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; 246 struct ip *inner_ip; 247 struct sctphdr *sh; 248 struct icmp *icmp; 249 struct sctp_inpcb *inp; 250 struct sctp_tcb *stcb; 251 struct sctp_nets *net; 252 struct sctp_init_chunk *ch; 253 struct sockaddr_in src, dst; 254 255 if (sa->sa_family != AF_INET || 256 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 257 return; 258 } 259 if (PRC_IS_REDIRECT(cmd)) { 260 vip = NULL; 261 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 262 return; 263 } 264 if (vip != NULL) { 265 inner_ip = (struct ip *)vip; 266 icmp = (struct icmp *)((caddr_t)inner_ip - 267 (sizeof(struct icmp) - sizeof(struct ip))); 268 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 269 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 270 memset(&src, 0, sizeof(struct sockaddr_in)); 271 src.sin_family = AF_INET; 272 src.sin_len = sizeof(struct sockaddr_in); 273 src.sin_port = sh->src_port; 274 src.sin_addr = inner_ip->ip_src; 275 memset(&dst, 0, sizeof(struct sockaddr_in)); 276 dst.sin_family = AF_INET; 277 dst.sin_len = sizeof(struct sockaddr_in); 278 dst.sin_port = sh->dest_port; 279 dst.sin_addr = inner_ip->ip_dst; 280 /* 281 * 'dst' holds the dest of the packet that failed to be 282 * sent. 'src' holds our local endpoint address. Thus we 283 * reverse the dst and the src in the lookup. 284 */ 285 inp = NULL; 286 net = NULL; 287 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 288 (struct sockaddr *)&src, 289 &inp, &net, 1, 290 SCTP_DEFAULT_VRFID); 291 if ((stcb != NULL) && 292 (net != NULL) && 293 (inp != NULL) && 294 (inp->sctp_socket != NULL)) { 295 /* Check the verification tag */ 296 if (ntohl(sh->v_tag) != 0) { 297 /* 298 * This must be the verification tag used 299 * for sending out packets. We don't 300 * consider packets reflecting the 301 * verification tag. 302 */ 303 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 304 SCTP_TCB_UNLOCK(stcb); 305 return; 306 } 307 } else { 308 if (ntohs(outer_ip->ip_len) >= 309 sizeof(struct ip) + 310 8 + (inner_ip->ip_hl << 2) + 20) { 311 /* 312 * In this case we can check if we 313 * got an INIT chunk and if the 314 * initiate tag matches. 315 */ 316 ch = (struct sctp_init_chunk *)(sh + 1); 317 if ((ch->ch.chunk_type != SCTP_INITIATION) || 318 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 319 SCTP_TCB_UNLOCK(stcb); 320 return; 321 } 322 } else { 323 SCTP_TCB_UNLOCK(stcb); 324 return; 325 } 326 } 327 sctp_notify(inp, stcb, net, 328 icmp->icmp_type, 329 icmp->icmp_code, 330 ntohs(inner_ip->ip_len), 331 ntohs(icmp->icmp_nextmtu)); 332 } else { 333 if ((stcb == NULL) && (inp != NULL)) { 334 /* reduce ref-count */ 335 SCTP_INP_WLOCK(inp); 336 SCTP_INP_DECR_REF(inp); 337 SCTP_INP_WUNLOCK(inp); 338 } 339 if (stcb) { 340 SCTP_TCB_UNLOCK(stcb); 341 } 342 } 343 } 344 return; 345 } 346 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 383 error = ENOENT; 384 goto out; 385 } 386 SCTP_TCB_UNLOCK(stcb); 387 /* 388 * We use the write lock here, only since in the error leg we need 389 * it. If we used RLOCK, then we would have to 390 * wlock/decr/unlock/rlock. Which in theory could create a hole. 391 * Better to use higher wlock. 392 */ 393 SCTP_INP_WLOCK(inp); 394 cred_can_cont: 395 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 396 if (error) { 397 SCTP_INP_WUNLOCK(inp); 398 goto out; 399 } 400 cru2x(inp->sctp_socket->so_cred, &xuc); 401 SCTP_INP_WUNLOCK(inp); 402 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 403 out: 404 return (error); 405 } 406 407 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 408 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 409 410 411 #ifdef INET 412 static void 413 sctp_abort(struct socket *so) 414 { 415 struct sctp_inpcb *inp; 416 uint32_t flags; 417 418 inp = (struct sctp_inpcb *)so->so_pcb; 419 if (inp == NULL) { 420 return; 421 } 422 sctp_must_try_again: 423 flags = inp->sctp_flags; 424 #ifdef SCTP_LOG_CLOSING 425 sctp_log_closing(inp, NULL, 17); 426 #endif 427 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 428 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 429 #ifdef SCTP_LOG_CLOSING 430 sctp_log_closing(inp, NULL, 16); 431 #endif 432 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 433 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 434 SOCK_LOCK(so); 435 SCTP_SB_CLEAR(so->so_snd); 436 /* 437 * same for the rcv ones, they are only here for the 438 * accounting/select. 439 */ 440 SCTP_SB_CLEAR(so->so_rcv); 441 442 /* Now null out the reference, we are completely detached. */ 443 so->so_pcb = NULL; 444 SOCK_UNLOCK(so); 445 } else { 446 flags = inp->sctp_flags; 447 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 448 goto sctp_must_try_again; 449 } 450 } 451 return; 452 } 453 454 static int 455 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 456 { 457 struct sctp_inpcb *inp; 458 struct inpcb *ip_inp; 459 int error; 460 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 461 462 inp = (struct sctp_inpcb *)so->so_pcb; 463 if (inp != NULL) { 464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 465 return (EINVAL); 466 } 467 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 468 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 469 if (error) { 470 return (error); 471 } 472 } 473 error = sctp_inpcb_alloc(so, vrf_id); 474 if (error) { 475 return (error); 476 } 477 inp = (struct sctp_inpcb *)so->so_pcb; 478 SCTP_INP_WLOCK(inp); 479 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 480 ip_inp = &inp->ip_inp.inp; 481 ip_inp->inp_vflag |= INP_IPV4; 482 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 483 SCTP_INP_WUNLOCK(inp); 484 return (0); 485 } 486 487 static int 488 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 489 { 490 struct sctp_inpcb *inp; 491 492 inp = (struct sctp_inpcb *)so->so_pcb; 493 if (inp == NULL) { 494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 495 return (EINVAL); 496 } 497 if (addr != NULL) { 498 if ((addr->sa_family != AF_INET) || 499 (addr->sa_len != sizeof(struct sockaddr_in))) { 500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 501 return (EINVAL); 502 } 503 } 504 return (sctp_inpcb_bind(so, addr, NULL, p)); 505 } 506 507 #endif 508 void 509 sctp_close(struct socket *so) 510 { 511 struct sctp_inpcb *inp; 512 uint32_t flags; 513 514 inp = (struct sctp_inpcb *)so->so_pcb; 515 if (inp == NULL) 516 return; 517 518 /* 519 * Inform all the lower layer assoc that we are done. 520 */ 521 sctp_must_try_again: 522 flags = inp->sctp_flags; 523 #ifdef SCTP_LOG_CLOSING 524 sctp_log_closing(inp, NULL, 17); 525 #endif 526 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 527 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 528 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 529 (so->so_rcv.sb_cc > 0)) { 530 #ifdef SCTP_LOG_CLOSING 531 sctp_log_closing(inp, NULL, 13); 532 #endif 533 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 534 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 535 } else { 536 #ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 14); 538 #endif 539 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 540 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 541 } 542 /* 543 * The socket is now detached, no matter what the state of 544 * the SCTP association. 545 */ 546 SOCK_LOCK(so); 547 SCTP_SB_CLEAR(so->so_snd); 548 /* 549 * same for the rcv ones, they are only here for the 550 * accounting/select. 551 */ 552 SCTP_SB_CLEAR(so->so_rcv); 553 554 /* Now null out the reference, we are completely detached. */ 555 so->so_pcb = NULL; 556 SOCK_UNLOCK(so); 557 } else { 558 flags = inp->sctp_flags; 559 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 560 goto sctp_must_try_again; 561 } 562 } 563 return; 564 } 565 566 567 int 568 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 569 struct mbuf *control, struct thread *p); 570 571 572 int 573 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 574 struct mbuf *control, struct thread *p) 575 { 576 struct sctp_inpcb *inp; 577 int error; 578 579 inp = (struct sctp_inpcb *)so->so_pcb; 580 if (inp == NULL) { 581 if (control) { 582 sctp_m_freem(control); 583 control = NULL; 584 } 585 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 586 sctp_m_freem(m); 587 return (EINVAL); 588 } 589 /* Got to have an to address if we are NOT a connected socket */ 590 if ((addr == NULL) && 591 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 592 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 593 goto connected_type; 594 } else if (addr == NULL) { 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 596 error = EDESTADDRREQ; 597 sctp_m_freem(m); 598 if (control) { 599 sctp_m_freem(control); 600 control = NULL; 601 } 602 return (error); 603 } 604 #ifdef INET6 605 if (addr->sa_family != AF_INET) { 606 /* must be a v4 address! */ 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 sctp_m_freem(m); 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 error = EDESTADDRREQ; 614 return (error); 615 } 616 #endif /* INET6 */ 617 connected_type: 618 /* now what about control */ 619 if (control) { 620 if (inp->control) { 621 SCTP_PRINTF("huh? control set?\n"); 622 sctp_m_freem(inp->control); 623 inp->control = NULL; 624 } 625 inp->control = control; 626 } 627 /* Place the data */ 628 if (inp->pkt) { 629 SCTP_BUF_NEXT(inp->pkt_last) = m; 630 inp->pkt_last = m; 631 } else { 632 inp->pkt_last = inp->pkt = m; 633 } 634 if ( 635 /* FreeBSD uses a flag passed */ 636 ((flags & PRUS_MORETOCOME) == 0) 637 ) { 638 /* 639 * note with the current version this code will only be used 640 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 641 * re-defining sosend to use the sctp_sosend. One can 642 * optionally switch back to this code (by changing back the 643 * definitions) but this is not advisable. This code is used 644 * by FreeBSD when sending a file with sendfile() though. 645 */ 646 int ret; 647 648 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 649 inp->pkt = NULL; 650 inp->control = NULL; 651 return (ret); 652 } else { 653 return (0); 654 } 655 } 656 657 int 658 sctp_disconnect(struct socket *so) 659 { 660 struct sctp_inpcb *inp; 661 662 inp = (struct sctp_inpcb *)so->so_pcb; 663 if (inp == NULL) { 664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 665 return (ENOTCONN); 666 } 667 SCTP_INP_RLOCK(inp); 668 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 669 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 670 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 671 /* No connection */ 672 SCTP_INP_RUNLOCK(inp); 673 return (0); 674 } else { 675 struct sctp_association *asoc; 676 struct sctp_tcb *stcb; 677 678 stcb = LIST_FIRST(&inp->sctp_asoc_list); 679 if (stcb == NULL) { 680 SCTP_INP_RUNLOCK(inp); 681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 682 return (EINVAL); 683 } 684 SCTP_TCB_LOCK(stcb); 685 asoc = &stcb->asoc; 686 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 687 /* We are about to be freed, out of here */ 688 SCTP_TCB_UNLOCK(stcb); 689 SCTP_INP_RUNLOCK(inp); 690 return (0); 691 } 692 if (((so->so_options & SO_LINGER) && 693 (so->so_linger == 0)) || 694 (so->so_rcv.sb_cc > 0)) { 695 if (SCTP_GET_STATE(asoc) != 696 SCTP_STATE_COOKIE_WAIT) { 697 /* Left with Data unread */ 698 struct mbuf *err; 699 700 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 701 if (err) { 702 /* 703 * Fill in the user 704 * initiated abort 705 */ 706 struct sctp_paramhdr *ph; 707 708 ph = mtod(err, struct sctp_paramhdr *); 709 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 710 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 711 ph->param_length = htons(SCTP_BUF_LEN(err)); 712 } 713 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 714 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 715 } 716 SCTP_INP_RUNLOCK(inp); 717 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 718 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 719 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 720 } 721 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 722 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 723 /* No unlock tcb assoc is gone */ 724 return (0); 725 } 726 if (TAILQ_EMPTY(&asoc->send_queue) && 727 TAILQ_EMPTY(&asoc->sent_queue) && 728 (asoc->stream_queue_cnt == 0)) { 729 /* there is nothing queued to send, so done */ 730 if (asoc->locked_on_sending) { 731 goto abort_anyway; 732 } 733 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 734 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 735 /* only send SHUTDOWN 1st time thru */ 736 struct sctp_nets *netp; 737 738 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 739 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 740 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 741 } 742 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 743 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 744 sctp_stop_timers_for_shutdown(stcb); 745 if (stcb->asoc.alternate) { 746 netp = stcb->asoc.alternate; 747 } else { 748 netp = stcb->asoc.primary_destination; 749 } 750 sctp_send_shutdown(stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 752 stcb->sctp_ep, stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 754 stcb->sctp_ep, stcb, netp); 755 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 756 } 757 } else { 758 /* 759 * we still got (or just got) data to send, 760 * so set SHUTDOWN_PENDING 761 */ 762 /* 763 * XXX sockets draft says that SCTP_EOF 764 * should be sent with no data. currently, 765 * we will allow user data to be sent first 766 * and move to SHUTDOWN-PENDING 767 */ 768 struct sctp_nets *netp; 769 770 if (stcb->asoc.alternate) { 771 netp = stcb->asoc.alternate; 772 } else { 773 netp = stcb->asoc.primary_destination; 774 } 775 776 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 777 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 778 netp); 779 if (asoc->locked_on_sending) { 780 /* Locked to send out the data */ 781 struct sctp_stream_queue_pending *sp; 782 783 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 784 if (sp == NULL) { 785 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 786 asoc->locked_on_sending->stream_no); 787 } else { 788 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 789 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 790 } 791 } 792 if (TAILQ_EMPTY(&asoc->send_queue) && 793 TAILQ_EMPTY(&asoc->sent_queue) && 794 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 795 struct mbuf *op_err; 796 797 abort_anyway: 798 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 799 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 800 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 801 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 802 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 803 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 804 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 805 } 806 SCTP_INP_RUNLOCK(inp); 807 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 808 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 809 return (0); 810 } else { 811 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 812 } 813 } 814 soisdisconnecting(so); 815 SCTP_TCB_UNLOCK(stcb); 816 SCTP_INP_RUNLOCK(inp); 817 return (0); 818 } 819 /* not reached */ 820 } else { 821 /* UDP model does not support this */ 822 SCTP_INP_RUNLOCK(inp); 823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 824 return (EOPNOTSUPP); 825 } 826 } 827 828 int 829 sctp_flush(struct socket *so, int how) 830 { 831 /* 832 * We will just clear out the values and let subsequent close clear 833 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 834 * they will not be able to read the data, the socket will block 835 * that from happening. 836 */ 837 struct sctp_inpcb *inp; 838 839 inp = (struct sctp_inpcb *)so->so_pcb; 840 if (inp == NULL) { 841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 842 return (EINVAL); 843 } 844 SCTP_INP_RLOCK(inp); 845 /* For the 1 to many model this does nothing */ 846 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 847 SCTP_INP_RUNLOCK(inp); 848 return (0); 849 } 850 SCTP_INP_RUNLOCK(inp); 851 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 852 /* 853 * First make sure the sb will be happy, we don't use these 854 * except maybe the count 855 */ 856 SCTP_INP_WLOCK(inp); 857 SCTP_INP_READ_LOCK(inp); 858 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 859 SCTP_INP_READ_UNLOCK(inp); 860 SCTP_INP_WUNLOCK(inp); 861 so->so_rcv.sb_cc = 0; 862 so->so_rcv.sb_mbcnt = 0; 863 so->so_rcv.sb_mb = NULL; 864 } 865 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 866 /* 867 * First make sure the sb will be happy, we don't use these 868 * except maybe the count 869 */ 870 so->so_snd.sb_cc = 0; 871 so->so_snd.sb_mbcnt = 0; 872 so->so_snd.sb_mb = NULL; 873 874 } 875 return (0); 876 } 877 878 int 879 sctp_shutdown(struct socket *so) 880 { 881 struct sctp_inpcb *inp; 882 883 inp = (struct sctp_inpcb *)so->so_pcb; 884 if (inp == NULL) { 885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 886 return (EINVAL); 887 } 888 SCTP_INP_RLOCK(inp); 889 /* For UDP model this is a invalid call */ 890 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 892 /* Restore the flags that the soshutdown took away. */ 893 SOCKBUF_LOCK(&so->so_rcv); 894 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 895 SOCKBUF_UNLOCK(&so->so_rcv); 896 /* This proc will wakeup for read and do nothing (I hope) */ 897 SCTP_INP_RUNLOCK(inp); 898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 899 return (EOPNOTSUPP); 900 } else { 901 /* 902 * Ok, if we reach here its the TCP model and it is either a 903 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 904 * against it. 905 */ 906 struct sctp_tcb *stcb; 907 struct sctp_association *asoc; 908 struct sctp_nets *netp; 909 910 if ((so->so_state & 911 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 912 SCTP_INP_RUNLOCK(inp); 913 return (ENOTCONN); 914 } 915 socantsendmore(so); 916 917 stcb = LIST_FIRST(&inp->sctp_asoc_list); 918 if (stcb == NULL) { 919 /* 920 * Ok, we hit the case that the shutdown call was 921 * made after an abort or something. Nothing to do 922 * now. 923 */ 924 SCTP_INP_RUNLOCK(inp); 925 return (0); 926 } 927 SCTP_TCB_LOCK(stcb); 928 asoc = &stcb->asoc; 929 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 930 SCTP_TCB_UNLOCK(stcb); 931 SCTP_INP_RUNLOCK(inp); 932 return (0); 933 } 934 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 935 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 936 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 937 /* 938 * If we are not in or before ESTABLISHED, there is 939 * no protocol action required. 940 */ 941 SCTP_TCB_UNLOCK(stcb); 942 SCTP_INP_RUNLOCK(inp); 943 return (0); 944 } 945 if (stcb->asoc.alternate) { 946 netp = stcb->asoc.alternate; 947 } else { 948 netp = stcb->asoc.primary_destination; 949 } 950 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 951 TAILQ_EMPTY(&asoc->send_queue) && 952 TAILQ_EMPTY(&asoc->sent_queue) && 953 (asoc->stream_queue_cnt == 0)) { 954 if (asoc->locked_on_sending) { 955 goto abort_anyway; 956 } 957 /* there is nothing queued to send, so I'm done... */ 958 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 959 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 960 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 961 sctp_stop_timers_for_shutdown(stcb); 962 sctp_send_shutdown(stcb, netp); 963 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 964 stcb->sctp_ep, stcb, netp); 965 } else { 966 /* 967 * We still got (or just got) data to send, so set 968 * SHUTDOWN_PENDING. 969 */ 970 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 971 if (asoc->locked_on_sending) { 972 /* Locked to send out the data */ 973 struct sctp_stream_queue_pending *sp; 974 975 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 976 if (sp == NULL) { 977 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 978 asoc->locked_on_sending->stream_no); 979 } else { 980 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 981 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 982 } 983 } 984 } 985 if (TAILQ_EMPTY(&asoc->send_queue) && 986 TAILQ_EMPTY(&asoc->sent_queue) && 987 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 988 struct mbuf *op_err; 989 990 abort_anyway: 991 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 992 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 993 sctp_abort_an_association(stcb->sctp_ep, stcb, 994 op_err, SCTP_SO_LOCKED); 995 SCTP_INP_RUNLOCK(inp); 996 return (0); 997 } 998 } 999 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1000 /* 1001 * XXX: Why do this in the case where we have still data 1002 * queued? 1003 */ 1004 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1005 SCTP_TCB_UNLOCK(stcb); 1006 SCTP_INP_RUNLOCK(inp); 1007 return (0); 1008 } 1009 } 1010 1011 /* 1012 * copies a "user" presentable address and removes embedded scope, etc. 1013 * returns 0 on success, 1 on error 1014 */ 1015 static uint32_t 1016 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1017 { 1018 #ifdef INET6 1019 struct sockaddr_in6 lsa6; 1020 1021 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1022 &lsa6); 1023 #endif 1024 memcpy(ss, sa, sa->sa_len); 1025 return (0); 1026 } 1027 1028 1029 1030 /* 1031 * NOTE: assumes addr lock is held 1032 */ 1033 static size_t 1034 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1035 struct sctp_tcb *stcb, 1036 size_t limit, 1037 struct sockaddr_storage *sas, 1038 uint32_t vrf_id) 1039 { 1040 struct sctp_ifn *sctp_ifn; 1041 struct sctp_ifa *sctp_ifa; 1042 size_t actual; 1043 int loopback_scope; 1044 1045 #if defined(INET) 1046 int ipv4_local_scope, ipv4_addr_legal; 1047 1048 #endif 1049 #if defined(INET6) 1050 int local_scope, site_scope, ipv6_addr_legal; 1051 1052 #endif 1053 struct sctp_vrf *vrf; 1054 1055 actual = 0; 1056 if (limit <= 0) 1057 return (actual); 1058 1059 if (stcb) { 1060 /* Turn on all the appropriate scope */ 1061 loopback_scope = stcb->asoc.scope.loopback_scope; 1062 #if defined(INET) 1063 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1064 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1065 #endif 1066 #if defined(INET6) 1067 local_scope = stcb->asoc.scope.local_scope; 1068 site_scope = stcb->asoc.scope.site_scope; 1069 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1070 #endif 1071 } else { 1072 /* Use generic values for endpoints. */ 1073 loopback_scope = 1; 1074 #if defined(INET) 1075 ipv4_local_scope = 1; 1076 #endif 1077 #if defined(INET6) 1078 local_scope = 1; 1079 site_scope = 1; 1080 #endif 1081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1082 #if defined(INET6) 1083 ipv6_addr_legal = 1; 1084 #endif 1085 #if defined(INET) 1086 if (SCTP_IPV6_V6ONLY(inp)) { 1087 ipv4_addr_legal = 0; 1088 } else { 1089 ipv4_addr_legal = 1; 1090 } 1091 #endif 1092 } else { 1093 #if defined(INET6) 1094 ipv6_addr_legal = 0; 1095 #endif 1096 #if defined(INET) 1097 ipv4_addr_legal = 1; 1098 #endif 1099 } 1100 } 1101 vrf = sctp_find_vrf(vrf_id); 1102 if (vrf == NULL) { 1103 return (0); 1104 } 1105 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1106 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1107 if ((loopback_scope == 0) && 1108 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1109 /* Skip loopback if loopback_scope not set */ 1110 continue; 1111 } 1112 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1113 if (stcb) { 1114 /* 1115 * For the BOUND-ALL case, the list 1116 * associated with a TCB is Always 1117 * considered a reverse list.. i.e. 1118 * it lists addresses that are NOT 1119 * part of the association. If this 1120 * is one of those we must skip it. 1121 */ 1122 if (sctp_is_addr_restricted(stcb, 1123 sctp_ifa)) { 1124 continue; 1125 } 1126 } 1127 switch (sctp_ifa->address.sa.sa_family) { 1128 #ifdef INET 1129 case AF_INET: 1130 if (ipv4_addr_legal) { 1131 struct sockaddr_in *sin; 1132 1133 sin = &sctp_ifa->address.sin; 1134 if (sin->sin_addr.s_addr == 0) { 1135 /* 1136 * we skip 1137 * unspecifed 1138 * addresses 1139 */ 1140 continue; 1141 } 1142 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1143 &sin->sin_addr) != 0) { 1144 continue; 1145 } 1146 if ((ipv4_local_scope == 0) && 1147 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1148 continue; 1149 } 1150 #ifdef INET6 1151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1152 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1153 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1154 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1155 actual += sizeof(struct sockaddr_in6); 1156 } else { 1157 #endif 1158 memcpy(sas, sin, sizeof(*sin)); 1159 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1160 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1161 actual += sizeof(*sin); 1162 #ifdef INET6 1163 } 1164 #endif 1165 if (actual >= limit) { 1166 return (actual); 1167 } 1168 } else { 1169 continue; 1170 } 1171 break; 1172 #endif 1173 #ifdef INET6 1174 case AF_INET6: 1175 if (ipv6_addr_legal) { 1176 struct sockaddr_in6 *sin6; 1177 1178 sin6 = &sctp_ifa->address.sin6; 1179 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1180 /* 1181 * we skip 1182 * unspecifed 1183 * addresses 1184 */ 1185 continue; 1186 } 1187 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1188 &sin6->sin6_addr) != 0) { 1189 continue; 1190 } 1191 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1192 if (local_scope == 0) 1193 continue; 1194 if (sin6->sin6_scope_id == 0) { 1195 if (sa6_recoverscope(sin6) != 0) 1196 /* 1197 * 1198 * bad 1199 * 1200 * li 1201 * nk 1202 * 1203 * loc 1204 * al 1205 * 1206 * add 1207 * re 1208 * ss 1209 * */ 1210 continue; 1211 } 1212 } 1213 if ((site_scope == 0) && 1214 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1215 continue; 1216 } 1217 memcpy(sas, sin6, sizeof(*sin6)); 1218 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1220 actual += sizeof(*sin6); 1221 if (actual >= limit) { 1222 return (actual); 1223 } 1224 } else { 1225 continue; 1226 } 1227 break; 1228 #endif 1229 default: 1230 /* TSNH */ 1231 break; 1232 } 1233 } 1234 } 1235 } else { 1236 struct sctp_laddr *laddr; 1237 1238 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1239 if (stcb) { 1240 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1241 continue; 1242 } 1243 } 1244 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1245 continue; 1246 switch (laddr->ifa->address.sa.sa_family) { 1247 #ifdef INET 1248 case AF_INET: 1249 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1250 break; 1251 #endif 1252 #ifdef INET6 1253 case AF_INET6: 1254 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1255 break; 1256 #endif 1257 default: 1258 /* TSNH */ 1259 break; 1260 } 1261 sas = (struct sockaddr_storage *)((caddr_t)sas + 1262 laddr->ifa->address.sa.sa_len); 1263 actual += laddr->ifa->address.sa.sa_len; 1264 if (actual >= limit) { 1265 return (actual); 1266 } 1267 } 1268 } 1269 return (actual); 1270 } 1271 1272 static size_t 1273 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1274 struct sctp_tcb *stcb, 1275 size_t limit, 1276 struct sockaddr_storage *sas) 1277 { 1278 size_t size = 0; 1279 1280 SCTP_IPI_ADDR_RLOCK(); 1281 /* fill up addresses for the endpoint's default vrf */ 1282 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1283 inp->def_vrf_id); 1284 SCTP_IPI_ADDR_RUNLOCK(); 1285 return (size); 1286 } 1287 1288 /* 1289 * NOTE: assumes addr lock is held 1290 */ 1291 static int 1292 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1293 { 1294 int cnt = 0; 1295 struct sctp_vrf *vrf = NULL; 1296 1297 /* 1298 * In both sub-set bound an bound_all cases we return the MAXIMUM 1299 * number of addresses that you COULD get. In reality the sub-set 1300 * bound may have an exclusion list for a given TCB OR in the 1301 * bound-all case a TCB may NOT include the loopback or other 1302 * addresses as well. 1303 */ 1304 vrf = sctp_find_vrf(vrf_id); 1305 if (vrf == NULL) { 1306 return (0); 1307 } 1308 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1309 struct sctp_ifn *sctp_ifn; 1310 struct sctp_ifa *sctp_ifa; 1311 1312 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1313 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1314 /* Count them if they are the right type */ 1315 switch (sctp_ifa->address.sa.sa_family) { 1316 #ifdef INET 1317 case AF_INET: 1318 #ifdef INET6 1319 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1320 cnt += sizeof(struct sockaddr_in6); 1321 else 1322 cnt += sizeof(struct sockaddr_in); 1323 #else 1324 cnt += sizeof(struct sockaddr_in); 1325 #endif 1326 break; 1327 #endif 1328 #ifdef INET6 1329 case AF_INET6: 1330 cnt += sizeof(struct sockaddr_in6); 1331 break; 1332 #endif 1333 default: 1334 break; 1335 } 1336 } 1337 } 1338 } else { 1339 struct sctp_laddr *laddr; 1340 1341 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1342 switch (laddr->ifa->address.sa.sa_family) { 1343 #ifdef INET 1344 case AF_INET: 1345 #ifdef INET6 1346 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1347 cnt += sizeof(struct sockaddr_in6); 1348 else 1349 cnt += sizeof(struct sockaddr_in); 1350 #else 1351 cnt += sizeof(struct sockaddr_in); 1352 #endif 1353 break; 1354 #endif 1355 #ifdef INET6 1356 case AF_INET6: 1357 cnt += sizeof(struct sockaddr_in6); 1358 break; 1359 #endif 1360 default: 1361 break; 1362 } 1363 } 1364 } 1365 return (cnt); 1366 } 1367 1368 static int 1369 sctp_count_max_addresses(struct sctp_inpcb *inp) 1370 { 1371 int cnt = 0; 1372 1373 SCTP_IPI_ADDR_RLOCK(); 1374 /* count addresses for the endpoint's default VRF */ 1375 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1376 SCTP_IPI_ADDR_RUNLOCK(); 1377 return (cnt); 1378 } 1379 1380 static int 1381 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1382 size_t optsize, void *p, int delay) 1383 { 1384 int error = 0; 1385 int creat_lock_on = 0; 1386 struct sctp_tcb *stcb = NULL; 1387 struct sockaddr *sa; 1388 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1389 uint32_t vrf_id; 1390 int bad_addresses = 0; 1391 sctp_assoc_t *a_id; 1392 1393 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1394 1395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1396 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1397 /* We are already connected AND the TCP model */ 1398 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1399 return (EADDRINUSE); 1400 } 1401 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1402 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1403 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1404 return (EINVAL); 1405 } 1406 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1407 SCTP_INP_RLOCK(inp); 1408 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1409 SCTP_INP_RUNLOCK(inp); 1410 } 1411 if (stcb) { 1412 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1413 return (EALREADY); 1414 } 1415 SCTP_INP_INCR_REF(inp); 1416 SCTP_ASOC_CREATE_LOCK(inp); 1417 creat_lock_on = 1; 1418 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1419 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1420 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1421 error = EFAULT; 1422 goto out_now; 1423 } 1424 totaddrp = (unsigned int *)optval; 1425 totaddr = *totaddrp; 1426 sa = (struct sockaddr *)(totaddrp + 1); 1427 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1428 if ((stcb != NULL) || bad_addresses) { 1429 /* Already have or am bring up an association */ 1430 SCTP_ASOC_CREATE_UNLOCK(inp); 1431 creat_lock_on = 0; 1432 if (stcb) 1433 SCTP_TCB_UNLOCK(stcb); 1434 if (bad_addresses == 0) { 1435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1436 error = EALREADY; 1437 } 1438 goto out_now; 1439 } 1440 #ifdef INET6 1441 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1442 (num_v6 > 0)) { 1443 error = EINVAL; 1444 goto out_now; 1445 } 1446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1447 (num_v4 > 0)) { 1448 struct in6pcb *inp6; 1449 1450 inp6 = (struct in6pcb *)inp; 1451 if (SCTP_IPV6_V6ONLY(inp6)) { 1452 /* 1453 * if IPV6_V6ONLY flag, ignore connections destined 1454 * to a v4 addr or v4-mapped addr 1455 */ 1456 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1457 error = EINVAL; 1458 goto out_now; 1459 } 1460 } 1461 #endif /* INET6 */ 1462 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1463 SCTP_PCB_FLAGS_UNBOUND) { 1464 /* Bind a ephemeral port */ 1465 error = sctp_inpcb_bind(so, NULL, NULL, p); 1466 if (error) { 1467 goto out_now; 1468 } 1469 } 1470 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1471 vrf_id = inp->def_vrf_id; 1472 1473 1474 /* We are GOOD to go */ 1475 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1476 inp->sctp_ep.pre_open_stream_count, 1477 (struct thread *)p 1478 ); 1479 if (stcb == NULL) { 1480 /* Gak! no memory */ 1481 goto out_now; 1482 } 1483 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1484 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1485 /* Set the connected flag so we can queue data */ 1486 soisconnecting(so); 1487 } 1488 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1489 /* move to second address */ 1490 switch (sa->sa_family) { 1491 #ifdef INET 1492 case AF_INET: 1493 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1494 break; 1495 #endif 1496 #ifdef INET6 1497 case AF_INET6: 1498 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1499 break; 1500 #endif 1501 default: 1502 break; 1503 } 1504 1505 error = 0; 1506 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1507 /* Fill in the return id */ 1508 if (error) { 1509 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1510 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1511 goto out_now; 1512 } 1513 a_id = (sctp_assoc_t *) optval; 1514 *a_id = sctp_get_associd(stcb); 1515 1516 /* initialize authentication parameters for the assoc */ 1517 sctp_initialize_auth_params(inp, stcb); 1518 1519 if (delay) { 1520 /* doing delayed connection */ 1521 stcb->asoc.delayed_connection = 1; 1522 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1523 } else { 1524 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1525 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1526 } 1527 SCTP_TCB_UNLOCK(stcb); 1528 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1529 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1530 /* Set the connected flag so we can queue data */ 1531 soisconnecting(so); 1532 } 1533 out_now: 1534 if (creat_lock_on) { 1535 SCTP_ASOC_CREATE_UNLOCK(inp); 1536 } 1537 SCTP_INP_DECR_REF(inp); 1538 return (error); 1539 } 1540 1541 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1544 SCTP_INP_RLOCK(inp); \ 1545 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1546 if (stcb) { \ 1547 SCTP_TCB_LOCK(stcb); \ 1548 } \ 1549 SCTP_INP_RUNLOCK(inp); \ 1550 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1551 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1552 if (stcb == NULL) { \ 1553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1554 error = ENOENT; \ 1555 break; \ 1556 } \ 1557 } else { \ 1558 stcb = NULL; \ 1559 } \ 1560 } 1561 1562 1563 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1564 if (size < sizeof(type)) { \ 1565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1566 error = EINVAL; \ 1567 break; \ 1568 } else { \ 1569 destp = (type *)srcp; \ 1570 } \ 1571 } 1572 1573 static int 1574 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1575 void *p) 1576 { 1577 struct sctp_inpcb *inp = NULL; 1578 int error, val = 0; 1579 struct sctp_tcb *stcb = NULL; 1580 1581 if (optval == NULL) { 1582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1583 return (EINVAL); 1584 } 1585 inp = (struct sctp_inpcb *)so->so_pcb; 1586 if (inp == NULL) { 1587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1588 return EINVAL; 1589 } 1590 error = 0; 1591 1592 switch (optname) { 1593 case SCTP_NODELAY: 1594 case SCTP_AUTOCLOSE: 1595 case SCTP_EXPLICIT_EOR: 1596 case SCTP_AUTO_ASCONF: 1597 case SCTP_DISABLE_FRAGMENTS: 1598 case SCTP_I_WANT_MAPPED_V4_ADDR: 1599 case SCTP_USE_EXT_RCVINFO: 1600 SCTP_INP_RLOCK(inp); 1601 switch (optname) { 1602 case SCTP_DISABLE_FRAGMENTS: 1603 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1604 break; 1605 case SCTP_I_WANT_MAPPED_V4_ADDR: 1606 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1607 break; 1608 case SCTP_AUTO_ASCONF: 1609 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1610 /* only valid for bound all sockets */ 1611 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1612 } else { 1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1614 error = EINVAL; 1615 goto flags_out; 1616 } 1617 break; 1618 case SCTP_EXPLICIT_EOR: 1619 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1620 break; 1621 case SCTP_NODELAY: 1622 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1623 break; 1624 case SCTP_USE_EXT_RCVINFO: 1625 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1626 break; 1627 case SCTP_AUTOCLOSE: 1628 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1629 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1630 else 1631 val = 0; 1632 break; 1633 1634 default: 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1636 error = ENOPROTOOPT; 1637 } /* end switch (sopt->sopt_name) */ 1638 if (*optsize < sizeof(val)) { 1639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1640 error = EINVAL; 1641 } 1642 flags_out: 1643 SCTP_INP_RUNLOCK(inp); 1644 if (error == 0) { 1645 /* return the option value */ 1646 *(int *)optval = val; 1647 *optsize = sizeof(val); 1648 } 1649 break; 1650 case SCTP_GET_PACKET_LOG: 1651 { 1652 #ifdef SCTP_PACKET_LOGGING 1653 uint8_t *target; 1654 int ret; 1655 1656 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1657 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1658 *optsize = ret; 1659 #else 1660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1661 error = EOPNOTSUPP; 1662 #endif 1663 break; 1664 } 1665 case SCTP_REUSE_PORT: 1666 { 1667 uint32_t *value; 1668 1669 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1670 /* Can't do this for a 1-m socket */ 1671 error = EINVAL; 1672 break; 1673 } 1674 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1675 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1676 *optsize = sizeof(uint32_t); 1677 break; 1678 } 1679 case SCTP_PARTIAL_DELIVERY_POINT: 1680 { 1681 uint32_t *value; 1682 1683 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1684 *value = inp->partial_delivery_point; 1685 *optsize = sizeof(uint32_t); 1686 break; 1687 } 1688 case SCTP_FRAGMENT_INTERLEAVE: 1689 { 1690 uint32_t *value; 1691 1692 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1693 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1694 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1695 *value = SCTP_FRAG_LEVEL_2; 1696 } else { 1697 *value = SCTP_FRAG_LEVEL_1; 1698 } 1699 } else { 1700 *value = SCTP_FRAG_LEVEL_0; 1701 } 1702 *optsize = sizeof(uint32_t); 1703 break; 1704 } 1705 case SCTP_INTERLEAVING_SUPPORTED: 1706 { 1707 struct sctp_assoc_value *av; 1708 1709 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1710 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1711 1712 if (stcb) { 1713 av->assoc_value = stcb->asoc.idata_supported; 1714 SCTP_TCB_UNLOCK(stcb); 1715 } else { 1716 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1717 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1718 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1719 SCTP_INP_RLOCK(inp); 1720 if (inp->idata_supported) { 1721 av->assoc_value = 1; 1722 } else { 1723 av->assoc_value = 0; 1724 } 1725 SCTP_INP_RUNLOCK(inp); 1726 } else { 1727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1728 error = EINVAL; 1729 } 1730 } 1731 if (error == 0) { 1732 *optsize = sizeof(struct sctp_assoc_value); 1733 } 1734 break; 1735 } 1736 case SCTP_CMT_ON_OFF: 1737 { 1738 struct sctp_assoc_value *av; 1739 1740 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1741 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1742 if (stcb) { 1743 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1744 SCTP_TCB_UNLOCK(stcb); 1745 } else { 1746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1748 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1749 SCTP_INP_RLOCK(inp); 1750 av->assoc_value = inp->sctp_cmt_on_off; 1751 SCTP_INP_RUNLOCK(inp); 1752 } else { 1753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1754 error = EINVAL; 1755 } 1756 } 1757 if (error == 0) { 1758 *optsize = sizeof(struct sctp_assoc_value); 1759 } 1760 break; 1761 } 1762 case SCTP_PLUGGABLE_CC: 1763 { 1764 struct sctp_assoc_value *av; 1765 1766 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1767 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1768 if (stcb) { 1769 av->assoc_value = stcb->asoc.congestion_control_module; 1770 SCTP_TCB_UNLOCK(stcb); 1771 } else { 1772 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1773 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1774 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1775 SCTP_INP_RLOCK(inp); 1776 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1777 SCTP_INP_RUNLOCK(inp); 1778 } else { 1779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1780 error = EINVAL; 1781 } 1782 } 1783 if (error == 0) { 1784 *optsize = sizeof(struct sctp_assoc_value); 1785 } 1786 break; 1787 } 1788 case SCTP_CC_OPTION: 1789 { 1790 struct sctp_cc_option *cc_opt; 1791 1792 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1793 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1794 if (stcb == NULL) { 1795 error = EINVAL; 1796 } else { 1797 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1798 error = ENOTSUP; 1799 } else { 1800 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1801 *optsize = sizeof(struct sctp_cc_option); 1802 } 1803 SCTP_TCB_UNLOCK(stcb); 1804 } 1805 break; 1806 } 1807 case SCTP_PLUGGABLE_SS: 1808 { 1809 struct sctp_assoc_value *av; 1810 1811 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1812 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1813 if (stcb) { 1814 av->assoc_value = stcb->asoc.stream_scheduling_module; 1815 SCTP_TCB_UNLOCK(stcb); 1816 } else { 1817 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1818 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1819 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1820 SCTP_INP_RLOCK(inp); 1821 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1822 SCTP_INP_RUNLOCK(inp); 1823 } else { 1824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1825 error = EINVAL; 1826 } 1827 } 1828 if (error == 0) { 1829 *optsize = sizeof(struct sctp_assoc_value); 1830 } 1831 break; 1832 } 1833 case SCTP_SS_VALUE: 1834 { 1835 struct sctp_stream_value *av; 1836 1837 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1838 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1839 if (stcb) { 1840 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1841 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1842 &av->stream_value) < 0)) { 1843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1844 error = EINVAL; 1845 } else { 1846 *optsize = sizeof(struct sctp_stream_value); 1847 } 1848 SCTP_TCB_UNLOCK(stcb); 1849 } else { 1850 /* 1851 * Can't get stream value without 1852 * association 1853 */ 1854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1855 error = EINVAL; 1856 } 1857 break; 1858 } 1859 case SCTP_GET_ADDR_LEN: 1860 { 1861 struct sctp_assoc_value *av; 1862 1863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1864 error = EINVAL; 1865 #ifdef INET 1866 if (av->assoc_value == AF_INET) { 1867 av->assoc_value = sizeof(struct sockaddr_in); 1868 error = 0; 1869 } 1870 #endif 1871 #ifdef INET6 1872 if (av->assoc_value == AF_INET6) { 1873 av->assoc_value = sizeof(struct sockaddr_in6); 1874 error = 0; 1875 } 1876 #endif 1877 if (error) { 1878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1879 } else { 1880 *optsize = sizeof(struct sctp_assoc_value); 1881 } 1882 break; 1883 } 1884 case SCTP_GET_ASSOC_NUMBER: 1885 { 1886 uint32_t *value, cnt; 1887 1888 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1889 SCTP_INP_RLOCK(inp); 1890 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1892 /* Can't do this for a 1-1 socket */ 1893 error = EINVAL; 1894 SCTP_INP_RUNLOCK(inp); 1895 break; 1896 } 1897 cnt = 0; 1898 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1899 cnt++; 1900 } 1901 SCTP_INP_RUNLOCK(inp); 1902 *value = cnt; 1903 *optsize = sizeof(uint32_t); 1904 break; 1905 } 1906 case SCTP_GET_ASSOC_ID_LIST: 1907 { 1908 struct sctp_assoc_ids *ids; 1909 uint32_t at; 1910 size_t limit; 1911 1912 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1913 SCTP_INP_RLOCK(inp); 1914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1915 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1916 /* Can't do this for a 1-1 socket */ 1917 error = EINVAL; 1918 SCTP_INP_RUNLOCK(inp); 1919 break; 1920 } 1921 at = 0; 1922 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1923 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1924 if (at < limit) { 1925 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1926 if (at == 0) { 1927 error = EINVAL; 1928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1929 break; 1930 } 1931 } else { 1932 error = EINVAL; 1933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1934 break; 1935 } 1936 } 1937 SCTP_INP_RUNLOCK(inp); 1938 if (error == 0) { 1939 ids->gaids_number_of_ids = at; 1940 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1941 } 1942 break; 1943 } 1944 case SCTP_CONTEXT: 1945 { 1946 struct sctp_assoc_value *av; 1947 1948 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1949 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1950 1951 if (stcb) { 1952 av->assoc_value = stcb->asoc.context; 1953 SCTP_TCB_UNLOCK(stcb); 1954 } else { 1955 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1956 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1957 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1958 SCTP_INP_RLOCK(inp); 1959 av->assoc_value = inp->sctp_context; 1960 SCTP_INP_RUNLOCK(inp); 1961 } else { 1962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1963 error = EINVAL; 1964 } 1965 } 1966 if (error == 0) { 1967 *optsize = sizeof(struct sctp_assoc_value); 1968 } 1969 break; 1970 } 1971 case SCTP_VRF_ID: 1972 { 1973 uint32_t *default_vrfid; 1974 1975 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1976 *default_vrfid = inp->def_vrf_id; 1977 *optsize = sizeof(uint32_t); 1978 break; 1979 } 1980 case SCTP_GET_ASOC_VRF: 1981 { 1982 struct sctp_assoc_value *id; 1983 1984 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1985 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1986 if (stcb == NULL) { 1987 error = EINVAL; 1988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1989 } else { 1990 id->assoc_value = stcb->asoc.vrf_id; 1991 *optsize = sizeof(struct sctp_assoc_value); 1992 } 1993 break; 1994 } 1995 case SCTP_GET_VRF_IDS: 1996 { 1997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1998 error = EOPNOTSUPP; 1999 break; 2000 } 2001 case SCTP_GET_NONCE_VALUES: 2002 { 2003 struct sctp_get_nonce_values *gnv; 2004 2005 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2006 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2007 2008 if (stcb) { 2009 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2010 gnv->gn_local_tag = stcb->asoc.my_vtag; 2011 SCTP_TCB_UNLOCK(stcb); 2012 *optsize = sizeof(struct sctp_get_nonce_values); 2013 } else { 2014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2015 error = ENOTCONN; 2016 } 2017 break; 2018 } 2019 case SCTP_DELAYED_SACK: 2020 { 2021 struct sctp_sack_info *sack; 2022 2023 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2024 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2025 if (stcb) { 2026 sack->sack_delay = stcb->asoc.delayed_ack; 2027 sack->sack_freq = stcb->asoc.sack_freq; 2028 SCTP_TCB_UNLOCK(stcb); 2029 } else { 2030 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2031 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2032 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2033 SCTP_INP_RLOCK(inp); 2034 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2035 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2036 SCTP_INP_RUNLOCK(inp); 2037 } else { 2038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2039 error = EINVAL; 2040 } 2041 } 2042 if (error == 0) { 2043 *optsize = sizeof(struct sctp_sack_info); 2044 } 2045 break; 2046 } 2047 case SCTP_GET_SNDBUF_USE: 2048 { 2049 struct sctp_sockstat *ss; 2050 2051 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2052 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2053 2054 if (stcb) { 2055 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2056 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2057 stcb->asoc.size_on_all_streams); 2058 SCTP_TCB_UNLOCK(stcb); 2059 *optsize = sizeof(struct sctp_sockstat); 2060 } else { 2061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2062 error = ENOTCONN; 2063 } 2064 break; 2065 } 2066 case SCTP_MAX_BURST: 2067 { 2068 struct sctp_assoc_value *av; 2069 2070 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2071 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2072 2073 if (stcb) { 2074 av->assoc_value = stcb->asoc.max_burst; 2075 SCTP_TCB_UNLOCK(stcb); 2076 } else { 2077 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2078 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2079 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2080 SCTP_INP_RLOCK(inp); 2081 av->assoc_value = inp->sctp_ep.max_burst; 2082 SCTP_INP_RUNLOCK(inp); 2083 } else { 2084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2085 error = EINVAL; 2086 } 2087 } 2088 if (error == 0) { 2089 *optsize = sizeof(struct sctp_assoc_value); 2090 } 2091 break; 2092 } 2093 case SCTP_MAXSEG: 2094 { 2095 struct sctp_assoc_value *av; 2096 int ovh; 2097 2098 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2099 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2100 2101 if (stcb) { 2102 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2103 SCTP_TCB_UNLOCK(stcb); 2104 } else { 2105 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2106 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2107 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2108 SCTP_INP_RLOCK(inp); 2109 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2110 ovh = SCTP_MED_OVERHEAD; 2111 } else { 2112 ovh = SCTP_MED_V4_OVERHEAD; 2113 } 2114 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2115 av->assoc_value = 0; 2116 else 2117 av->assoc_value = inp->sctp_frag_point - ovh; 2118 SCTP_INP_RUNLOCK(inp); 2119 } else { 2120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2121 error = EINVAL; 2122 } 2123 } 2124 if (error == 0) { 2125 *optsize = sizeof(struct sctp_assoc_value); 2126 } 2127 break; 2128 } 2129 case SCTP_GET_STAT_LOG: 2130 error = sctp_fill_stat_log(optval, optsize); 2131 break; 2132 case SCTP_EVENTS: 2133 { 2134 struct sctp_event_subscribe *events; 2135 2136 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2137 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2138 SCTP_INP_RLOCK(inp); 2139 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2140 events->sctp_data_io_event = 1; 2141 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2143 events->sctp_association_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2146 events->sctp_address_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2149 events->sctp_send_failure_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2152 events->sctp_peer_error_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2155 events->sctp_shutdown_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2158 events->sctp_partial_delivery_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2161 events->sctp_adaptation_layer_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2164 