1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, 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 /* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 #include <netinet/sctp_os.h> 38 #include <sys/proc.h> 39 #include <netinet/sctp_pcb.h> 40 #include <netinet/sctp_header.h> 41 #include <netinet/sctp_var.h> 42 #if defined(INET6) 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 struct sctp_cc_functions sctp_cc_functions[]; 58 extern struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 void 93 sctp_finish(void) 94 { 95 sctp_pcb_finish(); 96 } 97 98 99 100 void 101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102 { 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 } 129 if (chk->sent != SCTP_DATAGRAM_RESEND) { 130 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131 } 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 chk->rec.data.doing_fast_retransmit = 0; 134 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 135 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 136 chk->whoTo->flight_size, 137 chk->book_size, 138 (uintptr_t) chk->whoTo, 139 chk->rec.data.TSN_seq); 140 } 141 /* Clear any time so NO RTT is being done */ 142 chk->do_rtt = 0; 143 } 144 } 145 } 146 147 #ifdef INET 148 static void 149 sctp_notify_mbuf(struct sctp_inpcb *inp, 150 struct sctp_tcb *stcb, 151 struct sctp_nets *net, 152 struct ip *ip, 153 struct sctphdr *sh) 154 { 155 struct icmp *icmph; 156 int totsz, tmr_stopped = 0; 157 uint16_t nxtsz; 158 159 /* protection */ 160 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 161 (ip == NULL) || (sh == NULL)) { 162 if (stcb != NULL) { 163 SCTP_TCB_UNLOCK(stcb); 164 } 165 return; 166 } 167 /* First job is to verify the vtag matches what I would send */ 168 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 173 sizeof(struct ip))); 174 if (icmph->icmp_type != ICMP_UNREACH) { 175 /* We only care about unreachable */ 176 SCTP_TCB_UNLOCK(stcb); 177 return; 178 } 179 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 180 /* not a unreachable message due to frag. */ 181 SCTP_TCB_UNLOCK(stcb); 182 return; 183 } 184 totsz = ip->ip_len; 185 186 nxtsz = ntohs(icmph->icmp_nextmtu); 187 if (nxtsz == 0) { 188 /* 189 * old type router that does not tell us what the next size 190 * mtu is. Rats we will have to guess (in a educated fashion 191 * of course) 192 */ 193 nxtsz = sctp_get_prev_mtu(totsz); 194 } 195 /* Stop any PMTU timer */ 196 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 197 tmr_stopped = 1; 198 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 199 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 200 } 201 /* Adjust destination size limit */ 202 if (net->mtu > nxtsz) { 203 net->mtu = nxtsz; 204 if (net->port) { 205 net->mtu -= sizeof(struct udphdr); 206 } 207 } 208 /* now what about the ep? */ 209 if (stcb->asoc.smallest_mtu > nxtsz) { 210 sctp_pathmtu_adjustment(stcb, nxtsz); 211 } 212 if (tmr_stopped) 213 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 214 215 SCTP_TCB_UNLOCK(stcb); 216 } 217 218 #endif 219 220 void 221 sctp_notify(struct sctp_inpcb *inp, 222 struct ip *ip, 223 struct sctphdr *sh, 224 struct sockaddr *to, 225 struct sctp_tcb *stcb, 226 struct sctp_nets *net) 227 { 228 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 229 struct socket *so; 230 231 #endif 232 /* protection */ 233 int reason; 234 struct icmp *icmph; 235 236 237 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 238 (sh == NULL) || (to == NULL)) { 239 if (stcb) 240 SCTP_TCB_UNLOCK(stcb); 241 return; 242 } 243 /* First job is to verify the vtag matches what I would send */ 244 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 245 SCTP_TCB_UNLOCK(stcb); 246 return; 247 } 248 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 249 sizeof(struct ip))); 250 if (icmph->icmp_type != ICMP_UNREACH) { 251 /* We only care about unreachable */ 252 SCTP_TCB_UNLOCK(stcb); 253 return; 254 } 255 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 256 (icmph->icmp_code == ICMP_UNREACH_HOST) || 257 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 258 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 259 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 260 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 261 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 262 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 263 264 /* 265 * Hmm reachablity problems we must examine closely. If its 266 * not reachable, we may have lost a network. Or if there is 267 * NO protocol at the other end named SCTP. well we consider 268 * it a OOTB abort. 269 */ 270 if (net->dest_state & SCTP_ADDR_REACHABLE) { 271 /* Ok that destination is NOT reachable */ 272 net->dest_state &= ~SCTP_ADDR_REACHABLE; 273 net->dest_state &= ~SCTP_ADDR_PF; 274 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 275 stcb, SCTP_FAILED_THRESHOLD, 276 (void *)net, SCTP_SO_NOT_LOCKED); 277 } 278 SCTP_TCB_UNLOCK(stcb); 279 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 280 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 281 /* 282 * Here the peer is either playing tricks on us, including 283 * an address that belongs to someone who does not support 284 * SCTP OR was a userland implementation that shutdown and 285 * now is dead. In either case treat it like a OOTB abort 286 * with no TCB 287 */ 288 reason = SCTP_PEER_FAULTY; 289 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 290 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 291 so = SCTP_INP_SO(inp); 292 atomic_add_int(&stcb->asoc.refcnt, 1); 293 SCTP_TCB_UNLOCK(stcb); 294 SCTP_SOCKET_LOCK(so, 1); 295 SCTP_TCB_LOCK(stcb); 296 atomic_subtract_int(&stcb->asoc.refcnt, 1); 297 #endif 298 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 299 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 300 SCTP_SOCKET_UNLOCK(so, 1); 301 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 302 #endif 303 /* no need to unlock here, since the TCB is gone */ 304 } else { 305 SCTP_TCB_UNLOCK(stcb); 306 } 307 } 308 309 #ifdef INET 310 void 311 sctp_ctlinput(cmd, sa, vip) 312 int cmd; 313 struct sockaddr *sa; 314 void *vip; 315 { 316 struct ip *ip = vip; 317 struct sctphdr *sh; 318 uint32_t vrf_id; 319 320 /* FIX, for non-bsd is this right? */ 321 vrf_id = SCTP_DEFAULT_VRFID; 322 if (sa->sa_family != AF_INET || 323 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 324 return; 325 } 326 if (PRC_IS_REDIRECT(cmd)) { 327 ip = 0; 328 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 329 return; 330 } 331 if (ip) { 332 struct sctp_inpcb *inp = NULL; 333 struct sctp_tcb *stcb = NULL; 334 struct sctp_nets *net = NULL; 335 struct sockaddr_in to, from; 336 337 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 338 bzero(&to, sizeof(to)); 339 bzero(&from, sizeof(from)); 340 from.sin_family = to.sin_family = AF_INET; 341 from.sin_len = to.sin_len = sizeof(to); 342 from.sin_port = sh->src_port; 343 from.sin_addr = ip->ip_src; 344 to.sin_port = sh->dest_port; 345 to.sin_addr = ip->ip_dst; 346 347 /* 348 * 'to' holds the dest of the packet that failed to be sent. 349 * 'from' holds our local endpoint address. Thus we reverse 350 * the to and the from in the lookup. 351 */ 352 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 353 (struct sockaddr *)&to, 354 &inp, &net, 1, vrf_id); 355 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 356 if (cmd != PRC_MSGSIZE) { 357 sctp_notify(inp, ip, sh, 358 (struct sockaddr *)&to, stcb, 359 net); 360 } else { 361 /* handle possible ICMP size messages */ 362 sctp_notify_mbuf(inp, stcb, net, ip, sh); 363 } 364 } else { 365 if ((stcb == NULL) && (inp != NULL)) { 366 /* reduce ref-count */ 367 SCTP_INP_WLOCK(inp); 368 SCTP_INP_DECR_REF(inp); 369 SCTP_INP_WUNLOCK(inp); 370 } 371 if (stcb) { 372 SCTP_TCB_UNLOCK(stcb); 373 } 374 } 375 } 376 return; 377 } 378 379 #endif 380 381 static int 382 sctp_getcred(SYSCTL_HANDLER_ARGS) 383 { 384 struct xucred xuc; 385 struct sockaddr_in addrs[2]; 386 struct sctp_inpcb *inp; 387 struct sctp_nets *net; 388 struct sctp_tcb *stcb; 389 int error; 390 uint32_t vrf_id; 391 392 /* FIX, for non-bsd is this right? */ 393 vrf_id = SCTP_DEFAULT_VRFID; 394 395 error = priv_check(req->td, PRIV_NETINET_GETCRED); 396 397 if (error) 398 return (error); 399 400 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 401 if (error) 402 return (error); 403 404 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 405 sintosa(&addrs[1]), 406 &inp, &net, 1, vrf_id); 407 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 408 if ((inp != NULL) && (stcb == NULL)) { 409 /* reduce ref-count */ 410 SCTP_INP_WLOCK(inp); 411 SCTP_INP_DECR_REF(inp); 412 goto cred_can_cont; 413 } 414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 415 error = ENOENT; 416 goto out; 417 } 418 SCTP_TCB_UNLOCK(stcb); 419 /* 420 * We use the write lock here, only since in the error leg we need 421 * it. If we used RLOCK, then we would have to 422 * wlock/decr/unlock/rlock. Which in theory could create a hole. 423 * Better to use higher wlock. 424 */ 425 SCTP_INP_WLOCK(inp); 426 cred_can_cont: 427 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 428 if (error) { 429 SCTP_INP_WUNLOCK(inp); 430 goto out; 431 } 432 cru2x(inp->sctp_socket->so_cred, &xuc); 433 SCTP_INP_WUNLOCK(inp); 434 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 435 out: 436 return (error); 437 } 438 439 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 440 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 441 442 443 #ifdef INET 444 static void 445 sctp_abort(struct socket *so) 446 { 447 struct sctp_inpcb *inp; 448 uint32_t flags; 449 450 inp = (struct sctp_inpcb *)so->so_pcb; 451 if (inp == NULL) { 452 return; 453 } 454 sctp_must_try_again: 455 flags = inp->sctp_flags; 456 #ifdef SCTP_LOG_CLOSING 457 sctp_log_closing(inp, NULL, 17); 458 #endif 459 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 460 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 461 #ifdef SCTP_LOG_CLOSING 462 sctp_log_closing(inp, NULL, 16); 463 #endif 464 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 465 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 466 SOCK_LOCK(so); 467 SCTP_SB_CLEAR(so->so_snd); 468 /* 469 * same for the rcv ones, they are only here for the 470 * accounting/select. 471 */ 472 SCTP_SB_CLEAR(so->so_rcv); 473 474 /* Now null out the reference, we are completely detached. */ 475 so->so_pcb = NULL; 476 SOCK_UNLOCK(so); 477 } else { 478 flags = inp->sctp_flags; 479 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 480 goto sctp_must_try_again; 481 } 482 } 483 return; 484 } 485 486 static int 487 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 488 { 489 struct sctp_inpcb *inp; 490 struct inpcb *ip_inp; 491 int error; 492 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 493 494 #ifdef IPSEC 495 uint32_t flags; 496 497 #endif 498 499 inp = (struct sctp_inpcb *)so->so_pcb; 500 if (inp != 0) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 505 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 506 if (error) { 507 return (error); 508 } 509 } 510 error = sctp_inpcb_alloc(so, vrf_id); 511 if (error) { 512 return (error); 513 } 514 inp = (struct sctp_inpcb *)so->so_pcb; 515 SCTP_INP_WLOCK(inp); 516 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 517 ip_inp = &inp->ip_inp.inp; 518 ip_inp->inp_vflag |= INP_IPV4; 519 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 520 #ifdef IPSEC 521 error = ipsec_init_policy(so, &ip_inp->inp_sp); 522 #ifdef SCTP_LOG_CLOSING 523 sctp_log_closing(inp, NULL, 17); 524 #endif 525 if (error != 0) { 526 try_again: 527 flags = inp->sctp_flags; 528 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 529 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 530 #ifdef SCTP_LOG_CLOSING 531 sctp_log_closing(inp, NULL, 15); 532 #endif 533 SCTP_INP_WUNLOCK(inp); 534 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 535 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 536 } else { 537 flags = inp->sctp_flags; 538 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 539 goto try_again; 540 } else { 541 SCTP_INP_WUNLOCK(inp); 542 } 543 } 544 return (error); 545 } 546 #endif /* IPSEC */ 547 SCTP_INP_WUNLOCK(inp); 548 return (0); 549 } 550 551 static int 552 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 553 { 554 struct sctp_inpcb *inp = NULL; 555 int error; 556 557 #ifdef INET 558 if (addr && addr->sa_family != AF_INET) { 559 /* must be a v4 address! */ 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563 #endif /* INET6 */ 564 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 566 return (EINVAL); 567 } 568 inp = (struct sctp_inpcb *)so->so_pcb; 569 if (inp == NULL) { 570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 571 return (EINVAL); 572 } 573 error = sctp_inpcb_bind(so, addr, NULL, p); 574 return (error); 575 } 576 577 #endif 578 void 579 sctp_close(struct socket *so) 580 { 581 struct sctp_inpcb *inp; 582 uint32_t flags; 583 584 inp = (struct sctp_inpcb *)so->so_pcb; 585 if (inp == NULL) 586 return; 587 588 /* 589 * Inform all the lower layer assoc that we are done. 590 */ 591 sctp_must_try_again: 592 flags = inp->sctp_flags; 593 #ifdef SCTP_LOG_CLOSING 594 sctp_log_closing(inp, NULL, 17); 595 #endif 596 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 597 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 598 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 599 (so->so_rcv.sb_cc > 0)) { 600 #ifdef SCTP_LOG_CLOSING 601 sctp_log_closing(inp, NULL, 13); 602 #endif 603 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 604 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 605 } else { 606 #ifdef SCTP_LOG_CLOSING 607 sctp_log_closing(inp, NULL, 14); 608 #endif 609 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 610 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 611 } 612 /* 613 * The socket is now detached, no matter what the state of 614 * the SCTP association. 615 */ 616 SOCK_LOCK(so); 617 SCTP_SB_CLEAR(so->so_snd); 618 /* 619 * same for the rcv ones, they are only here for the 620 * accounting/select. 621 */ 622 SCTP_SB_CLEAR(so->so_rcv); 623 624 /* Now null out the reference, we are completely detached. */ 625 so->so_pcb = NULL; 626 SOCK_UNLOCK(so); 627 } else { 628 flags = inp->sctp_flags; 629 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 630 goto sctp_must_try_again; 631 } 632 } 633 return; 634 } 635 636 637 int 638 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 639 struct mbuf *control, struct thread *p); 640 641 642 int 643 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 644 struct mbuf *control, struct thread *p) 645 { 646 struct sctp_inpcb *inp; 647 int error; 648 649 inp = (struct sctp_inpcb *)so->so_pcb; 650 if (inp == NULL) { 651 if (control) { 652 sctp_m_freem(control); 653 control = NULL; 654 } 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 656 sctp_m_freem(m); 657 return (EINVAL); 658 } 659 /* Got to have an to address if we are NOT a connected socket */ 660 if ((addr == NULL) && 661 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 662 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 663 goto connected_type; 664 } else if (addr == NULL) { 665 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 666 error = EDESTADDRREQ; 667 sctp_m_freem(m); 668 if (control) { 669 sctp_m_freem(control); 670 control = NULL; 671 } 672 return (error); 673 } 674 #ifdef INET6 675 if (addr->sa_family != AF_INET) { 676 /* must be a v4 address! */ 677 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 678 sctp_m_freem(m); 679 if (control) { 680 sctp_m_freem(control); 681 control = NULL; 682 } 683 error = EDESTADDRREQ; 684 return (error); 685 } 686 #endif /* INET6 */ 687 connected_type: 688 /* now what about control */ 689 if (control) { 690 if (inp->control) { 691 SCTP_PRINTF("huh? control set?\n"); 692 sctp_m_freem(inp->control); 693 inp->control = NULL; 694 } 695 inp->control = control; 696 } 697 /* Place the data */ 698 if (inp->pkt) { 699 SCTP_BUF_NEXT(inp->pkt_last) = m; 700 inp->pkt_last = m; 701 } else { 702 inp->pkt_last = inp->pkt = m; 703 } 704 if ( 705 /* FreeBSD uses a flag passed */ 706 ((flags & PRUS_MORETOCOME) == 0) 707 ) { 708 /* 709 * note with the current version this code will only be used 710 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 711 * re-defining sosend to use the sctp_sosend. One can 712 * optionally switch back to this code (by changing back the 713 * definitions) but this is not advisable. This code is used 714 * by FreeBSD when sending a file with sendfile() though. 715 */ 716 int ret; 717 718 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 719 inp->pkt = NULL; 720 inp->control = NULL; 721 return (ret); 722 } else { 723 return (0); 724 } 725 } 726 727 int 728 sctp_disconnect(struct socket *so) 729 { 730 struct sctp_inpcb *inp; 731 732 inp = (struct sctp_inpcb *)so->so_pcb; 733 if (inp == NULL) { 734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 735 return (ENOTCONN); 736 } 737 SCTP_INP_RLOCK(inp); 738 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 739 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 740 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 741 /* No connection */ 742 SCTP_INP_RUNLOCK(inp); 743 return (0); 744 } else { 745 struct sctp_association *asoc; 746 struct sctp_tcb *stcb; 747 748 stcb = LIST_FIRST(&inp->sctp_asoc_list); 749 if (stcb == NULL) { 750 SCTP_INP_RUNLOCK(inp); 751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 752 return (EINVAL); 753 } 754 SCTP_TCB_LOCK(stcb); 755 asoc = &stcb->asoc; 756 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 757 /* We are about to be freed, out of here */ 758 SCTP_TCB_UNLOCK(stcb); 759 SCTP_INP_RUNLOCK(inp); 760 return (0); 761 } 762 if (((so->so_options & SO_LINGER) && 763 (so->so_linger == 0)) || 764 (so->so_rcv.sb_cc > 0)) { 765 if (SCTP_GET_STATE(asoc) != 766 SCTP_STATE_COOKIE_WAIT) { 767 /* Left with Data unread */ 768 struct mbuf *err; 769 770 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 771 if (err) { 772 /* 773 * Fill in the user 774 * initiated abort 775 */ 776 struct sctp_paramhdr *ph; 777 778 ph = mtod(err, struct sctp_paramhdr *); 779 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 780 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 781 ph->param_length = htons(SCTP_BUF_LEN(err)); 782 } 783 #if defined(SCTP_PANIC_ON_ABORT) 784 panic("disconnect does an abort"); 785 #endif 786 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 787 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 788 } 789 SCTP_INP_RUNLOCK(inp); 790 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 791 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 792 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 793 } 794 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 795 /* No unlock tcb assoc is gone */ 796 return (0); 797 } 798 if (TAILQ_EMPTY(&asoc->send_queue) && 799 TAILQ_EMPTY(&asoc->sent_queue) && 800 (asoc->stream_queue_cnt == 0)) { 801 /* there is nothing queued to send, so done */ 802 if (asoc->locked_on_sending) { 803 goto abort_anyway; 804 } 805 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 806 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 807 /* only send SHUTDOWN 1st time thru */ 808 struct sctp_nets *netp; 809 810 if (stcb->asoc.alternate) { 811 netp = stcb->asoc.alternate; 812 } else { 813 netp = stcb->asoc.primary_destination; 814 } 815 sctp_stop_timers_for_shutdown(stcb); 816 sctp_send_shutdown(stcb, netp); 817 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 818 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 819 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 820 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 821 } 822 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 823 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 824 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 825 stcb->sctp_ep, stcb, netp); 826 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 827 stcb->sctp_ep, stcb, netp); 828 829 } 830 } else { 831 /* 832 * we still got (or just got) data to send, 833 * so set SHUTDOWN_PENDING 834 */ 835 /* 836 * XXX sockets draft says that SCTP_EOF 837 * should be sent with no data. currently, 838 * we will allow user data to be sent first 839 * and move to SHUTDOWN-PENDING 840 */ 841 struct sctp_nets *netp; 842 843 if (stcb->asoc.alternate) { 844 netp = stcb->asoc.alternate; 845 } else { 846 netp = stcb->asoc.primary_destination; 847 } 848 849 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 850 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 851 netp); 852 if (asoc->locked_on_sending) { 853 /* Locked to send out the data */ 854 struct sctp_stream_queue_pending *sp; 855 856 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 857 if (sp == NULL) { 858 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 859 asoc->locked_on_sending->stream_no); 860 } else { 861 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 862 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 863 } 864 } 865 if (TAILQ_EMPTY(&asoc->send_queue) && 866 TAILQ_EMPTY(&asoc->sent_queue) && 867 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 868 struct mbuf *op_err; 869 870 abort_anyway: 871 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 872 0, M_DONTWAIT, 1, MT_DATA); 873 if (op_err) { 874 /* 875 * Fill in the user 876 * initiated abort 877 */ 878 struct sctp_paramhdr *ph; 879 uint32_t *ippp; 880 881 SCTP_BUF_LEN(op_err) = 882 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 883 ph = mtod(op_err, 884 struct sctp_paramhdr *); 885 ph->param_type = htons( 886 SCTP_CAUSE_USER_INITIATED_ABT); 887 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 888 ippp = (uint32_t *) (ph + 1); 889 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 890 } 891 #if defined(SCTP_PANIC_ON_ABORT) 892 panic("disconnect does an abort"); 893 #endif 894 895 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 896 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 897 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 898 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 899 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 900 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 901 } 902 SCTP_INP_RUNLOCK(inp); 903 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 904 return (0); 905 } else { 906 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 907 } 908 } 909 soisdisconnecting(so); 910 SCTP_TCB_UNLOCK(stcb); 911 SCTP_INP_RUNLOCK(inp); 912 return (0); 913 } 914 /* not reached */ 915 } else { 916 /* UDP model does not support this */ 917 SCTP_INP_RUNLOCK(inp); 918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 919 return (EOPNOTSUPP); 920 } 921 } 922 923 int 924 sctp_flush(struct socket *so, int how) 925 { 926 /* 927 * We will just clear out the values and let subsequent close clear 928 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 929 * they will not be able to read the data, the socket will block 930 * that from happening. 