; 2703 srto->srto_min = stcb->asoc.minrto; 2704 SCTP_TCB_UNLOCK(stcb); 2705 } else { 2706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2708 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2709 SCTP_INP_RLOCK(inp); 2710 srto->srto_initial = inp->sctp_ep.initial_rto; 2711 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2712 srto->srto_min = inp->sctp_ep.sctp_minrto; 2713 SCTP_INP_RUNLOCK(inp); 2714 } else { 2715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2716 error = EINVAL; 2717 } 2718 } 2719 if (error == 0) { 2720 *optsize = sizeof(struct sctp_rtoinfo); 2721 } 2722 break; 2723 } 2724 case SCTP_TIMEOUTS: 2725 { 2726 struct sctp_timeouts *stimo; 2727 2728 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2729 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2730 2731 if (stcb) { 2732 stimo->stimo_init = stcb->asoc.timoinit; 2733 stimo->stimo_data = stcb->asoc.timodata; 2734 stimo->stimo_sack = stcb->asoc.timosack; 2735 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2736 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2737 stimo->stimo_cookie = stcb->asoc.timocookie; 2738 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2739 SCTP_TCB_UNLOCK(stcb); 2740 *optsize = sizeof(struct sctp_timeouts); 2741 } else { 2742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2743 error = EINVAL; 2744 } 2745 break; 2746 } 2747 case SCTP_ASSOCINFO: 2748 { 2749 struct sctp_assocparams *sasoc; 2750 2751 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2752 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2753 2754 if (stcb) { 2755 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2756 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2757 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2758 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2759 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2760 SCTP_TCB_UNLOCK(stcb); 2761 } else { 2762 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2763 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2764 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2765 SCTP_INP_RLOCK(inp); 2766 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2767 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2768 sasoc->sasoc_number_peer_destinations = 0; 2769 sasoc->sasoc_peer_rwnd = 0; 2770 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2771 SCTP_INP_RUNLOCK(inp); 2772 } else { 2773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2774 error = EINVAL; 2775 } 2776 } 2777 if (error == 0) { 2778 *optsize = sizeof(struct sctp_assocparams); 2779 } 2780 break; 2781 } 2782 case SCTP_DEFAULT_SEND_PARAM: 2783 { 2784 struct sctp_sndrcvinfo *s_info; 2785 2786 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2787 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2788 2789 if (stcb) { 2790 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2791 SCTP_TCB_UNLOCK(stcb); 2792 } else { 2793 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2794 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2795 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2796 SCTP_INP_RLOCK(inp); 2797 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2798 SCTP_INP_RUNLOCK(inp); 2799 } else { 2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2801 error = EINVAL; 2802 } 2803 } 2804 if (error == 0) { 2805 *optsize = sizeof(struct sctp_sndrcvinfo); 2806 } 2807 break; 2808 } 2809 case SCTP_INITMSG: 2810 { 2811 struct sctp_initmsg *sinit; 2812 2813 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2814 SCTP_INP_RLOCK(inp); 2815 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2816 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2817 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2818 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2819 SCTP_INP_RUNLOCK(inp); 2820 *optsize = sizeof(struct sctp_initmsg); 2821 break; 2822 } 2823 case SCTP_PRIMARY_ADDR: 2824 /* we allow a "get" operation on this */ 2825 { 2826 struct sctp_setprim *ssp; 2827 2828 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2829 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2830 2831 if (stcb) { 2832 union sctp_sockstore *addr; 2833 2834 addr = &stcb->asoc.primary_destination->ro._l_addr; 2835 switch (addr->sa.sa_family) { 2836 #ifdef INET 2837 case AF_INET: 2838 #ifdef INET6 2839 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2840 in6_sin_2_v4mapsin6(&addr->sin, 2841 (struct sockaddr_in6 *)&ssp->ssp_addr); 2842 } else { 2843 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2844 } 2845 #else 2846 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2847 #endif 2848 break; 2849 #endif 2850 #ifdef INET6 2851 case AF_INET6: 2852 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2853 break; 2854 #endif 2855 default: 2856 break; 2857 } 2858 SCTP_TCB_UNLOCK(stcb); 2859 *optsize = sizeof(struct sctp_setprim); 2860 } else { 2861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2862 error = EINVAL; 2863 } 2864 break; 2865 } 2866 case SCTP_HMAC_IDENT: 2867 { 2868 struct sctp_hmacalgo *shmac; 2869 sctp_hmaclist_t *hmaclist; 2870 uint32_t size; 2871 int i; 2872 2873 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2874 2875 SCTP_INP_RLOCK(inp); 2876 hmaclist = inp->sctp_ep.local_hmacs; 2877 if (hmaclist == NULL) { 2878 /* no HMACs to return */ 2879 *optsize = sizeof(*shmac); 2880 SCTP_INP_RUNLOCK(inp); 2881 break; 2882 } 2883 /* is there room for all of the hmac ids? */ 2884 size = sizeof(*shmac) + (hmaclist->num_algo * 2885 sizeof(shmac->shmac_idents[0])); 2886 if ((size_t)(*optsize) < size) { 2887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2888 error = EINVAL; 2889 SCTP_INP_RUNLOCK(inp); 2890 break; 2891 } 2892 /* copy in the list */ 2893 shmac->shmac_number_of_idents = hmaclist->num_algo; 2894 for (i = 0; i < hmaclist->num_algo; i++) { 2895 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2896 } 2897 SCTP_INP_RUNLOCK(inp); 2898 *optsize = size; 2899 break; 2900 } 2901 case SCTP_AUTH_ACTIVE_KEY: 2902 { 2903 struct sctp_authkeyid *scact; 2904 2905 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2906 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2907 2908 if (stcb) { 2909 /* get the active key on the assoc */ 2910 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2911 SCTP_TCB_UNLOCK(stcb); 2912 } else { 2913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2915 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2916 /* get the endpoint active key */ 2917 SCTP_INP_RLOCK(inp); 2918 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2919 SCTP_INP_RUNLOCK(inp); 2920 } else { 2921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2922 error = EINVAL; 2923 } 2924 } 2925 if (error == 0) { 2926 *optsize = sizeof(struct sctp_authkeyid); 2927 } 2928 break; 2929 } 2930 case SCTP_LOCAL_AUTH_CHUNKS: 2931 { 2932 struct sctp_authchunks *sac; 2933 sctp_auth_chklist_t *chklist = NULL; 2934 size_t size = 0; 2935 2936 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2937 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2938 2939 if (stcb) { 2940 /* get off the assoc */ 2941 chklist = stcb->asoc.local_auth_chunks; 2942 /* is there enough space? */ 2943 size = sctp_auth_get_chklist_size(chklist); 2944 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2945 error = EINVAL; 2946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2947 } else { 2948 /* copy in the chunks */ 2949 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2950 sac->gauth_number_of_chunks = (uint32_t)size; 2951 *optsize = sizeof(struct sctp_authchunks) + size; 2952 } 2953 SCTP_TCB_UNLOCK(stcb); 2954 } else { 2955 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2956 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2957 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2958 /* get off the endpoint */ 2959 SCTP_INP_RLOCK(inp); 2960 chklist = inp->sctp_ep.local_auth_chunks; 2961 /* is there enough space? */ 2962 size = sctp_auth_get_chklist_size(chklist); 2963 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2964 error = EINVAL; 2965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2966 } else { 2967 /* copy in the chunks */ 2968 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2969 sac->gauth_number_of_chunks = (uint32_t)size; 2970 *optsize = sizeof(struct sctp_authchunks) + size; 2971 } 2972 SCTP_INP_RUNLOCK(inp); 2973 } else { 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2975 error = EINVAL; 2976 } 2977 } 2978 break; 2979 } 2980 case SCTP_PEER_AUTH_CHUNKS: 2981 { 2982 struct sctp_authchunks *sac; 2983 sctp_auth_chklist_t *chklist = NULL; 2984 size_t size = 0; 2985 2986 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2987 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2988 2989 if (stcb) { 2990 /* get off the assoc */ 2991 chklist = stcb->asoc.peer_auth_chunks; 2992 /* is there enough space? */ 2993 size = sctp_auth_get_chklist_size(chklist); 2994 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2995 error = EINVAL; 2996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2997 } else { 2998 /* copy in the chunks */ 2999 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3000 sac->gauth_number_of_chunks = (uint32_t)size; 3001 *optsize = sizeof(struct sctp_authchunks) + size; 3002 } 3003 SCTP_TCB_UNLOCK(stcb); 3004 } else { 3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3006 error = ENOENT; 3007 } 3008 break; 3009 } 3010 case SCTP_EVENT: 3011 { 3012 struct sctp_event *event; 3013 uint32_t event_type; 3014 3015 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3016 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3017 3018 switch (event->se_type) { 3019 case SCTP_ASSOC_CHANGE: 3020 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3021 break; 3022 case SCTP_PEER_ADDR_CHANGE: 3023 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3024 break; 3025 case SCTP_REMOTE_ERROR: 3026 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3027 break; 3028 case SCTP_SEND_FAILED: 3029 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3030 break; 3031 case SCTP_SHUTDOWN_EVENT: 3032 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3033 break; 3034 case SCTP_ADAPTATION_INDICATION: 3035 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3036 break; 3037 case SCTP_PARTIAL_DELIVERY_EVENT: 3038 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3039 break; 3040 case SCTP_AUTHENTICATION_EVENT: 3041 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3042 break; 3043 case SCTP_STREAM_RESET_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3045 break; 3046 case SCTP_SENDER_DRY_EVENT: 3047 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3048 break; 3049 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3052 error = ENOTSUP; 3053 break; 3054 case SCTP_ASSOC_RESET_EVENT: 3055 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3056 break; 3057 case SCTP_STREAM_CHANGE_EVENT: 3058 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3059 break; 3060 case SCTP_SEND_FAILED_EVENT: 3061 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3062 break; 3063 default: 3064 event_type = 0; 3065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3066 error = EINVAL; 3067 break; 3068 } 3069 if (event_type > 0) { 3070 if (stcb) { 3071 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3072 } else { 3073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3075 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3076 SCTP_INP_RLOCK(inp); 3077 event->se_on = sctp_is_feature_on(inp, event_type); 3078 SCTP_INP_RUNLOCK(inp); 3079 } else { 3080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3081 error = EINVAL; 3082 } 3083 } 3084 } 3085 if (stcb != NULL) { 3086 SCTP_TCB_UNLOCK(stcb); 3087 } 3088 if (error == 0) { 3089 *optsize = sizeof(struct sctp_event); 3090 } 3091 break; 3092 } 3093 case SCTP_RECVRCVINFO: 3094 { 3095 int onoff; 3096 3097 if (*optsize < sizeof(int)) { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } else { 3101 SCTP_INP_RLOCK(inp); 3102 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3103 SCTP_INP_RUNLOCK(inp); 3104 } 3105 if (error == 0) { 3106 /* return the option value */ 3107 *(int *)optval = onoff; 3108 *optsize = sizeof(int); 3109 } 3110 break; 3111 } 3112 case SCTP_RECVNXTINFO: 3113 { 3114 int onoff; 3115 3116 if (*optsize < sizeof(int)) { 3117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118 error = EINVAL; 3119 } else { 3120 SCTP_INP_RLOCK(inp); 3121 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3122 SCTP_INP_RUNLOCK(inp); 3123 } 3124 if (error == 0) { 3125 /* return the option value */ 3126 *(int *)optval = onoff; 3127 *optsize = sizeof(int); 3128 } 3129 break; 3130 } 3131 case SCTP_DEFAULT_SNDINFO: 3132 { 3133 struct sctp_sndinfo *info; 3134 3135 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3136 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3137 3138 if (stcb) { 3139 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3140 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3141 info->snd_flags &= 0xfff0; 3142 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3143 info->snd_context = stcb->asoc.def_send.sinfo_context; 3144 SCTP_TCB_UNLOCK(stcb); 3145 } else { 3146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3148 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3149 SCTP_INP_RLOCK(inp); 3150 info->snd_sid = inp->def_send.sinfo_stream; 3151 info->snd_flags = inp->def_send.sinfo_flags; 3152 info->snd_flags &= 0xfff0; 3153 info->snd_ppid = inp->def_send.sinfo_ppid; 3154 info->snd_context = inp->def_send.sinfo_context; 3155 SCTP_INP_RUNLOCK(inp); 3156 } else { 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3158 error = EINVAL; 3159 } 3160 } 3161 if (error == 0) { 3162 *optsize = sizeof(struct sctp_sndinfo); 3163 } 3164 break; 3165 } 3166 case SCTP_DEFAULT_PRINFO: 3167 { 3168 struct sctp_default_prinfo *info; 3169 3170 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3171 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3172 3173 if (stcb) { 3174 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3175 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3176 SCTP_TCB_UNLOCK(stcb); 3177 } else { 3178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3180 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3181 SCTP_INP_RLOCK(inp); 3182 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3183 info->pr_value = inp->def_send.sinfo_timetolive; 3184 SCTP_INP_RUNLOCK(inp); 3185 } else { 3186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3187 error = EINVAL; 3188 } 3189 } 3190 if (error == 0) { 3191 *optsize = sizeof(struct sctp_default_prinfo); 3192 } 3193 break; 3194 } 3195 case SCTP_PEER_ADDR_THLDS: 3196 { 3197 struct sctp_paddrthlds *thlds; 3198 struct sctp_nets *net; 3199 struct sockaddr *addr; 3200 #if defined(INET) && defined(INET6) 3201 struct sockaddr_in sin_store; 3202 #endif 3203 3204 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3205 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3206 3207 #if defined(INET) && defined(INET6) 3208 if (thlds->spt_address.ss_family == AF_INET6) { 3209 struct sockaddr_in6 *sin6; 3210 3211 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3212 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3213 in6_sin6_2_sin(&sin_store, sin6); 3214 addr = (struct sockaddr *)&sin_store; 3215 } else { 3216 addr = (struct sockaddr *)&thlds->spt_address; 3217 } 3218 } else { 3219 addr = (struct sockaddr *)&thlds->spt_address; 3220 } 3221 #else 3222 addr = (struct sockaddr *)&thlds->spt_address; 3223 #endif 3224 if (stcb != NULL) { 3225 net = sctp_findnet(stcb, addr); 3226 } else { 3227 /* 3228 * We increment here since 3229 * sctp_findassociation_ep_addr() wil do a 3230 * decrement if it finds the stcb as long as 3231 * the locked tcb (last argument) is NOT a 3232 * TCB.. aka NULL. 3233 */ 3234 net = NULL; 3235 SCTP_INP_INCR_REF(inp); 3236 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3237 if (stcb == NULL) { 3238 SCTP_INP_DECR_REF(inp); 3239 } 3240 } 3241 if ((stcb != NULL) && (net == NULL)) { 3242 #ifdef INET 3243 if (addr->sa_family == AF_INET) { 3244 struct sockaddr_in *sin; 3245 3246 sin = (struct sockaddr_in *)addr; 3247 if (sin->sin_addr.s_addr != INADDR_ANY) { 3248 error = EINVAL; 3249 SCTP_TCB_UNLOCK(stcb); 3250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3251 break; 3252 } 3253 } else 3254 #endif 3255 #ifdef INET6 3256 if (addr->sa_family == AF_INET6) { 3257 struct sockaddr_in6 *sin6; 3258 3259 sin6 = (struct sockaddr_in6 *)addr; 3260 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3261 error = EINVAL; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } else 3267 #endif 3268 { 3269 error = EAFNOSUPPORT; 3270 SCTP_TCB_UNLOCK(stcb); 3271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3272 break; 3273 } 3274 } 3275 3276 if (stcb != NULL) { 3277 if (net != NULL) { 3278 thlds->spt_pathmaxrxt = net->failure_threshold; 3279 thlds->spt_pathpfthld = net->pf_threshold; 3280 thlds->spt_pathcpthld = 0xffff; 3281 } else { 3282 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3283 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3284 thlds->spt_pathcpthld = 0xffff; 3285 } 3286 thlds->spt_assoc_id = sctp_get_associd(stcb); 3287 SCTP_TCB_UNLOCK(stcb); 3288 } else { 3289 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3290 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3291 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3292 /* Use endpoint defaults */ 3293 SCTP_INP_RLOCK(inp); 3294 