events->sctp_authentication_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2167 events->sctp_sender_dry_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2170 events->sctp_stream_reset_event = 1; 2171 SCTP_INP_RUNLOCK(inp); 2172 *optsize = sizeof(struct sctp_event_subscribe); 2173 break; 2174 } 2175 case SCTP_ADAPTATION_LAYER: 2176 { 2177 uint32_t *value; 2178 2179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2180 2181 SCTP_INP_RLOCK(inp); 2182 *value = inp->sctp_ep.adaptation_layer_indicator; 2183 SCTP_INP_RUNLOCK(inp); 2184 *optsize = sizeof(uint32_t); 2185 break; 2186 } 2187 case SCTP_SET_INITIAL_DBG_SEQ: 2188 { 2189 uint32_t *value; 2190 2191 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2192 SCTP_INP_RLOCK(inp); 2193 *value = inp->sctp_ep.initial_sequence_debug; 2194 SCTP_INP_RUNLOCK(inp); 2195 *optsize = sizeof(uint32_t); 2196 break; 2197 } 2198 case SCTP_GET_LOCAL_ADDR_SIZE: 2199 { 2200 uint32_t *value; 2201 2202 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2203 SCTP_INP_RLOCK(inp); 2204 *value = sctp_count_max_addresses(inp); 2205 SCTP_INP_RUNLOCK(inp); 2206 *optsize = sizeof(uint32_t); 2207 break; 2208 } 2209 case SCTP_GET_REMOTE_ADDR_SIZE: 2210 { 2211 uint32_t *value; 2212 size_t size; 2213 struct sctp_nets *net; 2214 2215 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2216 /* FIXME MT: change to sctp_assoc_value? */ 2217 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2218 2219 if (stcb) { 2220 size = 0; 2221 /* Count the sizes */ 2222 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2223 switch (net->ro._l_addr.sa.sa_family) { 2224 #ifdef INET 2225 case AF_INET: 2226 #ifdef INET6 2227 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2228 size += sizeof(struct sockaddr_in6); 2229 } else { 2230 size += sizeof(struct sockaddr_in); 2231 } 2232 #else 2233 size += sizeof(struct sockaddr_in); 2234 #endif 2235 break; 2236 #endif 2237 #ifdef INET6 2238 case AF_INET6: 2239 size += sizeof(struct sockaddr_in6); 2240 break; 2241 #endif 2242 default: 2243 break; 2244 } 2245 } 2246 SCTP_TCB_UNLOCK(stcb); 2247 *value = (uint32_t) size; 2248 *optsize = sizeof(uint32_t); 2249 } else { 2250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2251 error = ENOTCONN; 2252 } 2253 break; 2254 } 2255 case SCTP_GET_PEER_ADDRESSES: 2256 /* 2257 * Get the address information, an array is passed in to 2258 * fill up we pack it. 2259 */ 2260 { 2261 size_t cpsz, left; 2262 struct sockaddr_storage *sas; 2263 struct sctp_nets *net; 2264 struct sctp_getaddresses *saddr; 2265 2266 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2267 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2268 2269 if (stcb) { 2270 left = (*optsize) - sizeof(struct sctp_getaddresses); 2271 *optsize = sizeof(struct sctp_getaddresses); 2272 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2273 2274 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2275 switch (net->ro._l_addr.sa.sa_family) { 2276 #ifdef INET 2277 case AF_INET: 2278 #ifdef INET6 2279 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2280 cpsz = sizeof(struct sockaddr_in6); 2281 } else { 2282 cpsz = sizeof(struct sockaddr_in); 2283 } 2284 #else 2285 cpsz = sizeof(struct sockaddr_in); 2286 #endif 2287 break; 2288 #endif 2289 #ifdef INET6 2290 case AF_INET6: 2291 cpsz = sizeof(struct sockaddr_in6); 2292 break; 2293 #endif 2294 default: 2295 cpsz = 0; 2296 break; 2297 } 2298 if (cpsz == 0) { 2299 break; 2300 } 2301 if (left < cpsz) { 2302 /* not enough room. */ 2303 break; 2304 } 2305 #if defined(INET) && defined(INET6) 2306 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2307 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2308 /* Must map the address */ 2309 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2310 (struct sockaddr_in6 *)sas); 2311 } else { 2312 memcpy(sas, &net->ro._l_addr, cpsz); 2313 } 2314 #else 2315 memcpy(sas, &net->ro._l_addr, cpsz); 2316 #endif 2317 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2318 2319 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2320 left -= cpsz; 2321 *optsize += cpsz; 2322 } 2323 SCTP_TCB_UNLOCK(stcb); 2324 } else { 2325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2326 error = ENOENT; 2327 } 2328 break; 2329 } 2330 case SCTP_GET_LOCAL_ADDRESSES: 2331 { 2332 size_t limit, actual; 2333 struct sockaddr_storage *sas; 2334 struct sctp_getaddresses *saddr; 2335 2336 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2337 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2338 2339 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2340 limit = *optsize - sizeof(sctp_assoc_t); 2341 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2342 if (stcb) { 2343 SCTP_TCB_UNLOCK(stcb); 2344 } 2345 *optsize = sizeof(struct sockaddr_storage) + actual; 2346 break; 2347 } 2348 case SCTP_PEER_ADDR_PARAMS: 2349 { 2350 struct sctp_paddrparams *paddrp; 2351 struct sctp_nets *net; 2352 struct sockaddr *addr; 2353 2354 #if defined(INET) && defined(INET6) 2355 struct sockaddr_in sin_store; 2356 2357 #endif 2358 2359 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2360 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2361 2362 #if defined(INET) && defined(INET6) 2363 if (paddrp->spp_address.ss_family == AF_INET6) { 2364 struct sockaddr_in6 *sin6; 2365 2366 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2367 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2368 in6_sin6_2_sin(&sin_store, sin6); 2369 addr = (struct sockaddr *)&sin_store; 2370 } else { 2371 addr = (struct sockaddr *)&paddrp->spp_address; 2372 } 2373 } else { 2374 addr = (struct sockaddr *)&paddrp->spp_address; 2375 } 2376 #else 2377 addr = (struct sockaddr *)&paddrp->spp_address; 2378 #endif 2379 if (stcb != NULL) { 2380 net = sctp_findnet(stcb, addr); 2381 } else { 2382 /* 2383 * We increment here since 2384 * sctp_findassociation_ep_addr() wil do a 2385 * decrement if it finds the stcb as long as 2386 * the locked tcb (last argument) is NOT a 2387 * TCB.. aka NULL. 2388 */ 2389 net = NULL; 2390 SCTP_INP_INCR_REF(inp); 2391 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2392 if (stcb == NULL) { 2393 SCTP_INP_DECR_REF(inp); 2394 } 2395 } 2396 if ((stcb != NULL) && (net == NULL)) { 2397 #ifdef INET 2398 if (addr->sa_family == AF_INET) { 2399 struct sockaddr_in *sin; 2400 2401 sin = (struct sockaddr_in *)addr; 2402 if (sin->sin_addr.s_addr != INADDR_ANY) { 2403 error = EINVAL; 2404 SCTP_TCB_UNLOCK(stcb); 2405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2406 break; 2407 } 2408 } else 2409 #endif 2410 #ifdef INET6 2411 if (addr->sa_family == AF_INET6) { 2412 struct sockaddr_in6 *sin6; 2413 2414 sin6 = (struct sockaddr_in6 *)addr; 2415 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2416 error = EINVAL; 2417 SCTP_TCB_UNLOCK(stcb); 2418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2419 break; 2420 } 2421 } else 2422 #endif 2423 { 2424 error = EAFNOSUPPORT; 2425 SCTP_TCB_UNLOCK(stcb); 2426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2427 break; 2428 } 2429 } 2430 if (stcb != NULL) { 2431 /* Applies to the specific association */ 2432 paddrp->spp_flags = 0; 2433 if (net != NULL) { 2434 paddrp->spp_hbinterval = net->heart_beat_delay; 2435 paddrp->spp_pathmaxrxt = net->failure_threshold; 2436 paddrp->spp_pathmtu = net->mtu; 2437 switch (net->ro._l_addr.sa.sa_family) { 2438 #ifdef INET 2439 case AF_INET: 2440 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2441 break; 2442 #endif 2443 #ifdef INET6 2444 case AF_INET6: 2445 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2446 break; 2447 #endif 2448 default: 2449 break; 2450 } 2451 /* get flags for HB */ 2452 if (net->dest_state & SCTP_ADDR_NOHB) { 2453 paddrp->spp_flags |= SPP_HB_DISABLE; 2454 } else { 2455 paddrp->spp_flags |= SPP_HB_ENABLE; 2456 } 2457 /* get flags for PMTU */ 2458 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2459 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2460 } else { 2461 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2462 } 2463 if (net->dscp & 0x01) { 2464 paddrp->spp_dscp = net->dscp & 0xfc; 2465 paddrp->spp_flags |= SPP_DSCP; 2466 } 2467 #ifdef INET6 2468 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2469 (net->flowlabel & 0x80000000)) { 2470 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2471 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2472 } 2473 #endif 2474 } else { 2475 /* 2476 * No destination so return default 2477 * value 2478 */ 2479 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2480 paddrp->spp_pathmtu = 0; 2481 if (stcb->asoc.default_dscp & 0x01) { 2482 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2483 paddrp->spp_flags |= SPP_DSCP; 2484 } 2485 #ifdef INET6 2486 if (stcb->asoc.default_flowlabel & 0x80000000) { 2487 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2488 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2489 } 2490 #endif 2491 /* default settings should be these */ 2492 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_DISABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_ENABLE; 2496 } 2497 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2501 } 2502 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2503 } 2504 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2505 SCTP_TCB_UNLOCK(stcb); 2506 } else { 2507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2509 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2510 /* Use endpoint defaults */ 2511 SCTP_INP_RLOCK(inp); 2512 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2513 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2514 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2515 /* get inp's default */ 2516 if (inp->sctp_ep.default_dscp & 0x01) { 2517 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2518 paddrp->spp_flags |= SPP_DSCP; 2519 } 2520 #ifdef INET6 2521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2522 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2523 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2524 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2525 } 2526 #endif 2527 /* can't return this */ 2528 paddrp->spp_pathmtu = 0; 2529 2530 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2531 paddrp->spp_flags |= SPP_HB_ENABLE; 2532 } else { 2533 paddrp->spp_flags |= SPP_HB_DISABLE; 2534 } 2535 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2536 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2537 } else { 2538 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2539 } 2540 SCTP_INP_RUNLOCK(inp); 2541 } else { 2542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2543 error = EINVAL; 2544 } 2545 } 2546 if (error == 0) { 2547 *optsize = sizeof(struct sctp_paddrparams); 2548 } 2549 break; 2550 } 2551 case SCTP_GET_PEER_ADDR_INFO: 2552 { 2553 struct sctp_paddrinfo *paddri; 2554 struct sctp_nets *net; 2555 struct sockaddr *addr; 2556 2557 #if defined(INET) && defined(INET6) 2558 struct sockaddr_in sin_store; 2559 2560 #endif 2561 2562 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2563 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2564 2565 #if defined(INET) && defined(INET6) 2566 if (paddri->spinfo_address.ss_family == AF_INET6) { 2567 struct sockaddr_in6 *sin6; 2568 2569 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2570 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2571 in6_sin6_2_sin(&sin_store, sin6); 2572 addr = (struct sockaddr *)&sin_store; 2573 } else { 2574 addr = (struct sockaddr *)&paddri->spinfo_address; 2575 } 2576 } else { 2577 addr = (struct sockaddr *)&paddri->spinfo_address; 2578 } 2579 #else 2580 addr = (struct sockaddr *)&paddri->spinfo_address; 2581 #endif 2582 if (stcb != NULL) { 2583 net = sctp_findnet(stcb, addr); 2584 } else { 2585 /* 2586 * We increment here since 2587 * sctp_findassociation_ep_addr() wil do a 2588 * decrement if it finds the stcb as long as 2589 * the locked tcb (last argument) is NOT a 2590 * TCB.. aka NULL. 2591 */ 2592 net = NULL; 2593 SCTP_INP_INCR_REF(inp); 2594 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2595 if (stcb == NULL) { 2596 SCTP_INP_DECR_REF(inp); 2597 } 2598 } 2599 2600 if ((stcb != NULL) && (net != NULL)) { 2601 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2602 /* It's unconfirmed */ 2603 paddri->spinfo_state = SCTP_UNCONFIRMED; 2604 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2605 /* It's active */ 2606 paddri->spinfo_state = SCTP_ACTIVE; 2607 } else { 2608 /* It's inactive */ 2609 paddri->spinfo_state = SCTP_INACTIVE; 2610 } 2611 paddri->spinfo_cwnd = net->cwnd; 2612 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2613 paddri->spinfo_rto = net->RTO; 2614 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2615 paddri->spinfo_mtu = net->mtu; 2616 switch (addr->sa_family) { 2617 #if defined(INET) 2618 case AF_INET: 2619 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2620 break; 2621 #endif 2622 #if defined(INET6) 2623 case AF_INET6: 2624 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2625 break; 2626 #endif 2627 default: 2628 break; 2629 } 2630 SCTP_TCB_UNLOCK(stcb); 2631 *optsize = sizeof(struct sctp_paddrinfo); 2632 } else { 2633 if (stcb != NULL) { 2634 SCTP_TCB_UNLOCK(stcb); 2635 } 2636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2637 error = ENOENT; 2638 } 2639 break; 2640 } 2641 case SCTP_PCB_STATUS: 2642 { 2643 struct sctp_pcbinfo *spcb; 2644 2645 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2646 sctp_fill_pcbinfo(spcb); 2647 *optsize = sizeof(struct sctp_pcbinfo); 2648 break; 2649 } 2650 case SCTP_STATUS: 2651 { 2652 struct sctp_nets *net; 2653 struct sctp_status *sstat; 2654 2655 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2656 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2657 2658 if (stcb == NULL) { 2659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2660 error = EINVAL; 2661 break; 2662 } 2663 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2664 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2665 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2666 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2667 /* 2668 * We can't include chunks that have been passed to 2669 * the socket layer. Only things in queue. 2670 */ 2671 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2672 stcb->asoc.cnt_on_all_streams); 2673 2674 2675 sstat->sstat_instrms = stcb->asoc.streamincnt; 2676 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2677 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2678 memcpy(&sstat->sstat_primary.spinfo_address, 2679 &stcb->asoc.primary_destination->ro._l_addr, 2680 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2681 net = stcb->asoc.primary_destination; 2682 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2683 /* 2684 * Again the user can get info from sctp_constants.h 2685 * for what the state of the network is. 2686 */ 2687 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2688 /* It's unconfirmed */ 2689 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2690 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2691 /* It's active */ 2692 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2693 } else { 2694 /* It's inactive */ 2695 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2696 } 2697 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2698 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2699 sstat->sstat_primary.spinfo_rto = net->RTO; 2700 sstat->sstat_primary.spinfo_mtu = net->mtu; 2701 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2702 #if defined(INET) 2703 case AF_INET: 2704 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2705 break; 2706 #endif 2707 #if defined(INET6) 2708 case AF_INET6: 2709 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2710 break; 2711 #endif 2712 default: 2713 break; 2714 } 2715 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2716 SCTP_TCB_UNLOCK(stcb); 2717 *optsize = sizeof(struct sctp_status); 2718 break; 2719 } 2720 case SCTP_RTOINFO: 2721 { 2722 struct sctp_rtoinfo *srto; 2723 2724 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2725 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2726 2727 if (stcb) { 2728 srto->srto_initial = stcb->asoc.initial_rto; 2729 srto->srto_max = stcb->asoc.maxrto; 2730 srto->srto_min = stcb->asoc.minrto; 2731 SCTP_TCB_UNLOCK(stcb); 2732 } else { 2733 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2734 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2735 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2736 SCTP_INP_RLOCK(inp); 2737 srto->srto_initial = inp->sctp_ep.initial_rto; 2738 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2739 srto->srto_min = inp->sctp_ep.sctp_minrto; 2740 SCTP_INP_RUNLOCK(inp); 2741 } else { 2742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2743 error = EINVAL; 2744 } 2745 } 2746 if (error == 0) { 2747 *optsize = sizeof(struct sctp_rtoinfo); 2748 } 2749 break; 2750 } 2751 case SCTP_TIMEOUTS: 2752 { 2753 struct sctp_timeouts *stimo; 2754 2755 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2756 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2757 2758 if (stcb) { 2759 stimo->stimo_init = stcb->asoc.timoinit; 2760 stimo->stimo_data = stcb->asoc.timodata; 2761 stimo->stimo_sack = stcb->asoc.timosack; 2762 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2763 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2764 stimo->stimo_cookie = stcb->asoc.timocookie; 2765 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2766 SCTP_TCB_UNLOCK(stcb); 2767 *optsize = sizeof(struct sctp_timeouts); 2768 } else { 2769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2770 error = EINVAL; 2771 } 2772 break; 2773 } 2774 case SCTP_ASSOCINFO: 2775 { 2776 struct sctp_assocparams *sasoc; 2777 2778 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2779 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2780 2781 if (stcb) { 2782 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2783 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2784 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2785 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2786 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2787 SCTP_TCB_UNLOCK(stcb); 2788 } else { 2789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2791 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2792 SCTP_INP_RLOCK(inp); 2793 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2794 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2795 sasoc->sasoc_number_peer_destinations = 0; 2796 sasoc->sasoc_peer_rwnd = 0; 2797 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2798 SCTP_INP_RUNLOCK(inp); 2799 } else { 2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2801 error = EINVAL; 2802 } 2803 } 2804 if (error == 0) { 2805 *optsize = sizeof(struct sctp_assocparams); 2806 } 2807 break; 2808 } 2809 case SCTP_DEFAULT_SEND_PARAM: 2810 { 2811 struct sctp_sndrcvinfo *s_info; 2812 2813 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2814 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2815 2816 if (stcb) { 2817 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2818 SCTP_TCB_UNLOCK(stcb); 2819 } else { 2820 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2821 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2822 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2823 SCTP_INP_RLOCK(inp); 2824 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2825 SCTP_INP_RUNLOCK(inp); 2826 } else { 2827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2828 error = EINVAL; 2829 } 2830 } 2831 if (error == 0) { 2832 *optsize = sizeof(struct sctp_sndrcvinfo); 2833 } 2834 break; 2835 } 2836 case SCTP_INITMSG: 2837 { 2838 struct sctp_initmsg *sinit; 2839 2840 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2841 SCTP_INP_RLOCK(inp); 2842 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2843 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2844 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2845 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2846 SCTP_INP_RUNLOCK(inp); 2847 *optsize = sizeof(struct sctp_initmsg); 2848 break; 2849 } 2850 case SCTP_PRIMARY_ADDR: 2851 /* we allow a "get" operation on this */ 2852 { 2853 struct sctp_setprim *ssp; 2854 2855 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2856 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2857 2858 if (stcb) { 2859 union sctp_sockstore *addr; 2860 2861 addr = &stcb->asoc.primary_destination->ro._l_addr; 2862 switch (addr->sa.sa_family) { 2863 #ifdef INET 2864 case AF_INET: 2865 #ifdef INET6 2866 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2867 in6_sin_2_v4mapsin6(&addr->sin, 2868 (struct sockaddr_in6 *)&ssp->ssp_addr); 2869 } else { 2870 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2871 } 2872 #else 2873 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2874 #endif 2875 break; 2876 #endif 2877 #ifdef INET6 2878 case AF_INET6: 2879 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2880 break; 2881 #endif 2882 default: 2883 break; 2884 } 2885 SCTP_TCB_UNLOCK(stcb); 2886 *optsize = sizeof(struct sctp_setprim); 2887 } else { 2888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2889 error = EINVAL; 2890 } 2891 break; 2892 } 2893 case SCTP_HMAC_IDENT: 2894 { 2895 struct sctp_hmacalgo *shmac; 2896 sctp_hmaclist_t *hmaclist; 2897 uint32_t size; 2898 int i; 2899 2900 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2901 2902 SCTP_INP_RLOCK(inp); 2903 hmaclist = inp->sctp_ep.local_hmacs; 2904 if (hmaclist == NULL) { 2905 /* no HMACs to return */ 2906 *optsize = sizeof(*shmac); 2907 SCTP_INP_RUNLOCK(inp); 2908 break; 2909 } 2910 /* is there room for all of the hmac ids? */ 2911 size = sizeof(*shmac) + (hmaclist->num_algo * 2912 sizeof(shmac->shmac_idents[0])); 2913 if ((size_t)(*optsize) < size) { 2914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2915 error = EINVAL; 2916 SCTP_INP_RUNLOCK(inp); 2917 break; 2918 } 2919 /* copy in the list */ 2920 shmac->shmac_number_of_idents = hmaclist->num_algo; 2921 for (i = 0; i < hmaclist->num_algo; i++) { 2922 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2923 } 2924 SCTP_INP_RUNLOCK(inp); 2925 *optsize = size; 2926 break; 2927 } 2928 case SCTP_AUTH_ACTIVE_KEY: 2929 { 2930 struct sctp_authkeyid *scact; 2931 2932 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2933 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2934 2935 if (stcb) { 2936 /* get the active key on the assoc */ 2937 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2938 SCTP_TCB_UNLOCK(stcb); 2939 } else { 2940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2941 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2942 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2943 /* get the endpoint active key */ 2944 SCTP_INP_RLOCK(inp); 2945 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2946 SCTP_INP_RUNLOCK(inp); 2947 } else { 2948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2949 error = EINVAL; 2950 } 2951 } 2952 if (error == 0) { 2953 *optsize = sizeof(struct sctp_authkeyid); 2954 } 2955 break; 2956 } 2957 case SCTP_LOCAL_AUTH_CHUNKS: 2958 { 2959 struct sctp_authchunks *sac; 2960 sctp_auth_chklist_t *chklist = NULL; 2961 size_t size = 0; 2962 2963 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2964 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2965 2966 if (stcb) { 2967 /* get off the assoc */ 2968 chklist = stcb->asoc.local_auth_chunks; 2969 /* is there enough space? */ 2970 size = sctp_auth_get_chklist_size(chklist); 2971 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2972 error = EINVAL; 2973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2974 } else { 2975 /* copy in the chunks */ 2976 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2977 sac->gauth_number_of_chunks = (uint32_t) size; 2978 *optsize = sizeof(struct sctp_authchunks) + size; 2979 } 2980 SCTP_TCB_UNLOCK(stcb); 2981 } else { 2982 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2983 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2984 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2985 /* get off the endpoint */ 2986 SCTP_INP_RLOCK(inp); 2987 chklist = inp->sctp_ep.local_auth_chunks; 2988 /* is there enough space? */ 2989 size = sctp_auth_get_chklist_size(chklist); 2990 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2991 error = EINVAL; 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2993 } else { 2994 /* copy in the chunks */ 2995 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2996 sac->gauth_number_of_chunks = (uint32_t) size; 2997 *optsize = sizeof(struct sctp_authchunks) + size; 2998 } 2999 SCTP_INP_RUNLOCK(inp); 3000 } else { 3001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3002 error = EINVAL; 3003 } 3004 } 3005 break; 3006 } 3007 case SCTP_PEER_AUTH_CHUNKS: 3008 { 3009 struct sctp_authchunks *sac; 3010 sctp_auth_chklist_t *chklist = NULL; 3011 size_t size = 0; 3012 3013 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3014 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3015 3016 if (stcb) { 3017 /* get off the assoc */ 3018 chklist = stcb->asoc.peer_auth_chunks; 3019 /* is there enough space? */ 3020 size = sctp_auth_get_chklist_size(chklist); 3021 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3022 error = EINVAL; 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3024 } else { 3025 /* copy in the chunks */ 3026 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3027 sac->gauth_number_of_chunks = (uint32_t) size; 3028 *optsize = sizeof(struct sctp_authchunks) + size; 3029 } 3030 SCTP_TCB_UNLOCK(stcb); 3031 } else { 3032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3033 error = ENOENT; 3034 } 3035 break; 3036 } 3037 case SCTP_EVENT: 3038 { 3039 struct sctp_event *event; 3040 uint32_t event_type; 3041 3042 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3043 