1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 55 56 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 #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; 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_seq); 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 uint16_t next_mtu) 156 { 157 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 158 struct socket *so; 159 160 #endif 161 int timer_stopped; 162 163 if (icmp_type != ICMP_UNREACH) { 164 /* We only care about unreachable */ 165 SCTP_TCB_UNLOCK(stcb); 166 return; 167 } 168 if ((icmp_code == ICMP_UNREACH_NET) || 169 (icmp_code == ICMP_UNREACH_HOST) || 170 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 171 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 172 (icmp_code == ICMP_UNREACH_ISOLATED) || 173 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 174 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 175 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 176 /* Mark the net unreachable. */ 177 if (net->dest_state & SCTP_ADDR_REACHABLE) { 178 /* OK, that destination is NOT reachable. */ 179 net->dest_state &= ~SCTP_ADDR_REACHABLE; 180 net->dest_state &= ~SCTP_ADDR_PF; 181 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 182 stcb, 0, 183 (void *)net, SCTP_SO_NOT_LOCKED); 184 } 185 SCTP_TCB_UNLOCK(stcb); 186 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 187 (icmp_code == ICMP_UNREACH_PORT)) { 188 /* Treat it like an ABORT. */ 189 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 190 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 191 so = SCTP_INP_SO(inp); 192 atomic_add_int(&stcb->asoc.refcnt, 1); 193 SCTP_TCB_UNLOCK(stcb); 194 SCTP_SOCKET_LOCK(so, 1); 195 SCTP_TCB_LOCK(stcb); 196 atomic_subtract_int(&stcb->asoc.refcnt, 1); 197 #endif 198 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 199 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 200 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 201 SCTP_SOCKET_UNLOCK(so, 1); 202 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 203 #endif 204 /* no need to unlock here, since the TCB is gone */ 205 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 206 /* Find the next (smaller) MTU */ 207 if (next_mtu == 0) { 208 /* 209 * Old type router that does not tell us what the 210 * next MTU is. Rats we will have to guess (in a 211 * educated fashion of course). 212 */ 213 next_mtu = sctp_get_prev_mtu(ip_len); 214 } 215 /* Stop the PMTU timer. */ 216 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 217 timer_stopped = 1; 218 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 219 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 220 } else { 221 timer_stopped = 0; 222 } 223 /* Update the path MTU. */ 224 if (net->mtu > next_mtu) { 225 net->mtu = next_mtu; 226 if (net->port) { 227 net->mtu -= sizeof(struct udphdr); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 409 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 410 411 412 #ifdef INET 413 static void 414 sctp_abort(struct socket *so) 415 { 416 struct sctp_inpcb *inp; 417 uint32_t flags; 418 419 inp = (struct sctp_inpcb *)so->so_pcb; 420 if (inp == NULL) { 421 return; 422 } 423 sctp_must_try_again: 424 flags = inp->sctp_flags; 425 #ifdef SCTP_LOG_CLOSING 426 sctp_log_closing(inp, NULL, 17); 427 #endif 428 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 429 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 430 #ifdef SCTP_LOG_CLOSING 431 sctp_log_closing(inp, NULL, 16); 432 #endif 433 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 434 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 435 SOCK_LOCK(so); 436 SCTP_SB_CLEAR(so->so_snd); 437 /* 438 * same for the rcv ones, they are only here for the 439 * accounting/select. 440 */ 441 SCTP_SB_CLEAR(so->so_rcv); 442 443 /* Now null out the reference, we are completely detached. */ 444 so->so_pcb = NULL; 445 SOCK_UNLOCK(so); 446 } else { 447 flags = inp->sctp_flags; 448 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 449 goto sctp_must_try_again; 450 } 451 } 452 return; 453 } 454 455 static int 456 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 457 { 458 struct sctp_inpcb *inp; 459 struct inpcb *ip_inp; 460 int error; 461 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 462 463 inp = (struct sctp_inpcb *)so->so_pcb; 464 if (inp != NULL) { 465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 466 return (EINVAL); 467 } 468 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 469 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 470 if (error) { 471 return (error); 472 } 473 } 474 error = sctp_inpcb_alloc(so, vrf_id); 475 if (error) { 476 return (error); 477 } 478 inp = (struct sctp_inpcb *)so->so_pcb; 479 SCTP_INP_WLOCK(inp); 480 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 481 ip_inp = &inp->ip_inp.inp; 482 ip_inp->inp_vflag |= INP_IPV4; 483 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 484 SCTP_INP_WUNLOCK(inp); 485 return (0); 486 } 487 488 static int 489 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 490 { 491 struct sctp_inpcb *inp; 492 493 inp = (struct sctp_inpcb *)so->so_pcb; 494 if (inp == NULL) { 495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 496 return (EINVAL); 497 } 498 if (addr != NULL) { 499 if ((addr->sa_family != AF_INET) || 500 (addr->sa_len != sizeof(struct sockaddr_in))) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 } 505 return (sctp_inpcb_bind(so, addr, NULL, p)); 506 } 507 508 #endif 509 void 510 sctp_close(struct socket *so) 511 { 512 struct sctp_inpcb *inp; 513 uint32_t flags; 514 515 inp = (struct sctp_inpcb *)so->so_pcb; 516 if (inp == NULL) 517 return; 518 519 /* 520 * Inform all the lower layer assoc that we are done. 521 */ 522 sctp_must_try_again: 523 flags = inp->sctp_flags; 524 #ifdef SCTP_LOG_CLOSING 525 sctp_log_closing(inp, NULL, 17); 526 #endif 527 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 528 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 529 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 530 (so->so_rcv.sb_cc > 0)) { 531 #ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 13); 533 #endif 534 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 535 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 536 } else { 537 #ifdef SCTP_LOG_CLOSING 538 sctp_log_closing(inp, NULL, 14); 539 #endif 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } 543 /* 544 * The socket is now detached, no matter what the state of 545 * the SCTP association. 546 */ 547 SOCK_LOCK(so); 548 SCTP_SB_CLEAR(so->so_snd); 549 /* 550 * same for the rcv ones, they are only here for the 551 * accounting/select. 552 */ 553 SCTP_SB_CLEAR(so->so_rcv); 554 555 /* Now null out the reference, we are completely detached. */ 556 so->so_pcb = NULL; 557 SOCK_UNLOCK(so); 558 } else { 559 flags = inp->sctp_flags; 560 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 561 goto sctp_must_try_again; 562 } 563 } 564 return; 565 } 566 567 568 int 569 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 570 struct mbuf *control, struct thread *p); 571 572 573 int 574 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 575 struct mbuf *control, struct thread *p) 576 { 577 struct sctp_inpcb *inp; 578 int error; 579 580 inp = (struct sctp_inpcb *)so->so_pcb; 581 if (inp == NULL) { 582 if (control) { 583 sctp_m_freem(control); 584 control = NULL; 585 } 586 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 587 sctp_m_freem(m); 588 return (EINVAL); 589 } 590 /* Got to have an to address if we are NOT a connected socket */ 591 if ((addr == NULL) && 592 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 593 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 594 goto connected_type; 595 } else if (addr == NULL) { 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 597 error = EDESTADDRREQ; 598 sctp_m_freem(m); 599 if (control) { 600 sctp_m_freem(control); 601 control = NULL; 602 } 603 return (error); 604 } 605 #ifdef INET6 606 if (addr->sa_family != AF_INET) { 607 /* must be a v4 address! */ 608 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 error = EDESTADDRREQ; 615 return (error); 616 } 617 #endif /* INET6 */ 618 connected_type: 619 /* now what about control */ 620 if (control) { 621 if (inp->control) { 622 SCTP_PRINTF("huh? control set?\n"); 623 sctp_m_freem(inp->control); 624 inp->control = NULL; 625 } 626 inp->control = control; 627 } 628 /* Place the data */ 629 if (inp->pkt) { 630 SCTP_BUF_NEXT(inp->pkt_last) = m; 631 inp->pkt_last = m; 632 } else { 633 inp->pkt_last = inp->pkt = m; 634 } 635 if ( 636 /* FreeBSD uses a flag passed */ 637 ((flags & PRUS_MORETOCOME) == 0) 638 ) { 639 /* 640 * note with the current version this code will only be used 641 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 642 * re-defining sosend to use the sctp_sosend. One can 643 * optionally switch back to this code (by changing back the 644 * definitions) but this is not advisable. This code is used 645 * by FreeBSD when sending a file with sendfile() though. 646 */ 647 int ret; 648 649 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 650 inp->pkt = NULL; 651 inp->control = NULL; 652 return (ret); 653 } else { 654 return (0); 655 } 656 } 657 658 int 659 sctp_disconnect(struct socket *so) 660 { 661 struct sctp_inpcb *inp; 662 663 inp = (struct sctp_inpcb *)so->so_pcb; 664 if (inp == NULL) { 665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 666 return (ENOTCONN); 667 } 668 SCTP_INP_RLOCK(inp); 669 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 670 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 671 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 672 /* No connection */ 673 SCTP_INP_RUNLOCK(inp); 674 return (0); 675 } else { 676 struct sctp_association *asoc; 677 struct sctp_tcb *stcb; 678 679 stcb = LIST_FIRST(&inp->sctp_asoc_list); 680 if (stcb == NULL) { 681 SCTP_INP_RUNLOCK(inp); 682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 683 return (EINVAL); 684 } 685 SCTP_TCB_LOCK(stcb); 686 asoc = &stcb->asoc; 687 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 688 /* We are about to be freed, out of here */ 689 SCTP_TCB_UNLOCK(stcb); 690 SCTP_INP_RUNLOCK(inp); 691 return (0); 692 } 693 if (((so->so_options & SO_LINGER) && 694 (so->so_linger == 0)) || 695 (so->so_rcv.sb_cc > 0)) { 696 if (SCTP_GET_STATE(asoc) != 697 SCTP_STATE_COOKIE_WAIT) { 698 /* Left with Data unread */ 699 struct mbuf *err; 700 701 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 702 if (err) { 703 /* 704 * Fill in the user 705 * initiated abort 706 */ 707 struct sctp_paramhdr *ph; 708 709 ph = mtod(err, struct sctp_paramhdr *); 710 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 711 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 712 ph->param_length = htons(SCTP_BUF_LEN(err)); 713 } 714 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 715 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 716 } 717 SCTP_INP_RUNLOCK(inp); 718 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 719 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 720 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 721 } 722 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 723 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 724 /* No unlock tcb assoc is gone */ 725 return (0); 726 } 727 if (TAILQ_EMPTY(&asoc->send_queue) && 728 TAILQ_EMPTY(&asoc->sent_queue) && 729 (asoc->stream_queue_cnt == 0)) { 730 /* there is nothing queued to send, so done */ 731 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 732 goto abort_anyway; 733 } 734 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 735 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 736 /* only send SHUTDOWN 1st time thru */ 737 struct sctp_nets *netp; 738 739 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 740 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 741 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 742 } 743 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 744 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 745 sctp_stop_timers_for_shutdown(stcb); 746 if (stcb->asoc.alternate) { 747 netp = stcb->asoc.alternate; 748 } else { 749 netp = stcb->asoc.primary_destination; 750 } 751 sctp_send_shutdown(stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 753 stcb->sctp_ep, stcb, netp); 754 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 755 stcb->sctp_ep, stcb, netp); 756 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 757 } 758 } else { 759 /* 760 * we still got (or just got) data to send, 761 * so set SHUTDOWN_PENDING 762 */ 763 /* 764 * XXX sockets draft says that SCTP_EOF 765 * should be sent with no data. currently, 766 * we will allow user data to be sent first 767 * and move to SHUTDOWN-PENDING 768 */ 769 struct sctp_nets *netp; 770 771 if (stcb->asoc.alternate) { 772 netp = stcb->asoc.alternate; 773 } else { 774 netp = stcb->asoc.primary_destination; 775 } 776 777 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 778 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 779 netp); 780 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 781 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 782 } 783 if (TAILQ_EMPTY(&asoc->send_queue) && 784 TAILQ_EMPTY(&asoc->sent_queue) && 785 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 786 struct mbuf *op_err; 787 788 abort_anyway: 789 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 790 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 791 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 792 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 793 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 794 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 795 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 796 } 797 SCTP_INP_RUNLOCK(inp); 798 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 799 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 800 return (0); 801 } else { 802 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 803 } 804 } 805 soisdisconnecting(so); 806 SCTP_TCB_UNLOCK(stcb); 807 SCTP_INP_RUNLOCK(inp); 808 return (0); 809 } 810 /* not reached */ 811 } else { 812 /* UDP model does not support this */ 813 SCTP_INP_RUNLOCK(inp); 814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 815 return (EOPNOTSUPP); 816 } 817 } 818 819 int 820 sctp_flush(struct socket *so, int how) 821 { 822 /* 823 * We will just clear out the values and let subsequent close clear 824 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 825 * they will not be able to read the data, the socket will block 826 * that from happening. 827 */ 828 struct sctp_inpcb *inp; 829 830 inp = (struct sctp_inpcb *)so->so_pcb; 831 if (inp == NULL) { 832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 833 return (EINVAL); 834 } 835 SCTP_INP_RLOCK(inp); 836 /* For the 1 to many model this does nothing */ 837 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 838 SCTP_INP_RUNLOCK(inp); 839 return (0); 840 } 841 SCTP_INP_RUNLOCK(inp); 842 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 843 /* 844 * First make sure the sb will be happy, we don't use these 845 * except maybe the count 846 */ 847 SCTP_INP_WLOCK(inp); 848 SCTP_INP_READ_LOCK(inp); 849 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 850 SCTP_INP_READ_UNLOCK(inp); 851 SCTP_INP_WUNLOCK(inp); 852 so->so_rcv.sb_cc = 0; 853 so->so_rcv.sb_mbcnt = 0; 854 so->so_rcv.sb_mb = NULL; 855 } 856 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 857 /* 858 * First make sure the sb will be happy, we don't use these 859 * except maybe the count 860 */ 861 so->so_snd.sb_cc = 0; 862 so->so_snd.sb_mbcnt = 0; 863 so->so_snd.sb_mb = NULL; 864 865 } 866 return (0); 867 } 868 869 int 870 sctp_shutdown(struct socket *so) 871 { 872 struct sctp_inpcb *inp; 873 874 inp = (struct sctp_inpcb *)so->so_pcb; 875 if (inp == NULL) { 876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 877 return (EINVAL); 878 } 879 SCTP_INP_RLOCK(inp); 880 /* For UDP model this is a invalid call */ 881 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 882 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 883 /* Restore the flags that the soshutdown took away. */ 884 SOCKBUF_LOCK(&so->so_rcv); 885 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 886 SOCKBUF_UNLOCK(&so->so_rcv); 887 /* This proc will wakeup for read and do nothing (I hope) */ 888 SCTP_INP_RUNLOCK(inp); 889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 890 return (EOPNOTSUPP); 891 } else { 892 /* 893 * Ok, if we reach here its the TCP model and it is either a 894 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 895 * against it. 896 */ 897 struct sctp_tcb *stcb; 898 struct sctp_association *asoc; 899 struct sctp_nets *netp; 900 901 if ((so->so_state & 902 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 903 SCTP_INP_RUNLOCK(inp); 904 return (ENOTCONN); 905 } 906 socantsendmore(so); 907 908 stcb = LIST_FIRST(&inp->sctp_asoc_list); 909 if (stcb == NULL) { 910 /* 911 * Ok, we hit the case that the shutdown call was 912 * made after an abort or something. Nothing to do 913 * now. 914 */ 915 SCTP_INP_RUNLOCK(inp); 916 return (0); 917 } 918 SCTP_TCB_LOCK(stcb); 919 asoc = &stcb->asoc; 920 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 921 SCTP_TCB_UNLOCK(stcb); 922 SCTP_INP_RUNLOCK(inp); 923 return (0); 924 } 925 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 926 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 927 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 928 /* 929 * If we are not in or before ESTABLISHED, there is 930 * no protocol action required. 931 */ 932 SCTP_TCB_UNLOCK(stcb); 933 SCTP_INP_RUNLOCK(inp); 934 return (0); 935 } 936 if (stcb->asoc.alternate) { 937 netp = stcb->asoc.alternate; 938 } else { 939 netp = stcb->asoc.primary_destination; 940 } 941 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 942 TAILQ_EMPTY(&asoc->send_queue) && 943 TAILQ_EMPTY(&asoc->sent_queue) && 944 (asoc->stream_queue_cnt == 0)) { 945 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 946 goto abort_anyway; 947 } 948 /* there is nothing queued to send, so I'm done... */ 949 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 950 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 951 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 952 sctp_stop_timers_for_shutdown(stcb); 953 sctp_send_shutdown(stcb, netp); 954 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 955 stcb->sctp_ep, stcb, netp); 956 } else { 957 /* 958 * We still got (or just got) data to send, so set 959 * SHUTDOWN_PENDING. 960 */ 961 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 962 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 963 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 964 } 965 if (TAILQ_EMPTY(&asoc->send_queue) && 966 TAILQ_EMPTY(&asoc->sent_queue) && 967 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 968 struct mbuf *op_err; 969 970 abort_anyway: 971 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 972 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 973 sctp_abort_an_association(stcb->sctp_ep, stcb, 974 op_err, SCTP_SO_LOCKED); 975 SCTP_INP_RUNLOCK(inp); 976 return (0); 977 } 978 } 979 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 980 /* 981 * XXX: Why do this in the case where we have still data 982 * queued? 983 */ 984 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 985 SCTP_TCB_UNLOCK(stcb); 986 SCTP_INP_RUNLOCK(inp); 987 return (0); 988 } 989 } 990 991 /* 992 * copies a "user" presentable address and removes embedded scope, etc. 993 * returns 0 on success, 1 on error 994 */ 995 static uint32_t 996 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 997 { 998 #ifdef INET6 999 struct sockaddr_in6 lsa6; 1000 1001 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1002 &lsa6); 1003 #endif 1004 memcpy(ss, sa, sa->sa_len); 1005 return (0); 1006 } 1007 1008 1009 1010 /* 1011 * NOTE: assumes addr lock is held 1012 */ 1013 static size_t 1014 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1015 struct sctp_tcb *stcb, 1016 size_t limit, 1017 struct sockaddr_storage *sas, 1018 uint32_t vrf_id) 1019 { 1020 struct sctp_ifn *sctp_ifn; 1021 struct sctp_ifa *sctp_ifa; 1022 size_t actual; 1023 int loopback_scope; 1024 1025 #if defined(INET) 1026 int ipv4_local_scope, ipv4_addr_legal; 1027 1028 #endif 1029 #if defined(INET6) 1030 int local_scope, site_scope, ipv6_addr_legal; 1031 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 * 1180 * li 1181 * nk 1182 * 1183 * loc 1184 * al 1185 * 1186 * add 1187 * re 1188 * ss 1189 * */ 1190 continue; 1191 } 1192 } 1193 if ((site_scope == 0) && 1194 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1195 continue; 1196 } 1197 memcpy(sas, sin6, sizeof(*sin6)); 1198 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1199 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1200 actual += sizeof(*sin6); 1201 if (actual >= limit) { 1202 return (actual); 1203 } 1204 } else { 1205 continue; 1206 } 1207 break; 1208 #endif 1209 default: 1210 /* TSNH */ 1211 break; 1212 } 1213 } 1214 } 1215 } else { 1216 struct sctp_laddr *laddr; 1217 1218 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1219 if (stcb) { 1220 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1221 continue; 1222 } 1223 } 1224 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1225 continue; 1226 switch (laddr->ifa->address.sa.sa_family) { 1227 #ifdef INET 1228 case AF_INET: 1229 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 #ifdef INET6 1233 case AF_INET6: 1234 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1235 break; 1236 #endif 1237 default: 1238 /* TSNH */ 1239 break; 1240 } 1241 sas = (struct sockaddr_storage *)((caddr_t)sas + 1242 laddr->ifa->address.sa.sa_len); 1243 actual += laddr->ifa->address.sa.sa_len; 1244 if (actual >= limit) { 1245 return (actual); 1246 } 1247 } 1248 } 1249 return (actual); 1250 } 1251 1252 static size_t 1253 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1254 struct sctp_tcb *stcb, 1255 size_t limit, 1256 struct sockaddr_storage *sas) 1257 { 1258 size_t size = 0; 1259 1260 SCTP_IPI_ADDR_RLOCK(); 1261 /* fill up addresses for the endpoint's default vrf */ 1262 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1263 inp->def_vrf_id); 1264 SCTP_IPI_ADDR_RUNLOCK(); 1265 return (size); 1266 } 1267 1268 /* 1269 * NOTE: assumes addr lock is held 1270 */ 1271 static int 1272 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1273 { 1274 int cnt = 0; 1275 struct sctp_vrf *vrf = NULL; 1276 1277 /* 1278 * In both sub-set bound an bound_all cases we return the MAXIMUM 1279 * number of addresses that you COULD get. In reality the sub-set 1280 * bound may have an exclusion list for a given TCB OR in the 1281 * bound-all case a TCB may NOT include the loopback or other 1282 * addresses as well. 1283 */ 1284 vrf = sctp_find_vrf(vrf_id); 1285 if (vrf == NULL) { 1286 return (0); 1287 } 1288 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1289 struct sctp_ifn *sctp_ifn; 1290 struct sctp_ifa *sctp_ifa; 1291 1292 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1293 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1294 /* Count them if they are the right type */ 1295 switch (sctp_ifa->address.sa.sa_family) { 1296 #ifdef INET 1297 case AF_INET: 1298 #ifdef INET6 1299 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1300 cnt += sizeof(struct sockaddr_in6); 1301 else 1302 cnt += sizeof(struct sockaddr_in); 1303 #else 1304 cnt += sizeof(struct sockaddr_in); 1305 #endif 1306 break; 1307 #endif 1308 #ifdef INET6 1309 case AF_INET6: 1310 cnt += sizeof(struct sockaddr_in6); 1311 break; 1312 #endif 1313 default: 1314 break; 1315 } 1316 } 1317 } 1318 } else { 1319 struct sctp_laddr *laddr; 1320 1321 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1322 switch (laddr->ifa->address.sa.sa_family) { 1323 #ifdef INET 1324 case AF_INET: 1325 #ifdef INET6 1326 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1327 cnt += sizeof(struct sockaddr_in6); 1328 else 1329 cnt += sizeof(struct sockaddr_in); 1330 #else 1331 cnt += sizeof(struct sockaddr_in); 1332 #endif 1333 break; 1334 #endif 1335 #ifdef INET6 1336 case AF_INET6: 1337 cnt += sizeof(struct sockaddr_in6); 1338 break; 1339 #endif 1340 default: 1341 break; 1342 } 1343 } 1344 } 1345 return (cnt); 1346 } 1347 1348 static int 1349 sctp_count_max_addresses(struct sctp_inpcb *inp) 1350 { 1351 int cnt = 0; 1352 1353 SCTP_IPI_ADDR_RLOCK(); 1354 /* count addresses for the endpoint's default VRF */ 1355 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1356 SCTP_IPI_ADDR_RUNLOCK(); 1357 return (cnt); 1358 } 1359 1360 static int 1361 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1362 size_t optsize, void *p, int delay) 1363 { 1364 int error = 0; 1365 int creat_lock_on = 0; 1366 struct sctp_tcb *stcb = NULL; 1367 struct sockaddr *sa; 1368 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1369 uint32_t vrf_id; 1370 int bad_addresses = 0; 1371 sctp_assoc_t *a_id; 1372 1373 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1374 1375 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1376 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1377 /* We are already connected AND the TCP model */ 1378 