1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 55 56 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 void 93 sctp_finish(void) 94 { 95 sctp_pcb_finish(); 96 } 97 98 99 100 void 101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102 { 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 chk->sent = SCTP_DATAGRAM_RESEND; 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 chk->rec.data.doing_fast_retransmit = 0; 131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 133 chk->whoTo->flight_size, 134 chk->book_size, 135 (uint32_t) (uintptr_t) chk->whoTo, 136 chk->rec.data.TSN_seq); 137 } 138 /* Clear any time so NO RTT is being done */ 139 chk->do_rtt = 0; 140 } 141 } 142 } 143 } 144 145 #ifdef INET 146 void 147 sctp_notify(struct sctp_inpcb *inp, 148 struct sctp_tcb *stcb, 149 struct sctp_nets *net, 150 uint8_t icmp_type, 151 uint8_t icmp_code, 152 uint16_t ip_len, 153 uint16_t next_mtu) 154 { 155 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 156 struct socket *so; 157 158 #endif 159 int timer_stopped; 160 161 if (icmp_type != ICMP_UNREACH) { 162 /* We only care about unreachable */ 163 SCTP_TCB_UNLOCK(stcb); 164 return; 165 } 166 if ((icmp_code == ICMP_UNREACH_NET) || 167 (icmp_code == ICMP_UNREACH_HOST) || 168 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 169 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 170 (icmp_code == ICMP_UNREACH_ISOLATED) || 171 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 172 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 173 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 174 /* Mark the net unreachable. */ 175 if (net->dest_state & SCTP_ADDR_REACHABLE) { 176 /* OK, that destination is NOT reachable. */ 177 net->dest_state &= ~SCTP_ADDR_REACHABLE; 178 net->dest_state &= ~SCTP_ADDR_PF; 179 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 180 stcb, 0, 181 (void *)net, SCTP_SO_NOT_LOCKED); 182 } 183 SCTP_TCB_UNLOCK(stcb); 184 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 185 (icmp_code == ICMP_UNREACH_PORT)) { 186 /* Treat it like an ABORT. */ 187 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 188 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 189 so = SCTP_INP_SO(inp); 190 atomic_add_int(&stcb->asoc.refcnt, 1); 191 SCTP_TCB_UNLOCK(stcb); 192 SCTP_SOCKET_LOCK(so, 1); 193 SCTP_TCB_LOCK(stcb); 194 atomic_subtract_int(&stcb->asoc.refcnt, 1); 195 #endif 196 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 198 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 199 SCTP_SOCKET_UNLOCK(so, 1); 200 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 201 #endif 202 /* no need to unlock here, since the TCB is gone */ 203 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 204 /* Find the next (smaller) MTU */ 205 if (next_mtu == 0) { 206 /* 207 * Old type router that does not tell us what the 208 * next MTU is. Rats we will have to guess (in a 209 * educated fashion of course). 210 */ 211 next_mtu = sctp_get_prev_mtu(ip_len); 212 } 213 /* Stop the PMTU timer. */ 214 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 215 timer_stopped = 1; 216 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 217 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 218 } else { 219 timer_stopped = 0; 220 } 221 /* Update the path MTU. */ 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 net->mtu -= sizeof(struct udphdr); 226 } 227 } 228 /* Update the association MTU */ 229 if (stcb->asoc.smallest_mtu > next_mtu) { 230 sctp_pathmtu_adjustment(stcb, next_mtu); 231 } 232 /* Finally, start the PMTU timer if it was running before. */ 233 if (timer_stopped) { 234 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 235 } 236 SCTP_TCB_UNLOCK(stcb); 237 } else { 238 SCTP_TCB_UNLOCK(stcb); 239 } 240 } 241 242 void 243 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 244 { 245 struct ip *outer_ip, *inner_ip; 246 struct sctphdr *sh; 247 struct icmp *icmp; 248 struct sctp_inpcb *inp; 249 struct sctp_tcb *stcb; 250 struct sctp_nets *net; 251 struct sctp_init_chunk *ch; 252 struct sockaddr_in src, dst; 253 254 if (sa->sa_family != AF_INET || 255 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 256 return; 257 } 258 if (PRC_IS_REDIRECT(cmd)) { 259 vip = NULL; 260 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 261 return; 262 } 263 if (vip != NULL) { 264 inner_ip = (struct ip *)vip; 265 icmp = (struct icmp *)((caddr_t)inner_ip - 266 (sizeof(struct icmp) - sizeof(struct ip))); 267 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 268 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 269 memset(&src, 0, sizeof(struct sockaddr_in)); 270 src.sin_family = AF_INET; 271 src.sin_len = sizeof(struct sockaddr_in); 272 src.sin_port = sh->src_port; 273 src.sin_addr = inner_ip->ip_src; 274 memset(&dst, 0, sizeof(struct sockaddr_in)); 275 dst.sin_family = AF_INET; 276 dst.sin_len = sizeof(struct sockaddr_in); 277 dst.sin_port = sh->dest_port; 278 dst.sin_addr = inner_ip->ip_dst; 279 /* 280 * 'dst' holds the dest of the packet that failed to be 281 * sent. 'src' holds our local endpoint address. Thus we 282 * reverse the dst and the src in the lookup. 283 */ 284 inp = NULL; 285 net = NULL; 286 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 287 (struct sockaddr *)&src, 288 &inp, &net, 1, 289 SCTP_DEFAULT_VRFID); 290 if ((stcb != NULL) && 291 (net != NULL) && 292 (inp != NULL) && 293 (inp->sctp_socket != NULL)) { 294 /* Check the verification tag */ 295 if (ntohl(sh->v_tag) != 0) { 296 /* 297 * This must be the verification tag used 298 * for sending out packets. We don't 299 * consider packets reflecting the 300 * verification tag. 301 */ 302 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 303 SCTP_TCB_UNLOCK(stcb); 304 return; 305 } 306 } else { 307 if (ntohs(outer_ip->ip_len) >= 308 sizeof(struct ip) + 309 8 + (inner_ip->ip_hl << 2) + 20) { 310 /* 311 * In this case we can check if we 312 * got an INIT chunk and if the 313 * initiate tag matches. 314 */ 315 ch = (struct sctp_init_chunk *)(sh + 1); 316 if ((ch->ch.chunk_type != SCTP_INITIATION) || 317 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 318 SCTP_TCB_UNLOCK(stcb); 319 return; 320 } 321 } else { 322 SCTP_TCB_UNLOCK(stcb); 323 return; 324 } 325 } 326 sctp_notify(inp, stcb, net, 327 icmp->icmp_type, 328 icmp->icmp_code, 329 ntohs(inner_ip->ip_len), 330 ntohs(icmp->icmp_nextmtu)); 331 } else { 332 if ((stcb == NULL) && (inp != NULL)) { 333 /* reduce ref-count */ 334 SCTP_INP_WLOCK(inp); 335 SCTP_INP_DECR_REF(inp); 336 SCTP_INP_WUNLOCK(inp); 337 } 338 if (stcb) { 339 SCTP_TCB_UNLOCK(stcb); 340 } 341 } 342 } 343 return; 344 } 345 346 #endif 347 348 static int 349 sctp_getcred(SYSCTL_HANDLER_ARGS) 350 { 351 struct xucred xuc; 352 struct sockaddr_in addrs[2]; 353 struct sctp_inpcb *inp; 354 struct sctp_nets *net; 355 struct sctp_tcb *stcb; 356 int error; 357 uint32_t vrf_id; 358 359 /* FIX, for non-bsd is this right? */ 360 vrf_id = SCTP_DEFAULT_VRFID; 361 362 error = priv_check(req->td, PRIV_NETINET_GETCRED); 363 364 if (error) 365 return (error); 366 367 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 368 if (error) 369 return (error); 370 371 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 372 sintosa(&addrs[0]), 373 &inp, &net, 1, vrf_id); 374 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 375 if ((inp != NULL) && (stcb == NULL)) { 376 /* reduce ref-count */ 377 SCTP_INP_WLOCK(inp); 378 SCTP_INP_DECR_REF(inp); 379 goto cred_can_cont; 380 } 381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 382 error = ENOENT; 383 goto out; 384 } 385 SCTP_TCB_UNLOCK(stcb); 386 /* 387 * We use the write lock here, only since in the error leg we need 388 * it. If we used RLOCK, then we would have to 389 * wlock/decr/unlock/rlock. Which in theory could create a hole. 390 * Better to use higher wlock. 391 */ 392 SCTP_INP_WLOCK(inp); 393 cred_can_cont: 394 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 395 if (error) { 396 SCTP_INP_WUNLOCK(inp); 397 goto out; 398 } 399 cru2x(inp->sctp_socket->so_cred, &xuc); 400 SCTP_INP_WUNLOCK(inp); 401 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 402 out: 403 return (error); 404 } 405 406 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 407 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 408 409 410 #ifdef INET 411 static void 412 sctp_abort(struct socket *so) 413 { 414 struct sctp_inpcb *inp; 415 uint32_t flags; 416 417 inp = (struct sctp_inpcb *)so->so_pcb; 418 if (inp == NULL) { 419 return; 420 } 421 sctp_must_try_again: 422 flags = inp->sctp_flags; 423 #ifdef SCTP_LOG_CLOSING 424 sctp_log_closing(inp, NULL, 17); 425 #endif 426 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 427 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 428 #ifdef SCTP_LOG_CLOSING 429 sctp_log_closing(inp, NULL, 16); 430 #endif 431 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 432 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 433 SOCK_LOCK(so); 434 SCTP_SB_CLEAR(so->so_snd); 435 /* 436 * same for the rcv ones, they are only here for the 437 * accounting/select. 438 */ 439 SCTP_SB_CLEAR(so->so_rcv); 440 441 /* Now null out the reference, we are completely detached. */ 442 so->so_pcb = NULL; 443 SOCK_UNLOCK(so); 444 } else { 445 flags = inp->sctp_flags; 446 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 447 goto sctp_must_try_again; 448 } 449 } 450 return; 451 } 452 453 static int 454 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 455 { 456 struct sctp_inpcb *inp; 457 struct inpcb *ip_inp; 458 int error; 459 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 460 461 inp = (struct sctp_inpcb *)so->so_pcb; 462 if (inp != NULL) { 463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 464 return (EINVAL); 465 } 466 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 467 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 468 if (error) { 469 return (error); 470 } 471 } 472 error = sctp_inpcb_alloc(so, vrf_id); 473 if (error) { 474 return (error); 475 } 476 inp = (struct sctp_inpcb *)so->so_pcb; 477 SCTP_INP_WLOCK(inp); 478 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 479 ip_inp = &inp->ip_inp.inp; 480 ip_inp->inp_vflag |= INP_IPV4; 481 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 482 SCTP_INP_WUNLOCK(inp); 483 return (0); 484 } 485 486 static int 487 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 488 { 489 struct sctp_inpcb *inp; 490 491 inp = (struct sctp_inpcb *)so->so_pcb; 492 if (inp == NULL) { 493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 494 return (EINVAL); 495 } 496 if (addr != NULL) { 497 if ((addr->sa_family != AF_INET) || 498 (addr->sa_len != sizeof(struct sockaddr_in))) { 499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 500 return (EINVAL); 501 } 502 } 503 return (sctp_inpcb_bind(so, addr, NULL, p)); 504 } 505 506 #endif 507 void 508 sctp_close(struct socket *so) 509 { 510 struct sctp_inpcb *inp; 511 uint32_t flags; 512 513 inp = (struct sctp_inpcb *)so->so_pcb; 514 if (inp == NULL) 515 return; 516 517 /* 518 * Inform all the lower layer assoc that we are done. 519 */ 520 sctp_must_try_again: 521 flags = inp->sctp_flags; 522 #ifdef SCTP_LOG_CLOSING 523 sctp_log_closing(inp, NULL, 17); 524 #endif 525 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 526 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 527 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 528 (so->so_rcv.sb_cc > 0)) { 529 #ifdef SCTP_LOG_CLOSING 530 sctp_log_closing(inp, NULL, 13); 531 #endif 532 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 533 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 534 } else { 535 #ifdef SCTP_LOG_CLOSING 536 sctp_log_closing(inp, NULL, 14); 537 #endif 538 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 539 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 540 } 541 /* 542 * The socket is now detached, no matter what the state of 543 * the SCTP association. 544 */ 545 SOCK_LOCK(so); 546 SCTP_SB_CLEAR(so->so_snd); 547 /* 548 * same for the rcv ones, they are only here for the 549 * accounting/select. 550 */ 551 SCTP_SB_CLEAR(so->so_rcv); 552 553 /* Now null out the reference, we are completely detached. */ 554 so->so_pcb = NULL; 555 SOCK_UNLOCK(so); 556 } else { 557 flags = inp->sctp_flags; 558 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 559 goto sctp_must_try_again; 560 } 561 } 562 return; 563 } 564 565 566 int 567 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 568 struct mbuf *control, struct thread *p); 569 570 571 int 572 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 573 struct mbuf *control, struct thread *p) 574 { 575 struct sctp_inpcb *inp; 576 int error; 577 578 inp = (struct sctp_inpcb *)so->so_pcb; 579 if (inp == NULL) { 580 if (control) { 581 sctp_m_freem(control); 582 control = NULL; 583 } 584 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 585 sctp_m_freem(m); 586 return (EINVAL); 587 } 588 /* Got to have an to address if we are NOT a connected socket */ 589 if ((addr == NULL) && 590 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 591 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 592 goto connected_type; 593 } else if (addr == NULL) { 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 595 error = EDESTADDRREQ; 596 sctp_m_freem(m); 597 if (control) { 598 sctp_m_freem(control); 599 control = NULL; 600 } 601 return (error); 602 } 603 #ifdef INET6 604 if (addr->sa_family != AF_INET) { 605 /* must be a v4 address! */ 606 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 607 sctp_m_freem(m); 608 if (control) { 609 sctp_m_freem(control); 610 control = NULL; 611 } 612 error = EDESTADDRREQ; 613 return (error); 614 } 615 #endif /* INET6 */ 616 connected_type: 617 /* now what about control */ 618 if (control) { 619 if (inp->control) { 620 SCTP_PRINTF("huh? control set?\n"); 621 sctp_m_freem(inp->control); 622 inp->control = NULL; 623 } 624 inp->control = control; 625 } 626 /* Place the data */ 627 if (inp->pkt) { 628 SCTP_BUF_NEXT(inp->pkt_last) = m; 629 inp->pkt_last = m; 630 } else { 631 inp->pkt_last = inp->pkt = m; 632 } 633 if ( 634 /* FreeBSD uses a flag passed */ 635 ((flags & PRUS_MORETOCOME) == 0) 636 ) { 637 /* 638 * note with the current version this code will only be used 639 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 640 * re-defining sosend to use the sctp_sosend. One can 641 * optionally switch back to this code (by changing back the 642 * definitions) but this is not advisable. This code is used 643 * by FreeBSD when sending a file with sendfile() though. 644 */ 645 int ret; 646 647 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 648 inp->pkt = NULL; 649 inp->control = NULL; 650 return (ret); 651 } else { 652 return (0); 653 } 654 } 655 656 int 657 sctp_disconnect(struct socket *so) 658 { 659 struct sctp_inpcb *inp; 660 661 inp = (struct sctp_inpcb *)so->so_pcb; 662 if (inp == NULL) { 663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 664 return (ENOTCONN); 665 } 666 SCTP_INP_RLOCK(inp); 667 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 668 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 669 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 670 /* No connection */ 671 SCTP_INP_RUNLOCK(inp); 672 return (0); 673 } else { 674 struct sctp_association *asoc; 675 struct sctp_tcb *stcb; 676 677 stcb = LIST_FIRST(&inp->sctp_asoc_list); 678 if (stcb == NULL) { 679 SCTP_INP_RUNLOCK(inp); 680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 681 return (EINVAL); 682 } 683 SCTP_TCB_LOCK(stcb); 684 asoc = &stcb->asoc; 685 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 686 /* We are about to be freed, out of here */ 687 SCTP_TCB_UNLOCK(stcb); 688 SCTP_INP_RUNLOCK(inp); 689 return (0); 690 } 691 if (((so->so_options & SO_LINGER) && 692 (so->so_linger == 0)) || 693 (so->so_rcv.sb_cc > 0)) { 694 if (SCTP_GET_STATE(asoc) != 695 SCTP_STATE_COOKIE_WAIT) { 696 /* Left with Data unread */ 697 struct mbuf *err; 698 699 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 700 if (err) { 701 /* 702 * Fill in the user 703 * initiated abort 704 */ 705 struct sctp_paramhdr *ph; 706 707 ph = mtod(err, struct sctp_paramhdr *); 708 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 709 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 710 ph->param_length = htons(SCTP_BUF_LEN(err)); 711 } 712 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 713 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 714 } 715 SCTP_INP_RUNLOCK(inp); 716 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 717 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 718 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 719 } 720 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 721 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 722 /* No unlock tcb assoc is gone */ 723 return (0); 724 } 725 if (TAILQ_EMPTY(&asoc->send_queue) && 726 TAILQ_EMPTY(&asoc->sent_queue) && 727 (asoc->stream_queue_cnt == 0)) { 728 /* there is nothing queued to send, so done */ 729 if (asoc->locked_on_sending) { 730 goto abort_anyway; 731 } 732 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 733 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 734 /* only send SHUTDOWN 1st time thru */ 735 struct sctp_nets *netp; 736 737 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 738 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 739 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 740 } 741 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 742 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 743 sctp_stop_timers_for_shutdown(stcb); 744 if (stcb->asoc.alternate) { 745 netp = stcb->asoc.alternate; 746 } else { 747 netp = stcb->asoc.primary_destination; 748 } 749 sctp_send_shutdown(stcb, netp); 750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 751 stcb->sctp_ep, stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 753 stcb->sctp_ep, stcb, netp); 754 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 755 } 756 } else { 757 /* 758 * we still got (or just got) data to send, 759 * so set SHUTDOWN_PENDING 760 */ 761 /* 762 * XXX sockets draft says that SCTP_EOF 763 * should be sent with no data. currently, 764 * we will allow user data to be sent first 765 * and move to SHUTDOWN-PENDING 766 */ 767 struct sctp_nets *netp; 768 769 if (stcb->asoc.alternate) { 770 netp = stcb->asoc.alternate; 771 } else { 772 netp = stcb->asoc.primary_destination; 773 } 774 775 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 776 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 777 netp); 778 if (asoc->locked_on_sending) { 779 /* Locked to send out the data */ 780 struct sctp_stream_queue_pending *sp; 781 782 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 783 if (sp == NULL) { 784 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 785 asoc->locked_on_sending->stream_no); 786 } else { 787 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 788 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 789 } 790 } 791 if (TAILQ_EMPTY(&asoc->send_queue) && 792 TAILQ_EMPTY(&asoc->sent_queue) && 793 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 794 struct mbuf *op_err; 795 796 abort_anyway: 797 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 798 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 799 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 800 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 801 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 802 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 803 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 804 } 805 SCTP_INP_RUNLOCK(inp); 806 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 807 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 808 return (0); 809 } else { 810 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 811 } 812 } 813 soisdisconnecting(so); 814 SCTP_TCB_UNLOCK(stcb); 815 SCTP_INP_RUNLOCK(inp); 816 return (0); 817 } 818 /* not reached */ 819 } else { 820 /* UDP model does not support this */ 821 SCTP_INP_RUNLOCK(inp); 822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 823 return (EOPNOTSUPP); 824 } 825 } 826 827 int 828 sctp_flush(struct socket *so, int how) 829 { 830 /* 831 * We will just clear out the values and let subsequent close clear 832 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 833 * they will not be able to read the data, the socket will block 834 * that from happening. 835 */ 836 struct sctp_inpcb *inp; 837 838 inp = (struct sctp_inpcb *)so->so_pcb; 839 if (inp == NULL) { 840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 841 return (EINVAL); 842 } 843 SCTP_INP_RLOCK(inp); 844 /* For the 1 to many model this does nothing */ 845 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 846 SCTP_INP_RUNLOCK(inp); 847 return (0); 848 } 849 SCTP_INP_RUNLOCK(inp); 850 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 851 /* 852 * First make sure the sb will be happy, we don't use these 853 * except maybe the count 854 */ 855 SCTP_INP_WLOCK(inp); 856 SCTP_INP_READ_LOCK(inp); 857 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 858 SCTP_INP_READ_UNLOCK(inp); 859 SCTP_INP_WUNLOCK(inp); 860 so->so_rcv.sb_cc = 0; 861 so->so_rcv.sb_mbcnt = 0; 862 so->so_rcv.sb_mb = NULL; 863 } 864 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 865 /* 866 * First make sure the sb will be happy, we don't use these 867 * except maybe the count 868 */ 869 so->so_snd.sb_cc = 0; 870 so->so_snd.sb_mbcnt = 0; 871 so->so_snd.sb_mb = NULL; 872 873 } 874 return (0); 875 } 876 877 int 878 sctp_shutdown(struct socket *so) 879 { 880 struct sctp_inpcb *inp; 881 882 inp = (struct sctp_inpcb *)so->so_pcb; 883 if (inp == NULL) { 884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 885 return (EINVAL); 886 } 887 SCTP_INP_RLOCK(inp); 888 /* For UDP model this is a invalid call */ 889 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 890 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 891 /* Restore the flags that the soshutdown took away. */ 892 SOCKBUF_LOCK(&so->so_rcv); 893 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 894 SOCKBUF_UNLOCK(&so->so_rcv); 895 /* This proc will wakeup for read and do nothing (I hope) */ 896 SCTP_INP_RUNLOCK(inp); 897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 898 return (EOPNOTSUPP); 899 } else { 900 /* 901 * Ok, if we reach here its the TCP model and it is either a 902 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 903 * against it. 904 */ 905 struct sctp_tcb *stcb; 906 struct sctp_association *asoc; 907 struct sctp_nets *netp; 908 909 if ((so->so_state & 910 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 911 SCTP_INP_RUNLOCK(inp); 912 return (ENOTCONN); 913 } 914 socantsendmore(so); 915 916 stcb = LIST_FIRST(&inp->sctp_asoc_list); 917 if (stcb == NULL) { 918 /* 919 * Ok, we hit the case that the shutdown call was 920 * made after an abort or something. Nothing to do 921 * now. 922 */ 923 SCTP_INP_RUNLOCK(inp); 924 return (0); 925 } 926 SCTP_TCB_LOCK(stcb); 927 asoc = &stcb->asoc; 928 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 929 SCTP_TCB_UNLOCK(stcb); 930 SCTP_INP_RUNLOCK(inp); 931 return (0); 932 } 933 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 934 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 935 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 936 /* 937 * If we are not in or before ESTABLISHED, there is 938 * no protocol action required. 939 */ 940 SCTP_TCB_UNLOCK(stcb); 941 SCTP_INP_RUNLOCK(inp); 942 return (0); 943 } 944 if (stcb->asoc.alternate) { 945 netp = stcb->asoc.alternate; 946 } else { 947 netp = stcb->asoc.primary_destination; 948 } 949 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 950 TAILQ_EMPTY(&asoc->send_queue) && 951 TAILQ_EMPTY(&asoc->sent_queue) && 952 (asoc->stream_queue_cnt == 0)) { 953 if (asoc->locked_on_sending) { 954 goto abort_anyway; 955 } 956 /* there is nothing queued to send, so I'm done... */ 957 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 958 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 959 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 960 sctp_stop_timers_for_shutdown(stcb); 961 sctp_send_shutdown(stcb, netp); 962 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 963 stcb->sctp_ep, stcb, netp); 964 } else { 965 /* 966 * We still got (or just got) data to send, so set 967 * SHUTDOWN_PENDING. 968 */ 969 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 970 if (asoc->locked_on_sending) { 971 /* Locked to send out the data */ 972 struct sctp_stream_queue_pending *sp; 973 974 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 975 if (sp == NULL) { 976 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 977 asoc->locked_on_sending->stream_no); 978 } else { 979 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 980 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 981 } 982 } 983 } 984 if (TAILQ_EMPTY(&asoc->send_queue) && 985 TAILQ_EMPTY(&asoc->sent_queue) && 986 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 987 struct mbuf *op_err; 988 989 abort_anyway: 990 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 991 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 992 sctp_abort_an_association(stcb->sctp_ep, stcb, 993 op_err, SCTP_SO_LOCKED); 994 SCTP_INP_RUNLOCK(inp); 995 return (0); 996 } 997 } 998 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 999 /* 1000 * XXX: Why do this in the case where we have still data 1001 * queued? 