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 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 90 #endif 91 92 93 } 94 95 void 96 sctp_finish(void) 97 { 98 sctp_pcb_finish(); 99 } 100 101 102 103 void 104 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 105 { 106 struct sctp_tmit_chunk *chk; 107 uint16_t overhead; 108 109 /* Adjust that too */ 110 stcb->asoc.smallest_mtu = nxtsz; 111 /* now off to subtract IP_DF flag if needed */ 112 overhead = IP_HDR_SIZE; 113 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 114 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 115 } 116 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 117 if ((chk->send_size + overhead) > nxtsz) { 118 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 119 } 120 } 121 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 122 if ((chk->send_size + overhead) > nxtsz) { 123 /* 124 * For this guy we also mark for immediate resend 125 * since we sent to big of chunk 126 */ 127 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 128 if (chk->sent < SCTP_DATAGRAM_RESEND) { 129 sctp_flight_size_decrease(chk); 130 sctp_total_flight_decrease(stcb, chk); 131 } 132 if (chk->sent != SCTP_DATAGRAM_RESEND) { 133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 134 } 135 chk->sent = SCTP_DATAGRAM_RESEND; 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uintptr_t) chk->whoTo, 142 chk->rec.data.TSN_seq); 143 } 144 /* Clear any time so NO RTT is being done */ 145 chk->do_rtt = 0; 146 } 147 } 148 } 149 150 #ifdef INET 151 static void 152 sctp_notify_mbuf(struct sctp_inpcb *inp, 153 struct sctp_tcb *stcb, 154 struct sctp_nets *net, 155 struct ip *ip, 156 struct sctphdr *sh) 157 { 158 struct icmp *icmph; 159 int totsz, tmr_stopped = 0; 160 uint16_t nxtsz; 161 162 /* protection */ 163 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 164 (ip == NULL) || (sh == NULL)) { 165 if (stcb != NULL) { 166 SCTP_TCB_UNLOCK(stcb); 167 } 168 return; 169 } 170 /* First job is to verify the vtag matches what I would send */ 171 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 172 SCTP_TCB_UNLOCK(stcb); 173 return; 174 } 175 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 176 sizeof(struct ip))); 177 if (icmph->icmp_type != ICMP_UNREACH) { 178 /* We only care about unreachable */ 179 SCTP_TCB_UNLOCK(stcb); 180 return; 181 } 182 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 183 /* not a unreachable message due to frag. */ 184 SCTP_TCB_UNLOCK(stcb); 185 return; 186 } 187 totsz = ip->ip_len; 188 189 nxtsz = ntohs(icmph->icmp_nextmtu); 190 if (nxtsz == 0) { 191 /* 192 * old type router that does not tell us what the next size 193 * mtu is. Rats we will have to guess (in a educated fashion 194 * of course) 195 */ 196 nxtsz = sctp_get_prev_mtu(totsz); 197 } 198 /* Stop any PMTU timer */ 199 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 200 tmr_stopped = 1; 201 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 202 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 203 } 204 /* Adjust destination size limit */ 205 if (net->mtu > nxtsz) { 206 net->mtu = nxtsz; 207 if (net->port) { 208 net->mtu -= sizeof(struct udphdr); 209 } 210 } 211 /* now what about the ep? */ 212 if (stcb->asoc.smallest_mtu > nxtsz) { 213 sctp_pathmtu_adjustment(stcb, nxtsz); 214 } 215 if (tmr_stopped) 216 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 217 218 SCTP_TCB_UNLOCK(stcb); 219 } 220 221 #endif 222 223 void 224 sctp_notify(struct sctp_inpcb *inp, 225 struct ip *ip, 226 struct sctphdr *sh, 227 struct sockaddr *to, 228 struct sctp_tcb *stcb, 229 struct sctp_nets *net) 230 { 231 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 232 struct socket *so; 233 234 #endif 235 /* protection */ 236 int reason; 237 struct icmp *icmph; 238 239 240 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 241 (sh == NULL) || (to == NULL)) { 242 if (stcb) 243 SCTP_TCB_UNLOCK(stcb); 244 return; 245 } 246 /* First job is to verify the vtag matches what I would send */ 247 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 248 SCTP_TCB_UNLOCK(stcb); 249 return; 250 } 251 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 252 sizeof(struct ip))); 253 if (icmph->icmp_type != ICMP_UNREACH) { 254 /* We only care about unreachable */ 255 SCTP_TCB_UNLOCK(stcb); 256 return; 257 } 258 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 259 (icmph->icmp_code == ICMP_UNREACH_HOST) || 260 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 261 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 262 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 263 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 264 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 265 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 266 267 /* 268 * Hmm reachablity problems we must examine closely. If its 269 * not reachable, we may have lost a network. Or if there is 270 * NO protocol at the other end named SCTP. well we consider 271 * it a OOTB abort. 272 */ 273 if (net->dest_state & SCTP_ADDR_REACHABLE) { 274 /* Ok that destination is NOT reachable */ 275 net->dest_state &= ~SCTP_ADDR_REACHABLE; 276 net->dest_state &= ~SCTP_ADDR_PF; 277 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 278 stcb, SCTP_FAILED_THRESHOLD, 279 (void *)net, SCTP_SO_NOT_LOCKED); 280 } 281 SCTP_TCB_UNLOCK(stcb); 282 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 283 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 284 /* 285 * Here the peer is either playing tricks on us, including 286 * an address that belongs to someone who does not support 287 * SCTP OR was a userland implementation that shutdown and 288 * now is dead. In either case treat it like a OOTB abort 289 * with no TCB 290 */ 291 reason = SCTP_PEER_FAULTY; 292 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 293 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 294 so = SCTP_INP_SO(inp); 295 atomic_add_int(&stcb->asoc.refcnt, 1); 296 SCTP_TCB_UNLOCK(stcb); 297 SCTP_SOCKET_LOCK(so, 1); 298 SCTP_TCB_LOCK(stcb); 299 atomic_subtract_int(&stcb->asoc.refcnt, 1); 300 #endif 301 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 302 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 303 SCTP_SOCKET_UNLOCK(so, 1); 304 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 305 #endif 306 /* no need to unlock here, since the TCB is gone */ 307 } else { 308 SCTP_TCB_UNLOCK(stcb); 309 } 310 } 311 312 #ifdef INET 313 void 314 sctp_ctlinput(cmd, sa, vip) 315 int cmd; 316 struct sockaddr *sa; 317 void *vip; 318 { 319 struct ip *ip = vip; 320 struct sctphdr *sh; 321 uint32_t vrf_id; 322 323 /* FIX, for non-bsd is this right? */ 324 vrf_id = SCTP_DEFAULT_VRFID; 325 if (sa->sa_family != AF_INET || 326 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 327 return; 328 } 329 if (PRC_IS_REDIRECT(cmd)) { 330 ip = 0; 331 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 332 return; 333 } 334 if (ip) { 335 struct sctp_inpcb *inp = NULL; 336 struct sctp_tcb *stcb = NULL; 337 struct sctp_nets *net = NULL; 338 struct sockaddr_in to, from; 339 340 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 341 bzero(&to, sizeof(to)); 342 bzero(&from, sizeof(from)); 343 from.sin_family = to.sin_family = AF_INET; 344 from.sin_len = to.sin_len = sizeof(to); 345 from.sin_port = sh->src_port; 346 from.sin_addr = ip->ip_src; 347 to.sin_port = sh->dest_port; 348 to.sin_addr = ip->ip_dst; 349 350 /* 351 * 'to' holds the dest of the packet that failed to be sent. 352 * 'from' holds our local endpoint address. Thus we reverse 353 * the to and the from in the lookup. 354 */ 355 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 356 (struct sockaddr *)&to, 357 &inp, &net, 1, vrf_id); 358 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 359 if (cmd != PRC_MSGSIZE) { 360 sctp_notify(inp, ip, sh, 361 (struct sockaddr *)&to, stcb, 362 net); 363 } else { 364 /* handle possible ICMP size messages */ 365 sctp_notify_mbuf(inp, stcb, net, ip, sh); 366 } 367 } else { 368 if ((stcb == NULL) && (inp != NULL)) { 369 /* reduce ref-count */ 370 SCTP_INP_WLOCK(inp); 371 SCTP_INP_DECR_REF(inp); 372 SCTP_INP_WUNLOCK(inp); 373 } 374 if (stcb) { 375 SCTP_TCB_UNLOCK(stcb); 376 } 377 } 378 } 379 return; 380 } 381 382 #endif 383 384 static int 385 sctp_getcred(SYSCTL_HANDLER_ARGS) 386 { 387 struct xucred xuc; 388 struct sockaddr_in addrs[2]; 389 struct sctp_inpcb *inp; 390 struct sctp_nets *net; 391 struct sctp_tcb *stcb; 392 int error; 393 uint32_t vrf_id; 394 395 /* FIX, for non-bsd is this right? */ 396 vrf_id = SCTP_DEFAULT_VRFID; 397 398 error = priv_check(req->td, PRIV_NETINET_GETCRED); 399 400 if (error) 401 return (error); 402 403 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 404 if (error) 405 return (error); 406 407 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 408 sintosa(&addrs[1]), 409 &inp, &net, 1, vrf_id); 410 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 411 if ((inp != NULL) && (stcb == NULL)) { 412 /* reduce ref-count */ 413 SCTP_INP_WLOCK(inp); 414 SCTP_INP_DECR_REF(inp); 415 goto cred_can_cont; 416 } 417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 418 error = ENOENT; 419 goto out; 420 } 421 SCTP_TCB_UNLOCK(stcb); 422 /* 423 * We use the write lock here, only since in the error leg we need 424 * it. If we used RLOCK, then we would have to 425 * wlock/decr/unlock/rlock. Which in theory could create a hole. 426 * Better to use higher wlock. 427 */ 428 SCTP_INP_WLOCK(inp); 429 cred_can_cont: 430 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 431 if (error) { 432 SCTP_INP_WUNLOCK(inp); 433 goto out; 434 } 435 cru2x(inp->sctp_socket->so_cred, &xuc); 436 SCTP_INP_WUNLOCK(inp); 437 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 438 out: 439 return (error); 440 } 441 442 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 443 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 444 445 446 #ifdef INET 447 static void 448 sctp_abort(struct socket *so) 449 { 450 struct sctp_inpcb *inp; 451 uint32_t flags; 452 453 inp = (struct sctp_inpcb *)so->so_pcb; 454 if (inp == 0) { 455 return; 456 } 457 sctp_must_try_again: 458 flags = inp->sctp_flags; 459 #ifdef SCTP_LOG_CLOSING 460 sctp_log_closing(inp, NULL, 17); 461 #endif 462 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 463 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 464 #ifdef SCTP_LOG_CLOSING 465 sctp_log_closing(inp, NULL, 16); 466 #endif 467 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 468 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 469 SOCK_LOCK(so); 470 SCTP_SB_CLEAR(so->so_snd); 471 /* 472 * same for the rcv ones, they are only here for the 473 * accounting/select. 474 */ 475 SCTP_SB_CLEAR(so->so_rcv); 476 477 /* Now null out the reference, we are completely detached. */ 478 so->so_pcb = NULL; 479 SOCK_UNLOCK(so); 480 } else { 481 flags = inp->sctp_flags; 482 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 483 goto sctp_must_try_again; 484 } 485 } 486 return; 487 } 488 489 static int 490 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 491 { 492 struct sctp_inpcb *inp; 493 struct inpcb *ip_inp; 494 int error; 495 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 496 497 #ifdef IPSEC 498 uint32_t flags; 499 500 #endif 501 502 inp = (struct sctp_inpcb *)so->so_pcb; 503 if (inp != 0) { 504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 505 return (EINVAL); 506 } 507 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 508 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 509 if (error) { 510 return (error); 511 } 512 } 513 error = sctp_inpcb_alloc(so, vrf_id); 514 if (error) { 515 return (error); 516 } 517 inp = (struct sctp_inpcb *)so->so_pcb; 518 SCTP_INP_WLOCK(inp); 519 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 520 ip_inp = &inp->ip_inp.inp; 521 ip_inp->inp_vflag |= INP_IPV4; 522 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 523 #ifdef IPSEC 524 error = ipsec_init_policy(so, &ip_inp->inp_sp); 525 #ifdef SCTP_LOG_CLOSING 526 sctp_log_closing(inp, NULL, 17); 527 #endif 528 if (error != 0) { 529 try_again: 530 flags = inp->sctp_flags; 531 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 532 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 533 #ifdef SCTP_LOG_CLOSING 534 sctp_log_closing(inp, NULL, 15); 535 #endif 536 SCTP_INP_WUNLOCK(inp); 537 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 538 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 539 } else { 540 flags = inp->sctp_flags; 541 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 542 goto try_again; 543 } else { 544 SCTP_INP_WUNLOCK(inp); 545 } 546 } 547 return (error); 548 } 549 #endif /* IPSEC */ 550 SCTP_INP_WUNLOCK(inp); 551 return (0); 552 } 553 554 static int 555 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 556 { 557 struct sctp_inpcb *inp = NULL; 558 int error; 559 560 #ifdef INET 561 if (addr && addr->sa_family != AF_INET) { 562 /* must be a v4 address! */ 563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 564 return (EINVAL); 565 } 566 #endif /* INET6 */ 567 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 569 return (EINVAL); 570 } 571 inp = (struct sctp_inpcb *)so->so_pcb; 572 if (inp == 0) { 573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 574 return (EINVAL); 575 } 576 error = sctp_inpcb_bind(so, addr, NULL, p); 577 return (error); 578 } 579 580 #endif 581 void 582 sctp_close(struct socket *so) 583 { 584 struct sctp_inpcb *inp; 585 uint32_t flags; 586 587 inp = (struct sctp_inpcb *)so->so_pcb; 588 if (inp == 0) 589 return; 590 591 /* 592 * Inform all the lower layer assoc that we are done. 593 */ 594 sctp_must_try_again: 595 flags = inp->sctp_flags; 596 #ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 17); 598 #endif 599 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 600 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 601 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 602 (so->so_rcv.sb_cc > 0)) { 603 #ifdef SCTP_LOG_CLOSING 604 sctp_log_closing(inp, NULL, 13); 605 #endif 606 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 607 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 608 } else { 609 #ifdef SCTP_LOG_CLOSING 610 sctp_log_closing(inp, NULL, 14); 611 #endif 612 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 613 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 614 } 615 /* 616 * The socket is now detached, no matter what the state of 617 * the SCTP association. 618 */ 619 SOCK_LOCK(so); 620 SCTP_SB_CLEAR(so->so_snd); 621 /* 622 * same for the rcv ones, they are only here for the 623 * accounting/select. 624 */ 625 SCTP_SB_CLEAR(so->so_rcv); 626 627 /* Now null out the reference, we are completely detached. */ 628 so->so_pcb = NULL; 629 SOCK_UNLOCK(so); 630 } else { 631 flags = inp->sctp_flags; 632 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 633 goto sctp_must_try_again; 634 } 635 } 636 return; 637 } 638 639 640 int 641 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 642 struct mbuf *control, struct thread *p); 643 644 645 int 646 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 647 struct mbuf *control, struct thread *p) 648 { 649 struct sctp_inpcb *inp; 650 int error; 651 652 inp = (struct sctp_inpcb *)so->so_pcb; 653 if (inp == 0) { 654 if (control) { 655 sctp_m_freem(control); 656 control = NULL; 657 } 658 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 659 sctp_m_freem(m); 660 return (EINVAL); 661 } 662 /* Got to have an to address if we are NOT a connected socket */ 663 if ((addr == NULL) && 664 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 665 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 666 goto connected_type; 667 } else if (addr == NULL) { 668 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 669 error = EDESTADDRREQ; 670 sctp_m_freem(m); 671 if (control) { 672 sctp_m_freem(control); 673 control = NULL; 674 } 675 return (error); 676 } 677 #ifdef INET6 678 if (addr->sa_family != AF_INET) { 679 /* must be a v4 address! */ 680 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 681 sctp_m_freem(m); 682 if (control) { 683 sctp_m_freem(control); 684 control = NULL; 685 } 686 error = EDESTADDRREQ; 687 return (error); 688 } 689 #endif /* INET6 */ 690 connected_type: 691 /* now what about control */ 692 if (control) { 693 if (inp->control) { 694 SCTP_PRINTF("huh? control set?\n"); 695 sctp_m_freem(inp->control); 696 inp->control = NULL; 697 } 698 inp->control = control; 699 } 700 /* Place the data */ 701 if (inp->pkt) { 702 SCTP_BUF_NEXT(inp->pkt_last) = m; 703 inp->pkt_last = m; 704 } else { 705 inp->pkt_last = inp->pkt = m; 706 } 707 if ( 708 /* FreeBSD uses a flag passed */ 709 ((flags & PRUS_MORETOCOME) == 0) 710 ) { 711 /* 712 * note with the current version this code will only be used 713 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 714 * re-defining sosend to use the sctp_sosend. One can 715 * optionally switch back to this code (by changing back the 716 * definitions) but this is not advisable. This code is used 717 * by FreeBSD when sending a file with sendfile() though. 718 */ 719 int ret; 720 721 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 722 inp->pkt = NULL; 723 inp->control = NULL; 724 return (ret); 725 } else { 726 return (0); 727 } 728 } 729 730 int 731 sctp_disconnect(struct socket *so) 732 { 733 struct sctp_inpcb *inp; 734 735 inp = (struct sctp_inpcb *)so->so_pcb; 736 if (inp == NULL) { 737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 738 return (ENOTCONN); 739 } 740 SCTP_INP_RLOCK(inp); 741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 743 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 744 /* No connection */ 745 SCTP_INP_RUNLOCK(inp); 746 return (0); 747 } else { 748 struct sctp_association *asoc; 749 struct sctp_tcb *stcb; 750 751 stcb = LIST_FIRST(&inp->sctp_asoc_list); 752 if (stcb == NULL) { 753 SCTP_INP_RUNLOCK(inp); 754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 755 return (EINVAL); 756 } 757 SCTP_TCB_LOCK(stcb); 758 asoc = &stcb->asoc; 759 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 760 /* We are about to be freed, out of here */ 761 SCTP_TCB_UNLOCK(stcb); 762 SCTP_INP_RUNLOCK(inp); 763 return (0); 764 } 765 if (((so->so_options & SO_LINGER) && 766 (so->so_linger == 0)) || 767 (so->so_rcv.sb_cc > 0)) { 768 if (SCTP_GET_STATE(asoc) != 769 SCTP_STATE_COOKIE_WAIT) { 770 /* Left with Data unread */ 771 struct mbuf *err; 772 773 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 774 if (err) { 775 /* 776 * Fill in the user 777 * initiated abort 778 */ 779 struct sctp_paramhdr *ph; 780 781 ph = mtod(err, struct sctp_paramhdr *); 782 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 783 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 784 ph->param_length = htons(SCTP_BUF_LEN(err)); 785 } 786 #if defined(SCTP_PANIC_ON_ABORT) 787 panic("disconnect does an abort"); 788 #endif 789 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 790 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 791 } 792 SCTP_INP_RUNLOCK(inp); 793 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 794 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 795 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 796 } 797 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 798 /* No unlock tcb assoc is gone */ 799 return (0); 800 } 801 if (TAILQ_EMPTY(&asoc->send_queue) && 802 TAILQ_EMPTY(&asoc->sent_queue) && 803 (asoc->stream_queue_cnt == 0)) { 804 /* there is nothing queued to send, so done */ 805 if (asoc->locked_on_sending) { 806 goto abort_anyway; 807 } 808 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 809 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 810 /* only send SHUTDOWN 1st time thru */ 811 struct sctp_nets *netp; 812 813 if (stcb->asoc.alternate) { 814 netp = stcb->asoc.alternate; 815 } else { 816 netp = stcb->asoc.primary_destination; 817 } 818 sctp_stop_timers_for_shutdown(stcb); 819 sctp_send_shutdown(stcb, netp); 820 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 821 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 822 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 823 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 824 } 825 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 826 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 827 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 828 stcb->sctp_ep, stcb, netp); 829 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 830 stcb->sctp_ep, stcb, netp); 831 832 } 833 } else { 834 /* 835 * we still got (or just got) data to send, 836 * so set SHUTDOWN_PENDING 837 */ 838 /* 839 * XXX sockets draft says that SCTP_EOF 840 * should be sent with no data. currently, 841 * we will allow user data to be sent first 842 * and move to SHUTDOWN-PENDING 843 */ 844 struct sctp_nets *netp; 845 846 if (stcb->asoc.alternate) { 847 netp = stcb->asoc.alternate; 848 } else { 849 netp = stcb->asoc.primary_destination; 850 } 851 852 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 853 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 854 netp); 855 if (asoc->locked_on_sending) { 856 /* Locked to send out the data */ 857 struct sctp_stream_queue_pending *sp; 858 859 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 860 if (sp == NULL) { 861 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 862 asoc->locked_on_sending->stream_no); 863 } else { 864 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 865 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 866 } 867 } 868 if (TAILQ_EMPTY(&asoc->send_queue) && 869 TAILQ_EMPTY(&asoc->sent_queue) && 870 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 871 struct mbuf *op_err; 872 873 abort_anyway: 874 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 875 0, M_DONTWAIT, 1, MT_DATA); 876 if (op_err) { 877 /* 878 * Fill in the user 879 * initiated abort 880 */ 881 struct sctp_paramhdr *ph; 882 uint32_t *ippp; 883 884 SCTP_BUF_LEN(op_err) = 885 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 886 ph = mtod(op_err, 887 struct sctp_paramhdr *); 888 ph->param_type = htons( 889 SCTP_CAUSE_USER_INITIATED_ABT); 890 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 891 ippp = (uint32_t *) (ph + 1); 892 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 893 } 894 #if defined(SCTP_PANIC_ON_ABORT) 895 panic("disconnect does an abort"); 896 #endif 897 898 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 899 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 900 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 901 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 902 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 903 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 904 } 905 SCTP_INP_RUNLOCK(inp); 906 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 907 return (0); 908 } else { 909 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 910 } 911 } 912 soisdisconnecting(so); 913 SCTP_TCB_UNLOCK(stcb); 914 SCTP_INP_RUNLOCK(inp); 915 return (0); 916 } 917 /* not reached */ 918 } else { 919 /* UDP model does not support this */ 920 SCTP_INP_RUNLOCK(inp); 921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 922 return (EOPNOTSUPP); 923 } 924 } 925 926 int 927 sctp_flush(struct socket *so, int how) 928 { 929 /* 930 * We will just clear out the values and let subsequent close clear 931 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 932 * they will not be able to read the data, the socket will block 933 * that from happening. 