1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 57 58 59 extern const struct sctp_cc_functions sctp_cc_functions[]; 60 extern const struct sctp_ss_functions sctp_ss_functions[]; 61 62 void 63 sctp_init(void) 64 { 65 u_long sb_max_adj; 66 67 /* Initialize and modify the sysctled variables */ 68 sctp_init_sysctls(); 69 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 71 /* 72 * Allow a user to take no more than 1/2 the number of clusters or 73 * the SB_MAX whichever is smaller for the send window. 74 */ 75 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 76 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 77 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 78 /* 79 * Now for the recv window, should we take the same amount? or 80 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 81 * now I will just copy. 82 */ 83 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 84 SCTP_BASE_VAR(first_time) = 0; 85 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 86 sctp_pcb_init(); 87 #if defined(SCTP_PACKET_LOGGING) 88 SCTP_BASE_VAR(packet_log_writers) = 0; 89 SCTP_BASE_VAR(packet_log_end) = 0; 90 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 91 #endif 92 } 93 94 #ifdef VIMAGE 95 static void 96 sctp_finish(void *unused __unused) 97 { 98 sctp_pcb_finish(); 99 } 100 101 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 102 #endif 103 104 void 105 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 106 { 107 struct sctp_tmit_chunk *chk; 108 uint16_t overhead; 109 110 /* Adjust that too */ 111 stcb->asoc.smallest_mtu = nxtsz; 112 /* now off to subtract IP_DF flag if needed */ 113 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 114 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 115 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 120 } 121 } 122 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 123 if ((chk->send_size + overhead) > nxtsz) { 124 /* 125 * For this guy we also mark for immediate resend 126 * since we sent to big of chunk 127 */ 128 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 129 if (chk->sent < SCTP_DATAGRAM_RESEND) { 130 sctp_flight_size_decrease(chk); 131 sctp_total_flight_decrease(stcb, chk); 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 134 chk->rec.data.doing_fast_retransmit = 0; 135 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 136 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 137 chk->whoTo->flight_size, 138 chk->book_size, 139 (uint32_t)(uintptr_t)chk->whoTo, 140 chk->rec.data.tsn); 141 } 142 /* Clear any time so NO RTT is being done */ 143 chk->do_rtt = 0; 144 } 145 } 146 } 147 } 148 149 #ifdef INET 150 void 151 sctp_notify(struct sctp_inpcb *inp, 152 struct sctp_tcb *stcb, 153 struct sctp_nets *net, 154 uint8_t icmp_type, 155 uint8_t icmp_code, 156 uint16_t ip_len, 157 uint32_t next_mtu) 158 { 159 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 160 struct socket *so; 161 #endif 162 int timer_stopped; 163 164 if (icmp_type != ICMP_UNREACH) { 165 /* We only care about unreachable */ 166 SCTP_TCB_UNLOCK(stcb); 167 return; 168 } 169 if ((icmp_code == ICMP_UNREACH_NET) || 170 (icmp_code == ICMP_UNREACH_HOST) || 171 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 172 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 173 (icmp_code == ICMP_UNREACH_ISOLATED) || 174 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 175 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 176 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 177 /* Mark the net unreachable. */ 178 if (net->dest_state & SCTP_ADDR_REACHABLE) { 179 /* OK, that destination is NOT reachable. */ 180 net->dest_state &= ~SCTP_ADDR_REACHABLE; 181 net->dest_state &= ~SCTP_ADDR_PF; 182 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 183 stcb, 0, 184 (void *)net, SCTP_SO_NOT_LOCKED); 185 } 186 SCTP_TCB_UNLOCK(stcb); 187 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 188 (icmp_code == ICMP_UNREACH_PORT)) { 189 /* Treat it like an ABORT. */ 190 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 191 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 192 so = SCTP_INP_SO(inp); 193 atomic_add_int(&stcb->asoc.refcnt, 1); 194 SCTP_TCB_UNLOCK(stcb); 195 SCTP_SOCKET_LOCK(so, 1); 196 SCTP_TCB_LOCK(stcb); 197 atomic_subtract_int(&stcb->asoc.refcnt, 1); 198 #endif 199 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 200 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 201 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 202 SCTP_SOCKET_UNLOCK(so, 1); 203 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 204 #endif 205 /* no need to unlock here, since the TCB is gone */ 206 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 207 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 208 SCTP_TCB_UNLOCK(stcb); 209 return; 210 } 211 /* Find the next (smaller) MTU */ 212 if (next_mtu == 0) { 213 /* 214 * Old type router that does not tell us what the 215 * next MTU is. Rats we will have to guess (in a 216 * educated fashion of course). 217 */ 218 next_mtu = sctp_get_prev_mtu(ip_len); 219 } 220 /* Stop the PMTU timer. */ 221 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 222 timer_stopped = 1; 223 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 224 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 225 } else { 226 timer_stopped = 0; 227 } 228 /* Update the path MTU. */ 229 if (net->port) { 230 next_mtu -= sizeof(struct udphdr); 231 } 232 if (net->mtu > next_mtu) { 233 net->mtu = next_mtu; 234 if (net->port) { 235 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 236 } else { 237 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 238 } 239 } 240 /* Update the association MTU */ 241 if (stcb->asoc.smallest_mtu > next_mtu) { 242 sctp_pathmtu_adjustment(stcb, next_mtu); 243 } 244 /* Finally, start the PMTU timer if it was running before. */ 245 if (timer_stopped) { 246 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 247 } 248 SCTP_TCB_UNLOCK(stcb); 249 } else { 250 SCTP_TCB_UNLOCK(stcb); 251 } 252 } 253 254 void 255 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 256 { 257 struct ip *outer_ip; 258 struct ip *inner_ip; 259 struct sctphdr *sh; 260 struct icmp *icmp; 261 struct sctp_inpcb *inp; 262 struct sctp_tcb *stcb; 263 struct sctp_nets *net; 264 struct sctp_init_chunk *ch; 265 struct sockaddr_in src, dst; 266 267 if (sa->sa_family != AF_INET || 268 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 269 return; 270 } 271 if (PRC_IS_REDIRECT(cmd)) { 272 vip = NULL; 273 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 274 return; 275 } 276 if (vip != NULL) { 277 inner_ip = (struct ip *)vip; 278 icmp = (struct icmp *)((caddr_t)inner_ip - 279 (sizeof(struct icmp) - sizeof(struct ip))); 280 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 281 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 282 memset(&src, 0, sizeof(struct sockaddr_in)); 283 src.sin_family = AF_INET; 284 src.sin_len = sizeof(struct sockaddr_in); 285 src.sin_port = sh->src_port; 286 src.sin_addr = inner_ip->ip_src; 287 memset(&dst, 0, sizeof(struct sockaddr_in)); 288 dst.sin_family = AF_INET; 289 dst.sin_len = sizeof(struct sockaddr_in); 290 dst.sin_port = sh->dest_port; 291 dst.sin_addr = inner_ip->ip_dst; 292 /* 293 * 'dst' holds the dest of the packet that failed to be 294 * sent. 'src' holds our local endpoint address. Thus we 295 * reverse the dst and the src in the lookup. 296 */ 297 inp = NULL; 298 net = NULL; 299 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 300 (struct sockaddr *)&src, 301 &inp, &net, 1, 302 SCTP_DEFAULT_VRFID); 303 if ((stcb != NULL) && 304 (net != NULL) && 305 (inp != NULL)) { 306 /* Check the verification tag */ 307 if (ntohl(sh->v_tag) != 0) { 308 /* 309 * This must be the verification tag used 310 * for sending out packets. We don't 311 * consider packets reflecting the 312 * verification tag. 313 */ 314 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 315 SCTP_TCB_UNLOCK(stcb); 316 return; 317 } 318 } else { 319 if (ntohs(outer_ip->ip_len) >= 320 sizeof(struct ip) + 321 8 + (inner_ip->ip_hl << 2) + 20) { 322 /* 323 * In this case we can check if we 324 * got an INIT chunk and if the 325 * initiate tag matches. 326 */ 327 ch = (struct sctp_init_chunk *)(sh + 1); 328 if ((ch->ch.chunk_type != SCTP_INITIATION) || 329 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } else { 334 SCTP_TCB_UNLOCK(stcb); 335 return; 336 } 337 } 338 sctp_notify(inp, stcb, net, 339 icmp->icmp_type, 340 icmp->icmp_code, 341 ntohs(inner_ip->ip_len), 342 (uint32_t)ntohs(icmp->icmp_nextmtu)); 343 } else { 344 if ((stcb == NULL) && (inp != NULL)) { 345 /* reduce ref-count */ 346 SCTP_INP_WLOCK(inp); 347 SCTP_INP_DECR_REF(inp); 348 SCTP_INP_WUNLOCK(inp); 349 } 350 if (stcb) { 351 SCTP_TCB_UNLOCK(stcb); 352 } 353 } 354 } 355 return; 356 } 357 #endif 358 359 static int 360 sctp_getcred(SYSCTL_HANDLER_ARGS) 361 { 362 struct xucred xuc; 363 struct sockaddr_in addrs[2]; 364 struct sctp_inpcb *inp; 365 struct sctp_nets *net; 366 struct sctp_tcb *stcb; 367 int error; 368 uint32_t vrf_id; 369 370 /* FIX, for non-bsd is this right? */ 371 vrf_id = SCTP_DEFAULT_VRFID; 372 373 error = priv_check(req->td, PRIV_NETINET_GETCRED); 374 375 if (error) 376 return (error); 377 378 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 379 if (error) 380 return (error); 381 382 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 383 sintosa(&addrs[0]), 384 &inp, &net, 1, vrf_id); 385 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 386 if ((inp != NULL) && (stcb == NULL)) { 387 /* reduce ref-count */ 388 SCTP_INP_WLOCK(inp); 389 SCTP_INP_DECR_REF(inp); 390 goto cred_can_cont; 391 } 392 393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 394 error = ENOENT; 395 goto out; 396 } 397 SCTP_TCB_UNLOCK(stcb); 398 /* 399 * We use the write lock here, only since in the error leg we need 400 * it. If we used RLOCK, then we would have to 401 * wlock/decr/unlock/rlock. Which in theory could create a hole. 402 * Better to use higher wlock. 403 */ 404 SCTP_INP_WLOCK(inp); 405 cred_can_cont: 406 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 407 if (error) { 408 SCTP_INP_WUNLOCK(inp); 409 goto out; 410 } 411 cru2x(inp->sctp_socket->so_cred, &xuc); 412 SCTP_INP_WUNLOCK(inp); 413 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 414 out: 415 return (error); 416 } 417 418 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 419 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 420 421 422 #ifdef INET 423 static void 424 sctp_abort(struct socket *so) 425 { 426 struct sctp_inpcb *inp; 427 uint32_t flags; 428 429 inp = (struct sctp_inpcb *)so->so_pcb; 430 if (inp == NULL) { 431 return; 432 } 433 434 sctp_must_try_again: 435 flags = inp->sctp_flags; 436 #ifdef SCTP_LOG_CLOSING 437 sctp_log_closing(inp, NULL, 17); 438 #endif 439 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 440 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 441 #ifdef SCTP_LOG_CLOSING 442 sctp_log_closing(inp, NULL, 16); 443 #endif 444 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 445 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 446 SOCK_LOCK(so); 447 SCTP_SB_CLEAR(so->so_snd); 448 /* 449 * same for the rcv ones, they are only here for the 450 * accounting/select. 451 */ 452 SCTP_SB_CLEAR(so->so_rcv); 453 454 /* Now null out the reference, we are completely detached. */ 455 so->so_pcb = NULL; 456 SOCK_UNLOCK(so); 457 } else { 458 flags = inp->sctp_flags; 459 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 460 goto sctp_must_try_again; 461 } 462 } 463 return; 464 } 465 466 static int 467 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 468 { 469 struct sctp_inpcb *inp; 470 struct inpcb *ip_inp; 471 int error; 472 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 473 474 inp = (struct sctp_inpcb *)so->so_pcb; 475 if (inp != NULL) { 476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 477 return (EINVAL); 478 } 479 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 480 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 481 if (error) { 482 return (error); 483 } 484 } 485 error = sctp_inpcb_alloc(so, vrf_id); 486 if (error) { 487 return (error); 488 } 489 inp = (struct sctp_inpcb *)so->so_pcb; 490 SCTP_INP_WLOCK(inp); 491 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 492 ip_inp = &inp->ip_inp.inp; 493 ip_inp->inp_vflag |= INP_IPV4; 494 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 495 SCTP_INP_WUNLOCK(inp); 496 return (0); 497 } 498 499 static int 500 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 501 { 502 struct sctp_inpcb *inp; 503 504 inp = (struct sctp_inpcb *)so->so_pcb; 505 if (inp == NULL) { 506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 507 return (EINVAL); 508 } 509 if (addr != NULL) { 510 if ((addr->sa_family != AF_INET) || 511 (addr->sa_len != sizeof(struct sockaddr_in))) { 512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 513 return (EINVAL); 514 } 515 } 516 return (sctp_inpcb_bind(so, addr, NULL, p)); 517 } 518 519 #endif 520 void 521 sctp_close(struct socket *so) 522 { 523 struct sctp_inpcb *inp; 524 uint32_t flags; 525 526 inp = (struct sctp_inpcb *)so->so_pcb; 527 if (inp == NULL) 528 return; 529 530 /* 531 * Inform all the lower layer assoc that we are done. 532 */ 533 sctp_must_try_again: 534 flags = inp->sctp_flags; 535 #ifdef SCTP_LOG_CLOSING 536 sctp_log_closing(inp, NULL, 17); 537 #endif 538 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 539 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 540 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 541 (so->so_rcv.sb_cc > 0)) { 542 #ifdef SCTP_LOG_CLOSING 543 sctp_log_closing(inp, NULL, 13); 544 #endif 545 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 546 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 547 } else { 548 #ifdef SCTP_LOG_CLOSING 549 sctp_log_closing(inp, NULL, 14); 550 #endif 551 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 552 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 553 } 554 /* 555 * The socket is now detached, no matter what the state of 556 * the SCTP association. 557 */ 558 SOCK_LOCK(so); 559 SCTP_SB_CLEAR(so->so_snd); 560 /* 561 * same for the rcv ones, they are only here for the 562 * accounting/select. 563 */ 564 SCTP_SB_CLEAR(so->so_rcv); 565 566 /* Now null out the reference, we are completely detached. */ 567 so->so_pcb = NULL; 568 SOCK_UNLOCK(so); 569 } else { 570 flags = inp->sctp_flags; 571 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 572 goto sctp_must_try_again; 573 } 574 } 575 return; 576 } 577 578 579 int 580 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 581 struct mbuf *control, struct thread *p); 582 583 584 int 585 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 586 struct mbuf *control, struct thread *p) 587 { 588 struct sctp_inpcb *inp; 589 int error; 590 591 inp = (struct sctp_inpcb *)so->so_pcb; 592 if (inp == NULL) { 593 if (control) { 594 sctp_m_freem(control); 595 control = NULL; 596 } 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 598 sctp_m_freem(m); 599 return (EINVAL); 600 } 601 /* Got to have an to address if we are NOT a connected socket */ 602 if ((addr == NULL) && 603 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 604 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 605 goto connected_type; 606 } else if (addr == NULL) { 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 error = EDESTADDRREQ; 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 return (error); 615 } 616 #ifdef INET6 617 if (addr->sa_family != AF_INET) { 618 /* must be a v4 address! */ 619 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 620 sctp_m_freem(m); 621 if (control) { 622 sctp_m_freem(control); 623 control = NULL; 624 } 625 error = EDESTADDRREQ; 626 return (error); 627 } 628 #endif /* INET6 */ 629 connected_type: 630 /* now what about control */ 631 if (control) { 632 if (inp->control) { 633 SCTP_PRINTF("huh? control set?\n"); 634 sctp_m_freem(inp->control); 635 inp->control = NULL; 636 } 637 inp->control = control; 638 } 639 /* Place the data */ 640 if (inp->pkt) { 641 SCTP_BUF_NEXT(inp->pkt_last) = m; 642 inp->pkt_last = m; 643 } else { 644 inp->pkt_last = inp->pkt = m; 645 } 646 if ( 647 /* FreeBSD uses a flag passed */ 648 ((flags & PRUS_MORETOCOME) == 0) 649 ) { 650 /* 651 * note with the current version this code will only be used 652 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 653 * re-defining sosend to use the sctp_sosend. One can 654 * optionally switch back to this code (by changing back the 655 * definitions) but this is not advisable. This code is used 656 * by FreeBSD when sending a file with sendfile() though. 657 */ 658 int ret; 659 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 inp->pkt = NULL; 662 inp->control = NULL; 663 return (ret); 664 } else { 665 return (0); 666 } 667 } 668 669 int 670 sctp_disconnect(struct socket *so) 671 { 672 struct sctp_inpcb *inp; 673 674 inp = (struct sctp_inpcb *)so->so_pcb; 675 if (inp == NULL) { 676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 677 return (ENOTCONN); 678 } 679 SCTP_INP_RLOCK(inp); 680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 682 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 683 /* No connection */ 684 SCTP_INP_RUNLOCK(inp); 685 return (0); 686 } else { 687 struct sctp_association *asoc; 688 struct sctp_tcb *stcb; 689 690 stcb = LIST_FIRST(&inp->sctp_asoc_list); 691 if (stcb == NULL) { 692 SCTP_INP_RUNLOCK(inp); 693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 694 return (EINVAL); 695 } 696 SCTP_TCB_LOCK(stcb); 697 asoc = &stcb->asoc; 698 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 699 /* We are about to be freed, out of here */ 700 SCTP_TCB_UNLOCK(stcb); 701 SCTP_INP_RUNLOCK(inp); 702 return (0); 703 } 704 if (((so->so_options & SO_LINGER) && 705 (so->so_linger == 0)) || 706 (so->so_rcv.sb_cc > 0)) { 707 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 708 /* Left with Data unread */ 709 struct mbuf *op_err; 710 711 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 712 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 713 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 714 } 715 SCTP_INP_RUNLOCK(inp); 716 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 717 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 718 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 719 } 720 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 721 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 722 /* No unlock tcb assoc is gone */ 723 return (0); 724 } 725 if (TAILQ_EMPTY(&asoc->send_queue) && 726 TAILQ_EMPTY(&asoc->sent_queue) && 727 (asoc->stream_queue_cnt == 0)) { 728 /* there is nothing queued to send, so done */ 729 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 730 goto abort_anyway; 731 } 732 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 733 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 734 /* only send SHUTDOWN 1st time thru */ 735 struct sctp_nets *netp; 736 737 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 738 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 739 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 740 } 741 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 742 sctp_stop_timers_for_shutdown(stcb); 743 if (stcb->asoc.alternate) { 744 netp = stcb->asoc.alternate; 745 } else { 746 netp = stcb->asoc.primary_destination; 747 } 748 sctp_send_shutdown(stcb, netp); 749 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 750 stcb->sctp_ep, stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 752 stcb->sctp_ep, stcb, netp); 753 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 754 } 755 } else { 756 /* 757 * we still got (or just got) data to send, 758 * so set SHUTDOWN_PENDING 759 */ 760 /* 761 * XXX sockets draft says that SCTP_EOF 762 * should be sent with no data. currently, 763 * we will allow user data to be sent first 764 * and move to SHUTDOWN-PENDING 765 */ 766 struct sctp_nets *netp; 767 768 if (stcb->asoc.alternate) { 769 netp = stcb->asoc.alternate; 770 } else { 771 netp = stcb->asoc.primary_destination; 772 } 773 774 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 775 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 776 netp); 777 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 778 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 779 } 780 if (TAILQ_EMPTY(&asoc->send_queue) && 781 TAILQ_EMPTY(&asoc->sent_queue) && 782 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 783 struct mbuf *op_err; 784 785 abort_anyway: 786 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 787 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 788 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 789 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 790 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 791 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 792 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 793 } 794 SCTP_INP_RUNLOCK(inp); 795 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 796 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 797 return (0); 798 } else { 799 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 800 } 801 } 802 soisdisconnecting(so); 803 SCTP_TCB_UNLOCK(stcb); 804 SCTP_INP_RUNLOCK(inp); 805 return (0); 806 } 807 /* not reached */ 808 } else { 809 /* UDP model does not support this */ 810 SCTP_INP_RUNLOCK(inp); 811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 812 return (EOPNOTSUPP); 813 } 814 } 815 816 int 817 sctp_flush(struct socket *so, int how) 818 { 819 /* 820 * We will just clear out the values and let subsequent close clear 821 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 822 * they will not be able to read the data, the socket will block 823 * that from happening. 824 */ 825 struct sctp_inpcb *inp; 826 827 inp = (struct sctp_inpcb *)so->so_pcb; 828 if (inp == NULL) { 829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 830 return (EINVAL); 831 } 832 SCTP_INP_RLOCK(inp); 833 /* For the 1 to many model this does nothing */ 834 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 835 SCTP_INP_RUNLOCK(inp); 836 return (0); 837 } 838 SCTP_INP_RUNLOCK(inp); 839 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 840 /* 841 * First make sure the sb will be happy, we don't use these 842 * except maybe the count 843 */ 844 SCTP_INP_WLOCK(inp); 845 SCTP_INP_READ_LOCK(inp); 846 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 847 SCTP_INP_READ_UNLOCK(inp); 848 SCTP_INP_WUNLOCK(inp); 849 so->so_rcv.sb_cc = 0; 850 so->so_rcv.sb_mbcnt = 0; 851 so->so_rcv.sb_mb = NULL; 852 } 853 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 854 /* 855 * First make sure the sb will be happy, we don't use these 856 * except maybe the count 857 */ 858 so->so_snd.sb_cc = 0; 859 so->so_snd.sb_mbcnt = 0; 860 so->so_snd.sb_mb = NULL; 861 862 } 863 return (0); 864 } 865 866 int 867 sctp_shutdown(struct socket *so) 868 { 869 struct sctp_inpcb *inp; 870 871 inp = (struct sctp_inpcb *)so->so_pcb; 872 if (inp == NULL) { 873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 874 return (EINVAL); 875 } 876 SCTP_INP_RLOCK(inp); 877 /* For UDP model this is a invalid call */ 878 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 879 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 880 /* Restore the flags that the soshutdown took away. */ 881 SOCKBUF_LOCK(&so->so_rcv); 882 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 883 SOCKBUF_UNLOCK(&so->so_rcv); 884 /* This proc will wakeup for read and do nothing (I hope) */ 885 SCTP_INP_RUNLOCK(inp); 886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 887 return (EOPNOTSUPP); 888 } else { 889 /* 890 * Ok, if we reach here its the TCP model and it is either a 891 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 892 * against it. 893 */ 894 struct sctp_tcb *stcb; 895 struct sctp_association *asoc; 896 struct sctp_nets *netp; 897 898 if ((so->so_state & 899 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 900 SCTP_INP_RUNLOCK(inp); 901 return (ENOTCONN); 902 } 903 socantsendmore(so); 904 905 stcb = LIST_FIRST(&inp->sctp_asoc_list); 906 if (stcb == NULL) { 907 /* 908 * Ok, we hit the case that the shutdown call was 909 * made after an abort or something. Nothing to do 910 * now. 911 */ 912 SCTP_INP_RUNLOCK(inp); 913 return (0); 914 } 915 SCTP_TCB_LOCK(stcb); 916 asoc = &stcb->asoc; 917 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 918 SCTP_TCB_UNLOCK(stcb); 919 SCTP_INP_RUNLOCK(inp); 920 return (0); 921 } 922 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 923 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 924 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 925 /* 926 * If we are not in or before ESTABLISHED, there is 927 * no protocol action required. 928 */ 929 SCTP_TCB_UNLOCK(stcb); 930 SCTP_INP_RUNLOCK(inp); 931 return (0); 932 } 933 if (stcb->asoc.alternate) { 934 netp = stcb->asoc.alternate; 935 } else { 936 netp = stcb->asoc.primary_destination; 937 } 938 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 939 TAILQ_EMPTY(&asoc->send_queue) && 940 TAILQ_EMPTY(&asoc->sent_queue) && 941 (asoc->stream_queue_cnt == 0)) { 942 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 943 goto abort_anyway; 944 } 945 /* there is nothing queued to send, so I'm done... */ 946 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 947 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 948 sctp_stop_timers_for_shutdown(stcb); 949 sctp_send_shutdown(stcb, netp); 950 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 951 stcb->sctp_ep, stcb, netp); 952 } else { 953 /* 954 * We still got (or just got) data to send, so set 955 * SHUTDOWN_PENDING. 956 */ 957 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 958 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 959 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 960 } 961 if (TAILQ_EMPTY(&asoc->send_queue) && 962 TAILQ_EMPTY(&asoc->sent_queue) && 963 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 964 struct mbuf *op_err; 965 966 abort_anyway: 967 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 968 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 969 sctp_abort_an_association(stcb->sctp_ep, stcb, 970 op_err, SCTP_SO_LOCKED); 971 SCTP_INP_RUNLOCK(inp); 972 return (0); 973 } 974 } 975 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 976 /* 977 * XXX: Why do this in the case where we have still data 978 * queued? 