931 */ 932 struct sctp_inpcb *inp; 933 934 inp = (struct sctp_inpcb *)so->so_pcb; 935 if (inp == NULL) { 936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 937 return (EINVAL); 938 } 939 SCTP_INP_RLOCK(inp); 940 /* For the 1 to many model this does nothing */ 941 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 942 SCTP_INP_RUNLOCK(inp); 943 return (0); 944 } 945 SCTP_INP_RUNLOCK(inp); 946 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 947 /* 948 * First make sure the sb will be happy, we don't use these 949 * except maybe the count 950 */ 951 SCTP_INP_WLOCK(inp); 952 SCTP_INP_READ_LOCK(inp); 953 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 954 SCTP_INP_READ_UNLOCK(inp); 955 SCTP_INP_WUNLOCK(inp); 956 so->so_rcv.sb_cc = 0; 957 so->so_rcv.sb_mbcnt = 0; 958 so->so_rcv.sb_mb = NULL; 959 } 960 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 961 /* 962 * First make sure the sb will be happy, we don't use these 963 * except maybe the count 964 */ 965 so->so_snd.sb_cc = 0; 966 so->so_snd.sb_mbcnt = 0; 967 so->so_snd.sb_mb = NULL; 968 969 } 970 return (0); 971 } 972 973 int 974 sctp_shutdown(struct socket *so) 975 { 976 struct sctp_inpcb *inp; 977 978 inp = (struct sctp_inpcb *)so->so_pcb; 979 if (inp == NULL) { 980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 981 return (EINVAL); 982 } 983 SCTP_INP_RLOCK(inp); 984 /* For UDP model this is a invalid call */ 985 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 986 /* Restore the flags that the soshutdown took away. */ 987 SOCKBUF_LOCK(&so->so_rcv); 988 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 989 SOCKBUF_UNLOCK(&so->so_rcv); 990 /* This proc will wakeup for read and do nothing (I hope) */ 991 SCTP_INP_RUNLOCK(inp); 992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 993 return (EOPNOTSUPP); 994 } 995 /* 996 * Ok if we reach here its the TCP model and it is either a SHUT_WR 997 * or SHUT_RDWR. This means we put the shutdown flag against it. 998 */ 999 { 1000 struct sctp_tcb *stcb; 1001 struct sctp_association *asoc; 1002 1003 if ((so->so_state & 1004 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1005 SCTP_INP_RUNLOCK(inp); 1006 return (ENOTCONN); 1007 } 1008 socantsendmore(so); 1009 1010 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1011 if (stcb == NULL) { 1012 /* 1013 * Ok we hit the case that the shutdown call was 1014 * made after an abort or something. Nothing to do 1015 * now. 1016 */ 1017 SCTP_INP_RUNLOCK(inp); 1018 return (0); 1019 } 1020 SCTP_TCB_LOCK(stcb); 1021 asoc = &stcb->asoc; 1022 if (TAILQ_EMPTY(&asoc->send_queue) && 1023 TAILQ_EMPTY(&asoc->sent_queue) && 1024 (asoc->stream_queue_cnt == 0)) { 1025 if (asoc->locked_on_sending) { 1026 goto abort_anyway; 1027 } 1028 /* there is nothing queued to send, so I'm done... */ 1029 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1030 /* only send SHUTDOWN the first time through */ 1031 struct sctp_nets *netp; 1032 1033 if (stcb->asoc.alternate) { 1034 netp = stcb->asoc.alternate; 1035 } else { 1036 netp = stcb->asoc.primary_destination; 1037 } 1038 sctp_stop_timers_for_shutdown(stcb); 1039 sctp_send_shutdown(stcb, netp); 1040 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1041 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1042 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1043 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1044 } 1045 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1046 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1047 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1048 stcb->sctp_ep, stcb, netp); 1049 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1050 stcb->sctp_ep, stcb, netp); 1051 } 1052 } else { 1053 /* 1054 * we still got (or just got) data to send, so set 1055 * SHUTDOWN_PENDING 1056 */ 1057 struct sctp_nets *netp; 1058 1059 if (stcb->asoc.alternate) { 1060 netp = stcb->asoc.alternate; 1061 } else { 1062 netp = stcb->asoc.primary_destination; 1063 } 1064 1065 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1066 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1067 netp); 1068 1069 if (asoc->locked_on_sending) { 1070 /* Locked to send out the data */ 1071 struct sctp_stream_queue_pending *sp; 1072 1073 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1074 if (sp == NULL) { 1075 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1076 asoc->locked_on_sending->stream_no); 1077 } else { 1078 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1079 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1080 } 1081 } 1082 } 1083 if (TAILQ_EMPTY(&asoc->send_queue) && 1084 TAILQ_EMPTY(&asoc->sent_queue) && 1085 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1086 struct mbuf *op_err; 1087 1088 abort_anyway: 1089 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1090 0, M_DONTWAIT, 1, MT_DATA); 1091 if (op_err) { 1092 /* Fill in the user initiated abort */ 1093 struct sctp_paramhdr *ph; 1094 uint32_t *ippp; 1095 1096 SCTP_BUF_LEN(op_err) = 1097 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1098 ph = mtod(op_err, 1099 struct sctp_paramhdr *); 1100 ph->param_type = htons( 1101 SCTP_CAUSE_USER_INITIATED_ABT); 1102 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1103 ippp = (uint32_t *) (ph + 1); 1104 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1105 } 1106 #if defined(SCTP_PANIC_ON_ABORT) 1107 panic("shutdown does an abort"); 1108 #endif 1109 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1110 sctp_abort_an_association(stcb->sctp_ep, stcb, 1111 SCTP_RESPONSE_TO_USER_REQ, 1112 op_err, SCTP_SO_LOCKED); 1113 goto skip_unlock; 1114 } else { 1115 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1116 } 1117 } 1118 SCTP_TCB_UNLOCK(stcb); 1119 } 1120 skip_unlock: 1121 SCTP_INP_RUNLOCK(inp); 1122 return (0); 1123 } 1124 1125 /* 1126 * copies a "user" presentable address and removes embedded scope, etc. 1127 * returns 0 on success, 1 on error 1128 */ 1129 static uint32_t 1130 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1131 { 1132 #ifdef INET6 1133 struct sockaddr_in6 lsa6; 1134 1135 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1136 &lsa6); 1137 #endif 1138 memcpy(ss, sa, sa->sa_len); 1139 return (0); 1140 } 1141 1142 1143 1144 /* 1145 * NOTE: assumes addr lock is held 1146 */ 1147 static size_t 1148 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1149 struct sctp_tcb *stcb, 1150 size_t limit, 1151 struct sockaddr_storage *sas, 1152 uint32_t vrf_id) 1153 { 1154 struct sctp_ifn *sctp_ifn; 1155 struct sctp_ifa *sctp_ifa; 1156 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1157 size_t actual; 1158 int ipv4_addr_legal, ipv6_addr_legal; 1159 struct sctp_vrf *vrf; 1160 1161 actual = 0; 1162 if (limit <= 0) 1163 return (actual); 1164 1165 if (stcb) { 1166 /* Turn on all the appropriate scope */ 1167 loopback_scope = stcb->asoc.loopback_scope; 1168 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1169 local_scope = stcb->asoc.local_scope; 1170 site_scope = stcb->asoc.site_scope; 1171 } else { 1172 /* Turn on ALL scope, since we look at the EP */ 1173 loopback_scope = ipv4_local_scope = local_scope = 1174 site_scope = 1; 1175 } 1176 ipv4_addr_legal = ipv6_addr_legal = 0; 1177 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1178 ipv6_addr_legal = 1; 1179 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1180 ipv4_addr_legal = 1; 1181 } 1182 } else { 1183 ipv4_addr_legal = 1; 1184 } 1185 vrf = sctp_find_vrf(vrf_id); 1186 if (vrf == NULL) { 1187 return (0); 1188 } 1189 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1190 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1191 if ((loopback_scope == 0) && 1192 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1193 /* Skip loopback if loopback_scope not set */ 1194 continue; 1195 } 1196 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1197 if (stcb) { 1198 /* 1199 * For the BOUND-ALL case, the list 1200 * associated with a TCB is Always 1201 * considered a reverse list.. i.e. 1202 * it lists addresses that are NOT 1203 * part of the association. If this 1204 * is one of those we must skip it. 1205 */ 1206 if (sctp_is_addr_restricted(stcb, 1207 sctp_ifa)) { 1208 continue; 1209 } 1210 } 1211 switch (sctp_ifa->address.sa.sa_family) { 1212 #ifdef INET 1213 case AF_INET: 1214 if (ipv4_addr_legal) { 1215 struct sockaddr_in *sin; 1216 1217 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1218 if (sin->sin_addr.s_addr == 0) { 1219 /* 1220 * we skip 1221 * unspecifed 1222 * addresses 1223 */ 1224 continue; 1225 } 1226 if ((ipv4_local_scope == 0) && 1227 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1228 continue; 1229 } 1230 #ifdef INET6 1231 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1232 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1233 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1234 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1235 actual += sizeof(struct sockaddr_in6); 1236 } else { 1237 #endif 1238 memcpy(sas, sin, sizeof(*sin)); 1239 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1240 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1241 actual += sizeof(*sin); 1242 #ifdef INET6 1243 } 1244 #endif 1245 if (actual >= limit) { 1246 return (actual); 1247 } 1248 } else { 1249 continue; 1250 } 1251 break; 1252 #endif 1253 #ifdef INET6 1254 case AF_INET6: 1255 if (ipv6_addr_legal) { 1256 struct sockaddr_in6 *sin6; 1257 1258 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1259 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1260 /* 1261 * we skip 1262 * unspecifed 1263 * addresses 1264 */ 1265 continue; 1266 } 1267 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1268 if (local_scope == 0) 1269 continue; 1270 if (sin6->sin6_scope_id == 0) { 1271 if (sa6_recoverscope(sin6) != 0) 1272 /* 1273 * 1274 * bad 1275 * 1276 * li 1277 * nk 1278 * 1279 * loc 1280 * al 1281 * 1282 * add 1283 * re 1284 * ss 1285 * */ 1286 continue; 1287 } 1288 } 1289 if ((site_scope == 0) && 1290 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1291 continue; 1292 } 1293 memcpy(sas, sin6, sizeof(*sin6)); 1294 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1295 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1296 actual += sizeof(*sin6); 1297 if (actual >= limit) { 1298 return (actual); 1299 } 1300 } else { 1301 continue; 1302 } 1303 break; 1304 #endif 1305 default: 1306 /* TSNH */ 1307 break; 1308 } 1309 } 1310 } 1311 } else { 1312 struct sctp_laddr *laddr; 1313 1314 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1315 if (stcb) { 1316 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1317 continue; 1318 } 1319 } 1320 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1321 continue; 1322 1323 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1324 sas = (struct sockaddr_storage *)((caddr_t)sas + 1325 laddr->ifa->address.sa.sa_len); 1326 actual += laddr->ifa->address.sa.sa_len; 1327 if (actual >= limit) { 1328 return (actual); 1329 } 1330 } 1331 } 1332 return (actual); 1333 } 1334 1335 static size_t 1336 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1337 struct sctp_tcb *stcb, 1338 size_t limit, 1339 struct sockaddr_storage *sas) 1340 { 1341 size_t size = 0; 1342 1343 SCTP_IPI_ADDR_RLOCK(); 1344 /* fill up addresses for the endpoint's default vrf */ 1345 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1346 inp->def_vrf_id); 1347 SCTP_IPI_ADDR_RUNLOCK(); 1348 return (size); 1349 } 1350 1351 /* 1352 * NOTE: assumes addr lock is held 1353 */ 1354 static int 1355 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1356 { 1357 int cnt = 0; 1358 struct sctp_vrf *vrf = NULL; 1359 1360 /* 1361 * In both sub-set bound an bound_all cases we return the MAXIMUM 1362 * number of addresses that you COULD get. In reality the sub-set 1363 * bound may have an exclusion list for a given TCB OR in the 1364 * bound-all case a TCB may NOT include the loopback or other 1365 * addresses as well. 1366 */ 1367 vrf = sctp_find_vrf(vrf_id); 1368 if (vrf == NULL) { 1369 return (0); 1370 } 1371 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1372 struct sctp_ifn *sctp_ifn; 1373 struct sctp_ifa *sctp_ifa; 1374 1375 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1376 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1377 /* Count them if they are the right type */ 1378 switch (sctp_ifa->address.sa.sa_family) { 1379 #ifdef INET 1380 case AF_INET: 1381 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1382 cnt += sizeof(struct sockaddr_in6); 1383 else 1384 cnt += sizeof(struct sockaddr_in); 1385 break; 1386 #endif 1387 #ifdef INET6 1388 case AF_INET6: 1389 cnt += sizeof(struct sockaddr_in6); 1390 break; 1391 #endif 1392 default: 1393 break; 1394 } 1395 } 1396 } 1397 } else { 1398 struct sctp_laddr *laddr; 1399 1400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1401 switch (laddr->ifa->address.sa.sa_family) { 1402 #ifdef INET 1403 case AF_INET: 1404 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1405 cnt += sizeof(struct sockaddr_in6); 1406 else 1407 cnt += sizeof(struct sockaddr_in); 1408 break; 1409 #endif 1410 #ifdef INET6 1411 case AF_INET6: 1412 cnt += sizeof(struct sockaddr_in6); 1413 break; 1414 #endif 1415 default: 1416 break; 1417 } 1418 } 1419 } 1420 return (cnt); 1421 } 1422 1423 static int 1424 sctp_count_max_addresses(struct sctp_inpcb *inp) 1425 { 1426 int cnt = 0; 1427 1428 SCTP_IPI_ADDR_RLOCK(); 1429 /* count addresses for the endpoint's default VRF */ 1430 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1431 SCTP_IPI_ADDR_RUNLOCK(); 1432 return (cnt); 1433 } 1434 1435 static int 1436 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1437 size_t optsize, void *p, int delay) 1438 { 1439 int error = 0; 1440 int creat_lock_on = 0; 1441 struct sctp_tcb *stcb = NULL; 1442 struct sockaddr *sa; 1443 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1444 uint32_t vrf_id; 1445 int bad_addresses = 0; 1446 sctp_assoc_t *a_id; 1447 1448 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1449 1450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1451 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1452 /* We are already connected AND the TCP model */ 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1454 return (EADDRINUSE); 1455 } 1456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1457 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1459 return (EINVAL); 1460 } 1461 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1462 SCTP_INP_RLOCK(inp); 1463 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1464 SCTP_INP_RUNLOCK(inp); 1465 } 1466 if (stcb) { 1467 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1468 return (EALREADY); 1469 } 1470 SCTP_INP_INCR_REF(inp); 1471 SCTP_ASOC_CREATE_LOCK(inp); 1472 creat_lock_on = 1; 1473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1474 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1475 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1476 error = EFAULT; 1477 goto out_now; 1478 } 1479 totaddrp = (int *)optval; 1480 totaddr = *totaddrp; 1481 sa = (struct sockaddr *)(totaddrp + 1); 1482 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1483 if ((stcb != NULL) || bad_addresses) { 1484 /* Already have or am bring up an association */ 1485 SCTP_ASOC_CREATE_UNLOCK(inp); 1486 creat_lock_on = 0; 1487 if (stcb) 1488 SCTP_TCB_UNLOCK(stcb); 1489 if (bad_addresses == 0) { 1490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1491 error = EALREADY; 1492 } 1493 goto out_now; 1494 } 1495 #ifdef INET6 1496 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1497 (num_v6 > 0)) { 1498 error = EINVAL; 1499 goto out_now; 1500 } 1501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1502 (num_v4 > 0)) { 1503 struct in6pcb *inp6; 1504 1505 inp6 = (struct in6pcb *)inp; 1506 if (SCTP_IPV6_V6ONLY(inp6)) { 1507 /* 1508 * if IPV6_V6ONLY flag, ignore connections destined 1509 * to a v4 addr or v4-mapped addr 1510 */ 1511 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1512 error = EINVAL; 1513 goto out_now; 1514 } 1515 } 1516 #endif /* INET6 */ 1517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1518 SCTP_PCB_FLAGS_UNBOUND) { 1519 /* Bind a ephemeral port */ 1520 error = sctp_inpcb_bind(so, NULL, NULL, p); 1521 if (error) { 1522 goto out_now; 1523 } 1524 } 1525 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1526 vrf_id = inp->def_vrf_id; 1527 1528 1529 /* We are GOOD to go */ 1530 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1531 (struct thread *)p 1532 ); 1533 if (stcb == NULL) { 1534 /* Gak! no memory */ 1535 goto out_now; 1536 } 1537 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1538 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1539 /* Set the connected flag so we can queue data */ 1540 soisconnecting(so); 1541 } 1542 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1543 /* move to second address */ 1544 switch (sa->sa_family) { 1545 #ifdef INET 1546 case AF_INET: 1547 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1548 break; 1549 #endif 1550 #ifdef INET6 1551 case AF_INET6: 1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1553 break; 1554 #endif 1555 default: 1556 break; 1557 } 1558 1559 error = 0; 1560 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1561 /* Fill in the return id */ 1562 if (error) { 1563 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1564 goto out_now; 1565 } 1566 a_id = (sctp_assoc_t *) optval; 1567 *a_id = sctp_get_associd(stcb); 1568 1569 /* initialize authentication parameters for the assoc */ 1570 sctp_initialize_auth_params(inp, stcb); 1571 1572 if (delay) { 1573 /* doing delayed connection */ 1574 stcb->asoc.delayed_connection = 1; 1575 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1576 } else { 1577 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1578 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1579 } 1580 SCTP_TCB_UNLOCK(stcb); 1581 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1582 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1583 /* Set the connected flag so we can queue data */ 1584 soisconnecting(so); 1585 } 1586 out_now: 1587 if (creat_lock_on) { 1588 SCTP_ASOC_CREATE_UNLOCK(inp); 1589 } 1590 SCTP_INP_DECR_REF(inp); 1591 return (error); 1592 } 1593 1594 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1596 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1597 SCTP_INP_RLOCK(inp); \ 1598 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1599 if (stcb) { \ 1600 SCTP_TCB_LOCK(stcb); \ 1601 } \ 1602 SCTP_INP_RUNLOCK(inp); \ 1603 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1604 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1605 if (stcb == NULL) { \ 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1607 error = ENOENT; \ 1608 break; \ 1609 } \ 1610 } else { \ 1611 stcb = NULL; \ 1612 } \ 1613 } 1614 1615 1616 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1617 if (size < sizeof(type)) { \ 1618 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1619 error = EINVAL; \ 1620 break; \ 1621 } else { \ 1622 destp = (type *)srcp; \ 1623 } \ 1624 } 1625 1626 static int 1627 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1628 void *p) 1629 { 1630 struct sctp_inpcb *inp = NULL; 1631 int error, val = 0; 1632 struct sctp_tcb *stcb = NULL; 1633 1634 if (optval == NULL) { 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1636 return (EINVAL); 1637 } 1638 inp = (struct sctp_inpcb *)so->so_pcb; 1639 if (inp == NULL) { 1640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1641 return EINVAL; 1642 } 1643 error = 0; 1644 1645 switch (optname) { 1646 case SCTP_NODELAY: 1647 case SCTP_AUTOCLOSE: 1648 case SCTP_EXPLICIT_EOR: 1649 case SCTP_AUTO_ASCONF: 1650 case SCTP_DISABLE_FRAGMENTS: 1651 case SCTP_I_WANT_MAPPED_V4_ADDR: 1652 case SCTP_USE_EXT_RCVINFO: 1653 SCTP_INP_RLOCK(inp); 1654 switch (optname) { 1655 case SCTP_DISABLE_FRAGMENTS: 1656 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1657 break; 1658 case SCTP_I_WANT_MAPPED_V4_ADDR: 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1660 break; 1661 case SCTP_AUTO_ASCONF: 1662 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1663 /* only valid for bound all sockets */ 1664 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1665 } else { 1666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1667 error = EINVAL; 1668 goto flags_out; 1669 } 1670 break; 1671 case SCTP_EXPLICIT_EOR: 1672 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1673 break; 1674 case SCTP_NODELAY: 1675 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1676 break; 1677 case SCTP_USE_EXT_RCVINFO: 1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1679 break; 1680 case SCTP_AUTOCLOSE: 1681 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1682 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1683 else 1684 val = 0; 1685 break; 1686 1687 default: 1688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1689 error = ENOPROTOOPT; 1690 } /* end switch (sopt->sopt_name) */ 1691 if (*optsize < sizeof(val)) { 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1693 error = EINVAL; 1694 } 1695 flags_out: 1696 SCTP_INP_RUNLOCK(inp); 1697 if (error == 0) { 1698 /* return the option value */ 1699 *(int *)optval = val; 1700 *optsize = sizeof(val); 1701 } 1702 break; 1703 case SCTP_GET_PACKET_LOG: 1704 { 1705 #ifdef SCTP_PACKET_LOGGING 1706 uint8_t *target; 1707 int ret; 1708 1709 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1710 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1711 *optsize = ret; 1712 #else 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1714 error = EOPNOTSUPP; 1715 #endif 1716 break; 1717 } 1718 case SCTP_REUSE_PORT: 1719 { 1720 uint32_t *value; 1721 1722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1723 /* Can't do this for a 1-m socket */ 1724 error = EINVAL; 1725 break; 1726 } 1727 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1728 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1729 *optsize = sizeof(uint32_t); 1730 break; 1731 } 1732 case SCTP_PARTIAL_DELIVERY_POINT: 1733 { 1734 uint32_t *value; 1735 1736 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1737 *value = inp->partial_delivery_point; 1738 *optsize = sizeof(uint32_t); 1739 break; 1740 } 1741 case SCTP_FRAGMENT_INTERLEAVE: 1742 { 1743 uint32_t *value; 1744 1745 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1746 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1747 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1748 *value = SCTP_FRAG_LEVEL_2; 1749 } else { 1750 *value = SCTP_FRAG_LEVEL_1; 1751 } 1752 } else { 1753 *value = SCTP_FRAG_LEVEL_0; 1754 } 1755 *optsize = sizeof(uint32_t); 1756 break; 1757 } 1758 case SCTP_CMT_ON_OFF: 1759 { 1760 struct sctp_assoc_value *av; 1761 1762 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1763 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1764 if (stcb) { 1765 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1766 SCTP_TCB_UNLOCK(stcb); 1767 } else { 1768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1770 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1771 SCTP_INP_RLOCK(inp); 1772 av->assoc_value = inp->sctp_cmt_on_off; 1773 SCTP_INP_RUNLOCK(inp); 1774 } else { 1775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1776 error = EINVAL; 1777 } 1778 } 1779 if (error == 0) { 1780 *optsize = sizeof(struct sctp_assoc_value); 1781 } 1782 break; 1783 } 1784 case SCTP_PLUGGABLE_CC: 1785 { 1786 struct sctp_assoc_value *av; 1787 1788 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1789 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1790 if (stcb) { 1791 av->assoc_value = stcb->asoc.congestion_control_module; 1792 SCTP_TCB_UNLOCK(stcb); 1793 } else { 1794 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1795 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1796 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1797 SCTP_INP_RLOCK(inp); 1798 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1799 SCTP_INP_RUNLOCK(inp); 1800 } else { 1801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1802 error = EINVAL; 1803 } 1804 } 1805 if (error == 0) { 1806 *optsize = sizeof(struct sctp_assoc_value); 1807 } 1808 break; 1809 } 1810 case SCTP_CC_OPTION: 1811 { 1812 struct sctp_cc_option *cc_opt; 1813 1814 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1815 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1816 if (stcb == NULL) { 1817 error = EINVAL; 1818 } else { 1819 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1820 error = ENOTSUP; 1821 } else { 1822 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1823 *optsize = sizeof(struct sctp_cc_option); 1824 } 1825 SCTP_TCB_UNLOCK(stcb); 1826 } 1827 break; 1828 } 1829 case SCTP_PLUGGABLE_SS: 1830 { 1831 struct sctp_assoc_value *av; 1832 1833 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1834 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1835 if (stcb) { 1836 av->assoc_value = stcb->asoc.stream_scheduling_module; 1837 SCTP_TCB_UNLOCK(stcb); 1838 } else { 1839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1840 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1841 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1842 SCTP_INP_RLOCK(inp); 1843 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1844 SCTP_INP_RUNLOCK(inp); 1845 } else { 1846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1847 error = EINVAL; 1848 } 1849 } 1850 if (error == 0) { 1851 *optsize = sizeof(struct sctp_assoc_value); 1852 } 1853 break; 1854 } 1855 case SCTP_SS_VALUE: 1856 { 1857 struct sctp_stream_value *av; 1858 1859 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1860 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1861 if (stcb) { 1862 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1863 &av->stream_value) < 0) { 1864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1865 error = EINVAL; 1866 } else { 1867 *optsize = sizeof(struct sctp_stream_value); 1868 } 1869 SCTP_TCB_UNLOCK(stcb); 1870 } else { 1871 /* 1872 * Can't get stream value without 1873 * association 1874 */ 1875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1876 error = EINVAL; 1877 } 1878 break; 1879 } 1880 case SCTP_GET_ADDR_LEN: 1881 { 1882 struct sctp_assoc_value *av; 1883 1884 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1885 error = EINVAL; 1886 #ifdef INET 1887 if (av->assoc_value == AF_INET) { 1888 av->assoc_value = sizeof(struct sockaddr_in); 1889 error = 0; 1890 } 1891 #endif 1892 #ifdef INET6 1893 if (av->assoc_value == AF_INET6) { 1894 av->assoc_value = sizeof(struct sockaddr_in6); 1895 error = 0; 1896 } 1897 #endif 1898 if (error) { 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1900 } else { 1901 *optsize = sizeof(struct sctp_assoc_value); 1902 } 1903 break; 1904 } 1905 case SCTP_GET_ASSOC_NUMBER: 1906 { 1907 uint32_t *value, cnt; 1908 1909 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1910 cnt = 0; 1911 SCTP_INP_RLOCK(inp); 1912 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1913 cnt++; 1914 } 1915 SCTP_INP_RUNLOCK(inp); 1916 *value = cnt; 1917 *optsize = sizeof(uint32_t); 1918 break; 1919 } 1920 case SCTP_GET_ASSOC_ID_LIST: 1921 { 1922 struct sctp_assoc_ids *ids; 1923 unsigned int at, limit; 1924 1925 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1926 at = 0; 1927 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1928 SCTP_INP_RLOCK(inp); 1929 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1930 if (at < limit) { 1931 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1932 } else { 1933 error = EINVAL; 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1935 break; 1936 } 1937 } 1938 SCTP_INP_RUNLOCK(inp); 1939 if (error == 0) { 1940 ids->gaids_number_of_ids = at; 1941 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1942 } 1943 break; 1944 } 1945 case SCTP_CONTEXT: 1946 { 1947 struct sctp_assoc_value *av; 1948 1949 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1950 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1951 1952 if (stcb) { 1953 av->assoc_value = stcb->asoc.context; 1954 SCTP_TCB_UNLOCK(stcb); 1955 } else { 1956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1957 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1958 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1959 SCTP_INP_RLOCK(inp); 1960 av->assoc_value = inp->sctp_context; 1961 SCTP_INP_RUNLOCK(inp); 1962 } else { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1964 error = EINVAL; 1965 } 1966 } 1967 if (error == 0) { 1968 *optsize = sizeof(struct sctp_assoc_value); 1969 } 1970 break; 1971 } 1972 case SCTP_VRF_ID: 1973 { 1974 uint32_t *default_vrfid; 1975 1976 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1977 *default_vrfid = inp->def_vrf_id; 1978 *optsize = sizeof(uint32_t); 1979 break; 1980 } 1981 case SCTP_GET_ASOC_VRF: 1982 { 1983 struct sctp_assoc_value *id; 1984 1985 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1986 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1987 if (stcb == NULL) { 1988 error = EINVAL; 1989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1990 } else { 1991 id->assoc_value = stcb->asoc.vrf_id; 1992 *optsize = sizeof(struct sctp_assoc_value); 1993 } 1994 break; 1995 } 1996 case SCTP_GET_VRF_IDS: 1997 { 1998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1999 error = EOPNOTSUPP; 2000 break; 2001 } 2002 case SCTP_GET_NONCE_VALUES: 2003 { 2004 struct sctp_get_nonce_values *gnv; 2005 2006 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2007 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2008 2009 if (stcb) { 2010 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2011 gnv->gn_local_tag = stcb->asoc.my_vtag; 2012 SCTP_TCB_UNLOCK(stcb); 2013 *optsize = sizeof(struct sctp_get_nonce_values); 2014 } else { 2015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2016 error = ENOTCONN; 2017 } 2018 break; 2019 } 2020 case SCTP_DELAYED_SACK: 2021 { 2022 struct sctp_sack_info *sack; 2023 2024 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2025 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2026 if (stcb) { 2027 sack->sack_delay = stcb->asoc.delayed_ack; 2028 sack->sack_freq = stcb->asoc.sack_freq; 2029 SCTP_TCB_UNLOCK(stcb); 2030 } else { 2031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2033 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2034 SCTP_INP_RLOCK(inp); 2035 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2036 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2037 SCTP_INP_RUNLOCK(inp); 2038 } else { 2039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2040 error = EINVAL; 2041 } 2042 } 2043 if (error == 0) { 2044 *optsize = sizeof(struct sctp_sack_info); 2045 } 2046 break; 2047 } 2048 case SCTP_GET_SNDBUF_USE: 2049 { 2050 struct sctp_sockstat *ss; 2051 2052 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2053 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2054 2055 if (stcb) { 2056 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2057 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2058 stcb->asoc.size_on_all_streams); 2059 SCTP_TCB_UNLOCK(stcb); 2060 *optsize = sizeof(struct sctp_sockstat); 2061 } else { 2062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2063 error = ENOTCONN; 2064 } 2065 break; 2066 } 2067 case SCTP_MAX_BURST: 2068 { 2069 struct sctp_assoc_value *av; 2070 2071 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2073 2074 if (stcb) { 2075 av->assoc_value = stcb->asoc.max_burst; 2076 SCTP_TCB_UNLOCK(stcb); 2077 } else { 2078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2080 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2081 SCTP_INP_RLOCK(inp); 2082 av->assoc_value = inp->sctp_ep.max_burst; 2083 SCTP_INP_RUNLOCK(inp); 2084 } else { 2085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2086 error = EINVAL; 2087 } 2088 } 2089 if (error == 0) { 2090 *optsize = sizeof(struct sctp_assoc_value); 2091 } 2092 break; 2093 } 2094 case SCTP_MAXSEG: 2095 { 2096 struct sctp_assoc_value *av; 2097 int ovh; 2098 2099 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2100 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2101 2102 if (stcb) { 2103 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2104 SCTP_TCB_UNLOCK(stcb); 2105 } else { 2106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2108 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2109 SCTP_INP_RLOCK(inp); 2110 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2111 ovh = SCTP_MED_OVERHEAD; 2112 } else { 2113 ovh = SCTP_MED_V4_OVERHEAD; 2114 } 2115 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2116 av->assoc_value = 0; 2117 else 2118 av->assoc_value = inp->sctp_frag_point - ovh; 2119 SCTP_INP_RUNLOCK(inp); 2120 } else { 2121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2122 error = EINVAL; 2123 } 2124 } 2125 if (error == 0) { 2126 *optsize = sizeof(struct sctp_assoc_value); 2127 } 2128 break; 2129 } 2130 case SCTP_GET_STAT_LOG: 2131 error = sctp_fill_stat_log(optval, optsize); 2132 break; 2133 case SCTP_EVENTS: 2134 { 2135 struct sctp_event_subscribe *events; 2136 2137 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2138 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2139 SCTP_INP_RLOCK(inp); 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2141 events->sctp_data_io_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2144 events->sctp_association_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2147 events->sctp_address_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2150 events->sctp_send_failure_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2153 events->sctp_peer_error_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2156 events->sctp_shutdown_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2159 events->sctp_partial_delivery_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2162 events->sctp_adaptation_layer_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2165 events->sctp_authentication_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2168 events->sctp_sender_dry_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2171 events->sctp_stream_reset_event = 1; 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(struct sctp_event_subscribe); 2174 break; 2175 } 2176 case SCTP_ADAPTATION_LAYER: 2177 { 2178 uint32_t *value; 2179 2180 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2181 2182 SCTP_INP_RLOCK(inp); 2183 *value = inp->sctp_ep.adaptation_layer_indicator; 2184 SCTP_INP_RUNLOCK(inp); 2185 *optsize = sizeof(uint32_t); 2186 break; 2187 } 2188 case SCTP_SET_INITIAL_DBG_SEQ: 2189 { 2190 uint32_t *value; 2191 2192 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2193 SCTP_INP_RLOCK(inp); 2194 *value = inp->sctp_ep.initial_sequence_debug; 2195 SCTP_INP_RUNLOCK(inp); 2196 *optsize = sizeof(uint32_t); 2197 break; 2198 } 2199 case SCTP_GET_LOCAL_ADDR_SIZE: 2200 { 2201 uint32_t *value; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 SCTP_INP_RLOCK(inp); 2205 *value = sctp_count_max_addresses(inp); 2206 SCTP_INP_RUNLOCK(inp); 2207 *optsize = sizeof(uint32_t); 2208 break; 2209 } 2210 case SCTP_GET_REMOTE_ADDR_SIZE: 2211 { 2212 uint32_t *value; 2213 size_t size; 2214 struct sctp_nets *net; 2215 2216 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2217 /* FIXME MT: change to sctp_assoc_value? */ 2218 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2219 2220 if (stcb) { 2221 size = 0; 2222 /* Count the sizes */ 2223 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2224 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2225 size += sizeof(struct sockaddr_in6); 2226 } else { 2227 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2228 #ifdef INET 2229 case AF_INET: 2230 size += sizeof(struct sockaddr_in); 2231 break; 2232 #endif 2233 #ifdef INET6 2234 case AF_INET6: 2235 size += sizeof(struct sockaddr_in6); 2236 break; 2237 #endif 2238 default: 2239 break; 2240 } 2241 } 2242 } 2243 SCTP_TCB_UNLOCK(stcb); 2244 *value = (uint32_t) size; 2245 *optsize = sizeof(uint32_t); 2246 } else { 2247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2248 error = ENOTCONN; 2249 } 2250 break; 2251 } 2252 case SCTP_GET_PEER_ADDRESSES: 2253 /* 2254 * Get the address information, an array is passed in to 2255 * fill up we pack it. 2256 */ 2257 { 2258 size_t cpsz, left; 2259 struct sockaddr_storage *sas; 2260 struct sctp_nets *net; 2261 struct sctp_getaddresses *saddr; 2262 2263 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2264 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2265 2266 if (stcb) { 2267 left = (*optsize) - sizeof(struct sctp_getaddresses); 2268 *optsize = sizeof(struct sctp_getaddresses); 2269 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2270 2271 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2272 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2273 cpsz = sizeof(struct sockaddr_in6); 2274 } else { 2275 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2276 #ifdef INET 2277 case AF_INET: 2278 cpsz = sizeof(struct sockaddr_in); 2279 break; 2280 #endif 2281 #ifdef INET6 2282 case AF_INET6: 2283 cpsz = sizeof(struct sockaddr_in6); 2284 break; 2285 #endif 2286 default: 2287 cpsz = 0; 2288 break; 2289 } 2290 } 2291 if (cpsz == 0) { 2292 break; 2293 } 2294 if (left < cpsz) { 2295 /* not enough room. */ 2296 break; 2297 } 2298 #if defined(INET) && defined(INET6) 2299 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2300 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2301 /* Must map the address */ 2302 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2303 (struct sockaddr_in6 *)sas); 2304 } else { 2305 #endif 2306 memcpy(sas, &net->ro._l_addr, cpsz); 2307 #if defined(INET) && defined(INET6) 2308 } 2309 #endif 2310 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2311 2312 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2313 left -= cpsz; 2314 *optsize += cpsz; 2315 } 2316 SCTP_TCB_UNLOCK(stcb); 2317 } else { 2318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2319 error = ENOENT; 2320 } 2321 break; 2322 } 2323 case SCTP_GET_LOCAL_ADDRESSES: 2324 { 2325 size_t limit, actual; 2326 struct sockaddr_storage *sas; 2327 struct sctp_getaddresses *saddr; 2328 2329 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2330 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2331 2332 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2333 limit = *optsize - sizeof(sctp_assoc_t); 2334 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2335 if (stcb) { 2336 SCTP_TCB_UNLOCK(stcb); 2337 } 2338 *optsize = sizeof(struct sockaddr_storage) + actual; 2339 break; 2340 } 2341 case SCTP_PEER_ADDR_PARAMS: 2342 { 2343 struct sctp_paddrparams *paddrp; 2344 struct sctp_nets *net; 2345 2346 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2347 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2348 2349 net = NULL; 2350 if (stcb) { 2351 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2352 } else { 2353 /* 2354 * We increment here since 2355 * sctp_findassociation_ep_addr() wil do a 2356 * decrement if it finds the stcb as long as 2357 * the locked tcb (last argument) is NOT a 2358 * TCB.. aka NULL. 2359 */ 2360 SCTP_INP_INCR_REF(inp); 2361 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2362 if (stcb == NULL) { 2363 SCTP_INP_DECR_REF(inp); 2364 } 2365 } 2366 if (stcb && (net == NULL)) { 2367 struct sockaddr *sa; 2368 2369 sa = (struct sockaddr *)&paddrp->spp_address; 2370 #ifdef INET 2371 if (sa->sa_family == AF_INET) { 2372 struct sockaddr_in *sin; 2373 2374 sin = (struct sockaddr_in *)sa; 2375 if (sin->sin_addr.s_addr) { 2376 error = EINVAL; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } else 2382 #endif 2383 #ifdef INET6 2384 if (sa->sa_family == AF_INET6) { 2385 struct sockaddr_in6 *sin6; 2386 2387 sin6 = (struct sockaddr_in6 *)sa; 2388 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2389 error = EINVAL; 2390 SCTP_TCB_UNLOCK(stcb); 2391 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2392 break; 2393 } 2394 } else 2395 #endif 2396 { 2397 error = EAFNOSUPPORT; 2398 SCTP_TCB_UNLOCK(stcb); 2399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2400 break; 2401 } 2402 } 2403 if (stcb) { 2404 /* Applies to the specific association */ 2405 paddrp->spp_flags = 0; 2406 if (net) { 2407 int ovh; 2408 2409 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2410 ovh = SCTP_MED_OVERHEAD; 2411 } else { 2412 ovh = SCTP_MED_V4_OVERHEAD; 2413 } 2414 2415 paddrp->spp_hbinterval = net->heart_beat_delay; 2416 paddrp->spp_pathmaxrxt = net->failure_threshold; 2417 paddrp->spp_pathmtu = net->mtu - ovh; 2418 /* get flags for HB */ 2419 if (net->dest_state & SCTP_ADDR_NOHB) { 2420 paddrp->spp_flags |= SPP_HB_DISABLE; 2421 } else { 2422 paddrp->spp_flags |= SPP_HB_ENABLE; 2423 } 2424 /* get flags for PMTU */ 2425 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2426 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2427 } else { 2428 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2429 } 2430 if (net->dscp & 0x01) { 2431 paddrp->spp_dscp = net->dscp & 0xfc; 2432 paddrp->spp_flags |= SPP_DSCP; 2433 } 2434 #ifdef INET6 2435 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2436 (net->flowlabel & 0x80000000)) { 2437 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2438 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2439 } 2440 #endif 2441 } else { 2442 /* 2443 * No destination so return default 2444 * value 2445 */ 2446 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2447 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2448 if (stcb->asoc.default_dscp & 0x01) { 2449 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2450 paddrp->spp_flags |= SPP_DSCP; 2451 } 2452 #ifdef INET6 2453 if (stcb->asoc.default_flowlabel & 0x80000000) { 2454 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2455 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2456 } 2457 #endif 2458 /* default settings should be these */ 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2460 paddrp->spp_flags |= SPP_HB_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_HB_ENABLE; 2463 } 2464 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2465 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2466 } else { 2467 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2468 } 2469 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2470 } 2471 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2472 SCTP_TCB_UNLOCK(stcb); 2473 } else { 2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2476 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2477 /* Use endpoint defaults */ 2478 SCTP_INP_RLOCK(inp); 2479 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2480 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2481 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2482 /* get inp's default */ 2483 if (inp->sctp_ep.default_dscp & 0x01) { 2484 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2485 paddrp->spp_flags |= SPP_DSCP; 2486 } 2487 #ifdef INET6 2488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2489 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2490 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2491 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2492 } 2493 #endif 2494 /* can't return this */ 2495 paddrp->spp_pathmtu = 0; 2496 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2498 paddrp->spp_flags |= SPP_HB_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_HB_DISABLE; 2501 } 2502 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2503 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2504 } else { 2505 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2506 } 2507 SCTP_INP_RUNLOCK(inp); 2508 } else { 2509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2510 error = EINVAL; 2511 } 2512 } 2513 if (error == 0) { 2514 *optsize = sizeof(struct sctp_paddrparams); 2515 } 2516 break; 2517 } 2518 case SCTP_GET_PEER_ADDR_INFO: 2519 { 2520 struct sctp_paddrinfo *paddri; 2521 struct sctp_nets *net; 2522 2523 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2524 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2525 2526 net = NULL; 2527 if (stcb) { 2528 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2529 } else { 2530 /* 2531 * We increment here since 2532 * sctp_findassociation_ep_addr() wil do a 2533 * decrement if it finds the stcb as long as 2534 * the locked tcb (last argument) is NOT a 2535 * TCB.. aka NULL. 2536 */ 2537 SCTP_INP_INCR_REF(inp); 2538 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2539 if (stcb == NULL) { 2540 SCTP_INP_DECR_REF(inp); 2541 } 2542 } 2543 2544 if ((stcb) && (net)) { 2545 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2546 /* It's unconfirmed */ 2547 paddri->spinfo_state = SCTP_UNCONFIRMED; 2548 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2549 /* It's active */ 2550 paddri->spinfo_state = SCTP_ACTIVE; 2551 } else { 2552 /* It's inactive */ 2553 paddri->spinfo_state = SCTP_INACTIVE; 2554 } 2555 paddri->spinfo_cwnd = net->cwnd; 2556 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2557 paddri->spinfo_rto = net->RTO; 2558 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2559 paddri->spinfo_mtu = net->mtu; 2560 SCTP_TCB_UNLOCK(stcb); 2561 *optsize = sizeof(struct sctp_paddrinfo); 2562 } else { 2563 if (stcb) { 2564 SCTP_TCB_UNLOCK(stcb); 2565 } 2566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2567 error = ENOENT; 2568 } 2569 break; 2570 } 2571 case SCTP_PCB_STATUS: 2572 { 2573 struct sctp_pcbinfo *spcb; 2574 2575 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2576 sctp_fill_pcbinfo(spcb); 2577 *optsize = sizeof(struct sctp_pcbinfo); 2578 break; 2579 } 2580 case SCTP_STATUS: 2581 { 2582 struct sctp_nets *net; 2583 struct sctp_status *sstat; 2584 2585 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2586 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2587 2588 if (stcb == NULL) { 2589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2590 error = EINVAL; 2591 break; 2592 } 2593 /* 2594 * I think passing the state is fine since 2595 * sctp_constants.h will be available to the user 2596 * land. 2597 */ 2598 sstat->sstat_state = stcb->asoc.state; 2599 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2600 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2601 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2602 /* 2603 * We can't include chunks that have been passed to 2604 * the socket layer. Only things in queue. 