1002 */ 1003 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1004 SCTP_TCB_UNLOCK(stcb); 1005 SCTP_INP_RUNLOCK(inp); 1006 return (0); 1007 } 1008 } 1009 1010 /* 1011 * copies a "user" presentable address and removes embedded scope, etc. 1012 * returns 0 on success, 1 on error 1013 */ 1014 static uint32_t 1015 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1016 { 1017 #ifdef INET6 1018 struct sockaddr_in6 lsa6; 1019 1020 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1021 &lsa6); 1022 #endif 1023 memcpy(ss, sa, sa->sa_len); 1024 return (0); 1025 } 1026 1027 1028 1029 /* 1030 * NOTE: assumes addr lock is held 1031 */ 1032 static size_t 1033 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1034 struct sctp_tcb *stcb, 1035 size_t limit, 1036 struct sockaddr_storage *sas, 1037 uint32_t vrf_id) 1038 { 1039 struct sctp_ifn *sctp_ifn; 1040 struct sctp_ifa *sctp_ifa; 1041 size_t actual; 1042 int loopback_scope; 1043 1044 #if defined(INET) 1045 int ipv4_local_scope, ipv4_addr_legal; 1046 1047 #endif 1048 #if defined(INET6) 1049 int local_scope, site_scope, ipv6_addr_legal; 1050 1051 #endif 1052 struct sctp_vrf *vrf; 1053 1054 actual = 0; 1055 if (limit <= 0) 1056 return (actual); 1057 1058 if (stcb) { 1059 /* Turn on all the appropriate scope */ 1060 loopback_scope = stcb->asoc.scope.loopback_scope; 1061 #if defined(INET) 1062 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1063 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1064 #endif 1065 #if defined(INET6) 1066 local_scope = stcb->asoc.scope.local_scope; 1067 site_scope = stcb->asoc.scope.site_scope; 1068 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1069 #endif 1070 } else { 1071 /* Use generic values for endpoints. */ 1072 loopback_scope = 1; 1073 #if defined(INET) 1074 ipv4_local_scope = 1; 1075 #endif 1076 #if defined(INET6) 1077 local_scope = 1; 1078 site_scope = 1; 1079 #endif 1080 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1081 #if defined(INET6) 1082 ipv6_addr_legal = 1; 1083 #endif 1084 #if defined(INET) 1085 if (SCTP_IPV6_V6ONLY(inp)) { 1086 ipv4_addr_legal = 0; 1087 } else { 1088 ipv4_addr_legal = 1; 1089 } 1090 #endif 1091 } else { 1092 #if defined(INET6) 1093 ipv6_addr_legal = 0; 1094 #endif 1095 #if defined(INET) 1096 ipv4_addr_legal = 1; 1097 #endif 1098 } 1099 } 1100 vrf = sctp_find_vrf(vrf_id); 1101 if (vrf == NULL) { 1102 return (0); 1103 } 1104 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1105 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1106 if ((loopback_scope == 0) && 1107 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1108 /* Skip loopback if loopback_scope not set */ 1109 continue; 1110 } 1111 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1112 if (stcb) { 1113 /* 1114 * For the BOUND-ALL case, the list 1115 * associated with a TCB is Always 1116 * considered a reverse list.. i.e. 1117 * it lists addresses that are NOT 1118 * part of the association. If this 1119 * is one of those we must skip it. 1120 */ 1121 if (sctp_is_addr_restricted(stcb, 1122 sctp_ifa)) { 1123 continue; 1124 } 1125 } 1126 switch (sctp_ifa->address.sa.sa_family) { 1127 #ifdef INET 1128 case AF_INET: 1129 if (ipv4_addr_legal) { 1130 struct sockaddr_in *sin; 1131 1132 sin = &sctp_ifa->address.sin; 1133 if (sin->sin_addr.s_addr == 0) { 1134 /* 1135 * we skip 1136 * unspecifed 1137 * addresses 1138 */ 1139 continue; 1140 } 1141 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1142 &sin->sin_addr) != 0) { 1143 continue; 1144 } 1145 if ((ipv4_local_scope == 0) && 1146 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1147 continue; 1148 } 1149 #ifdef INET6 1150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1151 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1152 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1153 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1154 actual += sizeof(struct sockaddr_in6); 1155 } else { 1156 #endif 1157 memcpy(sas, sin, sizeof(*sin)); 1158 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1159 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1160 actual += sizeof(*sin); 1161 #ifdef INET6 1162 } 1163 #endif 1164 if (actual >= limit) { 1165 return (actual); 1166 } 1167 } else { 1168 continue; 1169 } 1170 break; 1171 #endif 1172 #ifdef INET6 1173 case AF_INET6: 1174 if (ipv6_addr_legal) { 1175 struct sockaddr_in6 *sin6; 1176 1177 sin6 = &sctp_ifa->address.sin6; 1178 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1179 /* 1180 * we skip 1181 * unspecifed 1182 * addresses 1183 */ 1184 continue; 1185 } 1186 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1187 &sin6->sin6_addr) != 0) { 1188 continue; 1189 } 1190 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1191 if (local_scope == 0) 1192 continue; 1193 if (sin6->sin6_scope_id == 0) { 1194 if (sa6_recoverscope(sin6) != 0) 1195 /* 1196 * 1197 * bad 1198 * 1199 * li 1200 * nk 1201 * 1202 * loc 1203 * al 1204 * 1205 * add 1206 * re 1207 * ss 1208 * */ 1209 continue; 1210 } 1211 } 1212 if ((site_scope == 0) && 1213 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1214 continue; 1215 } 1216 memcpy(sas, sin6, sizeof(*sin6)); 1217 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1218 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1219 actual += sizeof(*sin6); 1220 if (actual >= limit) { 1221 return (actual); 1222 } 1223 } else { 1224 continue; 1225 } 1226 break; 1227 #endif 1228 default: 1229 /* TSNH */ 1230 break; 1231 } 1232 } 1233 } 1234 } else { 1235 struct sctp_laddr *laddr; 1236 1237 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1238 if (stcb) { 1239 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1240 continue; 1241 } 1242 } 1243 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1244 continue; 1245 switch (laddr->ifa->address.sa.sa_family) { 1246 #ifdef INET 1247 case AF_INET: 1248 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1249 break; 1250 #endif 1251 #ifdef INET6 1252 case AF_INET6: 1253 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1254 break; 1255 #endif 1256 default: 1257 /* TSNH */ 1258 break; 1259 } 1260 sas = (struct sockaddr_storage *)((caddr_t)sas + 1261 laddr->ifa->address.sa.sa_len); 1262 actual += laddr->ifa->address.sa.sa_len; 1263 if (actual >= limit) { 1264 return (actual); 1265 } 1266 } 1267 } 1268 return (actual); 1269 } 1270 1271 static size_t 1272 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1273 struct sctp_tcb *stcb, 1274 size_t limit, 1275 struct sockaddr_storage *sas) 1276 { 1277 size_t size = 0; 1278 1279 SCTP_IPI_ADDR_RLOCK(); 1280 /* fill up addresses for the endpoint's default vrf */ 1281 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1282 inp->def_vrf_id); 1283 SCTP_IPI_ADDR_RUNLOCK(); 1284 return (size); 1285 } 1286 1287 /* 1288 * NOTE: assumes addr lock is held 1289 */ 1290 static int 1291 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1292 { 1293 int cnt = 0; 1294 struct sctp_vrf *vrf = NULL; 1295 1296 /* 1297 * In both sub-set bound an bound_all cases we return the MAXIMUM 1298 * number of addresses that you COULD get. In reality the sub-set 1299 * bound may have an exclusion list for a given TCB OR in the 1300 * bound-all case a TCB may NOT include the loopback or other 1301 * addresses as well. 1302 */ 1303 vrf = sctp_find_vrf(vrf_id); 1304 if (vrf == NULL) { 1305 return (0); 1306 } 1307 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1308 struct sctp_ifn *sctp_ifn; 1309 struct sctp_ifa *sctp_ifa; 1310 1311 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1312 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1313 /* Count them if they are the right type */ 1314 switch (sctp_ifa->address.sa.sa_family) { 1315 #ifdef INET 1316 case AF_INET: 1317 #ifdef INET6 1318 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1319 cnt += sizeof(struct sockaddr_in6); 1320 else 1321 cnt += sizeof(struct sockaddr_in); 1322 #else 1323 cnt += sizeof(struct sockaddr_in); 1324 #endif 1325 break; 1326 #endif 1327 #ifdef INET6 1328 case AF_INET6: 1329 cnt += sizeof(struct sockaddr_in6); 1330 break; 1331 #endif 1332 default: 1333 break; 1334 } 1335 } 1336 } 1337 } else { 1338 struct sctp_laddr *laddr; 1339 1340 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1341 switch (laddr->ifa->address.sa.sa_family) { 1342 #ifdef INET 1343 case AF_INET: 1344 #ifdef INET6 1345 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1346 cnt += sizeof(struct sockaddr_in6); 1347 else 1348 cnt += sizeof(struct sockaddr_in); 1349 #else 1350 cnt += sizeof(struct sockaddr_in); 1351 #endif 1352 break; 1353 #endif 1354 #ifdef INET6 1355 case AF_INET6: 1356 cnt += sizeof(struct sockaddr_in6); 1357 break; 1358 #endif 1359 default: 1360 break; 1361 } 1362 } 1363 } 1364 return (cnt); 1365 } 1366 1367 static int 1368 sctp_count_max_addresses(struct sctp_inpcb *inp) 1369 { 1370 int cnt = 0; 1371 1372 SCTP_IPI_ADDR_RLOCK(); 1373 /* count addresses for the endpoint's default VRF */ 1374 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1375 SCTP_IPI_ADDR_RUNLOCK(); 1376 return (cnt); 1377 } 1378 1379 static int 1380 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1381 size_t optsize, void *p, int delay) 1382 { 1383 int error = 0; 1384 int creat_lock_on = 0; 1385 struct sctp_tcb *stcb = NULL; 1386 struct sockaddr *sa; 1387 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1388 uint32_t vrf_id; 1389 int bad_addresses = 0; 1390 sctp_assoc_t *a_id; 1391 1392 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1393 1394 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1395 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1396 /* We are already connected AND the TCP model */ 1397 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1398 return (EADDRINUSE); 1399 } 1400 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1401 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1402 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1403 return (EINVAL); 1404 } 1405 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1406 SCTP_INP_RLOCK(inp); 1407 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1408 SCTP_INP_RUNLOCK(inp); 1409 } 1410 if (stcb) { 1411 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1412 return (EALREADY); 1413 } 1414 SCTP_INP_INCR_REF(inp); 1415 SCTP_ASOC_CREATE_LOCK(inp); 1416 creat_lock_on = 1; 1417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1418 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1419 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1420 error = EFAULT; 1421 goto out_now; 1422 } 1423 totaddrp = (unsigned int *)optval; 1424 totaddr = *totaddrp; 1425 sa = (struct sockaddr *)(totaddrp + 1); 1426 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1427 if ((stcb != NULL) || bad_addresses) { 1428 /* Already have or am bring up an association */ 1429 SCTP_ASOC_CREATE_UNLOCK(inp); 1430 creat_lock_on = 0; 1431 if (stcb) 1432 SCTP_TCB_UNLOCK(stcb); 1433 if (bad_addresses == 0) { 1434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1435 error = EALREADY; 1436 } 1437 goto out_now; 1438 } 1439 #ifdef INET6 1440 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1441 (num_v6 > 0)) { 1442 error = EINVAL; 1443 goto out_now; 1444 } 1445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1446 (num_v4 > 0)) { 1447 struct in6pcb *inp6; 1448 1449 inp6 = (struct in6pcb *)inp; 1450 if (SCTP_IPV6_V6ONLY(inp6)) { 1451 /* 1452 * if IPV6_V6ONLY flag, ignore connections destined 1453 * to a v4 addr or v4-mapped addr 1454 */ 1455 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1456 error = EINVAL; 1457 goto out_now; 1458 } 1459 } 1460 #endif /* INET6 */ 1461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1462 SCTP_PCB_FLAGS_UNBOUND) { 1463 /* Bind a ephemeral port */ 1464 error = sctp_inpcb_bind(so, NULL, NULL, p); 1465 if (error) { 1466 goto out_now; 1467 } 1468 } 1469 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1470 vrf_id = inp->def_vrf_id; 1471 1472 1473 /* We are GOOD to go */ 1474 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1475 inp->sctp_ep.pre_open_stream_count, 1476 (struct thread *)p 1477 ); 1478 if (stcb == NULL) { 1479 /* Gak! no memory */ 1480 goto out_now; 1481 } 1482 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1483 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1484 /* Set the connected flag so we can queue data */ 1485 soisconnecting(so); 1486 } 1487 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1488 /* move to second address */ 1489 switch (sa->sa_family) { 1490 #ifdef INET 1491 case AF_INET: 1492 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1493 break; 1494 #endif 1495 #ifdef INET6 1496 case AF_INET6: 1497 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1498 break; 1499 #endif 1500 default: 1501 break; 1502 } 1503 1504 error = 0; 1505 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1506 /* Fill in the return id */ 1507 if (error) { 1508 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1509 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1510 goto out_now; 1511 } 1512 a_id = (sctp_assoc_t *) optval; 1513 *a_id = sctp_get_associd(stcb); 1514 1515 /* initialize authentication parameters for the assoc */ 1516 sctp_initialize_auth_params(inp, stcb); 1517 1518 if (delay) { 1519 /* doing delayed connection */ 1520 stcb->asoc.delayed_connection = 1; 1521 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1522 } else { 1523 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1524 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1525 } 1526 SCTP_TCB_UNLOCK(stcb); 1527 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1528 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1529 /* Set the connected flag so we can queue data */ 1530 soisconnecting(so); 1531 } 1532 out_now: 1533 if (creat_lock_on) { 1534 SCTP_ASOC_CREATE_UNLOCK(inp); 1535 } 1536 SCTP_INP_DECR_REF(inp); 1537 return (error); 1538 } 1539 1540 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1543 SCTP_INP_RLOCK(inp); \ 1544 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1545 if (stcb) { \ 1546 SCTP_TCB_LOCK(stcb); \ 1547 } \ 1548 SCTP_INP_RUNLOCK(inp); \ 1549 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1550 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1551 if (stcb == NULL) { \ 1552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1553 error = ENOENT; \ 1554 break; \ 1555 } \ 1556 } else { \ 1557 stcb = NULL; \ 1558 } \ 1559 } 1560 1561 1562 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1563 if (size < sizeof(type)) { \ 1564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1565 error = EINVAL; \ 1566 break; \ 1567 } else { \ 1568 destp = (type *)srcp; \ 1569 } \ 1570 } 1571 1572 static int 1573 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1574 void *p) 1575 { 1576 struct sctp_inpcb *inp = NULL; 1577 int error, val = 0; 1578 struct sctp_tcb *stcb = NULL; 1579 1580 if (optval == NULL) { 1581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1582 return (EINVAL); 1583 } 1584 inp = (struct sctp_inpcb *)so->so_pcb; 1585 if (inp == NULL) { 1586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1587 return EINVAL; 1588 } 1589 error = 0; 1590 1591 switch (optname) { 1592 case SCTP_NODELAY: 1593 case SCTP_AUTOCLOSE: 1594 case SCTP_EXPLICIT_EOR: 1595 case SCTP_AUTO_ASCONF: 1596 case SCTP_DISABLE_FRAGMENTS: 1597 case SCTP_I_WANT_MAPPED_V4_ADDR: 1598 case SCTP_USE_EXT_RCVINFO: 1599 SCTP_INP_RLOCK(inp); 1600 switch (optname) { 1601 case SCTP_DISABLE_FRAGMENTS: 1602 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1603 break; 1604 case SCTP_I_WANT_MAPPED_V4_ADDR: 1605 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1606 break; 1607 case SCTP_AUTO_ASCONF: 1608 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1609 /* only valid for bound all sockets */ 1610 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1611 } else { 1612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1613 error = EINVAL; 1614 goto flags_out; 1615 } 1616 break; 1617 case SCTP_EXPLICIT_EOR: 1618 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1619 break; 1620 case SCTP_NODELAY: 1621 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1622 break; 1623 case SCTP_USE_EXT_RCVINFO: 1624 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1625 break; 1626 case SCTP_AUTOCLOSE: 1627 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1628 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1629 else 1630 val = 0; 1631 break; 1632 1633 default: 1634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1635 error = ENOPROTOOPT; 1636 } /* end switch (sopt->sopt_name) */ 1637 if (*optsize < sizeof(val)) { 1638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1639 error = EINVAL; 1640 } 1641 flags_out: 1642 SCTP_INP_RUNLOCK(inp); 1643 if (error == 0) { 1644 /* return the option value */ 1645 *(int *)optval = val; 1646 *optsize = sizeof(val); 1647 } 1648 break; 1649 case SCTP_GET_PACKET_LOG: 1650 { 1651 #ifdef SCTP_PACKET_LOGGING 1652 uint8_t *target; 1653 int ret; 1654 1655 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1656 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1657 *optsize = ret; 1658 #else 1659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1660 error = EOPNOTSUPP; 1661 #endif 1662 break; 1663 } 1664 case SCTP_REUSE_PORT: 1665 { 1666 uint32_t *value; 1667 1668 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1669 /* Can't do this for a 1-m socket */ 1670 error = EINVAL; 1671 break; 1672 } 1673 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1674 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1675 *optsize = sizeof(uint32_t); 1676 break; 1677 } 1678 case SCTP_PARTIAL_DELIVERY_POINT: 1679 { 1680 uint32_t *value; 1681 1682 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1683 *value = inp->partial_delivery_point; 1684 *optsize = sizeof(uint32_t); 1685 break; 1686 } 1687 case SCTP_FRAGMENT_INTERLEAVE: 1688 { 1689 uint32_t *value; 1690 1691 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1692 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1693 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1694 *value = SCTP_FRAG_LEVEL_2; 1695 } else { 1696 *value = SCTP_FRAG_LEVEL_1; 1697 } 1698 } else { 1699 *value = SCTP_FRAG_LEVEL_0; 1700 } 1701 *optsize = sizeof(uint32_t); 1702 break; 1703 } 1704 case SCTP_INTERLEAVING_SUPPORTED: 1705 { 1706 struct sctp_assoc_value *av; 1707 1708 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1709 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1710 1711 if (stcb) { 1712 av->assoc_value = stcb->asoc.idata_supported; 1713 SCTP_TCB_UNLOCK(stcb); 1714 } else { 1715 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1716 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1717 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1718 SCTP_INP_RLOCK(inp); 1719 if (inp->idata_supported) { 1720 av->assoc_value = 1; 1721 } else { 1722 av->assoc_value = 0; 1723 } 1724 SCTP_INP_RUNLOCK(inp); 1725 } else { 1726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1727 error = EINVAL; 1728 } 1729 } 1730 if (error == 0) { 1731 *optsize = sizeof(struct sctp_assoc_value); 1732 } 1733 break; 1734 } 1735 case SCTP_CMT_ON_OFF: 1736 { 1737 struct sctp_assoc_value *av; 1738 1739 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1740 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1741 if (stcb) { 1742 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1743 SCTP_TCB_UNLOCK(stcb); 1744 } else { 1745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1747 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1748 SCTP_INP_RLOCK(inp); 1749 av->assoc_value = inp->sctp_cmt_on_off; 1750 SCTP_INP_RUNLOCK(inp); 1751 } else { 1752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1753 error = EINVAL; 1754 } 1755 } 1756 if (error == 0) { 1757 *optsize = sizeof(struct sctp_assoc_value); 1758 } 1759 break; 1760 } 1761 case SCTP_PLUGGABLE_CC: 1762 { 1763 struct sctp_assoc_value *av; 1764 1765 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1766 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1767 if (stcb) { 1768 av->assoc_value = stcb->asoc.congestion_control_module; 1769 SCTP_TCB_UNLOCK(stcb); 1770 } else { 1771 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1772 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1773 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1774 SCTP_INP_RLOCK(inp); 1775 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1776 SCTP_INP_RUNLOCK(inp); 1777 } else { 1778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1779 error = EINVAL; 1780 } 1781 } 1782 if (error == 0) { 1783 *optsize = sizeof(struct sctp_assoc_value); 1784 } 1785 break; 1786 } 1787 case SCTP_CC_OPTION: 1788 { 1789 struct sctp_cc_option *cc_opt; 1790 1791 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1792 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1793 if (stcb == NULL) { 1794 error = EINVAL; 1795 } else { 1796 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1797 error = ENOTSUP; 1798 } else { 1799 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1800 *optsize = sizeof(struct sctp_cc_option); 1801 } 1802 SCTP_TCB_UNLOCK(stcb); 1803 } 1804 break; 1805 } 1806 case SCTP_PLUGGABLE_SS: 1807 { 1808 struct sctp_assoc_value *av; 1809 1810 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1811 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1812 if (stcb) { 1813 av->assoc_value = stcb->asoc.stream_scheduling_module; 1814 SCTP_TCB_UNLOCK(stcb); 1815 } else { 1816 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1817 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1818 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1819 SCTP_INP_RLOCK(inp); 1820 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1821 SCTP_INP_RUNLOCK(inp); 1822 } else { 1823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1824 error = EINVAL; 1825 } 1826 } 1827 if (error == 0) { 1828 *optsize = sizeof(struct sctp_assoc_value); 1829 } 1830 break; 1831 } 1832 case SCTP_SS_VALUE: 1833 { 1834 struct sctp_stream_value *av; 1835 1836 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1837 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1838 if (stcb) { 1839 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1840 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1841 &av->stream_value) < 0)) { 1842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1843 error = EINVAL; 1844 } else { 1845 *optsize = sizeof(struct sctp_stream_value); 1846 } 1847 SCTP_TCB_UNLOCK(stcb); 1848 } else { 1849 /* 1850 * Can't get stream value without 1851 * association 1852 */ 1853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1854 error = EINVAL; 1855 } 1856 break; 1857 } 1858 case SCTP_GET_ADDR_LEN: 1859 { 1860 struct sctp_assoc_value *av; 1861 1862 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1863 error = EINVAL; 1864 #ifdef INET 1865 if (av->assoc_value == AF_INET) { 1866 av->assoc_value = sizeof(struct sockaddr_in); 1867 error = 0; 1868 } 1869 #endif 1870 #ifdef INET6 1871 if (av->assoc_value == AF_INET6) { 1872 av->assoc_value = sizeof(struct sockaddr_in6); 1873 error = 0; 1874 } 1875 #endif 1876 if (error) { 1877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1878 } else { 1879 *optsize = sizeof(struct sctp_assoc_value); 1880 } 1881 break; 1882 } 1883 case SCTP_GET_ASSOC_NUMBER: 1884 { 1885 uint32_t *value, cnt; 1886 1887 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1888 SCTP_INP_RLOCK(inp); 1889 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1890 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1891 /* Can't do this for a 1-1 socket */ 1892 error = EINVAL; 1893 SCTP_INP_RUNLOCK(inp); 1894 break; 1895 } 1896 cnt = 0; 1897 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1898 cnt++; 1899 } 1900 SCTP_INP_RUNLOCK(inp); 1901 *value = cnt; 1902 *optsize = sizeof(uint32_t); 1903 break; 1904 } 1905 case SCTP_GET_ASSOC_ID_LIST: 1906 { 1907 struct sctp_assoc_ids *ids; 1908 uint32_t at; 1909 size_t limit; 1910 1911 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1912 SCTP_INP_RLOCK(inp); 1913 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1914 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1915 /* Can't do this for a 1-1 socket */ 1916 error = EINVAL; 1917 SCTP_INP_RUNLOCK(inp); 1918 break; 1919 } 1920 at = 0; 1921 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1922 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1923 if (at < limit) { 1924 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1925 if (at == 0) { 1926 error = EINVAL; 1927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1928 break; 1929 } 1930 } else { 1931 error = EINVAL; 1932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1933 break; 1934 } 1935 } 1936 SCTP_INP_RUNLOCK(inp); 1937 if (error == 0) { 1938 ids->gaids_number_of_ids = at; 1939 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1940 } 1941 break; 1942 } 1943 case SCTP_CONTEXT: 1944 { 1945 struct sctp_assoc_value *av; 1946 1947 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1948 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1949 1950 if (stcb) { 1951 av->assoc_value = stcb->asoc.context; 1952 SCTP_TCB_UNLOCK(stcb); 1953 } else { 1954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1955 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1956 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1957 SCTP_INP_RLOCK(inp); 1958 av->assoc_value = inp->sctp_context; 1959 SCTP_INP_RUNLOCK(inp); 1960 } else { 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1962 error = EINVAL; 1963 } 1964 } 1965 if (error == 0) { 1966 *optsize = sizeof(struct sctp_assoc_value); 1967 } 1968 break; 1969 } 1970 case SCTP_VRF_ID: 1971 { 1972 uint32_t *default_vrfid; 1973 1974 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1975 *default_vrfid = inp->def_vrf_id; 1976 *optsize = sizeof(uint32_t); 1977 break; 1978 } 1979 case SCTP_GET_ASOC_VRF: 1980 { 1981 struct sctp_assoc_value *id; 1982 1983 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1984 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1985 if (stcb == NULL) { 1986 error = EINVAL; 1987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1988 } else { 1989 id->assoc_value = stcb->asoc.vrf_id; 1990 *optsize = sizeof(struct sctp_assoc_value); 1991 } 1992 break; 1993 } 1994 case SCTP_GET_VRF_IDS: 1995 { 1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1997 error = EOPNOTSUPP; 1998 break; 1999 } 2000 case SCTP_GET_NONCE_VALUES: 2001 { 2002 struct sctp_get_nonce_values *gnv; 2003 2004 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2005 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2006 2007 if (stcb) { 2008 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2009 gnv->gn_local_tag = stcb->asoc.my_vtag; 2010 SCTP_TCB_UNLOCK(stcb); 2011 *optsize = sizeof(struct sctp_get_nonce_values); 2012 } else { 2013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2014 error = ENOTCONN; 2015 } 2016 break; 2017 } 2018 case SCTP_DELAYED_SACK: 2019 { 2020 struct sctp_sack_info *sack; 2021 2022 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2023 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2024 if (stcb) { 2025 sack->sack_delay = stcb->asoc.delayed_ack; 2026 sack->sack_freq = stcb->asoc.sack_freq; 2027 SCTP_TCB_UNLOCK(stcb); 2028 } else { 2029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2030 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2031 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2032 