1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #endif 43 #include <netinet/sctp_sysctl.h> 44 #include <netinet/sctp_output.h> 45 #include <netinet/sctp_uio.h> 46 #include <netinet/sctp_asconf.h> 47 #include <netinet/sctputil.h> 48 #include <netinet/sctp_indata.h> 49 #include <netinet/sctp_timer.h> 50 #include <netinet/sctp_auth.h> 51 #include <netinet/sctp_bsd_addr.h> 52 #include <netinet/udp.h> 53 54 55 56 extern struct sctp_cc_functions sctp_cc_functions[]; 57 extern struct sctp_ss_functions sctp_ss_functions[]; 58 59 void 60 sctp_init(void) 61 { 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX whichever is smaller for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84 #if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 88 #endif 89 } 90 91 void 92 sctp_finish(void) 93 { 94 sctp_pcb_finish(); 95 } 96 97 98 99 void 100 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 101 { 102 struct sctp_tmit_chunk *chk; 103 uint16_t overhead; 104 105 /* Adjust that too */ 106 stcb->asoc.smallest_mtu = nxtsz; 107 /* now off to subtract IP_DF flag if needed */ 108 overhead = IP_HDR_SIZE; 109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 111 } 112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 113 if ((chk->send_size + overhead) > nxtsz) { 114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 115 } 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 /* 120 * For this guy we also mark for immediate resend 121 * since we sent to big of chunk 122 */ 123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 124 if (chk->sent < SCTP_DATAGRAM_RESEND) { 125 sctp_flight_size_decrease(chk); 126 sctp_total_flight_decrease(stcb, chk); 127 } 128 if (chk->sent != SCTP_DATAGRAM_RESEND) { 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 } 131 chk->sent = SCTP_DATAGRAM_RESEND; 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uintptr_t) chk->whoTo, 138 chk->rec.data.TSN_seq); 139 } 140 /* Clear any time so NO RTT is being done */ 141 chk->do_rtt = 0; 142 } 143 } 144 } 145 146 #ifdef INET 147 static void 148 sctp_notify_mbuf(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 struct ip *ip, 152 struct sctphdr *sh) 153 { 154 struct icmp *icmph; 155 int totsz, tmr_stopped = 0; 156 uint16_t nxtsz; 157 158 /* protection */ 159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 160 (ip == NULL) || (sh == NULL)) { 161 if (stcb != NULL) { 162 SCTP_TCB_UNLOCK(stcb); 163 } 164 return; 165 } 166 /* First job is to verify the vtag matches what I would send */ 167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 172 sizeof(struct ip))); 173 if (icmph->icmp_type != ICMP_UNREACH) { 174 /* We only care about unreachable */ 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 179 /* not a unreachable message due to frag. */ 180 SCTP_TCB_UNLOCK(stcb); 181 return; 182 } 183 totsz = ntohs(ip->ip_len); 184 185 nxtsz = ntohs(icmph->icmp_nextmtu); 186 if (nxtsz == 0) { 187 /* 188 * old type router that does not tell us what the next size 189 * mtu is. Rats we will have to guess (in a educated fashion 190 * of course) 191 */ 192 nxtsz = sctp_get_prev_mtu(totsz); 193 } 194 /* Stop any PMTU timer */ 195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 196 tmr_stopped = 1; 197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 199 } 200 /* Adjust destination size limit */ 201 if (net->mtu > nxtsz) { 202 net->mtu = nxtsz; 203 if (net->port) { 204 net->mtu -= sizeof(struct udphdr); 205 } 206 } 207 /* now what about the ep? */ 208 if (stcb->asoc.smallest_mtu > nxtsz) { 209 sctp_pathmtu_adjustment(stcb, nxtsz); 210 } 211 if (tmr_stopped) 212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 213 214 SCTP_TCB_UNLOCK(stcb); 215 } 216 217 #endif 218 219 void 220 sctp_notify(struct sctp_inpcb *inp, 221 struct ip *ip, 222 struct sctphdr *sh, 223 struct sockaddr *to, 224 struct sctp_tcb *stcb, 225 struct sctp_nets *net) 226 { 227 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 228 struct socket *so; 229 230 #endif 231 struct icmp *icmph; 232 233 /* protection */ 234 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 235 (sh == NULL) || (to == NULL)) { 236 if (stcb) 237 SCTP_TCB_UNLOCK(stcb); 238 return; 239 } 240 /* First job is to verify the vtag matches what I would send */ 241 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 242 SCTP_TCB_UNLOCK(stcb); 243 return; 244 } 245 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 246 sizeof(struct ip))); 247 if (icmph->icmp_type != ICMP_UNREACH) { 248 /* We only care about unreachable */ 249 SCTP_TCB_UNLOCK(stcb); 250 return; 251 } 252 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 253 (icmph->icmp_code == ICMP_UNREACH_HOST) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 256 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 257 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 258 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 259 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 260 261 /* 262 * Hmm reachablity problems we must examine closely. If its 263 * not reachable, we may have lost a network. Or if there is 264 * NO protocol at the other end named SCTP. well we consider 265 * it a OOTB abort. 266 */ 267 if (net->dest_state & SCTP_ADDR_REACHABLE) { 268 /* Ok that destination is NOT reachable */ 269 net->dest_state &= ~SCTP_ADDR_REACHABLE; 270 net->dest_state &= ~SCTP_ADDR_PF; 271 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 272 stcb, 0, 273 (void *)net, SCTP_SO_NOT_LOCKED); 274 } 275 SCTP_TCB_UNLOCK(stcb); 276 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 277 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 278 /* 279 * Here the peer is either playing tricks on us, including 280 * an address that belongs to someone who does not support 281 * SCTP OR was a userland implementation that shutdown and 282 * now is dead. In either case treat it like a OOTB abort 283 * with no TCB 284 */ 285 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 286 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 287 so = SCTP_INP_SO(inp); 288 atomic_add_int(&stcb->asoc.refcnt, 1); 289 SCTP_TCB_UNLOCK(stcb); 290 SCTP_SOCKET_LOCK(so, 1); 291 SCTP_TCB_LOCK(stcb); 292 atomic_subtract_int(&stcb->asoc.refcnt, 1); 293 #endif 294 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 295 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 296 SCTP_SOCKET_UNLOCK(so, 1); 297 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 298 #endif 299 /* no need to unlock here, since the TCB is gone */ 300 } else { 301 SCTP_TCB_UNLOCK(stcb); 302 } 303 } 304 305 #ifdef INET 306 void 307 sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311 { 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373 } 374 375 #endif 376 377 static int 378 sctp_getcred(SYSCTL_HANDLER_ARGS) 379 { 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422 cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431 out: 432 return (error); 433 } 434 435 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439 #ifdef INET 440 static void 441 sctp_abort(struct socket *so) 442 { 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450 sctp_must_try_again: 451 flags = inp->sctp_flags; 452 #ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454 #endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457 #ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459 #endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480 } 481 482 static int 483 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484 { 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490 #ifdef IPSEC 491 uint32_t flags; 492 493 #endif 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp != 0) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 502 if (error) { 503 return (error); 504 } 505 } 506 error = sctp_inpcb_alloc(so, vrf_id); 507 if (error) { 508 return (error); 509 } 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 SCTP_INP_WLOCK(inp); 512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 513 ip_inp = &inp->ip_inp.inp; 514 ip_inp->inp_vflag |= INP_IPV4; 515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 516 #ifdef IPSEC 517 error = ipsec_init_policy(so, &ip_inp->inp_sp); 518 #ifdef SCTP_LOG_CLOSING 519 sctp_log_closing(inp, NULL, 17); 520 #endif 521 if (error != 0) { 522 try_again: 523 flags = inp->sctp_flags; 524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 526 #ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 15); 528 #endif 529 SCTP_INP_WUNLOCK(inp); 530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 532 } else { 533 flags = inp->sctp_flags; 534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 535 goto try_again; 536 } else { 537 SCTP_INP_WUNLOCK(inp); 538 } 539 } 540 return (error); 541 } 542 #endif /* IPSEC */ 543 SCTP_INP_WUNLOCK(inp); 544 return (0); 545 } 546 547 static int 548 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 549 { 550 struct sctp_inpcb *inp; 551 552 inp = (struct sctp_inpcb *)so->so_pcb; 553 if (inp == NULL) { 554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 555 return (EINVAL); 556 } 557 if (addr != NULL) { 558 if ((addr->sa_family != AF_INET) || 559 (addr->sa_len != sizeof(struct sockaddr_in))) { 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563 } 564 return (sctp_inpcb_bind(so, addr, NULL, p)); 565 } 566 567 #endif 568 void 569 sctp_close(struct socket *so) 570 { 571 struct sctp_inpcb *inp; 572 uint32_t flags; 573 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == NULL) 576 return; 577 578 /* 579 * Inform all the lower layer assoc that we are done. 580 */ 581 sctp_must_try_again: 582 flags = inp->sctp_flags; 583 #ifdef SCTP_LOG_CLOSING 584 sctp_log_closing(inp, NULL, 17); 585 #endif 586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 589 (so->so_rcv.sb_cc > 0)) { 590 #ifdef SCTP_LOG_CLOSING 591 sctp_log_closing(inp, NULL, 13); 592 #endif 593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 595 } else { 596 #ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 14); 598 #endif 599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 601 } 602 /* 603 * The socket is now detached, no matter what the state of 604 * the SCTP association. 605 */ 606 SOCK_LOCK(so); 607 SCTP_SB_CLEAR(so->so_snd); 608 /* 609 * same for the rcv ones, they are only here for the 610 * accounting/select. 611 */ 612 SCTP_SB_CLEAR(so->so_rcv); 613 614 /* Now null out the reference, we are completely detached. */ 615 so->so_pcb = NULL; 616 SOCK_UNLOCK(so); 617 } else { 618 flags = inp->sctp_flags; 619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 620 goto sctp_must_try_again; 621 } 622 } 623 return; 624 } 625 626 627 int 628 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 629 struct mbuf *control, struct thread *p); 630 631 632 int 633 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 634 struct mbuf *control, struct thread *p) 635 { 636 struct sctp_inpcb *inp; 637 int error; 638 639 inp = (struct sctp_inpcb *)so->so_pcb; 640 if (inp == NULL) { 641 if (control) { 642 sctp_m_freem(control); 643 control = NULL; 644 } 645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 646 sctp_m_freem(m); 647 return (EINVAL); 648 } 649 /* Got to have an to address if we are NOT a connected socket */ 650 if ((addr == NULL) && 651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 653 goto connected_type; 654 } else if (addr == NULL) { 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 656 error = EDESTADDRREQ; 657 sctp_m_freem(m); 658 if (control) { 659 sctp_m_freem(control); 660 control = NULL; 661 } 662 return (error); 663 } 664 #ifdef INET6 665 if (addr->sa_family != AF_INET) { 666 /* must be a v4 address! */ 667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 668 sctp_m_freem(m); 669 if (control) { 670 sctp_m_freem(control); 671 control = NULL; 672 } 673 error = EDESTADDRREQ; 674 return (error); 675 } 676 #endif /* INET6 */ 677 connected_type: 678 /* now what about control */ 679 if (control) { 680 if (inp->control) { 681 SCTP_PRINTF("huh? control set?\n"); 682 sctp_m_freem(inp->control); 683 inp->control = NULL; 684 } 685 inp->control = control; 686 } 687 /* Place the data */ 688 if (inp->pkt) { 689 SCTP_BUF_NEXT(inp->pkt_last) = m; 690 inp->pkt_last = m; 691 } else { 692 inp->pkt_last = inp->pkt = m; 693 } 694 if ( 695 /* FreeBSD uses a flag passed */ 696 ((flags & PRUS_MORETOCOME) == 0) 697 ) { 698 /* 699 * note with the current version this code will only be used 700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 701 * re-defining sosend to use the sctp_sosend. One can 702 * optionally switch back to this code (by changing back the 703 * definitions) but this is not advisable. This code is used 704 * by FreeBSD when sending a file with sendfile() though. 705 */ 706 int ret; 707 708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 709 inp->pkt = NULL; 710 inp->control = NULL; 711 return (ret); 712 } else { 713 return (0); 714 } 715 } 716 717 int 718 sctp_disconnect(struct socket *so) 719 { 720 struct sctp_inpcb *inp; 721 722 inp = (struct sctp_inpcb *)so->so_pcb; 723 if (inp == NULL) { 724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 725 return (ENOTCONN); 726 } 727 SCTP_INP_RLOCK(inp); 728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 730 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 731 /* No connection */ 732 SCTP_INP_RUNLOCK(inp); 733 return (0); 734 } else { 735 struct sctp_association *asoc; 736 struct sctp_tcb *stcb; 737 738 stcb = LIST_FIRST(&inp->sctp_asoc_list); 739 if (stcb == NULL) { 740 SCTP_INP_RUNLOCK(inp); 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 742 return (EINVAL); 743 } 744 SCTP_TCB_LOCK(stcb); 745 asoc = &stcb->asoc; 746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 747 /* We are about to be freed, out of here */ 748 SCTP_TCB_UNLOCK(stcb); 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } 752 if (((so->so_options & SO_LINGER) && 753 (so->so_linger == 0)) || 754 (so->so_rcv.sb_cc > 0)) { 755 if (SCTP_GET_STATE(asoc) != 756 SCTP_STATE_COOKIE_WAIT) { 757 /* Left with Data unread */ 758 struct mbuf *err; 759 760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 761 if (err) { 762 /* 763 * Fill in the user 764 * initiated abort 765 */ 766 struct sctp_paramhdr *ph; 767 768 ph = mtod(err, struct sctp_paramhdr *); 769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 771 ph->param_length = htons(SCTP_BUF_LEN(err)); 772 } 773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 774 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 775 } 776 SCTP_INP_RUNLOCK(inp); 777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 779 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 780 } 781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 782 /* No unlock tcb assoc is gone */ 783 return (0); 784 } 785 if (TAILQ_EMPTY(&asoc->send_queue) && 786 TAILQ_EMPTY(&asoc->sent_queue) && 787 (asoc->stream_queue_cnt == 0)) { 788 /* there is nothing queued to send, so done */ 789 if (asoc->locked_on_sending) { 790 goto abort_anyway; 791 } 792 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 793 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 794 /* only send SHUTDOWN 1st time thru */ 795 struct sctp_nets *netp; 796 797 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 802 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 803 sctp_stop_timers_for_shutdown(stcb); 804 if (stcb->asoc.alternate) { 805 netp = stcb->asoc.alternate; 806 } else { 807 netp = stcb->asoc.primary_destination; 808 } 809 sctp_send_shutdown(stcb, netp); 810 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 811 stcb->sctp_ep, stcb, netp); 812 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 813 stcb->sctp_ep, stcb, netp); 814 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 815 } 816 } else { 817 /* 818 * we still got (or just got) data to send, 819 * so set SHUTDOWN_PENDING 820 */ 821 /* 822 * XXX sockets draft says that SCTP_EOF 823 * should be sent with no data. currently, 824 * we will allow user data to be sent first 825 * and move to SHUTDOWN-PENDING 826 */ 827 struct sctp_nets *netp; 828 829 if (stcb->asoc.alternate) { 830 netp = stcb->asoc.alternate; 831 } else { 832 netp = stcb->asoc.primary_destination; 833 } 834 835 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 836 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 837 netp); 838 if (asoc->locked_on_sending) { 839 /* Locked to send out the data */ 840 struct sctp_stream_queue_pending *sp; 841 842 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 843 if (sp == NULL) { 844 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 845 asoc->locked_on_sending->stream_no); 846 } else { 847 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 848 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 849 } 850 } 851 if (TAILQ_EMPTY(&asoc->send_queue) && 852 TAILQ_EMPTY(&asoc->sent_queue) && 853 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 854 struct mbuf *op_err; 855 856 abort_anyway: 857 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 858 0, M_NOWAIT, 1, MT_DATA); 859 if (op_err) { 860 /* 861 * Fill in the user 862 * initiated abort 863 */ 864 struct sctp_paramhdr *ph; 865 866 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr); 867 ph = mtod(op_err, struct sctp_paramhdr *); 868 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 869 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 870 } 871 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 872 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 873 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 874 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 875 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 876 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 877 } 878 SCTP_INP_RUNLOCK(inp); 879 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 880 return (0); 881 } else { 882 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 883 } 884 } 885 soisdisconnecting(so); 886 SCTP_TCB_UNLOCK(stcb); 887 SCTP_INP_RUNLOCK(inp); 888 return (0); 889 } 890 /* not reached */ 891 } else { 892 /* UDP model does not support this */ 893 SCTP_INP_RUNLOCK(inp); 894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 895 return (EOPNOTSUPP); 896 } 897 } 898 899 int 900 sctp_flush(struct socket *so, int how) 901 { 902 /* 903 * We will just clear out the values and let subsequent close clear 904 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 905 * they will not be able to read the data, the socket will block 906 * that from happening. 907 */ 908 struct sctp_inpcb *inp; 909 910 inp = (struct sctp_inpcb *)so->so_pcb; 911 if (inp == NULL) { 912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 913 return (EINVAL); 914 } 915 SCTP_INP_RLOCK(inp); 916 /* For the 1 to many model this does nothing */ 917 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 SCTP_INP_RUNLOCK(inp); 922 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 923 /* 924 * First make sure the sb will be happy, we don't use these 925 * except maybe the count 926 */ 927 SCTP_INP_WLOCK(inp); 928 SCTP_INP_READ_LOCK(inp); 929 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 930 SCTP_INP_READ_UNLOCK(inp); 931 SCTP_INP_WUNLOCK(inp); 932 so->so_rcv.sb_cc = 0; 933 so->so_rcv.sb_mbcnt = 0; 934 so->so_rcv.sb_mb = NULL; 935 } 936 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 937 /* 938 * First make sure the sb will be happy, we don't use these 939 * except maybe the count 940 */ 941 so->so_snd.sb_cc = 0; 942 so->so_snd.sb_mbcnt = 0; 943 so->so_snd.sb_mb = NULL; 944 945 } 946 return (0); 947 } 948 949 int 950 sctp_shutdown(struct socket *so) 951 { 952 struct sctp_inpcb *inp; 953 954 inp = (struct sctp_inpcb *)so->so_pcb; 955 if (inp == NULL) { 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 957 return (EINVAL); 958 } 959 SCTP_INP_RLOCK(inp); 960 /* For UDP model this is a invalid call */ 961 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 963 /* Restore the flags that the soshutdown took away. */ 964 SOCKBUF_LOCK(&so->so_rcv); 965 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 966 SOCKBUF_UNLOCK(&so->so_rcv); 967 /* This proc will wakeup for read and do nothing (I hope) */ 968 SCTP_INP_RUNLOCK(inp); 969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 970 return (EOPNOTSUPP); 971 } 972 /* 973 * Ok if we reach here its the TCP model and it is either a SHUT_WR 974 * or SHUT_RDWR. This means we put the shutdown flag against it. 975 */ 976 { 977 struct sctp_tcb *stcb; 978 struct sctp_association *asoc; 979 980 if ((so->so_state & 981 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 982 SCTP_INP_RUNLOCK(inp); 983 return (ENOTCONN); 984 } 985 socantsendmore(so); 986 987 stcb = LIST_FIRST(&inp->sctp_asoc_list); 988 if (stcb == NULL) { 989 /* 990 * Ok we hit the case that the shutdown call was 991 * made after an abort or something. Nothing to do 992 * now. 993 */ 994 SCTP_INP_RUNLOCK(inp); 995 return (0); 996 } 997 SCTP_TCB_LOCK(stcb); 998 asoc = &stcb->asoc; 999 if (TAILQ_EMPTY(&asoc->send_queue) && 1000 TAILQ_EMPTY(&asoc->sent_queue) && 1001 (asoc->stream_queue_cnt == 0)) { 1002 if (asoc->locked_on_sending) { 1003 goto abort_anyway; 1004 } 1005 /* there is nothing queued to send, so I'm done... */ 1006 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1007 /* only send SHUTDOWN the first time through */ 1008 struct sctp_nets *netp; 1009 1010 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1011 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1012 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1013 } 1014 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1015 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1016 sctp_stop_timers_for_shutdown(stcb); 1017 if (stcb->asoc.alternate) { 1018 netp = stcb->asoc.alternate; 1019 } else { 1020 netp = stcb->asoc.primary_destination; 1021 } 1022 sctp_send_shutdown(stcb, netp); 1023 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1024 stcb->sctp_ep, stcb, netp); 1025 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1026 stcb->sctp_ep, stcb, netp); 1027 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1028 } 1029 } else { 1030 /* 1031 * we still got (or just got) data to send, so set 1032 * SHUTDOWN_PENDING 1033 */ 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 1042 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1043 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1044 netp); 1045 1046 if (asoc->locked_on_sending) { 1047 /* Locked to send out the data */ 1048 struct sctp_stream_queue_pending *sp; 1049 1050 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1051 if (sp == NULL) { 1052 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1053 