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1379 return (EADDRINUSE); 1380 } 1381 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1382 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1383 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1384 return (EINVAL); 1385 } 1386 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1387 SCTP_INP_RLOCK(inp); 1388 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1389 SCTP_INP_RUNLOCK(inp); 1390 } 1391 if (stcb) { 1392 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1393 return (EALREADY); 1394 } 1395 SCTP_INP_INCR_REF(inp); 1396 SCTP_ASOC_CREATE_LOCK(inp); 1397 creat_lock_on = 1; 1398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1399 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1400 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1401 error = EFAULT; 1402 goto out_now; 1403 } 1404 totaddrp = (unsigned int *)optval; 1405 totaddr = *totaddrp; 1406 sa = (struct sockaddr *)(totaddrp + 1); 1407 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1408 if ((stcb != NULL) || bad_addresses) { 1409 /* Already have or am bring up an association */ 1410 SCTP_ASOC_CREATE_UNLOCK(inp); 1411 creat_lock_on = 0; 1412 if (stcb) 1413 SCTP_TCB_UNLOCK(stcb); 1414 if (bad_addresses == 0) { 1415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1416 error = EALREADY; 1417 } 1418 goto out_now; 1419 } 1420 #ifdef INET6 1421 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1422 (num_v6 > 0)) { 1423 error = EINVAL; 1424 goto out_now; 1425 } 1426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1427 (num_v4 > 0)) { 1428 struct in6pcb *inp6; 1429 1430 inp6 = (struct in6pcb *)inp; 1431 if (SCTP_IPV6_V6ONLY(inp6)) { 1432 /* 1433 * if IPV6_V6ONLY flag, ignore connections destined 1434 * to a v4 addr or v4-mapped addr 1435 */ 1436 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1437 error = EINVAL; 1438 goto out_now; 1439 } 1440 } 1441 #endif /* INET6 */ 1442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1443 SCTP_PCB_FLAGS_UNBOUND) { 1444 /* Bind a ephemeral port */ 1445 error = sctp_inpcb_bind(so, NULL, NULL, p); 1446 if (error) { 1447 goto out_now; 1448 } 1449 } 1450 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1451 vrf_id = inp->def_vrf_id; 1452 1453 1454 /* We are GOOD to go */ 1455 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1456 inp->sctp_ep.pre_open_stream_count, 1457 inp->sctp_ep.port, 1458 (struct thread *)p 1459 ); 1460 if (stcb == NULL) { 1461 /* Gak! no memory */ 1462 goto out_now; 1463 } 1464 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1465 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1466 /* Set the connected flag so we can queue data */ 1467 soisconnecting(so); 1468 } 1469 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1470 /* move to second address */ 1471 switch (sa->sa_family) { 1472 #ifdef INET 1473 case AF_INET: 1474 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1475 break; 1476 #endif 1477 #ifdef INET6 1478 case AF_INET6: 1479 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1480 break; 1481 #endif 1482 default: 1483 break; 1484 } 1485 1486 error = 0; 1487 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1488 /* Fill in the return id */ 1489 if (error) { 1490 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1491 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1492 goto out_now; 1493 } 1494 a_id = (sctp_assoc_t *) optval; 1495 *a_id = sctp_get_associd(stcb); 1496 1497 /* initialize authentication parameters for the assoc */ 1498 sctp_initialize_auth_params(inp, stcb); 1499 1500 if (delay) { 1501 /* doing delayed connection */ 1502 stcb->asoc.delayed_connection = 1; 1503 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1504 } else { 1505 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1506 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1507 } 1508 SCTP_TCB_UNLOCK(stcb); 1509 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1510 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1511 /* Set the connected flag so we can queue data */ 1512 soisconnecting(so); 1513 } 1514 out_now: 1515 if (creat_lock_on) { 1516 SCTP_ASOC_CREATE_UNLOCK(inp); 1517 } 1518 SCTP_INP_DECR_REF(inp); 1519 return (error); 1520 } 1521 1522 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1524 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1525 SCTP_INP_RLOCK(inp); \ 1526 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1527 if (stcb) { \ 1528 SCTP_TCB_LOCK(stcb); \ 1529 } \ 1530 SCTP_INP_RUNLOCK(inp); \ 1531 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1532 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1533 if (stcb == NULL) { \ 1534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1535 error = ENOENT; \ 1536 break; \ 1537 } \ 1538 } else { \ 1539 stcb = NULL; \ 1540 } \ 1541 } 1542 1543 1544 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1545 if (size < sizeof(type)) { \ 1546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1547 error = EINVAL; \ 1548 break; \ 1549 } else { \ 1550 destp = (type *)srcp; \ 1551 } \ 1552 } 1553 1554 static int 1555 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1556 void *p) 1557 { 1558 struct sctp_inpcb *inp = NULL; 1559 int error, val = 0; 1560 struct sctp_tcb *stcb = NULL; 1561 1562 if (optval == NULL) { 1563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1564 return (EINVAL); 1565 } 1566 inp = (struct sctp_inpcb *)so->so_pcb; 1567 if (inp == NULL) { 1568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1569 return EINVAL; 1570 } 1571 error = 0; 1572 1573 switch (optname) { 1574 case SCTP_NODELAY: 1575 case SCTP_AUTOCLOSE: 1576 case SCTP_EXPLICIT_EOR: 1577 case SCTP_AUTO_ASCONF: 1578 case SCTP_DISABLE_FRAGMENTS: 1579 case SCTP_I_WANT_MAPPED_V4_ADDR: 1580 case SCTP_USE_EXT_RCVINFO: 1581 SCTP_INP_RLOCK(inp); 1582 switch (optname) { 1583 case SCTP_DISABLE_FRAGMENTS: 1584 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1585 break; 1586 case SCTP_I_WANT_MAPPED_V4_ADDR: 1587 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1588 break; 1589 case SCTP_AUTO_ASCONF: 1590 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1591 /* only valid for bound all sockets */ 1592 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1593 } else { 1594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1595 error = EINVAL; 1596 goto flags_out; 1597 } 1598 break; 1599 case SCTP_EXPLICIT_EOR: 1600 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1601 break; 1602 case SCTP_NODELAY: 1603 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1604 break; 1605 case SCTP_USE_EXT_RCVINFO: 1606 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1607 break; 1608 case SCTP_AUTOCLOSE: 1609 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1610 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1611 else 1612 val = 0; 1613 break; 1614 1615 default: 1616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1617 error = ENOPROTOOPT; 1618 } /* end switch (sopt->sopt_name) */ 1619 if (*optsize < sizeof(val)) { 1620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1621 error = EINVAL; 1622 } 1623 flags_out: 1624 SCTP_INP_RUNLOCK(inp); 1625 if (error == 0) { 1626 /* return the option value */ 1627 *(int *)optval = val; 1628 *optsize = sizeof(val); 1629 } 1630 break; 1631 case SCTP_GET_PACKET_LOG: 1632 { 1633 #ifdef SCTP_PACKET_LOGGING 1634 uint8_t *target; 1635 int ret; 1636 1637 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1638 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1639 *optsize = ret; 1640 #else 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1642 error = EOPNOTSUPP; 1643 #endif 1644 break; 1645 } 1646 case SCTP_REUSE_PORT: 1647 { 1648 uint32_t *value; 1649 1650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1651 /* Can't do this for a 1-m socket */ 1652 error = EINVAL; 1653 break; 1654 } 1655 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1656 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1657 *optsize = sizeof(uint32_t); 1658 break; 1659 } 1660 case SCTP_PARTIAL_DELIVERY_POINT: 1661 { 1662 uint32_t *value; 1663 1664 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1665 *value = inp->partial_delivery_point; 1666 *optsize = sizeof(uint32_t); 1667 break; 1668 } 1669 case SCTP_FRAGMENT_INTERLEAVE: 1670 { 1671 uint32_t *value; 1672 1673 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1674 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1675 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1676 *value = SCTP_FRAG_LEVEL_2; 1677 } else { 1678 *value = SCTP_FRAG_LEVEL_1; 1679 } 1680 } else { 1681 *value = SCTP_FRAG_LEVEL_0; 1682 } 1683 *optsize = sizeof(uint32_t); 1684 break; 1685 } 1686 case SCTP_INTERLEAVING_SUPPORTED: 1687 { 1688 struct sctp_assoc_value *av; 1689 1690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1691 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1692 1693 if (stcb) { 1694 av->assoc_value = stcb->asoc.idata_supported; 1695 SCTP_TCB_UNLOCK(stcb); 1696 } else { 1697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1699 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1700 SCTP_INP_RLOCK(inp); 1701 if (inp->idata_supported) { 1702 av->assoc_value = 1; 1703 } else { 1704 av->assoc_value = 0; 1705 } 1706 SCTP_INP_RUNLOCK(inp); 1707 } else { 1708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1709 error = EINVAL; 1710 } 1711 } 1712 if (error == 0) { 1713 *optsize = sizeof(struct sctp_assoc_value); 1714 } 1715 break; 1716 } 1717 case SCTP_CMT_ON_OFF: 1718 { 1719 struct sctp_assoc_value *av; 1720 1721 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1722 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1723 if (stcb) { 1724 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1725 SCTP_TCB_UNLOCK(stcb); 1726 } else { 1727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1729 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1730 SCTP_INP_RLOCK(inp); 1731 av->assoc_value = inp->sctp_cmt_on_off; 1732 SCTP_INP_RUNLOCK(inp); 1733 } else { 1734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1735 error = EINVAL; 1736 } 1737 } 1738 if (error == 0) { 1739 *optsize = sizeof(struct sctp_assoc_value); 1740 } 1741 break; 1742 } 1743 case SCTP_PLUGGABLE_CC: 1744 { 1745 struct sctp_assoc_value *av; 1746 1747 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1748 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1749 if (stcb) { 1750 av->assoc_value = stcb->asoc.congestion_control_module; 1751 SCTP_TCB_UNLOCK(stcb); 1752 } else { 1753 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1754 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1755 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1756 SCTP_INP_RLOCK(inp); 1757 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1758 SCTP_INP_RUNLOCK(inp); 1759 } else { 1760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1761 error = EINVAL; 1762 } 1763 } 1764 if (error == 0) { 1765 *optsize = sizeof(struct sctp_assoc_value); 1766 } 1767 break; 1768 } 1769 case SCTP_CC_OPTION: 1770 { 1771 struct sctp_cc_option *cc_opt; 1772 1773 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1774 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1775 if (stcb == NULL) { 1776 error = EINVAL; 1777 } else { 1778 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1779 error = ENOTSUP; 1780 } else { 1781 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1782 *optsize = sizeof(struct sctp_cc_option); 1783 } 1784 SCTP_TCB_UNLOCK(stcb); 1785 } 1786 break; 1787 } 1788 case SCTP_PLUGGABLE_SS: 1789 { 1790 struct sctp_assoc_value *av; 1791 1792 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1793 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1794 if (stcb) { 1795 av->assoc_value = stcb->asoc.stream_scheduling_module; 1796 SCTP_TCB_UNLOCK(stcb); 1797 } else { 1798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1800 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1801 SCTP_INP_RLOCK(inp); 1802 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1803 SCTP_INP_RUNLOCK(inp); 1804 } else { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } 1808 } 1809 if (error == 0) { 1810 *optsize = sizeof(struct sctp_assoc_value); 1811 } 1812 break; 1813 } 1814 case SCTP_SS_VALUE: 1815 { 1816 struct sctp_stream_value *av; 1817 1818 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1819 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1820 if (stcb) { 1821 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1822 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1823 &av->stream_value) < 0)) { 1824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1825 error = EINVAL; 1826 } else { 1827 *optsize = sizeof(struct sctp_stream_value); 1828 } 1829 SCTP_TCB_UNLOCK(stcb); 1830 } else { 1831 /* 1832 * Can't get stream value without 1833 * association 1834 */ 1835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1836 error = EINVAL; 1837 } 1838 break; 1839 } 1840 case SCTP_GET_ADDR_LEN: 1841 { 1842 struct sctp_assoc_value *av; 1843 1844 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1845 error = EINVAL; 1846 #ifdef INET 1847 if (av->assoc_value == AF_INET) { 1848 av->assoc_value = sizeof(struct sockaddr_in); 1849 error = 0; 1850 } 1851 #endif 1852 #ifdef INET6 1853 if (av->assoc_value == AF_INET6) { 1854 av->assoc_value = sizeof(struct sockaddr_in6); 1855 error = 0; 1856 } 1857 #endif 1858 if (error) { 1859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1860 } else { 1861 *optsize = sizeof(struct sctp_assoc_value); 1862 } 1863 break; 1864 } 1865 case SCTP_GET_ASSOC_NUMBER: 1866 { 1867 uint32_t *value, cnt; 1868 1869 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1870 SCTP_INP_RLOCK(inp); 1871 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1872 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1873 /* Can't do this for a 1-1 socket */ 1874 error = EINVAL; 1875 SCTP_INP_RUNLOCK(inp); 1876 break; 1877 } 1878 cnt = 0; 1879 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1880 cnt++; 1881 } 1882 SCTP_INP_RUNLOCK(inp); 1883 *value = cnt; 1884 *optsize = sizeof(uint32_t); 1885 break; 1886 } 1887 case SCTP_GET_ASSOC_ID_LIST: 1888 { 1889 struct sctp_assoc_ids *ids; 1890 uint32_t at; 1891 size_t limit; 1892 1893 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1894 SCTP_INP_RLOCK(inp); 1895 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1896 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1897 /* Can't do this for a 1-1 socket */ 1898 error = EINVAL; 1899 SCTP_INP_RUNLOCK(inp); 1900 break; 1901 } 1902 at = 0; 1903 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1904 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1905 if (at < limit) { 1906 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1907 if (at == 0) { 1908 error = EINVAL; 1909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1910 break; 1911 } 1912 } else { 1913 error = EINVAL; 1914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1915 break; 1916 } 1917 } 1918 SCTP_INP_RUNLOCK(inp); 1919 if (error == 0) { 1920 ids->gaids_number_of_ids = at; 1921 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1922 } 1923 break; 1924 } 1925 case SCTP_CONTEXT: 1926 { 1927 struct sctp_assoc_value *av; 1928 1929 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1930 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1931 1932 if (stcb) { 1933 av->assoc_value = stcb->asoc.context; 1934 SCTP_TCB_UNLOCK(stcb); 1935 } else { 1936 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1937 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1938 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1939 SCTP_INP_RLOCK(inp); 1940 av->assoc_value = inp->sctp_context; 1941 SCTP_INP_RUNLOCK(inp); 1942 } else { 1943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1944 error = EINVAL; 1945 } 1946 } 1947 if (error == 0) { 1948 *optsize = sizeof(struct sctp_assoc_value); 1949 } 1950 break; 1951 } 1952 case SCTP_VRF_ID: 1953 { 1954 uint32_t *default_vrfid; 1955 1956 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1957 *default_vrfid = inp->def_vrf_id; 1958 *optsize = sizeof(uint32_t); 1959 break; 1960 } 1961 case SCTP_GET_ASOC_VRF: 1962 { 1963 struct sctp_assoc_value *id; 1964 1965 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1966 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1967 if (stcb == NULL) { 1968 error = EINVAL; 1969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1970 } else { 1971 id->assoc_value = stcb->asoc.vrf_id; 1972 *optsize = sizeof(struct sctp_assoc_value); 1973 } 1974 break; 1975 } 1976 case SCTP_GET_VRF_IDS: 1977 { 1978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1979 error = EOPNOTSUPP; 1980 break; 1981 } 1982 case SCTP_GET_NONCE_VALUES: 1983 { 1984 struct sctp_get_nonce_values *gnv; 1985 1986 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1987 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1988 1989 if (stcb) { 1990 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1991 gnv->gn_local_tag = stcb->asoc.my_vtag; 1992 SCTP_TCB_UNLOCK(stcb); 1993 *optsize = sizeof(struct sctp_get_nonce_values); 1994 } else { 1995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1996 error = ENOTCONN; 1997 } 1998 break; 1999 } 2000 case SCTP_DELAYED_SACK: 2001 { 2002 struct sctp_sack_info *sack; 2003 2004 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2005 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2006 if (stcb) { 2007 sack->sack_delay = stcb->asoc.delayed_ack; 2008 sack->sack_freq = stcb->asoc.sack_freq; 2009 SCTP_TCB_UNLOCK(stcb); 2010 } else { 2011 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2012 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2013 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2014 SCTP_INP_RLOCK(inp); 2015 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2016 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2017 SCTP_INP_RUNLOCK(inp); 2018 } else { 2019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2020 error = EINVAL; 2021 } 2022 } 2023 if (error == 0) { 2024 *optsize = sizeof(struct sctp_sack_info); 2025 } 2026 break; 2027 } 2028 case SCTP_GET_SNDBUF_USE: 2029 { 2030 struct sctp_sockstat *ss; 2031 2032 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2033 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2034 2035 if (stcb) { 2036 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2037 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2038 stcb->asoc.size_on_all_streams); 2039 SCTP_TCB_UNLOCK(stcb); 2040 *optsize = sizeof(struct sctp_sockstat); 2041 } else { 2042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2043 error = ENOTCONN; 2044 } 2045 break; 2046 } 2047 case SCTP_MAX_BURST: 2048 { 2049 struct sctp_assoc_value *av; 2050 2051 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2052 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2053 2054 if (stcb) { 2055 av->assoc_value = stcb->asoc.max_burst; 2056 SCTP_TCB_UNLOCK(stcb); 2057 } else { 2058 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2059 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2060 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2061 SCTP_INP_RLOCK(inp); 2062 av->assoc_value = inp->sctp_ep.max_burst; 2063 SCTP_INP_RUNLOCK(inp); 2064 } else { 2065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2066 error = EINVAL; 2067 } 2068 } 2069 if (error == 0) { 2070 *optsize = sizeof(struct sctp_assoc_value); 2071 } 2072 break; 2073 } 2074 case SCTP_MAXSEG: 2075 { 2076 struct sctp_assoc_value *av; 2077 int ovh; 2078 2079 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2080 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2081 2082 if (stcb) { 2083 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2084 SCTP_TCB_UNLOCK(stcb); 2085 } else { 2086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2088 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2089 SCTP_INP_RLOCK(inp); 2090 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2091 ovh = SCTP_MED_OVERHEAD; 2092 } else { 2093 ovh = SCTP_MED_V4_OVERHEAD; 2094 } 2095 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2096 av->assoc_value = 0; 2097 else 2098 av->assoc_value = inp->sctp_frag_point - ovh; 2099 SCTP_INP_RUNLOCK(inp); 2100 } else { 2101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2102 error = EINVAL; 2103 } 2104 } 2105 if (error == 0) { 2106 *optsize = sizeof(struct sctp_assoc_value); 2107 } 2108 break; 2109 } 2110 case SCTP_GET_STAT_LOG: 2111 error = sctp_fill_stat_log(optval, optsize); 2112 break; 2113 case SCTP_EVENTS: 2114 { 2115 struct sctp_event_subscribe *events; 2116 2117 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2118 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2119 SCTP_INP_RLOCK(inp); 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2121 events->sctp_data_io_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2124 events->sctp_association_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2127 events->sctp_address_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2130 events->sctp_send_failure_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2133 events->sctp_peer_error_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2136 events->sctp_shutdown_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2139 events->sctp_partial_delivery_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2142 events->sctp_adaptation_layer_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2145 events->sctp_authentication_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2148 events->sctp_sender_dry_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2151 events->sctp_stream_reset_event = 1; 2152 SCTP_INP_RUNLOCK(inp); 2153 *optsize = sizeof(struct sctp_event_subscribe); 2154 break; 2155 } 2156 case SCTP_ADAPTATION_LAYER: 2157 { 2158 uint32_t *value; 2159 2160 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2161 2162 SCTP_INP_RLOCK(inp); 2163 *value = inp->sctp_ep.adaptation_layer_indicator; 2164 SCTP_INP_RUNLOCK(inp); 2165 *optsize = sizeof(uint32_t); 2166 break; 2167 } 2168 case SCTP_SET_INITIAL_DBG_SEQ: 2169 { 2170 uint32_t *value; 2171 2172 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2173 SCTP_INP_RLOCK(inp); 2174 *value = inp->sctp_ep.initial_sequence_debug; 2175 SCTP_INP_RUNLOCK(inp); 2176 *optsize = sizeof(uint32_t); 2177 break; 2178 } 2179 case SCTP_GET_LOCAL_ADDR_SIZE: 2180 { 2181 uint32_t *value; 2182 2183 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2184 SCTP_INP_RLOCK(inp); 2185 *value = sctp_count_max_addresses(inp); 2186 SCTP_INP_RUNLOCK(inp); 2187 *optsize = sizeof(uint32_t); 2188 break; 2189 } 2190 case SCTP_GET_REMOTE_ADDR_SIZE: 2191 { 2192 uint32_t *value; 2193 size_t size; 2194 struct sctp_nets *net; 2195 2196 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2197 /* FIXME MT: change to sctp_assoc_value? */ 2198 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2199 2200 if (stcb) { 2201 size = 0; 2202 /* Count the sizes */ 2203 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2204 switch (net->ro._l_addr.sa.sa_family) { 2205 #ifdef INET 2206 case AF_INET: 2207 #ifdef INET6 2208 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2209 size += sizeof(struct sockaddr_in6); 2210 } else { 2211 size += sizeof(struct sockaddr_in); 2212 } 2213 #else 2214 size += sizeof(struct sockaddr_in); 2215 #endif 2216 break; 2217 #endif 2218 #ifdef INET6 2219 case AF_INET6: 2220 size += sizeof(struct sockaddr_in6); 2221 break; 2222 #endif 2223 default: 2224 break; 2225 } 2226 } 2227 SCTP_TCB_UNLOCK(stcb); 2228 *value = (uint32_t) size; 2229 *optsize = sizeof(uint32_t); 2230 } else { 2231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2232 error = ENOTCONN; 2233 } 2234 break; 2235 } 2236 case SCTP_GET_PEER_ADDRESSES: 2237 /* 2238 * Get the address information, an array is passed in to 2239 * fill up we pack it. 2240 */ 2241 { 2242 size_t cpsz, left; 2243 struct sockaddr_storage *sas; 2244 struct sctp_nets *net; 2245 struct sctp_getaddresses *saddr; 2246 2247 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2248 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2249 2250 if (stcb) { 2251 left = (*optsize) - sizeof(struct sctp_getaddresses); 2252 *optsize = sizeof(struct sctp_getaddresses); 2253 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2254 2255 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2256 switch (net->ro._l_addr.sa.sa_family) { 2257 #ifdef INET 2258 case AF_INET: 2259 #ifdef INET6 2260 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2261 cpsz = sizeof(struct sockaddr_in6); 2262 } else { 2263 cpsz = sizeof(struct sockaddr_in); 2264 } 2265 #else 2266 cpsz = sizeof(struct sockaddr_in); 2267 #endif 2268 break; 2269 #endif 2270 #ifdef INET6 2271 case AF_INET6: 2272 cpsz = sizeof(struct sockaddr_in6); 2273 break; 2274 #endif 2275 default: 2276 cpsz = 0; 2277 break; 2278 } 2279 if (cpsz == 0) { 2280 break; 2281 } 2282 if (left < cpsz) { 2283 /* not enough room. */ 2284 break; 2285 } 2286 #if defined(INET) && defined(INET6) 2287 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2288 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2289 /* Must map the address */ 2290 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2291 (struct sockaddr_in6 *)sas); 2292 } else { 2293 memcpy(sas, &net->ro._l_addr, cpsz); 2294 } 2295 #else 2296 memcpy(sas, &net->ro._l_addr, cpsz); 2297 #endif 2298 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2299 2300 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2301 left -= cpsz; 2302 *optsize += cpsz; 2303 } 2304 SCTP_TCB_UNLOCK(stcb); 2305 } else { 2306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2307 error = ENOENT; 2308 } 2309 break; 2310 } 2311 case SCTP_GET_LOCAL_ADDRESSES: 2312 { 2313 size_t limit, actual; 2314 struct sockaddr_storage *sas; 2315 struct sctp_getaddresses *saddr; 2316 2317 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2318 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2319 2320 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2321 limit = *optsize - sizeof(sctp_assoc_t); 2322 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2323 if (stcb) { 2324 SCTP_TCB_UNLOCK(stcb); 2325 } 2326 *optsize = sizeof(struct sockaddr_storage) + actual; 2327 break; 2328 } 2329 case SCTP_PEER_ADDR_PARAMS: 2330 { 2331 struct sctp_paddrparams *paddrp; 2332 struct sctp_nets *net; 2333 struct sockaddr *addr; 2334 2335 #if defined(INET) && defined(INET6) 2336 struct sockaddr_in sin_store; 2337 2338 #endif 2339 2340 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2341 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2342 2343 #if defined(INET) && defined(INET6) 2344 if (paddrp->spp_address.ss_family == AF_INET6) { 2345 struct sockaddr_in6 *sin6; 2346 2347 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2348 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2349 in6_sin6_2_sin(&sin_store, sin6); 2350 addr = (struct sockaddr *)&sin_store; 2351 } else { 2352 addr = (struct sockaddr *)&paddrp->spp_address; 2353 } 2354 } else { 2355 addr = (struct sockaddr *)&paddrp->spp_address; 2356 } 2357 #else 2358 addr = (struct sockaddr *)&paddrp->spp_address; 2359 #endif 2360 if (stcb != NULL) { 2361 net = sctp_findnet(stcb, addr); 2362 } else { 2363 /* 2364 * We increment here since 2365 * sctp_findassociation_ep_addr() wil do a 2366 * decrement if it finds the stcb as long as 2367 * the locked tcb (last argument) is NOT a 2368 * TCB.. aka NULL. 2369 */ 2370 net = NULL; 2371 SCTP_INP_INCR_REF(inp); 2372 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2373 if (stcb == NULL) { 2374 SCTP_INP_DECR_REF(inp); 2375 } 2376 } 2377 if ((stcb != NULL) && (net == NULL)) { 2378 #ifdef INET 2379 if (addr->sa_family == AF_INET) { 2380 struct sockaddr_in *sin; 2381 2382 sin = (struct sockaddr_in *)addr; 2383 if (sin->sin_addr.s_addr != INADDR_ANY) { 2384 error = EINVAL; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } else 2390 #endif 2391 #ifdef INET6 2392 if (addr->sa_family == AF_INET6) { 2393 struct sockaddr_in6 *sin6; 2394 2395 sin6 = (struct sockaddr_in6 *)addr; 2396 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2397 error = EINVAL; 2398 SCTP_TCB_UNLOCK(stcb); 2399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2400 break; 2401 } 2402 } else 2403 #endif 2404 { 2405 error = EAFNOSUPPORT; 2406 SCTP_TCB_UNLOCK(stcb); 2407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2408 break; 2409 } 2410 } 2411 if (stcb != NULL) { 2412 /* Applies to the specific association */ 2413 paddrp->spp_flags = 0; 2414 if (net != NULL) { 2415 paddrp->spp_hbinterval = net->heart_beat_delay; 2416 paddrp->spp_pathmaxrxt = net->failure_threshold; 2417 paddrp->spp_pathmtu = net->mtu; 2418 switch (net->ro._l_addr.sa.sa_family) { 2419 #ifdef INET 2420 case AF_INET: 2421 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2422 break; 2423 #endif 2424 #ifdef INET6 2425 case AF_INET6: 2426 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2427 break; 2428 #endif 2429 default: 2430 break; 2431 } 2432 /* get flags for HB */ 2433 if (net->dest_state & SCTP_ADDR_NOHB) { 2434 paddrp->spp_flags |= SPP_HB_DISABLE; 2435 } else { 2436 paddrp->spp_flags |= SPP_HB_ENABLE; 2437 } 2438 /* get flags for PMTU */ 2439 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2440 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2441 } else { 2442 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2443 } 2444 if (net->dscp & 0x01) { 2445 paddrp->spp_dscp = net->dscp & 0xfc; 2446 paddrp->spp_flags |= SPP_DSCP; 2447 } 2448 #ifdef INET6 2449 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2450 (net->flowlabel & 0x80000000)) { 2451 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2452 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2453 } 2454 #endif 2455 } else { 2456 /* 2457 * No destination so return default 2458 * value 2459 */ 2460 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2461 paddrp->spp_pathmtu = 0; 2462 if (stcb->asoc.default_dscp & 0x01) { 2463 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2464 paddrp->spp_flags |= SPP_DSCP; 2465 } 2466 #ifdef INET6 2467 if (stcb->asoc.default_flowlabel & 0x80000000) { 2468 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2469 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2470 } 2471 #endif 2472 /* default settings should be these */ 2473 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2474 paddrp->spp_flags |= SPP_HB_DISABLE; 2475 } else { 2476 paddrp->spp_flags |= SPP_HB_ENABLE; 2477 } 2478 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2479 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2480 } else { 2481 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2482 } 2483 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2484 } 2485 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2486 SCTP_TCB_UNLOCK(stcb); 2487 } else { 2488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2490 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2491 /* Use endpoint defaults */ 2492 SCTP_INP_RLOCK(inp); 2493 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2494 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2495 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2496 /* get inp's default */ 2497 if (inp->sctp_ep.default_dscp & 0x01) { 2498 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2499 paddrp->spp_flags |= SPP_DSCP; 2500 } 2501 #ifdef INET6 2502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2503 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2504 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2505 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2506 } 2507 #endif 2508 /* can't return this */ 2509 paddrp->spp_pathmtu = 0; 2510 2511 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2512 paddrp->spp_flags |= SPP_HB_ENABLE; 2513 } else { 2514 paddrp->spp_flags |= SPP_HB_DISABLE; 2515 } 2516 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2517 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2518 } else { 2519 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2520 } 2521 SCTP_INP_RUNLOCK(inp); 2522 } else { 2523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2524 error = EINVAL; 2525 } 2526 } 2527 if (error == 0) { 2528 *optsize = sizeof(struct sctp_paddrparams); 2529 } 2530 break; 2531 } 2532 case SCTP_GET_PEER_ADDR_INFO: 2533 { 2534 struct sctp_paddrinfo *paddri; 2535 struct sctp_nets *net; 2536 struct sockaddr *addr; 2537 2538 #if defined(INET) && defined(INET6) 2539 struct sockaddr_in sin_store; 2540 2541 #endif 2542 2543 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2544 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2545 2546 #if defined(INET) && defined(INET6) 2547 if (paddri->spinfo_address.ss_family == AF_INET6) { 2548 struct sockaddr_in6 *sin6; 2549 2550 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2551 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2552 in6_sin6_2_sin(&sin_store, sin6); 2553 addr = (struct sockaddr *)&sin_store; 2554 } else { 2555 addr = (struct sockaddr *)&paddri->spinfo_address; 2556 } 2557 } else { 2558 addr = (struct sockaddr *)&paddri->spinfo_address; 2559 } 2560 #else 2561 addr = (struct sockaddr *)&paddri->spinfo_address; 2562 #endif 2563 if (stcb != NULL) { 2564 net = sctp_findnet(stcb, addr); 2565 } else { 2566 /* 2567 * We increment here since 2568 * sctp_findassociation_ep_addr() wil do a 2569 * decrement if it finds the stcb as long as 2570 * the locked tcb (last argument) is NOT a 2571 * TCB.. aka NULL. 2572 */ 2573 net = NULL; 2574 SCTP_INP_INCR_REF(inp); 2575 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2576 if (stcb == NULL) { 2577 SCTP_INP_DECR_REF(inp); 2578 } 2579 } 2580 2581 if ((stcb != NULL) && (net != NULL)) { 2582 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2583 /* It's unconfirmed */ 2584 paddri->spinfo_state = SCTP_UNCONFIRMED; 2585 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2586 /* It's active */ 2587 paddri->spinfo_state = SCTP_ACTIVE; 2588 } else { 2589 /* It's inactive */ 2590 paddri->spinfo_state = SCTP_INACTIVE; 2591 } 2592 paddri->spinfo_cwnd = net->cwnd; 2593 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2594 paddri->spinfo_rto = net->RTO; 2595 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2596 paddri->spinfo_mtu = net->mtu; 2597 switch (addr->sa_family) { 2598 #if defined(INET) 2599 case AF_INET: 2600 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2601 break; 2602 #endif 2603 #if defined(INET6) 2604 case AF_INET6: 2605 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2606 break; 2607 #endif 2608 default: 2609 break; 2610 } 2611 SCTP_TCB_UNLOCK(stcb); 2612 *optsize = sizeof(struct sctp_paddrinfo); 2613 } else { 2614 if (stcb != NULL) { 2615 SCTP_TCB_UNLOCK(stcb); 2616 } 2617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2618 error = ENOENT; 2619 } 2620 break; 2621 } 2622 case SCTP_PCB_STATUS: 2623 { 2624 struct sctp_pcbinfo *spcb; 2625 2626 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2627 sctp_fill_pcbinfo(spcb); 2628 *optsize = sizeof(struct sctp_pcbinfo); 2629 break; 2630 } 2631 case SCTP_STATUS: 2632 { 2633 struct sctp_nets *net; 2634 struct sctp_status *sstat; 2635 2636 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2637 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2638 2639 if (stcb == NULL) { 2640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2641 error = EINVAL; 2642 break; 2643 } 2644 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2645 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2646 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2647 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2648 /* 2649 * We can't include chunks that have been passed to 2650 * the socket layer. Only things in queue. 2651 */ 2652 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2653 stcb->asoc.cnt_on_all_streams); 2654 2655 2656 sstat->sstat_instrms = stcb->asoc.streamincnt; 2657 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2658 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2659 memcpy(&sstat->sstat_primary.spinfo_address, 2660 &stcb->asoc.primary_destination->ro._l_addr, 2661 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2662 net = stcb->asoc.primary_destination; 2663 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2664 /* 2665 * Again the user can get info from sctp_constants.h 2666 * for what the state of the network is. 2667 */ 2668 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2669 /* It's unconfirmed */ 2670 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2671 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2672 /* It's active */ 2673 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2674 } else { 2675 /* It's inactive */ 2676 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2677 } 2678 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2679 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2680 sstat->sstat_primary.spinfo_rto = net->RTO; 2681 sstat->sstat_primary.spinfo_mtu = net->mtu; 2682 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2683 #if defined(INET) 2684 case AF_INET: 2685 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2686 break; 2687 #endif 2688 #if defined(INET6) 2689 case AF_INET6: 2690 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2691 break; 2692 #endif 2693 default: 2694 break; 2695 } 2696 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2697 SCTP_TCB_UNLOCK(stcb); 2698 *optsize = sizeof(struct sctp_status); 2699 break; 2700 } 2701 case SCTP_RTOINFO: 2702 { 2703 struct sctp_rtoinfo *srto; 2704 2705 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2706 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2707 2708 if (stcb) { 2709 srto->srto_initial = stcb->asoc.initial_rto; 2710 srto->srto_max = stcb->asoc.maxrto; 2711 srto->srto_min = stcb->asoc.minrto; 2712 SCTP_TCB_UNLOCK(stcb); 2713 } else { 2714 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2715 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2716 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2717 SCTP_INP_RLOCK(inp); 2718 srto->srto_initial = inp->sctp_ep.initial_rto; 2719 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2720 srto->srto_min = inp->sctp_ep.sctp_minrto; 2721 SCTP_INP_RUNLOCK(inp); 2722 } else { 2723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2724 error = EINVAL; 2725 } 2726 } 2727 if (error == 0) { 2728 *optsize = sizeof(struct sctp_rtoinfo); 2729 } 2730 break; 2731 } 2732 case SCTP_TIMEOUTS: 2733 { 2734 struct sctp_timeouts *stimo; 2735 2736 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2737 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2738 2739 if (stcb) { 2740 stimo->stimo_init = stcb->asoc.timoinit; 2741 stimo->stimo_data = stcb->asoc.timodata; 2742 stimo->stimo_sack = stcb->asoc.timosack; 2743 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2744 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2745 stimo->stimo_cookie = stcb->asoc.timocookie; 2746 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2747 SCTP_TCB_UNLOCK(stcb); 2748 *optsize = sizeof(struct sctp_timeouts); 2749 } else { 2750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2751 error = EINVAL; 2752 } 2753 break; 2754 } 2755 case SCTP_ASSOCINFO: 2756 { 2757 struct sctp_assocparams *sasoc; 2758 2759 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2760 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2761 2762 if (stcb) { 2763 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2764 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2765 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2766 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2767 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2768 SCTP_TCB_UNLOCK(stcb); 2769 } else { 2770 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2771 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2772 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2773 SCTP_INP_RLOCK(inp); 2774 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2775 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2776 sasoc->sasoc_number_peer_destinations = 0; 2777 sasoc->sasoc_peer_rwnd = 0; 2778 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2779 SCTP_INP_RUNLOCK(inp); 2780 } else { 2781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2782 error = EINVAL; 2783 } 2784 } 2785 if (error == 0) { 2786 *optsize = sizeof(struct sctp_assocparams); 2787 } 2788 break; 2789 } 2790 case SCTP_DEFAULT_SEND_PARAM: 2791 { 2792 struct sctp_sndrcvinfo *s_info; 2793 2794 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2795 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2796 2797 if (stcb) { 2798 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2799 SCTP_TCB_UNLOCK(stcb); 2800 } else { 2801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2803 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2804 SCTP_INP_RLOCK(inp); 2805 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2806 SCTP_INP_RUNLOCK(inp); 2807 } else { 2808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2809 error = EINVAL; 2810 } 2811 } 2812 if (error == 0) { 2813 *optsize = sizeof(struct sctp_sndrcvinfo); 2814 } 2815 break; 2816 } 2817 case SCTP_INITMSG: 2818 { 2819 struct sctp_initmsg *sinit; 2820 2821 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2822 SCTP_INP_RLOCK(inp); 2823 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2824 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2825 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2826 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2827 SCTP_INP_RUNLOCK(inp); 2828 *optsize = sizeof(struct sctp_initmsg); 2829 break; 2830 } 2831 case SCTP_PRIMARY_ADDR: 2832 /* we allow a "get" operation on this */ 2833 { 2834 struct sctp_setprim *ssp; 2835 2836 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2837 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2838 2839 if (stcb) { 2840 union sctp_sockstore *addr; 2841 2842 addr = &stcb->asoc.primary_destination->ro._l_addr; 2843 switch (addr->sa.sa_family) { 2844 #ifdef INET 2845 case AF_INET: 2846 #ifdef INET6 2847 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2848 in6_sin_2_v4mapsin6(&addr->sin, 2849 (struct sockaddr_in6 *)&ssp->ssp_addr); 2850 } else { 2851 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2852 } 2853 #else 2854 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2855 #endif 2856 break; 2857 #endif 2858 #ifdef INET6 2859 case AF_INET6: 2860 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2861 break; 2862 #endif 2863 default: 2864 break; 2865 } 2866 SCTP_TCB_UNLOCK(stcb); 2867 *optsize = sizeof(struct sctp_setprim); 2868 } else { 2869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2870 error = EINVAL; 2871 } 2872 break; 2873 } 2874 case SCTP_HMAC_IDENT: 2875 { 2876 struct sctp_hmacalgo *shmac; 2877 sctp_hmaclist_t *hmaclist; 2878 uint32_t size; 2879 int i; 2880 2881 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2882 2883 SCTP_INP_RLOCK(inp); 2884 hmaclist = inp->sctp_ep.local_hmacs; 2885 if (hmaclist == NULL) { 2886 /* no HMACs to return */ 2887 *optsize = sizeof(*shmac); 2888 SCTP_INP_RUNLOCK(inp); 2889 break; 2890 } 2891 /* is there room for all of the hmac ids? */ 2892 size = sizeof(*shmac) + (hmaclist->num_algo * 2893 sizeof(shmac->shmac_idents[0])); 2894 if ((size_t)(*optsize) < size) { 2895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2896 error = EINVAL; 2897 SCTP_INP_RUNLOCK(inp); 2898 break; 2899 } 2900 /* copy in the list */ 2901 shmac->shmac_number_of_idents = hmaclist->num_algo; 2902 for (i = 0; i < hmaclist->num_algo; i++) { 2903 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2904 } 2905 SCTP_INP_RUNLOCK(inp); 2906 *optsize = size; 2907 break; 2908 } 2909 case SCTP_AUTH_ACTIVE_KEY: 2910 { 2911 struct sctp_authkeyid *scact; 2912 2913 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2914 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2915 2916 if (stcb) { 2917 /* get the active key on the assoc */ 2918 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2919 SCTP_TCB_UNLOCK(stcb); 2920 } else { 2921 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2922 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2923 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2924 /* get the endpoint active key */ 2925 SCTP_INP_RLOCK(inp); 2926 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2927 SCTP_INP_RUNLOCK(inp); 2928 } else { 2929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2930 error = EINVAL; 2931 } 2932 } 2933 if (error == 0) { 2934 *optsize = sizeof(struct sctp_authkeyid); 2935 } 2936 break; 2937 } 2938 case SCTP_LOCAL_AUTH_CHUNKS: 2939 { 2940 struct sctp_authchunks *sac; 2941 sctp_auth_chklist_t *chklist = NULL; 2942 size_t size = 0; 2943 2944 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2945 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2946 2947 if (stcb) { 2948 /* get off the assoc */ 2949 chklist = stcb->asoc.local_auth_chunks; 2950 /* is there enough space? */ 2951 size = sctp_auth_get_chklist_size(chklist); 2952 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2953 error = EINVAL; 2954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2955 } else { 2956 /* copy in the chunks */ 2957 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2958 sac->gauth_number_of_chunks = (uint32_t) size; 2959 *optsize = sizeof(struct sctp_authchunks) + size; 2960 } 2961 SCTP_TCB_UNLOCK(stcb); 2962 } else { 2963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2965 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2966 /* get off the endpoint */ 2967 SCTP_INP_RLOCK(inp); 2968 chklist = inp->sctp_ep.local_auth_chunks; 2969 /* is there enough space? */ 2970 size = sctp_auth_get_chklist_size(chklist); 2971 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2972 error = EINVAL; 2973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2974 } else { 2975 /* copy in the chunks */ 2976 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2977 sac->gauth_number_of_chunks = (uint32_t) size; 2978 *optsize = sizeof(struct sctp_authchunks) + size; 2979 } 2980 SCTP_INP_RUNLOCK(inp); 2981 } else { 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2983 error = EINVAL; 2984 } 2985 } 2986 break; 2987 } 2988 case SCTP_PEER_AUTH_CHUNKS: 2989 { 2990 struct sctp_authchunks *sac; 2991 sctp_auth_chklist_t *chklist = NULL; 2992 size_t size = 0; 2993 2994 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2995 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2996 2997 if (stcb) { 2998 /* get off the assoc */ 2999 chklist = stcb->asoc.peer_auth_chunks; 3000 /* is there enough space? */ 3001 size = sctp_auth_get_chklist_size(chklist); 3002 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3003 error = EINVAL; 3004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3005 } else { 3006 /* copy in the chunks */ 3007 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3008 sac->gauth_number_of_chunks = (uint32_t) size; 3009 *optsize = sizeof(struct sctp_authchunks) + size; 3010 } 3011 SCTP_TCB_UNLOCK(stcb); 3012 } else { 3013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3014 error = ENOENT; 3015 } 3016 break; 3017 } 3018 case SCTP_EVENT: 3019 { 3020 struct sctp_event *event; 3021 uint32_t event_type; 3022 3023 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3024 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3025 3026 switch (event->se_type) { 3027 case SCTP_ASSOC_CHANGE: 3028 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3029 break; 3030 case SCTP_PEER_ADDR_CHANGE: 3031 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3032 break; 3033 case SCTP_REMOTE_ERROR: 3034 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3035 break; 3036 case SCTP_SEND_FAILED: 3037 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3038 break; 3039 case SCTP_SHUTDOWN_EVENT: 3040 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3041 break; 3042 case SCTP_ADAPTATION_INDICATION: 3043 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3044 break; 3045 case SCTP_PARTIAL_DELIVERY_EVENT: 3046 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3047 break; 3048 case SCTP_AUTHENTICATION_EVENT: 3049 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3050 break; 3051 case SCTP_STREAM_RESET_EVENT: 3052 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3053 break; 3054 case SCTP_SENDER_DRY_EVENT: 3055 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3056 break; 3057 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3058 event_type = 0; 3059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3060 error = ENOTSUP; 3061 break; 3062 case SCTP_ASSOC_RESET_EVENT: 3063 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3064 break; 3065 case SCTP_STREAM_CHANGE_EVENT: 3066 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3067 break; 3068 case SCTP_SEND_FAILED_EVENT: 3069 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3070 break; 3071 default: 3072 event_type = 0; 3073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3074 error = EINVAL; 3075 break; 3076 } 3077 if (event_type > 0) { 3078 if (stcb) { 3079 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3080 SCTP_TCB_UNLOCK(stcb); 3081 } else { 3082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3083 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3084 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3085 SCTP_INP_RLOCK(inp); 3086 event->se_on = sctp_is_feature_on(inp, event_type); 3087 SCTP_INP_RUNLOCK(inp); 3088 } else { 3089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3090 error = EINVAL; 3091 } 3092 } 3093 } 3094 if (error == 0) { 3095 *optsize = sizeof(struct sctp_event); 3096 } 3097 break; 3098 } 3099 case SCTP_RECVRCVINFO: 3100 { 3101 int onoff; 3102 3103 if (*optsize < sizeof(int)) { 3104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3105 error = EINVAL; 3106 } else { 3107 SCTP_INP_RLOCK(inp); 3108 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3109 SCTP_INP_RUNLOCK(inp); 3110 } 3111 if (error == 0) { 3112 /* return the option value */ 3113 *(int *)optval = onoff; 3114 *optsize = sizeof(int); 3115 } 3116 break; 3117 } 3118 case SCTP_RECVNXTINFO: 3119 { 3120 int onoff; 3121 3122 if (*optsize < sizeof(int)) { 3123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3124 error = EINVAL; 3125 } else { 3126 SCTP_INP_RLOCK(inp); 3127 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3128 SCTP_INP_RUNLOCK(inp); 3129 } 3130 if (error == 0) { 3131 /* return the option value */ 3132 *(int *)optval = onoff; 3133 *optsize = sizeof(int); 3134 } 3135 break; 3136 } 3137 case SCTP_DEFAULT_SNDINFO: 3138 { 3139 struct sctp_sndinfo *info; 3140 3141 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3142 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3143 3144 if (stcb) { 3145 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3146 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3147 info->snd_flags &= 0xfff0; 3148 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3149 info->snd_context = stcb->asoc.def_send.sinfo_context; 3150 SCTP_TCB_UNLOCK(stcb); 3151 } else { 3152 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3154 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3155 SCTP_INP_RLOCK(inp); 3156 info->snd_sid = inp->def_send.sinfo_stream; 3157 info->snd_flags = inp->def_send.sinfo_flags; 3158 info->snd_flags &= 0xfff0; 3159 info->snd_ppid = inp->def_send.sinfo_ppid; 3160 info->snd_context = inp->def_send.sinfo_context; 3161 SCTP_INP_RUNLOCK(inp); 3162 } else { 3163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3164 error = EINVAL; 3165 } 3166 } 3167 if (error == 0) { 3168 *optsize = sizeof(struct sctp_sndinfo); 3169 } 3170 break; 3171 } 3172 case SCTP_DEFAULT_PRINFO: 3173 { 3174 struct sctp_default_prinfo *info; 3175 3176 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3177 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3178 3179 if (stcb) { 3180 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3181 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3182 SCTP_TCB_UNLOCK(stcb); 3183 } else { 3184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3186 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3187 SCTP_INP_RLOCK(inp); 3188 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3189 info->pr_value = inp->def_send.sinfo_timetolive; 3190 SCTP_INP_RUNLOCK(inp); 3191 } else { 3192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3193 error = EINVAL; 3194 } 3195 } 3196 if (error == 0) { 3197 *optsize = sizeof(struct sctp_default_prinfo); 3198 } 3199 break; 3200 } 3201 case SCTP_PEER_ADDR_THLDS: 3202 { 3203 struct sctp_paddrthlds *thlds; 3204 struct sctp_nets *net; 3205 struct sockaddr *addr; 3206 3207 #if defined(INET) && defined(INET6) 3208 struct sockaddr_in sin_store; 3209 3210 #endif 3211 3212 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3213 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3214 3215 #if defined(INET) && defined(INET6) 3216 if (thlds->spt_address.ss_family == AF_INET6) { 3217 struct sockaddr_in6 *sin6; 3218 3219 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3220 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3221 in6_sin6_2_sin(&sin_store, sin6); 3222 addr = (struct sockaddr *)&sin_store; 3223 } else { 3224 addr = (struct sockaddr *)&thlds->spt_address; 3225 } 3226 } else { 3227 addr = (struct sockaddr *)&thlds->spt_address; 3228 } 3229 #else 3230 addr = (struct sockaddr *)&thlds->spt_address; 3231 #endif 3232 if (stcb != NULL) { 3233 net = sctp_findnet(stcb, addr); 3234 } else { 3235 /* 3236 * We increment here since 3237 * sctp_findassociation_ep_addr() wil do a 3238 * decrement if it finds the stcb as long as 3239 * the locked tcb (last argument) is NOT a 3240 * TCB.. aka NULL. 3241 */ 3242 net = NULL; 3243 SCTP_INP_INCR_REF(inp); 3244 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3245 if (stcb == NULL) { 3246 SCTP_INP_DECR_REF(inp); 3247 } 3248 } 3249 if ((stcb != NULL) && (net == NULL)) { 3250 #ifdef INET 3251 if (addr->sa_family == AF_INET) { 3252 struct sockaddr_in *sin; 3253 3254 sin = (struct sockaddr_in *)addr; 3255 if (sin->sin_addr.s_addr != INADDR_ANY) { 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 #ifdef INET6 3264 if (addr->sa_family == AF_INET6) { 3265 struct sockaddr_in6 *sin6; 3266 3267 sin6 = (struct sockaddr_in6 *)addr; 3268 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3269 error = EINVAL; 3270 SCTP_TCB_UNLOCK(stcb); 3271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3272 break; 3273 } 3274 } else 3275 #endif 3276 { 3277 error = EAFNOSUPPORT; 3278 SCTP_TCB_UNLOCK(stcb); 3279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3280 break; 3281 } 3282 } 3283 if (stcb != NULL) { 3284 if (net != NULL) { 3285 thlds->spt_pathmaxrxt = net->failure_threshold; 3286 thlds->spt_pathpfthld = net->pf_threshold; 3287 thlds->spt_pathcpthld = 0xffff; 3288 } else { 3289 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3290 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3291 thlds->spt_pathcpthld = 0xffff; 3292 } 3293 thlds->spt_assoc_id = sctp_get_associd(stcb); 3294 SCTP_TCB_UNLOCK(stcb); 3295 } else { 3296 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3297 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3298 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3299 /* Use endpoint defaults */ 3300 SCTP_INP_RLOCK(inp); 3301 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3302 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3303 thlds->spt_pathcpthld = 0xffff; 3304 SCTP_INP_RUNLOCK(inp); 3305 } else { 3306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3307 error = EINVAL; 3308 } 3309 } 3310 if (error == 0) { 3311 *optsize = sizeof(struct sctp_paddrthlds); 3312 } 3313 break; 3314 } 3315 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3316 { 3317 struct sctp_udpencaps *encaps; 3318 struct sctp_nets *net; 3319 struct sockaddr *addr; 3320 3321 #if defined(INET) && defined(INET6) 3322 struct sockaddr_in sin_store; 3323 3324 #endif 3325 3326 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3327 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3328 3329 #if defined(INET) && defined(INET6) 3330 if (encaps->sue_address.ss_family == AF_INET6) { 3331 struct sockaddr_in6 *sin6; 3332 3333 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3334 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3335 in6_sin6_2_sin(&sin_store, sin6); 3336 addr = (struct sockaddr *)&sin_store; 3337 } else { 3338 addr = (struct sockaddr *)&encaps->sue_address; 3339 } 3340 } else { 3341 addr = (struct sockaddr *)&encaps->sue_address; 3342 } 3343 #else 3344 addr = (struct sockaddr *)&encaps->sue_address; 3345 #endif 3346 if (stcb) { 3347 net = sctp_findnet(stcb, addr); 3348 } else { 3349 /* 3350 * We increment here since 3351 * sctp_findassociation_ep_addr() wil do a 3352 * decrement if it finds the stcb as long as 3353 * the locked tcb (last argument) is NOT a 3354 * TCB.. aka NULL. 3355 */ 3356 net = NULL; 3357 SCTP_INP_INCR_REF(inp); 3358 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3359 if (stcb == NULL) { 3360 SCTP_INP_DECR_REF(inp); 3361 } 3362 } 3363 if ((stcb != NULL) && (net == NULL)) { 3364 #ifdef INET 3365 if (addr->sa_family == AF_INET) { 3366 struct sockaddr_in *sin; 3367 3368 sin = (struct sockaddr_in *)addr; 3369 if (sin->sin_addr.s_addr != INADDR_ANY) { 3370 error = EINVAL; 3371 SCTP_TCB_UNLOCK(stcb); 3372 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3373 break; 3374 } 3375 } else 3376 #endif 3377 #ifdef INET6 3378 if (addr->sa_family == AF_INET6) { 3379 struct sockaddr_in6 *sin6; 3380 3381 sin6 = (struct sockaddr_in6 *)addr; 3382 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3383 error = EINVAL; 3384 SCTP_TCB_UNLOCK(stcb); 3385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3386 break; 3387 } 3388 } else 3389 #endif 3390 { 3391 error = EAFNOSUPPORT; 3392 SCTP_TCB_UNLOCK(stcb); 3393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3394 break; 3395 } 3396 } 3397 if (stcb != NULL) { 3398 if (net) { 3399 encaps->sue_port = net->port; 3400 } else { 3401 encaps->sue_port = stcb->asoc.port; 3402 } 3403 SCTP_TCB_UNLOCK(stcb); 3404 } else { 3405 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3406 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3407 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3408 SCTP_INP_RLOCK(inp); 3409 encaps->sue_port = inp->sctp_ep.port; 3410 SCTP_INP_RUNLOCK(inp); 3411 } else { 3412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3413 error = EINVAL; 3414 } 3415 } 3416 if (error == 0) { 3417 *optsize = sizeof(struct sctp_udpencaps); 3418 } 3419 break; 3420 } 3421 case SCTP_ECN_SUPPORTED: 3422 { 3423 struct sctp_assoc_value *av; 3424 3425 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3426 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3427 3428 if (stcb) { 3429 av->assoc_value = stcb->asoc.ecn_supported; 3430 SCTP_TCB_UNLOCK(stcb); 3431 } else { 3432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3433 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3434 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3435 SCTP_INP_RLOCK(inp); 3436 av->assoc_value = inp->ecn_supported; 3437 SCTP_INP_RUNLOCK(inp); 3438 } else { 3439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3440 error = EINVAL; 3441 } 3442 } 3443 if (error == 0) { 3444 *optsize = sizeof(struct sctp_assoc_value); 3445 } 3446 break; 3447 } 3448 case SCTP_PR_SUPPORTED: 3449 { 3450 struct sctp_assoc_value *av; 3451 3452 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3453 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3454 3455 if (stcb) { 3456 av->assoc_value = stcb->asoc.prsctp_supported; 3457 SCTP_TCB_UNLOCK(stcb); 3458 } else { 3459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3460 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3461 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3462 SCTP_INP_RLOCK(inp); 3463 av->assoc_value = inp->prsctp_supported; 3464 SCTP_INP_RUNLOCK(inp); 3465 } else { 3466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3467 error = EINVAL; 3468 } 3469 } 3470 if (error == 0) { 3471 *optsize = sizeof(struct sctp_assoc_value); 3472 } 3473 break; 3474 } 3475 case SCTP_AUTH_SUPPORTED: 3476 { 3477 struct sctp_assoc_value *av; 3478 3479 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3480 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3481 3482 if (stcb) { 3483 av->assoc_value = stcb->asoc.auth_supported; 3484 SCTP_TCB_UNLOCK(stcb); 3485 } else { 3486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3487 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3488 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3489 SCTP_INP_RLOCK(inp); 3490 av->assoc_value = inp->auth_supported; 3491 SCTP_INP_RUNLOCK(inp); 3492 } else { 3493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3494 error = EINVAL; 3495 } 3496 } 3497 if (error == 0) { 3498 *optsize = sizeof(struct sctp_assoc_value); 3499 } 3500 break; 3501 } 3502 case SCTP_ASCONF_SUPPORTED: 3503 { 3504 struct sctp_assoc_value *av; 3505 3506 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3507 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3508 3509 if (stcb) { 3510 av->assoc_value = stcb->asoc.asconf_supported; 3511 SCTP_TCB_UNLOCK(stcb); 3512 } else { 3513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3515 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3516 SCTP_INP_RLOCK(inp); 3517 av->assoc_value = inp->asconf_supported; 3518 SCTP_INP_RUNLOCK(inp); 3519 } else { 3520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3521 error = EINVAL; 3522 } 3523 } 3524 if (error == 0) { 3525 *optsize = sizeof(struct sctp_assoc_value); 3526 } 3527 break; 3528 } 3529 case SCTP_RECONFIG_SUPPORTED: 3530 { 3531 struct sctp_assoc_value *av; 3532 3533 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3534 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3535 3536 if (stcb) { 3537 av->assoc_value = stcb->asoc.reconfig_supported; 3538 SCTP_TCB_UNLOCK(stcb); 3539 } else { 3540 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3541 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3542 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3543 SCTP_INP_RLOCK(inp); 3544 av->assoc_value = inp->reconfig_supported; 3545 SCTP_INP_RUNLOCK(inp); 3546 } else { 3547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3548 error = EINVAL; 3549 } 3550 } 3551 if (error == 0) { 3552 *optsize = sizeof(struct sctp_assoc_value); 3553 } 3554 break; 3555 } 3556 case SCTP_NRSACK_SUPPORTED: 3557 { 3558 struct sctp_assoc_value *av; 3559 3560 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3561 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3562 3563 if (stcb) { 3564 av->assoc_value = stcb->asoc.nrsack_supported; 3565 SCTP_TCB_UNLOCK(stcb); 3566 } else { 3567 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3568 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3569 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3570 SCTP_INP_RLOCK(inp); 3571 av->assoc_value = inp->nrsack_supported; 3572 SCTP_INP_RUNLOCK(inp); 3573 } else { 3574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3575 error = EINVAL; 3576 } 3577 } 3578 if (error == 0) { 3579 *optsize = sizeof(struct sctp_assoc_value); 3580 } 3581 break; 3582 } 3583 case SCTP_PKTDROP_SUPPORTED: 3584 { 3585 struct sctp_assoc_value *av; 3586 3587 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3588 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3589 3590 if (stcb) { 3591 av->assoc_value = stcb->asoc.pktdrop_supported; 3592 SCTP_TCB_UNLOCK(stcb); 3593 } else { 3594 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3595 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3596 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3597 SCTP_INP_RLOCK(inp); 3598 av->assoc_value = inp->pktdrop_supported; 3599 SCTP_INP_RUNLOCK(inp); 3600 } else { 3601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3602 error = EINVAL; 3603 } 3604 } 3605 if (error == 0) { 3606 *optsize = sizeof(struct sctp_assoc_value); 3607 } 3608 break; 3609 } 3610 case SCTP_ENABLE_STREAM_RESET: 3611 { 3612 struct sctp_assoc_value *av; 3613 3614 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3615 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3616 3617 if (stcb) { 3618 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3619 SCTP_TCB_UNLOCK(stcb); 3620 } else { 3621 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3622 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3623 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3624 SCTP_INP_RLOCK(inp); 3625 av->assoc_value = (uint32_t) inp->local_strreset_support; 3626 SCTP_INP_RUNLOCK(inp); 3627 } else { 3628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3629 error = EINVAL; 3630 } 3631 } 3632 if (error == 0) { 3633 *optsize = sizeof(struct sctp_assoc_value); 3634 } 3635 break; 3636 } 3637 case SCTP_PR_STREAM_STATUS: 3638 { 3639 struct sctp_prstatus *sprstat; 3640 uint16_t sid; 3641 uint16_t policy; 3642 3643 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3644 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3645 3646 sid = sprstat->sprstat_sid; 3647 policy = sprstat->sprstat_policy; 3648 #if defined(SCTP_DETAILED_STR_STATS) 3649 if ((stcb != NULL) && 3650 (sid < stcb->asoc.streamoutcnt) && 3651 (policy != SCTP_PR_SCTP_NONE) && 3652 ((policy <= SCTP_PR_SCTP_MAX) || 3653 (policy == SCTP_PR_SCTP_ALL))) { 3654 if (policy == SCTP_PR_SCTP_ALL) { 3655 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3656 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3657 } else { 3658 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3659 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3660 } 3661 #else 3662 if ((stcb != NULL) && 3663 (sid < stcb->asoc.streamoutcnt) && 3664 (policy == SCTP_PR_SCTP_ALL)) { 3665 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3666 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3667 #endif 3668 SCTP_TCB_UNLOCK(stcb); 3669 *optsize = sizeof(struct sctp_prstatus); 3670 } else { 3671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3672 error = EINVAL; 3673 } 3674 break; 3675 } 3676 case SCTP_PR_ASSOC_STATUS: 3677 { 3678 struct sctp_prstatus *sprstat; 3679 uint16_t policy; 3680 3681 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3682 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3683 3684 policy = sprstat->sprstat_policy; 3685 if ((stcb != NULL) && 3686 (policy != SCTP_PR_SCTP_NONE) && 3687 ((policy <= SCTP_PR_SCTP_MAX) || 3688 (policy == SCTP_PR_SCTP_ALL))) { 3689 if (policy == SCTP_PR_SCTP_ALL) { 3690 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3691 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3692 } else { 3693 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3694 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3695 } 3696 SCTP_TCB_UNLOCK(stcb); 3697 *optsize = sizeof(struct sctp_prstatus); 3698 } else { 3699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3700 error = EINVAL; 3701 } 3702 break; 3703 } 3704 case SCTP_MAX_CWND: 3705 { 3706 struct sctp_assoc_value *av; 3707 3708 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3709 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3710 3711 if (stcb) { 3712 av->assoc_value = stcb->asoc.max_cwnd; 3713 SCTP_TCB_UNLOCK(stcb); 3714 } else { 3715 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3716 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3717 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3718 SCTP_INP_RLOCK(inp); 3719 av->assoc_value = inp->max_cwnd; 3720 SCTP_INP_RUNLOCK(inp); 3721 } else { 3722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3723 error = EINVAL; 3724 } 3725 } 3726 if (error == 0) { 3727 *optsize = sizeof(struct sctp_assoc_value); 3728 } 3729 break; 3730 } 3731 default: 3732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3733 error = ENOPROTOOPT; 3734 break; 3735 } /* end switch (sopt->sopt_name) */ 3736 if (error) { 3737 *optsize = 0; 3738 } 3739 return (error); 3740 } 3741 3742 static int 3743 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3744 void *p) 3745 { 3746 int error, set_opt; 3747 uint32_t *mopt; 3748 struct sctp_tcb *stcb = NULL; 3749 struct sctp_inpcb *inp = NULL; 3750 uint32_t vrf_id; 3751 3752 if (optval == NULL) { 3753 SCTP_PRINTF("optval is NULL\n"); 3754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3755 return (EINVAL); 3756 } 3757 inp = (struct sctp_inpcb *)so->so_pcb; 3758 if (inp == NULL) { 3759 SCTP_PRINTF("inp is NULL?\n"); 3760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3761 return (EINVAL); 3762 } 3763 vrf_id = inp->def_vrf_id; 3764 3765 error = 0; 3766 switch (optname) { 3767 case SCTP_NODELAY: 3768 case SCTP_AUTOCLOSE: 3769 case SCTP_AUTO_ASCONF: 3770 case SCTP_EXPLICIT_EOR: 3771 case SCTP_DISABLE_FRAGMENTS: 3772 case SCTP_USE_EXT_RCVINFO: 3773 case SCTP_I_WANT_MAPPED_V4_ADDR: 3774 /* copy in the option value */ 3775 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3776 set_opt = 0; 3777 if (error) 3778 break; 3779 switch (optname) { 3780 case SCTP_DISABLE_FRAGMENTS: 3781 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3782 break; 3783 case SCTP_AUTO_ASCONF: 3784 /* 3785 * NOTE: we don't really support this flag 3786 */ 3787 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3788 /* only valid for bound all sockets */ 3789 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3790 (*mopt != 0)) { 3791 /* forbidden by admin */ 3792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3793 return (EPERM); 3794 } 3795 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3796 } else { 3797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3798 return (EINVAL); 3799 } 3800 break; 3801 case SCTP_EXPLICIT_EOR: 3802 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3803 break; 3804 case SCTP_USE_EXT_RCVINFO: 3805 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3806 break; 3807 case SCTP_I_WANT_MAPPED_V4_ADDR: 3808 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3809 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3810 } else { 3811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3812 return (EINVAL); 3813 } 3814 break; 3815 case SCTP_NODELAY: 3816 set_opt = SCTP_PCB_FLAGS_NODELAY; 3817 break; 3818 case SCTP_AUTOCLOSE: 3819 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3820 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3822 return (EINVAL); 3823 } 3824 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3825 /* 3826 * The value is in ticks. Note this does not effect 3827 * old associations, only new ones. 3828 */ 3829 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3830 break; 3831 } 3832 SCTP_INP_WLOCK(inp); 3833 if (*mopt != 0) { 3834 sctp_feature_on(inp, set_opt); 3835 } else { 3836 sctp_feature_off(inp, set_opt); 3837 } 3838 SCTP_INP_WUNLOCK(inp); 3839 break; 3840 case SCTP_REUSE_PORT: 3841 { 3842 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3844 /* Can't set it after we are bound */ 3845 error = EINVAL; 3846 break; 3847 } 3848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3849 /* Can't do this for a 1-m socket */ 3850 error = EINVAL; 3851 break; 3852 } 3853 if (optval) 3854 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3855 else 3856 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3857 break; 3858 } 3859 case SCTP_PARTIAL_DELIVERY_POINT: 3860 { 3861 uint32_t *value; 3862 3863 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3864 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3866 error = EINVAL; 3867 break; 3868 } 3869 inp->partial_delivery_point = *value; 3870 break; 3871 } 3872 case SCTP_FRAGMENT_INTERLEAVE: 3873 /* not yet until we re-write sctp_recvmsg() */ 3874 { 3875 uint32_t *level; 3876 3877 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3878 if (*level == SCTP_FRAG_LEVEL_2) { 3879 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3880 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3881 } else if (*level == SCTP_FRAG_LEVEL_1) { 3882 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3883 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3884 } else if (*level == SCTP_FRAG_LEVEL_0) { 3885 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3886 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3887 3888 } else { 3889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3890 error = EINVAL; 3891 } 3892 break; 3893 } 3894 case SCTP_INTERLEAVING_SUPPORTED: 3895 { 3896 struct sctp_assoc_value *av; 3897 3898 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3899 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3900 3901 if (stcb) { 3902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3903 error = EINVAL; 3904 SCTP_TCB_UNLOCK(stcb); 3905 } else { 3906 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3907 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3908 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3909 SCTP_INP_WLOCK(inp); 3910 if (av->assoc_value == 0) { 3911 inp->idata_supported = 0; 3912 } else { 3913 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3914 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3915 inp->idata_supported = 1; 3916 } else { 3917 /* 3918 * Must have Frag 3919 * interleave and 3920 * stream interleave 3921 * on 3922 */ 3923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3924 error = EINVAL; 3925 } 3926 } 3927 SCTP_INP_WUNLOCK(inp); 3928 } else { 3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3930 error = EINVAL; 3931 } 3932 } 3933 break; 3934 } 3935 case SCTP_CMT_ON_OFF: 3936 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3937 struct sctp_assoc_value *av; 3938 3939 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3940 if (av->assoc_value > SCTP_CMT_MAX) { 3941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3942 error = EINVAL; 3943 break; 3944 } 3945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3946 if (stcb) { 3947 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3948 SCTP_TCB_UNLOCK(stcb); 3949 } else { 3950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3952 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3953 (av->assoc_id == SCTP_ALL_ASSOC)) { 3954 SCTP_INP_WLOCK(inp); 3955 inp->sctp_cmt_on_off = av->assoc_value; 3956 SCTP_INP_WUNLOCK(inp); 3957 } 3958 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3959 (av->assoc_id == SCTP_ALL_ASSOC)) { 3960 SCTP_INP_RLOCK(inp); 3961 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3962 SCTP_TCB_LOCK(stcb); 3963 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3964 SCTP_TCB_UNLOCK(stcb); 3965 } 3966 SCTP_INP_RUNLOCK(inp); 3967 } 3968 } 3969 } else { 3970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3971 error = ENOPROTOOPT; 3972 } 3973 break; 3974 case SCTP_PLUGGABLE_CC: 3975 { 3976 struct sctp_assoc_value *av; 3977 struct sctp_nets *net; 3978 3979 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3980 if ((av->assoc_value != SCTP_CC_RFC2581) && 3981 (av->assoc_value != SCTP_CC_HSTCP) && 3982 (av->assoc_value != SCTP_CC_HTCP) && 3983 (av->assoc_value != SCTP_CC_RTCC)) { 3984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3985 error = EINVAL; 3986 break; 3987 } 3988 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3989 if (stcb) { 3990 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3991 stcb->asoc.congestion_control_module = av->assoc_value; 3992 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3993 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3994 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3995 } 3996 } 3997 SCTP_TCB_UNLOCK(stcb); 3998 } else { 3999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4000 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4001 