2605 */ 2606 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2607 stcb->asoc.cnt_on_all_streams); 2608 2609 2610 sstat->sstat_instrms = stcb->asoc.streamincnt; 2611 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2612 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2613 memcpy(&sstat->sstat_primary.spinfo_address, 2614 &stcb->asoc.primary_destination->ro._l_addr, 2615 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2616 net = stcb->asoc.primary_destination; 2617 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2618 /* 2619 * Again the user can get info from sctp_constants.h 2620 * for what the state of the network is. 2621 */ 2622 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2623 /* It's unconfirmed */ 2624 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2625 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2626 /* It's active */ 2627 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2628 } else { 2629 /* It's inactive */ 2630 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2631 } 2632 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2633 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2634 sstat->sstat_primary.spinfo_rto = net->RTO; 2635 sstat->sstat_primary.spinfo_mtu = net->mtu; 2636 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2637 SCTP_TCB_UNLOCK(stcb); 2638 *optsize = sizeof(struct sctp_status); 2639 break; 2640 } 2641 case SCTP_RTOINFO: 2642 { 2643 struct sctp_rtoinfo *srto; 2644 2645 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2646 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2647 2648 if (stcb) { 2649 srto->srto_initial = stcb->asoc.initial_rto; 2650 srto->srto_max = stcb->asoc.maxrto; 2651 srto->srto_min = stcb->asoc.minrto; 2652 SCTP_TCB_UNLOCK(stcb); 2653 } else { 2654 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2655 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2656 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2657 SCTP_INP_RLOCK(inp); 2658 srto->srto_initial = inp->sctp_ep.initial_rto; 2659 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2660 srto->srto_min = inp->sctp_ep.sctp_minrto; 2661 SCTP_INP_RUNLOCK(inp); 2662 } else { 2663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2664 error = EINVAL; 2665 } 2666 } 2667 if (error == 0) { 2668 *optsize = sizeof(struct sctp_rtoinfo); 2669 } 2670 break; 2671 } 2672 case SCTP_TIMEOUTS: 2673 { 2674 struct sctp_timeouts *stimo; 2675 2676 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2677 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2678 2679 if (stcb) { 2680 stimo->stimo_init = stcb->asoc.timoinit; 2681 stimo->stimo_data = stcb->asoc.timodata; 2682 stimo->stimo_sack = stcb->asoc.timosack; 2683 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2684 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2685 stimo->stimo_cookie = stcb->asoc.timocookie; 2686 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2687 SCTP_TCB_UNLOCK(stcb); 2688 *optsize = sizeof(struct sctp_timeouts); 2689 } else { 2690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2691 error = EINVAL; 2692 } 2693 break; 2694 } 2695 case SCTP_ASSOCINFO: 2696 { 2697 struct sctp_assocparams *sasoc; 2698 2699 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2700 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2701 2702 if (stcb) { 2703 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2704 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2705 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2706 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2707 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2708 SCTP_TCB_UNLOCK(stcb); 2709 } else { 2710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2712 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2713 SCTP_INP_RLOCK(inp); 2714 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2715 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2716 sasoc->sasoc_number_peer_destinations = 0; 2717 sasoc->sasoc_peer_rwnd = 0; 2718 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2719 SCTP_INP_RUNLOCK(inp); 2720 } else { 2721 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2722 error = EINVAL; 2723 } 2724 } 2725 if (error == 0) { 2726 *optsize = sizeof(struct sctp_assocparams); 2727 } 2728 break; 2729 } 2730 case SCTP_DEFAULT_SEND_PARAM: 2731 { 2732 struct sctp_sndrcvinfo *s_info; 2733 2734 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2735 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2736 2737 if (stcb) { 2738 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2739 SCTP_TCB_UNLOCK(stcb); 2740 } else { 2741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2743 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2744 SCTP_INP_RLOCK(inp); 2745 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2746 SCTP_INP_RUNLOCK(inp); 2747 } else { 2748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2749 error = EINVAL; 2750 } 2751 } 2752 if (error == 0) { 2753 *optsize = sizeof(struct sctp_sndrcvinfo); 2754 } 2755 break; 2756 } 2757 case SCTP_INITMSG: 2758 { 2759 struct sctp_initmsg *sinit; 2760 2761 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2762 SCTP_INP_RLOCK(inp); 2763 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2764 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2765 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2766 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2767 SCTP_INP_RUNLOCK(inp); 2768 *optsize = sizeof(struct sctp_initmsg); 2769 break; 2770 } 2771 case SCTP_PRIMARY_ADDR: 2772 /* we allow a "get" operation on this */ 2773 { 2774 struct sctp_setprim *ssp; 2775 2776 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2777 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2778 2779 if (stcb) { 2780 /* simply copy out the sockaddr_storage... */ 2781 int len; 2782 2783 len = *optsize; 2784 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2785 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2786 2787 memcpy(&ssp->ssp_addr, 2788 &stcb->asoc.primary_destination->ro._l_addr, 2789 len); 2790 SCTP_TCB_UNLOCK(stcb); 2791 *optsize = sizeof(struct sctp_setprim); 2792 } else { 2793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2794 error = EINVAL; 2795 } 2796 break; 2797 } 2798 case SCTP_HMAC_IDENT: 2799 { 2800 struct sctp_hmacalgo *shmac; 2801 sctp_hmaclist_t *hmaclist; 2802 uint32_t size; 2803 int i; 2804 2805 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2806 2807 SCTP_INP_RLOCK(inp); 2808 hmaclist = inp->sctp_ep.local_hmacs; 2809 if (hmaclist == NULL) { 2810 /* no HMACs to return */ 2811 *optsize = sizeof(*shmac); 2812 SCTP_INP_RUNLOCK(inp); 2813 break; 2814 } 2815 /* is there room for all of the hmac ids? */ 2816 size = sizeof(*shmac) + (hmaclist->num_algo * 2817 sizeof(shmac->shmac_idents[0])); 2818 if ((size_t)(*optsize) < size) { 2819 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2820 error = EINVAL; 2821 SCTP_INP_RUNLOCK(inp); 2822 break; 2823 } 2824 /* copy in the list */ 2825 shmac->shmac_number_of_idents = hmaclist->num_algo; 2826 for (i = 0; i < hmaclist->num_algo; i++) { 2827 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2828 } 2829 SCTP_INP_RUNLOCK(inp); 2830 *optsize = size; 2831 break; 2832 } 2833 case SCTP_AUTH_ACTIVE_KEY: 2834 { 2835 struct sctp_authkeyid *scact; 2836 2837 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2838 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2839 2840 if (stcb) { 2841 /* get the active key on the assoc */ 2842 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2843 SCTP_TCB_UNLOCK(stcb); 2844 } else { 2845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2847 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2848 /* get the endpoint active key */ 2849 SCTP_INP_RLOCK(inp); 2850 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2851 SCTP_INP_RUNLOCK(inp); 2852 } else { 2853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2854 error = EINVAL; 2855 } 2856 } 2857 if (error == 0) { 2858 *optsize = sizeof(struct sctp_authkeyid); 2859 } 2860 break; 2861 } 2862 case SCTP_LOCAL_AUTH_CHUNKS: 2863 { 2864 struct sctp_authchunks *sac; 2865 sctp_auth_chklist_t *chklist = NULL; 2866 size_t size = 0; 2867 2868 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2869 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2870 2871 if (stcb) { 2872 /* get off the assoc */ 2873 chklist = stcb->asoc.local_auth_chunks; 2874 /* is there enough space? */ 2875 size = sctp_auth_get_chklist_size(chklist); 2876 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2877 error = EINVAL; 2878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2879 } else { 2880 /* copy in the chunks */ 2881 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2882 *optsize = sizeof(struct sctp_authchunks) + size; 2883 } 2884 SCTP_TCB_UNLOCK(stcb); 2885 } else { 2886 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2887 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2888 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2889 /* get off the endpoint */ 2890 SCTP_INP_RLOCK(inp); 2891 chklist = inp->sctp_ep.local_auth_chunks; 2892 /* is there enough space? */ 2893 size = sctp_auth_get_chklist_size(chklist); 2894 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2895 error = EINVAL; 2896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2897 } else { 2898 /* copy in the chunks */ 2899 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2900 *optsize = sizeof(struct sctp_authchunks) + size; 2901 } 2902 SCTP_INP_RUNLOCK(inp); 2903 } else { 2904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2905 error = EINVAL; 2906 } 2907 } 2908 break; 2909 } 2910 case SCTP_PEER_AUTH_CHUNKS: 2911 { 2912 struct sctp_authchunks *sac; 2913 sctp_auth_chklist_t *chklist = NULL; 2914 size_t size = 0; 2915 2916 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2917 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2918 2919 if (stcb) { 2920 /* get off the assoc */ 2921 chklist = stcb->asoc.peer_auth_chunks; 2922 /* is there enough space? */ 2923 size = sctp_auth_get_chklist_size(chklist); 2924 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2925 error = EINVAL; 2926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2927 } else { 2928 /* copy in the chunks */ 2929 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2930 *optsize = sizeof(struct sctp_authchunks) + size; 2931 } 2932 SCTP_TCB_UNLOCK(stcb); 2933 } else { 2934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2935 error = ENOENT; 2936 } 2937 break; 2938 } 2939 case SCTP_EVENT: 2940 { 2941 struct sctp_event *event; 2942 uint32_t event_type; 2943 2944 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2945 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2946 2947 switch (event->se_type) { 2948 case SCTP_ASSOC_CHANGE: 2949 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2950 break; 2951 case SCTP_PEER_ADDR_CHANGE: 2952 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2953 break; 2954 case SCTP_REMOTE_ERROR: 2955 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2956 break; 2957 case SCTP_SEND_FAILED: 2958 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2959 break; 2960 case SCTP_SHUTDOWN_EVENT: 2961 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2962 break; 2963 case SCTP_ADAPTATION_INDICATION: 2964 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2965 break; 2966 case SCTP_PARTIAL_DELIVERY_EVENT: 2967 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2968 break; 2969 case SCTP_AUTHENTICATION_EVENT: 2970 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2971 break; 2972 case SCTP_STREAM_RESET_EVENT: 2973 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2974 break; 2975 case SCTP_SENDER_DRY_EVENT: 2976 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2977 break; 2978 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2979 event_type = 0; 2980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2981 error = ENOTSUP; 2982 break; 2983 default: 2984 event_type = 0; 2985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2986 error = EINVAL; 2987 break; 2988 } 2989 if (event_type > 0) { 2990 if (stcb) { 2991 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2992 SCTP_TCB_UNLOCK(stcb); 2993 } else { 2994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2995 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2996 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 2997 SCTP_INP_RLOCK(inp); 2998 event->se_on = sctp_is_feature_on(inp, event_type); 2999 SCTP_INP_RUNLOCK(inp); 3000 } else { 3001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3002 error = EINVAL; 3003 } 3004 } 3005 } 3006 if (error == 0) { 3007 *optsize = sizeof(struct sctp_event); 3008 } 3009 break; 3010 } 3011 case SCTP_RECVRCVINFO: 3012 { 3013 int onoff; 3014 3015 if (*optsize < sizeof(int)) { 3016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3017 error = EINVAL; 3018 } else { 3019 SCTP_INP_RLOCK(inp); 3020 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3021 SCTP_INP_RUNLOCK(inp); 3022 } 3023 if (error == 0) { 3024 /* return the option value */ 3025 *(int *)optval = onoff; 3026 *optsize = sizeof(int); 3027 } 3028 break; 3029 } 3030 case SCTP_RECVNXTINFO: 3031 { 3032 int onoff; 3033 3034 if (*optsize < sizeof(int)) { 3035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3036 error = EINVAL; 3037 } else { 3038 SCTP_INP_RLOCK(inp); 3039 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3040 SCTP_INP_RUNLOCK(inp); 3041 } 3042 if (error == 0) { 3043 /* return the option value */ 3044 *(int *)optval = onoff; 3045 *optsize = sizeof(int); 3046 } 3047 break; 3048 } 3049 case SCTP_DEFAULT_SNDINFO: 3050 { 3051 struct sctp_sndinfo *info; 3052 3053 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3054 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3055 3056 if (stcb) { 3057 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3058 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3059 info->snd_flags &= 0xfff0; 3060 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3061 info->snd_context = stcb->asoc.def_send.sinfo_context; 3062 SCTP_TCB_UNLOCK(stcb); 3063 } else { 3064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3066 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3067 SCTP_INP_RLOCK(inp); 3068 info->snd_sid = inp->def_send.sinfo_stream; 3069 info->snd_flags = inp->def_send.sinfo_flags; 3070 info->snd_flags &= 0xfff0; 3071 info->snd_ppid = inp->def_send.sinfo_ppid; 3072 info->snd_context = inp->def_send.sinfo_context; 3073 SCTP_INP_RUNLOCK(inp); 3074 } else { 3075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3076 error = EINVAL; 3077 } 3078 } 3079 if (error == 0) { 3080 *optsize = sizeof(struct sctp_sndinfo); 3081 } 3082 break; 3083 } 3084 case SCTP_DEFAULT_PRINFO: 3085 { 3086 struct sctp_default_prinfo *info; 3087 3088 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3089 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3090 3091 if (stcb) { 3092 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3093 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3094 SCTP_TCB_UNLOCK(stcb); 3095 } else { 3096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3097 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3098 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3099 SCTP_INP_RLOCK(inp); 3100 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3101 info->pr_value = inp->def_send.sinfo_timetolive; 3102 SCTP_INP_RUNLOCK(inp); 3103 } else { 3104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3105 error = EINVAL; 3106 } 3107 } 3108 if (error == 0) { 3109 *optsize = sizeof(struct sctp_default_prinfo); 3110 } 3111 break; 3112 } 3113 case SCTP_PEER_ADDR_THLDS: 3114 { 3115 struct sctp_paddrthlds *thlds; 3116 struct sctp_nets *net; 3117 3118 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3119 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3120 3121 net = NULL; 3122 if (stcb) { 3123 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3124 } else { 3125 /* 3126 * We increment here since 3127 * sctp_findassociation_ep_addr() wil do a 3128 * decrement if it finds the stcb as long as 3129 * the locked tcb (last argument) is NOT a 3130 * TCB.. aka NULL. 3131 */ 3132 SCTP_INP_INCR_REF(inp); 3133 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3134 if (stcb == NULL) { 3135 SCTP_INP_DECR_REF(inp); 3136 } 3137 } 3138 if (stcb && (net == NULL)) { 3139 struct sockaddr *sa; 3140 3141 sa = (struct sockaddr *)&thlds->spt_address; 3142 #ifdef INET 3143 if (sa->sa_family == AF_INET) { 3144 struct sockaddr_in *sin; 3145 3146 sin = (struct sockaddr_in *)sa; 3147 if (sin->sin_addr.s_addr) { 3148 error = EINVAL; 3149 SCTP_TCB_UNLOCK(stcb); 3150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3151 break; 3152 } 3153 } else 3154 #endif 3155 #ifdef INET6 3156 if (sa->sa_family == AF_INET6) { 3157 struct sockaddr_in6 *sin6; 3158 3159 sin6 = (struct sockaddr_in6 *)sa; 3160 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3161 error = EINVAL; 3162 SCTP_TCB_UNLOCK(stcb); 3163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3164 break; 3165 } 3166 } else 3167 #endif 3168 { 3169 error = EAFNOSUPPORT; 3170 SCTP_TCB_UNLOCK(stcb); 3171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3172 break; 3173 } 3174 } 3175 if (stcb) { 3176 if (net) { 3177 thlds->spt_pathmaxrxt = net->failure_threshold; 3178 thlds->spt_pathpfthld = net->pf_threshold; 3179 } else { 3180 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3181 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3182 } 3183 thlds->spt_assoc_id = sctp_get_associd(stcb); 3184 SCTP_TCB_UNLOCK(stcb); 3185 } else { 3186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3188 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3189 /* Use endpoint defaults */ 3190 SCTP_INP_RLOCK(inp); 3191 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3192 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3193 SCTP_INP_RUNLOCK(inp); 3194 } else { 3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3196 error = EINVAL; 3197 } 3198 } 3199 if (error == 0) { 3200 *optsize = sizeof(struct sctp_paddrthlds); 3201 } 3202 break; 3203 } 3204 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3205 { 3206 struct sctp_udpencaps *encaps; 3207 struct sctp_nets *net; 3208 3209 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3210 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3211 3212 if (stcb) { 3213 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3214 } else { 3215 /* 3216 * We increment here since 3217 * sctp_findassociation_ep_addr() wil do a 3218 * decrement if it finds the stcb as long as 3219 * the locked tcb (last argument) is NOT a 3220 * TCB.. aka NULL. 3221 */ 3222 net = NULL; 3223 SCTP_INP_INCR_REF(inp); 3224 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3225 if (stcb == NULL) { 3226 SCTP_INP_DECR_REF(inp); 3227 } 3228 } 3229 if (stcb && (net == NULL)) { 3230 struct sockaddr *sa; 3231 3232 sa = (struct sockaddr *)&encaps->sue_address; 3233 #ifdef INET 3234 if (sa->sa_family == AF_INET) { 3235 struct sockaddr_in *sin; 3236 3237 sin = (struct sockaddr_in *)sa; 3238 if (sin->sin_addr.s_addr) { 3239 error = EINVAL; 3240 SCTP_TCB_UNLOCK(stcb); 3241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3242 break; 3243 } 3244 } else 3245 #endif 3246 #ifdef INET6 3247 if (sa->sa_family == AF_INET6) { 3248 struct sockaddr_in6 *sin6; 3249 3250 sin6 = (struct sockaddr_in6 *)sa; 3251 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3252 error = EINVAL; 3253 SCTP_TCB_UNLOCK(stcb); 3254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3255 break; 3256 } 3257 } else 3258 #endif 3259 { 3260 error = EAFNOSUPPORT; 3261 SCTP_TCB_UNLOCK(stcb); 3262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3263 break; 3264 } 3265 } 3266 if (stcb) { 3267 if (net) { 3268 encaps->sue_port = net->port; 3269 } else { 3270 encaps->sue_port = stcb->asoc.port; 3271 } 3272 SCTP_TCB_UNLOCK(stcb); 3273 } else { 3274 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3275 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3276 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3277 SCTP_INP_RLOCK(inp); 3278 encaps->sue_port = inp->sctp_ep.port; 3279 SCTP_INP_RUNLOCK(inp); 3280 } else { 3281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3282 error = EINVAL; 3283 } 3284 } 3285 if (error == 0) { 3286 *optsize = sizeof(struct sctp_paddrparams); 3287 } 3288 break; 3289 } 3290 default: 3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3292 error = ENOPROTOOPT; 3293 break; 3294 } /* end switch (sopt->sopt_name) */ 3295 if (error) { 3296 *optsize = 0; 3297 } 3298 return (error); 3299 } 3300 3301 static int 3302 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3303 void *p) 3304 { 3305 int error, set_opt; 3306 uint32_t *mopt; 3307 struct sctp_tcb *stcb = NULL; 3308 struct sctp_inpcb *inp = NULL; 3309 uint32_t vrf_id; 3310 3311 if (optval == NULL) { 3312 SCTP_PRINTF("optval is NULL\n"); 3313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3314 return (EINVAL); 3315 } 3316 inp = (struct sctp_inpcb *)so->so_pcb; 3317 if (inp == NULL) { 3318 SCTP_PRINTF("inp is NULL?