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_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 858 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 859 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 860 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 861 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 862 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 863 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 864 } 865 SCTP_INP_RUNLOCK(inp); 866 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 867 return (0); 868 } else { 869 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 870 } 871 } 872 soisdisconnecting(so); 873 SCTP_TCB_UNLOCK(stcb); 874 SCTP_INP_RUNLOCK(inp); 875 return (0); 876 } 877 /* not reached */ 878 } else { 879 /* UDP model does not support this */ 880 SCTP_INP_RUNLOCK(inp); 881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 882 return (EOPNOTSUPP); 883 } 884 } 885 886 int 887 sctp_flush(struct socket *so, int how) 888 { 889 /* 890 * We will just clear out the values and let subsequent close clear 891 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 892 * they will not be able to read the data, the socket will block 893 * that from happening. 894 */ 895 struct sctp_inpcb *inp; 896 897 inp = (struct sctp_inpcb *)so->so_pcb; 898 if (inp == NULL) { 899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 900 return (EINVAL); 901 } 902 SCTP_INP_RLOCK(inp); 903 /* For the 1 to many model this does nothing */ 904 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 905 SCTP_INP_RUNLOCK(inp); 906 return (0); 907 } 908 SCTP_INP_RUNLOCK(inp); 909 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 910 /* 911 * First make sure the sb will be happy, we don't use these 912 * except maybe the count 913 */ 914 SCTP_INP_WLOCK(inp); 915 SCTP_INP_READ_LOCK(inp); 916 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 917 SCTP_INP_READ_UNLOCK(inp); 918 SCTP_INP_WUNLOCK(inp); 919 so->so_rcv.sb_cc = 0; 920 so->so_rcv.sb_mbcnt = 0; 921 so->so_rcv.sb_mb = NULL; 922 } 923 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 924 /* 925 * First make sure the sb will be happy, we don't use these 926 * except maybe the count 927 */ 928 so->so_snd.sb_cc = 0; 929 so->so_snd.sb_mbcnt = 0; 930 so->so_snd.sb_mb = NULL; 931 932 } 933 return (0); 934 } 935 936 int 937 sctp_shutdown(struct socket *so) 938 { 939 struct sctp_inpcb *inp; 940 941 inp = (struct sctp_inpcb *)so->so_pcb; 942 if (inp == NULL) { 943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 944 return (EINVAL); 945 } 946 SCTP_INP_RLOCK(inp); 947 /* For UDP model this is a invalid call */ 948 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 950 /* Restore the flags that the soshutdown took away. */ 951 SOCKBUF_LOCK(&so->so_rcv); 952 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 953 SOCKBUF_UNLOCK(&so->so_rcv); 954 /* This proc will wakeup for read and do nothing (I hope) */ 955 SCTP_INP_RUNLOCK(inp); 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 957 return (EOPNOTSUPP); 958 } 959 /* 960 * Ok if we reach here its the TCP model and it is either a SHUT_WR 961 * or SHUT_RDWR. This means we put the shutdown flag against it. 962 */ 963 { 964 struct sctp_tcb *stcb; 965 struct sctp_association *asoc; 966 967 if ((so->so_state & 968 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 969 SCTP_INP_RUNLOCK(inp); 970 return (ENOTCONN); 971 } 972 socantsendmore(so); 973 974 stcb = LIST_FIRST(&inp->sctp_asoc_list); 975 if (stcb == NULL) { 976 /* 977 * Ok we hit the case that the shutdown call was 978 * made after an abort or something. Nothing to do 979 * now. 980 */ 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 SCTP_TCB_LOCK(stcb); 985 asoc = &stcb->asoc; 986 if (TAILQ_EMPTY(&asoc->send_queue) && 987 TAILQ_EMPTY(&asoc->sent_queue) && 988 (asoc->stream_queue_cnt == 0)) { 989 if (asoc->locked_on_sending) { 990 goto abort_anyway; 991 } 992 /* there is nothing queued to send, so I'm done... */ 993 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 994 /* only send SHUTDOWN the first time through */ 995 struct sctp_nets *netp; 996 997 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 998 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 999 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1000 } 1001 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1002 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1003 sctp_stop_timers_for_shutdown(stcb); 1004 if (stcb->asoc.alternate) { 1005 netp = stcb->asoc.alternate; 1006 } else { 1007 netp = stcb->asoc.primary_destination; 1008 } 1009 sctp_send_shutdown(stcb, netp); 1010 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1011 stcb->sctp_ep, stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1015 } 1016 } else { 1017 /* 1018 * we still got (or just got) data to send, so set 1019 * SHUTDOWN_PENDING 1020 */ 1021 struct sctp_nets *netp; 1022 1023 if (stcb->asoc.alternate) { 1024 netp = stcb->asoc.alternate; 1025 } else { 1026 netp = stcb->asoc.primary_destination; 1027 } 1028 1029 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1030 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1031 netp); 1032 1033 if (asoc->locked_on_sending) { 1034 /* Locked to send out the data */ 1035 struct sctp_stream_queue_pending *sp; 1036 1037 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1038 if (sp == NULL) { 1039 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1040 asoc->locked_on_sending->stream_no); 1041 } else { 1042 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1043 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1044 } 1045 } 1046 } 1047 if (TAILQ_EMPTY(&asoc->send_queue) && 1048 TAILQ_EMPTY(&asoc->sent_queue) && 1049 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1050 struct mbuf *op_err; 1051 1052 abort_anyway: 1053 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1054 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1055 sctp_abort_an_association(stcb->sctp_ep, stcb, 1056 op_err, SCTP_SO_LOCKED); 1057 goto skip_unlock; 1058 } else { 1059 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1060 } 1061 } 1062 SCTP_TCB_UNLOCK(stcb); 1063 } 1064 skip_unlock: 1065 SCTP_INP_RUNLOCK(inp); 1066 return (0); 1067 } 1068 1069 /* 1070 * copies a "user" presentable address and removes embedded scope, etc. 1071 * returns 0 on success, 1 on error 1072 */ 1073 static uint32_t 1074 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1075 { 1076 #ifdef INET6 1077 struct sockaddr_in6 lsa6; 1078 1079 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1080 &lsa6); 1081 #endif 1082 memcpy(ss, sa, sa->sa_len); 1083 return (0); 1084 } 1085 1086 1087 1088 /* 1089 * NOTE: assumes addr lock is held 1090 */ 1091 static size_t 1092 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1093 struct sctp_tcb *stcb, 1094 size_t limit, 1095 struct sockaddr_storage *sas, 1096 uint32_t vrf_id) 1097 { 1098 struct sctp_ifn *sctp_ifn; 1099 struct sctp_ifa *sctp_ifa; 1100 size_t actual; 1101 int loopback_scope; 1102 1103 #if defined(INET) 1104 int ipv4_local_scope, ipv4_addr_legal; 1105 1106 #endif 1107 #if defined(INET6) 1108 int local_scope, site_scope, ipv6_addr_legal; 1109 1110 #endif 1111 struct sctp_vrf *vrf; 1112 1113 actual = 0; 1114 if (limit <= 0) 1115 return (actual); 1116 1117 if (stcb) { 1118 /* Turn on all the appropriate scope */ 1119 loopback_scope = stcb->asoc.scope.loopback_scope; 1120 #if defined(INET) 1121 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1122 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1123 #endif 1124 #if defined(INET6) 1125 local_scope = stcb->asoc.scope.local_scope; 1126 site_scope = stcb->asoc.scope.site_scope; 1127 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1128 #endif 1129 } else { 1130 /* Use generic values for endpoints. */ 1131 loopback_scope = 1; 1132 #if defined(INET) 1133 ipv4_local_scope = 1; 1134 #endif 1135 #if defined(INET6) 1136 local_scope = 1; 1137 site_scope = 1; 1138 #endif 1139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1140 #if defined(INET6) 1141 ipv6_addr_legal = 1; 1142 #endif 1143 #if defined(INET) 1144 if (SCTP_IPV6_V6ONLY(inp)) { 1145 ipv4_addr_legal = 0; 1146 } else { 1147 ipv4_addr_legal = 1; 1148 } 1149 #endif 1150 } else { 1151 #if defined(INET6) 1152 ipv6_addr_legal = 0; 1153 #endif 1154 #if defined(INET) 1155 ipv4_addr_legal = 1; 1156 #endif 1157 } 1158 } 1159 vrf = sctp_find_vrf(vrf_id); 1160 if (vrf == NULL) { 1161 return (0); 1162 } 1163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1164 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1165 if ((loopback_scope == 0) && 1166 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1167 /* Skip loopback if loopback_scope not set */ 1168 continue; 1169 } 1170 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1171 if (stcb) { 1172 /* 1173 * For the BOUND-ALL case, the list 1174 * associated with a TCB is Always 1175 * considered a reverse list.. i.e. 1176 * it lists addresses that are NOT 1177 * part of the association. If this 1178 * is one of those we must skip it. 1179 */ 1180 if (sctp_is_addr_restricted(stcb, 1181 sctp_ifa)) { 1182 continue; 1183 } 1184 } 1185 switch (sctp_ifa->address.sa.sa_family) { 1186 #ifdef INET 1187 case AF_INET: 1188 if (ipv4_addr_legal) { 1189 struct sockaddr_in *sin; 1190 1191 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1192 if (sin->sin_addr.s_addr == 0) { 1193 /* 1194 * we skip 1195 * unspecifed 1196 * addresses 1197 */ 1198 continue; 1199 } 1200 if ((ipv4_local_scope == 0) && 1201 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1202 continue; 1203 } 1204 #ifdef INET6 1205 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1206 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1207 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1208 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1209 actual += sizeof(struct sockaddr_in6); 1210 } else { 1211 #endif 1212 memcpy(sas, sin, sizeof(*sin)); 1213 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1214 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1215 actual += sizeof(*sin); 1216 #ifdef INET6 1217 } 1218 #endif 1219 if (actual >= limit) { 1220 return (actual); 1221 } 1222 } else { 1223 continue; 1224 } 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 if (ipv6_addr_legal) { 1230 struct sockaddr_in6 *sin6; 1231 1232 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1233 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1234 /* 1235 * we skip 1236 * unspecifed 1237 * addresses 1238 */ 1239 continue; 1240 } 1241 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1242 if (local_scope == 0) 1243 continue; 1244 if (sin6->sin6_scope_id == 0) { 1245 if (sa6_recoverscope(sin6) != 0) 1246 /* 1247 * 1248 * bad 1249 * 1250 * li 1251 * nk 1252 * 1253 * loc 1254 * al 1255 * 1256 * add 1257 * re 1258 * ss 1259 * */ 1260 continue; 1261 } 1262 } 1263 if ((site_scope == 0) && 1264 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1265 continue; 1266 } 1267 memcpy(sas, sin6, sizeof(*sin6)); 1268 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1269 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1270 actual += sizeof(*sin6); 1271 if (actual >= limit) { 1272 return (actual); 1273 } 1274 } else { 1275 continue; 1276 } 1277 break; 1278 #endif 1279 default: 1280 /* TSNH */ 1281 break; 1282 } 1283 } 1284 } 1285 } else { 1286 struct sctp_laddr *laddr; 1287 1288 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1289 if (stcb) { 1290 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1291 continue; 1292 } 1293 } 1294 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1295 continue; 1296 switch (laddr->ifa->address.sa.sa_family) { 1297 #ifdef INET 1298 case AF_INET: 1299 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1300 break; 1301 #endif 1302 #ifdef INET6 1303 case AF_INET6: 1304 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1305 break; 1306 #endif 1307 default: 1308 /* TSNH */ 1309 break; 1310 } 1311 sas = (struct sockaddr_storage *)((caddr_t)sas + 1312 laddr->ifa->address.sa.sa_len); 1313 actual += laddr->ifa->address.sa.sa_len; 1314 if (actual >= limit) { 1315 return (actual); 1316 } 1317 } 1318 } 1319 return (actual); 1320 } 1321 1322 static size_t 1323 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1324 struct sctp_tcb *stcb, 1325 size_t limit, 1326 struct sockaddr_storage *sas) 1327 { 1328 size_t size = 0; 1329 1330 SCTP_IPI_ADDR_RLOCK(); 1331 /* fill up addresses for the endpoint's default vrf */ 1332 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1333 inp->def_vrf_id); 1334 SCTP_IPI_ADDR_RUNLOCK(); 1335 return (size); 1336 } 1337 1338 /* 1339 * NOTE: assumes addr lock is held 1340 */ 1341 static int 1342 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1343 { 1344 int cnt = 0; 1345 struct sctp_vrf *vrf = NULL; 1346 1347 /* 1348 * In both sub-set bound an bound_all cases we return the MAXIMUM 1349 * number of addresses that you COULD get. In reality the sub-set 1350 * bound may have an exclusion list for a given TCB OR in the 1351 * bound-all case a TCB may NOT include the loopback or other 1352 * addresses as well. 1353 */ 1354 vrf = sctp_find_vrf(vrf_id); 1355 if (vrf == NULL) { 1356 return (0); 1357 } 1358 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1359 struct sctp_ifn *sctp_ifn; 1360 struct sctp_ifa *sctp_ifa; 1361 1362 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1363 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1364 /* Count them if they are the right type */ 1365 switch (sctp_ifa->address.sa.sa_family) { 1366 #ifdef INET 1367 case AF_INET: 1368 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1369 cnt += sizeof(struct sockaddr_in6); 1370 else 1371 cnt += sizeof(struct sockaddr_in); 1372 break; 1373 #endif 1374 #ifdef INET6 1375 case AF_INET6: 1376 cnt += sizeof(struct sockaddr_in6); 1377 break; 1378 #endif 1379 default: 1380 break; 1381 } 1382 } 1383 } 1384 } else { 1385 struct sctp_laddr *laddr; 1386 1387 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1388 switch (laddr->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 return (cnt); 1408 } 1409 1410 static int 1411 sctp_count_max_addresses(struct sctp_inpcb *inp) 1412 { 1413 int cnt = 0; 1414 1415 SCTP_IPI_ADDR_RLOCK(); 1416 /* count addresses for the endpoint's default VRF */ 1417 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1418 SCTP_IPI_ADDR_RUNLOCK(); 1419 return (cnt); 1420 } 1421 1422 static int 1423 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1424 size_t optsize, void *p, int delay) 1425 { 1426 int error = 0; 1427 int creat_lock_on = 0; 1428 struct sctp_tcb *stcb = NULL; 1429 struct sockaddr *sa; 1430 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1431 uint32_t vrf_id; 1432 int bad_addresses = 0; 1433 sctp_assoc_t *a_id; 1434 1435 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1436 1437 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1438 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1439 /* We are already connected AND the TCP model */ 1440 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1441 return (EADDRINUSE); 1442 } 1443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1444 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1445 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1446 return (EINVAL); 1447 } 1448 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1449 SCTP_INP_RLOCK(inp); 1450 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1451 SCTP_INP_RUNLOCK(inp); 1452 } 1453 if (stcb) { 1454 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1455 return (EALREADY); 1456 } 1457 SCTP_INP_INCR_REF(inp); 1458 SCTP_ASOC_CREATE_LOCK(inp); 1459 creat_lock_on = 1; 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1461 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1463 error = EFAULT; 1464 goto out_now; 1465 } 1466 totaddrp = (int *)optval; 1467 totaddr = *totaddrp; 1468 sa = (struct sockaddr *)(totaddrp + 1); 1469 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1470 if ((stcb != NULL) || bad_addresses) { 1471 /* Already have or am bring up an association */ 1472 SCTP_ASOC_CREATE_UNLOCK(inp); 1473 creat_lock_on = 0; 1474 if (stcb) 1475 SCTP_TCB_UNLOCK(stcb); 1476 if (bad_addresses == 0) { 1477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1478 error = EALREADY; 1479 } 1480 goto out_now; 1481 } 1482 #ifdef INET6 1483 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1484 (num_v6 > 0)) { 1485 error = EINVAL; 1486 goto out_now; 1487 } 1488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1489 (num_v4 > 0)) { 1490 struct in6pcb *inp6; 1491 1492 inp6 = (struct in6pcb *)inp; 1493 if (SCTP_IPV6_V6ONLY(inp6)) { 1494 /* 1495 * if IPV6_V6ONLY flag, ignore connections destined 1496 * to a v4 addr or v4-mapped addr 1497 */ 1498 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1499 error = EINVAL; 1500 goto out_now; 1501 } 1502 } 1503 #endif /* INET6 */ 1504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1505 SCTP_PCB_FLAGS_UNBOUND) { 1506 /* Bind a ephemeral port */ 1507 error = sctp_inpcb_bind(so, NULL, NULL, p); 1508 if (error) { 1509 goto out_now; 1510 } 1511 } 1512 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1513 vrf_id = inp->def_vrf_id; 1514 1515 1516 /* We are GOOD to go */ 1517 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1518 (struct thread *)p 1519 ); 1520 if (stcb == NULL) { 1521 /* Gak! no memory */ 1522 goto out_now; 1523 } 1524 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1525 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1526 /* Set the connected flag so we can queue data */ 1527 soisconnecting(so); 1528 } 1529 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1530 /* move to second address */ 1531 switch (sa->sa_family) { 1532 #ifdef INET 1533 case AF_INET: 1534 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1535 break; 1536 #endif 1537 #ifdef INET6 1538 case AF_INET6: 1539 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1540 break; 1541 #endif 1542 default: 1543 break; 1544 } 1545 1546 error = 0; 1547 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1548 /* Fill in the return id */ 1549 if (error) { 1550 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1551 goto out_now; 1552 } 1553 a_id = (sctp_assoc_t *) optval; 1554 *a_id = sctp_get_associd(stcb); 1555 1556 /* initialize authentication parameters for the assoc */ 1557 sctp_initialize_auth_params(inp, stcb); 1558 1559 if (delay) { 1560 /* doing delayed connection */ 1561 stcb->asoc.delayed_connection = 1; 1562 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1563 } else { 1564 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1565 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1566 } 1567 SCTP_TCB_UNLOCK(stcb); 1568 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1569 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1570 /* Set the connected flag so we can queue data */ 1571 soisconnecting(so); 1572 } 1573 out_now: 1574 if (creat_lock_on) { 1575 SCTP_ASOC_CREATE_UNLOCK(inp); 1576 } 1577 SCTP_INP_DECR_REF(inp); 1578 return (error); 1579 } 1580 1581 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1582 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1583 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1584 SCTP_INP_RLOCK(inp); \ 1585 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1586 if (stcb) { \ 1587 SCTP_TCB_LOCK(stcb); \ 1588 } \ 1589 SCTP_INP_RUNLOCK(inp); \ 1590 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1591 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1592 if (stcb == NULL) { \ 1593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1594 error = ENOENT; \ 1595 break; \ 1596 } \ 1597 } else { \ 1598 stcb = NULL; \ 1599 } \ 1600 } 1601 1602 1603 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1604 if (size < sizeof(type)) { \ 1605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1606 error = EINVAL; \ 1607 break; \ 1608 } else { \ 1609 destp = (type *)srcp; \ 1610 } \ 1611 } 1612 1613 static int 1614 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1615 void *p) 1616 { 1617 struct sctp_inpcb *inp = NULL; 1618 int error, val = 0; 1619 struct sctp_tcb *stcb = NULL; 1620 1621 if (optval == NULL) { 1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1623 return (EINVAL); 1624 } 1625 inp = (struct sctp_inpcb *)so->so_pcb; 1626 if (inp == NULL) { 1627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1628 