979 */ 980 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 981 SCTP_TCB_UNLOCK(stcb); 982 SCTP_INP_RUNLOCK(inp); 983 return (0); 984 } 985 } 986 987 /* 988 * copies a "user" presentable address and removes embedded scope, etc. 989 * returns 0 on success, 1 on error 990 */ 991 static uint32_t 992 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 993 { 994 #ifdef INET6 995 struct sockaddr_in6 lsa6; 996 997 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 998 &lsa6); 999 #endif 1000 memcpy(ss, sa, sa->sa_len); 1001 return (0); 1002 } 1003 1004 1005 1006 /* 1007 * NOTE: assumes addr lock is held 1008 */ 1009 static size_t 1010 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1011 struct sctp_tcb *stcb, 1012 size_t limit, 1013 struct sockaddr_storage *sas, 1014 uint32_t vrf_id) 1015 { 1016 struct sctp_ifn *sctp_ifn; 1017 struct sctp_ifa *sctp_ifa; 1018 size_t actual; 1019 int loopback_scope; 1020 #if defined(INET) 1021 int ipv4_local_scope, ipv4_addr_legal; 1022 #endif 1023 #if defined(INET6) 1024 int local_scope, site_scope, ipv6_addr_legal; 1025 #endif 1026 struct sctp_vrf *vrf; 1027 1028 actual = 0; 1029 if (limit <= 0) 1030 return (actual); 1031 1032 if (stcb) { 1033 /* Turn on all the appropriate scope */ 1034 loopback_scope = stcb->asoc.scope.loopback_scope; 1035 #if defined(INET) 1036 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1037 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1038 #endif 1039 #if defined(INET6) 1040 local_scope = stcb->asoc.scope.local_scope; 1041 site_scope = stcb->asoc.scope.site_scope; 1042 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1043 #endif 1044 } else { 1045 /* Use generic values for endpoints. */ 1046 loopback_scope = 1; 1047 #if defined(INET) 1048 ipv4_local_scope = 1; 1049 #endif 1050 #if defined(INET6) 1051 local_scope = 1; 1052 site_scope = 1; 1053 #endif 1054 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1055 #if defined(INET6) 1056 ipv6_addr_legal = 1; 1057 #endif 1058 #if defined(INET) 1059 if (SCTP_IPV6_V6ONLY(inp)) { 1060 ipv4_addr_legal = 0; 1061 } else { 1062 ipv4_addr_legal = 1; 1063 } 1064 #endif 1065 } else { 1066 #if defined(INET6) 1067 ipv6_addr_legal = 0; 1068 #endif 1069 #if defined(INET) 1070 ipv4_addr_legal = 1; 1071 #endif 1072 } 1073 } 1074 vrf = sctp_find_vrf(vrf_id); 1075 if (vrf == NULL) { 1076 return (0); 1077 } 1078 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1079 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1080 if ((loopback_scope == 0) && 1081 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1082 /* Skip loopback if loopback_scope not set */ 1083 continue; 1084 } 1085 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1086 if (stcb) { 1087 /* 1088 * For the BOUND-ALL case, the list 1089 * associated with a TCB is Always 1090 * considered a reverse list.. i.e. 1091 * it lists addresses that are NOT 1092 * part of the association. If this 1093 * is one of those we must skip it. 1094 */ 1095 if (sctp_is_addr_restricted(stcb, 1096 sctp_ifa)) { 1097 continue; 1098 } 1099 } 1100 switch (sctp_ifa->address.sa.sa_family) { 1101 #ifdef INET 1102 case AF_INET: 1103 if (ipv4_addr_legal) { 1104 struct sockaddr_in *sin; 1105 1106 sin = &sctp_ifa->address.sin; 1107 if (sin->sin_addr.s_addr == 0) { 1108 /* 1109 * we skip 1110 * unspecifed 1111 * addresses 1112 */ 1113 continue; 1114 } 1115 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1116 &sin->sin_addr) != 0) { 1117 continue; 1118 } 1119 if ((ipv4_local_scope == 0) && 1120 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1121 continue; 1122 } 1123 #ifdef INET6 1124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1125 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1126 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1127 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1128 actual += sizeof(struct sockaddr_in6); 1129 } else { 1130 #endif 1131 memcpy(sas, sin, sizeof(*sin)); 1132 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1133 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1134 actual += sizeof(*sin); 1135 #ifdef INET6 1136 } 1137 #endif 1138 if (actual >= limit) { 1139 return (actual); 1140 } 1141 } else { 1142 continue; 1143 } 1144 break; 1145 #endif 1146 #ifdef INET6 1147 case AF_INET6: 1148 if (ipv6_addr_legal) { 1149 struct sockaddr_in6 *sin6; 1150 1151 sin6 = &sctp_ifa->address.sin6; 1152 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1153 /* 1154 * we skip 1155 * unspecifed 1156 * addresses 1157 */ 1158 continue; 1159 } 1160 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1161 &sin6->sin6_addr) != 0) { 1162 continue; 1163 } 1164 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1165 if (local_scope == 0) 1166 continue; 1167 if (sin6->sin6_scope_id == 0) { 1168 if (sa6_recoverscope(sin6) != 0) 1169 /* 1170 * 1171 * bad 1172 * link 1173 * 1174 * local 1175 * 1176 * address 1177 */ 1178 continue; 1179 } 1180 } 1181 if ((site_scope == 0) && 1182 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1183 continue; 1184 } 1185 memcpy(sas, sin6, sizeof(*sin6)); 1186 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1187 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1188 actual += sizeof(*sin6); 1189 if (actual >= limit) { 1190 return (actual); 1191 } 1192 } else { 1193 continue; 1194 } 1195 break; 1196 #endif 1197 default: 1198 /* TSNH */ 1199 break; 1200 } 1201 } 1202 } 1203 } else { 1204 struct sctp_laddr *laddr; 1205 1206 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1207 if (stcb) { 1208 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1209 continue; 1210 } 1211 } 1212 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1213 continue; 1214 switch (laddr->ifa->address.sa.sa_family) { 1215 #ifdef INET 1216 case AF_INET: 1217 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1218 break; 1219 #endif 1220 #ifdef INET6 1221 case AF_INET6: 1222 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1223 break; 1224 #endif 1225 default: 1226 /* TSNH */ 1227 break; 1228 } 1229 sas = (struct sockaddr_storage *)((caddr_t)sas + 1230 laddr->ifa->address.sa.sa_len); 1231 actual += laddr->ifa->address.sa.sa_len; 1232 if (actual >= limit) { 1233 return (actual); 1234 } 1235 } 1236 } 1237 return (actual); 1238 } 1239 1240 static size_t 1241 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1242 struct sctp_tcb *stcb, 1243 size_t limit, 1244 struct sockaddr_storage *sas) 1245 { 1246 size_t size = 0; 1247 1248 SCTP_IPI_ADDR_RLOCK(); 1249 /* fill up addresses for the endpoint's default vrf */ 1250 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1251 inp->def_vrf_id); 1252 SCTP_IPI_ADDR_RUNLOCK(); 1253 return (size); 1254 } 1255 1256 /* 1257 * NOTE: assumes addr lock is held 1258 */ 1259 static int 1260 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1261 { 1262 int cnt = 0; 1263 struct sctp_vrf *vrf = NULL; 1264 1265 /* 1266 * In both sub-set bound an bound_all cases we return the MAXIMUM 1267 * number of addresses that you COULD get. In reality the sub-set 1268 * bound may have an exclusion list for a given TCB OR in the 1269 * bound-all case a TCB may NOT include the loopback or other 1270 * addresses as well. 1271 */ 1272 vrf = sctp_find_vrf(vrf_id); 1273 if (vrf == NULL) { 1274 return (0); 1275 } 1276 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1277 struct sctp_ifn *sctp_ifn; 1278 struct sctp_ifa *sctp_ifa; 1279 1280 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1281 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1282 /* Count them if they are the right type */ 1283 switch (sctp_ifa->address.sa.sa_family) { 1284 #ifdef INET 1285 case AF_INET: 1286 #ifdef INET6 1287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1288 cnt += sizeof(struct sockaddr_in6); 1289 else 1290 cnt += sizeof(struct sockaddr_in); 1291 #else 1292 cnt += sizeof(struct sockaddr_in); 1293 #endif 1294 break; 1295 #endif 1296 #ifdef INET6 1297 case AF_INET6: 1298 cnt += sizeof(struct sockaddr_in6); 1299 break; 1300 #endif 1301 default: 1302 break; 1303 } 1304 } 1305 } 1306 } else { 1307 struct sctp_laddr *laddr; 1308 1309 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1310 switch (laddr->ifa->address.sa.sa_family) { 1311 #ifdef INET 1312 case AF_INET: 1313 #ifdef INET6 1314 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1315 cnt += sizeof(struct sockaddr_in6); 1316 else 1317 cnt += sizeof(struct sockaddr_in); 1318 #else 1319 cnt += sizeof(struct sockaddr_in); 1320 #endif 1321 break; 1322 #endif 1323 #ifdef INET6 1324 case AF_INET6: 1325 cnt += sizeof(struct sockaddr_in6); 1326 break; 1327 #endif 1328 default: 1329 break; 1330 } 1331 } 1332 } 1333 return (cnt); 1334 } 1335 1336 static int 1337 sctp_count_max_addresses(struct sctp_inpcb *inp) 1338 { 1339 int cnt = 0; 1340 1341 SCTP_IPI_ADDR_RLOCK(); 1342 /* count addresses for the endpoint's default VRF */ 1343 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1344 SCTP_IPI_ADDR_RUNLOCK(); 1345 return (cnt); 1346 } 1347 1348 static int 1349 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1350 size_t optsize, void *p, int delay) 1351 { 1352 int error = 0; 1353 int creat_lock_on = 0; 1354 struct sctp_tcb *stcb = NULL; 1355 struct sockaddr *sa; 1356 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1357 uint32_t vrf_id; 1358 int bad_addresses = 0; 1359 sctp_assoc_t *a_id; 1360 1361 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1362 1363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1364 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1365 /* We are already connected AND the TCP model */ 1366 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1367 return (EADDRINUSE); 1368 } 1369 1370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1371 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1372 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1373 return (EINVAL); 1374 } 1375 1376 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1377 SCTP_INP_RLOCK(inp); 1378 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1379 SCTP_INP_RUNLOCK(inp); 1380 } 1381 if (stcb) { 1382 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1383 return (EALREADY); 1384 } 1385 SCTP_INP_INCR_REF(inp); 1386 SCTP_ASOC_CREATE_LOCK(inp); 1387 creat_lock_on = 1; 1388 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1389 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1390 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1391 error = EFAULT; 1392 goto out_now; 1393 } 1394 totaddrp = (unsigned int *)optval; 1395 totaddr = *totaddrp; 1396 sa = (struct sockaddr *)(totaddrp + 1); 1397 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1398 if ((stcb != NULL) || bad_addresses) { 1399 /* Already have or am bring up an association */ 1400 SCTP_ASOC_CREATE_UNLOCK(inp); 1401 creat_lock_on = 0; 1402 if (stcb) 1403 SCTP_TCB_UNLOCK(stcb); 1404 if (bad_addresses == 0) { 1405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1406 error = EALREADY; 1407 } 1408 goto out_now; 1409 } 1410 #ifdef INET6 1411 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1412 (num_v6 > 0)) { 1413 error = EINVAL; 1414 goto out_now; 1415 } 1416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1417 (num_v4 > 0)) { 1418 struct in6pcb *inp6; 1419 1420 inp6 = (struct in6pcb *)inp; 1421 if (SCTP_IPV6_V6ONLY(inp6)) { 1422 /* 1423 * if IPV6_V6ONLY flag, ignore connections destined 1424 * to a v4 addr or v4-mapped addr 1425 */ 1426 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1427 error = EINVAL; 1428 goto out_now; 1429 } 1430 } 1431 #endif /* INET6 */ 1432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1433 SCTP_PCB_FLAGS_UNBOUND) { 1434 /* Bind a ephemeral port */ 1435 error = sctp_inpcb_bind(so, NULL, NULL, p); 1436 if (error) { 1437 goto out_now; 1438 } 1439 } 1440 1441 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1442 vrf_id = inp->def_vrf_id; 1443 1444 1445 /* We are GOOD to go */ 1446 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1447 inp->sctp_ep.pre_open_stream_count, 1448 inp->sctp_ep.port, 1449 (struct thread *)p 1450 ); 1451 if (stcb == NULL) { 1452 /* Gak! no memory */ 1453 goto out_now; 1454 } 1455 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1456 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1457 /* Set the connected flag so we can queue data */ 1458 soisconnecting(so); 1459 } 1460 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1461 /* move to second address */ 1462 switch (sa->sa_family) { 1463 #ifdef INET 1464 case AF_INET: 1465 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1466 break; 1467 #endif 1468 #ifdef INET6 1469 case AF_INET6: 1470 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1471 break; 1472 #endif 1473 default: 1474 break; 1475 } 1476 1477 error = 0; 1478 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1479 /* Fill in the return id */ 1480 if (error) { 1481 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1482 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1483 goto out_now; 1484 } 1485 a_id = (sctp_assoc_t *)optval; 1486 *a_id = sctp_get_associd(stcb); 1487 1488 /* initialize authentication parameters for the assoc */ 1489 sctp_initialize_auth_params(inp, stcb); 1490 1491 if (delay) { 1492 /* doing delayed connection */ 1493 stcb->asoc.delayed_connection = 1; 1494 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1495 } else { 1496 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1497 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1498 } 1499 SCTP_TCB_UNLOCK(stcb); 1500 out_now: 1501 if (creat_lock_on) { 1502 SCTP_ASOC_CREATE_UNLOCK(inp); 1503 } 1504 SCTP_INP_DECR_REF(inp); 1505 return (error); 1506 } 1507 1508 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1511 SCTP_INP_RLOCK(inp); \ 1512 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1513 if (stcb) { \ 1514 SCTP_TCB_LOCK(stcb); \ 1515 } \ 1516 SCTP_INP_RUNLOCK(inp); \ 1517 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1518 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1519 if (stcb == NULL) { \ 1520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1521 error = ENOENT; \ 1522 break; \ 1523 } \ 1524 } else { \ 1525 stcb = NULL; \ 1526 } \ 1527 } 1528 1529 1530 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1531 if (size < sizeof(type)) { \ 1532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1533 error = EINVAL; \ 1534 break; \ 1535 } else { \ 1536 destp = (type *)srcp; \ 1537 } \ 1538 } 1539 1540 static int 1541 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1542 void *p) 1543 { 1544 struct sctp_inpcb *inp = NULL; 1545 int error, val = 0; 1546 struct sctp_tcb *stcb = NULL; 1547 1548 if (optval == NULL) { 1549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1550 return (EINVAL); 1551 } 1552 1553 inp = (struct sctp_inpcb *)so->so_pcb; 1554 if (inp == NULL) { 1555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1556 return EINVAL; 1557 } 1558 error = 0; 1559 1560 switch (optname) { 1561 case SCTP_NODELAY: 1562 case SCTP_AUTOCLOSE: 1563 case SCTP_EXPLICIT_EOR: 1564 case SCTP_AUTO_ASCONF: 1565 case SCTP_DISABLE_FRAGMENTS: 1566 case SCTP_I_WANT_MAPPED_V4_ADDR: 1567 case SCTP_USE_EXT_RCVINFO: 1568 SCTP_INP_RLOCK(inp); 1569 switch (optname) { 1570 case SCTP_DISABLE_FRAGMENTS: 1571 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1572 break; 1573 case SCTP_I_WANT_MAPPED_V4_ADDR: 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1575 break; 1576 case SCTP_AUTO_ASCONF: 1577 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1578 /* only valid for bound all sockets */ 1579 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1580 } else { 1581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1582 error = EINVAL; 1583 goto flags_out; 1584 } 1585 break; 1586 case SCTP_EXPLICIT_EOR: 1587 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1588 break; 1589 case SCTP_NODELAY: 1590 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1591 break; 1592 case SCTP_USE_EXT_RCVINFO: 1593 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1594 break; 1595 case SCTP_AUTOCLOSE: 1596 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1597 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1598 else 1599 val = 0; 1600 break; 1601 1602 default: 1603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1604 error = ENOPROTOOPT; 1605 } /* end switch (sopt->sopt_name) */ 1606 if (*optsize < sizeof(val)) { 1607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1608 error = EINVAL; 1609 } 1610 flags_out: 1611 SCTP_INP_RUNLOCK(inp); 1612 if (error == 0) { 1613 /* return the option value */ 1614 *(int *)optval = val; 1615 *optsize = sizeof(val); 1616 } 1617 break; 1618 case SCTP_GET_PACKET_LOG: 1619 { 1620 #ifdef SCTP_PACKET_LOGGING 1621 uint8_t *target; 1622 int ret; 1623 1624 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1625 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1626 *optsize = ret; 1627 #else 1628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1629 error = EOPNOTSUPP; 1630 #endif 1631 break; 1632 } 1633 case SCTP_REUSE_PORT: 1634 { 1635 uint32_t *value; 1636 1637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1638 /* Can't do this for a 1-m socket */ 1639 error = EINVAL; 1640 break; 1641 } 1642 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1643 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1644 *optsize = sizeof(uint32_t); 1645 break; 1646 } 1647 case SCTP_PARTIAL_DELIVERY_POINT: 1648 { 1649 uint32_t *value; 1650 1651 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1652 *value = inp->partial_delivery_point; 1653 *optsize = sizeof(uint32_t); 1654 break; 1655 } 1656 case SCTP_FRAGMENT_INTERLEAVE: 1657 { 1658 uint32_t *value; 1659 1660 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1661 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1662 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1663 *value = SCTP_FRAG_LEVEL_2; 1664 } else { 1665 *value = SCTP_FRAG_LEVEL_1; 1666 } 1667 } else { 1668 *value = SCTP_FRAG_LEVEL_0; 1669 } 1670 *optsize = sizeof(uint32_t); 1671 break; 1672 } 1673 case SCTP_INTERLEAVING_SUPPORTED: 1674 { 1675 struct sctp_assoc_value *av; 1676 1677 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1678 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1679 1680 if (stcb) { 1681 av->assoc_value = stcb->asoc.idata_supported; 1682 SCTP_TCB_UNLOCK(stcb); 1683 } else { 1684 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1685 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1686 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1687 SCTP_INP_RLOCK(inp); 1688 if (inp->idata_supported) { 1689 av->assoc_value = 1; 1690 } else { 1691 av->assoc_value = 0; 1692 } 1693 SCTP_INP_RUNLOCK(inp); 1694 } else { 1695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1696 error = EINVAL; 1697 } 1698 } 1699 if (error == 0) { 1700 *optsize = sizeof(struct sctp_assoc_value); 1701 } 1702 break; 1703 } 1704 case SCTP_CMT_ON_OFF: 1705 { 1706 struct sctp_assoc_value *av; 1707 1708 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1709 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1710 if (stcb) { 1711 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1712 SCTP_TCB_UNLOCK(stcb); 1713 } else { 1714 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1715 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1716 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1717 SCTP_INP_RLOCK(inp); 1718 av->assoc_value = inp->sctp_cmt_on_off; 1719 SCTP_INP_RUNLOCK(inp); 1720 } else { 1721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1722 error = EINVAL; 1723 } 1724 } 1725 if (error == 0) { 1726 *optsize = sizeof(struct sctp_assoc_value); 1727 } 1728 break; 1729 } 1730 case SCTP_PLUGGABLE_CC: 1731 { 1732 struct sctp_assoc_value *av; 1733 1734 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1735 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1736 if (stcb) { 1737 av->assoc_value = stcb->asoc.congestion_control_module; 1738 SCTP_TCB_UNLOCK(stcb); 1739 } else { 1740 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1741 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1742 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1743 SCTP_INP_RLOCK(inp); 1744 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1745 SCTP_INP_RUNLOCK(inp); 1746 } else { 1747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1748 error = EINVAL; 1749 } 1750 } 1751 if (error == 0) { 1752 *optsize = sizeof(struct sctp_assoc_value); 1753 } 1754 break; 1755 } 1756 case SCTP_CC_OPTION: 1757 { 1758 struct sctp_cc_option *cc_opt; 1759 1760 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1761 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1762 if (stcb == NULL) { 1763 error = EINVAL; 1764 } else { 1765 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1766 error = ENOTSUP; 1767 } else { 1768 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1769 *optsize = sizeof(struct sctp_cc_option); 1770 } 1771 SCTP_TCB_UNLOCK(stcb); 1772 } 1773 break; 1774 } 1775 case SCTP_PLUGGABLE_SS: 1776 { 1777 struct sctp_assoc_value *av; 1778 1779 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1780 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1781 if (stcb) { 1782 av->assoc_value = stcb->asoc.stream_scheduling_module; 1783 SCTP_TCB_UNLOCK(stcb); 1784 } else { 1785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1787 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1788 SCTP_INP_RLOCK(inp); 1789 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1790 SCTP_INP_RUNLOCK(inp); 1791 } else { 1792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1793 error = EINVAL; 1794 } 1795 } 1796 if (error == 0) { 1797 *optsize = sizeof(struct sctp_assoc_value); 1798 } 1799 break; 1800 } 1801 case SCTP_SS_VALUE: 1802 { 1803 struct sctp_stream_value *av; 1804 1805 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1806 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1807 if (stcb) { 1808 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1809 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1810 &av->stream_value) < 0)) { 1811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1812 error = EINVAL; 1813 } else { 1814 *optsize = sizeof(struct sctp_stream_value); 1815 } 1816 SCTP_TCB_UNLOCK(stcb); 1817 } else { 1818 /* 1819 * Can't get stream value without 1820 * association 1821 */ 1822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1823 error = EINVAL; 1824 } 1825 break; 1826 } 1827 case SCTP_GET_ADDR_LEN: 1828 { 1829 struct sctp_assoc_value *av; 1830 1831 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1832 error = EINVAL; 1833 #ifdef INET 1834 if (av->assoc_value == AF_INET) { 1835 av->assoc_value = sizeof(struct sockaddr_in); 1836 error = 0; 1837 } 1838 #endif 1839 #ifdef INET6 1840 if (av->assoc_value == AF_INET6) { 1841 av->assoc_value = sizeof(struct sockaddr_in6); 1842 error = 0; 1843 } 1844 #endif 1845 if (error) { 1846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1847 } else { 1848 *optsize = sizeof(struct sctp_assoc_value); 1849 } 1850 break; 1851 } 1852 case SCTP_GET_ASSOC_NUMBER: 1853 { 1854 uint32_t *value, cnt; 1855 1856 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1857 SCTP_INP_RLOCK(inp); 1858 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1859 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1860 /* Can't do this for a 1-1 socket */ 1861 error = EINVAL; 1862 SCTP_INP_RUNLOCK(inp); 1863 break; 1864 } 1865 cnt = 0; 1866 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1867 cnt++; 1868 } 1869 SCTP_INP_RUNLOCK(inp); 1870 *value = cnt; 1871 *optsize = sizeof(uint32_t); 1872 break; 1873 } 1874 case SCTP_GET_ASSOC_ID_LIST: 1875 { 1876 struct sctp_assoc_ids *ids; 1877 uint32_t at; 1878 size_t limit; 1879 1880 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1881 SCTP_INP_RLOCK(inp); 1882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1883 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1884 /* Can't do this for a 1-1 socket */ 1885 error = EINVAL; 1886 SCTP_INP_RUNLOCK(inp); 1887 break; 1888 } 1889 at = 0; 1890 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1891 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1892 if (at < limit) { 1893 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1894 if (at == 0) { 1895 error = EINVAL; 1896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1897 break; 1898 } 1899 } else { 1900 error = EINVAL; 1901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1902 break; 1903 } 1904 } 1905 SCTP_INP_RUNLOCK(inp); 1906 if (error == 0) { 1907 ids->gaids_number_of_ids = at; 1908 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1909 } 1910 break; 1911 } 1912 case SCTP_CONTEXT: 1913 { 1914 struct sctp_assoc_value *av; 1915 1916 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1917 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1918 1919 if (stcb) { 1920 av->assoc_value = stcb->asoc.context; 1921 SCTP_TCB_UNLOCK(stcb); 1922 } else { 1923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1925 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1926 SCTP_INP_RLOCK(inp); 1927 av->assoc_value = inp->sctp_context; 1928 SCTP_INP_RUNLOCK(inp); 1929 } else { 1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1931 error = EINVAL; 1932 } 1933 } 1934 if (error == 0) { 1935 *optsize = sizeof(struct sctp_assoc_value); 1936 } 1937 break; 1938 } 1939 case SCTP_VRF_ID: 1940 { 1941 uint32_t *default_vrfid; 1942 1943 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1944 *default_vrfid = inp->def_vrf_id; 1945 *optsize = sizeof(uint32_t); 1946 break; 1947 } 1948 case SCTP_GET_ASOC_VRF: 1949 { 1950 struct sctp_assoc_value *id; 1951 1952 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1953 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1954 if (stcb == NULL) { 1955 error = EINVAL; 1956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1957 } else { 1958 id->assoc_value = stcb->asoc.vrf_id; 1959 SCTP_TCB_UNLOCK(stcb); 1960 *optsize = sizeof(struct sctp_assoc_value); 1961 } 1962 break; 1963 } 1964 case SCTP_GET_VRF_IDS: 1965 { 1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1967 error = EOPNOTSUPP; 1968 break; 1969 } 1970 case SCTP_GET_NONCE_VALUES: 1971 { 1972 struct sctp_get_nonce_values *gnv; 1973 1974 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1975 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1976 1977 if (stcb) { 1978 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1979 gnv->gn_local_tag = stcb->asoc.my_vtag; 1980 SCTP_TCB_UNLOCK(stcb); 1981 *optsize = sizeof(struct sctp_get_nonce_values); 1982 } else { 1983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1984 error = ENOTCONN; 