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 inp->sctp_ep.port, 1478 (struct thread *)p 1479 ); 1480 if (stcb == NULL) { 1481 /* Gak! no memory */ 1482 goto out_now; 1483 } 1484 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1485 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1486 /* Set the connected flag so we can queue data */ 1487 soisconnecting(so); 1488 } 1489 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1490 /* move to second address */ 1491 switch (sa->sa_family) { 1492 #ifdef INET 1493 case AF_INET: 1494 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1495 break; 1496 #endif 1497 #ifdef INET6 1498 case AF_INET6: 1499 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1500 break; 1501 #endif 1502 default: 1503 break; 1504 } 1505 1506 error = 0; 1507 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1508 /* Fill in the return id */ 1509 if (error) { 1510 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1511 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1512 goto out_now; 1513 } 1514 a_id = (sctp_assoc_t *) optval; 1515 *a_id = sctp_get_associd(stcb); 1516 1517 /* initialize authentication parameters for the assoc */ 1518 sctp_initialize_auth_params(inp, stcb); 1519 1520 if (delay) { 1521 /* doing delayed connection */ 1522 stcb->asoc.delayed_connection = 1; 1523 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1524 } else { 1525 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1526 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1527 } 1528 SCTP_TCB_UNLOCK(stcb); 1529 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1530 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1531 /* Set the connected flag so we can queue data */ 1532 soisconnecting(so); 1533 } 1534 out_now: 1535 if (creat_lock_on) { 1536 SCTP_ASOC_CREATE_UNLOCK(inp); 1537 } 1538 SCTP_INP_DECR_REF(inp); 1539 return (error); 1540 } 1541 1542 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1545 SCTP_INP_RLOCK(inp); \ 1546 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1547 if (stcb) { \ 1548 SCTP_TCB_LOCK(stcb); \ 1549 } \ 1550 SCTP_INP_RUNLOCK(inp); \ 1551 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1552 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1553 if (stcb == NULL) { \ 1554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1555 error = ENOENT; \ 1556 break; \ 1557 } \ 1558 } else { \ 1559 stcb = NULL; \ 1560 } \ 1561 } 1562 1563 1564 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1565 if (size < sizeof(type)) { \ 1566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1567 error = EINVAL; \ 1568 break; \ 1569 } else { \ 1570 destp = (type *)srcp; \ 1571 } \ 1572 } 1573 1574 static int 1575 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1576 void *p) 1577 { 1578 struct sctp_inpcb *inp = NULL; 1579 int error, val = 0; 1580 struct sctp_tcb *stcb = NULL; 1581 1582 if (optval == NULL) { 1583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1584 return (EINVAL); 1585 } 1586 inp = (struct sctp_inpcb *)so->so_pcb; 1587 if (inp == NULL) { 1588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1589 return EINVAL; 1590 } 1591 error = 0; 1592 1593 switch (optname) { 1594 case SCTP_NODELAY: 1595 case SCTP_AUTOCLOSE: 1596 case SCTP_EXPLICIT_EOR: 1597 case SCTP_AUTO_ASCONF: 1598 case SCTP_DISABLE_FRAGMENTS: 1599 case SCTP_I_WANT_MAPPED_V4_ADDR: 1600 case SCTP_USE_EXT_RCVINFO: 1601 SCTP_INP_RLOCK(inp); 1602 switch (optname) { 1603 case SCTP_DISABLE_FRAGMENTS: 1604 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1605 break; 1606 case SCTP_I_WANT_MAPPED_V4_ADDR: 1607 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1608 break; 1609 case SCTP_AUTO_ASCONF: 1610 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1611 /* only valid for bound all sockets */ 1612 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1613 } else { 1614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1615 error = EINVAL; 1616 goto flags_out; 1617 } 1618 break; 1619 case SCTP_EXPLICIT_EOR: 1620 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1621 break; 1622 case SCTP_NODELAY: 1623 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1624 break; 1625 case SCTP_USE_EXT_RCVINFO: 1626 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1627 break; 1628 case SCTP_AUTOCLOSE: 1629 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1630 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1631 else 1632 val = 0; 1633 break; 1634 1635 default: 1636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1637 error = ENOPROTOOPT; 1638 } /* end switch (sopt->sopt_name) */ 1639 if (*optsize < sizeof(val)) { 1640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1641 error = EINVAL; 1642 } 1643 flags_out: 1644 SCTP_INP_RUNLOCK(inp); 1645 if (error == 0) { 1646 /* return the option value */ 1647 *(int *)optval = val; 1648 *optsize = sizeof(val); 1649 } 1650 break; 1651 case SCTP_GET_PACKET_LOG: 1652 { 1653 #ifdef SCTP_PACKET_LOGGING 1654 uint8_t *target; 1655 int ret; 1656 1657 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1658 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1659 *optsize = ret; 1660 #else 1661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1662 error = EOPNOTSUPP; 1663 #endif 1664 break; 1665 } 1666 case SCTP_REUSE_PORT: 1667 { 1668 uint32_t *value; 1669 1670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1671 /* Can't do this for a 1-m socket */ 1672 error = EINVAL; 1673 break; 1674 } 1675 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1676 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1677 *optsize = sizeof(uint32_t); 1678 break; 1679 } 1680 case SCTP_PARTIAL_DELIVERY_POINT: 1681 { 1682 uint32_t *value; 1683 1684 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1685 *value = inp->partial_delivery_point; 1686 *optsize = sizeof(uint32_t); 1687 break; 1688 } 1689 case SCTP_FRAGMENT_INTERLEAVE: 1690 { 1691 uint32_t *value; 1692 1693 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1694 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1695 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1696 *value = SCTP_FRAG_LEVEL_2; 1697 } else { 1698 *value = SCTP_FRAG_LEVEL_1; 1699 } 1700 } else { 1701 *value = SCTP_FRAG_LEVEL_0; 1702 } 1703 *optsize = sizeof(uint32_t); 1704 break; 1705 } 1706 case SCTP_INTERLEAVING_SUPPORTED: 1707 { 1708 struct sctp_assoc_value *av; 1709 1710 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1711 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1712 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.idata_supported; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1720 SCTP_INP_RLOCK(inp); 1721 if (inp->idata_supported) { 1722 av->assoc_value = 1; 1723 } else { 1724 av->assoc_value = 0; 1725 } 1726 SCTP_INP_RUNLOCK(inp); 1727 } else { 1728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1729 error = EINVAL; 1730 } 1731 } 1732 if (error == 0) { 1733 *optsize = sizeof(struct sctp_assoc_value); 1734 } 1735 break; 1736 } 1737 case SCTP_CMT_ON_OFF: 1738 { 1739 struct sctp_assoc_value *av; 1740 1741 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1742 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1743 if (stcb) { 1744 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1745 SCTP_TCB_UNLOCK(stcb); 1746 } else { 1747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1749 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1750 SCTP_INP_RLOCK(inp); 1751 av->assoc_value = inp->sctp_cmt_on_off; 1752 SCTP_INP_RUNLOCK(inp); 1753 } else { 1754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1755 error = EINVAL; 1756 } 1757 } 1758 if (error == 0) { 1759 *optsize = sizeof(struct sctp_assoc_value); 1760 } 1761 break; 1762 } 1763 case SCTP_PLUGGABLE_CC: 1764 { 1765 struct sctp_assoc_value *av; 1766 1767 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1768 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1769 if (stcb) { 1770 av->assoc_value = stcb->asoc.congestion_control_module; 1771 SCTP_TCB_UNLOCK(stcb); 1772 } else { 1773 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1774 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1775 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1776 SCTP_INP_RLOCK(inp); 1777 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1778 SCTP_INP_RUNLOCK(inp); 1779 } else { 1780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1781 error = EINVAL; 1782 } 1783 } 1784 if (error == 0) { 1785 *optsize = sizeof(struct sctp_assoc_value); 1786 } 1787 break; 1788 } 1789 case SCTP_CC_OPTION: 1790 { 1791 struct sctp_cc_option *cc_opt; 1792 1793 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1794 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1795 if (stcb == NULL) { 1796 error = EINVAL; 1797 } else { 1798 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1799 error = ENOTSUP; 1800 } else { 1801 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1802 *optsize = sizeof(struct sctp_cc_option); 1803 } 1804 SCTP_TCB_UNLOCK(stcb); 1805 } 1806 break; 1807 } 1808 case SCTP_PLUGGABLE_SS: 1809 { 1810 struct sctp_assoc_value *av; 1811 1812 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1813 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1814 if (stcb) { 1815 av->assoc_value = stcb->asoc.stream_scheduling_module; 1816 SCTP_TCB_UNLOCK(stcb); 1817 } else { 1818 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1819 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1820 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1821 SCTP_INP_RLOCK(inp); 1822 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1823 SCTP_INP_RUNLOCK(inp); 1824 } else { 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1826 error = EINVAL; 1827 } 1828 } 1829 if (error == 0) { 1830 *optsize = sizeof(struct sctp_assoc_value); 1831 } 1832 break; 1833 } 1834 case SCTP_SS_VALUE: 1835 { 1836 struct sctp_stream_value *av; 1837 1838 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1839 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1840 if (stcb) { 1841 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1842 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1843 &av->stream_value) < 0)) { 1844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1845 error = EINVAL; 1846 } else { 1847 *optsize = sizeof(struct sctp_stream_value); 1848 } 1849 SCTP_TCB_UNLOCK(stcb); 1850 } else { 1851 /* 1852 * Can't get stream value without 1853 * association 1854 */ 1855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1856 error = EINVAL; 1857 } 1858 break; 1859 } 1860 case SCTP_GET_ADDR_LEN: 1861 { 1862 struct sctp_assoc_value *av; 1863 1864 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1865 error = EINVAL; 1866 #ifdef INET 1867 if (av->assoc_value == AF_INET) { 1868 av->assoc_value = sizeof(struct sockaddr_in); 1869 error = 0; 1870 } 1871 #endif 1872 #ifdef INET6 1873 if (av->assoc_value == AF_INET6) { 1874 av->assoc_value = sizeof(struct sockaddr_in6); 1875 error = 0; 1876 } 1877 #endif 1878 if (error) { 1879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1880 } else { 1881 *optsize = sizeof(struct sctp_assoc_value); 1882 } 1883 break; 1884 } 1885 case SCTP_GET_ASSOC_NUMBER: 1886 { 1887 uint32_t *value, cnt; 1888 1889 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1890 SCTP_INP_RLOCK(inp); 1891 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1892 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1893 /* Can't do this for a 1-1 socket */ 1894 error = EINVAL; 1895 SCTP_INP_RUNLOCK(inp); 1896 break; 1897 } 1898 cnt = 0; 1899 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1900 cnt++; 1901 } 1902 SCTP_INP_RUNLOCK(inp); 1903 *value = cnt; 1904 *optsize = sizeof(uint32_t); 1905 break; 1906 } 1907 case SCTP_GET_ASSOC_ID_LIST: 1908 { 1909 struct sctp_assoc_ids *ids; 1910 uint32_t at; 1911 size_t limit; 1912 1913 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1914 SCTP_INP_RLOCK(inp); 1915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1916 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1917 /* Can't do this for a 1-1 socket */ 1918 error = EINVAL; 1919 SCTP_INP_RUNLOCK(inp); 1920 break; 1921 } 1922 at = 0; 1923 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1924 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1925 if (at < limit) { 1926 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1927 if (at == 0) { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 break; 1931 } 1932 } else { 1933 error = EINVAL; 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1935 break; 1936 } 1937 } 1938 SCTP_INP_RUNLOCK(inp); 1939 if (error == 0) { 1940 ids->gaids_number_of_ids = at; 1941 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1942 } 1943 break; 1944 } 1945 case SCTP_CONTEXT: 1946 { 1947 struct sctp_assoc_value *av; 1948 1949 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1950 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1951 1952 if (stcb) { 1953 av->assoc_value = stcb->asoc.context; 1954 SCTP_TCB_UNLOCK(stcb); 1955 } else { 1956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1957 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1958 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1959 SCTP_INP_RLOCK(inp); 1960 av->assoc_value = inp->sctp_context; 1961 SCTP_INP_RUNLOCK(inp); 1962 } else { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1964 error = EINVAL; 1965 } 1966 } 1967 if (error == 0) { 1968 *optsize = sizeof(struct sctp_assoc_value); 1969 } 1970 break; 1971 } 1972 case SCTP_VRF_ID: 1973 { 1974 uint32_t *default_vrfid; 1975 1976 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1977 *default_vrfid = inp->def_vrf_id; 1978 *optsize = sizeof(uint32_t); 1979 break; 1980 } 1981 case SCTP_GET_ASOC_VRF: 1982 { 1983 struct sctp_assoc_value *id; 1984 1985 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1986 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1987 if (stcb == NULL) { 1988 error = EINVAL; 1989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1990 } else { 1991 id->assoc_value = stcb->asoc.vrf_id; 1992 *optsize = sizeof(struct sctp_assoc_value); 1993 } 1994 break; 1995 } 1996 case SCTP_GET_VRF_IDS: 1997 { 1998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1999 error = EOPNOTSUPP; 2000 break; 2001 } 2002 case SCTP_GET_NONCE_VALUES: 2003 { 2004 struct sctp_get_nonce_values *gnv; 2005 2006 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2007 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2008 2009 if (stcb) { 2010 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2011 gnv->gn_local_tag = stcb->asoc.my_vtag; 2012 SCTP_TCB_UNLOCK(stcb); 2013 *optsize = sizeof(struct sctp_get_nonce_values); 2014 } else { 2015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2016 error = ENOTCONN; 2017 } 2018 break; 2019 } 2020 case SCTP_DELAYED_SACK: 2021 { 2022 struct sctp_sack_info *sack; 2023 2024 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2025 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2026 if (stcb) { 2027 sack->sack_delay = stcb->asoc.delayed_ack; 2028 sack->sack_freq = stcb->asoc.sack_freq; 2029 SCTP_TCB_UNLOCK(stcb); 2030 } else { 2031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2033 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2034 SCTP_INP_RLOCK(inp); 2035 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2036 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2037 SCTP_INP_RUNLOCK(inp); 2038 } else { 2039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2040 error = EINVAL; 2041 } 2042 } 2043 if (error == 0) { 2044 *optsize = sizeof(struct sctp_sack_info); 2045 } 2046 break; 2047 } 2048 case SCTP_GET_SNDBUF_USE: 2049 { 2050 struct sctp_sockstat *ss; 2051 2052 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2053 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2054 2055 if (stcb) { 2056 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2057 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2058 stcb->asoc.size_on_all_streams); 2059 SCTP_TCB_UNLOCK(stcb); 2060 *optsize = sizeof(struct sctp_sockstat); 2061 } else { 2062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2063 error = ENOTCONN; 2064 } 2065 break; 2066 } 2067 case SCTP_MAX_BURST: 2068 { 2069 struct sctp_assoc_value *av; 2070 2071 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2073 2074 if (stcb) { 2075 av->assoc_value = stcb->asoc.max_burst; 2076 SCTP_TCB_UNLOCK(stcb); 2077 } else { 2078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2080 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2081 SCTP_INP_RLOCK(inp); 2082 av->assoc_value = inp->sctp_ep.max_burst; 2083 SCTP_INP_RUNLOCK(inp); 2084 } else { 2085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2086 error = EINVAL; 2087 } 2088 } 2089 if (error == 0) { 2090 *optsize = sizeof(struct sctp_assoc_value); 2091 } 2092 break; 2093 } 2094 case SCTP_MAXSEG: 2095 { 2096 struct sctp_assoc_value *av; 2097 int ovh; 2098 2099 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2100 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2101 2102 if (stcb) { 2103 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2104 SCTP_TCB_UNLOCK(stcb); 2105 } else { 2106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2108 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2109 SCTP_INP_RLOCK(inp); 2110 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2111 ovh = SCTP_MED_OVERHEAD; 2112 } else { 2113 ovh = SCTP_MED_V4_OVERHEAD; 2114 } 2115 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2116 av->assoc_value = 0; 2117 else 2118 av->assoc_value = inp->sctp_frag_point - ovh; 2119 SCTP_INP_RUNLOCK(inp); 2120 } else { 2121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2122 error = EINVAL; 2123 } 2124 } 2125 if (error == 0) { 2126 *optsize = sizeof(struct sctp_assoc_value); 2127 } 2128 break; 2129 } 2130 case SCTP_GET_STAT_LOG: 2131 error = sctp_fill_stat_log(optval, optsize); 2132 break; 2133 case SCTP_EVENTS: 2134 { 2135 struct sctp_event_subscribe *events; 2136 2137 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2138 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2139 SCTP_INP_RLOCK(inp); 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2141 events->sctp_data_io_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2144 events->sctp_association_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2147 events->sctp_address_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2150 events->sctp_send_failure_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2153 events->sctp_peer_error_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2156 events->sctp_shutdown_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2159 events->sctp_partial_delivery_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2162 events->sctp_adaptation_layer_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2165 events->sctp_authentication_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2168 events->sctp_sender_dry_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2171 events->sctp_stream_reset_event = 1; 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(struct sctp_event_subscribe); 2174 break; 2175 } 2176 case SCTP_ADAPTATION_LAYER: 2177 { 2178 uint32_t *value; 2179 2180 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2181 2182 SCTP_INP_RLOCK(inp); 2183 *value = inp->sctp_ep.adaptation_layer_indicator; 2184 SCTP_INP_RUNLOCK(inp); 2185 *optsize = sizeof(uint32_t); 2186 break; 2187 } 2188 case SCTP_SET_INITIAL_DBG_SEQ: 2189 { 2190 uint32_t *value; 2191 2192 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2193 SCTP_INP_RLOCK(inp); 2194 *value = inp->sctp_ep.initial_sequence_debug; 2195 SCTP_INP_RUNLOCK(inp); 2196 *optsize = sizeof(uint32_t); 2197 break; 2198 } 2199 case SCTP_GET_LOCAL_ADDR_SIZE: 2200 { 2201 uint32_t *value; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 SCTP_INP_RLOCK(inp); 2205 *value = sctp_count_max_addresses(inp); 2206 SCTP_INP_RUNLOCK(inp); 2207 *optsize = sizeof(uint32_t); 2208 break; 2209 } 2210 case SCTP_GET_REMOTE_ADDR_SIZE: 2211 { 2212 uint32_t *value; 2213 size_t size; 2214 struct sctp_nets *net; 2215 2216 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2217 /* FIXME MT: change to sctp_assoc_value? */ 2218 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2219 2220 if (stcb) { 2221 size = 0; 2222 /* Count the sizes */ 2223 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2224 switch (net->ro._l_addr.sa.sa_family) { 2225 #ifdef INET 2226 case AF_INET: 2227 #ifdef INET6 2228 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2229 size += sizeof(struct sockaddr_in6); 2230 } else { 2231 size += sizeof(struct sockaddr_in); 2232 } 2233 #else 2234 size += sizeof(struct sockaddr_in); 2235 #endif 2236 break; 2237 #endif 2238 #ifdef INET6 2239 case AF_INET6: 2240 size += sizeof(struct sockaddr_in6); 2241 break; 2242 #endif 2243 default: 2244 break; 2245 } 2246 } 2247 SCTP_TCB_UNLOCK(stcb); 2248 *value = (uint32_t) size; 2249 *optsize = sizeof(uint32_t); 2250 } else { 2251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2252 error = ENOTCONN; 2253 } 2254 break; 2255 } 2256 case SCTP_GET_PEER_ADDRESSES: 2257 /* 2258 * Get the address information, an array is passed in to 2259 * fill up we pack it. 2260 */ 2261 { 2262 size_t cpsz, left; 2263 struct sockaddr_storage *sas; 2264 struct sctp_nets *net; 2265 struct sctp_getaddresses *saddr; 2266 2267 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2268 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2269 2270 if (stcb) { 2271 left = (*optsize) - sizeof(struct sctp_getaddresses); 2272 *optsize = sizeof(struct sctp_getaddresses); 2273 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2274 2275 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2276 switch (net->ro._l_addr.sa.sa_family) { 2277 #ifdef INET 2278 case AF_INET: 2279 #ifdef INET6 2280 