return EINVAL; 1629 } 1630 error = 0; 1631 1632 switch (optname) { 1633 case SCTP_NODELAY: 1634 case SCTP_AUTOCLOSE: 1635 case SCTP_EXPLICIT_EOR: 1636 case SCTP_AUTO_ASCONF: 1637 case SCTP_DISABLE_FRAGMENTS: 1638 case SCTP_I_WANT_MAPPED_V4_ADDR: 1639 case SCTP_USE_EXT_RCVINFO: 1640 SCTP_INP_RLOCK(inp); 1641 switch (optname) { 1642 case SCTP_DISABLE_FRAGMENTS: 1643 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1644 break; 1645 case SCTP_I_WANT_MAPPED_V4_ADDR: 1646 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1647 break; 1648 case SCTP_AUTO_ASCONF: 1649 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1650 /* only valid for bound all sockets */ 1651 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1652 } else { 1653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1654 error = EINVAL; 1655 goto flags_out; 1656 } 1657 break; 1658 case SCTP_EXPLICIT_EOR: 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1660 break; 1661 case SCTP_NODELAY: 1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1663 break; 1664 case SCTP_USE_EXT_RCVINFO: 1665 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1666 break; 1667 case SCTP_AUTOCLOSE: 1668 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1669 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1670 else 1671 val = 0; 1672 break; 1673 1674 default: 1675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1676 error = ENOPROTOOPT; 1677 } /* end switch (sopt->sopt_name) */ 1678 if (*optsize < sizeof(val)) { 1679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1680 error = EINVAL; 1681 } 1682 flags_out: 1683 SCTP_INP_RUNLOCK(inp); 1684 if (error == 0) { 1685 /* return the option value */ 1686 *(int *)optval = val; 1687 *optsize = sizeof(val); 1688 } 1689 break; 1690 case SCTP_GET_PACKET_LOG: 1691 { 1692 #ifdef SCTP_PACKET_LOGGING 1693 uint8_t *target; 1694 int ret; 1695 1696 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1697 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1698 *optsize = ret; 1699 #else 1700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1701 error = EOPNOTSUPP; 1702 #endif 1703 break; 1704 } 1705 case SCTP_REUSE_PORT: 1706 { 1707 uint32_t *value; 1708 1709 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1710 /* Can't do this for a 1-m socket */ 1711 error = EINVAL; 1712 break; 1713 } 1714 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1715 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1716 *optsize = sizeof(uint32_t); 1717 break; 1718 } 1719 case SCTP_PARTIAL_DELIVERY_POINT: 1720 { 1721 uint32_t *value; 1722 1723 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1724 *value = inp->partial_delivery_point; 1725 *optsize = sizeof(uint32_t); 1726 break; 1727 } 1728 case SCTP_FRAGMENT_INTERLEAVE: 1729 { 1730 uint32_t *value; 1731 1732 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1733 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1734 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1735 *value = SCTP_FRAG_LEVEL_2; 1736 } else { 1737 *value = SCTP_FRAG_LEVEL_1; 1738 } 1739 } else { 1740 *value = SCTP_FRAG_LEVEL_0; 1741 } 1742 *optsize = sizeof(uint32_t); 1743 break; 1744 } 1745 case SCTP_CMT_ON_OFF: 1746 { 1747 struct sctp_assoc_value *av; 1748 1749 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1750 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1751 if (stcb) { 1752 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1753 SCTP_TCB_UNLOCK(stcb); 1754 } else { 1755 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1756 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1757 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1758 SCTP_INP_RLOCK(inp); 1759 av->assoc_value = inp->sctp_cmt_on_off; 1760 SCTP_INP_RUNLOCK(inp); 1761 } else { 1762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1763 error = EINVAL; 1764 } 1765 } 1766 if (error == 0) { 1767 *optsize = sizeof(struct sctp_assoc_value); 1768 } 1769 break; 1770 } 1771 case SCTP_PLUGGABLE_CC: 1772 { 1773 struct sctp_assoc_value *av; 1774 1775 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1776 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1777 if (stcb) { 1778 av->assoc_value = stcb->asoc.congestion_control_module; 1779 SCTP_TCB_UNLOCK(stcb); 1780 } else { 1781 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1782 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1783 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1784 SCTP_INP_RLOCK(inp); 1785 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1786 SCTP_INP_RUNLOCK(inp); 1787 } else { 1788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1789 error = EINVAL; 1790 } 1791 } 1792 if (error == 0) { 1793 *optsize = sizeof(struct sctp_assoc_value); 1794 } 1795 break; 1796 } 1797 case SCTP_CC_OPTION: 1798 { 1799 struct sctp_cc_option *cc_opt; 1800 1801 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1802 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1803 if (stcb == NULL) { 1804 error = EINVAL; 1805 } else { 1806 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1807 error = ENOTSUP; 1808 } else { 1809 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1810 *optsize = sizeof(struct sctp_cc_option); 1811 } 1812 SCTP_TCB_UNLOCK(stcb); 1813 } 1814 break; 1815 } 1816 case SCTP_PLUGGABLE_SS: 1817 { 1818 struct sctp_assoc_value *av; 1819 1820 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1821 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1822 if (stcb) { 1823 av->assoc_value = stcb->asoc.stream_scheduling_module; 1824 SCTP_TCB_UNLOCK(stcb); 1825 } else { 1826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1827 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1828 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1829 SCTP_INP_RLOCK(inp); 1830 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1831 SCTP_INP_RUNLOCK(inp); 1832 } else { 1833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1834 error = EINVAL; 1835 } 1836 } 1837 if (error == 0) { 1838 *optsize = sizeof(struct sctp_assoc_value); 1839 } 1840 break; 1841 } 1842 case SCTP_SS_VALUE: 1843 { 1844 struct sctp_stream_value *av; 1845 1846 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1847 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1848 if (stcb) { 1849 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1850 &av->stream_value) < 0) { 1851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1852 error = EINVAL; 1853 } else { 1854 *optsize = sizeof(struct sctp_stream_value); 1855 } 1856 SCTP_TCB_UNLOCK(stcb); 1857 } else { 1858 /* 1859 * Can't get stream value without 1860 * association 1861 */ 1862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1863 error = EINVAL; 1864 } 1865 break; 1866 } 1867 case SCTP_GET_ADDR_LEN: 1868 { 1869 struct sctp_assoc_value *av; 1870 1871 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1872 error = EINVAL; 1873 #ifdef INET 1874 if (av->assoc_value == AF_INET) { 1875 av->assoc_value = sizeof(struct sockaddr_in); 1876 error = 0; 1877 } 1878 #endif 1879 #ifdef INET6 1880 if (av->assoc_value == AF_INET6) { 1881 av->assoc_value = sizeof(struct sockaddr_in6); 1882 error = 0; 1883 } 1884 #endif 1885 if (error) { 1886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1887 } else { 1888 *optsize = sizeof(struct sctp_assoc_value); 1889 } 1890 break; 1891 } 1892 case SCTP_GET_ASSOC_NUMBER: 1893 { 1894 uint32_t *value, cnt; 1895 1896 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1897 cnt = 0; 1898 SCTP_INP_RLOCK(inp); 1899 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1900 cnt++; 1901 } 1902 SCTP_INP_RUNLOCK(inp); 1903 *value = cnt; 1904 *optsize = sizeof(uint32_t); 1905 break; 1906 } 1907 case SCTP_GET_ASSOC_ID_LIST: 1908 { 1909 struct sctp_assoc_ids *ids; 1910 unsigned int at, limit; 1911 1912 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1913 at = 0; 1914 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1915 SCTP_INP_RLOCK(inp); 1916 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1917 if (at < limit) { 1918 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1919 } else { 1920 error = EINVAL; 1921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1922 break; 1923 } 1924 } 1925 SCTP_INP_RUNLOCK(inp); 1926 if (error == 0) { 1927 ids->gaids_number_of_ids = at; 1928 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1929 } 1930 break; 1931 } 1932 case SCTP_CONTEXT: 1933 { 1934 struct sctp_assoc_value *av; 1935 1936 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1937 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1938 1939 if (stcb) { 1940 av->assoc_value = stcb->asoc.context; 1941 SCTP_TCB_UNLOCK(stcb); 1942 } else { 1943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1944 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1945 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1946 SCTP_INP_RLOCK(inp); 1947 av->assoc_value = inp->sctp_context; 1948 SCTP_INP_RUNLOCK(inp); 1949 } else { 1950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1951 error = EINVAL; 1952 } 1953 } 1954 if (error == 0) { 1955 *optsize = sizeof(struct sctp_assoc_value); 1956 } 1957 break; 1958 } 1959 case SCTP_VRF_ID: 1960 { 1961 uint32_t *default_vrfid; 1962 1963 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1964 *default_vrfid = inp->def_vrf_id; 1965 *optsize = sizeof(uint32_t); 1966 break; 1967 } 1968 case SCTP_GET_ASOC_VRF: 1969 { 1970 struct sctp_assoc_value *id; 1971 1972 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1973 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1974 if (stcb == NULL) { 1975 error = EINVAL; 1976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1977 } else { 1978 id->assoc_value = stcb->asoc.vrf_id; 1979 *optsize = sizeof(struct sctp_assoc_value); 1980 } 1981 break; 1982 } 1983 case SCTP_GET_VRF_IDS: 1984 { 1985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1986 error = EOPNOTSUPP; 1987 break; 1988 } 1989 case SCTP_GET_NONCE_VALUES: 1990 { 1991 struct sctp_get_nonce_values *gnv; 1992 1993 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1994 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1995 1996 if (stcb) { 1997 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1998 gnv->gn_local_tag = stcb->asoc.my_vtag; 1999 SCTP_TCB_UNLOCK(stcb); 2000 *optsize = sizeof(struct sctp_get_nonce_values); 2001 } else { 2002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2003 error = ENOTCONN; 2004 } 2005 break; 2006 } 2007 case SCTP_DELAYED_SACK: 2008 { 2009 struct sctp_sack_info *sack; 2010 2011 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2012 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2013 if (stcb) { 2014 sack->sack_delay = stcb->asoc.delayed_ack; 2015 sack->sack_freq = stcb->asoc.sack_freq; 2016 SCTP_TCB_UNLOCK(stcb); 2017 } else { 2018 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2019 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2020 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2021 SCTP_INP_RLOCK(inp); 2022 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2023 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2024 SCTP_INP_RUNLOCK(inp); 2025 } else { 2026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2027 error = EINVAL; 2028 } 2029 } 2030 if (error == 0) { 2031 *optsize = sizeof(struct sctp_sack_info); 2032 } 2033 break; 2034 } 2035 case SCTP_GET_SNDBUF_USE: 2036 { 2037 struct sctp_sockstat *ss; 2038 2039 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2040 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2041 2042 if (stcb) { 2043 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2044 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2045 stcb->asoc.size_on_all_streams); 2046 SCTP_TCB_UNLOCK(stcb); 2047 *optsize = sizeof(struct sctp_sockstat); 2048 } else { 2049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2050 error = ENOTCONN; 2051 } 2052 break; 2053 } 2054 case SCTP_MAX_BURST: 2055 { 2056 struct sctp_assoc_value *av; 2057 2058 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2059 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2060 2061 if (stcb) { 2062 av->assoc_value = stcb->asoc.max_burst; 2063 SCTP_TCB_UNLOCK(stcb); 2064 } else { 2065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2066 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2067 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2068 SCTP_INP_RLOCK(inp); 2069 av->assoc_value = inp->sctp_ep.max_burst; 2070 SCTP_INP_RUNLOCK(inp); 2071 } else { 2072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2073 error = EINVAL; 2074 } 2075 } 2076 if (error == 0) { 2077 *optsize = sizeof(struct sctp_assoc_value); 2078 } 2079 break; 2080 } 2081 case SCTP_MAXSEG: 2082 { 2083 struct sctp_assoc_value *av; 2084 int ovh; 2085 2086 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2087 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2088 2089 if (stcb) { 2090 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2091 SCTP_TCB_UNLOCK(stcb); 2092 } else { 2093 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2094 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2095 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2096 SCTP_INP_RLOCK(inp); 2097 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2098 ovh = SCTP_MED_OVERHEAD; 2099 } else { 2100 ovh = SCTP_MED_V4_OVERHEAD; 2101 } 2102 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2103 av->assoc_value = 0; 2104 else 2105 av->assoc_value = inp->sctp_frag_point - ovh; 2106 SCTP_INP_RUNLOCK(inp); 2107 } else { 2108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2109 error = EINVAL; 2110 } 2111 } 2112 if (error == 0) { 2113 *optsize = sizeof(struct sctp_assoc_value); 2114 } 2115 break; 2116 } 2117 case SCTP_GET_STAT_LOG: 2118 error = sctp_fill_stat_log(optval, optsize); 2119 break; 2120 case SCTP_EVENTS: 2121 { 2122 struct sctp_event_subscribe *events; 2123 2124 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2125 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2126 SCTP_INP_RLOCK(inp); 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2128 events->sctp_data_io_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2131 events->sctp_association_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2134 events->sctp_address_event = 1; 2135 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2137 events->sctp_send_failure_event = 1; 2138 2139 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2140 events->sctp_peer_error_event = 1; 2141 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2143 events->sctp_shutdown_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2146 events->sctp_partial_delivery_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2149 events->sctp_adaptation_layer_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2152 events->sctp_authentication_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2155 events->sctp_sender_dry_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2158 events->sctp_stream_reset_event = 1; 2159 SCTP_INP_RUNLOCK(inp); 2160 *optsize = sizeof(struct sctp_event_subscribe); 2161 break; 2162 } 2163 case SCTP_ADAPTATION_LAYER: 2164 { 2165 uint32_t *value; 2166 2167 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2168 2169 SCTP_INP_RLOCK(inp); 2170 *value = inp->sctp_ep.adaptation_layer_indicator; 2171 SCTP_INP_RUNLOCK(inp); 2172 *optsize = sizeof(uint32_t); 2173 break; 2174 } 2175 case SCTP_SET_INITIAL_DBG_SEQ: 2176 { 2177 uint32_t *value; 2178 2179 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2180 SCTP_INP_RLOCK(inp); 2181 *value = inp->sctp_ep.initial_sequence_debug; 2182 SCTP_INP_RUNLOCK(inp); 2183 *optsize = sizeof(uint32_t); 2184 break; 2185 } 2186 case SCTP_GET_LOCAL_ADDR_SIZE: 2187 { 2188 uint32_t *value; 2189 2190 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2191 SCTP_INP_RLOCK(inp); 2192 *value = sctp_count_max_addresses(inp); 2193 SCTP_INP_RUNLOCK(inp); 2194 *optsize = sizeof(uint32_t); 2195 break; 2196 } 2197 case SCTP_GET_REMOTE_ADDR_SIZE: 2198 { 2199 uint32_t *value; 2200 size_t size; 2201 struct sctp_nets *net; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 /* FIXME MT: change to sctp_assoc_value? */ 2205 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2206 2207 if (stcb) { 2208 size = 0; 2209 /* Count the sizes */ 2210 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2211 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2212 size += sizeof(struct sockaddr_in6); 2213 } else { 2214 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2215 #ifdef INET 2216 case AF_INET: 2217 size += sizeof(struct sockaddr_in); 2218 break; 2219 #endif 2220 #ifdef INET6 2221 case AF_INET6: 2222 size += sizeof(struct sockaddr_in6); 2223 break; 2224 #endif 2225 default: 2226 break; 2227 } 2228 } 2229 } 2230 SCTP_TCB_UNLOCK(stcb); 2231 *value = (uint32_t) size; 2232 *optsize = sizeof(uint32_t); 2233 } else { 2234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2235 error = ENOTCONN; 2236 } 2237 break; 2238 } 2239 case SCTP_GET_PEER_ADDRESSES: 2240 /* 2241 * Get the address information, an array is passed in to 2242 * fill up we pack it. 2243 */ 2244 { 2245 size_t cpsz, left; 2246 struct sockaddr_storage *sas; 2247 struct sctp_nets *net; 2248 struct sctp_getaddresses *saddr; 2249 2250 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2251 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2252 2253 if (stcb) { 2254 left = (*optsize) - sizeof(struct sctp_getaddresses); 2255 *optsize = sizeof(struct sctp_getaddresses); 2256 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2257 2258 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2259 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2260 cpsz = sizeof(struct sockaddr_in6); 2261 } else { 2262 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2263 #ifdef INET 2264 case AF_INET: 2265 cpsz = sizeof(struct sockaddr_in); 2266 break; 2267 #endif 2268 #ifdef INET6 2269 case AF_INET6: 2270 cpsz = sizeof(struct sockaddr_in6); 2271 break; 2272 #endif 2273 default: 2274 cpsz = 0; 2275 break; 2276 } 2277 } 2278 if (cpsz == 0) { 2279 break; 2280 } 2281 if (left < cpsz) { 2282 /* not enough room. */ 2283 break; 2284 } 2285 #if defined(INET) && defined(INET6) 2286 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2287 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2288 /* Must map the address */ 2289 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2290 (struct sockaddr_in6 *)sas); 2291 } else { 2292 #endif 2293 memcpy(sas, &net->ro._l_addr, cpsz); 2294 #if defined(INET) && defined(INET6) 2295 } 2296 #endif 2297 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2298 2299 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2300 left -= cpsz; 2301 *optsize += cpsz; 2302 } 2303 SCTP_TCB_UNLOCK(stcb); 2304 } else { 2305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2306 error = ENOENT; 2307 } 2308 break; 2309 } 2310 case SCTP_GET_LOCAL_ADDRESSES: 2311 { 2312 size_t limit, actual; 2313 struct sockaddr_storage *sas; 2314 struct sctp_getaddresses *saddr; 2315 2316 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2317 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2318 2319 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2320 limit = *optsize - sizeof(sctp_assoc_t); 2321 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2322 if (stcb) { 2323 SCTP_TCB_UNLOCK(stcb); 2324 } 2325 *optsize = sizeof(struct sockaddr_storage) + actual; 2326 break; 2327 } 2328 case SCTP_PEER_ADDR_PARAMS: 2329 { 2330 struct sctp_paddrparams *paddrp; 2331 struct sctp_nets *net; 2332 2333 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2334 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2335 2336 net = NULL; 2337 if (stcb) { 2338 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2339 } else { 2340 /* 2341 * We increment here since 2342 * sctp_findassociation_ep_addr() wil do a 2343 * decrement if it finds the stcb as long as 2344 * the locked tcb (last argument) is NOT a 2345 * TCB.. aka NULL. 2346 */ 2347 SCTP_INP_INCR_REF(inp); 2348 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2349 if (stcb == NULL) { 2350 SCTP_INP_DECR_REF(inp); 2351 } 2352 } 2353 if (stcb && (net == NULL)) { 2354 struct sockaddr *sa; 2355 2356 sa = (struct sockaddr *)&paddrp->spp_address; 2357 #ifdef INET 2358 if (sa->sa_family == AF_INET) { 2359 struct sockaddr_in *sin; 2360 2361 sin = (struct sockaddr_in *)sa; 2362 if (sin->sin_addr.s_addr) { 2363 error = EINVAL; 2364 SCTP_TCB_UNLOCK(stcb); 