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3295 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3296 thlds->spt_pathcpthld = 0xffff; 3297 SCTP_INP_RUNLOCK(inp); 3298 } else { 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3300 error = EINVAL; 3301 } 3302 } 3303 if (error == 0) { 3304 *optsize = sizeof(struct sctp_paddrthlds); 3305 } 3306 break; 3307 } 3308 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3309 { 3310 struct sctp_udpencaps *encaps; 3311 struct sctp_nets *net; 3312 struct sockaddr *addr; 3313 #if defined(INET) && defined(INET6) 3314 struct sockaddr_in sin_store; 3315 #endif 3316 3317 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3318 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3319 3320 #if defined(INET) && defined(INET6) 3321 if (encaps->sue_address.ss_family == AF_INET6) { 3322 struct sockaddr_in6 *sin6; 3323 3324 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3325 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3326 in6_sin6_2_sin(&sin_store, sin6); 3327 addr = (struct sockaddr *)&sin_store; 3328 } else { 3329 addr = (struct sockaddr *)&encaps->sue_address; 3330 } 3331 } else { 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333 } 3334 #else 3335 addr = (struct sockaddr *)&encaps->sue_address; 3336 #endif 3337 if (stcb) { 3338 net = sctp_findnet(stcb, addr); 3339 } else { 3340 /* 3341 * We increment here since 3342 * sctp_findassociation_ep_addr() wil do a 3343 * decrement if it finds the stcb as long as 3344 * the locked tcb (last argument) is NOT a 3345 * TCB.. aka NULL. 3346 */ 3347 net = NULL; 3348 SCTP_INP_INCR_REF(inp); 3349 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3350 if (stcb == NULL) { 3351 SCTP_INP_DECR_REF(inp); 3352 } 3353 } 3354 if ((stcb != NULL) && (net == NULL)) { 3355 #ifdef INET 3356 if (addr->sa_family == AF_INET) { 3357 struct sockaddr_in *sin; 3358 3359 sin = (struct sockaddr_in *)addr; 3360 if (sin->sin_addr.s_addr != INADDR_ANY) { 3361 error = EINVAL; 3362 SCTP_TCB_UNLOCK(stcb); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3364 break; 3365 } 3366 } else 3367 #endif 3368 #ifdef INET6 3369 if (addr->sa_family == AF_INET6) { 3370 struct sockaddr_in6 *sin6; 3371 3372 sin6 = (struct sockaddr_in6 *)addr; 3373 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3374 error = EINVAL; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } else 3380 #endif 3381 { 3382 error = EAFNOSUPPORT; 3383 SCTP_TCB_UNLOCK(stcb); 3384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3385 break; 3386 } 3387 } 3388 3389 if (stcb != NULL) { 3390 if (net) { 3391 encaps->sue_port = net->port; 3392 } else { 3393 encaps->sue_port = stcb->asoc.port; 3394 } 3395 SCTP_TCB_UNLOCK(stcb); 3396 } else { 3397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3398 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3399 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3400 SCTP_INP_RLOCK(inp); 3401 encaps->sue_port = inp->sctp_ep.port; 3402 SCTP_INP_RUNLOCK(inp); 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 error = EINVAL; 3406 } 3407 } 3408 if (error == 0) { 3409 *optsize = sizeof(struct sctp_udpencaps); 3410 } 3411 break; 3412 } 3413 case SCTP_ECN_SUPPORTED: 3414 { 3415 struct sctp_assoc_value *av; 3416 3417 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3418 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3419 3420 if (stcb) { 3421 av->assoc_value = stcb->asoc.ecn_supported; 3422 SCTP_TCB_UNLOCK(stcb); 3423 } else { 3424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3426 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3427 SCTP_INP_RLOCK(inp); 3428 av->assoc_value = inp->ecn_supported; 3429 SCTP_INP_RUNLOCK(inp); 3430 } else { 3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3432 error = EINVAL; 3433 } 3434 } 3435 if (error == 0) { 3436 *optsize = sizeof(struct sctp_assoc_value); 3437 } 3438 break; 3439 } 3440 case SCTP_PR_SUPPORTED: 3441 { 3442 struct sctp_assoc_value *av; 3443 3444 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3445 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3446 3447 if (stcb) { 3448 av->assoc_value = stcb->asoc.prsctp_supported; 3449 SCTP_TCB_UNLOCK(stcb); 3450 } else { 3451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3453 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3454 SCTP_INP_RLOCK(inp); 3455 av->assoc_value = inp->prsctp_supported; 3456 SCTP_INP_RUNLOCK(inp); 3457 } else { 3458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3459 error = EINVAL; 3460 } 3461 } 3462 if (error == 0) { 3463 *optsize = sizeof(struct sctp_assoc_value); 3464 } 3465 break; 3466 } 3467 case SCTP_AUTH_SUPPORTED: 3468 { 3469 struct sctp_assoc_value *av; 3470 3471 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3472 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3473 3474 if (stcb) { 3475 av->assoc_value = stcb->asoc.auth_supported; 3476 SCTP_TCB_UNLOCK(stcb); 3477 } else { 3478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3480 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3481 SCTP_INP_RLOCK(inp); 3482 av->assoc_value = inp->auth_supported; 3483 SCTP_INP_RUNLOCK(inp); 3484 } else { 3485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3486 error = EINVAL; 3487 } 3488 } 3489 if (error == 0) { 3490 *optsize = sizeof(struct sctp_assoc_value); 3491 } 3492 break; 3493 } 3494 case SCTP_ASCONF_SUPPORTED: 3495 { 3496 struct sctp_assoc_value *av; 3497 3498 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3499 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3500 3501 if (stcb) { 3502 av->assoc_value = stcb->asoc.asconf_supported; 3503 SCTP_TCB_UNLOCK(stcb); 3504 } else { 3505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3507 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3508 SCTP_INP_RLOCK(inp); 3509 av->assoc_value = inp->asconf_supported; 3510 SCTP_INP_RUNLOCK(inp); 3511 } else { 3512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3513 error = EINVAL; 3514 } 3515 } 3516 if (error == 0) { 3517 *optsize = sizeof(struct sctp_assoc_value); 3518 } 3519 break; 3520 } 3521 case SCTP_RECONFIG_SUPPORTED: 3522 { 3523 struct sctp_assoc_value *av; 3524 3525 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3526 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3527 3528 if (stcb) { 3529 av->assoc_value = stcb->asoc.reconfig_supported; 3530 SCTP_TCB_UNLOCK(stcb); 3531 } else { 3532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3534 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3535 SCTP_INP_RLOCK(inp); 3536 av->assoc_value = inp->reconfig_supported; 3537 SCTP_INP_RUNLOCK(inp); 3538 } else { 3539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3540 error = EINVAL; 3541 } 3542 } 3543 if (error == 0) { 3544 *optsize = sizeof(struct sctp_assoc_value); 3545 } 3546 break; 3547 } 3548 case SCTP_NRSACK_SUPPORTED: 3549 { 3550 struct sctp_assoc_value *av; 3551 3552 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3553 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3554 3555 if (stcb) { 3556 av->assoc_value = stcb->asoc.nrsack_supported; 3557 SCTP_TCB_UNLOCK(stcb); 3558 } else { 3559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3561 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3562 SCTP_INP_RLOCK(inp); 3563 av->assoc_value = inp->nrsack_supported; 3564 SCTP_INP_RUNLOCK(inp); 3565 } else { 3566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3567 error = EINVAL; 3568 } 3569 } 3570 if (error == 0) { 3571 *optsize = sizeof(struct sctp_assoc_value); 3572 } 3573 break; 3574 } 3575 case SCTP_PKTDROP_SUPPORTED: 3576 { 3577 struct sctp_assoc_value *av; 3578 3579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3581 3582 if (stcb) { 3583 av->assoc_value = stcb->asoc.pktdrop_supported; 3584 SCTP_TCB_UNLOCK(stcb); 3585 } else { 3586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3588 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3589 SCTP_INP_RLOCK(inp); 3590 av->assoc_value = inp->pktdrop_supported; 3591 SCTP_INP_RUNLOCK(inp); 3592 } else { 3593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3594 error = EINVAL; 3595 } 3596 } 3597 if (error == 0) { 3598 *optsize = sizeof(struct sctp_assoc_value); 3599 } 3600 break; 3601 } 3602 case SCTP_ENABLE_STREAM_RESET: 3603 { 3604 struct sctp_assoc_value *av; 3605 3606 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3607 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3608 3609 if (stcb) { 3610 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3611 SCTP_TCB_UNLOCK(stcb); 3612 } else { 3613 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3614 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3615 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3616 SCTP_INP_RLOCK(inp); 3617 av->assoc_value = (uint32_t)inp->local_strreset_support; 3618 SCTP_INP_RUNLOCK(inp); 3619 } else { 3620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3621 error = EINVAL; 3622 } 3623 } 3624 if (error == 0) { 3625 *optsize = sizeof(struct sctp_assoc_value); 3626 } 3627 break; 3628 } 3629 case SCTP_PR_STREAM_STATUS: 3630 { 3631 struct sctp_prstatus *sprstat; 3632 uint16_t sid; 3633 uint16_t policy; 3634 3635 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3636 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3637 3638 sid = sprstat->sprstat_sid; 3639 policy = sprstat->sprstat_policy; 3640 #if defined(SCTP_DETAILED_STR_STATS) 3641 if ((stcb != NULL) && 3642 (sid < stcb->asoc.streamoutcnt) && 3643 (policy != SCTP_PR_SCTP_NONE) && 3644 ((policy <= SCTP_PR_SCTP_MAX) || 3645 (policy == SCTP_PR_SCTP_ALL))) { 3646 if (policy == SCTP_PR_SCTP_ALL) { 3647 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3648 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3649 } else { 3650 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3651 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3652 } 3653 #else 3654 if ((stcb != NULL) && 3655 (sid < stcb->asoc.streamoutcnt) && 3656 (policy == SCTP_PR_SCTP_ALL)) { 3657 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3658 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3659 #endif 3660 } else { 3661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3662 error = EINVAL; 3663 } 3664 if (stcb != NULL) { 3665 SCTP_TCB_UNLOCK(stcb); 3666 } 3667 if (error == 0) { 3668 *optsize = sizeof(struct sctp_prstatus); 3669 } 3670 break; 3671 } 3672 case SCTP_PR_ASSOC_STATUS: 3673 { 3674 struct sctp_prstatus *sprstat; 3675 uint16_t policy; 3676 3677 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3678 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3679 3680 policy = sprstat->sprstat_policy; 3681 if ((stcb != NULL) && 3682 (policy != SCTP_PR_SCTP_NONE) && 3683 ((policy <= SCTP_PR_SCTP_MAX) || 3684 (policy == SCTP_PR_SCTP_ALL))) { 3685 if (policy == SCTP_PR_SCTP_ALL) { 3686 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3687 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3688 } else { 3689 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3690 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3691 } 3692 } else { 3693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3694 error = EINVAL; 3695 } 3696 if (stcb != NULL) { 3697 SCTP_TCB_UNLOCK(stcb); 3698 } 3699 if (error == 0) { 3700 *optsize = sizeof(struct sctp_prstatus); 3701 } 3702 break; 3703 } 3704 case SCTP_MAX_CWND: 3705 { 3706 struct sctp_assoc_value *av; 3707 3708 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3709 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3710 3711 if (stcb) { 3712 av->assoc_value = stcb->asoc.max_cwnd; 3713 SCTP_TCB_UNLOCK(stcb); 3714 } else { 3715 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3716 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3717 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3718 SCTP_INP_RLOCK(inp); 3719 av->assoc_value = inp->max_cwnd; 3720 SCTP_INP_RUNLOCK(inp); 3721 } else { 3722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3723 error = EINVAL; 3724 } 3725 } 3726 if (error == 0) { 3727 *optsize = sizeof(struct sctp_assoc_value); 3728 } 3729 break; 3730 } 3731 default: 3732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3733 error = ENOPROTOOPT; 3734 break; 3735 } /* end switch (sopt->sopt_name) */ 3736 if (error) { 3737 *optsize = 0; 3738 } 3739 return (error); 3740 } 3741 3742 static int 3743 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3744 void *p) 3745 { 3746 int error, set_opt; 3747 uint32_t *mopt; 3748 struct sctp_tcb *stcb = NULL; 3749 struct sctp_inpcb *inp = NULL; 3750 uint32_t vrf_id; 3751 3752 if (optval == NULL) { 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754 return (EINVAL); 3755 } 3756 inp = (struct sctp_inpcb *)so->so_pcb; 3757 if (inp == NULL) { 3758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3759 return (EINVAL); 3760 } 3761 vrf_id = inp->def_vrf_id; 3762 3763 error = 0; 3764 switch (optname) { 3765 case SCTP_NODELAY: 3766 case SCTP_AUTOCLOSE: 3767 case SCTP_AUTO_ASCONF: 3768 case SCTP_EXPLICIT_EOR: 3769 case SCTP_DISABLE_FRAGMENTS: 3770 case SCTP_USE_EXT_RCVINFO: 3771 case SCTP_I_WANT_MAPPED_V4_ADDR: 3772 /* copy in the option value */ 3773 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3774 set_opt = 0; 3775 if (error) 3776 break; 3777 switch (optname) { 3778 case SCTP_DISABLE_FRAGMENTS: 3779 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3780 break; 3781 case SCTP_AUTO_ASCONF: 3782 /* 3783 * NOTE: we don't really support this flag 3784 */ 3785 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3786 /* only valid for bound all sockets */ 3787 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3788 (*mopt != 0)) { 3789 /* forbidden by admin */ 3790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3791 return (EPERM); 3792 } 3793 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3794 } else { 3795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3796 return (EINVAL); 3797 } 3798 break; 3799 case SCTP_EXPLICIT_EOR: 3800 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3801 break; 3802 case SCTP_USE_EXT_RCVINFO: 3803 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3804 break; 3805 case SCTP_I_WANT_MAPPED_V4_ADDR: 3806 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3807 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3808 } else { 3809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3810 return (EINVAL); 3811 } 3812 break; 3813 case SCTP_NODELAY: 3814 set_opt = SCTP_PCB_FLAGS_NODELAY; 3815 break; 3816 case SCTP_AUTOCLOSE: 3817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3818 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3820 return (EINVAL); 3821 } 3822 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3823 /* 3824 * The value is in ticks. Note this does not effect 3825 * old associations, only new ones. 3826 */ 3827 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3828 break; 3829 } 3830 SCTP_INP_WLOCK(inp); 3831 if (*mopt != 0) { 3832 sctp_feature_on(inp, set_opt); 3833 } else { 3834 sctp_feature_off(inp, set_opt); 3835 } 3836 SCTP_INP_WUNLOCK(inp); 3837 break; 3838 case SCTP_REUSE_PORT: 3839 { 3840 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3842 /* Can't set it after we are bound */ 3843 error = EINVAL; 3844 break; 3845 } 3846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3847 /* Can't do this for a 1-m socket */ 3848 error = EINVAL; 3849 break; 3850 } 3851 if (optval) 3852 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3853 else 3854 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3855 break; 3856 } 3857 case SCTP_PARTIAL_DELIVERY_POINT: 3858 { 3859 uint32_t *value; 3860 3861 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3862 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3864 error = EINVAL; 3865 break; 3866 } 3867 inp->partial_delivery_point = *value; 3868 break; 3869 } 3870 case SCTP_FRAGMENT_INTERLEAVE: 3871 /* not yet until we re-write sctp_recvmsg() */ 3872 { 3873 uint32_t *level; 3874 3875 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3876 if (*level == SCTP_FRAG_LEVEL_2) { 3877 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 } else if (*level == SCTP_FRAG_LEVEL_1) { 3880 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3882 } else if (*level == SCTP_FRAG_LEVEL_0) { 3883 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3884 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3885 3886 } else { 3887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3888 error = EINVAL; 3889 } 3890 break; 3891 } 3892 case SCTP_INTERLEAVING_SUPPORTED: 3893 { 3894 struct sctp_assoc_value *av; 3895 3896 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3897 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3898 3899 if (stcb) { 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3901 error = EINVAL; 3902 SCTP_TCB_UNLOCK(stcb); 3903 } else { 3904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3906 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3907 SCTP_INP_WLOCK(inp); 3908 if (av->assoc_value == 0) { 3909 inp->idata_supported = 0; 3910 } else { 3911 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3912 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3913 inp->idata_supported = 1; 3914 } else { 3915 /* 3916 * Must have Frag 3917 * interleave and 3918 * stream interleave 3919 * on 3920 */ 3921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3922 error = EINVAL; 3923 } 3924 } 3925 SCTP_INP_WUNLOCK(inp); 3926 } else { 3927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3928 error = EINVAL; 3929 } 3930 } 3931 break; 3932 } 3933 case