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3044 3045 switch (event->se_type) { 3046 case SCTP_ASSOC_CHANGE: 3047 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3048 break; 3049 case SCTP_PEER_ADDR_CHANGE: 3050 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3051 break; 3052 case SCTP_REMOTE_ERROR: 3053 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3054 break; 3055 case SCTP_SEND_FAILED: 3056 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3057 break; 3058 case SCTP_SHUTDOWN_EVENT: 3059 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3060 break; 3061 case SCTP_ADAPTATION_INDICATION: 3062 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3063 break; 3064 case SCTP_PARTIAL_DELIVERY_EVENT: 3065 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3066 break; 3067 case SCTP_AUTHENTICATION_EVENT: 3068 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3069 break; 3070 case SCTP_STREAM_RESET_EVENT: 3071 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3072 break; 3073 case SCTP_SENDER_DRY_EVENT: 3074 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3075 break; 3076 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3077 event_type = 0; 3078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3079 error = ENOTSUP; 3080 break; 3081 case SCTP_ASSOC_RESET_EVENT: 3082 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3083 break; 3084 case SCTP_STREAM_CHANGE_EVENT: 3085 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3086 break; 3087 case SCTP_SEND_FAILED_EVENT: 3088 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3089 break; 3090 default: 3091 event_type = 0; 3092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3093 error = EINVAL; 3094 break; 3095 } 3096 if (event_type > 0) { 3097 if (stcb) { 3098 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3099 SCTP_TCB_UNLOCK(stcb); 3100 } else { 3101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3103 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3104 SCTP_INP_RLOCK(inp); 3105 event->se_on = sctp_is_feature_on(inp, event_type); 3106 SCTP_INP_RUNLOCK(inp); 3107 } else { 3108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3109 error = EINVAL; 3110 } 3111 } 3112 } 3113 if (error == 0) { 3114 *optsize = sizeof(struct sctp_event); 3115 } 3116 break; 3117 } 3118 case SCTP_RECVRCVINFO: 3119 { 3120 int onoff; 3121 3122 if (*optsize < sizeof(int)) { 3123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3124 error = EINVAL; 3125 } else { 3126 SCTP_INP_RLOCK(inp); 3127 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3128 SCTP_INP_RUNLOCK(inp); 3129 } 3130 if (error == 0) { 3131 /* return the option value */ 3132 *(int *)optval = onoff; 3133 *optsize = sizeof(int); 3134 } 3135 break; 3136 } 3137 case SCTP_RECVNXTINFO: 3138 { 3139 int onoff; 3140 3141 if (*optsize < sizeof(int)) { 3142 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3143 error = EINVAL; 3144 } else { 3145 SCTP_INP_RLOCK(inp); 3146 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3147 SCTP_INP_RUNLOCK(inp); 3148 } 3149 if (error == 0) { 3150 /* return the option value */ 3151 *(int *)optval = onoff; 3152 *optsize = sizeof(int); 3153 } 3154 break; 3155 } 3156 case SCTP_DEFAULT_SNDINFO: 3157 { 3158 struct sctp_sndinfo *info; 3159 3160 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3161 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3162 3163 if (stcb) { 3164 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3165 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3166 info->snd_flags &= 0xfff0; 3167 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3168 info->snd_context = stcb->asoc.def_send.sinfo_context; 3169 SCTP_TCB_UNLOCK(stcb); 3170 } else { 3171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3173 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3174 SCTP_INP_RLOCK(inp); 3175 info->snd_sid = inp->def_send.sinfo_stream; 3176 info->snd_flags = inp->def_send.sinfo_flags; 3177 info->snd_flags &= 0xfff0; 3178 info->snd_ppid = inp->def_send.sinfo_ppid; 3179 info->snd_context = inp->def_send.sinfo_context; 3180 SCTP_INP_RUNLOCK(inp); 3181 } else { 3182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3183 error = EINVAL; 3184 } 3185 } 3186 if (error == 0) { 3187 *optsize = sizeof(struct sctp_sndinfo); 3188 } 3189 break; 3190 } 3191 case SCTP_DEFAULT_PRINFO: 3192 { 3193 struct sctp_default_prinfo *info; 3194 3195 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3196 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3197 3198 if (stcb) { 3199 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3200 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3201 SCTP_TCB_UNLOCK(stcb); 3202 } else { 3203 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3204 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3205 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3206 SCTP_INP_RLOCK(inp); 3207 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3208 info->pr_value = inp->def_send.sinfo_timetolive; 3209 SCTP_INP_RUNLOCK(inp); 3210 } else { 3211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3212 error = EINVAL; 3213 } 3214 } 3215 if (error == 0) { 3216 *optsize = sizeof(struct sctp_default_prinfo); 3217 } 3218 break; 3219 } 3220 case SCTP_PEER_ADDR_THLDS: 3221 { 3222 struct sctp_paddrthlds *thlds; 3223 struct sctp_nets *net; 3224 struct sockaddr *addr; 3225 3226 #if defined(INET) && defined(INET6) 3227 struct sockaddr_in sin_store; 3228 3229 #endif 3230 3231 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3232 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3233 3234 #if defined(INET) && defined(INET6) 3235 if (thlds->spt_address.ss_family == AF_INET6) { 3236 struct sockaddr_in6 *sin6; 3237 3238 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3239 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3240 in6_sin6_2_sin(&sin_store, sin6); 3241 addr = (struct sockaddr *)&sin_store; 3242 } else { 3243 addr = (struct sockaddr *)&thlds->spt_address; 3244 } 3245 } else { 3246 addr = (struct sockaddr *)&thlds->spt_address; 3247 } 3248 #else 3249 addr = (struct sockaddr *)&thlds->spt_address; 3250 #endif 3251 if (stcb != NULL) { 3252 net = sctp_findnet(stcb, addr); 3253 } else { 3254 /* 3255 * We increment here since 3256 * sctp_findassociation_ep_addr() wil do a 3257 * decrement if it finds the stcb as long as 3258 * the locked tcb (last argument) is NOT a 3259 * TCB.. aka NULL. 3260 */ 3261 net = NULL; 3262 SCTP_INP_INCR_REF(inp); 3263 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3264 if (stcb == NULL) { 3265 SCTP_INP_DECR_REF(inp); 3266 } 3267 } 3268 if ((stcb != NULL) && (net == NULL)) { 3269 #ifdef INET 3270 if (addr->sa_family == AF_INET) { 3271 struct sockaddr_in *sin; 3272 3273 sin = (struct sockaddr_in *)addr; 3274 if (sin->sin_addr.s_addr != INADDR_ANY) { 3275 error = EINVAL; 3276 SCTP_TCB_UNLOCK(stcb); 3277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3278 break; 3279 } 3280 } else 3281 #endif 3282 #ifdef INET6 3283 if (addr->sa_family == AF_INET6) { 3284 struct sockaddr_in6 *sin6; 3285 3286 sin6 = (struct sockaddr_in6 *)addr; 3287 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3288 error = EINVAL; 3289 SCTP_TCB_UNLOCK(stcb); 3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3291 break; 3292 } 3293 } else 3294 #endif 3295 { 3296 error = EAFNOSUPPORT; 3297 SCTP_TCB_UNLOCK(stcb); 3298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3299 break; 3300 } 3301 } 3302 if (stcb != NULL) { 3303 if (net != NULL) { 3304 thlds->spt_pathmaxrxt = net->failure_threshold; 3305 thlds->spt_pathpfthld = net->pf_threshold; 3306 } else { 3307 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3308 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3309 } 3310 thlds->spt_assoc_id = sctp_get_associd(stcb); 3311 SCTP_TCB_UNLOCK(stcb); 3312 } else { 3313 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3314 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3315 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3316 /* Use endpoint defaults */ 3317 SCTP_INP_RLOCK(inp); 3318 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3319 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3320 SCTP_INP_RUNLOCK(inp); 3321 } else { 3322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3323 error = EINVAL; 3324 } 3325 } 3326 if (error == 0) { 3327 *optsize = sizeof(struct sctp_paddrthlds); 3328 } 3329 break; 3330 } 3331 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3332 { 3333 struct sctp_udpencaps *encaps; 3334 struct sctp_nets *net; 3335 struct sockaddr *addr; 3336 3337 #if defined(INET) && defined(INET6) 3338 struct sockaddr_in sin_store; 3339 3340 #endif 3341 3342 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3343 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3344 3345 #if defined(INET) && defined(INET6) 3346 if (encaps->sue_address.ss_family == AF_INET6) { 3347 struct sockaddr_in6 *sin6; 3348 3349 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3350 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3351 in6_sin6_2_sin(&sin_store, sin6); 3352 addr = (struct sockaddr *)&sin_store; 3353 } else { 3354 addr = (struct sockaddr *)&encaps->sue_address; 3355 } 3356 } else { 3357 addr = (struct sockaddr *)&encaps->sue_address; 3358 } 3359 #else 3360 addr = (struct sockaddr *)&encaps->sue_address; 3361 #endif 3362 if (stcb) { 3363 net = sctp_findnet(stcb, addr); 3364 } else { 3365 /* 3366 * We increment here since 3367 * sctp_findassociation_ep_addr() wil do a 3368 * decrement if it finds the stcb as long as 3369 * the locked tcb (last argument) is NOT a 3370 * TCB.. aka NULL. 3371 */ 3372 net = NULL; 3373 SCTP_INP_INCR_REF(inp); 3374 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3375 if (stcb == NULL) { 3376 SCTP_INP_DECR_REF(inp); 3377 } 3378 } 3379 if ((stcb != NULL) && (net == NULL)) { 3380 #ifdef INET 3381 if (addr->sa_family == AF_INET) { 3382 struct sockaddr_in *sin; 3383 3384 sin = (struct sockaddr_in *)addr; 3385 if (sin->sin_addr.s_addr != INADDR_ANY) { 3386 error = EINVAL; 3387 SCTP_TCB_UNLOCK(stcb); 3388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3389 break; 3390 } 3391 } else 3392 #endif 3393 #ifdef INET6 3394 if (addr->sa_family == AF_INET6) { 3395 struct sockaddr_in6 *sin6; 3396 3397 sin6 = (struct sockaddr_in6 *)addr; 3398 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3399 error = EINVAL; 3400 SCTP_TCB_UNLOCK(stcb); 3401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3402 break; 3403 } 3404 } else 3405 #endif 3406 { 3407 error = EAFNOSUPPORT; 3408 SCTP_TCB_UNLOCK(stcb); 3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3410 break; 3411 } 3412 } 3413 if (stcb != NULL) { 3414 if (net) { 3415 encaps->sue_port = net->port; 3416 } else { 3417 encaps->sue_port = stcb->asoc.port; 3418 } 3419 SCTP_TCB_UNLOCK(stcb); 3420 } else { 3421 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3422 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3423 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3424 SCTP_INP_RLOCK(inp); 3425 encaps->sue_port = inp->sctp_ep.port; 3426 SCTP_INP_RUNLOCK(inp); 3427 } else { 3428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3429 error = EINVAL; 3430 } 3431 } 3432 if (error == 0) { 3433 *optsize = sizeof(struct sctp_udpencaps); 3434 } 3435 break; 3436 } 3437 case SCTP_ECN_SUPPORTED: 3438 { 3439 struct sctp_assoc_value *av; 3440 3441 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3442 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3443 3444 if (stcb) { 3445 av->assoc_value = stcb->asoc.ecn_supported; 3446 SCTP_TCB_UNLOCK(stcb); 3447 } else { 3448 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3449 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3450 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3451 SCTP_INP_RLOCK(inp); 3452 av->assoc_value = inp->ecn_supported; 3453 SCTP_INP_RUNLOCK(inp); 3454 } else { 3455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3456 error = EINVAL; 3457 } 3458 } 3459 if (error == 0) { 3460 *optsize = sizeof(struct sctp_assoc_value); 3461 } 3462 break; 3463 } 3464 case SCTP_PR_SUPPORTED: 3465 { 3466 struct sctp_assoc_value *av; 3467 3468 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3469 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3470 3471 if (stcb) { 3472 av->assoc_value = stcb->asoc.prsctp_supported; 3473 SCTP_TCB_UNLOCK(stcb); 3474 } else { 3475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3476 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3477 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3478 SCTP_INP_RLOCK(inp); 3479 av->assoc_value = inp->prsctp_supported; 3480 SCTP_INP_RUNLOCK(inp); 3481 } else { 3482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3483 error = EINVAL; 3484 } 3485 } 3486 if (error == 0) { 3487 *optsize = sizeof(struct sctp_assoc_value); 3488 } 3489 break; 3490 } 3491 case SCTP_AUTH_SUPPORTED: 3492 { 3493 struct sctp_assoc_value *av; 3494 3495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3496 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3497 3498 if (stcb) { 3499 av->assoc_value = stcb->asoc.auth_supported; 3500 SCTP_TCB_UNLOCK(stcb); 3501 } else { 3502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3503 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3504 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3505 SCTP_INP_RLOCK(inp); 3506 av->assoc_value = inp->auth_supported; 3507 SCTP_INP_RUNLOCK(inp); 3508 } else { 3509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3510 error = EINVAL; 3511 } 3512 } 3513 if (error == 0) { 3514 *optsize = sizeof(struct sctp_assoc_value); 3515 } 3516 break; 3517 } 3518 case SCTP_ASCONF_SUPPORTED: 3519 { 3520 struct sctp_assoc_value *av; 3521 3522 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3523 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3524 3525 if (stcb) { 3526 av->assoc_value = stcb->asoc.asconf_supported; 3527 SCTP_TCB_UNLOCK(stcb); 3528 } else { 3529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3531 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3532 SCTP_INP_RLOCK(inp); 3533 av->assoc_value = inp->asconf_supported; 3534 SCTP_INP_RUNLOCK(inp); 3535 } else { 3536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3537 error = EINVAL; 3538 } 3539 } 3540 if (error == 0) { 3541 *optsize = sizeof(struct sctp_assoc_value); 3542 } 3543 break; 3544 } 3545 case SCTP_RECONFIG_SUPPORTED: 3546 { 3547 struct sctp_assoc_value *av; 3548 3549 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3550 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3551 3552 if (stcb) { 3553 av->assoc_value = stcb->asoc.reconfig_supported; 3554 SCTP_TCB_UNLOCK(stcb); 3555 } else { 3556 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3557 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3558 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3559 SCTP_INP_RLOCK(inp); 3560 av->assoc_value = inp->reconfig_supported; 3561 SCTP_INP_RUNLOCK(inp); 3562 } else { 3563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3564 error = EINVAL; 3565 } 3566 } 3567 if (error == 0) { 3568 *optsize = sizeof(struct sctp_assoc_value); 3569 } 3570 break; 3571 } 3572 case SCTP_NRSACK_SUPPORTED: 3573 { 3574 struct sctp_assoc_value *av; 3575 3576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3578 3579 if (stcb) { 3580 av->assoc_value = stcb->asoc.nrsack_supported; 3581 SCTP_TCB_UNLOCK(stcb); 3582 } else { 3583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3585 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3586 SCTP_INP_RLOCK(inp); 3587 av->assoc_value = inp->nrsack_supported; 3588 SCTP_INP_RUNLOCK(inp); 3589 } else { 3590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3591 error = EINVAL; 3592 } 3593 } 3594 if (error == 0) { 3595 *optsize = sizeof(struct sctp_assoc_value); 3596 } 3597 break; 3598 } 3599 case SCTP_PKTDROP_SUPPORTED: 3600 { 3601 struct sctp_assoc_value *av; 3602 3603 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3604 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3605 3606 if (stcb) { 3607 av->assoc_value = stcb->asoc.pktdrop_supported; 3608 SCTP_TCB_UNLOCK(stcb); 3609 } else { 3610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3612 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3613 SCTP_INP_RLOCK(inp); 3614 av->assoc_value = inp->pktdrop_supported; 3615 SCTP_INP_RUNLOCK(inp); 3616 } else { 3617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3618 error = EINVAL; 3619 } 3620 } 3621 if (error == 0) { 3622 *optsize = sizeof(struct sctp_assoc_value); 3623 } 3624 break; 3625 } 3626 case SCTP_ENABLE_STREAM_RESET: 3627 { 3628 struct sctp_assoc_value *av; 3629 3630 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3631 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3632 3633 if (stcb) { 3634 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3635 SCTP_TCB_UNLOCK(stcb); 3636 } else { 3637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3638 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3639 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3640 SCTP_INP_RLOCK(inp); 3641 av->assoc_value = (uint32_t) inp->local_strreset_support; 3642 SCTP_INP_RUNLOCK(inp); 3643 } else { 3644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3645 error = EINVAL; 3646 } 3647 } 3648 if (error == 0) { 3649 *optsize = sizeof(struct sctp_assoc_value); 3650 } 3651 break; 3652 } 3653 case SCTP_PR_STREAM_STATUS: 3654 { 3655 struct sctp_prstatus *sprstat; 3656 uint16_t sid; 3657 uint16_t policy; 3658 3659 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3660 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3661 3662 sid = sprstat->sprstat_sid; 3663 policy = sprstat->sprstat_policy; 3664 #if defined(SCTP_DETAILED_STR_STATS) 3665 if ((stcb != NULL) && 3666 (sid < stcb->asoc.streamoutcnt) && 3667 (policy != SCTP_PR_SCTP_NONE) && 3668 ((policy <= SCTP_PR_SCTP_MAX) || 3669 (policy == SCTP_PR_SCTP_ALL))) { 3670 if (policy == SCTP_PR_SCTP_ALL) { 3671 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3672 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3673 } else { 3674 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3675 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3676 } 3677 #else 3678 if ((stcb != NULL) && 3679 (sid < stcb->asoc.streamoutcnt) && 3680 (policy == SCTP_PR_SCTP_ALL)) { 3681 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3682 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3683 #endif 3684 SCTP_TCB_UNLOCK(stcb); 3685 *optsize = sizeof(struct sctp_prstatus); 3686 } else { 3687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3688 error = EINVAL; 3689 } 3690 break; 3691 } 3692 case SCTP_PR_ASSOC_STATUS: 3693 { 3694 struct sctp_prstatus *sprstat; 3695 uint16_t policy; 3696 3697 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3698 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3699 3700 policy = sprstat->sprstat_policy; 3701 if ((stcb != NULL) && 3702 (policy != SCTP_PR_SCTP_NONE) && 3703 ((policy <= SCTP_PR_SCTP_MAX) || 3704 (policy == SCTP_PR_SCTP_ALL))) { 3705 if (policy == SCTP_PR_SCTP_ALL) { 3706 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3707 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3708 } else { 3709 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3710 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3711 } 3712 SCTP_TCB_UNLOCK(stcb); 3713 *optsize = sizeof(struct sctp_prstatus); 3714 } else { 3715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3716 error = EINVAL; 3717 } 3718 break; 3719 } 3720 case SCTP_MAX_CWND: 3721 { 3722 struct sctp_assoc_value *av; 3723 3724 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3725 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3726 3727 if (stcb) { 3728 av->assoc_value = stcb->asoc.max_cwnd; 3729 SCTP_TCB_UNLOCK(stcb); 3730 } else { 3731 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3732 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3733 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3734 SCTP_INP_RLOCK(inp); 3735 av->assoc_value = inp->max_cwnd; 3736 SCTP_INP_RUNLOCK(inp); 3737 } else { 3738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3739 error = EINVAL; 3740 } 3741 } 3742 if (error == 0) { 3743 *optsize = sizeof(struct sctp_assoc_value); 3744 } 3745 break; 3746 } 3747 default: 3748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3749 error = ENOPROTOOPT; 3750 break; 3751 } /* end switch (sopt->sopt_name) */ 3752 if (error) { 3753 *optsize = 0; 3754 } 3755 return (error); 3756 } 3757 3758 static int 3759 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3760 void *p) 3761 { 3762 int error, set_opt; 3763 uint32_t *mopt; 3764 struct sctp_tcb *stcb = NULL; 3765 struct sctp_inpcb *inp = NULL; 3766 uint32_t vrf_id; 3767 3768 if (optval == NULL) { 3769 SCTP_PRINTF("optval is NULL\n"); 3770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3771 return (EINVAL); 3772 } 3773 inp = (struct sctp_inpcb *)so->so_pcb; 3774 if (inp == NULL) { 3775 SCTP_PRINTF("inp is NULL?\n"); 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3777 return (EINVAL); 3778 } 3779 vrf_id = inp->def_vrf_id; 3780 3781 error = 0; 3782 switch (optname) { 3783 case SCTP_NODELAY: 3784 case SCTP_AUTOCLOSE: 3785 case SCTP_AUTO_ASCONF: 3786 case SCTP_EXPLICIT_EOR: 3787 case SCTP_DISABLE_FRAGMENTS: 3788 case SCTP_USE_EXT_RCVINFO: 3789 case SCTP_I_WANT_MAPPED_V4_ADDR: 3790 /* copy in the option value */ 3791 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3792 set_opt = 0; 3793 if (error) 3794 break; 3795 switch (optname) { 3796 case SCTP_DISABLE_FRAGMENTS: 3797 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3798 break; 3799 case SCTP_AUTO_ASCONF: 3800 /* 3801 * NOTE: we don't really support this flag 3802 */ 3803 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3804 /* only valid for bound all sockets */ 3805 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3806 (*mopt != 0)) { 3807 /* forbidden by admin */ 3808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3809 return (EPERM); 3810 } 3811 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3812 } else { 3813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3814 return (EINVAL); 3815 } 3816 break; 3817 case SCTP_EXPLICIT_EOR: 3818 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3819 break; 3820 case SCTP_USE_EXT_RCVINFO: 3821 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3822 break; 3823 case SCTP_I_WANT_MAPPED_V4_ADDR: 3824 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3825 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3826 } else { 3827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3828 return (EINVAL); 3829 } 3830 break; 3831 case SCTP_NODELAY: 3832 set_opt = SCTP_PCB_FLAGS_NODELAY; 3833 break; 3834 case SCTP_AUTOCLOSE: 3835 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3836 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3838 return (EINVAL); 3839 } 3840 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3841 /* 3842 * The value is in ticks. Note this does not effect 3843 * old associations, only new ones. 3844 */ 3845 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3846 break; 3847 } 3848 SCTP_INP_WLOCK(inp); 3849 if (*mopt != 0) { 3850 sctp_feature_on(inp, set_opt); 3851 } else { 3852 sctp_feature_off(inp, set_opt); 3853 } 3854 SCTP_INP_WUNLOCK(inp); 3855 break; 3856 case SCTP_REUSE_PORT: 3857 { 3858 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3859 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3860 /* Can't set it after we are bound */ 3861 error = EINVAL; 3862 break; 3863 } 3864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3865 /* Can't do this for a 1-m socket */ 3866 error = EINVAL; 3867 break; 3868 } 3869 if (optval) 3870 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3871 else 3872 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3873 break; 3874 } 3875 case SCTP_PARTIAL_DELIVERY_POINT: 3876 { 3877 uint32_t *value; 3878 3879 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3880 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3882 error = EINVAL; 3883 break; 3884 } 3885 inp->partial_delivery_point = *value; 3886 break; 3887 } 3888 case SCTP_FRAGMENT_INTERLEAVE: 3889 /* not yet until we re-write sctp_recvmsg() */ 3890 { 3891 uint32_t *level; 3892 3893 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3894 if (*level == SCTP_FRAG_LEVEL_2) { 3895 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3896 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3897 } else if (*level == SCTP_FRAG_LEVEL_1) { 3898 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3899 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3900 } else if (*level == SCTP_FRAG_LEVEL_0) { 3901 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3902 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3903 3904 } else { 3905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3906 error = EINVAL; 3907 } 3908 break; 3909 } 3910 case SCTP_INTERLEAVING_SUPPORTED: 3911 { 3912 struct sctp_assoc_value *av; 3913 3914 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3915 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3916 3917 if (stcb) { 3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3919 error = EINVAL; 3920 SCTP_TCB_UNLOCK(stcb); 3921 } else { 3922 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3923 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3924 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3925 SCTP_INP_WLOCK(inp); 3926 if (av->assoc_value == 0) { 3927 inp->idata_supported = 0; 3928 } else { 3929 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3930 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3931 inp->idata_supported = 1; 3932 } else { 3933 /* 3934 * Must have Frag 3935 * interleave and 3936 * stream interleave 3937 * on 3938 */ 3939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3940 error = EINVAL; 3941 } 3942 } 3943 