SCTP_INP_RLOCK(inp); 2033 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2034 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2035 SCTP_INP_RUNLOCK(inp); 2036 } else { 2037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2038 error = EINVAL; 2039 } 2040 } 2041 if (error == 0) { 2042 *optsize = sizeof(struct sctp_sack_info); 2043 } 2044 break; 2045 } 2046 case SCTP_GET_SNDBUF_USE: 2047 { 2048 struct sctp_sockstat *ss; 2049 2050 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2051 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2052 2053 if (stcb) { 2054 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2055 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2056 stcb->asoc.size_on_all_streams); 2057 SCTP_TCB_UNLOCK(stcb); 2058 *optsize = sizeof(struct sctp_sockstat); 2059 } else { 2060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2061 error = ENOTCONN; 2062 } 2063 break; 2064 } 2065 case SCTP_MAX_BURST: 2066 { 2067 struct sctp_assoc_value *av; 2068 2069 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2070 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2071 2072 if (stcb) { 2073 av->assoc_value = stcb->asoc.max_burst; 2074 SCTP_TCB_UNLOCK(stcb); 2075 } else { 2076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2078 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2079 SCTP_INP_RLOCK(inp); 2080 av->assoc_value = inp->sctp_ep.max_burst; 2081 SCTP_INP_RUNLOCK(inp); 2082 } else { 2083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2084 error = EINVAL; 2085 } 2086 } 2087 if (error == 0) { 2088 *optsize = sizeof(struct sctp_assoc_value); 2089 } 2090 break; 2091 } 2092 case SCTP_MAXSEG: 2093 { 2094 struct sctp_assoc_value *av; 2095 int ovh; 2096 2097 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2098 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2099 2100 if (stcb) { 2101 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2102 SCTP_TCB_UNLOCK(stcb); 2103 } else { 2104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2105 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2106 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2107 SCTP_INP_RLOCK(inp); 2108 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2109 ovh = SCTP_MED_OVERHEAD; 2110 } else { 2111 ovh = SCTP_MED_V4_OVERHEAD; 2112 } 2113 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2114 av->assoc_value = 0; 2115 else 2116 av->assoc_value = inp->sctp_frag_point - ovh; 2117 SCTP_INP_RUNLOCK(inp); 2118 } else { 2119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2120 error = EINVAL; 2121 } 2122 } 2123 if (error == 0) { 2124 *optsize = sizeof(struct sctp_assoc_value); 2125 } 2126 break; 2127 } 2128 case SCTP_GET_STAT_LOG: 2129 error = sctp_fill_stat_log(optval, optsize); 2130 break; 2131 case SCTP_EVENTS: 2132 { 2133 struct sctp_event_subscribe *events; 2134 2135 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2136 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2137 SCTP_INP_RLOCK(inp); 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2139 events->sctp_data_io_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2142 events->sctp_association_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2145 events->sctp_address_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2148 events->sctp_send_failure_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2151 events->sctp_peer_error_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2154 events->sctp_shutdown_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2157 events->sctp_partial_delivery_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2160 events->sctp_adaptation_layer_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2163 events->sctp_authentication_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2166 events->sctp_sender_dry_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2169 events->sctp_stream_reset_event = 1; 2170 SCTP_INP_RUNLOCK(inp); 2171 *optsize = sizeof(struct sctp_event_subscribe); 2172 break; 2173 } 2174 case SCTP_ADAPTATION_LAYER: 2175 { 2176 uint32_t *value; 2177 2178 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2179 2180 SCTP_INP_RLOCK(inp); 2181 *value = inp->sctp_ep.adaptation_layer_indicator; 2182 SCTP_INP_RUNLOCK(inp); 2183 *optsize = sizeof(uint32_t); 2184 break; 2185 } 2186 case SCTP_SET_INITIAL_DBG_SEQ: 2187 { 2188 uint32_t *value; 2189 2190 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2191 SCTP_INP_RLOCK(inp); 2192 *value = inp->sctp_ep.initial_sequence_debug; 2193 SCTP_INP_RUNLOCK(inp); 2194 *optsize = sizeof(uint32_t); 2195 break; 2196 } 2197 case SCTP_GET_LOCAL_ADDR_SIZE: 2198 { 2199 uint32_t *value; 2200 2201 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2202 SCTP_INP_RLOCK(inp); 2203 *value = sctp_count_max_addresses(inp); 2204 SCTP_INP_RUNLOCK(inp); 2205 *optsize = sizeof(uint32_t); 2206 break; 2207 } 2208 case SCTP_GET_REMOTE_ADDR_SIZE: 2209 { 2210 uint32_t *value; 2211 size_t size; 2212 struct sctp_nets *net; 2213 2214 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2215 /* FIXME MT: change to sctp_assoc_value? */ 2216 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2217 2218 if (stcb) { 2219 size = 0; 2220 /* Count the sizes */ 2221 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2222 switch (net->ro._l_addr.sa.sa_family) { 2223 #ifdef INET 2224 case AF_INET: 2225 #ifdef INET6 2226 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2227 size += sizeof(struct sockaddr_in6); 2228 } else { 2229 size += sizeof(struct sockaddr_in); 2230 } 2231 #else 2232 size += sizeof(struct sockaddr_in); 2233 #endif 2234 break; 2235 #endif 2236 #ifdef INET6 2237 case AF_INET6: 2238 size += sizeof(struct sockaddr_in6); 2239 break; 2240 #endif 2241 default: 2242 break; 2243 } 2244 } 2245 SCTP_TCB_UNLOCK(stcb); 2246 *value = (uint32_t) size; 2247 *optsize = sizeof(uint32_t); 2248 } else { 2249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2250 error = ENOTCONN; 2251 } 2252 break; 2253 } 2254 case SCTP_GET_PEER_ADDRESSES: 2255 /* 2256 * Get the address information, an array is passed in to 2257 * fill up we pack it. 2258 */ 2259 { 2260 size_t cpsz, left; 2261 struct sockaddr_storage *sas; 2262 struct sctp_nets *net; 2263 struct sctp_getaddresses *saddr; 2264 2265 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2266 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2267 2268 if (stcb) { 2269 left = (*optsize) - sizeof(struct sctp_getaddresses); 2270 *optsize = sizeof(struct sctp_getaddresses); 2271 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2272 2273 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2274 switch (net->ro._l_addr.sa.sa_family) { 2275 #ifdef INET 2276 case AF_INET: 2277 #ifdef INET6 2278 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2279 cpsz = sizeof(struct sockaddr_in6); 2280 } else { 2281 cpsz = sizeof(struct sockaddr_in); 2282 } 2283 #else 2284 cpsz = sizeof(struct sockaddr_in); 2285 #endif 2286 break; 2287 #endif 2288 #ifdef INET6 2289 case AF_INET6: 2290 cpsz = sizeof(struct sockaddr_in6); 2291 break; 2292 #endif 2293 default: 2294 cpsz = 0; 2295 break; 2296 } 2297 if (cpsz == 0) { 2298 break; 2299 } 2300 if (left < cpsz) { 2301 /* not enough room. */ 2302 break; 2303 } 2304 #if defined(INET) && defined(INET6) 2305 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2306 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2307 /* Must map the address */ 2308 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2309 (struct sockaddr_in6 *)sas); 2310 } else { 2311 memcpy(sas, &net->ro._l_addr, cpsz); 2312 } 2313 #else 2314 memcpy(sas, &net->ro._l_addr, cpsz); 2315 #endif 2316 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2317 2318 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2319 left -= cpsz; 2320 *optsize += cpsz; 2321 } 2322 SCTP_TCB_UNLOCK(stcb); 2323 } else { 2324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2325 error = ENOENT; 2326 } 2327 break; 2328 } 2329 case SCTP_GET_LOCAL_ADDRESSES: 2330 { 2331 size_t limit, actual; 2332 struct sockaddr_storage *sas; 2333 struct sctp_getaddresses *saddr; 2334 2335 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2336 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2337 2338 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2339 limit = *optsize - sizeof(sctp_assoc_t); 2340 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2341 if (stcb) { 2342 SCTP_TCB_UNLOCK(stcb); 2343 } 2344 *optsize = sizeof(struct sockaddr_storage) + actual; 2345 break; 2346 } 2347 case SCTP_PEER_ADDR_PARAMS: 2348 { 2349 struct sctp_paddrparams *paddrp; 2350 struct sctp_nets *net; 2351 struct sockaddr *addr; 2352 2353 #if defined(INET) && defined(INET6) 2354 struct sockaddr_in sin_store; 2355 2356 #endif 2357 2358 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2359 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2360 2361 #if defined(INET) && defined(INET6) 2362 if (paddrp->spp_address.ss_family == AF_INET6) { 2363 struct sockaddr_in6 *sin6; 2364 2365 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2366 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2367 in6_sin6_2_sin(&sin_store, sin6); 2368 addr = (struct sockaddr *)&sin_store; 2369 } else { 2370 addr = (struct sockaddr *)&paddrp->spp_address; 2371 } 2372 } else { 2373 addr = (struct sockaddr *)&paddrp->spp_address; 2374 } 2375 #else 2376 addr = (struct sockaddr *)&paddrp->spp_address; 2377 #endif 2378 if (stcb != NULL) { 2379 net = sctp_findnet(stcb, addr); 2380 } else { 2381 /* 2382 * We increment here since 2383 * sctp_findassociation_ep_addr() wil do a 2384 * decrement if it finds the stcb as long as 2385 * the locked tcb (last argument) is NOT a 2386 * TCB.. aka NULL. 2387 */ 2388 net = NULL; 2389 SCTP_INP_INCR_REF(inp); 2390 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2391 if (stcb == NULL) { 2392 SCTP_INP_DECR_REF(inp); 2393 } 2394 } 2395 if ((stcb != NULL) && (net == NULL)) { 2396 #ifdef INET 2397 if (addr->sa_family == AF_INET) { 2398 struct sockaddr_in *sin; 2399 2400 sin = (struct sockaddr_in *)addr; 2401 if (sin->sin_addr.s_addr != INADDR_ANY) { 2402 error = EINVAL; 2403 SCTP_TCB_UNLOCK(stcb); 2404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2405 break; 2406 } 2407 } else 2408 #endif 2409 #ifdef INET6 2410 if (addr->sa_family == AF_INET6) { 2411 struct sockaddr_in6 *sin6; 2412 2413 sin6 = (struct sockaddr_in6 *)addr; 2414 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2415 error = EINVAL; 2416 SCTP_TCB_UNLOCK(stcb); 2417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2418 break; 2419 } 2420 } else 2421 #endif 2422 { 2423 error = EAFNOSUPPORT; 2424 SCTP_TCB_UNLOCK(stcb); 2425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2426 break; 2427 } 2428 } 2429 if (stcb != NULL) { 2430 /* Applies to the specific association */ 2431 paddrp->spp_flags = 0; 2432 if (net != NULL) { 2433 paddrp->spp_hbinterval = net->heart_beat_delay; 2434 paddrp->spp_pathmaxrxt = net->failure_threshold; 2435 paddrp->spp_pathmtu = net->mtu; 2436 switch (net->ro._l_addr.sa.sa_family) { 2437 #ifdef INET 2438 case AF_INET: 2439 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2440 break; 2441 #endif 2442 #ifdef INET6 2443 case AF_INET6: 2444 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2445 break; 2446 #endif 2447 default: 2448 break; 2449 } 2450 /* get flags for HB */ 2451 if (net->dest_state & SCTP_ADDR_NOHB) { 2452 paddrp->spp_flags |= SPP_HB_DISABLE; 2453 } else { 2454 paddrp->spp_flags |= SPP_HB_ENABLE; 2455 } 2456 /* get flags for PMTU */ 2457 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2458 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2459 } else { 2460 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2461 } 2462 if (net->dscp & 0x01) { 2463 paddrp->spp_dscp = net->dscp & 0xfc; 2464 paddrp->spp_flags |= SPP_DSCP; 2465 } 2466 #ifdef INET6 2467 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2468 (net->flowlabel & 0x80000000)) { 2469 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2470 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2471 } 2472 #endif 2473 } else { 2474 /* 2475 * No destination so return default 2476 * value 2477 */ 2478 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2479 paddrp->spp_pathmtu = 0; 2480 if (stcb->asoc.default_dscp & 0x01) { 2481 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2482 paddrp->spp_flags |= SPP_DSCP; 2483 } 2484 #ifdef INET6 2485 if (stcb->asoc.default_flowlabel & 0x80000000) { 2486 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2487 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2488 } 2489 #endif 2490 /* default settings should be these */ 2491 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2492 paddrp->spp_flags |= SPP_HB_DISABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_HB_ENABLE; 2495 } 2496 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2497 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2498 } else { 2499 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2500 } 2501 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2502 } 2503 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2504 SCTP_TCB_UNLOCK(stcb); 2505 } else { 2506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2508 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2509 /* Use endpoint defaults */ 2510 SCTP_INP_RLOCK(inp); 2511 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2512 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2513 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2514 /* get inp's default */ 2515 if (inp->sctp_ep.default_dscp & 0x01) { 2516 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2517 paddrp->spp_flags |= SPP_DSCP; 2518 } 2519 #ifdef INET6 2520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2521 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2522 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2523 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2524 } 2525 #endif 2526 /* can't return this */ 2527 paddrp->spp_pathmtu = 0; 2528 2529 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2530 paddrp->spp_flags |= SPP_HB_ENABLE; 2531 } else { 2532 paddrp->spp_flags |= SPP_HB_DISABLE; 2533 } 2534 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2535 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2536 } else { 2537 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2538 } 2539 SCTP_INP_RUNLOCK(inp); 2540 } else { 2541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2542 error = EINVAL; 2543 } 2544 } 2545 if (error == 0) { 2546 *optsize = sizeof(struct sctp_paddrparams); 2547 } 2548 break; 2549 } 2550 case SCTP_GET_PEER_ADDR_INFO: 2551 { 2552 struct sctp_paddrinfo *paddri; 2553 struct sctp_nets *net; 2554 struct sockaddr *addr; 2555 2556 #if defined(INET) && defined(INET6) 2557 struct sockaddr_in sin_store; 2558 2559 #endif 2560 2561 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2562 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2563 2564 #if defined(INET) && defined(INET6) 2565 if (paddri->spinfo_address.ss_family == AF_INET6) { 2566 struct sockaddr_in6 *sin6; 2567 2568 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2569 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2570 in6_sin6_2_sin(&sin_store, sin6); 2571 addr = (struct sockaddr *)&sin_store; 2572 } else { 2573 addr = (struct sockaddr *)&paddri->spinfo_address; 2574 } 2575 } else { 2576 addr = (struct sockaddr *)&paddri->spinfo_address; 2577 } 2578 #else 2579 addr = (struct sockaddr *)&paddri->spinfo_address; 2580 #endif 2581 if (stcb != NULL) { 2582 net = sctp_findnet(stcb, addr); 2583 } else { 2584 /* 2585 * We increment here since 2586 * sctp_findassociation_ep_addr() wil do a 2587 * decrement if it finds the stcb as long as 2588 * the locked tcb (last argument) is NOT a 2589 * TCB.. aka NULL. 2590 */ 2591 net = NULL; 2592 SCTP_INP_INCR_REF(inp); 2593 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2594 if (stcb == NULL) { 2595 SCTP_INP_DECR_REF(inp); 2596 } 2597 } 2598 2599 if ((stcb != NULL) && (net != NULL)) { 2600 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2601 /* It's unconfirmed */ 2602 paddri->spinfo_state = SCTP_UNCONFIRMED; 2603 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2604 /* It's active */ 2605 paddri->spinfo_state = SCTP_ACTIVE; 2606 } else { 2607 /* It's inactive */ 2608 paddri->spinfo_state = SCTP_INACTIVE; 2609 } 2610 paddri->spinfo_cwnd = net->cwnd; 2611 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2612 paddri->spinfo_rto = net->RTO; 2613 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2614 paddri->spinfo_mtu = net->mtu; 2615 switch (addr->sa_family) { 2616 #if defined(INET) 2617 case AF_INET: 2618 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2619 break; 2620 #endif 2621 #if defined(INET6) 2622 case AF_INET6: 2623 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2624 break; 2625 #endif 2626 default: 2627 break; 2628 } 2629 SCTP_TCB_UNLOCK(stcb); 2630 *optsize = sizeof(struct sctp_paddrinfo); 2631 } else { 2632 if (stcb != NULL) { 2633 SCTP_TCB_UNLOCK(stcb); 2634 } 2635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2636 error = ENOENT; 2637 } 2638 break; 2639 } 2640 case SCTP_PCB_STATUS: 2641 { 2642 struct sctp_pcbinfo *spcb; 2643 2644 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2645 sctp_fill_pcbinfo(spcb); 2646 *optsize = sizeof(struct sctp_pcbinfo); 2647 break; 2648 } 2649 case SCTP_STATUS: 2650 { 2651 struct sctp_nets *net; 2652 struct sctp_status *sstat; 2653 2654 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2655 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2656 2657 if (stcb == NULL) { 2658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2659 error = EINVAL; 2660 break; 2661 } 2662 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2663 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2664 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2665 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2666 /* 2667 * We can't include chunks that have been passed to 2668 * the socket layer. Only things in queue. 2669 */ 2670 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2671 stcb->asoc.cnt_on_all_streams); 2672 2673 2674 sstat->sstat_instrms = stcb->asoc.streamincnt; 2675 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2676 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2677 memcpy(&sstat->sstat_primary.spinfo_address, 2678 &stcb->asoc.primary_destination->ro._l_addr, 2679 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2680 net = stcb->asoc.primary_destination; 2681 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2682 /* 2683 * Again the user can get info from sctp_constants.h 2684 * for what the state of the network is. 2685 */ 2686 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2687 /* It's unconfirmed */ 2688 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2689 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2690 /* It's active */ 2691 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2692 } else { 2693 /* It's inactive */ 2694 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2695 } 2696 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2697 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2698 sstat->sstat_primary.spinfo_rto = net->RTO; 2699 sstat->sstat_primary.spinfo_mtu = net->mtu; 2700 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2701 #if defined(INET) 2702 case AF_INET: 2703 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2704 break; 2705 #endif 2706 #if defined(INET6) 2707 case AF_INET6: 2708 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2709 break; 2710 #endif 2711 default: 2712 break; 2713 } 2714 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2715 SCTP_TCB_UNLOCK(stcb); 2716 *optsize = sizeof(struct sctp_status); 2717 break; 2718 } 2719 case SCTP_RTOINFO: 2720 { 2721 struct sctp_rtoinfo *srto; 2722 2723 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2724 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2725 2726 if (stcb) { 2727 srto->srto_initial = stcb->asoc.initial_rto; 2728 srto->srto_max = stcb->asoc.maxrto; 2729 srto->srto_min = stcb->asoc.minrto; 2730 SCTP_TCB_UNLOCK(stcb); 2731 } else { 2732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2734 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2735 SCTP_INP_RLOCK(inp); 2736 srto->srto_initial = inp->sctp_ep.initial_rto; 2737 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2738 srto->srto_min = inp->sctp_ep.sctp_minrto; 2739 SCTP_INP_RUNLOCK(inp); 2740 } else { 2741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2742 error = EINVAL; 2743 } 2744 } 2745 if (error == 0) { 2746 *optsize = sizeof(struct sctp_rtoinfo); 2747 } 2748 break; 2749 } 2750 case SCTP_TIMEOUTS: 2751 { 2752 struct sctp_timeouts *stimo; 2753 2754 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2755 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2756 2757 if (stcb) { 2758 stimo->stimo_init = stcb->asoc.timoinit; 2759 stimo->stimo_data = stcb->asoc.timodata; 2760 stimo->stimo_sack = stcb->asoc.timosack; 2761 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2762 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2763 stimo->stimo_cookie = stcb->asoc.timocookie; 2764 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2765 SCTP_TCB_UNLOCK(stcb); 2766 *optsize = sizeof(struct sctp_timeouts); 2767 } else { 2768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2769 error = EINVAL; 2770 } 2771 break; 2772 } 2773 case SCTP_ASSOCINFO: 2774 { 2775 struct sctp_assocparams *sasoc; 2776 2777 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2778 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2779 2780 if (stcb) { 2781 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2782 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2783 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2784 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2785 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2786 SCTP_TCB_UNLOCK(stcb); 2787 } else { 2788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2790 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2791 SCTP_INP_RLOCK(inp); 2792 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2793 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2794 sasoc->sasoc_number_peer_destinations = 0; 2795 sasoc->sasoc_peer_rwnd = 0; 2796 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2797 SCTP_INP_RUNLOCK(inp); 2798 } else { 2799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2800 error = EINVAL; 2801 } 2802 } 2803 if (error == 0) { 2804 *optsize = sizeof(struct sctp_assocparams); 2805 } 2806 break; 2807 } 2808 case SCTP_DEFAULT_SEND_PARAM: 2809 { 2810 struct sctp_sndrcvinfo *s_info; 2811 2812 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2813 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2814 2815 if (stcb) { 2816 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2817 SCTP_TCB_UNLOCK(stcb); 2818 } else { 2819 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2820 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2821 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2822 SCTP_INP_RLOCK(inp); 2823 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2824 SCTP_INP_RUNLOCK(inp); 2825 } else { 2826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2827 error = EINVAL; 2828 } 2829 } 2830 if (error == 0) { 2831 *optsize = sizeof(struct sctp_sndrcvinfo); 2832 } 2833 break; 2834 } 2835 case SCTP_INITMSG: 2836 { 2837 struct sctp_initmsg *sinit; 2838 2839 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2840 SCTP_INP_RLOCK(inp); 2841 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2842 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2843 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2844 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2845 SCTP_INP_RUNLOCK(inp); 2846 *optsize = sizeof(struct sctp_initmsg); 2847 break; 2848 } 2849 case SCTP_PRIMARY_ADDR: 2850 /* we allow a "get" operation on this */ 2851 { 2852 struct sctp_setprim *ssp; 2853 2854 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2855 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2856 2857 if (stcb) { 2858 union sctp_sockstore *addr; 2859 2860 addr = &stcb->asoc.primary_destination->ro._l_addr; 2861 switch (addr->sa.sa_family) { 2862 #ifdef INET 2863 case AF_INET: 2864 #ifdef INET6 2865 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2866 in6_sin_2_v4mapsin6(&addr->sin, 2867 (struct sockaddr_in6 *)&ssp->ssp_addr); 2868 } else { 2869 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2870 } 2871 #else 2872 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2873 #endif 2874 break; 2875 #endif 2876 #ifdef INET6 2877 case AF_INET6: 2878 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2879 break; 2880 #endif 2881 default: 2882 break; 2883 } 2884 SCTP_TCB_UNLOCK(stcb); 2885 *optsize = sizeof(struct sctp_setprim); 2886 } else { 2887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2888 error = EINVAL; 2889 } 2890 break; 2891 } 2892 case SCTP_HMAC_IDENT: 2893 { 2894 struct sctp_hmacalgo *shmac; 2895 sctp_hmaclist_t *hmaclist; 2896 uint32_t size; 2897 int i; 2898 2899 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2900 2901 SCTP_INP_RLOCK(inp); 2902 hmaclist = inp->sctp_ep.local_hmacs; 2903 if (hmaclist == NULL) { 2904 /* no HMACs to return */ 2905 *optsize = sizeof(*shmac); 2906 SCTP_INP_RUNLOCK(inp); 2907 break; 2908 } 2909 /* is there room for all of the hmac ids? */ 2910 size = sizeof(*shmac) + (hmaclist->num_algo * 2911 sizeof(shmac->shmac_idents[0])); 2912 if ((size_t)(*optsize) < size) { 2913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2914 error = EINVAL; 2915 SCTP_INP_RUNLOCK(inp); 2916 break; 2917 } 2918 /* copy in the list */ 2919 shmac->shmac_number_of_idents = hmaclist->num_algo; 2920 for (i = 0; i < hmaclist->num_algo; i++) { 2921 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2922 } 2923 SCTP_INP_RUNLOCK(inp); 2924 *optsize = size; 2925 break; 2926 } 2927 case SCTP_AUTH_ACTIVE_KEY: 2928 { 2929 struct sctp_authkeyid *scact; 2930 2931 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2932 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2933 2934 if (stcb) { 2935 /* get the active key on the assoc */ 2936 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2937 SCTP_TCB_UNLOCK(stcb); 2938 } else { 2939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2940 