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2281 cpsz = sizeof(struct sockaddr_in6); 2282 } else { 2283 cpsz = sizeof(struct sockaddr_in); 2284 } 2285 #else 2286 cpsz = sizeof(struct sockaddr_in); 2287 #endif 2288 break; 2289 #endif 2290 #ifdef INET6 2291 case AF_INET6: 2292 cpsz = sizeof(struct sockaddr_in6); 2293 break; 2294 #endif 2295 default: 2296 cpsz = 0; 2297 break; 2298 } 2299 if (cpsz == 0) { 2300 break; 2301 } 2302 if (left < cpsz) { 2303 /* not enough room. */ 2304 break; 2305 } 2306 #if defined(INET) && defined(INET6) 2307 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2308 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2309 /* Must map the address */ 2310 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2311 (struct sockaddr_in6 *)sas); 2312 } else { 2313 memcpy(sas, &net->ro._l_addr, cpsz); 2314 } 2315 #else 2316 memcpy(sas, &net->ro._l_addr, cpsz); 2317 #endif 2318 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2319 2320 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2321 left -= cpsz; 2322 *optsize += cpsz; 2323 } 2324 SCTP_TCB_UNLOCK(stcb); 2325 } else { 2326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2327 error = ENOENT; 2328 } 2329 break; 2330 } 2331 case SCTP_GET_LOCAL_ADDRESSES: 2332 { 2333 size_t limit, actual; 2334 struct sockaddr_storage *sas; 2335 struct sctp_getaddresses *saddr; 2336 2337 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2338 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2339 2340 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2341 limit = *optsize - sizeof(sctp_assoc_t); 2342 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2343 if (stcb) { 2344 SCTP_TCB_UNLOCK(stcb); 2345 } 2346 *optsize = sizeof(struct sockaddr_storage) + actual; 2347 break; 2348 } 2349 case SCTP_PEER_ADDR_PARAMS: 2350 { 2351 struct sctp_paddrparams *paddrp; 2352 struct sctp_nets *net; 2353 struct sockaddr *addr; 2354 2355 #if defined(INET) && defined(INET6) 2356 struct sockaddr_in sin_store; 2357 2358 #endif 2359 2360 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2361 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2362 2363 #if defined(INET) && defined(INET6) 2364 if (paddrp->spp_address.ss_family == AF_INET6) { 2365 struct sockaddr_in6 *sin6; 2366 2367 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2368 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2369 in6_sin6_2_sin(&sin_store, sin6); 2370 addr = (struct sockaddr *)&sin_store; 2371 } else { 2372 addr = (struct sockaddr *)&paddrp->spp_address; 2373 } 2374 } else { 2375 addr = (struct sockaddr *)&paddrp->spp_address; 2376 } 2377 #else 2378 addr = (struct sockaddr *)&paddrp->spp_address; 2379 #endif 2380 if (stcb != NULL) { 2381 net = sctp_findnet(stcb, addr); 2382 } else { 2383 /* 2384 * We increment here since 2385 * sctp_findassociation_ep_addr() wil do a 2386 * decrement if it finds the stcb as long as 2387 * the locked tcb (last argument) is NOT a 2388 * TCB.. aka NULL. 2389 */ 2390 net = NULL; 2391 SCTP_INP_INCR_REF(inp); 2392 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2393 if (stcb == NULL) { 2394 SCTP_INP_DECR_REF(inp); 2395 } 2396 } 2397 if ((stcb != NULL) && (net == NULL)) { 2398 #ifdef INET 2399 if (addr->sa_family == AF_INET) { 2400 struct sockaddr_in *sin; 2401 2402 sin = (struct sockaddr_in *)addr; 2403 if (sin->sin_addr.s_addr != INADDR_ANY) { 2404 error = EINVAL; 2405 SCTP_TCB_UNLOCK(stcb); 2406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2407 break; 2408 } 2409 } else 2410 #endif 2411 #ifdef INET6 2412 if (addr->sa_family == AF_INET6) { 2413 struct sockaddr_in6 *sin6; 2414 2415 sin6 = (struct sockaddr_in6 *)addr; 2416 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2417 error = EINVAL; 2418 SCTP_TCB_UNLOCK(stcb); 2419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2420 break; 2421 } 2422 } else 2423 #endif 2424 { 2425 error = EAFNOSUPPORT; 2426 SCTP_TCB_UNLOCK(stcb); 2427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2428 break; 2429 } 2430 } 2431 if (stcb != NULL) { 2432 /* Applies to the specific association */ 2433 paddrp->spp_flags = 0; 2434 if (net != NULL) { 2435 paddrp->spp_hbinterval = net->heart_beat_delay; 2436 paddrp->spp_pathmaxrxt = net->failure_threshold; 2437 paddrp->spp_pathmtu = net->mtu; 2438 switch (net->ro._l_addr.sa.sa_family) { 2439 #ifdef INET 2440 case AF_INET: 2441 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2442 break; 2443 #endif 2444 #ifdef INET6 2445 case AF_INET6: 2446 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2447 break; 2448 #endif 2449 default: 2450 break; 2451 } 2452 /* get flags for HB */ 2453 if (net->dest_state & SCTP_ADDR_NOHB) { 2454 paddrp->spp_flags |= SPP_HB_DISABLE; 2455 } else { 2456 paddrp->spp_flags |= SPP_HB_ENABLE; 2457 } 2458 /* get flags for PMTU */ 2459 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } 2464 if (net->dscp & 0x01) { 2465 paddrp->spp_dscp = net->dscp & 0xfc; 2466 paddrp->spp_flags |= SPP_DSCP; 2467 } 2468 #ifdef INET6 2469 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2470 (net->flowlabel & 0x80000000)) { 2471 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2472 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2473 } 2474 #endif 2475 } else { 2476 /* 2477 * No destination so return default 2478 * value 2479 */ 2480 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2481 paddrp->spp_pathmtu = 0; 2482 if (stcb->asoc.default_dscp & 0x01) { 2483 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2484 paddrp->spp_flags |= SPP_DSCP; 2485 } 2486 #ifdef INET6 2487 if (stcb->asoc.default_flowlabel & 0x80000000) { 2488 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2489 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2490 } 2491 #endif 2492 /* default settings should be these */ 2493 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2494 paddrp->spp_flags |= SPP_HB_DISABLE; 2495 } else { 2496 paddrp->spp_flags |= SPP_HB_ENABLE; 2497 } 2498 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2499 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2500 } else { 2501 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2502 } 2503 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2504 } 2505 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2506 SCTP_TCB_UNLOCK(stcb); 2507 } else { 2508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2510 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2511 /* Use endpoint defaults */ 2512 SCTP_INP_RLOCK(inp); 2513 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2514 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2515 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2516 /* get inp's default */ 2517 if (inp->sctp_ep.default_dscp & 0x01) { 2518 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2519 paddrp->spp_flags |= SPP_DSCP; 2520 } 2521 #ifdef INET6 2522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2523 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2524 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2525 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2526 } 2527 #endif 2528 /* can't return this */ 2529 paddrp->spp_pathmtu = 0; 2530 2531 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2532 paddrp->spp_flags |= SPP_HB_ENABLE; 2533 } else { 2534 paddrp->spp_flags |= SPP_HB_DISABLE; 2535 } 2536 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2537 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2538 } else { 2539 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2540 } 2541 SCTP_INP_RUNLOCK(inp); 2542 } else { 2543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2544 error = EINVAL; 2545 } 2546 } 2547 if (error == 0) { 2548 *optsize = sizeof(struct sctp_paddrparams); 2549 } 2550 break; 2551 } 2552 case SCTP_GET_PEER_ADDR_INFO: 2553 { 2554 struct sctp_paddrinfo *paddri; 2555 struct sctp_nets *net; 2556 struct sockaddr *addr; 2557 2558 #if defined(INET) && defined(INET6) 2559 struct sockaddr_in sin_store; 2560 2561 #endif 2562 2563 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2564 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2565 2566 #if defined(INET) && defined(INET6) 2567 if (paddri->spinfo_address.ss_family == AF_INET6) { 2568 struct sockaddr_in6 *sin6; 2569 2570 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2571 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2572 in6_sin6_2_sin(&sin_store, sin6); 2573 addr = (struct sockaddr *)&sin_store; 2574 } else { 2575 addr = (struct sockaddr *)&paddri->spinfo_address; 2576 } 2577 } else { 2578 addr = (struct sockaddr *)&paddri->spinfo_address; 2579 } 2580 #else 2581 addr = (struct sockaddr *)&paddri->spinfo_address; 2582 #endif 2583 if (stcb != NULL) { 2584 net = sctp_findnet(stcb, addr); 2585 } else { 2586 /* 2587 * We increment here since 2588 * sctp_findassociation_ep_addr() wil do a 2589 * decrement if it finds the stcb as long as 2590 * the locked tcb (last argument) is NOT a 2591 * TCB.. aka NULL. 2592 */ 2593 net = NULL; 2594 SCTP_INP_INCR_REF(inp); 2595 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2596 if (stcb == NULL) { 2597 SCTP_INP_DECR_REF(inp); 2598 } 2599 } 2600 2601 if ((stcb != NULL) && (net != NULL)) { 2602 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2603 /* It's unconfirmed */ 2604 paddri->spinfo_state = SCTP_UNCONFIRMED; 2605 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2606 /* It's active */ 2607 paddri->spinfo_state = SCTP_ACTIVE; 2608 } else { 2609 /* It's inactive */ 2610 paddri->spinfo_state = SCTP_INACTIVE; 2611 } 2612 paddri->spinfo_cwnd = net->cwnd; 2613 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2614 paddri->spinfo_rto = net->RTO; 2615 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2616 paddri->spinfo_mtu = net->mtu; 2617 switch (addr->sa_family) { 2618 #if defined(INET) 2619 case AF_INET: 2620 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2621 break; 2622 #endif 2623 #if defined(INET6) 2624 case AF_INET6: 2625 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2626 break; 2627 #endif 2628 default: 2629 break; 2630 } 2631 SCTP_TCB_UNLOCK(stcb); 2632 *optsize = sizeof(struct sctp_paddrinfo); 2633 } else { 2634 if (stcb != NULL) { 2635 SCTP_TCB_UNLOCK(stcb); 2636 } 2637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2638 error = ENOENT; 2639 } 2640 break; 2641 } 2642 case SCTP_PCB_STATUS: 2643 { 2644 struct sctp_pcbinfo *spcb; 2645 2646 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2647 sctp_fill_pcbinfo(spcb); 2648 *optsize = sizeof(struct sctp_pcbinfo); 2649 break; 2650 } 2651 case SCTP_STATUS: 2652 { 2653 struct sctp_nets *net; 2654 struct sctp_status *sstat; 2655 2656 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2657 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2658 2659 if (stcb == NULL) { 2660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2661 error = EINVAL; 2662 break; 2663 } 2664 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2665 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2666 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2667 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2668 /* 2669 * We can't include chunks that have been passed to 2670 * the socket layer. Only things in queue. 2671 */ 2672 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2673 stcb->asoc.cnt_on_all_streams); 2674 2675 2676 sstat->sstat_instrms = stcb->asoc.streamincnt; 2677 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2678 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2679 memcpy(&sstat->sstat_primary.spinfo_address, 2680 &stcb->asoc.primary_destination->ro._l_addr, 2681 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2682 net = stcb->asoc.primary_destination; 2683 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2684 /* 2685 * Again the user can get info from sctp_constants.h 2686 * for what the state of the network is. 2687 */ 2688 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2689 /* It's unconfirmed */ 2690 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2691 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2692 /* It's active */ 2693 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2694 } else { 2695 /* It's inactive */ 2696 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2697 } 2698 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2699 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2700 sstat->sstat_primary.spinfo_rto = net->RTO; 2701 sstat->sstat_primary.spinfo_mtu = net->mtu; 2702 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2703 #if defined(INET) 2704 case AF_INET: 2705 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2706 break; 2707 #endif 2708 #if defined(INET6) 2709 case AF_INET6: 2710 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2711 break; 2712 #endif 2713 default: 2714 break; 2715 } 2716 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2717 SCTP_TCB_UNLOCK(stcb); 2718 *optsize = sizeof(struct sctp_status); 2719 break; 2720 } 2721 case SCTP_RTOINFO: 2722 { 2723 struct sctp_rtoinfo *srto; 2724 2725 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2726 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2727 2728 if (stcb) { 2729 srto->srto_initial = stcb->asoc.initial_rto; 2730 srto->srto_max = stcb->asoc.maxrto; 2731 srto->srto_min = stcb->asoc.minrto; 2732 SCTP_TCB_UNLOCK(stcb); 2733 } else { 2734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2736 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2737 SCTP_INP_RLOCK(inp); 2738 srto->srto_initial = inp->sctp_ep.initial_rto; 2739 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2740 srto->srto_min = inp->sctp_ep.sctp_minrto; 2741 SCTP_INP_RUNLOCK(inp); 2742 } else { 2743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2744 error = EINVAL; 2745 } 2746 } 2747 if (error == 0) { 2748 *optsize = sizeof(struct sctp_rtoinfo); 2749 } 2750 break; 2751 } 2752 case SCTP_TIMEOUTS: 2753 { 2754 struct sctp_timeouts *stimo; 2755 2756 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2757 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2758 2759 if (stcb) { 2760 stimo->stimo_init = stcb->asoc.timoinit; 2761 stimo->stimo_data = stcb->asoc.timodata; 2762 stimo->stimo_sack = stcb->asoc.timosack; 2763 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2764 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2765 stimo->stimo_cookie = stcb->asoc.timocookie; 2766 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2767 SCTP_TCB_UNLOCK(stcb); 2768 *optsize = sizeof(struct sctp_timeouts); 2769 } else { 2770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2771 error = EINVAL; 2772 } 2773 break; 2774 } 2775 case SCTP_ASSOCINFO: 2776 { 2777 struct sctp_assocparams *sasoc; 2778 2779 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2780 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2781 2782 if (stcb) { 2783 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2784 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2785 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2786 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2787 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2788 SCTP_TCB_UNLOCK(stcb); 2789 } else { 2790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2792 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2793 SCTP_INP_RLOCK(inp); 2794 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2795 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2796 sasoc->sasoc_number_peer_destinations = 0; 2797 sasoc->sasoc_peer_rwnd = 0; 2798 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2799 SCTP_INP_RUNLOCK(inp); 2800 } else { 2801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2802 error = EINVAL; 2803 } 2804 } 2805 if (error == 0) { 2806 *optsize = sizeof(struct sctp_assocparams); 2807 } 2808 break; 2809 } 2810 case SCTP_DEFAULT_SEND_PARAM: 2811 { 2812 struct sctp_sndrcvinfo *s_info; 2813 2814 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2815 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2816 2817 if (stcb) { 2818 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2819 SCTP_TCB_UNLOCK(stcb); 2820 } else { 2821 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2822 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2823 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2824 SCTP_INP_RLOCK(inp); 2825 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2826 SCTP_INP_RUNLOCK(inp); 2827 } else { 2828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2829 error = EINVAL; 2830 } 2831 } 2832 if (error == 0) { 2833 *optsize = sizeof(struct sctp_sndrcvinfo); 2834 } 2835 break; 2836 } 2837 case SCTP_INITMSG: 2838 { 2839 struct sctp_initmsg *sinit; 2840 2841 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2842 SCTP_INP_RLOCK(inp); 2843 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2844 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2845 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2846 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2847 SCTP_INP_RUNLOCK(inp); 2848 *optsize = sizeof(struct sctp_initmsg); 2849 break; 2850 } 2851 case SCTP_PRIMARY_ADDR: 2852 /* we allow a "get" operation on this */ 2853 { 2854 struct sctp_setprim *ssp; 2855 2856 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2857 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2858 2859 if (stcb) { 2860 union sctp_sockstore *addr; 2861 2862 addr = &stcb->asoc.primary_destination->ro._l_addr; 2863 switch (addr->sa.sa_family) { 2864 #ifdef INET 2865 case AF_INET: 2866 #ifdef INET6 2867 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2868 in6_sin_2_v4mapsin6(&addr->sin, 2869 (struct sockaddr_in6 *)&ssp->ssp_addr); 2870 } else { 2871 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2872 } 2873 #else 2874 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2875 #endif 2876 break; 2877 #endif 2878 #ifdef INET6 2879 case AF_INET6: 2880 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2881 break; 2882 #endif 2883 default: 2884 break; 2885 } 2886 SCTP_TCB_UNLOCK(stcb); 2887 *optsize = sizeof(struct sctp_setprim); 2888 } else { 2889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2890 error = EINVAL; 2891 } 2892 break; 2893 } 2894 case SCTP_HMAC_IDENT: 2895 { 2896 struct sctp_hmacalgo *shmac; 2897 sctp_hmaclist_t *hmaclist; 2898 uint32_t size; 2899 int i; 2900 2901 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2902 2903 SCTP_INP_RLOCK(inp); 2904 hmaclist = inp->sctp_ep.local_hmacs; 2905 if (hmaclist == NULL) { 2906 /* no HMACs to return */ 2907 *optsize = sizeof(*shmac); 2908 SCTP_INP_RUNLOCK(inp); 2909 break; 2910 } 2911 /* is there room for all of the hmac ids? */ 2912 size = sizeof(*shmac) + (hmaclist->num_algo * 2913 sizeof(shmac->shmac_idents[0])); 2914 if ((size_t)(*optsize) < size) { 2915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2916 error = EINVAL; 2917 SCTP_INP_RUNLOCK(inp); 2918 break; 2919 } 2920 /* copy in the list */ 2921 shmac->shmac_number_of_idents = hmaclist->num_algo; 2922 for (i = 0; i < hmaclist->num_algo; i++) { 2923 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2924 } 2925 SCTP_INP_RUNLOCK(inp); 2926 *optsize = size; 2927 break; 2928 } 2929 case SCTP_AUTH_ACTIVE_KEY: 2930 { 2931 struct sctp_authkeyid *scact; 2932 2933 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2934 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2935 2936 if (stcb) { 2937 /* get the active key on the assoc */ 2938 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2939 SCTP_TCB_UNLOCK(stcb); 2940 } else { 2941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2943 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2944 /* get the endpoint active key */ 2945 SCTP_INP_RLOCK(inp); 2946 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2947 SCTP_INP_RUNLOCK(inp); 2948 } else { 2949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2950 error = EINVAL; 2951 } 2952 } 2953 if (error == 0) { 2954 *optsize = sizeof(struct sctp_authkeyid); 2955 } 2956 break; 2957 } 2958 case SCTP_LOCAL_AUTH_CHUNKS: 2959 { 2960 struct sctp_authchunks *sac; 2961 sctp_auth_chklist_t *chklist = NULL; 2962 size_t size = 0; 2963 2964 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2965 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2966 2967 if (stcb) { 2968 /* get off the assoc */ 2969 chklist = stcb->asoc.local_auth_chunks; 2970 /* is there enough space? */ 2971 size = sctp_auth_get_chklist_size(chklist); 2972 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2973 error = EINVAL; 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2975 } else { 2976 /* copy in the chunks */ 2977 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2978 sac->gauth_number_of_chunks = (uint32_t) size; 2979 *optsize = sizeof(struct sctp_authchunks) + size; 2980 } 2981 SCTP_TCB_UNLOCK(stcb); 2982 } else { 2983 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2984 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2985 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2986 /* get off the endpoint */ 2987 SCTP_INP_RLOCK(inp); 2988 chklist = inp->sctp_ep.local_auth_chunks; 2989 /* is there enough space? */ 2990 size = sctp_auth_get_chklist_size(chklist); 2991 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2992 error = EINVAL; 2993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2994 } else { 2995 /* copy in the chunks */ 2996 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2997 sac->gauth_number_of_chunks = (uint32_t) size; 2998 *optsize = sizeof(struct sctp_authchunks) + size; 2999 } 3000 SCTP_INP_RUNLOCK(inp); 3001 } else { 3002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3003 error = EINVAL; 3004 } 3005 } 3006 break; 3007 } 3008 case SCTP_PEER_AUTH_CHUNKS: 3009 { 3010 struct sctp_authchunks *sac; 3011 sctp_auth_chklist_t *chklist = NULL; 3012 size_t size = 0; 3013 