2365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2366 break; 2367 } 2368 } else 2369 #endif 2370 #ifdef INET6 2371 if (sa->sa_family == AF_INET6) { 2372 struct sockaddr_in6 *sin6; 2373 2374 sin6 = (struct sockaddr_in6 *)sa; 2375 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2376 error = EINVAL; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } else 2382 #endif 2383 { 2384 error = EAFNOSUPPORT; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } 2390 if (stcb) { 2391 /* Applies to the specific association */ 2392 paddrp->spp_flags = 0; 2393 if (net) { 2394 int ovh; 2395 2396 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2397 ovh = SCTP_MED_OVERHEAD; 2398 } else { 2399 ovh = SCTP_MED_V4_OVERHEAD; 2400 } 2401 2402 paddrp->spp_hbinterval = net->heart_beat_delay; 2403 paddrp->spp_pathmaxrxt = net->failure_threshold; 2404 paddrp->spp_pathmtu = net->mtu - ovh; 2405 /* get flags for HB */ 2406 if (net->dest_state & SCTP_ADDR_NOHB) { 2407 paddrp->spp_flags |= SPP_HB_DISABLE; 2408 } else { 2409 paddrp->spp_flags |= SPP_HB_ENABLE; 2410 } 2411 /* get flags for PMTU */ 2412 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2413 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2414 } else { 2415 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2416 } 2417 if (net->dscp & 0x01) { 2418 paddrp->spp_dscp = net->dscp & 0xfc; 2419 paddrp->spp_flags |= SPP_DSCP; 2420 } 2421 #ifdef INET6 2422 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2423 (net->flowlabel & 0x80000000)) { 2424 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2425 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2426 } 2427 #endif 2428 } else { 2429 /* 2430 * No destination so return default 2431 * value 2432 */ 2433 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2434 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2435 if (stcb->asoc.default_dscp & 0x01) { 2436 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2437 paddrp->spp_flags |= SPP_DSCP; 2438 } 2439 #ifdef INET6 2440 if (stcb->asoc.default_flowlabel & 0x80000000) { 2441 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2442 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2443 } 2444 #endif 2445 /* default settings should be these */ 2446 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2447 paddrp->spp_flags |= SPP_HB_DISABLE; 2448 } else { 2449 paddrp->spp_flags |= SPP_HB_ENABLE; 2450 } 2451 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2452 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2453 } else { 2454 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2455 } 2456 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2457 } 2458 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2459 SCTP_TCB_UNLOCK(stcb); 2460 } else { 2461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2462 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2463 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2464 /* Use endpoint defaults */ 2465 SCTP_INP_RLOCK(inp); 2466 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2467 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2468 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2469 /* get inp's default */ 2470 if (inp->sctp_ep.default_dscp & 0x01) { 2471 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2472 paddrp->spp_flags |= SPP_DSCP; 2473 } 2474 #ifdef INET6 2475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2476 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2477 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2478 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2479 } 2480 #endif 2481 /* can't return this */ 2482 paddrp->spp_pathmtu = 0; 2483 2484 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2485 paddrp->spp_flags |= SPP_HB_ENABLE; 2486 } else { 2487 paddrp->spp_flags |= SPP_HB_DISABLE; 2488 } 2489 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2490 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2491 } else { 2492 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2493 } 2494 SCTP_INP_RUNLOCK(inp); 2495 } else { 2496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2497 error = EINVAL; 2498 } 2499 } 2500 if (error == 0) { 2501 *optsize = sizeof(struct sctp_paddrparams); 2502 } 2503 break; 2504 } 2505 case SCTP_GET_PEER_ADDR_INFO: 2506 { 2507 struct sctp_paddrinfo *paddri; 2508 struct sctp_nets *net; 2509 2510 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2511 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2512 2513 net = NULL; 2514 if (stcb) { 2515 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2516 } else { 2517 /* 2518 * We increment here since 2519 * sctp_findassociation_ep_addr() wil do a 2520 * decrement if it finds the stcb as long as 2521 * the locked tcb (last argument) is NOT a 2522 * TCB.. aka NULL. 2523 */ 2524 SCTP_INP_INCR_REF(inp); 2525 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2526 if (stcb == NULL) { 2527 SCTP_INP_DECR_REF(inp); 2528 } 2529 } 2530 2531 if ((stcb) && (net)) { 2532 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2533 /* It's unconfirmed */ 2534 paddri->spinfo_state = SCTP_UNCONFIRMED; 2535 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2536 /* It's active */ 2537 paddri->spinfo_state = SCTP_ACTIVE; 2538 } else { 2539 /* It's inactive */ 2540 paddri->spinfo_state = SCTP_INACTIVE; 2541 } 2542 paddri->spinfo_cwnd = net->cwnd; 2543 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2544 paddri->spinfo_rto = net->RTO; 2545 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2546 paddri->spinfo_mtu = net->mtu; 2547 SCTP_TCB_UNLOCK(stcb); 2548 *optsize = sizeof(struct sctp_paddrinfo); 2549 } else { 2550 if (stcb) { 2551 SCTP_TCB_UNLOCK(stcb); 2552 } 2553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2554 error = ENOENT; 2555 } 2556 break; 2557 } 2558 case SCTP_PCB_STATUS: 2559 { 2560 struct sctp_pcbinfo *spcb; 2561 2562 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2563 sctp_fill_pcbinfo(spcb); 2564 *optsize = sizeof(struct sctp_pcbinfo); 2565 break; 2566 } 2567 case SCTP_STATUS: 2568 { 2569 struct sctp_nets *net; 2570 struct sctp_status *sstat; 2571 2572 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2573 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2574 2575 if (stcb == NULL) { 2576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2577 error = EINVAL; 2578 break; 2579 } 2580 /* 2581 * I think passing the state is fine since 2582 * sctp_constants.h will be available to the user 2583 * land. 2584 */ 2585 sstat->sstat_state = stcb->asoc.state; 2586 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2587 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2588 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2589 /* 2590 * We can't include chunks that have been passed to 2591 * the socket layer. Only things in queue. 2592 */ 2593 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2594 stcb->asoc.cnt_on_all_streams); 2595 2596 2597 sstat->sstat_instrms = stcb->asoc.streamincnt; 2598 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2599 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2600 memcpy(&sstat->sstat_primary.spinfo_address, 2601 &stcb->asoc.primary_destination->ro._l_addr, 2602 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2603 net = stcb->asoc.primary_destination; 2604 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2605 /* 2606 * Again the user can get info from sctp_constants.h 2607 * for what the state of the network is. 2608 */ 2609 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2610 /* It's unconfirmed */ 2611 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2612 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2613 /* It's active */ 2614 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2615 } else { 2616 /* It's inactive */ 2617 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2618 } 2619 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2620 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2621 sstat->sstat_primary.spinfo_rto = net->RTO; 2622 sstat->sstat_primary.spinfo_mtu = net->mtu; 2623 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2624 SCTP_TCB_UNLOCK(stcb); 2625 *optsize = sizeof(struct sctp_status); 2626 break; 2627 } 2628 case SCTP_RTOINFO: 2629 { 2630 struct sctp_rtoinfo *srto; 2631 2632 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2633 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2634 2635 if (stcb) { 2636 srto->srto_initial = stcb->asoc.initial_rto; 2637 srto->srto_max = stcb->asoc.maxrto; 2638 srto->srto_min = stcb->asoc.minrto; 2639 SCTP_TCB_UNLOCK(stcb); 2640 } else { 2641 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2642 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2643 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2644 SCTP_INP_RLOCK(inp); 2645 srto->srto_initial = inp->sctp_ep.initial_rto; 2646 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2647 srto->srto_min = inp->sctp_ep.sctp_minrto; 2648 SCTP_INP_RUNLOCK(inp); 2649 } else { 2650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2651 error = EINVAL; 2652 } 2653 } 2654 if (error == 0) { 2655 *optsize = sizeof(struct sctp_rtoinfo); 2656 } 2657 break; 2658 } 2659 case SCTP_TIMEOUTS: 2660 { 2661 struct sctp_timeouts *stimo; 2662 2663 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2664 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2665 2666 if (stcb) { 2667 stimo->stimo_init = stcb->asoc.timoinit; 2668 stimo->stimo_data = stcb->asoc.timodata; 2669 stimo->stimo_sack = stcb->asoc.timosack; 2670 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2671 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2672 stimo->stimo_cookie = stcb->asoc.timocookie; 2673 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2674 SCTP_TCB_UNLOCK(stcb); 2675 *optsize = sizeof(struct sctp_timeouts); 2676 } else { 2677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2678 error = EINVAL; 2679 } 2680 break; 2681 } 2682 case SCTP_ASSOCINFO: 2683 { 2684 struct sctp_assocparams *sasoc; 2685 2686 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2687 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2688 2689 if (stcb) { 2690 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2691 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2692 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2693 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2694 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2695 SCTP_TCB_UNLOCK(stcb); 2696 } else { 2697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2699 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2700 SCTP_INP_RLOCK(inp); 2701 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2702 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2703 sasoc->sasoc_number_peer_destinations = 0; 2704 sasoc->sasoc_peer_rwnd = 0; 2705 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2706 SCTP_INP_RUNLOCK(inp); 2707 } else { 2708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2709 error = EINVAL; 2710 } 2711 } 2712 if (error == 0) { 2713 *optsize = sizeof(struct sctp_assocparams); 2714 } 2715 break; 2716 } 2717 case SCTP_DEFAULT_SEND_PARAM: 2718 { 2719 struct sctp_sndrcvinfo *s_info; 2720 2721 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2722 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2723 2724 if (stcb) { 2725 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2726 SCTP_TCB_UNLOCK(stcb); 2727 } else { 2728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2730 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2731 SCTP_INP_RLOCK(inp); 2732 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2733 SCTP_INP_RUNLOCK(inp); 2734 } else { 2735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2736 error = EINVAL; 2737 } 2738 } 2739 if (error == 0) { 2740 *optsize = sizeof(struct sctp_sndrcvinfo); 2741 } 2742 break; 2743 } 2744 case SCTP_INITMSG: 2745 { 2746 struct sctp_initmsg *sinit; 2747 2748 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2749 SCTP_INP_RLOCK(inp); 2750 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2751 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2752 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2753 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2754 SCTP_INP_RUNLOCK(inp); 2755 *optsize = sizeof(struct sctp_initmsg); 2756 break; 2757 } 2758 case SCTP_PRIMARY_ADDR: 2759 /* we allow a "get" operation on this */ 2760 { 2761 struct sctp_setprim *ssp; 2762 2763 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2764 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2765 2766 if (stcb) { 2767 /* simply copy out the sockaddr_storage... */ 2768 size_t len; 2769 2770 len = *optsize; 2771 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2772 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2773 2774 memcpy(&ssp->ssp_addr, 2775 &stcb->asoc.primary_destination->ro._l_addr, 2776 len); 2777 SCTP_TCB_UNLOCK(stcb); 2778 *optsize = sizeof(struct sctp_setprim); 2779 } else { 2780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2781 error = EINVAL; 2782 } 2783 break; 2784 } 2785 case SCTP_HMAC_IDENT: 2786 { 2787 struct sctp_hmacalgo *shmac; 2788 sctp_hmaclist_t *hmaclist; 2789 uint32_t size; 2790 int i; 2791 2792 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2793 2794 SCTP_INP_RLOCK(inp); 2795 hmaclist = inp->sctp_ep.local_hmacs; 2796 if (hmaclist == NULL) { 2797 /* no HMACs to return */ 2798 *optsize = sizeof(*shmac); 2799 SCTP_INP_RUNLOCK(inp); 2800 break; 2801 } 2802 /* is there room for all of the hmac ids? */ 2803 size = sizeof(*shmac) + (hmaclist->num_algo * 2804 sizeof(shmac->shmac_idents[0])); 2805 if ((size_t)(*optsize) < size) { 2806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2807 error = EINVAL; 2808 SCTP_INP_RUNLOCK(inp); 2809 break; 2810 } 2811 /* copy in the list */ 2812 shmac->shmac_number_of_idents = hmaclist->num_algo; 2813 for (i = 0; i < hmaclist->num_algo; i++) { 2814 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2815 } 2816 SCTP_INP_RUNLOCK(inp); 2817 *optsize = size; 2818 break; 2819 } 2820 case SCTP_AUTH_ACTIVE_KEY: 2821 { 2822 struct sctp_authkeyid *scact; 2823 2824 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2825 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2826 2827 if (stcb) { 2828 /* get the active key on the assoc */ 2829 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2830 SCTP_TCB_UNLOCK(stcb); 2831 } else { 2832 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2833 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2834 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2835 /* get the endpoint active key */ 2836 SCTP_INP_RLOCK(inp); 2837 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2838 SCTP_INP_RUNLOCK(inp); 2839 } else { 2840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2841 error = EINVAL; 2842 } 2843 } 2844 if (error == 0) { 2845 *optsize = sizeof(struct sctp_authkeyid); 2846 } 2847 break; 2848 } 2849 case SCTP_LOCAL_AUTH_CHUNKS: 2850 { 2851 struct sctp_authchunks *sac; 2852 sctp_auth_chklist_t *chklist = NULL; 2853 size_t size = 0; 2854 2855 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2856 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2857 2858 if (stcb) { 2859 /* get off the assoc */ 2860 chklist = stcb->asoc.local_auth_chunks; 2861 /* is there enough space? */ 2862 size = sctp_auth_get_chklist_size(chklist); 2863 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2864 error = EINVAL; 2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2866 } else { 2867 /* copy in the chunks */ 2868 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2869 sac->gauth_number_of_chunks = (uint32_t) size; 2870 *optsize = sizeof(struct sctp_authchunks) + size; 2871 } 2872 SCTP_TCB_UNLOCK(stcb); 2873 } else { 2874 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2876 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2877 /* get off the endpoint */ 2878 SCTP_INP_RLOCK(inp); 2879 chklist = inp->sctp_ep.local_auth_chunks; 2880 /* is there enough space? */ 2881 size = sctp_auth_get_chklist_size(chklist); 2882 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2883 error = EINVAL; 2884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2885 } else { 2886 /* copy in the chunks */ 2887 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2888 sac->gauth_number_of_chunks = (uint32_t) size; 2889 *optsize = sizeof(struct sctp_authchunks) + size; 2890 } 2891 SCTP_INP_RUNLOCK(inp); 2892 } else { 2893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2894 error = EINVAL; 2895 } 2896 } 2897 break; 2898 } 2899 case SCTP_PEER_AUTH_CHUNKS: 2900 { 2901 struct sctp_authchunks *sac; 2902 sctp_auth_chklist_t *chklist = NULL; 2903 size_t size = 0; 2904 2905 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2906 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2907 2908 if (stcb) { 2909 /* get off the assoc */ 2910 chklist = stcb->asoc.peer_auth_chunks; 2911 /* is there enough space? */ 2912 size = sctp_auth_get_chklist_size(chklist); 2913 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2914 error = EINVAL; 2915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2916 } else { 2917 /* copy in the chunks */ 2918 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2919 sac->gauth_number_of_chunks = (uint32_t) size; 2920 *optsize = sizeof(struct sctp_authchunks) + size; 2921 } 2922 SCTP_TCB_UNLOCK(stcb); 2923 } else { 2924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2925 error = ENOENT; 2926 } 2927 break; 2928 } 2929 case SCTP_EVENT: 2930 { 2931 struct sctp_event *event; 2932 uint32_t event_type; 2933 2934 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2935 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2936 2937 switch (event->se_type) { 2938 case SCTP_ASSOC_CHANGE: 2939 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2940 break; 2941 case SCTP_PEER_ADDR_CHANGE: 2942 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2943 break; 2944 case SCTP_REMOTE_ERROR: 2945 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2946 break; 2947 case SCTP_SEND_FAILED: 2948 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2949 break; 2950 case SCTP_SHUTDOWN_EVENT: 2951 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2952 break; 2953 case SCTP_ADAPTATION_INDICATION: 2954 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2955 break; 2956 case SCTP_PARTIAL_DELIVERY_EVENT: 2957 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2958 break; 2959 case SCTP_AUTHENTICATION_EVENT: 2960 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2961 break; 2962 case SCTP_STREAM_RESET_EVENT: 2963 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2964 break; 2965 case SCTP_SENDER_DRY_EVENT: 2966 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2967 break; 2968 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2969 event_type = 0; 2970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2971 error = ENOTSUP; 2972 break; 2973 case SCTP_ASSOC_RESET_EVENT: 2974 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2975 break; 2976 case SCTP_STREAM_CHANGE_EVENT: 2977 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2978 break; 2979 case SCTP_SEND_FAILED_EVENT: 2980 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2981 break; 2982 default: 2983 event_type = 0; 2984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2985 error = EINVAL; 2986 break; 2987 } 2988 if (event_type > 0) { 2989 if (stcb) { 2990 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2991 SCTP_TCB_UNLOCK(stcb); 2992 } else { 2993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2994 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2995 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 2996 SCTP_INP_RLOCK(inp); 2997 event->se_on = sctp_is_feature_on(inp, event_type); 2998 SCTP_INP_RUNLOCK(inp); 2999 } else { 3000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3001 error = EINVAL; 3002 } 3003 } 3004 } 3005 if (error == 0) { 3006 *optsize = sizeof(struct sctp_event); 3007 } 3008 break; 3009 } 3010 case SCTP_RECVRCVINFO: 3011 { 3012 int onoff; 3013 3014 if (*optsize < sizeof(int)) { 3015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3016 error = EINVAL; 3017 } else { 3018 SCTP_INP_RLOCK(inp); 3019 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3020 SCTP_INP_RUNLOCK(inp); 3021 } 3022 if (error == 0) { 3023 /* return the option value */ 3024 *(int *)optval = onoff; 3025 *optsize = sizeof(int); 3026 } 3027 break; 3028 } 3029 case SCTP_RECVNXTINFO: 3030 { 3031 int onoff; 3032 3033 if (*optsize < sizeof(int)) { 3034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3035 error = EINVAL; 3036 } else { 3037 SCTP_INP_RLOCK(inp); 3038 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3039 SCTP_INP_RUNLOCK(inp); 3040 } 3041 if (error == 0) { 3042 /* return the option value */ 3043 *(int *)optval = onoff; 3044 *optsize = sizeof(int); 3045 } 3046 break; 3047 } 3048 case SCTP_DEFAULT_SNDINFO: 3049 { 3050 struct sctp_sndinfo *info; 3051 3052 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3053 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3054 3055 if (stcb) { 3056 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3057 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3058 info->snd_flags &= 0xfff0; 3059 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3060 info->snd_context = stcb->asoc.def_send.sinfo_context; 3061 SCTP_TCB_UNLOCK(stcb); 3062 } else { 3063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3064 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3065 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3066 SCTP_INP_RLOCK(inp); 3067 info->snd_sid = inp->def_send.sinfo_stream; 3068 info->snd_flags = inp->def_send.sinfo_flags; 3069 info->snd_flags &= 0xfff0; 3070 info->snd_ppid = inp->def_send.sinfo_ppid; 3071 info->snd_context = inp->def_send.sinfo_context; 3072 SCTP_INP_RUNLOCK(inp); 3073 } else { 3074 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3075 error = EINVAL; 3076 } 3077 } 3078 if (error == 0) { 3079 *optsize = sizeof(struct sctp_sndinfo); 3080 } 3081 break; 3082 } 3083 case SCTP_DEFAULT_PRINFO: 3084 { 3085 struct sctp_default_prinfo *info; 3086 3087 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3088 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3089 3090 if (stcb) { 3091 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3092 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3093 SCTP_TCB_UNLOCK(stcb); 3094 } else { 3095 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3096 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3097 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3098 SCTP_INP_RLOCK(inp); 3099 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3100 info->pr_value = inp->def_send.sinfo_timetolive; 3101 SCTP_INP_RUNLOCK(inp); 3102 } else { 3103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3104 error = EINVAL; 3105 } 3106 } 3107 if (error == 0) { 3108 *optsize = sizeof(struct sctp_default_prinfo); 3109 } 3110 break; 3111 } 3112 case SCTP_PEER_ADDR_THLDS: 3113 { 3114 struct sctp_paddrthlds *thlds; 3115 struct sctp_nets *net; 3116 3117 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3118 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3119 3120 net = NULL; 3121 if (stcb) { 3122 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3123 } else { 3124 /* 3125 * We increment here since 3126 * sctp_findassociation_ep_addr() wil do a 3127 * decrement if it finds the stcb as long as 3128 * the locked tcb (last argument) is NOT a 3129 * TCB.. aka NULL. 3130 */ 3131 SCTP_INP_INCR_REF(inp); 3132 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3133 if (stcb == NULL) { 3134 SCTP_INP_DECR_REF(inp); 3135 } 3136 } 3137 if (stcb && (net == NULL)) { 3138 struct sockaddr *sa; 3139 3140 sa = (struct sockaddr *)&thlds->spt_address; 3141 #ifdef INET 3142 if (sa->sa_family == AF_INET) { 3143 struct sockaddr_in *sin; 3144 3145 sin = (struct sockaddr_in *)sa; 3146 if (sin->sin_addr.s_addr) { 3147 error = EINVAL; 3148 SCTP_TCB_UNLOCK(stcb); 3149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3150 break; 3151 } 3152 } else 3153 #endif 3154 #ifdef INET6 3155 if (sa->sa_family == AF_INET6) { 3156 struct sockaddr_in6 *sin6; 3157 3158 sin6 = (struct sockaddr_in6 *)sa; 3159 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3160 error = EINVAL; 3161 SCTP_TCB_UNLOCK(stcb); 3162 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3163 break; 3164 } 3165 } else 3166 #endif 3167 { 3168 error = EAFNOSUPPORT; 3169 SCTP_TCB_UNLOCK(stcb); 3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3171 break; 3172 } 3173 } 3174 if (stcb) { 3175 if (net) { 3176 thlds->spt_pathmaxrxt = net->failure_threshold; 3177 thlds->spt_pathpfthld = net->pf_threshold; 3178 } else { 3179 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3180 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3181 } 3182 thlds->spt_assoc_id = sctp_get_associd(stcb); 3183 SCTP_TCB_UNLOCK(stcb); 3184 } else { 3185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3187 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3188 /* Use endpoint defaults */ 3189 SCTP_INP_RLOCK(inp); 3190 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3191 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3192 SCTP_INP_RUNLOCK(inp); 3193 } else { 3194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3195 error = EINVAL; 3196 } 3197 } 3198 if (error == 0) { 3199 *optsize = sizeof(struct sctp_paddrthlds); 3200 } 3201 break; 3202 } 3203 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3204 { 3205 struct sctp_udpencaps *encaps; 3206 struct sctp_nets *net; 3207 3208 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3209 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3210 3211 if (stcb) { 3212 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3213 } else { 3214 /* 3215 * We increment here since 3216 * sctp_findassociation_ep_addr() wil do a 3217 * decrement if it finds the stcb as long as 3218 * the locked tcb (last argument) is NOT a 3219 * TCB.. aka NULL. 3220 */ 3221 net = NULL; 3222 SCTP_INP_INCR_REF(inp); 3223 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3224 if (stcb == NULL) { 3225 SCTP_INP_DECR_REF(inp); 3226 } 3227 } 3228 if (stcb && (net == NULL)) { 3229 struct sockaddr *sa; 3230 3231 sa = (struct sockaddr *)&encaps->sue_address; 3232 #ifdef INET 3233 if (sa->sa_family == AF_INET) { 3234 struct sockaddr_in *sin; 3235 3236 sin = (struct sockaddr_in *)sa; 3237 if (sin->sin_addr.s_addr) { 3238 error = EINVAL; 3239 SCTP_TCB_UNLOCK(stcb); 3240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3241 break; 3242 } 3243 } else 3244 #endif 3245 #ifdef INET6 3246 if (sa->sa_family == AF_INET6) { 3247 struct sockaddr_in6 *sin6; 3248 3249 sin6 = (struct sockaddr_in6 *)sa; 3250 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3251 error = EINVAL; 3252 SCTP_TCB_UNLOCK(stcb); 3253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3254 break; 3255 } 3256 } else 3257 #endif 3258 { 3259 error = EAFNOSUPPORT; 3260 SCTP_TCB_UNLOCK(stcb); 3261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3262 break; 3263 } 3264 } 3265 if (stcb) { 3266 if (net) { 3267 encaps->sue_port = net->port; 3268 } else { 3269 encaps->sue_port = stcb->asoc.port; 3270 } 3271 SCTP_TCB_UNLOCK(stcb); 3272 } else { 3273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3274 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3275 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3276 SCTP_INP_RLOCK(inp); 3277 encaps->sue_port = inp->sctp_ep.port; 3278 SCTP_INP_RUNLOCK(inp); 3279 } else { 3280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3281 error = EINVAL; 3282 } 3283 } 3284 if (error == 0) { 3285 *optsize = sizeof(struct sctp_udpencaps); 3286 } 3287 break; 3288 } 3289 case SCTP_ENABLE_STREAM_RESET: 3290 { 3291 struct sctp_assoc_value *av; 3292 3293 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3294 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3295 3296 if (stcb) { 3297 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3298 SCTP_TCB_UNLOCK(stcb); 3299 } else { 3300 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3301 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3302 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3303 SCTP_INP_RLOCK(inp); 3304 av->assoc_value = (uint32_t) inp->local_strreset_support; 3305 SCTP_INP_RUNLOCK(inp); 3306 } else { 3307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3308 error = EINVAL; 3309 } 3310 } 3311 if (error == 0) { 3312 *optsize = sizeof(struct sctp_assoc_value); 3313 } 3314 break; 3315 } 3316 default: 3317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3318 error = ENOPROTOOPT; 3319 break; 3320 } /* end switch (sopt->sopt_name) */ 3321 if (error) { 3322 *optsize = 0; 3323 } 3324 return (error); 3325 } 3326 3327 static int 3328 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3329 void *p) 3330 { 3331 int error, set_opt; 3332 uint32_t *mopt; 3333 struct sctp_tcb *stcb = NULL; 3334 struct sctp_inpcb *inp = NULL; 3335 uint32_t vrf_id; 3336 3337 if (optval == NULL) { 3338 SCTP_PRINTF("optval is NULL\n"); 3339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3340 return (EINVAL); 3341 } 3342 inp = (struct sctp_inpcb *)so->so_pcb; 3343 if (inp == NULL) { 3344 SCTP_PRINTF("inp is NULL?\n"); 3345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3346 return (EINVAL); 3347 } 3348 vrf_id = inp->def_vrf_id; 3349 3350 error = 0; 3351 switch (optname) { 3352 case SCTP_NODELAY: 3353 case SCTP_AUTOCLOSE: 3354 case SCTP_AUTO_ASCONF: 3355 case SCTP_EXPLICIT_EOR: 3356 case SCTP_DISABLE_FRAGMENTS: 3357 case SCTP_USE_EXT_RCVINFO: 3358 case SCTP_I_WANT_MAPPED_V4_ADDR: 3359 /* copy in the option value */ 3360 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3361 set_opt = 0; 3362 if (error) 3363 break; 3364 switch (optname) { 3365 case SCTP_DISABLE_FRAGMENTS: 3366 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3367 break; 3368 case SCTP_AUTO_ASCONF: 3369 /* 3370 * NOTE: we don't really support this flag 3371 */ 3372 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3373 /* only valid for bound all sockets */ 3374 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3375 (*mopt != 0)) { 3376 /* forbidden by admin */ 3377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3378 return (EPERM); 3379 } 3380 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3381 } else { 3382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3383 return (EINVAL); 3384 } 3385 break; 3386 case SCTP_EXPLICIT_EOR: 3387 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3388 break; 3389 case SCTP_USE_EXT_RCVINFO: 3390 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3391 break; 3392 case SCTP_I_WANT_MAPPED_V4_ADDR: 3393 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3394 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3395 } else { 3396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3397 return (EINVAL); 3398 } 3399 break; 3400 case SCTP_NODELAY: 3401 set_opt = SCTP_PCB_FLAGS_NODELAY; 3402 break; 3403 case SCTP_AUTOCLOSE: 3404 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3405 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3407 return (EINVAL); 3408 } 3409 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3410 /* 3411 * The value is in ticks. Note this does not effect 3412 * old associations, only new ones. 3413 */ 3414 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3415 break; 3416 } 3417 SCTP_INP_WLOCK(inp); 3418 if (*mopt != 0) { 3419 sctp_feature_on(inp, set_opt); 3420 } else { 3421 sctp_feature_off(inp, set_opt); 3422 } 3423 SCTP_INP_WUNLOCK(inp); 3424 break; 3425 case SCTP_REUSE_PORT: 3426 { 3427 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3429 /* Can't set it after we are bound */ 3430 error = EINVAL; 3431 break; 3432 } 3433 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3434 /* Can't do this for a 1-m socket */ 3435 error = EINVAL; 3436 break; 3437 } 3438 if (optval) 3439 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3440 else 3441 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3442 break; 3443 } 3444 case SCTP_PARTIAL_DELIVERY_POINT: 3445 { 3446 uint32_t *value; 3447 3448 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3449 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3451 error = EINVAL; 3452 break; 3453 } 3454 inp->partial_delivery_point = *value; 3455 break; 3456 } 3457 case SCTP_FRAGMENT_INTERLEAVE: 3458 /* not yet until we re-write sctp_recvmsg() */ 3459 { 3460 uint32_t *level; 3461 3462 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3463 if (*level == SCTP_FRAG_LEVEL_2) { 3464 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3465 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3466 } else if (*level == SCTP_FRAG_LEVEL_1) { 3467 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3468 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3469 } else if (*level == SCTP_FRAG_LEVEL_0) { 3470 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3471 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3472 3473 } else { 3474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3475 error = EINVAL; 3476 } 3477 break; 3478 } 3479 case SCTP_CMT_ON_OFF: 3480 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3481 struct sctp_assoc_value *av; 3482 3483 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3484 if (av->assoc_value > SCTP_CMT_MAX) { 3485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3486 error = EINVAL; 3487 break; 3488 } 3489 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3490 if (stcb) { 3491 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3492 SCTP_TCB_UNLOCK(stcb); 3493 } else { 3494 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3495 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3496 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3497 (av->assoc_id == SCTP_ALL_ASSOC)) { 3498 SCTP_INP_WLOCK(inp); 3499 inp->sctp_cmt_on_off = av->assoc_value; 3500 SCTP_INP_WUNLOCK(inp); 3501 } 3502 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3503 (av->assoc_id == SCTP_ALL_ASSOC)) { 3504 SCTP_INP_RLOCK(inp); 3505 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3506 SCTP_TCB_LOCK(stcb); 3507 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3508 SCTP_TCB_UNLOCK(stcb); 3509 } 3510 SCTP_INP_RUNLOCK(inp); 3511 } 3512 } 3513 } else { 3514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3515 error = ENOPROTOOPT; 3516 } 3517 break; 3518 case SCTP_PLUGGABLE_CC: 3519 { 3520 struct sctp_assoc_value *av; 3521 struct sctp_nets *net; 3522 3523 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3524 if ((av->assoc_value != SCTP_CC_RFC2581) && 3525 (av->assoc_value != SCTP_CC_HSTCP) && 3526 (av->assoc_value != SCTP_CC_HTCP) && 3527 (av->assoc_value != SCTP_CC_RTCC)) { 3528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3529 error = EINVAL; 3530 break; 3531 } 3532 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3533 if (stcb) { 3534 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3535 stcb->asoc.congestion_control_module = av->assoc_value; 3536 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3537 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3538 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3539 } 3540 } 3541 SCTP_TCB_UNLOCK(stcb); 3542 } else { 3543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3545 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3546 (av->assoc_id == SCTP_ALL_ASSOC)) { 3547 SCTP_INP_WLOCK(inp); 3548 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3549 SCTP_INP_WUNLOCK(inp); 3550 } 3551 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3552 (av->assoc_id == SCTP_ALL_ASSOC)) { 3553 SCTP_INP_RLOCK(inp); 3554 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3555 SCTP_TCB_LOCK(stcb); 3556 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3557 stcb->asoc.congestion_control_module = av->assoc_value; 3558 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3559 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3560 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3561 } 3562 } 3563 SCTP_TCB_UNLOCK(stcb); 3564 } 3565 SCTP_INP_RUNLOCK(inp); 3566 } 3567 } 3568 break; 3569 } 3570 case SCTP_CC_OPTION: 3571 { 3572 struct sctp_cc_option *cc_opt; 3573 3574 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3575 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3576 if (stcb == NULL) { 3577 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3578 SCTP_INP_RLOCK(inp); 3579 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3580 SCTP_TCB_LOCK(stcb); 3581 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3582 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3583 } 3584 SCTP_TCB_UNLOCK(stcb); 3585 } 3586 SCTP_INP_RUNLOCK(inp); 3587 } else { 3588 error = EINVAL; 3589 } 3590 } else { 3591 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3592 error = ENOTSUP; 3593 } else { 3594 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3595 cc_opt); 3596 } 3597 SCTP_TCB_UNLOCK(stcb); 3598 } 3599 break; 3600 } 3601 case SCTP_PLUGGABLE_SS: 3602 { 3603 struct sctp_assoc_value *av; 3604 3605 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3606 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3607 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3608 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3609 (av->assoc_value != SCTP_SS_PRIORITY) && 3610 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3611 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3613 error = EINVAL; 3614 break; 3615 } 3616 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3617 if (stcb) { 3618 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3619 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3620 stcb->asoc.stream_scheduling_module = av->assoc_value; 3621 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3622 SCTP_TCB_UNLOCK(stcb); 3623 } else { 3624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3626 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3627 (av->assoc_id == SCTP_ALL_ASSOC)) { 3628 SCTP_INP_WLOCK(inp); 3629 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3630 SCTP_INP_WUNLOCK(inp); 3631 } 3632 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3633 (av->assoc_id == SCTP_ALL_ASSOC)) { 3634 SCTP_INP_RLOCK(inp); 3635 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3636 SCTP_TCB_LOCK(stcb); 3637 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3638 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3639 stcb->asoc.stream_scheduling_module = av->assoc_value; 3640 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3641 SCTP_TCB_UNLOCK(stcb); 3642 } 3643 SCTP_INP_RUNLOCK(inp); 3644 } 3645 } 3646 break; 3647 } 3648 case SCTP_SS_VALUE: 3649 { 3650 struct sctp_stream_value *av; 3651 3652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3653 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3654 if (stcb) { 3655 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3656 av->stream_value) < 0) { 3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3658 error = EINVAL; 3659 } 3660 SCTP_TCB_UNLOCK(stcb); 3661 } else { 3662 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3663 SCTP_INP_RLOCK(inp); 3664 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3665 SCTP_TCB_LOCK(stcb); 3666 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3667 &stcb->asoc, 3668 &stcb->asoc.strmout[av->stream_id], 3669 av->stream_value); 3670 SCTP_TCB_UNLOCK(stcb); 3671 } 3672 SCTP_INP_RUNLOCK(inp); 3673 3674 } else { 3675 /* 3676 * Can't set stream value without 3677 * association 3678 */ 3679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3680 error = EINVAL; 3681 } 3682 } 3683 break; 3684 } 3685 case SCTP_CLR_STAT_LOG: 3686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3687 error = EOPNOTSUPP; 3688 break; 3689 case SCTP_CONTEXT: 3690 { 3691 struct sctp_assoc_value *av; 3692 3693 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3694 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3695 3696 if (stcb) { 3697 stcb->asoc.context = av->assoc_value; 3698 SCTP_TCB_UNLOCK(stcb); 3699 } else { 3700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3702 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3703 (av->assoc_id == SCTP_ALL_ASSOC)) { 3704 SCTP_INP_WLOCK(inp); 3705 inp->sctp_context = av->assoc_value; 3706 SCTP_INP_WUNLOCK(inp); 3707 } 3708 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3709 (av->assoc_id == SCTP_ALL_ASSOC)) { 3710 SCTP_INP_RLOCK(inp); 3711 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3712 SCTP_TCB_LOCK(stcb); 3713 stcb->asoc.context = av->assoc_value; 3714 SCTP_TCB_UNLOCK(stcb); 3715 } 3716 SCTP_INP_RUNLOCK(inp); 3717 } 3718 } 3719 break; 3720 } 3721 case SCTP_VRF_ID: 3722 { 3723 uint32_t *default_vrfid; 3724 3725 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3726 