\n"); 3319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3320 return (EINVAL); 3321 } 3322 vrf_id = inp->def_vrf_id; 3323 3324 error = 0; 3325 switch (optname) { 3326 case SCTP_NODELAY: 3327 case SCTP_AUTOCLOSE: 3328 case SCTP_AUTO_ASCONF: 3329 case SCTP_EXPLICIT_EOR: 3330 case SCTP_DISABLE_FRAGMENTS: 3331 case SCTP_USE_EXT_RCVINFO: 3332 case SCTP_I_WANT_MAPPED_V4_ADDR: 3333 /* copy in the option value */ 3334 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3335 set_opt = 0; 3336 if (error) 3337 break; 3338 switch (optname) { 3339 case SCTP_DISABLE_FRAGMENTS: 3340 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3341 break; 3342 case SCTP_AUTO_ASCONF: 3343 /* 3344 * NOTE: we don't really support this flag 3345 */ 3346 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3347 /* only valid for bound all sockets */ 3348 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3349 (*mopt != 0)) { 3350 /* forbidden by admin */ 3351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3352 return (EPERM); 3353 } 3354 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3355 } else { 3356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3357 return (EINVAL); 3358 } 3359 break; 3360 case SCTP_EXPLICIT_EOR: 3361 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3362 break; 3363 case SCTP_USE_EXT_RCVINFO: 3364 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3365 break; 3366 case SCTP_I_WANT_MAPPED_V4_ADDR: 3367 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3368 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3369 } else { 3370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3371 return (EINVAL); 3372 } 3373 break; 3374 case SCTP_NODELAY: 3375 set_opt = SCTP_PCB_FLAGS_NODELAY; 3376 break; 3377 case SCTP_AUTOCLOSE: 3378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3379 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3381 return (EINVAL); 3382 } 3383 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3384 /* 3385 * The value is in ticks. Note this does not effect 3386 * old associations, only new ones. 3387 */ 3388 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3389 break; 3390 } 3391 SCTP_INP_WLOCK(inp); 3392 if (*mopt != 0) { 3393 sctp_feature_on(inp, set_opt); 3394 } else { 3395 sctp_feature_off(inp, set_opt); 3396 } 3397 SCTP_INP_WUNLOCK(inp); 3398 break; 3399 case SCTP_REUSE_PORT: 3400 { 3401 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3402 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3403 /* Can't set it after we are bound */ 3404 error = EINVAL; 3405 break; 3406 } 3407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3408 /* Can't do this for a 1-m socket */ 3409 error = EINVAL; 3410 break; 3411 } 3412 if (optval) 3413 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3414 else 3415 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3416 break; 3417 } 3418 case SCTP_PARTIAL_DELIVERY_POINT: 3419 { 3420 uint32_t *value; 3421 3422 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3423 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3425 error = EINVAL; 3426 break; 3427 } 3428 inp->partial_delivery_point = *value; 3429 break; 3430 } 3431 case SCTP_FRAGMENT_INTERLEAVE: 3432 /* not yet until we re-write sctp_recvmsg() */ 3433 { 3434 uint32_t *level; 3435 3436 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3437 if (*level == SCTP_FRAG_LEVEL_2) { 3438 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3439 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3440 } else if (*level == SCTP_FRAG_LEVEL_1) { 3441 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3442 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3443 } else if (*level == SCTP_FRAG_LEVEL_0) { 3444 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3445 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3446 3447 } else { 3448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3449 error = EINVAL; 3450 } 3451 break; 3452 } 3453 case SCTP_CMT_ON_OFF: 3454 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3455 struct sctp_assoc_value *av; 3456 3457 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3458 if (av->assoc_value > SCTP_CMT_MAX) { 3459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3460 error = EINVAL; 3461 break; 3462 } 3463 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3464 if (stcb) { 3465 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3466 SCTP_TCB_UNLOCK(stcb); 3467 } else { 3468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3470 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3471 (av->assoc_id == SCTP_ALL_ASSOC)) { 3472 SCTP_INP_WLOCK(inp); 3473 inp->sctp_cmt_on_off = av->assoc_value; 3474 SCTP_INP_WUNLOCK(inp); 3475 } 3476 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3477 (av->assoc_id == SCTP_ALL_ASSOC)) { 3478 SCTP_INP_RLOCK(inp); 3479 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3480 SCTP_TCB_LOCK(stcb); 3481 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3482 SCTP_TCB_UNLOCK(stcb); 3483 } 3484 SCTP_INP_RUNLOCK(inp); 3485 } 3486 } 3487 } else { 3488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3489 error = ENOPROTOOPT; 3490 } 3491 break; 3492 case SCTP_PLUGGABLE_CC: 3493 { 3494 struct sctp_assoc_value *av; 3495 struct sctp_nets *net; 3496 3497 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3498 if ((av->assoc_value != SCTP_CC_RFC2581) && 3499 (av->assoc_value != SCTP_CC_HSTCP) && 3500 (av->assoc_value != SCTP_CC_HTCP) && 3501 (av->assoc_value != SCTP_CC_RTCC)) { 3502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3503 error = EINVAL; 3504 break; 3505 } 3506 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3507 if (stcb) { 3508 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3509 stcb->asoc.congestion_control_module = av->assoc_value; 3510 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3511 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3512 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3513 } 3514 } 3515 SCTP_TCB_UNLOCK(stcb); 3516 } else { 3517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3518 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3519 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3520 (av->assoc_id == SCTP_ALL_ASSOC)) { 3521 SCTP_INP_WLOCK(inp); 3522 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3523 SCTP_INP_WUNLOCK(inp); 3524 } 3525 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3526 (av->assoc_id == SCTP_ALL_ASSOC)) { 3527 SCTP_INP_RLOCK(inp); 3528 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3529 SCTP_TCB_LOCK(stcb); 3530 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3531 stcb->asoc.congestion_control_module = av->assoc_value; 3532 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3533 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3534 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3535 } 3536 } 3537 SCTP_TCB_UNLOCK(stcb); 3538 } 3539 SCTP_INP_RUNLOCK(inp); 3540 } 3541 } 3542 break; 3543 } 3544 case SCTP_CC_OPTION: 3545 { 3546 struct sctp_cc_option *cc_opt; 3547 3548 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3549 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3550 if (stcb == NULL) { 3551 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3552 SCTP_INP_RLOCK(inp); 3553 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3554 SCTP_TCB_LOCK(stcb); 3555 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3556 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3557 } 3558 SCTP_TCB_UNLOCK(stcb); 3559 } 3560 SCTP_INP_RUNLOCK(inp); 3561 } else { 3562 error = EINVAL; 3563 } 3564 } else { 3565 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3566 error = ENOTSUP; 3567 } else { 3568 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3569 cc_opt); 3570 } 3571 SCTP_TCB_UNLOCK(stcb); 3572 } 3573 break; 3574 } 3575 case SCTP_PLUGGABLE_SS: 3576 { 3577 struct sctp_assoc_value *av; 3578 3579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3580 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3581 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3582 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3583 (av->assoc_value != SCTP_SS_PRIORITY) && 3584 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3585 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3587 error = EINVAL; 3588 break; 3589 } 3590 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3591 if (stcb) { 3592 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3593 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3594 stcb->asoc.stream_scheduling_module = av->assoc_value; 3595 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3596 SCTP_TCB_UNLOCK(stcb); 3597 } else { 3598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3600 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3601 (av->assoc_id == SCTP_ALL_ASSOC)) { 3602 SCTP_INP_WLOCK(inp); 3603 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3604 SCTP_INP_WUNLOCK(inp); 3605 } 3606 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3607 (av->assoc_id == SCTP_ALL_ASSOC)) { 3608 SCTP_INP_RLOCK(inp); 3609 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3610 SCTP_TCB_LOCK(stcb); 3611 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3612 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3613 stcb->asoc.stream_scheduling_module = av->assoc_value; 3614 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3615 SCTP_TCB_UNLOCK(stcb); 3616 } 3617 SCTP_INP_RUNLOCK(inp); 3618 } 3619 } 3620 break; 3621 } 3622 case SCTP_SS_VALUE: 3623 { 3624 struct sctp_stream_value *av; 3625 3626 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3627 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3628 if (stcb) { 3629 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3630 av->stream_value) < 0) { 3631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3632 error = EINVAL; 3633 } 3634 SCTP_TCB_UNLOCK(stcb); 3635 } else { 3636 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3637 SCTP_INP_RLOCK(inp); 3638 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3639 SCTP_TCB_LOCK(stcb); 3640 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3641 &stcb->asoc, 3642 &stcb->asoc.strmout[av->stream_id], 3643 av->stream_value); 3644 SCTP_TCB_UNLOCK(stcb); 3645 } 3646 SCTP_INP_RUNLOCK(inp); 3647 3648 } else { 3649 /* 3650 * Can't set stream value without 3651 * association 3652 */ 3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3654 error = EINVAL; 3655 } 3656 } 3657 break; 3658 } 3659 case SCTP_CLR_STAT_LOG: 3660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3661 error = EOPNOTSUPP; 3662 break; 3663 case SCTP_CONTEXT: 3664 { 3665 struct sctp_assoc_value *av; 3666 3667 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3668 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3669 3670 if (stcb) { 3671 stcb->asoc.context = av->assoc_value; 3672 SCTP_TCB_UNLOCK(stcb); 3673 } else { 3674 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3675 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3676 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3677 (av->assoc_id == SCTP_ALL_ASSOC)) { 3678 SCTP_INP_WLOCK(inp); 3679 inp->sctp_context = av->assoc_value; 3680 SCTP_INP_WUNLOCK(inp); 3681 } 3682 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3683 (av->assoc_id == SCTP_ALL_ASSOC)) { 3684 SCTP_INP_RLOCK(inp); 3685 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3686 SCTP_TCB_LOCK(stcb); 3687 stcb->asoc.context = av->assoc_value; 3688 SCTP_TCB_UNLOCK(stcb); 3689 } 3690 SCTP_INP_RUNLOCK(inp); 3691 } 3692 } 3693 break; 3694 } 3695 case SCTP_VRF_ID: 3696 { 3697 uint32_t *default_vrfid; 3698 3699 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3700 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3702 error = EINVAL; 3703 break; 3704 } 3705 inp->def_vrf_id = *default_vrfid; 3706 break; 3707 } 3708 case SCTP_DEL_VRF_ID: 3709 { 3710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3711 error = EOPNOTSUPP; 3712 break; 3713 } 3714 case SCTP_ADD_VRF_ID: 3715 { 3716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3717 error = EOPNOTSUPP; 3718 break; 3719 } 3720 case SCTP_DELAYED_SACK: 3721 { 3722 struct sctp_sack_info *sack; 3723 3724 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3725 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3726 if (sack->sack_delay) { 3727 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3728 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3729 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3730 sack->sack_delay = TICKS_TO_MSEC(1); 3731 } 3732 } 3733 if (stcb) { 3734 if (sack->sack_delay) { 3735 stcb->asoc.delayed_ack = sack->sack_delay; 3736 } 3737 if (sack->sack_freq) { 3738 stcb->asoc.sack_freq = sack->sack_freq; 3739 } 3740 SCTP_TCB_UNLOCK(stcb); 3741 } else { 3742 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3743 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3744 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3745 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3746 SCTP_INP_WLOCK(inp); 3747 if (sack->sack_delay) { 3748 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3749 } 3750 if (sack->sack_freq) { 3751 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3752 } 3753 SCTP_INP_WUNLOCK(inp); 3754 } 3755 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3756 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3757 SCTP_INP_RLOCK(inp); 3758 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3759 SCTP_TCB_LOCK(stcb); 3760 if (sack->sack_delay) { 3761 stcb->asoc.delayed_ack = sack->sack_delay; 3762 } 3763 if (sack->sack_freq) { 3764 stcb->asoc.sack_freq = sack->sack_freq; 3765 } 3766 SCTP_TCB_UNLOCK(stcb); 3767 } 3768 SCTP_INP_RUNLOCK(inp); 3769 } 3770 } 3771 break; 3772 } 3773 case SCTP_AUTH_CHUNK: 3774 { 3775 struct sctp_authchunk *sauth; 3776 3777 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3778 3779 SCTP_INP_WLOCK(inp); 3780 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3782 error = EINVAL; 3783 } 3784 SCTP_INP_WUNLOCK(inp); 3785 break; 3786 } 3787 case SCTP_AUTH_KEY: 3788 { 3789 struct sctp_authkey *sca; 3790 struct sctp_keyhead *shared_keys; 3791 sctp_sharedkey_t *shared_key; 3792 sctp_key_t *key = NULL; 3793 size_t size; 3794 3795 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3796 if (sca->sca_keylength == 0) { 3797 size = optsize - sizeof(struct sctp_authkey); 3798 } else { 3799 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3800 size = sca->sca_keylength; 3801 } else { 3802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3803 error = EINVAL; 3804 break; 3805 } 3806 } 3807 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3808 3809 if (stcb) { 3810 shared_keys = &stcb->asoc.shared_keys; 3811 /* clear the cached keys for this key id */ 3812 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3813 /* 3814 * create the new shared key and 3815 * insert/replace it 3816 */ 3817 if (size > 0) { 3818 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3819 if (key == NULL) { 3820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3821 error = ENOMEM; 3822 SCTP_TCB_UNLOCK(stcb); 3823 break; 3824 } 3825 } 3826 shared_key = sctp_alloc_sharedkey(); 3827 if (shared_key == NULL) { 3828 sctp_free_key(key); 3829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3830 error = ENOMEM; 3831 SCTP_TCB_UNLOCK(stcb); 3832 break; 3833 } 3834 shared_key->key = key; 3835 shared_key->keyid = sca->sca_keynumber; 3836 error = sctp_insert_sharedkey(shared_keys, shared_key); 3837 SCTP_TCB_UNLOCK(stcb); 3838 } else { 3839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3840 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3841 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3842 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3843 SCTP_INP_WLOCK(inp); 3844 shared_keys = &inp->sctp_ep.shared_keys; 3845 /* 3846 * clear the cached keys on all 3847 * assocs for this key id 3848 */ 3849 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3850 /* 3851 * create the new shared key and 3852 * insert/replace it 3853 */ 3854 if (size > 0) { 3855 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3856 if (key == NULL) { 3857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3858 error = ENOMEM; 3859 SCTP_INP_WUNLOCK(inp); 3860 break; 3861 } 3862 } 3863 shared_key = sctp_alloc_sharedkey(); 3864 if (shared_key == NULL) { 3865 sctp_free_key(key); 3866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3867 error = ENOMEM; 3868 SCTP_INP_WUNLOCK(inp); 3869 break; 3870 } 3871 shared_key->key = key; 3872 shared_key->keyid = sca->sca_keynumber; 3873 error = sctp_insert_sharedkey(shared_keys, shared_key); 3874 SCTP_INP_WUNLOCK(inp); 3875 } 3876 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3877 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3878 SCTP_INP_RLOCK(inp); 3879 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3880 SCTP_TCB_LOCK(stcb); 3881 shared_keys = &stcb->asoc.shared_keys; 3882 /* 3883 * clear the cached keys for 3884 * this key id 3885 */ 3886 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3887 /* 3888 * create the new shared key 3889 * and insert/replace it 3890 */ 3891 if (size > 0) { 3892 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3893 if (key == NULL) { 3894 SCTP_TCB_UNLOCK(stcb); 3895 continue; 3896 } 3897 } 3898 shared_key = sctp_alloc_sharedkey(); 3899 if (shared_key == NULL) { 3900 sctp_free_key(key); 3901 SCTP_TCB_UNLOCK(stcb); 3902 continue; 3903 } 3904 shared_key->key = key; 3905 shared_key->keyid = sca->sca_keynumber; 3906 error = sctp_insert_sharedkey(shared_keys, shared_key); 3907 SCTP_TCB_UNLOCK(stcb); 3908 } 3909 SCTP_INP_RUNLOCK(inp); 3910 } 3911 } 3912 break; 3913 } 3914 case SCTP_HMAC_IDENT: 3915 { 3916 struct sctp_hmacalgo *shmac; 3917 sctp_hmaclist_t *hmaclist; 3918 uint16_t hmacid; 3919 uint32_t i; 3920 size_t found; 3921 3922 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3923 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3925 error = EINVAL; 3926 break; 3927 } 3928 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3929 if (hmaclist == NULL) { 3930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3931 error = ENOMEM; 3932 break; 3933 } 3934 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3935 hmacid = shmac->shmac_idents[i]; 3936 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3937 /* invalid HMACs were found */ ; 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3939 error = EINVAL; 3940 sctp_free_hmaclist(hmaclist); 3941 goto sctp_set_hmac_done; 3942 } 3943 } 3944 found = 0; 3945 for (i = 0; i < hmaclist->num_algo; i++) { 3946 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3947 /* already in list */ 3948 found = 1; 3949 } 3950 } 3951 if (!found) { 3952 sctp_free_hmaclist(hmaclist); 3953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3954 error = EINVAL; 3955 break; 3956 } 3957 /* set it on the endpoint */ 3958 SCTP_INP_WLOCK(inp); 3959 if (inp->sctp_ep.local_hmacs) 3960 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3961 inp->sctp_ep.local_hmacs = hmaclist; 3962 SCTP_INP_WUNLOCK(inp); 3963 sctp_set_hmac_done: 3964 break; 3965 } 3966 case SCTP_AUTH_ACTIVE_KEY: 3967 { 3968 struct sctp_authkeyid *scact; 3969 3970 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3971 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3972 3973 /* set the active key on the right place */ 3974 if (stcb) { 3975 /* set the active key on the assoc */ 3976 if (sctp_auth_setactivekey(stcb, 3977 scact->scact_keynumber)) { 3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3979 SCTP_FROM_SCTP_USRREQ, 3980 EINVAL); 3981 error = EINVAL; 3982 } 3983 SCTP_TCB_UNLOCK(stcb); 3984 } else { 3985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3987 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3988 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3989 SCTP_INP_WLOCK(inp); 3990 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 3991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3992 error = EINVAL; 3993 } 3994 SCTP_INP_WUNLOCK(inp); 3995 } 3996 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 3997 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3998 SCTP_INP_RLOCK(inp); 3999 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4000 SCTP_TCB_LOCK(stcb); 4001 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4002 SCTP_TCB_UNLOCK(stcb); 4003 } 4004 SCTP_INP_RUNLOCK(inp); 4005 } 4006 } 4007 break; 4008 } 4009 case SCTP_AUTH_DELETE_KEY: 4010 { 4011 struct sctp_authkeyid *scdel; 4012 4013 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4014 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4015 4016 /* delete the key from the right place */ 4017 if (stcb) { 4018 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4020 error = EINVAL; 4021 } 4022 SCTP_TCB_UNLOCK(stcb); 4023 } else { 4024 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4025 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4026 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4027 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4028 SCTP_INP_WLOCK(inp); 4029 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4031 error = EINVAL; 4032 } 4033 SCTP_INP_WUNLOCK(inp); 4034 } 4035 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4036 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4037 SCTP_INP_RLOCK(inp); 4038 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4039 SCTP_TCB_LOCK(stcb); 4040 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4041 SCTP_TCB_UNLOCK(stcb); 4042 } 4043 SCTP_INP_RUNLOCK(inp); 4044 } 4045 } 4046 break; 4047 } 4048 case SCTP_AUTH_DEACTIVATE_KEY: 4049 { 4050 struct sctp_authkeyid *keyid; 4051 4052 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4053 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4054 4055 /* deactivate the key from the right place */ 4056 if (stcb) { 4057 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4059 error = EINVAL; 4060 } 4061 SCTP_TCB_UNLOCK(stcb); 4062 } else { 4063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4064 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4065 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4066 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4067 SCTP_INP_WLOCK(inp); 4068 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4070 error = EINVAL; 4071 } 4072 SCTP_INP_WUNLOCK(inp); 4073 } 4074 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4075 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_RLOCK(inp); 4077 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4078 SCTP_TCB_LOCK(stcb); 4079 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4080 SCTP_TCB_UNLOCK(stcb); 4081 } 4082 SCTP_INP_RUNLOCK(inp); 4083 } 4084 } 4085 break; 4086 } 4087 case SCTP_ENABLE_STREAM_RESET: 4088 { 4089 struct sctp_assoc_value *av; 4090 uint8_t set_value = 0; 4091 4092 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4093 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4095 error = EINVAL; 4096 break; 4097 } 4098 set_value = av->assoc_value & SCTP_ENABLE_VALUE_MASK; 4099 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4100 if (stcb) { 4101 stcb->asoc.local_strreset_support = set_value; 4102 SCTP_TCB_UNLOCK(stcb); 4103 } else { 4104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4105 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4106 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4107 (av->assoc_id == SCTP_ALL_ASSOC)) { 4108 SCTP_INP_WLOCK(inp); 4109 inp->local_strreset_support = set_value; 4110 SCTP_INP_WUNLOCK(inp); 4111 } 4112 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4113 (av->assoc_id == SCTP_ALL_ASSOC)) { 4114 SCTP_INP_RLOCK(inp); 4115 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4116 SCTP_TCB_LOCK(stcb); 4117 stcb->asoc.local_strreset_support = set_value; 4118 SCTP_TCB_UNLOCK(stcb); 4119 } 4120 SCTP_INP_RUNLOCK(inp); 4121 } 4122 } 4123 break; 4124 } 4125 case SCTP_RESET_STREAMS: 4126 { 4127 struct sctp_reset_streams *strrst; 4128 int i, send_out = 0; 4129 int send_in = 0; 4130 4131 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4132 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4133 4134 if (stcb == NULL) { 4135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4136 error = ENOENT; 4137 break; 4138 } 4139 if (stcb->asoc.peer_supports_strreset == 0) { 4140 /* 4141 * Peer does not support the chunk type. 4142 */ 4143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4144 error = EOPNOTSUPP; 4145 SCTP_TCB_UNLOCK(stcb); 4146 break; 4147 } 4148 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_STREAM_REQ)) { 4149 /* 4150 * User did not enable the operation. 