934 */ 935 struct sctp_inpcb *inp; 936 937 inp = (struct sctp_inpcb *)so->so_pcb; 938 if (inp == NULL) { 939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 940 return (EINVAL); 941 } 942 SCTP_INP_RLOCK(inp); 943 /* For the 1 to many model this does nothing */ 944 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 945 SCTP_INP_RUNLOCK(inp); 946 return (0); 947 } 948 SCTP_INP_RUNLOCK(inp); 949 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 950 /* 951 * First make sure the sb will be happy, we don't use these 952 * except maybe the count 953 */ 954 SCTP_INP_WLOCK(inp); 955 SCTP_INP_READ_LOCK(inp); 956 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 957 SCTP_INP_READ_UNLOCK(inp); 958 SCTP_INP_WUNLOCK(inp); 959 so->so_rcv.sb_cc = 0; 960 so->so_rcv.sb_mbcnt = 0; 961 so->so_rcv.sb_mb = NULL; 962 } 963 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 964 /* 965 * First make sure the sb will be happy, we don't use these 966 * except maybe the count 967 */ 968 so->so_snd.sb_cc = 0; 969 so->so_snd.sb_mbcnt = 0; 970 so->so_snd.sb_mb = NULL; 971 972 } 973 return (0); 974 } 975 976 int 977 sctp_shutdown(struct socket *so) 978 { 979 struct sctp_inpcb *inp; 980 981 inp = (struct sctp_inpcb *)so->so_pcb; 982 if (inp == 0) { 983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 984 return (EINVAL); 985 } 986 SCTP_INP_RLOCK(inp); 987 /* For UDP model this is a invalid call */ 988 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 989 /* Restore the flags that the soshutdown took away. */ 990 SOCKBUF_LOCK(&so->so_rcv); 991 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 992 SOCKBUF_UNLOCK(&so->so_rcv); 993 /* This proc will wakeup for read and do nothing (I hope) */ 994 SCTP_INP_RUNLOCK(inp); 995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 996 return (EOPNOTSUPP); 997 } 998 /* 999 * Ok if we reach here its the TCP model and it is either a SHUT_WR 1000 * or SHUT_RDWR. This means we put the shutdown flag against it. 1001 */ 1002 { 1003 struct sctp_tcb *stcb; 1004 struct sctp_association *asoc; 1005 1006 if ((so->so_state & 1007 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1008 SCTP_INP_RUNLOCK(inp); 1009 return (ENOTCONN); 1010 } 1011 socantsendmore(so); 1012 1013 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1014 if (stcb == NULL) { 1015 /* 1016 * Ok we hit the case that the shutdown call was 1017 * made after an abort or something. Nothing to do 1018 * now. 1019 */ 1020 SCTP_INP_RUNLOCK(inp); 1021 return (0); 1022 } 1023 SCTP_TCB_LOCK(stcb); 1024 asoc = &stcb->asoc; 1025 if (TAILQ_EMPTY(&asoc->send_queue) && 1026 TAILQ_EMPTY(&asoc->sent_queue) && 1027 (asoc->stream_queue_cnt == 0)) { 1028 if (asoc->locked_on_sending) { 1029 goto abort_anyway; 1030 } 1031 /* there is nothing queued to send, so I'm done... */ 1032 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1033 /* only send SHUTDOWN the first time through */ 1034 struct sctp_nets *netp; 1035 1036 if (stcb->asoc.alternate) { 1037 netp = stcb->asoc.alternate; 1038 } else { 1039 netp = stcb->asoc.primary_destination; 1040 } 1041 sctp_stop_timers_for_shutdown(stcb); 1042 sctp_send_shutdown(stcb, netp); 1043 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1044 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1045 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1046 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1047 } 1048 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1049 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1050 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1051 stcb->sctp_ep, stcb, netp); 1052 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1053 stcb->sctp_ep, stcb, netp); 1054 } 1055 } else { 1056 /* 1057 * we still got (or just got) data to send, so set 1058 * SHUTDOWN_PENDING 1059 */ 1060 struct sctp_nets *netp; 1061 1062 if (stcb->asoc.alternate) { 1063 netp = stcb->asoc.alternate; 1064 } else { 1065 netp = stcb->asoc.primary_destination; 1066 } 1067 1068 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1069 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1070 netp); 1071 1072 if (asoc->locked_on_sending) { 1073 /* Locked to send out the data */ 1074 struct sctp_stream_queue_pending *sp; 1075 1076 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1077 if (sp == NULL) { 1078 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1079 asoc->locked_on_sending->stream_no); 1080 } else { 1081 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1082 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1083 } 1084 } 1085 } 1086 if (TAILQ_EMPTY(&asoc->send_queue) && 1087 TAILQ_EMPTY(&asoc->sent_queue) && 1088 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1089 struct mbuf *op_err; 1090 1091 abort_anyway: 1092 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1093 0, M_DONTWAIT, 1, MT_DATA); 1094 if (op_err) { 1095 /* Fill in the user initiated abort */ 1096 struct sctp_paramhdr *ph; 1097 uint32_t *ippp; 1098 1099 SCTP_BUF_LEN(op_err) = 1100 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1101 ph = mtod(op_err, 1102 struct sctp_paramhdr *); 1103 ph->param_type = htons( 1104 SCTP_CAUSE_USER_INITIATED_ABT); 1105 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1106 ippp = (uint32_t *) (ph + 1); 1107 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1108 } 1109 #if defined(SCTP_PANIC_ON_ABORT) 1110 panic("shutdown does an abort"); 1111 #endif 1112 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1113 sctp_abort_an_association(stcb->sctp_ep, stcb, 1114 SCTP_RESPONSE_TO_USER_REQ, 1115 op_err, SCTP_SO_LOCKED); 1116 goto skip_unlock; 1117 } else { 1118 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1119 } 1120 } 1121 SCTP_TCB_UNLOCK(stcb); 1122 } 1123 skip_unlock: 1124 SCTP_INP_RUNLOCK(inp); 1125 return (0); 1126 } 1127 1128 /* 1129 * copies a "user" presentable address and removes embedded scope, etc. 1130 * returns 0 on success, 1 on error 1131 */ 1132 static uint32_t 1133 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1134 { 1135 #ifdef INET6 1136 struct sockaddr_in6 lsa6; 1137 1138 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1139 &lsa6); 1140 #endif 1141 memcpy(ss, sa, sa->sa_len); 1142 return (0); 1143 } 1144 1145 1146 1147 /* 1148 * NOTE: assumes addr lock is held 1149 */ 1150 static size_t 1151 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1152 struct sctp_tcb *stcb, 1153 size_t limit, 1154 struct sockaddr_storage *sas, 1155 uint32_t vrf_id) 1156 { 1157 struct sctp_ifn *sctp_ifn; 1158 struct sctp_ifa *sctp_ifa; 1159 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1160 size_t actual; 1161 int ipv4_addr_legal, ipv6_addr_legal; 1162 struct sctp_vrf *vrf; 1163 1164 actual = 0; 1165 if (limit <= 0) 1166 return (actual); 1167 1168 if (stcb) { 1169 /* Turn on all the appropriate scope */ 1170 loopback_scope = stcb->asoc.loopback_scope; 1171 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1172 local_scope = stcb->asoc.local_scope; 1173 site_scope = stcb->asoc.site_scope; 1174 } else { 1175 /* Turn on ALL scope, since we look at the EP */ 1176 loopback_scope = ipv4_local_scope = local_scope = 1177 site_scope = 1; 1178 } 1179 ipv4_addr_legal = ipv6_addr_legal = 0; 1180 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1181 ipv6_addr_legal = 1; 1182 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1183 ipv4_addr_legal = 1; 1184 } 1185 } else { 1186 ipv4_addr_legal = 1; 1187 } 1188 vrf = sctp_find_vrf(vrf_id); 1189 if (vrf == NULL) { 1190 return (0); 1191 } 1192 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1193 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1194 if ((loopback_scope == 0) && 1195 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1196 /* Skip loopback if loopback_scope not set */ 1197 continue; 1198 } 1199 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1200 if (stcb) { 1201 /* 1202 * For the BOUND-ALL case, the list 1203 * associated with a TCB is Always 1204 * considered a reverse list.. i.e. 1205 * it lists addresses that are NOT 1206 * part of the association. If this 1207 * is one of those we must skip it. 1208 */ 1209 if (sctp_is_addr_restricted(stcb, 1210 sctp_ifa)) { 1211 continue; 1212 } 1213 } 1214 switch (sctp_ifa->address.sa.sa_family) { 1215 #ifdef INET 1216 case AF_INET: 1217 if (ipv4_addr_legal) { 1218 struct sockaddr_in *sin; 1219 1220 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1221 if (sin->sin_addr.s_addr == 0) { 1222 /* 1223 * we skip 1224 * unspecifed 1225 * addresses 1226 */ 1227 continue; 1228 } 1229 if ((ipv4_local_scope == 0) && 1230 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1231 continue; 1232 } 1233 #ifdef INET6 1234 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1235 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1236 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1237 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1238 actual += sizeof(struct sockaddr_in6); 1239 } else { 1240 #endif 1241 memcpy(sas, sin, sizeof(*sin)); 1242 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1243 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1244 actual += sizeof(*sin); 1245 #ifdef INET6 1246 } 1247 #endif 1248 if (actual >= limit) { 1249 return (actual); 1250 } 1251 } else { 1252 continue; 1253 } 1254 break; 1255 #endif 1256 #ifdef INET6 1257 case AF_INET6: 1258 if (ipv6_addr_legal) { 1259 struct sockaddr_in6 *sin6; 1260 1261 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1262 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1263 /* 1264 * we skip 1265 * unspecifed 1266 * addresses 1267 */ 1268 continue; 1269 } 1270 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1271 if (local_scope == 0) 1272 continue; 1273 if (sin6->sin6_scope_id == 0) { 1274 if (sa6_recoverscope(sin6) != 0) 1275 /* 1276 * 1277 * bad 1278 * 1279 * li 1280 * nk 1281 * 1282 * loc 1283 * al 1284 * 1285 * add 1286 * re 1287 * ss 1288 * */ 1289 continue; 1290 } 1291 } 1292 if ((site_scope == 0) && 1293 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1294 continue; 1295 } 1296 memcpy(sas, sin6, sizeof(*sin6)); 1297 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1298 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1299 actual += sizeof(*sin6); 1300 if (actual >= limit) { 1301 return (actual); 1302 } 1303 } else { 1304 continue; 1305 } 1306 break; 1307 #endif 1308 default: 1309 /* TSNH */ 1310 break; 1311 } 1312 } 1313 } 1314 } else { 1315 struct sctp_laddr *laddr; 1316 1317 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1318 if (stcb) { 1319 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1320 continue; 1321 } 1322 } 1323 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1324 continue; 1325 1326 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1327 sas = (struct sockaddr_storage *)((caddr_t)sas + 1328 laddr->ifa->address.sa.sa_len); 1329 actual += laddr->ifa->address.sa.sa_len; 1330 if (actual >= limit) { 1331 return (actual); 1332 } 1333 } 1334 } 1335 return (actual); 1336 } 1337 1338 static size_t 1339 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1340 struct sctp_tcb *stcb, 1341 size_t limit, 1342 struct sockaddr_storage *sas) 1343 { 1344 size_t size = 0; 1345 1346 SCTP_IPI_ADDR_RLOCK(); 1347 /* fill up addresses for the endpoint's default vrf */ 1348 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1349 inp->def_vrf_id); 1350 SCTP_IPI_ADDR_RUNLOCK(); 1351 return (size); 1352 } 1353 1354 /* 1355 * NOTE: assumes addr lock is held 1356 */ 1357 static int 1358 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1359 { 1360 int cnt = 0; 1361 struct sctp_vrf *vrf = NULL; 1362 1363 /* 1364 * In both sub-set bound an bound_all cases we return the MAXIMUM 1365 * number of addresses that you COULD get. In reality the sub-set 1366 * bound may have an exclusion list for a given TCB OR in the 1367 * bound-all case a TCB may NOT include the loopback or other 1368 * addresses as well. 1369 */ 1370 vrf = sctp_find_vrf(vrf_id); 1371 if (vrf == NULL) { 1372 return (0); 1373 } 1374 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1375 struct sctp_ifn *sctp_ifn; 1376 struct sctp_ifa *sctp_ifa; 1377 1378 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1379 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1380 /* Count them if they are the right type */ 1381 switch (sctp_ifa->address.sa.sa_family) { 1382 #ifdef INET 1383 case AF_INET: 1384 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1385 cnt += sizeof(struct sockaddr_in6); 1386 else 1387 cnt += sizeof(struct sockaddr_in); 1388 break; 1389 #endif 1390 #ifdef INET6 1391 case AF_INET6: 1392 cnt += sizeof(struct sockaddr_in6); 1393 break; 1394 #endif 1395 default: 1396 break; 1397 } 1398 } 1399 } 1400 } else { 1401 struct sctp_laddr *laddr; 1402 1403 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1404 switch (laddr->ifa->address.sa.sa_family) { 1405 #ifdef INET 1406 case AF_INET: 1407 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1408 cnt += sizeof(struct sockaddr_in6); 1409 else 1410 cnt += sizeof(struct sockaddr_in); 1411 break; 1412 #endif 1413 #ifdef INET6 1414 case AF_INET6: 1415 cnt += sizeof(struct sockaddr_in6); 1416 break; 1417 #endif 1418 default: 1419 break; 1420 } 1421 } 1422 } 1423 return (cnt); 1424 } 1425 1426 static int 1427 sctp_count_max_addresses(struct sctp_inpcb *inp) 1428 { 1429 int cnt = 0; 1430 1431 SCTP_IPI_ADDR_RLOCK(); 1432 /* count addresses for the endpoint's default VRF */ 1433 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1434 SCTP_IPI_ADDR_RUNLOCK(); 1435 return (cnt); 1436 } 1437 1438 static int 1439 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1440 size_t optsize, void *p, int delay) 1441 { 1442 int error = 0; 1443 int creat_lock_on = 0; 1444 struct sctp_tcb *stcb = NULL; 1445 struct sockaddr *sa; 1446 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1447 uint32_t vrf_id; 1448 int bad_addresses = 0; 1449 sctp_assoc_t *a_id; 1450 1451 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1452 1453 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1454 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1455 /* We are already connected AND the TCP model */ 1456 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1457 return (EADDRINUSE); 1458 } 1459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1460 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1461 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1462 return (EINVAL); 1463 } 1464 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1465 SCTP_INP_RLOCK(inp); 1466 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1467 SCTP_INP_RUNLOCK(inp); 1468 } 1469 if (stcb) { 1470 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1471 return (EALREADY); 1472 } 1473 SCTP_INP_INCR_REF(inp); 1474 SCTP_ASOC_CREATE_LOCK(inp); 1475 creat_lock_on = 1; 1476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1477 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1478 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1479 error = EFAULT; 1480 goto out_now; 1481 } 1482 totaddrp = (int *)optval; 1483 totaddr = *totaddrp; 1484 sa = (struct sockaddr *)(totaddrp + 1); 1485 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1486 if ((stcb != NULL) || bad_addresses) { 1487 /* Already have or am bring up an association */ 1488 SCTP_ASOC_CREATE_UNLOCK(inp); 1489 creat_lock_on = 0; 1490 if (stcb) 1491 SCTP_TCB_UNLOCK(stcb); 1492 if (bad_addresses == 0) { 1493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1494 error = EALREADY; 1495 } 1496 goto out_now; 1497 } 1498 #ifdef INET6 1499 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1500 (num_v6 > 0)) { 1501 error = EINVAL; 1502 goto out_now; 1503 } 1504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1505 (num_v4 > 0)) { 1506 struct in6pcb *inp6; 1507 1508 inp6 = (struct in6pcb *)inp; 1509 if (SCTP_IPV6_V6ONLY(inp6)) { 1510 /* 1511 * if IPV6_V6ONLY flag, ignore connections destined 1512 * to a v4 addr or v4-mapped addr 1513 */ 1514 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1515 error = EINVAL; 1516 goto out_now; 1517 } 1518 } 1519 #endif /* INET6 */ 1520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1521 SCTP_PCB_FLAGS_UNBOUND) { 1522 /* Bind a ephemeral port */ 1523 error = sctp_inpcb_bind(so, NULL, NULL, p); 1524 if (error) { 1525 goto out_now; 1526 } 1527 } 1528 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1529 vrf_id = inp->def_vrf_id; 1530 1531 1532 /* We are GOOD to go */ 1533 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1534 (struct thread *)p 1535 ); 1536 if (stcb == NULL) { 1537 /* Gak! no memory */ 1538 goto out_now; 1539 } 1540 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1541 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1542 /* Set the connected flag so we can queue data */ 1543 soisconnecting(so); 1544 } 1545 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1546 /* move to second address */ 1547 switch (sa->sa_family) { 1548 #ifdef INET 1549 case AF_INET: 1550 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1551 break; 1552 #endif 1553 #ifdef INET6 1554 case AF_INET6: 1555 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1556 break; 1557 #endif 1558 default: 1559 break; 1560 } 1561 1562 error = 0; 1563 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1564 /* Fill in the return id */ 1565 if (error) { 1566 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1567 goto out_now; 1568 } 1569 a_id = (sctp_assoc_t *) optval; 1570 *a_id = sctp_get_associd(stcb); 1571 1572 /* initialize authentication parameters for the assoc */ 1573 sctp_initialize_auth_params(inp, stcb); 1574 1575 if (delay) { 1576 /* doing delayed connection */ 1577 stcb->asoc.delayed_connection = 1; 1578 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1579 } else { 1580 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1581 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1582 } 1583 SCTP_TCB_UNLOCK(stcb); 1584 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1585 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1586 /* Set the connected flag so we can queue data */ 1587 soisconnecting(so); 1588 } 1589 out_now: 1590 if (creat_lock_on) { 1591 SCTP_ASOC_CREATE_UNLOCK(inp); 1592 } 1593 SCTP_INP_DECR_REF(inp); 1594 return (error); 1595 } 1596 1597 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1600 SCTP_INP_RLOCK(inp); \ 1601 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1602 if (stcb) { \ 1603 SCTP_TCB_LOCK(stcb); \ 1604 } \ 1605 SCTP_INP_RUNLOCK(inp); \ 1606 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1607 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1608 if (stcb == NULL) { \ 1609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1610 error = ENOENT; \ 1611 break; \ 1612 } \ 1613 } else { \ 1614 stcb = NULL; \ 1615 } \ 1616 } 1617 1618 1619 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1620 if (size < sizeof(type)) { \ 1621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1622 error = EINVAL; \ 1623 break; \ 1624 } else { \ 1625 destp = (type *)srcp; \ 1626 } \ 1627 } 1628 1629 static int 1630 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1631 void *p) 1632 { 1633 struct sctp_inpcb *inp = NULL; 1634 int error, val = 0; 1635 struct sctp_tcb *stcb = NULL; 1636 1637 if (optval == NULL) { 1638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1639 return (EINVAL); 1640 } 1641 inp = (struct sctp_inpcb *)so->so_pcb; 1642 if (inp == 0) { 1643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1644 return EINVAL; 1645 } 1646 error = 0; 1647 1648 switch (optname) { 1649 case SCTP_NODELAY: 1650 case SCTP_AUTOCLOSE: 1651 case SCTP_EXPLICIT_EOR: 1652 case SCTP_AUTO_ASCONF: 1653 case SCTP_DISABLE_FRAGMENTS: 1654 case SCTP_I_WANT_MAPPED_V4_ADDR: 1655 case SCTP_USE_EXT_RCVINFO: 1656 SCTP_INP_RLOCK(inp); 1657 switch (optname) { 1658 case SCTP_DISABLE_FRAGMENTS: 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1660 break; 1661 case SCTP_I_WANT_MAPPED_V4_ADDR: 1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1663 break; 1664 case SCTP_AUTO_ASCONF: 1665 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1666 /* only valid for bound all sockets */ 1667 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1668 } else { 1669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1670 error = EINVAL; 1671 goto flags_out; 1672 } 1673 break; 1674 case SCTP_EXPLICIT_EOR: 1675 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1676 break; 1677 case SCTP_NODELAY: 1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1679 break; 1680 case SCTP_USE_EXT_RCVINFO: 1681 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1682 break; 1683 case SCTP_AUTOCLOSE: 1684 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1685 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1686 else 1687 val = 0; 1688 break; 1689 1690 default: 1691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1692 error = ENOPROTOOPT; 1693 } /* end switch (sopt->sopt_name) */ 1694 if (*optsize < sizeof(val)) { 1695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1696 error = EINVAL; 1697 } 1698 flags_out: 1699 SCTP_INP_RUNLOCK(inp); 1700 if (error == 0) { 1701 /* return the option value */ 1702 *(int *)optval = val; 1703 *optsize = sizeof(val); 1704 } 1705 break; 1706 case SCTP_GET_PACKET_LOG: 1707 { 1708 #ifdef SCTP_PACKET_LOGGING 1709 uint8_t *target; 1710 int ret; 1711 1712 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1713 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1714 *optsize = ret; 1715 #else 1716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1717 error = EOPNOTSUPP; 1718 #endif 1719 break; 1720 } 1721 case SCTP_REUSE_PORT: 1722 { 1723 uint32_t *value; 1724 1725 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1726 /* Can't do this for a 1-m socket */ 1727 error = EINVAL; 1728 break; 1729 } 1730 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1731 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1732 *optsize = sizeof(uint32_t); 1733 break; 1734 } 1735 case SCTP_PARTIAL_DELIVERY_POINT: 1736 { 1737 uint32_t *value; 1738 1739 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1740 *value = inp->partial_delivery_point; 1741 *optsize = sizeof(uint32_t); 1742 break; 1743 } 1744 case SCTP_FRAGMENT_INTERLEAVE: 1745 { 1746 uint32_t *value; 1747 1748 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1749 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1750 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1751 *value = SCTP_FRAG_LEVEL_2; 1752 } else { 1753 *value = SCTP_FRAG_LEVEL_1; 1754 } 1755 } else { 1756 *value = SCTP_FRAG_LEVEL_0; 1757 } 1758 *optsize = sizeof(uint32_t); 1759 break; 1760 } 1761 case SCTP_CMT_ON_OFF: 1762 { 1763 struct sctp_assoc_value *av; 1764 1765 