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4002 (av->assoc_id == SCTP_ALL_ASSOC)) { 4003 SCTP_INP_WLOCK(inp); 4004 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4005 SCTP_INP_WUNLOCK(inp); 4006 } 4007 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4008 (av->assoc_id == SCTP_ALL_ASSOC)) { 4009 SCTP_INP_RLOCK(inp); 4010 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4011 SCTP_TCB_LOCK(stcb); 4012 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4013 stcb->asoc.congestion_control_module = av->assoc_value; 4014 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4015 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4016 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4017 } 4018 } 4019 SCTP_TCB_UNLOCK(stcb); 4020 } 4021 SCTP_INP_RUNLOCK(inp); 4022 } 4023 } 4024 break; 4025 } 4026 case SCTP_CC_OPTION: 4027 { 4028 struct sctp_cc_option *cc_opt; 4029 4030 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4031 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4032 if (stcb == NULL) { 4033 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4034 SCTP_INP_RLOCK(inp); 4035 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4036 SCTP_TCB_LOCK(stcb); 4037 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4038 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4039 } 4040 SCTP_TCB_UNLOCK(stcb); 4041 } 4042 SCTP_INP_RUNLOCK(inp); 4043 } else { 4044 error = EINVAL; 4045 } 4046 } else { 4047 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4048 error = ENOTSUP; 4049 } else { 4050 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4051 cc_opt); 4052 } 4053 SCTP_TCB_UNLOCK(stcb); 4054 } 4055 break; 4056 } 4057 case SCTP_PLUGGABLE_SS: 4058 { 4059 struct sctp_assoc_value *av; 4060 4061 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4062 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4063 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4064 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4065 (av->assoc_value != SCTP_SS_PRIORITY) && 4066 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4067 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4069 error = EINVAL; 4070 break; 4071 } 4072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4073 if (stcb) { 4074 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4075 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4076 stcb->asoc.stream_scheduling_module = av->assoc_value; 4077 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4078 SCTP_TCB_UNLOCK(stcb); 4079 } else { 4080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4082 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4083 (av->assoc_id == SCTP_ALL_ASSOC)) { 4084 SCTP_INP_WLOCK(inp); 4085 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4086 SCTP_INP_WUNLOCK(inp); 4087 } 4088 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4089 (av->assoc_id == SCTP_ALL_ASSOC)) { 4090 SCTP_INP_RLOCK(inp); 4091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4092 SCTP_TCB_LOCK(stcb); 4093 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4094 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4095 stcb->asoc.stream_scheduling_module = av->assoc_value; 4096 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4097 SCTP_TCB_UNLOCK(stcb); 4098 } 4099 SCTP_INP_RUNLOCK(inp); 4100 } 4101 } 4102 break; 4103 } 4104 case SCTP_SS_VALUE: 4105 { 4106 struct sctp_stream_value *av; 4107 4108 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4109 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4110 if (stcb) { 4111 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4112 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4113 av->stream_value) < 0)) { 4114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4115 error = EINVAL; 4116 } 4117 SCTP_TCB_UNLOCK(stcb); 4118 } else { 4119 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4120 SCTP_INP_RLOCK(inp); 4121 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4122 SCTP_TCB_LOCK(stcb); 4123 if (av->stream_id < stcb->asoc.streamoutcnt) { 4124 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4125 &stcb->asoc, 4126 &stcb->asoc.strmout[av->stream_id], 4127 av->stream_value); 4128 } 4129 SCTP_TCB_UNLOCK(stcb); 4130 } 4131 SCTP_INP_RUNLOCK(inp); 4132 } else { 4133 /* 4134 * Can't set stream value without 4135 * association 4136 */ 4137 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4138 error = EINVAL; 4139 } 4140 } 4141 break; 4142 } 4143 case SCTP_CLR_STAT_LOG: 4144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4145 error = EOPNOTSUPP; 4146 break; 4147 case SCTP_CONTEXT: 4148 { 4149 struct sctp_assoc_value *av; 4150 4151 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4152 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4153 4154 if (stcb) { 4155 stcb->asoc.context = av->assoc_value; 4156 SCTP_TCB_UNLOCK(stcb); 4157 } else { 4158 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4159 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4160 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4161 (av->assoc_id == SCTP_ALL_ASSOC)) { 4162 SCTP_INP_WLOCK(inp); 4163 inp->sctp_context = av->assoc_value; 4164 SCTP_INP_WUNLOCK(inp); 4165 } 4166 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4167 (av->assoc_id == SCTP_ALL_ASSOC)) { 4168 SCTP_INP_RLOCK(inp); 4169 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4170 SCTP_TCB_LOCK(stcb); 4171 stcb->asoc.context = av->assoc_value; 4172 SCTP_TCB_UNLOCK(stcb); 4173 } 4174 SCTP_INP_RUNLOCK(inp); 4175 } 4176 } 4177 break; 4178 } 4179 case SCTP_VRF_ID: 4180 { 4181 uint32_t *default_vrfid; 4182 4183 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4184 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4186 error = EINVAL; 4187 break; 4188 } 4189 inp->def_vrf_id = *default_vrfid; 4190 break; 4191 } 4192 case SCTP_DEL_VRF_ID: 4193 { 4194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4195 error = EOPNOTSUPP; 4196 break; 4197 } 4198 case SCTP_ADD_VRF_ID: 4199 { 4200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4201 error = EOPNOTSUPP; 4202 break; 4203 } 4204 case SCTP_DELAYED_SACK: 4205 { 4206 struct sctp_sack_info *sack; 4207 4208 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4209 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4210 if (sack->sack_delay) { 4211 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4212 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4213 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4214 sack->sack_delay = TICKS_TO_MSEC(1); 4215 } 4216 } 4217 if (stcb) { 4218 if (sack->sack_delay) { 4219 stcb->asoc.delayed_ack = sack->sack_delay; 4220 } 4221 if (sack->sack_freq) { 4222 stcb->asoc.sack_freq = sack->sack_freq; 4223 } 4224 SCTP_TCB_UNLOCK(stcb); 4225 } else { 4226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4227 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4228 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4229 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4230 SCTP_INP_WLOCK(inp); 4231 if (sack->sack_delay) { 4232 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4233 } 4234 if (sack->sack_freq) { 4235 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4236 } 4237 SCTP_INP_WUNLOCK(inp); 4238 } 4239 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4240 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4241 SCTP_INP_RLOCK(inp); 4242 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4243 SCTP_TCB_LOCK(stcb); 4244 if (sack->sack_delay) { 4245 stcb->asoc.delayed_ack = sack->sack_delay; 4246 } 4247 if (sack->sack_freq) { 4248 stcb->asoc.sack_freq = sack->sack_freq; 4249 } 4250 SCTP_TCB_UNLOCK(stcb); 4251 } 4252 SCTP_INP_RUNLOCK(inp); 4253 } 4254 } 4255 break; 4256 } 4257 case SCTP_AUTH_CHUNK: 4258 { 4259 struct sctp_authchunk *sauth; 4260 4261 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4262 4263 SCTP_INP_WLOCK(inp); 4264 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4266 error = EINVAL; 4267 } 4268 SCTP_INP_WUNLOCK(inp); 4269 break; 4270 } 4271 case SCTP_AUTH_KEY: 4272 { 4273 struct sctp_authkey *sca; 4274 struct sctp_keyhead *shared_keys; 4275 sctp_sharedkey_t *shared_key; 4276 sctp_key_t *key = NULL; 4277 size_t size; 4278 4279 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4280 if (sca->sca_keylength == 0) { 4281 size = optsize - sizeof(struct sctp_authkey); 4282 } else { 4283 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4284 size = sca->sca_keylength; 4285 } else { 4286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4287 error = EINVAL; 4288 break; 4289 } 4290 } 4291 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4292 4293 if (stcb) { 4294 shared_keys = &stcb->asoc.shared_keys; 4295 /* clear the cached keys for this key id */ 4296 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4297 /* 4298 * create the new shared key and 4299 * insert/replace it 4300 */ 4301 if (size > 0) { 4302 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4303 if (key == NULL) { 4304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4305 error = ENOMEM; 4306 SCTP_TCB_UNLOCK(stcb); 4307 break; 4308 } 4309 } 4310 shared_key = sctp_alloc_sharedkey(); 4311 if (shared_key == NULL) { 4312 sctp_free_key(key); 4313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4314 error = ENOMEM; 4315 SCTP_TCB_UNLOCK(stcb); 4316 break; 4317 } 4318 shared_key->key = key; 4319 shared_key->keyid = sca->sca_keynumber; 4320 error = sctp_insert_sharedkey(shared_keys, shared_key); 4321 SCTP_TCB_UNLOCK(stcb); 4322 } else { 4323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4324 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4325 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4326 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4327 SCTP_INP_WLOCK(inp); 4328 shared_keys = &inp->sctp_ep.shared_keys; 4329 /* 4330 * clear the cached keys on all 4331 * assocs for this key id 4332 */ 4333 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4334 /* 4335 * create the new shared key and 4336 * insert/replace it 4337 */ 4338 if (size > 0) { 4339 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4340 if (key == NULL) { 4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4342 error = ENOMEM; 4343 SCTP_INP_WUNLOCK(inp); 4344 break; 4345 } 4346 } 4347 shared_key = sctp_alloc_sharedkey(); 4348 if (shared_key == NULL) { 4349 sctp_free_key(key); 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4351 error = ENOMEM; 4352 SCTP_INP_WUNLOCK(inp); 4353 break; 4354 } 4355 shared_key->key = key; 4356 shared_key->keyid = sca->sca_keynumber; 4357 error = sctp_insert_sharedkey(shared_keys, shared_key); 4358 SCTP_INP_WUNLOCK(inp); 4359 } 4360 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4361 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4362 SCTP_INP_RLOCK(inp); 4363 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4364 SCTP_TCB_LOCK(stcb); 4365 shared_keys = &stcb->asoc.shared_keys; 4366 /* 4367 * clear the cached keys for 4368 * this key id 4369 */ 4370 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4371 /* 4372 * create the new shared key 4373 * and insert/replace it 4374 */ 4375 if (size > 0) { 4376 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4377 if (key == NULL) { 4378 SCTP_TCB_UNLOCK(stcb); 4379 continue; 4380 } 4381 } 4382 shared_key = sctp_alloc_sharedkey(); 4383 if (shared_key == NULL) { 4384 sctp_free_key(key); 4385 SCTP_TCB_UNLOCK(stcb); 4386 continue; 4387 } 4388 shared_key->key = key; 4389 shared_key->keyid = sca->sca_keynumber; 4390 error = sctp_insert_sharedkey(shared_keys, shared_key); 4391 SCTP_TCB_UNLOCK(stcb); 4392 } 4393 SCTP_INP_RUNLOCK(inp); 4394 } 4395 } 4396 break; 4397 } 4398 case SCTP_HMAC_IDENT: 4399 { 4400 struct sctp_hmacalgo *shmac; 4401 sctp_hmaclist_t *hmaclist; 4402 uint16_t hmacid; 4403 uint32_t i; 4404 4405 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4406 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4407 (shmac->shmac_number_of_idents > 0xffff)) { 4408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4409 error = EINVAL; 4410 break; 4411 } 4412 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4413 if (hmaclist == NULL) { 4414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4415 error = ENOMEM; 4416 break; 4417 } 4418 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4419 hmacid = shmac->shmac_idents[i]; 4420 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4421 /* invalid HMACs were found */ ; 4422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4423 error = EINVAL; 4424 sctp_free_hmaclist(hmaclist); 4425 goto sctp_set_hmac_done; 4426 } 4427 } 4428 for (i = 0; i < hmaclist->num_algo; i++) { 4429 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4430 /* already in list */ 4431 break; 4432 } 4433 } 4434 if (i == hmaclist->num_algo) { 4435 /* not found in list */ 4436 sctp_free_hmaclist(hmaclist); 4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4438 error = EINVAL; 4439 break; 4440 } 4441 /* set it on the endpoint */ 4442 SCTP_INP_WLOCK(inp); 4443 if (inp->sctp_ep.local_hmacs) 4444 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4445 inp->sctp_ep.local_hmacs = hmaclist; 4446 SCTP_INP_WUNLOCK(inp); 4447 sctp_set_hmac_done: 4448 break; 4449 } 4450 case SCTP_AUTH_ACTIVE_KEY: 4451 { 4452 struct sctp_authkeyid *scact; 4453 4454 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4455 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4456 4457 /* set the active key on the right place */ 4458 if (stcb) { 4459 /* set the active key on the assoc */ 4460 if (sctp_auth_setactivekey(stcb, 4461 scact->scact_keynumber)) { 4462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4463 SCTP_FROM_SCTP_USRREQ, 4464 EINVAL); 4465 error = EINVAL; 4466 } 4467 SCTP_TCB_UNLOCK(stcb); 4468 } else { 4469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4471 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4472 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4473 SCTP_INP_WLOCK(inp); 4474 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4476 error = EINVAL; 4477 } 4478 SCTP_INP_WUNLOCK(inp); 4479 } 4480 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4481 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4482 SCTP_INP_RLOCK(inp); 4483 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4484 SCTP_TCB_LOCK(stcb); 4485 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4486 SCTP_TCB_UNLOCK(stcb); 4487 } 4488 SCTP_INP_RUNLOCK(inp); 4489 } 4490 } 4491 break; 4492 } 4493 case SCTP_AUTH_DELETE_KEY: 4494 { 4495 struct sctp_authkeyid *scdel; 4496 4497 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4498 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4499 4500 /* delete the key from the right place */ 4501 if (stcb) { 4502 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4504 error = EINVAL; 4505 } 4506 SCTP_TCB_UNLOCK(stcb); 4507 } else { 4508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4510 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4511 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4512 SCTP_INP_WLOCK(inp); 4513 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4515 error = EINVAL; 4516 } 4517 SCTP_INP_WUNLOCK(inp); 4518 } 4519 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4520 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4521 SCTP_INP_RLOCK(inp); 4522 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4523 SCTP_TCB_LOCK(stcb); 4524 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4525 SCTP_TCB_UNLOCK(stcb); 4526 } 4527 SCTP_INP_RUNLOCK(inp); 4528 } 4529 } 4530 break; 4531 } 4532 case SCTP_AUTH_DEACTIVATE_KEY: 4533 { 4534 struct sctp_authkeyid *keyid; 4535 4536 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4537 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4538 4539 /* deactivate the key from the right place */ 4540 if (stcb) { 4541 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4542 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4543 error = EINVAL; 4544 } 4545 SCTP_TCB_UNLOCK(stcb); 4546 } else { 4547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4549 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4550 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4551 SCTP_INP_WLOCK(inp); 4552 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4554 error = EINVAL; 4555 } 4556 SCTP_INP_WUNLOCK(inp); 4557 } 4558 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4559 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4560 SCTP_INP_RLOCK(inp); 4561 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4562 SCTP_TCB_LOCK(stcb); 4563 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4564 SCTP_TCB_UNLOCK(stcb); 4565 } 4566 SCTP_INP_RUNLOCK(inp); 4567 } 4568 } 4569 break; 4570 } 4571 case SCTP_ENABLE_STREAM_RESET: 4572 { 4573 struct sctp_assoc_value *av; 4574 4575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4576 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4578 error = EINVAL; 4579 break; 4580 } 4581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4582 if (stcb) { 4583 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4584 SCTP_TCB_UNLOCK(stcb); 4585 } else { 4586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4588 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4589 (av->assoc_id == SCTP_ALL_ASSOC)) { 4590 SCTP_INP_WLOCK(inp); 4591 inp->local_strreset_support = (uint8_t) av->assoc_value; 4592 SCTP_INP_WUNLOCK(inp); 4593 } 4594 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4595 (av->assoc_id == SCTP_ALL_ASSOC)) { 4596 SCTP_INP_RLOCK(inp); 4597 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4598 SCTP_TCB_LOCK(stcb); 4599 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4600 SCTP_TCB_UNLOCK(stcb); 4601 } 4602 SCTP_INP_RUNLOCK(inp); 4603 } 4604 } 4605 break; 4606 } 4607 case SCTP_RESET_STREAMS: 4608 { 4609 struct sctp_reset_streams *strrst; 4610 int i, send_out = 0; 4611 int send_in = 0; 4612 4613 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4614 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4615 if (stcb == NULL) { 4616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4617 error = ENOENT; 4618 break; 4619 } 4620 if (stcb->asoc.reconfig_supported == 0) { 4621 /* 4622 * Peer does not support the chunk type. 4623 */ 4624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4625 error = EOPNOTSUPP; 4626 SCTP_TCB_UNLOCK(stcb); 4627 break; 4628 } 4629 if (sizeof(struct sctp_reset_streams) + 4630 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4631 error = EINVAL; 4632 SCTP_TCB_UNLOCK(stcb); 4633 break; 4634 } 4635 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4636 send_in = 1; 4637 if (stcb->asoc.stream_reset_outstanding) { 4638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4639 error = EALREADY; 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 } 4644 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4645 send_out = 1; 4646 } 4647 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4649 error = ENOMEM; 4650 SCTP_TCB_UNLOCK(stcb); 4651 break; 4652 } 4653 if ((send_in == 0) && (send_out == 0)) { 4654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4655 error = EINVAL; 4656 SCTP_TCB_UNLOCK(stcb); 4657 break; 4658 } 4659 for (i = 0; i < strrst->srs_number_streams; i++) { 4660 if ((send_in) && 4661 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4663 error = EINVAL; 4664 break; 4665 } 4666 if ((send_out) && 4667 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4669 error = EINVAL; 4670 break; 4671 } 4672 } 4673 if (error) { 4674 SCTP_TCB_UNLOCK(stcb); 4675 break; 4676 } 4677 if (send_out) { 4678 int cnt; 4679 uint16_t strm; 4680 4681 if (strrst->srs_number_streams) { 4682 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4683 strm = strrst->srs_stream_list[i]; 4684 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4685 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4686 cnt++; 4687 } 4688 } 4689 } else { 4690 /* Its all */ 4691 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4692 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4693 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4694 cnt++; 4695 } 4696 } 4697 } 4698 } 4699 if (send_in) { 4700 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4701 strrst->srs_stream_list, 4702 send_in, 0, 0, 0, 0, 0); 4703 } else { 4704 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4705 } 4706 if (error == 0) { 4707 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4708 } else { 4709 /* 4710 * For outgoing streams don't report any 4711 * problems in sending the request to the 4712 * application. XXX: Double check resetting 4713 * incoming streams. 4714 */ 4715 error = 0; 4716 } 4717 SCTP_TCB_UNLOCK(stcb); 4718 break; 4719 } 4720 case SCTP_ADD_STREAMS: 4721 { 4722 struct sctp_add_streams *stradd; 4723 uint8_t addstream = 0; 4724 uint16_t add_o_strmcnt = 0; 4725 uint16_t add_i_strmcnt = 0; 4726 4727 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4728 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4729 if (stcb == NULL) { 4730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4731 error = ENOENT; 4732 break; 4733 } 4734 if (stcb->asoc.reconfig_supported == 0) { 4735 /* 4736 * Peer does not support the chunk type. 4737 */ 4738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4739 error = EOPNOTSUPP; 4740 SCTP_TCB_UNLOCK(stcb); 4741 break; 4742 } 4743 if (stcb->asoc.stream_reset_outstanding) { 4744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4745 error = EALREADY; 4746 SCTP_TCB_UNLOCK(stcb); 4747 break; 4748 } 4749 if ((stradd->sas_outstrms == 0) && 4750 (stradd->sas_instrms == 0)) { 4751 error = EINVAL; 4752 goto skip_stuff; 4753 } 4754 if (stradd->sas_outstrms) { 4755 addstream = 1; 4756 /* We allocate here */ 4757 add_o_strmcnt = stradd->sas_outstrms; 4758 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4759 /* You can't have more than 64k */ 4760 error = EINVAL; 4761 goto skip_stuff; 4762 } 4763 } 4764 if (stradd->sas_instrms) { 4765 int cnt; 4766 4767 addstream |= 2; 4768 /* 4769 * We allocate inside 4770 * sctp_send_str_reset_req() 4771 */ 4772 add_i_strmcnt = stradd->sas_instrms; 4773 cnt = add_i_strmcnt; 4774 cnt += stcb->asoc.streamincnt; 4775 if (cnt > 0x0000ffff) { 4776 /* You can't have more than 64k */ 4777 error = EINVAL; 4778 goto skip_stuff; 4779 } 4780 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4781 /* More than you are allowed */ 4782 error = EINVAL; 4783 goto skip_stuff; 4784 } 4785 } 4786 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4787 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4788 skip_stuff: 4789 SCTP_TCB_UNLOCK(stcb); 4790 break; 4791 } 4792 case SCTP_RESET_ASSOC: 4793 { 4794 int i; 4795 uint32_t *value; 4796 4797 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4798 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4799 if (stcb == NULL) { 4800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4801 error = ENOENT; 4802 break; 4803 } 4804 if (stcb->asoc.reconfig_supported == 0) { 4805 /* 4806 * Peer does not support the chunk type. 4807 */ 4808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4809 error = EOPNOTSUPP; 4810 SCTP_TCB_UNLOCK(stcb); 4811 break; 4812 } 4813 if (stcb->asoc.stream_reset_outstanding) { 4814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4815 error = EALREADY; 4816 SCTP_TCB_UNLOCK(stcb); 4817 break; 4818 } 4819 /* 4820 * Is there any data pending in the send or sent 4821 * queues? 