SCTP_INP_WUNLOCK(inp); 3944 } else { 3945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3946 error = EINVAL; 3947 } 3948 } 3949 break; 3950 } 3951 case SCTP_CMT_ON_OFF: 3952 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3953 struct sctp_assoc_value *av; 3954 3955 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3956 if (av->assoc_value > SCTP_CMT_MAX) { 3957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3958 error = EINVAL; 3959 break; 3960 } 3961 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3962 if (stcb) { 3963 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3964 SCTP_TCB_UNLOCK(stcb); 3965 } else { 3966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3967 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3968 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3969 (av->assoc_id == SCTP_ALL_ASSOC)) { 3970 SCTP_INP_WLOCK(inp); 3971 inp->sctp_cmt_on_off = av->assoc_value; 3972 SCTP_INP_WUNLOCK(inp); 3973 } 3974 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3975 (av->assoc_id == SCTP_ALL_ASSOC)) { 3976 SCTP_INP_RLOCK(inp); 3977 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3978 SCTP_TCB_LOCK(stcb); 3979 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3980 SCTP_TCB_UNLOCK(stcb); 3981 } 3982 SCTP_INP_RUNLOCK(inp); 3983 } 3984 } 3985 } else { 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3987 error = ENOPROTOOPT; 3988 } 3989 break; 3990 case SCTP_PLUGGABLE_CC: 3991 { 3992 struct sctp_assoc_value *av; 3993 struct sctp_nets *net; 3994 3995 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3996 if ((av->assoc_value != SCTP_CC_RFC2581) && 3997 (av->assoc_value != SCTP_CC_HSTCP) && 3998 (av->assoc_value != SCTP_CC_HTCP) && 3999 (av->assoc_value != SCTP_CC_RTCC)) { 4000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4001 error = EINVAL; 4002 break; 4003 } 4004 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4005 if (stcb) { 4006 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4007 stcb->asoc.congestion_control_module = av->assoc_value; 4008 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4009 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4010 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4011 } 4012 } 4013 SCTP_TCB_UNLOCK(stcb); 4014 } else { 4015 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4016 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4017 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4018 (av->assoc_id == SCTP_ALL_ASSOC)) { 4019 SCTP_INP_WLOCK(inp); 4020 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4021 SCTP_INP_WUNLOCK(inp); 4022 } 4023 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4024 (av->assoc_id == SCTP_ALL_ASSOC)) { 4025 SCTP_INP_RLOCK(inp); 4026 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4027 SCTP_TCB_LOCK(stcb); 4028 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4029 stcb->asoc.congestion_control_module = av->assoc_value; 4030 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4031 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4032 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4033 } 4034 } 4035 SCTP_TCB_UNLOCK(stcb); 4036 } 4037 SCTP_INP_RUNLOCK(inp); 4038 } 4039 } 4040 break; 4041 } 4042 case SCTP_CC_OPTION: 4043 { 4044 struct sctp_cc_option *cc_opt; 4045 4046 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4047 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4048 if (stcb == NULL) { 4049 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4050 SCTP_INP_RLOCK(inp); 4051 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4052 SCTP_TCB_LOCK(stcb); 4053 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4054 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4055 } 4056 SCTP_TCB_UNLOCK(stcb); 4057 } 4058 SCTP_INP_RUNLOCK(inp); 4059 } else { 4060 error = EINVAL; 4061 } 4062 } else { 4063 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4064 error = ENOTSUP; 4065 } else { 4066 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4067 cc_opt); 4068 } 4069 SCTP_TCB_UNLOCK(stcb); 4070 } 4071 break; 4072 } 4073 case SCTP_PLUGGABLE_SS: 4074 { 4075 struct sctp_assoc_value *av; 4076 4077 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4078 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4079 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4080 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4081 (av->assoc_value != SCTP_SS_PRIORITY) && 4082 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4083 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4085 error = EINVAL; 4086 break; 4087 } 4088 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4089 if (stcb) { 4090 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4091 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4092 stcb->asoc.stream_scheduling_module = av->assoc_value; 4093 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4094 SCTP_TCB_UNLOCK(stcb); 4095 } else { 4096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4097 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4098 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4099 (av->assoc_id == SCTP_ALL_ASSOC)) { 4100 SCTP_INP_WLOCK(inp); 4101 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4102 SCTP_INP_WUNLOCK(inp); 4103 } 4104 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4105 (av->assoc_id == SCTP_ALL_ASSOC)) { 4106 SCTP_INP_RLOCK(inp); 4107 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4108 SCTP_TCB_LOCK(stcb); 4109 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4110 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4111 stcb->asoc.stream_scheduling_module = av->assoc_value; 4112 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4113 SCTP_TCB_UNLOCK(stcb); 4114 } 4115 SCTP_INP_RUNLOCK(inp); 4116 } 4117 } 4118 break; 4119 } 4120 case SCTP_SS_VALUE: 4121 { 4122 struct sctp_stream_value *av; 4123 4124 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4125 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4126 if (stcb) { 4127 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4128 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4129 av->stream_value) < 0)) { 4130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4131 error = EINVAL; 4132 } 4133 SCTP_TCB_UNLOCK(stcb); 4134 } else { 4135 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4136 SCTP_INP_RLOCK(inp); 4137 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4138 SCTP_TCB_LOCK(stcb); 4139 if (av->stream_id < stcb->asoc.streamoutcnt) { 4140 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4141 &stcb->asoc, 4142 &stcb->asoc.strmout[av->stream_id], 4143 av->stream_value); 4144 } 4145 SCTP_TCB_UNLOCK(stcb); 4146 } 4147 SCTP_INP_RUNLOCK(inp); 4148 } else { 4149 /* 4150 * Can't set stream value without 4151 * association 4152 */ 4153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4154 error = EINVAL; 4155 } 4156 } 4157 break; 4158 } 4159 case SCTP_CLR_STAT_LOG: 4160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4161 error = EOPNOTSUPP; 4162 break; 4163 case SCTP_CONTEXT: 4164 { 4165 struct sctp_assoc_value *av; 4166 4167 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4168 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4169 4170 if (stcb) { 4171 stcb->asoc.context = av->assoc_value; 4172 SCTP_TCB_UNLOCK(stcb); 4173 } else { 4174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4175 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4176 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4177 (av->assoc_id == SCTP_ALL_ASSOC)) { 4178 SCTP_INP_WLOCK(inp); 4179 inp->sctp_context = av->assoc_value; 4180 SCTP_INP_WUNLOCK(inp); 4181 } 4182 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4183 (av->assoc_id == SCTP_ALL_ASSOC)) { 4184 SCTP_INP_RLOCK(inp); 4185 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4186 SCTP_TCB_LOCK(stcb); 4187 stcb->asoc.context = av->assoc_value; 4188 SCTP_TCB_UNLOCK(stcb); 4189 } 4190 SCTP_INP_RUNLOCK(inp); 4191 } 4192 } 4193 break; 4194 } 4195 case SCTP_VRF_ID: 4196 { 4197 uint32_t *default_vrfid; 4198 4199 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4200 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4202 error = EINVAL; 4203 break; 4204 } 4205 inp->def_vrf_id = *default_vrfid; 4206 break; 4207 } 4208 case SCTP_DEL_VRF_ID: 4209 { 4210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4211 error = EOPNOTSUPP; 4212 break; 4213 } 4214 case SCTP_ADD_VRF_ID: 4215 { 4216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4217 error = EOPNOTSUPP; 4218 break; 4219 } 4220 case SCTP_DELAYED_SACK: 4221 { 4222 struct sctp_sack_info *sack; 4223 4224 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4225 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4226 if (sack->sack_delay) { 4227 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4228 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4229 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4230 sack->sack_delay = TICKS_TO_MSEC(1); 4231 } 4232 } 4233 if (stcb) { 4234 if (sack->sack_delay) { 4235 stcb->asoc.delayed_ack = sack->sack_delay; 4236 } 4237 if (sack->sack_freq) { 4238 stcb->asoc.sack_freq = sack->sack_freq; 4239 } 4240 SCTP_TCB_UNLOCK(stcb); 4241 } else { 4242 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4243 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4244 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4245 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4246 SCTP_INP_WLOCK(inp); 4247 if (sack->sack_delay) { 4248 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4249 } 4250 if (sack->sack_freq) { 4251 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4252 } 4253 SCTP_INP_WUNLOCK(inp); 4254 } 4255 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4256 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4257 SCTP_INP_RLOCK(inp); 4258 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4259 SCTP_TCB_LOCK(stcb); 4260 if (sack->sack_delay) { 4261 stcb->asoc.delayed_ack = sack->sack_delay; 4262 } 4263 if (sack->sack_freq) { 4264 stcb->asoc.sack_freq = sack->sack_freq; 4265 } 4266 SCTP_TCB_UNLOCK(stcb); 4267 } 4268 SCTP_INP_RUNLOCK(inp); 4269 } 4270 } 4271 break; 4272 } 4273 case SCTP_AUTH_CHUNK: 4274 { 4275 struct sctp_authchunk *sauth; 4276 4277 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4278 4279 SCTP_INP_WLOCK(inp); 4280 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4282 error = EINVAL; 4283 } 4284 SCTP_INP_WUNLOCK(inp); 4285 break; 4286 } 4287 case SCTP_AUTH_KEY: 4288 { 4289 struct sctp_authkey *sca; 4290 struct sctp_keyhead *shared_keys; 4291 sctp_sharedkey_t *shared_key; 4292 sctp_key_t *key = NULL; 4293 size_t size; 4294 4295 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4296 if (sca->sca_keylength == 0) { 4297 size = optsize - sizeof(struct sctp_authkey); 4298 } else { 4299 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4300 size = sca->sca_keylength; 4301 } else { 4302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4303 error = EINVAL; 4304 break; 4305 } 4306 } 4307 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4308 4309 if (stcb) { 4310 shared_keys = &stcb->asoc.shared_keys; 4311 /* clear the cached keys for this key id */ 4312 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4313 /* 4314 * create the new shared key and 4315 * insert/replace it 4316 */ 4317 if (size > 0) { 4318 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4319 if (key == NULL) { 4320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4321 error = ENOMEM; 4322 SCTP_TCB_UNLOCK(stcb); 4323 break; 4324 } 4325 } 4326 shared_key = sctp_alloc_sharedkey(); 4327 if (shared_key == NULL) { 4328 sctp_free_key(key); 4329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4330 error = ENOMEM; 4331 SCTP_TCB_UNLOCK(stcb); 4332 break; 4333 } 4334 shared_key->key = key; 4335 shared_key->keyid = sca->sca_keynumber; 4336 error = sctp_insert_sharedkey(shared_keys, shared_key); 4337 SCTP_TCB_UNLOCK(stcb); 4338 } else { 4339 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4340 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4341 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4342 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4343 SCTP_INP_WLOCK(inp); 4344 shared_keys = &inp->sctp_ep.shared_keys; 4345 /* 4346 * clear the cached keys on all 4347 * assocs for this key id 4348 */ 4349 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4350 /* 4351 * create the new shared key and 4352 * insert/replace it 4353 */ 4354 if (size > 0) { 4355 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4356 if (key == NULL) { 4357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4358 error = ENOMEM; 4359 SCTP_INP_WUNLOCK(inp); 4360 break; 4361 } 4362 } 4363 shared_key = sctp_alloc_sharedkey(); 4364 if (shared_key == NULL) { 4365 sctp_free_key(key); 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4367 error = ENOMEM; 4368 SCTP_INP_WUNLOCK(inp); 4369 break; 4370 } 4371 shared_key->key = key; 4372 shared_key->keyid = sca->sca_keynumber; 4373 error = sctp_insert_sharedkey(shared_keys, shared_key); 4374 SCTP_INP_WUNLOCK(inp); 4375 } 4376 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4377 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4378 SCTP_INP_RLOCK(inp); 4379 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4380 SCTP_TCB_LOCK(stcb); 4381 shared_keys = &stcb->asoc.shared_keys; 4382 /* 4383 * clear the cached keys for 4384 * this key id 4385 */ 4386 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4387 /* 4388 * create the new shared key 4389 * and insert/replace it 4390 */ 4391 if (size > 0) { 4392 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4393 if (key == NULL) { 4394 SCTP_TCB_UNLOCK(stcb); 4395 continue; 4396 } 4397 } 4398 shared_key = sctp_alloc_sharedkey(); 4399 if (shared_key == NULL) { 4400 sctp_free_key(key); 4401 SCTP_TCB_UNLOCK(stcb); 4402 continue; 4403 } 4404 shared_key->key = key; 4405 shared_key->keyid = sca->sca_keynumber; 4406 error = sctp_insert_sharedkey(shared_keys, shared_key); 4407 SCTP_TCB_UNLOCK(stcb); 4408 } 4409 SCTP_INP_RUNLOCK(inp); 4410 } 4411 } 4412 break; 4413 } 4414 case SCTP_HMAC_IDENT: 4415 { 4416 struct sctp_hmacalgo *shmac; 4417 sctp_hmaclist_t *hmaclist; 4418 uint16_t hmacid; 4419 uint32_t i; 4420 4421 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4422 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4423 (shmac->shmac_number_of_idents > 0xffff)) { 4424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4425 error = EINVAL; 4426 break; 4427 } 4428 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4429 if (hmaclist == NULL) { 4430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4431 error = ENOMEM; 4432 break; 4433 } 4434 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4435 hmacid = shmac->shmac_idents[i]; 4436 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4437 /* invalid HMACs were found */ ; 4438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4439 error = EINVAL; 4440 sctp_free_hmaclist(hmaclist); 4441 goto sctp_set_hmac_done; 4442 } 4443 } 4444 for (i = 0; i < hmaclist->num_algo; i++) { 4445 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4446 /* already in list */ 4447 break; 4448 } 4449 } 4450 if (i == hmaclist->num_algo) { 4451 /* not found in list */ 4452 sctp_free_hmaclist(hmaclist); 4453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4454 error = EINVAL; 4455 break; 4456 } 4457 /* set it on the endpoint */ 4458 SCTP_INP_WLOCK(inp); 4459 if (inp->sctp_ep.local_hmacs) 4460 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4461 inp->sctp_ep.local_hmacs = hmaclist; 4462 SCTP_INP_WUNLOCK(inp); 4463 sctp_set_hmac_done: 4464 break; 4465 } 4466 case SCTP_AUTH_ACTIVE_KEY: 4467 { 4468 struct sctp_authkeyid *scact; 4469 4470 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4471 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4472 4473 /* set the active key on the right place */ 4474 if (stcb) { 4475 /* set the active key on the assoc */ 4476 if (sctp_auth_setactivekey(stcb, 4477 scact->scact_keynumber)) { 4478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4479 SCTP_FROM_SCTP_USRREQ, 4480 EINVAL); 4481 error = EINVAL; 4482 } 4483 SCTP_TCB_UNLOCK(stcb); 4484 } else { 4485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4487 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4488 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4489 SCTP_INP_WLOCK(inp); 4490 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4492 error = EINVAL; 4493 } 4494 SCTP_INP_WUNLOCK(inp); 4495 } 4496 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4497 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4498 SCTP_INP_RLOCK(inp); 4499 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4500 SCTP_TCB_LOCK(stcb); 4501 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4502 SCTP_TCB_UNLOCK(stcb); 4503 } 4504 SCTP_INP_RUNLOCK(inp); 4505 } 4506 } 4507 break; 4508 } 4509 case SCTP_AUTH_DELETE_KEY: 4510 { 4511 struct sctp_authkeyid *scdel; 4512 4513 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4514 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4515 4516 /* delete the key from the right place */ 4517 if (stcb) { 4518 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4520 error = EINVAL; 4521 } 4522 SCTP_TCB_UNLOCK(stcb); 4523 } else { 4524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4525 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4526 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4527 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4528 SCTP_INP_WLOCK(inp); 4529 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4531 error = EINVAL; 4532 } 4533 SCTP_INP_WUNLOCK(inp); 4534 } 4535 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4536 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4537 SCTP_INP_RLOCK(inp); 4538 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4539 SCTP_TCB_LOCK(stcb); 4540 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4541 SCTP_TCB_UNLOCK(stcb); 4542 } 4543 SCTP_INP_RUNLOCK(inp); 4544 } 4545 } 4546 break; 4547 } 4548 case SCTP_AUTH_DEACTIVATE_KEY: 4549 { 4550 struct sctp_authkeyid *keyid; 4551 4552 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4553 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4554 4555 /* deactivate the key from the right place */ 4556 if (stcb) { 4557 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4559 error = EINVAL; 4560 } 4561 SCTP_TCB_UNLOCK(stcb); 4562 } else { 4563 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4564 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4565 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4566 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4567 SCTP_INP_WLOCK(inp); 4568 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4570 error = EINVAL; 4571 } 4572 SCTP_INP_WUNLOCK(inp); 4573 } 4574 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4575 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4576 SCTP_INP_RLOCK(inp); 4577 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4578 SCTP_TCB_LOCK(stcb); 4579 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4580 SCTP_TCB_UNLOCK(stcb); 4581 } 4582 SCTP_INP_RUNLOCK(inp); 4583 } 4584 } 4585 break; 4586 } 4587 case SCTP_ENABLE_STREAM_RESET: 4588 { 4589 struct sctp_assoc_value *av; 4590 4591 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4592 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4594 error = EINVAL; 4595 break; 4596 } 4597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4598 if (stcb) { 4599 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4600 SCTP_TCB_UNLOCK(stcb); 4601 } else { 4602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4604 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4605 (av->assoc_id == SCTP_ALL_ASSOC)) { 4606 SCTP_INP_WLOCK(inp); 4607 inp->local_strreset_support = (uint8_t) av->assoc_value; 4608 SCTP_INP_WUNLOCK(inp); 4609 } 4610 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4611 (av->assoc_id == SCTP_ALL_ASSOC)) { 4612 SCTP_INP_RLOCK(inp); 4613 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4614 SCTP_TCB_LOCK(stcb); 4615 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4616 SCTP_TCB_UNLOCK(stcb); 4617 } 4618 SCTP_INP_RUNLOCK(inp); 4619 } 4620 } 4621 break; 4622 } 4623 case SCTP_RESET_STREAMS: 4624 { 4625 struct sctp_reset_streams *strrst; 4626 int i, send_out = 0; 4627 int send_in = 0; 4628 4629 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4630 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4631 if (stcb == NULL) { 4632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4633 error = ENOENT; 4634 break; 4635 } 4636 if (stcb->asoc.reconfig_supported == 0) { 4637 /* 4638 * Peer does not support the chunk type. 4639 */ 4640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4641 error = EOPNOTSUPP; 4642 SCTP_TCB_UNLOCK(stcb); 4643 break; 4644 } 4645 if (sizeof(struct sctp_reset_streams) + 4646 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4647 error = EINVAL; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4652 send_in = 1; 4653 if (stcb->asoc.stream_reset_outstanding) { 4654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4655 error = EALREADY; 4656 SCTP_TCB_UNLOCK(stcb); 4657 break; 4658 } 4659 } 4660 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4661 send_out = 1; 4662 } 4663 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4665 error = ENOMEM; 4666 SCTP_TCB_UNLOCK(stcb); 4667 break; 4668 } 4669 if ((send_in == 0) && (send_out == 0)) { 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4671 error = EINVAL; 4672 SCTP_TCB_UNLOCK(stcb); 4673 break; 4674 } 4675 for (i = 0; i < strrst->srs_number_streams; i++) { 4676 if ((send_in) && 4677 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4679 error = EINVAL; 4680 break; 4681 } 4682 if ((send_out) && 4683 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4685 error = EINVAL; 4686 break; 4687 } 4688 } 4689 if (error) { 4690 SCTP_TCB_UNLOCK(stcb); 4691 break; 4692 } 4693 if (send_out) { 4694 int cnt; 4695 uint16_t strm; 4696 4697 if (strrst->srs_number_streams) { 4698 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4699 strm = strrst->srs_stream_list[i]; 4700 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4701 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4702 cnt++; 4703 } 4704 } 4705 } else { 4706 /* Its all */ 4707 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4708 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4709 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4710 cnt++; 4711 } 4712 } 4713 } 4714 } 4715 if (send_in) { 4716 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4717 strrst->srs_stream_list, 4718 send_in, 0, 0, 0, 0, 0); 4719 } else { 4720 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4721 } 4722 if (error == 0) { 4723 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4724 } else { 4725 /* 4726 * For outgoing streams don't report any 4727 * problems in sending the request to the 4728 * application. XXX: Double check resetting 4729 * incoming streams. 4730 */ 4731 error = 0; 4732 } 4733 SCTP_TCB_UNLOCK(stcb); 4734 break; 4735 } 4736 case SCTP_ADD_STREAMS: 4737 { 4738 struct sctp_add_streams *stradd; 4739 uint8_t addstream = 0; 4740 uint16_t add_o_strmcnt = 0; 4741 uint16_t add_i_strmcnt = 0; 4742 4743 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4744 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4745 if (stcb == NULL) { 4746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4747 error = ENOENT; 4748 break; 4749 } 4750 if (stcb->asoc.reconfig_supported == 0) { 4751 /* 4752 * Peer does not support the chunk type. 4753 */ 4754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4755 error = EOPNOTSUPP; 4756 SCTP_TCB_UNLOCK(stcb); 4757 break; 4758 } 4759 if (stcb->asoc.stream_reset_outstanding) { 4760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4761 error = EALREADY; 4762 SCTP_TCB_UNLOCK(stcb); 4763 break; 4764 } 4765 if ((stradd->sas_outstrms == 0) && 4766 (stradd->sas_instrms == 0)) { 4767 error = EINVAL; 4768 goto skip_stuff; 4769 } 4770 if (stradd->sas_outstrms) { 4771 addstream = 1; 4772 /* We allocate here */ 4773 add_o_strmcnt = stradd->sas_outstrms; 4774 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4775 /* You can't have more than 64k */ 4776 error = EINVAL; 4777 goto skip_stuff; 4778 } 4779 } 4780 if (stradd->sas_instrms) { 4781 int cnt; 4782 4783 addstream |= 2; 4784 /* 4785 * We allocate inside 4786 * sctp_send_str_reset_req() 4787 */ 4788 add_i_strmcnt = stradd->sas_instrms; 4789 cnt = add_i_strmcnt; 4790 cnt += stcb->asoc.streamincnt; 4791 if (cnt > 0x0000ffff) { 4792 /* You can't have more than 64k */ 4793 error = EINVAL; 4794 goto skip_stuff; 4795 } 4796 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4797 /* More than you are allowed */ 4798 error = EINVAL; 4799 goto skip_stuff; 4800 } 4801 } 4802 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4803 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4804 skip_stuff: 4805 SCTP_TCB_UNLOCK(stcb); 4806 break; 4807 } 4808 case SCTP_RESET_ASSOC: 4809 { 4810 int i; 4811 uint32_t *value; 4812 4813 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4814 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4815 if (stcb == NULL) { 4816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4817 error = ENOENT; 4818 break; 4819 } 4820 if (stcb->asoc.reconfig_supported == 0) { 4821 /* 4822 * Peer does not support the chunk type. 4823 */ 4824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4825 error = EOPNOTSUPP; 4826 SCTP_TCB_UNLOCK(stcb); 4827 break; 4828 } 4829 if (stcb->asoc.stream_reset_outstanding) { 4830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4831 error = EALREADY; 4832 SCTP_TCB_UNLOCK(stcb); 4833 break; 4834 } 4835 /* 4836 * Is there any data pending in the send or sent 4837 * queues? 