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1766 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1767 if (stcb) { 1768 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1769 SCTP_TCB_UNLOCK(stcb); 1770 } else { 1771 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1772 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1773 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1774 SCTP_INP_RLOCK(inp); 1775 av->assoc_value = inp->sctp_cmt_on_off; 1776 SCTP_INP_RUNLOCK(inp); 1777 } else { 1778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1779 error = EINVAL; 1780 } 1781 } 1782 if (error == 0) { 1783 *optsize = sizeof(struct sctp_assoc_value); 1784 } 1785 break; 1786 } 1787 case SCTP_PLUGGABLE_CC: 1788 { 1789 struct sctp_assoc_value *av; 1790 1791 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1792 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1793 if (stcb) { 1794 av->assoc_value = stcb->asoc.congestion_control_module; 1795 SCTP_TCB_UNLOCK(stcb); 1796 } else { 1797 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1798 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1799 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1800 SCTP_INP_RLOCK(inp); 1801 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1802 SCTP_INP_RUNLOCK(inp); 1803 } else { 1804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1805 error = EINVAL; 1806 } 1807 } 1808 if (error == 0) { 1809 *optsize = sizeof(struct sctp_assoc_value); 1810 } 1811 break; 1812 } 1813 case SCTP_CC_OPTION: 1814 { 1815 struct sctp_cc_option *cc_opt; 1816 1817 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1818 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1819 if (stcb == NULL) { 1820 error = EINVAL; 1821 } else { 1822 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1823 error = ENOTSUP; 1824 } else { 1825 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1826 *optsize = sizeof(struct sctp_cc_option); 1827 } 1828 SCTP_TCB_UNLOCK(stcb); 1829 } 1830 break; 1831 } 1832 case SCTP_PLUGGABLE_SS: 1833 { 1834 struct sctp_assoc_value *av; 1835 1836 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1837 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1838 if (stcb) { 1839 av->assoc_value = stcb->asoc.stream_scheduling_module; 1840 SCTP_TCB_UNLOCK(stcb); 1841 } else { 1842 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1843 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1844 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1845 SCTP_INP_RLOCK(inp); 1846 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1847 SCTP_INP_RUNLOCK(inp); 1848 } else { 1849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1850 error = EINVAL; 1851 } 1852 } 1853 if (error == 0) { 1854 *optsize = sizeof(struct sctp_assoc_value); 1855 } 1856 break; 1857 } 1858 case SCTP_SS_VALUE: 1859 { 1860 struct sctp_stream_value *av; 1861 1862 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1863 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1864 if (stcb) { 1865 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1866 &av->stream_value) < 0) { 1867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1868 error = EINVAL; 1869 } else { 1870 *optsize = sizeof(struct sctp_stream_value); 1871 } 1872 SCTP_TCB_UNLOCK(stcb); 1873 } else { 1874 /* 1875 * Can't get stream value without 1876 * association 1877 */ 1878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1879 error = EINVAL; 1880 } 1881 break; 1882 } 1883 case SCTP_GET_ADDR_LEN: 1884 { 1885 struct sctp_assoc_value *av; 1886 1887 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1888 error = EINVAL; 1889 #ifdef INET 1890 if (av->assoc_value == AF_INET) { 1891 av->assoc_value = sizeof(struct sockaddr_in); 1892 error = 0; 1893 } 1894 #endif 1895 #ifdef INET6 1896 if (av->assoc_value == AF_INET6) { 1897 av->assoc_value = sizeof(struct sockaddr_in6); 1898 error = 0; 1899 } 1900 #endif 1901 if (error) { 1902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1903 } else { 1904 *optsize = sizeof(struct sctp_assoc_value); 1905 } 1906 break; 1907 } 1908 case SCTP_GET_ASSOC_NUMBER: 1909 { 1910 uint32_t *value, cnt; 1911 1912 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1913 cnt = 0; 1914 SCTP_INP_RLOCK(inp); 1915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1916 cnt++; 1917 } 1918 SCTP_INP_RUNLOCK(inp); 1919 *value = cnt; 1920 *optsize = sizeof(uint32_t); 1921 break; 1922 } 1923 case SCTP_GET_ASSOC_ID_LIST: 1924 { 1925 struct sctp_assoc_ids *ids; 1926 unsigned int at, limit; 1927 1928 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1929 at = 0; 1930 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1931 SCTP_INP_RLOCK(inp); 1932 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1933 if (at < limit) { 1934 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1935 } else { 1936 error = EINVAL; 1937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1938 break; 1939 } 1940 } 1941 SCTP_INP_RUNLOCK(inp); 1942 if (error == 0) { 1943 ids->gaids_number_of_ids = at; 1944 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1945 } 1946 break; 1947 } 1948 case SCTP_CONTEXT: 1949 { 1950 struct sctp_assoc_value *av; 1951 1952 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1953 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1954 1955 if (stcb) { 1956 av->assoc_value = stcb->asoc.context; 1957 SCTP_TCB_UNLOCK(stcb); 1958 } else { 1959 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1960 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1961 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1962 SCTP_INP_RLOCK(inp); 1963 av->assoc_value = inp->sctp_context; 1964 SCTP_INP_RUNLOCK(inp); 1965 } else { 1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1967 error = EINVAL; 1968 } 1969 } 1970 if (error == 0) { 1971 *optsize = sizeof(struct sctp_assoc_value); 1972 } 1973 break; 1974 } 1975 case SCTP_VRF_ID: 1976 { 1977 uint32_t *default_vrfid; 1978 1979 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1980 *default_vrfid = inp->def_vrf_id; 1981 *optsize = sizeof(uint32_t); 1982 break; 1983 } 1984 case SCTP_GET_ASOC_VRF: 1985 { 1986 struct sctp_assoc_value *id; 1987 1988 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1989 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1990 if (stcb == NULL) { 1991 error = EINVAL; 1992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1993 } else { 1994 id->assoc_value = stcb->asoc.vrf_id; 1995 *optsize = sizeof(struct sctp_assoc_value); 1996 } 1997 break; 1998 } 1999 case SCTP_GET_VRF_IDS: 2000 { 2001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2002 error = EOPNOTSUPP; 2003 break; 2004 } 2005 case SCTP_GET_NONCE_VALUES: 2006 { 2007 struct sctp_get_nonce_values *gnv; 2008 2009 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2010 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2011 2012 if (stcb) { 2013 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2014 gnv->gn_local_tag = stcb->asoc.my_vtag; 2015 SCTP_TCB_UNLOCK(stcb); 2016 *optsize = sizeof(struct sctp_get_nonce_values); 2017 } else { 2018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2019 error = ENOTCONN; 2020 } 2021 break; 2022 } 2023 case SCTP_DELAYED_SACK: 2024 { 2025 struct sctp_sack_info *sack; 2026 2027 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2028 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2029 if (stcb) { 2030 sack->sack_delay = stcb->asoc.delayed_ack; 2031 sack->sack_freq = stcb->asoc.sack_freq; 2032 SCTP_TCB_UNLOCK(stcb); 2033 } else { 2034 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2035 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2036 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2037 SCTP_INP_RLOCK(inp); 2038 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2039 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2040 SCTP_INP_RUNLOCK(inp); 2041 } else { 2042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2043 error = EINVAL; 2044 } 2045 } 2046 if (error == 0) { 2047 *optsize = sizeof(struct sctp_sack_info); 2048 } 2049 break; 2050 } 2051 case SCTP_GET_SNDBUF_USE: 2052 { 2053 struct sctp_sockstat *ss; 2054 2055 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2056 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2057 2058 if (stcb) { 2059 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2060 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2061 stcb->asoc.size_on_all_streams); 2062 SCTP_TCB_UNLOCK(stcb); 2063 *optsize = sizeof(struct sctp_sockstat); 2064 } else { 2065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2066 error = ENOTCONN; 2067 } 2068 break; 2069 } 2070 case SCTP_MAX_BURST: 2071 { 2072 struct sctp_assoc_value *av; 2073 2074 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2075 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2076 2077 if (stcb) { 2078 av->assoc_value = stcb->asoc.max_burst; 2079 SCTP_TCB_UNLOCK(stcb); 2080 } else { 2081 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2082 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2083 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2084 SCTP_INP_RLOCK(inp); 2085 av->assoc_value = inp->sctp_ep.max_burst; 2086 SCTP_INP_RUNLOCK(inp); 2087 } else { 2088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2089 error = EINVAL; 2090 } 2091 } 2092 if (error == 0) { 2093 *optsize = sizeof(struct sctp_assoc_value); 2094 } 2095 break; 2096 } 2097 case SCTP_MAXSEG: 2098 { 2099 struct sctp_assoc_value *av; 2100 int ovh; 2101 2102 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2103 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2104 2105 if (stcb) { 2106 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2107 SCTP_TCB_UNLOCK(stcb); 2108 } else { 2109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2110 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2111 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2112 SCTP_INP_RLOCK(inp); 2113 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2114 ovh = SCTP_MED_OVERHEAD; 2115 } else { 2116 ovh = SCTP_MED_V4_OVERHEAD; 2117 } 2118 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2119 av->assoc_value = 0; 2120 else 2121 av->assoc_value = inp->sctp_frag_point - ovh; 2122 SCTP_INP_RUNLOCK(inp); 2123 } else { 2124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2125 error = EINVAL; 2126 } 2127 } 2128 if (error == 0) { 2129 *optsize = sizeof(struct sctp_assoc_value); 2130 } 2131 break; 2132 } 2133 case SCTP_GET_STAT_LOG: 2134 error = sctp_fill_stat_log(optval, optsize); 2135 break; 2136 case SCTP_EVENTS: 2137 { 2138 struct sctp_event_subscribe *events; 2139 2140 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2141 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2142 SCTP_INP_RLOCK(inp); 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2144 events->sctp_data_io_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2147 events->sctp_association_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2150 events->sctp_address_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2153 events->sctp_send_failure_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2156 events->sctp_peer_error_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2159 events->sctp_shutdown_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2162 events->sctp_partial_delivery_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2165 events->sctp_adaptation_layer_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2168 events->sctp_authentication_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2171 events->sctp_sender_dry_event = 1; 2172 2173 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2174 events->sctp_stream_reset_event = 1; 2175 SCTP_INP_RUNLOCK(inp); 2176 *optsize = sizeof(struct sctp_event_subscribe); 2177 break; 2178 } 2179 case SCTP_ADAPTATION_LAYER: 2180 { 2181 uint32_t *value; 2182 2183 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2184 2185 SCTP_INP_RLOCK(inp); 2186 *value = inp->sctp_ep.adaptation_layer_indicator; 2187 SCTP_INP_RUNLOCK(inp); 2188 *optsize = sizeof(uint32_t); 2189 break; 2190 } 2191 case SCTP_SET_INITIAL_DBG_SEQ: 2192 { 2193 uint32_t *value; 2194 2195 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2196 SCTP_INP_RLOCK(inp); 2197 *value = inp->sctp_ep.initial_sequence_debug; 2198 SCTP_INP_RUNLOCK(inp); 2199 *optsize = sizeof(uint32_t); 2200 break; 2201 } 2202 case SCTP_GET_LOCAL_ADDR_SIZE: 2203 { 2204 uint32_t *value; 2205 2206 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2207 SCTP_INP_RLOCK(inp); 2208 *value = sctp_count_max_addresses(inp); 2209 SCTP_INP_RUNLOCK(inp); 2210 *optsize = sizeof(uint32_t); 2211 break; 2212 } 2213 case SCTP_GET_REMOTE_ADDR_SIZE: 2214 { 2215 uint32_t *value; 2216 size_t size; 2217 struct sctp_nets *net; 2218 2219 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2220 /* FIXME MT: change to sctp_assoc_value? */ 2221 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2222 2223 if (stcb) { 2224 size = 0; 2225 /* Count the sizes */ 2226 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2227 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2228 size += sizeof(struct sockaddr_in6); 2229 } else { 2230 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2231 #ifdef INET 2232 case AF_INET: 2233 size += sizeof(struct sockaddr_in); 2234 break; 2235 #endif 2236 #ifdef INET6 2237 case AF_INET6: 2238 size += sizeof(struct sockaddr_in6); 2239 break; 2240 #endif 2241 default: 2242 break; 2243 } 2244 } 2245 } 2246 SCTP_TCB_UNLOCK(stcb); 2247 *value = (uint32_t) size; 2248 *optsize = sizeof(uint32_t); 2249 } else { 2250 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2251 error = ENOTCONN; 2252 } 2253 break; 2254 } 2255 case SCTP_GET_PEER_ADDRESSES: 2256 /* 2257 * Get the address information, an array is passed in to 2258 * fill up we pack it. 2259 */ 2260 { 2261 size_t cpsz, left; 2262 struct sockaddr_storage *sas; 2263 struct sctp_nets *net; 2264 struct sctp_getaddresses *saddr; 2265 2266 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2267 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2268 2269 if (stcb) { 2270 left = (*optsize) - sizeof(struct sctp_getaddresses); 2271 *optsize = sizeof(struct sctp_getaddresses); 2272 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2273 2274 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2275 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2276 cpsz = sizeof(struct sockaddr_in6); 2277 } else { 2278 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2279 #ifdef INET 2280 case AF_INET: 2281 cpsz = sizeof(struct sockaddr_in); 2282 break; 2283 #endif 2284 #ifdef INET6 2285 case AF_INET6: 2286 cpsz = sizeof(struct sockaddr_in6); 2287 break; 2288 #endif 2289 default: 2290 cpsz = 0; 2291 break; 2292 } 2293 } 2294 if (cpsz == 0) { 2295 break; 2296 } 2297 if (left < cpsz) { 2298 /* not enough room. */ 2299 break; 2300 } 2301 #if defined(INET) && defined(INET6) 2302 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2303 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2304 /* Must map the address */ 2305 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2306 (struct sockaddr_in6 *)sas); 2307 } else { 2308 #endif 2309 memcpy(sas, &net->ro._l_addr, cpsz); 2310 #if defined(INET) && defined(INET6) 2311 } 2312 #endif 2313 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2314 2315 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2316 left -= cpsz; 2317 *optsize += cpsz; 2318 } 2319 SCTP_TCB_UNLOCK(stcb); 2320 } else { 2321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2322 error = ENOENT; 2323 } 2324 break; 2325 } 2326 case SCTP_GET_LOCAL_ADDRESSES: 2327 { 2328 size_t limit, actual; 2329 struct sockaddr_storage *sas; 2330 struct sctp_getaddresses *saddr; 2331 2332 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2333 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2334 2335 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2336 limit = *optsize - sizeof(sctp_assoc_t); 2337 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2338 if (stcb) { 2339 SCTP_TCB_UNLOCK(stcb); 2340 } 2341 *optsize = sizeof(struct sockaddr_storage) + actual; 2342 break; 2343 } 2344 case SCTP_PEER_ADDR_PARAMS: 2345 { 2346 struct sctp_paddrparams *paddrp; 2347 struct sctp_nets *net; 2348 2349 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2350 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2351 2352 net = NULL; 2353 if (stcb) { 2354 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2355 } else { 2356 /* 2357 * We increment here since 2358 * sctp_findassociation_ep_addr() wil do a 2359 * decrement if it finds the stcb as long as 2360 * the locked tcb (last argument) is NOT a 2361 * TCB.. aka NULL. 2362 */ 2363 SCTP_INP_INCR_REF(inp); 2364 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2365 if (stcb == NULL) { 2366 SCTP_INP_DECR_REF(inp); 2367 } 2368 } 2369 if (stcb && (net == NULL)) { 2370 struct sockaddr *sa; 2371 2372 sa = (struct sockaddr *)&paddrp->spp_address; 2373 #ifdef INET 2374 if (sa->sa_family == AF_INET) { 2375 struct sockaddr_in *sin; 2376 2377 sin = (struct sockaddr_in *)sa; 2378 if (sin->sin_addr.s_addr) { 2379 error = EINVAL; 2380 SCTP_TCB_UNLOCK(stcb); 2381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2382 break; 2383 } 2384 } else 2385 #endif 2386 #ifdef INET6 2387 if (sa->sa_family == AF_INET6) { 2388 struct sockaddr_in6 *sin6; 2389 2390 sin6 = (struct sockaddr_in6 *)sa; 2391 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2392 error = EINVAL; 2393 SCTP_TCB_UNLOCK(stcb); 2394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2395 break; 2396 } 2397 } else 2398 #endif 2399 { 2400 error = EAFNOSUPPORT; 2401 SCTP_TCB_UNLOCK(stcb); 2402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2403 break; 2404 } 2405 } 2406 if (stcb) { 2407 /* Applies to the specific association */ 2408 paddrp->spp_flags = 0; 2409 if (net) { 2410 int ovh; 2411 2412 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2413 ovh = SCTP_MED_OVERHEAD; 2414 } else { 2415 ovh = SCTP_MED_V4_OVERHEAD; 2416 } 2417 2418 paddrp->spp_hbinterval = net->heart_beat_delay; 2419 paddrp->spp_pathmaxrxt = net->failure_threshold; 2420 paddrp->spp_pathmtu = net->mtu - ovh; 2421 /* get flags for HB */ 2422 if (net->dest_state & SCTP_ADDR_NOHB) { 2423 paddrp->spp_flags |= SPP_HB_DISABLE; 2424 } else { 2425 paddrp->spp_flags |= SPP_HB_ENABLE; 2426 } 2427 /* get flags for PMTU */ 2428 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2429 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2430 } else { 2431 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2432 } 2433 if (net->dscp & 0x01) { 2434 paddrp->spp_dscp = net->dscp & 0xfc; 2435 paddrp->spp_flags |= SPP_DSCP; 2436 } 2437 #ifdef INET6 2438 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2439 (net->flowlabel & 0x80000000)) { 2440 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2441 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2442 } 2443 #endif 2444 } else { 2445 /* 2446 * No destination so return default 2447 * value 2448 */ 2449 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2450 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2451 if (stcb->asoc.default_dscp & 0x01) { 2452 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2453 paddrp->spp_flags |= SPP_DSCP; 2454 } 2455 #ifdef INET6 2456 if (stcb->asoc.default_flowlabel & 0x80000000) { 2457 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2458 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2459 } 2460 #endif 2461 /* default settings should be these */ 2462 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2463 paddrp->spp_flags |= SPP_HB_DISABLE; 2464 } else { 2465 paddrp->spp_flags |= SPP_HB_ENABLE; 2466 } 2467 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2468 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2469 } else { 2470 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2471 } 2472 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2473 } 2474 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2475 SCTP_TCB_UNLOCK(stcb); 2476 } else { 2477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2478 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2479 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2480 /* Use endpoint defaults */ 2481 SCTP_INP_RLOCK(inp); 2482 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2483 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2484 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2485 /* get inp's default */ 2486 if (inp->sctp_ep.default_dscp & 0x01) { 2487 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2488 paddrp->spp_flags |= SPP_DSCP; 2489 } 2490 #ifdef INET6 2491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2492 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2493 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2494 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2495 } 2496 #endif 2497 /* can't return this */ 2498 paddrp->spp_pathmtu = 0; 2499 2500 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2501 paddrp->spp_flags |= SPP_HB_ENABLE; 2502 } else { 2503 paddrp->spp_flags |= SPP_HB_DISABLE; 2504 } 2505 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2506 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2507 } else { 2508 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2509 } 2510 SCTP_INP_RUNLOCK(inp); 2511 } else { 2512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2513 error = EINVAL; 2514 } 2515 } 2516 if (error == 0) { 2517 *optsize = sizeof(struct sctp_paddrparams); 2518 } 2519 break; 2520 } 2521 case SCTP_GET_PEER_ADDR_INFO: 2522 { 2523 struct sctp_paddrinfo *paddri; 2524 struct sctp_nets *net; 2525 2526 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2527 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2528 2529 net = NULL; 2530 if (stcb) { 2531 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2532 } else { 2533 /* 2534 * We increment here since 2535 * sctp_findassociation_ep_addr() wil do a 2536 * decrement if it finds the stcb as long as 2537 * the locked tcb (last argument) is NOT a 2538 * TCB.. aka NULL. 2539 */ 2540 SCTP_INP_INCR_REF(inp); 2541 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2542 if (stcb == NULL) { 2543 SCTP_INP_DECR_REF(inp); 2544 } 2545 } 2546 2547 if ((stcb) && (net)) { 2548 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2549 /* It's unconfirmed */ 2550 paddri->spinfo_state = SCTP_UNCONFIRMED; 2551 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2552 /* It's active */ 2553 paddri->spinfo_state = SCTP_ACTIVE; 2554 } else { 2555 /* It's inactive */ 2556 paddri->spinfo_state = SCTP_INACTIVE; 2557 } 2558 paddri->spinfo_cwnd = net->cwnd; 2559 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2560 paddri->spinfo_rto = net->RTO; 2561 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2562 paddri->spinfo_mtu = net->mtu; 2563 SCTP_TCB_UNLOCK(stcb); 2564 *optsize = sizeof(struct sctp_paddrinfo); 2565 } else { 2566 if (stcb) { 2567 SCTP_TCB_UNLOCK(stcb); 2568 } 2569 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2570 error = ENOENT; 2571 } 2572 break; 2573 } 2574 case SCTP_PCB_STATUS: 2575 { 2576 struct sctp_pcbinfo *spcb; 2577 2578 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2579 sctp_fill_pcbinfo(spcb); 2580 *optsize = sizeof(struct sctp_pcbinfo); 2581 break; 2582 } 2583 case SCTP_STATUS: 2584 { 2585 struct sctp_nets *net; 2586 struct sctp_status *sstat; 2587 2588 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2589 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2590 2591 if (stcb == NULL) { 2592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2593 error = EINVAL; 2594 break; 2595 } 2596 /* 2597 * I think passing the state is fine since 2598 * sctp_constants.h will be available to the user 2599 * land. 2600 */ 2601 sstat->sstat_state = stcb->asoc.state; 2602 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2603 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2604 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2605 /* 2606 * We can't include chunks that have been passed to 2607 * the socket layer. Only things in queue. 