4822 */ 4823 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4824 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4825 busy_out: 4826 error = EBUSY; 4827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4828 SCTP_TCB_UNLOCK(stcb); 4829 break; 4830 } 4831 /* Do any streams have data queued? */ 4832 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4833 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4834 goto busy_out; 4835 } 4836 } 4837 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4838 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4839 SCTP_TCB_UNLOCK(stcb); 4840 break; 4841 } 4842 case SCTP_CONNECT_X: 4843 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4845 error = EINVAL; 4846 break; 4847 } 4848 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4849 break; 4850 case SCTP_CONNECT_X_DELAYED: 4851 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4853 error = EINVAL; 4854 break; 4855 } 4856 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4857 break; 4858 case SCTP_CONNECT_X_COMPLETE: 4859 { 4860 struct sockaddr *sa; 4861 4862 /* FIXME MT: check correct? */ 4863 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4864 4865 /* find tcb */ 4866 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4867 SCTP_INP_RLOCK(inp); 4868 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4869 if (stcb) { 4870 SCTP_TCB_LOCK(stcb); 4871 } 4872 SCTP_INP_RUNLOCK(inp); 4873 } else { 4874 /* 4875 * We increment here since 4876 * sctp_findassociation_ep_addr() wil do a 4877 * decrement if it finds the stcb as long as 4878 * the locked tcb (last argument) is NOT a 4879 * TCB.. aka NULL. 4880 */ 4881 SCTP_INP_INCR_REF(inp); 4882 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4883 if (stcb == NULL) { 4884 SCTP_INP_DECR_REF(inp); 4885 } 4886 } 4887 4888 if (stcb == NULL) { 4889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4890 error = ENOENT; 4891 break; 4892 } 4893 if (stcb->asoc.delayed_connection == 1) { 4894 stcb->asoc.delayed_connection = 0; 4895 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4896 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4897 stcb->asoc.primary_destination, 4898 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4899 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4900 } else { 4901 /* 4902 * already expired or did not use delayed 4903 * connectx 4904 */ 4905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4906 error = EALREADY; 4907 } 4908 SCTP_TCB_UNLOCK(stcb); 4909 break; 4910 } 4911 case SCTP_MAX_BURST: 4912 { 4913 struct sctp_assoc_value *av; 4914 4915 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4916 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4917 4918 if (stcb) { 4919 stcb->asoc.max_burst = av->assoc_value; 4920 SCTP_TCB_UNLOCK(stcb); 4921 } else { 4922 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4923 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4924 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4925 (av->assoc_id == SCTP_ALL_ASSOC)) { 4926 SCTP_INP_WLOCK(inp); 4927 inp->sctp_ep.max_burst = av->assoc_value; 4928 SCTP_INP_WUNLOCK(inp); 4929 } 4930 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4931 (av->assoc_id == SCTP_ALL_ASSOC)) { 4932 SCTP_INP_RLOCK(inp); 4933 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4934 SCTP_TCB_LOCK(stcb); 4935 stcb->asoc.max_burst = av->assoc_value; 4936 SCTP_TCB_UNLOCK(stcb); 4937 } 4938 SCTP_INP_RUNLOCK(inp); 4939 } 4940 } 4941 break; 4942 } 4943 case SCTP_MAXSEG: 4944 { 4945 struct sctp_assoc_value *av; 4946 int ovh; 4947 4948 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4949 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4950 4951 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4952 ovh = SCTP_MED_OVERHEAD; 4953 } else { 4954 ovh = SCTP_MED_V4_OVERHEAD; 4955 } 4956 if (stcb) { 4957 if (av->assoc_value) { 4958 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4959 } else { 4960 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4961 } 4962 SCTP_TCB_UNLOCK(stcb); 4963 } else { 4964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4965 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4966 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4967 SCTP_INP_WLOCK(inp); 4968 /* 4969 * FIXME MT: I think this is not in 4970 * tune with the API ID 4971 */ 4972 if (av->assoc_value) { 4973 inp->sctp_frag_point = (av->assoc_value + ovh); 4974 } else { 4975 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4976 } 4977 SCTP_INP_WUNLOCK(inp); 4978 } else { 4979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4980 error = EINVAL; 4981 } 4982 } 4983 break; 4984 } 4985 case SCTP_EVENTS: 4986 { 4987 struct sctp_event_subscribe *events; 4988 4989 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4990 4991 SCTP_INP_WLOCK(inp); 4992 if (events->sctp_data_io_event) { 4993 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4994 } else { 4995 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4996 } 4997 4998 if (events->sctp_association_event) { 4999 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5000 } else { 5001 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5002 } 5003 5004 if (events->sctp_address_event) { 5005 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5006 } else { 5007 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5008 } 5009 5010 if (events->sctp_send_failure_event) { 5011 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5012 } else { 5013 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5014 } 5015 5016 if (events->sctp_peer_error_event) { 5017 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5018 } else { 5019 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5020 } 5021 5022 if (events->sctp_shutdown_event) { 5023 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5024 } else { 5025 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5026 } 5027 5028 if (events->sctp_partial_delivery_event) { 5029 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5030 } else { 5031 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5032 } 5033 5034 if (events->sctp_adaptation_layer_event) { 5035 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5036 } else { 5037 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5038 } 5039 5040 if (events->sctp_authentication_event) { 5041 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5042 } else { 5043 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5044 } 5045 5046 if (events->sctp_sender_dry_event) { 5047 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5048 } else { 5049 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5050 } 5051 5052 if (events->sctp_stream_reset_event) { 5053 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5054 } else { 5055 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5056 } 5057 SCTP_INP_WUNLOCK(inp); 5058 5059 SCTP_INP_RLOCK(inp); 5060 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5061 SCTP_TCB_LOCK(stcb); 5062 if (events->sctp_association_event) { 5063 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5064 } else { 5065 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5066 } 5067 if (events->sctp_address_event) { 5068 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5069 } else { 5070 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5071 } 5072 if (events->sctp_send_failure_event) { 5073 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5074 } else { 5075 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5076 } 5077 if (events->sctp_peer_error_event) { 5078 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5079 } else { 5080 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5081 } 5082 if (events->sctp_shutdown_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5086 } 5087 if (events->sctp_partial_delivery_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5091 } 5092 if (events->sctp_adaptation_layer_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5096 } 5097 if (events->sctp_authentication_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5101 } 5102 if (events->sctp_sender_dry_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5106 } 5107 if (events->sctp_stream_reset_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5111 } 5112 SCTP_TCB_UNLOCK(stcb); 5113 } 5114 /* 5115 * Send up the sender dry event only for 1-to-1 5116 * style sockets. 5117 */ 5118 if (events->sctp_sender_dry_event) { 5119 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5120 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5121 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5122 if (stcb) { 5123 SCTP_TCB_LOCK(stcb); 5124 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5125 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5126 (stcb->asoc.stream_queue_cnt == 0)) { 5127 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5128 } 5129 SCTP_TCB_UNLOCK(stcb); 5130 } 5131 } 5132 } 5133 SCTP_INP_RUNLOCK(inp); 5134 break; 5135 } 5136 case SCTP_ADAPTATION_LAYER: 5137 { 5138 struct sctp_setadaptation *adap_bits; 5139 5140 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5141 SCTP_INP_WLOCK(inp); 5142 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5143 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5144 SCTP_INP_WUNLOCK(inp); 5145 break; 5146 } 5147 #ifdef SCTP_DEBUG 5148 case SCTP_SET_INITIAL_DBG_SEQ: 5149 { 5150 uint32_t *vvv; 5151 5152 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5153 SCTP_INP_WLOCK(inp); 5154 inp->sctp_ep.initial_sequence_debug = *vvv; 5155 SCTP_INP_WUNLOCK(inp); 5156 break; 5157 } 5158 #endif 5159 case SCTP_DEFAULT_SEND_PARAM: 5160 { 5161 struct sctp_sndrcvinfo *s_info; 5162 5163 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5164 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5165 5166 if (stcb) { 5167 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5168 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5169 } else { 5170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5171 error = EINVAL; 5172 } 5173 SCTP_TCB_UNLOCK(stcb); 5174 } else { 5175 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5176 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5177 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5178 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5179 SCTP_INP_WLOCK(inp); 5180 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5181 SCTP_INP_WUNLOCK(inp); 5182 } 5183 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5184 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5185 SCTP_INP_RLOCK(inp); 5186 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5187 SCTP_TCB_LOCK(stcb); 5188 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5189 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5190 } 5191 SCTP_TCB_UNLOCK(stcb); 5192 } 5193 SCTP_INP_RUNLOCK(inp); 5194 } 5195 } 5196 break; 5197 } 5198 case SCTP_PEER_ADDR_PARAMS: 5199 { 5200 struct sctp_paddrparams *paddrp; 5201 struct sctp_nets *net; 5202 struct sockaddr *addr; 5203 5204 #if defined(INET) && defined(INET6) 5205 struct sockaddr_in sin_store; 5206 5207 #endif 5208 5209 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5210 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5211 5212 #if defined(INET) && defined(INET6) 5213 if (paddrp->spp_address.ss_family == AF_INET6) { 5214 struct sockaddr_in6 *sin6; 5215 5216 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5217 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5218 in6_sin6_2_sin(&sin_store, sin6); 5219 addr = (struct sockaddr *)&sin_store; 5220 } else { 5221 addr = (struct sockaddr *)&paddrp->spp_address; 5222 } 5223 } else { 5224 addr = (struct sockaddr *)&paddrp->spp_address; 5225 } 5226 #else 5227 addr = (struct sockaddr *)&paddrp->spp_address; 5228 #endif 5229 if (stcb != NULL) { 5230 net = sctp_findnet(stcb, addr); 5231 } else { 5232 /* 5233 * We increment here since 5234 * sctp_findassociation_ep_addr() wil do a 5235 * decrement if it finds the stcb as long as 5236 * the locked tcb (last argument) is NOT a 5237 * TCB.. aka NULL. 5238 */ 5239 net = NULL; 5240 SCTP_INP_INCR_REF(inp); 5241 stcb = sctp_findassociation_ep_addr(&inp, addr, 5242 &net, NULL, NULL); 5243 if (stcb == NULL) { 5244 SCTP_INP_DECR_REF(inp); 5245 } 5246 } 5247 if ((stcb != NULL) && (net == NULL)) { 5248 #ifdef INET 5249 if (addr->sa_family == AF_INET) { 5250 5251 struct sockaddr_in *sin; 5252 5253 sin = (struct sockaddr_in *)addr; 5254 if (sin->sin_addr.s_addr != INADDR_ANY) { 5255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5256 SCTP_TCB_UNLOCK(stcb); 5257 error = EINVAL; 5258 break; 5259 } 5260 } else 5261 #endif 5262 #ifdef INET6 5263 if (addr->sa_family == AF_INET6) { 5264 struct sockaddr_in6 *sin6; 5265 5266 sin6 = (struct sockaddr_in6 *)addr; 5267 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5269 SCTP_TCB_UNLOCK(stcb); 5270 error = EINVAL; 5271 break; 5272 } 5273 } else 5274 #endif 5275 { 5276 error = EAFNOSUPPORT; 5277 SCTP_TCB_UNLOCK(stcb); 5278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5279 break; 5280 } 5281 } 5282 /* sanity checks */ 5283 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5284 if (stcb) 5285 SCTP_TCB_UNLOCK(stcb); 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 return (EINVAL); 5288 } 5289 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5290 if (stcb) 5291 SCTP_TCB_UNLOCK(stcb); 5292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5293 return (EINVAL); 5294 } 5295 if (stcb != NULL) { 5296 /************************TCB SPECIFIC SET ******************/ 5297 if (net != NULL) { 5298 /************************NET SPECIFIC SET ******************/ 5299 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5300 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5301 !(net->dest_state & SCTP_ADDR_NOHB)) { 5302 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5303 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5304 } 5305 net->dest_state |= SCTP_ADDR_NOHB; 5306 } 5307 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5308 if (paddrp->spp_hbinterval) { 5309 net->heart_beat_delay = paddrp->spp_hbinterval; 5310 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5311 net->heart_beat_delay = 0; 5312 } 5313 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5314 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5315 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5316 net->dest_state &= ~SCTP_ADDR_NOHB; 5317 } 5318 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5319 /* on demand HB */ 5320 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5321 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5322 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5323 } 5324 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5325 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5326 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5327 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5328 } 5329 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5330 net->mtu = paddrp->spp_pathmtu; 5331 switch (net->ro._l_addr.sa.sa_family) { 5332 #ifdef INET 5333 case AF_INET: 5334 net->mtu += SCTP_MIN_V4_OVERHEAD; 5335 break; 5336 #endif 5337 #ifdef INET6 5338 case AF_INET6: 5339 net->mtu += SCTP_MIN_OVERHEAD; 5340 break; 5341 #endif 5342 default: 5343 break; 5344 } 5345 if (net->mtu < stcb->asoc.smallest_mtu) { 5346 sctp_pathmtu_adjustment(stcb, net->mtu); 5347 } 5348 } 5349 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5350 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5351 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5352 } 5353 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5354 } 5355 if (paddrp->spp_pathmaxrxt) { 5356 if (net->dest_state & SCTP_ADDR_PF) { 5357 if (net->error_count > paddrp->spp_pathmaxrxt) { 5358 net->dest_state &= ~SCTP_ADDR_PF; 5359 } 5360 } else { 5361 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5362 (net->error_count > net->pf_threshold)) { 5363 net->dest_state |= SCTP_ADDR_PF; 5364 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5365 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5366 stcb->sctp_ep, stcb, net, 5367 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5368 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5369 } 5370 } 5371 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5372 if (net->error_count > paddrp->spp_pathmaxrxt) { 5373 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5374 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5375 } 5376 } else { 5377 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5378 net->dest_state |= SCTP_ADDR_REACHABLE; 5379 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5380 } 5381 } 5382 net->failure_threshold = paddrp->spp_pathmaxrxt; 5383 } 5384 if (paddrp->spp_flags & SPP_DSCP) { 5385 net->dscp = paddrp->spp_dscp & 0xfc; 5386 net->dscp |= 0x01; 5387 } 5388 #ifdef INET6 5389 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5390 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5391 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5392 net->flowlabel |= 0x80000000; 5393 } 5394 } 5395 #endif 5396 } else { 5397 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5398 if (paddrp->spp_pathmaxrxt != 0) { 5399 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5400 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5401 if (net->dest_state & SCTP_ADDR_PF) { 5402 if (net->error_count > paddrp->spp_pathmaxrxt) { 5403 net->dest_state &= ~SCTP_ADDR_PF; 5404 } 5405 } else { 5406 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5407 (net->error_count > net->pf_threshold)) { 5408 net->dest_state |= SCTP_ADDR_PF; 5409 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5410 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5411 stcb->sctp_ep, stcb, net, 5412 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5413 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5414 } 5415 } 5416 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5417 if (net->error_count > paddrp->spp_pathmaxrxt) { 5418 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5419 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5420 } 5421 } else { 5422 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5423 net->dest_state |= SCTP_ADDR_REACHABLE; 5424 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5425 } 5426 } 5427 net->failure_threshold = paddrp->spp_pathmaxrxt; 5428 } 5429 } 5430 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5431 if (paddrp->spp_hbinterval != 0) { 5432 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5433 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5434 stcb->asoc.heart_beat_delay = 0; 5435 } 5436 /* Turn back on the timer */ 5437 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5438 if (paddrp->spp_hbinterval != 0) { 5439 net->heart_beat_delay = paddrp->spp_hbinterval; 5440 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5441 net->heart_beat_delay = 0; 5442 } 5443 if (net->dest_state & SCTP_ADDR_NOHB) { 5444 net->dest_state &= ~SCTP_ADDR_NOHB; 5445 } 5446 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5449 } 5450 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5451 } 5452 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5455 net->dest_state |= SCTP_ADDR_NOHB; 5456 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5457 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5458 inp, stcb, net, 5459 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5460 } 5461 } 5462 } 5463 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5464 } 5465 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5466 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5467 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5468 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5469 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5470 } 5471 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5472 net->mtu = paddrp->spp_pathmtu; 5473 switch (net->ro._l_addr.sa.sa_family) { 5474 #ifdef INET 5475 case AF_INET: 5476 net->mtu += SCTP_MIN_V4_OVERHEAD; 5477 break; 5478 #endif 5479 #ifdef INET6 5480 case AF_INET6: 5481 net->mtu += SCTP_MIN_OVERHEAD; 5482 break; 5483 #endif 5484 default: 5485 break; 5486 } 5487 if (net->mtu < stcb->asoc.smallest_mtu) { 5488 sctp_pathmtu_adjustment(stcb, net->mtu); 5489 } 5490 } 5491 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5492 } 5493 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5494 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5495 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5496 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5497 } 5498 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5499 } 5500 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5501 } 5502 if (paddrp->spp_flags & SPP_DSCP) { 5503 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5504 net->dscp = paddrp->spp_dscp & 0xfc; 5505 net->dscp |= 0x01; 5506 } 5507 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5508 stcb->asoc.default_dscp |= 0x01; 5509 } 5510 #ifdef INET6 5511 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5512 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5513 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5514 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5515 net->flowlabel |= 0x80000000; 5516 } 5517 } 5518 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5519 stcb->asoc.default_flowlabel |= 0x80000000; 5520 } 5521 #endif 5522 } 5523 SCTP_TCB_UNLOCK(stcb); 5524 } else { 5525 /************************NO TCB, SET TO default stuff ******************/ 5526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5527 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5528 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5529 SCTP_INP_WLOCK(inp); 5530 /* 5531 * For the TOS/FLOWLABEL stuff you 5532 * set it with the options on the 5533 * socket 5534 */ 5535 if (paddrp->spp_pathmaxrxt != 0) { 5536 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5537 } 5538 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5539 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5540 else if (paddrp->spp_hbinterval != 0) { 5541 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5542 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5543 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5544 } 5545 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5546 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5547 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5548 } else if (paddrp->spp_hbinterval) { 5549 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5550 } 5551 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5552 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5553 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5554 } 5555 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5556 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5557 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5558 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5559 } 5560 if (paddrp->spp_flags & SPP_DSCP) { 5561 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5562 inp->sctp_ep.default_dscp |= 0x01; 5563 } 5564 #ifdef INET6 5565 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5566 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5567 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5568 inp->sctp_ep.default_flowlabel |= 0x80000000; 5569 } 5570 } 5571 #endif 5572 SCTP_INP_WUNLOCK(inp); 5573 } else { 5574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5575 error = EINVAL; 5576 } 5577 } 5578 break; 5579 } 5580 case SCTP_RTOINFO: 5581 { 5582 struct sctp_rtoinfo *srto; 5583 uint32_t new_init, new_min, new_max; 5584 5585 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5586 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5587 5588 if (stcb) { 5589 if (srto->srto_initial) 5590 new_init = srto->srto_initial; 5591 else 5592 new_init = stcb->asoc.initial_rto; 5593 if (srto->srto_max) 5594 new_max = srto->srto_max; 5595 else 5596 new_max = stcb->asoc.maxrto; 5597 if (srto->srto_min) 5598 new_min = srto->srto_min; 5599 else 5600 new_min = stcb->asoc.minrto; 5601 if ((new_min <= new_init) && (new_init <= new_max)) { 5602 stcb->asoc.initial_rto = new_init; 5603 stcb->asoc.maxrto = new_max; 5604 stcb->asoc.minrto = new_min; 5605 } else { 5606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5607 error = EINVAL; 5608 } 5609 SCTP_TCB_UNLOCK(stcb); 5610 } else { 5611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5613 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5614 SCTP_INP_WLOCK(inp); 5615 if (srto->srto_initial) 5616 new_init = srto->srto_initial; 5617 else 5618 new_init = inp->sctp_ep.initial_rto; 5619 if (srto->srto_max) 5620 new_max = srto->srto_max; 5621 else 5622 new_max = inp->sctp_ep.sctp_maxrto; 5623 if (srto->srto_min) 5624 new_min = srto->srto_min; 5625 else 5626 new_min = inp->sctp_ep.sctp_minrto; 5627 if ((new_min <= new_init) && (new_init <= new_max)) { 5628 inp->sctp_ep.initial_rto = new_init; 5629 inp->sctp_ep.sctp_maxrto = new_max; 5630 inp->sctp_ep.sctp_minrto = new_min; 5631 } else { 5632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5633 error = EINVAL; 5634 } 5635 SCTP_INP_WUNLOCK(inp); 5636 } else { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 error = EINVAL; 5639 } 5640 } 5641 break; 5642 } 5643 case SCTP_ASSOCINFO: 5644 { 5645 struct sctp_assocparams *sasoc; 5646 5647 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5648 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5649 if (sasoc->sasoc_cookie_life) { 5650 /* boundary check the cookie life */ 5651 if (sasoc->sasoc_cookie_life < 1000) 5652 sasoc->sasoc_cookie_life = 1000; 5653 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5654 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5655 } 5656 } 5657 if (stcb) { 5658 if (sasoc->sasoc_asocmaxrxt) 5659 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5660 if (sasoc->sasoc_cookie_life) { 5661 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5662 } 5663 SCTP_TCB_UNLOCK(stcb); 5664 } else { 5665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5667 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5668 SCTP_INP_WLOCK(inp); 5669 if (sasoc->sasoc_asocmaxrxt) 5670 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5671 if (sasoc->sasoc_cookie_life) { 5672 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5673 } 5674 SCTP_INP_WUNLOCK(inp); 5675 } else { 5676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5677 error = EINVAL; 5678 } 5679 } 5680 break; 5681 } 5682 case SCTP_INITMSG: 5683 { 5684 struct sctp_initmsg *sinit; 5685 5686 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5687 SCTP_INP_WLOCK(inp); 5688 if (sinit->sinit_num_ostreams) 5689 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5690 5691 if (sinit->sinit_max_instreams) 5692 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5693 5694 if (sinit->sinit_max_attempts) 5695 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5696 5697 if (sinit->sinit_max_init_timeo) 5698 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5699 SCTP_INP_WUNLOCK(inp); 5700 break; 5701 } 5702 case SCTP_PRIMARY_ADDR: 5703 { 5704 struct sctp_setprim *spa; 5705 struct sctp_nets *net; 5706 struct sockaddr *addr; 5707 5708 #if defined(INET) && defined(INET6) 5709 struct sockaddr_in sin_store; 5710 5711 #endif 5712 5713 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5714 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5715 5716 #if defined(INET) && defined(INET6) 5717 if (spa->ssp_addr.ss_family == AF_INET6) { 5718 struct sockaddr_in6 *sin6; 5719 5720 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5721 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5722 in6_sin6_2_sin(&sin_store, sin6); 5723 addr = (struct sockaddr *)&sin_store; 5724 } else { 5725 addr = (struct sockaddr *)&spa->ssp_addr; 5726 } 5727 } else { 5728 addr = (struct sockaddr *)&spa->ssp_addr; 5729 } 5730 #else 5731 addr = (struct sockaddr *)&spa->ssp_addr; 5732 #endif 5733 if (stcb != NULL) { 5734 net = sctp_findnet(stcb, addr); 5735 } else { 5736 /* 5737 * We increment here since 5738 * sctp_findassociation_ep_addr() wil do a 5739 * decrement if it finds the stcb as long as 5740 * the locked tcb (last argument) is NOT a 5741 * TCB.. aka NULL. 5742 */ 5743 net = NULL; 5744 SCTP_INP_INCR_REF(inp); 5745 stcb = sctp_findassociation_ep_addr(&inp, addr, 5746 &net, NULL, NULL); 5747 if (stcb == NULL) { 5748 SCTP_INP_DECR_REF(inp); 5749 } 5750 } 5751 5752 if ((stcb != NULL) && (net != NULL)) { 5753 if (net != stcb->asoc.primary_destination) { 5754 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5755 /* Ok we need to set it */ 5756 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5757 if ((stcb->asoc.alternate) && 5758 (!