3014 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3015 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3016 3017 if (stcb) { 3018 /* get off the assoc */ 3019 chklist = stcb->asoc.peer_auth_chunks; 3020 /* is there enough space? */ 3021 size = sctp_auth_get_chklist_size(chklist); 3022 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3023 error = EINVAL; 3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3025 } else { 3026 /* copy in the chunks */ 3027 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3028 sac->gauth_number_of_chunks = (uint32_t) size; 3029 *optsize = sizeof(struct sctp_authchunks) + size; 3030 } 3031 SCTP_TCB_UNLOCK(stcb); 3032 } else { 3033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3034 error = ENOENT; 3035 } 3036 break; 3037 } 3038 case SCTP_EVENT: 3039 { 3040 struct sctp_event *event; 3041 uint32_t event_type; 3042 3043 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3044 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3045 3046 switch (event->se_type) { 3047 case SCTP_ASSOC_CHANGE: 3048 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3049 break; 3050 case SCTP_PEER_ADDR_CHANGE: 3051 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3052 break; 3053 case SCTP_REMOTE_ERROR: 3054 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3055 break; 3056 case SCTP_SEND_FAILED: 3057 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3058 break; 3059 case SCTP_SHUTDOWN_EVENT: 3060 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3061 break; 3062 case SCTP_ADAPTATION_INDICATION: 3063 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3064 break; 3065 case SCTP_PARTIAL_DELIVERY_EVENT: 3066 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3067 break; 3068 case SCTP_AUTHENTICATION_EVENT: 3069 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3070 break; 3071 case SCTP_STREAM_RESET_EVENT: 3072 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3073 break; 3074 case SCTP_SENDER_DRY_EVENT: 3075 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3076 break; 3077 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3078 event_type = 0; 3079 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3080 error = ENOTSUP; 3081 break; 3082 case SCTP_ASSOC_RESET_EVENT: 3083 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3084 break; 3085 case SCTP_STREAM_CHANGE_EVENT: 3086 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3087 break; 3088 case SCTP_SEND_FAILED_EVENT: 3089 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3090 break; 3091 default: 3092 event_type = 0; 3093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3094 error = EINVAL; 3095 break; 3096 } 3097 if (event_type > 0) { 3098 if (stcb) { 3099 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3100 SCTP_TCB_UNLOCK(stcb); 3101 } else { 3102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3104 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3105 SCTP_INP_RLOCK(inp); 3106 event->se_on = sctp_is_feature_on(inp, event_type); 3107 SCTP_INP_RUNLOCK(inp); 3108 } else { 3109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3110 error = EINVAL; 3111 } 3112 } 3113 } 3114 if (error == 0) { 3115 *optsize = sizeof(struct sctp_event); 3116 } 3117 break; 3118 } 3119 case SCTP_RECVRCVINFO: 3120 { 3121 int onoff; 3122 3123 if (*optsize < sizeof(int)) { 3124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3125 error = EINVAL; 3126 } else { 3127 SCTP_INP_RLOCK(inp); 3128 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3129 SCTP_INP_RUNLOCK(inp); 3130 } 3131 if (error == 0) { 3132 /* return the option value */ 3133 *(int *)optval = onoff; 3134 *optsize = sizeof(int); 3135 } 3136 break; 3137 } 3138 case SCTP_RECVNXTINFO: 3139 { 3140 int onoff; 3141 3142 if (*optsize < sizeof(int)) { 3143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3144 error = EINVAL; 3145 } else { 3146 SCTP_INP_RLOCK(inp); 3147 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3148 SCTP_INP_RUNLOCK(inp); 3149 } 3150 if (error == 0) { 3151 /* return the option value */ 3152 *(int *)optval = onoff; 3153 *optsize = sizeof(int); 3154 } 3155 break; 3156 } 3157 case SCTP_DEFAULT_SNDINFO: 3158 { 3159 struct sctp_sndinfo *info; 3160 3161 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3162 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3163 3164 if (stcb) { 3165 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3166 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3167 info->snd_flags &= 0xfff0; 3168 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3169 info->snd_context = stcb->asoc.def_send.sinfo_context; 3170 SCTP_TCB_UNLOCK(stcb); 3171 } else { 3172 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3173 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3174 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3175 SCTP_INP_RLOCK(inp); 3176 info->snd_sid = inp->def_send.sinfo_stream; 3177 info->snd_flags = inp->def_send.sinfo_flags; 3178 info->snd_flags &= 0xfff0; 3179 info->snd_ppid = inp->def_send.sinfo_ppid; 3180 info->snd_context = inp->def_send.sinfo_context; 3181 SCTP_INP_RUNLOCK(inp); 3182 } else { 3183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3184 error = EINVAL; 3185 } 3186 } 3187 if (error == 0) { 3188 *optsize = sizeof(struct sctp_sndinfo); 3189 } 3190 break; 3191 } 3192 case SCTP_DEFAULT_PRINFO: 3193 { 3194 struct sctp_default_prinfo *info; 3195 3196 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3197 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3198 3199 if (stcb) { 3200 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3201 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3202 SCTP_TCB_UNLOCK(stcb); 3203 } else { 3204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3205 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3206 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3207 SCTP_INP_RLOCK(inp); 3208 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3209 info->pr_value = inp->def_send.sinfo_timetolive; 3210 SCTP_INP_RUNLOCK(inp); 3211 } else { 3212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3213 error = EINVAL; 3214 } 3215 } 3216 if (error == 0) { 3217 *optsize = sizeof(struct sctp_default_prinfo); 3218 } 3219 break; 3220 } 3221 case SCTP_PEER_ADDR_THLDS: 3222 { 3223 struct sctp_paddrthlds *thlds; 3224 struct sctp_nets *net; 3225 struct sockaddr *addr; 3226 3227 #if defined(INET) && defined(INET6) 3228 struct sockaddr_in sin_store; 3229 3230 #endif 3231 3232 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3233 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3234 3235 #if defined(INET) && defined(INET6) 3236 if (thlds->spt_address.ss_family == AF_INET6) { 3237 struct sockaddr_in6 *sin6; 3238 3239 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3240 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3241 in6_sin6_2_sin(&sin_store, sin6); 3242 addr = (struct sockaddr *)&sin_store; 3243 } else { 3244 addr = (struct sockaddr *)&thlds->spt_address; 3245 } 3246 } else { 3247 addr = (struct sockaddr *)&thlds->spt_address; 3248 } 3249 #else 3250 addr = (struct sockaddr *)&thlds->spt_address; 3251 #endif 3252 if (stcb != NULL) { 3253 net = sctp_findnet(stcb, addr); 3254 } else { 3255 /* 3256 * We increment here since 3257 * sctp_findassociation_ep_addr() wil do a 3258 * decrement if it finds the stcb as long as 3259 * the locked tcb (last argument) is NOT a 3260 * TCB.. aka NULL. 3261 */ 3262 net = NULL; 3263 SCTP_INP_INCR_REF(inp); 3264 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3265 if (stcb == NULL) { 3266 SCTP_INP_DECR_REF(inp); 3267 } 3268 } 3269 if ((stcb != NULL) && (net == NULL)) { 3270 #ifdef INET 3271 if (addr->sa_family == AF_INET) { 3272 struct sockaddr_in *sin; 3273 3274 sin = (struct sockaddr_in *)addr; 3275 if (sin->sin_addr.s_addr != INADDR_ANY) { 3276 error = EINVAL; 3277 SCTP_TCB_UNLOCK(stcb); 3278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3279 break; 3280 } 3281 } else 3282 #endif 3283 #ifdef INET6 3284 if (addr->sa_family == AF_INET6) { 3285 struct sockaddr_in6 *sin6; 3286 3287 sin6 = (struct sockaddr_in6 *)addr; 3288 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3289 error = EINVAL; 3290 SCTP_TCB_UNLOCK(stcb); 3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3292 break; 3293 } 3294 } else 3295 #endif 3296 { 3297 error = EAFNOSUPPORT; 3298 SCTP_TCB_UNLOCK(stcb); 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3300 break; 3301 } 3302 } 3303 if (stcb != NULL) { 3304 if (net != NULL) { 3305 thlds->spt_pathmaxrxt = net->failure_threshold; 3306 thlds->spt_pathpfthld = net->pf_threshold; 3307 } else { 3308 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3309 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3310 } 3311 thlds->spt_assoc_id = sctp_get_associd(stcb); 3312 SCTP_TCB_UNLOCK(stcb); 3313 } else { 3314 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3315 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3316 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3317 /* Use endpoint defaults */ 3318 SCTP_INP_RLOCK(inp); 3319 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3320 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3321 SCTP_INP_RUNLOCK(inp); 3322 } else { 3323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3324 error = EINVAL; 3325 } 3326 } 3327 if (error == 0) { 3328 *optsize = sizeof(struct sctp_paddrthlds); 3329 } 3330 break; 3331 } 3332 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3333 { 3334 struct sctp_udpencaps *encaps; 3335 struct sctp_nets *net; 3336 struct sockaddr *addr; 3337 3338 #if defined(INET) && defined(INET6) 3339 struct sockaddr_in sin_store; 3340 3341 #endif 3342 3343 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3344 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3345 3346 #if defined(INET) && defined(INET6) 3347 if (encaps->sue_address.ss_family == AF_INET6) { 3348 struct sockaddr_in6 *sin6; 3349 3350 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3351 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3352 in6_sin6_2_sin(&sin_store, sin6); 3353 addr = (struct sockaddr *)&sin_store; 3354 } else { 3355 addr = (struct sockaddr *)&encaps->sue_address; 3356 } 3357 } else { 3358 addr = (struct sockaddr *)&encaps->sue_address; 3359 } 3360 #else 3361 addr = (struct sockaddr *)&encaps->sue_address; 3362 #endif 3363 if (stcb) { 3364 net = sctp_findnet(stcb, addr); 3365 } else { 3366 /* 3367 * We increment here since 3368 * sctp_findassociation_ep_addr() wil do a 3369 * decrement if it finds the stcb as long as 3370 * the locked tcb (last argument) is NOT a 3371 * TCB.. aka NULL. 3372 */ 3373 net = NULL; 3374 SCTP_INP_INCR_REF(inp); 3375 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3376 if (stcb == NULL) { 3377 SCTP_INP_DECR_REF(inp); 3378 } 3379 } 3380 if ((stcb != NULL) && (net == NULL)) { 3381 #ifdef INET 3382 if (addr->sa_family == AF_INET) { 3383 struct sockaddr_in *sin; 3384 3385 sin = (struct sockaddr_in *)addr; 3386 if (sin->sin_addr.s_addr != INADDR_ANY) { 3387 error = EINVAL; 3388 SCTP_TCB_UNLOCK(stcb); 3389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3390 break; 3391 } 3392 } else 3393 #endif 3394 #ifdef INET6 3395 if (addr->sa_family == AF_INET6) { 3396 struct sockaddr_in6 *sin6; 3397 3398 sin6 = (struct sockaddr_in6 *)addr; 3399 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3400 error = EINVAL; 3401 SCTP_TCB_UNLOCK(stcb); 3402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3403 break; 3404 } 3405 } else 3406 #endif 3407 { 3408 error = EAFNOSUPPORT; 3409 SCTP_TCB_UNLOCK(stcb); 3410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3411 break; 3412 } 3413 } 3414 if (stcb != NULL) { 3415 if (net) { 3416 encaps->sue_port = net->port; 3417 } else { 3418 encaps->sue_port = stcb->asoc.port; 3419 } 3420 SCTP_TCB_UNLOCK(stcb); 3421 } else { 3422 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3423 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3424 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3425 SCTP_INP_RLOCK(inp); 3426 encaps->sue_port = inp->sctp_ep.port; 3427 SCTP_INP_RUNLOCK(inp); 3428 } else { 3429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3430 error = EINVAL; 3431 } 3432 } 3433 if (error == 0) { 3434 *optsize = sizeof(struct sctp_udpencaps); 3435 } 3436 break; 3437 } 3438 case SCTP_ECN_SUPPORTED: 3439 { 3440 struct sctp_assoc_value *av; 3441 3442 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3443 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3444 3445 if (stcb) { 3446 av->assoc_value = stcb->asoc.ecn_supported; 3447 SCTP_TCB_UNLOCK(stcb); 3448 } else { 3449 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3450 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3451 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3452 SCTP_INP_RLOCK(inp); 3453 av->assoc_value = inp->ecn_supported; 3454 SCTP_INP_RUNLOCK(inp); 3455 } else { 3456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3457 error = EINVAL; 3458 } 3459 } 3460 if (error == 0) { 3461 *optsize = sizeof(struct sctp_assoc_value); 3462 } 3463 break; 3464 } 3465 case SCTP_PR_SUPPORTED: 3466 { 3467 struct sctp_assoc_value *av; 3468 3469 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3470 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3471 3472 if (stcb) { 3473 av->assoc_value = stcb->asoc.prsctp_supported; 3474 SCTP_TCB_UNLOCK(stcb); 3475 } else { 3476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3477 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3478 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3479 SCTP_INP_RLOCK(inp); 3480 av->assoc_value = inp->prsctp_supported; 3481 SCTP_INP_RUNLOCK(inp); 3482 } else { 3483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3484 error = EINVAL; 3485 } 3486 } 3487 if (error == 0) { 3488 *optsize = sizeof(struct sctp_assoc_value); 3489 } 3490 break; 3491 } 3492 case SCTP_AUTH_SUPPORTED: 3493 { 3494 struct sctp_assoc_value *av; 3495 3496 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3497 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3498 3499 if (stcb) { 3500 av->assoc_value = stcb->asoc.auth_supported; 3501 SCTP_TCB_UNLOCK(stcb); 3502 } else { 3503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3505 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3506 SCTP_INP_RLOCK(inp); 3507 av->assoc_value = inp->auth_supported; 3508 SCTP_INP_RUNLOCK(inp); 3509 } else { 3510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3511 error = EINVAL; 3512 } 3513 } 3514 if (error == 0) { 3515 *optsize = sizeof(struct sctp_assoc_value); 3516 } 3517 break; 3518 } 3519 case SCTP_ASCONF_SUPPORTED: 3520 { 3521 struct sctp_assoc_value *av; 3522 3523 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3524 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3525 3526 if (stcb) { 3527 av->assoc_value = stcb->asoc.asconf_supported; 3528 SCTP_TCB_UNLOCK(stcb); 3529 } else { 3530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3532 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3533 SCTP_INP_RLOCK(inp); 3534 av->assoc_value = inp->asconf_supported; 3535 SCTP_INP_RUNLOCK(inp); 3536 } else { 3537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3538 error = EINVAL; 3539 } 3540 } 3541 if (error == 0) { 3542 *optsize = sizeof(struct sctp_assoc_value); 3543 } 3544 break; 3545 } 3546 case SCTP_RECONFIG_SUPPORTED: 3547 { 3548 struct sctp_assoc_value *av; 3549 3550 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3551 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3552 3553 if (stcb) { 3554 av->assoc_value = stcb->asoc.reconfig_supported; 3555 SCTP_TCB_UNLOCK(stcb); 3556 } else { 3557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3559 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3560 SCTP_INP_RLOCK(inp); 3561 av->assoc_value = inp->reconfig_supported; 3562 SCTP_INP_RUNLOCK(inp); 3563 } else { 3564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3565 error = EINVAL; 3566 } 3567 } 3568 if (error == 0) { 3569 *optsize = sizeof(struct sctp_assoc_value); 3570 } 3571 break; 3572 } 3573 case SCTP_NRSACK_SUPPORTED: 3574 { 3575 struct sctp_assoc_value *av; 3576 3577 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3578 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3579 3580 if (stcb) { 3581 av->assoc_value = stcb->asoc.nrsack_supported; 3582 SCTP_TCB_UNLOCK(stcb); 3583 } else { 3584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3586 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3587 SCTP_INP_RLOCK(inp); 3588 av->assoc_value = inp->nrsack_supported; 3589 SCTP_INP_RUNLOCK(inp); 3590 } else { 3591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3592 error = EINVAL; 3593 } 3594 } 3595 if (error == 0) { 3596 *optsize = sizeof(struct sctp_assoc_value); 3597 } 3598 break; 3599 } 3600 case SCTP_PKTDROP_SUPPORTED: 3601 { 3602 struct sctp_assoc_value *av; 3603 3604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3606 3607 if (stcb) { 3608 av->assoc_value = stcb->asoc.pktdrop_supported; 3609 SCTP_TCB_UNLOCK(stcb); 3610 } else { 3611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3613 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3614 SCTP_INP_RLOCK(inp); 3615 av->assoc_value = inp->pktdrop_supported; 3616 SCTP_INP_RUNLOCK(inp); 3617 } else { 3618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3619 error = EINVAL; 3620 } 3621 } 3622 if (error == 0) { 3623 *optsize = sizeof(struct sctp_assoc_value); 3624 } 3625 break; 3626 } 3627 case SCTP_ENABLE_STREAM_RESET: 3628 { 3629 struct sctp_assoc_value *av; 3630 3631 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3632 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3633 3634 if (stcb) { 3635 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3636 SCTP_TCB_UNLOCK(stcb); 3637 } else { 3638 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3639 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3640 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3641 SCTP_INP_RLOCK(inp); 3642 av->assoc_value = (uint32_t) inp->local_strreset_support; 3643 SCTP_INP_RUNLOCK(inp); 3644 } else { 3645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3646 error = EINVAL; 3647 } 3648 } 3649 if (error == 0) { 3650 *optsize = sizeof(struct sctp_assoc_value); 3651 } 3652 break; 3653 } 3654 case SCTP_PR_STREAM_STATUS: 3655 { 3656 struct sctp_prstatus *sprstat; 3657 uint16_t sid; 3658 uint16_t policy; 3659 3660 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3661 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3662 3663 sid = sprstat->sprstat_sid; 3664 policy = sprstat->sprstat_policy; 3665 #if defined(SCTP_DETAILED_STR_STATS) 3666 if ((stcb != NULL) && 3667 (sid < stcb->asoc.streamoutcnt) && 3668 (policy != SCTP_PR_SCTP_NONE) && 3669 ((policy <= SCTP_PR_SCTP_MAX) || 3670 (policy == SCTP_PR_SCTP_ALL))) { 3671 if (policy == SCTP_PR_SCTP_ALL) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3674 } else { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3677 } 3678 #else 3679 if ((stcb != NULL) && 3680 (sid < stcb->asoc.streamoutcnt) && 3681 (policy == SCTP_PR_SCTP_ALL)) { 3682 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3683 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3684 #endif 3685 SCTP_TCB_UNLOCK(stcb); 3686 *optsize = sizeof(struct sctp_prstatus); 3687 } else { 3688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3689 error = EINVAL; 3690 } 3691 break; 3692 } 3693 case SCTP_PR_ASSOC_STATUS: 3694 { 3695 struct sctp_prstatus *sprstat; 3696 uint16_t policy; 3697 3698 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3699 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3700 3701 policy = sprstat->sprstat_policy; 3702 if ((stcb != NULL) && 3703 (policy != SCTP_PR_SCTP_NONE) && 3704 ((policy <= SCTP_PR_SCTP_MAX) || 3705 (policy == SCTP_PR_SCTP_ALL))) { 3706 if (policy == SCTP_PR_SCTP_ALL) { 3707 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3708 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3709 } else { 3710 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3711 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3712 } 3713 SCTP_TCB_UNLOCK(stcb); 3714 *optsize = sizeof(struct sctp_prstatus); 3715 } else { 3716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3717 error = EINVAL; 3718 } 3719 break; 3720 } 3721 case SCTP_MAX_CWND: 3722 { 3723 struct sctp_assoc_value *av; 3724 3725 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3726 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3727 3728 if (stcb) { 3729 av->assoc_value = stcb->asoc.max_cwnd; 3730 SCTP_TCB_UNLOCK(stcb); 3731 } else { 3732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3733 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3734 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3735 SCTP_INP_RLOCK(inp); 3736 av->assoc_value = inp->max_cwnd; 3737 SCTP_INP_RUNLOCK(inp); 3738 } else { 3739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3740 error = EINVAL; 3741 } 3742 } 3743 if (error == 0) { 3744 *optsize = sizeof(struct sctp_assoc_value); 3745 } 3746 break; 3747 } 3748 default: 3749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3750 error = ENOPROTOOPT; 3751 break; 3752 } /* end switch (sopt->sopt_name) */ 3753 if (error) { 3754 *optsize = 0; 3755 } 3756 return (error); 3757 } 3758 3759 static int 3760 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3761 void *p) 3762 { 3763 int error, set_opt; 3764 uint32_t *mopt; 3765 struct sctp_tcb *stcb = NULL; 3766 struct sctp_inpcb *inp = NULL; 3767 uint32_t vrf_id; 3768 3769 if (optval == NULL) { 3770 SCTP_PRINTF("optval is NULL\n"); 3771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3772 return (EINVAL); 3773 } 3774 inp = (struct sctp_inpcb *)so->so_pcb; 3775 if (inp == NULL) { 3776 SCTP_PRINTF("inp is NULL?