2608 */ 2609 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2610 stcb->asoc.cnt_on_all_streams); 2611 2612 2613 sstat->sstat_instrms = stcb->asoc.streamincnt; 2614 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2615 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2616 memcpy(&sstat->sstat_primary.spinfo_address, 2617 &stcb->asoc.primary_destination->ro._l_addr, 2618 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2619 net = stcb->asoc.primary_destination; 2620 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2621 /* 2622 * Again the user can get info from sctp_constants.h 2623 * for what the state of the network is. 2624 */ 2625 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2626 /* It's unconfirmed */ 2627 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2628 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2629 /* It's active */ 2630 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2631 } else { 2632 /* It's inactive */ 2633 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2634 } 2635 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2636 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2637 sstat->sstat_primary.spinfo_rto = net->RTO; 2638 sstat->sstat_primary.spinfo_mtu = net->mtu; 2639 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2640 SCTP_TCB_UNLOCK(stcb); 2641 *optsize = sizeof(struct sctp_status); 2642 break; 2643 } 2644 case SCTP_RTOINFO: 2645 { 2646 struct sctp_rtoinfo *srto; 2647 2648 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2649 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2650 2651 if (stcb) { 2652 srto->srto_initial = stcb->asoc.initial_rto; 2653 srto->srto_max = stcb->asoc.maxrto; 2654 srto->srto_min = stcb->asoc.minrto; 2655 SCTP_TCB_UNLOCK(stcb); 2656 } else { 2657 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2658 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2659 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2660 SCTP_INP_RLOCK(inp); 2661 srto->srto_initial = inp->sctp_ep.initial_rto; 2662 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2663 srto->srto_min = inp->sctp_ep.sctp_minrto; 2664 SCTP_INP_RUNLOCK(inp); 2665 } else { 2666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2667 error = EINVAL; 2668 } 2669 } 2670 if (error == 0) { 2671 *optsize = sizeof(struct sctp_rtoinfo); 2672 } 2673 break; 2674 } 2675 case SCTP_TIMEOUTS: 2676 { 2677 struct sctp_timeouts *stimo; 2678 2679 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2680 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2681 2682 if (stcb) { 2683 stimo->stimo_init = stcb->asoc.timoinit; 2684 stimo->stimo_data = stcb->asoc.timodata; 2685 stimo->stimo_sack = stcb->asoc.timosack; 2686 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2687 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2688 stimo->stimo_cookie = stcb->asoc.timocookie; 2689 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2690 SCTP_TCB_UNLOCK(stcb); 2691 *optsize = sizeof(struct sctp_timeouts); 2692 } else { 2693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2694 error = EINVAL; 2695 } 2696 break; 2697 } 2698 case SCTP_ASSOCINFO: 2699 { 2700 struct sctp_assocparams *sasoc; 2701 2702 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2703 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2704 2705 if (stcb) { 2706 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2707 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2708 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2709 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2710 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2711 SCTP_TCB_UNLOCK(stcb); 2712 } else { 2713 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2714 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2715 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2716 SCTP_INP_RLOCK(inp); 2717 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2718 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2719 sasoc->sasoc_number_peer_destinations = 0; 2720 sasoc->sasoc_peer_rwnd = 0; 2721 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2722 SCTP_INP_RUNLOCK(inp); 2723 } else { 2724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2725 error = EINVAL; 2726 } 2727 } 2728 if (error == 0) { 2729 *optsize = sizeof(struct sctp_assocparams); 2730 } 2731 break; 2732 } 2733 case SCTP_DEFAULT_SEND_PARAM: 2734 { 2735 struct sctp_sndrcvinfo *s_info; 2736 2737 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2738 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2739 2740 if (stcb) { 2741 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2742 SCTP_TCB_UNLOCK(stcb); 2743 } else { 2744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2746 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2747 SCTP_INP_RLOCK(inp); 2748 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2749 SCTP_INP_RUNLOCK(inp); 2750 } else { 2751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2752 error = EINVAL; 2753 } 2754 } 2755 if (error == 0) { 2756 *optsize = sizeof(struct sctp_sndrcvinfo); 2757 } 2758 break; 2759 } 2760 case SCTP_INITMSG: 2761 { 2762 struct sctp_initmsg *sinit; 2763 2764 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2765 SCTP_INP_RLOCK(inp); 2766 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2767 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2768 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2769 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2770 SCTP_INP_RUNLOCK(inp); 2771 *optsize = sizeof(struct sctp_initmsg); 2772 break; 2773 } 2774 case SCTP_PRIMARY_ADDR: 2775 /* we allow a "get" operation on this */ 2776 { 2777 struct sctp_setprim *ssp; 2778 2779 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2780 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2781 2782 if (stcb) { 2783 /* simply copy out the sockaddr_storage... */ 2784 int len; 2785 2786 len = *optsize; 2787 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2788 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2789 2790 memcpy(&ssp->ssp_addr, 2791 &stcb->asoc.primary_destination->ro._l_addr, 2792 len); 2793 SCTP_TCB_UNLOCK(stcb); 2794 *optsize = sizeof(struct sctp_setprim); 2795 } else { 2796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2797 error = EINVAL; 2798 } 2799 break; 2800 } 2801 case SCTP_HMAC_IDENT: 2802 { 2803 struct sctp_hmacalgo *shmac; 2804 sctp_hmaclist_t *hmaclist; 2805 uint32_t size; 2806 int i; 2807 2808 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2809 2810 SCTP_INP_RLOCK(inp); 2811 hmaclist = inp->sctp_ep.local_hmacs; 2812 if (hmaclist == NULL) { 2813 /* no HMACs to return */ 2814 *optsize = sizeof(*shmac); 2815 SCTP_INP_RUNLOCK(inp); 2816 break; 2817 } 2818 /* is there room for all of the hmac ids? */ 2819 size = sizeof(*shmac) + (hmaclist->num_algo * 2820 sizeof(shmac->shmac_idents[0])); 2821 if ((size_t)(*optsize) < size) { 2822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2823 error = EINVAL; 2824 SCTP_INP_RUNLOCK(inp); 2825 break; 2826 } 2827 /* copy in the list */ 2828 shmac->shmac_number_of_idents = hmaclist->num_algo; 2829 for (i = 0; i < hmaclist->num_algo; i++) { 2830 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2831 } 2832 SCTP_INP_RUNLOCK(inp); 2833 *optsize = size; 2834 break; 2835 } 2836 case SCTP_AUTH_ACTIVE_KEY: 2837 { 2838 struct sctp_authkeyid *scact; 2839 2840 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2841 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2842 2843 if (stcb) { 2844 /* get the active key on the assoc */ 2845 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2846 SCTP_TCB_UNLOCK(stcb); 2847 } else { 2848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2849 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2850 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2851 /* get the endpoint active key */ 2852 SCTP_INP_RLOCK(inp); 2853 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2854 SCTP_INP_RUNLOCK(inp); 2855 } else { 2856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2857 error = EINVAL; 2858 } 2859 } 2860 if (error == 0) { 2861 *optsize = sizeof(struct sctp_authkeyid); 2862 } 2863 break; 2864 } 2865 case SCTP_LOCAL_AUTH_CHUNKS: 2866 { 2867 struct sctp_authchunks *sac; 2868 sctp_auth_chklist_t *chklist = NULL; 2869 size_t size = 0; 2870 2871 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2872 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2873 2874 if (stcb) { 2875 /* get off the assoc */ 2876 chklist = stcb->asoc.local_auth_chunks; 2877 /* is there enough space? */ 2878 size = sctp_auth_get_chklist_size(chklist); 2879 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2880 error = EINVAL; 2881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2882 } else { 2883 /* copy in the chunks */ 2884 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2885 *optsize = sizeof(struct sctp_authchunks) + size; 2886 } 2887 SCTP_TCB_UNLOCK(stcb); 2888 } else { 2889 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2890 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2891 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2892 /* get off the endpoint */ 2893 SCTP_INP_RLOCK(inp); 2894 chklist = inp->sctp_ep.local_auth_chunks; 2895 /* is there enough space? */ 2896 size = sctp_auth_get_chklist_size(chklist); 2897 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2898 error = EINVAL; 2899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2900 } else { 2901 /* copy in the chunks */ 2902 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2903 *optsize = sizeof(struct sctp_authchunks) + size; 2904 } 2905 SCTP_INP_RUNLOCK(inp); 2906 } else { 2907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2908 error = EINVAL; 2909 } 2910 } 2911 break; 2912 } 2913 case SCTP_PEER_AUTH_CHUNKS: 2914 { 2915 struct sctp_authchunks *sac; 2916 sctp_auth_chklist_t *chklist = NULL; 2917 size_t size = 0; 2918 2919 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2920 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2921 2922 if (stcb) { 2923 /* get off the assoc */ 2924 chklist = stcb->asoc.peer_auth_chunks; 2925 /* is there enough space? */ 2926 size = sctp_auth_get_chklist_size(chklist); 2927 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2928 error = EINVAL; 2929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2930 } else { 2931 /* copy in the chunks */ 2932 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2933 *optsize = sizeof(struct sctp_authchunks) + size; 2934 } 2935 SCTP_TCB_UNLOCK(stcb); 2936 } else { 2937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2938 error = ENOENT; 2939 } 2940 break; 2941 } 2942 case SCTP_EVENT: 2943 { 2944 struct sctp_event *event; 2945 uint32_t event_type; 2946 2947 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2948 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2949 2950 switch (event->se_type) { 2951 case SCTP_ASSOC_CHANGE: 2952 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2953 break; 2954 case SCTP_PEER_ADDR_CHANGE: 2955 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2956 break; 2957 case SCTP_REMOTE_ERROR: 2958 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2959 break; 2960 case SCTP_SEND_FAILED: 2961 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2962 break; 2963 case SCTP_SHUTDOWN_EVENT: 2964 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2965 break; 2966 case SCTP_ADAPTATION_INDICATION: 2967 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2968 break; 2969 case SCTP_PARTIAL_DELIVERY_EVENT: 2970 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2971 break; 2972 case SCTP_AUTHENTICATION_EVENT: 2973 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2974 break; 2975 case SCTP_STREAM_RESET_EVENT: 2976 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2977 break; 2978 case SCTP_SENDER_DRY_EVENT: 2979 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2980 break; 2981 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2982 event_type = 0; 2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2984 error = ENOTSUP; 2985 break; 2986 default: 2987 event_type = 0; 2988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2989 error = EINVAL; 2990 break; 2991 } 2992 if (event_type > 0) { 2993 if (stcb) { 2994 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2995 SCTP_TCB_UNLOCK(stcb); 2996 } else { 2997 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2998 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2999 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3000 SCTP_INP_RLOCK(inp); 3001 event->se_on = sctp_is_feature_on(inp, event_type); 3002 SCTP_INP_RUNLOCK(inp); 3003 } else { 3004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3005 error = EINVAL; 3006 } 3007 } 3008 } 3009 if (error == 0) { 3010 *optsize = sizeof(struct sctp_event); 3011 } 3012 break; 3013 } 3014 case SCTP_RECVRCVINFO: 3015 { 3016 int onoff; 3017 3018 if (*optsize < sizeof(int)) { 3019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3020 error = EINVAL; 3021 } else { 3022 SCTP_INP_RLOCK(inp); 3023 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3024 SCTP_INP_RUNLOCK(inp); 3025 } 3026 if (error == 0) { 3027 /* return the option value */ 3028 *(int *)optval = onoff; 3029 *optsize = sizeof(int); 3030 } 3031 break; 3032 } 3033 case SCTP_RECVNXTINFO: 3034 { 3035 int onoff; 3036 3037 if (*optsize < sizeof(int)) { 3038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3039 error = EINVAL; 3040 } else { 3041 SCTP_INP_RLOCK(inp); 3042 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3043 SCTP_INP_RUNLOCK(inp); 3044 } 3045 if (error == 0) { 3046 /* return the option value */ 3047 *(int *)optval = onoff; 3048 *optsize = sizeof(int); 3049 } 3050 break; 3051 } 3052 case SCTP_DEFAULT_SNDINFO: 3053 { 3054 struct sctp_sndinfo *info; 3055 3056 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3057 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3058 3059 if (stcb) { 3060 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3061 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3062 info->snd_flags &= 0xfff0; 3063 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3064 info->snd_context = stcb->asoc.def_send.sinfo_context; 3065 SCTP_TCB_UNLOCK(stcb); 3066 } else { 3067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3068 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3069 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3070 SCTP_INP_RLOCK(inp); 3071 info->snd_sid = inp->def_send.sinfo_stream; 3072 info->snd_flags = inp->def_send.sinfo_flags; 3073 info->snd_flags &= 0xfff0; 3074 info->snd_ppid = inp->def_send.sinfo_ppid; 3075 info->snd_context = inp->def_send.sinfo_context; 3076 SCTP_INP_RUNLOCK(inp); 3077 } else { 3078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3079 error = EINVAL; 3080 } 3081 } 3082 if (error == 0) { 3083 *optsize = sizeof(struct sctp_sndinfo); 3084 } 3085 break; 3086 } 3087 case SCTP_DEFAULT_PRINFO: 3088 { 3089 struct sctp_default_prinfo *info; 3090 3091 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3092 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3093 3094 if (stcb) { 3095 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3096 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3097 SCTP_TCB_UNLOCK(stcb); 3098 } else { 3099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3101 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3102 SCTP_INP_RLOCK(inp); 3103 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3104 info->pr_value = inp->def_send.sinfo_timetolive; 3105 SCTP_INP_RUNLOCK(inp); 3106 } else { 3107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3108 error = EINVAL; 3109 } 3110 } 3111 if (error == 0) { 3112 *optsize = sizeof(struct sctp_default_prinfo); 3113 } 3114 break; 3115 } 3116 case SCTP_PEER_ADDR_THLDS: 3117 { 3118 struct sctp_paddrthlds *thlds; 3119 struct sctp_nets *net; 3120 3121 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3122 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3123 3124 net = NULL; 3125 if (stcb) { 3126 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3127 } else { 3128 /* 3129 * We increment here since 3130 * sctp_findassociation_ep_addr() wil do a 3131 * decrement if it finds the stcb as long as 3132 * the locked tcb (last argument) is NOT a 3133 * TCB.. aka NULL. 3134 */ 3135 SCTP_INP_INCR_REF(inp); 3136 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3137 if (stcb == NULL) { 3138 SCTP_INP_DECR_REF(inp); 3139 } 3140 } 3141 if (stcb && (net == NULL)) { 3142 struct sockaddr *sa; 3143 3144 sa = (struct sockaddr *)&thlds->spt_address; 3145 #ifdef INET 3146 if (sa->sa_family == AF_INET) { 3147 struct sockaddr_in *sin; 3148 3149 sin = (struct sockaddr_in *)sa; 3150 if (sin->sin_addr.s_addr) { 3151 error = EINVAL; 3152 SCTP_TCB_UNLOCK(stcb); 3153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3154 break; 3155 } 3156 } else 3157 #endif 3158 #ifdef INET6 3159 if (sa->sa_family == AF_INET6) { 3160 struct sockaddr_in6 *sin6; 3161 3162 sin6 = (struct sockaddr_in6 *)sa; 3163 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3164 error = EINVAL; 3165 SCTP_TCB_UNLOCK(stcb); 3166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3167 break; 3168 } 3169 } else 3170 #endif 3171 { 3172 error = EAFNOSUPPORT; 3173 SCTP_TCB_UNLOCK(stcb); 3174 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3175 break; 3176 } 3177 } 3178 if (stcb) { 3179 if (net) { 3180 thlds->spt_pathmaxrxt = net->failure_threshold; 3181 thlds->spt_pathpfthld = net->pf_threshold; 3182 } else { 3183 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3184 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3185 } 3186 thlds->spt_assoc_id = sctp_get_associd(stcb); 3187 SCTP_TCB_UNLOCK(stcb); 3188 } else { 3189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3191 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3192 /* Use endpoint defaults */ 3193 SCTP_INP_RLOCK(inp); 3194 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3195 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3196 SCTP_INP_RUNLOCK(inp); 3197 } else { 3198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3199 error = EINVAL; 3200 } 3201 } 3202 if (error == 0) { 3203 *optsize = sizeof(struct sctp_paddrthlds); 3204 } 3205 break; 3206 } 3207 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3208 { 3209 struct sctp_udpencaps *encaps; 3210 struct sctp_nets *net; 3211 3212 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3213 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3214 3215 if (stcb) { 3216 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3217 } else { 3218 /* 3219 * We increment here since 3220 * sctp_findassociation_ep_addr() wil do a 3221 * decrement if it finds the stcb as long as 3222 * the locked tcb (last argument) is NOT a 3223 * TCB.. aka NULL. 3224 */ 3225 net = NULL; 3226 SCTP_INP_INCR_REF(inp); 3227 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3228 if (stcb == NULL) { 3229 SCTP_INP_DECR_REF(inp); 3230 } 3231 } 3232 if (stcb && (net == NULL)) { 3233 struct sockaddr *sa; 3234 3235 sa = (struct sockaddr *)&encaps->sue_address; 3236 #ifdef INET 3237 if (sa->sa_family == AF_INET) { 3238 struct sockaddr_in *sin; 3239 3240 sin = (struct sockaddr_in *)sa; 3241 if (sin->sin_addr.s_addr) { 3242 error = EINVAL; 3243 SCTP_TCB_UNLOCK(stcb); 3244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3245 break; 3246 } 3247 } else 3248 #endif 3249 #ifdef INET6 3250 if (sa->sa_family == AF_INET6) { 3251 struct sockaddr_in6 *sin6; 3252 3253 sin6 = (struct sockaddr_in6 *)sa; 3254 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3255 error = EINVAL; 3256 SCTP_TCB_UNLOCK(stcb); 3257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3258 break; 3259 } 3260 } else 3261 #endif 3262 { 3263 error = EAFNOSUPPORT; 3264 SCTP_TCB_UNLOCK(stcb); 3265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3266 break; 3267 } 3268 } 3269 if (stcb) { 3270 if (net) { 3271 encaps->sue_port = net->port; 3272 } else { 3273 encaps->sue_port = stcb->asoc.port; 3274 } 3275 SCTP_TCB_UNLOCK(stcb); 3276 } else { 3277 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3278 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3279 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3280 SCTP_INP_RLOCK(inp); 3281 encaps->sue_port = inp->sctp_ep.port; 3282 SCTP_INP_RUNLOCK(inp); 3283 } else { 3284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3285 error = EINVAL; 3286 } 3287 } 3288 if (error == 0) { 3289 *optsize = sizeof(struct sctp_paddrparams); 3290 } 3291 break; 3292 } 3293 default: 3294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3295 error = ENOPROTOOPT; 3296 break; 3297 } /* end switch (sopt->sopt_name) */ 3298 if (error) { 3299 *optsize = 0; 3300 } 3301 return (error); 3302 } 3303 3304 static int 3305 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3306 void *p) 3307 { 3308 int error, set_opt; 3309 uint32_t *mopt; 3310 struct sctp_tcb *stcb = NULL; 3311 struct sctp_inpcb *inp = NULL; 3312 uint32_t vrf_id; 3313 3314 if (optval == NULL) { 3315 SCTP_PRINTF("optval is NULL\n"); 3316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3317 return (EINVAL); 3318 } 3319 inp = (struct sctp_inpcb *)so->so_pcb; 3320 if (inp == 0) { 3321 SCTP_PRINTF("inp is NULL?