1985 } 1986 break; 1987 } 1988 case SCTP_DELAYED_SACK: 1989 { 1990 struct sctp_sack_info *sack; 1991 1992 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1994 if (stcb) { 1995 sack->sack_delay = stcb->asoc.delayed_ack; 1996 sack->sack_freq = stcb->asoc.sack_freq; 1997 SCTP_TCB_UNLOCK(stcb); 1998 } else { 1999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2000 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2001 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2002 SCTP_INP_RLOCK(inp); 2003 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2004 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2005 SCTP_INP_RUNLOCK(inp); 2006 } else { 2007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2008 error = EINVAL; 2009 } 2010 } 2011 if (error == 0) { 2012 *optsize = sizeof(struct sctp_sack_info); 2013 } 2014 break; 2015 } 2016 case SCTP_GET_SNDBUF_USE: 2017 { 2018 struct sctp_sockstat *ss; 2019 2020 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2021 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2022 2023 if (stcb) { 2024 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2025 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2026 stcb->asoc.size_on_all_streams); 2027 SCTP_TCB_UNLOCK(stcb); 2028 *optsize = sizeof(struct sctp_sockstat); 2029 } else { 2030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2031 error = ENOTCONN; 2032 } 2033 break; 2034 } 2035 case SCTP_MAX_BURST: 2036 { 2037 struct sctp_assoc_value *av; 2038 2039 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2040 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2041 2042 if (stcb) { 2043 av->assoc_value = stcb->asoc.max_burst; 2044 SCTP_TCB_UNLOCK(stcb); 2045 } else { 2046 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2047 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2048 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2049 SCTP_INP_RLOCK(inp); 2050 av->assoc_value = inp->sctp_ep.max_burst; 2051 SCTP_INP_RUNLOCK(inp); 2052 } else { 2053 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2054 error = EINVAL; 2055 } 2056 } 2057 if (error == 0) { 2058 *optsize = sizeof(struct sctp_assoc_value); 2059 } 2060 break; 2061 } 2062 case SCTP_MAXSEG: 2063 { 2064 struct sctp_assoc_value *av; 2065 int ovh; 2066 2067 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2068 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2069 2070 if (stcb) { 2071 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2072 SCTP_TCB_UNLOCK(stcb); 2073 } else { 2074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2075 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2076 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2077 SCTP_INP_RLOCK(inp); 2078 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2079 ovh = SCTP_MED_OVERHEAD; 2080 } else { 2081 ovh = SCTP_MED_V4_OVERHEAD; 2082 } 2083 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2084 av->assoc_value = 0; 2085 else 2086 av->assoc_value = inp->sctp_frag_point - ovh; 2087 SCTP_INP_RUNLOCK(inp); 2088 } else { 2089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2090 error = EINVAL; 2091 } 2092 } 2093 if (error == 0) { 2094 *optsize = sizeof(struct sctp_assoc_value); 2095 } 2096 break; 2097 } 2098 case SCTP_GET_STAT_LOG: 2099 error = sctp_fill_stat_log(optval, optsize); 2100 break; 2101 case SCTP_EVENTS: 2102 { 2103 struct sctp_event_subscribe *events; 2104 2105 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2106 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2107 SCTP_INP_RLOCK(inp); 2108 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2109 events->sctp_data_io_event = 1; 2110 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2112 events->sctp_association_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2115 events->sctp_address_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2118 events->sctp_send_failure_event = 1; 2119 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2121 events->sctp_peer_error_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2124 events->sctp_shutdown_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2127 events->sctp_partial_delivery_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2130 events->sctp_adaptation_layer_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2133 events->sctp_authentication_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2136 events->sctp_sender_dry_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2139 events->sctp_stream_reset_event = 1; 2140 SCTP_INP_RUNLOCK(inp); 2141 *optsize = sizeof(struct sctp_event_subscribe); 2142 break; 2143 } 2144 case SCTP_ADAPTATION_LAYER: 2145 { 2146 uint32_t *value; 2147 2148 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2149 2150 SCTP_INP_RLOCK(inp); 2151 *value = inp->sctp_ep.adaptation_layer_indicator; 2152 SCTP_INP_RUNLOCK(inp); 2153 *optsize = sizeof(uint32_t); 2154 break; 2155 } 2156 case SCTP_SET_INITIAL_DBG_SEQ: 2157 { 2158 uint32_t *value; 2159 2160 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2161 SCTP_INP_RLOCK(inp); 2162 *value = inp->sctp_ep.initial_sequence_debug; 2163 SCTP_INP_RUNLOCK(inp); 2164 *optsize = sizeof(uint32_t); 2165 break; 2166 } 2167 case SCTP_GET_LOCAL_ADDR_SIZE: 2168 { 2169 uint32_t *value; 2170 2171 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2172 SCTP_INP_RLOCK(inp); 2173 *value = sctp_count_max_addresses(inp); 2174 SCTP_INP_RUNLOCK(inp); 2175 *optsize = sizeof(uint32_t); 2176 break; 2177 } 2178 case SCTP_GET_REMOTE_ADDR_SIZE: 2179 { 2180 uint32_t *value; 2181 size_t size; 2182 struct sctp_nets *net; 2183 2184 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2185 /* FIXME MT: change to sctp_assoc_value? */ 2186 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2187 2188 if (stcb) { 2189 size = 0; 2190 /* Count the sizes */ 2191 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2192 switch (net->ro._l_addr.sa.sa_family) { 2193 #ifdef INET 2194 case AF_INET: 2195 #ifdef INET6 2196 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2197 size += sizeof(struct sockaddr_in6); 2198 } else { 2199 size += sizeof(struct sockaddr_in); 2200 } 2201 #else 2202 size += sizeof(struct sockaddr_in); 2203 #endif 2204 break; 2205 #endif 2206 #ifdef INET6 2207 case AF_INET6: 2208 size += sizeof(struct sockaddr_in6); 2209 break; 2210 #endif 2211 default: 2212 break; 2213 } 2214 } 2215 SCTP_TCB_UNLOCK(stcb); 2216 *value = (uint32_t)size; 2217 *optsize = sizeof(uint32_t); 2218 } else { 2219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2220 error = ENOTCONN; 2221 } 2222 break; 2223 } 2224 case SCTP_GET_PEER_ADDRESSES: 2225 /* 2226 * Get the address information, an array is passed in to 2227 * fill up we pack it. 2228 */ 2229 { 2230 size_t cpsz, left; 2231 struct sockaddr_storage *sas; 2232 struct sctp_nets *net; 2233 struct sctp_getaddresses *saddr; 2234 2235 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2236 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2237 2238 if (stcb) { 2239 left = (*optsize) - sizeof(struct sctp_getaddresses); 2240 *optsize = sizeof(struct sctp_getaddresses); 2241 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2242 2243 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2244 switch (net->ro._l_addr.sa.sa_family) { 2245 #ifdef INET 2246 case AF_INET: 2247 #ifdef INET6 2248 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2249 cpsz = sizeof(struct sockaddr_in6); 2250 } else { 2251 cpsz = sizeof(struct sockaddr_in); 2252 } 2253 #else 2254 cpsz = sizeof(struct sockaddr_in); 2255 #endif 2256 break; 2257 #endif 2258 #ifdef INET6 2259 case AF_INET6: 2260 cpsz = sizeof(struct sockaddr_in6); 2261 break; 2262 #endif 2263 default: 2264 cpsz = 0; 2265 break; 2266 } 2267 if (cpsz == 0) { 2268 break; 2269 } 2270 if (left < cpsz) { 2271 /* not enough room. */ 2272 break; 2273 } 2274 #if defined(INET) && defined(INET6) 2275 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2276 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2277 /* Must map the address */ 2278 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2279 (struct sockaddr_in6 *)sas); 2280 } else { 2281 memcpy(sas, &net->ro._l_addr, cpsz); 2282 } 2283 #else 2284 memcpy(sas, &net->ro._l_addr, cpsz); 2285 #endif 2286 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2287 2288 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2289 left -= cpsz; 2290 *optsize += cpsz; 2291 } 2292 SCTP_TCB_UNLOCK(stcb); 2293 } else { 2294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2295 error = ENOENT; 2296 } 2297 break; 2298 } 2299 case SCTP_GET_LOCAL_ADDRESSES: 2300 { 2301 size_t limit, actual; 2302 struct sockaddr_storage *sas; 2303 struct sctp_getaddresses *saddr; 2304 2305 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2306 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2307 2308 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2309 limit = *optsize - sizeof(sctp_assoc_t); 2310 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2311 if (stcb) { 2312 SCTP_TCB_UNLOCK(stcb); 2313 } 2314 *optsize = sizeof(struct sockaddr_storage) + actual; 2315 break; 2316 } 2317 case SCTP_PEER_ADDR_PARAMS: 2318 { 2319 struct sctp_paddrparams *paddrp; 2320 struct sctp_nets *net; 2321 struct sockaddr *addr; 2322 #if defined(INET) && defined(INET6) 2323 struct sockaddr_in sin_store; 2324 #endif 2325 2326 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2327 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2328 2329 #if defined(INET) && defined(INET6) 2330 if (paddrp->spp_address.ss_family == AF_INET6) { 2331 struct sockaddr_in6 *sin6; 2332 2333 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2334 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2335 in6_sin6_2_sin(&sin_store, sin6); 2336 addr = (struct sockaddr *)&sin_store; 2337 } else { 2338 addr = (struct sockaddr *)&paddrp->spp_address; 2339 } 2340 } else { 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 } 2343 #else 2344 addr = (struct sockaddr *)&paddrp->spp_address; 2345 #endif 2346 if (stcb != NULL) { 2347 net = sctp_findnet(stcb, addr); 2348 } else { 2349 /* 2350 * We increment here since 2351 * sctp_findassociation_ep_addr() wil do a 2352 * decrement if it finds the stcb as long as 2353 * the locked tcb (last argument) is NOT a 2354 * TCB.. aka NULL. 2355 */ 2356 net = NULL; 2357 SCTP_INP_INCR_REF(inp); 2358 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2359 if (stcb == NULL) { 2360 SCTP_INP_DECR_REF(inp); 2361 } 2362 } 2363 if ((stcb != NULL) && (net == NULL)) { 2364 #ifdef INET 2365 if (addr->sa_family == AF_INET) { 2366 struct sockaddr_in *sin; 2367 2368 sin = (struct sockaddr_in *)addr; 2369 if (sin->sin_addr.s_addr != INADDR_ANY) { 2370 error = EINVAL; 2371 SCTP_TCB_UNLOCK(stcb); 2372 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2373 break; 2374 } 2375 } else 2376 #endif 2377 #ifdef INET6 2378 if (addr->sa_family == AF_INET6) { 2379 struct sockaddr_in6 *sin6; 2380 2381 sin6 = (struct sockaddr_in6 *)addr; 2382 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2383 error = EINVAL; 2384 SCTP_TCB_UNLOCK(stcb); 2385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2386 break; 2387 } 2388 } else 2389 #endif 2390 { 2391 error = EAFNOSUPPORT; 2392 SCTP_TCB_UNLOCK(stcb); 2393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2394 break; 2395 } 2396 } 2397 2398 if (stcb != NULL) { 2399 /* Applies to the specific association */ 2400 paddrp->spp_flags = 0; 2401 if (net != NULL) { 2402 paddrp->spp_hbinterval = net->heart_beat_delay; 2403 paddrp->spp_pathmaxrxt = net->failure_threshold; 2404 paddrp->spp_pathmtu = net->mtu; 2405 switch (net->ro._l_addr.sa.sa_family) { 2406 #ifdef INET 2407 case AF_INET: 2408 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2409 break; 2410 #endif 2411 #ifdef INET6 2412 case AF_INET6: 2413 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2414 break; 2415 #endif 2416 default: 2417 break; 2418 } 2419 /* get flags for HB */ 2420 if (net->dest_state & SCTP_ADDR_NOHB) { 2421 paddrp->spp_flags |= SPP_HB_DISABLE; 2422 } else { 2423 paddrp->spp_flags |= SPP_HB_ENABLE; 2424 } 2425 /* get flags for PMTU */ 2426 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2427 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2428 } else { 2429 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2430 } 2431 if (net->dscp & 0x01) { 2432 paddrp->spp_dscp = net->dscp & 0xfc; 2433 paddrp->spp_flags |= SPP_DSCP; 2434 } 2435 #ifdef INET6 2436 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2437 (net->flowlabel & 0x80000000)) { 2438 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2439 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2440 } 2441 #endif 2442 } else { 2443 /* 2444 * No destination so return default 2445 * value 2446 */ 2447 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2448 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2449 if (stcb->asoc.default_dscp & 0x01) { 2450 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2451 paddrp->spp_flags |= SPP_DSCP; 2452 } 2453 #ifdef INET6 2454 if (stcb->asoc.default_flowlabel & 0x80000000) { 2455 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2456 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2457 } 2458 #endif 2459 /* default settings should be these */ 2460 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2461 paddrp->spp_flags |= SPP_HB_DISABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_HB_ENABLE; 2464 } 2465 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2466 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2467 } else { 2468 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2469 } 2470 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2471 } 2472 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2473 SCTP_TCB_UNLOCK(stcb); 2474 } else { 2475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2476 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2477 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2478 /* Use endpoint defaults */ 2479 SCTP_INP_RLOCK(inp); 2480 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2481 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2482 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2483 /* get inp's default */ 2484 if (inp->sctp_ep.default_dscp & 0x01) { 2485 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2486 paddrp->spp_flags |= SPP_DSCP; 2487 } 2488 #ifdef INET6 2489 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2490 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2491 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2492 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2493 } 2494 #endif 2495 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2496 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2498 paddrp->spp_flags |= SPP_HB_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_HB_DISABLE; 2501 } 2502 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2503 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2504 } else { 2505 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2506 } 2507 SCTP_INP_RUNLOCK(inp); 2508 } else { 2509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2510 error = EINVAL; 2511 } 2512 } 2513 if (error == 0) { 2514 *optsize = sizeof(struct sctp_paddrparams); 2515 } 2516 break; 2517 } 2518 case SCTP_GET_PEER_ADDR_INFO: 2519 { 2520 struct sctp_paddrinfo *paddri; 2521 struct sctp_nets *net; 2522 struct sockaddr *addr; 2523 #if defined(INET) && defined(INET6) 2524 struct sockaddr_in sin_store; 2525 #endif 2526 2527 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2528 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2529 2530 #if defined(INET) && defined(INET6) 2531 if (paddri->spinfo_address.ss_family == AF_INET6) { 2532 struct sockaddr_in6 *sin6; 2533 2534 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2535 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2536 in6_sin6_2_sin(&sin_store, sin6); 2537 addr = (struct sockaddr *)&sin_store; 2538 } else { 2539 addr = (struct sockaddr *)&paddri->spinfo_address; 2540 } 2541 } else { 2542 addr = (struct sockaddr *)&paddri->spinfo_address; 2543 } 2544 #else 2545 addr = (struct sockaddr *)&paddri->spinfo_address; 2546 #endif 2547 if (stcb != NULL) { 2548 net = sctp_findnet(stcb, addr); 2549 } else { 2550 /* 2551 * We increment here since 2552 * sctp_findassociation_ep_addr() wil do a 2553 * decrement if it finds the stcb as long as 2554 * the locked tcb (last argument) is NOT a 2555 * TCB.. aka NULL. 2556 */ 2557 net = NULL; 2558 SCTP_INP_INCR_REF(inp); 2559 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2560 if (stcb == NULL) { 2561 SCTP_INP_DECR_REF(inp); 2562 } 2563 } 2564 2565 if ((stcb != NULL) && (net != NULL)) { 2566 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2567 /* It's unconfirmed */ 2568 paddri->spinfo_state = SCTP_UNCONFIRMED; 2569 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2570 /* It's active */ 2571 paddri->spinfo_state = SCTP_ACTIVE; 2572 } else { 2573 /* It's inactive */ 2574 paddri->spinfo_state = SCTP_INACTIVE; 2575 } 2576 paddri->spinfo_cwnd = net->cwnd; 2577 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2578 paddri->spinfo_rto = net->RTO; 2579 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2580 paddri->spinfo_mtu = net->mtu; 2581 switch (addr->sa_family) { 2582 #if defined(INET) 2583 case AF_INET: 2584 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2585 break; 2586 #endif 2587 #if defined(INET6) 2588 case AF_INET6: 2589 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2590 break; 2591 #endif 2592 default: 2593 break; 2594 } 2595 SCTP_TCB_UNLOCK(stcb); 2596 *optsize = sizeof(struct sctp_paddrinfo); 2597 } else { 2598 if (stcb != NULL) { 2599 SCTP_TCB_UNLOCK(stcb); 2600 } 2601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2602 error = ENOENT; 2603 } 2604 break; 2605 } 2606 case SCTP_PCB_STATUS: 2607 { 2608 struct sctp_pcbinfo *spcb; 2609 2610 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2611 sctp_fill_pcbinfo(spcb); 2612 *optsize = sizeof(struct sctp_pcbinfo); 2613 break; 2614 } 2615 case SCTP_STATUS: 2616 { 2617 struct sctp_nets *net; 2618 struct sctp_status *sstat; 2619 2620 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2621 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2622 2623 if (stcb == NULL) { 2624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2625 error = EINVAL; 2626 break; 2627 } 2628 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2629 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2630 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2631 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2632 /* 2633 * We can't include chunks that have been passed to 2634 * the socket layer. Only things in queue. 2635 */ 2636 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2637 stcb->asoc.cnt_on_all_streams); 2638 2639 2640 sstat->sstat_instrms = stcb->asoc.streamincnt; 2641 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2642 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2643 memcpy(&sstat->sstat_primary.spinfo_address, 2644 &stcb->asoc.primary_destination->ro._l_addr, 2645 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2646 net = stcb->asoc.primary_destination; 2647 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2648 /* 2649 * Again the user can get info from sctp_constants.h 2650 * for what the state of the network is. 2651 */ 2652 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2653 /* It's unconfirmed */ 2654 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2655 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2656 /* It's active */ 2657 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2658 } else { 2659 /* It's inactive */ 2660 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2661 } 2662 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2663 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2664 sstat->sstat_primary.spinfo_rto = net->RTO; 2665 sstat->sstat_primary.spinfo_mtu = net->mtu; 2666 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2667 #if defined(INET) 2668 case AF_INET: 2669 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2670 break; 2671 #endif 2672 #if defined(INET6) 2673 case AF_INET6: 2674 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2675 break; 2676 #endif 2677 default: 2678 break; 2679 } 2680 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2681 SCTP_TCB_UNLOCK(stcb); 2682 *optsize = sizeof(struct sctp_status); 2683 break; 2684 } 2685 case SCTP_RTOINFO: 2686 { 2687 struct sctp_rtoinfo *srto; 2688 2689 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2690 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2691 2692 if (stcb) { 2693 srto->srto_initial = stcb->asoc.initial_rto; 2694 srto->srto_max = stcb->asoc.maxrto; 2695 srto->srto_min = stcb->asoc.minrto; 2696 SCTP_TCB_UNLOCK(stcb); 2697 } else { 2698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2700 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2701 SCTP_INP_RLOCK(inp); 2702 srto->srto_initial = inp->sctp_ep.initial_rto; 2703 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2704 srto->srto_min = inp->sctp_ep.sctp_minrto; 2705 SCTP_INP_RUNLOCK(inp); 2706 } else { 2707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2708 error = EINVAL; 2709 } 2710 } 2711 if (error == 0) { 2712 *optsize = sizeof(struct sctp_rtoinfo); 2713 } 2714 break; 2715 } 2716 case SCTP_TIMEOUTS: 2717 { 2718 struct sctp_timeouts *stimo; 2719 2720 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2721 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2722 2723 if (stcb) { 2724 stimo->stimo_init = stcb->asoc.timoinit; 2725 stimo->stimo_data = stcb->asoc.timodata; 2726 stimo->stimo_sack = stcb->asoc.timosack; 2727 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2728 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2729 stimo->stimo_cookie = stcb->asoc.timocookie; 2730 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2731 SCTP_TCB_UNLOCK(stcb); 2732 *optsize = sizeof(struct sctp_timeouts); 2733 } else { 2734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2735 error = EINVAL; 2736 } 2737 break; 2738 } 2739 case SCTP_ASSOCINFO: 2740 { 2741 struct sctp_assocparams *sasoc; 2742 2743 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2744 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2745 2746 if (stcb) { 2747 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2748 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2749 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2750 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2751 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2752 SCTP_TCB_UNLOCK(stcb); 2753 } else { 2754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2755 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2756 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2757 SCTP_INP_RLOCK(inp); 2758 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2759 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2760 sasoc->sasoc_number_peer_destinations = 0; 2761 sasoc->sasoc_peer_rwnd = 0; 2762 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2763 SCTP_INP_RUNLOCK(inp); 2764 } else { 2765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2766 error = EINVAL; 2767 } 2768 } 2769 if (error == 0) { 2770 *optsize = sizeof(struct sctp_assocparams); 2771 } 2772 break; 2773 } 2774 case SCTP_DEFAULT_SEND_PARAM: 2775 { 2776 struct sctp_sndrcvinfo *s_info; 2777 2778 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2779 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2780 2781 if (stcb) { 2782 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2783 SCTP_TCB_UNLOCK(stcb); 2784 } else { 2785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2787 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2788 SCTP_INP_RLOCK(inp); 2789 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2790 SCTP_INP_RUNLOCK(inp); 2791 } else { 2792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2793 error = EINVAL; 2794 } 2795 } 2796 if (error == 0) { 2797 *optsize = sizeof(struct sctp_sndrcvinfo); 2798 } 2799 break; 2800 } 2801 case SCTP_INITMSG: 2802 { 2803 struct sctp_initmsg *sinit; 2804 2805 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2806 SCTP_INP_RLOCK(inp); 2807 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2808 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2809 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2810 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2811 SCTP_INP_RUNLOCK(inp); 2812 *optsize = sizeof(struct sctp_initmsg); 2813 break; 2814 } 2815 case SCTP_PRIMARY_ADDR: 2816 /* we allow a "get" operation on this */ 2817 { 2818 struct sctp_setprim *ssp; 2819 2820 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2821 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2822 2823 if (stcb) { 2824 union sctp_sockstore *addr; 2825 2826 addr = &stcb->asoc.primary_destination->ro._l_addr; 2827 switch (addr->sa.sa_family) { 2828 #ifdef INET 2829 case AF_INET: 2830 #ifdef INET6 2831 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2832 in6_sin_2_v4mapsin6(&addr->sin, 2833 (struct sockaddr_in6 *)&ssp->ssp_addr); 2834 } else { 2835 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2836 } 2837 #else 2838 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2839 #endif 2840 break; 2841 #endif 2842 #ifdef INET6 2843 case AF_INET6: 2844 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2845 break; 2846 #endif 2847 default: 2848 break; 2849 } 2850 SCTP_TCB_UNLOCK(stcb); 2851 *optsize = sizeof(struct sctp_setprim); 2852 } else { 2853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2854 error = EINVAL; 2855 } 2856 break; 2857 } 2858 case SCTP_HMAC_IDENT: 2859 { 2860 struct sctp_hmacalgo *shmac; 2861 sctp_hmaclist_t *hmaclist; 2862 uint32_t size; 2863 int i; 2864 2865 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2866 2867 SCTP_INP_RLOCK(inp); 2868 hmaclist = inp->sctp_ep.local_hmacs; 2869 if (hmaclist == NULL) { 2870 /* no HMACs to return */ 2871 *optsize = sizeof(*shmac); 2872 SCTP_INP_RUNLOCK(inp); 2873 break; 2874 } 2875 /* is there room for all of the hmac ids? */ 2876 size = sizeof(*shmac) + (hmaclist->num_algo * 2877 sizeof(shmac->shmac_idents[0])); 2878 if ((size_t)(*optsize) < size) { 2879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2880 error = EINVAL; 2881 SCTP_INP_RUNLOCK(inp); 2882 break; 2883 } 2884 /* copy in the list */ 2885 shmac->shmac_number_of_idents = hmaclist->num_algo; 2886 for (i = 0; i < hmaclist->num_algo; i++) { 2887 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2888 } 2889 SCTP_INP_RUNLOCK(inp); 2890 *optsize = size; 2891 break; 2892 } 2893 case SCTP_AUTH_ACTIVE_KEY: 2894 { 2895 struct sctp_authkeyid *scact; 2896 2897 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2898 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2899 2900 if (stcb) { 2901 /* get the active key on the assoc */ 2902 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2903 SCTP_TCB_UNLOCK(stcb); 2904 } else { 2905 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2906 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2907 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2908 /* get the endpoint active key */ 2909 SCTP_INP_RLOCK(inp); 2910 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2911 SCTP_INP_RUNLOCK(inp); 2912 } else { 2913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2914 error = EINVAL; 2915 } 2916 } 2917 if (error == 0) { 2918 *optsize = sizeof(struct sctp_authkeyid); 2919 } 2920 break; 2921 } 2922 case SCTP_LOCAL_AUTH_CHUNKS: 2923 { 2924 struct sctp_authchunks *sac; 2925 sctp_auth_chklist_t *chklist = NULL; 2926 size_t size = 0; 2927 2928 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2929 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2930 2931 if (stcb) { 2932 /* get off the assoc */ 2933 chklist = stcb->asoc.local_auth_chunks; 2934 /* is there enough space? */ 2935 size = sctp_auth_get_chklist_size(chklist); 2936 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2937 error = EINVAL; 2938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2939 } else { 2940 /* copy in the chunks */ 2941 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2942 sac->gauth_number_of_chunks = (uint32_t)size; 2943 *optsize = sizeof(struct sctp_authchunks) + size; 2944 } 2945 SCTP_TCB_UNLOCK(stcb); 2946 } else { 2947 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2948 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2949 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2950 /* get off the endpoint */ 2951 SCTP_INP_RLOCK(inp); 2952 chklist = inp->sctp_ep.local_auth_chunks; 2953 /* is there enough space? */ 2954 size = sctp_auth_get_chklist_size(chklist); 2955 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2956 error = EINVAL; 2957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2958 } else { 2959 /* copy in the chunks */ 2960 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2961 sac->gauth_number_of_chunks = (uint32_t)size; 2962 *optsize = sizeof(struct sctp_authchunks) + size; 2963 } 2964 SCTP_INP_RUNLOCK(inp); 2965 } else { 2966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2967 error = EINVAL; 2968 } 2969 } 2970 break; 2971 } 2972 case SCTP_PEER_AUTH_CHUNKS: 2973 { 2974 struct sctp_authchunks *sac; 2975 sctp_auth_chklist_t *chklist = NULL; 2976 size_t size = 0; 2977 2978 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2979 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2980 2981 if (stcb) { 2982 /* get off the assoc */ 2983 chklist = stcb->asoc.peer_auth_chunks; 2984 /* is there enough space? */ 2985 size = sctp_auth_get_chklist_size(chklist); 2986 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2987 error = EINVAL; 2988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2989 } else { 2990 /* copy in the chunks */ 2991 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2992 sac->gauth_number_of_chunks = (uint32_t)size; 2993 *optsize = sizeof(struct sctp_authchunks) + size; 2994 } 2995 SCTP_TCB_UNLOCK(stcb); 2996 } else { 2997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2998 error = ENOENT; 2999 } 3000 break; 3001 } 3002 case SCTP_EVENT: 3003 { 3004 struct sctp_event *event; 3005 uint32_t event_type; 3006 3007 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3008 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3009 3010 switch (event->se_type) { 3011 case SCTP_ASSOC_CHANGE: 3012 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3013 break; 3014 case SCTP_PEER_ADDR_CHANGE: 3015 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3016 break; 3017 case SCTP_REMOTE_ERROR: 3018 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3019 break; 3020 case SCTP_SEND_FAILED: 3021 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3022 break; 3023 case SCTP_SHUTDOWN_EVENT: 3024 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3025 break; 3026 case SCTP_ADAPTATION_INDICATION: 3027 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3028 break; 3029 case SCTP_PARTIAL_DELIVERY_EVENT: 3030 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3031 break; 3032 case SCTP_AUTHENTICATION_EVENT: 3033 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3034 break; 3035 case SCTP_STREAM_RESET_EVENT: 3036 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3037 break; 3038 case SCTP_SENDER_DRY_EVENT: 3039 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3040 break; 3041 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3042 event_type = 0; 3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3044 error = ENOTSUP; 3045 break; 3046 case SCTP_ASSOC_RESET_EVENT: 3047 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3048 break; 3049 case SCTP_STREAM_CHANGE_EVENT: 3050 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3051 break; 3052 case SCTP_SEND_FAILED_EVENT: 3053 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3054 break; 3055 default: 3056 event_type = 0; 3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3058 error = EINVAL; 3059 break; 3060 } 3061 if (event_type > 0) { 3062 if (stcb) { 3063 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3064 } else { 3065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3066 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3067 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3068 SCTP_INP_RLOCK(inp); 3069 event->se_on = sctp_is_feature_on(inp, event_type); 3070 SCTP_INP_RUNLOCK(inp); 3071 } else { 3072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3073 error = EINVAL; 3074 } 3075 } 3076 } 3077 if (stcb != NULL) { 3078 SCTP_TCB_UNLOCK(stcb); 3079 } 3080 if (error == 0) { 3081 *optsize = sizeof(struct sctp_event); 3082 } 3083 break; 3084 } 3085 case SCTP_RECVRCVINFO: 3086 { 3087 int onoff; 3088 3089 if (*optsize < sizeof(int)) { 3090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3091 error = EINVAL; 3092 } else { 3093 SCTP_INP_RLOCK(inp); 3094 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3095 SCTP_INP_RUNLOCK(inp); 3096 } 3097 if (error == 0) { 3098 /* return the option value */ 3099 *(int *)optval = onoff; 3100 *optsize = sizeof(int); 3101 } 3102 break; 3103 } 3104 case SCTP_RECVNXTINFO: 3105 { 3106 int onoff; 3107 3108 if (*optsize < sizeof(int)) { 3109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3110 error = EINVAL; 3111 } else { 3112 SCTP_INP_RLOCK(inp); 3113 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3114 SCTP_INP_RUNLOCK(inp); 3115 } 3116 if (error == 0) { 3117 /* return the option value */ 3118 *(int *)optval = onoff; 3119 *optsize = sizeof(int); 3120 } 3121 break; 3122 } 3123 case SCTP_DEFAULT_SNDINFO: 3124 { 3125 struct sctp_sndinfo *info; 3126 3127 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3128 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3129 3130 if (stcb) { 3131 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3132 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3133 info->snd_flags &= 0xfff0; 3134 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3135 info->snd_context = stcb->asoc.def_send.sinfo_context; 3136 SCTP_TCB_UNLOCK(stcb); 3137 } else { 3138 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3140 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3141 SCTP_INP_RLOCK(inp); 3142 info->snd_sid = inp->def_send.sinfo_stream; 3143 info->snd_flags = inp->def_send.sinfo_flags; 3144 info->snd_flags &= 0xfff0; 3145 info->snd_ppid = inp->def_send.sinfo_ppid; 3146 info->snd_context = inp->def_send.sinfo_context; 3147 SCTP_INP_RUNLOCK(inp); 3148 } else { 3149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3150 error = EINVAL; 3151 } 3152 } 3153 if (error == 0) { 3154 *optsize = sizeof(struct sctp_sndinfo); 3155 } 3156 break; 3157 } 3158 case SCTP_DEFAULT_PRINFO: 3159 { 3160 struct sctp_default_prinfo *info; 3161 3162 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3163 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3164 3165 if (stcb) { 3166 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3167 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3168 SCTP_TCB_UNLOCK(stcb); 3169 } else { 3170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3172 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3173 SCTP_INP_RLOCK(inp); 3174 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3175 info->pr_value = inp->def_send.sinfo_timetolive; 3176 SCTP_INP_RUNLOCK(inp); 3177 } else { 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3179 error = EINVAL; 3180 } 3181 } 3182 if (error == 0) { 3183 *optsize = sizeof(struct sctp_default_prinfo); 3184 } 3185 break; 3186 } 3187 case SCTP_PEER_ADDR_THLDS: 3188 { 3189 struct sctp_paddrthlds *thlds; 3190 struct sctp_nets *net; 3191 struct sockaddr *addr; 3192 #if defined(INET) && defined(INET6) 3193 struct sockaddr_in sin_store; 3194 #endif 3195 3196 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3197 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3198 3199 #if defined(INET) && defined(INET6) 3200 if (thlds->spt_address.ss_family == AF_INET6) { 3201 struct sockaddr_in6 *sin6; 3202 3203 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3204 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3205 in6_sin6_2_sin(&sin_store, sin6); 3206 addr = (struct sockaddr *)&sin_store; 3207 } else { 3208 addr = (struct sockaddr *)&thlds->spt_address; 3209 } 3210 } else { 3211 addr = (struct sockaddr *)&thlds->spt_address; 3212 } 3213 #else 3214 addr = (struct sockaddr *)&thlds->spt_address; 3215 #endif 3216 if (stcb != NULL) { 3217 net = sctp_findnet(stcb, addr); 3218 } else { 3219 /* 3220 * We increment here since 3221 * sctp_findassociation_ep_addr() wil do a 3222 * decrement if it finds the stcb as long as 3223 * the locked tcb (last argument) is NOT a 3224 * TCB.. aka NULL. 3225 */ 3226 net = NULL; 3227 SCTP_INP_INCR_REF(inp); 3228 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3229 if (stcb == NULL) { 3230 SCTP_INP_DECR_REF(inp); 3231 } 3232 } 3233 if ((stcb != NULL) && (net == NULL)) { 3234 #ifdef INET 3235 if (addr->sa_family == AF_INET) { 3236 struct sockaddr_in *sin; 3237 3238 sin = (struct sockaddr_in *)addr; 3239 if (sin->sin_addr.s_addr != INADDR_ANY) { 3240 error = EINVAL; 3241 SCTP_TCB_UNLOCK(stcb); 3242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3243 break; 3244 } 3245 } else 3246 #endif 3247 #ifdef INET6 3248 if (addr->sa_family == AF_INET6) { 3249 struct sockaddr_in6 *sin6; 3250 3251 sin6 = (struct sockaddr_in6 *)addr; 3252 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3253 error = EINVAL; 3254 SCTP_TCB_UNLOCK(stcb); 3255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3256 break; 3257 } 3258 } else 3259 #endif 3260 { 3261 error = EAFNOSUPPORT; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } 3267 3268 if (stcb != NULL) { 3269 if (net != NULL) { 3270 thlds->spt_pathmaxrxt = net->failure_threshold; 3271 thlds->spt_pathpfthld = net->pf_threshold; 3272 thlds->spt_pathcpthld = 0xffff; 3273 } else { 3274 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3275 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3276 thlds->spt_pathcpthld = 0xffff; 3277 } 3278 thlds->spt_assoc_id = sctp_get_associd(stcb); 3279 SCTP_TCB_UNLOCK(stcb); 3280 } else { 3281 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3282 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3283 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3284 /* Use endpoint defaults */ 3285 SCTP_INP_RLOCK(inp); 3286 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3287 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3288 thlds->spt_pathcpthld = 0xffff; 3289 SCTP_INP_RUNLOCK(inp); 3290 } else { 3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3292 error = EINVAL; 3293 } 3294 } 3295 if (error == 0) { 3296 *optsize = sizeof(struct sctp_paddrthlds); 3297 } 3298 break; 3299 } 3300 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3301 { 3302 struct sctp_udpencaps *encaps; 3303 struct sctp_nets *net; 3304 struct sockaddr *addr; 3305 #if defined(INET) && defined(INET6) 3306 struct sockaddr_in sin_store; 3307 #endif 3308 3309 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3310 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3311 3312 #if defined(INET) && defined(INET6) 3313 if (encaps->sue_address.ss_family == AF_INET6) { 3314 struct sockaddr_in6 *sin6; 3315 3316 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3317 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3318 in6_sin6_2_sin(&sin_store, sin6); 3319 addr = (struct sockaddr *)&sin_store; 3320 } else { 3321 addr = (struct sockaddr *)&encaps->sue_address; 3322 } 3323 } else { 3324 addr = (struct sockaddr *)&encaps->sue_address; 3325 } 3326 #else 3327 addr = (struct sockaddr *)&encaps->sue_address; 3328 #endif 3329 if (stcb) { 3330 net = sctp_findnet(stcb, addr); 3331 } else { 3332 /* 3333 * We increment here since 3334 * sctp_findassociation_ep_addr() wil do a 3335 * decrement if it finds the stcb as long as 3336 * the locked tcb (last argument) is NOT a 3337 * TCB.. aka NULL. 3338 */ 3339 net = NULL; 3340 SCTP_INP_INCR_REF(inp); 3341 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3342 if (stcb == NULL) { 3343 SCTP_INP_DECR_REF(inp); 3344 } 3345 } 3346 if ((stcb != NULL) && (net == NULL)) { 3347 #ifdef INET 3348 if (addr->sa_family == AF_INET) { 3349 struct sockaddr_in *sin; 3350 3351 sin = (struct sockaddr_in *)addr; 3352 if (sin->sin_addr.s_addr != INADDR_ANY) { 3353 error = EINVAL; 3354 SCTP_TCB_UNLOCK(stcb); 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3356 break; 3357 } 3358 } else 3359 #endif 3360 #ifdef INET6 3361 if (addr->sa_family == AF_INET6) { 3362 struct sockaddr_in6 *sin6; 3363 3364 sin6 = (struct sockaddr_in6 *)addr; 3365 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3366 error = EINVAL; 3367 SCTP_TCB_UNLOCK(stcb); 3368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3369 break; 3370 } 3371 } else 3372 #endif 3373 { 3374 error = EAFNOSUPPORT; 3375 SCTP_TCB_UNLOCK(stcb); 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3377 break; 3378 } 3379 } 3380 3381 if (stcb != NULL) { 3382 if (net) { 3383 encaps->sue_port = net->port; 3384 } else { 3385 encaps->sue_port = stcb->asoc.port; 3386 } 3387 SCTP_TCB_UNLOCK(stcb); 3388 } else { 3389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3390 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3391 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3392 SCTP_INP_RLOCK(inp); 3393 encaps->sue_port = inp->sctp_ep.port; 3394 SCTP_INP_RUNLOCK(inp); 3395 } else { 3396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3397 error = EINVAL; 3398 } 3399 } 3400 if (error == 0) { 3401 *optsize = sizeof(struct sctp_udpencaps); 3402 } 3403 break; 3404 } 3405 case SCTP_ECN_SUPPORTED: 3406 { 3407 struct sctp_assoc_value *av; 3408 3409 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3410 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3411 3412 if (stcb) { 3413 av->assoc_value = stcb->asoc.ecn_supported; 3414 SCTP_TCB_UNLOCK(stcb); 3415 } else { 3416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3417 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3418 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3419 SCTP_INP_RLOCK(inp); 3420 av->assoc_value = inp->ecn_supported; 3421 SCTP_INP_RUNLOCK(inp); 3422 } else { 3423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3424 error = EINVAL; 3425 } 3426 } 3427 if (error == 0) { 3428 *optsize = sizeof(struct sctp_assoc_value); 3429 } 3430 break; 3431 } 3432 case SCTP_PR_SUPPORTED: 3433 { 3434 struct sctp_assoc_value *av; 3435 3436 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3437 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3438 3439 if (stcb) { 3440 av->assoc_value = stcb->asoc.prsctp_supported; 3441 SCTP_TCB_UNLOCK(stcb); 3442 } else { 3443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3445 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3446 SCTP_INP_RLOCK(inp); 3447 av->assoc_value = inp->prsctp_supported; 3448 SCTP_INP_RUNLOCK(inp); 3449 } else { 3450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3451 error = EINVAL; 3452 } 3453 } 3454 if (error == 0) { 3455 *optsize = sizeof(struct sctp_assoc_value); 3456 } 3457 break; 3458 } 3459 case SCTP_AUTH_SUPPORTED: 3460 { 3461 struct sctp_assoc_value *av; 3462 3463 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3464 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3465 3466 if (stcb) { 3467 av->assoc_value = stcb->asoc.auth_supported; 3468 SCTP_TCB_UNLOCK(stcb); 3469 } else { 3470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3472 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3473 SCTP_INP_RLOCK(inp); 3474 av->assoc_value = inp->auth_supported; 3475 SCTP_INP_RUNLOCK(inp); 3476 } else { 3477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3478 error = EINVAL; 3479 } 3480 } 3481 if (error == 0) { 3482 *optsize = sizeof(struct sctp_assoc_value); 3483 } 3484 break; 3485 } 3486 case SCTP_ASCONF_SUPPORTED: 3487 { 3488 struct sctp_assoc_value *av; 3489 3490 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3491 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3492 3493 if (stcb) { 3494 av->assoc_value = stcb->asoc.asconf_supported; 3495 SCTP_TCB_UNLOCK(stcb); 3496 } else { 3497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3498 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3499 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3500 SCTP_INP_RLOCK(inp); 3501 av->assoc_value = inp->asconf_supported; 3502 SCTP_INP_RUNLOCK(inp); 3503 } else { 3504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3505 error = EINVAL; 3506 } 3507 } 3508 if (error == 0) { 3509 *optsize = sizeof(struct sctp_assoc_value); 3510 } 3511 break; 3512 } 3513 case SCTP_RECONFIG_SUPPORTED: 3514 { 3515 struct sctp_assoc_value *av; 3516 3517 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3518 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3519 3520 if (stcb) { 3521 av->assoc_value = stcb->asoc.reconfig_supported; 3522 SCTP_TCB_UNLOCK(stcb); 3523 } else { 3524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3525 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3526 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3527 SCTP_INP_RLOCK(inp); 3528 av->assoc_value = inp->reconfig_supported; 3529 SCTP_INP_RUNLOCK(inp); 3530 } else { 3531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3532 error = EINVAL; 3533 } 3534 } 3535 if (error == 0) { 3536 *optsize = sizeof(struct sctp_assoc_value); 3537 } 3538 break; 3539 } 3540 case SCTP_NRSACK_SUPPORTED: 3541 { 3542 struct sctp_assoc_value *av; 3543 3544 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3545 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3546 3547 if (stcb) { 3548 av->assoc_value = stcb->asoc.nrsack_supported; 3549 SCTP_TCB_UNLOCK(stcb); 3550 } else { 3551 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3552 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3553 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3554 SCTP_INP_RLOCK(inp); 3555 av->assoc_value = inp->nrsack_supported; 3556 SCTP_INP_RUNLOCK(inp); 3557 } else { 3558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3559 error = EINVAL; 3560 } 3561 } 3562 if (error == 0) { 3563 *optsize = sizeof(struct sctp_assoc_value); 3564 } 3565 break; 3566 } 3567 case SCTP_PKTDROP_SUPPORTED: 3568 { 3569 struct sctp_assoc_value *av; 3570 3571 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3572 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3573 3574 if (stcb) { 3575 av->assoc_value = stcb->asoc.pktdrop_supported; 3576 SCTP_TCB_UNLOCK(stcb); 3577 } else { 3578 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3579 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3580 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3581 SCTP_INP_RLOCK(inp); 3582 av->assoc_value = inp->pktdrop_supported; 3583 SCTP_INP_RUNLOCK(inp); 3584 } else { 3585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3586 error = EINVAL; 3587 } 3588 } 3589 if (error == 0) { 3590 *optsize = sizeof(struct sctp_assoc_value); 3591 } 3592 break; 3593 } 3594 case SCTP_ENABLE_STREAM_RESET: 3595 { 3596 struct sctp_assoc_value *av; 3597 3598 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3599 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3600 3601 if (stcb) { 3602 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3603 SCTP_TCB_UNLOCK(stcb); 3604 } else { 3605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3607 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3608 SCTP_INP_RLOCK(inp); 3609 av->assoc_value = (uint32_t)inp->local_strreset_support; 3610 SCTP_INP_RUNLOCK(inp); 3611 } else { 3612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3613 error = EINVAL; 3614 } 3615 } 3616 if (error == 0) { 3617 *optsize = sizeof(struct sctp_assoc_value); 3618 } 3619 break; 3620 } 3621 case SCTP_PR_STREAM_STATUS: 3622 { 3623 struct sctp_prstatus *sprstat; 3624 uint16_t sid; 3625 uint16_t policy; 3626 3627 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3628 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3629 3630 sid = sprstat->sprstat_sid; 3631 policy = sprstat->sprstat_policy; 3632 #if defined(SCTP_DETAILED_STR_STATS) 3633 if ((stcb != NULL) && 3634 (sid < stcb->asoc.streamoutcnt) && 3635 (policy != SCTP_PR_SCTP_NONE) && 3636 ((policy <= SCTP_PR_SCTP_MAX) || 3637 (policy == SCTP_PR_SCTP_ALL))) { 3638 if (policy == SCTP_PR_SCTP_ALL) { 3639 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3640 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3641 } else { 3642 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3643 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3644 } 3645 #else 3646 if ((stcb != NULL) && 3647 (sid < stcb->asoc.streamoutcnt) && 3648 (policy == SCTP_PR_SCTP_ALL)) { 3649 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3650 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3651 #endif 3652 } else { 3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3654 error = EINVAL; 3655 } 3656 if (stcb != NULL) { 3657 SCTP_TCB_UNLOCK(stcb); 3658 } 3659 if (error == 0) { 3660 *optsize = sizeof(struct sctp_prstatus); 3661 } 3662 break; 3663 } 3664 case SCTP_PR_ASSOC_STATUS: 3665 { 3666 struct sctp_prstatus *sprstat; 3667 uint16_t policy; 3668 3669 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3670 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3671 3672 policy = sprstat->sprstat_policy; 3673 if ((stcb != NULL) && 3674 (policy != SCTP_PR_SCTP_NONE) && 3675 ((policy <= SCTP_PR_SCTP_MAX) || 3676 (policy == SCTP_PR_SCTP_ALL))) { 3677 if (policy == SCTP_PR_SCTP_ALL) { 3678 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3679 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3680 } else { 3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3682 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3683 } 3684 } else { 3685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3686 error = EINVAL; 3687 } 3688 if (stcb != NULL) { 3689 SCTP_TCB_UNLOCK(stcb); 3690 } 3691 if (error == 0) { 3692 *optsize = sizeof(struct sctp_prstatus); 3693 } 3694 break; 3695 } 3696 case SCTP_MAX_CWND: 3697 { 3698 struct sctp_assoc_value *av; 3699 3700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3702 3703 if (stcb) { 3704 av->assoc_value = stcb->asoc.max_cwnd; 3705 SCTP_TCB_UNLOCK(stcb); 3706 } else { 3707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3709 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3710 SCTP_INP_RLOCK(inp); 3711 av->assoc_value = inp->max_cwnd; 3712 SCTP_INP_RUNLOCK(inp); 3713 } else { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 } 3717 } 3718 if (error == 0) { 3719 *optsize = sizeof(struct sctp_assoc_value); 3720 } 3721 break; 3722 } 3723 default: 3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3725 error = ENOPROTOOPT; 3726 break; 3727 } /* end switch (sopt->sopt_name) */ 3728 if (error) { 3729 *optsize = 0; 3730 } 3731 return (error); 3732 } 3733 3734 static int 3735 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3736 void *p) 3737 { 3738 int error, set_opt; 3739 uint32_t *mopt; 3740 struct sctp_tcb *stcb = NULL; 3741 struct sctp_inpcb *inp = NULL; 3742 uint32_t vrf_id; 3743 3744 if (optval == NULL) { 3745 SCTP_PRINTF("optval is NULL\n"); 3746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3747 return (EINVAL); 3748 } 3749 inp = (struct sctp_inpcb *)so->so_pcb; 3750 if (inp == NULL) { 3751 SCTP_PRINTF("inp is NULL?