asoc->locked_on_sending->stream_no); 1054 } else { 1055 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1056 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1057 } 1058 } 1059 } 1060 if (TAILQ_EMPTY(&asoc->send_queue) && 1061 TAILQ_EMPTY(&asoc->sent_queue) && 1062 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1063 struct mbuf *op_err; 1064 1065 abort_anyway: 1066 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 1067 0, M_NOWAIT, 1, MT_DATA); 1068 if (op_err) { 1069 /* Fill in the user initiated abort */ 1070 struct sctp_paramhdr *ph; 1071 1072 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr); 1073 ph = mtod(op_err, struct sctp_paramhdr *); 1074 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 1075 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1076 } 1077 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1078 sctp_abort_an_association(stcb->sctp_ep, stcb, 1079 op_err, SCTP_SO_LOCKED); 1080 goto skip_unlock; 1081 } else { 1082 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1083 } 1084 } 1085 SCTP_TCB_UNLOCK(stcb); 1086 } 1087 skip_unlock: 1088 SCTP_INP_RUNLOCK(inp); 1089 return (0); 1090 } 1091 1092 /* 1093 * copies a "user" presentable address and removes embedded scope, etc. 1094 * returns 0 on success, 1 on error 1095 */ 1096 static uint32_t 1097 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1098 { 1099 #ifdef INET6 1100 struct sockaddr_in6 lsa6; 1101 1102 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1103 &lsa6); 1104 #endif 1105 memcpy(ss, sa, sa->sa_len); 1106 return (0); 1107 } 1108 1109 1110 1111 /* 1112 * NOTE: assumes addr lock is held 1113 */ 1114 static size_t 1115 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1116 struct sctp_tcb *stcb, 1117 size_t limit, 1118 struct sockaddr_storage *sas, 1119 uint32_t vrf_id) 1120 { 1121 struct sctp_ifn *sctp_ifn; 1122 struct sctp_ifa *sctp_ifa; 1123 size_t actual; 1124 int loopback_scope; 1125 1126 #if defined(INET) 1127 int ipv4_local_scope, ipv4_addr_legal; 1128 1129 #endif 1130 #if defined(INET6) 1131 int local_scope, site_scope, ipv6_addr_legal; 1132 1133 #endif 1134 struct sctp_vrf *vrf; 1135 1136 actual = 0; 1137 if (limit <= 0) 1138 return (actual); 1139 1140 if (stcb) { 1141 /* Turn on all the appropriate scope */ 1142 loopback_scope = stcb->asoc.scope.loopback_scope; 1143 #if defined(INET) 1144 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1145 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1146 #endif 1147 #if defined(INET6) 1148 local_scope = stcb->asoc.scope.local_scope; 1149 site_scope = stcb->asoc.scope.site_scope; 1150 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1151 #endif 1152 } else { 1153 /* Use generic values for endpoints. */ 1154 loopback_scope = 1; 1155 #if defined(INET) 1156 ipv4_local_scope = 1; 1157 #endif 1158 #if defined(INET6) 1159 local_scope = 1; 1160 site_scope = 1; 1161 #endif 1162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1163 #if defined(INET6) 1164 ipv6_addr_legal = 1; 1165 #endif 1166 #if defined(INET) 1167 if (SCTP_IPV6_V6ONLY(inp)) { 1168 ipv4_addr_legal = 0; 1169 } else { 1170 ipv4_addr_legal = 1; 1171 } 1172 #endif 1173 } else { 1174 #if defined(INET6) 1175 ipv6_addr_legal = 0; 1176 #endif 1177 #if defined(INET) 1178 ipv4_addr_legal = 1; 1179 #endif 1180 } 1181 } 1182 vrf = sctp_find_vrf(vrf_id); 1183 if (vrf == NULL) { 1184 return (0); 1185 } 1186 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1187 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1188 if ((loopback_scope == 0) && 1189 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1190 /* Skip loopback if loopback_scope not set */ 1191 continue; 1192 } 1193 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1194 if (stcb) { 1195 /* 1196 * For the BOUND-ALL case, the list 1197 * associated with a TCB is Always 1198 * considered a reverse list.. i.e. 1199 * it lists addresses that are NOT 1200 * part of the association. If this 1201 * is one of those we must skip it. 1202 */ 1203 if (sctp_is_addr_restricted(stcb, 1204 sctp_ifa)) { 1205 continue; 1206 } 1207 } 1208 switch (sctp_ifa->address.sa.sa_family) { 1209 #ifdef INET 1210 case AF_INET: 1211 if (ipv4_addr_legal) { 1212 struct sockaddr_in *sin; 1213 1214 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1215 if (sin->sin_addr.s_addr == 0) { 1216 /* 1217 * we skip 1218 * unspecifed 1219 * addresses 1220 */ 1221 continue; 1222 } 1223 if ((ipv4_local_scope == 0) && 1224 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1225 continue; 1226 } 1227 #ifdef INET6 1228 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1229 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1230 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1231 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1232 actual += sizeof(struct sockaddr_in6); 1233 } else { 1234 #endif 1235 memcpy(sas, sin, sizeof(*sin)); 1236 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1237 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1238 actual += sizeof(*sin); 1239 #ifdef INET6 1240 } 1241 #endif 1242 if (actual >= limit) { 1243 return (actual); 1244 } 1245 } else { 1246 continue; 1247 } 1248 break; 1249 #endif 1250 #ifdef INET6 1251 case AF_INET6: 1252 if (ipv6_addr_legal) { 1253 struct sockaddr_in6 *sin6; 1254 1255 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1256 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1257 /* 1258 * we skip 1259 * unspecifed 1260 * addresses 1261 */ 1262 continue; 1263 } 1264 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1265 if (local_scope == 0) 1266 continue; 1267 if (sin6->sin6_scope_id == 0) { 1268 if (sa6_recoverscope(sin6) != 0) 1269 /* 1270 * 1271 * bad 1272 * 1273 * li 1274 * nk 1275 * 1276 * loc 1277 * al 1278 * 1279 * add 1280 * re 1281 * ss 1282 * */ 1283 continue; 1284 } 1285 } 1286 if ((site_scope == 0) && 1287 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1288 continue; 1289 } 1290 memcpy(sas, sin6, sizeof(*sin6)); 1291 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1292 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1293 actual += sizeof(*sin6); 1294 if (actual >= limit) { 1295 return (actual); 1296 } 1297 } else { 1298 continue; 1299 } 1300 break; 1301 #endif 1302 default: 1303 /* TSNH */ 1304 break; 1305 } 1306 } 1307 } 1308 } else { 1309 struct sctp_laddr *laddr; 1310 1311 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1312 if (stcb) { 1313 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1314 continue; 1315 } 1316 } 1317 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1318 continue; 1319 switch (laddr->ifa->address.sa.sa_family) { 1320 #ifdef INET 1321 case AF_INET: 1322 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1323 break; 1324 #endif 1325 #ifdef INET6 1326 case AF_INET6: 1327 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1328 break; 1329 #endif 1330 default: 1331 /* TSNH */ 1332 break; 1333 } 1334 sas = (struct sockaddr_storage *)((caddr_t)sas + 1335 laddr->ifa->address.sa.sa_len); 1336 actual += laddr->ifa->address.sa.sa_len; 1337 if (actual >= limit) { 1338 return (actual); 1339 } 1340 } 1341 } 1342 return (actual); 1343 } 1344 1345 static size_t 1346 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1347 struct sctp_tcb *stcb, 1348 size_t limit, 1349 struct sockaddr_storage *sas) 1350 { 1351 size_t size = 0; 1352 1353 SCTP_IPI_ADDR_RLOCK(); 1354 /* fill up addresses for the endpoint's default vrf */ 1355 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1356 inp->def_vrf_id); 1357 SCTP_IPI_ADDR_RUNLOCK(); 1358 return (size); 1359 } 1360 1361 /* 1362 * NOTE: assumes addr lock is held 1363 */ 1364 static int 1365 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1366 { 1367 int cnt = 0; 1368 struct sctp_vrf *vrf = NULL; 1369 1370 /* 1371 * In both sub-set bound an bound_all cases we return the MAXIMUM 1372 * number of addresses that you COULD get. In reality the sub-set 1373 * bound may have an exclusion list for a given TCB OR in the 1374 * bound-all case a TCB may NOT include the loopback or other 1375 * addresses as well. 1376 */ 1377 vrf = sctp_find_vrf(vrf_id); 1378 if (vrf == NULL) { 1379 return (0); 1380 } 1381 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1382 struct sctp_ifn *sctp_ifn; 1383 struct sctp_ifa *sctp_ifa; 1384 1385 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1386 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1387 /* Count them if they are the right type */ 1388 switch (sctp_ifa->address.sa.sa_family) { 1389 #ifdef INET 1390 case AF_INET: 1391 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1392 cnt += sizeof(struct sockaddr_in6); 1393 else 1394 cnt += sizeof(struct sockaddr_in); 1395 break; 1396 #endif 1397 #ifdef INET6 1398 case AF_INET6: 1399 cnt += sizeof(struct sockaddr_in6); 1400 break; 1401 #endif 1402 default: 1403 break; 1404 } 1405 } 1406 } 1407 } else { 1408 struct sctp_laddr *laddr; 1409 1410 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1411 switch (laddr->ifa->address.sa.sa_family) { 1412 #ifdef INET 1413 case AF_INET: 1414 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1415 cnt += sizeof(struct sockaddr_in6); 1416 else 1417 cnt += sizeof(struct sockaddr_in); 1418 break; 1419 #endif 1420 #ifdef INET6 1421 case AF_INET6: 1422 cnt += sizeof(struct sockaddr_in6); 1423 break; 1424 #endif 1425 default: 1426 break; 1427 } 1428 } 1429 } 1430 return (cnt); 1431 } 1432 1433 static int 1434 sctp_count_max_addresses(struct sctp_inpcb *inp) 1435 { 1436 int cnt = 0; 1437 1438 SCTP_IPI_ADDR_RLOCK(); 1439 /* count addresses for the endpoint's default VRF */ 1440 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1441 SCTP_IPI_ADDR_RUNLOCK(); 1442 return (cnt); 1443 } 1444 1445 static int 1446 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1447 size_t optsize, void *p, int delay) 1448 { 1449 int error = 0; 1450 int creat_lock_on = 0; 1451 struct sctp_tcb *stcb = NULL; 1452 struct sockaddr *sa; 1453 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1454 uint32_t vrf_id; 1455 int bad_addresses = 0; 1456 sctp_assoc_t *a_id; 1457 1458 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1459 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1461 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1462 /* We are already connected AND the TCP model */ 1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1464 return (EADDRINUSE); 1465 } 1466 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1467 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1468 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1469 return (EINVAL); 1470 } 1471 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1472 SCTP_INP_RLOCK(inp); 1473 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1474 SCTP_INP_RUNLOCK(inp); 1475 } 1476 if (stcb) { 1477 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1478 return (EALREADY); 1479 } 1480 SCTP_INP_INCR_REF(inp); 1481 SCTP_ASOC_CREATE_LOCK(inp); 1482 creat_lock_on = 1; 1483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1484 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1485 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1486 error = EFAULT; 1487 goto out_now; 1488 } 1489 totaddrp = (int *)optval; 1490 totaddr = *totaddrp; 1491 sa = (struct sockaddr *)(totaddrp + 1); 1492 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1493 if ((stcb != NULL) || bad_addresses) { 1494 /* Already have or am bring up an association */ 1495 SCTP_ASOC_CREATE_UNLOCK(inp); 1496 creat_lock_on = 0; 1497 if (stcb) 1498 SCTP_TCB_UNLOCK(stcb); 1499 if (bad_addresses == 0) { 1500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1501 error = EALREADY; 1502 } 1503 goto out_now; 1504 } 1505 #ifdef INET6 1506 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1507 (num_v6 > 0)) { 1508 error = EINVAL; 1509 goto out_now; 1510 } 1511 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1512 (num_v4 > 0)) { 1513 struct in6pcb *inp6; 1514 1515 inp6 = (struct in6pcb *)inp; 1516 if (SCTP_IPV6_V6ONLY(inp6)) { 1517 /* 1518 * if IPV6_V6ONLY flag, ignore connections destined 1519 * to a v4 addr or v4-mapped addr 1520 */ 1521 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1522 error = EINVAL; 1523 goto out_now; 1524 } 1525 } 1526 #endif /* INET6 */ 1527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1528 SCTP_PCB_FLAGS_UNBOUND) { 1529 /* Bind a ephemeral port */ 1530 error = sctp_inpcb_bind(so, NULL, NULL, p); 1531 if (error) { 1532 goto out_now; 1533 } 1534 } 1535 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1536 vrf_id = inp->def_vrf_id; 1537 1538 1539 /* We are GOOD to go */ 1540 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1541 (struct thread *)p 1542 ); 1543 if (stcb == NULL) { 1544 /* Gak! no memory */ 1545 goto out_now; 1546 } 1547 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1548 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1549 /* Set the connected flag so we can queue data */ 1550 soisconnecting(so); 1551 } 1552 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1553 /* move to second address */ 1554 switch (sa->sa_family) { 1555 #ifdef INET 1556 case AF_INET: 1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1558 break; 1559 #endif 1560 #ifdef INET6 1561 case AF_INET6: 1562 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1563 break; 1564 #endif 1565 default: 1566 break; 1567 } 1568 1569 error = 0; 1570 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1571 /* Fill in the return id */ 1572 if (error) { 1573 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1574 goto out_now; 1575 } 1576 a_id = (sctp_assoc_t *) optval; 1577 *a_id = sctp_get_associd(stcb); 1578 1579 /* initialize authentication parameters for the assoc */ 1580 sctp_initialize_auth_params(inp, stcb); 1581 1582 if (delay) { 1583 /* doing delayed connection */ 1584 stcb->asoc.delayed_connection = 1; 1585 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1586 } else { 1587 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1588 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1589 } 1590 SCTP_TCB_UNLOCK(stcb); 1591 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1592 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1593 /* Set the connected flag so we can queue data */ 1594 soisconnecting(so); 1595 } 1596 out_now: 1597 if (creat_lock_on) { 1598 SCTP_ASOC_CREATE_UNLOCK(inp); 1599 } 1600 SCTP_INP_DECR_REF(inp); 1601 return (error); 1602 } 1603 1604 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1607 SCTP_INP_RLOCK(inp); \ 1608 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1609 if (stcb) { \ 1610 SCTP_TCB_LOCK(stcb); \ 1611 } \ 1612 SCTP_INP_RUNLOCK(inp); \ 1613 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1614 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1615 if (stcb == NULL) { \ 1616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1617 error = ENOENT; \ 1618 break; \ 1619 } \ 1620 } else { \ 1621 stcb = NULL; \ 1622 } \ 1623 } 1624 1625 1626 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1627 if (size < sizeof(type)) { \ 1628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1629 error = EINVAL; \ 1630 break; \ 1631 } else { \ 1632 destp = (type *)srcp; \ 1633 } \ 1634 } 1635 1636 static int 1637 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1638 void *p) 1639 { 1640 struct sctp_inpcb *inp = NULL; 1641 int error, val = 0; 1642 struct sctp_tcb *stcb = NULL; 1643 1644 if (optval == NULL) { 1645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1646 return (EINVAL); 1647 } 1648 inp = (struct sctp_inpcb *)so->so_pcb; 1649 if (inp == NULL) { 1650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1651 return EINVAL; 1652 } 1653 error = 0; 1654 1655 switch (optname) { 1656 case SCTP_NODELAY: 1657 case SCTP_AUTOCLOSE: 1658 case SCTP_EXPLICIT_EOR: 1659 case SCTP_AUTO_ASCONF: 1660 case SCTP_DISABLE_FRAGMENTS: 1661 case SCTP_I_WANT_MAPPED_V4_ADDR: 1662 case SCTP_USE_EXT_RCVINFO: 1663 SCTP_INP_RLOCK(inp); 1664 switch (optname) { 1665 case SCTP_DISABLE_FRAGMENTS: 1666 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1667 break; 1668 case SCTP_I_WANT_MAPPED_V4_ADDR: 1669 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1670 break; 1671 case SCTP_AUTO_ASCONF: 1672 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1673 /* only valid for bound all sockets */ 1674 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1675 } else { 1676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1677 error = EINVAL; 1678 goto flags_out; 1679 } 1680 break; 1681 case SCTP_EXPLICIT_EOR: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1683 break; 1684 case SCTP_NODELAY: 1685 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1686 break; 1687 case SCTP_USE_EXT_RCVINFO: 1688 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1689 break; 1690 case SCTP_AUTOCLOSE: 1691 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1692 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1693 else 1694 val = 0; 1695 break; 1696 1697 default: 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1699 error = ENOPROTOOPT; 1700 } /* end switch (sopt->sopt_name) */ 1701 if (*optsize < sizeof(val)) { 1702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1703 error = EINVAL; 1704 } 1705 flags_out: 1706 SCTP_INP_RUNLOCK(inp); 1707 if (error == 0) { 1708 /* return the option value */ 1709 *(int *)optval = val; 1710 *optsize = sizeof(val); 1711 } 1712 break; 1713 case SCTP_GET_PACKET_LOG: 1714 { 1715 #ifdef SCTP_PACKET_LOGGING 1716 uint8_t *target; 1717 int ret; 1718 1719 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1720 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1721 *optsize = ret; 1722 #else 1723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1724 error = EOPNOTSUPP; 1725 #endif 1726 break; 1727 } 1728 case SCTP_REUSE_PORT: 1729 { 1730 uint32_t *value; 1731 1732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1733 /* Can't do this for a 1-m socket */ 1734 error = EINVAL; 1735 break; 1736 } 1737 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1738 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1739 *optsize = sizeof(uint32_t); 1740 break; 1741 } 1742 case SCTP_PARTIAL_DELIVERY_POINT: 1743 { 1744 uint32_t *value; 1745 1746 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1747 *value = inp->partial_delivery_point; 1748 *optsize = sizeof(uint32_t); 1749 break; 1750 } 1751 case SCTP_FRAGMENT_INTERLEAVE: 1752 { 1753 uint32_t *value; 1754 1755 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1756 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1757 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1758 *value = SCTP_FRAG_LEVEL_2; 1759 } else { 1760 *value = SCTP_FRAG_LEVEL_1; 1761 } 1762 } else { 1763 *value = SCTP_FRAG_LEVEL_0; 1764 } 1765 *optsize = sizeof(uint32_t); 1766 break; 1767 } 1768 case SCTP_CMT_ON_OFF: 1769 { 1770 struct sctp_assoc_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1776 SCTP_TCB_UNLOCK(stcb); 1777 } else { 1778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1780 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1781 SCTP_INP_RLOCK(inp); 1782 av->assoc_value = inp->sctp_cmt_on_off; 1783 SCTP_INP_RUNLOCK(inp); 1784 } else { 1785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1786 error = EINVAL; 1787 } 1788 } 1789 if (error == 0) { 1790 *optsize = sizeof(struct sctp_assoc_value); 1791 } 1792 break; 1793 } 1794 case SCTP_PLUGGABLE_CC: 1795 { 1796 struct sctp_assoc_value *av; 1797 1798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1799 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1800 if (stcb) { 1801 av->assoc_value = stcb->asoc.congestion_control_module; 1802 SCTP_TCB_UNLOCK(stcb); 1803 } else { 1804 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1805 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1806 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1807 SCTP_INP_RLOCK(inp); 1808 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1809 SCTP_INP_RUNLOCK(inp); 1810 } else { 1811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1812 error = EINVAL; 1813 } 1814 } 1815 if (error == 0) { 1816 *optsize = sizeof(struct sctp_assoc_value); 1817 } 1818 break; 1819 } 1820 case SCTP_CC_OPTION: 1821 { 1822 struct sctp_cc_option *cc_opt; 1823 1824 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1825 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1826 if (stcb == NULL) { 1827 error = EINVAL; 1828 } else { 1829 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1830 error = ENOTSUP; 1831 } else { 1832 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1833 *optsize = sizeof(struct sctp_cc_option); 1834 } 1835 SCTP_TCB_UNLOCK(stcb); 1836 } 1837 break; 1838 } 1839 case SCTP_PLUGGABLE_SS: 1840 { 1841 struct sctp_assoc_value *av; 1842 1843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1844 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1845 if (stcb) { 1846 av->assoc_value = stcb->asoc.stream_scheduling_module; 1847 SCTP_TCB_UNLOCK(stcb); 1848 } else { 1849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1851 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1852 SCTP_INP_RLOCK(inp); 1853 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1854 SCTP_INP_RUNLOCK(inp); 1855 } else { 1856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1857 error = EINVAL; 1858 } 1859 } 1860 if (error == 0) { 1861 *optsize = sizeof(struct sctp_assoc_value); 1862 } 1863 break; 1864 } 1865 case SCTP_SS_VALUE: 1866 { 1867 struct sctp_stream_value *av; 1868 1869 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1870 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1871 if (stcb) { 1872 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1873 &av->stream_value) < 0) { 1874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1875 error = EINVAL; 1876 } else { 1877 *optsize = sizeof(struct sctp_stream_value); 1878 } 1879 SCTP_TCB_UNLOCK(stcb); 1880 } else { 1881 /* 1882 * Can't get stream value without 1883 * association 1884 */ 1885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1886 error = EINVAL; 1887 } 1888 break; 1889 } 1890 case SCTP_GET_ADDR_LEN: 1891 { 1892 struct sctp_assoc_value *av; 1893 1894 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1895 error = EINVAL; 1896 #ifdef INET 1897 if (av->assoc_value == AF_INET) { 1898 av->assoc_value = sizeof(struct sockaddr_in); 1899 error = 0; 1900 } 1901 #endif 1902 #ifdef INET6 1903 if (av->assoc_value == AF_INET6) { 1904 av->assoc_value = sizeof(struct sockaddr_in6); 1905 error = 0; 1906 } 1907 #endif 1908 if (error) { 1909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1910 } else { 1911 *optsize = sizeof(struct sctp_assoc_value); 1912 } 1913 break; 1914 } 1915 case SCTP_GET_ASSOC_NUMBER: 1916 { 1917 uint32_t *value, cnt; 1918 1919 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1920 cnt = 0; 1921 SCTP_INP_RLOCK(inp); 1922 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1923 cnt++; 1924 } 1925 SCTP_INP_RUNLOCK(inp); 1926 *value = cnt; 1927 *optsize = sizeof(uint32_t); 1928 break; 1929 } 1930 case SCTP_GET_ASSOC_ID_LIST: 1931 { 1932 struct sctp_assoc_ids *ids; 1933 unsigned int at, limit; 1934 1935 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1936 at = 0; 1937 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1938 SCTP_INP_RLOCK(inp); 1939 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1940 if (at < limit) { 1941 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1942 } else { 1943 error = EINVAL; 1944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1945 break; 1946 } 1947 } 1948 SCTP_INP_RUNLOCK(inp); 1949 if (error == 0) { 1950 ids->gaids_number_of_ids = at; 1951 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1952 } 1953 break; 1954 } 1955 case SCTP_CONTEXT: 1956 { 1957 struct sctp_assoc_value *av; 1958 1959 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1960 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1961 1962 if (stcb) { 1963 av->assoc_value = stcb->asoc.context; 1964 SCTP_TCB_UNLOCK(stcb); 1965 } else { 1966 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1967 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1968 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1969 SCTP_INP_RLOCK(inp); 1970 av->assoc_value = inp->sctp_context; 1971 SCTP_INP_RUNLOCK(inp); 1972 } else { 1973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1974 error = EINVAL; 1975 } 1976 } 1977 if (error == 0) { 1978 *optsize = sizeof(struct sctp_assoc_value); 1979 } 1980 break; 1981 } 1982 case SCTP_VRF_ID: 1983 { 1984 uint32_t *default_vrfid; 1985 1986 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1987 *default_vrfid = inp->def_vrf_id; 1988 *optsize = sizeof(uint32_t); 1989 break; 1990 } 1991 case SCTP_GET_ASOC_VRF: 1992 { 1993 struct sctp_assoc_value *id; 1994 1995 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1996 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1997 if (stcb == NULL) { 1998 error = EINVAL; 1999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2000 } else { 2001 id->assoc_value = stcb->asoc.vrf_id; 2002 *optsize = sizeof(struct sctp_assoc_value); 2003 } 2004 break; 2005 } 2006 case SCTP_GET_VRF_IDS: 2007 { 2008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2009 error = EOPNOTSUPP; 2010 break; 2011 } 2012 case SCTP_GET_NONCE_VALUES: 2013 { 2014 struct sctp_get_nonce_values *gnv; 2015 2016 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2017 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2018 2019 if (stcb) { 2020 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2021 gnv->gn_local_tag = stcb->asoc.my_vtag; 2022 SCTP_TCB_UNLOCK(stcb); 2023 *optsize = sizeof(struct sctp_get_nonce_values); 2024 } else { 2025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2026 error = ENOTCONN; 2027 } 2028 break; 2029 } 2030 case SCTP_DELAYED_SACK: 2031 { 2032 struct sctp_sack_info *sack; 2033 2034 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2035 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2036 if (stcb) { 2037 sack->sack_delay = stcb->asoc.delayed_ack; 2038 sack->sack_freq = stcb->asoc.sack_freq; 2039 SCTP_TCB_UNLOCK(stcb); 2040 } else { 2041 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2042 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2043 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2044 SCTP_INP_RLOCK(inp); 2045 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2046 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2047 SCTP_INP_RUNLOCK(inp); 2048 } else { 2049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2050 error = EINVAL; 2051 } 2052 } 2053 if (error == 0) { 2054 *optsize = sizeof(struct sctp_sack_info); 2055 } 2056 break; 2057 } 2058 case SCTP_GET_SNDBUF_USE: 2059 { 2060 struct sctp_sockstat *ss; 2061 2062 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2063 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2064 2065 if (stcb) { 2066 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2067 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2068 stcb->asoc.size_on_all_streams); 2069 SCTP_TCB_UNLOCK(stcb); 2070 *optsize = sizeof(struct sctp_sockstat); 2071 } else { 2072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2073 error = ENOTCONN; 2074 } 2075 break; 2076 } 2077 case SCTP_MAX_BURST: 2078 { 2079 struct sctp_assoc_value *av; 2080 2081 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2082 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2083 2084 if (stcb) { 2085 av->assoc_value = stcb->asoc.max_burst; 2086 SCTP_TCB_UNLOCK(stcb); 2087 } else { 2088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2090 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2091 SCTP_INP_RLOCK(inp); 2092 av->assoc_value = inp->sctp_ep.max_burst; 2093 SCTP_INP_RUNLOCK(inp); 2094 } else { 2095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2096 error = EINVAL; 2097 } 2098 } 2099 if (error == 0) { 2100 *optsize = sizeof(struct sctp_assoc_value); 2101 } 2102 break; 2103 } 2104 case SCTP_MAXSEG: 2105 { 2106 struct sctp_assoc_value *av; 2107 int ovh; 2108 2109 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2110 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2111 2112 if (stcb) { 2113 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2114 SCTP_TCB_UNLOCK(stcb); 2115 } else { 2116 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2117 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2118 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2119 SCTP_INP_RLOCK(inp); 2120 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2121 ovh = SCTP_MED_OVERHEAD; 2122 } else { 2123 ovh = SCTP_MED_V4_OVERHEAD; 2124 } 2125 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2126 av->assoc_value = 0; 2127 else 2128 av->assoc_value = inp->sctp_frag_point - ovh; 2129 SCTP_INP_RUNLOCK(inp); 2130 } else { 2131 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2132 error = EINVAL; 2133 } 2134 } 2135 if (error == 0) { 2136 *optsize = sizeof(struct sctp_assoc_value); 2137 } 2138 break; 2139 } 2140 case SCTP_GET_STAT_LOG: 2141 error = sctp_fill_stat_log(optval, optsize); 2142 break; 2143 case SCTP_EVENTS: 2144 { 2145 struct sctp_event_subscribe *events; 2146 2147 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2148 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2149 SCTP_INP_RLOCK(inp); 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2151 events->sctp_data_io_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2154 events->sctp_association_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2157 events->sctp_address_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2160 events->sctp_send_failure_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2163 events->sctp_peer_error_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2166 events->sctp_shutdown_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2169 events->sctp_partial_delivery_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2172 events->sctp_adaptation_layer_event = 1; 2173 2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2175 events->sctp_authentication_event = 1; 2176 2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2178 events->sctp_sender_dry_event = 1; 2179 2180 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2181 events->sctp_stream_reset_event = 1; 2182 SCTP_INP_RUNLOCK(inp); 2183 *optsize = sizeof(struct sctp_event_subscribe); 2184 break; 2185 } 2186 case SCTP_ADAPTATION_LAYER: 2187 { 2188 uint32_t *value; 2189 2190 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2191 2192 SCTP_INP_RLOCK(inp); 2193 *value = inp->sctp_ep.adaptation_layer_indicator; 2194 SCTP_INP_RUNLOCK(inp); 2195 *optsize = sizeof(uint32_t); 2196 break; 2197 } 2198 case SCTP_SET_INITIAL_DBG_SEQ: 2199 { 2200 uint32_t *value; 2201 2202 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2203 SCTP_INP_RLOCK(inp); 2204 *value = inp->sctp_ep.initial_sequence_debug; 2205 SCTP_INP_RUNLOCK(inp); 2206 *optsize = sizeof(uint32_t); 2207 break; 2208 } 2209 case SCTP_GET_LOCAL_ADDR_SIZE: 2210 { 2211 uint32_t *value; 2212 2213 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2214 SCTP_INP_RLOCK(inp); 2215 *value = sctp_count_max_addresses(inp); 2216 SCTP_INP_RUNLOCK(inp); 2217 *optsize = sizeof(uint32_t); 2218 break; 2219 } 2220 case SCTP_GET_REMOTE_ADDR_SIZE: 2221 { 2222 uint32_t *value; 2223 size_t size; 2224 struct sctp_nets *net; 2225 2226 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2227 /* FIXME MT: change to sctp_assoc_value? */ 2228 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2229 2230 if (stcb) { 2231 size = 0; 2232 /* Count the sizes */ 2233 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2234 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2235 size += sizeof(struct sockaddr_in6); 2236 } else { 2237 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2238 #ifdef INET 2239 case AF_INET: 2240 size += sizeof(struct sockaddr_in); 2241 break; 2242 #endif 2243 #ifdef INET6 2244 case AF_INET6: 2245 size += sizeof(struct sockaddr_in6); 2246 break; 2247 #endif 2248 default: 2249 break; 2250 } 2251 } 2252 } 2253 SCTP_TCB_UNLOCK(stcb); 2254 *value = (uint32_t) size; 2255 *optsize = sizeof(uint32_t); 2256 } else { 2257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2258 error = ENOTCONN; 2259 } 2260 break; 2261 } 2262 case SCTP_GET_PEER_ADDRESSES: 2263 /* 2264 * Get the address information, an array is passed in to 2265 * fill up we pack it. 2266 */ 2267 { 2268 size_t cpsz, left; 2269 struct sockaddr_storage *sas; 2270 struct sctp_nets *net; 2271 struct sctp_getaddresses *saddr; 2272 2273 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2274 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2275 2276 if (stcb) { 2277 left = (*optsize) - sizeof(struct sctp_getaddresses); 2278 *optsize = sizeof(struct sctp_getaddresses); 2279 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2280 2281 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2282 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2283 cpsz = sizeof(struct sockaddr_in6); 2284 } else { 2285 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2286 #ifdef INET 2287 case AF_INET: 2288 cpsz = sizeof(struct sockaddr_in); 2289 break; 2290 #endif 2291 #ifdef INET6 2292 case AF_INET6: 2293 cpsz = sizeof(struct sockaddr_in6); 2294 break; 2295 #endif 2296 default: 2297 cpsz = 0; 2298 break; 2299 } 2300 } 2301 if (cpsz == 0) { 2302 break; 2303 } 2304 if (left < cpsz) { 2305 /* not enough room. */ 2306 break; 2307 } 2308 #if defined(INET) && defined(INET6) 2309 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2310 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2311 /* Must map the address */ 2312 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2313 (struct sockaddr_in6 *)sas); 2314 } else { 2315 #endif 2316 memcpy(sas, &net->ro._l_addr, cpsz); 2317 #if defined(INET) && defined(INET6) 2318 } 2319 #endif 2320 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2321 2322 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2323 left -= cpsz; 2324 *optsize += cpsz; 2325 } 2326 SCTP_TCB_UNLOCK(stcb); 2327 } else { 2328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2329 error = ENOENT; 2330 } 2331 break; 2332 } 2333 case SCTP_GET_LOCAL_ADDRESSES: 2334 { 2335 size_t limit, actual; 2336 struct sockaddr_storage *sas; 2337 struct sctp_getaddresses *saddr; 2338 2339 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2340 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2341 2342 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2343 limit = *optsize - sizeof(sctp_assoc_t); 2344 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2345 if (stcb) { 2346 SCTP_TCB_UNLOCK(stcb); 2347 } 2348 *optsize = sizeof(struct sockaddr_storage) + actual; 2349 break; 2350 } 2351 case SCTP_PEER_ADDR_PARAMS: 2352 { 2353 struct sctp_paddrparams *paddrp; 2354 struct sctp_nets *net; 2355 2356 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2357 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2358 2359 net = NULL; 2360 if (stcb) { 2361 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2362 } else { 2363 /* 2364 * We increment here since 2365 * sctp_findassociation_ep_addr() wil do a 2366 * decrement if it finds the stcb as long as 2367 * the locked tcb (last argument) is NOT a 2368 * TCB.. aka NULL. 2369 */ 2370 SCTP_INP_INCR_REF(inp); 2371 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2372 if (stcb == NULL) { 2373 SCTP_INP_DECR_REF(inp); 2374 } 2375 } 2376 if (stcb && (net == NULL)) { 2377 struct sockaddr *sa; 2378 2379 sa = (struct sockaddr *)&paddrp->spp_address; 2380 #ifdef INET 2381 if (sa->sa_family == AF_INET) { 2382 struct sockaddr_in *sin; 2383 2384 sin = (struct sockaddr_in *)sa; 2385 if (sin->sin_addr.s_addr) { 2386 error = EINVAL; 2387 SCTP_TCB_UNLOCK(stcb); 2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2389 break; 2390 } 2391 } else 2392 #endif 2393 #ifdef INET6 2394 if (sa->sa_family == AF_INET6) { 2395 struct sockaddr_in6 *sin6; 2396 2397 sin6 = (struct sockaddr_in6 *)sa; 2398 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2399 error = EINVAL; 2400 SCTP_TCB_UNLOCK(stcb); 2401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2402 break; 2403 } 2404 } else 2405 #endif 2406 { 2407 error = EAFNOSUPPORT; 2408 SCTP_TCB_UNLOCK(stcb); 2409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2410 break; 2411 } 2412 } 2413 if (stcb) { 2414 /* Applies to the specific association */ 2415 paddrp->spp_flags = 0; 2416 if (net) { 2417 int ovh; 2418 2419 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2420 ovh = SCTP_MED_OVERHEAD; 2421 } else { 2422 ovh = SCTP_MED_V4_OVERHEAD; 2423 } 2424 2425 paddrp->spp_hbinterval = net->heart_beat_delay; 2426 paddrp->spp_pathmaxrxt = net->failure_threshold; 2427 paddrp->spp_pathmtu = net->mtu - ovh; 2428 /* get flags for HB */ 2429 if (net->dest_state & SCTP_ADDR_NOHB) { 2430 paddrp->spp_flags |= SPP_HB_DISABLE; 2431 } else { 2432 paddrp->spp_flags |= SPP_HB_ENABLE; 2433 } 2434 /* get flags for PMTU */ 2435 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2436 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2437 } else { 2438 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2439 } 2440 if (net->dscp & 0x01) { 2441 paddrp->spp_dscp = net->dscp & 0xfc; 2442 paddrp->spp_flags |= SPP_DSCP; 2443 } 2444 #ifdef INET6 2445 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2446 (net->flowlabel & 0x80000000)) { 2447 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2448 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2449 } 2450 #endif 2451 } else { 2452 /* 2453 * No destination so return default 2454 * value 2455 */ 2456 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2457 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2458 if (stcb->asoc.default_dscp & 0x01) { 2459 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2460 paddrp->spp_flags |= SPP_DSCP; 2461 } 2462 #ifdef INET6 2463 if (stcb->asoc.default_flowlabel & 0x80000000) { 2464 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2465 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2466 } 2467 #endif 2468 /* default settings should be these */ 2469 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2470 paddrp->spp_flags |= SPP_HB_DISABLE; 2471 } else { 2472 paddrp->spp_flags |= SPP_HB_ENABLE; 2473 } 2474 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2475 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2476 } else { 2477 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2478 } 2479 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2480 } 2481 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2482 SCTP_TCB_UNLOCK(stcb); 2483 } else { 2484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2485 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2486 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2487 /* Use endpoint defaults */ 2488 SCTP_INP_RLOCK(inp); 2489 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2490 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2491 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2492 /* get inp's default */ 2493 if (inp->sctp_ep.default_dscp & 0x01) { 2494 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2495 paddrp->spp_flags |= SPP_DSCP; 2496 } 2497 #ifdef INET6 2498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2499 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2500 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2501 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2502 } 2503 #endif 2504 /* can't return this */ 2505 paddrp->spp_pathmtu = 0; 2506 2507 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2508 paddrp->spp_flags |= SPP_HB_ENABLE; 2509 } else { 2510 paddrp->spp_flags |= SPP_HB_DISABLE; 2511 } 2512 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2513 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2514 } else { 2515 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2516 } 2517 SCTP_INP_RUNLOCK(inp); 2518 } else { 2519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2520 error = EINVAL; 2521 } 2522 } 2523 if (error == 0) { 2524 *optsize = sizeof(struct sctp_paddrparams); 2525 } 2526 break; 2527 } 2528 case SCTP_GET_PEER_ADDR_INFO: 2529 { 2530 struct sctp_paddrinfo *paddri; 2531 struct sctp_nets *net; 2532 2533 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2534 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2535 2536 net = NULL; 2537 if (stcb) { 2538 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2539 } else { 2540 /* 2541 * We increment here since 2542 * sctp_findassociation_ep_addr() wil do a 2543 * decrement if it finds the stcb as long as 2544 * the locked tcb (last argument) is NOT a 2545 * TCB.. aka NULL. 2546 */ 2547 SCTP_INP_INCR_REF(inp); 2548 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2549 if (stcb == NULL) { 2550 SCTP_INP_DECR_REF(inp); 2551 } 2552 } 2553 2554 if ((stcb) && (net)) { 2555 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2556 /* It's unconfirmed */ 2557 paddri->spinfo_state = SCTP_UNCONFIRMED; 2558 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2559 /* It's active */ 2560 paddri->spinfo_state = SCTP_ACTIVE; 2561 } else { 2562 /* It's inactive */ 2563 paddri->spinfo_state = SCTP_INACTIVE; 2564 } 2565 paddri->spinfo_cwnd = net->cwnd; 2566 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2567 paddri->spinfo_rto = net->RTO; 2568 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2569 paddri->spinfo_mtu = net->mtu; 2570 SCTP_TCB_UNLOCK(stcb); 2571 *optsize = sizeof(struct sctp_paddrinfo); 2572 } else { 2573 if (stcb) { 2574 SCTP_TCB_UNLOCK(stcb); 2575 } 2576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2577 error = ENOENT; 2578 } 2579 break; 2580 } 2581 case SCTP_PCB_STATUS: 2582 { 2583 struct sctp_pcbinfo *spcb; 2584 2585 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2586 sctp_fill_pcbinfo(spcb); 2587 *optsize = sizeof(struct sctp_pcbinfo); 2588 break; 2589 } 2590 case SCTP_STATUS: 2591 { 2592 struct sctp_nets *net; 2593 struct sctp_status *sstat; 2594 2595 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2596 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2597 2598 if (stcb == NULL) { 2599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2600 error = EINVAL; 2601 break; 2602 } 2603 /* 2604 * I think passing the state is fine since 2605 * sctp_constants.h will be available to the user 2606 * land. 2607 */ 2608 sstat->sstat_state = stcb->asoc.state; 2609 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2610 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2611 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2612 /* 2613 * We can't include chunks that have been passed to 2614 * the socket layer. Only things in queue. 