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