4838 */ 4839 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4840 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4841 busy_out: 4842 error = EBUSY; 4843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4844 SCTP_TCB_UNLOCK(stcb); 4845 break; 4846 } 4847 /* Do any streams have data queued? */ 4848 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4849 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4850 goto busy_out; 4851 } 4852 } 4853 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4854 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4855 SCTP_TCB_UNLOCK(stcb); 4856 break; 4857 } 4858 case SCTP_CONNECT_X: 4859 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4861 error = EINVAL; 4862 break; 4863 } 4864 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4865 break; 4866 case SCTP_CONNECT_X_DELAYED: 4867 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4869 error = EINVAL; 4870 break; 4871 } 4872 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4873 break; 4874 case SCTP_CONNECT_X_COMPLETE: 4875 { 4876 struct sockaddr *sa; 4877 4878 /* FIXME MT: check correct? */ 4879 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4880 4881 /* find tcb */ 4882 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4883 SCTP_INP_RLOCK(inp); 4884 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4885 if (stcb) { 4886 SCTP_TCB_LOCK(stcb); 4887 } 4888 SCTP_INP_RUNLOCK(inp); 4889 } else { 4890 /* 4891 * We increment here since 4892 * sctp_findassociation_ep_addr() wil do a 4893 * decrement if it finds the stcb as long as 4894 * the locked tcb (last argument) is NOT a 4895 * TCB.. aka NULL. 4896 */ 4897 SCTP_INP_INCR_REF(inp); 4898 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4899 if (stcb == NULL) { 4900 SCTP_INP_DECR_REF(inp); 4901 } 4902 } 4903 4904 if (stcb == NULL) { 4905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4906 error = ENOENT; 4907 break; 4908 } 4909 if (stcb->asoc.delayed_connection == 1) { 4910 stcb->asoc.delayed_connection = 0; 4911 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4912 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4913 stcb->asoc.primary_destination, 4914 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4915 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4916 } else { 4917 /* 4918 * already expired or did not use delayed 4919 * connectx 4920 */ 4921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4922 error = EALREADY; 4923 } 4924 SCTP_TCB_UNLOCK(stcb); 4925 break; 4926 } 4927 case SCTP_MAX_BURST: 4928 { 4929 struct sctp_assoc_value *av; 4930 4931 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4932 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4933 4934 if (stcb) { 4935 stcb->asoc.max_burst = av->assoc_value; 4936 SCTP_TCB_UNLOCK(stcb); 4937 } else { 4938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4940 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4941 (av->assoc_id == SCTP_ALL_ASSOC)) { 4942 SCTP_INP_WLOCK(inp); 4943 inp->sctp_ep.max_burst = av->assoc_value; 4944 SCTP_INP_WUNLOCK(inp); 4945 } 4946 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4947 (av->assoc_id == SCTP_ALL_ASSOC)) { 4948 SCTP_INP_RLOCK(inp); 4949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4950 SCTP_TCB_LOCK(stcb); 4951 stcb->asoc.max_burst = av->assoc_value; 4952 SCTP_TCB_UNLOCK(stcb); 4953 } 4954 SCTP_INP_RUNLOCK(inp); 4955 } 4956 } 4957 break; 4958 } 4959 case SCTP_MAXSEG: 4960 { 4961 struct sctp_assoc_value *av; 4962 int ovh; 4963 4964 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4965 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4966 4967 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4968 ovh = SCTP_MED_OVERHEAD; 4969 } else { 4970 ovh = SCTP_MED_V4_OVERHEAD; 4971 } 4972 if (stcb) { 4973 if (av->assoc_value) { 4974 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4975 } else { 4976 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4977 } 4978 SCTP_TCB_UNLOCK(stcb); 4979 } else { 4980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4981 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4982 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4983 SCTP_INP_WLOCK(inp); 4984 /* 4985 * FIXME MT: I think this is not in 4986 * tune with the API ID 4987 */ 4988 if (av->assoc_value) { 4989 inp->sctp_frag_point = (av->assoc_value + ovh); 4990 } else { 4991 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4992 } 4993 SCTP_INP_WUNLOCK(inp); 4994 } else { 4995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4996 error = EINVAL; 4997 } 4998 } 4999 break; 5000 } 5001 case SCTP_EVENTS: 5002 { 5003 struct sctp_event_subscribe *events; 5004 5005 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5006 5007 SCTP_INP_WLOCK(inp); 5008 if (events->sctp_data_io_event) { 5009 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5010 } else { 5011 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5012 } 5013 5014 if (events->sctp_association_event) { 5015 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5016 } else { 5017 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5018 } 5019 5020 if (events->sctp_address_event) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5022 } else { 5023 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5024 } 5025 5026 if (events->sctp_send_failure_event) { 5027 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5028 } else { 5029 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5030 } 5031 5032 if (events->sctp_peer_error_event) { 5033 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5034 } else { 5035 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5036 } 5037 5038 if (events->sctp_shutdown_event) { 5039 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5040 } else { 5041 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5042 } 5043 5044 if (events->sctp_partial_delivery_event) { 5045 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5046 } else { 5047 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5048 } 5049 5050 if (events->sctp_adaptation_layer_event) { 5051 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5052 } else { 5053 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5054 } 5055 5056 if (events->sctp_authentication_event) { 5057 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5058 } else { 5059 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5060 } 5061 5062 if (events->sctp_sender_dry_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5066 } 5067 5068 if (events->sctp_stream_reset_event) { 5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5070 } else { 5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5072 } 5073 SCTP_INP_WUNLOCK(inp); 5074 5075 SCTP_INP_RLOCK(inp); 5076 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5077 SCTP_TCB_LOCK(stcb); 5078 if (events->sctp_association_event) { 5079 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5080 } else { 5081 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5082 } 5083 if (events->sctp_address_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5087 } 5088 if (events->sctp_send_failure_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5092 } 5093 if (events->sctp_peer_error_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5097 } 5098 if (events->sctp_shutdown_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5102 } 5103 if (events->sctp_partial_delivery_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5107 } 5108 if (events->sctp_adaptation_layer_event) { 5109 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5110 } else { 5111 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5112 } 5113 if (events->sctp_authentication_event) { 5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5115 } else { 5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5117 } 5118 if (events->sctp_sender_dry_event) { 5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5120 } else { 5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5122 } 5123 if (events->sctp_stream_reset_event) { 5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5125 } else { 5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5127 } 5128 SCTP_TCB_UNLOCK(stcb); 5129 } 5130 /* 5131 * Send up the sender dry event only for 1-to-1 5132 * style sockets. 5133 */ 5134 if (events->sctp_sender_dry_event) { 5135 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5136 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5137 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5138 if (stcb) { 5139 SCTP_TCB_LOCK(stcb); 5140 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5141 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5142 (stcb->asoc.stream_queue_cnt == 0)) { 5143 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5144 } 5145 SCTP_TCB_UNLOCK(stcb); 5146 } 5147 } 5148 } 5149 SCTP_INP_RUNLOCK(inp); 5150 break; 5151 } 5152 case SCTP_ADAPTATION_LAYER: 5153 { 5154 struct sctp_setadaptation *adap_bits; 5155 5156 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5157 SCTP_INP_WLOCK(inp); 5158 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5159 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5160 SCTP_INP_WUNLOCK(inp); 5161 break; 5162 } 5163 #ifdef SCTP_DEBUG 5164 case SCTP_SET_INITIAL_DBG_SEQ: 5165 { 5166 uint32_t *vvv; 5167 5168 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5169 SCTP_INP_WLOCK(inp); 5170 inp->sctp_ep.initial_sequence_debug = *vvv; 5171 SCTP_INP_WUNLOCK(inp); 5172 break; 5173 } 5174 #endif 5175 case SCTP_DEFAULT_SEND_PARAM: 5176 { 5177 struct sctp_sndrcvinfo *s_info; 5178 5179 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5180 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5181 5182 if (stcb) { 5183 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5184 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5185 } else { 5186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5187 error = EINVAL; 5188 } 5189 SCTP_TCB_UNLOCK(stcb); 5190 } else { 5191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5192 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5193 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5194 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5195 SCTP_INP_WLOCK(inp); 5196 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5197 SCTP_INP_WUNLOCK(inp); 5198 } 5199 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5200 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5201 SCTP_INP_RLOCK(inp); 5202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5203 SCTP_TCB_LOCK(stcb); 5204 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5205 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5206 } 5207 SCTP_TCB_UNLOCK(stcb); 5208 } 5209 SCTP_INP_RUNLOCK(inp); 5210 } 5211 } 5212 break; 5213 } 5214 case SCTP_PEER_ADDR_PARAMS: 5215 { 5216 struct sctp_paddrparams *paddrp; 5217 struct sctp_nets *net; 5218 struct sockaddr *addr; 5219 5220 #if defined(INET) && defined(INET6) 5221 struct sockaddr_in sin_store; 5222 5223 #endif 5224 5225 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5226 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5227 5228 #if defined(INET) && defined(INET6) 5229 if (paddrp->spp_address.ss_family == AF_INET6) { 5230 struct sockaddr_in6 *sin6; 5231 5232 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5233 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5234 in6_sin6_2_sin(&sin_store, sin6); 5235 addr = (struct sockaddr *)&sin_store; 5236 } else { 5237 addr = (struct sockaddr *)&paddrp->spp_address; 5238 } 5239 } else { 5240 addr = (struct sockaddr *)&paddrp->spp_address; 5241 } 5242 #else 5243 addr = (struct sockaddr *)&paddrp->spp_address; 5244 #endif 5245 if (stcb != NULL) { 5246 net = sctp_findnet(stcb, addr); 5247 } else { 5248 /* 5249 * We increment here since 5250 * sctp_findassociation_ep_addr() wil do a 5251 * decrement if it finds the stcb as long as 5252 * the locked tcb (last argument) is NOT a 5253 * TCB.. aka NULL. 5254 */ 5255 net = NULL; 5256 SCTP_INP_INCR_REF(inp); 5257 stcb = sctp_findassociation_ep_addr(&inp, addr, 5258 &net, NULL, NULL); 5259 if (stcb == NULL) { 5260 SCTP_INP_DECR_REF(inp); 5261 } 5262 } 5263 if ((stcb != NULL) && (net == NULL)) { 5264 #ifdef INET 5265 if (addr->sa_family == AF_INET) { 5266 5267 struct sockaddr_in *sin; 5268 5269 sin = (struct sockaddr_in *)addr; 5270 if (sin->sin_addr.s_addr != INADDR_ANY) { 5271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5272 SCTP_TCB_UNLOCK(stcb); 5273 error = EINVAL; 5274 break; 5275 } 5276 } else 5277 #endif 5278 #ifdef INET6 5279 if (addr->sa_family == AF_INET6) { 5280 struct sockaddr_in6 *sin6; 5281 5282 sin6 = (struct sockaddr_in6 *)addr; 5283 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5285 SCTP_TCB_UNLOCK(stcb); 5286 error = EINVAL; 5287 break; 5288 } 5289 } else 5290 #endif 5291 { 5292 error = EAFNOSUPPORT; 5293 SCTP_TCB_UNLOCK(stcb); 5294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5295 break; 5296 } 5297 } 5298 /* sanity checks */ 5299 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5300 if (stcb) 5301 SCTP_TCB_UNLOCK(stcb); 5302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5303 return (EINVAL); 5304 } 5305 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5306 if (stcb) 5307 SCTP_TCB_UNLOCK(stcb); 5308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5309 return (EINVAL); 5310 } 5311 if (stcb != NULL) { 5312 /************************TCB SPECIFIC SET ******************/ 5313 if (net != NULL) { 5314 /************************NET SPECIFIC SET ******************/ 5315 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5316 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5317 !(net->dest_state & SCTP_ADDR_NOHB)) { 5318 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5319 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5320 } 5321 net->dest_state |= SCTP_ADDR_NOHB; 5322 } 5323 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5324 if (paddrp->spp_hbinterval) { 5325 net->heart_beat_delay = paddrp->spp_hbinterval; 5326 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5327 net->heart_beat_delay = 0; 5328 } 5329 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5330 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5331 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5332 net->dest_state &= ~SCTP_ADDR_NOHB; 5333 } 5334 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5335 /* on demand HB */ 5336 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5337 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5338 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5339 } 5340 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5341 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5342 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5343 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5344 } 5345 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5346 net->mtu = paddrp->spp_pathmtu; 5347 switch (net->ro._l_addr.sa.sa_family) { 5348 #ifdef INET 5349 case AF_INET: 5350 net->mtu += SCTP_MIN_V4_OVERHEAD; 5351 break; 5352 #endif 5353 #ifdef INET6 5354 case AF_INET6: 5355 net->mtu += SCTP_MIN_OVERHEAD; 5356 break; 5357 #endif 5358 default: 5359 break; 5360 } 5361 if (net->mtu < stcb->asoc.smallest_mtu) { 5362 sctp_pathmtu_adjustment(stcb, net->mtu); 5363 } 5364 } 5365 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5366 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5367 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5368 } 5369 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5370 } 5371 if (paddrp->spp_pathmaxrxt) { 5372 if (net->dest_state & SCTP_ADDR_PF) { 5373 if (net->error_count > paddrp->spp_pathmaxrxt) { 5374 net->dest_state &= ~SCTP_ADDR_PF; 5375 } 5376 } else { 5377 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5378 (net->error_count > net->pf_threshold)) { 5379 net->dest_state |= SCTP_ADDR_PF; 5380 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5381 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5382 stcb->sctp_ep, stcb, net, 5383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5384 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5385 } 5386 } 5387 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5388 if (net->error_count > paddrp->spp_pathmaxrxt) { 5389 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5390 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5391 } 5392 } else { 5393 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5394 net->dest_state |= SCTP_ADDR_REACHABLE; 5395 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5396 } 5397 } 5398 net->failure_threshold = paddrp->spp_pathmaxrxt; 5399 } 5400 if (paddrp->spp_flags & SPP_DSCP) { 5401 net->dscp = paddrp->spp_dscp & 0xfc; 5402 net->dscp |= 0x01; 5403 } 5404 #ifdef INET6 5405 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5406 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5407 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5408 net->flowlabel |= 0x80000000; 5409 } 5410 } 5411 #endif 5412 } else { 5413 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5414 if (paddrp->spp_pathmaxrxt != 0) { 5415 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5416 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5417 if (net->dest_state & SCTP_ADDR_PF) { 5418 if (net->error_count > paddrp->spp_pathmaxrxt) { 5419 net->dest_state &= ~SCTP_ADDR_PF; 5420 } 5421 } else { 5422 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5423 (net->error_count > net->pf_threshold)) { 5424 net->dest_state |= SCTP_ADDR_PF; 5425 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5426 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5427 stcb->sctp_ep, stcb, net, 5428 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5429 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5430 } 5431 } 5432 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5433 if (net->error_count > paddrp->spp_pathmaxrxt) { 5434 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5435 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5436 } 5437 } else { 5438 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5439 net->dest_state |= SCTP_ADDR_REACHABLE; 5440 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5441 } 5442 } 5443 net->failure_threshold = paddrp->spp_pathmaxrxt; 5444 } 5445 } 5446 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5447 if (paddrp->spp_hbinterval != 0) { 5448 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5449 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5450 stcb->asoc.heart_beat_delay = 0; 5451 } 5452 /* Turn back on the timer */ 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if (paddrp->spp_hbinterval != 0) { 5455 net->heart_beat_delay = paddrp->spp_hbinterval; 5456 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5457 net->heart_beat_delay = 0; 5458 } 5459 if (net->dest_state & SCTP_ADDR_NOHB) { 5460 net->dest_state &= ~SCTP_ADDR_NOHB; 5461 } 5462 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5463 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5464 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5465 } 5466 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5467 } 5468 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5469 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5470 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5471 net->dest_state |= SCTP_ADDR_NOHB; 5472 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5473 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5474 inp, stcb, net, 5475 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5476 } 5477 } 5478 } 5479 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5480 } 5481 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5482 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5483 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5484 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5485 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5486 } 5487 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5488 net->mtu = paddrp->spp_pathmtu; 5489 switch (net->ro._l_addr.sa.sa_family) { 5490 #ifdef INET 5491 case AF_INET: 5492 net->mtu += SCTP_MIN_V4_OVERHEAD; 5493 break; 5494 #endif 5495 #ifdef INET6 5496 case AF_INET6: 5497 net->mtu += SCTP_MIN_OVERHEAD; 5498 break; 5499 #endif 5500 default: 5501 break; 5502 } 5503 if (net->mtu < stcb->asoc.smallest_mtu) { 5504 sctp_pathmtu_adjustment(stcb, net->mtu); 5505 } 5506 } 5507 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5508 } 5509 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5510 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5511 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5512 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5513 } 5514 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5515 } 5516 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5517 } 5518 if (paddrp->spp_flags & SPP_DSCP) { 5519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5520 net->dscp = paddrp->spp_dscp & 0xfc; 5521 net->dscp |= 0x01; 5522 } 5523 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5524 stcb->asoc.default_dscp |= 0x01; 5525 } 5526 #ifdef INET6 5527 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5528 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5529 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5530 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5531 net->flowlabel |= 0x80000000; 5532 } 5533 } 5534 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5535 stcb->asoc.default_flowlabel |= 0x80000000; 5536 } 5537 #endif 5538 } 5539 SCTP_TCB_UNLOCK(stcb); 5540 } else { 5541 /************************NO TCB, SET TO default stuff ******************/ 5542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5544 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5545 SCTP_INP_WLOCK(inp); 5546 /* 5547 * For the TOS/FLOWLABEL stuff you 5548 * set it with the options on the 5549 * socket 5550 */ 5551 if (paddrp->spp_pathmaxrxt != 0) { 5552 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5553 } 5554 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5555 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5556 else if (paddrp->spp_hbinterval != 0) { 5557 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5558 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5559 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5560 } 5561 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5562 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5563 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5564 } else if (paddrp->spp_hbinterval) { 5565 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5566 } 5567 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5568 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5569 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5570 } 5571 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5572 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5573 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5574 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5575 } 5576 if (paddrp->spp_flags & SPP_DSCP) { 5577 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5578 inp->sctp_ep.default_dscp |= 0x01; 5579 } 5580 #ifdef INET6 5581 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5582 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5583 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5584 inp->sctp_ep.default_flowlabel |= 0x80000000; 5585 } 5586 } 5587 #endif 5588 SCTP_INP_WUNLOCK(inp); 5589 } else { 5590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5591 error = EINVAL; 5592 } 5593 } 5594 break; 5595 } 5596 case SCTP_RTOINFO: 5597 { 5598 struct sctp_rtoinfo *srto; 5599 uint32_t new_init, new_min, new_max; 5600 5601 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5602 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5603 5604 if (stcb) { 5605 if (srto->srto_initial) 5606 new_init = srto->srto_initial; 5607 else 5608 new_init = stcb->asoc.initial_rto; 5609 if (srto->srto_max) 5610 new_max = srto->srto_max; 5611 else 5612 new_max = stcb->asoc.maxrto; 5613 if (srto->srto_min) 5614 new_min = srto->srto_min; 5615 else 5616 new_min = stcb->asoc.minrto; 5617 if ((new_min <= new_init) && (new_init <= new_max)) { 5618 stcb->asoc.initial_rto = new_init; 5619 stcb->asoc.maxrto = new_max; 5620 stcb->asoc.minrto = new_min; 5621 } else { 5622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5623 error = EINVAL; 5624 } 5625 SCTP_TCB_UNLOCK(stcb); 5626 } else { 5627 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5628 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5629 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5630 SCTP_INP_WLOCK(inp); 5631 if (srto->srto_initial) 5632 new_init = srto->srto_initial; 5633 else 5634 new_init = inp->sctp_ep.initial_rto; 5635 if (srto->srto_max) 5636 new_max = srto->srto_max; 5637 else 5638 new_max = inp->sctp_ep.sctp_maxrto; 5639 if (srto->srto_min) 5640 new_min = srto->srto_min; 5641 else 5642 new_min = inp->sctp_ep.sctp_minrto; 5643 if ((new_min <= new_init) && (new_init <= new_max)) { 5644 inp->sctp_ep.initial_rto = new_init; 5645 inp->sctp_ep.sctp_maxrto = new_max; 5646 inp->sctp_ep.sctp_minrto = new_min; 5647 } else { 5648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5649 error = EINVAL; 5650 } 5651 SCTP_INP_WUNLOCK(inp); 5652 } else { 5653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5654 error = EINVAL; 5655 } 5656 } 5657 break; 5658 } 5659 case SCTP_ASSOCINFO: 5660 { 5661 struct sctp_assocparams *sasoc; 5662 5663 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5664 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5665 if (sasoc->sasoc_cookie_life) { 5666 /* boundary check the cookie life */ 5667 if (sasoc->sasoc_cookie_life < 1000) 5668 sasoc->sasoc_cookie_life = 1000; 5669 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5670 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5671 } 5672 } 5673 if (stcb) { 5674 if (sasoc->sasoc_asocmaxrxt) 5675 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5676 if (sasoc->sasoc_cookie_life) { 5677 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5678 } 5679 SCTP_TCB_UNLOCK(stcb); 5680 } else { 5681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5683 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5684 SCTP_INP_WLOCK(inp); 5685 if (sasoc->sasoc_asocmaxrxt) 5686 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5687 if (sasoc->sasoc_cookie_life) { 5688 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5689 } 5690 SCTP_INP_WUNLOCK(inp); 5691 } else { 5692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5693 error = EINVAL; 5694 } 5695 } 5696 break; 5697 } 5698 case SCTP_INITMSG: 5699 { 5700 struct sctp_initmsg *sinit; 5701 5702 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5703 SCTP_INP_WLOCK(inp); 5704 if (sinit->sinit_num_ostreams) 5705 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5706 5707 if (sinit->sinit_max_instreams) 5708 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5709 5710 if (sinit->sinit_max_attempts) 5711 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5712 5713 if (sinit->sinit_max_init_timeo) 5714 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5715 SCTP_INP_WUNLOCK(inp); 5716 break; 5717 } 5718 case SCTP_PRIMARY_ADDR: 5719 { 5720 struct sctp_setprim *spa; 5721 struct sctp_nets *net; 5722 struct sockaddr *addr; 5723 5724 #if defined(INET) && defined(INET6) 5725 struct sockaddr_in sin_store; 5726 5727 #endif 5728 5729 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5730 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5731 5732 #if defined(INET) && defined(INET6) 5733 if (spa->ssp_addr.ss_family == AF_INET6) { 5734 struct sockaddr_in6 *sin6; 5735 5736 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5737 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5738 in6_sin6_2_sin(&sin_store, sin6); 5739 addr = (struct sockaddr *)&sin_store; 5740 } else { 5741 addr = (struct sockaddr *)&spa->ssp_addr; 5742 } 5743 } else { 5744 addr = (struct sockaddr *)&spa->ssp_addr; 5745 } 5746 #else 5747 addr = (struct sockaddr *)&spa->ssp_addr; 5748 #endif 5749 if (stcb != NULL) { 5750 net = sctp_findnet(stcb, addr); 5751 } else { 5752 /* 5753 * We increment here since 5754 * sctp_findassociation_ep_addr() wil do a 5755 * decrement if it finds the stcb as long as 5756 * the locked tcb (last argument) is NOT a 5757 * TCB.. aka NULL. 5758 */ 5759 net = NULL; 5760 SCTP_INP_INCR_REF(inp); 5761 stcb = sctp_findassociation_ep_addr(&inp, addr, 5762 &net, NULL, NULL); 5763 if (stcb == NULL) { 5764 SCTP_INP_DECR_REF(inp); 5765 } 5766 } 5767 5768 if ((stcb != NULL) && (net != NULL)) { 5769 if (net != stcb->asoc.primary_destination) { 5770 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5771 /* Ok we need to set it */ 5772 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5773 if ((stcb->asoc.alternate) && 5774 (!