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3728 error = EINVAL; 3729 break; 3730 } 3731 inp->def_vrf_id = *default_vrfid; 3732 break; 3733 } 3734 case SCTP_DEL_VRF_ID: 3735 { 3736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3737 error = EOPNOTSUPP; 3738 break; 3739 } 3740 case SCTP_ADD_VRF_ID: 3741 { 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3743 error = EOPNOTSUPP; 3744 break; 3745 } 3746 case SCTP_DELAYED_SACK: 3747 { 3748 struct sctp_sack_info *sack; 3749 3750 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3751 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3752 if (sack->sack_delay) { 3753 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3754 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3755 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3756 sack->sack_delay = TICKS_TO_MSEC(1); 3757 } 3758 } 3759 if (stcb) { 3760 if (sack->sack_delay) { 3761 stcb->asoc.delayed_ack = sack->sack_delay; 3762 } 3763 if (sack->sack_freq) { 3764 stcb->asoc.sack_freq = sack->sack_freq; 3765 } 3766 SCTP_TCB_UNLOCK(stcb); 3767 } else { 3768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3770 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3771 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3772 SCTP_INP_WLOCK(inp); 3773 if (sack->sack_delay) { 3774 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3775 } 3776 if (sack->sack_freq) { 3777 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3778 } 3779 SCTP_INP_WUNLOCK(inp); 3780 } 3781 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3782 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3783 SCTP_INP_RLOCK(inp); 3784 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3785 SCTP_TCB_LOCK(stcb); 3786 if (sack->sack_delay) { 3787 stcb->asoc.delayed_ack = sack->sack_delay; 3788 } 3789 if (sack->sack_freq) { 3790 stcb->asoc.sack_freq = sack->sack_freq; 3791 } 3792 SCTP_TCB_UNLOCK(stcb); 3793 } 3794 SCTP_INP_RUNLOCK(inp); 3795 } 3796 } 3797 break; 3798 } 3799 case SCTP_AUTH_CHUNK: 3800 { 3801 struct sctp_authchunk *sauth; 3802 3803 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3804 3805 SCTP_INP_WLOCK(inp); 3806 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3808 error = EINVAL; 3809 } 3810 SCTP_INP_WUNLOCK(inp); 3811 break; 3812 } 3813 case SCTP_AUTH_KEY: 3814 { 3815 struct sctp_authkey *sca; 3816 struct sctp_keyhead *shared_keys; 3817 sctp_sharedkey_t *shared_key; 3818 sctp_key_t *key = NULL; 3819 size_t size; 3820 3821 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3822 if (sca->sca_keylength == 0) { 3823 size = optsize - sizeof(struct sctp_authkey); 3824 } else { 3825 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3826 size = sca->sca_keylength; 3827 } else { 3828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3829 error = EINVAL; 3830 break; 3831 } 3832 } 3833 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3834 3835 if (stcb) { 3836 shared_keys = &stcb->asoc.shared_keys; 3837 /* clear the cached keys for this key id */ 3838 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3839 /* 3840 * create the new shared key and 3841 * insert/replace it 3842 */ 3843 if (size > 0) { 3844 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3845 if (key == NULL) { 3846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3847 error = ENOMEM; 3848 SCTP_TCB_UNLOCK(stcb); 3849 break; 3850 } 3851 } 3852 shared_key = sctp_alloc_sharedkey(); 3853 if (shared_key == NULL) { 3854 sctp_free_key(key); 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3856 error = ENOMEM; 3857 SCTP_TCB_UNLOCK(stcb); 3858 break; 3859 } 3860 shared_key->key = key; 3861 shared_key->keyid = sca->sca_keynumber; 3862 error = sctp_insert_sharedkey(shared_keys, shared_key); 3863 SCTP_TCB_UNLOCK(stcb); 3864 } else { 3865 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3866 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3867 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3868 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3869 SCTP_INP_WLOCK(inp); 3870 shared_keys = &inp->sctp_ep.shared_keys; 3871 /* 3872 * clear the cached keys on all 3873 * assocs for this key id 3874 */ 3875 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3876 /* 3877 * create the new shared key and 3878 * insert/replace it 3879 */ 3880 if (size > 0) { 3881 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3882 if (key == NULL) { 3883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3884 error = ENOMEM; 3885 SCTP_INP_WUNLOCK(inp); 3886 break; 3887 } 3888 } 3889 shared_key = sctp_alloc_sharedkey(); 3890 if (shared_key == NULL) { 3891 sctp_free_key(key); 3892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3893 error = ENOMEM; 3894 SCTP_INP_WUNLOCK(inp); 3895 break; 3896 } 3897 shared_key->key = key; 3898 shared_key->keyid = sca->sca_keynumber; 3899 error = sctp_insert_sharedkey(shared_keys, shared_key); 3900 SCTP_INP_WUNLOCK(inp); 3901 } 3902 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3903 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3904 SCTP_INP_RLOCK(inp); 3905 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3906 SCTP_TCB_LOCK(stcb); 3907 shared_keys = &stcb->asoc.shared_keys; 3908 /* 3909 * clear the cached keys for 3910 * this key id 3911 */ 3912 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3913 /* 3914 * create the new shared key 3915 * and insert/replace it 3916 */ 3917 if (size > 0) { 3918 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3919 if (key == NULL) { 3920 SCTP_TCB_UNLOCK(stcb); 3921 continue; 3922 } 3923 } 3924 shared_key = sctp_alloc_sharedkey(); 3925 if (shared_key == NULL) { 3926 sctp_free_key(key); 3927 SCTP_TCB_UNLOCK(stcb); 3928 continue; 3929 } 3930 shared_key->key = key; 3931 shared_key->keyid = sca->sca_keynumber; 3932 error = sctp_insert_sharedkey(shared_keys, shared_key); 3933 SCTP_TCB_UNLOCK(stcb); 3934 } 3935 SCTP_INP_RUNLOCK(inp); 3936 } 3937 } 3938 break; 3939 } 3940 case SCTP_HMAC_IDENT: 3941 { 3942 struct sctp_hmacalgo *shmac; 3943 sctp_hmaclist_t *hmaclist; 3944 uint16_t hmacid; 3945 uint32_t i; 3946 3947 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3948 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3950 error = EINVAL; 3951 break; 3952 } 3953 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3954 if (hmaclist == NULL) { 3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3956 error = ENOMEM; 3957 break; 3958 } 3959 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3960 hmacid = shmac->shmac_idents[i]; 3961 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3962 /* invalid HMACs were found */ ; 3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3964 error = EINVAL; 3965 sctp_free_hmaclist(hmaclist); 3966 goto sctp_set_hmac_done; 3967 } 3968 } 3969 for (i = 0; i < hmaclist->num_algo; i++) { 3970 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3971 /* already in list */ 3972 break; 3973 } 3974 } 3975 if (i == hmaclist->num_algo) { 3976 /* not found in list */ 3977 sctp_free_hmaclist(hmaclist); 3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3979 error = EINVAL; 3980 break; 3981 } 3982 /* set it on the endpoint */ 3983 SCTP_INP_WLOCK(inp); 3984 if (inp->sctp_ep.local_hmacs) 3985 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3986 inp->sctp_ep.local_hmacs = hmaclist; 3987 SCTP_INP_WUNLOCK(inp); 3988 sctp_set_hmac_done: 3989 break; 3990 } 3991 case SCTP_AUTH_ACTIVE_KEY: 3992 { 3993 struct sctp_authkeyid *scact; 3994 3995 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3996 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3997 3998 /* set the active key on the right place */ 3999 if (stcb) { 4000 /* set the active key on the assoc */ 4001 if (sctp_auth_setactivekey(stcb, 4002 scact->scact_keynumber)) { 4003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4004 SCTP_FROM_SCTP_USRREQ, 4005 EINVAL); 4006 error = EINVAL; 4007 } 4008 SCTP_TCB_UNLOCK(stcb); 4009 } else { 4010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4011 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4012 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4013 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4014 SCTP_INP_WLOCK(inp); 4015 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4017 error = EINVAL; 4018 } 4019 SCTP_INP_WUNLOCK(inp); 4020 } 4021 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4022 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4023 SCTP_INP_RLOCK(inp); 4024 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4025 SCTP_TCB_LOCK(stcb); 4026 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4027 SCTP_TCB_UNLOCK(stcb); 4028 } 4029 SCTP_INP_RUNLOCK(inp); 4030 } 4031 } 4032 break; 4033 } 4034 case SCTP_AUTH_DELETE_KEY: 4035 { 4036 struct sctp_authkeyid *scdel; 4037 4038 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4039 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4040 4041 /* delete the key from the right place */ 4042 if (stcb) { 4043 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4045 error = EINVAL; 4046 } 4047 SCTP_TCB_UNLOCK(stcb); 4048 } else { 4049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4051 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4052 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4053 SCTP_INP_WLOCK(inp); 4054 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4056 error = EINVAL; 4057 } 4058 SCTP_INP_WUNLOCK(inp); 4059 } 4060 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4061 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4062 SCTP_INP_RLOCK(inp); 4063 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4064 SCTP_TCB_LOCK(stcb); 4065 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4066 SCTP_TCB_UNLOCK(stcb); 4067 } 4068 SCTP_INP_RUNLOCK(inp); 4069 } 4070 } 4071 break; 4072 } 4073 case SCTP_AUTH_DEACTIVATE_KEY: 4074 { 4075 struct sctp_authkeyid *keyid; 4076 4077 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4078 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4079 4080 /* deactivate the key from the right place */ 4081 if (stcb) { 4082 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4084 error = EINVAL; 4085 } 4086 SCTP_TCB_UNLOCK(stcb); 4087 } else { 4088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4090 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4091 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4092 SCTP_INP_WLOCK(inp); 4093 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4095 error = EINVAL; 4096 } 4097 SCTP_INP_WUNLOCK(inp); 4098 } 4099 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4100 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4101 SCTP_INP_RLOCK(inp); 4102 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4103 SCTP_TCB_LOCK(stcb); 4104 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4105 SCTP_TCB_UNLOCK(stcb); 4106 } 4107 SCTP_INP_RUNLOCK(inp); 4108 } 4109 } 4110 break; 4111 } 4112 case SCTP_ENABLE_STREAM_RESET: 4113 { 4114 struct sctp_assoc_value *av; 4115 4116 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4117 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4119 error = EINVAL; 4120 break; 4121 } 4122 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4123 if (stcb) { 4124 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4125 SCTP_TCB_UNLOCK(stcb); 4126 } else { 4127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4128 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4129 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4130 (av->assoc_id == SCTP_ALL_ASSOC)) { 4131 SCTP_INP_WLOCK(inp); 4132 inp->local_strreset_support = (uint8_t) av->assoc_value; 4133 SCTP_INP_WUNLOCK(inp); 4134 } 4135 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4136 (av->assoc_id == SCTP_ALL_ASSOC)) { 4137 SCTP_INP_RLOCK(inp); 4138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4139 SCTP_TCB_LOCK(stcb); 4140 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4141 SCTP_TCB_UNLOCK(stcb); 4142 } 4143 SCTP_INP_RUNLOCK(inp); 4144 } 4145 } 4146 break; 4147 } 4148 case SCTP_RESET_STREAMS: 4149 { 4150 struct sctp_reset_streams *strrst; 4151 int i, send_out = 0; 4152 int send_in = 0; 4153 4154 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4155 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4156 if (stcb == NULL) { 4157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4158 error = ENOENT; 4159 break; 4160 } 4161 if (stcb->asoc.peer_supports_strreset == 0) { 4162 /* 4163 * Peer does not support the chunk type. 4164 */ 4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4166 error = EOPNOTSUPP; 4167 SCTP_TCB_UNLOCK(stcb); 4168 break; 4169 } 4170 if (stcb->asoc.stream_reset_outstanding) { 4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4172 error = EALREADY; 4173 SCTP_TCB_UNLOCK(stcb); 4174 break; 4175 } 4176 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4177 send_in = 1; 4178 } 4179 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4180 send_out = 1; 4181 } 4182 if ((send_in == 0) && (send_out == 0)) { 4183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4184 error = EINVAL; 4185 SCTP_TCB_UNLOCK(stcb); 4186 break; 4187 } 4188 for (i = 0; i < strrst->srs_number_streams; i++) { 4189 if ((send_in) && 4190 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4192 error = EINVAL; 4193 break; 4194 } 4195 if ((send_out) && 4196 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4198 error = EINVAL; 4199 break; 4200 } 4201 } 4202 if (error) { 4203 SCTP_TCB_UNLOCK(stcb); 4204 break; 4205 } 4206 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4207 strrst->srs_stream_list, 4208 send_out, send_in, 0, 0, 0, 0, 0); 4209 4210 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4211 SCTP_TCB_UNLOCK(stcb); 4212 break; 4213 } 4214 case SCTP_ADD_STREAMS: 4215 { 4216 struct sctp_add_streams *stradd; 4217 uint8_t addstream = 0; 4218 uint16_t add_o_strmcnt = 0; 4219 uint16_t add_i_strmcnt = 0; 4220 4221 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4222 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4223 if (stcb == NULL) { 4224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4225 error = ENOENT; 4226 break; 4227 } 4228 if (stcb->asoc.peer_supports_strreset == 0) { 4229 /* 4230 * Peer does not support the chunk type. 4231 */ 4232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4233 error = EOPNOTSUPP; 4234 SCTP_TCB_UNLOCK(stcb); 4235 break; 4236 } 4237 if (stcb->asoc.stream_reset_outstanding) { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4239 error = EALREADY; 4240 SCTP_TCB_UNLOCK(stcb); 4241 break; 4242 } 4243 if ((stradd->sas_outstrms == 0) && 4244 (stradd->sas_instrms == 0)) { 4245 error = EINVAL; 4246 goto skip_stuff; 4247 } 4248 if (stradd->sas_outstrms) { 4249 addstream = 1; 4250 /* We allocate here */ 4251 add_o_strmcnt = stradd->sas_outstrms; 4252 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4253 /* You can't have more than 64k */ 4254 error = EINVAL; 4255 goto skip_stuff; 4256 } 4257 } 4258 if (stradd->sas_instrms) { 4259 int cnt; 4260 4261 addstream |= 2; 4262 /* 4263 * We allocate inside 4264 * sctp_send_str_reset_req() 4265 */ 4266 add_i_strmcnt = stradd->sas_instrms; 4267 cnt = add_i_strmcnt; 4268 cnt += stcb->asoc.streamincnt; 4269 if (cnt > 0x0000ffff) { 4270 /* You can't have more than 64k */ 4271 error = EINVAL; 4272 goto skip_stuff; 4273 } 4274 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4275 /* More than you are allowed */ 4276 error = EINVAL; 4277 goto skip_stuff; 4278 } 4279 } 4280 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4281 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4282 skip_stuff: 4283 SCTP_TCB_UNLOCK(stcb); 4284 break; 4285 } 4286 case SCTP_RESET_ASSOC: 4287 { 4288 uint32_t *value; 4289 4290 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4291 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4292 if (stcb == NULL) { 4293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4294 error = ENOENT; 4295 break; 4296 } 4297 if (stcb->asoc.peer_supports_strreset == 0) { 4298 /* 4299 * Peer does not support the chunk type. 4300 */ 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4302 error = EOPNOTSUPP; 4303 SCTP_TCB_UNLOCK(stcb); 4304 break; 4305 } 4306 if (stcb->asoc.stream_reset_outstanding) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4308 error = EALREADY; 4309 SCTP_TCB_UNLOCK(stcb); 4310 break; 4311 } 4312 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4313 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4314 SCTP_TCB_UNLOCK(stcb); 4315 break; 4316 } 4317 case SCTP_CONNECT_X: 4318 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4320 error = EINVAL; 4321 break; 4322 } 4323 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4324 break; 4325 case SCTP_CONNECT_X_DELAYED: 4326 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4328 error = EINVAL; 4329 break; 4330 } 4331 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4332 break; 4333 case SCTP_CONNECT_X_COMPLETE: 4334 { 4335 struct sockaddr *sa; 4336 struct sctp_nets *net; 4337 4338 /* FIXME MT: check correct? */ 4339 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4340 4341 /* find tcb */ 4342 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4343 SCTP_INP_RLOCK(inp); 4344 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4345 if (stcb) { 4346 SCTP_TCB_LOCK(stcb); 4347 net = sctp_findnet(stcb, sa); 4348 } 4349 SCTP_INP_RUNLOCK(inp); 4350 } else { 4351 /* 4352 * We increment here since 4353 * sctp_findassociation_ep_addr() wil do a 4354 * decrement if it finds the stcb as long as 4355 * the locked tcb (last argument) is NOT a 4356 * TCB.. aka NULL. 4357 */ 4358 SCTP_INP_INCR_REF(inp); 4359 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4360 if (stcb == NULL) { 4361 SCTP_INP_DECR_REF(inp); 4362 } 4363 } 4364 4365 if (stcb == NULL) { 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4367 error = ENOENT; 4368 break; 4369 } 4370 if (stcb->asoc.delayed_connection == 1) { 4371 stcb->asoc.delayed_connection = 0; 4372 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4373 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4374 stcb->asoc.primary_destination, 4375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4376 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4377 } else { 4378 /* 4379 * already expired or did not use delayed 4380 * connectx 4381 */ 4382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4383 error = EALREADY; 4384 } 4385 SCTP_TCB_UNLOCK(stcb); 4386 break; 4387 } 4388 case SCTP_MAX_BURST: 4389 { 4390 struct sctp_assoc_value *av; 4391 4392 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4393 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4394 4395 if (stcb) { 4396 stcb->asoc.max_burst = av->assoc_value; 4397 SCTP_TCB_UNLOCK(stcb); 4398 } else { 4399 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4400 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4401 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4402 (av->assoc_id == SCTP_ALL_ASSOC)) { 4403 SCTP_INP_WLOCK(inp); 4404 inp->sctp_ep.max_burst = av->assoc_value; 4405 SCTP_INP_WUNLOCK(inp); 4406 } 4407 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4408 (av->assoc_id == SCTP_ALL_ASSOC)) { 4409 SCTP_INP_RLOCK(inp); 4410 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4411 SCTP_TCB_LOCK(stcb); 4412 stcb->asoc.max_burst = av->assoc_value; 4413 SCTP_TCB_UNLOCK(stcb); 4414 } 4415 SCTP_INP_RUNLOCK(inp); 4416 } 4417 } 4418 break; 4419 } 4420 case SCTP_MAXSEG: 4421 { 4422 struct sctp_assoc_value *av; 4423 int ovh; 4424 4425 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4426 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4427 4428 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4429 ovh = SCTP_MED_OVERHEAD; 4430 } else { 4431 ovh = SCTP_MED_V4_OVERHEAD; 4432 } 4433 if (stcb) { 4434 if (av->assoc_value) { 4435 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4436 } else { 4437 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4438 } 4439 SCTP_TCB_UNLOCK(stcb); 4440 } else { 4441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4442 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4443 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4444 SCTP_INP_WLOCK(inp); 4445 /* 4446 * FIXME MT: I think this is not in 4447 * tune with the API ID 4448 */ 4449 if (av->assoc_value) { 4450 inp->sctp_frag_point = (av->assoc_value + ovh); 4451 } else { 4452 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4453 } 4454 SCTP_INP_WUNLOCK(inp); 