2615 */ 2616 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2617 stcb->asoc.cnt_on_all_streams); 2618 2619 2620 sstat->sstat_instrms = stcb->asoc.streamincnt; 2621 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2622 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2623 memcpy(&sstat->sstat_primary.spinfo_address, 2624 &stcb->asoc.primary_destination->ro._l_addr, 2625 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2626 net = stcb->asoc.primary_destination; 2627 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2628 /* 2629 * Again the user can get info from sctp_constants.h 2630 * for what the state of the network is. 2631 */ 2632 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2633 /* It's unconfirmed */ 2634 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2635 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2636 /* It's active */ 2637 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2638 } else { 2639 /* It's inactive */ 2640 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2641 } 2642 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2643 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2644 sstat->sstat_primary.spinfo_rto = net->RTO; 2645 sstat->sstat_primary.spinfo_mtu = net->mtu; 2646 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2647 SCTP_TCB_UNLOCK(stcb); 2648 *optsize = sizeof(struct sctp_status); 2649 break; 2650 } 2651 case SCTP_RTOINFO: 2652 { 2653 struct sctp_rtoinfo *srto; 2654 2655 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2656 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2657 2658 if (stcb) { 2659 srto->srto_initial = stcb->asoc.initial_rto; 2660 srto->srto_max = stcb->asoc.maxrto; 2661 srto->srto_min = stcb->asoc.minrto; 2662 SCTP_TCB_UNLOCK(stcb); 2663 } else { 2664 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2665 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2666 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2667 SCTP_INP_RLOCK(inp); 2668 srto->srto_initial = inp->sctp_ep.initial_rto; 2669 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2670 srto->srto_min = inp->sctp_ep.sctp_minrto; 2671 SCTP_INP_RUNLOCK(inp); 2672 } else { 2673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2674 error = EINVAL; 2675 } 2676 } 2677 if (error == 0) { 2678 *optsize = sizeof(struct sctp_rtoinfo); 2679 } 2680 break; 2681 } 2682 case SCTP_TIMEOUTS: 2683 { 2684 struct sctp_timeouts *stimo; 2685 2686 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2687 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2688 2689 if (stcb) { 2690 stimo->stimo_init = stcb->asoc.timoinit; 2691 stimo->stimo_data = stcb->asoc.timodata; 2692 stimo->stimo_sack = stcb->asoc.timosack; 2693 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2694 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2695 stimo->stimo_cookie = stcb->asoc.timocookie; 2696 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2697 SCTP_TCB_UNLOCK(stcb); 2698 *optsize = sizeof(struct sctp_timeouts); 2699 } else { 2700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2701 error = EINVAL; 2702 } 2703 break; 2704 } 2705 case SCTP_ASSOCINFO: 2706 { 2707 struct sctp_assocparams *sasoc; 2708 2709 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2710 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2711 2712 if (stcb) { 2713 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2714 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2715 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2716 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2717 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2718 SCTP_TCB_UNLOCK(stcb); 2719 } else { 2720 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2721 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2722 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2723 SCTP_INP_RLOCK(inp); 2724 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2725 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2726 sasoc->sasoc_number_peer_destinations = 0; 2727 sasoc->sasoc_peer_rwnd = 0; 2728 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2729 SCTP_INP_RUNLOCK(inp); 2730 } else { 2731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2732 error = EINVAL; 2733 } 2734 } 2735 if (error == 0) { 2736 *optsize = sizeof(struct sctp_assocparams); 2737 } 2738 break; 2739 } 2740 case SCTP_DEFAULT_SEND_PARAM: 2741 { 2742 struct sctp_sndrcvinfo *s_info; 2743 2744 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2745 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2746 2747 if (stcb) { 2748 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2749 SCTP_TCB_UNLOCK(stcb); 2750 } else { 2751 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2752 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2753 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2754 SCTP_INP_RLOCK(inp); 2755 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2756 SCTP_INP_RUNLOCK(inp); 2757 } else { 2758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2759 error = EINVAL; 2760 } 2761 } 2762 if (error == 0) { 2763 *optsize = sizeof(struct sctp_sndrcvinfo); 2764 } 2765 break; 2766 } 2767 case SCTP_INITMSG: 2768 { 2769 struct sctp_initmsg *sinit; 2770 2771 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2772 SCTP_INP_RLOCK(inp); 2773 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2774 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2775 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2776 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2777 SCTP_INP_RUNLOCK(inp); 2778 *optsize = sizeof(struct sctp_initmsg); 2779 break; 2780 } 2781 case SCTP_PRIMARY_ADDR: 2782 /* we allow a "get" operation on this */ 2783 { 2784 struct sctp_setprim *ssp; 2785 2786 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2787 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2788 2789 if (stcb) { 2790 /* simply copy out the sockaddr_storage... */ 2791 int len; 2792 2793 len = *optsize; 2794 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2795 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2796 2797 memcpy(&ssp->ssp_addr, 2798 &stcb->asoc.primary_destination->ro._l_addr, 2799 len); 2800 SCTP_TCB_UNLOCK(stcb); 2801 *optsize = sizeof(struct sctp_setprim); 2802 } else { 2803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2804 error = EINVAL; 2805 } 2806 break; 2807 } 2808 case SCTP_HMAC_IDENT: 2809 { 2810 struct sctp_hmacalgo *shmac; 2811 sctp_hmaclist_t *hmaclist; 2812 uint32_t size; 2813 int i; 2814 2815 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2816 2817 SCTP_INP_RLOCK(inp); 2818 hmaclist = inp->sctp_ep.local_hmacs; 2819 if (hmaclist == NULL) { 2820 /* no HMACs to return */ 2821 *optsize = sizeof(*shmac); 2822 SCTP_INP_RUNLOCK(inp); 2823 break; 2824 } 2825 /* is there room for all of the hmac ids? */ 2826 size = sizeof(*shmac) + (hmaclist->num_algo * 2827 sizeof(shmac->shmac_idents[0])); 2828 if ((size_t)(*optsize) < size) { 2829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2830 error = EINVAL; 2831 SCTP_INP_RUNLOCK(inp); 2832 break; 2833 } 2834 /* copy in the list */ 2835 shmac->shmac_number_of_idents = hmaclist->num_algo; 2836 for (i = 0; i < hmaclist->num_algo; i++) { 2837 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2838 } 2839 SCTP_INP_RUNLOCK(inp); 2840 *optsize = size; 2841 break; 2842 } 2843 case SCTP_AUTH_ACTIVE_KEY: 2844 { 2845 struct sctp_authkeyid *scact; 2846 2847 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2848 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2849 2850 if (stcb) { 2851 /* get the active key on the assoc */ 2852 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2853 SCTP_TCB_UNLOCK(stcb); 2854 } else { 2855 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2856 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2857 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2858 /* get the endpoint active key */ 2859 SCTP_INP_RLOCK(inp); 2860 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2861 SCTP_INP_RUNLOCK(inp); 2862 } else { 2863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2864 error = EINVAL; 2865 } 2866 } 2867 if (error == 0) { 2868 *optsize = sizeof(struct sctp_authkeyid); 2869 } 2870 break; 2871 } 2872 case SCTP_LOCAL_AUTH_CHUNKS: 2873 { 2874 struct sctp_authchunks *sac; 2875 sctp_auth_chklist_t *chklist = NULL; 2876 size_t size = 0; 2877 2878 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2879 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2880 2881 if (stcb) { 2882 /* get off the assoc */ 2883 chklist = stcb->asoc.local_auth_chunks; 2884 /* is there enough space? */ 2885 size = sctp_auth_get_chklist_size(chklist); 2886 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2887 error = EINVAL; 2888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2889 } else { 2890 /* copy in the chunks */ 2891 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2892 sac->gauth_number_of_chunks = (uint32_t) size; 2893 *optsize = sizeof(struct sctp_authchunks) + size; 2894 } 2895 SCTP_TCB_UNLOCK(stcb); 2896 } else { 2897 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2898 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2899 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2900 /* get off the endpoint */ 2901 SCTP_INP_RLOCK(inp); 2902 chklist = inp->sctp_ep.local_auth_chunks; 2903 /* is there enough space? */ 2904 size = sctp_auth_get_chklist_size(chklist); 2905 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2906 error = EINVAL; 2907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2908 } else { 2909 /* copy in the chunks */ 2910 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2911 sac->gauth_number_of_chunks = (uint32_t) size; 2912 *optsize = sizeof(struct sctp_authchunks) + size; 2913 } 2914 SCTP_INP_RUNLOCK(inp); 2915 } else { 2916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2917 error = EINVAL; 2918 } 2919 } 2920 break; 2921 } 2922 case SCTP_PEER_AUTH_CHUNKS: 2923 { 2924 struct sctp_authchunks *sac; 2925 sctp_auth_chklist_t *chklist = NULL; 2926 size_t size = 0; 2927 2928 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2929 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2930 2931 if (stcb) { 2932 /* get off the assoc */ 2933 chklist = stcb->asoc.peer_auth_chunks; 2934 /* is there enough space? */ 2935 size = sctp_auth_get_chklist_size(chklist); 2936 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2937 error = EINVAL; 2938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2939 } else { 2940 /* copy in the chunks */ 2941 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2942 sac->gauth_number_of_chunks = (uint32_t) size; 2943 *optsize = sizeof(struct sctp_authchunks) + size; 2944 } 2945 SCTP_TCB_UNLOCK(stcb); 2946 } else { 2947 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2948 error = ENOENT; 2949 } 2950 break; 2951 } 2952 case SCTP_EVENT: 2953 { 2954 struct sctp_event *event; 2955 uint32_t event_type; 2956 2957 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2958 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2959 2960 switch (event->se_type) { 2961 case SCTP_ASSOC_CHANGE: 2962 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2963 break; 2964 case SCTP_PEER_ADDR_CHANGE: 2965 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2966 break; 2967 case SCTP_REMOTE_ERROR: 2968 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2969 break; 2970 case SCTP_SEND_FAILED: 2971 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2972 break; 2973 case SCTP_SHUTDOWN_EVENT: 2974 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2975 break; 2976 case SCTP_ADAPTATION_INDICATION: 2977 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2978 break; 2979 case SCTP_PARTIAL_DELIVERY_EVENT: 2980 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2981 break; 2982 case SCTP_AUTHENTICATION_EVENT: 2983 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2984 break; 2985 case SCTP_STREAM_RESET_EVENT: 2986 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2987 break; 2988 case SCTP_SENDER_DRY_EVENT: 2989 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2990 break; 2991 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2992 event_type = 0; 2993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2994 error = ENOTSUP; 2995 break; 2996 case SCTP_ASSOC_RESET_EVENT: 2997 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2998 break; 2999 case SCTP_STREAM_CHANGE_EVENT: 3000 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3001 break; 3002 case SCTP_SEND_FAILED_EVENT: 3003 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3004 break; 3005 default: 3006 event_type = 0; 3007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3008 error = EINVAL; 3009 break; 3010 } 3011 if (event_type > 0) { 3012 if (stcb) { 3013 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3014 SCTP_TCB_UNLOCK(stcb); 3015 } else { 3016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3018 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3019 SCTP_INP_RLOCK(inp); 3020 event->se_on = sctp_is_feature_on(inp, event_type); 3021 SCTP_INP_RUNLOCK(inp); 3022 } else { 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3024 error = EINVAL; 3025 } 3026 } 3027 } 3028 if (error == 0) { 3029 *optsize = sizeof(struct sctp_event); 3030 } 3031 break; 3032 } 3033 case SCTP_RECVRCVINFO: 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_RECVRCVINFO); 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_RECVNXTINFO: 3053 { 3054 int onoff; 3055 3056 if (*optsize < sizeof(int)) { 3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3058 error = EINVAL; 3059 } else { 3060 SCTP_INP_RLOCK(inp); 3061 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3062 SCTP_INP_RUNLOCK(inp); 3063 } 3064 if (error == 0) { 3065 /* return the option value */ 3066 *(int *)optval = onoff; 3067 *optsize = sizeof(int); 3068 } 3069 break; 3070 } 3071 case SCTP_DEFAULT_SNDINFO: 3072 { 3073 struct sctp_sndinfo *info; 3074 3075 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3076 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3077 3078 if (stcb) { 3079 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3080 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3081 info->snd_flags &= 0xfff0; 3082 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3083 info->snd_context = stcb->asoc.def_send.sinfo_context; 3084 SCTP_TCB_UNLOCK(stcb); 3085 } else { 3086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3088 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3089 SCTP_INP_RLOCK(inp); 3090 info->snd_sid = inp->def_send.sinfo_stream; 3091 info->snd_flags = inp->def_send.sinfo_flags; 3092 info->snd_flags &= 0xfff0; 3093 info->snd_ppid = inp->def_send.sinfo_ppid; 3094 info->snd_context = inp->def_send.sinfo_context; 3095 SCTP_INP_RUNLOCK(inp); 3096 } else { 3097 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3098 error = EINVAL; 3099 } 3100 } 3101 if (error == 0) { 3102 *optsize = sizeof(struct sctp_sndinfo); 3103 } 3104 break; 3105 } 3106 case SCTP_DEFAULT_PRINFO: 3107 { 3108 struct sctp_default_prinfo *info; 3109 3110 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3111 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3112 3113 if (stcb) { 3114 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3115 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3116 SCTP_TCB_UNLOCK(stcb); 3117 } else { 3118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3119 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3120 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3121 SCTP_INP_RLOCK(inp); 3122 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3123 info->pr_value = inp->def_send.sinfo_timetolive; 3124 SCTP_INP_RUNLOCK(inp); 3125 } else { 3126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3127 error = EINVAL; 3128 } 3129 } 3130 if (error == 0) { 3131 *optsize = sizeof(struct sctp_default_prinfo); 3132 } 3133 break; 3134 } 3135 case SCTP_PEER_ADDR_THLDS: 3136 { 3137 struct sctp_paddrthlds *thlds; 3138 struct sctp_nets *net; 3139 3140 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3141 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3142 3143 net = NULL; 3144 if (stcb) { 3145 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3146 } else { 3147 /* 3148 * We increment here since 3149 * sctp_findassociation_ep_addr() wil do a 3150 * decrement if it finds the stcb as long as 3151 * the locked tcb (last argument) is NOT a 3152 * TCB.. aka NULL. 3153 */ 3154 SCTP_INP_INCR_REF(inp); 3155 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3156 if (stcb == NULL) { 3157 SCTP_INP_DECR_REF(inp); 3158 } 3159 } 3160 if (stcb && (net == NULL)) { 3161 struct sockaddr *sa; 3162 3163 sa = (struct sockaddr *)&thlds->spt_address; 3164 #ifdef INET 3165 if (sa->sa_family == AF_INET) { 3166 struct sockaddr_in *sin; 3167 3168 sin = (struct sockaddr_in *)sa; 3169 if (sin->sin_addr.s_addr) { 3170 error = EINVAL; 3171 SCTP_TCB_UNLOCK(stcb); 3172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3173 break; 3174 } 3175 } else 3176 #endif 3177 #ifdef INET6 3178 if (sa->sa_family == AF_INET6) { 3179 struct sockaddr_in6 *sin6; 3180 3181 sin6 = (struct sockaddr_in6 *)sa; 3182 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3183 error = EINVAL; 3184 SCTP_TCB_UNLOCK(stcb); 3185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3186 break; 3187 } 3188 } else 3189 #endif 3190 { 3191 error = EAFNOSUPPORT; 3192 SCTP_TCB_UNLOCK(stcb); 3193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3194 break; 3195 } 3196 } 3197 if (stcb) { 3198 if (net) { 3199 thlds->spt_pathmaxrxt = net->failure_threshold; 3200 thlds->spt_pathpfthld = net->pf_threshold; 3201 } else { 3202 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3203 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3204 } 3205 thlds->spt_assoc_id = sctp_get_associd(stcb); 3206 SCTP_TCB_UNLOCK(stcb); 3207 } else { 3208 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3209 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3210 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3211 /* Use endpoint defaults */ 3212 SCTP_INP_RLOCK(inp); 3213 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3214 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3215 SCTP_INP_RUNLOCK(inp); 3216 } else { 3217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3218 error = EINVAL; 3219 } 3220 } 3221 if (error == 0) { 3222 *optsize = sizeof(struct sctp_paddrthlds); 3223 } 3224 break; 3225 } 3226 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3227 { 3228 struct sctp_udpencaps *encaps; 3229 struct sctp_nets *net; 3230 3231 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3232 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3233 3234 if (stcb) { 3235 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3236 } else { 3237 /* 3238 * We increment here since 3239 * sctp_findassociation_ep_addr() wil do a 3240 * decrement if it finds the stcb as long as 3241 * the locked tcb (last argument) is NOT a 3242 * TCB.. aka NULL. 3243 */ 3244 net = NULL; 3245 SCTP_INP_INCR_REF(inp); 3246 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3247 if (stcb == NULL) { 3248 SCTP_INP_DECR_REF(inp); 3249 } 3250 } 3251 if (stcb && (net == NULL)) { 3252 struct sockaddr *sa; 3253 3254 sa = (struct sockaddr *)&encaps->sue_address; 3255 #ifdef INET 3256 if (sa->sa_family == AF_INET) { 3257 struct sockaddr_in *sin; 3258 3259 sin = (struct sockaddr_in *)sa; 3260 if (sin->sin_addr.s_addr) { 3261 error = EINVAL; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } else 3267 #endif 3268 #ifdef INET6 3269 if (sa->sa_family == AF_INET6) { 3270 struct sockaddr_in6 *sin6; 3271 3272 sin6 = (struct sockaddr_in6 *)sa; 3273 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3274 error = EINVAL; 3275 SCTP_TCB_UNLOCK(stcb); 3276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3277 break; 3278 } 3279 } else 3280 #endif 3281 { 3282 error = EAFNOSUPPORT; 3283 SCTP_TCB_UNLOCK(stcb); 3284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3285 break; 3286 } 3287 } 3288 if (stcb) { 3289 if (net) { 3290 encaps->sue_port = net->port; 3291 } else { 3292 encaps->sue_port = stcb->asoc.port; 3293 } 3294 SCTP_TCB_UNLOCK(stcb); 3295 } else { 3296 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3297 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3298 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3299 SCTP_INP_RLOCK(inp); 3300 encaps->sue_port = inp->sctp_ep.port; 3301 SCTP_INP_RUNLOCK(inp); 3302 } else { 3303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3304 error = EINVAL; 3305 } 3306 } 3307 if (error == 0) { 3308 *optsize = sizeof(struct sctp_udpencaps); 3309 } 3310 break; 3311 } 3312 case SCTP_ENABLE_STREAM_RESET: 3313 { 3314 struct sctp_assoc_value *av; 3315 3316 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3317 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3318 3319 if (stcb) { 3320 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3321 SCTP_TCB_UNLOCK(stcb); 3322 } else { 3323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3324 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3325 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3326 SCTP_INP_RLOCK(inp); 3327 av->assoc_value = (uint32_t) inp->local_strreset_support; 3328 SCTP_INP_RUNLOCK(inp); 3329 } else { 3330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3331 error = EINVAL; 3332 } 3333 } 3334 if (error == 0) { 3335 *optsize = sizeof(struct sctp_assoc_value); 3336 } 3337 break; 3338 } 3339 default: 3340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3341 error = ENOPROTOOPT; 3342 break; 3343 } /* end switch (sopt->sopt_name) */ 3344 if (error) { 3345 *optsize = 0; 3346 } 3347 return (error); 3348 } 3349 3350 static int 3351 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3352 void *p) 3353 { 3354 int error, set_opt; 3355 uint32_t *mopt; 3356 struct sctp_tcb *stcb = NULL; 3357 struct sctp_inpcb *inp = NULL; 3358 uint32_t vrf_id; 3359 3360 if (optval == NULL) { 3361 SCTP_PRINTF("optval is NULL\n"); 3362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3363 return (EINVAL); 3364 } 3365 inp = (struct sctp_inpcb *)so->so_pcb; 3366 if (inp == NULL) { 3367 SCTP_PRINTF("inp is NULL?