(net->dest_state & SCTP_ADDR_PF)) && 5775 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5776 sctp_free_remote_addr(stcb->asoc.alternate); 5777 stcb->asoc.alternate = NULL; 5778 } 5779 } else { 5780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5781 error = EINVAL; 5782 } 5783 } else { 5784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5785 error = EINVAL; 5786 } 5787 } 5788 } else { 5789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5790 error = EINVAL; 5791 } 5792 if (stcb != NULL) { 5793 SCTP_TCB_UNLOCK(stcb); 5794 } 5795 break; 5796 } 5797 case SCTP_SET_DYNAMIC_PRIMARY: 5798 { 5799 union sctp_sockstore *ss; 5800 5801 error = priv_check(curthread, 5802 PRIV_NETINET_RESERVEDPORT); 5803 if (error) 5804 break; 5805 5806 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5807 /* SUPER USER CHECK? */ 5808 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5809 break; 5810 } 5811 case SCTP_SET_PEER_PRIMARY_ADDR: 5812 { 5813 struct sctp_setpeerprim *sspp; 5814 struct sockaddr *addr; 5815 5816 #if defined(INET) && defined(INET6) 5817 struct sockaddr_in sin_store; 5818 5819 #endif 5820 5821 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5822 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5823 if (stcb != NULL) { 5824 struct sctp_ifa *ifa; 5825 5826 #if defined(INET) && defined(INET6) 5827 if (sspp->sspp_addr.ss_family == AF_INET6) { 5828 struct sockaddr_in6 *sin6; 5829 5830 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5831 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5832 in6_sin6_2_sin(&sin_store, sin6); 5833 addr = (struct sockaddr *)&sin_store; 5834 } else { 5835 addr = (struct sockaddr *)&sspp->sspp_addr; 5836 } 5837 } else { 5838 addr = (struct sockaddr *)&sspp->sspp_addr; 5839 } 5840 #else 5841 addr = (struct sockaddr *)&sspp->sspp_addr; 5842 #endif 5843 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5844 if (ifa == NULL) { 5845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5846 error = EINVAL; 5847 goto out_of_it; 5848 } 5849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5850 /* 5851 * Must validate the ifa found is in 5852 * our ep 5853 */ 5854 struct sctp_laddr *laddr; 5855 int found = 0; 5856 5857 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5858 if (laddr->ifa == NULL) { 5859 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5860 __func__); 5861 continue; 5862 } 5863 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5864 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5865 continue; 5866 } 5867 if (laddr->ifa == ifa) { 5868 found = 1; 5869 break; 5870 } 5871 } 5872 if (!found) { 5873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5874 error = EINVAL; 5875 goto out_of_it; 5876 } 5877 } else { 5878 switch (addr->sa_family) { 5879 #ifdef INET 5880 case AF_INET: 5881 { 5882 struct sockaddr_in *sin; 5883 5884 sin = (struct sockaddr_in *)addr; 5885 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5886 &sin->sin_addr) != 0) { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 goto out_of_it; 5890 } 5891 break; 5892 } 5893 #endif 5894 #ifdef INET6 5895 case AF_INET6: 5896 { 5897 struct sockaddr_in6 *sin6; 5898 5899 sin6 = (struct sockaddr_in6 *)addr; 5900 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5901 &sin6->sin6_addr) != 0) { 5902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5903 error = EINVAL; 5904 goto out_of_it; 5905 } 5906 break; 5907 } 5908 #endif 5909 default: 5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5911 error = EINVAL; 5912 goto out_of_it; 5913 } 5914 } 5915 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5917 error = EINVAL; 5918 } 5919 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5920 out_of_it: 5921 SCTP_TCB_UNLOCK(stcb); 5922 } else { 5923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5924 error = EINVAL; 5925 } 5926 break; 5927 } 5928 case SCTP_BINDX_ADD_ADDR: 5929 { 5930 struct sctp_getaddresses *addrs; 5931 struct thread *td; 5932 5933 td = (struct thread *)p; 5934 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5935 optsize); 5936 #ifdef INET 5937 if (addrs->addr->sa_family == AF_INET) { 5938 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 error = EINVAL; 5941 break; 5942 } 5943 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5944 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5945 break; 5946 } 5947 } else 5948 #endif 5949 #ifdef INET6 5950 if (addrs->addr->sa_family == AF_INET6) { 5951 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 error = EINVAL; 5954 break; 5955 } 5956 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5957 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5958 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5959 break; 5960 } 5961 } else 5962 #endif 5963 { 5964 error = EAFNOSUPPORT; 5965 break; 5966 } 5967 sctp_bindx_add_address(so, inp, addrs->addr, 5968 addrs->sget_assoc_id, vrf_id, 5969 &error, p); 5970 break; 5971 } 5972 case SCTP_BINDX_REM_ADDR: 5973 { 5974 struct sctp_getaddresses *addrs; 5975 struct thread *td; 5976 5977 td = (struct thread *)p; 5978 5979 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5980 #ifdef INET 5981 if (addrs->addr->sa_family == AF_INET) { 5982 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5984 error = EINVAL; 5985 break; 5986 } 5987 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5988 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5989 break; 5990 } 5991 } else 5992 #endif 5993 #ifdef INET6 5994 if (addrs->addr->sa_family == AF_INET6) { 5995 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5997 error = EINVAL; 5998 break; 5999 } 6000 if (td != NULL && 6001 (error = prison_local_ip6(td->td_ucred, 6002 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6003 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6004 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6005 break; 6006 } 6007 } else 6008 #endif 6009 { 6010 error = EAFNOSUPPORT; 6011 break; 6012 } 6013 sctp_bindx_delete_address(inp, addrs->addr, 6014 addrs->sget_assoc_id, vrf_id, 6015 &error); 6016 break; 6017 } 6018 case SCTP_EVENT: 6019 { 6020 struct sctp_event *event; 6021 uint32_t event_type; 6022 6023 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6024 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6025 switch (event->se_type) { 6026 case SCTP_ASSOC_CHANGE: 6027 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6028 break; 6029 case SCTP_PEER_ADDR_CHANGE: 6030 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6031 break; 6032 case SCTP_REMOTE_ERROR: 6033 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6034 break; 6035 case SCTP_SEND_FAILED: 6036 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6037 break; 6038 case SCTP_SHUTDOWN_EVENT: 6039 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6040 break; 6041 case SCTP_ADAPTATION_INDICATION: 6042 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6043 break; 6044 case SCTP_PARTIAL_DELIVERY_EVENT: 6045 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6046 break; 6047 case SCTP_AUTHENTICATION_EVENT: 6048 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6049 break; 6050 case SCTP_STREAM_RESET_EVENT: 6051 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6052 break; 6053 case SCTP_SENDER_DRY_EVENT: 6054 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6055 break; 6056 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6057 event_type = 0; 6058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6059 error = ENOTSUP; 6060 break; 6061 case SCTP_ASSOC_RESET_EVENT: 6062 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6063 break; 6064 case SCTP_STREAM_CHANGE_EVENT: 6065 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6066 break; 6067 case SCTP_SEND_FAILED_EVENT: 6068 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6069 break; 6070 default: 6071 event_type = 0; 6072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6073 error = EINVAL; 6074 break; 6075 } 6076 if (event_type > 0) { 6077 if (stcb) { 6078 if (event->se_on) { 6079 sctp_stcb_feature_on(inp, stcb, event_type); 6080 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6081 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6082 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6083 (stcb->asoc.stream_queue_cnt == 0)) { 6084 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6085 } 6086 } 6087 } else { 6088 sctp_stcb_feature_off(inp, stcb, event_type); 6089 } 6090 SCTP_TCB_UNLOCK(stcb); 6091 } else { 6092 /* 6093 * We don't want to send up a storm 6094 * of events, so return an error for 6095 * sender dry events 6096 */ 6097 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6098 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6099 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6100 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6101 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6103 error = ENOTSUP; 6104 break; 6105 } 6106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6108 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6109 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6110 SCTP_INP_WLOCK(inp); 6111 if (event->se_on) { 6112 sctp_feature_on(inp, event_type); 6113 } else { 6114 sctp_feature_off(inp, event_type); 6115 } 6116 SCTP_INP_WUNLOCK(inp); 6117 } 6118 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6119 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6120 SCTP_INP_RLOCK(inp); 6121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6122 SCTP_TCB_LOCK(stcb); 6123 if (event->se_on) { 6124 sctp_stcb_feature_on(inp, stcb, event_type); 6125 } else { 6126 sctp_stcb_feature_off(inp, stcb, event_type); 6127 } 6128 SCTP_TCB_UNLOCK(stcb); 6129 } 6130 SCTP_INP_RUNLOCK(inp); 6131 } 6132 } 6133 } 6134 break; 6135 } 6136 case SCTP_RECVRCVINFO: 6137 { 6138 int *onoff; 6139 6140 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6141 SCTP_INP_WLOCK(inp); 6142 if (*onoff != 0) { 6143 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6144 } else { 6145 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6146 } 6147 SCTP_INP_WUNLOCK(inp); 6148 break; 6149 } 6150 case SCTP_RECVNXTINFO: 6151 { 6152 int *onoff; 6153 6154 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6155 SCTP_INP_WLOCK(inp); 6156 if (*onoff != 0) { 6157 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6158 } else { 6159 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6160 } 6161 SCTP_INP_WUNLOCK(inp); 6162 break; 6163 } 6164 case SCTP_DEFAULT_SNDINFO: 6165 { 6166 struct sctp_sndinfo *info; 6167 uint16_t policy; 6168 6169 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6170 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6171 6172 if (stcb) { 6173 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6174 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6175 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6176 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6177 stcb->asoc.def_send.sinfo_flags |= policy; 6178 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6179 stcb->asoc.def_send.sinfo_context = info->snd_context; 6180 } else { 6181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6182 error = EINVAL; 6183 } 6184 SCTP_TCB_UNLOCK(stcb); 6185 } else { 6186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6188 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6189 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6190 SCTP_INP_WLOCK(inp); 6191 inp->def_send.sinfo_stream = info->snd_sid; 6192 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6193 inp->def_send.sinfo_flags = info->snd_flags; 6194 inp->def_send.sinfo_flags |= policy; 6195 inp->def_send.sinfo_ppid = info->snd_ppid; 6196 inp->def_send.sinfo_context = info->snd_context; 6197 SCTP_INP_WUNLOCK(inp); 6198 } 6199 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6200 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6201 SCTP_INP_RLOCK(inp); 6202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6203 SCTP_TCB_LOCK(stcb); 6204 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6205 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6206 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6207 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6208 stcb->asoc.def_send.sinfo_flags |= policy; 6209 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6210 stcb->asoc.def_send.sinfo_context = info->snd_context; 6211 } 6212 SCTP_TCB_UNLOCK(stcb); 6213 } 6214 SCTP_INP_RUNLOCK(inp); 6215 } 6216 } 6217 break; 6218 } 6219 case SCTP_DEFAULT_PRINFO: 6220 { 6221 struct sctp_default_prinfo *info; 6222 6223 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6224 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6225 6226 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6228 error = EINVAL; 6229 break; 6230 } 6231 if (stcb) { 6232 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6233 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6234 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6235 SCTP_TCB_UNLOCK(stcb); 6236 } else { 6237 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6238 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6239 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6240 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6241 SCTP_INP_WLOCK(inp); 6242 inp->def_send.sinfo_flags &= 0xfff0; 6243 inp->def_send.sinfo_flags |= info->pr_policy; 6244 inp->def_send.sinfo_timetolive = info->pr_value; 6245 SCTP_INP_WUNLOCK(inp); 6246 } 6247 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6248 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6249 SCTP_INP_RLOCK(inp); 6250 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6251 SCTP_TCB_LOCK(stcb); 6252 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6253 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6254 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6255 SCTP_TCB_UNLOCK(stcb); 6256 } 6257 SCTP_INP_RUNLOCK(inp); 6258 } 6259 } 6260 break; 6261 } 6262 case SCTP_PEER_ADDR_THLDS: 6263 /* Applies to the specific association */ 6264 { 6265 struct sctp_paddrthlds *thlds; 6266 struct sctp_nets *net; 6267 struct sockaddr *addr; 6268 6269 #if defined(INET) && defined(INET6) 6270 struct sockaddr_in sin_store; 6271 6272 #endif 6273 6274 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6275 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6276 6277 #if defined(INET) && defined(INET6) 6278 if (thlds->spt_address.ss_family == AF_INET6) { 6279 struct sockaddr_in6 *sin6; 6280 6281 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6282 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6283 in6_sin6_2_sin(&sin_store, sin6); 6284 addr = (struct sockaddr *)&sin_store; 6285 } else { 6286 addr = (struct sockaddr *)&thlds->spt_address; 6287 } 6288 } else { 6289 addr = (struct sockaddr *)&thlds->spt_address; 6290 } 6291 #else 6292 addr = (struct sockaddr *)&thlds->spt_address; 6293 #endif 6294 if (stcb != NULL) { 6295 net = sctp_findnet(stcb, addr); 6296 } else { 6297 /* 6298 * We increment here since 6299 * sctp_findassociation_ep_addr() wil do a 6300 * decrement if it finds the stcb as long as 6301 * the locked tcb (last argument) is NOT a 6302 * TCB.. aka NULL. 6303 */ 6304 net = NULL; 6305 SCTP_INP_INCR_REF(inp); 6306 stcb = sctp_findassociation_ep_addr(&inp, addr, 6307 &net, NULL, NULL); 6308 if (stcb == NULL) { 6309 SCTP_INP_DECR_REF(inp); 6310 } 6311 } 6312 if ((stcb != NULL) && (net == NULL)) { 6313 #ifdef INET 6314 if (addr->sa_family == AF_INET) { 6315 6316 struct sockaddr_in *sin; 6317 6318 sin = (struct sockaddr_in *)addr; 6319 if (sin->sin_addr.s_addr != INADDR_ANY) { 6320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6321 SCTP_TCB_UNLOCK(stcb); 6322 error = EINVAL; 6323 break; 6324 } 6325 } else 6326 #endif 6327 #ifdef INET6 6328 if (addr->sa_family == AF_INET6) { 6329 struct sockaddr_in6 *sin6; 6330 6331 sin6 = (struct sockaddr_in6 *)addr; 6332 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6334 SCTP_TCB_UNLOCK(stcb); 6335 error = EINVAL; 6336 break; 6337 } 6338 } else 6339 #endif 6340 { 6341 error = EAFNOSUPPORT; 6342 SCTP_TCB_UNLOCK(stcb); 6343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6344 break; 6345 } 6346 } 6347 if (stcb != NULL) { 6348 if (net != NULL) { 6349 net->failure_threshold = thlds->spt_pathmaxrxt; 6350 net->pf_threshold = thlds->spt_pathpfthld; 6351 if (net->dest_state & SCTP_ADDR_PF) { 6352 if ((net->error_count > net->failure_threshold) || 6353 (net->error_count <= net->pf_threshold)) { 6354 net->dest_state &= ~SCTP_ADDR_PF; 6355 } 6356 } else { 6357 if ((net->error_count > net->pf_threshold) && 6358 (net->error_count <= net->failure_threshold)) { 6359 net->dest_state |= SCTP_ADDR_PF; 6360 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6361 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6362 stcb->sctp_ep, stcb, net, 6363 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6364 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6365 } 6366 } 6367 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6368 if (net->error_count > net->failure_threshold) { 6369 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6370 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6371 } 6372 } else { 6373 if (net->error_count <= net->failure_threshold) { 6374 net->dest_state |= SCTP_ADDR_REACHABLE; 6375 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6376 } 6377 } 6378 } else { 6379 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6380 net->failure_threshold = thlds->spt_pathmaxrxt; 6381 net->pf_threshold = thlds->spt_pathpfthld; 6382 if (net->dest_state & SCTP_ADDR_PF) { 6383 if ((net->error_count > net->failure_threshold) || 6384 (net->error_count <= net->pf_threshold)) { 6385 net->dest_state &= ~SCTP_ADDR_PF; 6386 } 6387 } else { 6388 if ((net->error_count > net->pf_threshold) && 6389 (net->error_count <= net->failure_threshold)) { 6390 net->dest_state |= SCTP_ADDR_PF; 6391 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6392 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6393 stcb->sctp_ep, stcb, net, 6394 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6395 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6396 } 6397 } 6398 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6399 if (net->error_count > net->failure_threshold) { 6400 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6401 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6402 } 6403 } else { 6404 if (net->error_count <= net->failure_threshold) { 6405 net->dest_state |= SCTP_ADDR_REACHABLE; 6406 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6407 } 6408 } 6409 } 6410 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6411 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6412 } 6413 SCTP_TCB_UNLOCK(stcb); 6414 } else { 6415 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6416 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6417 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6418 SCTP_INP_WLOCK(inp); 6419 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6420 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6421 SCTP_INP_WUNLOCK(inp); 6422 } else { 6423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6424 error = EINVAL; 6425 } 6426 } 6427 break; 6428 } 6429 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6430 { 6431 struct sctp_udpencaps *encaps; 6432 struct sctp_nets *net; 6433 struct sockaddr *addr; 6434 6435 #if defined(INET) && defined(INET6) 6436 struct sockaddr_in sin_store; 6437 6438 #endif 6439 6440 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6441 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6442 6443 #if defined(INET) && defined(INET6) 6444 if (encaps->sue_address.ss_family == AF_INET6) { 6445 struct sockaddr_in6 *sin6; 6446 6447 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6448 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6449 in6_sin6_2_sin(&sin_store, sin6); 6450 addr = (struct sockaddr *)&sin_store; 6451 } else { 6452 addr = (struct sockaddr *)&encaps->sue_address; 6453 } 6454 } else { 6455 addr = (struct sockaddr *)&encaps->sue_address; 6456 } 6457 #else 6458 addr = (struct sockaddr *)&encaps->sue_address; 6459 #endif 6460 if (stcb != NULL) { 6461 net = sctp_findnet(stcb, addr); 6462 } else { 6463 /* 6464 * We increment here since 6465 * sctp_findassociation_ep_addr() wil do a 6466 * decrement if it finds the stcb as long as 6467 * the locked tcb (last argument) is NOT a 6468 * TCB.. aka NULL. 6469 */ 6470 net = NULL; 6471 SCTP_INP_INCR_REF(inp); 6472 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6473 if (stcb == NULL) { 6474 SCTP_INP_DECR_REF(inp); 6475 } 6476 } 6477 if ((stcb != NULL) && (net == NULL)) { 6478 #ifdef INET 6479 if (addr->sa_family == AF_INET) { 6480 6481 struct sockaddr_in *sin; 6482 6483 sin = (struct sockaddr_in *)addr; 6484 if (sin->sin_addr.s_addr != INADDR_ANY) { 6485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6486 SCTP_TCB_UNLOCK(stcb); 6487 error = EINVAL; 6488 break; 6489 } 6490 } else 6491 #endif 6492 #ifdef INET6 6493 if (addr->sa_family == AF_INET6) { 6494 struct sockaddr_in6 *sin6; 6495 6496 sin6 = (struct sockaddr_in6 *)addr; 6497 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6499 SCTP_TCB_UNLOCK(stcb); 6500 error = EINVAL; 6501 break; 6502 } 6503 } else 6504 #endif 6505 { 6506 error = EAFNOSUPPORT; 6507 SCTP_TCB_UNLOCK(stcb); 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6509 break; 6510 } 6511 } 6512 if (stcb != NULL) { 6513 if (net != NULL) { 6514 net->port = encaps->sue_port; 6515 } else { 6516 stcb->asoc.port = encaps->sue_port; 6517 } 6518 SCTP_TCB_UNLOCK(stcb); 6519 } else { 6520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6522 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6523 SCTP_INP_WLOCK(inp); 6524 inp->sctp_ep.port = encaps->sue_port; 6525 SCTP_INP_WUNLOCK(inp); 6526 } else { 6527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6528 error = EINVAL; 6529 } 6530 } 6531 break; 6532 } 6533 case SCTP_ECN_SUPPORTED: 6534 { 6535 struct sctp_assoc_value *av; 6536 6537 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6538 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6539 6540 if (stcb) { 6541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6542 error = EINVAL; 6543 SCTP_TCB_UNLOCK(stcb); 6544 } else { 6545 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6546 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6547 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6548 SCTP_INP_WLOCK(inp); 6549 if (av->assoc_value == 0) { 6550 inp->ecn_supported = 0; 6551 } else { 6552 inp->ecn_supported = 1; 6553 } 6554 SCTP_INP_WUNLOCK(inp); 6555 } else { 6556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6557 error = EINVAL; 6558 } 6559 } 6560 break; 6561 } 6562 case SCTP_PR_SUPPORTED: 6563 { 6564 struct sctp_assoc_value *av; 6565 6566 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6567 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6568 