\n"); 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3778 return (EINVAL); 3779 } 3780 vrf_id = inp->def_vrf_id; 3781 3782 error = 0; 3783 switch (optname) { 3784 case SCTP_NODELAY: 3785 case SCTP_AUTOCLOSE: 3786 case SCTP_AUTO_ASCONF: 3787 case SCTP_EXPLICIT_EOR: 3788 case SCTP_DISABLE_FRAGMENTS: 3789 case SCTP_USE_EXT_RCVINFO: 3790 case SCTP_I_WANT_MAPPED_V4_ADDR: 3791 /* copy in the option value */ 3792 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3793 set_opt = 0; 3794 if (error) 3795 break; 3796 switch (optname) { 3797 case SCTP_DISABLE_FRAGMENTS: 3798 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3799 break; 3800 case SCTP_AUTO_ASCONF: 3801 /* 3802 * NOTE: we don't really support this flag 3803 */ 3804 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3805 /* only valid for bound all sockets */ 3806 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3807 (*mopt != 0)) { 3808 /* forbidden by admin */ 3809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3810 return (EPERM); 3811 } 3812 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3813 } else { 3814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3815 return (EINVAL); 3816 } 3817 break; 3818 case SCTP_EXPLICIT_EOR: 3819 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3820 break; 3821 case SCTP_USE_EXT_RCVINFO: 3822 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3823 break; 3824 case SCTP_I_WANT_MAPPED_V4_ADDR: 3825 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3826 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3827 } else { 3828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3829 return (EINVAL); 3830 } 3831 break; 3832 case SCTP_NODELAY: 3833 set_opt = SCTP_PCB_FLAGS_NODELAY; 3834 break; 3835 case SCTP_AUTOCLOSE: 3836 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3837 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3839 return (EINVAL); 3840 } 3841 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3842 /* 3843 * The value is in ticks. Note this does not effect 3844 * old associations, only new ones. 3845 */ 3846 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3847 break; 3848 } 3849 SCTP_INP_WLOCK(inp); 3850 if (*mopt != 0) { 3851 sctp_feature_on(inp, set_opt); 3852 } else { 3853 sctp_feature_off(inp, set_opt); 3854 } 3855 SCTP_INP_WUNLOCK(inp); 3856 break; 3857 case SCTP_REUSE_PORT: 3858 { 3859 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3860 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3861 /* Can't set it after we are bound */ 3862 error = EINVAL; 3863 break; 3864 } 3865 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3866 /* Can't do this for a 1-m socket */ 3867 error = EINVAL; 3868 break; 3869 } 3870 if (optval) 3871 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3872 else 3873 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3874 break; 3875 } 3876 case SCTP_PARTIAL_DELIVERY_POINT: 3877 { 3878 uint32_t *value; 3879 3880 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3881 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3883 error = EINVAL; 3884 break; 3885 } 3886 inp->partial_delivery_point = *value; 3887 break; 3888 } 3889 case SCTP_FRAGMENT_INTERLEAVE: 3890 /* not yet until we re-write sctp_recvmsg() */ 3891 { 3892 uint32_t *level; 3893 3894 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3895 if (*level == SCTP_FRAG_LEVEL_2) { 3896 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3897 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3898 } else if (*level == SCTP_FRAG_LEVEL_1) { 3899 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3900 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3901 } else if (*level == SCTP_FRAG_LEVEL_0) { 3902 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3903 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3904 3905 } else { 3906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3907 error = EINVAL; 3908 } 3909 break; 3910 } 3911 case SCTP_INTERLEAVING_SUPPORTED: 3912 { 3913 struct sctp_assoc_value *av; 3914 3915 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3916 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3917 3918 if (stcb) { 3919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3920 error = EINVAL; 3921 SCTP_TCB_UNLOCK(stcb); 3922 } else { 3923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3925 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3926 SCTP_INP_WLOCK(inp); 3927 if (av->assoc_value == 0) { 3928 inp->idata_supported = 0; 3929 } else { 3930 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3931 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3932 inp->idata_supported = 1; 3933 } else { 3934 /* 3935 * Must have Frag 3936 * interleave and 3937 * stream interleave 3938 * on 3939 */ 3940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3941 error = EINVAL; 3942 } 3943 } 3944 SCTP_INP_WUNLOCK(inp); 3945 } else { 3946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3947 error = EINVAL; 3948 } 3949 } 3950 break; 3951 } 3952 case SCTP_CMT_ON_OFF: 3953 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3954 struct sctp_assoc_value *av; 3955 3956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3957 if (av->assoc_value > SCTP_CMT_MAX) { 3958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3959 error = EINVAL; 3960 break; 3961 } 3962 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3963 if (stcb) { 3964 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3965 SCTP_TCB_UNLOCK(stcb); 3966 } else { 3967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3968 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3969 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3970 (av->assoc_id == SCTP_ALL_ASSOC)) { 3971 SCTP_INP_WLOCK(inp); 3972 inp->sctp_cmt_on_off = av->assoc_value; 3973 SCTP_INP_WUNLOCK(inp); 3974 } 3975 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3976 (av->assoc_id == SCTP_ALL_ASSOC)) { 3977 SCTP_INP_RLOCK(inp); 3978 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3979 SCTP_TCB_LOCK(stcb); 3980 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3981 SCTP_TCB_UNLOCK(stcb); 3982 } 3983 SCTP_INP_RUNLOCK(inp); 3984 } 3985 } 3986 } else { 3987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3988 error = ENOPROTOOPT; 3989 } 3990 break; 3991 case SCTP_PLUGGABLE_CC: 3992 { 3993 struct sctp_assoc_value *av; 3994 struct sctp_nets *net; 3995 3996 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3997 if ((av->assoc_value != SCTP_CC_RFC2581) && 3998 (av->assoc_value != SCTP_CC_HSTCP) && 3999 (av->assoc_value != SCTP_CC_HTCP) && 4000 (av->assoc_value != SCTP_CC_RTCC)) { 4001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4002 error = EINVAL; 4003 break; 4004 } 4005 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4006 if (stcb) { 4007 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4008 stcb->asoc.congestion_control_module = av->assoc_value; 4009 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4010 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4011 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4012 } 4013 } 4014 SCTP_TCB_UNLOCK(stcb); 4015 } else { 4016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4018 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4019 (av->assoc_id == SCTP_ALL_ASSOC)) { 4020 SCTP_INP_WLOCK(inp); 4021 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4022 SCTP_INP_WUNLOCK(inp); 4023 } 4024 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4025 (av->assoc_id == SCTP_ALL_ASSOC)) { 4026 SCTP_INP_RLOCK(inp); 4027 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4028 SCTP_TCB_LOCK(stcb); 4029 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4030 stcb->asoc.congestion_control_module = av->assoc_value; 4031 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4032 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4033 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4034 } 4035 } 4036 SCTP_TCB_UNLOCK(stcb); 4037 } 4038 SCTP_INP_RUNLOCK(inp); 4039 } 4040 } 4041 break; 4042 } 4043 case SCTP_CC_OPTION: 4044 { 4045 struct sctp_cc_option *cc_opt; 4046 4047 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4048 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4049 if (stcb == NULL) { 4050 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4051 SCTP_INP_RLOCK(inp); 4052 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4053 SCTP_TCB_LOCK(stcb); 4054 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4055 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4056 } 4057 SCTP_TCB_UNLOCK(stcb); 4058 } 4059 SCTP_INP_RUNLOCK(inp); 4060 } else { 4061 error = EINVAL; 4062 } 4063 } else { 4064 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4065 error = ENOTSUP; 4066 } else { 4067 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4068 cc_opt); 4069 } 4070 SCTP_TCB_UNLOCK(stcb); 4071 } 4072 break; 4073 } 4074 case SCTP_PLUGGABLE_SS: 4075 { 4076 struct sctp_assoc_value *av; 4077 4078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4079 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4080 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4081 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4082 (av->assoc_value != SCTP_SS_PRIORITY) && 4083 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4084 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4086 error = EINVAL; 4087 break; 4088 } 4089 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4090 if (stcb) { 4091 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4092 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4093 stcb->asoc.stream_scheduling_module = av->assoc_value; 4094 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4095 SCTP_TCB_UNLOCK(stcb); 4096 } else { 4097 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4098 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4099 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4100 (av->assoc_id == SCTP_ALL_ASSOC)) { 4101 SCTP_INP_WLOCK(inp); 4102 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4103 SCTP_INP_WUNLOCK(inp); 4104 } 4105 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4106 (av->assoc_id == SCTP_ALL_ASSOC)) { 4107 SCTP_INP_RLOCK(inp); 4108 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4109 SCTP_TCB_LOCK(stcb); 4110 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4111 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4112 stcb->asoc.stream_scheduling_module = av->assoc_value; 4113 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4114 SCTP_TCB_UNLOCK(stcb); 4115 } 4116 SCTP_INP_RUNLOCK(inp); 4117 } 4118 } 4119 break; 4120 } 4121 case SCTP_SS_VALUE: 4122 { 4123 struct sctp_stream_value *av; 4124 4125 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4126 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4127 if (stcb) { 4128 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4129 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4130 av->stream_value) < 0)) { 4131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4132 error = EINVAL; 4133 } 4134 SCTP_TCB_UNLOCK(stcb); 4135 } else { 4136 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4137 SCTP_INP_RLOCK(inp); 4138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4139 SCTP_TCB_LOCK(stcb); 4140 if (av->stream_id < stcb->asoc.streamoutcnt) { 4141 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4142 &stcb->asoc, 4143 &stcb->asoc.strmout[av->stream_id], 4144 av->stream_value); 4145 } 4146 SCTP_TCB_UNLOCK(stcb); 4147 } 4148 SCTP_INP_RUNLOCK(inp); 4149 } else { 4150 /* 4151 * Can't set stream value without 4152 * association 4153 */ 4154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4155 error = EINVAL; 4156 } 4157 } 4158 break; 4159 } 4160 case SCTP_CLR_STAT_LOG: 4161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4162 error = EOPNOTSUPP; 4163 break; 4164 case SCTP_CONTEXT: 4165 { 4166 struct sctp_assoc_value *av; 4167 4168 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4169 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4170 4171 if (stcb) { 4172 stcb->asoc.context = av->assoc_value; 4173 SCTP_TCB_UNLOCK(stcb); 4174 } else { 4175 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4176 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4177 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4178 (av->assoc_id == SCTP_ALL_ASSOC)) { 4179 SCTP_INP_WLOCK(inp); 4180 inp->sctp_context = av->assoc_value; 4181 SCTP_INP_WUNLOCK(inp); 4182 } 4183 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4184 (av->assoc_id == SCTP_ALL_ASSOC)) { 4185 SCTP_INP_RLOCK(inp); 4186 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4187 SCTP_TCB_LOCK(stcb); 4188 stcb->asoc.context = av->assoc_value; 4189 SCTP_TCB_UNLOCK(stcb); 4190 } 4191 SCTP_INP_RUNLOCK(inp); 4192 } 4193 } 4194 break; 4195 } 4196 case SCTP_VRF_ID: 4197 { 4198 uint32_t *default_vrfid; 4199 4200 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4201 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4203 error = EINVAL; 4204 break; 4205 } 4206 inp->def_vrf_id = *default_vrfid; 4207 break; 4208 } 4209 case SCTP_DEL_VRF_ID: 4210 { 4211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4212 error = EOPNOTSUPP; 4213 break; 4214 } 4215 case SCTP_ADD_VRF_ID: 4216 { 4217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4218 error = EOPNOTSUPP; 4219 break; 4220 } 4221 case SCTP_DELAYED_SACK: 4222 { 4223 struct sctp_sack_info *sack; 4224 4225 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4226 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4227 if (sack->sack_delay) { 4228 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4229 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4230 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4231 sack->sack_delay = TICKS_TO_MSEC(1); 4232 } 4233 } 4234 if (stcb) { 4235 if (sack->sack_delay) { 4236 stcb->asoc.delayed_ack = sack->sack_delay; 4237 } 4238 if (sack->sack_freq) { 4239 stcb->asoc.sack_freq = sack->sack_freq; 4240 } 4241 SCTP_TCB_UNLOCK(stcb); 4242 } else { 4243 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4244 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4245 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4246 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4247 SCTP_INP_WLOCK(inp); 4248 if (sack->sack_delay) { 4249 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4250 } 4251 if (sack->sack_freq) { 4252 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4253 } 4254 SCTP_INP_WUNLOCK(inp); 4255 } 4256 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4257 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4258 SCTP_INP_RLOCK(inp); 4259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4260 SCTP_TCB_LOCK(stcb); 4261 if (sack->sack_delay) { 4262 stcb->asoc.delayed_ack = sack->sack_delay; 4263 } 4264 if (sack->sack_freq) { 4265 stcb->asoc.sack_freq = sack->sack_freq; 4266 } 4267 SCTP_TCB_UNLOCK(stcb); 4268 } 4269 SCTP_INP_RUNLOCK(inp); 4270 } 4271 } 4272 break; 4273 } 4274 case SCTP_AUTH_CHUNK: 4275 { 4276 struct sctp_authchunk *sauth; 4277 4278 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4279 4280 SCTP_INP_WLOCK(inp); 4281 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4283 error = EINVAL; 4284 } 4285 SCTP_INP_WUNLOCK(inp); 4286 break; 4287 } 4288 case SCTP_AUTH_KEY: 4289 { 4290 struct sctp_authkey *sca; 4291 struct sctp_keyhead *shared_keys; 4292 sctp_sharedkey_t *shared_key; 4293 sctp_key_t *key = NULL; 4294 size_t size; 4295 4296 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4297 if (sca->sca_keylength == 0) { 4298 size = optsize - sizeof(struct sctp_authkey); 4299 } else { 4300 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4301 size = sca->sca_keylength; 4302 } else { 4303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4304 error = EINVAL; 4305 break; 4306 } 4307 } 4308 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4309 4310 if (stcb) { 4311 shared_keys = &stcb->asoc.shared_keys; 4312 /* clear the cached keys for this key id */ 4313 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4314 /* 4315 * create the new shared key and 4316 * insert/replace it 4317 */ 4318 if (size > 0) { 4319 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4320 if (key == NULL) { 4321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4322 error = ENOMEM; 4323 SCTP_TCB_UNLOCK(stcb); 4324 break; 4325 } 4326 } 4327 shared_key = sctp_alloc_sharedkey(); 4328 if (shared_key == NULL) { 4329 sctp_free_key(key); 4330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4331 error = ENOMEM; 4332 SCTP_TCB_UNLOCK(stcb); 4333 break; 4334 } 4335 shared_key->key = key; 4336 shared_key->keyid = sca->sca_keynumber; 4337 error = sctp_insert_sharedkey(shared_keys, shared_key); 4338 SCTP_TCB_UNLOCK(stcb); 4339 } else { 4340 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4341 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4342 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4343 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4344 SCTP_INP_WLOCK(inp); 4345 shared_keys = &inp->sctp_ep.shared_keys; 4346 /* 4347 * clear the cached keys on all 4348 * assocs for this key id 4349 */ 4350 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4351 /* 4352 * create the new shared key and 4353 * insert/replace it 4354 */ 4355 if (size > 0) { 4356 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4357 if (key == NULL) { 4358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4359 error = ENOMEM; 4360 SCTP_INP_WUNLOCK(inp); 4361 break; 4362 } 4363 } 4364 shared_key = sctp_alloc_sharedkey(); 4365 if (shared_key == NULL) { 4366 sctp_free_key(key); 4367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4368 error = ENOMEM; 4369 SCTP_INP_WUNLOCK(inp); 4370 break; 4371 } 4372 shared_key->key = key; 4373 shared_key->keyid = sca->sca_keynumber; 4374 error = sctp_insert_sharedkey(shared_keys, shared_key); 4375 SCTP_INP_WUNLOCK(inp); 4376 } 4377 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4378 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4379 SCTP_INP_RLOCK(inp); 4380 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4381 SCTP_TCB_LOCK(stcb); 4382 shared_keys = &stcb->asoc.shared_keys; 4383 /* 4384 * clear the cached keys for 4385 * this key id 4386 */ 4387 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4388 /* 4389 * create the new shared key 4390 * and insert/replace it 4391 */ 4392 if (size > 0) { 4393 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4394 if (key == NULL) { 4395 SCTP_TCB_UNLOCK(stcb); 4396 continue; 4397 } 4398 } 4399 shared_key = sctp_alloc_sharedkey(); 4400 if (shared_key == NULL) { 4401 sctp_free_key(key); 4402 SCTP_TCB_UNLOCK(stcb); 4403 continue; 4404 } 4405 shared_key->key = key; 4406 shared_key->keyid = sca->sca_keynumber; 4407 error = sctp_insert_sharedkey(shared_keys, shared_key); 4408 SCTP_TCB_UNLOCK(stcb); 4409 } 4410 SCTP_INP_RUNLOCK(inp); 4411 } 4412 } 4413 break; 4414 } 4415 case SCTP_HMAC_IDENT: 4416 { 4417 struct sctp_hmacalgo *shmac; 4418 sctp_hmaclist_t *hmaclist; 4419 uint16_t hmacid; 4420 uint32_t i; 4421 4422 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4423 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4424 (shmac->shmac_number_of_idents > 0xffff)) { 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4426 error = EINVAL; 4427 break; 4428 } 4429 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4430 if (hmaclist == NULL) { 4431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4432 error = ENOMEM; 4433 break; 4434 } 4435 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4436 hmacid = shmac->shmac_idents[i]; 4437 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4438 /* invalid HMACs were found */ ; 4439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4440 error = EINVAL; 4441 sctp_free_hmaclist(hmaclist); 4442 goto sctp_set_hmac_done; 4443 } 4444 } 4445 for (i = 0; i < hmaclist->num_algo; i++) { 4446 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4447 /* already in list */ 4448 break; 4449 } 4450 } 4451 if (i == hmaclist->num_algo) { 4452 /* not found in list */ 4453 sctp_free_hmaclist(hmaclist); 4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4455 error = EINVAL; 4456 break; 4457 } 4458 /* set it on the endpoint */ 4459 SCTP_INP_WLOCK(inp); 4460 if (inp->sctp_ep.local_hmacs) 4461 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4462 inp->sctp_ep.local_hmacs = hmaclist; 4463 SCTP_INP_WUNLOCK(inp); 4464 sctp_set_hmac_done: 4465 break; 4466 } 4467 case SCTP_AUTH_ACTIVE_KEY: 4468 { 4469 struct sctp_authkeyid *scact; 4470 4471 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4472 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4473 4474 /* set the active key on the right place */ 4475 if (stcb) { 4476 /* set the active key on the assoc */ 4477 if (sctp_auth_setactivekey(stcb, 4478 scact->scact_keynumber)) { 4479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4480 SCTP_FROM_SCTP_USRREQ, 4481 EINVAL); 4482 error = EINVAL; 4483 } 4484 SCTP_TCB_UNLOCK(stcb); 4485 } else { 4486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4488 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4489 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4490 SCTP_INP_WLOCK(inp); 4491 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4492 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4493 error = EINVAL; 4494 } 4495 SCTP_INP_WUNLOCK(inp); 4496 } 4497 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4498 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4499 SCTP_INP_RLOCK(inp); 4500 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4501 SCTP_TCB_LOCK(stcb); 4502 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4503 SCTP_TCB_UNLOCK(stcb); 4504 } 4505 SCTP_INP_RUNLOCK(inp); 4506 } 4507 } 4508 break; 4509 } 4510 case SCTP_AUTH_DELETE_KEY: 4511 { 4512 struct sctp_authkeyid *scdel; 4513 4514 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4515 