\n"); 3322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3323 return (EINVAL); 3324 } 3325 vrf_id = inp->def_vrf_id; 3326 3327 error = 0; 3328 switch (optname) { 3329 case SCTP_NODELAY: 3330 case SCTP_AUTOCLOSE: 3331 case SCTP_AUTO_ASCONF: 3332 case SCTP_EXPLICIT_EOR: 3333 case SCTP_DISABLE_FRAGMENTS: 3334 case SCTP_USE_EXT_RCVINFO: 3335 case SCTP_I_WANT_MAPPED_V4_ADDR: 3336 /* copy in the option value */ 3337 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3338 set_opt = 0; 3339 if (error) 3340 break; 3341 switch (optname) { 3342 case SCTP_DISABLE_FRAGMENTS: 3343 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3344 break; 3345 case SCTP_AUTO_ASCONF: 3346 /* 3347 * NOTE: we don't really support this flag 3348 */ 3349 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3350 /* only valid for bound all sockets */ 3351 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3352 (*mopt != 0)) { 3353 /* forbidden by admin */ 3354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3355 return (EPERM); 3356 } 3357 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3358 } else { 3359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3360 return (EINVAL); 3361 } 3362 break; 3363 case SCTP_EXPLICIT_EOR: 3364 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3365 break; 3366 case SCTP_USE_EXT_RCVINFO: 3367 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3368 break; 3369 case SCTP_I_WANT_MAPPED_V4_ADDR: 3370 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3371 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3372 } else { 3373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3374 return (EINVAL); 3375 } 3376 break; 3377 case SCTP_NODELAY: 3378 set_opt = SCTP_PCB_FLAGS_NODELAY; 3379 break; 3380 case SCTP_AUTOCLOSE: 3381 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3382 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3384 return (EINVAL); 3385 } 3386 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3387 /* 3388 * The value is in ticks. Note this does not effect 3389 * old associations, only new ones. 3390 */ 3391 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3392 break; 3393 } 3394 SCTP_INP_WLOCK(inp); 3395 if (*mopt != 0) { 3396 sctp_feature_on(inp, set_opt); 3397 } else { 3398 sctp_feature_off(inp, set_opt); 3399 } 3400 SCTP_INP_WUNLOCK(inp); 3401 break; 3402 case SCTP_REUSE_PORT: 3403 { 3404 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3405 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3406 /* Can't set it after we are bound */ 3407 error = EINVAL; 3408 break; 3409 } 3410 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3411 /* Can't do this for a 1-m socket */ 3412 error = EINVAL; 3413 break; 3414 } 3415 if (optval) 3416 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3417 else 3418 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3419 break; 3420 } 3421 case SCTP_PARTIAL_DELIVERY_POINT: 3422 { 3423 uint32_t *value; 3424 3425 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3426 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3428 error = EINVAL; 3429 break; 3430 } 3431 inp->partial_delivery_point = *value; 3432 break; 3433 } 3434 case SCTP_FRAGMENT_INTERLEAVE: 3435 /* not yet until we re-write sctp_recvmsg() */ 3436 { 3437 uint32_t *level; 3438 3439 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3440 if (*level == SCTP_FRAG_LEVEL_2) { 3441 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3442 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3443 } else if (*level == SCTP_FRAG_LEVEL_1) { 3444 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3445 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3446 } else if (*level == SCTP_FRAG_LEVEL_0) { 3447 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3448 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3449 3450 } else { 3451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3452 error = EINVAL; 3453 } 3454 break; 3455 } 3456 case SCTP_CMT_ON_OFF: 3457 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3458 struct sctp_assoc_value *av; 3459 3460 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3461 if (av->assoc_value > SCTP_CMT_MAX) { 3462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3463 error = EINVAL; 3464 break; 3465 } 3466 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3467 if (stcb) { 3468 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3469 SCTP_TCB_UNLOCK(stcb); 3470 } else { 3471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3473 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3474 (av->assoc_id == SCTP_ALL_ASSOC)) { 3475 SCTP_INP_WLOCK(inp); 3476 inp->sctp_cmt_on_off = av->assoc_value; 3477 SCTP_INP_WUNLOCK(inp); 3478 } 3479 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3480 (av->assoc_id == SCTP_ALL_ASSOC)) { 3481 SCTP_INP_RLOCK(inp); 3482 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3483 SCTP_TCB_LOCK(stcb); 3484 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3485 SCTP_TCB_UNLOCK(stcb); 3486 } 3487 SCTP_INP_RUNLOCK(inp); 3488 } 3489 } 3490 } else { 3491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3492 error = ENOPROTOOPT; 3493 } 3494 break; 3495 case SCTP_PLUGGABLE_CC: 3496 { 3497 struct sctp_assoc_value *av; 3498 struct sctp_nets *net; 3499 3500 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3501 if ((av->assoc_value != SCTP_CC_RFC2581) && 3502 (av->assoc_value != SCTP_CC_HSTCP) && 3503 (av->assoc_value != SCTP_CC_HTCP) && 3504 (av->assoc_value != SCTP_CC_RTCC)) { 3505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3506 error = EINVAL; 3507 break; 3508 } 3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3510 if (stcb) { 3511 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3512 stcb->asoc.congestion_control_module = av->assoc_value; 3513 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3515 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3516 } 3517 } 3518 SCTP_TCB_UNLOCK(stcb); 3519 } else { 3520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3522 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3523 (av->assoc_id == SCTP_ALL_ASSOC)) { 3524 SCTP_INP_WLOCK(inp); 3525 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3526 SCTP_INP_WUNLOCK(inp); 3527 } 3528 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3529 (av->assoc_id == SCTP_ALL_ASSOC)) { 3530 SCTP_INP_RLOCK(inp); 3531 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3532 SCTP_TCB_LOCK(stcb); 3533 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3534 stcb->asoc.congestion_control_module = av->assoc_value; 3535 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3536 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3537 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3538 } 3539 } 3540 SCTP_TCB_UNLOCK(stcb); 3541 } 3542 SCTP_INP_RUNLOCK(inp); 3543 } 3544 } 3545 break; 3546 } 3547 case SCTP_CC_OPTION: 3548 { 3549 struct sctp_cc_option *cc_opt; 3550 3551 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3552 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3553 if (stcb == NULL) { 3554 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3555 SCTP_INP_RLOCK(inp); 3556 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3557 SCTP_TCB_LOCK(stcb); 3558 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3559 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3560 } 3561 SCTP_TCB_UNLOCK(stcb); 3562 } 3563 SCTP_INP_RUNLOCK(inp); 3564 } else { 3565 error = EINVAL; 3566 } 3567 } else { 3568 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3569 error = ENOTSUP; 3570 } else { 3571 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3572 cc_opt); 3573 } 3574 SCTP_TCB_UNLOCK(stcb); 3575 } 3576 break; 3577 } 3578 case SCTP_PLUGGABLE_SS: 3579 { 3580 struct sctp_assoc_value *av; 3581 3582 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3583 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3584 (av->assoc_value != SCTP_SS_DEFAULT) && 3585 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3586 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3587 (av->assoc_value != SCTP_SS_PRIORITY) && 3588 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3589 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3591 error = EINVAL; 3592 break; 3593 } 3594 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3595 if (stcb) { 3596 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3597 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3598 stcb->asoc.stream_scheduling_module = av->assoc_value; 3599 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3600 SCTP_TCB_UNLOCK(stcb); 3601 } else { 3602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3604 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3605 (av->assoc_id == SCTP_ALL_ASSOC)) { 3606 SCTP_INP_WLOCK(inp); 3607 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3608 SCTP_INP_WUNLOCK(inp); 3609 } 3610 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3611 (av->assoc_id == SCTP_ALL_ASSOC)) { 3612 SCTP_INP_RLOCK(inp); 3613 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3614 SCTP_TCB_LOCK(stcb); 3615 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3616 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3617 stcb->asoc.stream_scheduling_module = av->assoc_value; 3618 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3619 SCTP_TCB_UNLOCK(stcb); 3620 } 3621 SCTP_INP_RUNLOCK(inp); 3622 } 3623 } 3624 break; 3625 } 3626 case SCTP_SS_VALUE: 3627 { 3628 struct sctp_stream_value *av; 3629 3630 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3631 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3632 if (stcb) { 3633 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3634 av->stream_value) < 0) { 3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636 error = EINVAL; 3637 } 3638 SCTP_TCB_UNLOCK(stcb); 3639 } else { 3640 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3641 SCTP_INP_RLOCK(inp); 3642 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3643 SCTP_TCB_LOCK(stcb); 3644 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3645 &stcb->asoc, 3646 &stcb->asoc.strmout[av->stream_id], 3647 av->stream_value); 3648 SCTP_TCB_UNLOCK(stcb); 3649 } 3650 SCTP_INP_RUNLOCK(inp); 3651 3652 } else { 3653 /* 3654 * Can't set stream value without 3655 * association 3656 */ 3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3658 error = EINVAL; 3659 } 3660 } 3661 break; 3662 } 3663 case SCTP_CLR_STAT_LOG: 3664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3665 error = EOPNOTSUPP; 3666 break; 3667 case SCTP_CONTEXT: 3668 { 3669 struct sctp_assoc_value *av; 3670 3671 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3672 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3673 3674 if (stcb) { 3675 stcb->asoc.context = av->assoc_value; 3676 SCTP_TCB_UNLOCK(stcb); 3677 } else { 3678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3680 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3681 (av->assoc_id == SCTP_ALL_ASSOC)) { 3682 SCTP_INP_WLOCK(inp); 3683 inp->sctp_context = av->assoc_value; 3684 SCTP_INP_WUNLOCK(inp); 3685 } 3686 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3687 (av->assoc_id == SCTP_ALL_ASSOC)) { 3688 SCTP_INP_RLOCK(inp); 3689 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3690 SCTP_TCB_LOCK(stcb); 3691 stcb->asoc.context = av->assoc_value; 3692 SCTP_TCB_UNLOCK(stcb); 3693 } 3694 SCTP_INP_RUNLOCK(inp); 3695 } 3696 } 3697 break; 3698 } 3699 case SCTP_VRF_ID: 3700 { 3701 uint32_t *default_vrfid; 3702 3703 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3704 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3706 error = EINVAL; 3707 break; 3708 } 3709 inp->def_vrf_id = *default_vrfid; 3710 break; 3711 } 3712 case SCTP_DEL_VRF_ID: 3713 { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3715 error = EOPNOTSUPP; 3716 break; 3717 } 3718 case SCTP_ADD_VRF_ID: 3719 { 3720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3721 error = EOPNOTSUPP; 3722 break; 3723 } 3724 case SCTP_DELAYED_SACK: 3725 { 3726 struct sctp_sack_info *sack; 3727 3728 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3729 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3730 if (sack->sack_delay) { 3731 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3732 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3733 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3734 sack->sack_delay = TICKS_TO_MSEC(1); 3735 } 3736 } 3737 if (stcb) { 3738 if (sack->sack_delay) { 3739 stcb->asoc.delayed_ack = sack->sack_delay; 3740 } 3741 if (sack->sack_freq) { 3742 stcb->asoc.sack_freq = sack->sack_freq; 3743 } 3744 SCTP_TCB_UNLOCK(stcb); 3745 } else { 3746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3748 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3749 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3750 SCTP_INP_WLOCK(inp); 3751 if (sack->sack_delay) { 3752 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3753 } 3754 if (sack->sack_freq) { 3755 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3756 } 3757 SCTP_INP_WUNLOCK(inp); 3758 } 3759 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3760 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3761 SCTP_INP_RLOCK(inp); 3762 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3763 SCTP_TCB_LOCK(stcb); 3764 if (sack->sack_delay) { 3765 stcb->asoc.delayed_ack = sack->sack_delay; 3766 } 3767 if (sack->sack_freq) { 3768 stcb->asoc.sack_freq = sack->sack_freq; 3769 } 3770 SCTP_TCB_UNLOCK(stcb); 3771 } 3772 SCTP_INP_RUNLOCK(inp); 3773 } 3774 } 3775 break; 3776 } 3777 case SCTP_AUTH_CHUNK: 3778 { 3779 struct sctp_authchunk *sauth; 3780 3781 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3782 3783 SCTP_INP_WLOCK(inp); 3784 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3786 error = EINVAL; 3787 } 3788 SCTP_INP_WUNLOCK(inp); 3789 break; 3790 } 3791 case SCTP_AUTH_KEY: 3792 { 3793 struct sctp_authkey *sca; 3794 struct sctp_keyhead *shared_keys; 3795 sctp_sharedkey_t *shared_key; 3796 sctp_key_t *key = NULL; 3797 size_t size; 3798 3799 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3800 if (sca->sca_keylength == 0) { 3801 size = optsize - sizeof(struct sctp_authkey); 3802 } else { 3803 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3804 size = sca->sca_keylength; 3805 } else { 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3807 error = EINVAL; 3808 break; 3809 } 3810 } 3811 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3812 3813 if (stcb) { 3814 shared_keys = &stcb->asoc.shared_keys; 3815 /* clear the cached keys for this key id */ 3816 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3817 /* 3818 * create the new shared key and 3819 * insert/replace it 3820 */ 3821 if (size > 0) { 3822 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3823 if (key == NULL) { 3824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3825 error = ENOMEM; 3826 SCTP_TCB_UNLOCK(stcb); 3827 break; 3828 } 3829 } 3830 shared_key = sctp_alloc_sharedkey(); 3831 if (shared_key == NULL) { 3832 sctp_free_key(key); 3833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3834 error = ENOMEM; 3835 SCTP_TCB_UNLOCK(stcb); 3836 break; 3837 } 3838 shared_key->key = key; 3839 shared_key->keyid = sca->sca_keynumber; 3840 error = sctp_insert_sharedkey(shared_keys, shared_key); 3841 SCTP_TCB_UNLOCK(stcb); 3842 } else { 3843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3845 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3846 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3847 SCTP_INP_WLOCK(inp); 3848 shared_keys = &inp->sctp_ep.shared_keys; 3849 /* 3850 * clear the cached keys on all 3851 * assocs for this key id 3852 */ 3853 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3854 /* 3855 * create the new shared key and 3856 * insert/replace it 3857 */ 3858 if (size > 0) { 3859 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3860 if (key == NULL) { 3861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3862 error = ENOMEM; 3863 SCTP_INP_WUNLOCK(inp); 3864 break; 3865 } 3866 } 3867 shared_key = sctp_alloc_sharedkey(); 3868 if (shared_key == NULL) { 3869 sctp_free_key(key); 3870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3871 error = ENOMEM; 3872 SCTP_INP_WUNLOCK(inp); 3873 break; 3874 } 3875 shared_key->key = key; 3876 shared_key->keyid = sca->sca_keynumber; 3877 error = sctp_insert_sharedkey(shared_keys, shared_key); 3878 SCTP_INP_WUNLOCK(inp); 3879 } 3880 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3881 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3882 SCTP_INP_RLOCK(inp); 3883 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3884 SCTP_TCB_LOCK(stcb); 3885 shared_keys = &stcb->asoc.shared_keys; 3886 /* 3887 * clear the cached keys for 3888 * this key id 3889 */ 3890 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3891 /* 3892 * create the new shared key 3893 * and insert/replace it 3894 */ 3895 if (size > 0) { 3896 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3897 if (key == NULL) { 3898 SCTP_TCB_UNLOCK(stcb); 3899 continue; 3900 } 3901 } 3902 shared_key = sctp_alloc_sharedkey(); 3903 if (shared_key == NULL) { 3904 sctp_free_key(key); 3905 SCTP_TCB_UNLOCK(stcb); 3906 continue; 3907 } 3908 shared_key->key = key; 3909 shared_key->keyid = sca->sca_keynumber; 3910 error = sctp_insert_sharedkey(shared_keys, shared_key); 3911 SCTP_TCB_UNLOCK(stcb); 3912 } 3913 SCTP_INP_RUNLOCK(inp); 3914 } 3915 } 3916 break; 3917 } 3918 case SCTP_HMAC_IDENT: 3919 { 3920 struct sctp_hmacalgo *shmac; 3921 sctp_hmaclist_t *hmaclist; 3922 uint16_t hmacid; 3923 uint32_t i; 3924 size_t found; 3925 3926 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3927 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3929 error = EINVAL; 3930 break; 3931 } 3932 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3933 if (hmaclist == NULL) { 3934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3935 error = ENOMEM; 3936 break; 3937 } 3938 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3939 hmacid = shmac->shmac_idents[i]; 3940 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3941 /* invalid HMACs were found */ ; 3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3943 error = EINVAL; 3944 sctp_free_hmaclist(hmaclist); 3945 goto sctp_set_hmac_done; 3946 } 3947 } 3948 found = 0; 3949 for (i = 0; i < hmaclist->num_algo; i++) { 3950 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3951 /* already in list */ 3952 found = 1; 3953 } 3954 } 3955 if (!found) { 3956 sctp_free_hmaclist(hmaclist); 3957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3958 error = EINVAL; 3959 break; 3960 } 3961 /* set it on the endpoint */ 3962 SCTP_INP_WLOCK(inp); 3963 if (inp->sctp_ep.local_hmacs) 3964 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3965 inp->sctp_ep.local_hmacs = hmaclist; 3966 SCTP_INP_WUNLOCK(inp); 3967 sctp_set_hmac_done: 3968 break; 3969 } 3970 case SCTP_AUTH_ACTIVE_KEY: 3971 { 3972 struct sctp_authkeyid *scact; 3973 3974 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3975 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3976 3977 /* set the active key on the right place */ 3978 if (stcb) { 3979 /* set the active key on the assoc */ 3980 if (sctp_auth_setactivekey(stcb, 3981 scact->scact_keynumber)) { 3982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3983 SCTP_FROM_SCTP_USRREQ, 3984 EINVAL); 3985 error = EINVAL; 3986 } 3987 SCTP_TCB_UNLOCK(stcb); 3988 } else { 3989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3991 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3992 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3993 SCTP_INP_WLOCK(inp); 3994 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 3995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3996 error = EINVAL; 3997 } 3998 SCTP_INP_WUNLOCK(inp); 3999 } 4000 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4001 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4002 SCTP_INP_RLOCK(inp); 4003 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4004 SCTP_TCB_LOCK(stcb); 4005 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4006 SCTP_TCB_UNLOCK(stcb); 4007 } 4008 SCTP_INP_RUNLOCK(inp); 4009 } 4010 } 4011 break; 4012 } 4013 case SCTP_AUTH_DELETE_KEY: 4014 { 4015 struct sctp_authkeyid *scdel; 4016 4017 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4018 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4019 4020 /* delete the key from the right place */ 4021 if (stcb) { 4022 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4024 error = EINVAL; 4025 } 4026 SCTP_TCB_UNLOCK(stcb); 4027 } else { 4028 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4029 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4030 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4031 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4032 SCTP_INP_WLOCK(inp); 4033 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4035 error = EINVAL; 4036 } 4037 SCTP_INP_WUNLOCK(inp); 4038 } 4039 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4040 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4041 SCTP_INP_RLOCK(inp); 4042 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4043 SCTP_TCB_LOCK(stcb); 4044 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4045 SCTP_TCB_UNLOCK(stcb); 4046 } 4047 SCTP_INP_RUNLOCK(inp); 4048 } 4049 } 4050 break; 4051 } 4052 case SCTP_AUTH_DEACTIVATE_KEY: 4053 { 4054 struct sctp_authkeyid *keyid; 4055 4056 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4057 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4058 4059 /* deactivate the key from the right place */ 4060 if (stcb) { 4061 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4063 error = EINVAL; 4064 } 4065 SCTP_TCB_UNLOCK(stcb); 4066 } else { 4067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4068 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4069 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4070 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4071 SCTP_INP_WLOCK(inp); 4072 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4074 error = EINVAL; 4075 } 4076 SCTP_INP_WUNLOCK(inp); 4077 } 4078 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4079 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4080 SCTP_INP_RLOCK(inp); 4081 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4082 SCTP_TCB_LOCK(stcb); 4083 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4084 SCTP_TCB_UNLOCK(stcb); 4085 } 4086 SCTP_INP_RUNLOCK(inp); 4087 } 4088 } 4089 break; 4090 } 4091 4092 case SCTP_RESET_STREAMS: 4093 { 4094 struct sctp_stream_reset *strrst; 4095 uint8_t send_in = 0, send_tsn = 0, send_out = 0, 4096 addstream = 0; 4097 uint16_t addstrmcnt = 0; 4098 int i; 4099 4100 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 4101 SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 4102 4103 if (stcb == NULL) { 4104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4105 error = ENOENT; 4106 break; 4107 } 4108 if (stcb->asoc.peer_supports_strreset == 0) { 4109 /* 4110 * Peer does not support it, we return 4111 * protocol not supported since this is true 4112 * for this feature and this peer, not the 4113 * socket request in general. 