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2941 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2942 /* get the endpoint active key */ 2943 SCTP_INP_RLOCK(inp); 2944 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2945 SCTP_INP_RUNLOCK(inp); 2946 } else { 2947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2948 error = EINVAL; 2949 } 2950 } 2951 if (error == 0) { 2952 *optsize = sizeof(struct sctp_authkeyid); 2953 } 2954 break; 2955 } 2956 case SCTP_LOCAL_AUTH_CHUNKS: 2957 { 2958 struct sctp_authchunks *sac; 2959 sctp_auth_chklist_t *chklist = NULL; 2960 size_t size = 0; 2961 2962 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2963 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2964 2965 if (stcb) { 2966 /* get off the assoc */ 2967 chklist = stcb->asoc.local_auth_chunks; 2968 /* is there enough space? */ 2969 size = sctp_auth_get_chklist_size(chklist); 2970 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2971 error = EINVAL; 2972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2973 } else { 2974 /* copy in the chunks */ 2975 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2976 sac->gauth_number_of_chunks = (uint32_t) size; 2977 *optsize = sizeof(struct sctp_authchunks) + size; 2978 } 2979 SCTP_TCB_UNLOCK(stcb); 2980 } else { 2981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2983 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2984 /* get off the endpoint */ 2985 SCTP_INP_RLOCK(inp); 2986 chklist = inp->sctp_ep.local_auth_chunks; 2987 /* is there enough space? */ 2988 size = sctp_auth_get_chklist_size(chklist); 2989 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2990 error = EINVAL; 2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2992 } else { 2993 /* copy in the chunks */ 2994 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2995 sac->gauth_number_of_chunks = (uint32_t) size; 2996 *optsize = sizeof(struct sctp_authchunks) + size; 2997 } 2998 SCTP_INP_RUNLOCK(inp); 2999 } else { 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3001 error = EINVAL; 3002 } 3003 } 3004 break; 3005 } 3006 case SCTP_PEER_AUTH_CHUNKS: 3007 { 3008 struct sctp_authchunks *sac; 3009 sctp_auth_chklist_t *chklist = NULL; 3010 size_t size = 0; 3011 3012 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3013 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3014 3015 if (stcb) { 3016 /* get off the assoc */ 3017 chklist = stcb->asoc.peer_auth_chunks; 3018 /* is there enough space? */ 3019 size = sctp_auth_get_chklist_size(chklist); 3020 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3021 error = EINVAL; 3022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3023 } else { 3024 /* copy in the chunks */ 3025 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3026 sac->gauth_number_of_chunks = (uint32_t) size; 3027 *optsize = sizeof(struct sctp_authchunks) + size; 3028 } 3029 SCTP_TCB_UNLOCK(stcb); 3030 } else { 3031 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3032 error = ENOENT; 3033 } 3034 break; 3035 } 3036 case SCTP_EVENT: 3037 { 3038 struct sctp_event *event; 3039 uint32_t event_type; 3040 3041 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3042 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3043 3044 switch (event->se_type) { 3045 case SCTP_ASSOC_CHANGE: 3046 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3047 break; 3048 case SCTP_PEER_ADDR_CHANGE: 3049 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3050 break; 3051 case SCTP_REMOTE_ERROR: 3052 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3053 break; 3054 case SCTP_SEND_FAILED: 3055 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3056 break; 3057 case SCTP_SHUTDOWN_EVENT: 3058 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3059 break; 3060 case SCTP_ADAPTATION_INDICATION: 3061 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3062 break; 3063 case SCTP_PARTIAL_DELIVERY_EVENT: 3064 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3065 break; 3066 case SCTP_AUTHENTICATION_EVENT: 3067 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3068 break; 3069 case SCTP_STREAM_RESET_EVENT: 3070 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3071 break; 3072 case SCTP_SENDER_DRY_EVENT: 3073 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3074 break; 3075 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3076 event_type = 0; 3077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3078 error = ENOTSUP; 3079 break; 3080 case SCTP_ASSOC_RESET_EVENT: 3081 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3082 break; 3083 case SCTP_STREAM_CHANGE_EVENT: 3084 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3085 break; 3086 case SCTP_SEND_FAILED_EVENT: 3087 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3088 break; 3089 default: 3090 event_type = 0; 3091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3092 error = EINVAL; 3093 break; 3094 } 3095 if (event_type > 0) { 3096 if (stcb) { 3097 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3098 SCTP_TCB_UNLOCK(stcb); 3099 } else { 3100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3101 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3102 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3103 SCTP_INP_RLOCK(inp); 3104 event->se_on = sctp_is_feature_on(inp, event_type); 3105 SCTP_INP_RUNLOCK(inp); 3106 } else { 3107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3108 error = EINVAL; 3109 } 3110 } 3111 } 3112 if (error == 0) { 3113 *optsize = sizeof(struct sctp_event); 3114 } 3115 break; 3116 } 3117 case SCTP_RECVRCVINFO: 3118 { 3119 int onoff; 3120 3121 if (*optsize < sizeof(int)) { 3122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3123 error = EINVAL; 3124 } else { 3125 SCTP_INP_RLOCK(inp); 3126 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3127 SCTP_INP_RUNLOCK(inp); 3128 } 3129 if (error == 0) { 3130 /* return the option value */ 3131 *(int *)optval = onoff; 3132 *optsize = sizeof(int); 3133 } 3134 break; 3135 } 3136 case SCTP_RECVNXTINFO: 3137 { 3138 int onoff; 3139 3140 if (*optsize < sizeof(int)) { 3141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3142 error = EINVAL; 3143 } else { 3144 SCTP_INP_RLOCK(inp); 3145 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3146 SCTP_INP_RUNLOCK(inp); 3147 } 3148 if (error == 0) { 3149 /* return the option value */ 3150 *(int *)optval = onoff; 3151 *optsize = sizeof(int); 3152 } 3153 break; 3154 } 3155 case SCTP_DEFAULT_SNDINFO: 3156 { 3157 struct sctp_sndinfo *info; 3158 3159 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3160 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3161 3162 if (stcb) { 3163 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3164 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3165 info->snd_flags &= 0xfff0; 3166 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3167 info->snd_context = stcb->asoc.def_send.sinfo_context; 3168 SCTP_TCB_UNLOCK(stcb); 3169 } else { 3170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3172 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3173 SCTP_INP_RLOCK(inp); 3174 info->snd_sid = inp->def_send.sinfo_stream; 3175 info->snd_flags = inp->def_send.sinfo_flags; 3176 info->snd_flags &= 0xfff0; 3177 info->snd_ppid = inp->def_send.sinfo_ppid; 3178 info->snd_context = inp->def_send.sinfo_context; 3179 SCTP_INP_RUNLOCK(inp); 3180 } else { 3181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3182 error = EINVAL; 3183 } 3184 } 3185 if (error == 0) { 3186 *optsize = sizeof(struct sctp_sndinfo); 3187 } 3188 break; 3189 } 3190 case SCTP_DEFAULT_PRINFO: 3191 { 3192 struct sctp_default_prinfo *info; 3193 3194 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3195 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3196 3197 if (stcb) { 3198 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3199 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3200 SCTP_TCB_UNLOCK(stcb); 3201 } else { 3202 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3203 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3204 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3205 SCTP_INP_RLOCK(inp); 3206 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3207 info->pr_value = inp->def_send.sinfo_timetolive; 3208 SCTP_INP_RUNLOCK(inp); 3209 } else { 3210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3211 error = EINVAL; 3212 } 3213 } 3214 if (error == 0) { 3215 *optsize = sizeof(struct sctp_default_prinfo); 3216 } 3217 break; 3218 } 3219 case SCTP_PEER_ADDR_THLDS: 3220 { 3221 struct sctp_paddrthlds *thlds; 3222 struct sctp_nets *net; 3223 struct sockaddr *addr; 3224 3225 #if defined(INET) && defined(INET6) 3226 struct sockaddr_in sin_store; 3227 3228 #endif 3229 3230 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3231 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3232 3233 #if defined(INET) && defined(INET6) 3234 if (thlds->spt_address.ss_family == AF_INET6) { 3235 struct sockaddr_in6 *sin6; 3236 3237 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3238 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3239 in6_sin6_2_sin(&sin_store, sin6); 3240 addr = (struct sockaddr *)&sin_store; 3241 } else { 3242 addr = (struct sockaddr *)&thlds->spt_address; 3243 } 3244 } else { 3245 addr = (struct sockaddr *)&thlds->spt_address; 3246 } 3247 #else 3248 addr = (struct sockaddr *)&thlds->spt_address; 3249 #endif 3250 if (stcb != NULL) { 3251 net = sctp_findnet(stcb, addr); 3252 } else { 3253 /* 3254 * We increment here since 3255 * sctp_findassociation_ep_addr() wil do a 3256 * decrement if it finds the stcb as long as 3257 * the locked tcb (last argument) is NOT a 3258 * TCB.. aka NULL. 3259 */ 3260 net = NULL; 3261 SCTP_INP_INCR_REF(inp); 3262 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3263 if (stcb == NULL) { 3264 SCTP_INP_DECR_REF(inp); 3265 } 3266 } 3267 if ((stcb != NULL) && (net == NULL)) { 3268 #ifdef INET 3269 if (addr->sa_family == AF_INET) { 3270 struct sockaddr_in *sin; 3271 3272 sin = (struct sockaddr_in *)addr; 3273 if (sin->sin_addr.s_addr != INADDR_ANY) { 3274 error = EINVAL; 3275 SCTP_TCB_UNLOCK(stcb); 3276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3277 break; 3278 } 3279 } else 3280 #endif 3281 #ifdef INET6 3282 if (addr->sa_family == AF_INET6) { 3283 struct sockaddr_in6 *sin6; 3284 3285 sin6 = (struct sockaddr_in6 *)addr; 3286 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3287 error = EINVAL; 3288 SCTP_TCB_UNLOCK(stcb); 3289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3290 break; 3291 } 3292 } else 3293 #endif 3294 { 3295 error = EAFNOSUPPORT; 3296 SCTP_TCB_UNLOCK(stcb); 3297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3298 break; 3299 } 3300 } 3301 if (stcb != NULL) { 3302 if (net != NULL) { 3303 thlds->spt_pathmaxrxt = net->failure_threshold; 3304 thlds->spt_pathpfthld = net->pf_threshold; 3305 } else { 3306 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3307 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3308 } 3309 thlds->spt_assoc_id = sctp_get_associd(stcb); 3310 SCTP_TCB_UNLOCK(stcb); 3311 } else { 3312 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3313 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3314 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3315 /* Use endpoint defaults */ 3316 SCTP_INP_RLOCK(inp); 3317 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3318 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3319 SCTP_INP_RUNLOCK(inp); 3320 } else { 3321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3322 error = EINVAL; 3323 } 3324 } 3325 if (error == 0) { 3326 *optsize = sizeof(struct sctp_paddrthlds); 3327 } 3328 break; 3329 } 3330 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3331 { 3332 struct sctp_udpencaps *encaps; 3333 struct sctp_nets *net; 3334 struct sockaddr *addr; 3335 3336 #if defined(INET) && defined(INET6) 3337 struct sockaddr_in sin_store; 3338 3339 #endif 3340 3341 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3342 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3343 3344 #if defined(INET) && defined(INET6) 3345 if (encaps->sue_address.ss_family == AF_INET6) { 3346 struct sockaddr_in6 *sin6; 3347 3348 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3349 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3350 in6_sin6_2_sin(&sin_store, sin6); 3351 addr = (struct sockaddr *)&sin_store; 3352 } else { 3353 addr = (struct sockaddr *)&encaps->sue_address; 3354 } 3355 } else { 3356 addr = (struct sockaddr *)&encaps->sue_address; 3357 } 3358 #else 3359 addr = (struct sockaddr *)&encaps->sue_address; 3360 #endif 3361 if (stcb) { 3362 net = sctp_findnet(stcb, addr); 3363 } else { 3364 /* 3365 * We increment here since 3366 * sctp_findassociation_ep_addr() wil do a 3367 * decrement if it finds the stcb as long as 3368 * the locked tcb (last argument) is NOT a 3369 * TCB.. aka NULL. 3370 */ 3371 net = NULL; 3372 SCTP_INP_INCR_REF(inp); 3373 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3374 if (stcb == NULL) { 3375 SCTP_INP_DECR_REF(inp); 3376 } 3377 } 3378 if ((stcb != NULL) && (net == NULL)) { 3379 #ifdef INET 3380 if (addr->sa_family == AF_INET) { 3381 struct sockaddr_in *sin; 3382 3383 sin = (struct sockaddr_in *)addr; 3384 if (sin->sin_addr.s_addr != INADDR_ANY) { 3385 error = EINVAL; 3386 SCTP_TCB_UNLOCK(stcb); 3387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3388 break; 3389 } 3390 } else 3391 #endif 3392 #ifdef INET6 3393 if (addr->sa_family == AF_INET6) { 3394 struct sockaddr_in6 *sin6; 3395 3396 sin6 = (struct sockaddr_in6 *)addr; 3397 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3398 error = EINVAL; 3399 SCTP_TCB_UNLOCK(stcb); 3400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3401 break; 3402 } 3403 } else 3404 #endif 3405 { 3406 error = EAFNOSUPPORT; 3407 SCTP_TCB_UNLOCK(stcb); 3408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3409 break; 3410 } 3411 } 3412 if (stcb != NULL) { 3413 if (net) { 3414 encaps->sue_port = net->port; 3415 } else { 3416 encaps->sue_port = stcb->asoc.port; 3417 } 3418 SCTP_TCB_UNLOCK(stcb); 3419 } else { 3420 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3421 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3422 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3423 SCTP_INP_RLOCK(inp); 3424 encaps->sue_port = inp->sctp_ep.port; 3425 SCTP_INP_RUNLOCK(inp); 3426 } else { 3427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3428 error = EINVAL; 3429 } 3430 } 3431 if (error == 0) { 3432 *optsize = sizeof(struct sctp_udpencaps); 3433 } 3434 break; 3435 } 3436 case SCTP_ECN_SUPPORTED: 3437 { 3438 struct sctp_assoc_value *av; 3439 3440 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3441 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3442 3443 if (stcb) { 3444 av->assoc_value = stcb->asoc.ecn_supported; 3445 SCTP_TCB_UNLOCK(stcb); 3446 } else { 3447 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3448 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3449 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3450 SCTP_INP_RLOCK(inp); 3451 av->assoc_value = inp->ecn_supported; 3452 SCTP_INP_RUNLOCK(inp); 3453 } else { 3454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3455 error = EINVAL; 3456 } 3457 } 3458 if (error == 0) { 3459 *optsize = sizeof(struct sctp_assoc_value); 3460 } 3461 break; 3462 } 3463 case SCTP_PR_SUPPORTED: 3464 { 3465 struct sctp_assoc_value *av; 3466 3467 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3468 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3469 3470 if (stcb) { 3471 av->assoc_value = stcb->asoc.prsctp_supported; 3472 SCTP_TCB_UNLOCK(stcb); 3473 } else { 3474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3476 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3477 SCTP_INP_RLOCK(inp); 3478 av->assoc_value = inp->prsctp_supported; 3479 SCTP_INP_RUNLOCK(inp); 3480 } else { 3481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3482 error = EINVAL; 3483 } 3484 } 3485 if (error == 0) { 3486 *optsize = sizeof(struct sctp_assoc_value); 3487 } 3488 break; 3489 } 3490 case SCTP_AUTH_SUPPORTED: 3491 { 3492 struct sctp_assoc_value *av; 3493 3494 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3495 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3496 3497 if (stcb) { 3498 av->assoc_value = stcb->asoc.auth_supported; 3499 SCTP_TCB_UNLOCK(stcb); 3500 } else { 3501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3503 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3504 SCTP_INP_RLOCK(inp); 3505 av->assoc_value = inp->auth_supported; 3506 SCTP_INP_RUNLOCK(inp); 3507 } else { 3508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3509 error = EINVAL; 3510 } 3511 } 3512 if (error == 0) { 3513 *optsize = sizeof(struct sctp_assoc_value); 3514 } 3515 break; 3516 } 3517 case SCTP_ASCONF_SUPPORTED: 3518 { 3519 struct sctp_assoc_value *av; 3520 3521 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3522 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3523 3524 if (stcb) { 3525 av->assoc_value = stcb->asoc.asconf_supported; 3526 SCTP_TCB_UNLOCK(stcb); 3527 } else { 3528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3529 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3530 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3531 SCTP_INP_RLOCK(inp); 3532 av->assoc_value = inp->asconf_supported; 3533 SCTP_INP_RUNLOCK(inp); 3534 } else { 3535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3536 error = EINVAL; 3537 } 3538 } 3539 if (error == 0) { 3540 *optsize = sizeof(struct sctp_assoc_value); 3541 } 3542 break; 3543 } 3544 case SCTP_RECONFIG_SUPPORTED: 3545 { 3546 struct sctp_assoc_value *av; 3547 3548 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3549 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3550 3551 if (stcb) { 3552 av->assoc_value = stcb->asoc.reconfig_supported; 3553 SCTP_TCB_UNLOCK(stcb); 3554 } else { 3555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3558 SCTP_INP_RLOCK(inp); 3559 av->assoc_value = inp->reconfig_supported; 3560 SCTP_INP_RUNLOCK(inp); 3561 } else { 3562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3563 error = EINVAL; 3564 } 3565 } 3566 if (error == 0) { 3567 *optsize = sizeof(struct sctp_assoc_value); 3568 } 3569 break; 3570 } 3571 case SCTP_NRSACK_SUPPORTED: 3572 { 3573 struct sctp_assoc_value *av; 3574 3575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3576 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3577 3578 if (stcb) { 3579 av->assoc_value = stcb->asoc.nrsack_supported; 3580 SCTP_TCB_UNLOCK(stcb); 3581 } else { 3582 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3583 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3584 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3585 SCTP_INP_RLOCK(inp); 3586 av->assoc_value = inp->nrsack_supported; 3587 SCTP_INP_RUNLOCK(inp); 3588 } else { 3589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3590 error = EINVAL; 3591 } 3592 } 3593 if (error == 0) { 3594 *optsize = sizeof(struct sctp_assoc_value); 3595 } 3596 break; 3597 } 3598 case SCTP_PKTDROP_SUPPORTED: 3599 { 3600 struct sctp_assoc_value *av; 3601 3602 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3603 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3604 3605 if (stcb) { 3606 av->assoc_value = stcb->asoc.pktdrop_supported; 3607 SCTP_TCB_UNLOCK(stcb); 3608 } else { 3609 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3610 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3611 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3612 SCTP_INP_RLOCK(inp); 3613 av->assoc_value = inp->pktdrop_supported; 3614 SCTP_INP_RUNLOCK(inp); 3615 } else { 3616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3617 error = EINVAL; 3618 } 3619 } 3620 if (error == 0) { 3621 *optsize = sizeof(struct sctp_assoc_value); 3622 } 3623 break; 3624 } 3625 case SCTP_ENABLE_STREAM_RESET: 3626 { 3627 struct sctp_assoc_value *av; 3628 3629 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3630 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3631 3632 if (stcb) { 3633 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3634 SCTP_TCB_UNLOCK(stcb); 3635 } else { 3636 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3637 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3638 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3639 SCTP_INP_RLOCK(inp); 3640 av->assoc_value = (uint32_t) inp->local_strreset_support; 3641 SCTP_INP_RUNLOCK(inp); 3642 } else { 3643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3644 error = EINVAL; 3645 } 3646 } 3647 if (error == 0) { 3648 *optsize = sizeof(struct sctp_assoc_value); 3649 } 3650 break; 3651 } 3652 case SCTP_PR_STREAM_STATUS: 3653 { 3654 struct sctp_prstatus *sprstat; 3655 uint16_t sid; 3656 uint16_t policy; 3657 3658 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3659 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3660 3661 sid = sprstat->sprstat_sid; 3662 policy = sprstat->sprstat_policy; 3663 #if defined(SCTP_DETAILED_STR_STATS) 3664 if ((stcb != NULL) && 3665 (sid < stcb->asoc.streamoutcnt) && 3666 (policy != SCTP_PR_SCTP_NONE) && 3667 ((policy <= SCTP_PR_SCTP_MAX) || 3668 (policy == SCTP_PR_SCTP_ALL))) { 3669 if (policy == SCTP_PR_SCTP_ALL) { 3670 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3671 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3672 } else { 3673 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3674 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3675 } 3676 #else 3677 if ((stcb != NULL) && 3678 (sid < stcb->asoc.streamoutcnt) && 3679 (policy == SCTP_PR_SCTP_ALL)) { 3680 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3681 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3682 #endif 3683 SCTP_TCB_UNLOCK(stcb); 3684 *optsize = sizeof(struct sctp_prstatus); 3685 } else { 3686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3687 error = EINVAL; 3688 } 3689 break; 3690 } 3691 case SCTP_PR_ASSOC_STATUS: 3692 { 3693 struct sctp_prstatus *sprstat; 3694 uint16_t policy; 3695 3696 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3697 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3698 3699 policy = sprstat->sprstat_policy; 3700 if ((stcb != NULL) && 3701 (policy != SCTP_PR_SCTP_NONE) && 3702 ((policy <= SCTP_PR_SCTP_MAX) || 3703 (policy == SCTP_PR_SCTP_ALL))) { 3704 if (policy == SCTP_PR_SCTP_ALL) { 3705 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3706 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3707 } else { 3708 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3709 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3710 } 3711 SCTP_TCB_UNLOCK(stcb); 3712 *optsize = sizeof(struct sctp_prstatus); 3713 } else { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 } 3717 break; 3718 } 3719 case SCTP_MAX_CWND: 3720 { 3721 struct sctp_assoc_value *av; 3722 3723 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3724 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3725 3726 if (stcb) { 3727 av->assoc_value = stcb->asoc.max_cwnd; 3728 SCTP_TCB_UNLOCK(stcb); 3729 } else { 3730 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3731 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3732 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3733 SCTP_INP_RLOCK(inp); 3734 av->assoc_value = inp->max_cwnd; 3735 SCTP_INP_RUNLOCK(inp); 3736 } else { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3738 error = EINVAL; 3739 } 3740 } 3741 if (error == 0) { 3742 *optsize = sizeof(struct sctp_assoc_value); 3743 } 3744 break; 3745 } 3746 default: 3747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3748 error = ENOPROTOOPT; 3749 break; 3750 } /* end switch (sopt->sopt_name) */ 3751 if (error) { 3752 *optsize = 0; 3753 } 3754 return (error); 3755 } 3756 3757 static int 3758 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3759 void *p) 3760 { 3761 int error, set_opt; 3762 uint32_t *mopt; 3763 struct sctp_tcb *stcb = NULL; 3764 struct sctp_inpcb *inp = NULL; 3765 uint32_t vrf_id; 3766 3767 if (optval == NULL) { 3768 SCTP_PRINTF("optval is NULL\n"); 3769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3770 return (EINVAL); 3771 } 3772 inp = (struct sctp_inpcb *)so->so_pcb; 3773 if (inp == NULL) { 3774 SCTP_PRINTF("inp is NULL?