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4516 4517 /* delete the key from the right place */ 4518 if (stcb) { 4519 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4521 error = EINVAL; 4522 } 4523 SCTP_TCB_UNLOCK(stcb); 4524 } else { 4525 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4526 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4527 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4528 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4529 SCTP_INP_WLOCK(inp); 4530 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4532 error = EINVAL; 4533 } 4534 SCTP_INP_WUNLOCK(inp); 4535 } 4536 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4537 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4538 SCTP_INP_RLOCK(inp); 4539 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4540 SCTP_TCB_LOCK(stcb); 4541 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4542 SCTP_TCB_UNLOCK(stcb); 4543 } 4544 SCTP_INP_RUNLOCK(inp); 4545 } 4546 } 4547 break; 4548 } 4549 case SCTP_AUTH_DEACTIVATE_KEY: 4550 { 4551 struct sctp_authkeyid *keyid; 4552 4553 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4554 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4555 4556 /* deactivate the key from the right place */ 4557 if (stcb) { 4558 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4560 error = EINVAL; 4561 } 4562 SCTP_TCB_UNLOCK(stcb); 4563 } else { 4564 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4565 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4566 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4567 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4568 SCTP_INP_WLOCK(inp); 4569 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4571 error = EINVAL; 4572 } 4573 SCTP_INP_WUNLOCK(inp); 4574 } 4575 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4576 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4577 SCTP_INP_RLOCK(inp); 4578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4579 SCTP_TCB_LOCK(stcb); 4580 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4581 SCTP_TCB_UNLOCK(stcb); 4582 } 4583 SCTP_INP_RUNLOCK(inp); 4584 } 4585 } 4586 break; 4587 } 4588 case SCTP_ENABLE_STREAM_RESET: 4589 { 4590 struct sctp_assoc_value *av; 4591 4592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4593 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4595 error = EINVAL; 4596 break; 4597 } 4598 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4599 if (stcb) { 4600 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4601 SCTP_TCB_UNLOCK(stcb); 4602 } else { 4603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4605 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4606 (av->assoc_id == SCTP_ALL_ASSOC)) { 4607 SCTP_INP_WLOCK(inp); 4608 inp->local_strreset_support = (uint8_t) av->assoc_value; 4609 SCTP_INP_WUNLOCK(inp); 4610 } 4611 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4612 (av->assoc_id == SCTP_ALL_ASSOC)) { 4613 SCTP_INP_RLOCK(inp); 4614 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4615 SCTP_TCB_LOCK(stcb); 4616 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4617 SCTP_TCB_UNLOCK(stcb); 4618 } 4619 SCTP_INP_RUNLOCK(inp); 4620 } 4621 } 4622 break; 4623 } 4624 case SCTP_RESET_STREAMS: 4625 { 4626 struct sctp_reset_streams *strrst; 4627 int i, send_out = 0; 4628 int send_in = 0; 4629 4630 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4631 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4632 if (stcb == NULL) { 4633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4634 error = ENOENT; 4635 break; 4636 } 4637 if (stcb->asoc.reconfig_supported == 0) { 4638 /* 4639 * Peer does not support the chunk type. 4640 */ 4641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4642 error = EOPNOTSUPP; 4643 SCTP_TCB_UNLOCK(stcb); 4644 break; 4645 } 4646 if (sizeof(struct sctp_reset_streams) + 4647 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4648 error = EINVAL; 4649 SCTP_TCB_UNLOCK(stcb); 4650 break; 4651 } 4652 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4653 send_in = 1; 4654 if (stcb->asoc.stream_reset_outstanding) { 4655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4656 error = EALREADY; 4657 SCTP_TCB_UNLOCK(stcb); 4658 break; 4659 } 4660 } 4661 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4662 send_out = 1; 4663 } 4664 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4666 error = ENOMEM; 4667 SCTP_TCB_UNLOCK(stcb); 4668 break; 4669 } 4670 if ((send_in == 0) && (send_out == 0)) { 4671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4672 error = EINVAL; 4673 SCTP_TCB_UNLOCK(stcb); 4674 break; 4675 } 4676 for (i = 0; i < strrst->srs_number_streams; i++) { 4677 if ((send_in) && 4678 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4680 error = EINVAL; 4681 break; 4682 } 4683 if ((send_out) && 4684 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4686 error = EINVAL; 4687 break; 4688 } 4689 } 4690 if (error) { 4691 SCTP_TCB_UNLOCK(stcb); 4692 break; 4693 } 4694 if (send_out) { 4695 int cnt; 4696 uint16_t strm; 4697 4698 if (strrst->srs_number_streams) { 4699 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4700 strm = strrst->srs_stream_list[i]; 4701 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4702 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4703 cnt++; 4704 } 4705 } 4706 } else { 4707 /* Its all */ 4708 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4709 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4710 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4711 cnt++; 4712 } 4713 } 4714 } 4715 } 4716 if (send_in) { 4717 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4718 strrst->srs_stream_list, 4719 send_in, 0, 0, 0, 0, 0); 4720 } else { 4721 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4722 } 4723 if (error == 0) { 4724 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4725 } else { 4726 /* 4727 * For outgoing streams don't report any 4728 * problems in sending the request to the 4729 * application. XXX: Double check resetting 4730 * incoming streams. 4731 */ 4732 error = 0; 4733 } 4734 SCTP_TCB_UNLOCK(stcb); 4735 break; 4736 } 4737 case SCTP_ADD_STREAMS: 4738 { 4739 struct sctp_add_streams *stradd; 4740 uint8_t addstream = 0; 4741 uint16_t add_o_strmcnt = 0; 4742 uint16_t add_i_strmcnt = 0; 4743 4744 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4745 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4746 if (stcb == NULL) { 4747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4748 error = ENOENT; 4749 break; 4750 } 4751 if (stcb->asoc.reconfig_supported == 0) { 4752 /* 4753 * Peer does not support the chunk type. 4754 */ 4755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4756 error = EOPNOTSUPP; 4757 SCTP_TCB_UNLOCK(stcb); 4758 break; 4759 } 4760 if (stcb->asoc.stream_reset_outstanding) { 4761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4762 error = EALREADY; 4763 SCTP_TCB_UNLOCK(stcb); 4764 break; 4765 } 4766 if ((stradd->sas_outstrms == 0) && 4767 (stradd->sas_instrms == 0)) { 4768 error = EINVAL; 4769 goto skip_stuff; 4770 } 4771 if (stradd->sas_outstrms) { 4772 addstream = 1; 4773 /* We allocate here */ 4774 add_o_strmcnt = stradd->sas_outstrms; 4775 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4776 /* You can't have more than 64k */ 4777 error = EINVAL; 4778 goto skip_stuff; 4779 } 4780 } 4781 if (stradd->sas_instrms) { 4782 int cnt; 4783 4784 addstream |= 2; 4785 /* 4786 * We allocate inside 4787 * sctp_send_str_reset_req() 4788 */ 4789 add_i_strmcnt = stradd->sas_instrms; 4790 cnt = add_i_strmcnt; 4791 cnt += stcb->asoc.streamincnt; 4792 if (cnt > 0x0000ffff) { 4793 /* You can't have more than 64k */ 4794 error = EINVAL; 4795 goto skip_stuff; 4796 } 4797 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4798 /* More than you are allowed */ 4799 error = EINVAL; 4800 goto skip_stuff; 4801 } 4802 } 4803 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4804 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4805 skip_stuff: 4806 SCTP_TCB_UNLOCK(stcb); 4807 break; 4808 } 4809 case SCTP_RESET_ASSOC: 4810 { 4811 int i; 4812 uint32_t *value; 4813 4814 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4815 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4816 if (stcb == NULL) { 4817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4818 error = ENOENT; 4819 break; 4820 } 4821 if (stcb->asoc.reconfig_supported == 0) { 4822 /* 4823 * Peer does not support the chunk type. 4824 */ 4825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4826 error = EOPNOTSUPP; 4827 SCTP_TCB_UNLOCK(stcb); 4828 break; 4829 } 4830 if (stcb->asoc.stream_reset_outstanding) { 4831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4832 error = EALREADY; 4833 SCTP_TCB_UNLOCK(stcb); 4834 break; 4835 } 4836 /* 4837 * Is there any data pending in the send or sent 4838 * queues? 4839 */ 4840 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4841 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4842 busy_out: 4843 error = EBUSY; 4844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4845 SCTP_TCB_UNLOCK(stcb); 4846 break; 4847 } 4848 /* Do any streams have data queued? */ 4849 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4850 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4851 goto busy_out; 4852 } 4853 } 4854 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4855 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4856 SCTP_TCB_UNLOCK(stcb); 4857 break; 4858 } 4859 case SCTP_CONNECT_X: 4860 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4862 error = EINVAL; 4863 break; 4864 } 4865 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4866 break; 4867 case SCTP_CONNECT_X_DELAYED: 4868 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4870 error = EINVAL; 4871 break; 4872 } 4873 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4874 break; 4875 case SCTP_CONNECT_X_COMPLETE: 4876 { 4877 struct sockaddr *sa; 4878 4879 /* FIXME MT: check correct? */ 4880 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4881 4882 /* find tcb */ 4883 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4884 SCTP_INP_RLOCK(inp); 4885 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4886 if (stcb) { 4887 SCTP_TCB_LOCK(stcb); 4888 } 4889 SCTP_INP_RUNLOCK(inp); 4890 } else { 4891 /* 4892 * We increment here since 4893 * sctp_findassociation_ep_addr() wil do a 4894 * decrement if it finds the stcb as long as 4895 * the locked tcb (last argument) is NOT a 4896 * TCB.. aka NULL. 4897 */ 4898 SCTP_INP_INCR_REF(inp); 4899 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4900 if (stcb == NULL) { 4901 SCTP_INP_DECR_REF(inp); 4902 } 4903 } 4904 4905 if (stcb == NULL) { 4906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4907 error = ENOENT; 4908 break; 4909 } 4910 if (stcb->asoc.delayed_connection == 1) { 4911 stcb->asoc.delayed_connection = 0; 4912 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4913 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4914 stcb->asoc.primary_destination, 4915 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4916 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4917 } else { 4918 /* 4919 * already expired or did not use delayed 4920 * connectx 4921 */ 4922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4923 error = EALREADY; 4924 } 4925 SCTP_TCB_UNLOCK(stcb); 4926 break; 4927 } 4928 case SCTP_MAX_BURST: 4929 { 4930 struct sctp_assoc_value *av; 4931 4932 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4933 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4934 4935 if (stcb) { 4936 stcb->asoc.max_burst = av->assoc_value; 4937 SCTP_TCB_UNLOCK(stcb); 4938 } else { 4939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4940 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4941 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4942 (av->assoc_id == SCTP_ALL_ASSOC)) { 4943 SCTP_INP_WLOCK(inp); 4944 inp->sctp_ep.max_burst = av->assoc_value; 4945 SCTP_INP_WUNLOCK(inp); 4946 } 4947 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4948 (av->assoc_id == SCTP_ALL_ASSOC)) { 4949 SCTP_INP_RLOCK(inp); 4950 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4951 SCTP_TCB_LOCK(stcb); 4952 stcb->asoc.max_burst = av->assoc_value; 4953 SCTP_TCB_UNLOCK(stcb); 4954 } 4955 SCTP_INP_RUNLOCK(inp); 4956 } 4957 } 4958 break; 4959 } 4960 case SCTP_MAXSEG: 4961 { 4962 struct sctp_assoc_value *av; 4963 int ovh; 4964 4965 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4966 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4967 4968 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4969 ovh = SCTP_MED_OVERHEAD; 4970 } else { 4971 ovh = SCTP_MED_V4_OVERHEAD; 4972 } 4973 if (stcb) { 4974 if (av->assoc_value) { 4975 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4976 } else { 4977 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4978 } 4979 SCTP_TCB_UNLOCK(stcb); 4980 } else { 4981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4983 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4984 SCTP_INP_WLOCK(inp); 4985 /* 4986 * FIXME MT: I think this is not in 4987 * tune with the API ID 4988 */ 4989 if (av->assoc_value) { 4990 inp->sctp_frag_point = (av->assoc_value + ovh); 4991 } else { 4992 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4993 } 4994 SCTP_INP_WUNLOCK(inp); 4995 } else { 4996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4997 error = EINVAL; 4998 } 4999 } 5000 break; 5001 } 5002 case SCTP_EVENTS: 5003 { 5004 struct sctp_event_subscribe *events; 5005 5006 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5007 5008 SCTP_INP_WLOCK(inp); 5009 if (events->sctp_data_io_event) { 5010 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5011 } else { 5012 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5013 } 5014 5015 if (events->sctp_association_event) { 5016 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5017 } else { 5018 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5019 } 5020 5021 if (events->sctp_address_event) { 5022 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5023 } else { 5024 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5025 } 5026 5027 if (events->sctp_send_failure_event) { 5028 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5029 } else { 5030 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5031 } 5032 5033 if (events->sctp_peer_error_event) { 5034 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5035 } else { 5036 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5037 } 5038 5039 if (events->sctp_shutdown_event) { 5040 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5041 } else { 5042 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5043 } 5044 5045 if (events->sctp_partial_delivery_event) { 5046 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5047 } else { 5048 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5049 } 5050 5051 if (events->sctp_adaptation_layer_event) { 5052 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5053 } else { 5054 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5055 } 5056 5057 if (events->sctp_authentication_event) { 5058 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5059 } else { 5060 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5061 } 5062 5063 if (events->sctp_sender_dry_event) { 5064 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5065 } else { 5066 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5067 } 5068 5069 if (events->sctp_stream_reset_event) { 5070 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5071 } else { 5072 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5073 } 5074 SCTP_INP_WUNLOCK(inp); 5075 5076 SCTP_INP_RLOCK(inp); 5077 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5078 SCTP_TCB_LOCK(stcb); 5079 if (events->sctp_association_event) { 5080 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5081 } else { 5082 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5083 } 5084 if (events->sctp_address_event) { 5085 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5086 } else { 5087 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5088 } 5089 if (events->sctp_send_failure_event) { 5090 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5091 } else { 5092 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5093 } 5094 if (events->sctp_peer_error_event) { 5095 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5096 } else { 5097 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5098 } 5099 if (events->sctp_shutdown_event) { 5100 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5101 } else { 5102 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5103 } 5104 if (events->sctp_partial_delivery_event) { 5105 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5106 } else { 5107 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5108 } 5109 if (events->sctp_adaptation_layer_event) { 5110 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5111 } else { 5112 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5113 } 5114 if (events->sctp_authentication_event) { 5115 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5116 } else { 5117 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5118 } 5119 if (events->sctp_sender_dry_event) { 5120 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5121 } else { 5122 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5123 } 5124 if (events->sctp_stream_reset_event) { 5125 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5126 } else { 5127 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5128 } 5129 SCTP_TCB_UNLOCK(stcb); 5130 } 5131 /* 5132 * Send up the sender dry event only for 1-to-1 5133 * style sockets. 5134 */ 5135 if (events->sctp_sender_dry_event) { 5136 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5137 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5138 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5139 if (stcb) { 5140 SCTP_TCB_LOCK(stcb); 5141 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5142 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5143 (stcb->asoc.stream_queue_cnt == 0)) { 5144 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5145 } 5146 SCTP_TCB_UNLOCK(stcb); 5147 } 5148 } 5149 } 5150 SCTP_INP_RUNLOCK(inp); 5151 break; 5152 } 5153 case SCTP_ADAPTATION_LAYER: 5154 { 5155 struct sctp_setadaptation *adap_bits; 5156 5157 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5158 SCTP_INP_WLOCK(inp); 5159 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5160 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5161 SCTP_INP_WUNLOCK(inp); 5162 break; 5163 } 5164 #ifdef SCTP_DEBUG 5165 case SCTP_SET_INITIAL_DBG_SEQ: 5166 { 5167 uint32_t *vvv; 5168 5169 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5170 SCTP_INP_WLOCK(inp); 5171 inp->sctp_ep.initial_sequence_debug = *vvv; 5172 SCTP_INP_WUNLOCK(inp); 5173 break; 5174 } 5175 #endif 5176 case SCTP_DEFAULT_SEND_PARAM: 5177 { 5178 struct sctp_sndrcvinfo *s_info; 5179 5180 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5181 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5182 5183 if (stcb) { 5184 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5185 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5186 } else { 5187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5188 error = EINVAL; 5189 } 5190 SCTP_TCB_UNLOCK(stcb); 5191 } else { 5192 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5193 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5194 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5195 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5196 SCTP_INP_WLOCK(inp); 5197 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5198 SCTP_INP_WUNLOCK(inp); 5199 } 5200 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5201 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5202 SCTP_INP_RLOCK(inp); 5203 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5204 SCTP_TCB_LOCK(stcb); 5205 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5206 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5207 } 5208 SCTP_TCB_UNLOCK(stcb); 5209 } 5210 SCTP_INP_RUNLOCK(inp); 5211 } 5212 } 5213 break; 5214 } 5215 case SCTP_PEER_ADDR_PARAMS: 5216 { 5217 struct sctp_paddrparams *paddrp; 5218 struct sctp_nets *net; 5219 struct sockaddr *addr; 5220 5221 #if defined(INET) && defined(INET6) 5222 struct sockaddr_in sin_store; 5223 5224 #endif 5225 5226 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5227 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5228 5229 #if defined(INET) && defined(INET6) 5230 if (paddrp->spp_address.ss_family == AF_INET6) { 5231 struct sockaddr_in6 *sin6; 5232 5233 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5234 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5235 in6_sin6_2_sin(&sin_store, sin6); 5236 addr = (struct sockaddr *)&sin_store; 5237 } else { 5238 addr = (struct sockaddr *)&paddrp->spp_address; 5239 } 5240 } else { 5241 addr = (struct sockaddr *)&paddrp->spp_address; 5242 } 5243 #else 5244 addr = (struct sockaddr *)&paddrp->spp_address; 5245 #endif 5246 if (stcb != NULL) { 5247 net = sctp_findnet(stcb, addr); 5248 } else { 5249 /* 5250 * We increment here since 5251 * sctp_findassociation_ep_addr() wil do a 5252 * decrement if it finds the stcb as long as 5253 * the locked tcb (last argument) is NOT a 5254 * TCB.. aka NULL. 5255 */ 5256 net = NULL; 5257 SCTP_INP_INCR_REF(inp); 5258 stcb = sctp_findassociation_ep_addr(&inp, addr, 5259 &net, NULL, NULL); 5260 if (stcb == NULL) { 5261 SCTP_INP_DECR_REF(inp); 5262 } 5263 } 5264 if ((stcb != NULL) && (net == NULL)) { 5265 #ifdef INET 5266 if (addr->sa_family == AF_INET) { 5267 5268 struct sockaddr_in *sin; 5269 5270 sin = (struct sockaddr_in *)addr; 5271 if (sin->sin_addr.s_addr != INADDR_ANY) { 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5273 SCTP_TCB_UNLOCK(stcb); 5274 error = EINVAL; 5275 break; 5276 } 5277 } else 5278 #endif 5279 #ifdef INET6 5280 if (addr->sa_family == AF_INET6) { 5281 struct sockaddr_in6 *sin6; 5282 5283 sin6 = (struct sockaddr_in6 *)addr; 5284 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5286 SCTP_TCB_UNLOCK(stcb); 5287 error = EINVAL; 5288 break; 5289 } 5290 } else 5291 #endif 5292 { 5293 error = EAFNOSUPPORT; 5294 SCTP_TCB_UNLOCK(stcb); 5295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5296 break; 5297 } 5298 } 5299 /* sanity checks */ 5300 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5301 if (stcb) 5302 SCTP_TCB_UNLOCK(stcb); 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5304 return (EINVAL); 5305 } 5306 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5307 if (stcb) 5308 SCTP_TCB_UNLOCK(stcb); 5309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5310 return (EINVAL); 5311 } 5312 if (stcb != NULL) { 5313 /************************TCB SPECIFIC SET ******************/ 5314 if (net != NULL) { 5315 /************************NET SPECIFIC SET ******************/ 5316 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5317 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5318 !