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