6569 if (stcb) { 6570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6571 error = EINVAL; 6572 SCTP_TCB_UNLOCK(stcb); 6573 } else { 6574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6576 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6577 SCTP_INP_WLOCK(inp); 6578 if (av->assoc_value == 0) { 6579 inp->prsctp_supported = 0; 6580 } else { 6581 inp->prsctp_supported = 1; 6582 } 6583 SCTP_INP_WUNLOCK(inp); 6584 } else { 6585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6586 error = EINVAL; 6587 } 6588 } 6589 break; 6590 } 6591 case SCTP_AUTH_SUPPORTED: 6592 { 6593 struct sctp_assoc_value *av; 6594 6595 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6596 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6597 6598 if (stcb) { 6599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6600 error = EINVAL; 6601 SCTP_TCB_UNLOCK(stcb); 6602 } else { 6603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6605 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6606 if ((av->assoc_value == 0) && 6607 (inp->asconf_supported == 1)) { 6608 /* 6609 * AUTH is required for 6610 * ASCONF 6611 */ 6612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6613 error = EINVAL; 6614 } else { 6615 SCTP_INP_WLOCK(inp); 6616 if (av->assoc_value == 0) { 6617 inp->auth_supported = 0; 6618 } else { 6619 inp->auth_supported = 1; 6620 } 6621 SCTP_INP_WUNLOCK(inp); 6622 } 6623 } else { 6624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6625 error = EINVAL; 6626 } 6627 } 6628 break; 6629 } 6630 case SCTP_ASCONF_SUPPORTED: 6631 { 6632 struct sctp_assoc_value *av; 6633 6634 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6635 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6636 6637 if (stcb) { 6638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6639 error = EINVAL; 6640 SCTP_TCB_UNLOCK(stcb); 6641 } else { 6642 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6643 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6644 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6645 if ((av->assoc_value != 0) && 6646 (inp->auth_supported == 0)) { 6647 /* 6648 * AUTH is required for 6649 * ASCONF 6650 */ 6651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6652 error = EINVAL; 6653 } else { 6654 SCTP_INP_WLOCK(inp); 6655 if (av->assoc_value == 0) { 6656 inp->asconf_supported = 0; 6657 sctp_auth_delete_chunk(SCTP_ASCONF, 6658 inp->sctp_ep.local_auth_chunks); 6659 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6660 inp->sctp_ep.local_auth_chunks); 6661 } else { 6662 inp->asconf_supported = 1; 6663 sctp_auth_add_chunk(SCTP_ASCONF, 6664 inp->sctp_ep.local_auth_chunks); 6665 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6666 inp->sctp_ep.local_auth_chunks); 6667 } 6668 SCTP_INP_WUNLOCK(inp); 6669 } 6670 } else { 6671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6672 error = EINVAL; 6673 } 6674 } 6675 break; 6676 } 6677 case SCTP_RECONFIG_SUPPORTED: 6678 { 6679 struct sctp_assoc_value *av; 6680 6681 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6682 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6683 6684 if (stcb) { 6685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6686 error = EINVAL; 6687 SCTP_TCB_UNLOCK(stcb); 6688 } else { 6689 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6690 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6691 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6692 SCTP_INP_WLOCK(inp); 6693 if (av->assoc_value == 0) { 6694 inp->reconfig_supported = 0; 6695 } else { 6696 inp->reconfig_supported = 1; 6697 } 6698 SCTP_INP_WUNLOCK(inp); 6699 } else { 6700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6701 error = EINVAL; 6702 } 6703 } 6704 break; 6705 } 6706 case SCTP_NRSACK_SUPPORTED: 6707 { 6708 struct sctp_assoc_value *av; 6709 6710 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6711 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6712 6713 if (stcb) { 6714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6715 error = EINVAL; 6716 SCTP_TCB_UNLOCK(stcb); 6717 } else { 6718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6720 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6721 SCTP_INP_WLOCK(inp); 6722 if (av->assoc_value == 0) { 6723 inp->nrsack_supported = 0; 6724 } else { 6725 inp->nrsack_supported = 1; 6726 } 6727 SCTP_INP_WUNLOCK(inp); 6728 } else { 6729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6730 error = EINVAL; 6731 } 6732 } 6733 break; 6734 } 6735 case SCTP_PKTDROP_SUPPORTED: 6736 { 6737 struct sctp_assoc_value *av; 6738 6739 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6740 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6741 6742 if (stcb) { 6743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6744 error = EINVAL; 6745 SCTP_TCB_UNLOCK(stcb); 6746 } else { 6747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6749 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6750 SCTP_INP_WLOCK(inp); 6751 if (av->assoc_value == 0) { 6752 inp->pktdrop_supported = 0; 6753 } else { 6754 inp->pktdrop_supported = 1; 6755 } 6756 SCTP_INP_WUNLOCK(inp); 6757 } else { 6758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6759 error = EINVAL; 6760 } 6761 } 6762 break; 6763 } 6764 case SCTP_MAX_CWND: 6765 { 6766 struct sctp_assoc_value *av; 6767 struct sctp_nets *net; 6768 6769 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6770 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6771 6772 if (stcb) { 6773 stcb->asoc.max_cwnd = av->assoc_value; 6774 if (stcb->asoc.max_cwnd > 0) { 6775 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6776 if ((net->cwnd > stcb->asoc.max_cwnd) && 6777 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6778 net->cwnd = stcb->asoc.max_cwnd; 6779 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6780 net->cwnd = net->mtu - sizeof(struct sctphdr); 6781 } 6782 } 6783 } 6784 } 6785 SCTP_TCB_UNLOCK(stcb); 6786 } else { 6787 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6788 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6789 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6790 SCTP_INP_WLOCK(inp); 6791 inp->max_cwnd = av->assoc_value; 6792 SCTP_INP_WUNLOCK(inp); 6793 } else { 6794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6795 error = EINVAL; 6796 } 6797 } 6798 break; 6799 } 6800 default: 6801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6802 error = ENOPROTOOPT; 6803 break; 6804 } /* end switch (opt) */ 6805 return (error); 6806 } 6807 6808 int 6809 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6810 { 6811 void *optval = NULL; 6812 size_t optsize = 0; 6813 void *p; 6814 int error = 0; 6815 struct sctp_inpcb *inp; 6816 6817 if ((sopt->sopt_level == SOL_SOCKET) && 6818 (sopt->sopt_name == SO_SETFIB)) { 6819 inp = (struct sctp_inpcb *)so->so_pcb; 6820 if (inp == NULL) { 6821 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6822 return (EINVAL); 6823 } 6824 SCTP_INP_WLOCK(inp); 6825 inp->fibnum = so->so_fibnum; 6826 SCTP_INP_WUNLOCK(inp); 6827 return (0); 6828 } 6829 if (sopt->sopt_level != IPPROTO_SCTP) { 6830 /* wrong proto level... send back up to IP */ 6831 #ifdef INET6 6832 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6833 error = ip6_ctloutput(so, sopt); 6834 #endif /* INET6 */ 6835 #if defined(INET) && defined(INET6) 6836 else 6837 #endif 6838 #ifdef INET 6839 error = ip_ctloutput(so, sopt); 6840 #endif 6841 return (error); 6842 } 6843 optsize = sopt->sopt_valsize; 6844 if (optsize) { 6845 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6846 if (optval == NULL) { 6847 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6848 return (ENOBUFS); 6849 } 6850 error = sooptcopyin(sopt, optval, optsize, optsize); 6851 if (error) { 6852 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6853 goto out; 6854 } 6855 } 6856 p = (void *)sopt->sopt_td; 6857 if (sopt->sopt_dir == SOPT_SET) { 6858 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6859 } else if (sopt->sopt_dir == SOPT_GET) { 6860 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6861 } else { 6862 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6863 error = EINVAL; 6864 } 6865 if ((error == 0) && (optval != NULL)) { 6866 error = sooptcopyout(sopt, optval, optsize); 6867 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6868 } else if (optval != NULL) { 6869 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6870 } 6871 out: 6872 return (error); 6873 } 6874 6875 #ifdef INET 6876 static int 6877 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6878 { 6879 int error = 0; 6880 int create_lock_on = 0; 6881 uint32_t vrf_id; 6882 struct sctp_inpcb *inp; 6883 struct sctp_tcb *stcb = NULL; 6884 6885 inp = (struct sctp_inpcb *)so->so_pcb; 6886 if (inp == NULL) { 6887 /* I made the same as TCP since we are not setup? */ 6888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6889 return (ECONNRESET); 6890 } 6891 if (addr == NULL) { 6892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6893 return EINVAL; 6894 } 6895 switch (addr->sa_family) { 6896 #ifdef INET6 6897 case AF_INET6: 6898 { 6899 struct sockaddr_in6 *sin6p; 6900 6901 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6903 return (EINVAL); 6904 } 6905 sin6p = (struct sockaddr_in6 *)addr; 6906 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6908 return (error); 6909 } 6910 break; 6911 } 6912 #endif 6913 #ifdef INET 6914 case AF_INET: 6915 { 6916 struct sockaddr_in *sinp; 6917 6918 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6920 return (EINVAL); 6921 } 6922 sinp = (struct sockaddr_in *)addr; 6923 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6925 return (error); 6926 } 6927 break; 6928 } 6929 #endif 6930 default: 6931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6932 return (EAFNOSUPPORT); 6933 } 6934 SCTP_INP_INCR_REF(inp); 6935 SCTP_ASOC_CREATE_LOCK(inp); 6936 create_lock_on = 1; 6937 6938 6939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6940 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6941 /* Should I really unlock ? */ 6942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6943 error = EFAULT; 6944 goto out_now; 6945 } 6946 #ifdef INET6 6947 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6948 (addr->sa_family == AF_INET6)) { 6949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6950 error = EINVAL; 6951 goto out_now; 6952 } 6953 #endif 6954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6955 SCTP_PCB_FLAGS_UNBOUND) { 6956 /* Bind a ephemeral port */ 6957 error = sctp_inpcb_bind(so, NULL, NULL, p); 6958 if (error) { 6959 goto out_now; 6960 } 6961 } 6962 /* Now do we connect? */ 6963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6964 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6966 error = EINVAL; 6967 goto out_now; 6968 } 6969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6970 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6971 /* We are already connected AND the TCP model */ 6972 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6973 error = EADDRINUSE; 6974 goto out_now; 6975 } 6976 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6977 SCTP_INP_RLOCK(inp); 6978 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6979 SCTP_INP_RUNLOCK(inp); 6980 } else { 6981 /* 6982 * We increment here since sctp_findassociation_ep_addr() 6983 * will do a decrement if it finds the stcb as long as the 6984 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6985 */ 6986 SCTP_INP_INCR_REF(inp); 6987 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6988 if (stcb == NULL) { 6989 SCTP_INP_DECR_REF(inp); 6990 } else { 6991 SCTP_TCB_UNLOCK(stcb); 6992 } 6993 } 6994 if (stcb != NULL) { 6995 /* Already have or am bring up an association */ 6996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6997 error = EALREADY; 6998 goto out_now; 6999 } 7000 vrf_id = inp->def_vrf_id; 7001 /* We are GOOD to go */ 7002 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, inp->sctp_ep.pre_open_stream_count, p); 7003 if (stcb == NULL) { 7004 /* Gak! no memory */ 7005 goto out_now; 7006 } 7007 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7008 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7009 /* Set the connected flag so we can queue data */ 7010 soisconnecting(so); 7011 } 7012 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7013 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7014 7015 /* initialize authentication parameters for the assoc */ 7016 sctp_initialize_auth_params(inp, stcb); 7017 7018 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7019 SCTP_TCB_UNLOCK(stcb); 7020 out_now: 7021 if (create_lock_on) { 7022 SCTP_ASOC_CREATE_UNLOCK(inp); 7023 } 7024 SCTP_INP_DECR_REF(inp); 7025 return (error); 7026 } 7027 7028 #endif 7029 7030 int 7031 sctp_listen(struct socket *so, int backlog, struct thread *p) 7032 { 7033 /* 7034 * Note this module depends on the protocol processing being called 7035 * AFTER any socket level flags and backlog are applied to the 7036 * socket. The traditional way that the socket flags are applied is 7037 * AFTER protocol processing. We have made a change to the 7038 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7039 * place if the socket API for SCTP is to work properly. 7040 */ 7041 7042 int error = 0; 7043 struct sctp_inpcb *inp; 7044 7045 inp = (struct sctp_inpcb *)so->so_pcb; 7046 if (inp == NULL) { 7047 /* I made the same as TCP since we are not setup? */ 7048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7049 return (ECONNRESET); 7050 } 7051 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7052 /* See if we have a listener */ 7053 struct sctp_inpcb *tinp; 7054 union sctp_sockstore store; 7055 7056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7057 /* not bound all */ 7058 struct sctp_laddr *laddr; 7059 7060 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7061 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7062 switch (store.sa.sa_family) { 7063 #ifdef INET 7064 case AF_INET: 7065 store.sin.sin_port = inp->sctp_lport; 7066 break; 7067 #endif 7068 #ifdef INET6 7069 case AF_INET6: 7070 store.sin6.sin6_port = inp->sctp_lport; 7071 break; 7072 #endif 7073 default: 7074 break; 7075 } 7076 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7077 if (tinp && (tinp != inp) && 7078 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7079 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7080 (tinp->sctp_socket->so_qlimit)) { 7081 /* 7082 * we have a listener already and 7083 * its not this inp. 7084 */ 7085 SCTP_INP_DECR_REF(tinp); 7086 return (EADDRINUSE); 7087 } else if (tinp) { 7088 SCTP_INP_DECR_REF(tinp); 7089 } 7090 } 7091 } else { 7092 /* Setup a local addr bound all */ 7093 memset(&store, 0, sizeof(store)); 7094 #ifdef INET6 7095 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7096 store.sa.sa_family = AF_INET6; 7097 store.sa.sa_len = sizeof(struct sockaddr_in6); 7098 } 7099 #endif 7100 #ifdef INET 7101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7102 store.sa.sa_family = AF_INET; 7103 store.sa.sa_len = sizeof(struct sockaddr_in); 7104 } 7105 #endif 7106 switch (store.sa.sa_family) { 7107 #ifdef INET 7108 case AF_INET: 7109 store.sin.sin_port = inp->sctp_lport; 7110 break; 7111 #endif 7112 #ifdef INET6 7113 case AF_INET6: 7114 store.sin6.sin6_port = inp->sctp_lport; 7115 break; 7116 #endif 7117 default: 7118 break; 7119 } 7120 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7121 if (tinp && (tinp != inp) && 7122 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7123 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7124 (tinp->sctp_socket->so_qlimit)) { 7125 /* 7126 * we have a listener already and its not 7127 * this inp. 7128 */ 7129 SCTP_INP_DECR_REF(tinp); 7130 return (EADDRINUSE); 7131 } else if (tinp) { 7132 SCTP_INP_DECR_REF(tinp); 7133 } 7134 } 7135 } 7136 SCTP_INP_RLOCK(inp); 7137 #ifdef SCTP_LOCK_LOGGING 7138 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7139 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7140 } 7141 #endif 7142 SOCK_LOCK(so); 7143 error = solisten_proto_check(so); 7144 SOCK_UNLOCK(so); 7145 if (error) { 7146 SCTP_INP_RUNLOCK(inp); 7147 return (error); 7148 } 7149 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7150 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7151 /* 7152 * The unlucky case - We are in the tcp pool with this guy. 7153 * - Someone else is in the main inp slot. - We must move 7154 * this guy (the listener) to the main slot - We must then 7155 * move the guy that was listener to the TCP Pool. 7156 */ 7157 if (sctp_swap_inpcb_for_listen(inp)) { 7158 SCTP_INP_RUNLOCK(inp); 7159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7160 return (EADDRINUSE); 7161 } 7162 } 7163 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7164 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7165 /* We are already connected AND the TCP model */ 7166 SCTP_INP_RUNLOCK(inp); 7167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7168 return (EADDRINUSE); 7169 } 7170 SCTP_INP_RUNLOCK(inp); 7171 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7172 /* We must do a bind. */ 7173 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7174 /* bind error, probably perm */ 7175 return (error); 7176 } 7177 } 7178 SOCK_LOCK(so); 7179 /* It appears for 7.0 and on, we must always call this. */ 7180 solisten_proto(so, backlog); 7181 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7182 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7183 so->so_options &= ~SO_ACCEPTCONN; 7184 } 7185 if (backlog == 0) { 7186 /* turning off listen */ 7187 so->so_options &= ~SO_ACCEPTCONN; 7188 } 7189 SOCK_UNLOCK(so); 7190 return (error); 7191 } 7192 7193 static int sctp_defered_wakeup_cnt = 0; 7194 7195 int 7196 sctp_accept(struct socket *so, struct sockaddr **addr) 7197 { 7198 struct sctp_tcb *stcb; 7199 struct sctp_inpcb *inp; 7200 union sctp_sockstore store; 7201 7202 #ifdef INET6 7203 int error; 7204 7205 #endif 7206 inp = (struct sctp_inpcb *)so->so_pcb; 7207 7208 if (inp == NULL) { 7209 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7210 return (ECONNRESET); 7211 } 7212 SCTP_INP_RLOCK(inp); 7213 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7214 SCTP_INP_RUNLOCK(inp); 7215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7216 return (EOPNOTSUPP); 7217 } 7218 if (so->so_state & SS_ISDISCONNECTED) { 7219 SCTP_INP_RUNLOCK(inp); 7220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7221 return (ECONNABORTED); 7222 } 7223 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7224 if (stcb == NULL) { 7225 SCTP_INP_RUNLOCK(inp); 7226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7227 return (ECONNRESET); 7228 } 7229 SCTP_TCB_LOCK(stcb); 7230 SCTP_INP_RUNLOCK(inp); 7231 store = stcb->asoc.primary_destination->ro._l_addr; 7232 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7233 SCTP_TCB_UNLOCK(stcb); 7234 switch (store.sa.sa_family) { 7235 #ifdef INET 7236 case AF_INET: 7237 { 7238 struct sockaddr_in *sin; 7239 7240 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7241 if (sin == NULL) 7242 return (ENOMEM); 7243 sin->sin_family = AF_INET; 7244 sin->sin_len = sizeof(*sin); 7245 sin->sin_port = store.sin.sin_port; 7246 sin->sin_addr = store.sin.sin_addr; 7247 *addr = (struct sockaddr *)sin; 7248 break; 7249 } 7250 #endif 7251 #ifdef INET6 7252 case AF_INET6: 7253 { 7254 struct sockaddr_in6 *sin6; 7255 7256 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7257 if (sin6 == NULL) 7258 return (ENOMEM); 7259 sin6->sin6_family = AF_INET6; 7260 sin6->sin6_len = sizeof(*sin6); 7261 sin6->sin6_port = store.sin6.sin6_port; 7262 sin6->sin6_addr = store.sin6.sin6_addr; 7263 if ((error = sa6_recoverscope(sin6)) != 0) { 7264 SCTP_FREE_SONAME(sin6); 7265 return (error); 7266 } 7267 *addr = (struct sockaddr *)sin6; 7268 break; 7269 } 7270 #endif 7271 default: 7272 /* TSNH */ 7273 break; 7274 } 7275 /* Wake any delayed sleep action */ 7276 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7277 SCTP_INP_WLOCK(inp); 7278 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7279 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7280 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7281 SCTP_INP_WUNLOCK(inp); 7282 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7283 if (sowriteable(inp->sctp_socket)) { 7284 sowwakeup_locked(inp->sctp_socket); 7285 } else { 7286 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7287 } 7288 SCTP_INP_WLOCK(inp); 7289 } 7290 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7291 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7292 SCTP_INP_WUNLOCK(inp); 7293 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7294 if (soreadable(inp->sctp_socket)) { 7295 sctp_defered_wakeup_cnt++; 7296 sorwakeup_locked(inp->sctp_socket); 7297 } else { 7298 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7299 } 7300 SCTP_INP_WLOCK(inp); 7301 } 7302 SCTP_INP_WUNLOCK(inp); 7303 } 7304 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7305 SCTP_TCB_LOCK(stcb); 7306 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7307 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7308 } 7309 return (0); 7310 } 7311 7312 #ifdef INET 7313 int 7314 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7315 { 7316 struct sockaddr_in *sin; 7317 uint32_t vrf_id; 7318 struct sctp_inpcb *inp; 7319 struct sctp_ifa *sctp_ifa; 7320 7321 /* 7322 * Do the malloc first in case it blocks. 7323 */ 7324 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7325 if (sin == NULL) 7326 return (ENOMEM); 7327 sin->sin_family = AF_INET; 7328 sin->sin_len = sizeof(*sin); 7329 inp = (struct sctp_inpcb *)so->so_pcb; 7330 if (!inp) { 7331 SCTP_FREE_SONAME(sin); 7332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7333 return (ECONNRESET); 7334 } 7335 SCTP_INP_RLOCK(inp); 7336 sin->sin_port = inp->sctp_lport; 7337 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7338 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7339 struct sctp_tcb *stcb; 7340 struct sockaddr_in *sin_a; 7341 struct sctp_nets *net; 7342 int fnd; 7343 7344 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7345 if (stcb == NULL) { 7346 goto notConn; 7347 } 7348 fnd = 0; 7349 sin_a = NULL; 7350 SCTP_TCB_LOCK(stcb); 7351 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7352 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7353 if (sin_a == NULL) 7354 /* this will make coverity happy */ 7355 continue; 7356 7357 if (sin_a->sin_family == AF_INET) { 7358 fnd = 1; 7359 break; 7360 } 7361 } 7362 if ((!fnd) || (sin_a == NULL)) { 7363 /* punt */ 7364 SCTP_TCB_UNLOCK(stcb); 7365 goto notConn; 7366 } 7367 vrf_id = inp->def_vrf_id; 7368 sctp_ifa = sctp_source_address_selection(inp, 7369 stcb, 7370 (sctp_route_t *) & net->ro, 7371 net, 0, vrf_id); 7372 if (sctp_ifa) { 7373 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7374 sctp_free_ifa(sctp_ifa); 7375 } 7376 SCTP_TCB_UNLOCK(stcb); 7377 } else { 7378 /* For the bound all case you get back 0 */ 7379 notConn: 7380 sin->sin_addr.s_addr = 0; 7381 } 7382 7383 } else { 7384 /* Take the first IPv4 address in the list */ 7385 struct sctp_laddr *laddr; 7386 int fnd = 0; 7387 7388 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7389 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7390 struct sockaddr_in *sin_a; 7391 7392 sin_a = &laddr->ifa->address.sin; 7393 sin->sin_addr = sin_a->sin_addr; 7394 fnd = 1; 7395 break; 7396 } 7397 } 7398 if (!fnd) { 7399 SCTP_FREE_SONAME(sin); 7400 SCTP_INP_RUNLOCK(inp); 7401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7402 return (ENOENT); 7403 } 7404 } 7405 SCTP_INP_RUNLOCK(inp); 7406 (*addr) = (struct sockaddr *)sin; 7407 return (0); 7408 } 7409 7410 int 7411 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7412 { 7413 struct sockaddr_in *sin; 7414 int fnd; 7415 struct sockaddr_in *sin_a; 7416 struct sctp_inpcb *inp; 7417 struct sctp_tcb *stcb; 7418 struct sctp_nets *net; 7419 7420 /* Do the malloc first in case it blocks. */ 7421 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7422 if (sin == NULL) 7423 return (ENOMEM); 7424 sin->sin_family = AF_INET; 7425 sin->sin_len = sizeof(*sin); 7426 7427 inp = (struct sctp_inpcb *)so->so_pcb; 7428 if ((inp == NULL) || 7429 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7430 /* UDP type and listeners will drop out here */ 7431 SCTP_FREE_SONAME(sin); 7432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7433 return (ENOTCONN); 7434 } 7435 SCTP_INP_RLOCK(inp); 7436 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7437 if (stcb) { 7438 SCTP_TCB_LOCK(stcb); 7439 } 7440 SCTP_INP_RUNLOCK(inp); 7441 if (stcb == NULL) { 7442 SCTP_FREE_SONAME(sin); 7443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7444 return (ECONNRESET); 7445 } 7446 fnd = 0; 7447 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7448 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7449 if (sin_a->sin_family == AF_INET) { 7450 fnd = 1; 7451 sin->sin_port = stcb->rport; 7452 sin->sin_addr = sin_a->sin_addr; 7453 break; 7454 } 7455 } 7456 SCTP_TCB_UNLOCK(stcb); 7457 if (!fnd) { 7458 /* No IPv4 address */ 7459 SCTP_FREE_SONAME(sin); 7460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7461 return (ENOENT); 7462 } 7463 (*addr) = (struct sockaddr *)sin; 7464 return (0); 7465 } 7466 7467 struct pr_usrreqs sctp_usrreqs = { 7468 .pru_abort = sctp_abort, 7469 .pru_accept = sctp_accept, 7470 .pru_attach = sctp_attach, 7471 .pru_bind = sctp_bind, 7472 .pru_connect = sctp_connect, 7473 .pru_control = in_control, 7474 .pru_close = sctp_close, 7475 .pru_detach = sctp_close, 7476 .pru_sopoll = sopoll_generic, 7477 .pru_flush = sctp_flush, 7478 .pru_disconnect = sctp_disconnect, 7479 .pru_listen = sctp_listen, 7480 .pru_peeraddr = sctp_peeraddr, 7481 .pru_send = sctp_sendm, 7482 .pru_shutdown = sctp_shutdown, 7483 .pru_sockaddr = sctp_ingetaddr, 7484 .pru_sosend = sctp_sosend, 7485 .pru_soreceive = sctp_soreceive 7486 }; 7487 7488 #endif 7489