\n"); 3775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3776 return (EINVAL); 3777 } 3778 vrf_id = inp->def_vrf_id; 3779 3780 error = 0; 3781 switch (optname) { 3782 case SCTP_NODELAY: 3783 case SCTP_AUTOCLOSE: 3784 case SCTP_AUTO_ASCONF: 3785 case SCTP_EXPLICIT_EOR: 3786 case SCTP_DISABLE_FRAGMENTS: 3787 case SCTP_USE_EXT_RCVINFO: 3788 case SCTP_I_WANT_MAPPED_V4_ADDR: 3789 /* copy in the option value */ 3790 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3791 set_opt = 0; 3792 if (error) 3793 break; 3794 switch (optname) { 3795 case SCTP_DISABLE_FRAGMENTS: 3796 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3797 break; 3798 case SCTP_AUTO_ASCONF: 3799 /* 3800 * NOTE: we don't really support this flag 3801 */ 3802 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3803 /* only valid for bound all sockets */ 3804 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3805 (*mopt != 0)) { 3806 /* forbidden by admin */ 3807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3808 return (EPERM); 3809 } 3810 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3811 } else { 3812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3813 return (EINVAL); 3814 } 3815 break; 3816 case SCTP_EXPLICIT_EOR: 3817 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3818 break; 3819 case SCTP_USE_EXT_RCVINFO: 3820 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3821 break; 3822 case SCTP_I_WANT_MAPPED_V4_ADDR: 3823 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3824 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3825 } else { 3826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3827 return (EINVAL); 3828 } 3829 break; 3830 case SCTP_NODELAY: 3831 set_opt = SCTP_PCB_FLAGS_NODELAY; 3832 break; 3833 case SCTP_AUTOCLOSE: 3834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3837 return (EINVAL); 3838 } 3839 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3840 /* 3841 * The value is in ticks. Note this does not effect 3842 * old associations, only new ones. 3843 */ 3844 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3845 break; 3846 } 3847 SCTP_INP_WLOCK(inp); 3848 if (*mopt != 0) { 3849 sctp_feature_on(inp, set_opt); 3850 } else { 3851 sctp_feature_off(inp, set_opt); 3852 } 3853 SCTP_INP_WUNLOCK(inp); 3854 break; 3855 case SCTP_REUSE_PORT: 3856 { 3857 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3858 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3859 /* Can't set it after we are bound */ 3860 error = EINVAL; 3861 break; 3862 } 3863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3864 /* Can't do this for a 1-m socket */ 3865 error = EINVAL; 3866 break; 3867 } 3868 if (optval) 3869 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3870 else 3871 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3872 break; 3873 } 3874 case SCTP_PARTIAL_DELIVERY_POINT: 3875 { 3876 uint32_t *value; 3877 3878 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3879 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3881 error = EINVAL; 3882 break; 3883 } 3884 inp->partial_delivery_point = *value; 3885 break; 3886 } 3887 case SCTP_FRAGMENT_INTERLEAVE: 3888 /* not yet until we re-write sctp_recvmsg() */ 3889 { 3890 uint32_t *level; 3891 3892 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3893 if (*level == SCTP_FRAG_LEVEL_2) { 3894 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3895 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3896 } else if (*level == SCTP_FRAG_LEVEL_1) { 3897 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3898 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3899 } else if (*level == SCTP_FRAG_LEVEL_0) { 3900 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3901 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3902 3903 } else { 3904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3905 error = EINVAL; 3906 } 3907 break; 3908 } 3909 case SCTP_INTERLEAVING_SUPPORTED: 3910 { 3911 struct sctp_assoc_value *av; 3912 3913 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3914 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3915 3916 if (stcb) { 3917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3918 error = EINVAL; 3919 SCTP_TCB_UNLOCK(stcb); 3920 } else { 3921 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3922 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3923 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3924 SCTP_INP_WLOCK(inp); 3925 if (av->assoc_value == 0) { 3926 inp->idata_supported = 0; 3927 } else { 3928 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3929 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3930 inp->idata_supported = 1; 3931 } else { 3932 /* 3933 * Must have Frag 3934 * interleave and 3935 * stream interleave 3936 * on 3937 */ 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3939 error = EINVAL; 3940 } 3941 } 3942 SCTP_INP_WUNLOCK(inp); 3943 } else { 3944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3945 error = EINVAL; 3946 } 3947 } 3948 break; 3949 } 3950 case SCTP_CMT_ON_OFF: 3951 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3952 struct sctp_assoc_value *av; 3953 3954 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3955 if (av->assoc_value > SCTP_CMT_MAX) { 3956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3957 error = EINVAL; 3958 break; 3959 } 3960 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3961 if (stcb) { 3962 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3963 SCTP_TCB_UNLOCK(stcb); 3964 } else { 3965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3966 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3967 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3968 (av->assoc_id == SCTP_ALL_ASSOC)) { 3969 SCTP_INP_WLOCK(inp); 3970 inp->sctp_cmt_on_off = av->assoc_value; 3971 SCTP_INP_WUNLOCK(inp); 3972 } 3973 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3974 (av->assoc_id == SCTP_ALL_ASSOC)) { 3975 SCTP_INP_RLOCK(inp); 3976 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3977 SCTP_TCB_LOCK(stcb); 3978 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3979 SCTP_TCB_UNLOCK(stcb); 3980 } 3981 SCTP_INP_RUNLOCK(inp); 3982 } 3983 } 3984 } else { 3985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3986 error = ENOPROTOOPT; 3987 } 3988 break; 3989 case SCTP_PLUGGABLE_CC: 3990 { 3991 struct sctp_assoc_value *av; 3992 struct sctp_nets *net; 3993 3994 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3995 if ((av->assoc_value != SCTP_CC_RFC2581) && 3996 (av->assoc_value != SCTP_CC_HSTCP) && 3997 (av->assoc_value != SCTP_CC_HTCP) && 3998 (av->assoc_value != SCTP_CC_RTCC)) { 3999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4000 error = EINVAL; 4001 break; 4002 } 4003 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4004 if (stcb) { 4005 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4006 stcb->asoc.congestion_control_module = av->assoc_value; 4007 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4008 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4009 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4010 } 4011 } 4012 SCTP_TCB_UNLOCK(stcb); 4013 } else { 4014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4015 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4016 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4017 (av->assoc_id == SCTP_ALL_ASSOC)) { 4018 SCTP_INP_WLOCK(inp); 4019 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4020 SCTP_INP_WUNLOCK(inp); 4021 } 4022 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4023 (av->assoc_id == SCTP_ALL_ASSOC)) { 4024 SCTP_INP_RLOCK(inp); 4025 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4026 SCTP_TCB_LOCK(stcb); 4027 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4028 stcb->asoc.congestion_control_module = av->assoc_value; 4029 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4030 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4031 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4032 } 4033 } 4034 SCTP_TCB_UNLOCK(stcb); 4035 } 4036 SCTP_INP_RUNLOCK(inp); 4037 } 4038 } 4039 break; 4040 } 4041 case SCTP_CC_OPTION: 4042 { 4043 struct sctp_cc_option *cc_opt; 4044 4045 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4046 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4047 if (stcb == NULL) { 4048 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4049 SCTP_INP_RLOCK(inp); 4050 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4051 SCTP_TCB_LOCK(stcb); 4052 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4053 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4054 } 4055 SCTP_TCB_UNLOCK(stcb); 4056 } 4057 SCTP_INP_RUNLOCK(inp); 4058 } else { 4059 error = EINVAL; 4060 } 4061 } else { 4062 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4063 error = ENOTSUP; 4064 } else { 4065 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4066 cc_opt); 4067 } 4068 SCTP_TCB_UNLOCK(stcb); 4069 } 4070 break; 4071 } 4072 case SCTP_PLUGGABLE_SS: 4073 { 4074 struct sctp_assoc_value *av; 4075 4076 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4077 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4078 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4079 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4080 (av->assoc_value != SCTP_SS_PRIORITY) && 4081 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4082 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4084 error = EINVAL; 4085 break; 4086 } 4087 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4088 if (stcb) { 4089 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4090 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4091 stcb->asoc.stream_scheduling_module = av->assoc_value; 4092 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4093 SCTP_TCB_UNLOCK(stcb); 4094 } else { 4095 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4096 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4097 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4098 (av->assoc_id == SCTP_ALL_ASSOC)) { 4099 SCTP_INP_WLOCK(inp); 4100 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4101 SCTP_INP_WUNLOCK(inp); 4102 } 4103 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4104 (av->assoc_id == SCTP_ALL_ASSOC)) { 4105 SCTP_INP_RLOCK(inp); 4106 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4107 SCTP_TCB_LOCK(stcb); 4108 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4109 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4110 stcb->asoc.stream_scheduling_module = av->assoc_value; 4111 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4112 SCTP_TCB_UNLOCK(stcb); 4113 } 4114 SCTP_INP_RUNLOCK(inp); 4115 } 4116 } 4117 break; 4118 } 4119 case SCTP_SS_VALUE: 4120 { 4121 struct sctp_stream_value *av; 4122 4123 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4124 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4125 if (stcb) { 4126 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4127 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4128 av->stream_value) < 0)) { 4129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4130 error = EINVAL; 4131 } 4132 SCTP_TCB_UNLOCK(stcb); 4133 } else { 4134 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4135 SCTP_INP_RLOCK(inp); 4136 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4137 SCTP_TCB_LOCK(stcb); 4138 if (av->stream_id < stcb->asoc.streamoutcnt) { 4139 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4140 &stcb->asoc, 4141 &stcb->asoc.strmout[av->stream_id], 4142 av->stream_value); 4143 } 4144 SCTP_TCB_UNLOCK(stcb); 4145 } 4146 SCTP_INP_RUNLOCK(inp); 4147 } else { 4148 /* 4149 * Can't set stream value without 4150 * association 4151 */ 4152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4153 error = EINVAL; 4154 } 4155 } 4156 break; 4157 } 4158 case SCTP_CLR_STAT_LOG: 4159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4160 error = EOPNOTSUPP; 4161 break; 4162 case SCTP_CONTEXT: 4163 { 4164 struct sctp_assoc_value *av; 4165 4166 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4167 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4168 4169 if (stcb) { 4170 stcb->asoc.context = av->assoc_value; 4171 SCTP_TCB_UNLOCK(stcb); 4172 } else { 4173 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4174 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4175 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4176 (av->assoc_id == SCTP_ALL_ASSOC)) { 4177 SCTP_INP_WLOCK(inp); 4178 inp->sctp_context = av->assoc_value; 4179 SCTP_INP_WUNLOCK(inp); 4180 } 4181 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4182 (av->assoc_id == SCTP_ALL_ASSOC)) { 4183 SCTP_INP_RLOCK(inp); 4184 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4185 SCTP_TCB_LOCK(stcb); 4186 stcb->asoc.context = av->assoc_value; 4187 SCTP_TCB_UNLOCK(stcb); 4188 } 4189 SCTP_INP_RUNLOCK(inp); 4190 } 4191 } 4192 break; 4193 } 4194 case SCTP_VRF_ID: 4195 { 4196 uint32_t *default_vrfid; 4197 4198 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4199 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4201 error = EINVAL; 4202 break; 4203 } 4204 inp->def_vrf_id = *default_vrfid; 4205 break; 4206 } 4207 case SCTP_DEL_VRF_ID: 4208 { 4209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4210 error = EOPNOTSUPP; 4211 break; 4212 } 4213 case SCTP_ADD_VRF_ID: 4214 { 4215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4216 error = EOPNOTSUPP; 4217 break; 4218 } 4219 case SCTP_DELAYED_SACK: 4220 { 4221 struct sctp_sack_info *sack; 4222 4223 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4224 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4225 if (sack->sack_delay) { 4226 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4227 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4228 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4229 sack->sack_delay = TICKS_TO_MSEC(1); 4230 } 4231 } 4232 if (stcb) { 4233 if (sack->sack_delay) { 4234 stcb->asoc.delayed_ack = sack->sack_delay; 4235 } 4236 if (sack->sack_freq) { 4237 stcb->asoc.sack_freq = sack->sack_freq; 4238 } 4239 SCTP_TCB_UNLOCK(stcb); 4240 } else { 4241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4243 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4244 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4245 SCTP_INP_WLOCK(inp); 4246 if (sack->sack_delay) { 4247 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4248 } 4249 if (sack->sack_freq) { 4250 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4251 } 4252 SCTP_INP_WUNLOCK(inp); 4253 } 4254 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4255 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4256 SCTP_INP_RLOCK(inp); 4257 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4258 SCTP_TCB_LOCK(stcb); 4259 if (sack->sack_delay) { 4260 stcb->asoc.delayed_ack = sack->sack_delay; 4261 } 4262 if (sack->sack_freq) { 4263 stcb->asoc.sack_freq = sack->sack_freq; 4264 } 4265 SCTP_TCB_UNLOCK(stcb); 4266 } 4267 SCTP_INP_RUNLOCK(inp); 4268 } 4269 } 4270 break; 4271 } 4272 case SCTP_AUTH_CHUNK: 4273 { 4274 struct sctp_authchunk *sauth; 4275 4276 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4277 4278 SCTP_INP_WLOCK(inp); 4279 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4281 error = EINVAL; 4282 } 4283 SCTP_INP_WUNLOCK(inp); 4284 break; 4285 } 4286 case SCTP_AUTH_KEY: 4287 { 4288 struct sctp_authkey *sca; 4289 struct sctp_keyhead *shared_keys; 4290 sctp_sharedkey_t *shared_key; 4291 sctp_key_t *key = NULL; 4292 size_t size; 4293 4294 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4295 if (sca->sca_keylength == 0) { 4296 size = optsize - sizeof(struct sctp_authkey); 4297 } else { 4298 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4299 size = sca->sca_keylength; 4300 } else { 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4302 error = EINVAL; 4303 break; 4304 } 4305 } 4306 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4307 4308 if (stcb) { 4309 shared_keys = &stcb->asoc.shared_keys; 4310 /* clear the cached keys for this key id */ 4311 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4312 /* 4313 * create the new shared key and 4314 * insert/replace it 4315 */ 4316 if (size > 0) { 4317 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4318 if (key == NULL) { 4319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4320 error = ENOMEM; 4321 SCTP_TCB_UNLOCK(stcb); 4322 break; 4323 } 4324 } 4325 shared_key = sctp_alloc_sharedkey(); 4326 if (shared_key == NULL) { 4327 sctp_free_key(key); 4328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4329 error = ENOMEM; 4330 SCTP_TCB_UNLOCK(stcb); 4331 break; 4332 } 4333 shared_key->key = key; 4334 shared_key->keyid = sca->sca_keynumber; 4335 error = sctp_insert_sharedkey(shared_keys, shared_key); 4336 SCTP_TCB_UNLOCK(stcb); 4337 } else { 4338 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4339 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4340 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4341 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4342 SCTP_INP_WLOCK(inp); 4343 shared_keys = &inp->sctp_ep.shared_keys; 4344 /* 4345 * clear the cached keys on all 4346 * assocs for this key id 4347 */ 4348 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4349 /* 4350 * create the new shared key and 4351 * insert/replace it 4352 */ 4353 if (size > 0) { 4354 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4355 if (key == NULL) { 4356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4357 error = ENOMEM; 4358 SCTP_INP_WUNLOCK(inp); 4359 break; 4360 } 4361 } 4362 shared_key = sctp_alloc_sharedkey(); 4363 if (shared_key == NULL) { 4364 sctp_free_key(key); 4365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4366 error = ENOMEM; 4367 SCTP_INP_WUNLOCK(inp); 4368 break; 4369 } 4370 shared_key->key = key; 4371 shared_key->keyid = sca->sca_keynumber; 4372 error = sctp_insert_sharedkey(shared_keys, shared_key); 4373 SCTP_INP_WUNLOCK(inp); 4374 } 4375 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4376 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4377 SCTP_INP_RLOCK(inp); 4378 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4379 SCTP_TCB_LOCK(stcb); 4380 shared_keys = &stcb->asoc.shared_keys; 4381 /* 4382 * clear the cached keys for 4383 * this key id 4384 */ 4385 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4386 /* 4387 * create the new shared key 4388 * and insert/replace it 4389 */ 4390 if (size > 0) { 4391 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4392 if (key == NULL) { 4393 SCTP_TCB_UNLOCK(stcb); 4394 continue; 4395 } 4396 } 4397 shared_key = sctp_alloc_sharedkey(); 4398 if (shared_key == NULL) { 4399 sctp_free_key(key); 4400 SCTP_TCB_UNLOCK(stcb); 4401 continue; 4402 } 4403 shared_key->key = key; 4404 shared_key->keyid = sca->sca_keynumber; 4405 error = sctp_insert_sharedkey(shared_keys, shared_key); 4406 SCTP_TCB_UNLOCK(stcb); 4407 } 4408 SCTP_INP_RUNLOCK(inp); 4409 } 4410 } 4411 break; 4412 } 4413 case SCTP_HMAC_IDENT: 4414 { 4415 struct sctp_hmacalgo *shmac; 4416 sctp_hmaclist_t *hmaclist; 4417 uint16_t hmacid; 4418 uint32_t i; 4419 4420 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4421 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4422 (shmac->shmac_number_of_idents > 0xffff)) { 4423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4424 error = EINVAL; 4425 break; 4426 } 4427 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4428 if (hmaclist == NULL) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4430 error = ENOMEM; 4431 break; 4432 } 4433 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4434 hmacid = shmac->shmac_idents[i]; 4435 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4436 /* invalid HMACs were found */ ; 4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4438 error = EINVAL; 4439 sctp_free_hmaclist(hmaclist); 4440 goto sctp_set_hmac_done; 4441 } 4442 } 4443 for (i = 0; i < hmaclist->num_algo; i++) { 4444 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4445 /* already in list */ 4446 break; 4447 } 4448 } 4449 if (i == hmaclist->num_algo) { 4450 /* not found in list */ 4451 sctp_free_hmaclist(hmaclist); 4452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4453 error = EINVAL; 4454 break; 4455 } 4456 /* set it on the endpoint */ 4457 SCTP_INP_WLOCK(inp); 4458 if (inp->sctp_ep.local_hmacs) 4459 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4460 inp->sctp_ep.local_hmacs = hmaclist; 4461 SCTP_INP_WUNLOCK(inp); 4462 sctp_set_hmac_done: 4463 break; 4464 } 4465 case SCTP_AUTH_ACTIVE_KEY: 4466 { 4467 struct sctp_authkeyid *scact; 4468 4469 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4470 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4471 4472 /* set the active key on the right place */ 4473 if (stcb) { 4474 /* set the active key on the assoc */ 4475 if (sctp_auth_setactivekey(stcb, 4476 scact->scact_keynumber)) { 4477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4478 SCTP_FROM_SCTP_USRREQ, 4479 EINVAL); 4480 error = EINVAL; 4481 } 4482 SCTP_TCB_UNLOCK(stcb); 4483 } else { 4484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4486 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4487 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4488 SCTP_INP_WLOCK(inp); 4489 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4491 error = EINVAL; 4492 } 4493 SCTP_INP_WUNLOCK(inp); 4494 } 4495 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4496 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4497 SCTP_INP_RLOCK(inp); 4498 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4499 SCTP_TCB_LOCK(stcb); 4500 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4501 SCTP_TCB_UNLOCK(stcb); 4502 } 4503 SCTP_INP_RUNLOCK(inp); 4504 } 4505 } 4506 break; 4507 } 4508 case SCTP_AUTH_DELETE_KEY: 4509 { 4510 struct sctp_authkeyid *scdel; 4511 4512 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4513 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4514 4515 /* delete the key from the right place */ 4516 if (stcb) { 4517 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4519 error = EINVAL; 4520 } 4521 SCTP_TCB_UNLOCK(stcb); 4522 } else { 4523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4524 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4525 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4526 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4527 SCTP_INP_WLOCK(inp); 4528 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4530 error = EINVAL; 4531 } 4532 SCTP_INP_WUNLOCK(inp); 4533 } 4534 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4535 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4536 SCTP_INP_RLOCK(inp); 4537 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4538 SCTP_TCB_LOCK(stcb); 4539 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4540 SCTP_TCB_UNLOCK(stcb); 4541 } 4542 SCTP_INP_RUNLOCK(inp); 4543 } 4544 } 4545 break; 4546 } 4547 case SCTP_AUTH_DEACTIVATE_KEY: 4548 { 4549 struct sctp_authkeyid *keyid; 4550 4551 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4552 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4553 4554 /* deactivate the key from the right place */ 4555 if (stcb) { 4556 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4558 error = EINVAL; 4559 } 4560 SCTP_TCB_UNLOCK(stcb); 4561 } else { 4562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4563 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4564 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4565 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4566 SCTP_INP_WLOCK(inp); 4567 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4569 error = EINVAL; 4570 } 4571 SCTP_INP_WUNLOCK(inp); 4572 } 4573 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4574 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4575 SCTP_INP_RLOCK(inp); 4576 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4577 SCTP_TCB_LOCK(stcb); 4578 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4579 SCTP_TCB_UNLOCK(stcb); 4580 } 4581 SCTP_INP_RUNLOCK(inp); 4582 } 4583 } 4584 break; 4585 } 4586 case SCTP_ENABLE_STREAM_RESET: 4587 { 4588 struct sctp_assoc_value *av; 4589 4590 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4591 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4593 error = EINVAL; 4594 break; 4595 } 4596 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4597 if (stcb) { 4598 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4599 SCTP_TCB_UNLOCK(stcb); 4600 } else { 4601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4603 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4604 (av->assoc_id == SCTP_ALL_ASSOC)) { 4605 SCTP_INP_WLOCK(inp); 4606 inp->local_strreset_support = (uint8_t) av->assoc_value; 4607 SCTP_INP_WUNLOCK(inp); 4608 } 4609 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4610 (av->assoc_id == SCTP_ALL_ASSOC)) { 4611 SCTP_INP_RLOCK(inp); 4612 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4613 SCTP_TCB_LOCK(stcb); 4614 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4615 SCTP_TCB_UNLOCK(stcb); 4616 } 4617 SCTP_INP_RUNLOCK(inp); 4618 } 4619 } 4620 break; 4621 } 4622 case SCTP_RESET_STREAMS: 4623 { 4624 struct sctp_reset_streams *strrst; 4625 int i, send_out = 0; 4626 int send_in = 0; 4627 4628 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4629 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4630 if (stcb == NULL) { 4631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4632 error = ENOENT; 4633 break; 4634 } 4635 if (stcb->asoc.reconfig_supported == 0) { 4636 /* 4637 * Peer does not support the chunk type. 4638 */ 4639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4640 error = EOPNOTSUPP; 4641 SCTP_TCB_UNLOCK(stcb); 4642 break; 4643 } 4644 if (sizeof(struct sctp_reset_streams) + 4645 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4646 error = EINVAL; 4647 SCTP_TCB_UNLOCK(stcb); 4648 break; 4649 } 4650 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4651 send_in = 1; 4652 if (stcb->asoc.stream_reset_outstanding) { 4653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4654 error = EALREADY; 4655 SCTP_TCB_UNLOCK(stcb); 4656 break; 4657 } 4658 } 4659 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4660 send_out = 1; 4661 } 4662 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4664 error = ENOMEM; 4665 SCTP_TCB_UNLOCK(stcb); 4666 break; 4667 } 4668 if ((send_in == 0) && (send_out == 0)) { 4669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4670 error = EINVAL; 4671 SCTP_TCB_UNLOCK(stcb); 4672 break; 4673 } 4674 for (i = 0; i < strrst->srs_number_streams; i++) { 4675 if ((send_in) && 4676 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4678 error = EINVAL; 4679 break; 4680 } 4681 if ((send_out) && 4682 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4684 error = EINVAL; 4685 break; 4686 } 4687 } 4688 if (error) { 4689 SCTP_TCB_UNLOCK(stcb); 4690 break; 4691 } 4692 if (send_out) { 4693 int cnt; 4694 uint16_t strm; 4695 4696 if (strrst->srs_number_streams) { 4697 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4698 strm = strrst->srs_stream_list[i]; 4699 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4700 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4701 cnt++; 4702 } 4703 } 4704 } else { 4705 /* Its all */ 4706 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4707 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4708 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4709 cnt++; 4710 } 4711 } 4712 } 4713 } 4714 if (send_in) { 4715 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4716 strrst->srs_stream_list, 4717 send_in, 0, 0, 0, 0, 0); 4718 } else { 4719 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4720 } 4721 if (error == 0) { 4722 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4723 } else { 4724 /* 4725 * For outgoing streams don't report any 4726 * problems in sending the request to the 4727 * application. XXX: Double check resetting 4728 * incoming streams. 