SCTP_CMT_ON_OFF: 3934 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3935 struct sctp_assoc_value *av; 3936 3937 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3938 if (av->assoc_value > SCTP_CMT_MAX) { 3939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3940 error = EINVAL; 3941 break; 3942 } 3943 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3944 if (stcb) { 3945 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3946 SCTP_TCB_UNLOCK(stcb); 3947 } else { 3948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3950 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3951 (av->assoc_id == SCTP_ALL_ASSOC)) { 3952 SCTP_INP_WLOCK(inp); 3953 inp->sctp_cmt_on_off = av->assoc_value; 3954 SCTP_INP_WUNLOCK(inp); 3955 } 3956 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3957 (av->assoc_id == SCTP_ALL_ASSOC)) { 3958 SCTP_INP_RLOCK(inp); 3959 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3960 SCTP_TCB_LOCK(stcb); 3961 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3962 SCTP_TCB_UNLOCK(stcb); 3963 } 3964 SCTP_INP_RUNLOCK(inp); 3965 } 3966 } 3967 } else { 3968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3969 error = ENOPROTOOPT; 3970 } 3971 break; 3972 case SCTP_PLUGGABLE_CC: 3973 { 3974 struct sctp_assoc_value *av; 3975 struct sctp_nets *net; 3976 3977 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3978 if ((av->assoc_value != SCTP_CC_RFC2581) && 3979 (av->assoc_value != SCTP_CC_HSTCP) && 3980 (av->assoc_value != SCTP_CC_HTCP) && 3981 (av->assoc_value != SCTP_CC_RTCC)) { 3982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3983 error = EINVAL; 3984 break; 3985 } 3986 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3987 if (stcb) { 3988 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3989 stcb->asoc.congestion_control_module = av->assoc_value; 3990 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3991 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3992 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3993 } 3994 } 3995 SCTP_TCB_UNLOCK(stcb); 3996 } else { 3997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3999 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4000 (av->assoc_id == SCTP_ALL_ASSOC)) { 4001 SCTP_INP_WLOCK(inp); 4002 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4003 SCTP_INP_WUNLOCK(inp); 4004 } 4005 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4006 (av->assoc_id == SCTP_ALL_ASSOC)) { 4007 SCTP_INP_RLOCK(inp); 4008 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4009 SCTP_TCB_LOCK(stcb); 4010 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4011 stcb->asoc.congestion_control_module = av->assoc_value; 4012 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4013 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4014 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4015 } 4016 } 4017 SCTP_TCB_UNLOCK(stcb); 4018 } 4019 SCTP_INP_RUNLOCK(inp); 4020 } 4021 } 4022 break; 4023 } 4024 case SCTP_CC_OPTION: 4025 { 4026 struct sctp_cc_option *cc_opt; 4027 4028 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4029 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4030 if (stcb == NULL) { 4031 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4032 SCTP_INP_RLOCK(inp); 4033 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4034 SCTP_TCB_LOCK(stcb); 4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4036 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4037 } 4038 SCTP_TCB_UNLOCK(stcb); 4039 } 4040 SCTP_INP_RUNLOCK(inp); 4041 } else { 4042 error = EINVAL; 4043 } 4044 } else { 4045 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4046 error = ENOTSUP; 4047 } else { 4048 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4049 cc_opt); 4050 } 4051 SCTP_TCB_UNLOCK(stcb); 4052 } 4053 break; 4054 } 4055 case SCTP_PLUGGABLE_SS: 4056 { 4057 struct sctp_assoc_value *av; 4058 4059 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4060 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4061 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4062 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4063 (av->assoc_value != SCTP_SS_PRIORITY) && 4064 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4065 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 break; 4069 } 4070 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4071 if (stcb) { 4072 SCTP_TCB_SEND_LOCK(stcb); 4073 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4074 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4075 stcb->asoc.stream_scheduling_module = av->assoc_value; 4076 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4077 SCTP_TCB_SEND_UNLOCK(stcb); 4078 SCTP_TCB_UNLOCK(stcb); 4079 } else { 4080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4082 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4083 (av->assoc_id == SCTP_ALL_ASSOC)) { 4084 SCTP_INP_WLOCK(inp); 4085 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4086 SCTP_INP_WUNLOCK(inp); 4087 } 4088 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4089 (av->assoc_id == SCTP_ALL_ASSOC)) { 4090 SCTP_INP_RLOCK(inp); 4091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4092 SCTP_TCB_LOCK(stcb); 4093 SCTP_TCB_SEND_LOCK(stcb); 4094 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4095 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4096 stcb->asoc.stream_scheduling_module = av->assoc_value; 4097 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4098 SCTP_TCB_SEND_UNLOCK(stcb); 4099 SCTP_TCB_UNLOCK(stcb); 4100 } 4101 SCTP_INP_RUNLOCK(inp); 4102 } 4103 } 4104 break; 4105 } 4106 case SCTP_SS_VALUE: 4107 { 4108 struct sctp_stream_value *av; 4109 4110 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4111 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4112 if (stcb) { 4113 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4114 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4115 av->stream_value) < 0)) { 4116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4117 error = EINVAL; 4118 } 4119 SCTP_TCB_UNLOCK(stcb); 4120 } else { 4121 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4122 SCTP_INP_RLOCK(inp); 4123 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4124 SCTP_TCB_LOCK(stcb); 4125 if (av->stream_id < stcb->asoc.streamoutcnt) { 4126 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4127 &stcb->asoc, 4128 &stcb->asoc.strmout[av->stream_id], 4129 av->stream_value); 4130 } 4131 SCTP_TCB_UNLOCK(stcb); 4132 } 4133 SCTP_INP_RUNLOCK(inp); 4134 } else { 4135 /* 4136 * Can't set stream value without 4137 * association 4138 */ 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4140 error = EINVAL; 4141 } 4142 } 4143 break; 4144 } 4145 case SCTP_CLR_STAT_LOG: 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4147 error = EOPNOTSUPP; 4148 break; 4149 case SCTP_CONTEXT: 4150 { 4151 struct sctp_assoc_value *av; 4152 4153 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4154 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4155 4156 if (stcb) { 4157 stcb->asoc.context = av->assoc_value; 4158 SCTP_TCB_UNLOCK(stcb); 4159 } else { 4160 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4161 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4162 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4163 (av->assoc_id == SCTP_ALL_ASSOC)) { 4164 SCTP_INP_WLOCK(inp); 4165 inp->sctp_context = av->assoc_value; 4166 SCTP_INP_WUNLOCK(inp); 4167 } 4168 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4169 (av->assoc_id == SCTP_ALL_ASSOC)) { 4170 SCTP_INP_RLOCK(inp); 4171 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4172 SCTP_TCB_LOCK(stcb); 4173 stcb->asoc.context = av->assoc_value; 4174 SCTP_TCB_UNLOCK(stcb); 4175 } 4176 SCTP_INP_RUNLOCK(inp); 4177 } 4178 } 4179 break; 4180 } 4181 case SCTP_VRF_ID: 4182 { 4183 uint32_t *default_vrfid; 4184 4185 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4186 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4188 error = EINVAL; 4189 break; 4190 } 4191 inp->def_vrf_id = *default_vrfid; 4192 break; 4193 } 4194 case SCTP_DEL_VRF_ID: 4195 { 4196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4197 error = EOPNOTSUPP; 4198 break; 4199 } 4200 case SCTP_ADD_VRF_ID: 4201 { 4202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4203 error = EOPNOTSUPP; 4204 break; 4205 } 4206 case SCTP_DELAYED_SACK: 4207 { 4208 struct sctp_sack_info *sack; 4209 4210 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4211 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4212 if (sack->sack_delay) { 4213 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4214 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4215 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4216 sack->sack_delay = TICKS_TO_MSEC(1); 4217 } 4218 } 4219 if (stcb) { 4220 if (sack->sack_delay) { 4221 stcb->asoc.delayed_ack = sack->sack_delay; 4222 } 4223 if (sack->sack_freq) { 4224 stcb->asoc.sack_freq = sack->sack_freq; 4225 } 4226 SCTP_TCB_UNLOCK(stcb); 4227 } else { 4228 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4229 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4230 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4231 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4232 SCTP_INP_WLOCK(inp); 4233 if (sack->sack_delay) { 4234 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4235 } 4236 if (sack->sack_freq) { 4237 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4238 } 4239 SCTP_INP_WUNLOCK(inp); 4240 } 4241 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4242 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4243 SCTP_INP_RLOCK(inp); 4244 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4245 SCTP_TCB_LOCK(stcb); 4246 if (sack->sack_delay) { 4247 stcb->asoc.delayed_ack = sack->sack_delay; 4248 } 4249 if (sack->sack_freq) { 4250 stcb->asoc.sack_freq = sack->sack_freq; 4251 } 4252 SCTP_TCB_UNLOCK(stcb); 4253 } 4254 SCTP_INP_RUNLOCK(inp); 4255 } 4256 } 4257 break; 4258 } 4259 case SCTP_AUTH_CHUNK: 4260 { 4261 struct sctp_authchunk *sauth; 4262 4263 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4264 4265 SCTP_INP_WLOCK(inp); 4266 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4268 error = EINVAL; 4269 } else { 4270 inp->auth_supported = 1; 4271 } 4272 SCTP_INP_WUNLOCK(inp); 4273 break; 4274 } 4275 case SCTP_AUTH_KEY: 4276 { 4277 struct sctp_authkey *sca; 4278 struct sctp_keyhead *shared_keys; 4279 sctp_sharedkey_t *shared_key; 4280 sctp_key_t *key = NULL; 4281 size_t size; 4282 4283 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4284 if (sca->sca_keylength == 0) { 4285 size = optsize - sizeof(struct sctp_authkey); 4286 } else { 4287 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4288 size = sca->sca_keylength; 4289 } else { 4290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4291 error = EINVAL; 4292 break; 4293 } 4294 } 4295 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4296 4297 if (stcb) { 4298 shared_keys = &stcb->asoc.shared_keys; 4299 /* clear the cached keys for this key id */ 4300 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4301 /* 4302 * create the new shared key and 4303 * insert/replace it 4304 */ 4305 if (size > 0) { 4306 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4307 if (key == NULL) { 4308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4309 error = ENOMEM; 4310 SCTP_TCB_UNLOCK(stcb); 4311 break; 4312 } 4313 } 4314 shared_key = sctp_alloc_sharedkey(); 4315 if (shared_key == NULL) { 4316 sctp_free_key(key); 4317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4318 error = ENOMEM; 4319 SCTP_TCB_UNLOCK(stcb); 4320 break; 4321 } 4322 shared_key->key = key; 4323 shared_key->keyid = sca->sca_keynumber; 4324 error = sctp_insert_sharedkey(shared_keys, shared_key); 4325 SCTP_TCB_UNLOCK(stcb); 4326 } else { 4327 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4328 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4329 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4330 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4331 SCTP_INP_WLOCK(inp); 4332 shared_keys = &inp->sctp_ep.shared_keys; 4333 /* 4334 * clear the cached keys on all 4335 * assocs for this key id 4336 */ 4337 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4338 /* 4339 * create the new shared key and 4340 * insert/replace it 4341 */ 4342 if (size > 0) { 4343 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4344 if (key == NULL) { 4345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4346 error = ENOMEM; 4347 SCTP_INP_WUNLOCK(inp); 4348 break; 4349 } 4350 } 4351 shared_key = sctp_alloc_sharedkey(); 4352 if (shared_key == NULL) { 4353 sctp_free_key(key); 4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4355 error = ENOMEM; 4356 SCTP_INP_WUNLOCK(inp); 4357 break; 4358 } 4359 shared_key->key = key; 4360 shared_key->keyid = sca->sca_keynumber; 4361 error = sctp_insert_sharedkey(shared_keys, shared_key); 4362 SCTP_INP_WUNLOCK(inp); 4363 } 4364 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4365 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4366 SCTP_INP_RLOCK(inp); 4367 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4368 SCTP_TCB_LOCK(stcb); 4369 shared_keys = &stcb->asoc.shared_keys; 4370 /* 4371 * clear the cached keys for 4372 * this key id 4373 */ 4374 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4375 /* 4376 * create the new shared key 4377 * and insert/replace it 4378 */ 4379 if (size > 0) { 4380 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4381 if (key == NULL) { 4382 SCTP_TCB_UNLOCK(stcb); 4383 continue; 4384 } 4385 } 4386 shared_key = sctp_alloc_sharedkey(); 4387 if (shared_key == NULL) { 4388 sctp_free_key(key); 4389 SCTP_TCB_UNLOCK(stcb); 4390 continue; 4391 } 4392 shared_key->key = key; 4393 shared_key->keyid = sca->sca_keynumber; 4394 error = sctp_insert_sharedkey(shared_keys, shared_key); 4395 SCTP_TCB_UNLOCK(stcb); 4396 } 4397 SCTP_INP_RUNLOCK(inp); 4398 } 4399 } 4400 break; 4401 } 4402 case SCTP_HMAC_IDENT: 4403 { 4404 struct sctp_hmacalgo *shmac; 4405 sctp_hmaclist_t *hmaclist; 4406 uint16_t hmacid; 4407 uint32_t i; 4408 4409 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4410 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4411 (shmac->shmac_number_of_idents > 0xffff)) { 4412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4413 error = EINVAL; 4414 break; 4415 } 4416 4417 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4418 if (hmaclist == NULL) { 4419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4420 error = ENOMEM; 4421 break; 4422 } 4423 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4424 hmacid = shmac->shmac_idents[i]; 4425 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4426 /* invalid HMACs were found */ ; 4427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4428 error = EINVAL; 4429 sctp_free_hmaclist(hmaclist); 4430 goto sctp_set_hmac_done; 4431 } 4432 } 4433 for (i = 0; i < hmaclist->num_algo; i++) { 4434 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4435 /* already in list */ 4436 break; 4437 } 4438 } 4439 if (i == hmaclist->num_algo) { 4440 /* not found in list */ 4441 sctp_free_hmaclist(hmaclist); 4442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4443 error = EINVAL; 4444 break; 4445 } 4446 /* set it on the endpoint */ 4447 SCTP_INP_WLOCK(inp); 4448 if (inp->sctp_ep.local_hmacs) 4449 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4450 inp->sctp_ep.local_hmacs = hmaclist; 4451 SCTP_INP_WUNLOCK(inp); 4452 sctp_set_hmac_done: 4453 break; 4454 } 4455 case SCTP_AUTH_ACTIVE_KEY: 4456 { 4457 struct sctp_authkeyid *scact; 4458 4459 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4460 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4461 4462 /* set the active key on the right place */ 4463 if (stcb) { 4464 /* set the active key on the assoc */ 4465 if (sctp_auth_setactivekey(stcb, 4466 scact->scact_keynumber)) { 4467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4468 SCTP_FROM_SCTP_USRREQ, 4469 EINVAL); 4470 error = EINVAL; 4471 } 4472 SCTP_TCB_UNLOCK(stcb); 4473 } else { 4474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4476 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4477 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4478 SCTP_INP_WLOCK(inp); 4479 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4481 error = EINVAL; 4482 } 4483 SCTP_INP_WUNLOCK(inp); 4484 } 4485 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4486 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4487 SCTP_INP_RLOCK(inp); 4488 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4489 SCTP_TCB_LOCK(stcb); 4490 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4491 SCTP_TCB_UNLOCK(stcb); 4492 } 4493 SCTP_INP_RUNLOCK(inp); 4494 } 4495 } 4496 break; 4497 } 4498 case SCTP_AUTH_DELETE_KEY: 4499 { 4500 struct sctp_authkeyid *scdel; 4501 4502 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4503 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4504 4505 /* delete the key from the right place */ 4506 if (stcb) { 4507 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4509 error = EINVAL; 4510 } 4511 SCTP_TCB_UNLOCK(stcb); 4512 } else { 4513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4515 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4516 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4517 SCTP_INP_WLOCK(inp); 4518 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4520 error = EINVAL; 4521 } 4522 SCTP_INP_WUNLOCK(inp); 4523 } 4524 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4525 