4114 */ 4115 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT); 4116 error = EPROTONOSUPPORT; 4117 SCTP_TCB_UNLOCK(stcb); 4118 break; 4119 } 4120 if (stcb->asoc.stream_reset_outstanding) { 4121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4122 error = EALREADY; 4123 SCTP_TCB_UNLOCK(stcb); 4124 break; 4125 } 4126 if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 4127 send_in = 1; 4128 } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 4129 send_out = 1; 4130 } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 4131 send_in = 1; 4132 send_out = 1; 4133 } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 4134 send_tsn = 1; 4135 } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) { 4136 if (send_tsn || 4137 send_in || 4138 send_out) { 4139 /* We can't do that and add streams */ 4140 error = EINVAL; 4141 goto skip_stuff; 4142 } 4143 if (stcb->asoc.stream_reset_outstanding) { 4144 error = EBUSY; 4145 goto skip_stuff; 4146 } 4147 addstream = 1; 4148 /* We allocate here */ 4149 addstrmcnt = strrst->strrst_num_streams; 4150 if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) { 4151 /* You can't have more than 64k */ 4152 error = EINVAL; 4153 goto skip_stuff; 4154 } 4155 if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) { 4156 /* Need to allocate more */ 4157 struct sctp_stream_out *oldstream; 4158 struct sctp_stream_queue_pending *sp, 4159 *nsp; 4160 4161 oldstream = stcb->asoc.strmout; 4162 /* get some more */ 4163 SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, 4164 ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)), 4165 SCTP_M_STRMO); 4166 if (stcb->asoc.strmout == NULL) { 4167 stcb->asoc.strmout = oldstream; 4168 error = ENOMEM; 4169 goto skip_stuff; 4170 } 4171 /* 4172 * Ok now we proceed with copying 4173 * the old out stuff and 4174 * initializing the new stuff. 4175 */ 4176 SCTP_TCB_SEND_LOCK(stcb); 4177 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 0, 1); 4178 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4179 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4180 stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent; 4181 stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete; 4182 stcb->asoc.strmout[i].stream_no = i; 4183 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], &oldstream[i]); 4184 /* 4185 * now anything on those 4186 * queues? 4187 */ 4188 TAILQ_FOREACH_SAFE(sp, &oldstream[i].outqueue, next, nsp) { 4189 TAILQ_REMOVE(&oldstream[i].outqueue, sp, next); 4190 TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next); 4191 } 4192 /* 4193 * Now move assoc pointers 4194 * too 4195 */ 4196 if (stcb->asoc.last_out_stream == &oldstream[i]) { 4197 stcb->asoc.last_out_stream = &stcb->asoc.strmout[i]; 4198 } 4199 if (stcb->asoc.locked_on_sending == &oldstream[i]) { 4200 stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i]; 4201 } 4202 } 4203 /* now the new streams */ 4204 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4205 for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) { 4206 stcb->asoc.strmout[i].next_sequence_sent = 0x0; 4207 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4208 stcb->asoc.strmout[i].stream_no = i; 4209 stcb->asoc.strmout[i].last_msg_incomplete = 0; 4210 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL); 4211 } 4212 stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt; 4213 SCTP_FREE(oldstream, SCTP_M_STRMO); 4214 } 4215 SCTP_TCB_SEND_UNLOCK(stcb); 4216 goto skip_stuff; 4217 } else { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4219 error = EINVAL; 4220 SCTP_TCB_UNLOCK(stcb); 4221 break; 4222 } 4223 for (i = 0; i < strrst->strrst_num_streams; i++) { 4224 if ((send_in) && 4225 4226 (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 4227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4228 error = EINVAL; 4229 goto get_out; 4230 } 4231 if ((send_out) && 4232 (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 4233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4234 error = EINVAL; 4235 goto get_out; 4236 } 4237 } 4238 skip_stuff: 4239 if (error) { 4240 get_out: 4241 SCTP_TCB_UNLOCK(stcb); 4242 break; 4243 } 4244 error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 4245 strrst->strrst_list, 4246 send_out, (stcb->asoc.str_reset_seq_in - 3), 4247 send_in, send_tsn, addstream, addstrmcnt); 4248 4249 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4250 SCTP_TCB_UNLOCK(stcb); 4251 break; 4252 } 4253 case SCTP_CONNECT_X: 4254 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4256 error = EINVAL; 4257 break; 4258 } 4259 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4260 break; 4261 case SCTP_CONNECT_X_DELAYED: 4262 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4264 error = EINVAL; 4265 break; 4266 } 4267 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4268 break; 4269 case SCTP_CONNECT_X_COMPLETE: 4270 { 4271 struct sockaddr *sa; 4272 struct sctp_nets *net; 4273 4274 /* FIXME MT: check correct? */ 4275 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4276 4277 /* find tcb */ 4278 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4279 SCTP_INP_RLOCK(inp); 4280 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4281 if (stcb) { 4282 SCTP_TCB_LOCK(stcb); 4283 net = sctp_findnet(stcb, sa); 4284 } 4285 SCTP_INP_RUNLOCK(inp); 4286 } else { 4287 /* 4288 * We increment here since 4289 * sctp_findassociation_ep_addr() wil do a 4290 * decrement if it finds the stcb as long as 4291 * the locked tcb (last argument) is NOT a 4292 * TCB.. aka NULL. 4293 */ 4294 SCTP_INP_INCR_REF(inp); 4295 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4296 if (stcb == NULL) { 4297 SCTP_INP_DECR_REF(inp); 4298 } 4299 } 4300 4301 if (stcb == NULL) { 4302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4303 error = ENOENT; 4304 break; 4305 } 4306 if (stcb->asoc.delayed_connection == 1) { 4307 stcb->asoc.delayed_connection = 0; 4308 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4309 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4310 stcb->asoc.primary_destination, 4311 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4312 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4313 } else { 4314 /* 4315 * already expired or did not use delayed 4316 * connectx 4317 */ 4318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4319 error = EALREADY; 4320 } 4321 SCTP_TCB_UNLOCK(stcb); 4322 break; 4323 } 4324 case SCTP_MAX_BURST: 4325 { 4326 struct sctp_assoc_value *av; 4327 4328 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4329 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4330 4331 if (stcb) { 4332 stcb->asoc.max_burst = av->assoc_value; 4333 SCTP_TCB_UNLOCK(stcb); 4334 } else { 4335 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4336 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4337 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4338 (av->assoc_id == SCTP_ALL_ASSOC)) { 4339 SCTP_INP_WLOCK(inp); 4340 inp->sctp_ep.max_burst = av->assoc_value; 4341 SCTP_INP_WUNLOCK(inp); 4342 } 4343 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4344 (av->assoc_id == SCTP_ALL_ASSOC)) { 4345 SCTP_INP_RLOCK(inp); 4346 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4347 SCTP_TCB_LOCK(stcb); 4348 stcb->asoc.max_burst = av->assoc_value; 4349 SCTP_TCB_UNLOCK(stcb); 4350 } 4351 SCTP_INP_RUNLOCK(inp); 4352 } 4353 } 4354 break; 4355 } 4356 case SCTP_MAXSEG: 4357 { 4358 struct sctp_assoc_value *av; 4359 int ovh; 4360 4361 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4362 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4363 4364 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4365 ovh = SCTP_MED_OVERHEAD; 4366 } else { 4367 ovh = SCTP_MED_V4_OVERHEAD; 4368 } 4369 if (stcb) { 4370 if (av->assoc_value) { 4371 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4372 } else { 4373 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4374 } 4375 SCTP_TCB_UNLOCK(stcb); 4376 } else { 4377 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4378 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4379 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4380 SCTP_INP_WLOCK(inp); 4381 /* 4382 * FIXME MT: I think this is not in 4383 * tune with the API ID 4384 */ 4385 if (av->assoc_value) { 4386 inp->sctp_frag_point = (av->assoc_value + ovh); 4387 } else { 4388 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4389 } 4390 SCTP_INP_WUNLOCK(inp); 4391 } else { 4392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4393 error = EINVAL; 4394 } 4395 } 4396 break; 4397 } 4398 case SCTP_EVENTS: 4399 { 4400 struct sctp_event_subscribe *events; 4401 4402 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4403 4404 SCTP_INP_WLOCK(inp); 4405 if (events->sctp_data_io_event) { 4406 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4407 } else { 4408 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4409 } 4410 4411 if (events->sctp_association_event) { 4412 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4413 } else { 4414 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4415 } 4416 4417 if (events->sctp_address_event) { 4418 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4419 } else { 4420 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4421 } 4422 4423 if (events->sctp_send_failure_event) { 4424 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4425 } else { 4426 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4427 } 4428 4429 if (events->sctp_peer_error_event) { 4430 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4431 } else { 4432 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4433 } 4434 4435 if (events->sctp_shutdown_event) { 4436 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4437 } else { 4438 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4439 } 4440 4441 if (events->sctp_partial_delivery_event) { 4442 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4443 } else { 4444 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4445 } 4446 4447 if (events->sctp_adaptation_layer_event) { 4448 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4449 } else { 4450 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4451 } 4452 4453 if (events->sctp_authentication_event) { 4454 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4455 } else { 4456 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4457 } 4458 4459 if (events->sctp_sender_dry_event) { 4460 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4461 } else { 4462 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4463 } 4464 4465 if (events->sctp_stream_reset_event) { 4466 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4467 } else { 4468 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4469 } 4470 SCTP_INP_WUNLOCK(inp); 4471 4472 SCTP_INP_RLOCK(inp); 4473 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4474 SCTP_TCB_LOCK(stcb); 4475 if (events->sctp_association_event) { 4476 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4477 } else { 4478 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4479 } 4480 if (events->sctp_address_event) { 4481 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4482 } else { 4483 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4484 } 4485 if (events->sctp_send_failure_event) { 4486 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4487 } else { 4488 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4489 } 4490 if (events->sctp_peer_error_event) { 4491 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4492 } else { 4493 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4494 } 4495 if (events->sctp_shutdown_event) { 4496 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4497 } else { 4498 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4499 } 4500 if (events->sctp_partial_delivery_event) { 4501 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4502 } else { 4503 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4504 } 4505 if (events->sctp_adaptation_layer_event) { 4506 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4507 } else { 4508 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4509 } 4510 if (events->sctp_authentication_event) { 4511 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4512 } else { 4513 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4514 } 4515 if (events->sctp_sender_dry_event) { 4516 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4517 } else { 4518 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4519 } 4520 if (events->sctp_stream_reset_event) { 4521 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4522 } else { 4523 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4524 } 4525 SCTP_TCB_UNLOCK(stcb); 4526 } 4527 /* 4528 * Send up the sender dry event only for 1-to-1 4529 * style sockets. 4530 */ 4531 if (events->sctp_sender_dry_event) { 4532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4534 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4535 if (stcb) { 4536 SCTP_TCB_LOCK(stcb); 4537 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4538 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4539 (stcb->asoc.stream_queue_cnt == 0)) { 4540 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4541 } 4542 SCTP_TCB_UNLOCK(stcb); 4543 } 4544 } 4545 } 4546 SCTP_INP_RUNLOCK(inp); 4547 break; 4548 } 4549 case SCTP_ADAPTATION_LAYER: 4550 { 4551 struct sctp_setadaptation *adap_bits; 4552 4553 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4554 SCTP_INP_WLOCK(inp); 4555 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4556 SCTP_INP_WUNLOCK(inp); 4557 break; 4558 } 4559 #ifdef SCTP_DEBUG 4560 case SCTP_SET_INITIAL_DBG_SEQ: 4561 { 4562 uint32_t *vvv; 4563 4564 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4565 SCTP_INP_WLOCK(inp); 4566 inp->sctp_ep.initial_sequence_debug = *vvv; 4567 SCTP_INP_WUNLOCK(inp); 4568 break; 4569 } 4570 #endif 4571 case SCTP_DEFAULT_SEND_PARAM: 4572 { 4573 struct sctp_sndrcvinfo *s_info; 4574 4575 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4576 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4577 4578 if (stcb) { 4579 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4580 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4581 } else { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 } 4585 SCTP_TCB_UNLOCK(stcb); 4586 } else { 4587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4589 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4590 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4591 SCTP_INP_WLOCK(inp); 4592 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4593 SCTP_INP_WUNLOCK(inp); 4594 } 4595 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4596 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4597 SCTP_INP_RLOCK(inp); 4598 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4599 SCTP_TCB_LOCK(stcb); 4600 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4601 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4602 } 4603 SCTP_TCB_UNLOCK(stcb); 4604 } 4605 SCTP_INP_RUNLOCK(inp); 4606 } 4607 } 4608 break; 4609 } 4610 case SCTP_PEER_ADDR_PARAMS: 4611 { 4612 struct sctp_paddrparams *paddrp; 4613 struct sctp_nets *net; 4614 4615 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4616 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4617 net = NULL; 4618 if (stcb) { 4619 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4620 } else { 4621 /* 4622 * We increment here since 4623 * sctp_findassociation_ep_addr() wil do a 4624 * decrement if it finds the stcb as long as 4625 * the locked tcb (last argument) is NOT a 4626 * TCB.. aka NULL. 4627 */ 4628 SCTP_INP_INCR_REF(inp); 4629 stcb = sctp_findassociation_ep_addr(&inp, 4630 (struct sockaddr *)&paddrp->spp_address, 4631 &net, NULL, NULL); 4632 if (stcb == NULL) { 4633 SCTP_INP_DECR_REF(inp); 4634 } 4635 } 4636 if (stcb && (net == NULL)) { 4637 struct sockaddr *sa; 4638 4639 sa = (struct sockaddr *)&paddrp->spp_address; 4640 #ifdef INET 4641 if (sa->sa_family == AF_INET) { 4642 4643 struct sockaddr_in *sin; 4644 4645 sin = (struct sockaddr_in *)sa; 4646 if (sin->sin_addr.s_addr) { 4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4648 SCTP_TCB_UNLOCK(stcb); 4649 error = EINVAL; 4650 break; 4651 } 4652 } else 4653 #endif 4654 #ifdef INET6 4655 if (sa->sa_family == AF_INET6) { 4656 struct sockaddr_in6 *sin6; 4657 4658 sin6 = (struct sockaddr_in6 *)sa; 4659 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4661 SCTP_TCB_UNLOCK(stcb); 4662 error = EINVAL; 4663 break; 4664 } 4665 } else 4666 #endif 4667 { 4668 error = EAFNOSUPPORT; 4669 SCTP_TCB_UNLOCK(stcb); 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4671 break; 4672 } 4673 } 4674 /* sanity checks */ 4675 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4676 if (stcb) 4677 SCTP_TCB_UNLOCK(stcb); 4678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4679 return (EINVAL); 4680 } 4681 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4682 if (stcb) 4683 SCTP_TCB_UNLOCK(stcb); 4684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4685 return (EINVAL); 4686 } 4687 if (stcb) { 4688 /************************TCB SPECIFIC SET ******************/ 4689 /* 4690 * do we change the timer for HB, we run 4691 * only one? 4692 */ 4693 int ovh = 0; 4694 4695 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4696 ovh = SCTP_MED_OVERHEAD; 4697 } else { 4698 ovh = SCTP_MED_V4_OVERHEAD; 4699 } 4700 4701 /* network sets ? */ 4702 if (net) { 4703 /************************NET SPECIFIC SET ******************/ 4704 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4705 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4706 !(net->dest_state & SCTP_ADDR_NOHB)) { 4707 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4708 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4709 } 4710 net->dest_state |= SCTP_ADDR_NOHB; 4711 } 4712 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4713 if (paddrp->spp_hbinterval) { 4714 net->heart_beat_delay = paddrp->spp_hbinterval; 4715 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4716 net->heart_beat_delay = 0; 4717 } 4718 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4719 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4720 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4721 net->dest_state &= ~SCTP_ADDR_NOHB; 4722 } 4723 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4724 /* on demand HB */ 4725 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4726 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4727 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4728 } 4729 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4730 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4731 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4732 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4733 } 4734 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4735 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4736 net->mtu = paddrp->spp_pathmtu + ovh; 4737 if (net->mtu < stcb->asoc.smallest_mtu) { 4738 sctp_pathmtu_adjustment(stcb, net->mtu); 4739 } 4740 } 4741 } 4742 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4743 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4744 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4745 } 4746 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4747 } 4748 if (paddrp->spp_pathmaxrxt) { 4749 if (net->dest_state & SCTP_ADDR_PF) { 4750 if (net->error_count > paddrp->spp_pathmaxrxt) { 4751 net->dest_state &= ~SCTP_ADDR_PF; 4752 } 4753 } else { 4754 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4755 (net->error_count > net->pf_threshold)) { 4756 net->dest_state |= SCTP_ADDR_PF; 4757 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4758 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4759 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4760 } 4761 } 4762 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4763 if (net->error_count > paddrp->spp_pathmaxrxt) { 4764 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4765 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4766 } 4767 } else { 4768 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4769 net->dest_state |= SCTP_ADDR_REACHABLE; 4770 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4771 } 4772 } 4773 net->failure_threshold = paddrp->spp_pathmaxrxt; 4774 } 4775 if (paddrp->spp_flags & SPP_DSCP) { 4776 net->dscp = paddrp->spp_dscp & 0xfc; 4777 net->dscp |= 0x01; 4778 } 4779 #ifdef INET6 4780 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4781 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4782 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4783 net->flowlabel |= 0x80000000; 4784 } 4785 } 4786 #endif 4787 } else { 4788 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4789 if (paddrp->spp_pathmaxrxt) { 4790 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4791 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4792 if (net->dest_state & SCTP_ADDR_PF) { 4793 if (net->error_count > paddrp->spp_pathmaxrxt) { 4794 net->dest_state &= ~SCTP_ADDR_PF; 4795 } 4796 } else { 4797 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4798 (net->error_count > net->pf_threshold)) { 4799 net->dest_state |= SCTP_ADDR_PF; 4800 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4801 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4802 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4803 } 4804 } 4805 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4806 if (net->error_count > paddrp->spp_pathmaxrxt) { 4807 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4808 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4809 } 4810 } else { 4811 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4812 net->dest_state |= SCTP_ADDR_REACHABLE; 4813 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4814 } 4815 } 4816 net->failure_threshold = paddrp->spp_pathmaxrxt; 4817 } 4818 } 4819 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4820 if (paddrp->spp_hbinterval) { 4821 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4822 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4823 stcb->asoc.heart_beat_delay = 0; 4824 } 4825 /* Turn back on the timer */ 4826 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4827 if (paddrp->spp_hbinterval) { 4828 net->heart_beat_delay = paddrp->spp_hbinterval; 4829 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4830 net->heart_beat_delay = 0; 4831 } 4832 if (net->dest_state & SCTP_ADDR_NOHB) { 4833 net->dest_state &= ~SCTP_ADDR_NOHB; 4834 } 4835 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4836 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4837 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4838 } 4839 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4840 } 4841 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4842 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4843 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4844 net->dest_state |= SCTP_ADDR_NOHB; 4845 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4846 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4847 } 4848 } 4849 } 4850 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4851 } 4852 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4853 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4854 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4855 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4856 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4857 } 4858 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4859 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4860 net->mtu = paddrp->spp_pathmtu + ovh; 4861 if (net->mtu < stcb->asoc.smallest_mtu) { 4862 sctp_pathmtu_adjustment(stcb, net->mtu); 4863 } 4864 } 4865 } 4866 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4867 } 4868 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4869 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4870 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4871 