4455 } else { 4456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4457 error = EINVAL; 4458 } 4459 } 4460 break; 4461 } 4462 case SCTP_EVENTS: 4463 { 4464 struct sctp_event_subscribe *events; 4465 4466 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4467 4468 SCTP_INP_WLOCK(inp); 4469 if (events->sctp_data_io_event) { 4470 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4471 } else { 4472 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4473 } 4474 4475 if (events->sctp_association_event) { 4476 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4477 } else { 4478 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4479 } 4480 4481 if (events->sctp_address_event) { 4482 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4483 } else { 4484 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4485 } 4486 4487 if (events->sctp_send_failure_event) { 4488 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4489 } else { 4490 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4491 } 4492 4493 if (events->sctp_peer_error_event) { 4494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4495 } else { 4496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4497 } 4498 4499 if (events->sctp_shutdown_event) { 4500 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4501 } else { 4502 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4503 } 4504 4505 if (events->sctp_partial_delivery_event) { 4506 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4507 } else { 4508 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4509 } 4510 4511 if (events->sctp_adaptation_layer_event) { 4512 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4513 } else { 4514 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4515 } 4516 4517 if (events->sctp_authentication_event) { 4518 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4519 } else { 4520 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4521 } 4522 4523 if (events->sctp_sender_dry_event) { 4524 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4525 } else { 4526 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4527 } 4528 4529 if (events->sctp_stream_reset_event) { 4530 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4531 } else { 4532 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4533 } 4534 SCTP_INP_WUNLOCK(inp); 4535 4536 SCTP_INP_RLOCK(inp); 4537 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4538 SCTP_TCB_LOCK(stcb); 4539 if (events->sctp_association_event) { 4540 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4541 } else { 4542 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4543 } 4544 if (events->sctp_address_event) { 4545 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4546 } else { 4547 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4548 } 4549 if (events->sctp_send_failure_event) { 4550 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4551 } else { 4552 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4553 } 4554 if (events->sctp_peer_error_event) { 4555 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4556 } else { 4557 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4558 } 4559 if (events->sctp_shutdown_event) { 4560 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4561 } else { 4562 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4563 } 4564 if (events->sctp_partial_delivery_event) { 4565 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4566 } else { 4567 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4568 } 4569 if (events->sctp_adaptation_layer_event) { 4570 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4571 } else { 4572 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4573 } 4574 if (events->sctp_authentication_event) { 4575 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4576 } else { 4577 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4578 } 4579 if (events->sctp_sender_dry_event) { 4580 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4581 } else { 4582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4583 } 4584 if (events->sctp_stream_reset_event) { 4585 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4586 } else { 4587 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4588 } 4589 SCTP_TCB_UNLOCK(stcb); 4590 } 4591 /* 4592 * Send up the sender dry event only for 1-to-1 4593 * style sockets. 4594 */ 4595 if (events->sctp_sender_dry_event) { 4596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4598 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4599 if (stcb) { 4600 SCTP_TCB_LOCK(stcb); 4601 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4602 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4603 (stcb->asoc.stream_queue_cnt == 0)) { 4604 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4605 } 4606 SCTP_TCB_UNLOCK(stcb); 4607 } 4608 } 4609 } 4610 SCTP_INP_RUNLOCK(inp); 4611 break; 4612 } 4613 case SCTP_ADAPTATION_LAYER: 4614 { 4615 struct sctp_setadaptation *adap_bits; 4616 4617 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4618 SCTP_INP_WLOCK(inp); 4619 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4620 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4621 SCTP_INP_WUNLOCK(inp); 4622 break; 4623 } 4624 #ifdef SCTP_DEBUG 4625 case SCTP_SET_INITIAL_DBG_SEQ: 4626 { 4627 uint32_t *vvv; 4628 4629 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4630 SCTP_INP_WLOCK(inp); 4631 inp->sctp_ep.initial_sequence_debug = *vvv; 4632 SCTP_INP_WUNLOCK(inp); 4633 break; 4634 } 4635 #endif 4636 case SCTP_DEFAULT_SEND_PARAM: 4637 { 4638 struct sctp_sndrcvinfo *s_info; 4639 4640 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4641 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4642 4643 if (stcb) { 4644 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4645 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4646 } else { 4647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4648 error = EINVAL; 4649 } 4650 SCTP_TCB_UNLOCK(stcb); 4651 } else { 4652 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4653 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4654 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4655 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4656 SCTP_INP_WLOCK(inp); 4657 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4658 SCTP_INP_WUNLOCK(inp); 4659 } 4660 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4661 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4662 SCTP_INP_RLOCK(inp); 4663 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4664 SCTP_TCB_LOCK(stcb); 4665 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4666 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4667 } 4668 SCTP_TCB_UNLOCK(stcb); 4669 } 4670 SCTP_INP_RUNLOCK(inp); 4671 } 4672 } 4673 break; 4674 } 4675 case SCTP_PEER_ADDR_PARAMS: 4676 { 4677 struct sctp_paddrparams *paddrp; 4678 struct sctp_nets *net; 4679 4680 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4681 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4682 net = NULL; 4683 if (stcb) { 4684 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4685 } else { 4686 /* 4687 * We increment here since 4688 * sctp_findassociation_ep_addr() wil do a 4689 * decrement if it finds the stcb as long as 4690 * the locked tcb (last argument) is NOT a 4691 * TCB.. aka NULL. 4692 */ 4693 SCTP_INP_INCR_REF(inp); 4694 stcb = sctp_findassociation_ep_addr(&inp, 4695 (struct sockaddr *)&paddrp->spp_address, 4696 &net, NULL, NULL); 4697 if (stcb == NULL) { 4698 SCTP_INP_DECR_REF(inp); 4699 } 4700 } 4701 if (stcb && (net == NULL)) { 4702 struct sockaddr *sa; 4703 4704 sa = (struct sockaddr *)&paddrp->spp_address; 4705 #ifdef INET 4706 if (sa->sa_family == AF_INET) { 4707 4708 struct sockaddr_in *sin; 4709 4710 sin = (struct sockaddr_in *)sa; 4711 if (sin->sin_addr.s_addr) { 4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4713 SCTP_TCB_UNLOCK(stcb); 4714 error = EINVAL; 4715 break; 4716 } 4717 } else 4718 #endif 4719 #ifdef INET6 4720 if (sa->sa_family == AF_INET6) { 4721 struct sockaddr_in6 *sin6; 4722 4723 sin6 = (struct sockaddr_in6 *)sa; 4724 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4726 SCTP_TCB_UNLOCK(stcb); 4727 error = EINVAL; 4728 break; 4729 } 4730 } else 4731 #endif 4732 { 4733 error = EAFNOSUPPORT; 4734 SCTP_TCB_UNLOCK(stcb); 4735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4736 break; 4737 } 4738 } 4739 /* sanity checks */ 4740 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4741 if (stcb) 4742 SCTP_TCB_UNLOCK(stcb); 4743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4744 return (EINVAL); 4745 } 4746 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4747 if (stcb) 4748 SCTP_TCB_UNLOCK(stcb); 4749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4750 return (EINVAL); 4751 } 4752 if (stcb) { 4753 /************************TCB SPECIFIC SET ******************/ 4754 /* 4755 * do we change the timer for HB, we run 4756 * only one? 4757 */ 4758 int ovh = 0; 4759 4760 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4761 ovh = SCTP_MED_OVERHEAD; 4762 } else { 4763 ovh = SCTP_MED_V4_OVERHEAD; 4764 } 4765 4766 /* network sets ? */ 4767 if (net) { 4768 /************************NET SPECIFIC SET ******************/ 4769 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4770 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4771 !(net->dest_state & SCTP_ADDR_NOHB)) { 4772 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4773 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4774 } 4775 net->dest_state |= SCTP_ADDR_NOHB; 4776 } 4777 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4778 if (paddrp->spp_hbinterval) { 4779 net->heart_beat_delay = paddrp->spp_hbinterval; 4780 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4781 net->heart_beat_delay = 0; 4782 } 4783 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4784 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4785 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4786 net->dest_state &= ~SCTP_ADDR_NOHB; 4787 } 4788 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4789 /* on demand HB */ 4790 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4791 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4792 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4793 } 4794 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4795 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4796 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4797 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4798 } 4799 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4800 net->mtu = paddrp->spp_pathmtu + ovh; 4801 if (net->mtu < stcb->asoc.smallest_mtu) { 4802 sctp_pathmtu_adjustment(stcb, net->mtu); 4803 } 4804 } 4805 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4806 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4807 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4808 } 4809 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4810 } 4811 if (paddrp->spp_pathmaxrxt) { 4812 if (net->dest_state & SCTP_ADDR_PF) { 4813 if (net->error_count > paddrp->spp_pathmaxrxt) { 4814 net->dest_state &= ~SCTP_ADDR_PF; 4815 } 4816 } else { 4817 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4818 (net->error_count > net->pf_threshold)) { 4819 net->dest_state |= SCTP_ADDR_PF; 4820 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4821 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4822 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4823 } 4824 } 4825 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4826 if (net->error_count > paddrp->spp_pathmaxrxt) { 4827 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4828 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4829 } 4830 } else { 4831 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4832 net->dest_state |= SCTP_ADDR_REACHABLE; 4833 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4834 } 4835 } 4836 net->failure_threshold = paddrp->spp_pathmaxrxt; 4837 } 4838 if (paddrp->spp_flags & SPP_DSCP) { 4839 net->dscp = paddrp->spp_dscp & 0xfc; 4840 net->dscp |= 0x01; 4841 } 4842 #ifdef INET6 4843 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4844 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4845 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4846 net->flowlabel |= 0x80000000; 4847 } 4848 } 4849 #endif 4850 } else { 4851 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4852 if (paddrp->spp_pathmaxrxt) { 4853 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4854 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4855 if (net->dest_state & SCTP_ADDR_PF) { 4856 if (net->error_count > paddrp->spp_pathmaxrxt) { 4857 net->dest_state &= ~SCTP_ADDR_PF; 4858 } 4859 } else { 4860 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4861 (net->error_count > net->pf_threshold)) { 4862 net->dest_state |= SCTP_ADDR_PF; 4863 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4864 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4865 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4866 } 4867 } 4868 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4869 if (net->error_count > paddrp->spp_pathmaxrxt) { 4870 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4871 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4872 } 4873 } else { 4874 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4875 net->dest_state |= SCTP_ADDR_REACHABLE; 4876 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4877 } 4878 } 4879 net->failure_threshold = paddrp->spp_pathmaxrxt; 4880 } 4881 } 4882 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4883 if (paddrp->spp_hbinterval) { 4884 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4885 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4886 stcb->asoc.heart_beat_delay = 0; 4887 } 4888 /* Turn back on the timer */ 4889 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4890 if (paddrp->spp_hbinterval) { 4891 net->heart_beat_delay = paddrp->spp_hbinterval; 4892 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4893 net->heart_beat_delay = 0; 4894 } 4895 if (net->dest_state & SCTP_ADDR_NOHB) { 4896 net->dest_state &= ~SCTP_ADDR_NOHB; 4897 } 4898 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4899 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4900 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4901 } 4902 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4903 } 4904 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4905 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4906 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4907 net->dest_state |= SCTP_ADDR_NOHB; 4908 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4909 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4910 } 4911 } 4912 } 4913 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4914 } 4915 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4916 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4917 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4918 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4919 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4920 } 4921 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4922 net->mtu = paddrp->spp_pathmtu + ovh; 4923 if (net->mtu < stcb->asoc.smallest_mtu) { 4924 sctp_pathmtu_adjustment(stcb, net->mtu); 4925 } 4926 } 4927 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4928 } 4929 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4930 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4931 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4932 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4933 } 4934 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4935 } 4936 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4937 } 4938 if (paddrp->spp_flags & SPP_DSCP) { 4939 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4940 net->dscp = paddrp->spp_dscp & 0xfc; 4941 net->dscp |= 0x01; 4942 } 4943 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4944 stcb->asoc.default_dscp |= 0x01; 4945 } 4946 #ifdef INET6 4947 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4948 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4949 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4950 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4951 net->flowlabel |= 0x80000000; 4952 } 4953 } 4954 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4955 stcb->asoc.default_flowlabel |= 0x80000000; 4956 } 4957 #endif 4958 } 4959 SCTP_TCB_UNLOCK(stcb); 4960 } else { 4961 /************************NO TCB, SET TO default stuff ******************/ 4962 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4963 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4964 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4965 SCTP_INP_WLOCK(inp); 4966 /* 4967 * For the TOS/FLOWLABEL stuff you 4968 * set it with the options on the 4969 * socket 4970 */ 4971 if (paddrp->spp_pathmaxrxt) { 4972 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4973 } 4974 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4975 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4976 else if (paddrp->spp_hbinterval) { 4977 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4978 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4979 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4980 } 4981 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4982 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4983 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4984 } else if (paddrp->spp_hbinterval) { 4985 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4986 } 4987 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4988 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4989 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4990 } 4991 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4992 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4993 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4994 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4995 } 4996 if (paddrp->spp_flags & SPP_DSCP) { 4997 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 4998 inp->sctp_ep.default_dscp |= 0x01; 4999 } 5000 #ifdef INET6 5001 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5002 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5003 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5004 inp->sctp_ep.default_flowlabel |= 0x80000000; 5005 } 5006 } 5007 #endif 5008 SCTP_INP_WUNLOCK(inp); 5009 } else { 5010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5011 error = EINVAL; 5012 } 5013 } 5014 break; 5015 } 5016 case SCTP_RTOINFO: 5017 { 5018 struct sctp_rtoinfo *srto; 5019 uint32_t new_init, new_min, new_max; 5020 5021 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5022 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5023 5024 if (stcb) { 5025 if (srto->srto_initial) 5026 new_init = srto->srto_initial; 5027 else 5028 new_init = stcb->asoc.initial_rto; 5029 if (srto->srto_max) 5030 new_max = srto->srto_max; 5031 else 5032 new_max = stcb->asoc.maxrto; 5033 if (srto->srto_min) 5034 new_min = srto->srto_min; 5035 else 5036 new_min = stcb->asoc.minrto; 5037 if ((new_min <= new_init) && (new_init <= new_max)) { 5038 stcb->asoc.initial_rto = new_init; 5039 stcb->asoc.maxrto = new_max; 5040 stcb->asoc.minrto = new_min; 5041 } else { 5042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5043 error = EINVAL; 5044 } 5045 SCTP_TCB_UNLOCK(stcb); 5046 } else { 5047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5048 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5049 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5050 SCTP_INP_WLOCK(inp); 5051 if (srto->srto_initial) 5052 new_init = srto->srto_initial; 5053 else 5054 new_init = inp->sctp_ep.initial_rto; 5055 if (srto->srto_max) 5056 new_max = srto->srto_max; 5057 else 5058 new_max = inp->sctp_ep.sctp_maxrto; 5059 if (srto->srto_min) 5060 new_min = srto->srto_min; 5061 else 5062 new_min = inp->sctp_ep.sctp_minrto; 5063 if ((new_min <= new_init) && (new_init <= new_max)) { 5064 inp->sctp_ep.initial_rto = new_init; 5065 inp->sctp_ep.sctp_maxrto = new_max; 5066 inp->sctp_ep.sctp_minrto = new_min; 5067 } else { 5068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5069 error = EINVAL; 5070 } 5071 SCTP_INP_WUNLOCK(inp); 5072 } else { 5073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5074 error = EINVAL; 5075 } 5076 } 5077 break; 5078 } 5079 case SCTP_ASSOCINFO: 5080 { 5081 struct sctp_assocparams *sasoc; 5082 5083 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5084 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5085 if (sasoc->sasoc_cookie_life) { 5086 /* boundary check the cookie life */ 5087 if (sasoc->sasoc_cookie_life < 1000) 5088 sasoc->sasoc_cookie_life = 1000; 5089 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5090 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5091 } 5092 } 5093 if (stcb) { 5094 if (sasoc->sasoc_asocmaxrxt) 5095 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5096 if (sasoc->sasoc_cookie_life) { 5097 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5098 } 5099 SCTP_TCB_UNLOCK(stcb); 5100 } else { 5101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5103 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5104 SCTP_INP_WLOCK(inp); 5105 if (sasoc->sasoc_asocmaxrxt) 5106 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5107 if (sasoc->sasoc_cookie_life) { 5108 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5109 } 5110 SCTP_INP_WUNLOCK(inp); 5111 } else { 5112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5113 error = EINVAL; 5114 } 5115 } 5116 break; 5117 } 5118 case SCTP_INITMSG: 5119 { 5120 struct sctp_initmsg *sinit; 5121 5122 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5123 SCTP_INP_WLOCK(inp); 5124 if (sinit->sinit_num_ostreams) 5125 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5126 5127 if (sinit->sinit_max_instreams) 5128 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5129 5130 if (sinit->sinit_max_attempts) 5131 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5132 5133 if (sinit->sinit_max_init_timeo) 5134 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5135 SCTP_INP_WUNLOCK(inp); 5136 break; 5137 } 5138 case SCTP_PRIMARY_ADDR: 5139 { 5140 struct sctp_setprim *spa; 5141 struct sctp_nets *net; 5142 5143 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5144 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5145 5146 net = NULL; 5147 if (stcb) { 5148 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5149 } else { 5150 /* 5151 * We increment here since 5152 * sctp_findassociation_ep_addr() wil do a 5153 * decrement if it finds the stcb as long as 5154 * the locked tcb (last argument) is NOT a 5155 * TCB.. aka NULL. 5156 */ 5157 SCTP_INP_INCR_REF(inp); 5158 stcb = sctp_findassociation_ep_addr(&inp, 5159 (struct sockaddr *)&spa->ssp_addr, 5160 &net, NULL, NULL); 5161 if (stcb == NULL) { 5162 SCTP_INP_DECR_REF(inp); 5163 } 5164 } 5165 5166 if ((stcb) && (net)) { 5167 if ((net != stcb->asoc.primary_destination) && 5168 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5169 /* Ok we need to set it */ 5170 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5171 if ((stcb->asoc.alternate) && 5172 (!