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4526 SCTP_INP_RLOCK(inp); 4527 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4528 SCTP_TCB_LOCK(stcb); 4529 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4530 SCTP_TCB_UNLOCK(stcb); 4531 } 4532 SCTP_INP_RUNLOCK(inp); 4533 } 4534 } 4535 break; 4536 } 4537 case SCTP_AUTH_DEACTIVATE_KEY: 4538 { 4539 struct sctp_authkeyid *keyid; 4540 4541 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4542 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4543 4544 /* deactivate the key from the right place */ 4545 if (stcb) { 4546 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4548 error = EINVAL; 4549 } 4550 SCTP_TCB_UNLOCK(stcb); 4551 } else { 4552 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4553 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4554 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4555 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4556 SCTP_INP_WLOCK(inp); 4557 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4559 error = EINVAL; 4560 } 4561 SCTP_INP_WUNLOCK(inp); 4562 } 4563 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4564 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4565 SCTP_INP_RLOCK(inp); 4566 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4567 SCTP_TCB_LOCK(stcb); 4568 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4569 SCTP_TCB_UNLOCK(stcb); 4570 } 4571 SCTP_INP_RUNLOCK(inp); 4572 } 4573 } 4574 break; 4575 } 4576 case SCTP_ENABLE_STREAM_RESET: 4577 { 4578 struct sctp_assoc_value *av; 4579 4580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4581 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 break; 4585 } 4586 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4587 if (stcb) { 4588 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4589 SCTP_TCB_UNLOCK(stcb); 4590 } else { 4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4593 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4594 (av->assoc_id == SCTP_ALL_ASSOC)) { 4595 SCTP_INP_WLOCK(inp); 4596 inp->local_strreset_support = (uint8_t)av->assoc_value; 4597 SCTP_INP_WUNLOCK(inp); 4598 } 4599 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4600 (av->assoc_id == SCTP_ALL_ASSOC)) { 4601 SCTP_INP_RLOCK(inp); 4602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4603 SCTP_TCB_LOCK(stcb); 4604 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4605 SCTP_TCB_UNLOCK(stcb); 4606 } 4607 SCTP_INP_RUNLOCK(inp); 4608 } 4609 4610 } 4611 break; 4612 } 4613 case SCTP_RESET_STREAMS: 4614 { 4615 struct sctp_reset_streams *strrst; 4616 int i, send_out = 0; 4617 int send_in = 0; 4618 4619 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4620 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4621 if (stcb == NULL) { 4622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4623 error = ENOENT; 4624 break; 4625 } 4626 if (stcb->asoc.reconfig_supported == 0) { 4627 /* 4628 * Peer does not support the chunk type. 4629 */ 4630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4631 error = EOPNOTSUPP; 4632 SCTP_TCB_UNLOCK(stcb); 4633 break; 4634 } 4635 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4637 error = EINVAL; 4638 SCTP_TCB_UNLOCK(stcb); 4639 break; 4640 } 4641 if (sizeof(struct sctp_reset_streams) + 4642 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4643 error = EINVAL; 4644 SCTP_TCB_UNLOCK(stcb); 4645 break; 4646 } 4647 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4648 send_in = 1; 4649 if (stcb->asoc.stream_reset_outstanding) { 4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4651 error = EALREADY; 4652 SCTP_TCB_UNLOCK(stcb); 4653 break; 4654 } 4655 } 4656 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4657 send_out = 1; 4658 } 4659 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4661 error = ENOMEM; 4662 SCTP_TCB_UNLOCK(stcb); 4663 break; 4664 } 4665 if ((send_in == 0) && (send_out == 0)) { 4666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4667 error = EINVAL; 4668 SCTP_TCB_UNLOCK(stcb); 4669 break; 4670 } 4671 for (i = 0; i < strrst->srs_number_streams; i++) { 4672 if ((send_in) && 4673 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4675 error = EINVAL; 4676 break; 4677 } 4678 if ((send_out) && 4679 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4681 error = EINVAL; 4682 break; 4683 } 4684 } 4685 if (error) { 4686 SCTP_TCB_UNLOCK(stcb); 4687 break; 4688 } 4689 if (send_out) { 4690 int cnt; 4691 uint16_t strm; 4692 4693 if (strrst->srs_number_streams) { 4694 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4695 strm = strrst->srs_stream_list[i]; 4696 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4697 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4698 cnt++; 4699 } 4700 } 4701 } else { 4702 /* Its all */ 4703 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4704 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4705 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4706 cnt++; 4707 } 4708 } 4709 } 4710 } 4711 if (send_in) { 4712 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4713 strrst->srs_stream_list, 4714 send_in, 0, 0, 0, 0, 0); 4715 } else { 4716 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4717 } 4718 if (error == 0) { 4719 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4720 } else { 4721 /* 4722 * For outgoing streams don't report any 4723 * problems in sending the request to the 4724 * application. XXX: Double check resetting 4725 * incoming streams. 4726 */ 4727 error = 0; 4728 } 4729 SCTP_TCB_UNLOCK(stcb); 4730 break; 4731 } 4732 case SCTP_ADD_STREAMS: 4733 { 4734 struct sctp_add_streams *stradd; 4735 uint8_t addstream = 0; 4736 uint16_t add_o_strmcnt = 0; 4737 uint16_t add_i_strmcnt = 0; 4738 4739 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4740 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4741 if (stcb == NULL) { 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4743 error = ENOENT; 4744 break; 4745 } 4746 if (stcb->asoc.reconfig_supported == 0) { 4747 /* 4748 * Peer does not support the chunk type. 4749 */ 4750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4751 error = EOPNOTSUPP; 4752 SCTP_TCB_UNLOCK(stcb); 4753 break; 4754 } 4755 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4757 error = EINVAL; 4758 SCTP_TCB_UNLOCK(stcb); 4759 break; 4760 } 4761 if (stcb->asoc.stream_reset_outstanding) { 4762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4763 error = EALREADY; 4764 SCTP_TCB_UNLOCK(stcb); 4765 break; 4766 } 4767 if ((stradd->sas_outstrms == 0) && 4768 (stradd->sas_instrms == 0)) { 4769 error = EINVAL; 4770 goto skip_stuff; 4771 } 4772 if (stradd->sas_outstrms) { 4773 addstream = 1; 4774 /* We allocate here */ 4775 add_o_strmcnt = stradd->sas_outstrms; 4776 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4777 /* You can't have more than 64k */ 4778 error = EINVAL; 4779 goto skip_stuff; 4780 } 4781 } 4782 if (stradd->sas_instrms) { 4783 int cnt; 4784 4785 addstream |= 2; 4786 /* 4787 * We allocate inside 4788 * sctp_send_str_reset_req() 4789 */ 4790 add_i_strmcnt = stradd->sas_instrms; 4791 cnt = add_i_strmcnt; 4792 cnt += stcb->asoc.streamincnt; 4793 if (cnt > 0x0000ffff) { 4794 /* You can't have more than 64k */ 4795 error = EINVAL; 4796 goto skip_stuff; 4797 } 4798 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4799 /* More than you are allowed */ 4800 error = EINVAL; 4801 goto skip_stuff; 4802 } 4803 } 4804 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4805 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4806 skip_stuff: 4807 SCTP_TCB_UNLOCK(stcb); 4808 break; 4809 } 4810 case SCTP_RESET_ASSOC: 4811 { 4812 int i; 4813 uint32_t *value; 4814 4815 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4816 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4817 if (stcb == NULL) { 4818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4819 error = ENOENT; 4820 break; 4821 } 4822 if (stcb->asoc.reconfig_supported == 0) { 4823 /* 4824 * Peer does not support the chunk type. 4825 */ 4826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4827 error = EOPNOTSUPP; 4828 SCTP_TCB_UNLOCK(stcb); 4829 break; 4830 } 4831 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4833 error = EINVAL; 4834 SCTP_TCB_UNLOCK(stcb); 4835 break; 4836 } 4837 if (stcb->asoc.stream_reset_outstanding) { 4838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4839 error = EALREADY; 4840 SCTP_TCB_UNLOCK(stcb); 4841 break; 4842 } 4843 /* 4844 * Is there any data pending in the send or sent 4845 * queues? 4846 */ 4847 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4848 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4849 busy_out: 4850 error = EBUSY; 4851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4852 SCTP_TCB_UNLOCK(stcb); 4853 break; 4854 } 4855 /* Do any streams have data queued? */ 4856 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4857 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4858 goto busy_out; 4859 } 4860 } 4861 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4862 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4863 SCTP_TCB_UNLOCK(stcb); 4864 break; 4865 } 4866 case SCTP_CONNECT_X: 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, 0); 4873 break; 4874 case SCTP_CONNECT_X_DELAYED: 4875 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4877 error = EINVAL; 4878 break; 4879 } 4880 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4881 break; 4882 case SCTP_CONNECT_X_COMPLETE: 4883 { 4884 struct sockaddr *sa; 4885 4886 /* FIXME MT: check correct? */ 4887 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4888 4889 /* find tcb */ 4890 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4891 SCTP_INP_RLOCK(inp); 4892 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4893 if (stcb) { 4894 SCTP_TCB_LOCK(stcb); 4895 } 4896 SCTP_INP_RUNLOCK(inp); 4897 } else { 4898 /* 4899 * We increment here since 4900 * sctp_findassociation_ep_addr() wil do a 4901 * decrement if it finds the stcb as long as 4902 * the locked tcb (last argument) is NOT a 4903 * TCB.. aka NULL. 4904 */ 4905 SCTP_INP_INCR_REF(inp); 4906 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4907 if (stcb == NULL) { 4908 SCTP_INP_DECR_REF(inp); 4909 } 4910 } 4911 4912 if (stcb == NULL) { 4913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4914 error = ENOENT; 4915 break; 4916 } 4917 if (stcb->asoc.delayed_connection == 1) { 4918 stcb->asoc.delayed_connection = 0; 4919 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4920 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4921 stcb->asoc.primary_destination, 4922 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4923 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4924 } else { 4925 /* 4926 * already expired or did not use delayed 4927 * connectx 4928 */ 4929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4930 error = EALREADY; 4931 } 4932 SCTP_TCB_UNLOCK(stcb); 4933 break; 4934 } 4935 case SCTP_MAX_BURST: 4936 { 4937 struct sctp_assoc_value *av; 4938 4939 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4940 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4941 4942 if (stcb) { 4943 stcb->asoc.max_burst = av->assoc_value; 4944 SCTP_TCB_UNLOCK(stcb); 4945 } else { 4946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4948 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4949 (av->assoc_id == SCTP_ALL_ASSOC)) { 4950 SCTP_INP_WLOCK(inp); 4951 inp->sctp_ep.max_burst = av->assoc_value; 4952 SCTP_INP_WUNLOCK(inp); 4953 } 4954 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4955 (av->assoc_id == SCTP_ALL_ASSOC)) { 4956 SCTP_INP_RLOCK(inp); 4957 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4958 SCTP_TCB_LOCK(stcb); 4959 stcb->asoc.max_burst = av->assoc_value; 4960 SCTP_TCB_UNLOCK(stcb); 4961 } 4962 SCTP_INP_RUNLOCK(inp); 4963 } 4964 } 4965 break; 4966 } 4967 case SCTP_MAXSEG: 4968 { 4969 struct sctp_assoc_value *av; 4970 int ovh; 4971 4972 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4973 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4974 4975 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4976 ovh = SCTP_MED_OVERHEAD; 4977 } else { 4978 ovh = SCTP_MED_V4_OVERHEAD; 4979 } 4980 if (stcb) { 4981 if (av->assoc_value) { 4982 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4983 } else { 4984 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4985 } 4986 SCTP_TCB_UNLOCK(stcb); 4987 } else { 4988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4989 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4990 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4991 SCTP_INP_WLOCK(inp); 4992 /* 4993 * FIXME MT: I think this is not in 4994 * tune with the API ID 4995 */ 4996 if (av->assoc_value) { 4997 inp->sctp_frag_point = (av->assoc_value + ovh); 4998 } else { 4999 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5000 } 5001 SCTP_INP_WUNLOCK(inp); 5002 } else { 5003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5004 error = EINVAL; 5005 } 5006 } 5007 break; 5008 } 5009 case SCTP_EVENTS: 5010 { 5011 struct sctp_event_subscribe *events; 5012 5013 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5014 5015 SCTP_INP_WLOCK(inp); 5016 if (events->sctp_data_io_event) { 5017 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5018 } else { 5019 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5020 } 5021 5022 if (events->sctp_association_event) { 5023 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5024 } else { 5025 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5026 } 5027 5028 if (events->sctp_address_event) { 5029 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5030 } else { 5031 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5032 } 5033 5034 if (events->sctp_send_failure_event) { 5035 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5036 } else { 5037 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5038 } 5039 5040 if (events->sctp_peer_error_event) { 5041 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5042 } else { 5043 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5044 } 5045 5046 if (events->sctp_shutdown_event) { 5047 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5048 } else { 5049 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5050 } 5051 5052 if (events->sctp_partial_delivery_event) { 5053 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5054 } else { 5055 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5056 } 5057 5058 if (events->sctp_adaptation_layer_event) { 5059 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5060 } else { 5061 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5062 } 5063 5064 if (events->sctp_authentication_event) { 5065 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5066 } else { 5067 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5068 } 5069 5070 if (events->sctp_sender_dry_event) { 5071 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5072 } else { 5073 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5074 } 5075 5076 if (events->sctp_stream_reset_event) { 5077 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5078 } else { 5079 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5080 } 5081 SCTP_INP_WUNLOCK(inp); 5082 5083 SCTP_INP_RLOCK(inp); 5084 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5085 SCTP_TCB_LOCK(stcb); 5086 if (events->sctp_association_event) { 5087 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5088 } else { 5089 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5090 } 5091 if (events->sctp_address_event) { 5092 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5093 } else { 5094 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5095 } 5096 if (events->sctp_send_failure_event) { 5097 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5098 } else { 5099 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5100 } 5101 if (events->sctp_peer_error_event) { 5102 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5103 } else { 5104 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5105 } 5106 if (events->sctp_shutdown_event) { 5107 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5108 } else { 5109 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5110 } 5111 if (events->sctp_partial_delivery_event) { 5112 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5113 } else { 5114 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5115 } 5116 if (events->sctp_adaptation_layer_event) { 5117 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5118 } else { 5119 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5120 } 5121 if (events->sctp_authentication_event) { 5122 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5123 } else { 5124 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5125 } 5126 if (events->sctp_sender_dry_event) { 5127 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5128 } else { 5129 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5130 } 5131 if (events->sctp_stream_reset_event) { 5132 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5133 } else { 5134 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5135 } 5136 SCTP_TCB_UNLOCK(stcb); 5137 } 5138 /* 5139 * Send up the sender dry event only for 1-to-1 5140 * style sockets. 