\n"); 3368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3369 return (EINVAL); 3370 } 3371 vrf_id = inp->def_vrf_id; 3372 3373 error = 0; 3374 switch (optname) { 3375 case SCTP_NODELAY: 3376 case SCTP_AUTOCLOSE: 3377 case SCTP_AUTO_ASCONF: 3378 case SCTP_EXPLICIT_EOR: 3379 case SCTP_DISABLE_FRAGMENTS: 3380 case SCTP_USE_EXT_RCVINFO: 3381 case SCTP_I_WANT_MAPPED_V4_ADDR: 3382 /* copy in the option value */ 3383 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3384 set_opt = 0; 3385 if (error) 3386 break; 3387 switch (optname) { 3388 case SCTP_DISABLE_FRAGMENTS: 3389 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3390 break; 3391 case SCTP_AUTO_ASCONF: 3392 /* 3393 * NOTE: we don't really support this flag 3394 */ 3395 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3396 /* only valid for bound all sockets */ 3397 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3398 (*mopt != 0)) { 3399 /* forbidden by admin */ 3400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3401 return (EPERM); 3402 } 3403 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3404 } else { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 return (EINVAL); 3407 } 3408 break; 3409 case SCTP_EXPLICIT_EOR: 3410 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3411 break; 3412 case SCTP_USE_EXT_RCVINFO: 3413 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3414 break; 3415 case SCTP_I_WANT_MAPPED_V4_ADDR: 3416 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3417 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3418 } else { 3419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3420 return (EINVAL); 3421 } 3422 break; 3423 case SCTP_NODELAY: 3424 set_opt = SCTP_PCB_FLAGS_NODELAY; 3425 break; 3426 case SCTP_AUTOCLOSE: 3427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3428 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3430 return (EINVAL); 3431 } 3432 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3433 /* 3434 * The value is in ticks. Note this does not effect 3435 * old associations, only new ones. 3436 */ 3437 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3438 break; 3439 } 3440 SCTP_INP_WLOCK(inp); 3441 if (*mopt != 0) { 3442 sctp_feature_on(inp, set_opt); 3443 } else { 3444 sctp_feature_off(inp, set_opt); 3445 } 3446 SCTP_INP_WUNLOCK(inp); 3447 break; 3448 case SCTP_REUSE_PORT: 3449 { 3450 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3452 /* Can't set it after we are bound */ 3453 error = EINVAL; 3454 break; 3455 } 3456 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3457 /* Can't do this for a 1-m socket */ 3458 error = EINVAL; 3459 break; 3460 } 3461 if (optval) 3462 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3463 else 3464 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3465 break; 3466 } 3467 case SCTP_PARTIAL_DELIVERY_POINT: 3468 { 3469 uint32_t *value; 3470 3471 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3472 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3474 error = EINVAL; 3475 break; 3476 } 3477 inp->partial_delivery_point = *value; 3478 break; 3479 } 3480 case SCTP_FRAGMENT_INTERLEAVE: 3481 /* not yet until we re-write sctp_recvmsg() */ 3482 { 3483 uint32_t *level; 3484 3485 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3486 if (*level == SCTP_FRAG_LEVEL_2) { 3487 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3488 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3489 } else if (*level == SCTP_FRAG_LEVEL_1) { 3490 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3491 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3492 } else if (*level == SCTP_FRAG_LEVEL_0) { 3493 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3494 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3495 3496 } else { 3497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3498 error = EINVAL; 3499 } 3500 break; 3501 } 3502 case SCTP_CMT_ON_OFF: 3503 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3504 struct sctp_assoc_value *av; 3505 3506 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3507 if (av->assoc_value > SCTP_CMT_MAX) { 3508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3509 error = EINVAL; 3510 break; 3511 } 3512 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3513 if (stcb) { 3514 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3515 SCTP_TCB_UNLOCK(stcb); 3516 } else { 3517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3518 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3519 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3520 (av->assoc_id == SCTP_ALL_ASSOC)) { 3521 SCTP_INP_WLOCK(inp); 3522 inp->sctp_cmt_on_off = av->assoc_value; 3523 SCTP_INP_WUNLOCK(inp); 3524 } 3525 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3526 (av->assoc_id == SCTP_ALL_ASSOC)) { 3527 SCTP_INP_RLOCK(inp); 3528 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3529 SCTP_TCB_LOCK(stcb); 3530 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3531 SCTP_TCB_UNLOCK(stcb); 3532 } 3533 SCTP_INP_RUNLOCK(inp); 3534 } 3535 } 3536 } else { 3537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3538 error = ENOPROTOOPT; 3539 } 3540 break; 3541 case SCTP_PLUGGABLE_CC: 3542 { 3543 struct sctp_assoc_value *av; 3544 struct sctp_nets *net; 3545 3546 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3547 if ((av->assoc_value != SCTP_CC_RFC2581) && 3548 (av->assoc_value != SCTP_CC_HSTCP) && 3549 (av->assoc_value != SCTP_CC_HTCP) && 3550 (av->assoc_value != SCTP_CC_RTCC)) { 3551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3552 error = EINVAL; 3553 break; 3554 } 3555 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3556 if (stcb) { 3557 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3558 stcb->asoc.congestion_control_module = av->assoc_value; 3559 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3560 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3561 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3562 } 3563 } 3564 SCTP_TCB_UNLOCK(stcb); 3565 } else { 3566 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3567 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3568 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3569 (av->assoc_id == SCTP_ALL_ASSOC)) { 3570 SCTP_INP_WLOCK(inp); 3571 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3572 SCTP_INP_WUNLOCK(inp); 3573 } 3574 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3575 (av->assoc_id == SCTP_ALL_ASSOC)) { 3576 SCTP_INP_RLOCK(inp); 3577 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3578 SCTP_TCB_LOCK(stcb); 3579 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3580 stcb->asoc.congestion_control_module = av->assoc_value; 3581 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3582 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3583 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3584 } 3585 } 3586 SCTP_TCB_UNLOCK(stcb); 3587 } 3588 SCTP_INP_RUNLOCK(inp); 3589 } 3590 } 3591 break; 3592 } 3593 case SCTP_CC_OPTION: 3594 { 3595 struct sctp_cc_option *cc_opt; 3596 3597 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3598 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3599 if (stcb == NULL) { 3600 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3601 SCTP_INP_RLOCK(inp); 3602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3603 SCTP_TCB_LOCK(stcb); 3604 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3605 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3606 } 3607 SCTP_TCB_UNLOCK(stcb); 3608 } 3609 SCTP_INP_RUNLOCK(inp); 3610 } else { 3611 error = EINVAL; 3612 } 3613 } else { 3614 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3615 error = ENOTSUP; 3616 } else { 3617 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3618 cc_opt); 3619 } 3620 SCTP_TCB_UNLOCK(stcb); 3621 } 3622 break; 3623 } 3624 case SCTP_PLUGGABLE_SS: 3625 { 3626 struct sctp_assoc_value *av; 3627 3628 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3629 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3630 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3631 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3632 (av->assoc_value != SCTP_SS_PRIORITY) && 3633 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3634 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636 error = EINVAL; 3637 break; 3638 } 3639 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3640 if (stcb) { 3641 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3642 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3643 stcb->asoc.stream_scheduling_module = av->assoc_value; 3644 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3645 SCTP_TCB_UNLOCK(stcb); 3646 } else { 3647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3649 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3650 (av->assoc_id == SCTP_ALL_ASSOC)) { 3651 SCTP_INP_WLOCK(inp); 3652 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3653 SCTP_INP_WUNLOCK(inp); 3654 } 3655 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3656 (av->assoc_id == SCTP_ALL_ASSOC)) { 3657 SCTP_INP_RLOCK(inp); 3658 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3659 SCTP_TCB_LOCK(stcb); 3660 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3661 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3662 stcb->asoc.stream_scheduling_module = av->assoc_value; 3663 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3664 SCTP_TCB_UNLOCK(stcb); 3665 } 3666 SCTP_INP_RUNLOCK(inp); 3667 } 3668 } 3669 break; 3670 } 3671 case SCTP_SS_VALUE: 3672 { 3673 struct sctp_stream_value *av; 3674 3675 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3676 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3677 if (stcb) { 3678 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3679 av->stream_value) < 0) { 3680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3681 error = EINVAL; 3682 } 3683 SCTP_TCB_UNLOCK(stcb); 3684 } else { 3685 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3686 SCTP_INP_RLOCK(inp); 3687 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3688 SCTP_TCB_LOCK(stcb); 3689 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3690 &stcb->asoc, 3691 &stcb->asoc.strmout[av->stream_id], 3692 av->stream_value); 3693 SCTP_TCB_UNLOCK(stcb); 3694 } 3695 SCTP_INP_RUNLOCK(inp); 3696 3697 } else { 3698 /* 3699 * Can't set stream value without 3700 * association 3701 */ 3702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3703 error = EINVAL; 3704 } 3705 } 3706 break; 3707 } 3708 case SCTP_CLR_STAT_LOG: 3709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3710 error = EOPNOTSUPP; 3711 break; 3712 case SCTP_CONTEXT: 3713 { 3714 struct sctp_assoc_value *av; 3715 3716 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3717 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3718 3719 if (stcb) { 3720 stcb->asoc.context = av->assoc_value; 3721 SCTP_TCB_UNLOCK(stcb); 3722 } else { 3723 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3724 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3725 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3726 (av->assoc_id == SCTP_ALL_ASSOC)) { 3727 SCTP_INP_WLOCK(inp); 3728 inp->sctp_context = av->assoc_value; 3729 SCTP_INP_WUNLOCK(inp); 3730 } 3731 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3732 (av->assoc_id == SCTP_ALL_ASSOC)) { 3733 SCTP_INP_RLOCK(inp); 3734 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3735 SCTP_TCB_LOCK(stcb); 3736 stcb->asoc.context = av->assoc_value; 3737 SCTP_TCB_UNLOCK(stcb); 3738 } 3739 SCTP_INP_RUNLOCK(inp); 3740 } 3741 } 3742 break; 3743 } 3744 case SCTP_VRF_ID: 3745 { 3746 uint32_t *default_vrfid; 3747 3748 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3749 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3751 error = EINVAL; 3752 break; 3753 } 3754 inp->def_vrf_id = *default_vrfid; 3755 break; 3756 } 3757 case SCTP_DEL_VRF_ID: 3758 { 3759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3760 error = EOPNOTSUPP; 3761 break; 3762 } 3763 case SCTP_ADD_VRF_ID: 3764 { 3765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3766 error = EOPNOTSUPP; 3767 break; 3768 } 3769 case SCTP_DELAYED_SACK: 3770 { 3771 struct sctp_sack_info *sack; 3772 3773 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3774 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3775 if (sack->sack_delay) { 3776 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3777 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3778 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3779 sack->sack_delay = TICKS_TO_MSEC(1); 3780 } 3781 } 3782 if (stcb) { 3783 if (sack->sack_delay) { 3784 stcb->asoc.delayed_ack = sack->sack_delay; 3785 } 3786 if (sack->sack_freq) { 3787 stcb->asoc.sack_freq = sack->sack_freq; 3788 } 3789 SCTP_TCB_UNLOCK(stcb); 3790 } else { 3791 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3792 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3793 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3794 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3795 SCTP_INP_WLOCK(inp); 3796 if (sack->sack_delay) { 3797 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3798 } 3799 if (sack->sack_freq) { 3800 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3801 } 3802 SCTP_INP_WUNLOCK(inp); 3803 } 3804 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3805 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3806 SCTP_INP_RLOCK(inp); 3807 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3808 SCTP_TCB_LOCK(stcb); 3809 if (sack->sack_delay) { 3810 stcb->asoc.delayed_ack = sack->sack_delay; 3811 } 3812 if (sack->sack_freq) { 3813 stcb->asoc.sack_freq = sack->sack_freq; 3814 } 3815 SCTP_TCB_UNLOCK(stcb); 3816 } 3817 SCTP_INP_RUNLOCK(inp); 3818 } 3819 } 3820 break; 3821 } 3822 case SCTP_AUTH_CHUNK: 3823 { 3824 struct sctp_authchunk *sauth; 3825 3826 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3827 3828 SCTP_INP_WLOCK(inp); 3829 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3831 error = EINVAL; 3832 } 3833 SCTP_INP_WUNLOCK(inp); 3834 break; 3835 } 3836 case SCTP_AUTH_KEY: 3837 { 3838 struct sctp_authkey *sca; 3839 struct sctp_keyhead *shared_keys; 3840 sctp_sharedkey_t *shared_key; 3841 sctp_key_t *key = NULL; 3842 size_t size; 3843 3844 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3845 if (sca->sca_keylength == 0) { 3846 size = optsize - sizeof(struct sctp_authkey); 3847 } else { 3848 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3849 size = sca->sca_keylength; 3850 } else { 3851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3852 error = EINVAL; 3853 break; 3854 } 3855 } 3856 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3857 3858 if (stcb) { 3859 shared_keys = &stcb->asoc.shared_keys; 3860 /* clear the cached keys for this key id */ 3861 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3862 /* 3863 * create the new shared key and 3864 * insert/replace it 3865 */ 3866 if (size > 0) { 3867 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3868 if (key == NULL) { 3869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3870 error = ENOMEM; 3871 SCTP_TCB_UNLOCK(stcb); 3872 break; 3873 } 3874 } 3875 shared_key = sctp_alloc_sharedkey(); 3876 if (shared_key == NULL) { 3877 sctp_free_key(key); 3878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3879 error = ENOMEM; 3880 SCTP_TCB_UNLOCK(stcb); 3881 break; 3882 } 3883 shared_key->key = key; 3884 shared_key->keyid = sca->sca_keynumber; 3885 error = sctp_insert_sharedkey(shared_keys, shared_key); 3886 SCTP_TCB_UNLOCK(stcb); 3887 } else { 3888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3890 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3891 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3892 SCTP_INP_WLOCK(inp); 3893 shared_keys = &inp->sctp_ep.shared_keys; 3894 /* 3895 * clear the cached keys on all 3896 * assocs for this key id 3897 */ 3898 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3899 /* 3900 * create the new shared key and 3901 * insert/replace it 3902 */ 3903 if (size > 0) { 3904 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3905 if (key == NULL) { 3906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3907 error = ENOMEM; 3908 SCTP_INP_WUNLOCK(inp); 3909 break; 3910 } 3911 } 3912 shared_key = sctp_alloc_sharedkey(); 3913 if (shared_key == NULL) { 3914 sctp_free_key(key); 3915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3916 error = ENOMEM; 3917 SCTP_INP_WUNLOCK(inp); 3918 break; 3919 } 3920 shared_key->key = key; 3921 shared_key->keyid = sca->sca_keynumber; 3922 error = sctp_insert_sharedkey(shared_keys, shared_key); 3923 SCTP_INP_WUNLOCK(inp); 3924 } 3925 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3926 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3927 SCTP_INP_RLOCK(inp); 3928 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3929 SCTP_TCB_LOCK(stcb); 3930 shared_keys = &stcb->asoc.shared_keys; 3931 /* 3932 * clear the cached keys for 3933 * this key id 3934 */ 3935 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3936 /* 3937 * create the new shared key 3938 * and insert/replace it 3939 */ 3940 if (size > 0) { 3941 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3942 if (key == NULL) { 3943 SCTP_TCB_UNLOCK(stcb); 3944 continue; 3945 } 3946 } 3947 shared_key = sctp_alloc_sharedkey(); 3948 if (shared_key == NULL) { 3949 sctp_free_key(key); 3950 SCTP_TCB_UNLOCK(stcb); 3951 continue; 3952 } 3953 shared_key->key = key; 3954 shared_key->keyid = sca->sca_keynumber; 3955 error = sctp_insert_sharedkey(shared_keys, shared_key); 3956 SCTP_TCB_UNLOCK(stcb); 3957 } 3958 SCTP_INP_RUNLOCK(inp); 3959 } 3960 } 3961 break; 3962 } 3963 case SCTP_HMAC_IDENT: 3964 { 3965 struct sctp_hmacalgo *shmac; 3966 sctp_hmaclist_t *hmaclist; 3967 uint16_t hmacid; 3968 uint32_t i; 3969 3970 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3971 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3973 error = EINVAL; 3974 break; 3975 } 3976 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3977 if (hmaclist == NULL) { 3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3979 error = ENOMEM; 3980 break; 3981 } 3982 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3983 hmacid = shmac->shmac_idents[i]; 3984 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3985 /* invalid HMACs were found */ ; 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3987 error = EINVAL; 3988 sctp_free_hmaclist(hmaclist); 3989 goto sctp_set_hmac_done; 3990 } 3991 } 3992 for (i = 0; i < hmaclist->num_algo; i++) { 3993 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3994 /* already in list */ 3995 break; 3996 } 3997 } 3998 if (i == hmaclist->num_algo) { 3999 /* not found in list */ 4000 sctp_free_hmaclist(hmaclist); 4001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4002 error = EINVAL; 4003 break; 4004 } 4005 /* set it on the endpoint */ 4006 SCTP_INP_WLOCK(inp); 4007 if (inp->sctp_ep.local_hmacs) 4008 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4009 inp->sctp_ep.local_hmacs = hmaclist; 4010 SCTP_INP_WUNLOCK(inp); 4011 sctp_set_hmac_done: 4012 break; 4013 } 4014 case SCTP_AUTH_ACTIVE_KEY: 4015 { 4016 struct sctp_authkeyid *scact; 4017 4018 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4019 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4020 4021 /* set the active key on the right place */ 4022 if (stcb) { 4023 /* set the active key on the assoc */ 4024 if (sctp_auth_setactivekey(stcb, 4025 scact->scact_keynumber)) { 4026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4027 SCTP_FROM_SCTP_USRREQ, 4028 EINVAL); 4029 error = EINVAL; 4030 } 4031 SCTP_TCB_UNLOCK(stcb); 4032 } else { 4033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4035 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4036 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4037 SCTP_INP_WLOCK(inp); 4038 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4040 error = EINVAL; 4041 } 4042 SCTP_INP_WUNLOCK(inp); 4043 } 4044 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4045 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4046 SCTP_INP_RLOCK(inp); 4047 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4048 SCTP_TCB_LOCK(stcb); 4049 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4050 SCTP_TCB_UNLOCK(stcb); 4051 } 4052 SCTP_INP_RUNLOCK(inp); 4053 } 4054 } 4055 break; 4056 } 4057 case SCTP_AUTH_DELETE_KEY: 4058 { 4059 struct sctp_authkeyid *scdel; 4060 4061 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4062 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4063 4064 /* delete the key from the right place */ 4065 if (stcb) { 4066 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4068 error = EINVAL; 4069 } 4070 SCTP_TCB_UNLOCK(stcb); 4071 } else { 4072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4074 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4075 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4076 SCTP_INP_WLOCK(inp); 4077 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4079 error = EINVAL; 4080 } 4081 SCTP_INP_WUNLOCK(inp); 4082 } 4083 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4084 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4085 SCTP_INP_RLOCK(inp); 4086 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4087 SCTP_TCB_LOCK(stcb); 4088 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4089 SCTP_TCB_UNLOCK(stcb); 4090 } 4091 SCTP_INP_RUNLOCK(inp); 4092 } 4093 } 4094 break; 4095 } 4096 case SCTP_AUTH_DEACTIVATE_KEY: 4097 { 4098 struct sctp_authkeyid *keyid; 4099 4100 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4101 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4102 4103 /* deactivate the key from the right place */ 4104 if (stcb) { 4105 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4107 error = EINVAL; 4108 } 4109 SCTP_TCB_UNLOCK(stcb); 4110 } else { 4111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4112 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4113 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4114 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4115 SCTP_INP_WLOCK(inp); 4116 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4118 error = EINVAL; 4119 } 4120 SCTP_INP_WUNLOCK(inp); 4121 } 4122 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4123 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4124 SCTP_INP_RLOCK(inp); 4125 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4126 SCTP_TCB_LOCK(stcb); 4127 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4128 SCTP_TCB_UNLOCK(stcb); 4129 } 4130 SCTP_INP_RUNLOCK(inp); 4131 } 4132 } 4133 break; 4134 } 4135 case SCTP_ENABLE_STREAM_RESET: 4136 { 4137 struct sctp_assoc_value *av; 4138 4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4140 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4142 error = EINVAL; 4143 break; 4144 } 4145 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4146 if (stcb) { 4147 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4148 SCTP_TCB_UNLOCK(stcb); 4149 } else { 4150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4151 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4152 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4153 (av->assoc_id == SCTP_ALL_ASSOC)) { 4154 SCTP_INP_WLOCK(inp); 4155 inp->local_strreset_support = (uint8_t) av->assoc_value; 4156 SCTP_INP_WUNLOCK(inp); 4157 } 4158 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4159 (av->assoc_id == SCTP_ALL_ASSOC)) { 4160 SCTP_INP_RLOCK(inp); 4161 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4162 SCTP_TCB_LOCK(stcb); 4163 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4164 SCTP_TCB_UNLOCK(stcb); 4165 } 4166 SCTP_INP_RUNLOCK(inp); 4167 } 4168 } 4169 break; 4170 } 4171 case SCTP_RESET_STREAMS: 4172 { 4173 struct sctp_reset_streams *strrst; 4174 int i, send_out = 0; 4175 int send_in = 0; 4176 4177 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4178 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4179 if (stcb == NULL) { 4180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4181 error = ENOENT; 4182 break; 4183 } 4184 if (stcb->asoc.peer_supports_strreset == 0) { 4185 /* 4186 * Peer does not support the chunk type. 4187 */ 4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4189 error = EOPNOTSUPP; 4190 SCTP_TCB_UNLOCK(stcb); 4191 break; 4192 } 4193 if (stcb->asoc.stream_reset_outstanding) { 4194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4195 error = EALREADY; 4196 SCTP_TCB_UNLOCK(stcb); 4197 break; 4198 } 4199 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4200 send_in = 1; 4201 } 4202 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4203 send_out = 1; 4204 } 4205 if ((send_in == 0) && (send_out == 0)) { 4206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4207 error = EINVAL; 4208 SCTP_TCB_UNLOCK(stcb); 4209 break; 4210 } 4211 for (i = 0; i < strrst->srs_number_streams; i++) { 4212 if ((send_in) && 4213 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4215 error = EINVAL; 4216 break; 4217 } 4218 if ((send_out) && 4219 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4221 error = EINVAL; 4222 break; 4223 } 4224 } 4225 if (error) { 4226 SCTP_TCB_UNLOCK(stcb); 4227 break; 4228 } 4229 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4230 strrst->srs_stream_list, 4231 send_out, send_in, 0, 0, 0, 0, 0); 4232 4233 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4234 SCTP_TCB_UNLOCK(stcb); 4235 break; 4236 } 4237 case SCTP_ADD_STREAMS: 4238 { 4239 struct sctp_add_streams *stradd; 4240 uint8_t addstream = 0; 4241 uint16_t add_o_strmcnt = 0; 4242 uint16_t add_i_strmcnt = 0; 4243 4244 