(net->dest_state & SCTP_ADDR_PF)) && 5173 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5174 sctp_free_remote_addr(stcb->asoc.alternate); 5175 stcb->asoc.alternate = NULL; 5176 } 5177 } 5178 } 5179 } else { 5180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5181 error = EINVAL; 5182 } 5183 if (stcb) { 5184 SCTP_TCB_UNLOCK(stcb); 5185 } 5186 break; 5187 } 5188 case SCTP_SET_DYNAMIC_PRIMARY: 5189 { 5190 union sctp_sockstore *ss; 5191 5192 error = priv_check(curthread, 5193 PRIV_NETINET_RESERVEDPORT); 5194 if (error) 5195 break; 5196 5197 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5198 /* SUPER USER CHECK? */ 5199 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5200 break; 5201 } 5202 case SCTP_SET_PEER_PRIMARY_ADDR: 5203 { 5204 struct sctp_setpeerprim *sspp; 5205 5206 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5207 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5208 if (stcb != NULL) { 5209 struct sctp_ifa *ifa; 5210 5211 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5212 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5213 if (ifa == NULL) { 5214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5215 error = EINVAL; 5216 goto out_of_it; 5217 } 5218 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5219 /* 5220 * Must validate the ifa found is in 5221 * our ep 5222 */ 5223 struct sctp_laddr *laddr; 5224 int found = 0; 5225 5226 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5227 if (laddr->ifa == NULL) { 5228 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5229 __FUNCTION__); 5230 continue; 5231 } 5232 if (laddr->ifa == ifa) { 5233 found = 1; 5234 break; 5235 } 5236 } 5237 if (!found) { 5238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5239 error = EINVAL; 5240 goto out_of_it; 5241 } 5242 } 5243 if (sctp_set_primary_ip_address_sa(stcb, 5244 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5245 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5246 error = EINVAL; 5247 } 5248 out_of_it: 5249 SCTP_TCB_UNLOCK(stcb); 5250 } else { 5251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5252 error = EINVAL; 5253 } 5254 break; 5255 } 5256 case SCTP_BINDX_ADD_ADDR: 5257 { 5258 struct sctp_getaddresses *addrs; 5259 struct thread *td; 5260 5261 td = (struct thread *)p; 5262 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5263 optsize); 5264 #ifdef INET 5265 if (addrs->addr->sa_family == AF_INET) { 5266 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5268 error = EINVAL; 5269 break; 5270 } 5271 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5272 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5273 break; 5274 } 5275 } else 5276 #endif 5277 #ifdef INET6 5278 if (addrs->addr->sa_family == AF_INET6) { 5279 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5281 error = EINVAL; 5282 break; 5283 } 5284 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5285 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5286 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5287 break; 5288 } 5289 } else 5290 #endif 5291 { 5292 error = EAFNOSUPPORT; 5293 break; 5294 } 5295 sctp_bindx_add_address(so, inp, addrs->addr, 5296 addrs->sget_assoc_id, vrf_id, 5297 &error, p); 5298 break; 5299 } 5300 case SCTP_BINDX_REM_ADDR: 5301 { 5302 struct sctp_getaddresses *addrs; 5303 struct thread *td; 5304 5305 td = (struct thread *)p; 5306 5307 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5308 #ifdef INET 5309 if (addrs->addr->sa_family == AF_INET) { 5310 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5312 error = EINVAL; 5313 break; 5314 } 5315 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5316 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5317 break; 5318 } 5319 } else 5320 #endif 5321 #ifdef INET6 5322 if (addrs->addr->sa_family == AF_INET6) { 5323 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5325 error = EINVAL; 5326 break; 5327 } 5328 if (td != NULL && 5329 (error = prison_local_ip6(td->td_ucred, 5330 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5331 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5332 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5333 break; 5334 } 5335 } else 5336 #endif 5337 { 5338 error = EAFNOSUPPORT; 5339 break; 5340 } 5341 sctp_bindx_delete_address(inp, addrs->addr, 5342 addrs->sget_assoc_id, vrf_id, 5343 &error); 5344 break; 5345 } 5346 case SCTP_EVENT: 5347 { 5348 struct sctp_event *event; 5349 uint32_t event_type; 5350 5351 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5352 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5353 switch (event->se_type) { 5354 case SCTP_ASSOC_CHANGE: 5355 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5356 break; 5357 case SCTP_PEER_ADDR_CHANGE: 5358 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5359 break; 5360 case SCTP_REMOTE_ERROR: 5361 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5362 break; 5363 case SCTP_SEND_FAILED: 5364 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5365 break; 5366 case SCTP_SHUTDOWN_EVENT: 5367 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5368 break; 5369 case SCTP_ADAPTATION_INDICATION: 5370 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5371 break; 5372 case SCTP_PARTIAL_DELIVERY_EVENT: 5373 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5374 break; 5375 case SCTP_AUTHENTICATION_EVENT: 5376 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5377 break; 5378 case SCTP_STREAM_RESET_EVENT: 5379 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5380 break; 5381 case SCTP_SENDER_DRY_EVENT: 5382 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5383 break; 5384 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5385 event_type = 0; 5386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5387 error = ENOTSUP; 5388 break; 5389 case SCTP_ASSOC_RESET_EVENT: 5390 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5391 break; 5392 case SCTP_STREAM_CHANGE_EVENT: 5393 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5394 break; 5395 case SCTP_SEND_FAILED_EVENT: 5396 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5397 break; 5398 default: 5399 event_type = 0; 5400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5401 error = EINVAL; 5402 break; 5403 } 5404 if (event_type > 0) { 5405 if (stcb) { 5406 if (event->se_on) { 5407 sctp_stcb_feature_on(inp, stcb, event_type); 5408 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5409 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5410 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5411 (stcb->asoc.stream_queue_cnt == 0)) { 5412 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5413 } 5414 } 5415 } else { 5416 sctp_stcb_feature_off(inp, stcb, event_type); 5417 } 5418 SCTP_TCB_UNLOCK(stcb); 5419 } else { 5420 /* 5421 * We don't want to send up a storm 5422 * of events, so return an error for 5423 * sender dry events 5424 */ 5425 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5426 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5427 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5428 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5429 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5431 error = ENOTSUP; 5432 break; 5433 } 5434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5436 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5437 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5438 SCTP_INP_WLOCK(inp); 5439 if (event->se_on) { 5440 sctp_feature_on(inp, event_type); 5441 } else { 5442 sctp_feature_off(inp, event_type); 5443 } 5444 SCTP_INP_WUNLOCK(inp); 5445 } 5446 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5447 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5448 SCTP_INP_RLOCK(inp); 5449 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5450 SCTP_TCB_LOCK(stcb); 5451 if (event->se_on) { 5452 sctp_stcb_feature_on(inp, stcb, event_type); 5453 } else { 5454 sctp_stcb_feature_off(inp, stcb, event_type); 5455 } 5456 SCTP_TCB_UNLOCK(stcb); 5457 } 5458 SCTP_INP_RUNLOCK(inp); 5459 } 5460 } 5461 } 5462 break; 5463 } 5464 case SCTP_RECVRCVINFO: 5465 { 5466 int *onoff; 5467 5468 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5469 SCTP_INP_WLOCK(inp); 5470 if (*onoff != 0) { 5471 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5472 } else { 5473 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5474 } 5475 SCTP_INP_WUNLOCK(inp); 5476 break; 5477 } 5478 case SCTP_RECVNXTINFO: 5479 { 5480 int *onoff; 5481 5482 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5483 SCTP_INP_WLOCK(inp); 5484 if (*onoff != 0) { 5485 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5486 } else { 5487 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5488 } 5489 SCTP_INP_WUNLOCK(inp); 5490 break; 5491 } 5492 case SCTP_DEFAULT_SNDINFO: 5493 { 5494 struct sctp_sndinfo *info; 5495 uint16_t policy; 5496 5497 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5498 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5499 5500 if (stcb) { 5501 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5502 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5503 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5504 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5505 stcb->asoc.def_send.sinfo_flags |= policy; 5506 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5507 stcb->asoc.def_send.sinfo_context = info->snd_context; 5508 } else { 5509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5510 error = EINVAL; 5511 } 5512 SCTP_TCB_UNLOCK(stcb); 5513 } else { 5514 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5515 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5516 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5517 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5518 SCTP_INP_WLOCK(inp); 5519 inp->def_send.sinfo_stream = info->snd_sid; 5520 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5521 inp->def_send.sinfo_flags = info->snd_flags; 5522 inp->def_send.sinfo_flags |= policy; 5523 inp->def_send.sinfo_ppid = info->snd_ppid; 5524 inp->def_send.sinfo_context = info->snd_context; 5525 SCTP_INP_WUNLOCK(inp); 5526 } 5527 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5528 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5529 SCTP_INP_RLOCK(inp); 5530 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5531 SCTP_TCB_LOCK(stcb); 5532 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5533 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5534 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5535 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5536 stcb->asoc.def_send.sinfo_flags |= policy; 5537 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5538 stcb->asoc.def_send.sinfo_context = info->snd_context; 5539 } 5540 SCTP_TCB_UNLOCK(stcb); 5541 } 5542 SCTP_INP_RUNLOCK(inp); 5543 } 5544 } 5545 break; 5546 } 5547 case SCTP_DEFAULT_PRINFO: 5548 { 5549 struct sctp_default_prinfo *info; 5550 5551 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5552 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5553 5554 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5556 error = EINVAL; 5557 break; 5558 } 5559 if (stcb) { 5560 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5561 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5562 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5563 SCTP_TCB_UNLOCK(stcb); 5564 } else { 5565 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5566 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5567 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5568 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5569 SCTP_INP_WLOCK(inp); 5570 inp->def_send.sinfo_flags &= 0xfff0; 5571 inp->def_send.sinfo_flags |= info->pr_policy; 5572 inp->def_send.sinfo_timetolive = info->pr_value; 5573 SCTP_INP_WUNLOCK(inp); 5574 } 5575 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5576 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5577 SCTP_INP_RLOCK(inp); 5578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5579 SCTP_TCB_LOCK(stcb); 5580 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5581 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5582 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5583 SCTP_TCB_UNLOCK(stcb); 5584 } 5585 SCTP_INP_RUNLOCK(inp); 5586 } 5587 } 5588 break; 5589 } 5590 case SCTP_PEER_ADDR_THLDS: 5591 /* Applies to the specific association */ 5592 { 5593 struct sctp_paddrthlds *thlds; 5594 struct sctp_nets *net; 5595 5596 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5597 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5598 net = NULL; 5599 if (stcb) { 5600 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5601 } else { 5602 /* 5603 * We increment here since 5604 * sctp_findassociation_ep_addr() wil do a 5605 * decrement if it finds the stcb as long as 5606 * the locked tcb (last argument) is NOT a 5607 * TCB.. aka NULL. 5608 */ 5609 SCTP_INP_INCR_REF(inp); 5610 stcb = sctp_findassociation_ep_addr(&inp, 5611 (struct sockaddr *)&thlds->spt_assoc_id, 5612 &net, NULL, NULL); 5613 if (stcb == NULL) { 5614 SCTP_INP_DECR_REF(inp); 5615 } 5616 } 5617 if (stcb && (net == NULL)) { 5618 struct sockaddr *sa; 5619 5620 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5621 #ifdef INET 5622 if (sa->sa_family == AF_INET) { 5623 5624 struct sockaddr_in *sin; 5625 5626 sin = (struct sockaddr_in *)sa; 5627 if (sin->sin_addr.s_addr) { 5628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5629 SCTP_TCB_UNLOCK(stcb); 5630 error = EINVAL; 5631 break; 5632 } 5633 } else 5634 #endif 5635 #ifdef INET6 5636 if (sa->sa_family == AF_INET6) { 5637 struct sockaddr_in6 *sin6; 5638 5639 sin6 = (struct sockaddr_in6 *)sa; 5640 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5642 SCTP_TCB_UNLOCK(stcb); 5643 error = EINVAL; 5644 break; 5645 } 5646 } else 5647 #endif 5648 { 5649 error = EAFNOSUPPORT; 5650 SCTP_TCB_UNLOCK(stcb); 5651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5652 break; 5653 } 5654 } 5655 if (stcb) { 5656 if (net) { 5657 if (net->dest_state & SCTP_ADDR_PF) { 5658 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5659 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5660 net->dest_state &= ~SCTP_ADDR_PF; 5661 } 5662 } else { 5663 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5664 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5665 net->dest_state |= SCTP_ADDR_PF; 5666 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5667 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5668 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5669 } 5670 } 5671 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5672 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5673 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5674 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5675 } 5676 } else { 5677 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5678 net->dest_state |= SCTP_ADDR_REACHABLE; 5679 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5680 } 5681 } 5682 net->failure_threshold = thlds->spt_pathmaxrxt; 5683 net->pf_threshold = thlds->spt_pathpfthld; 5684 } else { 5685 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5686 if (net->dest_state & SCTP_ADDR_PF) { 5687 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5688 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5689 net->dest_state &= ~SCTP_ADDR_PF; 5690 } 5691 } else { 5692 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5693 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5694 net->dest_state |= SCTP_ADDR_PF; 5695 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5696 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5697 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5698 } 5699 } 5700 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5701 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5702 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5703 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5704 } 5705 } else { 5706 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5707 net->dest_state |= SCTP_ADDR_REACHABLE; 5708 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5709 } 5710 } 5711 net->failure_threshold = thlds->spt_pathmaxrxt; 5712 net->pf_threshold = thlds->spt_pathpfthld; 5713 } 5714 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5715 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5716 } 5717 } else { 5718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5720 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5721 SCTP_INP_WLOCK(inp); 5722 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5723 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5724 SCTP_INP_WUNLOCK(inp); 5725 } else { 5726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5727 error = EINVAL; 5728 } 5729 } 5730 break; 5731 } 5732 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5733 { 5734 struct sctp_udpencaps *encaps; 5735 struct sctp_nets *net; 5736 5737 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5738 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5739 if (stcb) { 5740 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5741 } else { 5742 /* 5743 * We increment here since 5744 * sctp_findassociation_ep_addr() wil do a 5745 * decrement if it finds the stcb as long as 5746 * the locked tcb (last argument) is NOT a 5747 * TCB.. aka NULL. 5748 */ 5749 net = NULL; 5750 SCTP_INP_INCR_REF(inp); 5751 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5752 if (stcb == NULL) { 5753 SCTP_INP_DECR_REF(inp); 5754 } 5755 } 5756 if (stcb && (net == NULL)) { 5757 struct sockaddr *sa; 5758 5759 sa = (struct sockaddr *)&encaps->sue_address; 5760 #ifdef INET 5761 if (sa->sa_family == AF_INET) { 5762 5763 struct sockaddr_in *sin; 5764 5765 sin = (struct sockaddr_in *)sa; 5766 if (sin->sin_addr.s_addr) { 5767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5768 SCTP_TCB_UNLOCK(stcb); 5769 error = EINVAL; 5770 break; 5771 } 5772 } else 5773 #endif 5774 #ifdef INET6 5775 if (sa->sa_family == AF_INET6) { 5776 struct sockaddr_in6 *sin6; 5777 5778 sin6 = (struct sockaddr_in6 *)sa; 5779 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5781 SCTP_TCB_UNLOCK(stcb); 5782 error = EINVAL; 5783 break; 5784 } 5785 } else 5786 #endif 5787 { 5788 error = EAFNOSUPPORT; 5789 SCTP_TCB_UNLOCK(stcb); 5790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5791 break; 5792 } 5793 } 5794 if (stcb) { 5795 if (net) { 5796 net->port = encaps->sue_port; 5797 } else { 5798 stcb->asoc.port = encaps->sue_port; 5799 } 5800 SCTP_TCB_UNLOCK(stcb); 5801 } else { 5802 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5803 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5804 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5805 SCTP_INP_WLOCK(inp); 5806 inp->sctp_ep.port = encaps->sue_port; 5807 SCTP_INP_WUNLOCK(inp); 5808 } else { 5809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5810 error = EINVAL; 5811 } 5812 } 5813 break; 5814 } 5815 default: 5816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5817 error = ENOPROTOOPT; 5818 break; 5819 } /* end switch (opt) */ 5820 return (error); 5821 } 5822 5823 int 5824 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5825 { 5826 void *optval = NULL; 5827 size_t optsize = 0; 5828 void *p; 5829 int error = 0; 5830 5831 if (sopt->sopt_level != IPPROTO_SCTP) { 5832 /* wrong proto level... send back up to IP */ 5833 #ifdef INET6 5834 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5835 error = ip6_ctloutput(so, sopt); 5836 #endif /* INET6 */ 5837 #if defined(INET) && defined(INET6) 5838 else 5839 #endif 5840 #ifdef INET 5841 error = ip_ctloutput(so, sopt); 5842 #endif 5843 return (error); 5844 } 5845 optsize = sopt->sopt_valsize; 5846 if (optsize) { 5847 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5848 if (optval == NULL) { 5849 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5850 return (ENOBUFS); 5851 } 5852 error = sooptcopyin(sopt, optval, optsize, optsize); 5853 if (error) { 5854 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5855 goto out; 5856 } 5857 } 5858 p = (void *)sopt->sopt_td; 5859 if (sopt->sopt_dir == SOPT_SET) { 5860 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5861 } else if (sopt->sopt_dir == SOPT_GET) { 5862 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5863 } else { 5864 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5865 error = EINVAL; 5866 } 5867 if ((error == 0) && (optval != NULL)) { 5868 error = sooptcopyout(sopt, optval, optsize); 5869 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5870 } else if (optval != NULL) { 5871 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5872 } 5873 out: 5874 return (error); 5875 } 5876 5877 #ifdef INET 5878 static int 5879 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5880 { 5881 int error = 0; 5882 int create_lock_on = 0; 5883 uint32_t vrf_id; 5884 struct sctp_inpcb *inp; 5885 struct sctp_tcb *stcb = NULL; 5886 5887 inp = (struct sctp_inpcb *)so->so_pcb; 5888 if (inp == NULL) { 5889 /* I made the same as TCP since we are not setup? */ 5890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5891 return (ECONNRESET); 5892 } 5893 if (addr == NULL) { 5894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5895 return EINVAL; 5896 } 5897 switch (addr->sa_family) { 5898 #ifdef INET6 5899 case AF_INET6: 5900 { 5901 struct sockaddr_in6 *sin6p; 5902 5903 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5905 return (EINVAL); 5906 } 5907 sin6p = (struct sockaddr_in6 *)addr; 5908 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5910 return (error); 5911 } 5912 break; 5913 } 5914 #endif 5915 #ifdef INET 5916 case AF_INET: 5917 { 5918 struct sockaddr_in *sinp; 5919 5920 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5922 return (EINVAL); 5923 } 5924 sinp = (struct sockaddr_in *)addr; 5925 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5927 return (error); 5928 } 5929 break; 5930 } 5931 #endif 5932 default: 5933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5934 return (EAFNOSUPPORT); 5935 } 5936 SCTP_INP_INCR_REF(inp); 5937 SCTP_ASOC_CREATE_LOCK(inp); 5938 create_lock_on = 1; 5939 5940 5941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5942 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5943 /* Should I really unlock ? */ 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5945 error = EFAULT; 5946 goto out_now; 5947 } 5948 #ifdef INET6 5949 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5950 (addr->sa_family == AF_INET6)) { 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5952 error = EINVAL; 5953 goto out_now; 5954 } 5955 #endif 5956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5957 SCTP_PCB_FLAGS_UNBOUND) { 5958 /* Bind a ephemeral port */ 5959 error = sctp_inpcb_bind(so, NULL, NULL, p); 5960 if (error) { 5961 goto out_now; 5962 } 5963 } 5964 /* Now do we connect? */ 5965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5966 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5968 error = EINVAL; 5969 goto out_now; 5970 } 5971 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5972 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5973 /* We are already connected AND the TCP model */ 5974 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5975 error = EADDRINUSE; 5976 goto out_now; 5977 } 5978 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5979 SCTP_INP_RLOCK(inp); 5980 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5981 SCTP_INP_RUNLOCK(inp); 5982 } else { 5983 /* 5984 * We increment here since sctp_findassociation_ep_addr() 5985 * will do a decrement if it finds the stcb as long as the 5986 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5987 */ 5988 SCTP_INP_INCR_REF(inp); 5989 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5990 if (stcb == NULL) { 5991 SCTP_INP_DECR_REF(inp); 5992 } else { 5993 SCTP_TCB_UNLOCK(stcb); 5994 } 5995 } 5996 if (stcb != NULL) { 5997 /* Already have or am bring up an association */ 5998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5999 error = EALREADY; 6000 goto out_now; 6001 } 6002 vrf_id = inp->def_vrf_id; 6003 /* We are GOOD to go */ 6004 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6005 if (stcb == NULL) { 6006 /* Gak! no memory */ 6007 goto out_now; 6008 } 6009 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6010 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6011 /* Set the connected flag so we can queue data */ 6012 soisconnecting(so); 6013 } 6014 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6015 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6016 6017 /* initialize authentication parameters for the assoc */ 6018 sctp_initialize_auth_params(inp, stcb); 6019 6020 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6021 SCTP_TCB_UNLOCK(stcb); 6022 out_now: 6023 if (create_lock_on) { 6024 SCTP_ASOC_CREATE_UNLOCK(inp); 6025 } 6026 SCTP_INP_DECR_REF(inp); 6027 return (error); 6028 } 6029 6030 #endif 6031 6032 int 6033 sctp_listen(struct socket *so, int backlog, struct thread *p) 6034 { 6035 /* 6036 * Note this module depends on the protocol processing being called 6037 * AFTER any socket level flags and backlog are applied to the 6038 * socket. The traditional way that the socket flags are applied is 6039 * AFTER protocol processing. We have made a change to the 6040 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6041 * place if the socket API for SCTP is to work properly. 6042 */ 6043 6044 int error = 0; 6045 struct sctp_inpcb *inp; 6046 6047 inp = (struct sctp_inpcb *)so->so_pcb; 6048 if (inp == NULL) { 6049 /* I made the same as TCP since we are not setup? */ 6050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6051 return (ECONNRESET); 6052 } 6053 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6054 /* See if we have a listener */ 6055 struct sctp_inpcb *tinp; 6056 union sctp_sockstore store, *sp; 6057 6058 sp = &store; 6059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6060 /* not bound all */ 6061 struct sctp_laddr *laddr; 6062 6063 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6064 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6065 switch (sp->sa.sa_family) { 6066 #ifdef INET 6067 case AF_INET: 6068 sp->sin.sin_port = inp->sctp_lport; 6069 break; 6070 #endif 6071 #ifdef INET6 6072 case AF_INET6: 6073 sp->sin6.sin6_port = inp->sctp_lport; 6074 break; 6075 #endif 6076 default: 6077 break; 6078 } 6079 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6080 if (tinp && (tinp != inp) && 6081 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6082 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6083 (tinp->sctp_socket->so_qlimit)) { 6084 /* 6085 * we have a listener already and 6086 * its not this inp. 6087 */ 6088 SCTP_INP_DECR_REF(tinp); 6089 return (EADDRINUSE); 6090 } else if (tinp) { 6091 SCTP_INP_DECR_REF(tinp); 6092 } 6093 } 6094 } else { 6095 /* Setup a local addr bound all */ 6096 memset(&store, 0, sizeof(store)); 6097 switch (sp->sa.sa_family) { 6098 #ifdef INET 6099 case AF_INET: 6100 store.sin.sin_port = inp->sctp_lport; 6101 break; 6102 #endif 6103 #ifdef INET6 6104 case AF_INET6: 6105 sp->sin6.sin6_port = inp->sctp_lport; 6106 break; 6107 #endif 6108 default: 6109 break; 6110 } 6111 #ifdef INET6 6112 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6113 store.sa.sa_family = AF_INET6; 6114 store.sa.sa_len = sizeof(struct sockaddr_in6); 6115 } 6116 #endif 6117 #ifdef INET 6118 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6119 store.sa.sa_family = AF_INET; 6120 store.sa.sa_len = sizeof(struct sockaddr_in); 6121 } 6122 #endif 6123 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6124 if (tinp && (tinp != inp) && 6125 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6126 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6127 (tinp->sctp_socket->so_qlimit)) { 6128 /* 6129 * we have a listener already and its not 6130 * this inp. 6131 */ 6132 SCTP_INP_DECR_REF(tinp); 6133 return (EADDRINUSE); 6134 } else if (tinp) { 6135 SCTP_INP_DECR_REF(inp); 6136 } 6137 } 6138 } 6139 SCTP_INP_RLOCK(inp); 6140 #ifdef SCTP_LOCK_LOGGING 6141 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6142 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6143 } 6144 #endif 6145 SOCK_LOCK(so); 6146 error = solisten_proto_check(so); 6147 if (error) { 6148 SOCK_UNLOCK(so); 6149 SCTP_INP_RUNLOCK(inp); 6150 return (error); 6151 } 6152 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6153 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6154 /* 6155 * The unlucky case - We are in the tcp pool with this guy. 6156 * - Someone else is in the main inp slot. - We must move 6157 * this guy (the listener) to the main slot - We must then 6158 * move the guy that was listener to the TCP Pool. 6159 */ 6160 if (sctp_swap_inpcb_for_listen(inp)) { 6161 goto in_use; 6162 } 6163 } 6164 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6165 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6166 /* We are already connected AND the TCP model */ 6167 in_use: 6168 SCTP_INP_RUNLOCK(inp); 6169 SOCK_UNLOCK(so); 6170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6171 return (EADDRINUSE); 6172 } 6173 SCTP_INP_RUNLOCK(inp); 6174 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6175 /* We must do a bind. */ 6176 SOCK_UNLOCK(so); 6177 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6178 /* bind error, probably perm */ 6179 return (error); 6180 } 6181 SOCK_LOCK(so); 6182 } 6183 /* It appears for 7.0 and on, we must always call this. */ 6184 solisten_proto(so, backlog); 6185 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6186 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6187 so->so_options &= ~SO_ACCEPTCONN; 6188 } 6189 if (backlog == 0) { 6190 /* turning off listen */ 6191 so->so_options &= ~SO_ACCEPTCONN; 6192 } 6193 SOCK_UNLOCK(so); 6194 return (error); 6195 } 6196 6197 static int sctp_defered_wakeup_cnt = 0; 6198 6199 int 6200 sctp_accept(struct socket *so, struct sockaddr **addr) 6201 { 6202 struct sctp_tcb *stcb; 6203 struct sctp_inpcb *inp; 6204 union sctp_sockstore store; 6205 6206 #ifdef INET6 6207 int error; 6208 6209 #endif 6210 inp = (struct sctp_inpcb *)so->so_pcb; 6211 6212 if (inp == NULL) { 6213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6214 return (ECONNRESET); 6215 } 6216 SCTP_INP_RLOCK(inp); 6217 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6218 SCTP_INP_RUNLOCK(inp); 6219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6220 return (EOPNOTSUPP); 6221 } 6222 if (so->so_state & SS_ISDISCONNECTED) { 6223 SCTP_INP_RUNLOCK(inp); 6224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6225 return (ECONNABORTED); 6226 } 6227 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6228 if (stcb == NULL) { 6229 SCTP_INP_RUNLOCK(inp); 6230 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6231 return (ECONNRESET); 6232 } 6233 SCTP_TCB_LOCK(stcb); 6234 SCTP_INP_RUNLOCK(inp); 6235 store = stcb->asoc.primary_destination->ro._l_addr; 6236 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6237 SCTP_TCB_UNLOCK(stcb); 6238 switch (store.sa.sa_family) { 6239 #ifdef INET 6240 case AF_INET: 6241 { 6242 struct sockaddr_in *sin; 6243 6244 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6245 if (sin == NULL) 6246 return (ENOMEM); 6247 sin->sin_family = AF_INET; 6248 sin->sin_len = sizeof(*sin); 6249 sin->sin_port = store.sin.sin_port; 6250 sin->sin_addr = store.sin.sin_addr; 6251 *addr = (struct sockaddr *)sin; 6252 break; 6253 } 6254 #endif 6255 #ifdef INET6 6256 case AF_INET6: 6257 { 6258 struct sockaddr_in6 *sin6; 6259 6260 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6261 if (sin6 == NULL) 6262 return (ENOMEM); 6263 sin6->sin6_family = AF_INET6; 6264 sin6->sin6_len = sizeof(*sin6); 6265 sin6->sin6_port = store.sin6.sin6_port; 6266 sin6->sin6_addr = store.sin6.sin6_addr; 6267 if ((error = sa6_recoverscope(sin6)) != 0) { 6268 SCTP_FREE_SONAME(sin6); 6269 return (error); 6270 } 6271 *addr = (struct sockaddr *)sin6; 6272 break; 6273 } 6274 #endif 6275 default: 6276 /* TSNH */ 6277 break; 6278 } 6279 /* Wake any delayed sleep action */ 6280 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6281 SCTP_INP_WLOCK(inp); 6282 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6283 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6284 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6285 SCTP_INP_WUNLOCK(inp); 6286 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6287 if (sowriteable(inp->sctp_socket)) { 6288 sowwakeup_locked(inp->sctp_socket); 6289 } else { 6290 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6291 } 6292 SCTP_INP_WLOCK(inp); 6293 } 6294 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6295 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6296 SCTP_INP_WUNLOCK(inp); 6297 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6298 if (soreadable(inp->sctp_socket)) { 6299 sctp_defered_wakeup_cnt++; 6300 sorwakeup_locked(inp->sctp_socket); 6301 } else { 6302 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6303 } 6304 SCTP_INP_WLOCK(inp); 6305 } 6306 SCTP_INP_WUNLOCK(inp); 6307 } 6308 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6309 SCTP_TCB_LOCK(stcb); 6310 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6311 } 6312 return (0); 6313 } 6314 6315 #ifdef INET 6316 int 6317 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6318 { 6319 struct sockaddr_in *sin; 6320 uint32_t vrf_id; 6321 struct sctp_inpcb *inp; 6322 struct sctp_ifa *sctp_ifa; 6323 6324 /* 6325 * Do the malloc first in case it blocks. 6326 */ 6327 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6328 if (sin == NULL) 6329 return (ENOMEM); 6330 sin->sin_family = AF_INET; 6331 sin->sin_len = sizeof(*sin); 6332 inp = (struct sctp_inpcb *)so->so_pcb; 6333 if (!inp) { 6334 SCTP_FREE_SONAME(sin); 6335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6336 return (ECONNRESET); 6337 } 6338 SCTP_INP_RLOCK(inp); 6339 sin->sin_port = inp->sctp_lport; 6340 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6341 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6342 struct sctp_tcb *stcb; 6343 struct sockaddr_in *sin_a; 6344 struct sctp_nets *net; 6345 int fnd; 6346 6347 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6348 if (stcb == NULL) { 6349 goto notConn; 6350 } 6351 fnd = 0; 6352 sin_a = NULL; 6353 SCTP_TCB_LOCK(stcb); 6354 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6355 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6356 if (sin_a == NULL) 6357 /* this will make coverity happy */ 6358 continue; 6359 6360 if (sin_a->sin_family == AF_INET) { 6361 fnd = 1; 6362 break; 6363 } 6364 } 6365 if ((!fnd) || (sin_a == NULL)) { 6366 /* punt */ 6367 SCTP_TCB_UNLOCK(stcb); 6368 goto notConn; 6369 } 6370 vrf_id = inp->def_vrf_id; 6371 sctp_ifa = sctp_source_address_selection(inp, 6372 stcb, 6373 (sctp_route_t *) & net->ro, 6374 net, 0, vrf_id); 6375 if (sctp_ifa) { 6376 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6377 sctp_free_ifa(sctp_ifa); 6378 } 6379 SCTP_TCB_UNLOCK(stcb); 6380 } else { 6381 /* For the bound all case you get back 0 */ 6382 notConn: 6383 sin->sin_addr.s_addr = 0; 6384 } 6385 6386 } else { 6387 /* Take the first IPv4 address in the list */ 6388 struct sctp_laddr *laddr; 6389 int fnd = 0; 6390 6391 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6392 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6393 struct sockaddr_in *sin_a; 6394 6395 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6396 sin->sin_addr = sin_a->sin_addr; 6397 fnd = 1; 6398 break; 6399 } 6400 } 6401 if (!fnd) { 6402 SCTP_FREE_SONAME(sin); 6403 SCTP_INP_RUNLOCK(inp); 6404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6405 return (ENOENT); 6406 } 6407 } 6408 SCTP_INP_RUNLOCK(inp); 6409 (*addr) = (struct sockaddr *)sin; 6410 return (0); 6411 } 6412 6413 int 6414 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6415 { 6416 struct sockaddr_in *sin; 6417 int fnd; 6418 struct sockaddr_in *sin_a; 6419 struct sctp_inpcb *inp; 6420 struct sctp_tcb *stcb; 6421 struct sctp_nets *net; 6422 6423 /* Do the malloc first in case it blocks. */ 6424 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6425 if (sin == NULL) 6426 return (ENOMEM); 6427 sin->sin_family = AF_INET; 6428 sin->sin_len = sizeof(*sin); 6429 6430 inp = (struct sctp_inpcb *)so->so_pcb; 6431 if ((inp == NULL) || 6432 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6433 /* UDP type and listeners will drop out here */ 6434 SCTP_FREE_SONAME(sin); 6435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6436 return (ENOTCONN); 6437 } 6438 SCTP_INP_RLOCK(inp); 6439 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6440 if (stcb) { 6441 SCTP_TCB_LOCK(stcb); 6442 } 6443 SCTP_INP_RUNLOCK(inp); 6444 if (stcb == NULL) { 6445 SCTP_FREE_SONAME(sin); 6446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6447 return (ECONNRESET); 6448 } 6449 fnd = 0; 6450 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6451 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6452 if (sin_a->sin_family == AF_INET) { 6453 fnd = 1; 6454 sin->sin_port = stcb->rport; 6455 sin->sin_addr = sin_a->sin_addr; 6456 break; 6457 } 6458 } 6459 SCTP_TCB_UNLOCK(stcb); 6460 if (!fnd) { 6461 /* No IPv4 address */ 6462 SCTP_FREE_SONAME(sin); 6463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6464 return (ENOENT); 6465 } 6466 (*addr) = (struct sockaddr *)sin; 6467 return (0); 6468 } 6469 6470 struct pr_usrreqs sctp_usrreqs = { 6471 .pru_abort = sctp_abort, 6472 .pru_accept = sctp_accept, 6473 .pru_attach = sctp_attach, 6474 .pru_bind = sctp_bind, 6475 .pru_connect = sctp_connect, 6476 .pru_control = in_control, 6477 .pru_close = sctp_close, 6478 .pru_detach = sctp_close, 6479 .pru_sopoll = sopoll_generic, 6480 .pru_flush = sctp_flush, 6481 .pru_disconnect = sctp_disconnect, 6482 .pru_listen = sctp_listen, 6483 .pru_peeraddr = sctp_peeraddr, 6484 .pru_send = sctp_sendm, 6485 .pru_shutdown = sctp_shutdown, 6486 .pru_sockaddr = sctp_ingetaddr, 6487 .pru_sosend = sctp_sosend, 6488 .pru_soreceive = sctp_soreceive 6489 }; 6490 6491 #endif 6492