5141 */ 5142 if (events->sctp_sender_dry_event) { 5143 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5144 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5145 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5146 if (stcb) { 5147 SCTP_TCB_LOCK(stcb); 5148 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5149 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5150 (stcb->asoc.stream_queue_cnt == 0)) { 5151 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5152 } 5153 SCTP_TCB_UNLOCK(stcb); 5154 } 5155 } 5156 } 5157 SCTP_INP_RUNLOCK(inp); 5158 break; 5159 } 5160 case SCTP_ADAPTATION_LAYER: 5161 { 5162 struct sctp_setadaptation *adap_bits; 5163 5164 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5165 SCTP_INP_WLOCK(inp); 5166 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5167 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5168 SCTP_INP_WUNLOCK(inp); 5169 break; 5170 } 5171 #ifdef SCTP_DEBUG 5172 case SCTP_SET_INITIAL_DBG_SEQ: 5173 { 5174 uint32_t *vvv; 5175 5176 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5177 SCTP_INP_WLOCK(inp); 5178 inp->sctp_ep.initial_sequence_debug = *vvv; 5179 SCTP_INP_WUNLOCK(inp); 5180 break; 5181 } 5182 #endif 5183 case SCTP_DEFAULT_SEND_PARAM: 5184 { 5185 struct sctp_sndrcvinfo *s_info; 5186 5187 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5188 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5189 5190 if (stcb) { 5191 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5192 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5193 } else { 5194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5195 error = EINVAL; 5196 } 5197 SCTP_TCB_UNLOCK(stcb); 5198 } else { 5199 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5200 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5201 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5202 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5203 SCTP_INP_WLOCK(inp); 5204 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5205 SCTP_INP_WUNLOCK(inp); 5206 } 5207 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5208 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5209 SCTP_INP_RLOCK(inp); 5210 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5211 SCTP_TCB_LOCK(stcb); 5212 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5213 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5214 } 5215 SCTP_TCB_UNLOCK(stcb); 5216 } 5217 SCTP_INP_RUNLOCK(inp); 5218 } 5219 } 5220 break; 5221 } 5222 case SCTP_PEER_ADDR_PARAMS: 5223 { 5224 struct sctp_paddrparams *paddrp; 5225 struct sctp_nets *net; 5226 struct sockaddr *addr; 5227 #if defined(INET) && defined(INET6) 5228 struct sockaddr_in sin_store; 5229 #endif 5230 5231 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5232 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5233 5234 #if defined(INET) && defined(INET6) 5235 if (paddrp->spp_address.ss_family == AF_INET6) { 5236 struct sockaddr_in6 *sin6; 5237 5238 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5239 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5240 in6_sin6_2_sin(&sin_store, sin6); 5241 addr = (struct sockaddr *)&sin_store; 5242 } else { 5243 addr = (struct sockaddr *)&paddrp->spp_address; 5244 } 5245 } else { 5246 addr = (struct sockaddr *)&paddrp->spp_address; 5247 } 5248 #else 5249 addr = (struct sockaddr *)&paddrp->spp_address; 5250 #endif 5251 if (stcb != NULL) { 5252 net = sctp_findnet(stcb, addr); 5253 } else { 5254 /* 5255 * We increment here since 5256 * sctp_findassociation_ep_addr() wil do a 5257 * decrement if it finds the stcb as long as 5258 * the locked tcb (last argument) is NOT a 5259 * TCB.. aka NULL. 5260 */ 5261 net = NULL; 5262 SCTP_INP_INCR_REF(inp); 5263 stcb = sctp_findassociation_ep_addr(&inp, addr, 5264 &net, NULL, NULL); 5265 if (stcb == NULL) { 5266 SCTP_INP_DECR_REF(inp); 5267 } 5268 } 5269 if ((stcb != NULL) && (net == NULL)) { 5270 #ifdef INET 5271 if (addr->sa_family == AF_INET) { 5272 5273 struct sockaddr_in *sin; 5274 5275 sin = (struct sockaddr_in *)addr; 5276 if (sin->sin_addr.s_addr != INADDR_ANY) { 5277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5278 SCTP_TCB_UNLOCK(stcb); 5279 error = EINVAL; 5280 break; 5281 } 5282 } else 5283 #endif 5284 #ifdef INET6 5285 if (addr->sa_family == AF_INET6) { 5286 struct sockaddr_in6 *sin6; 5287 5288 sin6 = (struct sockaddr_in6 *)addr; 5289 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5291 SCTP_TCB_UNLOCK(stcb); 5292 error = EINVAL; 5293 break; 5294 } 5295 } else 5296 #endif 5297 { 5298 error = EAFNOSUPPORT; 5299 SCTP_TCB_UNLOCK(stcb); 5300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5301 break; 5302 } 5303 } 5304 /* sanity checks */ 5305 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5306 if (stcb) 5307 SCTP_TCB_UNLOCK(stcb); 5308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5309 return (EINVAL); 5310 } 5311 5312 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5313 if (stcb) 5314 SCTP_TCB_UNLOCK(stcb); 5315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5316 return (EINVAL); 5317 } 5318 5319 if (stcb != NULL) { 5320 /************************TCB SPECIFIC SET ******************/ 5321 if (net != NULL) { 5322 /************************NET SPECIFIC SET ******************/ 5323 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5324 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5325 !(net->dest_state & SCTP_ADDR_NOHB)) { 5326 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5328 } 5329 net->dest_state |= SCTP_ADDR_NOHB; 5330 } 5331 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5332 if (paddrp->spp_hbinterval) { 5333 net->heart_beat_delay = paddrp->spp_hbinterval; 5334 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5335 net->heart_beat_delay = 0; 5336 } 5337 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5338 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5339 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5340 net->dest_state &= ~SCTP_ADDR_NOHB; 5341 } 5342 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5343 /* on demand HB */ 5344 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5345 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5346 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5347 } 5348 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5349 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5350 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5351 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5352 } 5353 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5354 net->mtu = paddrp->spp_pathmtu; 5355 switch (net->ro._l_addr.sa.sa_family) { 5356 #ifdef INET 5357 case AF_INET: 5358 net->mtu += SCTP_MIN_V4_OVERHEAD; 5359 break; 5360 #endif 5361 #ifdef INET6 5362 case AF_INET6: 5363 net->mtu += SCTP_MIN_OVERHEAD; 5364 break; 5365 #endif 5366 default: 5367 break; 5368 } 5369 if (net->mtu < stcb->asoc.smallest_mtu) { 5370 sctp_pathmtu_adjustment(stcb, net->mtu); 5371 } 5372 } 5373 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5374 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5375 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5376 } 5377 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5378 } 5379 if (paddrp->spp_pathmaxrxt) { 5380 if (net->dest_state & SCTP_ADDR_PF) { 5381 if (net->error_count > paddrp->spp_pathmaxrxt) { 5382 net->dest_state &= ~SCTP_ADDR_PF; 5383 } 5384 } else { 5385 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5386 (net->error_count > net->pf_threshold)) { 5387 net->dest_state |= SCTP_ADDR_PF; 5388 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5389 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5390 stcb->sctp_ep, stcb, net, 5391 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5392 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5393 } 5394 } 5395 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5396 if (net->error_count > paddrp->spp_pathmaxrxt) { 5397 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5398 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5399 } 5400 } else { 5401 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5402 net->dest_state |= SCTP_ADDR_REACHABLE; 5403 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5404 } 5405 } 5406 net->failure_threshold = paddrp->spp_pathmaxrxt; 5407 } 5408 if (paddrp->spp_flags & SPP_DSCP) { 5409 net->dscp = paddrp->spp_dscp & 0xfc; 5410 net->dscp |= 0x01; 5411 } 5412 #ifdef INET6 5413 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5414 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5415 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5416 net->flowlabel |= 0x80000000; 5417 } 5418 } 5419 #endif 5420 } else { 5421 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5422 if (paddrp->spp_pathmaxrxt != 0) { 5423 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5424 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5425 if (net->dest_state & SCTP_ADDR_PF) { 5426 if (net->error_count > paddrp->spp_pathmaxrxt) { 5427 net->dest_state &= ~SCTP_ADDR_PF; 5428 } 5429 } else { 5430 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5431 (net->error_count > net->pf_threshold)) { 5432 net->dest_state |= SCTP_ADDR_PF; 5433 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5434 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5435 stcb->sctp_ep, stcb, net, 5436 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5437 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5438 } 5439 } 5440 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5441 if (net->error_count > paddrp->spp_pathmaxrxt) { 5442 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5443 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5444 } 5445 } else { 5446 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5447 net->dest_state |= SCTP_ADDR_REACHABLE; 5448 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5449 } 5450 } 5451 net->failure_threshold = paddrp->spp_pathmaxrxt; 5452 } 5453 } 5454 5455 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5456 if (paddrp->spp_hbinterval != 0) { 5457 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5458 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5459 stcb->asoc.heart_beat_delay = 0; 5460 } 5461 /* Turn back on the timer */ 5462 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5463 if (paddrp->spp_hbinterval != 0) { 5464 net->heart_beat_delay = paddrp->spp_hbinterval; 5465 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5466 net->heart_beat_delay = 0; 5467 } 5468 if (net->dest_state & SCTP_ADDR_NOHB) { 5469 net->dest_state &= ~SCTP_ADDR_NOHB; 5470 } 5471 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5472 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5473 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5474 } 5475 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5476 } 5477 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5478 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5479 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5480 net->dest_state |= SCTP_ADDR_NOHB; 5481 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5482 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5483 inp, stcb, net, 5484 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5485 } 5486 } 5487 } 5488 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5489 } 5490 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5491 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5492 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5493 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5494 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5495 } 5496 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5497 net->mtu = paddrp->spp_pathmtu; 5498 switch (net->ro._l_addr.sa.sa_family) { 5499 #ifdef INET 5500 case AF_INET: 5501 net->mtu += SCTP_MIN_V4_OVERHEAD; 5502 break; 5503 #endif 5504 #ifdef INET6 5505 case AF_INET6: 5506 net->mtu += SCTP_MIN_OVERHEAD; 5507 break; 5508 #endif 5509 default: 5510 break; 5511 } 5512 if (net->mtu < stcb->asoc.smallest_mtu) { 5513 sctp_pathmtu_adjustment(stcb, net->mtu); 5514 } 5515 } 5516 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5517 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5518 } 5519 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5520 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5521 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5522 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5523 } 5524 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5525 } 5526 stcb->asoc.default_mtu = 0; 5527 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5528 } 5529 if (paddrp->spp_flags & SPP_DSCP) { 5530 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5531 net->dscp = paddrp->spp_dscp & 0xfc; 5532 net->dscp |= 0x01; 5533 } 5534 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5535 stcb->asoc.default_dscp |= 0x01; 5536 } 5537 #ifdef INET6 5538 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5539 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5540 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5541 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5542 net->flowlabel |= 0x80000000; 5543 } 5544 } 5545 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5546 stcb->asoc.default_flowlabel |= 0x80000000; 5547 } 5548 #endif 5549 } 5550 SCTP_TCB_UNLOCK(stcb); 5551 } else { 5552 /************************NO TCB, SET TO default stuff ******************/ 5553 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5554 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5555 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5556 SCTP_INP_WLOCK(inp); 5557 /* 5558 * For the TOS/FLOWLABEL stuff you 5559 * set it with the options on the 5560 * socket 5561 */ 5562 if (paddrp->spp_pathmaxrxt != 0) { 5563 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5564 } 5565 5566 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5567 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5568 else if (paddrp->spp_hbinterval != 0) { 5569 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5570 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5571 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5572 } 5573 5574 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5575 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5576 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5577 } else if (paddrp->spp_hbinterval) { 5578 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5579 } 5580 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5581 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5582 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5583 } 5584 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5585 inp->sctp_ep.default_mtu = 0; 5586 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5587 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5588 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5589 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5590 } 5591 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5592 } 5593 if (paddrp->spp_flags & SPP_DSCP) { 5594 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5595 inp->sctp_ep.default_dscp |= 0x01; 5596 } 5597 #ifdef INET6 5598 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5599 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5600 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5601 inp->sctp_ep.default_flowlabel |= 0x80000000; 5602 } 5603 } 5604 #endif 5605 SCTP_INP_WUNLOCK(inp); 5606 } else { 5607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5608 error = EINVAL; 5609 } 5610 } 5611 break; 5612 } 5613 case SCTP_RTOINFO: 5614 { 5615 struct sctp_rtoinfo *srto; 5616 uint32_t new_init, new_min, new_max; 5617 5618 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5619 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5620 5621 if (stcb) { 5622 if (srto->srto_initial) 5623 new_init = srto->srto_initial; 5624 else 5625 new_init = stcb->asoc.initial_rto; 5626 if (srto->srto_max) 5627 new_max = srto->srto_max; 5628 else 5629 new_max = stcb->asoc.maxrto; 5630 if (srto->srto_min) 5631 new_min = srto->srto_min; 5632 else 5633 new_min = stcb->asoc.minrto; 5634 if ((new_min <= new_init) && (new_init <= new_max)) { 5635 stcb->asoc.initial_rto = new_init; 5636 stcb->asoc.maxrto = new_max; 5637 stcb->asoc.minrto = new_min; 5638 } else { 5639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5640 error = EINVAL; 5641 } 5642 SCTP_TCB_UNLOCK(stcb); 5643 } else { 5644 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5645 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5646 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5647 SCTP_INP_WLOCK(inp); 5648 if (srto->srto_initial) 5649 new_init = srto->srto_initial; 5650 else 5651 new_init = inp->sctp_ep.initial_rto; 5652 if (srto->srto_max) 5653 new_max = srto->srto_max; 5654 else 5655 new_max = inp->sctp_ep.sctp_maxrto; 5656 if (srto->srto_min) 5657 new_min = srto->srto_min; 5658 else 5659 new_min = inp->sctp_ep.sctp_minrto; 5660 if ((new_min <= new_init) && (new_init <= new_max)) { 5661 inp->sctp_ep.initial_rto = new_init; 5662 inp->sctp_ep.sctp_maxrto = new_max; 5663 inp->sctp_ep.sctp_minrto = new_min; 5664 } else { 5665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5666 error = EINVAL; 5667 } 5668 SCTP_INP_WUNLOCK(inp); 5669 } else { 5670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5671 error = EINVAL; 5672 } 5673 } 5674 break; 5675 } 5676 case SCTP_ASSOCINFO: 5677 { 5678 struct sctp_assocparams *sasoc; 5679 5680 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5681 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5682 if (sasoc->sasoc_cookie_life) { 5683 /* boundary check the cookie life */ 5684 if (sasoc->sasoc_cookie_life < 1000) 5685 sasoc->sasoc_cookie_life = 1000; 5686 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5687 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5688 } 5689 } 5690 if (stcb) { 5691 if (sasoc->sasoc_asocmaxrxt) 5692 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5693 if (sasoc->sasoc_cookie_life) { 5694 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5695 } 5696 SCTP_TCB_UNLOCK(stcb); 5697 } else { 5698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5700 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5701 SCTP_INP_WLOCK(inp); 5702 if (sasoc->sasoc_asocmaxrxt) 5703 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5704 if (sasoc->sasoc_cookie_life) { 5705 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5706 } 5707 SCTP_INP_WUNLOCK(inp); 5708 } else { 5709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5710 error = EINVAL; 5711 } 5712 } 5713 break; 5714 } 5715 case SCTP_INITMSG: 5716 { 5717 struct sctp_initmsg *sinit; 5718 5719 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5720 SCTP_INP_WLOCK(inp); 5721 if (sinit->sinit_num_ostreams) 5722 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5723 5724 if (sinit->sinit_max_instreams) 5725 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5726 5727 if (sinit->sinit_max_attempts) 5728 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5729 5730 if (sinit->sinit_max_init_timeo) 5731 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5732 SCTP_INP_WUNLOCK(inp); 5733 break; 5734 } 5735 case SCTP_PRIMARY_ADDR: 5736 { 5737 struct sctp_setprim *spa; 5738 struct sctp_nets *net; 5739 struct sockaddr *addr; 5740 #if defined(INET) && defined(INET6) 5741 struct sockaddr_in sin_store; 5742 #endif 5743 5744 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5745 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5746 5747 #if defined(INET) && defined(INET6) 5748 if (spa->ssp_addr.ss_family == AF_INET6) { 5749 struct sockaddr_in6 *sin6; 5750 5751 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5752 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5753 in6_sin6_2_sin(&sin_store, sin6); 5754 addr = (struct sockaddr *)&sin_store; 5755 } else { 5756 addr = (struct sockaddr *)&spa->ssp_addr; 5757 } 5758 } else { 5759 addr = (struct sockaddr *)&spa->ssp_addr; 5760 } 5761 #else 5762 addr = (struct sockaddr *)&spa->ssp_addr; 5763 #endif 5764 if (stcb != NULL) { 5765 net = sctp_findnet(stcb, addr); 5766 } else { 5767 /* 5768 * We increment here since 5769 * sctp_findassociation_ep_addr() wil do a 5770 * decrement if it finds the stcb as long as 5771 * the locked tcb (last argument) is NOT a 5772 * TCB.. aka NULL. 5773 */ 5774 net = NULL; 5775 SCTP_INP_INCR_REF(inp); 5776 stcb = sctp_findassociation_ep_addr(&inp, addr, 5777 &net, NULL, NULL); 5778 if (stcb == NULL) { 5779 SCTP_INP_DECR_REF(inp); 5780 } 5781 } 5782 5783 if ((stcb != NULL) && (net != NULL)) { 5784 if (net != stcb->asoc.primary_destination) { 5785 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5786 /* Ok we need to set it */ 5787 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5788 if ((stcb->asoc.alternate) && 5789 (!(net->dest_state & SCTP_ADDR_PF)) && 5790 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5791 sctp_free_remote_addr(stcb->asoc.alternate); 5792 stcb->asoc.alternate = NULL; 5793 } 5794 } else { 5795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5796 error = EINVAL; 5797 } 5798 } else { 5799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5800 error = EINVAL; 5801 } 5802 } 5803 } else { 5804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5805 error = EINVAL; 5806 } 5807 if (stcb != NULL) { 5808 SCTP_TCB_UNLOCK(stcb); 5809 } 5810 break; 5811 } 5812 case SCTP_SET_DYNAMIC_PRIMARY: 5813 { 5814 union sctp_sockstore *ss; 5815 5816 error = priv_check(curthread, 5817 PRIV_NETINET_RESERVEDPORT); 5818 if (error) 5819 break; 5820 5821 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5822 /* SUPER USER CHECK? */ 5823 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5824 break; 5825 } 5826 case SCTP_SET_PEER_PRIMARY_ADDR: 5827 { 5828 struct sctp_setpeerprim *sspp; 5829 struct sockaddr *addr; 5830 #if defined(INET) && defined(INET6) 5831 struct sockaddr_in sin_store; 5832 #endif 5833 5834 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5835 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5836 if (stcb != NULL) { 5837 struct sctp_ifa *ifa; 5838 5839 #if defined(INET) && defined(INET6) 5840 if (sspp->sspp_addr.ss_family == AF_INET6) { 5841 struct sockaddr_in6 *sin6; 5842 5843 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5844 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5845 in6_sin6_2_sin(&sin_store, sin6); 5846 addr = (struct sockaddr *)&sin_store; 5847 } else { 5848 addr = (struct sockaddr *)&sspp->sspp_addr; 5849 } 5850 } else { 5851 addr = (struct sockaddr *)&sspp->sspp_addr; 5852 } 5853 #else 5854 addr = (struct sockaddr *)&sspp->sspp_addr; 5855 #endif 5856 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5857 if (ifa == NULL) { 5858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5859 error = EINVAL; 5860 goto out_of_it; 5861 } 5862 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5863 /* 5864 * Must validate the ifa found is in 5865 * our ep 5866 */ 5867 struct sctp_laddr *laddr; 5868 int found = 0; 5869 5870 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5871 if (laddr->ifa == NULL) { 5872 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5873 __func__); 5874 continue; 5875 } 5876 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5877 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5878 continue; 5879 } 5880 if (laddr->ifa == ifa) { 5881 found = 1; 5882 break; 5883 } 5884 } 5885 if (!found) { 5886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5887 error = EINVAL; 5888 goto out_of_it; 5889 } 5890 } else { 5891 switch (addr->sa_family) { 5892 #ifdef INET 5893 case AF_INET: 5894 { 5895 struct sockaddr_in *sin; 5896 5897 sin = (struct sockaddr_in *)addr; 5898 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5899 &sin->sin_addr) != 0) { 5900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5901 error = EINVAL; 5902 goto out_of_it; 5903 } 5904 break; 5905 } 5906 #endif 5907 #ifdef INET6 5908 case AF_INET6: 5909 { 5910 struct sockaddr_in6 *sin6; 5911 5912 sin6 = (struct sockaddr_in6 *)addr; 5913 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5914 &sin6->sin6_addr) != 0) { 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 goto out_of_it; 5918 } 5919 break; 5920 } 5921 #endif 5922 default: 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 goto out_of_it; 5926 } 5927 } 5928 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 error = EINVAL; 5931 } 5932 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5933 out_of_it: 5934 SCTP_TCB_UNLOCK(stcb); 5935 } else { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5937 error = EINVAL; 5938 } 5939 break; 5940 } 5941 case SCTP_BINDX_ADD_ADDR: 5942 { 5943 struct sctp_getaddresses *addrs; 5944 struct thread *td; 5945 5946 td = (struct thread *)p; 5947 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5948 optsize); 5949 #ifdef INET 5950 if (addrs->addr->sa_family == AF_INET) { 5951 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 error = EINVAL; 5954 break; 5955 } 5956 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5957 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5958 break; 5959 } 5960 } else 5961 #endif 5962 #ifdef INET6 5963 if (addrs->addr->sa_family == AF_INET6) { 5964 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5966 error = EINVAL; 5967 break; 5968 } 5969 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5970 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5971 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5972 break; 5973 } 5974 } else 5975 #endif 5976 { 5977 error = EAFNOSUPPORT; 5978 break; 5979 } 5980 sctp_bindx_add_address(so, inp, addrs->addr, 5981 addrs->sget_assoc_id, vrf_id, 5982 &error, p); 5983 break; 5984 } 5985 case SCTP_BINDX_REM_ADDR: 5986 { 5987 struct sctp_getaddresses *addrs; 5988 struct thread *td; 5989 5990 td = (struct thread *)p; 5991 5992 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5993 #ifdef INET 5994 if (addrs->addr->sa_family == AF_INET) { 5995 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5997 error = EINVAL; 5998 break; 5999 } 6000 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6001 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6002 break; 6003 } 6004 } else 6005 #endif 6006 #ifdef INET6 6007 if (addrs->addr->sa_family == AF_INET6) { 6008 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6010 error = EINVAL; 6011 break; 6012 } 6013 if (td != NULL && 6014 (error = prison_local_ip6(td->td_ucred, 6015 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6016 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6017 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6018 break; 6019 } 6020 } else 6021 #endif 6022 { 6023 error = EAFNOSUPPORT; 6024 break; 6025 } 6026 sctp_bindx_delete_address(inp, addrs->addr, 6027 addrs->sget_assoc_id, vrf_id, 6028 &error); 6029 break; 6030 } 6031 case SCTP_EVENT: 6032 { 6033 struct sctp_event *event; 6034 uint32_t event_type; 6035 6036 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6037 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6038 switch (event->se_type) { 6039 case SCTP_ASSOC_CHANGE: 6040 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6041 break; 6042 case SCTP_PEER_ADDR_CHANGE: 6043 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6044 break; 6045 case SCTP_REMOTE_ERROR: 6046 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6047 break; 6048 case SCTP_SEND_FAILED: 6049 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6050 break; 6051 case SCTP_SHUTDOWN_EVENT: 6052 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6053 break; 6054 case SCTP_ADAPTATION_INDICATION: 6055 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6056 break; 6057 case SCTP_PARTIAL_DELIVERY_EVENT: 6058 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6059 break; 6060 case SCTP_AUTHENTICATION_EVENT: 6061 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6062 break; 6063 case SCTP_STREAM_RESET_EVENT: 6064 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6065 break; 6066 case SCTP_SENDER_DRY_EVENT: 6067 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6068 break; 6069 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6070 event_type = 0; 6071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6072 error = ENOTSUP; 6073 break; 6074 case SCTP_ASSOC_RESET_EVENT: 6075 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6076 break; 6077 case SCTP_STREAM_CHANGE_EVENT: 6078 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6079 break; 6080 case SCTP_SEND_FAILED_EVENT: 6081 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6082 break; 6083 default: 6084 event_type = 0; 6085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6086 error = EINVAL; 6087 break; 6088 } 6089 if (event_type > 0) { 6090 if (stcb) { 6091 if (event->se_on) { 6092 sctp_stcb_feature_on(inp, stcb, event_type); 6093 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6094 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6095 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6096 (stcb->asoc.stream_queue_cnt == 0)) { 6097 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6098 } 6099 } 6100 } else { 6101 sctp_stcb_feature_off(inp, stcb, event_type); 6102 } 6103 SCTP_TCB_UNLOCK(stcb); 6104 } else { 6105 /* 6106 * We don't want to send up a storm 6107 * of events, so return an error for 6108 * sender dry events 6109 */ 6110 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6111 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6112 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6113 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6114 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6115 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6116 error = ENOTSUP; 6117 break; 6118 } 6119 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6120 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6121 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6122 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6123 SCTP_INP_WLOCK(inp); 6124 if (event->se_on) { 6125 sctp_feature_on(inp, event_type); 6126 } else { 6127 sctp_feature_off(inp, event_type); 6128 } 6129 SCTP_INP_WUNLOCK(inp); 6130 } 6131 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6132 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6133 SCTP_INP_RLOCK(inp); 6134 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6135 SCTP_TCB_LOCK(stcb); 6136 if (event->se_on) { 6137 sctp_stcb_feature_on(inp, stcb, event_type); 6138 } else { 6139 sctp_stcb_feature_off(inp, stcb, event_type); 6140 } 6141 SCTP_TCB_UNLOCK(stcb); 6142 } 6143 SCTP_INP_RUNLOCK(inp); 6144 } 6145 } 6146 } else { 6147 if (stcb) { 6148 SCTP_TCB_UNLOCK(stcb); 6149 } 6150 } 6151 break; 6152 } 6153 case SCTP_RECVRCVINFO: 6154 { 6155 int *onoff; 6156 6157 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6158 SCTP_INP_WLOCK(inp); 6159 if (*onoff != 0) { 6160 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6161 } else { 6162 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6163 } 6164 SCTP_INP_WUNLOCK(inp); 6165 break; 6166 } 6167 case SCTP_RECVNXTINFO: 6168 { 6169 int *onoff; 6170 6171 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6172 SCTP_INP_WLOCK(inp); 6173 if (*onoff != 0) { 6174 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6175 } else { 6176 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6177 } 6178 SCTP_INP_WUNLOCK(inp); 6179 break; 6180 } 6181 case SCTP_DEFAULT_SNDINFO: 6182 { 6183 struct sctp_sndinfo *info; 6184 uint16_t policy; 6185 6186 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6187 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6188 6189 if (stcb) { 6190 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6191 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6192 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6193 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6194 stcb->asoc.def_send.sinfo_flags |= policy; 6195 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6196 stcb->asoc.def_send.sinfo_context = info->snd_context; 6197 } else { 6198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6199 error = EINVAL; 6200 } 6201 SCTP_TCB_UNLOCK(stcb); 6202 } else { 6203 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6204 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6205 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6206 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6207 SCTP_INP_WLOCK(inp); 6208 inp->def_send.sinfo_stream = info->snd_sid; 6209 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6210 inp->def_send.sinfo_flags = info->snd_flags; 6211 inp->def_send.sinfo_flags |= policy; 6212 inp->def_send.sinfo_ppid = info->snd_ppid; 6213 inp->def_send.sinfo_context = info->snd_context; 6214 SCTP_INP_WUNLOCK(inp); 6215 } 6216 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6217 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6218 SCTP_INP_RLOCK(inp); 6219 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6220 SCTP_TCB_LOCK(stcb); 6221 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6222 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6223 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6224 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6225 stcb->asoc.def_send.sinfo_flags |= policy; 6226 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6227 stcb->asoc.def_send.sinfo_context = info->snd_context; 6228 } 6229 SCTP_TCB_UNLOCK(stcb); 6230 } 6231 SCTP_INP_RUNLOCK(inp); 6232 } 6233 } 6234 break; 6235 } 6236 case SCTP_DEFAULT_PRINFO: 6237 { 6238 struct sctp_default_prinfo *info; 6239 6240 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6241 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6242 6243 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6244 if (stcb) { 6245 SCTP_TCB_UNLOCK(stcb); 6246 } 6247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6248 error = EINVAL; 6249 break; 6250 } 6251 if (stcb) { 6252 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6253 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6254 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6255 SCTP_TCB_UNLOCK(stcb); 6256 } else { 6257 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6258 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6259 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6260 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6261 SCTP_INP_WLOCK(inp); 6262 inp->def_send.sinfo_flags &= 0xfff0; 6263 inp->def_send.sinfo_flags |= info->pr_policy; 6264 inp->def_send.sinfo_timetolive = info->pr_value; 6265 SCTP_INP_WUNLOCK(inp); 6266 } 6267 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6268 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6269 SCTP_INP_RLOCK(inp); 6270 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6271 SCTP_TCB_LOCK(stcb); 6272 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6273 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6274 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6275 SCTP_TCB_UNLOCK(stcb); 6276 } 6277 SCTP_INP_RUNLOCK(inp); 6278 } 6279 } 6280 break; 6281 } 6282 case SCTP_PEER_ADDR_THLDS: 6283 /* Applies to the specific association */ 6284 { 6285 struct