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4245 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4246 if (stcb == NULL) { 4247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4248 error = ENOENT; 4249 break; 4250 } 4251 if (stcb->asoc.peer_supports_strreset == 0) { 4252 /* 4253 * Peer does not support the chunk type. 4254 */ 4255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4256 error = EOPNOTSUPP; 4257 SCTP_TCB_UNLOCK(stcb); 4258 break; 4259 } 4260 if (stcb->asoc.stream_reset_outstanding) { 4261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4262 error = EALREADY; 4263 SCTP_TCB_UNLOCK(stcb); 4264 break; 4265 } 4266 if ((stradd->sas_outstrms == 0) && 4267 (stradd->sas_instrms == 0)) { 4268 error = EINVAL; 4269 goto skip_stuff; 4270 } 4271 if (stradd->sas_outstrms) { 4272 addstream = 1; 4273 /* We allocate here */ 4274 add_o_strmcnt = stradd->sas_outstrms; 4275 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4276 /* You can't have more than 64k */ 4277 error = EINVAL; 4278 goto skip_stuff; 4279 } 4280 } 4281 if (stradd->sas_instrms) { 4282 int cnt; 4283 4284 addstream |= 2; 4285 /* 4286 * We allocate inside 4287 * sctp_send_str_reset_req() 4288 */ 4289 add_i_strmcnt = stradd->sas_instrms; 4290 cnt = add_i_strmcnt; 4291 cnt += stcb->asoc.streamincnt; 4292 if (cnt > 0x0000ffff) { 4293 /* You can't have more than 64k */ 4294 error = EINVAL; 4295 goto skip_stuff; 4296 } 4297 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4298 /* More than you are allowed */ 4299 error = EINVAL; 4300 goto skip_stuff; 4301 } 4302 } 4303 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4304 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4305 skip_stuff: 4306 SCTP_TCB_UNLOCK(stcb); 4307 break; 4308 } 4309 case SCTP_RESET_ASSOC: 4310 { 4311 uint32_t *value; 4312 4313 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4314 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4315 if (stcb == NULL) { 4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4317 error = ENOENT; 4318 break; 4319 } 4320 if (stcb->asoc.peer_supports_strreset == 0) { 4321 /* 4322 * Peer does not support the chunk type. 4323 */ 4324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4325 error = EOPNOTSUPP; 4326 SCTP_TCB_UNLOCK(stcb); 4327 break; 4328 } 4329 if (stcb->asoc.stream_reset_outstanding) { 4330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4331 error = EALREADY; 4332 SCTP_TCB_UNLOCK(stcb); 4333 break; 4334 } 4335 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4336 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4337 SCTP_TCB_UNLOCK(stcb); 4338 break; 4339 } 4340 case SCTP_CONNECT_X: 4341 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4343 error = EINVAL; 4344 break; 4345 } 4346 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4347 break; 4348 case SCTP_CONNECT_X_DELAYED: 4349 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4351 error = EINVAL; 4352 break; 4353 } 4354 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4355 break; 4356 case SCTP_CONNECT_X_COMPLETE: 4357 { 4358 struct sockaddr *sa; 4359 struct sctp_nets *net; 4360 4361 /* FIXME MT: check correct? */ 4362 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4363 4364 /* find tcb */ 4365 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4366 SCTP_INP_RLOCK(inp); 4367 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4368 if (stcb) { 4369 SCTP_TCB_LOCK(stcb); 4370 net = sctp_findnet(stcb, sa); 4371 } 4372 SCTP_INP_RUNLOCK(inp); 4373 } else { 4374 /* 4375 * We increment here since 4376 * sctp_findassociation_ep_addr() wil do a 4377 * decrement if it finds the stcb as long as 4378 * the locked tcb (last argument) is NOT a 4379 * TCB.. aka NULL. 4380 */ 4381 SCTP_INP_INCR_REF(inp); 4382 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4383 if (stcb == NULL) { 4384 SCTP_INP_DECR_REF(inp); 4385 } 4386 } 4387 4388 if (stcb == NULL) { 4389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4390 error = ENOENT; 4391 break; 4392 } 4393 if (stcb->asoc.delayed_connection == 1) { 4394 stcb->asoc.delayed_connection = 0; 4395 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4396 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4397 stcb->asoc.primary_destination, 4398 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4399 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4400 } else { 4401 /* 4402 * already expired or did not use delayed 4403 * connectx 4404 */ 4405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4406 error = EALREADY; 4407 } 4408 SCTP_TCB_UNLOCK(stcb); 4409 break; 4410 } 4411 case SCTP_MAX_BURST: 4412 { 4413 struct sctp_assoc_value *av; 4414 4415 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4416 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4417 4418 if (stcb) { 4419 stcb->asoc.max_burst = av->assoc_value; 4420 SCTP_TCB_UNLOCK(stcb); 4421 } else { 4422 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4423 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4424 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4425 (av->assoc_id == SCTP_ALL_ASSOC)) { 4426 SCTP_INP_WLOCK(inp); 4427 inp->sctp_ep.max_burst = av->assoc_value; 4428 SCTP_INP_WUNLOCK(inp); 4429 } 4430 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4431 (av->assoc_id == SCTP_ALL_ASSOC)) { 4432 SCTP_INP_RLOCK(inp); 4433 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4434 SCTP_TCB_LOCK(stcb); 4435 stcb->asoc.max_burst = av->assoc_value; 4436 SCTP_TCB_UNLOCK(stcb); 4437 } 4438 SCTP_INP_RUNLOCK(inp); 4439 } 4440 } 4441 break; 4442 } 4443 case SCTP_MAXSEG: 4444 { 4445 struct sctp_assoc_value *av; 4446 int ovh; 4447 4448 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4449 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4450 4451 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4452 ovh = SCTP_MED_OVERHEAD; 4453 } else { 4454 ovh = SCTP_MED_V4_OVERHEAD; 4455 } 4456 if (stcb) { 4457 if (av->assoc_value) { 4458 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4459 } else { 4460 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4461 } 4462 SCTP_TCB_UNLOCK(stcb); 4463 } else { 4464 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4465 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4466 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4467 SCTP_INP_WLOCK(inp); 4468 /* 4469 * FIXME MT: I think this is not in 4470 * tune with the API ID 4471 */ 4472 if (av->assoc_value) { 4473 inp->sctp_frag_point = (av->assoc_value + ovh); 4474 } else { 4475 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4476 } 4477 SCTP_INP_WUNLOCK(inp); 4478 } else { 4479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4480 error = EINVAL; 4481 } 4482 } 4483 break; 4484 } 4485 case SCTP_EVENTS: 4486 { 4487 struct sctp_event_subscribe *events; 4488 4489 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4490 4491 SCTP_INP_WLOCK(inp); 4492 if (events->sctp_data_io_event) { 4493 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4494 } else { 4495 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4496 } 4497 4498 if (events->sctp_association_event) { 4499 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4500 } else { 4501 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4502 } 4503 4504 if (events->sctp_address_event) { 4505 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4506 } else { 4507 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4508 } 4509 4510 if (events->sctp_send_failure_event) { 4511 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4512 } else { 4513 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4514 } 4515 4516 if (events->sctp_peer_error_event) { 4517 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4518 } else { 4519 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4520 } 4521 4522 if (events->sctp_shutdown_event) { 4523 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4524 } else { 4525 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4526 } 4527 4528 if (events->sctp_partial_delivery_event) { 4529 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4530 } else { 4531 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4532 } 4533 4534 if (events->sctp_adaptation_layer_event) { 4535 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4536 } else { 4537 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4538 } 4539 4540 if (events->sctp_authentication_event) { 4541 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4542 } else { 4543 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4544 } 4545 4546 if (events->sctp_sender_dry_event) { 4547 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4548 } else { 4549 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4550 } 4551 4552 if (events->sctp_stream_reset_event) { 4553 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4554 } else { 4555 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4556 } 4557 SCTP_INP_WUNLOCK(inp); 4558 4559 SCTP_INP_RLOCK(inp); 4560 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4561 SCTP_TCB_LOCK(stcb); 4562 if (events->sctp_association_event) { 4563 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4564 } else { 4565 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4566 } 4567 if (events->sctp_address_event) { 4568 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4569 } else { 4570 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4571 } 4572 if (events->sctp_send_failure_event) { 4573 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4574 } else { 4575 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4576 } 4577 if (events->sctp_peer_error_event) { 4578 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4579 } else { 4580 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4581 } 4582 if (events->sctp_shutdown_event) { 4583 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4584 } else { 4585 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4586 } 4587 if (events->sctp_partial_delivery_event) { 4588 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4589 } else { 4590 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4591 } 4592 if (events->sctp_adaptation_layer_event) { 4593 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4594 } else { 4595 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4596 } 4597 if (events->sctp_authentication_event) { 4598 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4599 } else { 4600 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4601 } 4602 if (events->sctp_sender_dry_event) { 4603 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4604 } else { 4605 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4606 } 4607 if (events->sctp_stream_reset_event) { 4608 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4609 } else { 4610 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4611 } 4612 SCTP_TCB_UNLOCK(stcb); 4613 } 4614 /* 4615 * Send up the sender dry event only for 1-to-1 4616 * style sockets. 4617 */ 4618 if (events->sctp_sender_dry_event) { 4619 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4620 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4621 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4622 if (stcb) { 4623 SCTP_TCB_LOCK(stcb); 4624 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4625 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4626 (stcb->asoc.stream_queue_cnt == 0)) { 4627 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4628 } 4629 SCTP_TCB_UNLOCK(stcb); 4630 } 4631 } 4632 } 4633 SCTP_INP_RUNLOCK(inp); 4634 break; 4635 } 4636 case SCTP_ADAPTATION_LAYER: 4637 { 4638 struct sctp_setadaptation *adap_bits; 4639 4640 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4641 SCTP_INP_WLOCK(inp); 4642 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4643 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4644 SCTP_INP_WUNLOCK(inp); 4645 break; 4646 } 4647 #ifdef SCTP_DEBUG 4648 case SCTP_SET_INITIAL_DBG_SEQ: 4649 { 4650 uint32_t *vvv; 4651 4652 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4653 SCTP_INP_WLOCK(inp); 4654 inp->sctp_ep.initial_sequence_debug = *vvv; 4655 SCTP_INP_WUNLOCK(inp); 4656 break; 4657 } 4658 #endif 4659 case SCTP_DEFAULT_SEND_PARAM: 4660 { 4661 struct sctp_sndrcvinfo *s_info; 4662 4663 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4664 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4665 4666 if (stcb) { 4667 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4668 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4669 } else { 4670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4671 error = EINVAL; 4672 } 4673 SCTP_TCB_UNLOCK(stcb); 4674 } else { 4675 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4676 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4677 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4678 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4679 SCTP_INP_WLOCK(inp); 4680 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4681 SCTP_INP_WUNLOCK(inp); 4682 } 4683 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4684 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4685 SCTP_INP_RLOCK(inp); 4686 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4687 SCTP_TCB_LOCK(stcb); 4688 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4689 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4690 } 4691 SCTP_TCB_UNLOCK(stcb); 4692 } 4693 SCTP_INP_RUNLOCK(inp); 4694 } 4695 } 4696 break; 4697 } 4698 case SCTP_PEER_ADDR_PARAMS: 4699 { 4700 struct sctp_paddrparams *paddrp; 4701 struct sctp_nets *net; 4702 4703 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4704 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4705 net = NULL; 4706 if (stcb) { 4707 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4708 } else { 4709 /* 4710 * We increment here since 4711 * sctp_findassociation_ep_addr() wil do a 4712 * decrement if it finds the stcb as long as 4713 * the locked tcb (last argument) is NOT a 4714 * TCB.. aka NULL. 4715 */ 4716 SCTP_INP_INCR_REF(inp); 4717 stcb = sctp_findassociation_ep_addr(&inp, 4718 (struct sockaddr *)&paddrp->spp_address, 4719 &net, NULL, NULL); 4720 if (stcb == NULL) { 4721 SCTP_INP_DECR_REF(inp); 4722 } 4723 } 4724 if (stcb && (net == NULL)) { 4725 struct sockaddr *sa; 4726 4727 sa = (struct sockaddr *)&paddrp->spp_address; 4728 #ifdef INET 4729 if (sa->sa_family == AF_INET) { 4730 4731 struct sockaddr_in *sin; 4732 4733 sin = (struct sockaddr_in *)sa; 4734 if (sin->sin_addr.s_addr) { 4735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4736 SCTP_TCB_UNLOCK(stcb); 4737 error = EINVAL; 4738 break; 4739 } 4740 } else 4741 #endif 4742 #ifdef INET6 4743 if (sa->sa_family == AF_INET6) { 4744 struct sockaddr_in6 *sin6; 4745 4746 sin6 = (struct sockaddr_in6 *)sa; 4747 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4749 SCTP_TCB_UNLOCK(stcb); 4750 error = EINVAL; 4751 break; 4752 } 4753 } else 4754 #endif 4755 { 4756 error = EAFNOSUPPORT; 4757 SCTP_TCB_UNLOCK(stcb); 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4759 break; 4760 } 4761 } 4762 /* sanity checks */ 4763 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4764 if (stcb) 4765 SCTP_TCB_UNLOCK(stcb); 4766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4767 return (EINVAL); 4768 } 4769 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4770 if (stcb) 4771 SCTP_TCB_UNLOCK(stcb); 4772 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4773 return (EINVAL); 4774 } 4775 if (stcb) { 4776 /************************TCB SPECIFIC SET ******************/ 4777 /* 4778 * do we change the timer for HB, we run 4779 * only one? 4780 */ 4781 int ovh = 0; 4782 4783 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4784 ovh = SCTP_MED_OVERHEAD; 4785 } else { 4786 ovh = SCTP_MED_V4_OVERHEAD; 4787 } 4788 4789 /* network sets ? */ 4790 if (net) { 4791 /************************NET SPECIFIC SET ******************/ 4792 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4793 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4794 !(net->dest_state & SCTP_ADDR_NOHB)) { 4795 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4796 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4797 } 4798 net->dest_state |= SCTP_ADDR_NOHB; 4799 } 4800 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4801 if (paddrp->spp_hbinterval) { 4802 net->heart_beat_delay = paddrp->spp_hbinterval; 4803 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4804 net->heart_beat_delay = 0; 4805 } 4806 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4807 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4808 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4809 net->dest_state &= ~SCTP_ADDR_NOHB; 4810 } 4811 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4812 /* on demand HB */ 4813 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4814 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4815 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4816 } 4817 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4818 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4819 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4820 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4821 } 4822 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4823 net->mtu = paddrp->spp_pathmtu + ovh; 4824 if (net->mtu < stcb->asoc.smallest_mtu) { 4825 sctp_pathmtu_adjustment(stcb, net->mtu); 4826 } 4827 } 4828 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4829 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4830 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4831 } 4832 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4833 } 4834 if (paddrp->spp_pathmaxrxt) { 4835 if (net->dest_state & SCTP_ADDR_PF) { 4836 if (net->error_count > paddrp->spp_pathmaxrxt) { 4837 net->dest_state &= ~SCTP_ADDR_PF; 4838 } 4839 } else { 4840 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4841 (net->error_count > net->pf_threshold)) { 4842 net->dest_state |= SCTP_ADDR_PF; 4843 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4844 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4845 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4846 } 4847 } 4848 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4849 if (net->error_count > paddrp->spp_pathmaxrxt) { 4850 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4851 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4852 } 4853 } else { 4854 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4855 net->dest_state |= SCTP_ADDR_REACHABLE; 4856 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4857 } 4858 } 4859 net->failure_threshold = paddrp->spp_pathmaxrxt; 4860 } 4861 if (paddrp->spp_flags & SPP_DSCP) { 4862 net->dscp = paddrp->spp_dscp & 0xfc; 4863 net->dscp |= 0x01; 4864 } 4865 #ifdef INET6 4866 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4867 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4868 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4869 net->flowlabel |= 0x80000000; 4870 } 4871 } 4872 #endif 4873 } else { 4874 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4875 if (paddrp->spp_pathmaxrxt) { 4876 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4877 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4878 if (net->dest_state & SCTP_ADDR_PF) { 4879 if (net->error_count > paddrp->spp_pathmaxrxt) { 4880 net->dest_state &= ~SCTP_ADDR_PF; 4881 } 4882 } else { 4883 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4884 (net->error_count > net->pf_threshold)) { 4885 net->dest_state |= SCTP_ADDR_PF; 4886 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4887 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4888 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4889 } 4890 } 4891 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4892 if (net->error_count > paddrp->spp_pathmaxrxt) { 4893 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4894 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4895 } 4896 } else { 4897 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4898 net->dest_state |= SCTP_ADDR_REACHABLE; 4899 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4900 } 4901 } 4902 net->failure_threshold = paddrp->spp_pathmaxrxt; 4903 } 4904 } 4905 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4906 if (paddrp->spp_hbinterval) { 4907 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4908 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4909 stcb->asoc.heart_beat_delay = 0; 4910 } 4911 /* Turn back on the timer */ 4912 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4913 if (paddrp->spp_hbinterval) { 4914 net->heart_beat_delay = paddrp->spp_hbinterval; 4915 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4916 net->heart_beat_delay = 0; 4917 } 4918 if (net->dest_state & SCTP_ADDR_NOHB) { 4919 net->dest_state &= ~SCTP_ADDR_NOHB; 4920 } 4921 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4922 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4923 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4924 } 4925 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4926 } 4927 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4928 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4929 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4930 net->dest_state |= SCTP_ADDR_NOHB; 4931 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4932 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4933 } 4934 } 4935 } 4936 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4937 } 4938 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4939 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4940 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4941 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4942 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4943 } 4944 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4945 net->mtu = paddrp->spp_pathmtu + ovh; 4946 if (net->mtu < stcb->asoc.smallest_mtu) { 4947 sctp_pathmtu_adjustment(stcb, net->mtu); 4948 } 4949 } 4950 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4951 } 4952 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4953 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4954 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4955 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4956 } 4957 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4958 } 4959 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4960 } 4961 if (paddrp->spp_flags & SPP_DSCP) { 4962 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4963 net->dscp = paddrp->spp_dscp & 0xfc; 4964 net->dscp |= 0x01; 4965 } 4966 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4967 