\n"); 3752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3753 return (EINVAL); 3754 } 3755 vrf_id = inp->def_vrf_id; 3756 3757 error = 0; 3758 switch (optname) { 3759 case SCTP_NODELAY: 3760 case SCTP_AUTOCLOSE: 3761 case SCTP_AUTO_ASCONF: 3762 case SCTP_EXPLICIT_EOR: 3763 case SCTP_DISABLE_FRAGMENTS: 3764 case SCTP_USE_EXT_RCVINFO: 3765 case SCTP_I_WANT_MAPPED_V4_ADDR: 3766 /* copy in the option value */ 3767 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3768 set_opt = 0; 3769 if (error) 3770 break; 3771 switch (optname) { 3772 case SCTP_DISABLE_FRAGMENTS: 3773 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3774 break; 3775 case SCTP_AUTO_ASCONF: 3776 /* 3777 * NOTE: we don't really support this flag 3778 */ 3779 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3780 /* only valid for bound all sockets */ 3781 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3782 (*mopt != 0)) { 3783 /* forbidden by admin */ 3784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3785 return (EPERM); 3786 } 3787 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3788 } else { 3789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3790 return (EINVAL); 3791 } 3792 break; 3793 case SCTP_EXPLICIT_EOR: 3794 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3795 break; 3796 case SCTP_USE_EXT_RCVINFO: 3797 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3798 break; 3799 case SCTP_I_WANT_MAPPED_V4_ADDR: 3800 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3801 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3802 } else { 3803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3804 return (EINVAL); 3805 } 3806 break; 3807 case SCTP_NODELAY: 3808 set_opt = SCTP_PCB_FLAGS_NODELAY; 3809 break; 3810 case SCTP_AUTOCLOSE: 3811 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3812 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3814 return (EINVAL); 3815 } 3816 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3817 /* 3818 * The value is in ticks. Note this does not effect 3819 * old associations, only new ones. 3820 */ 3821 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3822 break; 3823 } 3824 SCTP_INP_WLOCK(inp); 3825 if (*mopt != 0) { 3826 sctp_feature_on(inp, set_opt); 3827 } else { 3828 sctp_feature_off(inp, set_opt); 3829 } 3830 SCTP_INP_WUNLOCK(inp); 3831 break; 3832 case SCTP_REUSE_PORT: 3833 { 3834 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3835 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3836 /* Can't set it after we are bound */ 3837 error = EINVAL; 3838 break; 3839 } 3840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3841 /* Can't do this for a 1-m socket */ 3842 error = EINVAL; 3843 break; 3844 } 3845 if (optval) 3846 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3847 else 3848 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3849 break; 3850 } 3851 case SCTP_PARTIAL_DELIVERY_POINT: 3852 { 3853 uint32_t *value; 3854 3855 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3856 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3858 error = EINVAL; 3859 break; 3860 } 3861 inp->partial_delivery_point = *value; 3862 break; 3863 } 3864 case SCTP_FRAGMENT_INTERLEAVE: 3865 /* not yet until we re-write sctp_recvmsg() */ 3866 { 3867 uint32_t *level; 3868 3869 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3870 if (*level == SCTP_FRAG_LEVEL_2) { 3871 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3873 } else if (*level == SCTP_FRAG_LEVEL_1) { 3874 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3875 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3876 } else if (*level == SCTP_FRAG_LEVEL_0) { 3877 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3878 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3879 3880 } else { 3881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3882 error = EINVAL; 3883 } 3884 break; 3885 } 3886 case SCTP_INTERLEAVING_SUPPORTED: 3887 { 3888 struct sctp_assoc_value *av; 3889 3890 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3891 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3892 3893 if (stcb) { 3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3895 error = EINVAL; 3896 SCTP_TCB_UNLOCK(stcb); 3897 } else { 3898 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3899 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3900 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3901 SCTP_INP_WLOCK(inp); 3902 if (av->assoc_value == 0) { 3903 inp->idata_supported = 0; 3904 } else { 3905 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3906 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3907 inp->idata_supported = 1; 3908 } else { 3909 /* 3910 * Must have Frag 3911 * interleave and 3912 * stream interleave 3913 * on 3914 */ 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3916 error = EINVAL; 3917 } 3918 } 3919 SCTP_INP_WUNLOCK(inp); 3920 } else { 3921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3922 error = EINVAL; 3923 } 3924 } 3925 break; 3926 } 3927 case SCTP_CMT_ON_OFF: 3928 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3929 struct sctp_assoc_value *av; 3930 3931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3932 if (av->assoc_value > SCTP_CMT_MAX) { 3933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3934 error = EINVAL; 3935 break; 3936 } 3937 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3938 if (stcb) { 3939 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3940 SCTP_TCB_UNLOCK(stcb); 3941 } else { 3942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3944 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3945 (av->assoc_id == SCTP_ALL_ASSOC)) { 3946 SCTP_INP_WLOCK(inp); 3947 inp->sctp_cmt_on_off = av->assoc_value; 3948 SCTP_INP_WUNLOCK(inp); 3949 } 3950 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3951 (av->assoc_id == SCTP_ALL_ASSOC)) { 3952 SCTP_INP_RLOCK(inp); 3953 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3954 SCTP_TCB_LOCK(stcb); 3955 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3956 SCTP_TCB_UNLOCK(stcb); 3957 } 3958 SCTP_INP_RUNLOCK(inp); 3959 } 3960 } 3961 } else { 3962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3963 error = ENOPROTOOPT; 3964 } 3965 break; 3966 case SCTP_PLUGGABLE_CC: 3967 { 3968 struct sctp_assoc_value *av; 3969 struct sctp_nets *net; 3970 3971 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3972 if ((av->assoc_value != SCTP_CC_RFC2581) && 3973 (av->assoc_value != SCTP_CC_HSTCP) && 3974 (av->assoc_value != SCTP_CC_HTCP) && 3975 (av->assoc_value != SCTP_CC_RTCC)) { 3976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3977 error = EINVAL; 3978 break; 3979 } 3980 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3981 if (stcb) { 3982 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3983 stcb->asoc.congestion_control_module = av->assoc_value; 3984 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3985 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3986 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3987 } 3988 } 3989 SCTP_TCB_UNLOCK(stcb); 3990 } else { 3991 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3992 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3993 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3994 (av->assoc_id == SCTP_ALL_ASSOC)) { 3995 SCTP_INP_WLOCK(inp); 3996 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3997 SCTP_INP_WUNLOCK(inp); 3998 } 3999 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4000 (av->assoc_id == SCTP_ALL_ASSOC)) { 4001 SCTP_INP_RLOCK(inp); 4002 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4003 SCTP_TCB_LOCK(stcb); 4004 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4005 stcb->asoc.congestion_control_module = av->assoc_value; 4006 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4007 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4008 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4009 } 4010 } 4011 SCTP_TCB_UNLOCK(stcb); 4012 } 4013 SCTP_INP_RUNLOCK(inp); 4014 } 4015 } 4016 break; 4017 } 4018 case SCTP_CC_OPTION: 4019 { 4020 struct sctp_cc_option *cc_opt; 4021 4022 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4023 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4024 if (stcb == NULL) { 4025 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4026 SCTP_INP_RLOCK(inp); 4027 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4028 SCTP_TCB_LOCK(stcb); 4029 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4030 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4031 } 4032 SCTP_TCB_UNLOCK(stcb); 4033 } 4034 SCTP_INP_RUNLOCK(inp); 4035 } else { 4036 error = EINVAL; 4037 } 4038 } else { 4039 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4040 error = ENOTSUP; 4041 } else { 4042 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4043 cc_opt); 4044 } 4045 SCTP_TCB_UNLOCK(stcb); 4046 } 4047 break; 4048 } 4049 case SCTP_PLUGGABLE_SS: 4050 { 4051 struct sctp_assoc_value *av; 4052 4053 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4054 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4055 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4056 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4057 (av->assoc_value != SCTP_SS_PRIORITY) && 4058 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4059 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4061 error = EINVAL; 4062 break; 4063 } 4064 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4065 if (stcb) { 4066 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4067 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4068 stcb->asoc.stream_scheduling_module = av->assoc_value; 4069 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4070 SCTP_TCB_UNLOCK(stcb); 4071 } else { 4072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4074 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4075 (av->assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_WLOCK(inp); 4077 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4078 SCTP_INP_WUNLOCK(inp); 4079 } 4080 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4081 (av->assoc_id == SCTP_ALL_ASSOC)) { 4082 SCTP_INP_RLOCK(inp); 4083 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4084 SCTP_TCB_LOCK(stcb); 4085 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4086 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4087 stcb->asoc.stream_scheduling_module = av->assoc_value; 4088 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4089 SCTP_TCB_UNLOCK(stcb); 4090 } 4091 SCTP_INP_RUNLOCK(inp); 4092 } 4093 } 4094 break; 4095 } 4096 case SCTP_SS_VALUE: 4097 { 4098 struct sctp_stream_value *av; 4099 4100 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4101 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4102 if (stcb) { 4103 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4104 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4105 av->stream_value) < 0)) { 4106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4107 error = EINVAL; 4108 } 4109 SCTP_TCB_UNLOCK(stcb); 4110 } else { 4111 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4112 SCTP_INP_RLOCK(inp); 4113 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4114 SCTP_TCB_LOCK(stcb); 4115 if (av->stream_id < stcb->asoc.streamoutcnt) { 4116 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4117 &stcb->asoc, 4118 &stcb->asoc.strmout[av->stream_id], 4119 av->stream_value); 4120 } 4121 SCTP_TCB_UNLOCK(stcb); 4122 } 4123 SCTP_INP_RUNLOCK(inp); 4124 } else { 4125 /* 4126 * Can't set stream value without 4127 * association 4128 */ 4129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4130 error = EINVAL; 4131 } 4132 } 4133 break; 4134 } 4135 case SCTP_CLR_STAT_LOG: 4136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4137 error = EOPNOTSUPP; 4138 break; 4139 case SCTP_CONTEXT: 4140 { 4141 struct sctp_assoc_value *av; 4142 4143 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4144 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4145 4146 if (stcb) { 4147 stcb->asoc.context = av->assoc_value; 4148 SCTP_TCB_UNLOCK(stcb); 4149 } else { 4150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4151 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4152 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4153 (av->assoc_id == SCTP_ALL_ASSOC)) { 4154 SCTP_INP_WLOCK(inp); 4155 inp->sctp_context = av->assoc_value; 4156 SCTP_INP_WUNLOCK(inp); 4157 } 4158 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4159 (av->assoc_id == SCTP_ALL_ASSOC)) { 4160 SCTP_INP_RLOCK(inp); 4161 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4162 SCTP_TCB_LOCK(stcb); 4163 stcb->asoc.context = av->assoc_value; 4164 SCTP_TCB_UNLOCK(stcb); 4165 } 4166 SCTP_INP_RUNLOCK(inp); 4167 } 4168 } 4169 break; 4170 } 4171 case SCTP_VRF_ID: 4172 { 4173 uint32_t *default_vrfid; 4174 4175 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4176 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4178 error = EINVAL; 4179 break; 4180 } 4181 inp->def_vrf_id = *default_vrfid; 4182 break; 4183 } 4184 case SCTP_DEL_VRF_ID: 4185 { 4186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4187 error = EOPNOTSUPP; 4188 break; 4189 } 4190 case SCTP_ADD_VRF_ID: 4191 { 4192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4193 error = EOPNOTSUPP; 4194 break; 4195 } 4196 case SCTP_DELAYED_SACK: 4197 { 4198 struct sctp_sack_info *sack; 4199 4200 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4201 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4202 if (sack->sack_delay) { 4203 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4204 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4205 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4206 sack->sack_delay = TICKS_TO_MSEC(1); 4207 } 4208 } 4209 if (stcb) { 4210 if (sack->sack_delay) { 4211 stcb->asoc.delayed_ack = sack->sack_delay; 4212 } 4213 if (sack->sack_freq) { 4214 stcb->asoc.sack_freq = sack->sack_freq; 4215 } 4216 SCTP_TCB_UNLOCK(stcb); 4217 } else { 4218 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4219 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4220 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4221 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4222 SCTP_INP_WLOCK(inp); 4223 if (sack->sack_delay) { 4224 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4225 } 4226 if (sack->sack_freq) { 4227 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4228 } 4229 SCTP_INP_WUNLOCK(inp); 4230 } 4231 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4232 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4233 SCTP_INP_RLOCK(inp); 4234 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4235 SCTP_TCB_LOCK(stcb); 4236 if (sack->sack_delay) { 4237 stcb->asoc.delayed_ack = sack->sack_delay; 4238 } 4239 if (sack->sack_freq) { 4240 stcb->asoc.sack_freq = sack->sack_freq; 4241 } 4242 SCTP_TCB_UNLOCK(stcb); 4243 } 4244 SCTP_INP_RUNLOCK(inp); 4245 } 4246 } 4247 break; 4248 } 4249 case SCTP_AUTH_CHUNK: 4250 { 4251 struct sctp_authchunk *sauth; 4252 4253 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4254 4255 SCTP_INP_WLOCK(inp); 4256 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4258 error = EINVAL; 4259 } else { 4260 inp->auth_supported = 1; 4261 } 4262 SCTP_INP_WUNLOCK(inp); 4263 break; 4264 } 4265 case SCTP_AUTH_KEY: 4266 { 4267 struct sctp_authkey *sca; 4268 struct sctp_keyhead *shared_keys; 4269 sctp_sharedkey_t *shared_key; 4270 sctp_key_t *key = NULL; 4271 size_t size; 4272 4273 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4274 if (sca->sca_keylength == 0) { 4275 size = optsize - sizeof(struct sctp_authkey); 4276 } else { 4277 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4278 size = sca->sca_keylength; 4279 } else { 4280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4281 error = EINVAL; 4282 break; 4283 } 4284 } 4285 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4286 4287 if (stcb) { 4288 shared_keys = &stcb->asoc.shared_keys; 4289 /* clear the cached keys for this key id */ 4290 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4291 /* 4292 * create the new shared key and 4293 * insert/replace it 4294 */ 4295 if (size > 0) { 4296 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4297 if (key == NULL) { 4298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4299 error = ENOMEM; 4300 SCTP_TCB_UNLOCK(stcb); 4301 break; 4302 } 4303 } 4304 shared_key = sctp_alloc_sharedkey(); 4305 if (shared_key == NULL) { 4306 sctp_free_key(key); 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4308 error = ENOMEM; 4309 SCTP_TCB_UNLOCK(stcb); 4310 break; 4311 } 4312 shared_key->key = key; 4313 shared_key->keyid = sca->sca_keynumber; 4314 error = sctp_insert_sharedkey(shared_keys, shared_key); 4315 SCTP_TCB_UNLOCK(stcb); 4316 } else { 4317 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4318 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4319 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4320 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4321 SCTP_INP_WLOCK(inp); 4322 shared_keys = &inp->sctp_ep.shared_keys; 4323 /* 4324 * clear the cached keys on all 4325 * assocs for this key id 4326 */ 4327 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4328 /* 4329 * create the new shared key and 4330 * insert/replace it 4331 */ 4332 if (size > 0) { 4333 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4334 if (key == NULL) { 4335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4336 error = ENOMEM; 4337 SCTP_INP_WUNLOCK(inp); 4338 break; 4339 } 4340 } 4341 shared_key = sctp_alloc_sharedkey(); 4342 if (shared_key == NULL) { 4343 sctp_free_key(key); 4344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4345 error = ENOMEM; 4346 SCTP_INP_WUNLOCK(inp); 4347 break; 4348 } 4349 shared_key->key = key; 4350 shared_key->keyid = sca->sca_keynumber; 4351 error = sctp_insert_sharedkey(shared_keys, shared_key); 4352 SCTP_INP_WUNLOCK(inp); 4353 } 4354 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4355 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4356 SCTP_INP_RLOCK(inp); 4357 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4358 SCTP_TCB_LOCK(stcb); 4359 shared_keys = &stcb->asoc.shared_keys; 4360 /* 4361 * clear the cached keys for 4362 * this key id 4363 */ 4364 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4365 /* 4366 * create the new shared key 4367 * and insert/replace it 4368 */ 4369 if (size > 0) { 4370 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4371 if (key == NULL) { 4372 SCTP_TCB_UNLOCK(stcb); 4373 continue; 4374 } 4375 } 4376 shared_key = sctp_alloc_sharedkey(); 4377 if (shared_key == NULL) { 4378 sctp_free_key(key); 4379 SCTP_TCB_UNLOCK(stcb); 4380 continue; 4381 } 4382 shared_key->key = key; 4383 shared_key->keyid = sca->sca_keynumber; 4384 error = sctp_insert_sharedkey(shared_keys, shared_key); 4385 SCTP_TCB_UNLOCK(stcb); 4386 } 4387 SCTP_INP_RUNLOCK(inp); 4388 } 4389 } 4390 break; 4391 } 4392 case SCTP_HMAC_IDENT: 4393 { 4394 struct sctp_hmacalgo *shmac; 4395 sctp_hmaclist_t *hmaclist; 4396 uint16_t hmacid; 4397 uint32_t i; 4398 4399 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4400 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4401 (shmac->shmac_number_of_idents > 0xffff)) { 4402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4403 error = EINVAL; 4404 break; 4405 } 4406 4407 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4408 if (hmaclist == NULL) { 4409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4410 error = ENOMEM; 4411 break; 4412 } 4413 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4414 hmacid = shmac->shmac_idents[i]; 4415 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4416 /* invalid HMACs were found */ ; 4417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4418 error = EINVAL; 4419 sctp_free_hmaclist(hmaclist); 4420 goto sctp_set_hmac_done; 4421 } 4422 } 4423 for (i = 0; i < hmaclist->num_algo; i++) { 4424 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4425 /* already in list */ 4426 break; 4427 } 4428 } 4429 if (i == hmaclist->num_algo) { 4430 /* not found in list */ 4431 sctp_free_hmaclist(hmaclist); 4432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4433 error = EINVAL; 4434 break; 4435 } 4436 /* set it on the endpoint */ 4437 SCTP_INP_WLOCK(inp); 4438 if (inp->sctp_ep.local_hmacs) 4439 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4440 inp->sctp_ep.local_hmacs = hmaclist; 4441 SCTP_INP_WUNLOCK(inp); 4442 sctp_set_hmac_done: 4443 break; 4444 } 4445 case SCTP_AUTH_ACTIVE_KEY: 4446 { 4447 struct sctp_authkeyid *scact; 4448 4449 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4450 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4451 4452 /* set the active key on the right place */ 4453 if (stcb) { 4454 /* set the active key on the assoc */ 4455 if (sctp_auth_setactivekey(stcb, 4456 scact->scact_keynumber)) { 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4458 SCTP_FROM_SCTP_USRREQ, 4459 EINVAL); 4460 error = EINVAL; 4461 } 4462 SCTP_TCB_UNLOCK(stcb); 4463 } else { 4464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4466 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4467 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4468 SCTP_INP_WLOCK(inp); 4469 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4470 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4471 error = EINVAL; 4472 } 4473 SCTP_INP_WUNLOCK(inp); 4474 } 4475 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4476 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4477 SCTP_INP_RLOCK(inp); 4478 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4479 SCTP_TCB_LOCK(stcb); 4480 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4481 SCTP_TCB_UNLOCK(stcb); 4482 } 4483 SCTP_INP_RUNLOCK(inp); 4484 } 4485 } 4486 break; 4487 } 4488 case SCTP_AUTH_DELETE_KEY: 4489 { 4490 struct sctp_authkeyid *scdel; 4491 4492 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4493 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4494 4495 /* delete the key from the right place */ 4496 if (stcb) { 4497 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4499 error = EINVAL; 4500 } 4501 SCTP_TCB_UNLOCK(stcb); 4502 } else { 4503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4505 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4506 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4507 SCTP_INP_WLOCK(inp); 4508 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4510 error = EINVAL; 4511 } 4512 SCTP_INP_WUNLOCK(inp); 4513 } 4514 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4515 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4516 SCTP_INP_RLOCK(inp); 4517 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4518 SCTP_TCB_LOCK(stcb); 4519 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4520 SCTP_TCB_UNLOCK(stcb); 4521 } 4522 SCTP_INP_RUNLOCK(inp); 4523 } 4524 } 4525 break; 4526 } 4527 case SCTP_AUTH_DEACTIVATE_KEY: 4528 { 4529 struct sctp_authkeyid *keyid; 4530 4531 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4532 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4533 4534 /* deactivate the key from the right place */ 4535 if (stcb) { 4536 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4538 error = EINVAL; 4539 } 4540 SCTP_TCB_UNLOCK(stcb); 4541 } else { 4542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4544 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4545 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4546 SCTP_INP_WLOCK(inp); 4547 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4548 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4549 error = EINVAL; 4550 } 4551 SCTP_INP_WUNLOCK(inp); 4552 } 4553 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4554 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4555 SCTP_INP_RLOCK(inp); 4556 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4557 SCTP_TCB_LOCK(stcb); 4558 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4559 SCTP_TCB_UNLOCK(stcb); 4560 } 4561 SCTP_INP_RUNLOCK(inp); 4562 } 4563 } 4564 break; 4565 } 4566 case SCTP_ENABLE_STREAM_RESET: 4567 { 4568 struct sctp_assoc_value *av; 4569 4570 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4571 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4573 error = EINVAL; 4574 break; 4575 } 4576 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4577 if (stcb) { 4578 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4579 SCTP_TCB_UNLOCK(stcb); 4580 } else { 4581 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4582 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4583 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4584 (av->assoc_id == SCTP_ALL_ASSOC)) { 4585 SCTP_INP_WLOCK(inp); 4586 inp->local_strreset_support = (uint8_t)av->assoc_value; 4587 SCTP_INP_WUNLOCK(inp); 4588 } 4589 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4590 (av->assoc_id == SCTP_ALL_ASSOC)) { 4591 SCTP_INP_RLOCK(inp); 4592 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4593 SCTP_TCB_LOCK(stcb); 4594 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4595 SCTP_TCB_UNLOCK(stcb); 4596 } 4597 SCTP_INP_RUNLOCK(inp); 4598 } 4599 4600 } 4601 break; 4602 } 4603 case SCTP_RESET_STREAMS: 4604 { 4605 struct sctp_reset_streams *strrst; 4606 int i, send_out = 0; 4607 int send_in = 0; 4608 4609 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4610 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4611 if (stcb == NULL) { 4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4613 error = ENOENT; 4614 break; 4615 } 4616 if (stcb->asoc.reconfig_supported == 0) { 4617 /* 4618 * Peer does not support the chunk type. 4619 */ 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4621 error = EOPNOTSUPP; 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 if (sizeof(struct sctp_reset_streams) + 4626 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4627 error = EINVAL; 4628 SCTP_TCB_UNLOCK(stcb); 4629 break; 4630 } 4631 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4632 send_in = 1; 4633 if (stcb->asoc.stream_reset_outstanding) { 4634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4635 error = EALREADY; 4636 SCTP_TCB_UNLOCK(stcb); 4637 break; 4638 } 4639 } 4640 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4641 send_out = 1; 4642 } 4643 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4645 error = ENOMEM; 4646 SCTP_TCB_UNLOCK(stcb); 4647 break; 4648 } 4649 if ((send_in == 0) && (send_out == 0)) { 4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4651 error = EINVAL; 4652 SCTP_TCB_UNLOCK(stcb); 4653 break; 4654 } 4655 for (i = 0; i < strrst->srs_number_streams; i++) { 4656 if ((send_in) && 4657 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4659 error = EINVAL; 4660 break; 4661 } 4662 if ((send_out) && 4663 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4665 error = EINVAL; 4666 break; 4667 } 4668 } 4669 if (error) { 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if (send_out) { 4674 int cnt; 4675 uint16_t strm; 4676 4677 if (strrst->srs_number_streams) { 4678 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4679 strm = strrst->srs_stream_list[i]; 4680 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4681 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4682 cnt++; 4683 } 4684 } 4685 } else { 4686 /* Its all */ 4687 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4688 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4689 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4690 cnt++; 4691 } 4692 } 4693 } 4694 } 4695 if (send_in) { 4696 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4697 strrst->srs_stream_list, 4698 send_in, 0, 0, 0, 0, 0); 4699 } else { 4700 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4701 } 4702 if (error == 0) { 4703 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4704 } else { 4705 /* 4706 * For outgoing streams don't report any 4707 * problems in sending the request to the 4708 * application. XXX: Double check resetting 4709 * incoming streams. 