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4872 } 4873 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4874 } 4875 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4876 } 4877 if (paddrp->spp_flags & SPP_DSCP) { 4878 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4879 net->dscp = paddrp->spp_dscp & 0xfc; 4880 net->dscp |= 0x01; 4881 } 4882 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4883 stcb->asoc.default_dscp |= 0x01; 4884 } 4885 #ifdef INET6 4886 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4887 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4888 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4889 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4890 net->flowlabel |= 0x80000000; 4891 } 4892 } 4893 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4894 stcb->asoc.default_flowlabel |= 0x80000000; 4895 } 4896 #endif 4897 } 4898 SCTP_TCB_UNLOCK(stcb); 4899 } else { 4900 /************************NO TCB, SET TO default stuff ******************/ 4901 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4902 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4903 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4904 SCTP_INP_WLOCK(inp); 4905 /* 4906 * For the TOS/FLOWLABEL stuff you 4907 * set it with the options on the 4908 * socket 4909 */ 4910 if (paddrp->spp_pathmaxrxt) { 4911 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4912 } 4913 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4914 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4915 else if (paddrp->spp_hbinterval) { 4916 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4917 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4918 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4919 } 4920 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4921 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4922 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4923 } else if (paddrp->spp_hbinterval) { 4924 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4925 } 4926 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4927 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4928 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4929 } 4930 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4931 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4932 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4933 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4934 } 4935 if (paddrp->spp_flags & SPP_DSCP) { 4936 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 4937 inp->sctp_ep.default_dscp |= 0x01; 4938 } 4939 #ifdef INET6 4940 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4941 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4942 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4943 inp->sctp_ep.default_flowlabel |= 0x80000000; 4944 } 4945 } 4946 #endif 4947 SCTP_INP_WUNLOCK(inp); 4948 } else { 4949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4950 error = EINVAL; 4951 } 4952 } 4953 break; 4954 } 4955 case SCTP_RTOINFO: 4956 { 4957 struct sctp_rtoinfo *srto; 4958 uint32_t new_init, new_min, new_max; 4959 4960 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 4961 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 4962 4963 if (stcb) { 4964 if (srto->srto_initial) 4965 new_init = srto->srto_initial; 4966 else 4967 new_init = stcb->asoc.initial_rto; 4968 if (srto->srto_max) 4969 new_max = srto->srto_max; 4970 else 4971 new_max = stcb->asoc.maxrto; 4972 if (srto->srto_min) 4973 new_min = srto->srto_min; 4974 else 4975 new_min = stcb->asoc.minrto; 4976 if ((new_min <= new_init) && (new_init <= new_max)) { 4977 stcb->asoc.initial_rto = new_init; 4978 stcb->asoc.maxrto = new_max; 4979 stcb->asoc.minrto = new_min; 4980 } else { 4981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4982 error = EINVAL; 4983 } 4984 SCTP_TCB_UNLOCK(stcb); 4985 } else { 4986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4987 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4988 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 4989 SCTP_INP_WLOCK(inp); 4990 if (srto->srto_initial) 4991 new_init = srto->srto_initial; 4992 else 4993 new_init = inp->sctp_ep.initial_rto; 4994 if (srto->srto_max) 4995 new_max = srto->srto_max; 4996 else 4997 new_max = inp->sctp_ep.sctp_maxrto; 4998 if (srto->srto_min) 4999 new_min = srto->srto_min; 5000 else 5001 new_min = inp->sctp_ep.sctp_minrto; 5002 if ((new_min <= new_init) && (new_init <= new_max)) { 5003 inp->sctp_ep.initial_rto = new_init; 5004 inp->sctp_ep.sctp_maxrto = new_max; 5005 inp->sctp_ep.sctp_minrto = new_min; 5006 } else { 5007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5008 error = EINVAL; 5009 } 5010 SCTP_INP_WUNLOCK(inp); 5011 } else { 5012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5013 error = EINVAL; 5014 } 5015 } 5016 break; 5017 } 5018 case SCTP_ASSOCINFO: 5019 { 5020 struct sctp_assocparams *sasoc; 5021 5022 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5023 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5024 if (sasoc->sasoc_cookie_life) { 5025 /* boundary check the cookie life */ 5026 if (sasoc->sasoc_cookie_life < 1000) 5027 sasoc->sasoc_cookie_life = 1000; 5028 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5029 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5030 } 5031 } 5032 if (stcb) { 5033 if (sasoc->sasoc_asocmaxrxt) 5034 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5035 if (sasoc->sasoc_cookie_life) { 5036 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5037 } 5038 SCTP_TCB_UNLOCK(stcb); 5039 } else { 5040 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5041 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5042 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5043 SCTP_INP_WLOCK(inp); 5044 if (sasoc->sasoc_asocmaxrxt) 5045 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5046 if (sasoc->sasoc_cookie_life) { 5047 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5048 } 5049 SCTP_INP_WUNLOCK(inp); 5050 } else { 5051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5052 error = EINVAL; 5053 } 5054 } 5055 break; 5056 } 5057 case SCTP_INITMSG: 5058 { 5059 struct sctp_initmsg *sinit; 5060 5061 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5062 SCTP_INP_WLOCK(inp); 5063 if (sinit->sinit_num_ostreams) 5064 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5065 5066 if (sinit->sinit_max_instreams) 5067 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5068 5069 if (sinit->sinit_max_attempts) 5070 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5071 5072 if (sinit->sinit_max_init_timeo) 5073 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5074 SCTP_INP_WUNLOCK(inp); 5075 break; 5076 } 5077 case SCTP_PRIMARY_ADDR: 5078 { 5079 struct sctp_setprim *spa; 5080 struct sctp_nets *net; 5081 5082 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5083 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5084 5085 net = NULL; 5086 if (stcb) { 5087 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5088 } else { 5089 /* 5090 * We increment here since 5091 * sctp_findassociation_ep_addr() wil do a 5092 * decrement if it finds the stcb as long as 5093 * the locked tcb (last argument) is NOT a 5094 * TCB.. aka NULL. 5095 */ 5096 SCTP_INP_INCR_REF(inp); 5097 stcb = sctp_findassociation_ep_addr(&inp, 5098 (struct sockaddr *)&spa->ssp_addr, 5099 &net, NULL, NULL); 5100 if (stcb == NULL) { 5101 SCTP_INP_DECR_REF(inp); 5102 } 5103 } 5104 5105 if ((stcb) && (net)) { 5106 if ((net != stcb->asoc.primary_destination) && 5107 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5108 /* Ok we need to set it */ 5109 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5110 if ((stcb->asoc.alternate) && 5111 (!(net->dest_state & SCTP_ADDR_PF)) && 5112 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5113 sctp_free_remote_addr(stcb->asoc.alternate); 5114 stcb->asoc.alternate = NULL; 5115 } 5116 } 5117 } 5118 } else { 5119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5120 error = EINVAL; 5121 } 5122 if (stcb) { 5123 SCTP_TCB_UNLOCK(stcb); 5124 } 5125 break; 5126 } 5127 case SCTP_SET_DYNAMIC_PRIMARY: 5128 { 5129 union sctp_sockstore *ss; 5130 5131 error = priv_check(curthread, 5132 PRIV_NETINET_RESERVEDPORT); 5133 if (error) 5134 break; 5135 5136 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5137 /* SUPER USER CHECK? */ 5138 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5139 break; 5140 } 5141 case SCTP_SET_PEER_PRIMARY_ADDR: 5142 { 5143 struct sctp_setpeerprim *sspp; 5144 5145 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5146 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5147 if (stcb != NULL) { 5148 struct sctp_ifa *ifa; 5149 5150 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5151 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5152 if (ifa == NULL) { 5153 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5154 error = EINVAL; 5155 goto out_of_it; 5156 } 5157 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5158 /* 5159 * Must validate the ifa found is in 5160 * our ep 5161 */ 5162 struct sctp_laddr *laddr; 5163 int found = 0; 5164 5165 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5166 if (laddr->ifa == NULL) { 5167 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5168 __FUNCTION__); 5169 continue; 5170 } 5171 if (laddr->ifa == ifa) { 5172 found = 1; 5173 break; 5174 } 5175 } 5176 if (!found) { 5177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5178 error = EINVAL; 5179 goto out_of_it; 5180 } 5181 } 5182 if (sctp_set_primary_ip_address_sa(stcb, 5183 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5185 error = EINVAL; 5186 } 5187 out_of_it: 5188 SCTP_TCB_UNLOCK(stcb); 5189 } else { 5190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5191 error = EINVAL; 5192 } 5193 break; 5194 } 5195 case SCTP_BINDX_ADD_ADDR: 5196 { 5197 struct sctp_getaddresses *addrs; 5198 size_t sz; 5199 struct thread *td; 5200 5201 td = (struct thread *)p; 5202 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5203 optsize); 5204 #ifdef INET 5205 if (addrs->addr->sa_family == AF_INET) { 5206 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5207 if (optsize < sz) { 5208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5209 error = EINVAL; 5210 break; 5211 } 5212 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5213 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5214 break; 5215 } 5216 } else 5217 #endif 5218 #ifdef INET6 5219 if (addrs->addr->sa_family == AF_INET6) { 5220 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5221 if (optsize < sz) { 5222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5223 error = EINVAL; 5224 break; 5225 } 5226 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5227 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5228 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5229 break; 5230 } 5231 } else 5232 #endif 5233 { 5234 error = EAFNOSUPPORT; 5235 break; 5236 } 5237 sctp_bindx_add_address(so, inp, addrs->addr, 5238 addrs->sget_assoc_id, vrf_id, 5239 &error, p); 5240 break; 5241 } 5242 case SCTP_BINDX_REM_ADDR: 5243 { 5244 struct sctp_getaddresses *addrs; 5245 size_t sz; 5246 struct thread *td; 5247 5248 td = (struct thread *)p; 5249 5250 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5251 #ifdef INET 5252 if (addrs->addr->sa_family == AF_INET) { 5253 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5254 if (optsize < sz) { 5255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5256 error = EINVAL; 5257 break; 5258 } 5259 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5260 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5261 break; 5262 } 5263 } else 5264 #endif 5265 #ifdef INET6 5266 if (addrs->addr->sa_family == AF_INET6) { 5267 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5268 if (optsize < sz) { 5269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5270 error = EINVAL; 5271 break; 5272 } 5273 if (td != NULL && 5274 (error = prison_local_ip6(td->td_ucred, 5275 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5276 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5277 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5278 break; 5279 } 5280 } else 5281 #endif 5282 { 5283 error = EAFNOSUPPORT; 5284 break; 5285 } 5286 sctp_bindx_delete_address(inp, addrs->addr, 5287 addrs->sget_assoc_id, vrf_id, 5288 &error); 5289 break; 5290 } 5291 case SCTP_EVENT: 5292 { 5293 struct sctp_event *event; 5294 uint32_t event_type; 5295 5296 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5297 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5298 switch (event->se_type) { 5299 case SCTP_ASSOC_CHANGE: 5300 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5301 break; 5302 case SCTP_PEER_ADDR_CHANGE: 5303 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5304 break; 5305 case SCTP_REMOTE_ERROR: 5306 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5307 break; 5308 case SCTP_SEND_FAILED: 5309 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5310 break; 5311 case SCTP_SHUTDOWN_EVENT: 5312 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5313 break; 5314 case SCTP_ADAPTATION_INDICATION: 5315 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5316 break; 5317 case SCTP_PARTIAL_DELIVERY_EVENT: 5318 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5319 break; 5320 case SCTP_AUTHENTICATION_EVENT: 5321 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5322 break; 5323 case SCTP_STREAM_RESET_EVENT: 5324 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5325 break; 5326 case SCTP_SENDER_DRY_EVENT: 5327 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5328 break; 5329 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5330 event_type = 0; 5331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5332 error = ENOTSUP; 5333 break; 5334 default: 5335 event_type = 0; 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 error = EINVAL; 5338 break; 5339 } 5340 if (event_type > 0) { 5341 if (stcb) { 5342 if (event->se_on) { 5343 sctp_stcb_feature_on(inp, stcb, event_type); 5344 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5345 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5346 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5347 (stcb->asoc.stream_queue_cnt == 0)) { 5348 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5349 } 5350 } 5351 } else { 5352 sctp_stcb_feature_off(inp, stcb, event_type); 5353 } 5354 SCTP_TCB_UNLOCK(stcb); 5355 } else { 5356 /* 5357 * We don't want to send up a storm 5358 * of events, so return an error for 5359 * sender dry events 5360 */ 5361 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5362 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5363 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5364 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5365 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5367 error = ENOTSUP; 5368 break; 5369 } 5370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5371 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5372 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5373 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5374 SCTP_INP_WLOCK(inp); 5375 if (event->se_on) { 5376 sctp_feature_on(inp, event_type); 5377 } else { 5378 sctp_feature_off(inp, event_type); 5379 } 5380 SCTP_INP_WUNLOCK(inp); 5381 } 5382 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5383 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5384 SCTP_INP_RLOCK(inp); 5385 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5386 SCTP_TCB_LOCK(stcb); 5387 if (event->se_on) { 5388 sctp_stcb_feature_on(inp, stcb, event_type); 5389 } else { 5390 sctp_stcb_feature_off(inp, stcb, event_type); 5391 } 5392 SCTP_TCB_UNLOCK(stcb); 5393 } 5394 SCTP_INP_RUNLOCK(inp); 5395 } 5396 } 5397 } 5398 break; 5399 } 5400 case SCTP_RECVRCVINFO: 5401 { 5402 int *onoff; 5403 5404 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5405 SCTP_INP_WLOCK(inp); 5406 if (*onoff != 0) { 5407 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5408 } else { 5409 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5410 } 5411 SCTP_INP_WUNLOCK(inp); 5412 break; 5413 } 5414 case SCTP_RECVNXTINFO: 5415 { 5416 int *onoff; 5417 5418 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5419 SCTP_INP_WLOCK(inp); 5420 if (*onoff != 0) { 5421 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5422 } else { 5423 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5424 } 5425 SCTP_INP_WUNLOCK(inp); 5426 break; 5427 } 5428 case SCTP_DEFAULT_SNDINFO: 5429 { 5430 struct sctp_sndinfo *info; 5431 uint16_t policy; 5432 5433 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5434 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5435 5436 if (stcb) { 5437 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5438 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5439 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5440 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5441 stcb->asoc.def_send.sinfo_flags |= policy; 5442 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5443 stcb->asoc.def_send.sinfo_context = info->snd_context; 5444 } else { 5445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5446 error = EINVAL; 5447 } 5448 SCTP_TCB_UNLOCK(stcb); 5449 } else { 5450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5451 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5452 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5453 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5454 SCTP_INP_WLOCK(inp); 5455 inp->def_send.sinfo_stream = info->snd_sid; 5456 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5457 inp->def_send.sinfo_flags = info->snd_flags; 5458 inp->def_send.sinfo_flags |= policy; 5459 inp->def_send.sinfo_ppid = info->snd_ppid; 5460 inp->def_send.sinfo_context = info->snd_context; 5461 SCTP_INP_WUNLOCK(inp); 5462 } 5463 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5464 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5465 SCTP_INP_RLOCK(inp); 5466 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5467 SCTP_TCB_LOCK(stcb); 5468 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5469 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5470 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5471 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5472 stcb->asoc.def_send.sinfo_flags |= policy; 5473 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5474 stcb->asoc.def_send.sinfo_context = info->snd_context; 5475 } 5476 SCTP_TCB_UNLOCK(stcb); 5477 } 5478 SCTP_INP_RUNLOCK(inp); 5479 } 5480 } 5481 break; 5482 } 5483 case SCTP_DEFAULT_PRINFO: 5484 { 5485 struct sctp_default_prinfo *info; 5486 5487 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5488 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5489 5490 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5492 error = EINVAL; 5493 break; 5494 } 5495 if (stcb) { 5496 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5497 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5498 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5499 SCTP_TCB_UNLOCK(stcb); 5500 } else { 5501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5503 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5504 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5505 SCTP_INP_WLOCK(inp); 5506 inp->def_send.sinfo_flags &= 0xfff0; 5507 inp->def_send.sinfo_flags |= info->pr_policy; 5508 inp->def_send.sinfo_timetolive = info->pr_value; 5509 SCTP_INP_WUNLOCK(inp); 5510 } 5511 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5512 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5513 SCTP_INP_RLOCK(inp); 5514 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5515 SCTP_TCB_LOCK(stcb); 5516 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5517 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5518 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5519 SCTP_TCB_UNLOCK(stcb); 5520 } 5521 SCTP_INP_RUNLOCK(inp); 5522 } 5523 } 5524 break; 5525 } 5526 case SCTP_PEER_ADDR_THLDS: 5527 /* Applies to the specific association */ 5528 { 5529 struct sctp_paddrthlds *thlds; 5530 struct sctp_nets *net; 5531 5532 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5533 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5534 net = NULL; 5535 if (stcb) { 5536 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5537 } else { 5538 /* 5539 * We increment here since 5540 * sctp_findassociation_ep_addr() wil do a 5541 * decrement if it finds the stcb as long as 5542 * the locked tcb (last argument) is NOT a 5543 * TCB.. aka NULL. 5544 */ 5545 SCTP_INP_INCR_REF(inp); 5546 stcb = sctp_findassociation_ep_addr(&inp, 5547 (struct sockaddr *)&thlds->spt_assoc_id, 5548 &net, NULL, NULL); 5549 if (stcb == NULL) { 5550 SCTP_INP_DECR_REF(inp); 5551 } 5552 } 5553 if (stcb && (net == NULL)) { 5554 struct sockaddr *sa; 5555 5556 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5557 #ifdef INET 5558 if (sa->sa_family == AF_INET) { 5559 5560 struct sockaddr_in *sin; 5561 5562 sin = (struct sockaddr_in *)sa; 5563 if (sin->sin_addr.s_addr) { 5564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5565 SCTP_TCB_UNLOCK(stcb); 5566 error = EINVAL; 5567 break; 5568 } 5569 } else 5570 #endif 5571 #ifdef INET6 5572 if (sa->sa_family == AF_INET6) { 5573 struct sockaddr_in6 *sin6; 5574 5575 sin6 = (struct sockaddr_in6 *)sa; 5576 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5578 SCTP_TCB_UNLOCK(stcb); 5579 error = EINVAL; 5580 break; 5581 } 5582 } else 5583 #endif 5584 { 5585 error = EAFNOSUPPORT; 5586 SCTP_TCB_UNLOCK(stcb); 5587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5588 break; 5589 } 5590 } 5591 if (stcb) { 5592 if (net) { 5593 if (net->dest_state & SCTP_ADDR_PF) { 5594 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5595 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5596 net->dest_state &= ~SCTP_ADDR_PF; 5597 } 5598 } else { 5599 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5600 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5601 net->dest_state |= SCTP_ADDR_PF; 5602 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5603 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5604 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5605 } 5606 } 5607 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5608 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5609 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5610 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5611 } 5612 } else { 5613 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5614 net->dest_state |= SCTP_ADDR_REACHABLE; 5615 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5616 } 5617 } 5618 net->failure_threshold = thlds->spt_pathmaxrxt; 5619 net->pf_threshold = thlds->spt_pathpfthld; 5620 } else { 5621 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5622 if (net->dest_state & SCTP_ADDR_PF) { 5623 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5624 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5625 net->dest_state &= ~SCTP_ADDR_PF; 5626 } 