(net->dest_state & SCTP_ADDR_NOHB)) { 5319 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5320 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5321 } 5322 net->dest_state |= SCTP_ADDR_NOHB; 5323 } 5324 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5325 if (paddrp->spp_hbinterval) { 5326 net->heart_beat_delay = paddrp->spp_hbinterval; 5327 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5328 net->heart_beat_delay = 0; 5329 } 5330 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5331 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5332 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5333 net->dest_state &= ~SCTP_ADDR_NOHB; 5334 } 5335 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5336 /* on demand HB */ 5337 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5338 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5339 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5340 } 5341 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5342 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5343 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5344 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5345 } 5346 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5347 net->mtu = paddrp->spp_pathmtu; 5348 switch (net->ro._l_addr.sa.sa_family) { 5349 #ifdef INET 5350 case AF_INET: 5351 net->mtu += SCTP_MIN_V4_OVERHEAD; 5352 break; 5353 #endif 5354 #ifdef INET6 5355 case AF_INET6: 5356 net->mtu += SCTP_MIN_OVERHEAD; 5357 break; 5358 #endif 5359 default: 5360 break; 5361 } 5362 if (net->mtu < stcb->asoc.smallest_mtu) { 5363 sctp_pathmtu_adjustment(stcb, net->mtu); 5364 } 5365 } 5366 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5367 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5368 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5369 } 5370 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5371 } 5372 if (paddrp->spp_pathmaxrxt) { 5373 if (net->dest_state & SCTP_ADDR_PF) { 5374 if (net->error_count > paddrp->spp_pathmaxrxt) { 5375 net->dest_state &= ~SCTP_ADDR_PF; 5376 } 5377 } else { 5378 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5379 (net->error_count > net->pf_threshold)) { 5380 net->dest_state |= SCTP_ADDR_PF; 5381 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5382 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5383 stcb->sctp_ep, stcb, net, 5384 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5385 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5386 } 5387 } 5388 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5389 if (net->error_count > paddrp->spp_pathmaxrxt) { 5390 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5391 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5392 } 5393 } else { 5394 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5395 net->dest_state |= SCTP_ADDR_REACHABLE; 5396 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5397 } 5398 } 5399 net->failure_threshold = paddrp->spp_pathmaxrxt; 5400 } 5401 if (paddrp->spp_flags & SPP_DSCP) { 5402 net->dscp = paddrp->spp_dscp & 0xfc; 5403 net->dscp |= 0x01; 5404 } 5405 #ifdef INET6 5406 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5407 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5408 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5409 net->flowlabel |= 0x80000000; 5410 } 5411 } 5412 #endif 5413 } else { 5414 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5415 if (paddrp->spp_pathmaxrxt != 0) { 5416 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5417 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5418 if (net->dest_state & SCTP_ADDR_PF) { 5419 if (net->error_count > paddrp->spp_pathmaxrxt) { 5420 net->dest_state &= ~SCTP_ADDR_PF; 5421 } 5422 } else { 5423 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5424 (net->error_count > net->pf_threshold)) { 5425 net->dest_state |= SCTP_ADDR_PF; 5426 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5427 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5428 stcb->sctp_ep, stcb, net, 5429 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5430 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5431 } 5432 } 5433 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5434 if (net->error_count > paddrp->spp_pathmaxrxt) { 5435 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5436 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5437 } 5438 } else { 5439 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5440 net->dest_state |= SCTP_ADDR_REACHABLE; 5441 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5442 } 5443 } 5444 net->failure_threshold = paddrp->spp_pathmaxrxt; 5445 } 5446 } 5447 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5448 if (paddrp->spp_hbinterval != 0) { 5449 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5450 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5451 stcb->asoc.heart_beat_delay = 0; 5452 } 5453 /* Turn back on the timer */ 5454 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5455 if (paddrp->spp_hbinterval != 0) { 5456 net->heart_beat_delay = paddrp->spp_hbinterval; 5457 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5458 net->heart_beat_delay = 0; 5459 } 5460 if (net->dest_state & SCTP_ADDR_NOHB) { 5461 net->dest_state &= ~SCTP_ADDR_NOHB; 5462 } 5463 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5464 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5465 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5466 } 5467 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5468 } 5469 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5470 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5471 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5472 net->dest_state |= SCTP_ADDR_NOHB; 5473 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5474 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5475 inp, stcb, net, 5476 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5477 } 5478 } 5479 } 5480 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5481 } 5482 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5483 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5484 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5485 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5486 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5487 } 5488 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5489 net->mtu = paddrp->spp_pathmtu; 5490 switch (net->ro._l_addr.sa.sa_family) { 5491 #ifdef INET 5492 case AF_INET: 5493 net->mtu += SCTP_MIN_V4_OVERHEAD; 5494 break; 5495 #endif 5496 #ifdef INET6 5497 case AF_INET6: 5498 net->mtu += SCTP_MIN_OVERHEAD; 5499 break; 5500 #endif 5501 default: 5502 break; 5503 } 5504 if (net->mtu < stcb->asoc.smallest_mtu) { 5505 sctp_pathmtu_adjustment(stcb, net->mtu); 5506 } 5507 } 5508 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5509 } 5510 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5512 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5513 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5514 } 5515 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5516 } 5517 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5518 } 5519 if (paddrp->spp_flags & SPP_DSCP) { 5520 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5521 net->dscp = paddrp->spp_dscp & 0xfc; 5522 net->dscp |= 0x01; 5523 } 5524 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5525 stcb->asoc.default_dscp |= 0x01; 5526 } 5527 #ifdef INET6 5528 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5529 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5530 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5531 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5532 net->flowlabel |= 0x80000000; 5533 } 5534 } 5535 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5536 stcb->asoc.default_flowlabel |= 0x80000000; 5537 } 5538 #endif 5539 } 5540 SCTP_TCB_UNLOCK(stcb); 5541 } else { 5542 /************************NO TCB, SET TO default stuff ******************/ 5543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5545 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5546 SCTP_INP_WLOCK(inp); 5547 /* 5548 * For the TOS/FLOWLABEL stuff you 5549 * set it with the options on the 5550 * socket 5551 */ 5552 if (paddrp->spp_pathmaxrxt != 0) { 5553 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5554 } 5555 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5556 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5557 else if (paddrp->spp_hbinterval != 0) { 5558 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5559 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5560 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5561 } 5562 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5563 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5564 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5565 } else if (paddrp->spp_hbinterval) { 5566 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5567 } 5568 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5569 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5570 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5571 } 5572 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5573 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5574 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5575 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5576 } 5577 if (paddrp->spp_flags & SPP_DSCP) { 5578 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5579 inp->sctp_ep.default_dscp |= 0x01; 5580 } 5581 #ifdef INET6 5582 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5583 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5584 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5585 inp->sctp_ep.default_flowlabel |= 0x80000000; 5586 } 5587 } 5588 #endif 5589 SCTP_INP_WUNLOCK(inp); 5590 } else { 5591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5592 error = EINVAL; 5593 } 5594 } 5595 break; 5596 } 5597 case SCTP_RTOINFO: 5598 { 5599 struct sctp_rtoinfo *srto; 5600 uint32_t new_init, new_min, new_max; 5601 5602 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5603 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5604 5605 if (stcb) { 5606 if (srto->srto_initial) 5607 new_init = srto->srto_initial; 5608 else 5609 new_init = stcb->asoc.initial_rto; 5610 if (srto->srto_max) 5611 new_max = srto->srto_max; 5612 else 5613 new_max = stcb->asoc.maxrto; 5614 if (srto->srto_min) 5615 new_min = srto->srto_min; 5616 else 5617 new_min = stcb->asoc.minrto; 5618 if ((new_min <= new_init) && (new_init <= new_max)) { 5619 stcb->asoc.initial_rto = new_init; 5620 stcb->asoc.maxrto = new_max; 5621 stcb->asoc.minrto = new_min; 5622 } else { 5623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5624 error = EINVAL; 5625 } 5626 SCTP_TCB_UNLOCK(stcb); 5627 } else { 5628 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5629 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5630 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5631 SCTP_INP_WLOCK(inp); 5632 if (srto->srto_initial) 5633 new_init = srto->srto_initial; 5634 else 5635 new_init = inp->sctp_ep.initial_rto; 5636 if (srto->srto_max) 5637 new_max = srto->srto_max; 5638 else 5639 new_max = inp->sctp_ep.sctp_maxrto; 5640 if (srto->srto_min) 5641 new_min = srto->srto_min; 5642 else 5643 new_min = inp->sctp_ep.sctp_minrto; 5644 if ((new_min <= new_init) && (new_init <= new_max)) { 5645 inp->sctp_ep.initial_rto = new_init; 5646 inp->sctp_ep.sctp_maxrto = new_max; 5647 inp->sctp_ep.sctp_minrto = new_min; 5648 } else { 5649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5650 error = EINVAL; 5651 } 5652 SCTP_INP_WUNLOCK(inp); 5653 } else { 5654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5655 error = EINVAL; 5656 } 5657 } 5658 break; 5659 } 5660 case SCTP_ASSOCINFO: 5661 { 5662 struct sctp_assocparams *sasoc; 5663 5664 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5665 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5666 if (sasoc->sasoc_cookie_life) { 5667 /* boundary check the cookie life */ 5668 if (sasoc->sasoc_cookie_life < 1000) 5669 sasoc->sasoc_cookie_life = 1000; 5670 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5671 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5672 } 5673 } 5674 if (stcb) { 5675 if (sasoc->sasoc_asocmaxrxt) 5676 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5677 if (sasoc->sasoc_cookie_life) { 5678 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5679 } 5680 SCTP_TCB_UNLOCK(stcb); 5681 } else { 5682 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5683 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5684 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5685 SCTP_INP_WLOCK(inp); 5686 if (sasoc->sasoc_asocmaxrxt) 5687 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5688 if (sasoc->sasoc_cookie_life) { 5689 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5690 } 5691 SCTP_INP_WUNLOCK(inp); 5692 } else { 5693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5694 error = EINVAL; 5695 } 5696 } 5697 break; 5698 } 5699 case SCTP_INITMSG: 5700 { 5701 struct sctp_initmsg *sinit; 5702 5703 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5704 SCTP_INP_WLOCK(inp); 5705 if (sinit->sinit_num_ostreams) 5706 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5707 5708 if (sinit->sinit_max_instreams) 5709 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5710 5711 if (sinit->sinit_max_attempts) 5712 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5713 5714 if (sinit->sinit_max_init_timeo) 5715 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5716 SCTP_INP_WUNLOCK(inp); 5717 break; 5718 } 5719 case SCTP_PRIMARY_ADDR: 5720 { 5721 struct sctp_setprim *spa; 5722 struct sctp_nets *net; 5723 struct sockaddr *addr; 5724 5725 #if defined(INET) && defined(INET6) 5726 struct sockaddr_in sin_store; 5727 5728 #endif 5729 5730 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5731 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5732 5733 #if defined(INET) && defined(INET6) 5734 if (spa->ssp_addr.ss_family == AF_INET6) { 5735 struct sockaddr_in6 *sin6; 5736 5737 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5738 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5739 in6_sin6_2_sin(&sin_store, sin6); 5740 addr = (struct sockaddr *)&sin_store; 5741 } else { 5742 addr = (struct sockaddr *)&spa->ssp_addr; 5743 } 5744 } else { 5745 addr = (struct sockaddr *)&spa->ssp_addr; 5746 } 5747 #else 5748 addr = (struct sockaddr *)&spa->ssp_addr; 5749 #endif 5750 if (stcb != NULL) { 5751 net = sctp_findnet(stcb, addr); 5752 } else { 5753 /* 5754 * We increment here since 5755 * sctp_findassociation_ep_addr() wil do a 5756 * decrement if it finds the stcb as long as 5757 * the locked tcb (last argument) is NOT a 5758 * TCB.. aka NULL. 5759 */ 5760 net = NULL; 5761 SCTP_INP_INCR_REF(inp); 5762 stcb = sctp_findassociation_ep_addr(&inp, addr, 5763 &net, NULL, NULL); 5764 if (stcb == NULL) { 5765 SCTP_INP_DECR_REF(inp); 5766 } 5767 } 5768 5769 if ((stcb != NULL) && (net != NULL)) { 5770 if (net != stcb->asoc.primary_destination) { 5771 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5772 /* Ok we need to set it */ 5773 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5774 if ((stcb->asoc.alternate) && 5775 (!(net->dest_state & SCTP_ADDR_PF)) && 5776 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5777 sctp_free_remote_addr(stcb->asoc.alternate); 5778 stcb->asoc.alternate = NULL; 5779 } 5780 } else { 5781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5782 error = EINVAL; 5783 } 5784 } else { 5785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5786 error = EINVAL; 5787 } 5788 } 5789 } else { 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5791 error = EINVAL; 5792 } 5793 if (stcb != NULL) { 5794 SCTP_TCB_UNLOCK(stcb); 5795 } 5796 break; 5797 } 5798 case SCTP_SET_DYNAMIC_PRIMARY: 5799 { 5800 union sctp_sockstore *ss; 5801 5802 error = priv_check(curthread, 5803 PRIV_NETINET_RESERVEDPORT); 5804 if (error) 5805 break; 5806 5807 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5808 /* SUPER USER CHECK? */ 5809 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5810 break; 5811 } 5812 case SCTP_SET_PEER_PRIMARY_ADDR: 5813 { 5814 struct sctp_setpeerprim *sspp; 5815 struct sockaddr *addr; 5816 5817 #if defined(INET) && defined(INET6) 5818 struct sockaddr_in sin_store; 5819 5820 #endif 5821 5822 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5823 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5824 if (stcb != NULL) { 5825 struct sctp_ifa *ifa; 5826 5827 #if defined(INET) && defined(INET6) 5828 if (sspp->sspp_addr.ss_family == AF_INET6) { 5829 struct sockaddr_in6 *sin6; 5830 5831 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5832 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5833 in6_sin6_2_sin(&sin_store, sin6); 5834 addr = (struct sockaddr *)&sin_store; 5835 } else { 5836 addr = (struct sockaddr *)&sspp->sspp_addr; 5837 } 5838 } else { 5839 addr = (struct sockaddr *)&sspp->sspp_addr; 5840 } 5841 #else 5842 addr = (struct sockaddr *)&sspp->sspp_addr; 5843 #endif 5844 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5845 if (ifa == NULL) { 5846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5847 error = EINVAL; 5848 goto out_of_it; 5849 } 5850 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5851 /* 5852 * Must validate the ifa found is in 5853 * our ep 5854 */ 5855 struct sctp_laddr *laddr; 5856 int found = 0; 5857 5858 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5859 if (laddr->ifa == NULL) { 5860 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5861 __func__); 5862 continue; 5863 } 5864 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5865 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5866 continue; 5867 } 5868 if (laddr->ifa == ifa) { 5869 found = 1; 5870 break; 5871 } 5872 } 5873 if (!found) { 5874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5875 error = EINVAL; 5876 goto out_of_it; 5877 } 5878 } else { 5879 switch (addr->sa_family) { 5880 #ifdef INET 5881 case AF_INET: 5882 { 5883 struct sockaddr_in *sin; 5884 5885 sin = (struct sockaddr_in *)addr; 5886 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5887 &sin->sin_addr) != 0) { 5888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5889 error = EINVAL; 5890 goto out_of_it; 5891 } 5892 break; 5893 } 5894 #endif 5895 #ifdef INET6 5896 case AF_INET6: 5897 { 5898 struct sockaddr_in6 *sin6; 5899 5900 sin6 = (struct sockaddr_in6 *)addr; 5901 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5902 &sin6->sin6_addr) != 0) { 5903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5904 error = EINVAL; 5905 goto out_of_it; 5906 } 5907 break; 5908 } 5909 #endif 5910 default: 5911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5912 error = EINVAL; 5913 goto out_of_it; 5914 } 5915 } 5916 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5918 error = EINVAL; 5919 } 5920 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5921 out_of_it: 5922 SCTP_TCB_UNLOCK(stcb); 5923 } else { 5924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5925 error = EINVAL; 5926 } 5927 break; 5928 } 5929 case SCTP_BINDX_ADD_ADDR: 5930 { 5931 struct sctp_getaddresses *addrs; 5932 struct thread *td; 5933 5934 td = (struct thread *)p; 5935 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5936 optsize); 5937 #ifdef INET 5938 if (addrs->addr->sa_family == AF_INET) { 5939 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5941 error = EINVAL; 5942 break; 5943 } 5944 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5945 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5946 break; 5947 } 5948 } else 5949 #endif 5950 #ifdef INET6 5951 if (addrs->addr->sa_family == AF_INET6) { 5952 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5954 error = EINVAL; 5955 break; 5956 } 5957 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5958 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5959 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5960 break; 5961 } 5962 } else 5963 #endif 5964 { 5965 error = EAFNOSUPPORT; 5966 break; 5967 } 5968 sctp_bindx_add_address(so, inp, addrs->addr, 5969 addrs->sget_assoc_id, vrf_id, 5970 &error, p); 5971 break; 5972 } 5973 case SCTP_BINDX_REM_ADDR: 5974 { 5975 struct sctp_getaddresses *addrs; 5976 struct thread *td; 5977 5978 td = (struct thread *)p; 5979 5980 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5981 #ifdef INET 5982 if (addrs->addr->sa_family == AF_INET) { 5983 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5985 