4151 */ 4152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4153 error = EPERM; 4154 SCTP_TCB_UNLOCK(stcb); 4155 break; 4156 } 4157 if (stcb->asoc.stream_reset_outstanding) { 4158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4159 error = EALREADY; 4160 SCTP_TCB_UNLOCK(stcb); 4161 break; 4162 } 4163 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4164 send_in = 1; 4165 } 4166 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4167 send_out = 1; 4168 } 4169 if ((send_in == 0) && (send_out == 0)) { 4170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4171 error = EINVAL; 4172 SCTP_TCB_UNLOCK(stcb); 4173 break; 4174 } 4175 for (i = 0; i < strrst->srs_number_streams; i++) { 4176 if ((send_in) && 4177 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4179 error = EINVAL; 4180 break; 4181 } 4182 if ((send_out) && 4183 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4185 error = EINVAL; 4186 break; 4187 } 4188 } 4189 if (error) { 4190 SCTP_TCB_UNLOCK(stcb); 4191 break; 4192 } 4193 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4194 strrst->srs_stream_list, 4195 send_out, send_in, 0, 0, 0, 0, 0); 4196 4197 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4198 SCTP_TCB_UNLOCK(stcb); 4199 break; 4200 } 4201 case SCTP_ADD_STREAMS: 4202 { 4203 struct sctp_add_streams *stradd; 4204 uint8_t addstream = 0; 4205 uint16_t add_o_strmcnt = 0; 4206 uint16_t add_i_strmcnt = 0; 4207 4208 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4209 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4210 if (stcb == NULL) { 4211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4212 error = ENOENT; 4213 break; 4214 } 4215 if ((stradd->sas_outstrms == 0) && 4216 (stradd->sas_instrms == 0)) { 4217 error = EINVAL; 4218 goto skip_stuff; 4219 } 4220 if (stradd->sas_outstrms) { 4221 addstream = 1; 4222 /* We allocate here */ 4223 add_o_strmcnt = stradd->sas_outstrms; 4224 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4225 /* You can't have more than 64k */ 4226 error = EINVAL; 4227 goto skip_stuff; 4228 } 4229 } 4230 if (stradd->sas_instrms) { 4231 int cnt; 4232 4233 addstream |= 2; 4234 /* 4235 * We allocate inside 4236 * sctp_send_str_reset_req() 4237 */ 4238 add_i_strmcnt = stradd->sas_instrms; 4239 cnt = add_i_strmcnt; 4240 cnt += stcb->asoc.streamincnt; 4241 if (cnt > 0x0000ffff) { 4242 /* You can't have more than 64k */ 4243 error = EINVAL; 4244 goto skip_stuff; 4245 } 4246 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4247 /* More than you are allowed */ 4248 error = EINVAL; 4249 goto skip_stuff; 4250 } 4251 } 4252 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4253 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4254 skip_stuff: 4255 SCTP_TCB_UNLOCK(stcb); 4256 break; 4257 } 4258 case SCTP_RESET_ASSOC: 4259 { 4260 uint32_t *value; 4261 4262 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4263 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4264 if (stcb == NULL) { 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4266 error = ENOENT; 4267 break; 4268 } 4269 if (stcb->asoc.peer_supports_strreset == 0) { 4270 /* 4271 * Peer does not support the chunk type. 4272 */ 4273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4274 error = EOPNOTSUPP; 4275 SCTP_TCB_UNLOCK(stcb); 4276 break; 4277 } 4278 if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_ASSOC_REQ)) { 4279 /* 4280 * User did not enable the operation. 4281 */ 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 4283 error = EPERM; 4284 SCTP_TCB_UNLOCK(stcb); 4285 break; 4286 } 4287 if (stcb->asoc.stream_reset_outstanding) { 4288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4289 error = EALREADY; 4290 SCTP_TCB_UNLOCK(stcb); 4291 break; 4292 } 4293 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4294 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4295 SCTP_TCB_UNLOCK(stcb); 4296 break; 4297 } 4298 case SCTP_CONNECT_X: 4299 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4301 error = EINVAL; 4302 break; 4303 } 4304 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4305 break; 4306 case SCTP_CONNECT_X_DELAYED: 4307 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4309 error = EINVAL; 4310 break; 4311 } 4312 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4313 break; 4314 case SCTP_CONNECT_X_COMPLETE: 4315 { 4316 struct sockaddr *sa; 4317 struct sctp_nets *net; 4318 4319 /* FIXME MT: check correct? */ 4320 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4321 4322 /* find tcb */ 4323 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4324 SCTP_INP_RLOCK(inp); 4325 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4326 if (stcb) { 4327 SCTP_TCB_LOCK(stcb); 4328 net = sctp_findnet(stcb, sa); 4329 } 4330 SCTP_INP_RUNLOCK(inp); 4331 } else { 4332 /* 4333 * We increment here since 4334 * sctp_findassociation_ep_addr() wil do a 4335 * decrement if it finds the stcb as long as 4336 * the locked tcb (last argument) is NOT a 4337 * TCB.. aka NULL. 4338 */ 4339 SCTP_INP_INCR_REF(inp); 4340 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4341 if (stcb == NULL) { 4342 SCTP_INP_DECR_REF(inp); 4343 } 4344 } 4345 4346 if (stcb == NULL) { 4347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4348 error = ENOENT; 4349 break; 4350 } 4351 if (stcb->asoc.delayed_connection == 1) { 4352 stcb->asoc.delayed_connection = 0; 4353 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4354 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4355 stcb->asoc.primary_destination, 4356 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4357 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4358 } else { 4359 /* 4360 * already expired or did not use delayed 4361 * connectx 4362 */ 4363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4364 error = EALREADY; 4365 } 4366 SCTP_TCB_UNLOCK(stcb); 4367 break; 4368 } 4369 case SCTP_MAX_BURST: 4370 { 4371 struct sctp_assoc_value *av; 4372 4373 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4374 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4375 4376 if (stcb) { 4377 stcb->asoc.max_burst = av->assoc_value; 4378 SCTP_TCB_UNLOCK(stcb); 4379 } else { 4380 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4381 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4382 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4383 (av->assoc_id == SCTP_ALL_ASSOC)) { 4384 SCTP_INP_WLOCK(inp); 4385 inp->sctp_ep.max_burst = av->assoc_value; 4386 SCTP_INP_WUNLOCK(inp); 4387 } 4388 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4389 (av->assoc_id == SCTP_ALL_ASSOC)) { 4390 SCTP_INP_RLOCK(inp); 4391 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4392 SCTP_TCB_LOCK(stcb); 4393 stcb->asoc.max_burst = av->assoc_value; 4394 SCTP_TCB_UNLOCK(stcb); 4395 } 4396 SCTP_INP_RUNLOCK(inp); 4397 } 4398 } 4399 break; 4400 } 4401 case SCTP_MAXSEG: 4402 { 4403 struct sctp_assoc_value *av; 4404 int ovh; 4405 4406 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4407 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4408 4409 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4410 ovh = SCTP_MED_OVERHEAD; 4411 } else { 4412 ovh = SCTP_MED_V4_OVERHEAD; 4413 } 4414 if (stcb) { 4415 if (av->assoc_value) { 4416 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4417 } else { 4418 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4419 } 4420 SCTP_TCB_UNLOCK(stcb); 4421 } else { 4422 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4423 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4424 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4425 SCTP_INP_WLOCK(inp); 4426 /* 4427 * FIXME MT: I think this is not in 4428 * tune with the API ID 4429 */ 4430 if (av->assoc_value) { 4431 inp->sctp_frag_point = (av->assoc_value + ovh); 4432 } else { 4433 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4434 } 4435 SCTP_INP_WUNLOCK(inp); 4436 } else { 4437 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4438 error = EINVAL; 4439 } 4440 } 4441 break; 4442 } 4443 case SCTP_EVENTS: 4444 { 4445 struct sctp_event_subscribe *events; 4446 4447 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4448 4449 SCTP_INP_WLOCK(inp); 4450 if (events->sctp_data_io_event) { 4451 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4452 } else { 4453 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4454 } 4455 4456 if (events->sctp_association_event) { 4457 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4458 } else { 4459 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4460 } 4461 4462 if (events->sctp_address_event) { 4463 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4464 } else { 4465 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4466 } 4467 4468 if (events->sctp_send_failure_event) { 4469 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4470 } else { 4471 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4472 } 4473 4474 if (events->sctp_peer_error_event) { 4475 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4476 } else { 4477 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4478 } 4479 4480 if (events->sctp_shutdown_event) { 4481 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4482 } else { 4483 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4484 } 4485 4486 if (events->sctp_partial_delivery_event) { 4487 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4488 } else { 4489 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4490 } 4491 4492 if (events->sctp_adaptation_layer_event) { 4493 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4494 } else { 4495 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4496 } 4497 4498 if (events->sctp_authentication_event) { 4499 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4500 } else { 4501 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4502 } 4503 4504 if (events->sctp_sender_dry_event) { 4505 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4506 } else { 4507 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4508 } 4509 4510 if (events->sctp_stream_reset_event) { 4511 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4512 } else { 4513 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4514 } 4515 SCTP_INP_WUNLOCK(inp); 4516 4517 SCTP_INP_RLOCK(inp); 4518 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4519 SCTP_TCB_LOCK(stcb); 4520 if (events->sctp_association_event) { 4521 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4522 } else { 4523 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4524 } 4525 if (events->sctp_address_event) { 4526 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4527 } else { 4528 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4529 } 4530 if (events->sctp_send_failure_event) { 4531 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4532 } else { 4533 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4534 } 4535 if (events->sctp_peer_error_event) { 4536 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4537 } else { 4538 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4539 } 4540 if (events->sctp_shutdown_event) { 4541 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4542 } else { 4543 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4544 } 4545 if (events->sctp_partial_delivery_event) { 4546 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4547 } else { 4548 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4549 } 4550 if (events->sctp_adaptation_layer_event) { 4551 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4552 } else { 4553 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4554 } 4555 if (events->sctp_authentication_event) { 4556 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4557 } else { 4558 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4559 } 4560 if (events->sctp_sender_dry_event) { 4561 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4562 } else { 4563 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4564 } 4565 if (events->sctp_stream_reset_event) { 4566 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4567 } else { 4568 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4569 } 4570 SCTP_TCB_UNLOCK(stcb); 4571 } 4572 /* 4573 * Send up the sender dry event only for 1-to-1 4574 * style sockets. 4575 */ 4576 if (events->sctp_sender_dry_event) { 4577 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4578 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4579 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4580 if (stcb) { 4581 SCTP_TCB_LOCK(stcb); 4582 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4583 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4584 (stcb->asoc.stream_queue_cnt == 0)) { 4585 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4586 } 4587 SCTP_TCB_UNLOCK(stcb); 4588 } 4589 } 4590 } 4591 SCTP_INP_RUNLOCK(inp); 4592 break; 4593 } 4594 case SCTP_ADAPTATION_LAYER: 4595 { 4596 struct sctp_setadaptation *adap_bits; 4597 4598 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4599 SCTP_INP_WLOCK(inp); 4600 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4601 SCTP_INP_WUNLOCK(inp); 4602 break; 4603 } 4604 #ifdef SCTP_DEBUG 4605 case SCTP_SET_INITIAL_DBG_SEQ: 4606 { 4607 uint32_t *vvv; 4608 4609 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4610 SCTP_INP_WLOCK(inp); 4611 inp->sctp_ep.initial_sequence_debug = *vvv; 4612 SCTP_INP_WUNLOCK(inp); 4613 break; 4614 } 4615 #endif 4616 case SCTP_DEFAULT_SEND_PARAM: 4617 { 4618 struct sctp_sndrcvinfo *s_info; 4619 4620 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4621 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4622 4623 if (stcb) { 4624 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4625 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4626 } else { 4627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4628 error = EINVAL; 4629 } 4630 SCTP_TCB_UNLOCK(stcb); 4631 } else { 4632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4634 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4635 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4636 SCTP_INP_WLOCK(inp); 4637 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4638 SCTP_INP_WUNLOCK(inp); 4639 } 4640 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4641 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4642 SCTP_INP_RLOCK(inp); 4643 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4644 SCTP_TCB_LOCK(stcb); 4645 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4646 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4647 } 4648 SCTP_TCB_UNLOCK(stcb); 4649 } 4650 SCTP_INP_RUNLOCK(inp); 4651 } 4652 } 4653 break; 4654 } 4655 case SCTP_PEER_ADDR_PARAMS: 4656 { 4657 struct sctp_paddrparams *paddrp; 4658 struct sctp_nets *net; 4659 4660 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4661 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4662 net = NULL; 4663 if (stcb) { 4664 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4665 } else { 4666 /* 4667 * We increment here since 4668 * sctp_findassociation_ep_addr() wil do a 4669 * decrement if it finds the stcb as long as 4670 * the locked tcb (last argument) is NOT a 4671 * TCB.. aka NULL. 4672 */ 4673 SCTP_INP_INCR_REF(inp); 4674 stcb = sctp_findassociation_ep_addr(&inp, 4675 (struct sockaddr *)&paddrp->spp_address, 4676 &net, NULL, NULL); 4677 if (stcb == NULL) { 4678 SCTP_INP_DECR_REF(inp); 4679 } 4680 } 4681 if (stcb && (net == NULL)) { 4682 struct sockaddr *sa; 4683 4684 sa = (struct sockaddr *)&paddrp->spp_address; 4685 #ifdef INET 4686 if (sa->sa_family == AF_INET) { 4687 4688 struct sockaddr_in *sin; 4689 4690 sin = (struct sockaddr_in *)sa; 4691 if (sin->sin_addr.s_addr) { 4692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4693 SCTP_TCB_UNLOCK(stcb); 4694 error = EINVAL; 4695 break; 4696 } 4697 } else 4698 #endif 4699 #ifdef INET6 4700 if (sa->sa_family == AF_INET6) { 4701 struct sockaddr_in6 *sin6; 4702 4703 sin6 = (struct sockaddr_in6 *)sa; 4704 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4706 SCTP_TCB_UNLOCK(stcb); 4707 error = EINVAL; 4708 break; 4709 } 4710 } else 4711 #endif 4712 { 4713 error = EAFNOSUPPORT; 4714 SCTP_TCB_UNLOCK(stcb); 4715 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4716 break; 4717 } 4718 } 4719 /* sanity checks */ 4720 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4721 if (stcb) 4722 SCTP_TCB_UNLOCK(stcb); 4723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4724 return (EINVAL); 4725 } 4726 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4727 if (stcb) 4728 SCTP_TCB_UNLOCK(stcb); 4729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4730 return (EINVAL); 4731 } 4732 if (stcb) { 4733 /************************TCB SPECIFIC SET ******************/ 4734 /* 4735 * do we change the timer for HB, we run 4736 * only one? 4737 */ 4738 int ovh = 0; 4739 4740 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4741 ovh = SCTP_MED_OVERHEAD; 4742 } else { 4743 ovh = SCTP_MED_V4_OVERHEAD; 4744 } 4745 4746 /* network sets ? */ 4747 if (net) { 4748 /************************NET SPECIFIC SET ******************/ 4749 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4750 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4751 !(net->dest_state & SCTP_ADDR_NOHB)) { 4752 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4753 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4754 } 4755 net->dest_state |= SCTP_ADDR_NOHB; 4756 } 4757 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4758 if (paddrp->spp_hbinterval) { 4759 net->heart_beat_delay = paddrp->spp_hbinterval; 4760 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4761 net->heart_beat_delay = 0; 4762 } 4763 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4764 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4765 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4766 net->dest_state &= ~SCTP_ADDR_NOHB; 4767 } 4768 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4769 /* on demand HB */ 4770 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4771 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4772 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4773 } 4774 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4775 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4776 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4777 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4778 } 4779 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4780 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4781 net->mtu = paddrp->spp_pathmtu + ovh; 4782 if (net->mtu < stcb->asoc.smallest_mtu) { 4783 sctp_pathmtu_adjustment(stcb, net->mtu); 4784 } 4785 } 4786 } 4787 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4788 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4789 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4790 } 4791 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4792 } 4793 if (paddrp->spp_pathmaxrxt) { 4794 if (net->dest_state & SCTP_ADDR_PF) { 4795 if (net->error_count > paddrp->spp_pathmaxrxt) { 4796 net->dest_state &= ~SCTP_ADDR_PF; 4797 } 4798 } else { 4799 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4800 (net->error_count > net->pf_threshold)) { 4801 net->dest_state |= SCTP_ADDR_PF; 4802 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4803 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4804 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4805 } 4806 } 4807 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4808 if (net->error_count > paddrp->spp_pathmaxrxt) { 4809 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4810 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4811 } 4812 } else { 4813 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4814 net->dest_state |= SCTP_ADDR_REACHABLE; 4815 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4816 } 4817 } 4818 net->failure_threshold = paddrp->spp_pathmaxrxt; 4819 } 4820 if (paddrp->spp_flags & SPP_DSCP) { 4821 net->dscp = paddrp->spp_dscp & 0xfc; 4822 net->dscp |= 0x01; 4823 } 4824 #ifdef INET6 4825 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4826 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4827 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4828 net->flowlabel |= 0x80000000; 4829 } 4830 } 4831 #endif 4832 } else { 4833 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4834 if (paddrp->spp_pathmaxrxt) { 4835 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4836 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4837 if (net->dest_state & SCTP_ADDR_PF) { 4838 if (net->error_count > paddrp->spp_pathmaxrxt) { 4839 net->dest_state &= ~SCTP_ADDR_PF; 4840 } 4841 } else { 4842 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4843 (net->error_count > net->pf_threshold)) { 4844 net->dest_state |= SCTP_ADDR_PF; 4845 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4846 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4847 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4848 } 4849 } 4850 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4851 if (net->error_count > paddrp->spp_pathmaxrxt) { 4852 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4853 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4854 } 4855 } else { 4856 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4857 net->dest_state |= SCTP_ADDR_REACHABLE; 4858 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4859 } 4860 } 4861 net->failure_threshold = paddrp->spp_pathmaxrxt; 4862 } 4863 } 4864 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4865 if (paddrp->spp_hbinterval) { 4866 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4867 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4868 stcb->asoc.heart_beat_delay = 0; 4869 } 4870 /* Turn back on the timer */ 4871 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4872 if (paddrp->spp_hbinterval) { 4873 net->heart_beat_delay = paddrp->spp_hbinterval; 4874 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4875 net->heart_beat_delay = 0; 4876 } 4877 if (net->dest_state & SCTP_ADDR_NOHB) { 4878 net->dest_state &= ~SCTP_ADDR_NOHB; 4879 } 4880 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4881 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4882 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4883 } 4884 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4885 } 4886 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4887 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4888 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4889 net->dest_state |= SCTP_ADDR_NOHB; 4890 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4891 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4892 } 4893 } 4894 } 4895 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4896 } 4897 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4898 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4899 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4900 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4901 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4902 } 4903 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4904 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4905 net->mtu = paddrp->spp_pathmtu + ovh; 4906 if (net->mtu < stcb->asoc.smallest_mtu) { 4907 sctp_pathmtu_adjustment(stcb, net->mtu); 4908 } 4909 } 4910 } 4911 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4912 } 4913 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4914 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4915 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4916 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4917 } 4918 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4919 } 4920 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4921 } 4922 if (paddrp->spp_flags & SPP_DSCP) { 4923 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4924 net->dscp = paddrp->spp_dscp & 0xfc; 4925 net->dscp |= 0x01; 4926 } 4927 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4928 stcb->asoc.default_dscp |= 0x01; 4929 } 4930 #ifdef INET6 4931 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4932 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4933 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4934 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4935 net->flowlabel |= 0x80000000; 4936 } 4937 } 4938 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4939 stcb->asoc.default_flowlabel |= 0x80000000; 4940 } 4941 #endif 4942 } 4943 SCTP_TCB_UNLOCK(stcb); 4944 } else { 4945 /************************NO TCB, SET TO default stuff ******************/ 4946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4948 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4949 SCTP_INP_WLOCK(inp); 4950 /* 4951 * For the TOS/FLOWLABEL stuff you 4952 * set it with the options on the 4953 * socket 4954 */ 4955 if (paddrp->spp_pathmaxrxt) { 4956 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4957 } 4958 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4959 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4960 else if (paddrp->spp_hbinterval) { 4961 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4962 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4963 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4964 } 4965 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4966 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4967 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4968 } else if (paddrp->spp_hbinterval) { 4969 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4970 } 4971 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4972 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4973 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4974 } 4975 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4976 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4977 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4978 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4979 } 4980 if (paddrp->spp_flags & SPP_DSCP) { 4981 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 4982 inp->sctp_ep.default_dscp |= 0x01; 4983 } 4984 #ifdef INET6 4985 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4986 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4987 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4988 inp->sctp_ep.default_flowlabel |= 0x80000000; 4989 } 4990 } 4991 #endif 4992 SCTP_INP_WUNLOCK(inp); 4993 } else { 4994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4995 error = EINVAL; 4996 } 4997 } 4998 break; 4999 } 5000 case SCTP_RTOINFO: 5001 { 5002 struct sctp_rtoinfo *srto; 5003 uint32_t new_init, new_min, new_max; 5004 5005 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5006 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5007 5008 if (stcb) { 5009 if (srto->srto_initial) 5010 new_init = srto->srto_initial; 5011 else 5012 new_init = stcb->asoc.initial_rto; 5013 if (srto->srto_max) 5014 new_max = srto->srto_max; 5015 else 5016 new_max = stcb->asoc.maxrto; 5017 if (srto->srto_min) 5018 new_min = srto->srto_min; 5019 else 5020 new_min = stcb->asoc.minrto; 5021 if ((new_min <= new_init) && (new_init <= new_max)) { 5022 stcb->asoc.initial_rto = new_init; 5023 stcb->asoc.maxrto = new_max; 5024 stcb->asoc.minrto = new_min; 5025 } else { 5026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5027 error = EINVAL; 5028 } 5029 SCTP_TCB_UNLOCK(stcb); 5030 } else { 5031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5033 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5034 SCTP_INP_WLOCK(inp); 5035 if (srto->srto_initial) 5036 new_init = srto->srto_initial; 5037 else 5038 new_init = inp->sctp_ep.initial_rto; 5039 if (srto->srto_max) 5040 new_max = srto->srto_max; 5041 else 5042 new_max = inp->sctp_ep.sctp_maxrto; 5043 if (srto->srto_min) 5044 new_min = srto->srto_min; 5045 else 5046 new_min = inp->sctp_ep.sctp_minrto; 5047 if ((new_min <= new_init) && (new_init <= new_max)) { 5048 inp->sctp_ep.initial_rto = new_init; 5049 inp->sctp_ep.sctp_maxrto = new_max; 5050 inp->sctp_ep.sctp_minrto = new_min; 5051 } else { 5052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5053 error = EINVAL; 5054 } 5055 SCTP_INP_WUNLOCK(inp); 5056 } else { 5057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5058 error = EINVAL; 5059 } 5060 } 5061 break; 5062 } 5063 case SCTP_ASSOCINFO: 5064 { 5065 struct sctp_assocparams *sasoc; 5066 5067 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5068 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5069 if (sasoc->sasoc_cookie_life) { 5070 /* boundary check the cookie life */ 5071 if (sasoc->sasoc_cookie_life < 1000) 5072 sasoc->sasoc_cookie_life = 1000; 5073 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5074 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5075 } 5076 } 5077 if (stcb) { 5078 if (sasoc->sasoc_asocmaxrxt) 5079 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5080 if (sasoc->sasoc_cookie_life) { 5081 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5082 } 5083 SCTP_TCB_UNLOCK(stcb); 5084 } else { 5085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5087 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5088 SCTP_INP_WLOCK(inp); 5089 if (sasoc->sasoc_asocmaxrxt) 5090 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5091 if (sasoc->sasoc_cookie_life) { 5092 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5093 } 5094 SCTP_INP_WUNLOCK(inp); 5095 } else { 5096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5097 error = EINVAL; 5098 } 5099 } 5100 break; 5101 } 5102 case SCTP_INITMSG: 5103 { 5104 struct sctp_initmsg *sinit; 5105 5106 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5107 SCTP_INP_WLOCK(inp); 5108 if (sinit->sinit_num_ostreams) 5109 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5110 5111 if (sinit->sinit_max_instreams) 5112 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5113 5114 if (sinit->sinit_max_attempts) 5115 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5116 5117 if (sinit->sinit_max_init_timeo) 5118 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5119 SCTP_INP_WUNLOCK(inp); 5120 break; 5121 } 5122 case SCTP_PRIMARY_ADDR: 5123 { 5124 struct sctp_setprim *spa; 5125 struct sctp_nets *net; 5126 5127 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5128 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5129 5130 net = NULL; 5131 if (stcb) { 5132 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5133 } else { 5134 /* 5135 * We increment here since 5136 * sctp_findassociation_ep_addr() wil do a 5137 * decrement if it finds the stcb as long as 5138 * the locked tcb (last argument) is NOT a 5139 * TCB.. aka NULL. 5140 */ 5141 SCTP_INP_INCR_REF(inp); 5142 stcb = sctp_findassociation_ep_addr(&inp, 5143 (struct sockaddr *)&spa->ssp_addr, 5144 &net, NULL, NULL); 5145 if (stcb == NULL) { 5146 SCTP_INP_DECR_REF(inp); 5147 } 5148 } 5149 5150 if ((stcb) && (net)) { 5151 if ((net != stcb->asoc.primary_destination) && 5152 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5153 /* Ok we need to set it */ 5154 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5155 if ((stcb->asoc.alternate) && 5156 (!(net->dest_state & SCTP_ADDR_PF)) && 5157 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5158 sctp_free_remote_addr(stcb->asoc.alternate); 5159 stcb->asoc.alternate = NULL; 5160 } 5161 } 5162 } 5163 } else { 5164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5165 error = EINVAL; 5166 } 5167 if (stcb) { 5168 SCTP_TCB_UNLOCK(stcb); 5169 } 5170 break; 5171 } 5172 case SCTP_SET_DYNAMIC_PRIMARY: 5173 { 5174 union sctp_sockstore *ss; 5175 5176 error = priv_check(curthread, 5177 PRIV_NETINET_RESERVEDPORT); 5178 if (error) 5179 break; 5180 5181 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5182 /* SUPER USER CHECK? */ 5183 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5184 break; 5185 } 5186 case SCTP_SET_PEER_PRIMARY_ADDR: 5187 { 5188 struct sctp_setpeerprim *sspp; 5189 5190 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5191 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5192 if (stcb != NULL) { 5193 struct sctp_ifa *ifa; 5194 5195 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5196 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5197 if (ifa == NULL) { 5198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5199 error = EINVAL; 5200 goto out_of_it; 5201 } 5202 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5203 /* 5204 * Must validate the ifa found is in 5205 * our ep 5206 */ 5207 struct sctp_laddr *laddr; 5208 int found = 0; 5209 5210 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5211 if (laddr->ifa == NULL) { 5212 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5213 __FUNCTION__); 5214 continue; 5215 } 5216 if (laddr->ifa == ifa) { 5217 found = 1; 5218 break; 5219 } 5220 } 5221 if (!found) { 5222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5223 error = EINVAL; 5224 goto out_of_it; 5225 } 5226 } 5227 if (sctp_set_primary_ip_address_sa(stcb, 5228 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5229 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5230 error = EINVAL; 5231 } 5232 out_of_it: 5233 SCTP_TCB_UNLOCK(stcb); 5234 } else { 5235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5236 error = EINVAL; 5237 } 5238 break; 5239 } 5240 case SCTP_BINDX_ADD_ADDR: 5241 { 5242 struct sctp_getaddresses *addrs; 5243 size_t sz; 5244 struct thread *td; 5245 5246 td = (struct thread *)p; 5247 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5248 optsize); 5249 #ifdef INET 5250 if (addrs->addr->sa_family == AF_INET) { 5251 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5252 if (optsize < sz) { 5253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5254 error = EINVAL; 5255 break; 5256 } 5257 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5258 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5259 break; 5260 } 5261 } else 5262 #endif 5263 #ifdef INET6 5264 if (addrs->addr->sa_family == AF_INET6) { 5265 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5266 if (optsize < sz) { 5267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5268 error = EINVAL; 5269 break; 5270 } 5271 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5272 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5273 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5274 break; 5275 } 5276 } else 5277 #endif 5278 { 5279 error = EAFNOSUPPORT; 5280 break; 5281 } 5282 sctp_bindx_add_address(so, inp, addrs->addr, 5283 addrs->sget_assoc_id, vrf_id, 5284 &error, p); 5285 break; 5286 } 5287 case SCTP_BINDX_REM_ADDR: 5288 { 5289 struct sctp_getaddresses *addrs; 5290 size_t sz; 5291 struct thread *td; 5292 5293 td = (struct thread *)p; 5294 5295 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5296 #ifdef INET 5297 if (addrs->addr->sa_family == AF_INET) { 5298 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5299 if (optsize < sz) { 5300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5301 error = EINVAL; 5302 break; 5303 } 5304 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5305 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5306 break; 5307 } 5308 } else 5309 #endif 5310 #ifdef INET6 5311 if (addrs->addr->sa_family == AF_INET6) { 5312 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5313 if (optsize < sz) { 5314 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5315 error = EINVAL; 5316 break; 5317 } 5318 if (td != NULL && 5319 (error = prison_local_ip6(td->td_ucred, 5320 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5321 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5322 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5323 break; 5324 } 5325 } else 5326 #endif 5327 { 5328 error = EAFNOSUPPORT; 5329 break; 5330 } 5331 sctp_bindx_delete_address(inp, addrs->addr, 5332 addrs->sget_assoc_id, vrf_id, 5333 &error); 5334 break; 5335 } 5336 case SCTP_EVENT: 5337 { 5338 struct sctp_event *event; 5339 uint32_t event_type; 5340 5341 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5342 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5343 switch (event->se_type) { 5344 case SCTP_ASSOC_CHANGE: 5345 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5346 break; 5347 case SCTP_PEER_ADDR_CHANGE: 5348 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5349 break; 5350 case SCTP_REMOTE_ERROR: 5351 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5352 break; 5353 case SCTP_SEND_FAILED: 5354 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5355 break; 5356 case SCTP_SHUTDOWN_EVENT: 5357 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5358 break; 5359 case SCTP_ADAPTATION_INDICATION: 5360 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5361 break; 5362 case SCTP_PARTIAL_DELIVERY_EVENT: 5363 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5364 break; 5365 case SCTP_AUTHENTICATION_EVENT: 5366 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5367 break; 5368 case SCTP_STREAM_RESET_EVENT: 5369 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5370 break; 5371 case SCTP_SENDER_DRY_EVENT: 5372 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5373 break; 5374 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5375 event_type = 0; 5376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5377 error = ENOTSUP; 5378 break; 5379 default: 5380 event_type = 0; 5381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5382 error = EINVAL; 5383 break; 5384 } 5385 if (event_type > 0) { 5386 if (stcb) { 5387 if (event->se_on) { 5388 sctp_stcb_feature_on(inp, stcb, event_type); 5389 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5390 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5391 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5392 (stcb->asoc.stream_queue_cnt == 0)) { 5393 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5394 } 5395 } 5396 } else { 5397 sctp_stcb_feature_off(inp, stcb, event_type); 5398 } 5399 SCTP_TCB_UNLOCK(stcb); 5400 } else { 5401 /* 5402 * We don't want to send up a storm 5403 * of events, so return an error for 5404 * sender dry events 5405 */ 5406 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5407 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5408 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5409 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5410 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5412 error = ENOTSUP; 5413 break; 5414 } 5415 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5416 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5417 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5418 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5419 SCTP_INP_WLOCK(inp); 5420 if (event->se_on) { 5421 sctp_feature_on(inp, event_type); 5422 } else { 5423 sctp_feature_off(inp, event_type); 5424 } 5425 SCTP_INP_WUNLOCK(inp); 5426 } 5427 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5428 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5429 SCTP_INP_RLOCK(inp); 5430 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5431 SCTP_TCB_LOCK(stcb); 5432 if (event->se_on) { 5433 sctp_stcb_feature_on(inp, stcb, event_type); 5434 } else { 5435 sctp_stcb_feature_off(inp, stcb, event_type); 5436 } 5437 SCTP_TCB_UNLOCK(stcb); 5438 } 5439 SCTP_INP_RUNLOCK(inp); 5440 } 5441 } 5442 } 5443 break; 5444 } 5445 case SCTP_RECVRCVINFO: 5446 { 5447 int *onoff; 5448 5449 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5450 SCTP_INP_WLOCK(inp); 5451 if (*onoff != 0) { 5452 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5453 } else { 5454 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5455 } 5456 SCTP_INP_WUNLOCK(inp); 5457 break; 5458 } 5459 case SCTP_RECVNXTINFO: 5460 { 5461 int *onoff; 5462 5463 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5464 SCTP_INP_WLOCK(inp); 5465 if (*onoff != 0) { 5466 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5467 } else { 5468 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5469 } 5470 SCTP_INP_WUNLOCK(inp); 5471 break; 5472 } 5473 case SCTP_DEFAULT_SNDINFO: 5474 { 5475 struct sctp_sndinfo *info; 5476 uint16_t policy; 5477 5478 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5479 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5480 5481 if (stcb) { 5482 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5483 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5484 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5485 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5486 stcb->asoc.def_send.sinfo_flags |= policy; 5487 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5488 stcb->asoc.def_send.sinfo_context = info->snd_context; 5489 } else { 5490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5491 error = EINVAL; 5492 } 5493 SCTP_TCB_UNLOCK(stcb); 5494 } else { 5495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5496 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5497 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5498 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5499 SCTP_INP_WLOCK(inp); 5500 inp->def_send.sinfo_stream = info->snd_sid; 5501 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5502 inp->def_send.sinfo_flags = info->snd_flags; 5503 inp->def_send.sinfo_flags |= policy; 5504 inp->def_send.sinfo_ppid = info->snd_ppid; 5505 inp->def_send.sinfo_context = info->snd_context; 5506 SCTP_INP_WUNLOCK(inp); 5507 } 5508 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5509 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5510 SCTP_INP_RLOCK(inp); 5511 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5512 SCTP_TCB_LOCK(stcb); 5513 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5514 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5515 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5516 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5517 stcb->asoc.def_send.sinfo_flags |= policy; 5518 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5519 stcb->asoc.def_send.sinfo_context = info->snd_context; 5520 } 5521 SCTP_TCB_UNLOCK(stcb); 5522 } 5523 SCTP_INP_RUNLOCK(inp); 5524 } 5525 } 5526 break; 5527 } 5528 case SCTP_DEFAULT_PRINFO: 5529 { 5530 struct sctp_default_prinfo *info; 5531 5532 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5533 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5534 5535 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5537 error = EINVAL; 5538 break; 5539 } 5540 if (stcb) { 5541 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5542 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5543 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5544 SCTP_TCB_UNLOCK(stcb); 5545 } else { 5546 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5547 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5548 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5549 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5550 SCTP_INP_WLOCK(inp); 5551 inp->def_send.sinfo_flags &= 0xfff0; 5552 inp->def_send.sinfo_flags |= info->pr_policy; 5553 inp->def_send.sinfo_timetolive = info->pr_value; 5554 SCTP_INP_WUNLOCK(inp); 5555 } 5556 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5557 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5558 SCTP_INP_RLOCK(inp); 5559 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5560 SCTP_TCB_LOCK(stcb); 5561 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5562 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5563 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5564 SCTP_TCB_UNLOCK(stcb); 5565 } 5566 SCTP_INP_RUNLOCK(inp); 5567 } 5568 } 5569 break; 5570 } 5571 case SCTP_PEER_ADDR_THLDS: 5572 /* Applies to the specific association */ 5573 { 5574 struct sctp_paddrthlds *thlds; 5575 struct sctp_nets *net; 5576 5577 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5578 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5579 net = NULL; 5580 if (stcb) { 5581 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5582 } else { 5583 /* 5584 * We increment here since 5585 * sctp_findassociation_ep_addr() wil do a 5586 * decrement if it finds the stcb as long as 5587 * the locked tcb (last argument) is NOT a 5588 * TCB.. aka NULL. 5589 */ 5590 SCTP_INP_INCR_REF(inp); 5591 stcb = sctp_findassociation_ep_addr(&inp, 5592 (struct sockaddr *)&thlds->spt_assoc_id, 5593 &net, NULL, NULL); 5594 if (stcb == NULL) { 5595 SCTP_INP_DECR_REF(inp); 5596 } 5597 } 5598 if (stcb && (net == NULL)) { 5599 struct sockaddr *sa; 5600 5601 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5602 #ifdef INET 5603 if (sa->sa_family == AF_INET) { 5604 5605 struct sockaddr_in *sin; 5606 5607 sin = (struct sockaddr_in *)sa; 5608 if (sin->sin_addr.s_addr) { 5609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5610 SCTP_TCB_UNLOCK(stcb); 5611 error = EINVAL; 5612 break; 5613 } 5614 } else 5615 #endif 5616 #ifdef INET6 5617 if (sa->sa_family == AF_INET6) { 5618 struct sockaddr_in6 *sin6; 5619 5620 sin6 = (struct sockaddr_in6 *)sa; 5621 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5623 SCTP_TCB_UNLOCK(stcb); 5624 error = EINVAL; 5625 break; 5626 } 5627 } else 5628 #endif 5629 { 5630 error = EAFNOSUPPORT; 5631 SCTP_TCB_UNLOCK(stcb); 5632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5633 break; 5634 } 5635 } 5636 if (stcb) { 5637 if (net) { 5638 if (net->dest_state & SCTP_ADDR_PF) { 5639 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5640 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5641 net->dest_state &= ~SCTP_ADDR_PF; 5642 } 5643 } else { 5644 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5645 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5646 net->dest_state |= SCTP_ADDR_PF; 5647 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5648 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5649 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5650 } 5651 } 5652 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5653 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5654 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5655 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5656 } 5657 } else { 5658 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5659 net->dest_state |= SCTP_ADDR_REACHABLE; 5660 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5661 } 5662 } 5663 net->failure_threshold = thlds->spt_pathmaxrxt; 5664 net->pf_threshold = thlds->spt_pathpfthld; 5665 } else { 5666 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5667 