(net->dest_state & SCTP_ADDR_PF)) && 5759 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5760 sctp_free_remote_addr(stcb->asoc.alternate); 5761 stcb->asoc.alternate = NULL; 5762 } 5763 } else { 5764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5765 error = EINVAL; 5766 } 5767 } else { 5768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5769 error = EINVAL; 5770 } 5771 } 5772 } else { 5773 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5774 error = EINVAL; 5775 } 5776 if (stcb != NULL) { 5777 SCTP_TCB_UNLOCK(stcb); 5778 } 5779 break; 5780 } 5781 case SCTP_SET_DYNAMIC_PRIMARY: 5782 { 5783 union sctp_sockstore *ss; 5784 5785 error = priv_check(curthread, 5786 PRIV_NETINET_RESERVEDPORT); 5787 if (error) 5788 break; 5789 5790 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5791 /* SUPER USER CHECK? */ 5792 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5793 break; 5794 } 5795 case SCTP_SET_PEER_PRIMARY_ADDR: 5796 { 5797 struct sctp_setpeerprim *sspp; 5798 struct sockaddr *addr; 5799 5800 #if defined(INET) && defined(INET6) 5801 struct sockaddr_in sin_store; 5802 5803 #endif 5804 5805 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5806 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5807 if (stcb != NULL) { 5808 struct sctp_ifa *ifa; 5809 5810 #if defined(INET) && defined(INET6) 5811 if (sspp->sspp_addr.ss_family == AF_INET6) { 5812 struct sockaddr_in6 *sin6; 5813 5814 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5815 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5816 in6_sin6_2_sin(&sin_store, sin6); 5817 addr = (struct sockaddr *)&sin_store; 5818 } else { 5819 addr = (struct sockaddr *)&sspp->sspp_addr; 5820 } 5821 } else { 5822 addr = (struct sockaddr *)&sspp->sspp_addr; 5823 } 5824 #else 5825 addr = (struct sockaddr *)&sspp->sspp_addr; 5826 #endif 5827 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5828 if (ifa == NULL) { 5829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5830 error = EINVAL; 5831 goto out_of_it; 5832 } 5833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5834 /* 5835 * Must validate the ifa found is in 5836 * our ep 5837 */ 5838 struct sctp_laddr *laddr; 5839 int found = 0; 5840 5841 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5842 if (laddr->ifa == NULL) { 5843 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5844 __func__); 5845 continue; 5846 } 5847 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5848 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5849 continue; 5850 } 5851 if (laddr->ifa == ifa) { 5852 found = 1; 5853 break; 5854 } 5855 } 5856 if (!found) { 5857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5858 error = EINVAL; 5859 goto out_of_it; 5860 } 5861 } else { 5862 switch (addr->sa_family) { 5863 #ifdef INET 5864 case AF_INET: 5865 { 5866 struct sockaddr_in *sin; 5867 5868 sin = (struct sockaddr_in *)addr; 5869 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5870 &sin->sin_addr) != 0) { 5871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5872 error = EINVAL; 5873 goto out_of_it; 5874 } 5875 break; 5876 } 5877 #endif 5878 #ifdef INET6 5879 case AF_INET6: 5880 { 5881 struct sockaddr_in6 *sin6; 5882 5883 sin6 = (struct sockaddr_in6 *)addr; 5884 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5885 &sin6->sin6_addr) != 0) { 5886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5887 error = EINVAL; 5888 goto out_of_it; 5889 } 5890 break; 5891 } 5892 #endif 5893 default: 5894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5895 error = EINVAL; 5896 goto out_of_it; 5897 } 5898 } 5899 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5901 error = EINVAL; 5902 } 5903 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5904 out_of_it: 5905 SCTP_TCB_UNLOCK(stcb); 5906 } else { 5907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5908 error = EINVAL; 5909 } 5910 break; 5911 } 5912 case SCTP_BINDX_ADD_ADDR: 5913 { 5914 struct sctp_getaddresses *addrs; 5915 struct thread *td; 5916 5917 td = (struct thread *)p; 5918 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5919 optsize); 5920 #ifdef INET 5921 if (addrs->addr->sa_family == AF_INET) { 5922 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 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_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5928 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5929 break; 5930 } 5931 } else 5932 #endif 5933 #ifdef INET6 5934 if (addrs->addr->sa_family == AF_INET6) { 5935 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5937 error = EINVAL; 5938 break; 5939 } 5940 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5941 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5942 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5943 break; 5944 } 5945 } else 5946 #endif 5947 { 5948 error = EAFNOSUPPORT; 5949 break; 5950 } 5951 sctp_bindx_add_address(so, inp, addrs->addr, 5952 addrs->sget_assoc_id, vrf_id, 5953 &error, p); 5954 break; 5955 } 5956 case SCTP_BINDX_REM_ADDR: 5957 { 5958 struct sctp_getaddresses *addrs; 5959 struct thread *td; 5960 5961 td = (struct thread *)p; 5962 5963 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5964 #ifdef INET 5965 if (addrs->addr->sa_family == AF_INET) { 5966 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5968 error = EINVAL; 5969 break; 5970 } 5971 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5972 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5973 break; 5974 } 5975 } else 5976 #endif 5977 #ifdef INET6 5978 if (addrs->addr->sa_family == AF_INET6) { 5979 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5981 error = EINVAL; 5982 break; 5983 } 5984 if (td != NULL && 5985 (error = prison_local_ip6(td->td_ucred, 5986 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5987 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5988 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5989 break; 5990 } 5991 } else 5992 #endif 5993 { 5994 error = EAFNOSUPPORT; 5995 break; 5996 } 5997 sctp_bindx_delete_address(inp, addrs->addr, 5998 addrs->sget_assoc_id, vrf_id, 5999 &error); 6000 break; 6001 } 6002 case SCTP_EVENT: 6003 { 6004 struct sctp_event *event; 6005 uint32_t event_type; 6006 6007 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6008 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6009 switch (event->se_type) { 6010 case SCTP_ASSOC_CHANGE: 6011 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6012 break; 6013 case SCTP_PEER_ADDR_CHANGE: 6014 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6015 break; 6016 case SCTP_REMOTE_ERROR: 6017 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6018 break; 6019 case SCTP_SEND_FAILED: 6020 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6021 break; 6022 case SCTP_SHUTDOWN_EVENT: 6023 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6024 break; 6025 case SCTP_ADAPTATION_INDICATION: 6026 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6027 break; 6028 case SCTP_PARTIAL_DELIVERY_EVENT: 6029 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6030 break; 6031 case SCTP_AUTHENTICATION_EVENT: 6032 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6033 break; 6034 case SCTP_STREAM_RESET_EVENT: 6035 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6036 break; 6037 case SCTP_SENDER_DRY_EVENT: 6038 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6039 break; 6040 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6041 event_type = 0; 6042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6043 error = ENOTSUP; 6044 break; 6045 case SCTP_ASSOC_RESET_EVENT: 6046 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6047 break; 6048 case SCTP_STREAM_CHANGE_EVENT: 6049 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6050 break; 6051 case SCTP_SEND_FAILED_EVENT: 6052 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6053 break; 6054 default: 6055 event_type = 0; 6056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6057 error = EINVAL; 6058 break; 6059 } 6060 if (event_type > 0) { 6061 if (stcb) { 6062 if (event->se_on) { 6063 sctp_stcb_feature_on(inp, stcb, event_type); 6064 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6065 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6066 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6067 (stcb->asoc.stream_queue_cnt == 0)) { 6068 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6069 } 6070 } 6071 } else { 6072 sctp_stcb_feature_off(inp, stcb, event_type); 6073 } 6074 SCTP_TCB_UNLOCK(stcb); 6075 } else { 6076 /* 6077 * We don't want to send up a storm 6078 * of events, so return an error for 6079 * sender dry events 6080 */ 6081 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6082 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6083 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6084 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6085 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6087 error = ENOTSUP; 6088 break; 6089 } 6090 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6091 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6092 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6093 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6094 SCTP_INP_WLOCK(inp); 6095 if (event->se_on) { 6096 sctp_feature_on(inp, event_type); 6097 } else { 6098 sctp_feature_off(inp, event_type); 6099 } 6100 SCTP_INP_WUNLOCK(inp); 6101 } 6102 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6103 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6104 SCTP_INP_RLOCK(inp); 6105 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6106 SCTP_TCB_LOCK(stcb); 6107 if (event->se_on) { 6108 sctp_stcb_feature_on(inp, stcb, event_type); 6109 } else { 6110 sctp_stcb_feature_off(inp, stcb, event_type); 6111 } 6112 SCTP_TCB_UNLOCK(stcb); 6113 } 6114 SCTP_INP_RUNLOCK(inp); 6115 } 6116 } 6117 } 6118 break; 6119 } 6120 case SCTP_RECVRCVINFO: 6121 { 6122 int *onoff; 6123 6124 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6125 SCTP_INP_WLOCK(inp); 6126 if (*onoff != 0) { 6127 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6128 } else { 6129 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6130 } 6131 SCTP_INP_WUNLOCK(inp); 6132 break; 6133 } 6134 case SCTP_RECVNXTINFO: 6135 { 6136 int *onoff; 6137 6138 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6139 SCTP_INP_WLOCK(inp); 6140 if (*onoff != 0) { 6141 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6142 } else { 6143 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6144 } 6145 SCTP_INP_WUNLOCK(inp); 6146 break; 6147 } 6148 case SCTP_DEFAULT_SNDINFO: 6149 { 6150 struct sctp_sndinfo *info; 6151 uint16_t policy; 6152 6153 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6154 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6155 6156 if (stcb) { 6157 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6158 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6159 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6160 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6161 stcb->asoc.def_send.sinfo_flags |= policy; 6162 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6163 stcb->asoc.def_send.sinfo_context = info->snd_context; 6164 } else { 6165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6166 error = EINVAL; 6167 } 6168 SCTP_TCB_UNLOCK(stcb); 6169 } else { 6170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6172 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6173 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6174 SCTP_INP_WLOCK(inp); 6175 inp->def_send.sinfo_stream = info->snd_sid; 6176 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6177 inp->def_send.sinfo_flags = info->snd_flags; 6178 inp->def_send.sinfo_flags |= policy; 6179 inp->def_send.sinfo_ppid = info->snd_ppid; 6180 inp->def_send.sinfo_context = info->snd_context; 6181 SCTP_INP_WUNLOCK(inp); 6182 } 6183 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6184 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6185 SCTP_INP_RLOCK(inp); 6186 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6187 SCTP_TCB_LOCK(stcb); 6188 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6189 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6190 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6191 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6192 stcb->asoc.def_send.sinfo_flags |= policy; 6193 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6194 stcb->asoc.def_send.sinfo_context = info->snd_context; 6195 } 6196 SCTP_TCB_UNLOCK(stcb); 6197 } 6198 SCTP_INP_RUNLOCK(inp); 6199 } 6200 } 6201 break; 6202 } 6203 case SCTP_DEFAULT_PRINFO: 6204 { 6205 struct sctp_default_prinfo *info; 6206 6207 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6208 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6209 6210 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6212 error = EINVAL; 6213 break; 6214 } 6215 if (stcb) { 6216 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6217 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6218 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6219 SCTP_TCB_UNLOCK(stcb); 6220 } else { 6221 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6222 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6223 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6224 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6225 SCTP_INP_WLOCK(inp); 6226 inp->def_send.sinfo_flags &= 0xfff0; 6227 inp->def_send.sinfo_flags |= info->pr_policy; 6228 inp->def_send.sinfo_timetolive = info->pr_value; 6229 SCTP_INP_WUNLOCK(inp); 6230 } 6231 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6232 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6233 SCTP_INP_RLOCK(inp); 6234 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6235 SCTP_TCB_LOCK(stcb); 6236 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6237 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6238 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6239 SCTP_TCB_UNLOCK(stcb); 6240 } 6241 SCTP_INP_RUNLOCK(inp); 6242 } 6243 } 6244 break; 6245 } 6246 case SCTP_PEER_ADDR_THLDS: 6247 /* Applies to the specific association */ 6248 { 6249 struct sctp_paddrthlds *thlds; 6250 struct sctp_nets *net; 6251 struct sockaddr *addr; 6252 6253 #if defined(INET) && defined(INET6) 6254 struct sockaddr_in sin_store; 6255 6256 #endif 6257 6258 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6259 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6260 6261 #if defined(INET) && defined(INET6) 6262 if (thlds->spt_address.ss_family == AF_INET6) { 6263 struct sockaddr_in6 *sin6; 6264 6265 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6266 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6267 in6_sin6_2_sin(&sin_store, sin6); 6268 addr = (struct sockaddr *)&sin_store; 6269 } else { 6270 addr = (struct sockaddr *)&thlds->spt_address; 6271 } 6272 } else { 6273 addr = (struct sockaddr *)&thlds->spt_address; 6274 } 6275 #else 6276 addr = (struct sockaddr *)&thlds->spt_address; 6277 #endif 6278 if (stcb != NULL) { 6279 net = sctp_findnet(stcb, addr); 6280 } else { 6281 /* 6282 * We increment here since 6283 * sctp_findassociation_ep_addr() wil do a 6284 * decrement if it finds the stcb as long as 6285 * the locked tcb (last argument) is NOT a 6286 * TCB.. aka NULL. 6287 */ 6288 net = NULL; 6289 SCTP_INP_INCR_REF(inp); 6290 stcb = sctp_findassociation_ep_addr(&inp, addr, 6291 &net, NULL, NULL); 6292 if (stcb == NULL) { 6293 SCTP_INP_DECR_REF(inp); 6294 } 6295 } 6296 if ((stcb != NULL) && (net == NULL)) { 6297 #ifdef INET 6298 if (addr->sa_family == AF_INET) { 6299 6300 struct sockaddr_in *sin; 6301 6302 sin = (struct sockaddr_in *)addr; 6303 if (sin->sin_addr.s_addr != INADDR_ANY) { 6304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6305 SCTP_TCB_UNLOCK(stcb); 6306 error = EINVAL; 6307 break; 6308 } 6309 } else 6310 #endif 6311 #ifdef INET6 6312 if (addr->sa_family == AF_INET6) { 6313 struct sockaddr_in6 *sin6; 6314 6315 sin6 = (struct sockaddr_in6 *)addr; 6316 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6318 SCTP_TCB_UNLOCK(stcb); 6319 error = EINVAL; 6320 break; 6321 } 6322 } else 6323 #endif 6324 { 6325 error = EAFNOSUPPORT; 6326 SCTP_TCB_UNLOCK(stcb); 6327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6328 break; 6329 } 6330 } 6331 if (thlds->spt_pathcpthld != 0xffff) { 6332 error = EINVAL; 6333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6334 break; 6335 } 6336 if (stcb != NULL) { 6337 if (net != NULL) { 6338 net->failure_threshold = thlds->spt_pathmaxrxt; 6339 net->pf_threshold = thlds->spt_pathpfthld; 6340 if (net->dest_state & SCTP_ADDR_PF) { 6341 if ((net->error_count > net->failure_threshold) || 6342 (net->error_count <= net->pf_threshold)) { 6343 net->dest_state &= ~SCTP_ADDR_PF; 6344 } 6345 } else { 6346 if ((net->error_count > net->pf_threshold) && 6347 (net->error_count <= net->failure_threshold)) { 6348 net->dest_state |= SCTP_ADDR_PF; 6349 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6350 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6351 stcb->sctp_ep, stcb, net, 6352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6353 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6354 } 6355 } 6356 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6357 if (net->error_count > net->failure_threshold) { 6358 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6359 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6360 } 6361 } else { 6362 if (net->error_count <= net->failure_threshold) { 6363 net->dest_state |= SCTP_ADDR_REACHABLE; 6364 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6365 } 6366 } 6367 } else { 6368 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6369 net->failure_threshold = thlds->spt_pathmaxrxt; 6370 net->pf_threshold = thlds->spt_pathpfthld; 6371 if (net->dest_state & SCTP_ADDR_PF) { 6372 if ((net->error_count > net->failure_threshold) || 6373 (net->error_count <= net->pf_threshold)) { 6374 net->dest_state &= ~SCTP_ADDR_PF; 6375 } 6376 } else { 6377 if ((net->error_count > net->pf_threshold) && 6378 (net->error_count <= net->failure_threshold)) { 6379 net->dest_state |= SCTP_ADDR_PF; 6380 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6381 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6382 stcb->sctp_ep, stcb, net, 6383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6384 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6385 } 6386 } 6387 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6388 if (net->error_count > net->failure_threshold) { 6389 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6390 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6391 } 6392 } else { 6393 if (net->error_count <= net->failure_threshold) { 6394 net->dest_state |= SCTP_ADDR_REACHABLE; 6395 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6396 } 6397 } 6398 } 6399 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6400 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6401 } 6402 SCTP_TCB_UNLOCK(stcb); 6403 } else { 6404 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6405 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6406 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6407 SCTP_INP_WLOCK(inp); 6408 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6409 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6410 SCTP_INP_WUNLOCK(inp); 6411 } else { 6412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6413 error = EINVAL; 6414 } 6415 } 6416 break; 6417 } 6418 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6419 { 6420 struct sctp_udpencaps *encaps; 6421 struct sctp_nets *net; 6422 struct sockaddr *addr; 6423 6424 #if defined(INET) && defined(INET6) 6425 struct sockaddr_in sin_store; 6426 6427 #endif 6428 6429 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6430 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6431 6432 #if defined(INET) && defined(INET6) 6433 if (encaps->sue_address.ss_family == AF_INET6) { 6434 struct sockaddr_in6 *sin6; 6435 6436 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6437 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6438 in6_sin6_2_sin(&sin_store, sin6); 6439 addr = (struct sockaddr *)&sin_store; 6440 } else { 6441 addr = (struct sockaddr *)&encaps->sue_address; 6442 } 6443 } else { 6444 addr = (struct sockaddr *)&encaps->sue_address; 6445 } 6446 #else 6447 addr = (struct sockaddr *)&encaps->sue_address; 6448 #endif 6449 if (stcb != NULL) { 6450 net = sctp_findnet(stcb, addr); 6451 } else { 6452 /* 6453 * We increment here since 6454 * sctp_findassociation_ep_addr() wil do a 6455 * decrement if it finds the stcb as long as 6456 * the locked tcb (last argument) is NOT a 6457 * TCB.. aka NULL. 6458 */ 6459 net = NULL; 6460 SCTP_INP_INCR_REF(inp); 6461 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6462 if (stcb == NULL) { 6463 SCTP_INP_DECR_REF(inp); 6464 } 6465 } 6466 if ((stcb != NULL) && (net == NULL)) { 6467 #ifdef INET 6468 if (addr->sa_family == AF_INET) { 6469 6470 struct sockaddr_in *sin; 6471 6472 sin = (struct sockaddr_in *)addr; 6473 if (sin->sin_addr.s_addr != INADDR_ANY) { 6474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6475 SCTP_TCB_UNLOCK(stcb); 6476 error = EINVAL; 6477 break; 6478 } 6479 } else 6480 #endif 6481 #ifdef INET6 6482 if (addr->sa_family == AF_INET6) { 6483 struct sockaddr_in6 *sin6; 6484 6485 sin6 = (struct sockaddr_in6 *)addr; 6486 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6488 SCTP_TCB_UNLOCK(stcb); 6489 error = EINVAL; 6490 break; 6491 } 6492 } else 6493 #endif 6494 { 6495 error = EAFNOSUPPORT; 6496 SCTP_TCB_UNLOCK(stcb); 6497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6498 break; 6499 } 6500 } 6501 if (stcb != NULL) { 6502 if (net != NULL) { 6503 net->port = encaps->sue_port; 6504 } else { 6505 stcb->asoc.port = encaps->sue_port; 6506 } 6507 SCTP_TCB_UNLOCK(stcb); 6508 } else { 6509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6511 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6512 SCTP_INP_WLOCK(inp); 6513 inp->sctp_ep.port = encaps->sue_port; 6514 SCTP_INP_WUNLOCK(inp); 6515 } else { 6516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6517 error = EINVAL; 6518 } 6519 } 6520 break; 6521 } 6522 case SCTP_ECN_SUPPORTED: 6523 { 6524 struct sctp_assoc_value *av; 6525 6526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6528 6529 if (stcb) { 6530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6531 error = EINVAL; 6532 SCTP_TCB_UNLOCK(stcb); 6533 } else { 6534 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6535 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6536 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6537 SCTP_INP_WLOCK(inp); 6538 if (av->assoc_value == 0) { 6539 inp->ecn_supported = 0; 6540 } else { 6541 inp->ecn_supported = 1; 6542 } 6543 SCTP_INP_WUNLOCK(inp); 6544 } else { 6545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6546 error = EINVAL; 6547 } 6548 } 6549 break; 6550 } 6551 case SCTP_PR_SUPPORTED: 6552 { 6553 struct sctp_assoc_value *av; 6554 6555 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6556 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6557 6558 if (stcb) { 6559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6560 error = EINVAL; 6561 SCTP_TCB_UNLOCK(stcb); 6562 } else { 6563 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6564 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6565 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6566 SCTP_INP_WLOCK(inp); 6567 if (av->assoc_value == 0) { 6568 inp->prsctp_supported = 0; 6569 } else { 6570 inp->prsctp_supported = 1; 6571 } 6572 SCTP_INP_WUNLOCK(inp); 6573 } else { 6574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6575 error = EINVAL; 6576 } 6577 } 6578 break; 6579 } 6580 case SCTP_AUTH_SUPPORTED: 6581 { 6582 struct sctp_assoc_value *av; 6583 6584 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6585 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6586 6587 if (stcb) { 6588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6589 error = EINVAL; 6590 SCTP_TCB_UNLOCK(stcb); 6591 } else { 6592 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6593 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6594 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6595 if ((av->assoc_value == 0) && 6596 (inp->asconf_supported == 1)) { 6597 /* 6598 * AUTH is required for 6599 * ASCONF 6600 */ 6601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6602 error = EINVAL; 6603 } else { 6604 SCTP_INP_WLOCK(inp); 6605 if (av->assoc_value == 0) { 6606 inp->auth_supported = 0; 6607 } else { 6608 inp->auth_supported = 1; 6609 } 6610 SCTP_INP_WUNLOCK(inp); 6611 } 6612 } else { 6613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6614 error = EINVAL; 6615 } 6616 } 6617 break; 6618 } 6619 case SCTP_ASCONF_SUPPORTED: 6620 { 6621 struct sctp_assoc_value *av; 6622 6623 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6624 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6625 6626 if (stcb) { 6627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6628 error = EINVAL; 6629 SCTP_TCB_UNLOCK(stcb); 6630 } else { 6631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6633 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6634 if ((av->assoc_value != 0) && 6635 (inp->auth_supported == 0)) { 6636 /* 6637 * AUTH is required for 6638 * ASCONF 6639 */ 6640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6641 error = EINVAL; 6642 } else { 6643 SCTP_INP_WLOCK(inp); 6644 if (av->assoc_value == 0) { 6645 inp->asconf_supported = 0; 6646 sctp_auth_delete_chunk(SCTP_ASCONF, 6647 inp->sctp_ep.local_auth_chunks); 6648 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6649 inp->sctp_ep.local_auth_chunks); 6650 } else { 6651 inp->asconf_supported = 1; 6652 sctp_auth_add_chunk(SCTP_ASCONF, 6653 inp->sctp_ep.local_auth_chunks); 6654 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6655 inp->sctp_ep.local_auth_chunks); 6656 } 6657 SCTP_INP_WUNLOCK(inp); 6658 } 6659 } else { 6660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6661 error = EINVAL; 6662 } 6663 } 6664 break; 6665 } 6666 case SCTP_RECONFIG_SUPPORTED: 6667 { 6668 struct sctp_assoc_value *av; 6669 6670 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6671 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6672 6673 if (stcb) { 6674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6675 error = EINVAL; 6676 SCTP_TCB_UNLOCK(stcb); 6677 } else { 6678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6680 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6681 SCTP_INP_WLOCK(inp); 6682 if (av->assoc_value == 0) { 6683 inp->reconfig_supported = 0; 6684 } else { 6685 inp->reconfig_supported = 1; 6686 } 6687 SCTP_INP_WUNLOCK(inp); 6688 } else { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 } 6692 } 6693 break; 6694 } 6695 case SCTP_NRSACK_SUPPORTED: 6696 { 6697 struct sctp_assoc_value *av; 6698 6699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6701 6702 if (stcb) { 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 SCTP_TCB_UNLOCK(stcb); 6706 } else { 6707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6709 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6710 SCTP_INP_WLOCK(inp); 6711 if (av->assoc_value == 0) { 6712 inp->nrsack_supported = 0; 6713 } else { 6714 inp->nrsack_supported = 1; 6715 } 6716 SCTP_INP_WUNLOCK(inp); 6717 } else { 6718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6719 error = EINVAL; 6720 } 6721 } 6722 break; 6723 } 6724 case SCTP_PKTDROP_SUPPORTED: 6725 { 6726 struct sctp_assoc_value *av; 6727 6728 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6729 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6730 6731 if (stcb) { 6732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6733 error = EINVAL; 6734 SCTP_TCB_UNLOCK(stcb); 6735 } else { 6736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6738 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6739 SCTP_INP_WLOCK(inp); 6740 if (av->assoc_value == 0) { 6741 inp->pktdrop_supported = 0; 6742 } else { 6743 inp->pktdrop_supported = 1; 6744 } 6745 SCTP_INP_WUNLOCK(inp); 6746 } else { 6747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6748 error = EINVAL; 6749 } 6750 } 6751 break; 6752 } 6753 case SCTP_MAX_CWND: 6754 { 6755 struct sctp_assoc_value *av; 6756 struct sctp_nets *net; 6757 6758 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6759 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6760 6761 if (stcb) { 6762 stcb->asoc.max_cwnd = av->assoc_value; 6763 if (stcb->asoc.max_cwnd > 0) { 6764 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6765 if ((net->cwnd > stcb->asoc.max_cwnd) && 6766 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6767 net->cwnd = stcb->asoc.max_cwnd; 6768 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6769 net->cwnd = net->mtu - sizeof(struct sctphdr); 6770 } 6771 } 6772 } 6773 } 6774 SCTP_TCB_UNLOCK(stcb); 6775 } else { 6776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6778 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6779 SCTP_INP_WLOCK(inp); 6780 inp->max_cwnd = av->assoc_value; 6781 SCTP_INP_WUNLOCK(inp); 6782 } else { 6783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6784 error = EINVAL; 6785 } 6786 } 6787 break; 6788 } 6789 default: 6790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6791 error = ENOPROTOOPT; 6792 break; 6793 } /* end switch (opt) */ 6794 return (error); 6795 } 6796 6797 int 6798 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6799 { 6800 void *optval = NULL; 6801 size_t optsize = 0; 6802 void *p; 6803 int error = 0; 6804 struct sctp_inpcb *inp; 6805 6806 if ((sopt->sopt_level == SOL_SOCKET) && 6807 (sopt->sopt_name == SO_SETFIB)) { 6808 inp = (struct sctp_inpcb *)so->so_pcb; 6809 if (inp == NULL) { 6810 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6811 return (EINVAL); 6812 } 6813 SCTP_INP_WLOCK(inp); 6814 inp->fibnum = so->so_fibnum; 6815 SCTP_INP_WUNLOCK(inp); 6816 return (0); 6817 } 6818 if (sopt->sopt_level != IPPROTO_SCTP) { 6819 /* wrong proto level... send back up to IP */ 6820 #ifdef INET6 6821 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6822 error = ip6_ctloutput(so, sopt); 6823 #endif /* INET6 */ 6824 #if defined(INET) && defined(INET6) 6825 else 6826 #endif 6827 #ifdef INET 6828 error = ip_ctloutput(so, sopt); 6829 #endif 6830 return (error); 6831 } 6832 optsize = sopt->sopt_valsize; 6833 if (optsize) { 6834 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6835 if (optval == NULL) { 6836 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6837 return (ENOBUFS); 6838 } 6839 error = sooptcopyin(sopt, optval, optsize, optsize); 6840 if (error) { 6841 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6842 goto out; 6843 } 6844 } 6845 p = (void *)sopt->sopt_td; 6846 if (sopt->sopt_dir == SOPT_SET) { 6847 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6848 } else if (sopt->sopt_dir == SOPT_GET) { 6849 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6850 } else { 6851 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6852 error = EINVAL; 6853 } 6854 if ((error == 0) && (optval != NULL)) { 6855 error = sooptcopyout(sopt, optval, optsize); 6856 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6857 } else if (optval != NULL) { 6858 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6859 } 6860 out: 6861 return (error); 6862 } 6863 6864 #ifdef INET 6865 static int 6866 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6867 { 6868 int error = 0; 6869 int create_lock_on = 0; 6870 uint32_t vrf_id; 6871 struct sctp_inpcb *inp; 6872 struct sctp_tcb *stcb = NULL; 6873 6874 inp = (struct sctp_inpcb *)so->so_pcb; 6875 if (inp == NULL) { 6876 /* I made the same as TCP since we are not setup? */ 6877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6878 return (ECONNRESET); 6879 } 6880 if (addr == NULL) { 6881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6882 return EINVAL; 6883 } 6884 switch (addr->sa_family) { 6885 #ifdef INET6 6886 case AF_INET6: 6887 { 6888 struct sockaddr_in6 *sin6p; 6889 6890 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6892 return (EINVAL); 6893 } 6894 sin6p = (struct sockaddr_in6 *)addr; 6895 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_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 #ifdef INET 6903 case AF_INET: 6904 { 6905 struct sockaddr_in *sinp; 6906 6907 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6909 return (EINVAL); 6910 } 6911 sinp = (struct sockaddr_in *)addr; 6912 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6914 return (error); 6915 } 6916 break; 6917 } 6918 #endif 6919 default: 6920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6921 return (EAFNOSUPPORT); 6922 } 6923 SCTP_INP_INCR_REF(inp); 6924 SCTP_ASOC_CREATE_LOCK(inp); 6925 create_lock_on = 1; 6926 6927 6928 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6929 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6930 /* Should I really unlock ? */ 6931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6932 error = EFAULT; 6933 goto out_now; 6934 } 6935 #ifdef INET6 6936 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6937 (addr->sa_family == AF_INET6)) { 6938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6939 error = EINVAL; 6940 goto out_now; 6941 } 6942 #endif 6943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6944 SCTP_PCB_FLAGS_UNBOUND) { 6945 /* Bind a ephemeral port */ 6946 error = sctp_inpcb_bind(so, NULL, NULL, p); 6947 if (error) { 6948 goto out_now; 6949 } 6950 } 6951 /* Now do we connect? */ 6952 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6953 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6955 error = EINVAL; 6956 goto out_now; 6957 } 6958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6959 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6960 /* We are already connected AND the TCP model */ 6961 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6962 error = EADDRINUSE; 6963 goto out_now; 6964 } 6965 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6966 SCTP_INP_RLOCK(inp); 6967 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6968 SCTP_INP_RUNLOCK(inp); 6969 } else { 6970 /* 6971 * We increment here since sctp_findassociation_ep_addr() 6972 * will do a decrement if it finds the stcb as long as the 6973 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6974 */ 6975 SCTP_INP_INCR_REF(inp); 6976 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6977 if (stcb == NULL) { 6978 SCTP_INP_DECR_REF(inp); 6979 } else { 6980 SCTP_TCB_UNLOCK(stcb); 6981 } 6982 } 6983 if (stcb != NULL) { 6984 /* Already have or am bring up an association */ 6985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6986 error = EALREADY; 6987 goto out_now; 6988 } 6989 vrf_id = inp->def_vrf_id; 6990 /* We are GOOD to go */ 6991 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6992 inp->sctp_ep.pre_open_stream_count, 6993 inp->sctp_ep.port, p); 6994 if (stcb == NULL) { 6995 /* Gak! no memory */ 6996 goto out_now; 6997 } 6998 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6999 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7000 /* Set the connected flag so we can queue data */ 7001 soisconnecting(so); 7002 } 7003 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7004 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7005 7006 /* initialize authentication parameters for the assoc */ 7007 sctp_initialize_auth_params(inp, stcb); 7008 7009 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7010 SCTP_TCB_UNLOCK(stcb); 7011 out_now: 7012 if (create_lock_on) { 7013 SCTP_ASOC_CREATE_UNLOCK(inp); 7014 } 7015 SCTP_INP_DECR_REF(inp); 7016 return (error); 7017 } 7018 7019 #endif 7020 7021 int 7022 sctp_listen(struct socket *so, int backlog, struct thread *p) 7023 { 7024 /* 7025 * Note this module depends on the protocol processing being called 7026 * AFTER any socket level flags and backlog are applied to the 7027 * socket. The traditional way that the socket flags are applied is 7028 * AFTER protocol processing. We have made a change to the 7029 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7030 * place if the socket API for SCTP is to work properly. 7031 */ 7032 7033 int error = 0; 7034 struct sctp_inpcb *inp; 7035 7036 inp = (struct sctp_inpcb *)so->so_pcb; 7037 if (inp == NULL) { 7038 /* I made the same as TCP since we are not setup? */ 7039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7040 return (ECONNRESET); 7041 } 7042 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7043 /* See if we have a listener */ 7044 struct sctp_inpcb *tinp; 7045 union sctp_sockstore store; 7046 7047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7048 /* not bound all */ 7049 struct sctp_laddr *laddr; 7050 7051 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7052 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7053 switch (store.sa.sa_family) { 7054 #ifdef INET 7055 case AF_INET: 7056 store.sin.sin_port = inp->sctp_lport; 7057 break; 7058 #endif 7059 #ifdef INET6 7060 case AF_INET6: 7061 store.sin6.sin6_port = inp->sctp_lport; 7062 break; 7063 #endif 7064 default: 7065 break; 7066 } 7067 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7068 if (tinp && (tinp != inp) && 7069 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7070 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7071 (tinp->sctp_socket->so_qlimit)) { 7072 /* 7073 * we have a listener already and 7074 * its not this inp. 7075 */ 7076 SCTP_INP_DECR_REF(tinp); 7077 return (EADDRINUSE); 7078 } else if (tinp) { 7079 SCTP_INP_DECR_REF(tinp); 7080 } 7081 } 7082 } else { 7083 /* Setup a local addr bound all */ 7084 memset(&store, 0, sizeof(store)); 7085 #ifdef INET6 7086 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7087 store.sa.sa_family = AF_INET6; 7088 store.sa.sa_len = sizeof(struct sockaddr_in6); 7089 } 7090 #endif 7091 #ifdef INET 7092 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7093 store.sa.sa_family = AF_INET; 7094 store.sa.sa_len = sizeof(struct sockaddr_in); 7095 } 7096 #endif 7097 switch (store.sa.sa_family) { 7098 #ifdef INET 7099 case AF_INET: 7100 store.sin.sin_port = inp->sctp_lport; 7101 break; 7102 #endif 7103 #ifdef INET6 7104 case AF_INET6: 7105 store.sin6.sin6_port = inp->sctp_lport; 7106 break; 7107 #endif 7108 default: 7109 break; 7110 } 7111 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7112 if (tinp && (tinp != inp) && 7113 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7114 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7115 (tinp->sctp_socket->so_qlimit)) { 7116 /* 7117 * we have a listener already and its not 7118 * this inp. 7119 */ 7120 SCTP_INP_DECR_REF(tinp); 7121 return (EADDRINUSE); 7122 } else if (tinp) { 7123 SCTP_INP_DECR_REF(tinp); 7124 } 7125 } 7126 } 7127 SCTP_INP_RLOCK(inp); 7128 #ifdef SCTP_LOCK_LOGGING 7129 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7130 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7131 } 7132 #endif 7133 SOCK_LOCK(so); 7134 error = solisten_proto_check(so); 7135 SOCK_UNLOCK(so); 7136 if (error) { 7137 SCTP_INP_RUNLOCK(inp); 7138 return (error); 7139 } 7140 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7142 /* 7143 * The unlucky case - We are in the tcp pool with this guy. 7144 * - Someone else is in the main inp slot. - We must move 7145 * this guy (the listener) to the main slot - We must then 7146 * move the guy that was listener to the TCP Pool. 7147 */ 7148 if (sctp_swap_inpcb_for_listen(inp)) { 7149 SCTP_INP_RUNLOCK(inp); 7150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7151 return (EADDRINUSE); 7152 } 7153 } 7154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7155 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7156 /* We are already connected AND the TCP model */ 7157 SCTP_INP_RUNLOCK(inp); 7158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7159 return (EADDRINUSE); 7160 } 7161 SCTP_INP_RUNLOCK(inp); 7162 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7163 /* We must do a bind. */ 7164 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7165 /* bind error, probably perm */ 7166 return (error); 7167 } 7168 } 7169 SOCK_LOCK(so); 7170 /* It appears for 7.0 and on, we must always call this. */ 7171 solisten_proto(so, backlog); 7172 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7173 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7174 so->so_options &= ~SO_ACCEPTCONN; 7175 } 7176 if (backlog == 0) { 7177 /* turning off listen */ 7178 so->so_options &= ~SO_ACCEPTCONN; 7179 } 7180 SOCK_UNLOCK(so); 7181 return (error); 7182 } 7183 7184 static int sctp_defered_wakeup_cnt = 0; 7185 7186 int 7187 sctp_accept(struct socket *so, struct sockaddr **addr) 7188 { 7189 struct sctp_tcb *stcb; 7190 struct sctp_inpcb *inp; 7191 union sctp_sockstore store; 7192 7193 #ifdef INET6 7194 int error; 7195 7196 #endif 7197 inp = (struct sctp_inpcb *)so->so_pcb; 7198 7199 if (inp == NULL) { 7200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7201 return (ECONNRESET); 7202 } 7203 SCTP_INP_RLOCK(inp); 7204 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7205 SCTP_INP_RUNLOCK(inp); 7206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7207 return (EOPNOTSUPP); 7208 } 7209 if (so->so_state & SS_ISDISCONNECTED) { 7210 SCTP_INP_RUNLOCK(inp); 7211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7212 return (ECONNABORTED); 7213 } 7214 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7215 if (stcb == NULL) { 7216 SCTP_INP_RUNLOCK(inp); 7217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7218 return (ECONNRESET); 7219 } 7220 SCTP_TCB_LOCK(stcb); 7221 SCTP_INP_RUNLOCK(inp); 7222 store = stcb->asoc.primary_destination->ro._l_addr; 7223 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7224 SCTP_TCB_UNLOCK(stcb); 7225 switch (store.sa.sa_family) { 7226 #ifdef INET 7227 case AF_INET: 7228 { 7229 struct sockaddr_in *sin; 7230 7231 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7232 if (sin == NULL) 7233 return (ENOMEM); 7234 sin->sin_family = AF_INET; 7235 sin->sin_len = sizeof(*sin); 7236 sin->sin_port = store.sin.sin_port; 7237 sin->sin_addr = store.sin.sin_addr; 7238 *addr = (struct sockaddr *)sin; 7239 break; 7240 } 7241 #endif 7242 #ifdef INET6 7243 case AF_INET6: 7244 { 7245 struct sockaddr_in6 *sin6; 7246 7247 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7248 if (sin6 == NULL) 7249 return (ENOMEM); 7250 sin6->sin6_family = AF_INET6; 7251 sin6->sin6_len = sizeof(*sin6); 7252 sin6->sin6_port = store.sin6.sin6_port; 7253 sin6->sin6_addr = store.sin6.sin6_addr; 7254 if ((error = sa6_recoverscope(sin6)) != 0) { 7255 SCTP_FREE_SONAME(sin6); 7256 return (error); 7257 } 7258 *addr = (struct sockaddr *)sin6; 7259 break; 7260 } 7261 #endif 7262 default: 7263 /* TSNH */ 7264 break; 7265 } 7266 /* Wake any delayed sleep action */ 7267 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7268 SCTP_INP_WLOCK(inp); 7269 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7270 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7271 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7272 SCTP_INP_WUNLOCK(inp); 7273 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7274 if (sowriteable(inp->sctp_socket)) { 7275 sowwakeup_locked(inp->sctp_socket); 7276 } else { 7277 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7278 } 7279 SCTP_INP_WLOCK(inp); 7280 } 7281 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7282 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7283 SCTP_INP_WUNLOCK(inp); 7284 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7285 if (soreadable(inp->sctp_socket)) { 7286 sctp_defered_wakeup_cnt++; 7287 sorwakeup_locked(inp->sctp_socket); 7288 } else { 7289 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7290 } 7291 SCTP_INP_WLOCK(inp); 7292 } 7293 SCTP_INP_WUNLOCK(inp); 7294 } 7295 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7296 SCTP_TCB_LOCK(stcb); 7297 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7298 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7299 } 7300 return (0); 7301 } 7302 7303 #ifdef INET 7304 int 7305 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7306 { 7307 struct sockaddr_in *sin; 7308 uint32_t vrf_id; 7309 struct sctp_inpcb *inp; 7310 struct sctp_ifa *sctp_ifa; 7311 7312 /* 7313 * Do the malloc first in case it blocks. 7314 */ 7315 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7316 if (sin == NULL) 7317 return (ENOMEM); 7318 sin->sin_family = AF_INET; 7319 sin->sin_len = sizeof(*sin); 7320 inp = (struct sctp_inpcb *)so->so_pcb; 7321 if (!inp) { 7322 SCTP_FREE_SONAME(sin); 7323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7324 return (ECONNRESET); 7325 } 7326 SCTP_INP_RLOCK(inp); 7327 sin->sin_port = inp->sctp_lport; 7328 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7329 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7330 struct sctp_tcb *stcb; 7331 struct sockaddr_in *sin_a; 7332 struct sctp_nets *net; 7333 int fnd; 7334 7335 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7336 if (stcb == NULL) { 7337 goto notConn; 7338 } 7339 fnd = 0; 7340 sin_a = NULL; 7341 SCTP_TCB_LOCK(stcb); 7342 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7343 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7344 if (sin_a == NULL) 7345 /* this will make coverity happy */ 7346 continue; 7347 7348 if (sin_a->sin_family == AF_INET) { 7349 fnd = 1; 7350 break; 7351 } 7352 } 7353 if ((!fnd) || (sin_a == NULL)) { 7354 /* punt */ 7355 SCTP_TCB_UNLOCK(stcb); 7356 goto notConn; 7357 } 7358 vrf_id = inp->def_vrf_id; 7359 sctp_ifa = sctp_source_address_selection(inp, 7360 stcb, 7361 (sctp_route_t *) & net->ro, 7362 net, 0, vrf_id); 7363 if (sctp_ifa) { 7364 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7365 sctp_free_ifa(sctp_ifa); 7366 } 7367 SCTP_TCB_UNLOCK(stcb); 7368 } else { 7369 /* For the bound all case you get back 0 */ 7370 notConn: 7371 sin->sin_addr.s_addr = 0; 7372 } 7373 7374 } else { 7375 /* Take the first IPv4 address in the list */ 7376 struct sctp_laddr *laddr; 7377 int fnd = 0; 7378 7379 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7380 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7381 struct sockaddr_in *sin_a; 7382 7383 sin_a = &laddr->ifa->address.sin; 7384 sin->sin_addr = sin_a->sin_addr; 7385 fnd = 1; 7386 break; 7387 } 7388 } 7389 if (!fnd) { 7390 SCTP_FREE_SONAME(sin); 7391 SCTP_INP_RUNLOCK(inp); 7392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7393 return (ENOENT); 7394 } 7395 } 7396 SCTP_INP_RUNLOCK(inp); 7397 (*addr) = (struct sockaddr *)sin; 7398 return (0); 7399 } 7400 7401 int 7402 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7403 { 7404 struct sockaddr_in *sin; 7405 int fnd; 7406 struct sockaddr_in *sin_a; 7407 struct sctp_inpcb *inp; 7408 struct sctp_tcb *stcb; 7409 struct sctp_nets *net; 7410 7411 /* Do the malloc first in case it blocks. */ 7412 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7413 if (sin == NULL) 7414 return (ENOMEM); 7415 sin->sin_family = AF_INET; 7416 sin->sin_len = sizeof(*sin); 7417 7418 inp = (struct sctp_inpcb *)so->so_pcb; 7419 if ((inp == NULL) || 7420 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7421 /* UDP type and listeners will drop out here */ 7422 SCTP_FREE_SONAME(sin); 7423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7424 return (ENOTCONN); 7425 } 7426 SCTP_INP_RLOCK(inp); 7427 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7428 if (stcb) { 7429 SCTP_TCB_LOCK(stcb); 7430 } 7431 SCTP_INP_RUNLOCK(inp); 7432 if (stcb == NULL) { 7433 SCTP_FREE_SONAME(sin); 7434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7435 return (ECONNRESET); 7436 } 7437 fnd = 0; 7438 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7439 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7440 if (sin_a->sin_family == AF_INET) { 7441 fnd = 1; 7442 sin->sin_port = stcb->rport; 7443 sin->sin_addr = sin_a->sin_addr; 7444 break; 7445 } 7446 } 7447 SCTP_TCB_UNLOCK(stcb); 7448 if (!fnd) { 7449 /* No IPv4 address */ 7450 SCTP_FREE_SONAME(sin); 7451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7452 return (ENOENT); 7453 } 7454 (*addr) = (struct sockaddr *)sin; 7455 return (0); 7456 } 7457 7458 struct pr_usrreqs sctp_usrreqs = { 7459 .pru_abort = sctp_abort, 7460 .pru_accept = sctp_accept, 7461 .pru_attach = sctp_attach, 7462 .pru_bind = sctp_bind, 7463 .pru_connect = sctp_connect, 7464 .pru_control = in_control, 7465 .pru_close = sctp_close, 7466 .pru_detach = sctp_close, 7467 .pru_sopoll = sopoll_generic, 7468 .pru_flush = sctp_flush, 7469 .pru_disconnect = sctp_disconnect, 7470 .pru_listen = sctp_listen, 7471 .pru_peeraddr = sctp_peeraddr, 7472 .pru_send = sctp_sendm, 7473 .pru_shutdown = sctp_shutdown, 7474 .pru_sockaddr = sctp_ingetaddr, 7475 .pru_sosend = sctp_sosend, 7476 .pru_soreceive = sctp_soreceive 7477 }; 7478 7479 #endif 7480