error = EINVAL; 5986 break; 5987 } 5988 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5989 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5990 break; 5991 } 5992 } else 5993 #endif 5994 #ifdef INET6 5995 if (addrs->addr->sa_family == AF_INET6) { 5996 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5998 error = EINVAL; 5999 break; 6000 } 6001 if (td != NULL && 6002 (error = prison_local_ip6(td->td_ucred, 6003 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6004 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6005 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6006 break; 6007 } 6008 } else 6009 #endif 6010 { 6011 error = EAFNOSUPPORT; 6012 break; 6013 } 6014 sctp_bindx_delete_address(inp, addrs->addr, 6015 addrs->sget_assoc_id, vrf_id, 6016 &error); 6017 break; 6018 } 6019 case SCTP_EVENT: 6020 { 6021 struct sctp_event *event; 6022 uint32_t event_type; 6023 6024 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6025 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6026 switch (event->se_type) { 6027 case SCTP_ASSOC_CHANGE: 6028 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6029 break; 6030 case SCTP_PEER_ADDR_CHANGE: 6031 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6032 break; 6033 case SCTP_REMOTE_ERROR: 6034 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6035 break; 6036 case SCTP_SEND_FAILED: 6037 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6038 break; 6039 case SCTP_SHUTDOWN_EVENT: 6040 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6041 break; 6042 case SCTP_ADAPTATION_INDICATION: 6043 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6044 break; 6045 case SCTP_PARTIAL_DELIVERY_EVENT: 6046 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6047 break; 6048 case SCTP_AUTHENTICATION_EVENT: 6049 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6050 break; 6051 case SCTP_STREAM_RESET_EVENT: 6052 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6053 break; 6054 case SCTP_SENDER_DRY_EVENT: 6055 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6056 break; 6057 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6058 event_type = 0; 6059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6060 error = ENOTSUP; 6061 break; 6062 case SCTP_ASSOC_RESET_EVENT: 6063 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6064 break; 6065 case SCTP_STREAM_CHANGE_EVENT: 6066 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6067 break; 6068 case SCTP_SEND_FAILED_EVENT: 6069 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6070 break; 6071 default: 6072 event_type = 0; 6073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6074 error = EINVAL; 6075 break; 6076 } 6077 if (event_type > 0) { 6078 if (stcb) { 6079 if (event->se_on) { 6080 sctp_stcb_feature_on(inp, stcb, event_type); 6081 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6082 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6083 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6084 (stcb->asoc.stream_queue_cnt == 0)) { 6085 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6086 } 6087 } 6088 } else { 6089 sctp_stcb_feature_off(inp, stcb, event_type); 6090 } 6091 SCTP_TCB_UNLOCK(stcb); 6092 } else { 6093 /* 6094 * We don't want to send up a storm 6095 * of events, so return an error for 6096 * sender dry events 6097 */ 6098 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6099 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6100 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6101 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6102 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6104 error = ENOTSUP; 6105 break; 6106 } 6107 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6108 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6109 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6110 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6111 SCTP_INP_WLOCK(inp); 6112 if (event->se_on) { 6113 sctp_feature_on(inp, event_type); 6114 } else { 6115 sctp_feature_off(inp, event_type); 6116 } 6117 SCTP_INP_WUNLOCK(inp); 6118 } 6119 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6120 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6121 SCTP_INP_RLOCK(inp); 6122 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6123 SCTP_TCB_LOCK(stcb); 6124 if (event->se_on) { 6125 sctp_stcb_feature_on(inp, stcb, event_type); 6126 } else { 6127 sctp_stcb_feature_off(inp, stcb, event_type); 6128 } 6129 SCTP_TCB_UNLOCK(stcb); 6130 } 6131 SCTP_INP_RUNLOCK(inp); 6132 } 6133 } 6134 } 6135 break; 6136 } 6137 case SCTP_RECVRCVINFO: 6138 { 6139 int *onoff; 6140 6141 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6142 SCTP_INP_WLOCK(inp); 6143 if (*onoff != 0) { 6144 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6145 } else { 6146 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6147 } 6148 SCTP_INP_WUNLOCK(inp); 6149 break; 6150 } 6151 case SCTP_RECVNXTINFO: 6152 { 6153 int *onoff; 6154 6155 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6156 SCTP_INP_WLOCK(inp); 6157 if (*onoff != 0) { 6158 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6159 } else { 6160 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6161 } 6162 SCTP_INP_WUNLOCK(inp); 6163 break; 6164 } 6165 case SCTP_DEFAULT_SNDINFO: 6166 { 6167 struct sctp_sndinfo *info; 6168 uint16_t policy; 6169 6170 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6171 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6172 6173 if (stcb) { 6174 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6175 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6176 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6177 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6178 stcb->asoc.def_send.sinfo_flags |= policy; 6179 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6180 stcb->asoc.def_send.sinfo_context = info->snd_context; 6181 } else { 6182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6183 error = EINVAL; 6184 } 6185 SCTP_TCB_UNLOCK(stcb); 6186 } else { 6187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6188 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6189 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6190 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6191 SCTP_INP_WLOCK(inp); 6192 inp->def_send.sinfo_stream = info->snd_sid; 6193 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6194 inp->def_send.sinfo_flags = info->snd_flags; 6195 inp->def_send.sinfo_flags |= policy; 6196 inp->def_send.sinfo_ppid = info->snd_ppid; 6197 inp->def_send.sinfo_context = info->snd_context; 6198 SCTP_INP_WUNLOCK(inp); 6199 } 6200 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6201 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6202 SCTP_INP_RLOCK(inp); 6203 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6204 SCTP_TCB_LOCK(stcb); 6205 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6206 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6207 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6208 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6209 stcb->asoc.def_send.sinfo_flags |= policy; 6210 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6211 stcb->asoc.def_send.sinfo_context = info->snd_context; 6212 } 6213 SCTP_TCB_UNLOCK(stcb); 6214 } 6215 SCTP_INP_RUNLOCK(inp); 6216 } 6217 } 6218 break; 6219 } 6220 case SCTP_DEFAULT_PRINFO: 6221 { 6222 struct sctp_default_prinfo *info; 6223 6224 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6225 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6226 6227 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6229 error = EINVAL; 6230 break; 6231 } 6232 if (stcb) { 6233 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6234 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6235 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6236 SCTP_TCB_UNLOCK(stcb); 6237 } else { 6238 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6239 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6240 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6241 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6242 SCTP_INP_WLOCK(inp); 6243 inp->def_send.sinfo_flags &= 0xfff0; 6244 inp->def_send.sinfo_flags |= info->pr_policy; 6245 inp->def_send.sinfo_timetolive = info->pr_value; 6246 SCTP_INP_WUNLOCK(inp); 6247 } 6248 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6249 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6250 SCTP_INP_RLOCK(inp); 6251 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6252 SCTP_TCB_LOCK(stcb); 6253 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6254 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6255 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6256 SCTP_TCB_UNLOCK(stcb); 6257 } 6258 SCTP_INP_RUNLOCK(inp); 6259 } 6260 } 6261 break; 6262 } 6263 case SCTP_PEER_ADDR_THLDS: 6264 /* Applies to the specific association */ 6265 { 6266 struct sctp_paddrthlds *thlds; 6267 struct sctp_nets *net; 6268 struct sockaddr *addr; 6269 6270 #if defined(INET) && defined(INET6) 6271 struct sockaddr_in sin_store; 6272 6273 #endif 6274 6275 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6276 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6277 6278 #if defined(INET) && defined(INET6) 6279 if (thlds->spt_address.ss_family == AF_INET6) { 6280 struct sockaddr_in6 *sin6; 6281 6282 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6283 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6284 in6_sin6_2_sin(&sin_store, sin6); 6285 addr = (struct sockaddr *)&sin_store; 6286 } else { 6287 addr = (struct sockaddr *)&thlds->spt_address; 6288 } 6289 } else { 6290 addr = (struct sockaddr *)&thlds->spt_address; 6291 } 6292 #else 6293 addr = (struct sockaddr *)&thlds->spt_address; 6294 #endif 6295 if (stcb != NULL) { 6296 net = sctp_findnet(stcb, addr); 6297 } else { 6298 /* 6299 * We increment here since 6300 * sctp_findassociation_ep_addr() wil do a 6301 * decrement if it finds the stcb as long as 6302 * the locked tcb (last argument) is NOT a 6303 * TCB.. aka NULL. 6304 */ 6305 net = NULL; 6306 SCTP_INP_INCR_REF(inp); 6307 stcb = sctp_findassociation_ep_addr(&inp, addr, 6308 &net, NULL, NULL); 6309 if (stcb == NULL) { 6310 SCTP_INP_DECR_REF(inp); 6311 } 6312 } 6313 if ((stcb != NULL) && (net == NULL)) { 6314 #ifdef INET 6315 if (addr->sa_family == AF_INET) { 6316 6317 struct sockaddr_in *sin; 6318 6319 sin = (struct sockaddr_in *)addr; 6320 if (sin->sin_addr.s_addr != INADDR_ANY) { 6321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6322 SCTP_TCB_UNLOCK(stcb); 6323 error = EINVAL; 6324 break; 6325 } 6326 } else 6327 #endif 6328 #ifdef INET6 6329 if (addr->sa_family == AF_INET6) { 6330 struct sockaddr_in6 *sin6; 6331 6332 sin6 = (struct sockaddr_in6 *)addr; 6333 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6335 SCTP_TCB_UNLOCK(stcb); 6336 error = EINVAL; 6337 break; 6338 } 6339 } else 6340 #endif 6341 { 6342 error = EAFNOSUPPORT; 6343 SCTP_TCB_UNLOCK(stcb); 6344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6345 break; 6346 } 6347 } 6348 if (stcb != NULL) { 6349 if (net != NULL) { 6350 net->failure_threshold = thlds->spt_pathmaxrxt; 6351 net->pf_threshold = thlds->spt_pathpfthld; 6352 if (net->dest_state & SCTP_ADDR_PF) { 6353 if ((net->error_count > net->failure_threshold) || 6354 (net->error_count <= net->pf_threshold)) { 6355 net->dest_state &= ~SCTP_ADDR_PF; 6356 } 6357 } else { 6358 if ((net->error_count > net->pf_threshold) && 6359 (net->error_count <= net->failure_threshold)) { 6360 net->dest_state |= SCTP_ADDR_PF; 6361 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6362 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6363 stcb->sctp_ep, stcb, net, 6364 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6365 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6366 } 6367 } 6368 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6369 if (net->error_count > net->failure_threshold) { 6370 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6371 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6372 } 6373 } else { 6374 if (net->error_count <= net->failure_threshold) { 6375 net->dest_state |= SCTP_ADDR_REACHABLE; 6376 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6377 } 6378 } 6379 } else { 6380 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6381 net->failure_threshold = thlds->spt_pathmaxrxt; 6382 net->pf_threshold = thlds->spt_pathpfthld; 6383 if (net->dest_state & SCTP_ADDR_PF) { 6384 if ((net->error_count > net->failure_threshold) || 6385 (net->error_count <= net->pf_threshold)) { 6386 net->dest_state &= ~SCTP_ADDR_PF; 6387 } 6388 } else { 6389 if ((net->error_count > net->pf_threshold) && 6390 (net->error_count <= net->failure_threshold)) { 6391 net->dest_state |= SCTP_ADDR_PF; 6392 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6393 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6394 stcb->sctp_ep, stcb, net, 6395 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6396 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6397 } 6398 } 6399 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6400 if (net->error_count > net->failure_threshold) { 6401 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6402 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6403 } 6404 } else { 6405 if (net->error_count <= net->failure_threshold) { 6406 net->dest_state |= SCTP_ADDR_REACHABLE; 6407 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6408 } 6409 } 6410 } 6411 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6412 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6413 } 6414 SCTP_TCB_UNLOCK(stcb); 6415 } else { 6416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6417 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6418 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6419 SCTP_INP_WLOCK(inp); 6420 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6421 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6422 SCTP_INP_WUNLOCK(inp); 6423 } else { 6424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6425 error = EINVAL; 6426 } 6427 } 6428 break; 6429 } 6430 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6431 { 6432 struct sctp_udpencaps *encaps; 6433 struct sctp_nets *net; 6434 struct sockaddr *addr; 6435 6436 #if defined(INET) && defined(INET6) 6437 struct sockaddr_in sin_store; 6438 6439 #endif 6440 6441 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6442 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6443 6444 #if defined(INET) && defined(INET6) 6445 if (encaps->sue_address.ss_family == AF_INET6) { 6446 struct sockaddr_in6 *sin6; 6447 6448 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6449 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6450 in6_sin6_2_sin(&sin_store, sin6); 6451 addr = (struct sockaddr *)&sin_store; 6452 } else { 6453 addr = (struct sockaddr *)&encaps->sue_address; 6454 } 6455 } else { 6456 addr = (struct sockaddr *)&encaps->sue_address; 6457 } 6458 #else 6459 addr = (struct sockaddr *)&encaps->sue_address; 6460 #endif 6461 if (stcb != NULL) { 6462 net = sctp_findnet(stcb, addr); 6463 } else { 6464 /* 6465 * We increment here since 6466 * sctp_findassociation_ep_addr() wil do a 6467 * decrement if it finds the stcb as long as 6468 * the locked tcb (last argument) is NOT a 6469 * TCB.. aka NULL. 6470 */ 6471 net = NULL; 6472 SCTP_INP_INCR_REF(inp); 6473 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6474 if (stcb == NULL) { 6475 SCTP_INP_DECR_REF(inp); 6476 } 6477 } 6478 if ((stcb != NULL) && (net == NULL)) { 6479 #ifdef INET 6480 if (addr->sa_family == AF_INET) { 6481 6482 struct sockaddr_in *sin; 6483 6484 sin = (struct sockaddr_in *)addr; 6485 if (sin->sin_addr.s_addr != INADDR_ANY) { 6486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6487 SCTP_TCB_UNLOCK(stcb); 6488 error = EINVAL; 6489 break; 6490 } 6491 } else 6492 #endif 6493 #ifdef INET6 6494 if (addr->sa_family == AF_INET6) { 6495 struct sockaddr_in6 *sin6; 6496 6497 sin6 = (struct sockaddr_in6 *)addr; 6498 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6500 SCTP_TCB_UNLOCK(stcb); 6501 error = EINVAL; 6502 break; 6503 } 6504 } else 6505 #endif 6506 { 6507 error = EAFNOSUPPORT; 6508 SCTP_TCB_UNLOCK(stcb); 6509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6510 break; 6511 } 6512 } 6513 if (stcb != NULL) { 6514 if (net != NULL) { 6515 net->port = encaps->sue_port; 6516 } else { 6517 stcb->asoc.port = encaps->sue_port; 6518 } 6519 SCTP_TCB_UNLOCK(stcb); 6520 } else { 6521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6522 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6523 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6524 SCTP_INP_WLOCK(inp); 6525 inp->sctp_ep.port = encaps->sue_port; 6526 SCTP_INP_WUNLOCK(inp); 6527 } else { 6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6529 error = EINVAL; 6530 } 6531 } 6532 break; 6533 } 6534 case SCTP_ECN_SUPPORTED: 6535 { 6536 struct sctp_assoc_value *av; 6537 6538 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6539 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6540 6541 if (stcb) { 6542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6543 error = EINVAL; 6544 SCTP_TCB_UNLOCK(stcb); 6545 } else { 6546 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6547 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6548 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6549 SCTP_INP_WLOCK(inp); 6550 if (av->assoc_value == 0) { 6551 inp->ecn_supported = 0; 6552 } else { 6553 inp->ecn_supported = 1; 6554 } 6555 SCTP_INP_WUNLOCK(inp); 6556 } else { 6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6558 error = EINVAL; 6559 } 6560 } 6561 break; 6562 } 6563 case SCTP_PR_SUPPORTED: 6564 { 6565 struct sctp_assoc_value *av; 6566 6567 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6568 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6569 6570 if (stcb) { 6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6572 error = EINVAL; 6573 SCTP_TCB_UNLOCK(stcb); 6574 } else { 6575 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6576 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6577 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6578 SCTP_INP_WLOCK(inp); 6579 if (av->assoc_value == 0) { 6580 inp->prsctp_supported = 0; 6581 } else { 6582 inp->prsctp_supported = 1; 6583 } 6584 SCTP_INP_WUNLOCK(inp); 6585 } else { 6586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6587 error = EINVAL; 6588 } 6589 } 6590 break; 6591 } 6592 case SCTP_AUTH_SUPPORTED: 6593 { 6594 struct sctp_assoc_value *av; 6595 6596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6598 6599 if (stcb) { 6600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6601 error = EINVAL; 6602 SCTP_TCB_UNLOCK(stcb); 6603 } else { 6604 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6605 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6606 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6607 if ((av->assoc_value == 0) && 6608 (inp->asconf_supported == 1)) { 6609 /* 6610 * AUTH is required for 6611 * ASCONF 6612 */ 6613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6614 error = EINVAL; 6615 } else { 6616 SCTP_INP_WLOCK(inp); 6617 if (av->assoc_value == 0) { 6618 inp->auth_supported = 0; 6619 } else { 6620 inp->auth_supported = 1; 6621 } 6622 SCTP_INP_WUNLOCK(inp); 6623 } 6624 } else { 6625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6626 error = EINVAL; 6627 } 6628 } 6629 break; 6630 } 6631 case SCTP_ASCONF_SUPPORTED: 6632 { 6633 struct sctp_assoc_value *av; 6634 6635 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6636 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6637 6638 if (stcb) { 6639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6640 error = EINVAL; 6641 SCTP_TCB_UNLOCK(stcb); 6642 } else { 6643 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6644 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6645 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6646 if ((av->assoc_value != 0) && 6647 (inp->auth_supported == 0)) { 6648 /* 6649 * AUTH is required for 6650 * ASCONF 6651 */ 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6653 error = EINVAL; 6654 } else { 6655 SCTP_INP_WLOCK(inp); 6656 if (av->assoc_value == 0) { 6657 inp->asconf_supported = 0; 6658 sctp_auth_delete_chunk(SCTP_ASCONF, 6659 inp->sctp_ep.local_auth_chunks); 6660 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6661 inp->sctp_ep.local_auth_chunks); 6662 } else { 6663 inp->asconf_supported = 1; 6664 sctp_auth_add_chunk(SCTP_ASCONF, 6665 inp->sctp_ep.local_auth_chunks); 6666 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6667 inp->sctp_ep.local_auth_chunks); 6668 } 6669 SCTP_INP_WUNLOCK(inp); 6670 } 6671 } else { 6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6673 error = EINVAL; 6674 } 6675 } 6676 break; 6677 } 6678 case SCTP_RECONFIG_SUPPORTED: 6679 { 6680 struct sctp_assoc_value *av; 6681 6682 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6683 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6684 6685 if (stcb) { 6686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6687 error = EINVAL; 6688 SCTP_TCB_UNLOCK(stcb); 6689 } else { 6690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6692 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6693 SCTP_INP_WLOCK(inp); 6694 if (av->assoc_value == 0) { 6695 inp->reconfig_supported = 0; 6696 } else { 6697 inp->reconfig_supported = 1; 6698 } 6699 SCTP_INP_WUNLOCK(inp); 6700 } else { 6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6702 error = EINVAL; 6703 } 6704 } 6705 break; 6706 } 6707 case SCTP_NRSACK_SUPPORTED: 6708 { 6709 struct sctp_assoc_value *av; 6710 6711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6713 6714 if (stcb) { 6715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6716 error = EINVAL; 6717 SCTP_TCB_UNLOCK(stcb); 6718 } else { 6719 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6720 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6721 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6722 SCTP_INP_WLOCK(inp); 6723 if (av->assoc_value == 0) { 6724 inp->nrsack_supported = 0; 6725 } else { 6726 inp->nrsack_supported = 1; 6727 } 6728 SCTP_INP_WUNLOCK(inp); 6729 } else { 6730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6731 error = EINVAL; 6732 } 6733 } 6734 break; 6735 } 6736 case SCTP_PKTDROP_SUPPORTED: 6737 { 6738 struct sctp_assoc_value *av; 6739 6740 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6741 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6742 6743 if (stcb) { 6744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6745 error = EINVAL; 6746 SCTP_TCB_UNLOCK(stcb); 6747 } else { 6748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6750 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6751 SCTP_INP_WLOCK(inp); 6752 if (av->assoc_value == 0) { 6753 inp->pktdrop_supported = 0; 6754 } else { 6755 inp->pktdrop_supported = 1; 6756 } 6757 SCTP_INP_WUNLOCK(inp); 6758 } else { 6759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6760 error = EINVAL; 6761 } 6762 } 6763 break; 6764 } 6765 case SCTP_MAX_CWND: 6766 { 6767 struct sctp_assoc_value *av; 6768 struct sctp_nets *net; 6769 6770 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6771 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6772 6773 if (stcb) { 6774 stcb->asoc.max_cwnd = av->assoc_value; 6775 if (stcb->asoc.max_cwnd > 0) { 6776 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6777 if ((net->cwnd > stcb->asoc.max_cwnd) && 6778 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6779 net->cwnd = stcb->asoc.max_cwnd; 6780 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6781 net->cwnd = net->mtu - sizeof(struct sctphdr); 6782 } 6783 } 6784 } 6785 } 6786 SCTP_TCB_UNLOCK(stcb); 6787 } else { 6788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6790 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6791 SCTP_INP_WLOCK(inp); 6792 inp->max_cwnd = av->assoc_value; 6793 SCTP_INP_WUNLOCK(inp); 6794 } else { 6795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6796 error = EINVAL; 6797 } 6798 } 6799 break; 6800 } 6801 default: 6802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6803 error = ENOPROTOOPT; 6804 break; 6805 } /* end switch (opt) */ 6806 return (error); 6807 } 6808 6809 int 6810 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6811 { 6812 void *optval = NULL; 6813 size_t optsize = 0; 6814 void *p; 6815 int error = 0; 6816 struct sctp_inpcb *inp; 6817 6818 if ((sopt->sopt_level == SOL_SOCKET) && 6819 (sopt->sopt_name == SO_SETFIB)) { 6820 inp = (struct sctp_inpcb *)so->so_pcb; 6821 if (inp == NULL) { 6822 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6823 return (EINVAL); 6824 } 6825 SCTP_INP_WLOCK(inp); 6826 inp->fibnum = so->so_fibnum; 6827 SCTP_INP_WUNLOCK(inp); 6828 return (0); 6829 } 6830 if (sopt->sopt_level != IPPROTO_SCTP) { 6831 /* wrong proto level... send back up to IP */ 6832 #ifdef INET6 6833 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6834 error = ip6_ctloutput(so, sopt); 6835 #endif /* INET6 */ 6836 #if defined(INET) && defined(INET6) 6837 else 6838 #endif 6839 #ifdef INET 6840 error = ip_ctloutput(so, sopt); 6841 #endif 6842 return (error); 6843 } 6844 optsize = sopt->sopt_valsize; 6845 if (optsize) { 6846 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6847 if (optval == NULL) { 6848 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6849 return (ENOBUFS); 6850 } 6851 error = sooptcopyin(sopt, optval, optsize, optsize); 6852 if (error) { 6853 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6854 goto out; 6855 } 6856 } 6857 p = (void *)sopt->sopt_td; 6858 if (sopt->sopt_dir == SOPT_SET) { 6859 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6860 } else if (sopt->sopt_dir == SOPT_GET) { 6861 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6862 } else { 6863 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6864 error = EINVAL; 6865 } 6866 if ((error == 0) && (optval != NULL)) { 6867 error = sooptcopyout(sopt, optval, optsize); 6868 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6869 } else if (optval != NULL) { 6870 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6871 } 6872 out: 6873 return (error); 6874 } 6875 6876 #ifdef INET 6877 static int 6878 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6879 { 6880 int error = 0; 6881 int create_lock_on = 0; 6882 uint32_t vrf_id; 6883 struct sctp_inpcb *inp; 6884 struct sctp_tcb *stcb = NULL; 6885 6886 inp = (struct sctp_inpcb *)so->so_pcb; 6887 if (inp == NULL) { 6888 /* I made the same as TCP since we are not setup? */ 6889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6890 return (ECONNRESET); 6891 } 6892 if (addr == NULL) { 6893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6894 return EINVAL; 6895 } 6896 switch (addr->sa_family) { 6897 #ifdef INET6 6898 case AF_INET6: 6899 { 6900 struct sockaddr_in6 *sin6p; 6901 6902 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6904 return (EINVAL); 6905 } 6906 sin6p = (struct sockaddr_in6 *)addr; 6907 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6909 return (error); 6910 } 6911 break; 6912 } 6913 #endif 6914 #ifdef INET 6915 case AF_INET: 6916 { 6917 struct sockaddr_in *sinp; 6918 6919 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6921 return (EINVAL); 6922 } 6923 sinp = (struct sockaddr_in *)addr; 6924 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6926 return (error); 6927 } 6928 break; 6929 } 6930 #endif 6931 default: 6932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6933 return (EAFNOSUPPORT); 6934 } 6935 SCTP_INP_INCR_REF(inp); 6936 SCTP_ASOC_CREATE_LOCK(inp); 6937 create_lock_on = 1; 6938 6939 6940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6941 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6942 /* Should I really unlock ? */ 6943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6944 error = EFAULT; 6945 goto out_now; 6946 } 6947 #ifdef INET6 6948 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6949 (addr->sa_family == AF_INET6)) { 6950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6951 error = EINVAL; 6952 goto out_now; 6953 } 6954 #endif 6955 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6956 SCTP_PCB_FLAGS_UNBOUND) { 6957 /* Bind a ephemeral port */ 6958 error = sctp_inpcb_bind(so, NULL, NULL, p); 6959 if (error) { 6960 goto out_now; 6961 } 6962 } 6963 /* Now do we connect? */ 6964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6965 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6967 error = EINVAL; 6968 goto out_now; 6969 } 6970 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6971 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6972 /* We are already connected AND the TCP model */ 6973 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6974 error = EADDRINUSE; 6975 goto out_now; 6976 } 6977 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6978 SCTP_INP_RLOCK(inp); 6979 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6980 SCTP_INP_RUNLOCK(inp); 6981 } else { 6982 /* 6983 * We increment here since sctp_findassociation_ep_addr() 6984 * will do a decrement if it finds the stcb as long as the 6985 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6986 */ 6987 SCTP_INP_INCR_REF(inp); 6988 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6989 if (stcb == NULL) { 6990 SCTP_INP_DECR_REF(inp); 6991 } else { 6992 SCTP_TCB_UNLOCK(stcb); 6993 } 6994 } 6995 if (stcb != NULL) { 6996 /* Already have or am bring up an association */ 6997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6998 error = EALREADY; 6999 goto out_now; 7000 } 7001 vrf_id = inp->def_vrf_id; 7002 /* We are GOOD to go */ 7003 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7004 inp->sctp_ep.pre_open_stream_count, 7005 inp->sctp_ep.port, p); 7006 if (stcb == NULL) { 7007 /* Gak! no memory */ 7008 goto out_now; 7009 } 7010 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7011 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7012 /* Set the connected flag so we can queue data */ 7013 soisconnecting(so); 7014 } 7015 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7016 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7017 7018 /* initialize authentication parameters for the assoc */ 7019 sctp_initialize_auth_params(inp, stcb); 7020 7021 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7022 SCTP_TCB_UNLOCK(stcb); 7023 out_now: 7024 if (create_lock_on) { 7025 SCTP_ASOC_CREATE_UNLOCK(inp); 7026 } 7027 SCTP_INP_DECR_REF(inp); 7028 return (error); 7029 } 7030 7031 #endif 7032 7033 int 7034 sctp_listen(struct socket *so, int backlog, struct thread *p) 7035 { 7036 /* 7037 * Note this module depends on the protocol processing being called 7038 * AFTER any socket level flags and backlog are applied to the 7039 * socket. The traditional way that the socket flags are applied is 7040 * AFTER protocol processing. We have made a change to the 7041 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7042 * place if the socket API for SCTP is to work properly. 7043 */ 7044 7045 int error = 0; 7046 struct sctp_inpcb *inp; 7047 7048 inp = (struct sctp_inpcb *)so->so_pcb; 7049 if (inp == NULL) { 7050 /* I made the same as TCP since we are not setup? */ 7051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7052 return (ECONNRESET); 7053 } 7054 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7055 /* See if we have a listener */ 7056 struct sctp_inpcb *tinp; 7057 union sctp_sockstore store; 7058 7059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7060 /* not bound all */ 7061 struct sctp_laddr *laddr; 7062 7063 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7064 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7065 switch (store.sa.sa_family) { 7066 #ifdef INET 7067 case AF_INET: 7068 store.sin.sin_port = inp->sctp_lport; 7069 break; 7070 #endif 7071 #ifdef INET6 7072 case AF_INET6: 7073 store.sin6.sin6_port = inp->sctp_lport; 7074 break; 7075 #endif 7076 default: 7077 break; 7078 } 7079 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7080 if (tinp && (tinp != inp) && 7081 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7082 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7083 (tinp->sctp_socket->so_qlimit)) { 7084 /* 7085 * we have a listener already and 7086 * its not this inp. 7087 */ 7088 SCTP_INP_DECR_REF(tinp); 7089 return (EADDRINUSE); 7090 } else if (tinp) { 7091 SCTP_INP_DECR_REF(tinp); 7092 } 7093 } 7094 } else { 7095 /* Setup a local addr bound all */ 7096 memset(&store, 0, sizeof(store)); 7097 #ifdef INET6 7098 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7099 store.sa.sa_family = AF_INET6; 7100 store.sa.sa_len = sizeof(struct sockaddr_in6); 7101 } 7102 #endif 7103 #ifdef INET 7104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7105 store.sa.sa_family = AF_INET; 7106 store.sa.sa_len = sizeof(struct sockaddr_in); 7107 } 7108 #endif 7109 switch (store.sa.sa_family) { 7110 #ifdef INET 7111 case AF_INET: 7112 store.sin.sin_port = inp->sctp_lport; 7113 break; 7114 #endif 7115 #ifdef INET6 7116 case AF_INET6: 7117 store.sin6.sin6_port = inp->sctp_lport; 7118 break; 7119 #endif 7120 default: 7121 break; 7122 } 7123 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7124 if (tinp && (tinp != inp) && 7125 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7126 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7127 (tinp->sctp_socket->so_qlimit)) { 7128 /* 7129 * we have a listener already and its not 7130 * this inp. 7131 */ 7132 SCTP_INP_DECR_REF(tinp); 7133 return (EADDRINUSE); 7134 } else if (tinp) { 7135 SCTP_INP_DECR_REF(tinp); 7136 } 7137 } 7138 } 7139 SCTP_INP_RLOCK(inp); 7140 #ifdef SCTP_LOCK_LOGGING 7141 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7142 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7143 } 7144 #endif 7145 SOCK_LOCK(so); 7146 error = solisten_proto_check(so); 7147 SOCK_UNLOCK(so); 7148 if (error) { 7149 SCTP_INP_RUNLOCK(inp); 7150 return (error); 7151 } 7152 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7154 /* 7155 * The unlucky case - We are in the tcp pool with this guy. 7156 * - Someone else is in the main inp slot. - We must move 7157 * this guy (the listener) to the main slot - We must then 7158 * move the guy that was listener to the TCP Pool. 7159 */ 7160 if (sctp_swap_inpcb_for_listen(inp)) { 7161 SCTP_INP_RUNLOCK(inp); 7162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7163 return (EADDRINUSE); 7164 } 7165 } 7166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7167 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7168 /* We are already connected AND the TCP model */ 7169 SCTP_INP_RUNLOCK(inp); 7170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7171 return (EADDRINUSE); 7172 } 7173 SCTP_INP_RUNLOCK(inp); 7174 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7175 /* We must do a bind. */ 7176 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7177 /* bind error, probably perm */ 7178 return (error); 7179 } 7180 } 7181 SOCK_LOCK(so); 7182 /* It appears for 7.0 and on, we must always call this. */ 7183 solisten_proto(so, backlog); 7184 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7185 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7186 so->so_options &= ~SO_ACCEPTCONN; 7187 } 7188 if (backlog == 0) { 7189 /* turning off listen */ 7190 so->so_options &= ~SO_ACCEPTCONN; 7191 } 7192 SOCK_UNLOCK(so); 7193 return (error); 7194 } 7195 7196 static int sctp_defered_wakeup_cnt = 0; 7197 7198 int 7199 sctp_accept(struct socket *so, struct sockaddr **addr) 7200 { 7201 struct sctp_tcb *stcb; 7202 struct sctp_inpcb *inp; 7203 union sctp_sockstore store; 7204 7205 #ifdef INET6 7206 int error; 7207 7208 #endif 7209 inp = (struct sctp_inpcb *)so->so_pcb; 7210 7211 if (inp == NULL) { 7212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7213 return (ECONNRESET); 7214 } 7215 SCTP_INP_RLOCK(inp); 7216 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7217 SCTP_INP_RUNLOCK(inp); 7218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7219 return (EOPNOTSUPP); 7220 } 7221 if (so->so_state & SS_ISDISCONNECTED) { 7222 SCTP_INP_RUNLOCK(inp); 7223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7224 return (ECONNABORTED); 7225 } 7226 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7227 if (stcb == NULL) { 7228 SCTP_INP_RUNLOCK(inp); 7229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7230 return (ECONNRESET); 7231 } 7232 SCTP_TCB_LOCK(stcb); 7233 SCTP_INP_RUNLOCK(inp); 7234 store = stcb->asoc.primary_destination->ro._l_addr; 7235 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7236 SCTP_TCB_UNLOCK(stcb); 7237 switch (store.sa.sa_family) { 7238 #ifdef INET 7239 case AF_INET: 7240 { 7241 struct sockaddr_in *sin; 7242 7243 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7244 if (sin == NULL) 7245 return (ENOMEM); 7246 sin->sin_family = AF_INET; 7247 sin->sin_len = sizeof(*sin); 7248 sin->sin_port = store.sin.sin_port; 7249 sin->sin_addr = store.sin.sin_addr; 7250 *addr = (struct sockaddr *)sin; 7251 break; 7252 } 7253 #endif 7254 #ifdef INET6 7255 case AF_INET6: 7256 { 7257 struct sockaddr_in6 *sin6; 7258 7259 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7260 if (sin6 == NULL) 7261 return (ENOMEM); 7262 sin6->sin6_family = AF_INET6; 7263 sin6->sin6_len = sizeof(*sin6); 7264 sin6->sin6_port = store.sin6.sin6_port; 7265 sin6->sin6_addr = store.sin6.sin6_addr; 7266 if ((error = sa6_recoverscope(sin6)) != 0) { 7267 SCTP_FREE_SONAME(sin6); 7268 return (error); 7269 } 7270 *addr = (struct sockaddr *)sin6; 7271 break; 7272 } 7273 #endif 7274 default: 7275 /* TSNH */ 7276 break; 7277 } 7278 /* Wake any delayed sleep action */ 7279 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7280 SCTP_INP_WLOCK(inp); 7281 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7282 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7283 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7284 SCTP_INP_WUNLOCK(inp); 7285 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7286 if (sowriteable(inp->sctp_socket)) { 7287 sowwakeup_locked(inp->sctp_socket); 7288 } else { 7289 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7290 } 7291 SCTP_INP_WLOCK(inp); 7292 } 7293 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7294 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7295 SCTP_INP_WUNLOCK(inp); 7296 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7297 if (soreadable(inp->sctp_socket)) { 7298 sctp_defered_wakeup_cnt++; 7299 sorwakeup_locked(inp->sctp_socket); 7300 } else { 7301 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7302 } 7303 SCTP_INP_WLOCK(inp); 7304 } 7305 SCTP_INP_WUNLOCK(inp); 7306 } 7307 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7308 SCTP_TCB_LOCK(stcb); 7309 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7310 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7311 } 7312 return (0); 7313 } 7314 7315 #ifdef INET 7316 int 7317 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7318 { 7319 struct sockaddr_in *sin; 7320 uint32_t vrf_id; 7321 struct sctp_inpcb *inp; 7322 struct sctp_ifa *sctp_ifa; 7323 7324 /* 7325 * Do the malloc first in case it blocks. 7326 */ 7327 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7328 if (sin == NULL) 7329 return (ENOMEM); 7330 sin->sin_family = AF_INET; 7331 sin->sin_len = sizeof(*sin); 7332 inp = (struct sctp_inpcb *)so->so_pcb; 7333 if (!inp) { 7334 SCTP_FREE_SONAME(sin); 7335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7336 return (ECONNRESET); 7337 } 7338 SCTP_INP_RLOCK(inp); 7339 sin->sin_port = inp->sctp_lport; 7340 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7341 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7342 struct sctp_tcb *stcb; 7343 struct sockaddr_in *sin_a; 7344 struct sctp_nets *net; 7345 int fnd; 7346 7347 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7348 if (stcb == NULL) { 7349 goto notConn; 7350 } 7351 fnd = 0; 7352 sin_a = NULL; 7353 SCTP_TCB_LOCK(stcb); 7354 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7355 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7356 if (sin_a == NULL) 7357 /* this will make coverity happy */ 7358 continue; 7359 7360 if (sin_a->sin_family == AF_INET) { 7361 fnd = 1; 7362 break; 7363 } 7364 } 7365 if ((!fnd) || (sin_a == NULL)) { 7366 /* punt */ 7367 SCTP_TCB_UNLOCK(stcb); 7368 goto notConn; 7369 } 7370 vrf_id = inp->def_vrf_id; 7371 sctp_ifa = sctp_source_address_selection(inp, 7372 stcb, 7373 (sctp_route_t *) & net->ro, 7374 net, 0, vrf_id); 7375 if (sctp_ifa) { 7376 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7377 sctp_free_ifa(sctp_ifa); 7378 } 7379 SCTP_TCB_UNLOCK(stcb); 7380 } else { 7381 /* For the bound all case you get back 0 */ 7382 notConn: 7383 sin->sin_addr.s_addr = 0; 7384 } 7385 7386 } else { 7387 /* Take the first IPv4 address in the list */ 7388 struct sctp_laddr *laddr; 7389 int fnd = 0; 7390 7391 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7392 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7393 struct sockaddr_in *sin_a; 7394 7395 sin_a = &laddr->ifa->address.sin; 7396 sin->sin_addr = sin_a->sin_addr; 7397 fnd = 1; 7398 break; 7399 } 7400 } 7401 if (!fnd) { 7402 SCTP_FREE_SONAME(sin); 7403 SCTP_INP_RUNLOCK(inp); 7404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7405 return (ENOENT); 7406 } 7407 } 7408 SCTP_INP_RUNLOCK(inp); 7409 (*addr) = (struct sockaddr *)sin; 7410 return (0); 7411 } 7412 7413 int 7414 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7415 { 7416 struct sockaddr_in *sin; 7417 int fnd; 7418 struct sockaddr_in *sin_a; 7419 struct sctp_inpcb *inp; 7420 struct sctp_tcb *stcb; 7421 struct sctp_nets *net; 7422 7423 /* Do the malloc first in case it blocks. */ 7424 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7425 if (sin == NULL) 7426 return (ENOMEM); 7427 sin->sin_family = AF_INET; 7428 sin->sin_len = sizeof(*sin); 7429 7430 inp = (struct sctp_inpcb *)so->so_pcb; 7431 if ((inp == NULL) || 7432 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7433 /* UDP type and listeners will drop out here */ 7434 SCTP_FREE_SONAME(sin); 7435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7436 return (ENOTCONN); 7437 } 7438 SCTP_INP_RLOCK(inp); 7439 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7440 if (stcb) { 7441 SCTP_TCB_LOCK(stcb); 7442 } 7443 SCTP_INP_RUNLOCK(inp); 7444 if (stcb == NULL) { 7445 SCTP_FREE_SONAME(sin); 7446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7447 return (ECONNRESET); 7448 } 7449 fnd = 0; 7450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7451 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7452 if (sin_a->sin_family == AF_INET) { 7453 fnd = 1; 7454 sin->sin_port = stcb->rport; 7455 sin->sin_addr = sin_a->sin_addr; 7456 break; 7457 } 7458 } 7459 SCTP_TCB_UNLOCK(stcb); 7460 if (!fnd) { 7461 /* No IPv4 address */ 7462 SCTP_FREE_SONAME(sin); 7463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7464 return (ENOENT); 7465 } 7466 (*addr) = (struct sockaddr *)sin; 7467 return (0); 7468 } 7469 7470 struct pr_usrreqs sctp_usrreqs = { 7471 .pru_abort = sctp_abort, 7472 .pru_accept = sctp_accept, 7473 .pru_attach = sctp_attach, 7474 .pru_bind = sctp_bind, 7475 .pru_connect = sctp_connect, 7476 .pru_control = in_control, 7477 .pru_close = sctp_close, 7478 .pru_detach = sctp_close, 7479 .pru_sopoll = sopoll_generic, 7480 .pru_flush = sctp_flush, 7481 .pru_disconnect = sctp_disconnect, 7482 .pru_listen = sctp_listen, 7483 .pru_peeraddr = sctp_peeraddr, 7484 .pru_send = sctp_sendm, 7485 .pru_shutdown = sctp_shutdown, 7486 .pru_sockaddr = sctp_ingetaddr, 7487 .pru_sosend = sctp_sosend, 7488 .pru_soreceive = sctp_soreceive 7489 }; 7490 7491 #endif 7492