if (net->dest_state & SCTP_ADDR_PF) { 5668 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5669 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5670 net->dest_state &= ~SCTP_ADDR_PF; 5671 } 5672 } else { 5673 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5674 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5675 net->dest_state |= SCTP_ADDR_PF; 5676 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5677 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5678 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5679 } 5680 } 5681 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5682 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5683 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5684 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5685 } 5686 } else { 5687 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5688 net->dest_state |= SCTP_ADDR_REACHABLE; 5689 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5690 } 5691 } 5692 net->failure_threshold = thlds->spt_pathmaxrxt; 5693 net->pf_threshold = thlds->spt_pathpfthld; 5694 } 5695 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5696 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5697 } 5698 } else { 5699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5700 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5701 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5702 SCTP_INP_WLOCK(inp); 5703 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5704 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5705 SCTP_INP_WUNLOCK(inp); 5706 } else { 5707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5708 error = EINVAL; 5709 } 5710 } 5711 break; 5712 } 5713 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5714 { 5715 struct sctp_udpencaps *encaps; 5716 struct sctp_nets *net; 5717 5718 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5719 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5720 if (stcb) { 5721 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5722 } else { 5723 /* 5724 * We increment here since 5725 * sctp_findassociation_ep_addr() wil do a 5726 * decrement if it finds the stcb as long as 5727 * the locked tcb (last argument) is NOT a 5728 * TCB.. aka NULL. 5729 */ 5730 net = NULL; 5731 SCTP_INP_INCR_REF(inp); 5732 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5733 if (stcb == NULL) { 5734 SCTP_INP_DECR_REF(inp); 5735 } 5736 } 5737 if (stcb && (net == NULL)) { 5738 struct sockaddr *sa; 5739 5740 sa = (struct sockaddr *)&encaps->sue_address; 5741 #ifdef INET 5742 if (sa->sa_family == AF_INET) { 5743 5744 struct sockaddr_in *sin; 5745 5746 sin = (struct sockaddr_in *)sa; 5747 if (sin->sin_addr.s_addr) { 5748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5749 SCTP_TCB_UNLOCK(stcb); 5750 error = EINVAL; 5751 break; 5752 } 5753 } else 5754 #endif 5755 #ifdef INET6 5756 if (sa->sa_family == AF_INET6) { 5757 struct sockaddr_in6 *sin6; 5758 5759 sin6 = (struct sockaddr_in6 *)sa; 5760 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5762 SCTP_TCB_UNLOCK(stcb); 5763 error = EINVAL; 5764 break; 5765 } 5766 } else 5767 #endif 5768 { 5769 error = EAFNOSUPPORT; 5770 SCTP_TCB_UNLOCK(stcb); 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5772 break; 5773 } 5774 } 5775 if (stcb) { 5776 if (net) { 5777 net->port = encaps->sue_port; 5778 } else { 5779 stcb->asoc.port = encaps->sue_port; 5780 } 5781 SCTP_TCB_UNLOCK(stcb); 5782 } else { 5783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5785 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5786 SCTP_INP_WLOCK(inp); 5787 inp->sctp_ep.port = encaps->sue_port; 5788 SCTP_INP_WUNLOCK(inp); 5789 } else { 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5791 error = EINVAL; 5792 } 5793 } 5794 break; 5795 } 5796 default: 5797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5798 error = ENOPROTOOPT; 5799 break; 5800 } /* end switch (opt) */ 5801 return (error); 5802 } 5803 5804 int 5805 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5806 { 5807 void *optval = NULL; 5808 size_t optsize = 0; 5809 struct sctp_inpcb *inp; 5810 void *p; 5811 int error = 0; 5812 5813 if (sopt->sopt_level != IPPROTO_SCTP) { 5814 /* wrong proto level... send back up to IP */ 5815 #ifdef INET6 5816 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5817 error = ip6_ctloutput(so, sopt); 5818 #endif /* INET6 */ 5819 #if defined(INET) && defined (INET6) 5820 else 5821 #endif 5822 #ifdef INET 5823 error = ip_ctloutput(so, sopt); 5824 #endif 5825 return (error); 5826 } 5827 inp = (struct sctp_inpcb *)so->so_pcb; 5828 optsize = sopt->sopt_valsize; 5829 if (optsize) { 5830 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5831 if (optval == NULL) { 5832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5833 return (ENOBUFS); 5834 } 5835 error = sooptcopyin(sopt, optval, optsize, optsize); 5836 if (error) { 5837 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5838 goto out; 5839 } 5840 } 5841 p = (void *)sopt->sopt_td; 5842 if (sopt->sopt_dir == SOPT_SET) { 5843 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5844 } else if (sopt->sopt_dir == SOPT_GET) { 5845 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5846 } else { 5847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5848 error = EINVAL; 5849 } 5850 if ((error == 0) && (optval != NULL)) { 5851 error = sooptcopyout(sopt, optval, optsize); 5852 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5853 } else if (optval != NULL) { 5854 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5855 } 5856 out: 5857 return (error); 5858 } 5859 5860 #ifdef INET 5861 static int 5862 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5863 { 5864 int error = 0; 5865 int create_lock_on = 0; 5866 uint32_t vrf_id; 5867 struct sctp_inpcb *inp; 5868 struct sctp_tcb *stcb = NULL; 5869 5870 inp = (struct sctp_inpcb *)so->so_pcb; 5871 if (inp == NULL) { 5872 /* I made the same as TCP since we are not setup? */ 5873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5874 return (ECONNRESET); 5875 } 5876 if (addr == NULL) { 5877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5878 return EINVAL; 5879 } 5880 switch (addr->sa_family) { 5881 #ifdef INET6 5882 case AF_INET6: 5883 { 5884 struct sockaddr_in6 *sin6p; 5885 5886 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 return (EINVAL); 5889 } 5890 sin6p = (struct sockaddr_in6 *)addr; 5891 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5893 return (error); 5894 } 5895 break; 5896 } 5897 #endif 5898 #ifdef INET 5899 case AF_INET: 5900 { 5901 struct sockaddr_in *sinp; 5902 5903 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5905 return (EINVAL); 5906 } 5907 sinp = (struct sockaddr_in *)addr; 5908 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5910 return (error); 5911 } 5912 break; 5913 } 5914 #endif 5915 default: 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5917 return (EAFNOSUPPORT); 5918 } 5919 SCTP_INP_INCR_REF(inp); 5920 SCTP_ASOC_CREATE_LOCK(inp); 5921 create_lock_on = 1; 5922 5923 5924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5925 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5926 /* Should I really unlock ? */ 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5928 error = EFAULT; 5929 goto out_now; 5930 } 5931 #ifdef INET6 5932 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5933 (addr->sa_family == AF_INET6)) { 5934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5935 error = EINVAL; 5936 goto out_now; 5937 } 5938 #endif /* INET6 */ 5939 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5940 SCTP_PCB_FLAGS_UNBOUND) { 5941 /* Bind a ephemeral port */ 5942 error = sctp_inpcb_bind(so, NULL, NULL, p); 5943 if (error) { 5944 goto out_now; 5945 } 5946 } 5947 /* Now do we connect? */ 5948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5949 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5951 error = EINVAL; 5952 goto out_now; 5953 } 5954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5955 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5956 /* We are already connected AND the TCP model */ 5957 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5958 error = EADDRINUSE; 5959 goto out_now; 5960 } 5961 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5962 SCTP_INP_RLOCK(inp); 5963 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5964 SCTP_INP_RUNLOCK(inp); 5965 } else { 5966 /* 5967 * We increment here since sctp_findassociation_ep_addr() 5968 * will do a decrement if it finds the stcb as long as the 5969 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5970 */ 5971 SCTP_INP_INCR_REF(inp); 5972 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5973 if (stcb == NULL) { 5974 SCTP_INP_DECR_REF(inp); 5975 } else { 5976 SCTP_TCB_UNLOCK(stcb); 5977 } 5978 } 5979 if (stcb != NULL) { 5980 /* Already have or am bring up an association */ 5981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5982 error = EALREADY; 5983 goto out_now; 5984 } 5985 vrf_id = inp->def_vrf_id; 5986 /* We are GOOD to go */ 5987 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 5988 if (stcb == NULL) { 5989 /* Gak! no memory */ 5990 goto out_now; 5991 } 5992 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 5993 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 5994 /* Set the connected flag so we can queue data */ 5995 soisconnecting(so); 5996 } 5997 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 5998 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 5999 6000 /* initialize authentication parameters for the assoc */ 6001 sctp_initialize_auth_params(inp, stcb); 6002 6003 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6004 SCTP_TCB_UNLOCK(stcb); 6005 out_now: 6006 if (create_lock_on) { 6007 SCTP_ASOC_CREATE_UNLOCK(inp); 6008 } 6009 SCTP_INP_DECR_REF(inp); 6010 return (error); 6011 } 6012 6013 #endif 6014 6015 int 6016 sctp_listen(struct socket *so, int backlog, struct thread *p) 6017 { 6018 /* 6019 * Note this module depends on the protocol processing being called 6020 * AFTER any socket level flags and backlog are applied to the 6021 * socket. The traditional way that the socket flags are applied is 6022 * AFTER protocol processing. We have made a change to the 6023 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6024 * place if the socket API for SCTP is to work properly. 6025 */ 6026 6027 int error = 0; 6028 struct sctp_inpcb *inp; 6029 6030 inp = (struct sctp_inpcb *)so->so_pcb; 6031 if (inp == NULL) { 6032 /* I made the same as TCP since we are not setup? */ 6033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6034 return (ECONNRESET); 6035 } 6036 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6037 /* See if we have a listener */ 6038 struct sctp_inpcb *tinp; 6039 union sctp_sockstore store, *sp; 6040 6041 sp = &store; 6042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6043 /* not bound all */ 6044 struct sctp_laddr *laddr; 6045 6046 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6047 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6048 switch (sp->sa.sa_family) { 6049 #ifdef INET 6050 case AF_INET: 6051 sp->sin.sin_port = inp->sctp_lport; 6052 break; 6053 #endif 6054 #ifdef INET6 6055 case AF_INET6: 6056 sp->sin6.sin6_port = inp->sctp_lport; 6057 break; 6058 #endif 6059 default: 6060 break; 6061 } 6062 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6063 if (tinp && (tinp != inp) && 6064 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6065 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6066 (tinp->sctp_socket->so_qlimit)) { 6067 /* 6068 * we have a listener already and 6069 * its not this inp. 6070 */ 6071 SCTP_INP_DECR_REF(tinp); 6072 return (EADDRINUSE); 6073 } else if (tinp) { 6074 SCTP_INP_DECR_REF(tinp); 6075 } 6076 } 6077 } else { 6078 /* Setup a local addr bound all */ 6079 memset(&store, 0, sizeof(store)); 6080 switch (sp->sa.sa_family) { 6081 #ifdef INET 6082 case AF_INET: 6083 store.sin.sin_port = inp->sctp_lport; 6084 break; 6085 #endif 6086 #ifdef INET6 6087 case AF_INET6: 6088 sp->sin6.sin6_port = inp->sctp_lport; 6089 break; 6090 #endif 6091 default: 6092 break; 6093 } 6094 #ifdef INET6 6095 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6096 store.sa.sa_family = AF_INET6; 6097 store.sa.sa_len = sizeof(struct sockaddr_in6); 6098 } 6099 #endif 6100 #ifdef INET 6101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6102 store.sa.sa_family = AF_INET; 6103 store.sa.sa_len = sizeof(struct sockaddr_in); 6104 } 6105 #endif 6106 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6107 if (tinp && (tinp != inp) && 6108 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6109 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6110 (tinp->sctp_socket->so_qlimit)) { 6111 /* 6112 * we have a listener already and its not 6113 * this inp. 6114 */ 6115 SCTP_INP_DECR_REF(tinp); 6116 return (EADDRINUSE); 6117 } else if (tinp) { 6118 SCTP_INP_DECR_REF(inp); 6119 } 6120 } 6121 } 6122 SCTP_INP_RLOCK(inp); 6123 #ifdef SCTP_LOCK_LOGGING 6124 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6125 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6126 } 6127 #endif 6128 SOCK_LOCK(so); 6129 error = solisten_proto_check(so); 6130 if (error) { 6131 SOCK_UNLOCK(so); 6132 SCTP_INP_RUNLOCK(inp); 6133 return (error); 6134 } 6135 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6136 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6137 /* 6138 * The unlucky case - We are in the tcp pool with this guy. 6139 * - Someone else is in the main inp slot. - We must move 6140 * this guy (the listener) to the main slot - We must then 6141 * move the guy that was listener to the TCP Pool. 6142 */ 6143 if (sctp_swap_inpcb_for_listen(inp)) { 6144 goto in_use; 6145 } 6146 } 6147 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6148 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6149 /* We are already connected AND the TCP model */ 6150 in_use: 6151 SCTP_INP_RUNLOCK(inp); 6152 SOCK_UNLOCK(so); 6153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6154 return (EADDRINUSE); 6155 } 6156 SCTP_INP_RUNLOCK(inp); 6157 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6158 /* We must do a bind. */ 6159 SOCK_UNLOCK(so); 6160 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6161 /* bind error, probably perm */ 6162 return (error); 6163 } 6164 SOCK_LOCK(so); 6165 } 6166 /* It appears for 7.0 and on, we must always call this. */ 6167 solisten_proto(so, backlog); 6168 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6169 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6170 so->so_options &= ~SO_ACCEPTCONN; 6171 } 6172 if (backlog == 0) { 6173 /* turning off listen */ 6174 so->so_options &= ~SO_ACCEPTCONN; 6175 } 6176 SOCK_UNLOCK(so); 6177 return (error); 6178 } 6179 6180 static int sctp_defered_wakeup_cnt = 0; 6181 6182 int 6183 sctp_accept(struct socket *so, struct sockaddr **addr) 6184 { 6185 struct sctp_tcb *stcb; 6186 struct sctp_inpcb *inp; 6187 union sctp_sockstore store; 6188 6189 #ifdef INET6 6190 int error; 6191 6192 #endif 6193 inp = (struct sctp_inpcb *)so->so_pcb; 6194 6195 if (inp == NULL) { 6196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6197 return (ECONNRESET); 6198 } 6199 SCTP_INP_RLOCK(inp); 6200 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6201 SCTP_INP_RUNLOCK(inp); 6202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6203 return (EOPNOTSUPP); 6204 } 6205 if (so->so_state & SS_ISDISCONNECTED) { 6206 SCTP_INP_RUNLOCK(inp); 6207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6208 return (ECONNABORTED); 6209 } 6210 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6211 if (stcb == NULL) { 6212 SCTP_INP_RUNLOCK(inp); 6213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6214 return (ECONNRESET); 6215 } 6216 SCTP_TCB_LOCK(stcb); 6217 SCTP_INP_RUNLOCK(inp); 6218 store = stcb->asoc.primary_destination->ro._l_addr; 6219 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6220 SCTP_TCB_UNLOCK(stcb); 6221 switch (store.sa.sa_family) { 6222 #ifdef INET 6223 case AF_INET: 6224 { 6225 struct sockaddr_in *sin; 6226 6227 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6228 if (sin == NULL) 6229 return (ENOMEM); 6230 sin->sin_family = AF_INET; 6231 sin->sin_len = sizeof(*sin); 6232 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6233 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6234 *addr = (struct sockaddr *)sin; 6235 break; 6236 } 6237 #endif 6238 #ifdef INET6 6239 case AF_INET6: 6240 { 6241 struct sockaddr_in6 *sin6; 6242 6243 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6244 if (sin6 == NULL) 6245 return (ENOMEM); 6246 sin6->sin6_family = AF_INET6; 6247 sin6->sin6_len = sizeof(*sin6); 6248 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6249 6250 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6251 if ((error = sa6_recoverscope(sin6)) != 0) { 6252 SCTP_FREE_SONAME(sin6); 6253 return (error); 6254 } 6255 *addr = (struct sockaddr *)sin6; 6256 break; 6257 } 6258 #endif 6259 default: 6260 /* TSNH */ 6261 break; 6262 } 6263 /* Wake any delayed sleep action */ 6264 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6265 SCTP_INP_WLOCK(inp); 6266 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6267 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6268 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6269 SCTP_INP_WUNLOCK(inp); 6270 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6271 if (sowriteable(inp->sctp_socket)) { 6272 sowwakeup_locked(inp->sctp_socket); 6273 } else { 6274 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6275 } 6276 SCTP_INP_WLOCK(inp); 6277 } 6278 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6279 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6280 SCTP_INP_WUNLOCK(inp); 6281 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6282 if (soreadable(inp->sctp_socket)) { 6283 sctp_defered_wakeup_cnt++; 6284 sorwakeup_locked(inp->sctp_socket); 6285 } else { 6286 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6287 } 6288 SCTP_INP_WLOCK(inp); 6289 } 6290 SCTP_INP_WUNLOCK(inp); 6291 } 6292 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6293 SCTP_TCB_LOCK(stcb); 6294 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6295 } 6296 return (0); 6297 } 6298 6299 #ifdef INET 6300 int 6301 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6302 { 6303 struct sockaddr_in *sin; 6304 uint32_t vrf_id; 6305 struct sctp_inpcb *inp; 6306 struct sctp_ifa *sctp_ifa; 6307 6308 /* 6309 * Do the malloc first in case it blocks. 6310 */ 6311 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6312 if (sin == NULL) 6313 return (ENOMEM); 6314 sin->sin_family = AF_INET; 6315 sin->sin_len = sizeof(*sin); 6316 inp = (struct sctp_inpcb *)so->so_pcb; 6317 if (!inp) { 6318 SCTP_FREE_SONAME(sin); 6319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6320 return (ECONNRESET); 6321 } 6322 SCTP_INP_RLOCK(inp); 6323 sin->sin_port = inp->sctp_lport; 6324 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6325 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6326 struct sctp_tcb *stcb; 6327 struct sockaddr_in *sin_a; 6328 struct sctp_nets *net; 6329 int fnd; 6330 6331 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6332 if (stcb == NULL) { 6333 goto notConn; 6334 } 6335 fnd = 0; 6336 sin_a = NULL; 6337 SCTP_TCB_LOCK(stcb); 6338 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6339 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6340 if (sin_a == NULL) 6341 /* this will make coverity happy */ 6342 continue; 6343 6344 if (sin_a->sin_family == AF_INET) { 6345 fnd = 1; 6346 break; 6347 } 6348 } 6349 if ((!fnd) || (sin_a == NULL)) { 6350 /* punt */ 6351 SCTP_TCB_UNLOCK(stcb); 6352 goto notConn; 6353 } 6354 vrf_id = inp->def_vrf_id; 6355 sctp_ifa = sctp_source_address_selection(inp, 6356 stcb, 6357 (sctp_route_t *) & net->ro, 6358 net, 0, vrf_id); 6359 if (sctp_ifa) { 6360 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6361 sctp_free_ifa(sctp_ifa); 6362 } 6363 SCTP_TCB_UNLOCK(stcb); 6364 } else { 6365 /* For the bound all case you get back 0 */ 6366 notConn: 6367 sin->sin_addr.s_addr = 0; 6368 } 6369 6370 } else { 6371 /* Take the first IPv4 address in the list */ 6372 struct sctp_laddr *laddr; 6373 int fnd = 0; 6374 6375 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6376 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6377 struct sockaddr_in *sin_a; 6378 6379 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6380 sin->sin_addr = sin_a->sin_addr; 6381 fnd = 1; 6382 break; 6383 } 6384 } 6385 if (!fnd) { 6386 SCTP_FREE_SONAME(sin); 6387 SCTP_INP_RUNLOCK(inp); 6388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6389 return (ENOENT); 6390 } 6391 } 6392 SCTP_INP_RUNLOCK(inp); 6393 (*addr) = (struct sockaddr *)sin; 6394 return (0); 6395 } 6396 6397 int 6398 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6399 { 6400 struct sockaddr_in *sin; 6401 int fnd; 6402 struct sockaddr_in *sin_a; 6403 struct sctp_inpcb *inp; 6404 struct sctp_tcb *stcb; 6405 struct sctp_nets *net; 6406 6407 /* Do the malloc first in case it blocks. */ 6408 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6409 if (sin == NULL) 6410 return (ENOMEM); 6411 sin->sin_family = AF_INET; 6412 sin->sin_len = sizeof(*sin); 6413 6414 inp = (struct sctp_inpcb *)so->so_pcb; 6415 if ((inp == NULL) || 6416 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6417 /* UDP type and listeners will drop out here */ 6418 SCTP_FREE_SONAME(sin); 6419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6420 return (ENOTCONN); 6421 } 6422 SCTP_INP_RLOCK(inp); 6423 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6424 if (stcb) { 6425 SCTP_TCB_LOCK(stcb); 6426 } 6427 SCTP_INP_RUNLOCK(inp); 6428 if (stcb == NULL) { 6429 SCTP_FREE_SONAME(sin); 6430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6431 return (ECONNRESET); 6432 } 6433 fnd = 0; 6434 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6435 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6436 if (sin_a->sin_family == AF_INET) { 6437 fnd = 1; 6438 sin->sin_port = stcb->rport; 6439 sin->sin_addr = sin_a->sin_addr; 6440 break; 6441 } 6442 } 6443 SCTP_TCB_UNLOCK(stcb); 6444 if (!fnd) { 6445 /* No IPv4 address */ 6446 SCTP_FREE_SONAME(sin); 6447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6448 return (ENOENT); 6449 } 6450 (*addr) = (struct sockaddr *)sin; 6451 return (0); 6452 } 6453 6454 #ifdef INET 6455 struct pr_usrreqs sctp_usrreqs = { 6456 .pru_abort = sctp_abort, 6457 .pru_accept = sctp_accept, 6458 .pru_attach = sctp_attach, 6459 .pru_bind = sctp_bind, 6460 .pru_connect = sctp_connect, 6461 .pru_control = in_control, 6462 .pru_close = sctp_close, 6463 .pru_detach = sctp_close, 6464 .pru_sopoll = sopoll_generic, 6465 .pru_flush = sctp_flush, 6466 .pru_disconnect = sctp_disconnect, 6467 .pru_listen = sctp_listen, 6468 .pru_peeraddr = sctp_peeraddr, 6469 .pru_send = sctp_sendm, 6470 .pru_shutdown = sctp_shutdown, 6471 .pru_sockaddr = sctp_ingetaddr, 6472 .pru_sosend = sctp_sosend, 6473 .pru_soreceive = sctp_soreceive 6474 }; 6475 6476 #endif 6477 #endif 6478