sctp_paddrthlds *thlds; 6286 struct sctp_nets *net; 6287 struct sockaddr *addr; 6288 #if defined(INET) && defined(INET6) 6289 struct sockaddr_in sin_store; 6290 #endif 6291 6292 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6293 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6294 6295 #if defined(INET) && defined(INET6) 6296 if (thlds->spt_address.ss_family == AF_INET6) { 6297 struct sockaddr_in6 *sin6; 6298 6299 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6300 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6301 in6_sin6_2_sin(&sin_store, sin6); 6302 addr = (struct sockaddr *)&sin_store; 6303 } else { 6304 addr = (struct sockaddr *)&thlds->spt_address; 6305 } 6306 } else { 6307 addr = (struct sockaddr *)&thlds->spt_address; 6308 } 6309 #else 6310 addr = (struct sockaddr *)&thlds->spt_address; 6311 #endif 6312 if (stcb != NULL) { 6313 net = sctp_findnet(stcb, addr); 6314 } else { 6315 /* 6316 * We increment here since 6317 * sctp_findassociation_ep_addr() wil do a 6318 * decrement if it finds the stcb as long as 6319 * the locked tcb (last argument) is NOT a 6320 * TCB.. aka NULL. 6321 */ 6322 net = NULL; 6323 SCTP_INP_INCR_REF(inp); 6324 stcb = sctp_findassociation_ep_addr(&inp, addr, 6325 &net, NULL, NULL); 6326 if (stcb == NULL) { 6327 SCTP_INP_DECR_REF(inp); 6328 } 6329 } 6330 if ((stcb != NULL) && (net == NULL)) { 6331 #ifdef INET 6332 if (addr->sa_family == AF_INET) { 6333 6334 struct sockaddr_in *sin; 6335 6336 sin = (struct sockaddr_in *)addr; 6337 if (sin->sin_addr.s_addr != INADDR_ANY) { 6338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6339 SCTP_TCB_UNLOCK(stcb); 6340 error = EINVAL; 6341 break; 6342 } 6343 } else 6344 #endif 6345 #ifdef INET6 6346 if (addr->sa_family == AF_INET6) { 6347 struct sockaddr_in6 *sin6; 6348 6349 sin6 = (struct sockaddr_in6 *)addr; 6350 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6352 SCTP_TCB_UNLOCK(stcb); 6353 error = EINVAL; 6354 break; 6355 } 6356 } else 6357 #endif 6358 { 6359 error = EAFNOSUPPORT; 6360 SCTP_TCB_UNLOCK(stcb); 6361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6362 break; 6363 } 6364 } 6365 if (thlds->spt_pathcpthld != 0xffff) { 6366 if (stcb != NULL) { 6367 SCTP_TCB_UNLOCK(stcb); 6368 } 6369 error = EINVAL; 6370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6371 break; 6372 } 6373 if (stcb != NULL) { 6374 if (net != NULL) { 6375 net->failure_threshold = thlds->spt_pathmaxrxt; 6376 net->pf_threshold = thlds->spt_pathpfthld; 6377 if (net->dest_state & SCTP_ADDR_PF) { 6378 if ((net->error_count > net->failure_threshold) || 6379 (net->error_count <= net->pf_threshold)) { 6380 net->dest_state &= ~SCTP_ADDR_PF; 6381 } 6382 } else { 6383 if ((net->error_count > net->pf_threshold) && 6384 (net->error_count <= net->failure_threshold)) { 6385 net->dest_state |= SCTP_ADDR_PF; 6386 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6387 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6388 stcb->sctp_ep, stcb, net, 6389 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6390 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6391 } 6392 } 6393 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6394 if (net->error_count > net->failure_threshold) { 6395 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6396 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6397 } 6398 } else { 6399 if (net->error_count <= net->failure_threshold) { 6400 net->dest_state |= SCTP_ADDR_REACHABLE; 6401 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6402 } 6403 } 6404 } else { 6405 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6406 net->failure_threshold = thlds->spt_pathmaxrxt; 6407 net->pf_threshold = thlds->spt_pathpfthld; 6408 if (net->dest_state & SCTP_ADDR_PF) { 6409 if ((net->error_count > net->failure_threshold) || 6410 (net->error_count <= net->pf_threshold)) { 6411 net->dest_state &= ~SCTP_ADDR_PF; 6412 } 6413 } else { 6414 if ((net->error_count > net->pf_threshold) && 6415 (net->error_count <= net->failure_threshold)) { 6416 net->dest_state |= SCTP_ADDR_PF; 6417 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6418 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6419 stcb->sctp_ep, stcb, net, 6420 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6421 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6422 } 6423 } 6424 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6425 if (net->error_count > net->failure_threshold) { 6426 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6427 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6428 } 6429 } else { 6430 if (net->error_count <= net->failure_threshold) { 6431 net->dest_state |= SCTP_ADDR_REACHABLE; 6432 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6433 } 6434 } 6435 } 6436 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6437 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6438 } 6439 SCTP_TCB_UNLOCK(stcb); 6440 } else { 6441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6442 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6443 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6444 SCTP_INP_WLOCK(inp); 6445 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6446 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6447 SCTP_INP_WUNLOCK(inp); 6448 } else { 6449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6450 error = EINVAL; 6451 } 6452 } 6453 break; 6454 } 6455 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6456 { 6457 struct sctp_udpencaps *encaps; 6458 struct sctp_nets *net; 6459 struct sockaddr *addr; 6460 #if defined(INET) && defined(INET6) 6461 struct sockaddr_in sin_store; 6462 #endif 6463 6464 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6465 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6466 6467 #if defined(INET) && defined(INET6) 6468 if (encaps->sue_address.ss_family == AF_INET6) { 6469 struct sockaddr_in6 *sin6; 6470 6471 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6472 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6473 in6_sin6_2_sin(&sin_store, sin6); 6474 addr = (struct sockaddr *)&sin_store; 6475 } else { 6476 addr = (struct sockaddr *)&encaps->sue_address; 6477 } 6478 } else { 6479 addr = (struct sockaddr *)&encaps->sue_address; 6480 } 6481 #else 6482 addr = (struct sockaddr *)&encaps->sue_address; 6483 #endif 6484 if (stcb != NULL) { 6485 net = sctp_findnet(stcb, addr); 6486 } else { 6487 /* 6488 * We increment here since 6489 * sctp_findassociation_ep_addr() wil do a 6490 * decrement if it finds the stcb as long as 6491 * the locked tcb (last argument) is NOT a 6492 * TCB.. aka NULL. 6493 */ 6494 net = NULL; 6495 SCTP_INP_INCR_REF(inp); 6496 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6497 if (stcb == NULL) { 6498 SCTP_INP_DECR_REF(inp); 6499 } 6500 } 6501 if ((stcb != NULL) && (net == NULL)) { 6502 #ifdef INET 6503 if (addr->sa_family == AF_INET) { 6504 6505 struct sockaddr_in *sin; 6506 6507 sin = (struct sockaddr_in *)addr; 6508 if (sin->sin_addr.s_addr != INADDR_ANY) { 6509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6510 SCTP_TCB_UNLOCK(stcb); 6511 error = EINVAL; 6512 break; 6513 } 6514 } else 6515 #endif 6516 #ifdef INET6 6517 if (addr->sa_family == AF_INET6) { 6518 struct sockaddr_in6 *sin6; 6519 6520 sin6 = (struct sockaddr_in6 *)addr; 6521 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6523 SCTP_TCB_UNLOCK(stcb); 6524 error = EINVAL; 6525 break; 6526 } 6527 } else 6528 #endif 6529 { 6530 error = EAFNOSUPPORT; 6531 SCTP_TCB_UNLOCK(stcb); 6532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6533 break; 6534 } 6535 } 6536 6537 if (stcb != NULL) { 6538 if (net != NULL) { 6539 net->port = encaps->sue_port; 6540 } else { 6541 stcb->asoc.port = encaps->sue_port; 6542 } 6543 SCTP_TCB_UNLOCK(stcb); 6544 } else { 6545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6547 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6548 SCTP_INP_WLOCK(inp); 6549 inp->sctp_ep.port = encaps->sue_port; 6550 SCTP_INP_WUNLOCK(inp); 6551 } else { 6552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6553 error = EINVAL; 6554 } 6555 } 6556 break; 6557 } 6558 case SCTP_ECN_SUPPORTED: 6559 { 6560 struct sctp_assoc_value *av; 6561 6562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6564 6565 if (stcb) { 6566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6567 error = EINVAL; 6568 SCTP_TCB_UNLOCK(stcb); 6569 } else { 6570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6572 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6573 SCTP_INP_WLOCK(inp); 6574 if (av->assoc_value == 0) { 6575 inp->ecn_supported = 0; 6576 } else { 6577 inp->ecn_supported = 1; 6578 } 6579 SCTP_INP_WUNLOCK(inp); 6580 } else { 6581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6582 error = EINVAL; 6583 } 6584 } 6585 break; 6586 } 6587 case SCTP_PR_SUPPORTED: 6588 { 6589 struct sctp_assoc_value *av; 6590 6591 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6592 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6593 6594 if (stcb) { 6595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6596 error = EINVAL; 6597 SCTP_TCB_UNLOCK(stcb); 6598 } else { 6599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6601 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6602 SCTP_INP_WLOCK(inp); 6603 if (av->assoc_value == 0) { 6604 inp->prsctp_supported = 0; 6605 } else { 6606 inp->prsctp_supported = 1; 6607 } 6608 SCTP_INP_WUNLOCK(inp); 6609 } else { 6610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6611 error = EINVAL; 6612 } 6613 } 6614 break; 6615 } 6616 case SCTP_AUTH_SUPPORTED: 6617 { 6618 struct sctp_assoc_value *av; 6619 6620 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6621 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6622 6623 if (stcb) { 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 SCTP_TCB_UNLOCK(stcb); 6627 } else { 6628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6630 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6631 if ((av->assoc_value == 0) && 6632 (inp->asconf_supported == 1)) { 6633 /* 6634 * AUTH is required for 6635 * ASCONF 6636 */ 6637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6638 error = EINVAL; 6639 } else { 6640 SCTP_INP_WLOCK(inp); 6641 if (av->assoc_value == 0) { 6642 inp->auth_supported = 0; 6643 } else { 6644 inp->auth_supported = 1; 6645 } 6646 SCTP_INP_WUNLOCK(inp); 6647 } 6648 } else { 6649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6650 error = EINVAL; 6651 } 6652 } 6653 break; 6654 } 6655 case SCTP_ASCONF_SUPPORTED: 6656 { 6657 struct sctp_assoc_value *av; 6658 6659 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6660 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6661 6662 if (stcb) { 6663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6664 error = EINVAL; 6665 SCTP_TCB_UNLOCK(stcb); 6666 } else { 6667 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6668 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6669 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6670 if ((av->assoc_value != 0) && 6671 (inp->auth_supported == 0)) { 6672 /* 6673 * AUTH is required for 6674 * ASCONF 6675 */ 6676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6677 error = EINVAL; 6678 } else { 6679 SCTP_INP_WLOCK(inp); 6680 if (av->assoc_value == 0) { 6681 inp->asconf_supported = 0; 6682 sctp_auth_delete_chunk(SCTP_ASCONF, 6683 inp->sctp_ep.local_auth_chunks); 6684 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6685 inp->sctp_ep.local_auth_chunks); 6686 } else { 6687 inp->asconf_supported = 1; 6688 sctp_auth_add_chunk(SCTP_ASCONF, 6689 inp->sctp_ep.local_auth_chunks); 6690 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6691 inp->sctp_ep.local_auth_chunks); 6692 } 6693 SCTP_INP_WUNLOCK(inp); 6694 } 6695 } else { 6696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6697 error = EINVAL; 6698 } 6699 } 6700 break; 6701 } 6702 case SCTP_RECONFIG_SUPPORTED: 6703 { 6704 struct sctp_assoc_value *av; 6705 6706 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6707 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6708 6709 if (stcb) { 6710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6711 error = EINVAL; 6712 SCTP_TCB_UNLOCK(stcb); 6713 } else { 6714 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6715 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6716 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6717 SCTP_INP_WLOCK(inp); 6718 if (av->assoc_value == 0) { 6719 inp->reconfig_supported = 0; 6720 } else { 6721 inp->reconfig_supported = 1; 6722 } 6723 SCTP_INP_WUNLOCK(inp); 6724 } else { 6725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6726 error = EINVAL; 6727 } 6728 } 6729 break; 6730 } 6731 case SCTP_NRSACK_SUPPORTED: 6732 { 6733 struct sctp_assoc_value *av; 6734 6735 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6736 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6737 6738 if (stcb) { 6739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6740 error = EINVAL; 6741 SCTP_TCB_UNLOCK(stcb); 6742 } else { 6743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6745 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6746 SCTP_INP_WLOCK(inp); 6747 if (av->assoc_value == 0) { 6748 inp->nrsack_supported = 0; 6749 } else { 6750 inp->nrsack_supported = 1; 6751 } 6752 SCTP_INP_WUNLOCK(inp); 6753 } else { 6754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6755 error = EINVAL; 6756 } 6757 } 6758 break; 6759 } 6760 case SCTP_PKTDROP_SUPPORTED: 6761 { 6762 struct sctp_assoc_value *av; 6763 6764 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6765 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6766 6767 if (stcb) { 6768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6769 error = EINVAL; 6770 SCTP_TCB_UNLOCK(stcb); 6771 } else { 6772 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6773 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6774 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6775 SCTP_INP_WLOCK(inp); 6776 if (av->assoc_value == 0) { 6777 inp->pktdrop_supported = 0; 6778 } else { 6779 inp->pktdrop_supported = 1; 6780 } 6781 SCTP_INP_WUNLOCK(inp); 6782 } else { 6783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6784 error = EINVAL; 6785 } 6786 } 6787 break; 6788 } 6789 case SCTP_MAX_CWND: 6790 { 6791 struct sctp_assoc_value *av; 6792 struct sctp_nets *net; 6793 6794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6795 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6796 6797 if (stcb) { 6798 stcb->asoc.max_cwnd = av->assoc_value; 6799 if (stcb->asoc.max_cwnd > 0) { 6800 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6801 if ((net->cwnd > stcb->asoc.max_cwnd) && 6802 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6803 net->cwnd = stcb->asoc.max_cwnd; 6804 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6805 net->cwnd = net->mtu - sizeof(struct sctphdr); 6806 } 6807 } 6808 } 6809 } 6810 SCTP_TCB_UNLOCK(stcb); 6811 } else { 6812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6813 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6814 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6815 SCTP_INP_WLOCK(inp); 6816 inp->max_cwnd = av->assoc_value; 6817 SCTP_INP_WUNLOCK(inp); 6818 } else { 6819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6820 error = EINVAL; 6821 } 6822 } 6823 break; 6824 } 6825 default: 6826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6827 error = ENOPROTOOPT; 6828 break; 6829 } /* end switch (opt) */ 6830 return (error); 6831 } 6832 6833 int 6834 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6835 { 6836 void *optval = NULL; 6837 size_t optsize = 0; 6838 void *p; 6839 int error = 0; 6840 struct sctp_inpcb *inp; 6841 6842 if ((sopt->sopt_level == SOL_SOCKET) && 6843 (sopt->sopt_name == SO_SETFIB)) { 6844 inp = (struct sctp_inpcb *)so->so_pcb; 6845 if (inp == NULL) { 6846 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6847 return (EINVAL); 6848 } 6849 SCTP_INP_WLOCK(inp); 6850 inp->fibnum = so->so_fibnum; 6851 SCTP_INP_WUNLOCK(inp); 6852 return (0); 6853 } 6854 if (sopt->sopt_level != IPPROTO_SCTP) { 6855 /* wrong proto level... send back up to IP */ 6856 #ifdef INET6 6857 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6858 error = ip6_ctloutput(so, sopt); 6859 #endif /* INET6 */ 6860 #if defined(INET) && defined(INET6) 6861 else 6862 #endif 6863 #ifdef INET 6864 error = ip_ctloutput(so, sopt); 6865 #endif 6866 return (error); 6867 } 6868 optsize = sopt->sopt_valsize; 6869 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6870 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6871 return (ENOBUFS); 6872 } 6873 if (optsize) { 6874 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6875 if (optval == NULL) { 6876 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6877 return (ENOBUFS); 6878 } 6879 error = sooptcopyin(sopt, optval, optsize, optsize); 6880 if (error) { 6881 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6882 goto out; 6883 } 6884 } 6885 p = (void *)sopt->sopt_td; 6886 if (sopt->sopt_dir == SOPT_SET) { 6887 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6888 } else if (sopt->sopt_dir == SOPT_GET) { 6889 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6890 } else { 6891 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6892 error = EINVAL; 6893 } 6894 if ((error == 0) && (optval != NULL)) { 6895 error = sooptcopyout(sopt, optval, optsize); 6896 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6897 } else if (optval != NULL) { 6898 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6899 } 6900 out: 6901 return (error); 6902 } 6903 6904 #ifdef INET 6905 static int 6906 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6907 { 6908 int error = 0; 6909 int create_lock_on = 0; 6910 uint32_t vrf_id; 6911 struct sctp_inpcb *inp; 6912 struct sctp_tcb *stcb = NULL; 6913 6914 inp = (struct sctp_inpcb *)so->so_pcb; 6915 if (inp == NULL) { 6916 /* I made the same as TCP since we are not setup? */ 6917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6918 return (ECONNRESET); 6919 } 6920 if (addr == NULL) { 6921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6922 return EINVAL; 6923 } 6924 6925 switch (addr->sa_family) { 6926 #ifdef INET6 6927 case AF_INET6: 6928 { 6929 struct sockaddr_in6 *sin6p; 6930 6931 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6933 return (EINVAL); 6934 } 6935 sin6p = (struct sockaddr_in6 *)addr; 6936 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6938 return (error); 6939 } 6940 break; 6941 } 6942 #endif 6943 #ifdef INET 6944 case AF_INET: 6945 { 6946 struct sockaddr_in *sinp; 6947 6948 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6950 return (EINVAL); 6951 } 6952 sinp = (struct sockaddr_in *)addr; 6953 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6955 return (error); 6956 } 6957 break; 6958 } 6959 #endif 6960 default: 6961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6962 return (EAFNOSUPPORT); 6963 } 6964 SCTP_INP_INCR_REF(inp); 6965 SCTP_ASOC_CREATE_LOCK(inp); 6966 create_lock_on = 1; 6967 6968 6969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6970 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6971 /* Should I really unlock ? */ 6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6973 error = EFAULT; 6974 goto out_now; 6975 } 6976 #ifdef INET6 6977 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6978 (addr->sa_family == AF_INET6)) { 6979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6980 error = EINVAL; 6981 goto out_now; 6982 } 6983 #endif 6984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6985 SCTP_PCB_FLAGS_UNBOUND) { 6986 /* Bind a ephemeral port */ 6987 error = sctp_inpcb_bind(so, NULL, NULL, p); 6988 if (error) { 6989 goto out_now; 6990 } 6991 } 6992 /* Now do we connect? */ 6993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6994 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6996 error = EINVAL; 6997 goto out_now; 6998 } 6999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7000 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7001 /* We are already connected AND the TCP model */ 7002 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7003 error = EADDRINUSE; 7004 goto out_now; 7005 } 7006 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7007 SCTP_INP_RLOCK(inp); 7008 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7009 SCTP_INP_RUNLOCK(inp); 7010 } else { 7011 /* 7012 * We increment here since sctp_findassociation_ep_addr() 7013 * will do a decrement if it finds the stcb as long as the 7014 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7015 */ 7016 SCTP_INP_INCR_REF(inp); 7017 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7018 if (stcb == NULL) { 7019 SCTP_INP_DECR_REF(inp); 7020 } else { 7021 SCTP_TCB_UNLOCK(stcb); 7022 } 7023 } 7024 if (stcb != NULL) { 7025 /* Already have or am bring up an association */ 7026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7027 error = EALREADY; 7028 goto out_now; 7029 } 7030 7031 vrf_id = inp->def_vrf_id; 7032 /* We are GOOD to go */ 7033 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7034 inp->sctp_ep.pre_open_stream_count, 7035 inp->sctp_ep.port, p); 7036 if (stcb == NULL) { 7037 /* Gak! no memory */ 7038 goto out_now; 7039 } 7040 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7041 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7042 /* Set the connected flag so we can queue data */ 7043 soisconnecting(so); 7044 } 7045 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7046 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7047 7048 /* initialize authentication parameters for the assoc */ 7049 sctp_initialize_auth_params(inp, stcb); 7050 7051 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7052 SCTP_TCB_UNLOCK(stcb); 7053 out_now: 7054 if (create_lock_on) { 7055 SCTP_ASOC_CREATE_UNLOCK(inp); 7056 } 7057 7058 SCTP_INP_DECR_REF(inp); 7059 return (error); 7060 } 7061 #endif 7062 7063 int 7064 sctp_listen(struct socket *so, int backlog, struct thread *p) 7065 { 7066 /* 7067 * Note this module depends on the protocol processing being called 7068 * AFTER any socket level flags and backlog are applied to the 7069 * socket. The traditional way that the socket flags are applied is 7070 * AFTER protocol processing. We have made a change to the 7071 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7072 * place if the socket API for SCTP is to work properly. 7073 */ 7074 7075 int error = 0; 7076 struct sctp_inpcb *inp; 7077 7078 inp = (struct sctp_inpcb *)so->so_pcb; 7079 if (inp == NULL) { 7080 /* I made the same as TCP since we are not setup? */ 7081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7082 return (ECONNRESET); 7083 } 7084 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7085 /* See if we have a listener */ 7086 struct sctp_inpcb *tinp; 7087 union sctp_sockstore store; 7088 7089 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7090 /* not bound all */ 7091 struct sctp_laddr *laddr; 7092 7093 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7094 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7095 switch (store.sa.sa_family) { 7096 #ifdef INET 7097 case AF_INET: 7098 store.sin.sin_port = inp->sctp_lport; 7099 break; 7100 #endif 7101 #ifdef INET6 7102 case AF_INET6: 7103 store.sin6.sin6_port = inp->sctp_lport; 7104 break; 7105 #endif 7106 default: 7107 break; 7108 } 7109 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7110 if (tinp && (tinp != inp) && 7111 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7112 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7113 (SCTP_IS_LISTENING(tinp))) { 7114 /* 7115 * we have a listener already and 7116 * its not this inp. 7117 */ 7118 SCTP_INP_DECR_REF(tinp); 7119 return (EADDRINUSE); 7120 } else if (tinp) { 7121 SCTP_INP_DECR_REF(tinp); 7122 } 7123 } 7124 } else { 7125 /* Setup a local addr bound all */ 7126 memset(&store, 0, sizeof(store)); 7127 #ifdef INET6 7128 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7129 store.sa.sa_family = AF_INET6; 7130 store.sa.sa_len = sizeof(struct sockaddr_in6); 7131 } 7132 #endif 7133 #ifdef INET 7134 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7135 store.sa.sa_family = AF_INET; 7136 store.sa.sa_len = sizeof(struct sockaddr_in); 7137 } 7138 #endif 7139 switch (store.sa.sa_family) { 7140 #ifdef INET 7141 case AF_INET: 7142 store.sin.sin_port = inp->sctp_lport; 7143 break; 7144 #endif 7145 #ifdef INET6 7146 case AF_INET6: 7147 store.sin6.sin6_port = inp->sctp_lport; 7148 break; 7149 #endif 7150 default: 7151 break; 7152 } 7153 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7154 if (tinp && (tinp != inp) && 7155 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7156 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7157 (SCTP_IS_LISTENING(tinp))) { 7158 /* 7159 * we have a listener already and its not 7160 * this inp. 7161 */ 7162 SCTP_INP_DECR_REF(tinp); 7163 return (EADDRINUSE); 7164 } else if (tinp) { 7165 SCTP_INP_DECR_REF(tinp); 7166 } 7167 } 7168 } 7169 SCTP_INP_RLOCK(inp); 7170 #ifdef SCTP_LOCK_LOGGING 7171 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7172 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7173 } 7174 #endif 7175 SOCK_LOCK(so); 7176 error = solisten_proto_check(so); 7177 SOCK_UNLOCK(so); 7178 if (error) { 7179 SCTP_INP_RUNLOCK(inp); 7180 return (error); 7181 } 7182 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7183 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7184 /* 7185 * The unlucky case - We are in the tcp pool with this guy. 7186 * - Someone else is in the main inp slot. - We must move 7187 * this guy (the listener) to the main slot - We must then 7188 * move the guy that was listener to the TCP Pool. 7189 */ 7190 if (sctp_swap_inpcb_for_listen(inp)) { 7191 SCTP_INP_RUNLOCK(inp); 7192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7193 return (EADDRINUSE); 7194 } 7195 } 7196 7197 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7198 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7199 /* We are already connected AND the TCP model */ 7200 SCTP_INP_RUNLOCK(inp); 7201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7202 return (EADDRINUSE); 7203 } 7204 SCTP_INP_RUNLOCK(inp); 7205 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7206 /* We must do a bind. */ 7207 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7208 /* bind error, probably perm */ 7209 return (error); 7210 } 7211 } 7212 SCTP_INP_WLOCK(inp); 7213 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7214 SOCK_LOCK(so); 7215 solisten_proto(so, backlog); 7216 SOCK_UNLOCK(so); 7217 } 7218 if (backlog > 0) { 7219 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7220 } else { 7221 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7222 } 7223 SCTP_INP_WUNLOCK(inp); 7224 return (error); 7225 } 7226 7227 static int sctp_defered_wakeup_cnt = 0; 7228 7229 int 7230 sctp_accept(struct socket *so, struct sockaddr **addr) 7231 { 7232 struct sctp_tcb *stcb; 7233 struct sctp_inpcb *inp; 7234 union sctp_sockstore store; 7235 #ifdef INET6 7236 int error; 7237 #endif 7238 inp = (struct sctp_inpcb *)so->so_pcb; 7239 7240 if (inp == NULL) { 7241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7242 return (ECONNRESET); 7243 } 7244 SCTP_INP_RLOCK(inp); 7245 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7246 SCTP_INP_RUNLOCK(inp); 7247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7248 return (EOPNOTSUPP); 7249 } 7250 if (so->so_state & SS_ISDISCONNECTED) { 7251 SCTP_INP_RUNLOCK(inp); 7252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7253 return (ECONNABORTED); 7254 } 7255 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7256 if (stcb == NULL) { 7257 SCTP_INP_RUNLOCK(inp); 7258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7259 return (ECONNRESET); 7260 } 7261 SCTP_TCB_LOCK(stcb); 7262 SCTP_INP_RUNLOCK(inp); 7263 store = stcb->asoc.primary_destination->ro._l_addr; 7264 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7265 SCTP_TCB_UNLOCK(stcb); 7266 switch (store.sa.sa_family) { 7267 #ifdef INET 7268 case AF_INET: 7269 { 7270 struct sockaddr_in *sin; 7271 7272 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7273 if (sin == NULL) 7274 return (ENOMEM); 7275 sin->sin_family = AF_INET; 7276 sin->sin_len = sizeof(*sin); 7277 sin->sin_port = store.sin.sin_port; 7278 sin->sin_addr = store.sin.sin_addr; 7279 *addr = (struct sockaddr *)sin; 7280 break; 7281 } 7282 #endif 7283 #ifdef INET6 7284 case AF_INET6: 7285 { 7286 struct sockaddr_in6 *sin6; 7287 7288 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7289 if (sin6 == NULL) 7290 return (ENOMEM); 7291 sin6->sin6_family = AF_INET6; 7292 sin6->sin6_len = sizeof(*sin6); 7293 sin6->sin6_port = store.sin6.sin6_port; 7294 sin6->sin6_addr = store.sin6.sin6_addr; 7295 if ((error = sa6_recoverscope(sin6)) != 0) { 7296 SCTP_FREE_SONAME(sin6); 7297 return (error); 7298 } 7299 *addr = (struct sockaddr *)sin6; 7300 break; 7301 } 7302 #endif 7303 default: 7304 /* TSNH */ 7305 break; 7306 } 7307 /* Wake any delayed sleep action */ 7308 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7309 SCTP_INP_WLOCK(inp); 7310 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7311 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7312 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7313 SCTP_INP_WUNLOCK(inp); 7314 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7315 if (sowriteable(inp->sctp_socket)) { 7316 sowwakeup_locked(inp->sctp_socket); 7317 } else { 7318 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7319 } 7320 SCTP_INP_WLOCK(inp); 7321 } 7322 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7323 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7324 SCTP_INP_WUNLOCK(inp); 7325 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7326 if (soreadable(inp->sctp_socket)) { 7327 sctp_defered_wakeup_cnt++; 7328 sorwakeup_locked(inp->sctp_socket); 7329 } else { 7330 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7331 } 7332 SCTP_INP_WLOCK(inp); 7333 } 7334 SCTP_INP_WUNLOCK(inp); 7335 } 7336 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7337 SCTP_TCB_LOCK(stcb); 7338 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7339 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7340 } 7341 return (0); 7342 } 7343 7344 #ifdef INET 7345 int 7346 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7347 { 7348 struct sockaddr_in *sin; 7349 uint32_t vrf_id; 7350 struct sctp_inpcb *inp; 7351 struct sctp_ifa *sctp_ifa; 7352 7353 /* 7354 * Do the malloc first in case it blocks. 7355 */ 7356 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7357 if (sin == NULL) 7358 return (ENOMEM); 7359 sin->sin_family = AF_INET; 7360 sin->sin_len = sizeof(*sin); 7361 inp = (struct sctp_inpcb *)so->so_pcb; 7362 if (!inp) { 7363 SCTP_FREE_SONAME(sin); 7364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7365 return (ECONNRESET); 7366 } 7367 SCTP_INP_RLOCK(inp); 7368 sin->sin_port = inp->sctp_lport; 7369 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7370 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7371 struct sctp_tcb *stcb; 7372 struct sockaddr_in *sin_a; 7373 struct sctp_nets *net; 7374 int fnd; 7375 7376 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7377 if (stcb == NULL) { 7378 goto notConn; 7379 } 7380 fnd = 0; 7381 sin_a = NULL; 7382 SCTP_TCB_LOCK(stcb); 7383 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7384 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7385 if (sin_a == NULL) 7386 /* this will make coverity happy */ 7387 continue; 7388 7389 if (sin_a->sin_family == AF_INET) { 7390 fnd = 1; 7391 break; 7392 } 7393 } 7394 if ((!fnd) || (sin_a == NULL)) { 7395 /* punt */ 7396 SCTP_TCB_UNLOCK(stcb); 7397 goto notConn; 7398 } 7399 7400 vrf_id = inp->def_vrf_id; 7401 sctp_ifa = sctp_source_address_selection(inp, 7402 stcb, 7403 (sctp_route_t *)&net->ro, 7404 net, 0, vrf_id); 7405 if (sctp_ifa) { 7406 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7407 sctp_free_ifa(sctp_ifa); 7408 } 7409 SCTP_TCB_UNLOCK(stcb); 7410 } else { 7411 /* For the bound all case you get back 0 */ 7412 notConn: 7413 sin->sin_addr.s_addr = 0; 7414 } 7415 7416 } else { 7417 /* Take the first IPv4 address in the list */ 7418 struct sctp_laddr *laddr; 7419 int fnd = 0; 7420 7421 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7422 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7423 struct sockaddr_in *sin_a; 7424 7425 sin_a = &laddr->ifa->address.sin; 7426 sin->sin_addr = sin_a->sin_addr; 7427 fnd = 1; 7428 break; 7429 } 7430 } 7431 if (!fnd) { 7432 SCTP_FREE_SONAME(sin); 7433 SCTP_INP_RUNLOCK(inp); 7434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7435 return (ENOENT); 7436 } 7437 } 7438 SCTP_INP_RUNLOCK(inp); 7439 (*addr) = (struct sockaddr *)sin; 7440 return (0); 7441 } 7442 7443 int 7444 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7445 { 7446 struct sockaddr_in *sin; 7447 int fnd; 7448 struct sockaddr_in *sin_a; 7449 struct sctp_inpcb *inp; 7450 struct sctp_tcb *stcb; 7451 struct sctp_nets *net; 7452 7453 /* Do the malloc first in case it blocks. */ 7454 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7455 if (sin == NULL) 7456 return (ENOMEM); 7457 sin->sin_family = AF_INET; 7458 sin->sin_len = sizeof(*sin); 7459 7460 inp = (struct sctp_inpcb *)so->so_pcb; 7461 if ((inp == NULL) || 7462 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7463 /* UDP type and listeners will drop out here */ 7464 SCTP_FREE_SONAME(sin); 7465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7466 return (ENOTCONN); 7467 } 7468 SCTP_INP_RLOCK(inp); 7469 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7470 if (stcb) { 7471 SCTP_TCB_LOCK(stcb); 7472 } 7473 SCTP_INP_RUNLOCK(inp); 7474 if (stcb == NULL) { 7475 SCTP_FREE_SONAME(sin); 7476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7477 return (ECONNRESET); 7478 } 7479 fnd = 0; 7480 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7481 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7482 if (sin_a->sin_family == AF_INET) { 7483 fnd = 1; 7484 sin->sin_port = stcb->rport; 7485 sin->sin_addr = sin_a->sin_addr; 7486 break; 7487 } 7488 } 7489 SCTP_TCB_UNLOCK(stcb); 7490 if (!fnd) { 7491 /* No IPv4 address */ 7492 SCTP_FREE_SONAME(sin); 7493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7494 return (ENOENT); 7495 } 7496 (*addr) = (struct sockaddr *)sin; 7497 return (0); 7498 } 7499 7500 struct pr_usrreqs sctp_usrreqs = { 7501 .pru_abort = sctp_abort, 7502 .pru_accept = sctp_accept, 7503 .pru_attach = sctp_attach, 7504 .pru_bind = sctp_bind, 7505 .pru_connect = sctp_connect, 7506 .pru_control = in_control, 7507 .pru_close = sctp_close, 7508 .pru_detach = sctp_close, 7509 .pru_sopoll = sopoll_generic, 7510 .pru_flush = sctp_flush, 7511 .pru_disconnect = sctp_disconnect, 7512 .pru_listen = sctp_listen, 7513 .pru_peeraddr = sctp_peeraddr, 7514 .pru_send = sctp_sendm, 7515 .pru_shutdown = sctp_shutdown, 7516 .pru_sockaddr = sctp_ingetaddr, 7517 .pru_sosend = sctp_sosend, 7518 .pru_soreceive = sctp_soreceive 7519 }; 7520 #endif 7521