4729 */ 4730 error = 0; 4731 } 4732 SCTP_TCB_UNLOCK(stcb); 4733 break; 4734 } 4735 case SCTP_ADD_STREAMS: 4736 { 4737 struct sctp_add_streams *stradd; 4738 uint8_t addstream = 0; 4739 uint16_t add_o_strmcnt = 0; 4740 uint16_t add_i_strmcnt = 0; 4741 4742 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4743 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4744 if (stcb == NULL) { 4745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4746 error = ENOENT; 4747 break; 4748 } 4749 if (stcb->asoc.reconfig_supported == 0) { 4750 /* 4751 * Peer does not support the chunk type. 4752 */ 4753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4754 error = EOPNOTSUPP; 4755 SCTP_TCB_UNLOCK(stcb); 4756 break; 4757 } 4758 if (stcb->asoc.stream_reset_outstanding) { 4759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4760 error = EALREADY; 4761 SCTP_TCB_UNLOCK(stcb); 4762 break; 4763 } 4764 if ((stradd->sas_outstrms == 0) && 4765 (stradd->sas_instrms == 0)) { 4766 error = EINVAL; 4767 goto skip_stuff; 4768 } 4769 if (stradd->sas_outstrms) { 4770 addstream = 1; 4771 /* We allocate here */ 4772 add_o_strmcnt = stradd->sas_outstrms; 4773 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4774 /* You can't have more than 64k */ 4775 error = EINVAL; 4776 goto skip_stuff; 4777 } 4778 } 4779 if (stradd->sas_instrms) { 4780 int cnt; 4781 4782 addstream |= 2; 4783 /* 4784 * We allocate inside 4785 * sctp_send_str_reset_req() 4786 */ 4787 add_i_strmcnt = stradd->sas_instrms; 4788 cnt = add_i_strmcnt; 4789 cnt += stcb->asoc.streamincnt; 4790 if (cnt > 0x0000ffff) { 4791 /* You can't have more than 64k */ 4792 error = EINVAL; 4793 goto skip_stuff; 4794 } 4795 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4796 /* More than you are allowed */ 4797 error = EINVAL; 4798 goto skip_stuff; 4799 } 4800 } 4801 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4802 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4803 skip_stuff: 4804 SCTP_TCB_UNLOCK(stcb); 4805 break; 4806 } 4807 case SCTP_RESET_ASSOC: 4808 { 4809 int i; 4810 uint32_t *value; 4811 4812 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4813 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4814 if (stcb == NULL) { 4815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4816 error = ENOENT; 4817 break; 4818 } 4819 if (stcb->asoc.reconfig_supported == 0) { 4820 /* 4821 * Peer does not support the chunk type. 4822 */ 4823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4824 error = EOPNOTSUPP; 4825 SCTP_TCB_UNLOCK(stcb); 4826 break; 4827 } 4828 if (stcb->asoc.stream_reset_outstanding) { 4829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4830 error = EALREADY; 4831 SCTP_TCB_UNLOCK(stcb); 4832 break; 4833 } 4834 /* 4835 * Is there any data pending in the send or sent 4836 * queues? 4837 */ 4838 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4839 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4840 busy_out: 4841 error = EBUSY; 4842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4843 SCTP_TCB_UNLOCK(stcb); 4844 break; 4845 } 4846 /* Do any streams have data queued? */ 4847 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4848 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4849 goto busy_out; 4850 } 4851 } 4852 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4853 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4854 SCTP_TCB_UNLOCK(stcb); 4855 break; 4856 } 4857 case SCTP_CONNECT_X: 4858 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4860 error = EINVAL; 4861 break; 4862 } 4863 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4864 break; 4865 case SCTP_CONNECT_X_DELAYED: 4866 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4868 error = EINVAL; 4869 break; 4870 } 4871 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4872 break; 4873 case SCTP_CONNECT_X_COMPLETE: 4874 { 4875 struct sockaddr *sa; 4876 4877 /* FIXME MT: check correct? */ 4878 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4879 4880 /* find tcb */ 4881 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4882 SCTP_INP_RLOCK(inp); 4883 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4884 if (stcb) { 4885 SCTP_TCB_LOCK(stcb); 4886 } 4887 SCTP_INP_RUNLOCK(inp); 4888 } else { 4889 /* 4890 * We increment here since 4891 * sctp_findassociation_ep_addr() wil do a 4892 * decrement if it finds the stcb as long as 4893 * the locked tcb (last argument) is NOT a 4894 * TCB.. aka NULL. 4895 */ 4896 SCTP_INP_INCR_REF(inp); 4897 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4898 if (stcb == NULL) { 4899 SCTP_INP_DECR_REF(inp); 4900 } 4901 } 4902 4903 if (stcb == NULL) { 4904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4905 error = ENOENT; 4906 break; 4907 } 4908 if (stcb->asoc.delayed_connection == 1) { 4909 stcb->asoc.delayed_connection = 0; 4910 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4911 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4912 stcb->asoc.primary_destination, 4913 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4914 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4915 } else { 4916 /* 4917 * already expired or did not use delayed 4918 * connectx 4919 */ 4920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4921 error = EALREADY; 4922 } 4923 SCTP_TCB_UNLOCK(stcb); 4924 break; 4925 } 4926 case SCTP_MAX_BURST: 4927 { 4928 struct sctp_assoc_value *av; 4929 4930 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4931 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4932 4933 if (stcb) { 4934 stcb->asoc.max_burst = av->assoc_value; 4935 SCTP_TCB_UNLOCK(stcb); 4936 } else { 4937 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4938 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4939 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4940 (av->assoc_id == SCTP_ALL_ASSOC)) { 4941 SCTP_INP_WLOCK(inp); 4942 inp->sctp_ep.max_burst = av->assoc_value; 4943 SCTP_INP_WUNLOCK(inp); 4944 } 4945 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4946 (av->assoc_id == SCTP_ALL_ASSOC)) { 4947 SCTP_INP_RLOCK(inp); 4948 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4949 SCTP_TCB_LOCK(stcb); 4950 stcb->asoc.max_burst = av->assoc_value; 4951 SCTP_TCB_UNLOCK(stcb); 4952 } 4953 SCTP_INP_RUNLOCK(inp); 4954 } 4955 } 4956 break; 4957 } 4958 case SCTP_MAXSEG: 4959 { 4960 struct sctp_assoc_value *av; 4961 int ovh; 4962 4963 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4964 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4965 4966 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4967 ovh = SCTP_MED_OVERHEAD; 4968 } else { 4969 ovh = SCTP_MED_V4_OVERHEAD; 4970 } 4971 if (stcb) { 4972 if (av->assoc_value) { 4973 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4974 } else { 4975 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4976 } 4977 SCTP_TCB_UNLOCK(stcb); 4978 } else { 4979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4980 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4981 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4982 SCTP_INP_WLOCK(inp); 4983 /* 4984 * FIXME MT: I think this is not in 4985 * tune with the API ID 4986 */ 4987 if (av->assoc_value) { 4988 inp->sctp_frag_point = (av->assoc_value + ovh); 4989 } else { 4990 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4991 } 4992 SCTP_INP_WUNLOCK(inp); 4993 } else { 4994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4995 error = EINVAL; 4996 } 4997 } 4998 break; 4999 } 5000 case SCTP_EVENTS: 5001 { 5002 struct sctp_event_subscribe *events; 5003 5004 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5005 5006 SCTP_INP_WLOCK(inp); 5007 if (events->sctp_data_io_event) { 5008 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5009 } else { 5010 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5011 } 5012 5013 if (events->sctp_association_event) { 5014 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5015 } else { 5016 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5017 } 5018 5019 if (events->sctp_address_event) { 5020 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5021 } else { 5022 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5023 } 5024 5025 if (events->sctp_send_failure_event) { 5026 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5027 } else { 5028 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5029 } 5030 5031 if (events->sctp_peer_error_event) { 5032 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5033 } else { 5034 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5035 } 5036 5037 if (events->sctp_shutdown_event) { 5038 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5039 } else { 5040 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5041 } 5042 5043 if (events->sctp_partial_delivery_event) { 5044 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5045 } else { 5046 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5047 } 5048 5049 if (events->sctp_adaptation_layer_event) { 5050 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5051 } else { 5052 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5053 } 5054 5055 if (events->sctp_authentication_event) { 5056 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5057 } else { 5058 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5059 } 5060 5061 if (events->sctp_sender_dry_event) { 5062 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5063 } else { 5064 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5065 } 5066 5067 if (events->sctp_stream_reset_event) { 5068 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5069 } else { 5070 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5071 } 5072 SCTP_INP_WUNLOCK(inp); 5073 5074 SCTP_INP_RLOCK(inp); 5075 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5076 SCTP_TCB_LOCK(stcb); 5077 if (events->sctp_association_event) { 5078 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5079 } else { 5080 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5081 } 5082 if (events->sctp_address_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5086 } 5087 if (events->sctp_send_failure_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5091 } 5092 if (events->sctp_peer_error_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5096 } 5097 if (events->sctp_shutdown_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5101 } 5102 if (events->sctp_partial_delivery_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5106 } 5107 if (events->sctp_adaptation_layer_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5111 } 5112 if (events->sctp_authentication_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5116 } 5117 if (events->sctp_sender_dry_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5121 } 5122 if (events->sctp_stream_reset_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5126 } 5127 SCTP_TCB_UNLOCK(stcb); 5128 } 5129 /* 5130 * Send up the sender dry event only for 1-to-1 5131 * style sockets. 5132 */ 5133 if (events->sctp_sender_dry_event) { 5134 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5135 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5136 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5137 if (stcb) { 5138 SCTP_TCB_LOCK(stcb); 5139 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5140 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5141 (stcb->asoc.stream_queue_cnt == 0)) { 5142 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5143 } 5144 SCTP_TCB_UNLOCK(stcb); 5145 } 5146 } 5147 } 5148 SCTP_INP_RUNLOCK(inp); 5149 break; 5150 } 5151 case SCTP_ADAPTATION_LAYER: 5152 { 5153 struct sctp_setadaptation *adap_bits; 5154 5155 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5156 SCTP_INP_WLOCK(inp); 5157 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5158 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5159 SCTP_INP_WUNLOCK(inp); 5160 break; 5161 } 5162 #ifdef SCTP_DEBUG 5163 case SCTP_SET_INITIAL_DBG_SEQ: 5164 { 5165 uint32_t *vvv; 5166 5167 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5168 SCTP_INP_WLOCK(inp); 5169 inp->sctp_ep.initial_sequence_debug = *vvv; 5170 SCTP_INP_WUNLOCK(inp); 5171 break; 5172 } 5173 #endif 5174 case SCTP_DEFAULT_SEND_PARAM: 5175 { 5176 struct sctp_sndrcvinfo *s_info; 5177 5178 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5179 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5180 5181 if (stcb) { 5182 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5183 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5184 } else { 5185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5186 error = EINVAL; 5187 } 5188 SCTP_TCB_UNLOCK(stcb); 5189 } else { 5190 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5191 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5192 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5193 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5194 SCTP_INP_WLOCK(inp); 5195 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5196 SCTP_INP_WUNLOCK(inp); 5197 } 5198 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5199 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5200 SCTP_INP_RLOCK(inp); 5201 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5202 SCTP_TCB_LOCK(stcb); 5203 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5204 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5205 } 5206 SCTP_TCB_UNLOCK(stcb); 5207 } 5208 SCTP_INP_RUNLOCK(inp); 5209 } 5210 } 5211 break; 5212 } 5213 case SCTP_PEER_ADDR_PARAMS: 5214 { 5215 struct sctp_paddrparams *paddrp; 5216 struct sctp_nets *net; 5217 struct sockaddr *addr; 5218 5219 #if defined(INET) && defined(INET6) 5220 struct sockaddr_in sin_store; 5221 5222 #endif 5223 5224 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5225 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5226 5227 #if defined(INET) && defined(INET6) 5228 if (paddrp->spp_address.ss_family == AF_INET6) { 5229 struct sockaddr_in6 *sin6; 5230 5231 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5232 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5233 in6_sin6_2_sin(&sin_store, sin6); 5234 addr = (struct sockaddr *)&sin_store; 5235 } else { 5236 addr = (struct sockaddr *)&paddrp->spp_address; 5237 } 5238 } else { 5239 addr = (struct sockaddr *)&paddrp->spp_address; 5240 } 5241 #else 5242 addr = (struct sockaddr *)&paddrp->spp_address; 5243 #endif 5244 if (stcb != NULL) { 5245 net = sctp_findnet(stcb, addr); 5246 } else { 5247 /* 5248 * We increment here since 5249 * sctp_findassociation_ep_addr() wil do a 5250 * decrement if it finds the stcb as long as 5251 * the locked tcb (last argument) is NOT a 5252 * TCB.. aka NULL. 5253 */ 5254 net = NULL; 5255 SCTP_INP_INCR_REF(inp); 5256 stcb = sctp_findassociation_ep_addr(&inp, addr, 5257 &net, NULL, NULL); 5258 if (stcb == NULL) { 5259 SCTP_INP_DECR_REF(inp); 5260 } 5261 } 5262 if ((stcb != NULL) && (net == NULL)) { 5263 #ifdef INET 5264 if (addr->sa_family == AF_INET) { 5265 5266 struct sockaddr_in *sin; 5267 5268 sin = (struct sockaddr_in *)addr; 5269 if (sin->sin_addr.s_addr != INADDR_ANY) { 5270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5271 SCTP_TCB_UNLOCK(stcb); 5272 error = EINVAL; 5273 break; 5274 } 5275 } else 5276 #endif 5277 #ifdef INET6 5278 if (addr->sa_family == AF_INET6) { 5279 struct sockaddr_in6 *sin6; 5280 5281 sin6 = (struct sockaddr_in6 *)addr; 5282 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5284 SCTP_TCB_UNLOCK(stcb); 5285 error = EINVAL; 5286 break; 5287 } 5288 } else 5289 #endif 5290 { 5291 error = EAFNOSUPPORT; 5292 SCTP_TCB_UNLOCK(stcb); 5293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5294 break; 5295 } 5296 } 5297 /* sanity checks */ 5298 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5299 if (stcb) 5300 SCTP_TCB_UNLOCK(stcb); 5301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5302 return (EINVAL); 5303 } 5304 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5305 if (stcb) 5306 SCTP_TCB_UNLOCK(stcb); 5307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5308 return (EINVAL); 5309 } 5310 if (stcb != NULL) { 5311 /************************TCB SPECIFIC SET ******************/ 5312 if (net != NULL) { 5313 /************************NET SPECIFIC SET ******************/ 5314 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5315 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5316 !(net->dest_state & SCTP_ADDR_NOHB)) { 5317 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5318 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5319 } 5320 net->dest_state |= SCTP_ADDR_NOHB; 5321 } 5322 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5323 if (paddrp->spp_hbinterval) { 5324 net->heart_beat_delay = paddrp->spp_hbinterval; 5325 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5326 net->heart_beat_delay = 0; 5327 } 5328 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5329 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5330 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5331 net->dest_state &= ~SCTP_ADDR_NOHB; 5332 } 5333 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5334 /* on demand HB */ 5335 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5336 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5337 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5338 } 5339 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5340 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5341 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5342 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5343 } 5344 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5345 net->mtu = paddrp->spp_pathmtu; 5346 switch (net->ro._l_addr.sa.sa_family) { 5347 #ifdef INET 5348 case AF_INET: 5349 net->mtu += SCTP_MIN_V4_OVERHEAD; 5350 break; 5351 #endif 5352 #ifdef INET6 5353 case AF_INET6: 5354 net->mtu += SCTP_MIN_OVERHEAD; 5355 break; 5356 #endif 5357 default: 5358 break; 5359 } 5360 if (net->mtu < stcb->asoc.smallest_mtu) { 5361 sctp_pathmtu_adjustment(stcb, net->mtu); 5362 } 5363 } 5364 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5365 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5366 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5367 } 5368 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5369 } 5370 if (paddrp->spp_pathmaxrxt) { 5371 if (net->dest_state & SCTP_ADDR_PF) { 5372 if (net->error_count > paddrp->spp_pathmaxrxt) { 5373 net->dest_state &= ~SCTP_ADDR_PF; 5374 } 5375 } else { 5376 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5377 (net->error_count > net->pf_threshold)) { 5378 net->dest_state |= SCTP_ADDR_PF; 5379 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5380 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5381 stcb->sctp_ep, stcb, net, 5382 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5383 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5384 } 5385 } 5386 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5387 if (net->error_count > paddrp->spp_pathmaxrxt) { 5388 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5390 } 5391 } else { 5392 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5393 net->dest_state |= SCTP_ADDR_REACHABLE; 5394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5395 } 5396 } 5397 net->failure_threshold = paddrp->spp_pathmaxrxt; 5398 } 5399 if (paddrp->spp_flags & SPP_DSCP) { 5400 net->dscp = paddrp->spp_dscp & 0xfc; 5401 net->dscp |= 0x01; 5402 } 5403 #ifdef INET6 5404 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5405 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5406 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5407 net->flowlabel |= 0x80000000; 5408 } 5409 } 5410 #endif 5411 } else { 5412 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5413 if (paddrp->spp_pathmaxrxt != 0) { 5414 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5415 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5416 if (net->dest_state & SCTP_ADDR_PF) { 5417 if (net->error_count > paddrp->spp_pathmaxrxt) { 5418 net->dest_state &= ~SCTP_ADDR_PF; 5419 } 5420 } else { 5421 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5422 (net->error_count > net->pf_threshold)) { 5423 net->dest_state |= SCTP_ADDR_PF; 5424 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5425 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5426 stcb->sctp_ep, stcb, net, 5427 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5428 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5429 } 5430 } 5431 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5432 if (net->error_count > paddrp->spp_pathmaxrxt) { 5433 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5434 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5435 } 5436 } else { 5437 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5438 net->dest_state |= SCTP_ADDR_REACHABLE; 5439 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5440 } 5441 } 5442 net->failure_threshold = paddrp->spp_pathmaxrxt; 5443 } 5444 } 5445 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5446 if (paddrp->spp_hbinterval != 0) { 5447 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5448 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5449 stcb->asoc.heart_beat_delay = 0; 5450 } 5451 /* Turn back on the timer */ 5452 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5453 if (paddrp->spp_hbinterval != 0) { 5454 net->heart_beat_delay = paddrp->spp_hbinterval; 5455 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5456 net->heart_beat_delay = 0; 5457 } 5458 if (net->dest_state & SCTP_ADDR_NOHB) { 5459 net->dest_state &= ~SCTP_ADDR_NOHB; 5460 } 5461 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5462 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5463 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5464 } 5465 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5466 } 5467 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5468 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5469 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5470 net->dest_state |= SCTP_ADDR_NOHB; 5471 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5472 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5473 inp, stcb, net, 5474 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5475 } 5476 } 5477 } 5478 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5479 } 5480 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5481 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5482 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5483 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5484 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5485 } 5486 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5487 net->mtu = paddrp->spp_pathmtu; 5488 switch (net->ro._l_addr.sa.sa_family) { 5489 #ifdef INET 5490 case AF_INET: 5491 net->mtu += SCTP_MIN_V4_OVERHEAD; 5492 break; 5493 #endif 5494 #ifdef INET6 5495 case AF_INET6: 5496 net->mtu += SCTP_MIN_OVERHEAD; 5497 break; 5498 #endif 5499 default: 5500 break; 5501 } 5502 if (net->mtu < stcb->asoc.smallest_mtu) { 5503 sctp_pathmtu_adjustment(stcb, net->mtu); 5504 } 5505 } 5506 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5507 } 5508 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5509 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5510 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5511 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5512 } 5513 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5514 } 5515 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5516 } 5517 if (paddrp->spp_flags & SPP_DSCP) { 5518 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5519 net->dscp = paddrp->spp_dscp & 0xfc; 5520 net->dscp |= 0x01; 5521 } 5522 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5523 stcb->asoc.default_dscp |= 0x01; 5524 } 5525 #ifdef INET6 5526 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5527 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5528 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5529 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5530 net->flowlabel |= 0x80000000; 5531 } 5532 } 5533 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5534 stcb->asoc.default_flowlabel |= 0x80000000; 5535 } 5536 #endif 5537 } 5538 SCTP_TCB_UNLOCK(stcb); 5539 } else { 5540 /************************NO TCB, SET TO default stuff ******************/ 5541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5543 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5544 SCTP_INP_WLOCK(inp); 5545 /* 5546 * For the TOS/FLOWLABEL stuff you 5547 * set it with the options on the 5548 * socket 5549 */ 5550 if (paddrp->spp_pathmaxrxt != 0) { 5551 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5552 } 5553 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5554 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5555 else if (paddrp->spp_hbinterval != 0) { 5556 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5557 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5558 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5559 } 5560 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5561 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5562 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5563 } else if (paddrp->spp_hbinterval) { 5564 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5565 } 5566 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5567 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5568 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5569 } 5570 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5571 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5572 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5573 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5574 } 5575 if (paddrp->spp_flags & SPP_DSCP) { 5576 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5577 inp->sctp_ep.default_dscp |= 0x01; 5578 } 5579 #ifdef INET6 5580 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5581 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5582 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5583 inp->sctp_ep.default_flowlabel |= 0x80000000; 5584 } 5585 } 5586 #endif 5587 SCTP_INP_WUNLOCK(inp); 5588 } else { 5589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5590 error = EINVAL; 5591 } 5592 } 5593 break; 5594 } 5595 case SCTP_RTOINFO: 5596 { 5597 struct sctp_rtoinfo *srto; 5598 uint32_t new_init, new_min, new_max; 5599 5600 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5601 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5602 5603 if (stcb) { 5604 if (srto->srto_initial) 5605 new_init = srto->srto_initial; 5606 else 5607 new_init = stcb->asoc.initial_rto; 5608 if (srto->srto_max) 5609 new_max = srto->srto_max; 5610 else 5611 new_max = stcb->asoc.maxrto; 5612 if (srto->srto_min) 5613 new_min = srto->srto_min; 5614 else 5615 new_min = stcb->asoc.minrto; 5616 if ((new_min <= new_init) && (new_init <= new_max)) { 5617 stcb->asoc.initial_rto = new_init; 5618 stcb->asoc.maxrto = new_max; 5619 stcb->asoc.minrto = new_min; 5620 } else { 5621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5622 error = EINVAL; 5623 } 5624 SCTP_TCB_UNLOCK(stcb); 5625 } else { 5626 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5627 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5628 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5629 