4710 */ 4711 error = 0; 4712 } 4713 SCTP_TCB_UNLOCK(stcb); 4714 break; 4715 } 4716 case SCTP_ADD_STREAMS: 4717 { 4718 struct sctp_add_streams *stradd; 4719 uint8_t addstream = 0; 4720 uint16_t add_o_strmcnt = 0; 4721 uint16_t add_i_strmcnt = 0; 4722 4723 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4724 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4725 if (stcb == NULL) { 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4727 error = ENOENT; 4728 break; 4729 } 4730 if (stcb->asoc.reconfig_supported == 0) { 4731 /* 4732 * Peer does not support the chunk type. 4733 */ 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4735 error = EOPNOTSUPP; 4736 SCTP_TCB_UNLOCK(stcb); 4737 break; 4738 } 4739 if (stcb->asoc.stream_reset_outstanding) { 4740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4741 error = EALREADY; 4742 SCTP_TCB_UNLOCK(stcb); 4743 break; 4744 } 4745 if ((stradd->sas_outstrms == 0) && 4746 (stradd->sas_instrms == 0)) { 4747 error = EINVAL; 4748 goto skip_stuff; 4749 } 4750 if (stradd->sas_outstrms) { 4751 addstream = 1; 4752 /* We allocate here */ 4753 add_o_strmcnt = stradd->sas_outstrms; 4754 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4755 /* You can't have more than 64k */ 4756 error = EINVAL; 4757 goto skip_stuff; 4758 } 4759 } 4760 if (stradd->sas_instrms) { 4761 int cnt; 4762 4763 addstream |= 2; 4764 /* 4765 * We allocate inside 4766 * sctp_send_str_reset_req() 4767 */ 4768 add_i_strmcnt = stradd->sas_instrms; 4769 cnt = add_i_strmcnt; 4770 cnt += stcb->asoc.streamincnt; 4771 if (cnt > 0x0000ffff) { 4772 /* You can't have more than 64k */ 4773 error = EINVAL; 4774 goto skip_stuff; 4775 } 4776 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4777 /* More than you are allowed */ 4778 error = EINVAL; 4779 goto skip_stuff; 4780 } 4781 } 4782 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4783 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4784 skip_stuff: 4785 SCTP_TCB_UNLOCK(stcb); 4786 break; 4787 } 4788 case SCTP_RESET_ASSOC: 4789 { 4790 int i; 4791 uint32_t *value; 4792 4793 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4794 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4795 if (stcb == NULL) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4797 error = ENOENT; 4798 break; 4799 } 4800 if (stcb->asoc.reconfig_supported == 0) { 4801 /* 4802 * Peer does not support the chunk type. 4803 */ 4804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4805 error = EOPNOTSUPP; 4806 SCTP_TCB_UNLOCK(stcb); 4807 break; 4808 } 4809 if (stcb->asoc.stream_reset_outstanding) { 4810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4811 error = EALREADY; 4812 SCTP_TCB_UNLOCK(stcb); 4813 break; 4814 } 4815 /* 4816 * Is there any data pending in the send or sent 4817 * queues? 4818 */ 4819 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4820 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4821 busy_out: 4822 error = EBUSY; 4823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4824 SCTP_TCB_UNLOCK(stcb); 4825 break; 4826 } 4827 /* Do any streams have data queued? */ 4828 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4829 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4830 goto busy_out; 4831 } 4832 } 4833 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4834 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 case SCTP_CONNECT_X: 4839 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4841 error = EINVAL; 4842 break; 4843 } 4844 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4845 break; 4846 case SCTP_CONNECT_X_DELAYED: 4847 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4849 error = EINVAL; 4850 break; 4851 } 4852 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4853 break; 4854 case SCTP_CONNECT_X_COMPLETE: 4855 { 4856 struct sockaddr *sa; 4857 4858 /* FIXME MT: check correct? */ 4859 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4860 4861 /* find tcb */ 4862 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4863 SCTP_INP_RLOCK(inp); 4864 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4865 if (stcb) { 4866 SCTP_TCB_LOCK(stcb); 4867 } 4868 SCTP_INP_RUNLOCK(inp); 4869 } else { 4870 /* 4871 * We increment here since 4872 * sctp_findassociation_ep_addr() wil do a 4873 * decrement if it finds the stcb as long as 4874 * the locked tcb (last argument) is NOT a 4875 * TCB.. aka NULL. 4876 */ 4877 SCTP_INP_INCR_REF(inp); 4878 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4879 if (stcb == NULL) { 4880 SCTP_INP_DECR_REF(inp); 4881 } 4882 } 4883 4884 if (stcb == NULL) { 4885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4886 error = ENOENT; 4887 break; 4888 } 4889 if (stcb->asoc.delayed_connection == 1) { 4890 stcb->asoc.delayed_connection = 0; 4891 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4892 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4893 stcb->asoc.primary_destination, 4894 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4895 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4896 } else { 4897 /* 4898 * already expired or did not use delayed 4899 * connectx 4900 */ 4901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4902 error = EALREADY; 4903 } 4904 SCTP_TCB_UNLOCK(stcb); 4905 break; 4906 } 4907 case SCTP_MAX_BURST: 4908 { 4909 struct sctp_assoc_value *av; 4910 4911 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4913 4914 if (stcb) { 4915 stcb->asoc.max_burst = av->assoc_value; 4916 SCTP_TCB_UNLOCK(stcb); 4917 } else { 4918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4920 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4921 (av->assoc_id == SCTP_ALL_ASSOC)) { 4922 SCTP_INP_WLOCK(inp); 4923 inp->sctp_ep.max_burst = av->assoc_value; 4924 SCTP_INP_WUNLOCK(inp); 4925 } 4926 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4927 (av->assoc_id == SCTP_ALL_ASSOC)) { 4928 SCTP_INP_RLOCK(inp); 4929 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4930 SCTP_TCB_LOCK(stcb); 4931 stcb->asoc.max_burst = av->assoc_value; 4932 SCTP_TCB_UNLOCK(stcb); 4933 } 4934 SCTP_INP_RUNLOCK(inp); 4935 } 4936 } 4937 break; 4938 } 4939 case SCTP_MAXSEG: 4940 { 4941 struct sctp_assoc_value *av; 4942 int ovh; 4943 4944 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4946 4947 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4948 ovh = SCTP_MED_OVERHEAD; 4949 } else { 4950 ovh = SCTP_MED_V4_OVERHEAD; 4951 } 4952 if (stcb) { 4953 if (av->assoc_value) { 4954 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4955 } else { 4956 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4957 } 4958 SCTP_TCB_UNLOCK(stcb); 4959 } else { 4960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4962 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4963 SCTP_INP_WLOCK(inp); 4964 /* 4965 * FIXME MT: I think this is not in 4966 * tune with the API ID 4967 */ 4968 if (av->assoc_value) { 4969 inp->sctp_frag_point = (av->assoc_value + ovh); 4970 } else { 4971 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4972 } 4973 SCTP_INP_WUNLOCK(inp); 4974 } else { 4975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4976 error = EINVAL; 4977 } 4978 } 4979 break; 4980 } 4981 case SCTP_EVENTS: 4982 { 4983 struct sctp_event_subscribe *events; 4984 4985 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4986 4987 SCTP_INP_WLOCK(inp); 4988 if (events->sctp_data_io_event) { 4989 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4990 } else { 4991 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4992 } 4993 4994 if (events->sctp_association_event) { 4995 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4996 } else { 4997 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4998 } 4999 5000 if (events->sctp_address_event) { 5001 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5002 } else { 5003 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5004 } 5005 5006 if (events->sctp_send_failure_event) { 5007 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5008 } else { 5009 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5010 } 5011 5012 if (events->sctp_peer_error_event) { 5013 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5014 } else { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5016 } 5017 5018 if (events->sctp_shutdown_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5022 } 5023 5024 if (events->sctp_partial_delivery_event) { 5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5026 } else { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5028 } 5029 5030 if (events->sctp_adaptation_layer_event) { 5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5032 } else { 5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5034 } 5035 5036 if (events->sctp_authentication_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5040 } 5041 5042 if (events->sctp_sender_dry_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5046 } 5047 5048 if (events->sctp_stream_reset_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5052 } 5053 SCTP_INP_WUNLOCK(inp); 5054 5055 SCTP_INP_RLOCK(inp); 5056 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5057 SCTP_TCB_LOCK(stcb); 5058 if (events->sctp_association_event) { 5059 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5060 } else { 5061 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5062 } 5063 if (events->sctp_address_event) { 5064 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5065 } else { 5066 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5067 } 5068 if (events->sctp_send_failure_event) { 5069 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5070 } else { 5071 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5072 } 5073 if (events->sctp_peer_error_event) { 5074 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5075 } else { 5076 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5077 } 5078 if (events->sctp_shutdown_event) { 5079 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5080 } else { 5081 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5082 } 5083 if (events->sctp_partial_delivery_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5087 } 5088 if (events->sctp_adaptation_layer_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5092 } 5093 if (events->sctp_authentication_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5097 } 5098 if (events->sctp_sender_dry_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5102 } 5103 if (events->sctp_stream_reset_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5107 } 5108 SCTP_TCB_UNLOCK(stcb); 5109 } 5110 /* 5111 * Send up the sender dry event only for 1-to-1 5112 * style sockets. 5113 */ 5114 if (events->sctp_sender_dry_event) { 5115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5116 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5117 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5118 if (stcb) { 5119 SCTP_TCB_LOCK(stcb); 5120 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5121 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5122 (stcb->asoc.stream_queue_cnt == 0)) { 5123 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5124 } 5125 SCTP_TCB_UNLOCK(stcb); 5126 } 5127 } 5128 } 5129 SCTP_INP_RUNLOCK(inp); 5130 break; 5131 } 5132 case SCTP_ADAPTATION_LAYER: 5133 { 5134 struct sctp_setadaptation *adap_bits; 5135 5136 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5137 SCTP_INP_WLOCK(inp); 5138 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5139 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5140 SCTP_INP_WUNLOCK(inp); 5141 break; 5142 } 5143 #ifdef SCTP_DEBUG 5144 case SCTP_SET_INITIAL_DBG_SEQ: 5145 { 5146 uint32_t *vvv; 5147 5148 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5149 SCTP_INP_WLOCK(inp); 5150 inp->sctp_ep.initial_sequence_debug = *vvv; 5151 SCTP_INP_WUNLOCK(inp); 5152 break; 5153 } 5154 #endif 5155 case SCTP_DEFAULT_SEND_PARAM: 5156 { 5157 struct sctp_sndrcvinfo *s_info; 5158 5159 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5160 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5161 5162 if (stcb) { 5163 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5164 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5165 } else { 5166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5167 error = EINVAL; 5168 } 5169 SCTP_TCB_UNLOCK(stcb); 5170 } else { 5171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5173 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5174 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5175 SCTP_INP_WLOCK(inp); 5176 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5177 SCTP_INP_WUNLOCK(inp); 5178 } 5179 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5180 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5181 SCTP_INP_RLOCK(inp); 5182 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5183 SCTP_TCB_LOCK(stcb); 5184 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5185 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5186 } 5187 SCTP_TCB_UNLOCK(stcb); 5188 } 5189 SCTP_INP_RUNLOCK(inp); 5190 } 5191 } 5192 break; 5193 } 5194 case SCTP_PEER_ADDR_PARAMS: 5195 { 5196 struct sctp_paddrparams *paddrp; 5197 struct sctp_nets *net; 5198 struct sockaddr *addr; 5199 #if defined(INET) && defined(INET6) 5200 struct sockaddr_in sin_store; 5201 #endif 5202 5203 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5204 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5205 5206 #if defined(INET) && defined(INET6) 5207 if (paddrp->spp_address.ss_family == AF_INET6) { 5208 struct sockaddr_in6 *sin6; 5209 5210 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5211 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5212 in6_sin6_2_sin(&sin_store, sin6); 5213 addr = (struct sockaddr *)&sin_store; 5214 } else { 5215 addr = (struct sockaddr *)&paddrp->spp_address; 5216 } 5217 } else { 5218 addr = (struct sockaddr *)&paddrp->spp_address; 5219 } 5220 #else 5221 addr = (struct sockaddr *)&paddrp->spp_address; 5222 #endif 5223 if (stcb != NULL) { 5224 net = sctp_findnet(stcb, addr); 5225 } else { 5226 /* 5227 * We increment here since 5228 * sctp_findassociation_ep_addr() wil do a 5229 * decrement if it finds the stcb as long as 5230 * the locked tcb (last argument) is NOT a 5231 * TCB.. aka NULL. 5232 */ 5233 net = NULL; 5234 SCTP_INP_INCR_REF(inp); 5235 stcb = sctp_findassociation_ep_addr(&inp, addr, 5236 &net, NULL, NULL); 5237 if (stcb == NULL) { 5238 SCTP_INP_DECR_REF(inp); 5239 } 5240 } 5241 if ((stcb != NULL) && (net == NULL)) { 5242 #ifdef INET 5243 if (addr->sa_family == AF_INET) { 5244 5245 struct sockaddr_in *sin; 5246 5247 sin = (struct sockaddr_in *)addr; 5248 if (sin->sin_addr.s_addr != INADDR_ANY) { 5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5250 SCTP_TCB_UNLOCK(stcb); 5251 error = EINVAL; 5252 break; 5253 } 5254 } else 5255 #endif 5256 #ifdef INET6 5257 if (addr->sa_family == AF_INET6) { 5258 struct sockaddr_in6 *sin6; 5259 5260 sin6 = (struct sockaddr_in6 *)addr; 5261 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5263 SCTP_TCB_UNLOCK(stcb); 5264 error = EINVAL; 5265 break; 5266 } 5267 } else 5268 #endif 5269 { 5270 error = EAFNOSUPPORT; 5271 SCTP_TCB_UNLOCK(stcb); 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5273 break; 5274 } 5275 } 5276 /* sanity checks */ 5277 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5278 if (stcb) 5279 SCTP_TCB_UNLOCK(stcb); 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5281 return (EINVAL); 5282 } 5283 5284 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5285 if (stcb) 5286 SCTP_TCB_UNLOCK(stcb); 5287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5288 return (EINVAL); 5289 } 5290 5291 if (stcb != NULL) { 5292 /************************TCB SPECIFIC SET ******************/ 5293 if (net != NULL) { 5294 /************************NET SPECIFIC SET ******************/ 5295 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5296 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5297 !(net->dest_state & SCTP_ADDR_NOHB)) { 5298 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5299 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5300 } 5301 net->dest_state |= SCTP_ADDR_NOHB; 5302 } 5303 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5304 if (paddrp->spp_hbinterval) { 5305 net->heart_beat_delay = paddrp->spp_hbinterval; 5306 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5307 net->heart_beat_delay = 0; 5308 } 5309 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5310 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5311 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5312 net->dest_state &= ~SCTP_ADDR_NOHB; 5313 } 5314 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5315 /* on demand HB */ 5316 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5317 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5318 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5319 } 5320 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5321 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5322 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5323 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5324 } 5325 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5326 net->mtu = paddrp->spp_pathmtu; 5327 switch (net->ro._l_addr.sa.sa_family) { 5328 #ifdef INET 5329 case AF_INET: 5330 net->mtu += SCTP_MIN_V4_OVERHEAD; 5331 break; 5332 #endif 5333 #ifdef INET6 5334 case AF_INET6: 5335 net->mtu += SCTP_MIN_OVERHEAD; 5336 break; 5337 #endif 5338 default: 5339 break; 5340 } 5341 if (net->mtu < stcb->asoc.smallest_mtu) { 5342 sctp_pathmtu_adjustment(stcb, net->mtu); 5343 } 5344 } 5345 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5346 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5347 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5348 } 5349 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5350 } 5351 if (paddrp->spp_pathmaxrxt) { 5352 if (net->dest_state & SCTP_ADDR_PF) { 5353 if (net->error_count > paddrp->spp_pathmaxrxt) { 5354 net->dest_state &= ~SCTP_ADDR_PF; 5355 } 5356 } else { 5357 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5358 (net->error_count > net->pf_threshold)) { 5359 net->dest_state |= SCTP_ADDR_PF; 5360 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5361 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5362 stcb->sctp_ep, stcb, net, 5363 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5364 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5365 } 5366 } 5367 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5368 if (net->error_count > paddrp->spp_pathmaxrxt) { 5369 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5370 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5371 } 5372 } else { 5373 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5374 net->dest_state |= SCTP_ADDR_REACHABLE; 5375 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5376 } 5377 } 5378 net->failure_threshold = paddrp->spp_pathmaxrxt; 5379 } 5380 if (paddrp->spp_flags & SPP_DSCP) { 5381 net->dscp = paddrp->spp_dscp & 0xfc; 5382 net->dscp |= 0x01; 5383 } 5384 #ifdef INET6 5385 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5386 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5387 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5388 net->flowlabel |= 0x80000000; 5389 } 5390 } 5391 #endif 5392 } else { 5393 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5394 if (paddrp->spp_pathmaxrxt != 0) { 5395 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5396 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5397 if (net->dest_state & SCTP_ADDR_PF) { 5398 if (net->error_count > paddrp->spp_pathmaxrxt) { 5399 net->dest_state &= ~SCTP_ADDR_PF; 5400 } 5401 } else { 5402 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5403 (net->error_count > net->pf_threshold)) { 5404 net->dest_state |= SCTP_ADDR_PF; 5405 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5406 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5407 stcb->sctp_ep, stcb, net, 5408 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5409 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5410 } 5411 } 5412 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5413 if (net->error_count > paddrp->spp_pathmaxrxt) { 5414 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5415 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5416 } 5417 } else { 5418 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5419 net->dest_state |= SCTP_ADDR_REACHABLE; 5420 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5421 } 5422 } 5423 net->failure_threshold = paddrp->spp_pathmaxrxt; 5424 } 5425 } 5426 5427 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5428 if (paddrp->spp_hbinterval != 0) { 5429 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5430 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5431 stcb->asoc.heart_beat_delay = 0; 5432 } 5433 /* Turn back on the timer */ 5434 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5435 if (paddrp->spp_hbinterval != 0) { 5436 net->heart_beat_delay = paddrp->spp_hbinterval; 5437 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5438 net->heart_beat_delay = 0; 5439 } 5440 if (net->dest_state & SCTP_ADDR_NOHB) { 5441 net->dest_state &= ~SCTP_ADDR_NOHB; 5442 } 5443 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5444 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5445 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5446 } 5447 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5448 } 5449 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5451 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5452 net->dest_state |= SCTP_ADDR_NOHB; 5453 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5454 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5455 inp, stcb, net, 5456 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5457 } 5458 } 5459 } 5460 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5461 } 5462 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5463 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5464 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5465 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5466 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5467 } 5468 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5469 net->mtu = paddrp->spp_pathmtu; 5470 switch (net->ro._l_addr.sa.sa_family) { 5471 #ifdef INET 5472 case AF_INET: 5473 net->mtu += SCTP_MIN_V4_OVERHEAD; 5474 break; 5475 #endif 5476 #ifdef INET6 5477 case AF_INET6: 5478 net->mtu += SCTP_MIN_OVERHEAD; 5479 break; 5480 #endif 5481 default: 5482 break; 5483 } 5484 if (net->mtu < stcb->asoc.smallest_mtu) { 5485 sctp_pathmtu_adjustment(stcb, net->mtu); 5486 } 5487 } 5488 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5489 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5490 } 5491 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5492 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5493 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5494 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5495 } 5496 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5497 } 5498 stcb->asoc.default_mtu = 0; 5499 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5500 } 5501 if (paddrp->spp_flags & SPP_DSCP) { 5502 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5503 net->dscp = paddrp->spp_dscp & 0xfc; 5504 net->dscp |= 0x01; 5505 } 5506 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5507 stcb->asoc.default_dscp |= 0x01; 5508 } 5509 #ifdef INET6 5510 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5512 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5513 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5514 net->flowlabel |= 0x80000000; 5515 } 5516 } 5517 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5518 stcb->asoc.default_flowlabel |= 0x80000000; 5519 } 5520 #endif 5521 } 5522 SCTP_TCB_UNLOCK(stcb); 5523 } else { 5524 /************************NO TCB, SET TO default stuff ******************/ 5525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5526 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5527 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5528 SCTP_INP_WLOCK(inp); 5529 /* 5530 * For the TOS/FLOWLABEL stuff you 5531 * set it with the options on the 5532 * socket 5533 */ 5534 if (paddrp->spp_pathmaxrxt != 0) { 5535 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5536 } 5537 5538 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5539 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5540 else if (paddrp->spp_hbinterval != 0) { 5541 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5542 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5543 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5544 } 5545 5546 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5547 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5548 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5549 } else if (paddrp->spp_hbinterval) { 5550 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5551 } 5552 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5553 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5554 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5555 } 5556 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5557 inp->sctp_ep.default_mtu = 0; 5558 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5559 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5560 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5561 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5562 } 5563 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5564 } 5565 if (paddrp->spp_flags & SPP_DSCP) { 5566 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5567 inp->sctp_ep.default_dscp |= 0x01; 5568 } 5569 #ifdef INET6 5570 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5571 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5572 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5573 inp->sctp_ep.default_flowlabel |= 0x80000000; 5574 } 5575 } 5576 #endif 5577 SCTP_INP_WUNLOCK(inp); 5578 } else { 5579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5580 error = EINVAL; 5581 } 5582 } 5583 break; 5584 } 5585 case SCTP_RTOINFO: 5586 { 5587 struct sctp_rtoinfo *srto; 5588 uint32_t new_init, new_min, new_max; 5589 5590 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5591 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5592 5593 if (stcb) { 5594 if (srto->srto_initial) 5595 new_init = srto->srto_initial; 5596 else 5597 new_init = stcb->asoc.initial_rto; 5598 if (srto->srto_max) 5599 new_max = srto->srto_max; 5600 else 5601 new_max = stcb->asoc.maxrto; 5602 if (srto->srto_min) 5603 new_min = srto->srto_min; 5604 else 5605 new_min = stcb->asoc.minrto; 5606 if ((new_min <= new_init) && (new_init <= new_max)) { 5607 stcb->asoc.initial_rto = new_init; 5608 stcb->asoc.maxrto = new_max; 5609 stcb->asoc.minrto = new_min; 5610 } else { 5611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5612 