5627 } else { 5628 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5629 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5630 net->dest_state |= SCTP_ADDR_PF; 5631 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5632 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5633 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5634 } 5635 } 5636 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5637 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5638 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5639 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5640 } 5641 } else { 5642 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5643 net->dest_state |= SCTP_ADDR_REACHABLE; 5644 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5645 } 5646 } 5647 net->failure_threshold = thlds->spt_pathmaxrxt; 5648 net->pf_threshold = thlds->spt_pathpfthld; 5649 } 5650 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5651 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5652 } 5653 } else { 5654 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5655 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5656 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5657 SCTP_INP_WLOCK(inp); 5658 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5659 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5660 SCTP_INP_WUNLOCK(inp); 5661 } else { 5662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5663 error = EINVAL; 5664 } 5665 } 5666 break; 5667 } 5668 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5669 { 5670 struct sctp_udpencaps *encaps; 5671 struct sctp_nets *net; 5672 5673 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5674 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5675 if (stcb) { 5676 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5677 } else { 5678 /* 5679 * We increment here since 5680 * sctp_findassociation_ep_addr() wil do a 5681 * decrement if it finds the stcb as long as 5682 * the locked tcb (last argument) is NOT a 5683 * TCB.. aka NULL. 5684 */ 5685 net = NULL; 5686 SCTP_INP_INCR_REF(inp); 5687 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5688 if (stcb == NULL) { 5689 SCTP_INP_DECR_REF(inp); 5690 } 5691 } 5692 if (stcb && (net == NULL)) { 5693 struct sockaddr *sa; 5694 5695 sa = (struct sockaddr *)&encaps->sue_address; 5696 #ifdef INET 5697 if (sa->sa_family == AF_INET) { 5698 5699 struct sockaddr_in *sin; 5700 5701 sin = (struct sockaddr_in *)sa; 5702 if (sin->sin_addr.s_addr) { 5703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5704 SCTP_TCB_UNLOCK(stcb); 5705 error = EINVAL; 5706 break; 5707 } 5708 } else 5709 #endif 5710 #ifdef INET6 5711 if (sa->sa_family == AF_INET6) { 5712 struct sockaddr_in6 *sin6; 5713 5714 sin6 = (struct sockaddr_in6 *)sa; 5715 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5717 SCTP_TCB_UNLOCK(stcb); 5718 error = EINVAL; 5719 break; 5720 } 5721 } else 5722 #endif 5723 { 5724 error = EAFNOSUPPORT; 5725 SCTP_TCB_UNLOCK(stcb); 5726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5727 break; 5728 } 5729 } 5730 if (stcb) { 5731 if (net) { 5732 net->port = encaps->sue_port; 5733 } else { 5734 stcb->asoc.port = encaps->sue_port; 5735 } 5736 SCTP_TCB_UNLOCK(stcb); 5737 } else { 5738 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5739 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5740 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5741 SCTP_INP_WLOCK(inp); 5742 inp->sctp_ep.port = encaps->sue_port; 5743 SCTP_INP_WUNLOCK(inp); 5744 } else { 5745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5746 error = EINVAL; 5747 } 5748 } 5749 break; 5750 } 5751 default: 5752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5753 error = ENOPROTOOPT; 5754 break; 5755 } /* end switch (opt) */ 5756 return (error); 5757 } 5758 5759 int 5760 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5761 { 5762 void *optval = NULL; 5763 size_t optsize = 0; 5764 struct sctp_inpcb *inp; 5765 void *p; 5766 int error = 0; 5767 5768 inp = (struct sctp_inpcb *)so->so_pcb; 5769 if (inp == 0) { 5770 /* I made the same as TCP since we are not setup? */ 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5772 return (ECONNRESET); 5773 } 5774 if (sopt->sopt_level != IPPROTO_SCTP) { 5775 /* wrong proto level... send back up to IP */ 5776 #ifdef INET6 5777 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5778 error = ip6_ctloutput(so, sopt); 5779 #endif /* INET6 */ 5780 #if defined(INET) && defined (INET6) 5781 else 5782 #endif 5783 #ifdef INET 5784 error = ip_ctloutput(so, sopt); 5785 #endif 5786 return (error); 5787 } 5788 optsize = sopt->sopt_valsize; 5789 if (optsize) { 5790 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5791 if (optval == NULL) { 5792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5793 return (ENOBUFS); 5794 } 5795 error = sooptcopyin(sopt, optval, optsize, optsize); 5796 if (error) { 5797 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5798 goto out; 5799 } 5800 } 5801 p = (void *)sopt->sopt_td; 5802 if (sopt->sopt_dir == SOPT_SET) { 5803 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5804 } else if (sopt->sopt_dir == SOPT_GET) { 5805 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5806 } else { 5807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5808 error = EINVAL; 5809 } 5810 if ((error == 0) && (optval != NULL)) { 5811 error = sooptcopyout(sopt, optval, optsize); 5812 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5813 } else if (optval != NULL) { 5814 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5815 } 5816 out: 5817 return (error); 5818 } 5819 5820 #ifdef INET 5821 static int 5822 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5823 { 5824 int error = 0; 5825 int create_lock_on = 0; 5826 uint32_t vrf_id; 5827 struct sctp_inpcb *inp; 5828 struct sctp_tcb *stcb = NULL; 5829 5830 inp = (struct sctp_inpcb *)so->so_pcb; 5831 if (inp == 0) { 5832 /* I made the same as TCP since we are not setup? */ 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 return (ECONNRESET); 5835 } 5836 if (addr == NULL) { 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 return EINVAL; 5839 } 5840 switch (addr->sa_family) { 5841 #ifdef INET6 5842 case AF_INET6: 5843 { 5844 struct sockaddr_in6 *sin6p; 5845 5846 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5848 return (EINVAL); 5849 } 5850 sin6p = (struct sockaddr_in6 *)addr; 5851 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5853 return (error); 5854 } 5855 break; 5856 } 5857 #endif 5858 #ifdef INET 5859 case AF_INET: 5860 { 5861 struct sockaddr_in *sinp; 5862 5863 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5865 return (EINVAL); 5866 } 5867 sinp = (struct sockaddr_in *)addr; 5868 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5870 return (error); 5871 } 5872 break; 5873 } 5874 #endif 5875 default: 5876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5877 return (EAFNOSUPPORT); 5878 } 5879 SCTP_INP_INCR_REF(inp); 5880 SCTP_ASOC_CREATE_LOCK(inp); 5881 create_lock_on = 1; 5882 5883 5884 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5885 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5886 /* Should I really unlock ? */ 5887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5888 error = EFAULT; 5889 goto out_now; 5890 } 5891 #ifdef INET6 5892 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5893 (addr->sa_family == AF_INET6)) { 5894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5895 error = EINVAL; 5896 goto out_now; 5897 } 5898 #endif /* INET6 */ 5899 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5900 SCTP_PCB_FLAGS_UNBOUND) { 5901 /* Bind a ephemeral port */ 5902 error = sctp_inpcb_bind(so, NULL, NULL, p); 5903 if (error) { 5904 goto out_now; 5905 } 5906 } 5907 /* Now do we connect? */ 5908 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5909 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5911 error = EINVAL; 5912 goto out_now; 5913 } 5914 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5915 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5916 /* We are already connected AND the TCP model */ 5917 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5918 error = EADDRINUSE; 5919 goto out_now; 5920 } 5921 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5922 SCTP_INP_RLOCK(inp); 5923 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5924 SCTP_INP_RUNLOCK(inp); 5925 } else { 5926 /* 5927 * We increment here since sctp_findassociation_ep_addr() 5928 * will do a decrement if it finds the stcb as long as the 5929 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5930 */ 5931 SCTP_INP_INCR_REF(inp); 5932 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5933 if (stcb == NULL) { 5934 SCTP_INP_DECR_REF(inp); 5935 } else { 5936 SCTP_TCB_UNLOCK(stcb); 5937 } 5938 } 5939 if (stcb != NULL) { 5940 /* Already have or am bring up an association */ 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5942 error = EALREADY; 5943 goto out_now; 5944 } 5945 vrf_id = inp->def_vrf_id; 5946 /* We are GOOD to go */ 5947 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 5948 if (stcb == NULL) { 5949 /* Gak! no memory */ 5950 goto out_now; 5951 } 5952 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 5953 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 5954 /* Set the connected flag so we can queue data */ 5955 soisconnecting(so); 5956 } 5957 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 5958 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 5959 5960 /* initialize authentication parameters for the assoc */ 5961 sctp_initialize_auth_params(inp, stcb); 5962 5963 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 5964 SCTP_TCB_UNLOCK(stcb); 5965 out_now: 5966 if (create_lock_on) { 5967 SCTP_ASOC_CREATE_UNLOCK(inp); 5968 } 5969 SCTP_INP_DECR_REF(inp); 5970 return (error); 5971 } 5972 5973 #endif 5974 5975 int 5976 sctp_listen(struct socket *so, int backlog, struct thread *p) 5977 { 5978 /* 5979 * Note this module depends on the protocol processing being called 5980 * AFTER any socket level flags and backlog are applied to the 5981 * socket. The traditional way that the socket flags are applied is 5982 * AFTER protocol processing. We have made a change to the 5983 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 5984 * place if the socket API for SCTP is to work properly. 5985 */ 5986 5987 int error = 0; 5988 struct sctp_inpcb *inp; 5989 5990 inp = (struct sctp_inpcb *)so->so_pcb; 5991 if (inp == 0) { 5992 /* I made the same as TCP since we are not setup? */ 5993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5994 return (ECONNRESET); 5995 } 5996 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 5997 /* See if we have a listener */ 5998 struct sctp_inpcb *tinp; 5999 union sctp_sockstore store, *sp; 6000 6001 sp = &store; 6002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6003 /* not bound all */ 6004 struct sctp_laddr *laddr; 6005 6006 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6007 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6008 switch (sp->sa.sa_family) { 6009 #ifdef INET 6010 case AF_INET: 6011 sp->sin.sin_port = inp->sctp_lport; 6012 break; 6013 #endif 6014 #ifdef INET6 6015 case AF_INET6: 6016 sp->sin6.sin6_port = inp->sctp_lport; 6017 break; 6018 #endif 6019 default: 6020 break; 6021 } 6022 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6023 if (tinp && (tinp != inp) && 6024 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6025 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6026 (tinp->sctp_socket->so_qlimit)) { 6027 /* 6028 * we have a listener already and 6029 * its not this inp. 6030 */ 6031 SCTP_INP_DECR_REF(tinp); 6032 return (EADDRINUSE); 6033 } else if (tinp) { 6034 SCTP_INP_DECR_REF(tinp); 6035 } 6036 } 6037 } else { 6038 /* Setup a local addr bound all */ 6039 memset(&store, 0, sizeof(store)); 6040 switch (sp->sa.sa_family) { 6041 #ifdef INET 6042 case AF_INET: 6043 store.sin.sin_port = inp->sctp_lport; 6044 break; 6045 #endif 6046 #ifdef INET6 6047 case AF_INET6: 6048 sp->sin6.sin6_port = inp->sctp_lport; 6049 break; 6050 #endif 6051 default: 6052 break; 6053 } 6054 #ifdef INET6 6055 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6056 store.sa.sa_family = AF_INET6; 6057 store.sa.sa_len = sizeof(struct sockaddr_in6); 6058 } 6059 #endif 6060 #ifdef INET 6061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6062 store.sa.sa_family = AF_INET; 6063 store.sa.sa_len = sizeof(struct sockaddr_in); 6064 } 6065 #endif 6066 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6067 if (tinp && (tinp != inp) && 6068 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6069 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6070 (tinp->sctp_socket->so_qlimit)) { 6071 /* 6072 * we have a listener already and its not 6073 * this inp. 6074 */ 6075 SCTP_INP_DECR_REF(tinp); 6076 return (EADDRINUSE); 6077 } else if (tinp) { 6078 SCTP_INP_DECR_REF(inp); 6079 } 6080 } 6081 } 6082 SCTP_INP_RLOCK(inp); 6083 #ifdef SCTP_LOCK_LOGGING 6084 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6085 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6086 } 6087 #endif 6088 SOCK_LOCK(so); 6089 error = solisten_proto_check(so); 6090 if (error) { 6091 SOCK_UNLOCK(so); 6092 SCTP_INP_RUNLOCK(inp); 6093 return (error); 6094 } 6095 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6096 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6097 /* 6098 * The unlucky case - We are in the tcp pool with this guy. 6099 * - Someone else is in the main inp slot. - We must move 6100 * this guy (the listener) to the main slot - We must then 6101 * move the guy that was listener to the TCP Pool. 6102 */ 6103 if (sctp_swap_inpcb_for_listen(inp)) { 6104 goto in_use; 6105 } 6106 } 6107 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6108 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6109 /* We are already connected AND the TCP model */ 6110 in_use: 6111 SCTP_INP_RUNLOCK(inp); 6112 SOCK_UNLOCK(so); 6113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6114 return (EADDRINUSE); 6115 } 6116 SCTP_INP_RUNLOCK(inp); 6117 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6118 /* We must do a bind. */ 6119 SOCK_UNLOCK(so); 6120 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6121 /* bind error, probably perm */ 6122 return (error); 6123 } 6124 SOCK_LOCK(so); 6125 } 6126 /* It appears for 7.0 and on, we must always call this. */ 6127 solisten_proto(so, backlog); 6128 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6129 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6130 so->so_options &= ~SO_ACCEPTCONN; 6131 } 6132 if (backlog == 0) { 6133 /* turning off listen */ 6134 so->so_options &= ~SO_ACCEPTCONN; 6135 } 6136 SOCK_UNLOCK(so); 6137 return (error); 6138 } 6139 6140 static int sctp_defered_wakeup_cnt = 0; 6141 6142 int 6143 sctp_accept(struct socket *so, struct sockaddr **addr) 6144 { 6145 struct sctp_tcb *stcb; 6146 struct sctp_inpcb *inp; 6147 union sctp_sockstore store; 6148 6149 #ifdef INET6 6150 int error; 6151 6152 #endif 6153 inp = (struct sctp_inpcb *)so->so_pcb; 6154 6155 if (inp == 0) { 6156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6157 return (ECONNRESET); 6158 } 6159 SCTP_INP_RLOCK(inp); 6160 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6161 SCTP_INP_RUNLOCK(inp); 6162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6163 return (EOPNOTSUPP); 6164 } 6165 if (so->so_state & SS_ISDISCONNECTED) { 6166 SCTP_INP_RUNLOCK(inp); 6167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6168 return (ECONNABORTED); 6169 } 6170 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6171 if (stcb == NULL) { 6172 SCTP_INP_RUNLOCK(inp); 6173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6174 return (ECONNRESET); 6175 } 6176 SCTP_TCB_LOCK(stcb); 6177 SCTP_INP_RUNLOCK(inp); 6178 store = stcb->asoc.primary_destination->ro._l_addr; 6179 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6180 SCTP_TCB_UNLOCK(stcb); 6181 switch (store.sa.sa_family) { 6182 #ifdef INET 6183 case AF_INET: 6184 { 6185 struct sockaddr_in *sin; 6186 6187 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6188 if (sin == NULL) 6189 return (ENOMEM); 6190 sin->sin_family = AF_INET; 6191 sin->sin_len = sizeof(*sin); 6192 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6193 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6194 *addr = (struct sockaddr *)sin; 6195 break; 6196 } 6197 #endif 6198 #ifdef INET6 6199 case AF_INET6: 6200 { 6201 struct sockaddr_in6 *sin6; 6202 6203 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6204 if (sin6 == NULL) 6205 return (ENOMEM); 6206 sin6->sin6_family = AF_INET6; 6207 sin6->sin6_len = sizeof(*sin6); 6208 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6209 6210 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6211 if ((error = sa6_recoverscope(sin6)) != 0) { 6212 SCTP_FREE_SONAME(sin6); 6213 return (error); 6214 } 6215 *addr = (struct sockaddr *)sin6; 6216 break; 6217 } 6218 #endif 6219 default: 6220 /* TSNH */ 6221 break; 6222 } 6223 /* Wake any delayed sleep action */ 6224 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6225 SCTP_INP_WLOCK(inp); 6226 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6227 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6228 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6229 SCTP_INP_WUNLOCK(inp); 6230 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6231 if (sowriteable(inp->sctp_socket)) { 6232 sowwakeup_locked(inp->sctp_socket); 6233 } else { 6234 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6235 } 6236 SCTP_INP_WLOCK(inp); 6237 } 6238 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6239 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6240 SCTP_INP_WUNLOCK(inp); 6241 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6242 if (soreadable(inp->sctp_socket)) { 6243 sctp_defered_wakeup_cnt++; 6244 sorwakeup_locked(inp->sctp_socket); 6245 } else { 6246 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6247 } 6248 SCTP_INP_WLOCK(inp); 6249 } 6250 SCTP_INP_WUNLOCK(inp); 6251 } 6252 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6253 SCTP_TCB_LOCK(stcb); 6254 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6255 } 6256 return (0); 6257 } 6258 6259 #ifdef INET 6260 int 6261 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6262 { 6263 struct sockaddr_in *sin; 6264 uint32_t vrf_id; 6265 struct sctp_inpcb *inp; 6266 struct sctp_ifa *sctp_ifa; 6267 6268 /* 6269 * Do the malloc first in case it blocks. 6270 */ 6271 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6272 if (sin == NULL) 6273 return (ENOMEM); 6274 sin->sin_family = AF_INET; 6275 sin->sin_len = sizeof(*sin); 6276 inp = (struct sctp_inpcb *)so->so_pcb; 6277 if (!inp) { 6278 SCTP_FREE_SONAME(sin); 6279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6280 return (ECONNRESET); 6281 } 6282 SCTP_INP_RLOCK(inp); 6283 sin->sin_port = inp->sctp_lport; 6284 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6285 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6286 struct sctp_tcb *stcb; 6287 struct sockaddr_in *sin_a; 6288 struct sctp_nets *net; 6289 int fnd; 6290 6291 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6292 if (stcb == NULL) { 6293 goto notConn; 6294 } 6295 fnd = 0; 6296 sin_a = NULL; 6297 SCTP_TCB_LOCK(stcb); 6298 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6299 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6300 if (sin_a == NULL) 6301 /* this will make coverity happy */ 6302 continue; 6303 6304 if (sin_a->sin_family == AF_INET) { 6305 fnd = 1; 6306 break; 6307 } 6308 } 6309 if ((!fnd) || (sin_a == NULL)) { 6310 /* punt */ 6311 SCTP_TCB_UNLOCK(stcb); 6312 goto notConn; 6313 } 6314 vrf_id = inp->def_vrf_id; 6315 sctp_ifa = sctp_source_address_selection(inp, 6316 stcb, 6317 (sctp_route_t *) & net->ro, 6318 net, 0, vrf_id); 6319 if (sctp_ifa) { 6320 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6321 sctp_free_ifa(sctp_ifa); 6322 } 6323 SCTP_TCB_UNLOCK(stcb); 6324 } else { 6325 /* For the bound all case you get back 0 */ 6326 notConn: 6327 sin->sin_addr.s_addr = 0; 6328 } 6329 6330 } else { 6331 /* Take the first IPv4 address in the list */ 6332 struct sctp_laddr *laddr; 6333 int fnd = 0; 6334 6335 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6336 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6337 struct sockaddr_in *sin_a; 6338 6339 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6340 sin->sin_addr = sin_a->sin_addr; 6341 fnd = 1; 6342 break; 6343 } 6344 } 6345 if (!fnd) { 6346 SCTP_FREE_SONAME(sin); 6347 SCTP_INP_RUNLOCK(inp); 6348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6349 return (ENOENT); 6350 } 6351 } 6352 SCTP_INP_RUNLOCK(inp); 6353 (*addr) = (struct sockaddr *)sin; 6354 return (0); 6355 } 6356 6357 int 6358 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6359 { 6360 struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 6361 int fnd; 6362 struct sockaddr_in *sin_a; 6363 struct sctp_inpcb *inp; 6364 struct sctp_tcb *stcb; 6365 struct sctp_nets *net; 6366 6367 /* Do the malloc first in case it blocks. */ 6368 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6369 if (sin == NULL) 6370 return (ENOMEM); 6371 sin->sin_family = AF_INET; 6372 sin->sin_len = sizeof(*sin); 6373 6374 inp = (struct sctp_inpcb *)so->so_pcb; 6375 if ((inp == NULL) || 6376 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6377 /* UDP type and listeners will drop out here */ 6378 SCTP_FREE_SONAME(sin); 6379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6380 return (ENOTCONN); 6381 } 6382 SCTP_INP_RLOCK(inp); 6383 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6384 if (stcb) { 6385 SCTP_TCB_LOCK(stcb); 6386 } 6387 SCTP_INP_RUNLOCK(inp); 6388 if (stcb == NULL) { 6389 SCTP_FREE_SONAME(sin); 6390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6391 return (ECONNRESET); 6392 } 6393 fnd = 0; 6394 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6395 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6396 if (sin_a->sin_family == AF_INET) { 6397 fnd = 1; 6398 sin->sin_port = stcb->rport; 6399 sin->sin_addr = sin_a->sin_addr; 6400 break; 6401 } 6402 } 6403 SCTP_TCB_UNLOCK(stcb); 6404 if (!fnd) { 6405 /* No IPv4 address */ 6406 SCTP_FREE_SONAME(sin); 6407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6408 return (ENOENT); 6409 } 6410 (*addr) = (struct sockaddr *)sin; 6411 return (0); 6412 } 6413 6414 #ifdef INET 6415 struct pr_usrreqs sctp_usrreqs = { 6416 .pru_abort = sctp_abort, 6417 .pru_accept = sctp_accept, 6418 .pru_attach = sctp_attach, 6419 .pru_bind = sctp_bind, 6420 .pru_connect = sctp_connect, 6421 .pru_control = in_control, 6422 .pru_close = sctp_close, 6423 .pru_detach = sctp_close, 6424 .pru_sopoll = sopoll_generic, 6425 .pru_flush = sctp_flush, 6426 .pru_disconnect = sctp_disconnect, 6427 .pru_listen = sctp_listen, 6428 .pru_peeraddr = sctp_peeraddr, 6429 .pru_send = sctp_sendm, 6430 .pru_shutdown = sctp_shutdown, 6431 .pru_sockaddr = sctp_ingetaddr, 6432 .pru_sosend = sctp_sosend, 6433 .pru_soreceive = sctp_soreceive 6434 }; 6435 6436 #endif 6437 #endif 6438