SCTP_INP_WLOCK(inp); 5630 if (srto->srto_initial) 5631 new_init = srto->srto_initial; 5632 else 5633 new_init = inp->sctp_ep.initial_rto; 5634 if (srto->srto_max) 5635 new_max = srto->srto_max; 5636 else 5637 new_max = inp->sctp_ep.sctp_maxrto; 5638 if (srto->srto_min) 5639 new_min = srto->srto_min; 5640 else 5641 new_min = inp->sctp_ep.sctp_minrto; 5642 if ((new_min <= new_init) && (new_init <= new_max)) { 5643 inp->sctp_ep.initial_rto = new_init; 5644 inp->sctp_ep.sctp_maxrto = new_max; 5645 inp->sctp_ep.sctp_minrto = new_min; 5646 } else { 5647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5648 error = EINVAL; 5649 } 5650 SCTP_INP_WUNLOCK(inp); 5651 } else { 5652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5653 error = EINVAL; 5654 } 5655 } 5656 break; 5657 } 5658 case SCTP_ASSOCINFO: 5659 { 5660 struct sctp_assocparams *sasoc; 5661 5662 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5663 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5664 if (sasoc->sasoc_cookie_life) { 5665 /* boundary check the cookie life */ 5666 if (sasoc->sasoc_cookie_life < 1000) 5667 sasoc->sasoc_cookie_life = 1000; 5668 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5669 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5670 } 5671 } 5672 if (stcb) { 5673 if (sasoc->sasoc_asocmaxrxt) 5674 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5675 if (sasoc->sasoc_cookie_life) { 5676 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5677 } 5678 SCTP_TCB_UNLOCK(stcb); 5679 } else { 5680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5682 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5683 SCTP_INP_WLOCK(inp); 5684 if (sasoc->sasoc_asocmaxrxt) 5685 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5686 if (sasoc->sasoc_cookie_life) { 5687 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5688 } 5689 SCTP_INP_WUNLOCK(inp); 5690 } else { 5691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5692 error = EINVAL; 5693 } 5694 } 5695 break; 5696 } 5697 case SCTP_INITMSG: 5698 { 5699 struct sctp_initmsg *sinit; 5700 5701 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5702 SCTP_INP_WLOCK(inp); 5703 if (sinit->sinit_num_ostreams) 5704 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5705 5706 if (sinit->sinit_max_instreams) 5707 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5708 5709 if (sinit->sinit_max_attempts) 5710 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5711 5712 if (sinit->sinit_max_init_timeo) 5713 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5714 SCTP_INP_WUNLOCK(inp); 5715 break; 5716 } 5717 case SCTP_PRIMARY_ADDR: 5718 { 5719 struct sctp_setprim *spa; 5720 struct sctp_nets *net; 5721 struct sockaddr *addr; 5722 5723 #if defined(INET) && defined(INET6) 5724 struct sockaddr_in sin_store; 5725 5726 #endif 5727 5728 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5729 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5730 5731 #if defined(INET) && defined(INET6) 5732 if (spa->ssp_addr.ss_family == AF_INET6) { 5733 struct sockaddr_in6 *sin6; 5734 5735 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5736 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5737 in6_sin6_2_sin(&sin_store, sin6); 5738 addr = (struct sockaddr *)&sin_store; 5739 } else { 5740 addr = (struct sockaddr *)&spa->ssp_addr; 5741 } 5742 } else { 5743 addr = (struct sockaddr *)&spa->ssp_addr; 5744 } 5745 #else 5746 addr = (struct sockaddr *)&spa->ssp_addr; 5747 #endif 5748 if (stcb != NULL) { 5749 net = sctp_findnet(stcb, addr); 5750 } else { 5751 /* 5752 * We increment here since 5753 * sctp_findassociation_ep_addr() wil do a 5754 * decrement if it finds the stcb as long as 5755 * the locked tcb (last argument) is NOT a 5756 * TCB.. aka NULL. 5757 */ 5758 net = NULL; 5759 SCTP_INP_INCR_REF(inp); 5760 stcb = sctp_findassociation_ep_addr(&inp, addr, 5761 &net, NULL, NULL); 5762 if (stcb == NULL) { 5763 SCTP_INP_DECR_REF(inp); 5764 } 5765 } 5766 5767 if ((stcb != NULL) && (net != NULL)) { 5768 if (net != stcb->asoc.primary_destination) { 5769 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5770 /* Ok we need to set it */ 5771 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5772 if ((stcb->asoc.alternate) && 5773 (!(net->dest_state & SCTP_ADDR_PF)) && 5774 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5775 sctp_free_remote_addr(stcb->asoc.alternate); 5776 stcb->asoc.alternate = NULL; 5777 } 5778 } else { 5779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5780 error = EINVAL; 5781 } 5782 } else { 5783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5784 error = EINVAL; 5785 } 5786 } 5787 } else { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 error = EINVAL; 5790 } 5791 if (stcb != NULL) { 5792 SCTP_TCB_UNLOCK(stcb); 5793 } 5794 break; 5795 } 5796 case SCTP_SET_DYNAMIC_PRIMARY: 5797 { 5798 union sctp_sockstore *ss; 5799 5800 error = priv_check(curthread, 5801 PRIV_NETINET_RESERVEDPORT); 5802 if (error) 5803 break; 5804 5805 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5806 /* SUPER USER CHECK? */ 5807 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5808 break; 5809 } 5810 case SCTP_SET_PEER_PRIMARY_ADDR: 5811 { 5812 struct sctp_setpeerprim *sspp; 5813 struct sockaddr *addr; 5814 5815 #if defined(INET) && defined(INET6) 5816 struct sockaddr_in sin_store; 5817 5818 #endif 5819 5820 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5821 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5822 if (stcb != NULL) { 5823 struct sctp_ifa *ifa; 5824 5825 #if defined(INET) && defined(INET6) 5826 if (sspp->sspp_addr.ss_family == AF_INET6) { 5827 struct sockaddr_in6 *sin6; 5828 5829 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5830 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5831 in6_sin6_2_sin(&sin_store, sin6); 5832 addr = (struct sockaddr *)&sin_store; 5833 } else { 5834 addr = (struct sockaddr *)&sspp->sspp_addr; 5835 } 5836 } else { 5837 addr = (struct sockaddr *)&sspp->sspp_addr; 5838 } 5839 #else 5840 addr = (struct sockaddr *)&sspp->sspp_addr; 5841 #endif 5842 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5843 if (ifa == NULL) { 5844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5845 error = EINVAL; 5846 goto out_of_it; 5847 } 5848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5849 /* 5850 * Must validate the ifa found is in 5851 * our ep 5852 */ 5853 struct sctp_laddr *laddr; 5854 int found = 0; 5855 5856 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5857 if (laddr->ifa == NULL) { 5858 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5859 __func__); 5860 continue; 5861 } 5862 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5863 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5864 continue; 5865 } 5866 if (laddr->ifa == ifa) { 5867 found = 1; 5868 break; 5869 } 5870 } 5871 if (!found) { 5872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5873 error = EINVAL; 5874 goto out_of_it; 5875 } 5876 } else { 5877 switch (addr->sa_family) { 5878 #ifdef INET 5879 case AF_INET: 5880 { 5881 struct sockaddr_in *sin; 5882 5883 sin = (struct sockaddr_in *)addr; 5884 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5885 &sin->sin_addr) != 0) { 5886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5887 error = EINVAL; 5888 goto out_of_it; 5889 } 5890 break; 5891 } 5892 #endif 5893 #ifdef INET6 5894 case AF_INET6: 5895 { 5896 struct sockaddr_in6 *sin6; 5897 5898 sin6 = (struct sockaddr_in6 *)addr; 5899 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5900 &sin6->sin6_addr) != 0) { 5901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5902 error = EINVAL; 5903 goto out_of_it; 5904 } 5905 break; 5906 } 5907 #endif 5908 default: 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5910 error = EINVAL; 5911 goto out_of_it; 5912 } 5913 } 5914 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 } 5918 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5919 out_of_it: 5920 SCTP_TCB_UNLOCK(stcb); 5921 } else { 5922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5923 error = EINVAL; 5924 } 5925 break; 5926 } 5927 case SCTP_BINDX_ADD_ADDR: 5928 { 5929 struct sctp_getaddresses *addrs; 5930 struct thread *td; 5931 5932 td = (struct thread *)p; 5933 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5934 optsize); 5935 #ifdef INET 5936 if (addrs->addr->sa_family == AF_INET) { 5937 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5939 error = EINVAL; 5940 break; 5941 } 5942 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5943 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5944 break; 5945 } 5946 } else 5947 #endif 5948 #ifdef INET6 5949 if (addrs->addr->sa_family == AF_INET6) { 5950 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5952 error = EINVAL; 5953 break; 5954 } 5955 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5956 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5957 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5958 break; 5959 } 5960 } else 5961 #endif 5962 { 5963 error = EAFNOSUPPORT; 5964 break; 5965 } 5966 sctp_bindx_add_address(so, inp, addrs->addr, 5967 addrs->sget_assoc_id, vrf_id, 5968 &error, p); 5969 break; 5970 } 5971 case SCTP_BINDX_REM_ADDR: 5972 { 5973 struct sctp_getaddresses *addrs; 5974 struct thread *td; 5975 5976 td = (struct thread *)p; 5977 5978 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5979 #ifdef INET 5980 if (addrs->addr->sa_family == AF_INET) { 5981 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5983 error = EINVAL; 5984 break; 5985 } 5986 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5987 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5988 break; 5989 } 5990 } else 5991 #endif 5992 #ifdef INET6 5993 if (addrs->addr->sa_family == AF_INET6) { 5994 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5996 error = EINVAL; 5997 break; 5998 } 5999 if (td != NULL && 6000 (error = prison_local_ip6(td->td_ucred, 6001 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6002 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6003 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6004 break; 6005 } 6006 } else 6007 #endif 6008 { 6009 error = EAFNOSUPPORT; 6010 break; 6011 } 6012 sctp_bindx_delete_address(inp, addrs->addr, 6013 addrs->sget_assoc_id, vrf_id, 6014 &error); 6015 break; 6016 } 6017 case SCTP_EVENT: 6018 { 6019 struct sctp_event *event; 6020 uint32_t event_type; 6021 6022 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6023 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6024 switch (event->se_type) { 6025 case SCTP_ASSOC_CHANGE: 6026 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6027 break; 6028 case SCTP_PEER_ADDR_CHANGE: 6029 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6030 break; 6031 case SCTP_REMOTE_ERROR: 6032 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6033 break; 6034 case SCTP_SEND_FAILED: 6035 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6036 break; 6037 case SCTP_SHUTDOWN_EVENT: 6038 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6039 break; 6040 case SCTP_ADAPTATION_INDICATION: 6041 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6042 break; 6043 case SCTP_PARTIAL_DELIVERY_EVENT: 6044 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6045 break; 6046 case SCTP_AUTHENTICATION_EVENT: 6047 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6048 break; 6049 case SCTP_STREAM_RESET_EVENT: 6050 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6051 break; 6052 case SCTP_SENDER_DRY_EVENT: 6053 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6054 break; 6055 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6056 event_type = 0; 6057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6058 error = ENOTSUP; 6059 break; 6060 case SCTP_ASSOC_RESET_EVENT: 6061 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6062 break; 6063 case SCTP_STREAM_CHANGE_EVENT: 6064 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6065 break; 6066 case SCTP_SEND_FAILED_EVENT: 6067 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6068 break; 6069 default: 6070 event_type = 0; 6071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6072 error = EINVAL; 6073 break; 6074 } 6075 if (event_type > 0) { 6076 if (stcb) { 6077 if (event->se_on) { 6078 sctp_stcb_feature_on(inp, stcb, event_type); 6079 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6080 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6081 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6082 (stcb->asoc.stream_queue_cnt == 0)) { 6083 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6084 } 6085 } 6086 } else { 6087 sctp_stcb_feature_off(inp, stcb, event_type); 6088 } 6089 SCTP_TCB_UNLOCK(stcb); 6090 } else { 6091 /* 6092 * We don't want to send up a storm 6093 * of events, so return an error for 6094 * sender dry events 6095 */ 6096 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6097 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6098 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6099 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6100 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6102 error = ENOTSUP; 6103 break; 6104 } 6105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6107 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6108 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6109 SCTP_INP_WLOCK(inp); 6110 if (event->se_on) { 6111 sctp_feature_on(inp, event_type); 6112 } else { 6113 sctp_feature_off(inp, event_type); 6114 } 6115 SCTP_INP_WUNLOCK(inp); 6116 } 6117 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6118 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6119 SCTP_INP_RLOCK(inp); 6120 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6121 SCTP_TCB_LOCK(stcb); 6122 if (event->se_on) { 6123 sctp_stcb_feature_on(inp, stcb, event_type); 6124 } else { 6125 sctp_stcb_feature_off(inp, stcb, event_type); 6126 } 6127 SCTP_TCB_UNLOCK(stcb); 6128 } 6129 SCTP_INP_RUNLOCK(inp); 6130 } 6131 } 6132 } 6133 break; 6134 } 6135 case SCTP_RECVRCVINFO: 6136 { 6137 int *onoff; 6138 6139 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6140 SCTP_INP_WLOCK(inp); 6141 if (*onoff != 0) { 6142 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6143 } else { 6144 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6145 } 6146 SCTP_INP_WUNLOCK(inp); 6147 break; 6148 } 6149 case SCTP_RECVNXTINFO: 6150 { 6151 int *onoff; 6152 6153 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6154 SCTP_INP_WLOCK(inp); 6155 if (*onoff != 0) { 6156 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6157 } else { 6158 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6159 } 6160 SCTP_INP_WUNLOCK(inp); 6161 break; 6162 } 6163 case SCTP_DEFAULT_SNDINFO: 6164 { 6165 struct sctp_sndinfo *info; 6166 uint16_t policy; 6167 6168 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6169 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6170 6171 if (stcb) { 6172 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6173 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6174 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6175 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6176 stcb->asoc.def_send.sinfo_flags |= policy; 6177 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6178 stcb->asoc.def_send.sinfo_context = info->snd_context; 6179 } else { 6180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6181 error = EINVAL; 6182 } 6183 SCTP_TCB_UNLOCK(stcb); 6184 } else { 6185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6187 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6188 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6189 SCTP_INP_WLOCK(inp); 6190 inp->def_send.sinfo_stream = info->snd_sid; 6191 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6192 inp->def_send.sinfo_flags = info->snd_flags; 6193 inp->def_send.sinfo_flags |= policy; 6194 inp->def_send.sinfo_ppid = info->snd_ppid; 6195 inp->def_send.sinfo_context = info->snd_context; 6196 SCTP_INP_WUNLOCK(inp); 6197 } 6198 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6199 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6200 SCTP_INP_RLOCK(inp); 6201 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6202 SCTP_TCB_LOCK(stcb); 6203 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6204 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6205 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6206 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6207 stcb->asoc.def_send.sinfo_flags |= policy; 6208 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6209 stcb->asoc.def_send.sinfo_context = info->snd_context; 6210 } 6211 SCTP_TCB_UNLOCK(stcb); 6212 } 6213 SCTP_INP_RUNLOCK(inp); 6214 } 6215 } 6216 break; 6217 } 6218 case SCTP_DEFAULT_PRINFO: 6219 { 6220 struct sctp_default_prinfo *info; 6221 6222 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6223 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6224 6225 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6227 error = EINVAL; 6228 break; 6229 } 6230 if (stcb) { 6231 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6232 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6233 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6234 SCTP_TCB_UNLOCK(stcb); 6235 } else { 6236 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6237 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6238 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6239 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6240 SCTP_INP_WLOCK(inp); 6241 inp->def_send.sinfo_flags &= 0xfff0; 6242 inp->def_send.sinfo_flags |= info->pr_policy; 6243 inp->def_send.sinfo_timetolive = info->pr_value; 6244 SCTP_INP_WUNLOCK(inp); 6245 } 6246 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6247 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6248 SCTP_INP_RLOCK(inp); 6249 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6250 SCTP_TCB_LOCK(stcb); 6251 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6252 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6253 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6254 SCTP_TCB_UNLOCK(stcb); 6255 } 6256 SCTP_INP_RUNLOCK(inp); 6257 } 6258 } 6259 break; 6260 } 6261 case SCTP_PEER_ADDR_THLDS: 6262 /* Applies to the specific association */ 6263 { 6264 struct sctp_paddrthlds *thlds; 6265 struct sctp_nets *net; 6266 struct sockaddr *addr; 6267 6268 #if defined(INET) && defined(INET6) 6269 struct sockaddr_in sin_store; 6270 6271 #endif 6272 6273 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6274 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6275 6276 #if defined(INET) && defined(INET6) 6277 if (thlds->spt_address.ss_family == AF_INET6) { 6278 struct sockaddr_in6 *sin6; 6279 6280 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6281 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6282 in6_sin6_2_sin(&sin_store, sin6); 6283 addr = (struct sockaddr *)&sin_store; 6284 } else { 6285 addr = (struct sockaddr *)&thlds->spt_address; 6286 } 6287 } else { 6288 addr = (struct sockaddr *)&thlds->spt_address; 6289 } 6290 #else 6291 addr = (struct sockaddr *)&thlds->spt_address; 6292 #endif 6293 if (stcb != NULL) { 6294 net = sctp_findnet(stcb, addr); 6295 } else { 6296 /* 6297 * We increment here since 6298 * sctp_findassociation_ep_addr() wil do a 6299 * decrement if it finds the stcb as long as 6300 * the locked tcb (last argument) is NOT a 6301 * TCB.. aka NULL. 6302 */ 6303 net = NULL; 6304 SCTP_INP_INCR_REF(inp); 6305 stcb = sctp_findassociation_ep_addr(&inp, addr, 6306 &net, NULL, NULL); 6307 if (stcb == NULL) { 6308 SCTP_INP_DECR_REF(inp); 6309 } 6310 } 6311 if ((stcb != NULL) && (net == NULL)) { 6312 #ifdef INET 6313 if (addr->sa_family == AF_INET) { 6314 6315 struct sockaddr_in *sin; 6316 6317 sin = (struct sockaddr_in *)addr; 6318 if (sin->sin_addr.s_addr != INADDR_ANY) { 6319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6320 SCTP_TCB_UNLOCK(stcb); 6321 error = EINVAL; 6322 break; 6323 } 6324 } else 6325 #endif 6326 #ifdef INET6 6327 if (addr->sa_family == AF_INET6) { 6328 struct sockaddr_in6 *sin6; 6329 6330 sin6 = (struct sockaddr_in6 *)addr; 6331 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6333 SCTP_TCB_UNLOCK(stcb); 6334 error = EINVAL; 6335 break; 6336 } 6337 } else 6338 #endif 6339 { 6340 error = EAFNOSUPPORT; 6341 SCTP_TCB_UNLOCK(stcb); 6342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6343 break; 6344 } 6345 } 6346 if (stcb != NULL) { 6347 if (net != NULL) { 6348 net->failure_threshold = thlds->spt_pathmaxrxt; 6349 net->pf_threshold = thlds->spt_pathpfthld; 6350 if (net->dest_state & SCTP_ADDR_PF) { 6351 if ((net->error_count > net->failure_threshold) || 6352 (net->error_count <= net->pf_threshold)) { 6353 net->dest_state &= ~SCTP_ADDR_PF; 6354 } 6355 } else { 6356 if ((net->error_count > net->pf_threshold) && 6357 (net->error_count <= net->failure_threshold)) { 6358 net->dest_state |= SCTP_ADDR_PF; 6359 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6360 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6361 stcb->sctp_ep, stcb, net, 6362 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6363 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6364 } 6365 } 6366 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6367 if (net->error_count > net->failure_threshold) { 6368 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6369 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6370 } 6371 } else { 6372 if (net->error_count <= net->failure_threshold) { 6373 net->dest_state |= SCTP_ADDR_REACHABLE; 6374 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6375 } 6376 } 6377 } else { 6378 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6379 net->failure_threshold = thlds->spt_pathmaxrxt; 6380 net->pf_threshold = thlds->spt_pathpfthld; 6381 if (net->dest_state & SCTP_ADDR_PF) { 6382 if ((net->error_count > net->failure_threshold) || 6383 (net->error_count <= net->pf_threshold)) { 6384 net->dest_state &= ~SCTP_ADDR_PF; 6385 } 6386 } else { 6387 if ((net->error_count > net->pf_threshold) && 6388 (net->error_count <= net->failure_threshold)) { 6389 net->dest_state |= SCTP_ADDR_PF; 6390 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6391 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6392 stcb->sctp_ep, stcb, net, 6393 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6394 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6395 } 6396 } 6397 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6398 if (net->error_count > net->failure_threshold) { 6399 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6400 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6401 } 6402 } else { 6403 if (net->error_count <= net->failure_threshold) { 6404 net->dest_state |= SCTP_ADDR_REACHABLE; 6405 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6406 } 6407 } 6408 } 6409 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6410 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6411 } 6412 SCTP_TCB_UNLOCK(stcb); 6413 } else { 6414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6415 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6416 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6417 SCTP_INP_WLOCK(inp); 6418 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6419 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6420 SCTP_INP_WUNLOCK(inp); 6421 } else { 6422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6423 error = EINVAL; 6424 } 6425 } 6426 break; 6427 } 6428 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6429 { 6430 struct sctp_udpencaps *encaps; 6431 struct sctp_nets *net; 6432 struct sockaddr *addr; 6433 6434 #if defined(INET) && defined(INET6) 6435 struct sockaddr_in sin_store; 6436 6437 #endif 6438 6439 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6440 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6441 6442 #if defined(INET) && defined(INET6) 6443 if (encaps->sue_address.ss_family == AF_INET6) { 6444 struct sockaddr_in6 *sin6; 6445 6446 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6447 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6448 in6_sin6_2_sin(&sin_store, sin6); 6449 addr = (struct sockaddr *)&sin_store; 6450 } else { 6451 addr = (struct sockaddr *)&encaps->sue_address; 6452 } 6453 } else { 6454 addr = (struct sockaddr *)&encaps->sue_address; 6455 } 6456 #else 6457 addr = (struct sockaddr *)&encaps->sue_address; 6458 #endif 6459 if (stcb != NULL) { 6460 net = sctp_findnet(stcb, addr); 6461 } else { 6462 /* 6463 * We increment here since 6464 * sctp_findassociation_ep_addr() wil do a 6465 * decrement if it finds the stcb as long as 6466 * the locked tcb (last argument) is NOT a 6467 * TCB.. aka NULL. 6468 */ 6469 net = NULL; 6470 SCTP_INP_INCR_REF(inp); 6471 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6472 if (stcb == NULL) { 6473 SCTP_INP_DECR_REF(inp); 6474 } 6475 } 6476 if ((stcb != NULL) && (net == NULL)) { 6477 #ifdef INET 6478 if (addr->sa_family == AF_INET) { 6479 6480 struct sockaddr_in *sin; 6481 6482 sin = (struct sockaddr_in *)addr; 6483 if (sin->sin_addr.s_addr != INADDR_ANY) { 6484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6485 SCTP_TCB_UNLOCK(stcb); 6486 error = EINVAL; 6487 break; 6488 } 6489 } else 6490 #endif 6491 #ifdef INET6 6492 if (addr->sa_family == AF_INET6) { 6493 struct sockaddr_in6 *sin6; 6494 6495 sin6 = (struct sockaddr_in6 *)addr; 6496 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6498 SCTP_TCB_UNLOCK(stcb); 6499 error = EINVAL; 6500 break; 6501 } 6502 } else 6503 #endif 6504 { 6505 error = EAFNOSUPPORT; 6506 SCTP_TCB_UNLOCK(stcb); 6507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6508 break; 6509 } 6510 } 6511 if (stcb != NULL) { 6512 if (net != NULL) { 6513 net->port = encaps->sue_port; 6514 } else { 6515 stcb->asoc.port = encaps->sue_port; 6516 } 6517 SCTP_TCB_UNLOCK(stcb); 6518 } else { 6519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6520 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6521 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6522 SCTP_INP_WLOCK(inp); 6523 inp->sctp_ep.port = encaps->sue_port; 6524 SCTP_INP_WUNLOCK(inp); 6525 } else { 6526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6527 error = EINVAL; 6528 } 6529 } 6530 break; 6531 } 6532 case SCTP_ECN_SUPPORTED: 6533 { 6534 struct sctp_assoc_value *av; 6535 6536 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6537 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6538 6539 if (stcb) { 