error = EINVAL; 5613 } 5614 SCTP_TCB_UNLOCK(stcb); 5615 } else { 5616 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5617 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5618 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5619 SCTP_INP_WLOCK(inp); 5620 if (srto->srto_initial) 5621 new_init = srto->srto_initial; 5622 else 5623 new_init = inp->sctp_ep.initial_rto; 5624 if (srto->srto_max) 5625 new_max = srto->srto_max; 5626 else 5627 new_max = inp->sctp_ep.sctp_maxrto; 5628 if (srto->srto_min) 5629 new_min = srto->srto_min; 5630 else 5631 new_min = inp->sctp_ep.sctp_minrto; 5632 if ((new_min <= new_init) && (new_init <= new_max)) { 5633 inp->sctp_ep.initial_rto = new_init; 5634 inp->sctp_ep.sctp_maxrto = new_max; 5635 inp->sctp_ep.sctp_minrto = new_min; 5636 } else { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 error = EINVAL; 5639 } 5640 SCTP_INP_WUNLOCK(inp); 5641 } else { 5642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5643 error = EINVAL; 5644 } 5645 } 5646 break; 5647 } 5648 case SCTP_ASSOCINFO: 5649 { 5650 struct sctp_assocparams *sasoc; 5651 5652 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5653 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5654 if (sasoc->sasoc_cookie_life) { 5655 /* boundary check the cookie life */ 5656 if (sasoc->sasoc_cookie_life < 1000) 5657 sasoc->sasoc_cookie_life = 1000; 5658 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5659 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5660 } 5661 } 5662 if (stcb) { 5663 if (sasoc->sasoc_asocmaxrxt) 5664 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5665 if (sasoc->sasoc_cookie_life) { 5666 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5667 } 5668 SCTP_TCB_UNLOCK(stcb); 5669 } else { 5670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5671 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5672 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5673 SCTP_INP_WLOCK(inp); 5674 if (sasoc->sasoc_asocmaxrxt) 5675 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5676 if (sasoc->sasoc_cookie_life) { 5677 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5678 } 5679 SCTP_INP_WUNLOCK(inp); 5680 } else { 5681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5682 error = EINVAL; 5683 } 5684 } 5685 break; 5686 } 5687 case SCTP_INITMSG: 5688 { 5689 struct sctp_initmsg *sinit; 5690 5691 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5692 SCTP_INP_WLOCK(inp); 5693 if (sinit->sinit_num_ostreams) 5694 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5695 5696 if (sinit->sinit_max_instreams) 5697 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5698 5699 if (sinit->sinit_max_attempts) 5700 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5701 5702 if (sinit->sinit_max_init_timeo) 5703 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5704 SCTP_INP_WUNLOCK(inp); 5705 break; 5706 } 5707 case SCTP_PRIMARY_ADDR: 5708 { 5709 struct sctp_setprim *spa; 5710 struct sctp_nets *net; 5711 struct sockaddr *addr; 5712 #if defined(INET) && defined(INET6) 5713 struct sockaddr_in sin_store; 5714 #endif 5715 5716 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5717 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5718 5719 #if defined(INET) && defined(INET6) 5720 if (spa->ssp_addr.ss_family == AF_INET6) { 5721 struct sockaddr_in6 *sin6; 5722 5723 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5724 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5725 in6_sin6_2_sin(&sin_store, sin6); 5726 addr = (struct sockaddr *)&sin_store; 5727 } else { 5728 addr = (struct sockaddr *)&spa->ssp_addr; 5729 } 5730 } else { 5731 addr = (struct sockaddr *)&spa->ssp_addr; 5732 } 5733 #else 5734 addr = (struct sockaddr *)&spa->ssp_addr; 5735 #endif 5736 if (stcb != NULL) { 5737 net = sctp_findnet(stcb, addr); 5738 } else { 5739 /* 5740 * We increment here since 5741 * sctp_findassociation_ep_addr() wil do a 5742 * decrement if it finds the stcb as long as 5743 * the locked tcb (last argument) is NOT a 5744 * TCB.. aka NULL. 5745 */ 5746 net = NULL; 5747 SCTP_INP_INCR_REF(inp); 5748 stcb = sctp_findassociation_ep_addr(&inp, addr, 5749 &net, NULL, NULL); 5750 if (stcb == NULL) { 5751 SCTP_INP_DECR_REF(inp); 5752 } 5753 } 5754 5755 if ((stcb != NULL) && (net != NULL)) { 5756 if (net != stcb->asoc.primary_destination) { 5757 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5758 /* Ok we need to set it */ 5759 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5760 if ((stcb->asoc.alternate) && 5761 (!(net->dest_state & SCTP_ADDR_PF)) && 5762 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5763 sctp_free_remote_addr(stcb->asoc.alternate); 5764 stcb->asoc.alternate = NULL; 5765 } 5766 } else { 5767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5768 error = EINVAL; 5769 } 5770 } else { 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5772 error = EINVAL; 5773 } 5774 } 5775 } else { 5776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5777 error = EINVAL; 5778 } 5779 if (stcb != NULL) { 5780 SCTP_TCB_UNLOCK(stcb); 5781 } 5782 break; 5783 } 5784 case SCTP_SET_DYNAMIC_PRIMARY: 5785 { 5786 union sctp_sockstore *ss; 5787 5788 error = priv_check(curthread, 5789 PRIV_NETINET_RESERVEDPORT); 5790 if (error) 5791 break; 5792 5793 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5794 /* SUPER USER CHECK? */ 5795 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5796 break; 5797 } 5798 case SCTP_SET_PEER_PRIMARY_ADDR: 5799 { 5800 struct sctp_setpeerprim *sspp; 5801 struct sockaddr *addr; 5802 #if defined(INET) && defined(INET6) 5803 struct sockaddr_in sin_store; 5804 #endif 5805 5806 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5807 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5808 if (stcb != NULL) { 5809 struct sctp_ifa *ifa; 5810 5811 #if defined(INET) && defined(INET6) 5812 if (sspp->sspp_addr.ss_family == AF_INET6) { 5813 struct sockaddr_in6 *sin6; 5814 5815 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5816 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5817 in6_sin6_2_sin(&sin_store, sin6); 5818 addr = (struct sockaddr *)&sin_store; 5819 } else { 5820 addr = (struct sockaddr *)&sspp->sspp_addr; 5821 } 5822 } else { 5823 addr = (struct sockaddr *)&sspp->sspp_addr; 5824 } 5825 #else 5826 addr = (struct sockaddr *)&sspp->sspp_addr; 5827 #endif 5828 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5829 if (ifa == NULL) { 5830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5831 error = EINVAL; 5832 goto out_of_it; 5833 } 5834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5835 /* 5836 * Must validate the ifa found is in 5837 * our ep 5838 */ 5839 struct sctp_laddr *laddr; 5840 int found = 0; 5841 5842 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5843 if (laddr->ifa == NULL) { 5844 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5845 __func__); 5846 continue; 5847 } 5848 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5849 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5850 continue; 5851 } 5852 if (laddr->ifa == ifa) { 5853 found = 1; 5854 break; 5855 } 5856 } 5857 if (!found) { 5858 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5859 error = EINVAL; 5860 goto out_of_it; 5861 } 5862 } else { 5863 switch (addr->sa_family) { 5864 #ifdef INET 5865 case AF_INET: 5866 { 5867 struct sockaddr_in *sin; 5868 5869 sin = (struct sockaddr_in *)addr; 5870 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5871 &sin->sin_addr) != 0) { 5872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5873 error = EINVAL; 5874 goto out_of_it; 5875 } 5876 break; 5877 } 5878 #endif 5879 #ifdef INET6 5880 case AF_INET6: 5881 { 5882 struct sockaddr_in6 *sin6; 5883 5884 sin6 = (struct sockaddr_in6 *)addr; 5885 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5886 &sin6->sin6_addr) != 0) { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 goto out_of_it; 5890 } 5891 break; 5892 } 5893 #endif 5894 default: 5895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5896 error = EINVAL; 5897 goto out_of_it; 5898 } 5899 } 5900 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5902 error = EINVAL; 5903 } 5904 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5905 out_of_it: 5906 SCTP_TCB_UNLOCK(stcb); 5907 } else { 5908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5909 error = EINVAL; 5910 } 5911 break; 5912 } 5913 case SCTP_BINDX_ADD_ADDR: 5914 { 5915 struct sctp_getaddresses *addrs; 5916 struct thread *td; 5917 5918 td = (struct thread *)p; 5919 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5920 optsize); 5921 #ifdef INET 5922 if (addrs->addr->sa_family == AF_INET) { 5923 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 break; 5927 } 5928 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5929 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5930 break; 5931 } 5932 } else 5933 #endif 5934 #ifdef INET6 5935 if (addrs->addr->sa_family == AF_INET6) { 5936 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5938 error = EINVAL; 5939 break; 5940 } 5941 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5942 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5943 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5944 break; 5945 } 5946 } else 5947 #endif 5948 { 5949 error = EAFNOSUPPORT; 5950 break; 5951 } 5952 sctp_bindx_add_address(so, inp, addrs->addr, 5953 addrs->sget_assoc_id, vrf_id, 5954 &error, p); 5955 break; 5956 } 5957 case SCTP_BINDX_REM_ADDR: 5958 { 5959 struct sctp_getaddresses *addrs; 5960 struct thread *td; 5961 5962 td = (struct thread *)p; 5963 5964 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5965 #ifdef INET 5966 if (addrs->addr->sa_family == AF_INET) { 5967 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5969 error = EINVAL; 5970 break; 5971 } 5972 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5973 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5974 break; 5975 } 5976 } else 5977 #endif 5978 #ifdef INET6 5979 if (addrs->addr->sa_family == AF_INET6) { 5980 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5982 error = EINVAL; 5983 break; 5984 } 5985 if (td != NULL && 5986 (error = prison_local_ip6(td->td_ucred, 5987 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5988 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5989 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5990 break; 5991 } 5992 } else 5993 #endif 5994 { 5995 error = EAFNOSUPPORT; 5996 break; 5997 } 5998 sctp_bindx_delete_address(inp, addrs->addr, 5999 addrs->sget_assoc_id, vrf_id, 6000 &error); 6001 break; 6002 } 6003 case SCTP_EVENT: 6004 { 6005 struct sctp_event *event; 6006 uint32_t event_type; 6007 6008 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6009 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6010 switch (event->se_type) { 6011 case SCTP_ASSOC_CHANGE: 6012 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6013 break; 6014 case SCTP_PEER_ADDR_CHANGE: 6015 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6016 break; 6017 case SCTP_REMOTE_ERROR: 6018 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6019 break; 6020 case SCTP_SEND_FAILED: 6021 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6022 break; 6023 case SCTP_SHUTDOWN_EVENT: 6024 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6025 break; 6026 case SCTP_ADAPTATION_INDICATION: 6027 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6028 break; 6029 case SCTP_PARTIAL_DELIVERY_EVENT: 6030 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6031 break; 6032 case SCTP_AUTHENTICATION_EVENT: 6033 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6034 break; 6035 case SCTP_STREAM_RESET_EVENT: 6036 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6037 break; 6038 case SCTP_SENDER_DRY_EVENT: 6039 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6040 break; 6041 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6042 event_type = 0; 6043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6044 error = ENOTSUP; 6045 break; 6046 case SCTP_ASSOC_RESET_EVENT: 6047 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6048 break; 6049 case SCTP_STREAM_CHANGE_EVENT: 6050 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6051 break; 6052 case SCTP_SEND_FAILED_EVENT: 6053 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6054 break; 6055 default: 6056 event_type = 0; 6057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6058 error = EINVAL; 6059 break; 6060 } 6061 if (event_type > 0) { 6062 if (stcb) { 6063 if (event->se_on) { 6064 sctp_stcb_feature_on(inp, stcb, event_type); 6065 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6066 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6067 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6068 (stcb->asoc.stream_queue_cnt == 0)) { 6069 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6070 } 6071 } 6072 } else { 6073 sctp_stcb_feature_off(inp, stcb, event_type); 6074 } 6075 SCTP_TCB_UNLOCK(stcb); 6076 } else { 6077 /* 6078 * We don't want to send up a storm 6079 * of events, so return an error for 6080 * sender dry events 6081 */ 6082 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6083 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6084 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6085 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6086 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6088 error = ENOTSUP; 6089 break; 6090 } 6091 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6092 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6093 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6094 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6095 SCTP_INP_WLOCK(inp); 6096 if (event->se_on) { 6097 sctp_feature_on(inp, event_type); 6098 } else { 6099 sctp_feature_off(inp, event_type); 6100 } 6101 SCTP_INP_WUNLOCK(inp); 6102 } 6103 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6104 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6105 SCTP_INP_RLOCK(inp); 6106 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6107 SCTP_TCB_LOCK(stcb); 6108 if (event->se_on) { 6109 sctp_stcb_feature_on(inp, stcb, event_type); 6110 } else { 6111 sctp_stcb_feature_off(inp, stcb, event_type); 6112 } 6113 SCTP_TCB_UNLOCK(stcb); 6114 } 6115 SCTP_INP_RUNLOCK(inp); 6116 } 6117 } 6118 } 6119 break; 6120 } 6121 case SCTP_RECVRCVINFO: 6122 { 6123 int *onoff; 6124 6125 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6126 SCTP_INP_WLOCK(inp); 6127 if (*onoff != 0) { 6128 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6129 } else { 6130 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6131 } 6132 SCTP_INP_WUNLOCK(inp); 6133 break; 6134 } 6135 case SCTP_RECVNXTINFO: 6136 { 6137 int *onoff; 6138 6139 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6140 SCTP_INP_WLOCK(inp); 6141 if (*onoff != 0) { 6142 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6143 } else { 6144 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6145 } 6146 SCTP_INP_WUNLOCK(inp); 6147 break; 6148 } 6149 case SCTP_DEFAULT_SNDINFO: 6150 { 6151 struct sctp_sndinfo *info; 6152 uint16_t policy; 6153 6154 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6155 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6156 6157 if (stcb) { 6158 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6159 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6160 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6161 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6162 stcb->asoc.def_send.sinfo_flags |= policy; 6163 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6164 stcb->asoc.def_send.sinfo_context = info->snd_context; 6165 } else { 6166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6167 error = EINVAL; 6168 } 6169 SCTP_TCB_UNLOCK(stcb); 6170 } else { 6171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6173 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6174 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6175 SCTP_INP_WLOCK(inp); 6176 inp->def_send.sinfo_stream = info->snd_sid; 6177 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6178 inp->def_send.sinfo_flags = info->snd_flags; 6179 inp->def_send.sinfo_flags |= policy; 6180 inp->def_send.sinfo_ppid = info->snd_ppid; 6181 inp->def_send.sinfo_context = info->snd_context; 6182 SCTP_INP_WUNLOCK(inp); 6183 } 6184 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6185 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6186 SCTP_INP_RLOCK(inp); 6187 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6188 SCTP_TCB_LOCK(stcb); 6189 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6190 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6191 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6192 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6193 stcb->asoc.def_send.sinfo_flags |= policy; 6194 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6195 stcb->asoc.def_send.sinfo_context = info->snd_context; 6196 } 6197 SCTP_TCB_UNLOCK(stcb); 6198 } 6199 SCTP_INP_RUNLOCK(inp); 6200 } 6201 } 6202 break; 6203 } 6204 case SCTP_DEFAULT_PRINFO: 6205 { 6206 struct sctp_default_prinfo *info; 6207 6208 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6209 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6210 6211 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6213 error = EINVAL; 6214 break; 6215 } 6216 if (stcb) { 6217 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6218 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6219 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6220 SCTP_TCB_UNLOCK(stcb); 6221 } else { 6222 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6223 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6224 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6225 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6226 SCTP_INP_WLOCK(inp); 6227 inp->def_send.sinfo_flags &= 0xfff0; 6228 inp->def_send.sinfo_flags |= info->pr_policy; 6229 inp->def_send.sinfo_timetolive = info->pr_value; 6230 SCTP_INP_WUNLOCK(inp); 6231 } 6232 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6233 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6234 SCTP_INP_RLOCK(inp); 6235 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6236 SCTP_TCB_LOCK(stcb); 6237 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6238 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6239 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6240 SCTP_TCB_UNLOCK(stcb); 6241 } 6242 SCTP_INP_RUNLOCK(inp); 6243 } 6244 } 6245 break; 6246 } 6247 case SCTP_PEER_ADDR_THLDS: 6248 /* Applies to the specific association */ 6249 { 6250 struct sctp_paddrthlds *thlds; 6251 struct sctp_nets *net; 6252 struct sockaddr *addr; 6253 #if defined(INET) && defined(INET6) 6254 struct sockaddr_in sin_store; 6255 #endif 6256 6257 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6258 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6259 6260 #if defined(INET) && defined(INET6) 6261 if (thlds->spt_address.ss_family == AF_INET6) { 6262 struct sockaddr_in6 *sin6; 6263 6264 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6265 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6266 in6_sin6_2_sin(&sin_store, sin6); 6267 addr = (struct sockaddr *)&sin_store; 6268 } else { 6269 addr = (struct sockaddr *)&thlds->spt_address; 6270 } 6271 } else { 6272 addr = (struct sockaddr *)&thlds->spt_address; 6273 } 6274 #else 6275 addr = (struct sockaddr *)&thlds->spt_address; 6276 #endif 6277 if (stcb != NULL) { 6278 net = sctp_findnet(stcb, addr); 6279 } else { 6280 /* 6281 * We increment here since 6282 * sctp_findassociation_ep_addr() wil do a 6283 * decrement if it finds the stcb as long as 6284 * the locked tcb (last argument) is NOT a 6285 * TCB.. aka NULL. 6286 */ 6287 net = NULL; 6288 SCTP_INP_INCR_REF(inp); 6289 stcb = sctp_findassociation_ep_addr(&inp, addr, 6290 &net, NULL, NULL); 6291 if (stcb == NULL) { 6292 SCTP_INP_DECR_REF(inp); 6293 } 6294 } 6295 if ((stcb != NULL) && (net == NULL)) { 6296 #ifdef INET 6297 if (addr->sa_family == AF_INET) { 6298 6299 struct sockaddr_in *sin; 6300 6301 sin = (struct sockaddr_in *)addr; 6302 if (sin->sin_addr.s_addr != INADDR_ANY) { 6303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6304 SCTP_TCB_UNLOCK(stcb); 6305 error = EINVAL; 6306 break; 6307 } 6308 } else 6309 #endif 6310 #ifdef INET6 6311 if (addr->sa_family == AF_INET6) { 6312 struct sockaddr_in6 *sin6; 6313 6314 sin6 = (struct sockaddr_in6 *)addr; 6315 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6317 SCTP_TCB_UNLOCK(stcb); 6318 error = EINVAL; 6319 break; 6320 } 6321 } else 6322 #endif 6323 { 6324 error = EAFNOSUPPORT; 6325 SCTP_TCB_UNLOCK(stcb); 6326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6327 break; 6328 } 6329 } 6330 if (thlds->spt_pathcpthld != 0xffff) { 6331 error = EINVAL; 6332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6333 break; 6334 } 6335 if (stcb != NULL) { 6336 if (net != NULL) { 6337 net->failure_threshold = thlds->spt_pathmaxrxt; 6338 net->pf_threshold = thlds->spt_pathpfthld; 6339 if (net->dest_state & SCTP_ADDR_PF) { 6340 if ((net->error_count > net->failure_threshold) || 6341 (net->error_count <= net->pf_threshold)) { 6342 net->dest_state &= ~SCTP_ADDR_PF; 6343 } 6344 } else { 6345 if ((net->error_count > net->pf_threshold) && 6346 (net->error_count <= net->failure_threshold)) { 6347 net->dest_state |= SCTP_ADDR_PF; 6348 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6349 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6350 stcb->sctp_ep, stcb, net, 6351 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6352 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6353 } 6354 } 6355 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6356 if (net->error_count > net->failure_threshold) { 6357 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6358 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6359 } 6360 } else { 6361 if (net->error_count <= net->failure_threshold) { 6362 net->dest_state |= SCTP_ADDR_REACHABLE; 6363 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6364 } 6365 } 6366 } else { 6367 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6368 net->failure_threshold = thlds->spt_pathmaxrxt; 6369 net->pf_threshold = thlds->spt_pathpfthld; 6370 if (net->dest_state & SCTP_ADDR_PF) { 6371 if ((net->error_count > net->failure_threshold) || 6372 (net->error_count <= net->pf_threshold)) { 6373 net->dest_state &= ~SCTP_ADDR_PF; 6374 } 6375 } else { 6376 if ((net->error_count > net->pf_threshold) && 6377 (net->error_count <= net->failure_threshold)) { 6378 net->dest_state |= SCTP_ADDR_PF; 6379 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6380 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6381 stcb->sctp_ep, stcb, net, 6382 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6383 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6384 } 6385 } 6386 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6387 if (net->error_count > net->failure_threshold) { 6388 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6390 } 6391 } else { 6392 if (net->error_count <= net->failure_threshold) { 6393 net->dest_state |= SCTP_ADDR_REACHABLE; 6394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6395 } 6396 } 6397 } 6398 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6399 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6400 } 6401 SCTP_TCB_UNLOCK(stcb); 6402 } else { 6403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6405 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6406 SCTP_INP_WLOCK(inp); 6407 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6408 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6409 SCTP_INP_WUNLOCK(inp); 6410 } else { 6411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6412 error = EINVAL; 6413 } 6414 } 6415 break; 6416 } 6417 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6418 { 6419 struct sctp_udpencaps *encaps; 6420 struct sctp_nets *net; 6421 struct sockaddr *addr; 6422 #if defined(INET) && defined(INET6) 6423 struct sockaddr_in sin_store; 6424 #endif 6425 6426 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6427 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6428 6429 #if defined(INET) && defined(INET6) 6430 if (encaps->sue_address.ss_family == AF_INET6) { 6431 struct sockaddr_in6 *sin6; 6432 6433 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6434 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6435 in6_sin6_2_sin(&sin_store, sin6); 6436 addr = (struct sockaddr *)&sin_store; 6437 } else { 6438 addr = (struct sockaddr *)&encaps->sue_address; 6439 } 6440 } else { 6441 addr = (struct sockaddr *)&encaps->sue_address; 6442 } 6443 #else 6444 addr = (struct sockaddr *)&encaps->sue_address; 6445 #endif 6446 if (stcb != NULL) { 6447 net = sctp_findnet(stcb, addr); 6448 } else { 6449 /* 6450 * We increment here since 6451 * sctp_findassociation_ep_addr() wil do a 6452 * decrement if it finds the stcb as long as 6453 * the locked tcb (last argument) is NOT a 6454 * TCB.. aka NULL. 6455 */ 6456 net = NULL; 6457 SCTP_INP_INCR_REF(inp); 6458 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6459 if (stcb == NULL) { 6460 SCTP_INP_DECR_REF(inp); 6461 } 6462 } 6463 if ((stcb != NULL) && (net == NULL)) { 6464 #ifdef INET 6465 if (addr->sa_family == AF_INET) { 6466 6467 struct sockaddr_in *sin; 6468 6469 sin = (struct sockaddr_in *)addr; 6470 if (sin->sin_addr.s_addr != INADDR_ANY) { 6471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6472 SCTP_TCB_UNLOCK(stcb); 6473 error = EINVAL; 6474 break; 6475 } 6476 } else 6477 #endif 6478 #ifdef INET6 6479 if (addr->sa_family == AF_INET6) { 6480 struct sockaddr_in6 *sin6; 6481 6482 sin6 = (struct sockaddr_in6 *)addr; 6483 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6485 SCTP_TCB_UNLOCK(stcb); 6486 error = EINVAL; 6487 break; 6488 } 6489 } else 6490 #endif 6491 { 6492 error = EAFNOSUPPORT; 6493 SCTP_TCB_UNLOCK(stcb); 6494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6495 break; 6496 } 6497 } 6498 6499 if (stcb != NULL) { 6500 if (net != NULL) { 6501 net->port = encaps->sue_port; 6502 } else { 6503 stcb->asoc.port = encaps->sue_port; 6504 } 6505 SCTP_TCB_UNLOCK(stcb); 6506 } else { 6507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6509 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6510 SCTP_INP_WLOCK(inp); 6511 inp->sctp_ep.port = encaps->sue_port; 6512 SCTP_INP_WUNLOCK(inp); 6513 } else { 6514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6515 error = EINVAL; 6516 } 6517 } 6518 break; 6519 } 6520 case SCTP_ECN_SUPPORTED: 6521 { 6522 struct sctp_assoc_value *av; 6523 6524 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6525 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6526 6527 if (stcb) { 6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6529 error = EINVAL; 6530 SCTP_TCB_UNLOCK(stcb); 6531 } else { 6532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6534 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6535 SCTP_INP_WLOCK(inp); 6536 if (av->assoc_value == 0) { 6537 inp->ecn_supported = 0; 6538 } else { 6539 inp->ecn_supported = 1; 6540 } 6541 SCTP_INP_WUNLOCK(inp); 6542 } else { 6543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6544 error = EINVAL; 6545 } 6546 } 6547 break; 6548 } 6549 case SCTP_PR_SUPPORTED: 6550 { 6551 struct sctp_assoc_value *av; 6552 6553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6555 6556 if (stcb) { 6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6558 error = EINVAL; 6559 SCTP_TCB_UNLOCK(stcb); 6560 } else { 6561 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6562 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6563 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6564 SCTP_INP_WLOCK(inp); 6565 if (av->assoc_value == 0) { 6566 inp->prsctp_supported = 0; 6567 } else { 6568 inp->prsctp_supported = 1; 6569 } 6570 SCTP_INP_WUNLOCK(inp); 6571 } else { 6572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6573 error = EINVAL; 6574 } 6575 } 6576 break; 6577 } 6578 case SCTP_AUTH_SUPPORTED: 6579 { 6580 struct sctp_assoc_value *av; 6581 6582 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6583 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6584 6585 if (stcb) { 6586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6587 error = EINVAL; 6588 SCTP_TCB_UNLOCK(stcb); 6589 } else { 6590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6592 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6593 if ((av->assoc_value == 0) && 6594 (inp->asconf_supported == 1)) { 6595 /* 6596 * AUTH is required for 6597 * ASCONF 6598 */ 6599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6600 error = EINVAL; 6601 } else { 6602 SCTP_INP_WLOCK(inp); 6603 if (av->assoc_value == 0) { 6604 inp->auth_supported = 0; 6605 } else { 6606 inp->auth_supported = 1; 6607 } 6608 SCTP_INP_WUNLOCK(inp); 6609 } 6610 } else { 6611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6612 error = EINVAL; 6613 } 6614 } 6615 break; 6616 } 6617 case SCTP_ASCONF_SUPPORTED: 6618 { 6619 struct sctp_assoc_value *av; 6620 6621 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6622 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6623 6624 if (stcb) { 6625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6626 error = EINVAL; 6627 SCTP_TCB_UNLOCK(stcb); 6628 } else { 6629 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6630 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6631 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6632 if ((av->assoc_value != 0) && 6633 (inp->auth_supported == 0)) { 6634 /* 6635 * AUTH is required for 6636 * ASCONF 6637 */ 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 } else { 6641 SCTP_INP_WLOCK(inp); 6642 if (av->assoc_value == 0) { 6643 inp->asconf_supported = 0; 6644 sctp_auth_delete_chunk(SCTP_ASCONF, 6645 inp->sctp_ep.local_auth_chunks); 6646 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6647 inp->sctp_ep.local_auth_chunks); 6648 } else { 6649 inp->asconf_supported = 1; 6650 sctp_auth_add_chunk(SCTP_ASCONF, 6651 inp->sctp_ep.local_auth_chunks); 6652 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6653 inp->sctp_ep.local_auth_chunks); 6654 } 6655 SCTP_INP_WUNLOCK(inp); 6656 } 6657 } else { 6658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6659 error = EINVAL; 6660 } 6661 } 6662 break; 6663 } 6664 case SCTP_RECONFIG_SUPPORTED: 6665 { 6666 struct sctp_assoc_value *av; 6667 6668 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6669 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6670 6671 if (stcb) { 6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6673 error = EINVAL; 6674 SCTP_TCB_UNLOCK(stcb); 6675 } else { 6676 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6677 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6678 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6679 SCTP_INP_WLOCK(inp); 6680 if (av->assoc_value == 0) { 6681 inp->reconfig_supported = 0; 6682 } else { 6683 inp->reconfig_supported = 1; 6684 } 6685 SCTP_INP_WUNLOCK(inp); 6686 } else { 6687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6688 error = EINVAL; 6689 } 6690 } 6691 break; 6692 } 6693 case SCTP_NRSACK_SUPPORTED: 6694 { 6695 struct sctp_assoc_value *av; 6696 6697 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6698 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6699 6700 if (stcb) { 6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6702 error = EINVAL; 6703 SCTP_TCB_UNLOCK(stcb); 6704 } else { 6705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6707 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6708 SCTP_INP_WLOCK(inp); 6709 if (av->assoc_value == 0) { 6710 inp->nrsack_supported = 0; 6711 } else { 6712 inp->nrsack_supported = 1; 6713 } 6714 SCTP_INP_WUNLOCK(inp); 6715 } else { 6716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6717 error = EINVAL; 6718 } 6719 } 6720 break; 6721 } 6722 case SCTP_PKTDROP_SUPPORTED: 6723 { 6724 struct sctp_assoc_value *av; 6725 6726 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6727 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6728 6729 if (stcb) { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 error = EINVAL; 6732 SCTP_TCB_UNLOCK(stcb); 6733 } else { 6734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6736 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6737 SCTP_INP_WLOCK(inp); 6738 if (av->assoc_value == 0) { 6739 inp->pktdrop_supported = 0; 6740 } else { 6741 inp->pktdrop_supported = 1; 6742 } 6743 SCTP_INP_WUNLOCK(inp); 6744 } else { 6745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6746 error = EINVAL; 6747 } 6748 } 6749 break; 6750 } 6751 case SCTP_MAX_CWND: 6752 { 6753 struct sctp_assoc_value *av; 6754 struct sctp_nets *net; 6755 6756 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6757 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6758 6759 if (stcb) { 6760 stcb->asoc.max_cwnd = av->assoc_value; 6761 if (stcb->asoc.max_cwnd > 0) { 6762 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6763 if ((net->cwnd > stcb->asoc.max_cwnd) && 6764 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6765 net->cwnd = stcb->asoc.max_cwnd; 6766 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6767 net->cwnd = net->mtu - sizeof(struct sctphdr); 6768 } 6769 } 6770 } 6771 } 6772 SCTP_TCB_UNLOCK(stcb); 6773 } else { 6774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6776 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6777 SCTP_INP_WLOCK(inp); 6778 inp->max_cwnd = av->assoc_value; 6779 SCTP_INP_WUNLOCK(inp); 6780 } else { 6781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6782 error = EINVAL; 6783 } 6784 } 6785 break; 6786 } 6787 default: 6788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6789 error = ENOPROTOOPT; 6790 break; 6791 } /* end switch (opt) */ 6792 return (error); 6793 } 6794 6795 int 6796 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6797 { 6798 void *optval = NULL; 6799 size_t optsize = 0; 6800 void *p; 6801 int error = 0; 6802 struct sctp_inpcb *inp; 6803 6804 if ((sopt->sopt_level == SOL_SOCKET) && 6805 (sopt->sopt_name == SO_SETFIB)) { 6806 inp = (struct sctp_inpcb *)so->so_pcb; 6807 if (inp == NULL) { 6808 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6809 return (EINVAL); 6810 } 6811 SCTP_INP_WLOCK(inp); 6812 inp->fibnum = so->so_fibnum; 6813 SCTP_INP_WUNLOCK(inp); 6814 return (0); 6815 } 6816 if (sopt->sopt_level != IPPROTO_SCTP) { 6817 /* wrong proto level... send back up to IP */ 6818 #ifdef INET6 6819 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6820 error = ip6_ctloutput(so, sopt); 6821 #endif /* INET6 */ 6822 #if defined(INET) && defined(INET6) 6823 else 6824 #endif 6825 #ifdef INET 6826 error = ip_ctloutput(so, sopt); 6827 #endif 6828 return (error); 6829 } 6830 optsize = sopt->sopt_valsize; 6831 if (optsize) { 6832 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6833 if (optval == NULL) { 6834 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6835 return (ENOBUFS); 6836 } 6837 error = sooptcopyin(sopt, optval, optsize, optsize); 6838 if (error) { 6839 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6840 goto out; 6841 } 6842 } 6843 p = (void *)sopt->sopt_td; 6844 if (sopt->sopt_dir == SOPT_SET) { 6845 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6846 } else if (sopt->sopt_dir == SOPT_GET) { 6847 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6848 } else { 6849 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6850 error = EINVAL; 6851 } 6852 if ((error == 0) && (optval != NULL)) { 6853 error = sooptcopyout(sopt, optval, optsize); 6854 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6855 } else if (optval != NULL) { 6856 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6857 } 6858 out: 6859 return (error); 6860 } 6861 6862 #ifdef INET 6863 static int 6864 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6865 { 6866 int error = 0; 6867 int create_lock_on = 0; 6868 uint32_t vrf_id; 6869 struct sctp_inpcb *inp; 6870 struct sctp_tcb *stcb = NULL; 6871 6872 inp = (struct sctp_inpcb *)so->so_pcb; 6873 if (inp == NULL) { 6874 /* I made the same as TCP since we are not setup? */ 6875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6876 return (ECONNRESET); 6877 } 6878 if (addr == NULL) { 6879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6880 return EINVAL; 6881 } 6882 6883 switch (addr->sa_family) { 6884 #ifdef INET6 6885 case AF_INET6: 6886 { 6887 struct sockaddr_in6 *sin6p; 6888 6889 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6891 return (EINVAL); 6892 } 6893 sin6p = (struct sockaddr_in6 *)addr; 6894 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6896 return (error); 6897 } 6898 break; 6899 } 6900 #endif 6901 #ifdef INET 6902 case AF_INET: 6903 { 6904 struct sockaddr_in *sinp; 6905 6906 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6908 return (EINVAL); 6909 } 6910 sinp = (struct sockaddr_in *)addr; 6911 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6913 return (error); 6914 } 6915 break; 6916 } 6917 #endif 6918 default: 6919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6920 return (EAFNOSUPPORT); 6921 } 6922 SCTP_INP_INCR_REF(inp); 6923 SCTP_ASOC_CREATE_LOCK(inp); 6924 create_lock_on = 1; 6925 6926 6927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6928 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6929 /* Should I really unlock ? */ 6930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6931 error = EFAULT; 6932 goto out_now; 6933 } 6934 #ifdef INET6 6935 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6936 (addr->sa_family == AF_INET6)) { 6937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6938 error = EINVAL; 6939 goto out_now; 6940 } 6941 #endif 6942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6943 SCTP_PCB_FLAGS_UNBOUND) { 6944 /* Bind a ephemeral port */ 6945 error = sctp_inpcb_bind(so, NULL, NULL, p); 6946 if (error) { 6947 goto out_now; 6948 } 6949 } 6950 /* Now do we connect? */ 6951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6952 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6954 error = EINVAL; 6955 goto out_now; 6956 } 6957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6958 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6959 /* We are already connected AND the TCP model */ 6960 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6961 error = EADDRINUSE; 6962 goto out_now; 6963 } 6964 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6965 SCTP_INP_RLOCK(inp); 6966 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6967 SCTP_INP_RUNLOCK(inp); 6968 } else { 6969 /* 6970 * We increment here since sctp_findassociation_ep_addr() 6971 * will do a decrement if it finds the stcb as long as the 6972 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6973 */ 6974 SCTP_INP_INCR_REF(inp); 6975 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6976 if (stcb == NULL) { 6977 SCTP_INP_DECR_REF(inp); 6978 } else { 6979 SCTP_TCB_UNLOCK(stcb); 6980 } 6981 } 6982 if (stcb != NULL) { 6983 /* Already have or am bring up an association */ 6984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6985 error = EALREADY; 6986 goto out_now; 6987 } 6988 6989 vrf_id = inp->def_vrf_id; 6990 /* We are GOOD to go */ 6991 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6992 inp->sctp_ep.pre_open_stream_count, 6993 inp->sctp_ep.port, p); 6994 if (stcb == NULL) { 6995 /* Gak! no memory */ 6996 goto out_now; 6997 } 6998 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6999 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7000 /* Set the connected flag so we can queue data */ 7001 soisconnecting(so); 7002 } 7003 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7004 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7005 7006 /* initialize authentication parameters for the assoc */ 7007 sctp_initialize_auth_params(inp, stcb); 7008 7009 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7010 SCTP_TCB_UNLOCK(stcb); 7011 out_now: 7012 if (create_lock_on) { 7013 SCTP_ASOC_CREATE_UNLOCK(inp); 7014 } 7015 7016 SCTP_INP_DECR_REF(inp); 7017 return (error); 7018 } 7019 #endif 7020 7021 int 7022 sctp_listen(struct socket *so, int backlog, struct thread *p) 7023 { 7024 /* 7025 * Note this module depends on the protocol processing being called 7026 * AFTER any socket level flags and backlog are applied to the 7027 * socket. The traditional way that the socket flags are applied is 7028 * AFTER protocol processing. We have made a change to the 7029 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7030 * place if the socket API for SCTP is to work properly. 7031 */ 7032 7033 int error = 0; 7034 struct sctp_inpcb *inp; 7035 7036 inp = (struct sctp_inpcb *)so->so_pcb; 7037 if (inp == NULL) { 7038 /* I made the same as TCP since we are not setup? */ 7039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7040 return (ECONNRESET); 7041 } 7042 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7043 /* See if we have a listener */ 7044 struct sctp_inpcb *tinp; 7045 union sctp_sockstore store; 7046 7047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7048 /* not bound all */ 7049 struct sctp_laddr *laddr; 7050 7051 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7052 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7053 switch (store.sa.sa_family) { 7054 #ifdef INET 7055 case AF_INET: 7056 store.sin.sin_port = inp->sctp_lport; 7057 break; 7058 #endif 7059 #ifdef INET6 7060 case AF_INET6: 7061 store.sin6.sin6_port = inp->sctp_lport; 7062 break; 7063 #endif 7064 default: 7065 break; 7066 } 7067 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7068 if (tinp && (tinp != inp) && 7069 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7070 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7071 (SCTP_IS_LISTENING(tinp))) { 7072 /* 7073 * we have a listener already and 7074 * its not this inp. 7075 */ 7076 SCTP_INP_DECR_REF(tinp); 7077 return (EADDRINUSE); 7078 } else if (tinp) { 7079 SCTP_INP_DECR_REF(tinp); 7080 } 7081 } 7082 } else { 7083 /* Setup a local addr bound all */ 7084 memset(&store, 0, sizeof(store)); 7085 #ifdef INET6 7086 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7087 store.sa.sa_family = AF_INET6; 7088 store.sa.sa_len = sizeof(struct sockaddr_in6); 7089 } 7090 #endif 7091 #ifdef INET 7092 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7093 store.sa.sa_family = AF_INET; 7094 store.sa.sa_len = sizeof(struct sockaddr_in); 7095 } 7096 #endif 7097 switch (store.sa.sa_family) { 7098 #ifdef INET 7099 case AF_INET: 7100 store.sin.sin_port = inp->sctp_lport; 7101 break; 7102 #endif 7103 #ifdef INET6 7104 case AF_INET6: 7105 store.sin6.sin6_port = inp->sctp_lport; 7106 break; 7107 #endif 7108 default: 7109 break; 7110 } 7111 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7112 if (tinp && (tinp != inp) && 7113 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7114 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7115 (SCTP_IS_LISTENING(tinp))) { 7116 /* 7117 * we have a listener already and its not 7118 * this inp. 7119 */ 7120 SCTP_INP_DECR_REF(tinp); 7121 return (EADDRINUSE); 7122 } else if (tinp) { 7123 SCTP_INP_DECR_REF(tinp); 7124 } 7125 } 7126 } 7127 SCTP_INP_RLOCK(inp); 7128 #ifdef SCTP_LOCK_LOGGING 7129 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7130 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7131 } 7132 #endif 7133 SOCK_LOCK(so); 7134 error = solisten_proto_check(so); 7135 SOCK_UNLOCK(so); 7136 if (error) { 7137 SCTP_INP_RUNLOCK(inp); 7138 return (error); 7139 } 7140 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7142 /* 7143 * The unlucky case - We are in the tcp pool with this guy. 7144 * - Someone else is in the main inp slot. - We must move 7145 * this guy (the listener) to the main slot - We must then 7146 * move the guy that was listener to the TCP Pool. 7147 */ 7148 if (sctp_swap_inpcb_for_listen(inp)) { 7149 SCTP_INP_RUNLOCK(inp); 7150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7151 return (EADDRINUSE); 7152 } 7153 } 7154 7155 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7156 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7157 /* We are already connected AND the TCP model */ 7158 SCTP_INP_RUNLOCK(inp); 7159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7160 return (EADDRINUSE); 7161 } 7162 SCTP_INP_RUNLOCK(inp); 7163 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7164 /* We must do a bind. */ 7165 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7166 /* bind error, probably perm */ 7167 return (error); 7168 } 7169 } 7170 SCTP_INP_WLOCK(inp); 7171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7172 SOCK_LOCK(so); 7173 solisten_proto(so, backlog); 7174 SOCK_UNLOCK(so); 7175 } 7176 if (backlog > 0) { 7177 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7178 } else { 7179 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7180 } 7181 SCTP_INP_WUNLOCK(inp); 7182 return (error); 7183 } 7184 7185 static int sctp_defered_wakeup_cnt = 0; 7186 7187 int 7188 sctp_accept(struct socket *so, struct sockaddr **addr) 7189 { 7190 struct sctp_tcb *stcb; 7191 struct sctp_inpcb *inp; 7192 union sctp_sockstore store; 7193 #ifdef INET6 7194 int error; 7195 #endif 7196 inp = (struct sctp_inpcb *)so->so_pcb; 7197 7198 if (inp == NULL) { 7199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7200 return (ECONNRESET); 7201 } 7202 SCTP_INP_RLOCK(inp); 7203 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7204 SCTP_INP_RUNLOCK(inp); 7205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7206 return (EOPNOTSUPP); 7207 } 7208 if (so->so_state & SS_ISDISCONNECTED) { 7209 SCTP_INP_RUNLOCK(inp); 7210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7211 return (ECONNABORTED); 7212 } 7213 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7214 if (stcb == NULL) { 7215 SCTP_INP_RUNLOCK(inp); 7216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7217 return (ECONNRESET); 7218 } 7219 SCTP_TCB_LOCK(stcb); 7220 SCTP_INP_RUNLOCK(inp); 7221 store = stcb->asoc.primary_destination->ro._l_addr; 7222 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7223 SCTP_TCB_UNLOCK(stcb); 7224 switch (store.sa.sa_family) { 7225 #ifdef INET 7226 case AF_INET: 7227 { 7228 struct sockaddr_in *sin; 7229 7230 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7231 if (sin == NULL) 7232 return (ENOMEM); 7233 sin->sin_family = AF_INET; 7234 sin->sin_len = sizeof(*sin); 7235 sin->sin_port = store.sin.sin_port; 7236 sin->sin_addr = store.sin.sin_addr; 7237 *addr = (struct sockaddr *)sin; 7238 break; 7239 } 7240 #endif 7241 #ifdef INET6 7242 case AF_INET6: 7243 { 7244 struct sockaddr_in6 *sin6; 7245 7246 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7247 if (sin6 == NULL) 7248 return (ENOMEM); 7249 sin6->sin6_family = AF_INET6; 7250 sin6->sin6_len = sizeof(*sin6); 7251 sin6->sin6_port = store.sin6.sin6_port; 7252 sin6->sin6_addr = store.sin6.sin6_addr; 7253 if ((error = sa6_recoverscope(sin6)) != 0) { 7254 SCTP_FREE_SONAME(sin6); 7255 return (error); 7256 } 7257 *addr = (struct sockaddr *)sin6; 7258 break; 7259 } 7260 #endif 7261 default: 7262 /* TSNH */ 7263 break; 7264 } 7265 /* Wake any delayed sleep action */ 7266 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7267 SCTP_INP_WLOCK(inp); 7268 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7269 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7270 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7271 SCTP_INP_WUNLOCK(inp); 7272 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7273 if (sowriteable(inp->sctp_socket)) { 7274 sowwakeup_locked(inp->sctp_socket); 7275 } else { 7276 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7277 } 7278 SCTP_INP_WLOCK(inp); 7279 } 7280 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7281 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7282 SCTP_INP_WUNLOCK(inp); 7283 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7284 if (soreadable(inp->sctp_socket)) { 7285 sctp_defered_wakeup_cnt++; 7286 sorwakeup_locked(inp->sctp_socket); 7287 } else { 7288 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7289 } 7290 SCTP_INP_WLOCK(inp); 7291 } 7292 SCTP_INP_WUNLOCK(inp); 7293 } 7294 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7295 SCTP_TCB_LOCK(stcb); 7296 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7297 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7298 } 7299 return (0); 7300 } 7301 7302 #ifdef INET 7303 int 7304 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7305 { 7306 struct sockaddr_in *sin; 7307 uint32_t vrf_id; 7308 struct sctp_inpcb *inp; 7309 struct sctp_ifa *sctp_ifa; 7310 7311 /* 7312 * Do the malloc first in case it blocks. 7313 */ 7314 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7315 if (sin == NULL) 7316 return (ENOMEM); 7317 sin->sin_family = AF_INET; 7318 sin->sin_len = sizeof(*sin); 7319 inp = (struct sctp_inpcb *)so->so_pcb; 7320 if (!inp) { 7321 SCTP_FREE_SONAME(sin); 7322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7323 return (ECONNRESET); 7324 } 7325 SCTP_INP_RLOCK(inp); 7326 sin->sin_port = inp->sctp_lport; 7327 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7328 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7329 struct sctp_tcb *stcb; 7330 struct sockaddr_in *sin_a; 7331 struct sctp_nets *net; 7332 int fnd; 7333 7334 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7335 if (stcb == NULL) { 7336 goto notConn; 7337 } 7338 fnd = 0; 7339 sin_a = NULL; 7340 SCTP_TCB_LOCK(stcb); 7341 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7342 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7343 if (sin_a == NULL) 7344 /* this will make coverity happy */ 7345 continue; 7346 7347 if (sin_a->sin_family == AF_INET) { 7348 fnd = 1; 7349 break; 7350 } 7351 } 7352 if ((!fnd) || (sin_a == NULL)) { 7353 /* punt */ 7354 SCTP_TCB_UNLOCK(stcb); 7355 goto notConn; 7356 } 7357 7358 vrf_id = inp->def_vrf_id; 7359 sctp_ifa = sctp_source_address_selection(inp, 7360 stcb, 7361 (sctp_route_t *)&net->ro, 7362 net, 0, vrf_id); 7363 if (sctp_ifa) { 7364 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7365 sctp_free_ifa(sctp_ifa); 7366 } 7367 SCTP_TCB_UNLOCK(stcb); 7368 } else { 7369 /* For the bound all case you get back 0 */ 7370 notConn: 7371 sin->sin_addr.s_addr = 0; 7372 } 7373 7374 } else { 7375 /* Take the first IPv4 address in the list */ 7376 struct sctp_laddr *laddr; 7377 int fnd = 0; 7378 7379 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7380 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7381 struct sockaddr_in *sin_a; 7382 7383 sin_a = &laddr->ifa->address.sin; 7384 sin->sin_addr = sin_a->sin_addr; 7385 fnd = 1; 7386 break; 7387 } 7388 } 7389 if (!fnd) { 7390 SCTP_FREE_SONAME(sin); 7391 SCTP_INP_RUNLOCK(inp); 7392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7393 return (ENOENT); 7394 } 7395 } 7396 SCTP_INP_RUNLOCK(inp); 7397 (*addr) = (struct sockaddr *)sin; 7398 return (0); 7399 } 7400 7401 int 7402 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7403 { 7404 struct sockaddr_in *sin; 7405 int fnd; 7406 struct sockaddr_in *sin_a; 7407 struct sctp_inpcb *inp; 7408 struct sctp_tcb *stcb; 7409 struct sctp_nets *net; 7410 7411 /* Do the malloc first in case it blocks. */ 7412 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7413 if (sin == NULL) 7414 return (ENOMEM); 7415 sin->sin_family = AF_INET; 7416 sin->sin_len = sizeof(*sin); 7417 7418 inp = (struct sctp_inpcb *)so->so_pcb; 7419 if ((inp == NULL) || 7420 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7421 /* UDP type and listeners will drop out here */ 7422 SCTP_FREE_SONAME(sin); 7423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7424 return (ENOTCONN); 7425 } 7426 SCTP_INP_RLOCK(inp); 7427 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7428 if (stcb) { 7429 SCTP_TCB_LOCK(stcb); 7430 } 7431 SCTP_INP_RUNLOCK(inp); 7432 if (stcb == NULL) { 7433 SCTP_FREE_SONAME(sin); 7434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7435 return (ECONNRESET); 7436 } 7437 fnd = 0; 7438 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7439 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7440 if (sin_a->sin_family == AF_INET) { 7441 fnd = 1; 7442 sin->sin_port = stcb->rport; 7443 sin->sin_addr = sin_a->sin_addr; 7444 break; 7445 } 7446 } 7447 SCTP_TCB_UNLOCK(stcb); 7448 if (!fnd) { 7449 /* No IPv4 address */ 7450 SCTP_FREE_SONAME(sin); 7451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7452 return (ENOENT); 7453 } 7454 (*addr) = (struct sockaddr *)sin; 7455 return (0); 7456 } 7457 7458 struct pr_usrreqs sctp_usrreqs = { 7459 .pru_abort = sctp_abort, 7460 .pru_accept = sctp_accept, 7461 .pru_attach = sctp_attach, 7462 .pru_bind = sctp_bind, 7463 .pru_connect = sctp_connect, 7464 .pru_control = in_control, 7465 .pru_close = sctp_close, 7466 .pru_detach = sctp_close, 7467 .pru_sopoll = sopoll_generic, 7468 .pru_flush = sctp_flush, 7469 .pru_disconnect = sctp_disconnect, 7470 .pru_listen = sctp_listen, 7471 .pru_peeraddr = sctp_peeraddr, 7472 .pru_send = sctp_sendm, 7473 .pru_shutdown = sctp_shutdown, 7474 .pru_sockaddr = sctp_ingetaddr, 7475 .pru_sosend = sctp_sosend, 7476 .pru_soreceive = sctp_soreceive 7477 }; 7478 #endif 7479