stcb->asoc.default_dscp |= 0x01; 4968 } 4969 #ifdef INET6 4970 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4971 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4972 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4973 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4974 net->flowlabel |= 0x80000000; 4975 } 4976 } 4977 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4978 stcb->asoc.default_flowlabel |= 0x80000000; 4979 } 4980 #endif 4981 } 4982 SCTP_TCB_UNLOCK(stcb); 4983 } else { 4984 /************************NO TCB, SET TO default stuff ******************/ 4985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4987 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4988 SCTP_INP_WLOCK(inp); 4989 /* 4990 * For the TOS/FLOWLABEL stuff you 4991 * set it with the options on the 4992 * socket 4993 */ 4994 if (paddrp->spp_pathmaxrxt) { 4995 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4996 } 4997 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4998 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4999 else if (paddrp->spp_hbinterval) { 5000 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5001 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5002 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5003 } 5004 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5005 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5006 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5007 } else if (paddrp->spp_hbinterval) { 5008 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5009 } 5010 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5011 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5012 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5013 } 5014 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5016 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5017 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5018 } 5019 if (paddrp->spp_flags & SPP_DSCP) { 5020 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5021 inp->sctp_ep.default_dscp |= 0x01; 5022 } 5023 #ifdef INET6 5024 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5025 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5026 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5027 inp->sctp_ep.default_flowlabel |= 0x80000000; 5028 } 5029 } 5030 #endif 5031 SCTP_INP_WUNLOCK(inp); 5032 } else { 5033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5034 error = EINVAL; 5035 } 5036 } 5037 break; 5038 } 5039 case SCTP_RTOINFO: 5040 { 5041 struct sctp_rtoinfo *srto; 5042 uint32_t new_init, new_min, new_max; 5043 5044 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5045 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5046 5047 if (stcb) { 5048 if (srto->srto_initial) 5049 new_init = srto->srto_initial; 5050 else 5051 new_init = stcb->asoc.initial_rto; 5052 if (srto->srto_max) 5053 new_max = srto->srto_max; 5054 else 5055 new_max = stcb->asoc.maxrto; 5056 if (srto->srto_min) 5057 new_min = srto->srto_min; 5058 else 5059 new_min = stcb->asoc.minrto; 5060 if ((new_min <= new_init) && (new_init <= new_max)) { 5061 stcb->asoc.initial_rto = new_init; 5062 stcb->asoc.maxrto = new_max; 5063 stcb->asoc.minrto = new_min; 5064 } else { 5065 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5066 error = EINVAL; 5067 } 5068 SCTP_TCB_UNLOCK(stcb); 5069 } else { 5070 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5071 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5072 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5073 SCTP_INP_WLOCK(inp); 5074 if (srto->srto_initial) 5075 new_init = srto->srto_initial; 5076 else 5077 new_init = inp->sctp_ep.initial_rto; 5078 if (srto->srto_max) 5079 new_max = srto->srto_max; 5080 else 5081 new_max = inp->sctp_ep.sctp_maxrto; 5082 if (srto->srto_min) 5083 new_min = srto->srto_min; 5084 else 5085 new_min = inp->sctp_ep.sctp_minrto; 5086 if ((new_min <= new_init) && (new_init <= new_max)) { 5087 inp->sctp_ep.initial_rto = new_init; 5088 inp->sctp_ep.sctp_maxrto = new_max; 5089 inp->sctp_ep.sctp_minrto = new_min; 5090 } else { 5091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5092 error = EINVAL; 5093 } 5094 SCTP_INP_WUNLOCK(inp); 5095 } else { 5096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5097 error = EINVAL; 5098 } 5099 } 5100 break; 5101 } 5102 case SCTP_ASSOCINFO: 5103 { 5104 struct sctp_assocparams *sasoc; 5105 5106 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5107 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5108 if (sasoc->sasoc_cookie_life) { 5109 /* boundary check the cookie life */ 5110 if (sasoc->sasoc_cookie_life < 1000) 5111 sasoc->sasoc_cookie_life = 1000; 5112 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5113 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5114 } 5115 } 5116 if (stcb) { 5117 if (sasoc->sasoc_asocmaxrxt) 5118 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5119 if (sasoc->sasoc_cookie_life) { 5120 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5121 } 5122 SCTP_TCB_UNLOCK(stcb); 5123 } else { 5124 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5125 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5126 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5127 SCTP_INP_WLOCK(inp); 5128 if (sasoc->sasoc_asocmaxrxt) 5129 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5130 if (sasoc->sasoc_cookie_life) { 5131 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5132 } 5133 SCTP_INP_WUNLOCK(inp); 5134 } else { 5135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5136 error = EINVAL; 5137 } 5138 } 5139 break; 5140 } 5141 case SCTP_INITMSG: 5142 { 5143 struct sctp_initmsg *sinit; 5144 5145 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5146 SCTP_INP_WLOCK(inp); 5147 if (sinit->sinit_num_ostreams) 5148 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5149 5150 if (sinit->sinit_max_instreams) 5151 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5152 5153 if (sinit->sinit_max_attempts) 5154 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5155 5156 if (sinit->sinit_max_init_timeo) 5157 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5158 SCTP_INP_WUNLOCK(inp); 5159 break; 5160 } 5161 case SCTP_PRIMARY_ADDR: 5162 { 5163 struct sctp_setprim *spa; 5164 struct sctp_nets *net; 5165 5166 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5167 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5168 5169 net = NULL; 5170 if (stcb) { 5171 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5172 } else { 5173 /* 5174 * We increment here since 5175 * sctp_findassociation_ep_addr() wil do a 5176 * decrement if it finds the stcb as long as 5177 * the locked tcb (last argument) is NOT a 5178 * TCB.. aka NULL. 5179 */ 5180 SCTP_INP_INCR_REF(inp); 5181 stcb = sctp_findassociation_ep_addr(&inp, 5182 (struct sockaddr *)&spa->ssp_addr, 5183 &net, NULL, NULL); 5184 if (stcb == NULL) { 5185 SCTP_INP_DECR_REF(inp); 5186 } 5187 } 5188 5189 if ((stcb) && (net)) { 5190 if ((net != stcb->asoc.primary_destination) && 5191 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5192 /* Ok we need to set it */ 5193 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5194 if ((stcb->asoc.alternate) && 5195 (!(net->dest_state & SCTP_ADDR_PF)) && 5196 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5197 sctp_free_remote_addr(stcb->asoc.alternate); 5198 stcb->asoc.alternate = NULL; 5199 } 5200 } 5201 } 5202 } else { 5203 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5204 error = EINVAL; 5205 } 5206 if (stcb) { 5207 SCTP_TCB_UNLOCK(stcb); 5208 } 5209 break; 5210 } 5211 case SCTP_SET_DYNAMIC_PRIMARY: 5212 { 5213 union sctp_sockstore *ss; 5214 5215 error = priv_check(curthread, 5216 PRIV_NETINET_RESERVEDPORT); 5217 if (error) 5218 break; 5219 5220 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5221 /* SUPER USER CHECK? */ 5222 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5223 break; 5224 } 5225 case SCTP_SET_PEER_PRIMARY_ADDR: 5226 { 5227 struct sctp_setpeerprim *sspp; 5228 5229 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5230 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5231 if (stcb != NULL) { 5232 struct sctp_ifa *ifa; 5233 5234 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5235 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5236 if (ifa == NULL) { 5237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5238 error = EINVAL; 5239 goto out_of_it; 5240 } 5241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5242 /* 5243 * Must validate the ifa found is in 5244 * our ep 5245 */ 5246 struct sctp_laddr *laddr; 5247 int found = 0; 5248 5249 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5250 if (laddr->ifa == NULL) { 5251 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5252 __FUNCTION__); 5253 continue; 5254 } 5255 if (laddr->ifa == ifa) { 5256 found = 1; 5257 break; 5258 } 5259 } 5260 if (!found) { 5261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5262 error = EINVAL; 5263 goto out_of_it; 5264 } 5265 } 5266 if (sctp_set_primary_ip_address_sa(stcb, 5267 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5269 error = EINVAL; 5270 } 5271 out_of_it: 5272 SCTP_TCB_UNLOCK(stcb); 5273 } else { 5274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5275 error = EINVAL; 5276 } 5277 break; 5278 } 5279 case SCTP_BINDX_ADD_ADDR: 5280 { 5281 struct sctp_getaddresses *addrs; 5282 struct thread *td; 5283 5284 td = (struct thread *)p; 5285 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5286 optsize); 5287 #ifdef INET 5288 if (addrs->addr->sa_family == AF_INET) { 5289 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5291 error = EINVAL; 5292 break; 5293 } 5294 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5295 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5296 break; 5297 } 5298 } else 5299 #endif 5300 #ifdef INET6 5301 if (addrs->addr->sa_family == AF_INET6) { 5302 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5304 error = EINVAL; 5305 break; 5306 } 5307 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5308 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5309 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5310 break; 5311 } 5312 } else 5313 #endif 5314 { 5315 error = EAFNOSUPPORT; 5316 break; 5317 } 5318 sctp_bindx_add_address(so, inp, addrs->addr, 5319 addrs->sget_assoc_id, vrf_id, 5320 &error, p); 5321 break; 5322 } 5323 case SCTP_BINDX_REM_ADDR: 5324 { 5325 struct sctp_getaddresses *addrs; 5326 struct thread *td; 5327 5328 td = (struct thread *)p; 5329 5330 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5331 #ifdef INET 5332 if (addrs->addr->sa_family == AF_INET) { 5333 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5335 error = EINVAL; 5336 break; 5337 } 5338 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5339 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5340 break; 5341 } 5342 } else 5343 #endif 5344 #ifdef INET6 5345 if (addrs->addr->sa_family == AF_INET6) { 5346 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5348 error = EINVAL; 5349 break; 5350 } 5351 if (td != NULL && 5352 (error = prison_local_ip6(td->td_ucred, 5353 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5354 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5355 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5356 break; 5357 } 5358 } else 5359 #endif 5360 { 5361 error = EAFNOSUPPORT; 5362 break; 5363 } 5364 sctp_bindx_delete_address(inp, addrs->addr, 5365 addrs->sget_assoc_id, vrf_id, 5366 &error); 5367 break; 5368 } 5369 case SCTP_EVENT: 5370 { 5371 struct sctp_event *event; 5372 uint32_t event_type; 5373 5374 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5375 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5376 switch (event->se_type) { 5377 case SCTP_ASSOC_CHANGE: 5378 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5379 break; 5380 case SCTP_PEER_ADDR_CHANGE: 5381 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5382 break; 5383 case SCTP_REMOTE_ERROR: 5384 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5385 break; 5386 case SCTP_SEND_FAILED: 5387 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5388 break; 5389 case SCTP_SHUTDOWN_EVENT: 5390 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5391 break; 5392 case SCTP_ADAPTATION_INDICATION: 5393 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5394 break; 5395 case SCTP_PARTIAL_DELIVERY_EVENT: 5396 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5397 break; 5398 case SCTP_AUTHENTICATION_EVENT: 5399 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5400 break; 5401 case SCTP_STREAM_RESET_EVENT: 5402 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5403 break; 5404 case SCTP_SENDER_DRY_EVENT: 5405 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5406 break; 5407 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5408 event_type = 0; 5409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5410 error = ENOTSUP; 5411 break; 5412 case SCTP_ASSOC_RESET_EVENT: 5413 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5414 break; 5415 case SCTP_STREAM_CHANGE_EVENT: 5416 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5417 break; 5418 case SCTP_SEND_FAILED_EVENT: 5419 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5420 break; 5421 default: 5422 event_type = 0; 5423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5424 error = EINVAL; 5425 break; 5426 } 5427 if (event_type > 0) { 5428 if (stcb) { 5429 if (event->se_on) { 5430 sctp_stcb_feature_on(inp, stcb, event_type); 5431 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5432 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5433 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5434 (stcb->asoc.stream_queue_cnt == 0)) { 5435 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5436 } 5437 } 5438 } else { 5439 sctp_stcb_feature_off(inp, stcb, event_type); 5440 } 5441 SCTP_TCB_UNLOCK(stcb); 5442 } else { 5443 /* 5444 * We don't want to send up a storm 5445 * of events, so return an error for 5446 * sender dry events 5447 */ 5448 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5449 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5450 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5451 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5452 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5453 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5454 error = ENOTSUP; 5455 break; 5456 } 5457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5459 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5460 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5461 SCTP_INP_WLOCK(inp); 5462 if (event->se_on) { 5463 sctp_feature_on(inp, event_type); 5464 } else { 5465 sctp_feature_off(inp, event_type); 5466 } 5467 SCTP_INP_WUNLOCK(inp); 5468 } 5469 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5470 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5471 SCTP_INP_RLOCK(inp); 5472 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5473 SCTP_TCB_LOCK(stcb); 5474 if (event->se_on) { 5475 sctp_stcb_feature_on(inp, stcb, event_type); 5476 } else { 5477 sctp_stcb_feature_off(inp, stcb, event_type); 5478 } 5479 SCTP_TCB_UNLOCK(stcb); 5480 } 5481 SCTP_INP_RUNLOCK(inp); 5482 } 5483 } 5484 } 5485 break; 5486 } 5487 case SCTP_RECVRCVINFO: 5488 { 5489 int *onoff; 5490 5491 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5492 SCTP_INP_WLOCK(inp); 5493 if (*onoff != 0) { 5494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5495 } else { 5496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5497 } 5498 SCTP_INP_WUNLOCK(inp); 5499 break; 5500 } 5501 case SCTP_RECVNXTINFO: 5502 { 5503 int *onoff; 5504 5505 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5506 SCTP_INP_WLOCK(inp); 5507 if (*onoff != 0) { 5508 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5509 } else { 5510 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5511 } 5512 SCTP_INP_WUNLOCK(inp); 5513 break; 5514 } 5515 case SCTP_DEFAULT_SNDINFO: 5516 { 5517 struct sctp_sndinfo *info; 5518 uint16_t policy; 5519 5520 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5521 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5522 5523 if (stcb) { 5524 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5525 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5526 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5527 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5528 stcb->asoc.def_send.sinfo_flags |= policy; 5529 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5530 stcb->asoc.def_send.sinfo_context = info->snd_context; 5531 } else { 5532 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5533 error = EINVAL; 5534 } 5535 SCTP_TCB_UNLOCK(stcb); 5536 } else { 5537 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5538 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5539 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5540 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5541 SCTP_INP_WLOCK(inp); 5542 inp->def_send.sinfo_stream = info->snd_sid; 5543 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5544 inp->def_send.sinfo_flags = info->snd_flags; 5545 inp->def_send.sinfo_flags |= policy; 5546 inp->def_send.sinfo_ppid = info->snd_ppid; 5547 inp->def_send.sinfo_context = info->snd_context; 5548 SCTP_INP_WUNLOCK(inp); 5549 } 5550 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5551 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5552 SCTP_INP_RLOCK(inp); 5553 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5554 SCTP_TCB_LOCK(stcb); 5555 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5556 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5557 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5558 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5559 stcb->asoc.def_send.sinfo_flags |= policy; 5560 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5561 stcb->asoc.def_send.sinfo_context = info->snd_context; 5562 } 5563 SCTP_TCB_UNLOCK(stcb); 5564 } 5565 SCTP_INP_RUNLOCK(inp); 5566 } 5567 } 5568 break; 5569 } 5570 case SCTP_DEFAULT_PRINFO: 5571 { 5572 struct sctp_default_prinfo *info; 5573 5574 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5575 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5576 5577 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5579 error = EINVAL; 5580 break; 5581 } 5582 if (stcb) { 5583 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5584 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5585 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5586 SCTP_TCB_UNLOCK(stcb); 5587 } else { 5588 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5589 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5590 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5591 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5592 SCTP_INP_WLOCK(inp); 5593 inp->def_send.sinfo_flags &= 0xfff0; 5594 inp->def_send.sinfo_flags |= info->pr_policy; 5595 inp->def_send.sinfo_timetolive = info->pr_value; 5596 SCTP_INP_WUNLOCK(inp); 5597 } 5598 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5599 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5600 SCTP_INP_RLOCK(inp); 5601 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5602 SCTP_TCB_LOCK(stcb); 5603 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5604 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5605 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5606 SCTP_TCB_UNLOCK(stcb); 5607 } 5608 SCTP_INP_RUNLOCK(inp); 5609 } 5610 } 5611 break; 5612 } 5613 case SCTP_PEER_ADDR_THLDS: 5614 /* Applies to the specific association */ 5615 { 5616 struct sctp_paddrthlds *thlds; 5617 struct sctp_nets *net; 5618 5619 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5620 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5621 net = NULL; 5622 if (stcb) { 5623 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5624 } else { 5625 /* 5626 * We increment here since 5627 * sctp_findassociation_ep_addr() wil do a 5628 * decrement if it finds the stcb as long as 5629 * the locked tcb (last argument) is NOT a 5630 * TCB.. aka NULL. 5631 */ 5632 SCTP_INP_INCR_REF(inp); 5633 stcb = sctp_findassociation_ep_addr(&inp, 5634 (struct sockaddr *)&thlds->spt_assoc_id, 5635 &net, NULL, NULL); 5636 if (stcb == NULL) { 5637 SCTP_INP_DECR_REF(inp); 5638 } 5639 } 5640 if (stcb && (net == NULL)) { 5641 struct sockaddr *sa; 5642 5643 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5644 #ifdef INET 5645 if (sa->sa_family == AF_INET) { 5646 5647 struct sockaddr_in *sin; 5648 5649 sin = (struct sockaddr_in *)sa; 5650 if (sin->sin_addr.s_addr) { 5651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5652 SCTP_TCB_UNLOCK(stcb); 5653 error = EINVAL; 5654 break; 5655 } 5656 } else 5657 #endif 5658 #ifdef INET6 5659 if (sa->sa_family == AF_INET6) { 5660 struct sockaddr_in6 *sin6; 5661 5662 sin6 = (struct sockaddr_in6 *)sa; 5663 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5665 SCTP_TCB_UNLOCK(stcb); 5666 error = EINVAL; 5667 break; 5668 } 5669 } else 5670 #endif 5671 { 5672 error = EAFNOSUPPORT; 5673 SCTP_TCB_UNLOCK(stcb); 5674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5675 break; 5676 } 5677 } 5678 if (stcb) { 5679 if (net) { 5680 if (net->dest_state & SCTP_ADDR_PF) { 5681 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5682 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5683 net->dest_state &= ~SCTP_ADDR_PF; 5684 } 5685 } else { 5686 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5687 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5688 net->dest_state |= SCTP_ADDR_PF; 5689 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5690 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5691 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5692 } 5693 } 5694 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5695 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5696 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5697 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5698 } 5699 } else { 5700 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5701 net->dest_state |= SCTP_ADDR_REACHABLE; 5702 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5703 } 5704 } 5705 net->failure_threshold = thlds->spt_pathmaxrxt; 5706 net->pf_threshold = thlds->spt_pathpfthld; 5707 } else { 5708 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5709 if (net->dest_state & SCTP_ADDR_PF) { 5710 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5711 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5712 net->dest_state &= ~SCTP_ADDR_PF; 5713 } 5714 } else { 5715 