6540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6541 error = EINVAL; 6542 SCTP_TCB_UNLOCK(stcb); 6543 } else { 6544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6546 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6547 SCTP_INP_WLOCK(inp); 6548 if (av->assoc_value == 0) { 6549 inp->ecn_supported = 0; 6550 } else { 6551 inp->ecn_supported = 1; 6552 } 6553 SCTP_INP_WUNLOCK(inp); 6554 } else { 6555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6556 error = EINVAL; 6557 } 6558 } 6559 break; 6560 } 6561 case SCTP_PR_SUPPORTED: 6562 { 6563 struct sctp_assoc_value *av; 6564 6565 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6566 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6567 6568 if (stcb) { 6569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6570 error = EINVAL; 6571 SCTP_TCB_UNLOCK(stcb); 6572 } else { 6573 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6574 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6575 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6576 SCTP_INP_WLOCK(inp); 6577 if (av->assoc_value == 0) { 6578 inp->prsctp_supported = 0; 6579 } else { 6580 inp->prsctp_supported = 1; 6581 } 6582 SCTP_INP_WUNLOCK(inp); 6583 } else { 6584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6585 error = EINVAL; 6586 } 6587 } 6588 break; 6589 } 6590 case SCTP_AUTH_SUPPORTED: 6591 { 6592 struct sctp_assoc_value *av; 6593 6594 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6595 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6596 6597 if (stcb) { 6598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6599 error = EINVAL; 6600 SCTP_TCB_UNLOCK(stcb); 6601 } else { 6602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6604 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6605 if ((av->assoc_value == 0) && 6606 (inp->asconf_supported == 1)) { 6607 /* 6608 * AUTH is required for 6609 * ASCONF 6610 */ 6611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6612 error = EINVAL; 6613 } else { 6614 SCTP_INP_WLOCK(inp); 6615 if (av->assoc_value == 0) { 6616 inp->auth_supported = 0; 6617 } else { 6618 inp->auth_supported = 1; 6619 } 6620 SCTP_INP_WUNLOCK(inp); 6621 } 6622 } else { 6623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6624 error = EINVAL; 6625 } 6626 } 6627 break; 6628 } 6629 case SCTP_ASCONF_SUPPORTED: 6630 { 6631 struct sctp_assoc_value *av; 6632 6633 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6634 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6635 6636 if (stcb) { 6637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6638 error = EINVAL; 6639 SCTP_TCB_UNLOCK(stcb); 6640 } else { 6641 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6642 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6643 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6644 if ((av->assoc_value != 0) && 6645 (inp->auth_supported == 0)) { 6646 /* 6647 * AUTH is required for 6648 * ASCONF 6649 */ 6650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6651 error = EINVAL; 6652 } else { 6653 SCTP_INP_WLOCK(inp); 6654 if (av->assoc_value == 0) { 6655 inp->asconf_supported = 0; 6656 sctp_auth_delete_chunk(SCTP_ASCONF, 6657 inp->sctp_ep.local_auth_chunks); 6658 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6659 inp->sctp_ep.local_auth_chunks); 6660 } else { 6661 inp->asconf_supported = 1; 6662 sctp_auth_add_chunk(SCTP_ASCONF, 6663 inp->sctp_ep.local_auth_chunks); 6664 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6665 inp->sctp_ep.local_auth_chunks); 6666 } 6667 SCTP_INP_WUNLOCK(inp); 6668 } 6669 } else { 6670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6671 error = EINVAL; 6672 } 6673 } 6674 break; 6675 } 6676 case SCTP_RECONFIG_SUPPORTED: 6677 { 6678 struct sctp_assoc_value *av; 6679 6680 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6681 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6682 6683 if (stcb) { 6684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6685 error = EINVAL; 6686 SCTP_TCB_UNLOCK(stcb); 6687 } else { 6688 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6689 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6690 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6691 SCTP_INP_WLOCK(inp); 6692 if (av->assoc_value == 0) { 6693 inp->reconfig_supported = 0; 6694 } else { 6695 inp->reconfig_supported = 1; 6696 } 6697 SCTP_INP_WUNLOCK(inp); 6698 } else { 6699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6700 error = EINVAL; 6701 } 6702 } 6703 break; 6704 } 6705 case SCTP_NRSACK_SUPPORTED: 6706 { 6707 struct sctp_assoc_value *av; 6708 6709 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6710 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6711 6712 if (stcb) { 6713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6714 error = EINVAL; 6715 SCTP_TCB_UNLOCK(stcb); 6716 } else { 6717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6720 SCTP_INP_WLOCK(inp); 6721 if (av->assoc_value == 0) { 6722 inp->nrsack_supported = 0; 6723 } else { 6724 inp->nrsack_supported = 1; 6725 } 6726 SCTP_INP_WUNLOCK(inp); 6727 } else { 6728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6729 error = EINVAL; 6730 } 6731 } 6732 break; 6733 } 6734 case SCTP_PKTDROP_SUPPORTED: 6735 { 6736 struct sctp_assoc_value *av; 6737 6738 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6739 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6740 6741 if (stcb) { 6742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6743 error = EINVAL; 6744 SCTP_TCB_UNLOCK(stcb); 6745 } else { 6746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6748 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6749 SCTP_INP_WLOCK(inp); 6750 if (av->assoc_value == 0) { 6751 inp->pktdrop_supported = 0; 6752 } else { 6753 inp->pktdrop_supported = 1; 6754 } 6755 SCTP_INP_WUNLOCK(inp); 6756 } else { 6757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6758 error = EINVAL; 6759 } 6760 } 6761 break; 6762 } 6763 case SCTP_MAX_CWND: 6764 { 6765 struct sctp_assoc_value *av; 6766 struct sctp_nets *net; 6767 6768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6770 6771 if (stcb) { 6772 stcb->asoc.max_cwnd = av->assoc_value; 6773 if (stcb->asoc.max_cwnd > 0) { 6774 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6775 if ((net->cwnd > stcb->asoc.max_cwnd) && 6776 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6777 net->cwnd = stcb->asoc.max_cwnd; 6778 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6779 net->cwnd = net->mtu - sizeof(struct sctphdr); 6780 } 6781 } 6782 } 6783 } 6784 SCTP_TCB_UNLOCK(stcb); 6785 } else { 6786 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6787 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6788 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6789 SCTP_INP_WLOCK(inp); 6790 inp->max_cwnd = av->assoc_value; 6791 SCTP_INP_WUNLOCK(inp); 6792 } else { 6793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6794 error = EINVAL; 6795 } 6796 } 6797 break; 6798 } 6799 default: 6800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6801 error = ENOPROTOOPT; 6802 break; 6803 } /* end switch (opt) */ 6804 return (error); 6805 } 6806 6807 int 6808 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6809 { 6810 void *optval = NULL; 6811 size_t optsize = 0; 6812 void *p; 6813 int error = 0; 6814 struct sctp_inpcb *inp; 6815 6816 if ((sopt->sopt_level == SOL_SOCKET) && 6817 (sopt->sopt_name == SO_SETFIB)) { 6818 inp = (struct sctp_inpcb *)so->so_pcb; 6819 if (inp == NULL) { 6820 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6821 return (EINVAL); 6822 } 6823 SCTP_INP_WLOCK(inp); 6824 inp->fibnum = so->so_fibnum; 6825 SCTP_INP_WUNLOCK(inp); 6826 return (0); 6827 } 6828 if (sopt->sopt_level != IPPROTO_SCTP) { 6829 /* wrong proto level... send back up to IP */ 6830 #ifdef INET6 6831 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6832 error = ip6_ctloutput(so, sopt); 6833 #endif /* INET6 */ 6834 #if defined(INET) && defined(INET6) 6835 else 6836 #endif 6837 #ifdef INET 6838 error = ip_ctloutput(so, sopt); 6839 #endif 6840 return (error); 6841 } 6842 optsize = sopt->sopt_valsize; 6843 if (optsize) { 6844 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6845 if (optval == NULL) { 6846 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6847 return (ENOBUFS); 6848 } 6849 error = sooptcopyin(sopt, optval, optsize, optsize); 6850 if (error) { 6851 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6852 goto out; 6853 } 6854 } 6855 p = (void *)sopt->sopt_td; 6856 if (sopt->sopt_dir == SOPT_SET) { 6857 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6858 } else if (sopt->sopt_dir == SOPT_GET) { 6859 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6860 } else { 6861 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6862 error = EINVAL; 6863 } 6864 if ((error == 0) && (optval != NULL)) { 6865 error = sooptcopyout(sopt, optval, optsize); 6866 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6867 } else if (optval != NULL) { 6868 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6869 } 6870 out: 6871 return (error); 6872 } 6873 6874 #ifdef INET 6875 static int 6876 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6877 { 6878 int error = 0; 6879 int create_lock_on = 0; 6880 uint32_t vrf_id; 6881 struct sctp_inpcb *inp; 6882 struct sctp_tcb *stcb = NULL; 6883 6884 inp = (struct sctp_inpcb *)so->so_pcb; 6885 if (inp == NULL) { 6886 /* I made the same as TCP since we are not setup? */ 6887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6888 return (ECONNRESET); 6889 } 6890 if (addr == NULL) { 6891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6892 return EINVAL; 6893 } 6894 switch (addr->sa_family) { 6895 #ifdef INET6 6896 case AF_INET6: 6897 { 6898 struct sockaddr_in6 *sin6p; 6899 6900 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6902 return (EINVAL); 6903 } 6904 sin6p = (struct sockaddr_in6 *)addr; 6905 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6907 return (error); 6908 } 6909 break; 6910 } 6911 #endif 6912 #ifdef INET 6913 case AF_INET: 6914 { 6915 struct sockaddr_in *sinp; 6916 6917 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6919 return (EINVAL); 6920 } 6921 sinp = (struct sockaddr_in *)addr; 6922 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6924 return (error); 6925 } 6926 break; 6927 } 6928 #endif 6929 default: 6930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6931 return (EAFNOSUPPORT); 6932 } 6933 SCTP_INP_INCR_REF(inp); 6934 SCTP_ASOC_CREATE_LOCK(inp); 6935 create_lock_on = 1; 6936 6937 6938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6939 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6940 /* Should I really unlock ? */ 6941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6942 error = EFAULT; 6943 goto out_now; 6944 } 6945 #ifdef INET6 6946 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6947 (addr->sa_family == AF_INET6)) { 6948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6949 error = EINVAL; 6950 goto out_now; 6951 } 6952 #endif 6953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6954 SCTP_PCB_FLAGS_UNBOUND) { 6955 /* Bind a ephemeral port */ 6956 error = sctp_inpcb_bind(so, NULL, NULL, p); 6957 if (error) { 6958 goto out_now; 6959 } 6960 } 6961 /* Now do we connect? */ 6962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6963 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6965 error = EINVAL; 6966 goto out_now; 6967 } 6968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6969 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6970 /* We are already connected AND the TCP model */ 6971 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6972 error = EADDRINUSE; 6973 goto out_now; 6974 } 6975 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6976 SCTP_INP_RLOCK(inp); 6977 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6978 SCTP_INP_RUNLOCK(inp); 6979 } else { 6980 /* 6981 * We increment here since sctp_findassociation_ep_addr() 6982 * will do a decrement if it finds the stcb as long as the 6983 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6984 */ 6985 SCTP_INP_INCR_REF(inp); 6986 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6987 if (stcb == NULL) { 6988 SCTP_INP_DECR_REF(inp); 6989 } else { 6990 SCTP_TCB_UNLOCK(stcb); 6991 } 6992 } 6993 if (stcb != NULL) { 6994 /* Already have or am bring up an association */ 6995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6996 error = EALREADY; 6997 goto out_now; 6998 } 6999 vrf_id = inp->def_vrf_id; 7000 /* We are GOOD to go */ 7001 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 7002 if (stcb == NULL) { 7003 /* Gak! no memory */ 7004 goto out_now; 7005 } 7006 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7007 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7008 /* Set the connected flag so we can queue data */ 7009 soisconnecting(so); 7010 } 7011 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7012 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7013 7014 /* initialize authentication parameters for the assoc */ 7015 sctp_initialize_auth_params(inp, stcb); 7016 7017 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7018 SCTP_TCB_UNLOCK(stcb); 7019 out_now: 7020 if (create_lock_on) { 7021 SCTP_ASOC_CREATE_UNLOCK(inp); 7022 } 7023 SCTP_INP_DECR_REF(inp); 7024 return (error); 7025 } 7026 7027 #endif 7028 7029 int 7030 sctp_listen(struct socket *so, int backlog, struct thread *p) 7031 { 7032 /* 7033 * Note this module depends on the protocol processing being called 7034 * AFTER any socket level flags and backlog are applied to the 7035 * socket. The traditional way that the socket flags are applied is 7036 * AFTER protocol processing. We have made a change to the 7037 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7038 * place if the socket API for SCTP is to work properly. 7039 */ 7040 7041 int error = 0; 7042 struct sctp_inpcb *inp; 7043 7044 inp = (struct sctp_inpcb *)so->so_pcb; 7045 if (inp == NULL) { 7046 /* I made the same as TCP since we are not setup? */ 7047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7048 return (ECONNRESET); 7049 } 7050 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7051 /* See if we have a listener */ 7052 struct sctp_inpcb *tinp; 7053 union sctp_sockstore store; 7054 7055 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7056 /* not bound all */ 7057 struct sctp_laddr *laddr; 7058 7059 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7060 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7061 switch (store.sa.sa_family) { 7062 #ifdef INET 7063 case AF_INET: 7064 store.sin.sin_port = inp->sctp_lport; 7065 break; 7066 #endif 7067 #ifdef INET6 7068 case AF_INET6: 7069 store.sin6.sin6_port = inp->sctp_lport; 7070 break; 7071 #endif 7072 default: 7073 break; 7074 } 7075 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7076 if (tinp && (tinp != inp) && 7077 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7078 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7079 (tinp->sctp_socket->so_qlimit)) { 7080 /* 7081 * we have a listener already and 7082 * its not this inp. 7083 */ 7084 SCTP_INP_DECR_REF(tinp); 7085 return (EADDRINUSE); 7086 } else if (tinp) { 7087 SCTP_INP_DECR_REF(tinp); 7088 } 7089 } 7090 } else { 7091 /* Setup a local addr bound all */ 7092 memset(&store, 0, sizeof(store)); 7093 #ifdef INET6 7094 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7095 store.sa.sa_family = AF_INET6; 7096 store.sa.sa_len = sizeof(struct sockaddr_in6); 7097 } 7098 #endif 7099 #ifdef INET 7100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7101 store.sa.sa_family = AF_INET; 7102 store.sa.sa_len = sizeof(struct sockaddr_in); 7103 } 7104 #endif 7105 switch (store.sa.sa_family) { 7106 #ifdef INET 7107 case AF_INET: 7108 store.sin.sin_port = inp->sctp_lport; 7109 break; 7110 #endif 7111 #ifdef INET6 7112 case AF_INET6: 7113 store.sin6.sin6_port = inp->sctp_lport; 7114 break; 7115 #endif 7116 default: 7117 break; 7118 } 7119 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7120 if (tinp && (tinp != inp) && 7121 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7122 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7123 (tinp->sctp_socket->so_qlimit)) { 7124 /* 7125 * we have a listener already and its not 7126 * this inp. 7127 */ 7128 SCTP_INP_DECR_REF(tinp); 7129 return (EADDRINUSE); 7130 } else if (tinp) { 7131 SCTP_INP_DECR_REF(tinp); 7132 } 7133 } 7134 } 7135 SCTP_INP_RLOCK(inp); 7136 #ifdef SCTP_LOCK_LOGGING 7137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7138 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7139 } 7140 #endif 7141 SOCK_LOCK(so); 7142 error = solisten_proto_check(so); 7143 SOCK_UNLOCK(so); 7144 if (error) { 7145 SCTP_INP_RUNLOCK(inp); 7146 return (error); 7147 } 7148 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7150 /* 7151 * The unlucky case - We are in the tcp pool with this guy. 7152 * - Someone else is in the main inp slot. - We must move 7153 * this guy (the listener) to the main slot - We must then 7154 * move the guy that was listener to the TCP Pool. 7155 */ 7156 if (sctp_swap_inpcb_for_listen(inp)) { 7157 SCTP_INP_RUNLOCK(inp); 7158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7159 return (EADDRINUSE); 7160 } 7161 } 7162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7163 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7164 /* We are already connected AND the TCP model */ 7165 SCTP_INP_RUNLOCK(inp); 7166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7167 return (EADDRINUSE); 7168 } 7169 SCTP_INP_RUNLOCK(inp); 7170 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7171 /* We must do a bind. */ 7172 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7173 /* bind error, probably perm */ 7174 return (error); 7175 } 7176 } 7177 SOCK_LOCK(so); 7178 /* It appears for 7.0 and on, we must always call this. */ 7179 solisten_proto(so, backlog); 7180 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7181 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7182 so->so_options &= ~SO_ACCEPTCONN; 7183 } 7184 if (backlog == 0) { 7185 /* turning off listen */ 7186 so->so_options &= ~SO_ACCEPTCONN; 7187 } 7188 SOCK_UNLOCK(so); 7189 return (error); 7190 } 7191 7192 static int sctp_defered_wakeup_cnt = 0; 7193 7194 int 7195 sctp_accept(struct socket *so, struct sockaddr **addr) 7196 { 7197 struct sctp_tcb *stcb; 7198 struct sctp_inpcb *inp; 7199 union sctp_sockstore store; 7200 7201 #ifdef INET6 7202 int error; 7203 7204 #endif 7205 inp = (struct sctp_inpcb *)so->so_pcb; 7206 7207 if (inp == NULL) { 7208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7209 return (ECONNRESET); 7210 } 7211 SCTP_INP_RLOCK(inp); 7212 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7213 SCTP_INP_RUNLOCK(inp); 7214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7215 return (EOPNOTSUPP); 7216 } 7217 if (so->so_state & SS_ISDISCONNECTED) { 7218 SCTP_INP_RUNLOCK(inp); 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7220 return (ECONNABORTED); 7221 } 7222 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7223 if (stcb == NULL) { 7224 SCTP_INP_RUNLOCK(inp); 7225 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7226 return (ECONNRESET); 7227 } 7228 SCTP_TCB_LOCK(stcb); 7229 SCTP_INP_RUNLOCK(inp); 7230 store = stcb->asoc.primary_destination->ro._l_addr; 7231 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7232 SCTP_TCB_UNLOCK(stcb); 7233 switch (store.sa.sa_family) { 7234 #ifdef INET 7235 case AF_INET: 7236 { 7237 struct sockaddr_in *sin; 7238 7239 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7240 if (sin == NULL) 7241 return (ENOMEM); 7242 sin->sin_family = AF_INET; 7243 sin->sin_len = sizeof(*sin); 7244 sin->sin_port = store.sin.sin_port; 7245 sin->sin_addr = store.sin.sin_addr; 7246 *addr = (struct sockaddr *)sin; 7247 break; 7248 } 7249 #endif 7250 #ifdef INET6 7251 case AF_INET6: 7252 { 7253 struct sockaddr_in6 *sin6; 7254 7255 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7256 if (sin6 == NULL) 7257 return (ENOMEM); 7258 sin6->sin6_family = AF_INET6; 7259 sin6->sin6_len = sizeof(*sin6); 7260 sin6->sin6_port = store.sin6.sin6_port; 7261 sin6->sin6_addr = store.sin6.sin6_addr; 7262 if ((error = sa6_recoverscope(sin6)) != 0) { 7263 SCTP_FREE_SONAME(sin6); 7264 return (error); 7265 } 7266 *addr = (struct sockaddr *)sin6; 7267 break; 7268 } 7269 #endif 7270 default: 7271 /* TSNH */ 7272 break; 7273 } 7274 /* Wake any delayed sleep action */ 7275 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7276 SCTP_INP_WLOCK(inp); 7277 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7278 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7279 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7280 SCTP_INP_WUNLOCK(inp); 7281 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7282 if (sowriteable(inp->sctp_socket)) { 7283 sowwakeup_locked(inp->sctp_socket); 7284 } else { 7285 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7286 } 7287 SCTP_INP_WLOCK(inp); 7288 } 7289 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7290 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7291 SCTP_INP_WUNLOCK(inp); 7292 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7293 if (soreadable(inp->sctp_socket)) { 7294 sctp_defered_wakeup_cnt++; 7295 sorwakeup_locked(inp->sctp_socket); 7296 } else { 7297 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7298 } 7299 SCTP_INP_WLOCK(inp); 7300 } 7301 SCTP_INP_WUNLOCK(inp); 7302 } 7303 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7304 SCTP_TCB_LOCK(stcb); 7305 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7306 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7307 } 7308 return (0); 7309 } 7310 7311 #ifdef INET 7312 int 7313 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7314 { 7315 struct sockaddr_in *sin; 7316 uint32_t vrf_id; 7317 struct sctp_inpcb *inp; 7318 struct sctp_ifa *sctp_ifa; 7319 7320 /* 7321 * Do the malloc first in case it blocks. 7322 */ 7323 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7324 if (sin == NULL) 7325 return (ENOMEM); 7326 sin->sin_family = AF_INET; 7327 sin->sin_len = sizeof(*sin); 7328 inp = (struct sctp_inpcb *)so->so_pcb; 7329 if (!inp) { 7330 SCTP_FREE_SONAME(sin); 7331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7332 return (ECONNRESET); 7333 } 7334 SCTP_INP_RLOCK(inp); 7335 sin->sin_port = inp->sctp_lport; 7336 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7337 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7338 struct sctp_tcb *stcb; 7339 struct sockaddr_in *sin_a; 7340 struct sctp_nets *net; 7341 int fnd; 7342 7343 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7344 if (stcb == NULL) { 7345 goto notConn; 7346 } 7347 fnd = 0; 7348 sin_a = NULL; 7349 SCTP_TCB_LOCK(stcb); 7350 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7351 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7352 if (sin_a == NULL) 7353 /* this will make coverity happy */ 7354 continue; 7355 7356 if (sin_a->sin_family == AF_INET) { 7357 fnd = 1; 7358 break; 7359 } 7360 } 7361 if ((!fnd) || (sin_a == NULL)) { 7362 /* punt */ 7363 SCTP_TCB_UNLOCK(stcb); 7364 goto notConn; 7365 } 7366 vrf_id = inp->def_vrf_id; 7367 sctp_ifa = sctp_source_address_selection(inp, 7368 stcb, 7369 (sctp_route_t *) & net->ro, 7370 net, 0, vrf_id); 7371 if (sctp_ifa) { 7372 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7373 sctp_free_ifa(sctp_ifa); 7374 } 7375 SCTP_TCB_UNLOCK(stcb); 7376 } else { 7377 /* For the bound all case you get back 0 */ 7378 notConn: 7379 sin->sin_addr.s_addr = 0; 7380 } 7381 7382 } else { 7383 /* Take the first IPv4 address in the list */ 7384 struct sctp_laddr *laddr; 7385 int fnd = 0; 7386 7387 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7388 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7389 struct sockaddr_in *sin_a; 7390 7391 sin_a = &laddr->ifa->address.sin; 7392 sin->sin_addr = sin_a->sin_addr; 7393 fnd = 1; 7394 break; 7395 } 7396 } 7397 if (!fnd) { 7398 SCTP_FREE_SONAME(sin); 7399 SCTP_INP_RUNLOCK(inp); 7400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7401 return (ENOENT); 7402 } 7403 } 7404 SCTP_INP_RUNLOCK(inp); 7405 (*addr) = (struct sockaddr *)sin; 7406 return (0); 7407 } 7408 7409 int 7410 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7411 { 7412 struct sockaddr_in *sin; 7413 int fnd; 7414 struct sockaddr_in *sin_a; 7415 struct sctp_inpcb *inp; 7416 struct sctp_tcb *stcb; 7417 struct sctp_nets *net; 7418 7419 /* Do the malloc first in case it blocks. */ 7420 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7421 if (sin == NULL) 7422 return (ENOMEM); 7423 sin->sin_family = AF_INET; 7424 sin->sin_len = sizeof(*sin); 7425 7426 inp = (struct sctp_inpcb *)so->so_pcb; 7427 if ((inp == NULL) || 7428 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7429 /* UDP type and listeners will drop out here */ 7430 SCTP_FREE_SONAME(sin); 7431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7432 return (ENOTCONN); 7433 } 7434 SCTP_INP_RLOCK(inp); 7435 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7436 if (stcb) { 7437 SCTP_TCB_LOCK(stcb); 7438 } 7439 SCTP_INP_RUNLOCK(inp); 7440 if (stcb == NULL) { 7441 SCTP_FREE_SONAME(sin); 7442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7443 return (ECONNRESET); 7444 } 7445 fnd = 0; 7446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7447 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7448 if (sin_a->sin_family == AF_INET) { 7449 fnd = 1; 7450 sin->sin_port = stcb->rport; 7451 sin->sin_addr = sin_a->sin_addr; 7452 break; 7453 } 7454 } 7455 SCTP_TCB_UNLOCK(stcb); 7456 if (!fnd) { 7457 /* No IPv4 address */ 7458 SCTP_FREE_SONAME(sin); 7459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7460 return (ENOENT); 7461 } 7462 (*addr) = (struct sockaddr *)sin; 7463 return (0); 7464 } 7465 7466 struct pr_usrreqs sctp_usrreqs = { 7467 .pru_abort = sctp_abort, 7468 .pru_accept = sctp_accept, 7469 .pru_attach = sctp_attach, 7470 .pru_bind = sctp_bind, 7471 .pru_connect = sctp_connect, 7472 .pru_control = in_control, 7473 .pru_close = sctp_close, 7474 .pru_detach = sctp_close, 7475 .pru_sopoll = sopoll_generic, 7476 .pru_flush = sctp_flush, 7477 .pru_disconnect = sctp_disconnect, 7478 .pru_listen = sctp_listen, 7479 .pru_peeraddr = sctp_peeraddr, 7480 .pru_send = sctp_sendm, 7481 .pru_shutdown = sctp_shutdown, 7482 .pru_sockaddr = sctp_ingetaddr, 7483 .pru_sosend = sctp_sosend, 7484 .pru_soreceive = sctp_soreceive 7485 }; 7486 7487 #endif 7488