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5716 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5717 net->dest_state |= SCTP_ADDR_PF; 5718 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5719 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5720 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5721 } 5722 } 5723 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5724 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5725 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5726 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5727 } 5728 } else { 5729 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5730 net->dest_state |= SCTP_ADDR_REACHABLE; 5731 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5732 } 5733 } 5734 net->failure_threshold = thlds->spt_pathmaxrxt; 5735 net->pf_threshold = thlds->spt_pathpfthld; 5736 } 5737 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5738 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5739 } 5740 } else { 5741 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5742 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5743 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5744 SCTP_INP_WLOCK(inp); 5745 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5746 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5747 SCTP_INP_WUNLOCK(inp); 5748 } else { 5749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5750 error = EINVAL; 5751 } 5752 } 5753 break; 5754 } 5755 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5756 { 5757 struct sctp_udpencaps *encaps; 5758 struct sctp_nets *net; 5759 5760 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5761 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5762 if (stcb) { 5763 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5764 } else { 5765 /* 5766 * We increment here since 5767 * sctp_findassociation_ep_addr() wil do a 5768 * decrement if it finds the stcb as long as 5769 * the locked tcb (last argument) is NOT a 5770 * TCB.. aka NULL. 5771 */ 5772 net = NULL; 5773 SCTP_INP_INCR_REF(inp); 5774 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5775 if (stcb == NULL) { 5776 SCTP_INP_DECR_REF(inp); 5777 } 5778 } 5779 if (stcb && (net == NULL)) { 5780 struct sockaddr *sa; 5781 5782 sa = (struct sockaddr *)&encaps->sue_address; 5783 #ifdef INET 5784 if (sa->sa_family == AF_INET) { 5785 5786 struct sockaddr_in *sin; 5787 5788 sin = (struct sockaddr_in *)sa; 5789 if (sin->sin_addr.s_addr) { 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5791 SCTP_TCB_UNLOCK(stcb); 5792 error = EINVAL; 5793 break; 5794 } 5795 } else 5796 #endif 5797 #ifdef INET6 5798 if (sa->sa_family == AF_INET6) { 5799 struct sockaddr_in6 *sin6; 5800 5801 sin6 = (struct sockaddr_in6 *)sa; 5802 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5804 SCTP_TCB_UNLOCK(stcb); 5805 error = EINVAL; 5806 break; 5807 } 5808 } else 5809 #endif 5810 { 5811 error = EAFNOSUPPORT; 5812 SCTP_TCB_UNLOCK(stcb); 5813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5814 break; 5815 } 5816 } 5817 if (stcb) { 5818 if (net) { 5819 net->port = encaps->sue_port; 5820 } else { 5821 stcb->asoc.port = encaps->sue_port; 5822 } 5823 SCTP_TCB_UNLOCK(stcb); 5824 } else { 5825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5827 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5828 SCTP_INP_WLOCK(inp); 5829 inp->sctp_ep.port = encaps->sue_port; 5830 SCTP_INP_WUNLOCK(inp); 5831 } else { 5832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5833 error = EINVAL; 5834 } 5835 } 5836 break; 5837 } 5838 default: 5839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5840 error = ENOPROTOOPT; 5841 break; 5842 } /* end switch (opt) */ 5843 return (error); 5844 } 5845 5846 int 5847 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5848 { 5849 void *optval = NULL; 5850 size_t optsize = 0; 5851 void *p; 5852 int error = 0; 5853 5854 if (sopt->sopt_level != IPPROTO_SCTP) { 5855 /* wrong proto level... send back up to IP */ 5856 #ifdef INET6 5857 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5858 error = ip6_ctloutput(so, sopt); 5859 #endif /* INET6 */ 5860 #if defined(INET) && defined(INET6) 5861 else 5862 #endif 5863 #ifdef INET 5864 error = ip_ctloutput(so, sopt); 5865 #endif 5866 return (error); 5867 } 5868 optsize = sopt->sopt_valsize; 5869 if (optsize) { 5870 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5871 if (optval == NULL) { 5872 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5873 return (ENOBUFS); 5874 } 5875 error = sooptcopyin(sopt, optval, optsize, optsize); 5876 if (error) { 5877 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5878 goto out; 5879 } 5880 } 5881 p = (void *)sopt->sopt_td; 5882 if (sopt->sopt_dir == SOPT_SET) { 5883 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5884 } else if (sopt->sopt_dir == SOPT_GET) { 5885 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5886 } else { 5887 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5888 error = EINVAL; 5889 } 5890 if ((error == 0) && (optval != NULL)) { 5891 error = sooptcopyout(sopt, optval, optsize); 5892 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5893 } else if (optval != NULL) { 5894 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5895 } 5896 out: 5897 return (error); 5898 } 5899 5900 #ifdef INET 5901 static int 5902 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5903 { 5904 int error = 0; 5905 int create_lock_on = 0; 5906 uint32_t vrf_id; 5907 struct sctp_inpcb *inp; 5908 struct sctp_tcb *stcb = NULL; 5909 5910 inp = (struct sctp_inpcb *)so->so_pcb; 5911 if (inp == NULL) { 5912 /* I made the same as TCP since we are not setup? */ 5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5914 return (ECONNRESET); 5915 } 5916 if (addr == NULL) { 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5918 return EINVAL; 5919 } 5920 switch (addr->sa_family) { 5921 #ifdef INET6 5922 case AF_INET6: 5923 { 5924 struct sockaddr_in6 *sin6p; 5925 5926 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 return (EINVAL); 5929 } 5930 sin6p = (struct sockaddr_in6 *)addr; 5931 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5933 return (error); 5934 } 5935 break; 5936 } 5937 #endif 5938 #ifdef INET 5939 case AF_INET: 5940 { 5941 struct sockaddr_in *sinp; 5942 5943 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5945 return (EINVAL); 5946 } 5947 sinp = (struct sockaddr_in *)addr; 5948 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5950 return (error); 5951 } 5952 break; 5953 } 5954 #endif 5955 default: 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5957 return (EAFNOSUPPORT); 5958 } 5959 SCTP_INP_INCR_REF(inp); 5960 SCTP_ASOC_CREATE_LOCK(inp); 5961 create_lock_on = 1; 5962 5963 5964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5965 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5966 /* Should I really unlock ? */ 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5968 error = EFAULT; 5969 goto out_now; 5970 } 5971 #ifdef INET6 5972 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5973 (addr->sa_family == AF_INET6)) { 5974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5975 error = EINVAL; 5976 goto out_now; 5977 } 5978 #endif 5979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5980 SCTP_PCB_FLAGS_UNBOUND) { 5981 /* Bind a ephemeral port */ 5982 error = sctp_inpcb_bind(so, NULL, NULL, p); 5983 if (error) { 5984 goto out_now; 5985 } 5986 } 5987 /* Now do we connect? */ 5988 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5989 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5991 error = EINVAL; 5992 goto out_now; 5993 } 5994 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5995 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5996 /* We are already connected AND the TCP model */ 5997 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5998 error = EADDRINUSE; 5999 goto out_now; 6000 } 6001 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6002 SCTP_INP_RLOCK(inp); 6003 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6004 SCTP_INP_RUNLOCK(inp); 6005 } else { 6006 /* 6007 * We increment here since sctp_findassociation_ep_addr() 6008 * will do a decrement if it finds the stcb as long as the 6009 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6010 */ 6011 SCTP_INP_INCR_REF(inp); 6012 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6013 if (stcb == NULL) { 6014 SCTP_INP_DECR_REF(inp); 6015 } else { 6016 SCTP_TCB_UNLOCK(stcb); 6017 } 6018 } 6019 if (stcb != NULL) { 6020 /* Already have or am bring up an association */ 6021 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6022 error = EALREADY; 6023 goto out_now; 6024 } 6025 vrf_id = inp->def_vrf_id; 6026 /* We are GOOD to go */ 6027 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6028 if (stcb == NULL) { 6029 /* Gak! no memory */ 6030 goto out_now; 6031 } 6032 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6033 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6034 /* Set the connected flag so we can queue data */ 6035 soisconnecting(so); 6036 } 6037 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6038 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6039 6040 /* initialize authentication parameters for the assoc */ 6041 sctp_initialize_auth_params(inp, stcb); 6042 6043 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6044 SCTP_TCB_UNLOCK(stcb); 6045 out_now: 6046 if (create_lock_on) { 6047 SCTP_ASOC_CREATE_UNLOCK(inp); 6048 } 6049 SCTP_INP_DECR_REF(inp); 6050 return (error); 6051 } 6052 6053 #endif 6054 6055 int 6056 sctp_listen(struct socket *so, int backlog, struct thread *p) 6057 { 6058 /* 6059 * Note this module depends on the protocol processing being called 6060 * AFTER any socket level flags and backlog are applied to the 6061 * socket. The traditional way that the socket flags are applied is 6062 * AFTER protocol processing. We have made a change to the 6063 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6064 * place if the socket API for SCTP is to work properly. 6065 */ 6066 6067 int error = 0; 6068 struct sctp_inpcb *inp; 6069 6070 inp = (struct sctp_inpcb *)so->so_pcb; 6071 if (inp == NULL) { 6072 /* I made the same as TCP since we are not setup? */ 6073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6074 return (ECONNRESET); 6075 } 6076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6077 /* See if we have a listener */ 6078 struct sctp_inpcb *tinp; 6079 union sctp_sockstore store, *sp; 6080 6081 sp = &store; 6082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6083 /* not bound all */ 6084 struct sctp_laddr *laddr; 6085 6086 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6087 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6088 switch (sp->sa.sa_family) { 6089 #ifdef INET 6090 case AF_INET: 6091 sp->sin.sin_port = inp->sctp_lport; 6092 break; 6093 #endif 6094 #ifdef INET6 6095 case AF_INET6: 6096 sp->sin6.sin6_port = inp->sctp_lport; 6097 break; 6098 #endif 6099 default: 6100 break; 6101 } 6102 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6103 if (tinp && (tinp != inp) && 6104 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6105 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6106 (tinp->sctp_socket->so_qlimit)) { 6107 /* 6108 * we have a listener already and 6109 * its not this inp. 6110 */ 6111 SCTP_INP_DECR_REF(tinp); 6112 return (EADDRINUSE); 6113 } else if (tinp) { 6114 SCTP_INP_DECR_REF(tinp); 6115 } 6116 } 6117 } else { 6118 /* Setup a local addr bound all */ 6119 memset(&store, 0, sizeof(store)); 6120 switch (sp->sa.sa_family) { 6121 #ifdef INET 6122 case AF_INET: 6123 store.sin.sin_port = inp->sctp_lport; 6124 break; 6125 #endif 6126 #ifdef INET6 6127 case AF_INET6: 6128 sp->sin6.sin6_port = inp->sctp_lport; 6129 break; 6130 #endif 6131 default: 6132 break; 6133 } 6134 #ifdef INET6 6135 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6136 store.sa.sa_family = AF_INET6; 6137 store.sa.sa_len = sizeof(struct sockaddr_in6); 6138 } 6139 #endif 6140 #ifdef INET 6141 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6142 store.sa.sa_family = AF_INET; 6143 store.sa.sa_len = sizeof(struct sockaddr_in); 6144 } 6145 #endif 6146 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6147 if (tinp && (tinp != inp) && 6148 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6149 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6150 (tinp->sctp_socket->so_qlimit)) { 6151 /* 6152 * we have a listener already and its not 6153 * this inp. 6154 */ 6155 SCTP_INP_DECR_REF(tinp); 6156 return (EADDRINUSE); 6157 } else if (tinp) { 6158 SCTP_INP_DECR_REF(inp); 6159 } 6160 } 6161 } 6162 SCTP_INP_RLOCK(inp); 6163 #ifdef SCTP_LOCK_LOGGING 6164 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6165 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6166 } 6167 #endif 6168 SOCK_LOCK(so); 6169 error = solisten_proto_check(so); 6170 if (error) { 6171 SOCK_UNLOCK(so); 6172 SCTP_INP_RUNLOCK(inp); 6173 return (error); 6174 } 6175 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6176 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6177 /* 6178 * The unlucky case - We are in the tcp pool with this guy. 6179 * - Someone else is in the main inp slot. - We must move 6180 * this guy (the listener) to the main slot - We must then 6181 * move the guy that was listener to the TCP Pool. 6182 */ 6183 if (sctp_swap_inpcb_for_listen(inp)) { 6184 goto in_use; 6185 } 6186 } 6187 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6188 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6189 /* We are already connected AND the TCP model */ 6190 in_use: 6191 SCTP_INP_RUNLOCK(inp); 6192 SOCK_UNLOCK(so); 6193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6194 return (EADDRINUSE); 6195 } 6196 SCTP_INP_RUNLOCK(inp); 6197 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6198 /* We must do a bind. */ 6199 SOCK_UNLOCK(so); 6200 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6201 /* bind error, probably perm */ 6202 return (error); 6203 } 6204 SOCK_LOCK(so); 6205 } 6206 /* It appears for 7.0 and on, we must always call this. */ 6207 solisten_proto(so, backlog); 6208 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6209 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6210 so->so_options &= ~SO_ACCEPTCONN; 6211 } 6212 if (backlog == 0) { 6213 /* turning off listen */ 6214 so->so_options &= ~SO_ACCEPTCONN; 6215 } 6216 SOCK_UNLOCK(so); 6217 return (error); 6218 } 6219 6220 static int sctp_defered_wakeup_cnt = 0; 6221 6222 int 6223 sctp_accept(struct socket *so, struct sockaddr **addr) 6224 { 6225 struct sctp_tcb *stcb; 6226 struct sctp_inpcb *inp; 6227 union sctp_sockstore store; 6228 6229 #ifdef INET6 6230 int error; 6231 6232 #endif 6233 inp = (struct sctp_inpcb *)so->so_pcb; 6234 6235 if (inp == NULL) { 6236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6237 return (ECONNRESET); 6238 } 6239 SCTP_INP_RLOCK(inp); 6240 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6241 SCTP_INP_RUNLOCK(inp); 6242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6243 return (EOPNOTSUPP); 6244 } 6245 if (so->so_state & SS_ISDISCONNECTED) { 6246 SCTP_INP_RUNLOCK(inp); 6247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6248 return (ECONNABORTED); 6249 } 6250 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6251 if (stcb == NULL) { 6252 SCTP_INP_RUNLOCK(inp); 6253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6254 return (ECONNRESET); 6255 } 6256 SCTP_TCB_LOCK(stcb); 6257 SCTP_INP_RUNLOCK(inp); 6258 store = stcb->asoc.primary_destination->ro._l_addr; 6259 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6260 SCTP_TCB_UNLOCK(stcb); 6261 switch (store.sa.sa_family) { 6262 #ifdef INET 6263 case AF_INET: 6264 { 6265 struct sockaddr_in *sin; 6266 6267 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6268 if (sin == NULL) 6269 return (ENOMEM); 6270 sin->sin_family = AF_INET; 6271 sin->sin_len = sizeof(*sin); 6272 sin->sin_port = store.sin.sin_port; 6273 sin->sin_addr = store.sin.sin_addr; 6274 *addr = (struct sockaddr *)sin; 6275 break; 6276 } 6277 #endif 6278 #ifdef INET6 6279 case AF_INET6: 6280 { 6281 struct sockaddr_in6 *sin6; 6282 6283 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6284 if (sin6 == NULL) 6285 return (ENOMEM); 6286 sin6->sin6_family = AF_INET6; 6287 sin6->sin6_len = sizeof(*sin6); 6288 sin6->sin6_port = store.sin6.sin6_port; 6289 sin6->sin6_addr = store.sin6.sin6_addr; 6290 if ((error = sa6_recoverscope(sin6)) != 0) { 6291 SCTP_FREE_SONAME(sin6); 6292 return (error); 6293 } 6294 *addr = (struct sockaddr *)sin6; 6295 break; 6296 } 6297 #endif 6298 default: 6299 /* TSNH */ 6300 break; 6301 } 6302 /* Wake any delayed sleep action */ 6303 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6304 SCTP_INP_WLOCK(inp); 6305 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6306 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6307 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6308 SCTP_INP_WUNLOCK(inp); 6309 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6310 if (sowriteable(inp->sctp_socket)) { 6311 sowwakeup_locked(inp->sctp_socket); 6312 } else { 6313 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6314 } 6315 SCTP_INP_WLOCK(inp); 6316 } 6317 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6318 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6319 SCTP_INP_WUNLOCK(inp); 6320 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6321 if (soreadable(inp->sctp_socket)) { 6322 sctp_defered_wakeup_cnt++; 6323 sorwakeup_locked(inp->sctp_socket); 6324 } else { 6325 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6326 } 6327 SCTP_INP_WLOCK(inp); 6328 } 6329 SCTP_INP_WUNLOCK(inp); 6330 } 6331 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6332 SCTP_TCB_LOCK(stcb); 6333 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6334 } 6335 return (0); 6336 } 6337 6338 #ifdef INET 6339 int 6340 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6341 { 6342 struct sockaddr_in *sin; 6343 uint32_t vrf_id; 6344 struct sctp_inpcb *inp; 6345 struct sctp_ifa *sctp_ifa; 6346 6347 /* 6348 * Do the malloc first in case it blocks. 6349 */ 6350 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6351 if (sin == NULL) 6352 return (ENOMEM); 6353 sin->sin_family = AF_INET; 6354 sin->sin_len = sizeof(*sin); 6355 inp = (struct sctp_inpcb *)so->so_pcb; 6356 if (!inp) { 6357 SCTP_FREE_SONAME(sin); 6358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6359 return (ECONNRESET); 6360 } 6361 SCTP_INP_RLOCK(inp); 6362 sin->sin_port = inp->sctp_lport; 6363 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6364 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6365 struct sctp_tcb *stcb; 6366 struct sockaddr_in *sin_a; 6367 struct sctp_nets *net; 6368 int fnd; 6369 6370 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6371 if (stcb == NULL) { 6372 goto notConn; 6373 } 6374 fnd = 0; 6375 sin_a = NULL; 6376 SCTP_TCB_LOCK(stcb); 6377 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6378 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6379 if (sin_a == NULL) 6380 /* this will make coverity happy */ 6381 continue; 6382 6383 if (sin_a->sin_family == AF_INET) { 6384 fnd = 1; 6385 break; 6386 } 6387 } 6388 if ((!fnd) || (sin_a == NULL)) { 6389 /* punt */ 6390 SCTP_TCB_UNLOCK(stcb); 6391 goto notConn; 6392 } 6393 vrf_id = inp->def_vrf_id; 6394 sctp_ifa = sctp_source_address_selection(inp, 6395 stcb, 6396 (sctp_route_t *) & net->ro, 6397 net, 0, vrf_id); 6398 if (sctp_ifa) { 6399 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6400 sctp_free_ifa(sctp_ifa); 6401 } 6402 SCTP_TCB_UNLOCK(stcb); 6403 } else { 6404 /* For the bound all case you get back 0 */ 6405 notConn: 6406 sin->sin_addr.s_addr = 0; 6407 } 6408 6409 } else { 6410 /* Take the first IPv4 address in the list */ 6411 struct sctp_laddr *laddr; 6412 int fnd = 0; 6413 6414 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6415 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6416 struct sockaddr_in *sin_a; 6417 6418 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6419 sin->sin_addr = sin_a->sin_addr; 6420 fnd = 1; 6421 break; 6422 } 6423 } 6424 if (!fnd) { 6425 SCTP_FREE_SONAME(sin); 6426 SCTP_INP_RUNLOCK(inp); 6427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6428 return (ENOENT); 6429 } 6430 } 6431 SCTP_INP_RUNLOCK(inp); 6432 (*addr) = (struct sockaddr *)sin; 6433 return (0); 6434 } 6435 6436 int 6437 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6438 { 6439 struct sockaddr_in *sin; 6440 int fnd; 6441 struct sockaddr_in *sin_a; 6442 struct sctp_inpcb *inp; 6443 struct sctp_tcb *stcb; 6444 struct sctp_nets *net; 6445 6446 /* Do the malloc first in case it blocks. */ 6447 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6448 if (sin == NULL) 6449 return (ENOMEM); 6450 sin->sin_family = AF_INET; 6451 sin->sin_len = sizeof(*sin); 6452 6453 inp = (struct sctp_inpcb *)so->so_pcb; 6454 if ((inp == NULL) || 6455 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6456 /* UDP type and listeners will drop out here */ 6457 SCTP_FREE_SONAME(sin); 6458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6459 return (ENOTCONN); 6460 } 6461 SCTP_INP_RLOCK(inp); 6462 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6463 if (stcb) { 6464 SCTP_TCB_LOCK(stcb); 6465 } 6466 SCTP_INP_RUNLOCK(inp); 6467 if (stcb == NULL) { 6468 SCTP_FREE_SONAME(sin); 6469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6470 return (ECONNRESET); 6471 } 6472 fnd = 0; 6473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6474 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6475 if (sin_a->sin_family == AF_INET) { 6476 fnd = 1; 6477 sin->sin_port = stcb->rport; 6478 sin->sin_addr = sin_a->sin_addr; 6479 break; 6480 } 6481 } 6482 SCTP_TCB_UNLOCK(stcb); 6483 if (!fnd) { 6484 /* No IPv4 address */ 6485 SCTP_FREE_SONAME(sin); 6486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6487 return (ENOENT); 6488 } 6489 (*addr) = (struct sockaddr *)sin; 6490 return (0); 6491 } 6492 6493 struct pr_usrreqs sctp_usrreqs = { 6494 .pru_abort = sctp_abort, 6495 .pru_accept = sctp_accept, 6496 .pru_attach = sctp_attach, 6497 .pru_bind = sctp_bind, 6498 .pru_connect = sctp_connect, 6499 .pru_control = in_control, 6500 .pru_close = sctp_close, 6501 .pru_detach = sctp_close, 6502 .pru_sopoll = sopoll_generic, 6503 .pru_flush = sctp_flush, 6504 .pru_disconnect = sctp_disconnect, 6505 .pru_listen = sctp_listen, 6506 .pru_peeraddr = sctp_peeraddr, 6507 .pru_send = sctp_sendm, 6508 .pru_shutdown = sctp_shutdown, 6509 .pru_sockaddr = sctp_ingetaddr, 6510 .pru_sosend = sctp_sosend, 6511 .pru_soreceive = sctp_soreceive 6512 }; 6513 6514 #endif 6515